Researching the roots of IEEE Region 8

NARCIS (Netherlands)

Bastiaans, M.J.

2013-01-01

This paper describes the preliminary steps towards the foundation and the early history of IRE Region 9 / IEEE Region 8. The information has been gathered mainly from the archives of the IEEE Benelux Section.

A Quality Approach to Writing Assessment.

Science.gov (United States)

Andrade, Joanne; Ryley, Helen

1992-01-01

A Colorado elementary school began its Total Quality Management work about a year ago after several staff members participated in an IBM Leadership Training Program addressing applications of Deming's theories. The school's new writing assessment has increased collegiality and cross-grade collaboration. (MLH)

Extending Service Area of IEEE 802.11 Ad Hoc Networks

Science.gov (United States)

Choi, Woo-Yong

2012-06-01

According to the current IEEE 802.11 wireless LAN standards, IEEE 802.11 ad hoc networks have the limitation that all STAs (Stations) are in the one-hop transmission range of each other. In this paper, to alleviate the limitation of IEEE 802.11 ad hoc networks we propose the efficient method for selecting the most appropriate pseudo AP (Access Point) from among the set of ad hoc STAs and extending the service area of IEEE 802.11 ad hoc networks by the pseudo AP's relaying the internal traffic of IEEE 802.11 ad hoc networks. Numerical examples show that the proposed method significantly extends the service area of IEEE 802.11 ad hoc networks.

IEEE C37.82-1987: IEEE standard for the qualification of switchgear assemblies for Class 1E applications in nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1992-01-01

This document describes the methods and requirements for qualifying switchgear assemblies for indoor areas outside of the containment in nuclear power generating stations. These assemblies include (1) metal-enclosed low-voltage power circuit breaker switchgear assemblies, as defined in ANSI/IEEE C37.20.1-1987, (2) metal-clad switchgear assemblies, as defined in ANSI/IEEE C37.20.2-1987, (3) metal-enclosed bus, as defined in ANSI/IEEE C37.23-1987, and (4) metal-enclosed interrupter switchgear assemblies, as defined in ANSI/IEEE C37.20.3-1987. The purpose of this document is to provide amplification of the general requirements of ANSI/IEEE Std 323-1983 as they apply to the specific features of Class 1E switchgear assemblies. Where differences exist between this document and ANSI/IEEE Std 323-1983, this document takes precedence insofar as switchgear assemblies are concerned

Writing Across the Curriculum -- An Online Course in Computer Security

OpenAIRE

Neelu Sinha

2006-01-01

Writing fosters both critical thinking and student learning, serving as one of the most effective ways to understand a topic. Writing across the Curriculum (WAC) began in the late 1970’s, as a pedagogical reform movement in response to a perceived deficiency in literacy among college students. Over the past two decades universities have worked to broaden the scope of student writing from composition classes to classes in the students’ major. This paper chronicles the application of WAC into t...

Fiber optics backbone for IEEE 802.3 networks

Science.gov (United States)

Shani, Ron

1990-01-01

In the last few years the IEEE 802.3 committee has developed fiber optics inter-repeater link standard called FOIRL. This standard defines the "Fiber Optics Media Access Unit" (FOMAU) which is used to connect two IEEE 802.3 repeaters that are up to 1Km apart. The IEEE 802.3 lOBaseF task force is currently standardizing a full F/O system in two directions: passive and active. The active approach is a compromise between the FOIRL (Asynchronous) approach and the Synchronous approach. As a result of this activity the IEEE 802.3 standard will define three different F/O interfaces and several devices that will not inter-operate. Such a standard will lower the credibility among the IEEE 802.3 user community, as customers will be confused amidst the many chapters and devices with no clear choice. This paper describes a method that can reduce the number of standards to two (passive and active), while proposing a solution for all the requirements of 802.3 F/O LAN. (The question of passive vs active approach will be discussed in this paper).

The scalable coherent interface, IEEE P1596

International Nuclear Information System (INIS)

Gustavson, D.B.

1990-01-01

IEEE P1596, the scalable coherent interface (formerly known as SuperBus) is based on experience gained while developing Fastbus (ANSI/IEEE 960--1986, IEC 935), Futurebus (IEEE P896.x) and other modern 32-bit buses. SCI goals include a minimum bandwidth of 1 GByte/sec per processor in multiprocessor systems with thousands of processors; efficient support of a coherent distributed-cache image of distributed shared memory; support for repeaters which interface to existing or future buses; and support for inexpensive small rings as well as for general switched interconnections like Banyan, Omega, or crossbar networks. This paper presents a summary of current directions, reports the status of the work in progress, and suggests some applications in data acquisition and physics

Proceedings of IEEE Machine Learning for Signal Processing Workshop XV

DEFF Research Database (Denmark)

Larsen, Jan

These proceedings contains refereed papers presented at the Fifteenth IEEE Workshop on Machine Learning for Signal Processing (MLSP’2005), held in Mystic, Connecticut, USA, September 28-30, 2005. This is a continuation of the IEEE Workshops on Neural Networks for Signal Processing (NNSP) organized...... by the NNSP Technical Committee of the IEEE Signal Processing Society. The name of the Technical Committee, hence of the Workshop, was changed to Machine Learning for Signal Processing in September 2003 to better reflect the areas represented by the Technical Committee. The conference is organized...... by the Machine Learning for Signal Processing Technical Committee with sponsorship of the IEEE Signal Processing Society. Following the practice started two years ago, the bound volume of the proceedings is going to be published by IEEE following the Workshop, and we are pleased to offer to conference attendees...

Qualification test of Class 1E equipment based on IEEE323 Std 2003

International Nuclear Information System (INIS)

Kim, J. S.; Jung, S. C.; Kim, T. R.

2004-01-01

IEEE Standard for Qualifying Class 1E Equipment has been updated to 2003 edition since the issue of IEEE Std 323-1971, 1974, 1983. NRC approved the IEEE Std 323-1974 as Qualification standard of Class 1E Equipment in domestic nuclear power plant. IEEE Std 323-2003 was issued in September of 2003 and utility is waiting the approval of NRC. IEEE Std 323-2003 suggest a new qualification technique which adopts the condition monitoring. Performance of two transient during DBA test is no longer recommended in IEEE Std 323-2003. IEEE323 Std 2003 included a chapter of ''extension of Qualified life'' to make available the life extension of components during plant life extension. For the efficient control of preserving EQ in domestic nuclear power plant, IEEE323 Std 2003 is strongly recommended

(Re)membering Basic Writing at a Public Ivy: History for Institutional Redesign

Science.gov (United States)

Tassoni, John Paul

2006-01-01

This essay offers a history of a basic writing course that began at a public ivy campus in the 1970s. Relying on principles of universal design and on insights derived from his school's studio program about ways the institution's selective functions can impact curricular matters, the author describes how the basic writing course was merely…

IEEE Prize for Lucio Rossi

CERN Multimedia

IEEE Council on Superconductivity

2007-01-01

Lucio Rossi receives his prize from John Spargo, Chairman of the IEEE Council on Superconductivity (left), and Martin Nisenoff, Chairman of the Council on Superconductivity's Awards Committee (right).

IEEE 802.11ah: A Technology to Face the IoT Challenge.

Science.gov (United States)

Baños-Gonzalez, Victor; Afaqui, M Shahwaiz; Lopez-Aguilera, Elena; Garcia-Villegas, Eduard

2016-11-22

Since the conception of the Internet of things (IoT), a large number of promising applications and technologies have been developed, which will change different aspects in our daily life. This paper explores the key characteristics of the forthcoming IEEE 802.11ah specification. This future IEEE 802.11 standard aims to amend the IEEE 802.11 legacy specification to support IoT requirements. We present a thorough evaluation of the foregoing amendment in comparison to the most notable IEEE 802.11 standards. In addition, we expose the capabilities of future IEEE 802.11ah in supporting different IoT applications. Also, we provide a brief overview of the technology contenders that are competing to cover the IoT communications framework. Numerical results are presented showing how the future IEEE 802.11ah specification offers the features required by IoT communications, thus putting forward IEEE 802.11ah as a technology to cater the needs of the Internet of Things paradigm.

Proceedings IEEE Visualization Conference and IEEE Information Visualization Conference (VIS'07 and INFOVIS'07, Sacramento CA, USA, October 28-November 1, 2007)

NARCIS (Netherlands)

Chen, M.; Hansen, C.; North, C.; Pang, A.; Wijk, van J.J.

2007-01-01

These are the proceedings of the IEEE Visualization Conference 2007 (Vis 2007) and the IEEE Information Visualization Conference 2007 (InfoVis 2007) held during October 28 to November 1, 2007 in Sacramento, California. The power of using computing technology to create useful, effective imagery for

Performance Analysis of IEEE 802.11e (EDCF) and IEEE 802.11(DCF) WLAN Incorporating Different Physical Layer Standards

Science.gov (United States)

Sharma, V.; Singh, H.; Malhotra, J.

2012-12-01

Medium access coordination function basically implements the distributed coordination function (DCF) which provides support to best effort services but limited to QoS services. Subsequently, a new standard, namely enhanced distributed channel access (EDCA) is reported. The IEEE 802.11e (EDCA) defines MAC procedures to support QoS requirements which specifies distributed contention based access scheme to access the shared wireless media. This paper evaluates the performance of EDCA based IEEE 802.11 WLAN for various access categories (ACs) using OPNET™ Modeller 14.5. Further, the computed results are compared with DCF protocols in terms of QoS parameters. Furthermore, the simulative observation is reported at data rate of 54 Mbps using different physical layer protocols such as IEEE 802.11a/b/g to stumble on the best one to be implemented with EDCF to achieve improved QoS.

Writing and Publishing: The Ultimate Teen Guide. It Happened to Me #27

Science.gov (United States)

Schwartz, Tina P.

2010-01-01

Edgar Allen Poe, Langston Hughes, Louisa May Alcott, and Stephen King are just a handful of famous authors who began their publishing careers in their teens. Many young adults would like to write and publish but few know where to begin. While there are many books on how to write and how to get published, none are written specifically for teens.…

"Reading to Write" in East Asian Studies

Science.gov (United States)

Freedman, Leora

2013-01-01

A reading-writing initiative began in 2011-12 at the University of Toronto as a partnership between an East Asian Studies (EAS) department and an English Language Learning (ELL) Program. In this institution, students are expected to enter into scholarly discussions in their first year essays, yet many (both native English speakers and non-native…

CERN receives prestigious Milestone recognition from IEEE

CERN Multimedia

2005-01-01

The Nobel prize winner Georges Charpak and W. Cleon Anderson, IEEE President, unveil the Milestone bronze plaques. At a ceremony on 26 September at the Globe of Science and Innovation, Mr W. Cleon Anderson, President of the Institute of Electrical and Electronics Engineers (IEEE) formally dedicated Milestone plaques recognising the invention of electronic particle detectors at CERN. The plaque were unveiled by Mr Anderson and Georges Charpak, the Nobel-prize winning inventor of wire chamber technology at CERN in 1968. The IEEE is the world's largest professional association dedicated to the advancement of technology with 365,000 individual members in over 150 countries. Established in 1983, there are currently over 60 Milestones around the world. They honour momentous achievements in the history of electrical and electronics engineering, such as the landing of the first transatlantic cable, code breaking at Bletchley Park during World War II, and the development of the Japanese Bullet train, the Tokaido Shin...

IEEE Std 535-1986: IEEE standard for qualification of Class 1E lead storage batteries for nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1992-01-01

This document describes qualification methods for Class 1E lead storage batteries and racks to be used in nuclear power generating stations outside of primary containment. Qualification required in ANSI/IEEE Std 308-1980 can be demonstrated by using the procedures provided in this standard in accordance with ANSI/IEEE Std 323-1983. Battery sizing, maintenance, capacity testing, installation, charging equipment, and consideration of other type batteries are beyond the scope of this standard

IEEE Std 535-1979: IEEE standard for qualification of Class 1E lead storage batteries for nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1992-01-01

This document describes qualification methods for Class 1E lead storage batteries and racks to be used in nuclear power generating stations outside of primary containment. Qualification required in ANSI/IEEE Std 279-1971 and IEE Std 308-1978, can be demonstrated by using the procedures provided in this standard in accordance with IEEE Std 323-1974. Battery sizing, maintenance, capacity testing, installation, charging equipment and consideration of other type batteries are beyond the scope of this standard

IEEE Prize for Lucio Rossi

CERN Multimedia

2007-01-01

Lucio Rossi receives his prize from John Spargo, Chairman of the IEEE Council on Superconductivity (left), and Martin Nisenoff, Chairman of the Council on Superconductivity’s Awards Committee (right). (Photo: IEEE Council on Superconductivity)With the magnets installed in the tunnel and work on the interconnections almost completed, Lucio Rossi has reaped the rewards of fifteen years of work. And yet, when the physicist from Milan arrived to take charge of the group responsible for the superconducting magnets in 2001, success seemed far from assured. Endowed with surprising levels of energy, Lucio Rossi, together with his team, ensured that production of these highly complex magnets got underway. Today, that achievement earns them the recognition not only of CERN but also of the international superconducting community. It is for this achievement that Lucio Rossi was awarded the prize by the IEEE’s (Institute of Electrical an...

IEEE Conference Publications in Libraries.

Science.gov (United States)

Johnson, Karl E.

1984-01-01

Conclusions of surveys (63 libraries, OCLC database, University of Rhode Island users) assessing handling of Institute of Electrical and Electronics Engineers (IEEE) conference publications indicate that most libraries fully catalog these publications using LC cataloging, and library patrons frequently require series access to publications. Eight…

IEEE International Workshop on Machine Learning for Signal Processing: Preface

DEFF Research Database (Denmark)

Tao, Jianhua

The 21st IEEE International Workshop on Machine Learning for Signal Processing will be held in Beijing, China, on September 18–21, 2011. The workshop series is the major annual technical event of the IEEE Signal Processing Society's Technical Committee on Machine Learning for Signal Processing...

IEEE guide for the analysis of human reliability

International Nuclear Information System (INIS)

Dougherty, E.M. Jr.

1987-01-01

The Institute of Electrical and Electronics Engineers (IEEE) working group 7.4 of the Human Factors and Control Facilities Subcommittee of the Nuclear Power Engineering Committee (NPEC) has released its fifth draft of a Guide for General Principles of Human Action Reliability Analysis for Nuclear Power Generating Stations, for approval of NPEC. A guide is the least mandating in the IEEE hierarchy of standards. The purpose is to enhance the performance of an human reliability analysis (HRA) as a part of a probabilistic risk assessment (PRA), to assure reproducible results, and to standardize documentation. The guide does not recommend or even discuss specific techniques, which are too rapidly evolving today. Considerable maturation in the analysis of human reliability in a PRA context has taken place in recent years. The IEEE guide on this subject is an initial step toward bringing HRA out of the research and development arena into the toolbox of standard engineering practices

Implicit Block ACK Scheme for IEEE 802.11 WLANs

Science.gov (United States)

Sthapit, Pranesh; Pyun, Jae-Young

2016-01-01

The throughput of IEEE 802.11 standard is significantly bounded by the associated Medium Access Control (MAC) overhead. Because of the overhead, an upper limit exists for throughput, which is bounded, including situations where data rates are extremely high. Therefore, an overhead reduction is necessary to achieve higher throughput. The IEEE 802.11e amendment introduced the block ACK mechanism, to reduce the number of control messages in MAC. Although the block ACK scheme greatly reduces overhead, further improvements are possible. In this letter, we propose an implicit block ACK method that further reduces the overhead associated with IEEE 802.11e’s block ACK scheme. The mathematical analysis results are presented for both the original protocol and the proposed scheme. A performance improvement of greater than 10% was achieved with the proposed implementation.

IEEE Std 650-1990: IEEE standard for qualification of Class 1E static battery chargers and inverters for nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1992-01-01

Methods for qualifying static battery chargers and inverters for Class 1E installations in a mild environment outside containment in nuclear power generating stations are described. The qualification methods set forth employ a combination of type testing and analysis, the latter including a justification of methods, theories, and assumptions used. These procedures meet the requirements of IEEE Std 323-1983, IEEE Standard for Qualifying Class 1E Equipment for Nuclear Power Generating Stations

IEEE prize awarded to CERN PhD student

CERN Multimedia

2006-01-01

Rafael Ballabriga Suñe is the recipient of the 2006 Institute of Electrical and Electronics Engineers, Inc. (IEEE) Nuclear and Plasma Sciences Society (NPSS)'s Student Paper Award. Ballabriga's winning paper reported on a prototype chip, which belongs to a new generation of single photon counting hybrid pixel detector readout chips - Medipix3. The award was presented by the deputy programme chair Vince Cianciolo (left) at the IEEE Nuclear Science Symposium held in San Diego on 29 October to 4 November.

'The Loss of My Elderly Patient:' Interactive reflective writing to support medical students' rites of passage.

Science.gov (United States)

Wald, Hedy S; Reis, Shmuel P; Monroe, Alicia D; Borkan, Jeffrey M

2010-01-01

The fostering of reflective capacity within medical education helps develop critical thinking and clinical reasoning skills and enhances professionalism. Use of reflective narratives to augment reflective practice instruction is well documented. At Warren Alpert Medical School of Brown University (Alpert Med), a narrative medicine curriculum innovation of students' reflective writing (field notes) with individualized feedback from an interdisciplinary faculty team (in pre-clinical years) has been implemented in a Doctoring course to cultivate reflective capacity, empathy, and humanism. Interactive reflective writing (student writer/faculty feedback provider dyad), we propose, can additionally support students with rites of passage at critical educational junctures. At Alpert Med, we have devised a tool to guide faculty in crafting quality feedback, i.e. the Brown Educational Guide to Analysis of Narrative (BEGAN) which includes identifying students' salient quotes, utilizing reflection-inviting questions and close reading, highlighting derived lessons/key concepts, extracting clinical patterns, and providing concrete recommendations as relevant. We provide an example of a student's narrative describing an emotionally powerful and meaningful event - the loss of his first patient - and faculty responses using BEGAN. The provision of quality feedback to students' reflective writing - supported by BEGAN - can facilitate the transformation of student to professional through reflection within medical education.

IEEE Conference Record - Abstracts. 1997 IEEE International Conference on Plasma Science, 19 - 22 May 1997 San Diego, California

National Research Council Canada - National Science Library

Hyman, Julius

1997-01-01

This 360 page softbound publication includes the following major sections. An invitation to ICOPS'97, Catamaran Resort Hotel Floor Pinas, Officers of the IEEE Nuclear and Plasma Sciences Society, Conference Information...

Energy Harvesting - Wireless Sensor Networks for Indoors Applications Using IEEE 802.11

DEFF Research Database (Denmark)

Fafoutis, Xenofon; Sørensen, Thomas; Madsen, Jan

2014-01-01

The paper investigates the feasibility of using IEEE 802.11 in energy harvesting low-power sensing applications. The investigation is based on a prototype carbon dioxide sensor node that is powered by artificial indoors light. The wireless communication module of the sensor node is based on the RTX......4100 module. RTX4100 incorporates a wireless protocol that duty-cycles the radio while being compatible with IEEE 802.11 access points. The presented experiments demonstrate sustainable operation but indicate a trade-off between the benefits of using IEEE 802.11 in energy harvesting applications...

CERN receives prestigious Milestone recognition from IEEE

CERN Multimedia

2005-01-01

At a ceremony at CERN, Mr W. Cleon Anderson, President of the Institute of Electrical and Electronics Engineers (IEEE) formally a Milestone plaque in recognition of the invention of electronic particle detectors at CERN

0011-0030.How to make an abstract in IEEE Format for ...

Indian Academy of Sciences (India)

Home; public; Volumes; reso; 021; 01; 0011-0030.How to make an abstract in IEEE Format for AvishkarMulticultural Night in IEEE R10 Student Congress 2009Performances.pdf. 404! error. The page your are looking for can not be found! Please check the link or use the navigation bar at the top. YouTube; Twitter; Facebook ...

IEEE 1451.2 based Smart sensor system using ADuc847

Science.gov (United States)

Sreejithlal, A.; Ajith, Jose

IEEE 1451 standard defines a standard interface for connecting transducers to microprocessor based data acquisition systems, instrumentation systems, control and field networks. Smart transducer interface module (STIM) acts as a unit which provides signal conditioning, digitization and data packet generation functions to the transducers connected to it. This paper describes the implementation of a microcontroller based smart transducer interface module based on IEEE 1451.2 standard. The module, implemented using ADuc847 microcontroller has 2 transducer channels and is programmed using Embedded C language. The Sensor system consists of a Network Controlled Application Processor (NCAP) module which controls the Smart transducer interface module (STIM) over an IEEE1451.2-RS232 bus. The NCAP module is implemented as a software module in C# language. The hardware details, control principles involved and the software implementation for the STIM are described in detail.

Attacks on IEEE 802.11 wireless networks

Directory of Open Access Journals (Sweden)

Dejan Milan Tepšić

2013-06-01

Full Text Available Security of wireless computer networks was initially secured with the WEP security protocol, which relies on the RC4 encryption algorithm and the CRC algorithm to check the integrity. The basic problems of the WEP are a short initialization vector, unsafe data integrity checking, using a common key, the lack of mechanisms for management and exchange of keys, the lack of protection from the endless insertion of the same package into the network, the lack of authentication of access points and the like. The consequences of these failures are easy attacks against the WEP network, namely their complete insecurity. Therefore, the work began on the IEEE 802.11i protocol, which should radically improve the security of wireless networks. Since the development of a protocol lasted, the WPA standard was released to offset the security gap caused by the WEP. The WPA also relies on RC4 and CRC algorithms, but brings temporary keys and the MIC algorithm for data integrity. The 802.1X authentication was introduced and common keys are no longer needed, since it is possible to use an authentication server. The length of the initialization vector was increased and the vector is obtained based on the packet serial number, in order to prevent the insertion of the same packet into the network. The weakness of the WPA security mechanism is the use of a common key. WPA2 (802.11i later appeared. Unlike the WPA mechanism that worked on old devices with the replacement of software, WPA2 requires new network devices that can perform AES encryption. AES replaces the RC4 algorithm and delivers much greater security. Data integrity is protected by encryption. Despite progress, there are still weaknesses in wireless networks. Attacks for denial of service are possible as well as spoofing package headers attacks. For now, it is not advisable to use wireless networks in environments where unreliability and unavailability are not tolerated. Introduction In the entire history of

IEEE No. 323, IEEE trial-use standard: General guide for qualifying Class I electric equipment for nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1992-01-01

This document describes the basic requirements for the qualification of Class I electric equipment. This is equipment which is essential to the safe shutdown and isolation of the reactor or whose failure or damage could result in significant release of radioactive material. The purpose of this document is to provide guidance for demonstrating the qualifications of electrical equipment as required in the IEEE Std 279 -- Criteria for Nuclear Power Generating Station Protection Systems, and IEEE Std 308 -- Criteria for Class 1E Electric Systems for Nuclear Power Generating Stations. The qualification methods described may be used in conjunction with the Guides for qualifying specific types of equipment, (see Foreword), for updating qualification following modifications or for qualifying equipment for which no applicable Guide exists

The IEEE 802.11a standards

Indian Academy of Sciences (India)

First page Back Continue Last page Overview Graphics. The IEEE 802.11a standards. Provides higher data rate and system capacities and uses OFDM in Physical Layer to mitigate the multi path effects;. Supports multiple 20Mhz channel. Each channel being an OFDM Modulated;; 52 Carriers. 48 data carrier; 4 Carry pilot ...

IEEE 802.11 Wireless LANs: Performance Analysis and Protocol Refinement

Directory of Open Access Journals (Sweden)

Chatzimisios P.

2005-01-01

Full Text Available The IEEE 802.11 protocol is emerging as a widely used standard and has become the most mature technology for wireless local area networks (WLANs. In this paper, we focus on the tuning of the IEEE 802.11 protocol parameters taking into consideration, in addition to throughput efficiency, performance metrics such as the average packet delay, the probability of a packet being discarded when it reaches the maximum retransmission limit, the average time to drop a packet, and the packet interarrival time. We present an analysis, which has been validated by simulation that is based on a Markov chain model commonly used in the literature. We further study the improvement on these performance metrics by employing suitable protocol parameters according to the specific communication needs of the IEEE 802.11 protocol for both basic access and RTS/CTS access schemes. We show that the use of a higher initial contention window size does not considerably degrade performance in small networks and performs significantly better in any other scenario. Moreover, we conclude that the combination of a lower maximum contention window size and a higher retry limit considerably improves performance. Results indicate that the appropriate adjustment of the protocol parameters enhances performance and improves the services that the IEEE 802.11 protocol provides to various communication applications.

Introduction to IEEE Std. 7-4.3.2 Annex D -- ''Qualification of existing commercial computers''

International Nuclear Information System (INIS)

Holmstrom, K.J.

1995-01-01

On September 15th of 1993 the IEEE standards board approved IEEE Std. 7-4.3.2-1993, IEEE Standard for Digital Computers in Safety Systems of Nuclear Power Generating Stations. This paper is an introduction to Annex D of this document which concerns the commercial grade dedication of existing computers or new non-1E computers

Isolan - A Fibre Optic Network Conforming To IEEE 802.3 Standards

Science.gov (United States)

Roworth, D. A. A.; Howe, N.

1986-10-01

The progress of the IEEE 802.3 standard for fibre optic LANs is indicated with reference to both mixed media networks and full fibre networks. For a fibre optic network the most suitable layout is a "snowflake" topology composed of multiport repeaters and active fibre hubs. A range of components is described which enables the realisation of such a topology in conformance with the IEEE 802.3 standard.

0011-0030.What is IEEE 754 StandardHow to convert real number ...

Indian Academy of Sciences (India)

Home; public; Volumes; reso; 021; 01; 0011-0030.What is IEEE 754 StandardHow to convert real number in binary format using IEEE 754 StandardAn.pdf. 404! error. The page your are looking for can not be found! Please check the link or use the navigation bar at the top. YouTube; Twitter; Facebook; Blog. Academy News.

48 CFR 52.223-16 - IEEE 1680 Standard for the Environmental Assessment of Personal Computer Products.

Science.gov (United States)

2010-10-01

... 48 Federal Acquisition Regulations System 2 2010-10-01 2010-10-01 false IEEE 1680 Standard for the... CONTRACT CLAUSES Text of Provisions and Clauses 52.223-16 IEEE 1680 Standard for the Environmental Assessment of Personal Computer Products. As prescribed in 23.706(b)(1), insert the following clause: IEEE...

A Comprehensive Taxonomy and Analysis of IEEE 802.15.4 Attacks

Directory of Open Access Journals (Sweden)

Yasmin M. Amin

2016-01-01

Full Text Available The IEEE 802.15.4 standard has been established as the dominant enabling technology for Wireless Sensor Networks (WSNs. With the proliferation of security-sensitive applications involving WSNs, WSN security has become a topic of great significance. In comparison with traditional wired and wireless networks, WSNs possess additional vulnerabilities which present opportunities for attackers to launch novel and more complicated attacks against such networks. For this reason, a thorough investigation of attacks against WSNs is required. This paper provides a single unified survey that dissects all IEEE 802.15.4 PHY and MAC layer attacks known to date. While the majority of existing references investigate the motive and behavior of each attack separately, this survey classifies the attacks according to clear metrics within the paper and addresses the interrelationships and differences between the attacks following their classification. The authors’ opinions and comments regarding the placement of the attacks within the defined classifications are also provided. A comparative analysis between the classified attacks is then performed with respect to a set of defined evaluation criteria. The first half of this paper addresses attacks on the IEEE 802.15.4 PHY layer, whereas the second half of the paper addresses IEEE 802.15.4 MAC layer attacks.

Performance Analysis of the IEEE 802.11p Multichannel MAC Protocol in Vehicular Ad Hoc Networks.

Science.gov (United States)

Song, Caixia

2017-12-12

Vehicular Ad Hoc Networks (VANETs) employ multichannel to provide a variety of safety and non-safety applications, based on the IEEE 802.11p and IEEE 1609.4 protocols. The safety applications require timely and reliable transmissions, while the non-safety applications require efficient and high throughput. In the IEEE 1609.4 protocol, operating interval is divided into alternating Control Channel (CCH) interval and Service Channel (SCH) interval with an identical length. During the CCH interval, nodes transmit safety-related messages and control messages, and Enhanced Distributed Channel Access (EDCA) mechanism is employed to allow four Access Categories (ACs) within a station with different priorities according to their criticality for the vehicle's safety. During the SCH interval, the non-safety massages are transmitted. An analytical model is proposed in this paper to evaluate performance, reliability and efficiency of the IEEE 802.11p and IEEE 1609.4 protocols. The proposed model improves the existing work by taking serval aspects and the character of multichannel switching into design consideration. Extensive performance evaluations based on analysis and simulation help to validate the accuracy of the proposed model and analyze the capabilities and limitations of the IEEE 802.11p and IEEE 1609.4 protocols, and enhancement suggestions are given.

Defending IEEE 802.11-Based Networks Against Denial Of Service Attacks

National Research Council Canada - National Science Library

Tan, Boon

2003-01-01

...) attacks targeting its management and media access protocols Computer simulation models have proven to be effective tools in the study of cause and effect in numerous fields This thesis involved the design and implementation of a IEEE 8O2.11-based simulation model using OMNeT++, to investigate the effects of different types of DoS attacks on a IEEE 8O2.11 network, and the effectiveness of corresponding countermeasures.

Editorial for IEEE Transactions on Power Electronics

DEFF Research Database (Denmark)

Blaabjerg, Frede

2007-01-01

Our IEEE transactions on power electronics has had some very positive progress these past years under the leadership of Dr. Daan van Wyk. Papers have been processed efficiently both in review time and publication time. This success has spread throughout the whole power electronics community which...

IEEE Std 730 Software Quality Assurance: Supporting CMMI-DEV v1.3, Product and Process Quality Assurance

Science.gov (United States)

2011-05-27

frameworks 4 CMMI-DEV IEEE / ISO / IEC 15288 / 12207 Quality Assurance ©2011 Walz IEEE Life Cycle Processes & Artifacts • Systems Life Cycle Processes...TAG to ISO TC 176 Quality Management • Quality: ASQ, work experience • Software: three books, consulting, work experience • Systems: Telecom & DoD...and IEEE 730 SQA need to align. The P730 IEEE standards working group has expanded the scope of the SQA process standard to align with IS 12207

Augmenting the Energy-Saving Impact of IEEE 802.3az via the Control Plane

OpenAIRE

Thaenchaikun , Chakadkit; Jakllari , Gentian; Paillassa , Béatrice

2015-01-01

International audience; IEEE 802.3az, the recent standard for Energy Efficient Ethernet, is one of the main contributions of the ICT industry to the global quest for energy efficiency. Energy consumption reduction is accomplished by essentially replacing the continuous IDLE of legacy IEEE 802.3 cards with a Low Power Idle. While this is an important step in the right direction, studies have shown that the energy saving with IEEE 802.3az highly depends on the traffic load and stops for link ut...

Radio Frequency Fingerprinting Techniques Through Preamble Modification in IEEE 802.11B

Science.gov (United States)

2014-06-30

4.2.1 Wald–Wolfowitz Runs Test . . . . . . . . . . . . . . . . . . . . . . 41 4.2.2 Wald–Wolfowitz Application to SXS System . . . . . . . . . . . . 42...Station SXS Signals eXploitation System USB Universal Serial Bus xiv Acronym Definition USRP Universal Software Radio Peripheral WLAN Wireless Local...Electronics Engineers (IEEE) defines standards applicable to the IEEE 802.11 protocol, however the standard does not reach the level of specificity to dictate

Writing and Retelling Multiple Ethnographic Tales of a Soup Kitchen for the Homeless.

Science.gov (United States)

Miller, Dana L.; Creswell, John W.; Olander, Lisa

An ethnographic study narrated three tales about a soup kitchen for the homeless and the near-homeless. To provide a cultural, ethnographic analysis, and share fieldwork experiences the study began with realist and confessional tales. These two tales emerged from the initial writing and presenting of the soup kitchen ethnography to qualitative…

Harmonization of IEEE323 and IEC60780 standards For Environmental Qualificaiton of Electric Equipment

International Nuclear Information System (INIS)

Kim, Jong Seog

2009-01-01

IEEE323 standard has been widely used for the qualification of electric equipment in Asian pacific area while IEC6070 has been mostly used in European area. Since each plant use different standard for environmental qualification, manufacturer has to perform the qualification test twice in accordance with each standard. Problem also can be happened in the plant site when they are going to purchase equipment qualified by different qualification standard which are not used in his plant. The need of harmonization of each standard has been raised several years and it is known that some studies are in progress by IEEE committee. KEPRI has a plan of comparing EQ relative standards of IEEE, IEC and RCC in 2009. In this paper, brief comparing result between IEEE323 and IEC60780 and the proper harmonization method is introduced

How nuclear power began

International Nuclear Information System (INIS)

Gowing, M.

1987-01-01

Many of the features of the story of nuclear power, both in nuclear weapons and nuclear power stations, derive from their timing. Usually, in the history of science the precise timing of discovery does not make much difference, but in the case of nuclear fission there was the coincidence that crucial discoveries were made and openly published in the same year, 1939, as the outbreak of the Second World War. It is these events of the 1930s and the early post-war era that are mainly discussed. However, the story began a lot earlier and even in the early 1900s the potential power within the atom had been foreseen by Soddy and Rutherford. In the 1930s Enrico Fermi and his team saw the technological importance of their discoveries and took out a patent on their process to produce artificial radioactivity from slow neutron beams. The need for secrecy because of the war, and the personal trusts and mistrusts run through the story of nuclear power. (UK)

Spectrum Hole Identification in IEEE 802.22 WRAN using Unsupervised Learning

OpenAIRE

V. Balaji; S. Anand; C.R. Hota; G. Raghurama

2016-01-01

In this paper we present a Cooperative Spectrum Sensing (CSS) algorithm for Cognitive Radios (CR) based on IEEE 802.22Wireless Regional Area Network (WRAN) standard. The core objective is to improve cooperative sensing efficiency which specifies how fast a decision can be reached in each round of cooperation (iteration) to sense an appropriate number of channels/bands (i.e. 86 channels of 7MHz bandwidth as per IEEE 802.22) within a time constraint (channel sensing time). To meet this objectiv...

A formal analysis of ISO/IEEE P11073-20601 standard of medical device communication

NARCIS (Netherlands)

Goga, Nicolae; Costache, Stefania; Moldoveanu, Florica

2009-01-01

This article presents the formal work done for the ISO/IEEE P11073-20601 Draft Standard for Health informatics - Personal health device communication - Application profile Optimized exchange protocol. ISO/IEEE 11073 family defines standards for device communication between agents (e.g. blood

IEEE standard for qualification of class 1E lead storage batteries for nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1979-01-01

IEEE Std 323-1974, Standard for Qualifying Class 1E Equipment for Nuclear Power Generating Stations, was developed to provide guidance for demonstrating and documenting the adequacy of electrical equipment used in all Class 1E and interface systems. This standard, IEEE Std 535-1979, was developed to provide specific methods and type test procedures for lead storage batteries in reference to IEEE Std 323-1974

A versatile electrical penetration design qualified to IEEE Std. 317-1983

International Nuclear Information System (INIS)

Lankenau, W.; Wetherill, T.M.

1994-01-01

Although worldwide demand for new construction of nuclear power stations has been on a decline, the available opportunities for the design and construction of qualified electrical penetrations continues to offer challenges, requiring a highly versatile design. Versatility is necessary in order to meet unique customer requirements within the constraints of a design basis qualified to IEEE Std. 317-1983. This paper summarizes such a versatile electrical penetration designed, built and tested to IEEE Std. 317-1983. The principal features are described including major materials of construction. Some of the design constraints such as sealing requirements, and conductor density (including numerical example) are discussed. The requirements for qualification testing of the penetration assembly to IEEE Std. 317-1983 are delineated in a general sense, and some typical test ranges for preconditioning, radiation exposure, and LOCA are provided. The paper concludes by describing ways in which this versatile design has been adapted to meet unique customer requirements in a variety of nuclear power plants

Spectrum Hole Identification in IEEE 802.22 WRAN using Unsupervised Learning

Directory of Open Access Journals (Sweden)

V. Balaji

2016-01-01

Full Text Available In this paper we present a Cooperative Spectrum Sensing (CSS algorithm for Cognitive Radios (CR based on IEEE 802.22Wireless Regional Area Network (WRAN standard. The core objective is to improve cooperative sensing efficiency which specifies how fast a decision can be reached in each round of cooperation (iteration to sense an appropriate number of channels/bands (i.e. 86 channels of 7MHz bandwidth as per IEEE 802.22 within a time constraint (channel sensing time. To meet this objective, we have developed CSS algorithm using unsupervised K-means clustering classification approach. The received energy level of each Secondary User (SU is considered as the parameter for determining channel availability. The performance of proposed algorithm is quantified in terms of detection accuracy, training and classification delay time. Further, the detection accuracy of our proposed scheme meets the requirement of IEEE 802.22 WRAN with the target probability of falsealrm as 0.1. All the simulations are carried out using Matlab tool.

An Extended IEEE 118-Bus Test System With High Renewable Penetration

Energy Technology Data Exchange (ETDEWEB)

Pena, Ivonne; Martinez-Anido, Carlo Brancucci; Hodge, Bri-Mathias

2018-01-01

This article describes a new publicly available version of the IEEE 118-bus test system, named NREL-118. The database is based on the transmission representation (buses and lines) of the IEEE 118-bus test system, with a reconfigured generation representation using three regions of the US Western Interconnection from the latest Western Electricity Coordination Council (WECC) 2024 Common Case [1]. Time-synchronous hourly load, wind, and solar time series are provided for over one year (8784 hours). The public database presented and described in this manuscript will allow researchers to model a test power system using detailed transmission, generation, load, wind, and solar data. This database includes key additional features that add to the current IEEE 118-bus test model, such as: the inclusion of 10 generation technologies with different heat rate functions, minimum stable levels and ramping rates, GHG emissions rates, regulation and contingency reserves, and hourly time series data for one full year for load, wind and solar generation.

Throughput and delay analysis of IEEE 802.15.6-based CSMA/CA protocol.

Science.gov (United States)

Ullah, Sana; Chen, Min; Kwak, Kyung Sup

2012-12-01

The IEEE 802.15.6 is a new communication standard on Wireless Body Area Network (WBAN) that focuses on a variety of medical, Consumer Electronics (CE) and entertainment applications. In this paper, the throughput and delay performance of the IEEE 802.15.6 is presented. Numerical formulas are derived to determine the maximum throughput and minimum delay limits of the IEEE 802.15.6 for an ideal channel with no transmission errors. These limits are derived for different frequency bands and data rates. Our analysis is validated by extensive simulations using a custom C+ + simulator. Based on analytical and simulation results, useful conclusions are derived for network provisioning and packet size optimization for different applications.

IEEE C37.105-1987: IEEE standard for qualifying Class 1E protective relays and auxiliaries for nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1992-01-01

This standard describes the basic principles, requirements, and methods for qualifying Class 1E protective relays and auxiliaries such as test and control switches, terminal blocks, and indicating lamps for applications in nuclear power generating stations. When properly employed it can be used to demonstrate the design adequacy of such equipment under normal, abnormal, design basis event and post design basis event conditions in accordance with ANSI/IEEE Std 323-1983. When protective relays and auxiliaries are located in areas not subject to harsh environments, environmental qualification is not required. Protective relays and auxiliaries located inside primary containment in a nuclear power generating station present special conditions beyond the scope of this document. The qualification procedure presented is generic in nature. Other methods may be used at the discretion of the qualifier, provided the basic precepts of ANSI/IEEE Std 32301983 are satisfied

Knowledge unbound selected writings on Open Access, 2002-2011

CERN Document Server

Suber, Peter

2016-01-01

Peter Suber has been a leading advocate for open access since 2001 and has worked full time on issues of open access since 2003. As a professor of philosophy during the early days of the internet, he realized its power and potential as a medium for scholarship. As he writes now, "it was like an asteroid crash, fundamentally changing the environment, challenging dinosaurs to adapt, and challenging all of us to figure out whether we were dinosaurs." When Suber began putting his writings and course materials online for anyone to use for any purpose, he soon experienced the benefits of that wider exposure. In 2001, he started a newsletter -- the Free Online Scholarship Newsletter, which later became the SPARC Open Access Newsletter -- in which he explored the implications of open access for research and scholarship. This book offers a selection of some of Suber's most significant and influential writings on open access from 2002 to 2010. In these texts, Suber makes the case for open access to research; answers c...

Guest editors' introduction : Highlights from IEEE Pacific Visualization

NARCIS (Netherlands)

Wijk, van J.J.; North, S.; Shen, H.-W.

2010-01-01

This article looks briefly at four articles based on papers from the 2010 IEEE Pacific Visualization Symposium. These articles, which strongly focus on visual design and applications, cover a range of applications in scientific visualization, information visualization, and graph visualization,

Comparison Of Several Methods Of Implementing A Fiber Optic IEEE 802.3 Ethernet

Science.gov (United States)

Thompson, Geoffrey O.

1987-01-01

Several different methods of implementing a fiber optic version of IEEE 802.3 10BASE LANs have been proposed as a candidate for standardization by IEEE. There have been extensive discussions as to the relative merits and features of the several systems. This paper will discuss the merits of each for this particular application on a comparative basis.

Implementation of DoS attack and mitigation strategies in IEEE 802.11b/g WLAN

Science.gov (United States)

Deng, Julia; Meng, Ke; Xiao, Yang; Xu, Roger

2010-04-01

IEEE 802.11 wireless Local Area Network (WLAN) becomes very prevalent nowadays. Either as a simple range extender for a home wired Ethernet interface, or as a wireless deployment throughout an enterprise, WLAN provides mobility, convenience, and low cost. However, an IEEE 802.11b/g wireless network uses the frequency of unlicensed 2.4GHz, which makes the network unsafe and more vulnerable than traditional Ethernet networks. As a result, anyone who is familiar with wireless network may initiate a Denial of Service (DoS) attack to influence the common communication of the network or even make it crash. In this paper, we present our studies on the DoS attacks and mitigation strategies for IEEE 802.11b/g WLANs and describe some initial implementations using IEEE 802.11b/g wireless devices.

Evaluation of H.264/AVC over IEEE 802.11p vehicular networks

Science.gov (United States)

Rozas-Ramallal, Ismael; Fernández-Caramés, Tiago M.; Dapena, Adriana; García-Naya, José Antonio

2013-12-01

The capacity of vehicular networks to offer non-safety services, like infotainment applications or the exchange of multimedia information between vehicles, have attracted a great deal of attention to the field of Intelligent Transport Systems (ITS). In particular, in this article we focus our attention on IEEE 802.11p which defines enhancements to IEEE 802.11 required to support ITS applications. We present an FPGA-based testbed developed to evaluate H.264/AVC (Advanced Video Coding) video transmission over vehicular networks. The testbed covers some of the most common situations in vehicle-to-vehicle and roadside-to-vehicle communications and it is highly flexible, allowing the performance evaluation of different vehicular standard configurations. We also show several experimental results to illustrate the quality obtained when H.264/AVC encoded video is transmitted over IEEE 802.11p networks. The quality is measured considering two important parameters: the percentage of recovered group of pictures and the frame quality. In order to improve performance, we propose to substitute the convolutional channel encoder used in IEEE 802.11p for a low-density parity-check code encoder. In addition, we suggest a simple strategy to decide the optimum number of iterations needed to decode each packet received.

Enhancing MAC performance of DCF protocol for IEEE 802.11 wireless LANs

Science.gov (United States)

Choi, Woo-Yong

2017-01-01

The DCF (Distributed Coordination Function) is the basic MAC (Medium Access Control) protocol of IEEE 802.11 wireless LANs and compatible with various IEEE 802.11 PHY extensions. The performance of the DCF degrades exponentially as the number of nodes participating in the DCF transmission procedure increases. To deal with this problem, we propose a simple, however efficient modification of the DCF by which the performance of the DCF is greatly enhanced.

Performance Evaluations for IEEE 802.15.4-based IoT Smart Home Solution

Directory of Open Access Journals (Sweden)

Nga Dinh

2016-09-01

Full Text Available The Internet of Things (IoT is going to be a market-changing force for a variety of real-time applications such as e-healthcare, home automation, environmental monitoring, and industrial automation. Low power wireless communication protocols offering long lifetime and high reliability such as the IEEE 802.15.4 standard have been a key enabling technology for IoT deployments and are deployed for home automation recently. The issues of the IEEE 802.15.4 networks have moved from theory to real world deployments. The work presented herein intends to demonstrate the use of the IEEE 802.15.4 standard in recent IoT commercial products for smart home applications: the Smart Home Starter Kit. The contributions of the paper are twofold. First, the paper presents how the IEEE 802.15.4 standard is employed in Smart Home Starter Kit. In particular, network topology, network operations, and data transfer mode are investigated. Second, network performance metrics such as end-to-end (E2E delay and frame reception ratio (FRR are evaluated by experiments. In addition, the paper discusses several directions for future improvements of home automation commercial products.

IEEE Standard for qualification of Class 1E lead storage batteries for nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1980-01-01

This document describes qualification methods for Class 1E lead storage batteries and racks to be used in nuclear power generating stations outside of primary containment. Qualification required in ANSI/IEEE Std 279-1979 and IEEE Std 308-1978, can be demonstrated by using the procedures provided in this Standard in accordance with IEEE Std 323-1974. Battery sizing, maintenance, capacity testing, installation, charging equipment and consideration of other types batteries are beyond the scope of this Standard

IEEE 693 seismic qualification of composites for substation high-voltage equipment

Energy Technology Data Exchange (ETDEWEB)

Schiff, A.J. [Precision Measurement Instruments, Los Altos Hills, CA (United States); Kempner, L.Jr. [Bonneville Power Administration, Vancouver, BC (Canada)

2004-07-01

Standard 693-1997 of the Institute of Electrical and Electronic Engineers (IEEE) is the recommended practice for seismic design of substations. It represents a significant improvement in the way the power industry seismically qualifies substation high-voltage equipment. This paper described the use of IEEE Standard 693 for hollow-core composite insulators that are used on high-voltage transformers and demonstrated that changes are warranted. The following four failure modes associated with the composite insulator were discussed: bond degradation, bond failure, tube degradation and tube layer delamination. The authors evaluated the IEEE 693 qualification procedure of time history shake-table and static-pull tests and were concerned about acceptance criteria. It was shown that acceptance criteria are not valid for qualifying hollow-core composites and that static-pull tests are needed after the vibration qualification tests are completed. It was suggested that more research is warranted to determine if bonding at the top part of the flange can be eliminated, thereby eliminating bond degradation. The resulting increase in system damping would improve the dynamic response of the unit. 1 ref., 10 figs.

2011 IEEE Vehicular Networking Conference (VNC): Demo Summaries

NARCIS (Netherlands)

Altintas, O.; Chen, W.; Heijenk, Geert; Dressler, F.; Ekici, E.; Kargl, Frank; Shigeno, H.; Dietzel, Stefan

2011-01-01

Foreword For the first time in its history, IEEE VNC has included this year’s demonstrations in its program. Demonstrations play an important role to expose the research community to practical aspects of research and to foster cross-fertilization among researchers both in academia and in industry.

IEEE prize awarded to CERN PhD student

CERN Multimedia

2006-01-01

Rafael Ballabriga Suñe (right) receives the Student Paper Award. Rafael Ballabriga Suñe is the recipient of the 2006 Institute of Electrical and Electronics Engineers, Inc. (IEEE) Nuclear and Plasma Sciences Society (NPSS)'s Student Paper Award. Ballabriga's winning paper reported on a prototype chip, which belongs to a new generation of single photon counting hybrid pixel detector readout chips - Medipix3. The NPSS established this award in 2005 to encourage outstanding student contributions and greater student participation as principle or sole authors of papers. The prizes were presented at the IEEE Nuclear Science Symposium held in San Diego on 29 October to 4 November. The prototype chip was designed by Ballabriga based on ideas generated within the CERN Medipix team - part of the PH Microelectronics group. It could be used in various fields in the future, including medical imaging, neutron imaging, electron microscopy, radiation monitoring and other applications in high-energy physics. The novel aspe...

Planning of Efficient Wireless Access with IEEE 802.16 for Connecting Home Network to the Internet

Directory of Open Access Journals (Sweden)

Pichet Ritthisoonthorn

2010-01-01

Full Text Available The emergence of IEEE802.16 wireless standard technology (WiMAX has significantly increased the choice to operators for the provisioning of wireless broadband access network. WiMAX is being deployed to compliment with xDSL in underserved or lack of the broadband network area, in both developed and developing countries. Many incumbent operators in developing countries are considering the deployment of WiMAX as part of their broadband access strategy. This paper presents an efficient and simple method for planning of broadband fixed wireless access (BFWA with IEEE802.16 standard to support home connection to Internet. The study formulates the framework for planning both coverage and capacity designs. The relationship between coverage area and access rate from subscriber in each environment area is presented. The study also presents the throughput and channel capacity of IEEE802.16 in different access rates. An extensive analysis is performed and the results are applied to the real case study to demonstrate the practicality of using IEEE 802.16 for connecting home to Internet. Using empirical data and original subscriber traffic from measurement, it is shown that the BFWA with IEEE802.16 standard is a capacity limited system. The capacity of IEEE802.16 is related to different factors including frequency bandwidth, spectrum allocation, estimation of traffic per subscriber, and choice of adaptive modulation from subscriber terminal. The wireless access methods and procedures evolved in this research work and set out in this paper are shown to be well suited for planning BFWA system based on IEEE802.16 which supports broadband home to Internet connections.

Performance of the IEEE 802.3 EPON registration scheme under high load

Science.gov (United States)

Bhatia, Swapnil P.; Bartos, Radim

2004-09-01

The proposed standard for the IEEE 802.3 Ethernet Passive Optical Network includes a random delayed transmission scheme for registration of new nodes. Although the scheme performs well on low loads, our simulation demonstrates the degraded and undesirable performance of the scheme at higher loads. We propose a simple modification to the current scheme that increases its range of operation and is compatible with the IEEE draft standard. We demonstrate the improvement in performance gained without any significant increase in registration delay.

VARNOST BREZŽIČNIH OMREŽIJ PO STANDARDU IEEE 802.11

OpenAIRE

Štumberger, Matej

2013-01-01

Diplomska naloga se osredotoča na problem varovanja brezžičnih omrežij, zasnovanih po standardu IEEE 802.11. Opisano je združenje IEEE in njihova specifikacija standardov z oznako 802, prav tako pa so opisani tudi standardi, protokoli in tehnike varovanja in zaščite omrežij, ki delujejo po tej specifikaciji. Predstavljeno je tudi trenutno stanje varnosti brezžičnih omrežij na področju mesta Ptuj, opisani in prikazani pa so tudi različni pristopi za zlorabo brezžičnih omrežij, skupaj s program...

International Conference on Grey Systems and intelligent Services (IEEE GSIS 2009)

CERN Document Server

Liu, Sifeng; Advances in Grey Systems Research

2010-01-01

This book contains contributions by some of the leading researchers in the area of grey systems theory and applications. All the papers included in this volume are selected from the contributions physically presented at the 2009 IEEE International Conference on Grey Systems and Intelligent Services, November 11 – 12, 2009, Nanjing, Jiangsu, People’s Republic of China. This event was jointly sponsored by IEEE Systems, Man, and Cybernetics Society, Natural Science Foundation of China, and Grey Systems Society of China. Additionally, Nanjing University of Aeronautics and Astronautics also invested heavily in this event with its direct and indirect financial and administrative supports.

Segmentized Clear Channel Assessment for IEEE 802.15.4 Networks.

Science.gov (United States)

Son, Kyou Jung; Hong, Sung Hyeuck; Moon, Seong-Pil; Chang, Tae Gyu; Cho, Hanjin

2016-06-03

This paper proposed segmentized clear channel assessment (CCA) which increases the performance of IEEE 802.15.4 networks by improving carrier sense multiple access with collision avoidance (CSMA/CA). Improving CSMA/CA is important because the low-power consumption feature and throughput performance of IEEE 802.15.4 are greatly affected by CSMA/CA behavior. To improve the performance of CSMA/CA, this paper focused on increasing the chance to transmit a packet by assessing precise channel status. The previous method used in CCA, which is employed by CSMA/CA, assesses the channel by measuring the energy level of the channel. However, this method shows limited channel assessing behavior, which comes from simple threshold dependent channel busy evaluation. The proposed method solves this limited channel decision problem by dividing CCA into two groups. Two groups of CCA compare their energy levels to get precise channel status. To evaluate the performance of the segmentized CCA method, a Markov chain model has been developed. The validation of analytic results is confirmed by comparing them with simulation results. Additionally, simulation results show the proposed method is improving a maximum 8.76% of throughput and decreasing a maximum 3.9% of the average number of CCAs per packet transmission than the IEEE 802.15.4 CCA method.

Real-time-service-based Distributed Scheduling Scheme for IEEE 802.16j Networks

OpenAIRE

Kuo-Feng Huang; Shih-Jung Wu

2013-01-01

Supporting Quality of Service (QoS) guarantees for diverse multimedia services is the primary concern for IEEE802.16j networks. A scheduling scheme that satisfies the QoS requirements has become more important for wireless communications. We proposed an adaptive nontransparent-based distributed scheduling scheme (ANDS) for IEEE 802.16j networks. ANDS comprises three major components: Priority Assignment, Resource Allocation, Preserved Bandwidth Adjustment. Different service-type connections p...

Application of IEEE 1588 to the real-time control system of accelerator

International Nuclear Information System (INIS)

Ma Mingchao; Chen Jianfeng; Shen Liren; Jiang Geyang

2014-01-01

Background: Time synchronization is one of the core technology of realizing the real-time control of accelerator under the distributed control system architecture. The ordinary crystal frequency deviation of IEEE 1588 causes low synchronous accuracy, which doesn't meet the needs of high precision synchronization. Purpose: This paper proposes an algorithm to improve the synchronization precision caused by the crystal frequency deviation. Methods: According to the basic principle of IEEE 1588 time synchronization, a dynamic frequency compensation (DFC) algorithm module was designed and a test platform was built to verify the feasibility and practicability of the algorithm. The influence of the synchronous cycle and delay jitter of the switch on the synchronization accuracy were analyzed. Results: Experimental results showed the great precision improvement of synchronization after using DFC algorithm. Conclusion: Low synchronous accuracy caused by the crystal frequency deviation can be improved by using DFC algorithm implemented for precision time protocol (PTP) of IEEE 1588. (authors)

Writing Across the Curriculum -- An Online Course in Computer Security

Directory of Open Access Journals (Sweden)

Neelu Sinha, Ph.D.

2006-07-01

Full Text Available Writing fosters both critical thinking and student learning, serving as one of the most effective ways to understand a topic. Writing across the Curriculum (WAC began in the late 1970’s, as a pedagogical reform movement in response to a perceived deficiency in literacy among college students. Over the past two decades universities have worked to broaden the scope of student writing from composition classes to classes in the students’ major. This paper chronicles the application of WAC into the discipline of Computer Science. The purpose of this study is to develop an online Computer Security course (for sophomores and juniors in Computer Science, under the umbrella of WAC, to help improve the students’ writing overall and focus on skills students require in upper level courses in the major. Developing this course as an online course (rather than a traditional face-to-face course offers flexible configurability and scalability, features that are useful to prepare students for constantly changing real world security challenges. This paper includes all aspects of course design and insight into lessons learned. Results indicate that both the faculty and students benefit from such a writing intensive course. Reading and responding to the students’ writing enables faculty to gain valuable insights into the students’ thoughts, ideas, problems, and other issues. Students reported increased knowledge and comprehension of the subject material, deeper understanding of the conventions within Computer Science, improved analysis and reporting skills, ability to understand and present abstract concepts effectively, and skill in producing professional documents.

IEEE 1547 and 2030 Standards for Distributed Energy Resources Interconnection and Interoperability with the Electricity Grid

Energy Technology Data Exchange (ETDEWEB)

Basso, T.

2014-12-01

Public-private partnerships have been a mainstay of the U.S. Department of Energy and the National Renewable Energy Laboratory (DOE/NREL) approach to research and development. These partnerships also include technology development that enables grid modernization and distributed energy resources (DER) advancement, especially renewable energy systems integration with the grid. Through DOE/NREL and industry support of Institute of Electrical and Electronics Engineers (IEEE) standards development, the IEEE 1547 series of standards has helped shape the way utilities and other businesses have worked together to realize increasing amounts of DER interconnected with the distribution grid. And more recently, the IEEE 2030 series of standards is helping to further realize greater implementation of communications and information technologies that provide interoperability solutions for enhanced integration of DER and loads with the grid. For these standards development partnerships, for approximately $1 of federal funding, industry partnering has contributed $5. In this report, the status update is presented for the American National Standards IEEE 1547 and IEEE 2030 series of standards. A short synopsis of the history of the 1547 standards is first presented, then the current status and future direction of the ongoing standards development activities are discussed.

An Authentication and Key Management Mechanism for Resource Constrained Devices in IEEE 802.11-based IoT Access Networks

OpenAIRE

Kim, Ki-Wook; Han, Youn-Hee; Min, Sung-Gi

2017-01-01

Many Internet of Things (IoT) services utilize an IoT access network to connect small devices with remote servers. They can share an access network with standard communication technology, such as IEEE 802.11ah. However, an authentication and key management (AKM) mechanism for resource constrained IoT devices using IEEE 802.11ah has not been proposed as yet. We therefore propose a new AKM mechanism for an IoT access network, which is based on IEEE 802.11 key management with the IEEE 802.1X aut...

Design of handoff procedures for broadband wireless access IEEE 802.16 based networks

Directory of Open Access Journals (Sweden)

V. Rangel–Licea

2008-01-01

Full Text Available IEEE 802.16 is a protocol for fixed broad band wire less access that is currently trying to add mobility among mobile users in the standard. However, mobility adds some technical barriers that should be solved first, this is the case of HO "handoff" (change of connection between two base stations "BS" by a mobile user. In this paper, the problem of HO in IEEE 802.16 is approached try ing to maintain the quality of service (QoS of mobile users. A mechanism for changing connection during HO is pre sented. A simulation model based on OPNET MODELER1 was developed to evaluate the performance of the proposed HO mechanism. Finally, this paper demonstrates that it is possible to implement a seam less HO mech a nism over IEEE 802.16 even for users with de manding applications such as voice over IP.

Study of Allocation Guaranteed Time Slot Wireless Body Area Networks Based on IEEE 802.15.4

Science.gov (United States)

Yundra, E.; Harsono, G. D.

2018-04-01

This paper aims to determine the size of the Guaranteed Time Slot (GTS) on the super frame structure required for each sensor as well as to know the performance of the GTS resized system compared to the GTS standard on IEEE 802.15.4. This article proposes a scheme to improve IEEE 802.15.4 medium access control, called allocation Guaranteed Time Slot (ALGATIS). ALGATIS is expected to effectively allocate guaranteed time slot to the requested sensors, it adjusts the length of the slot in super frame duration based on the length of the packet data. This article presents a simulation experiment of IEEE 802.15.4, especially for star network, to predict the throughput of networks and average energy consumption. The simulation experiments show that the performance of ALGATIS is better than that of IEEE 802.15.4 standard in term of the throughput of networks and average energy consumption

A versatile trigger and synchronization module with IEEE1588 capabilities and EPICS support

International Nuclear Information System (INIS)

Lopez, J.M.; Ruiz, M.; Borrego, J.; Arcas, G. de; Barrera, E.; Vega, J.

2010-01-01

Event timing and synchronization are two key aspects to improve in the implementation of distributed data acquisition (dDAQ) systems such as the ones used in fusion experiments. It is also of great importance the integration of dDAQ in control and measurement networks. This paper analyzes the applicability of the IEEE1588 and EPICS standards to solve these problems, and presents a hardware module implementation based in both of them that allow adding these functionalities to any DAQ. The IEEE1588 standard facilitates the integration of event timing and synchronization mechanisms in distributed data acquisition systems based on IEEE 803.3 (Ethernet). An optimal implementation of such system requires the use of network interface devices which include specific hardware resources devoted to the IEE1588 functionalities. Unfortunately, this is not the approach followed in most of the large number of applications available nowadays. Therefore, most solutions are based in software and use standard hardware network interfaces. This paper presents the development of a hardware module (GI2E) with IEEE1588 capabilities which includes USB, RS232, RS485 and CAN interfaces. This permits to integrate any DAQ element that uses these interfaces in dDAQ systems in an efficient and simple way. The module has been developed with Motorola's Coldfire MCF5234 processor and National Semiconductors's PHY DP83640T, providing it with the possibility to implement the PTP protocol of IEEE1588 by hardware, and therefore increasing its performance over other implementations based in software. To facilitate the integration of the dDAQ system in control and measurement networks the module includes a basic Input/Output Controller (IOC) functionality of the Experimental Physics and Industrial Control System (EPICS) architecture. The paper discusses the implementation details of this module and presents its applications in advanced dDAQ applications in the fusion community.

Proceedings of IEEE Machine Learning for Signal Processing Workshop XVI

DEFF Research Database (Denmark)

Larsen, Jan

These proceedings contains refereed papers presented at the sixteenth IEEE Workshop on Machine Learning for Signal Processing (MLSP'2006), held in Maynooth, Co. Kildare, Ireland, September 6-8, 2006. This is a continuation of the IEEE Workshops on Neural Networks for Signal Processing (NNSP......). The name of the Technical Committee, hence of the Workshop, was changed to Machine Learning for Signal Processing in September 2003 to better reflect the areas represented by the Technical Committee. The conference is organized by the Machine Learning for Signal Processing Technical Committee...... the same standard as the printed version and facilitates the reading and searching of the papers. The field of machine learning has matured considerably in both methodology and real-world application domains and has become particularly important for solution of problems in signal processing. As reflected...

Capacity Evaluation for IEEE 802.16e Mobile WiMAX

Directory of Open Access Journals (Sweden)

Chakchai So-In

2010-01-01

Full Text Available We present a simple analytical method for capacity evaluation of IEEE 802.16e Mobile WiMAX networks. Various overheads that impact the capacity are explained and methods to reduce these overheads are also presented. The advantage of a simple model is that the effect of each decision and sensitivity to various parameters can be seen easily. We illustrate the model by estimating the capacity for three sample applications—Mobile TV, VoIP, and data. The analysis process helps explain various features of IEEE 802.16e Mobile WiMAX. It is shown that proper use of overhead reducing mechanisms and proper scheduling can make an order of magnitude difference in performance. This capacity evaluation method can also be used for validation of simulation models.

Self-Coexistence among IEEE 802.22 Networks: Distributed Allocation of Power and Channel

OpenAIRE

Sayef Azad Sakin; Md. Abdur Razzaque; Mohammad Mehedi Hassan; Atif Alamri; Nguyen H. Tran; Giancarlo Fortino

2017-01-01

Ensuring self-coexistence among IEEE 802.22 networks is a challenging problem owing to opportunistic access of incumbent-free radio resources by users in co-located networks. In this study, we propose a fully-distributed non-cooperative approach to ensure self-coexistence in downlink channels of IEEE 802.22 networks. We formulate the self-coexistence problem as a mixed-integer non-linear optimization problem for maximizing the network data rate, which is an NP-hard one. This work explores a s...

TRAVEL WRITING: AN APPLICATION OF WRITING WORKSHOP TO ENHANCE STUDENTS’S CREATIVE WRITING

Directory of Open Access Journals (Sweden)

Prayudias Margawati

2014-10-01

Full Text Available Writing is often assumed as uneasy skill to either learn or teach. For students, they find it difficult to develop ideas in writing. On the other hand, teachers, many of them, only ready with the materials but confuse with the appropriate ways to teach. This paper intends to describe and discuss a method of teaching writing namely writing workshop to improve students’ writing skill through travel writing. Writing workshop proposed by Calkins that consists of mini lesson, work time, peer conferring and/or response groups, share sessions, and publication celebration is applied in writing class for methodological purposes. In mini lesson, teacher offers something to the class that is meant to introduce a writing strategy done at the beginning of the workshop. During work time point, students start their new piece of writing. Teacher moves among students conferring with them while checking their works. Peer conferences or response groups provide a forum for students to talk about works in progress. When students work in group, one of them could arrange his/ her group needs during the work time. A share session may be varied, one possible way is each group shares their process of writing to other students. At the end of writing class, student writers come together to publish and/ or celebrate their final work. The publication could be in the form of portfolio, students’ diary, blog, or others. Travel writing genre is chosen as it could develop students’ creativity in describing/ narrating their own stories during, let say holiday or things they used to see on the way home weekly or monthly. Furthermore, travel writing as the product of creative writing teaches the readers of values, characteristics, and way of life. Last but not least, a professional writing teacher should set the writing workshop components in variety ways to achieve effective running-class.

PERFORMANCE STUDY OF DISTRIBUTED COORDINATION FUNCTION OVER IEEE 802.11A PHYSICAL LAYER

Directory of Open Access Journals (Sweden)

S. SELVAKENEDDY

2006-06-01

Full Text Available IEEE 802.11a is one of the latest standards to be released by the IEEE Project 802 for wireless LANs. It has specified an additional physical layer (PHY to support higher data rates, and is termed as the orthogonal frequency division multiplexing (OFDM. In order to exploit its benefits, one of the medium access control (MAC protocols specified in the IEEE 802.11 specification is called distributed coordination function (DCF. DCF is a carrier sense multiple access with collision avoidance (CSMA/CA scheme with slotted binary exponential backoff. The frames can be transmitted using the basic access scheme or the RTS/CTS scheme in DCF. It was demonstrated previously that the RTS/CTS mechanism works well in most scenarios for the previously specified PHYs. In this work, a simple simulator is developed to verify the scalability of the RTS/CTS mechanism over OFDM PHY, which supports much higher data rates.

IEEE 802.11e (EDCA analysis in the presence of hidden stations

Directory of Open Access Journals (Sweden)

Xijie Liu

2011-07-01

Full Text Available The key contribution of this paper is the combined analytical analysis of both saturated and non-saturated throughput of IEEE 802.11e networks in the presence of hidden stations. This approach is an extension to earlier works by other authors which provided Markov chain analysis to the IEEE 802.11 family under various assumptions. Our approach also modifies earlier expressions for the probability that a station transmits a packet in a vulnerable period. The numerical results provide the impact of the access categories on the channel throughput. Various throughput results under different mechanisms are presented.

Reactive GTS Allocation Protocol for Sporadic Events Using the IEEE 802.15.4

Directory of Open Access Journals (Sweden)

Mukhtar Azeem

2014-01-01

by the IEEE 802.15.4 standard. The proposed control protocol ensures that a given offline sporadic schedule can be adapted online in a timely manner such that the static periodic schedule has not been disturbed and the IEEE 802.15.4 standard compliance remains intact. The proposed protocol is simulated in OPNET. The simulation results are analyzed and presented in this paper to prove the correctness of the proposed protocol regarding the efficient real-time sporadic event delivery along with the periodic event propagation.

On IEEE 802.15.6 IR-UWB receivers - simulations for DBPSK modulation.

Science.gov (United States)

Niemelä, Ville; Hämäläinen, Matti; Iinatti, Jari

2013-01-01

In 2002, Federal Communications Commission (FCC) was the first in defining regulations for ultra wideband (UWB) communications followed by Europe and Japan some years later. Focusing on impulse radio (IR) UWB, in 2007 was the time for the first published standard targeting in personal area networks, released by the IEEE. The second IEEE released standard including UWB definitions is targeted for wireless body area networks (WBAN) and was published in 2012. As the wireless communications has been and will be passing through almost any levels in society, the natural step with WBAN is using it in different medical, healthcare and wellbeing applications. The arguments for these are related to the modern lifestyle, in which people have increasingly more free time and are more interested in taking care of their health and wellbeing. Another challenge is the population composition, i.e., aging in developed countries which call for new solutions and procedures, particularly from cost wise. In this paper, we are evaluating UWB receivers based on the IEEE 802.15.6 physical layer definitions and capable of detecting differentially encoded modulation. The evaluation is performed using two different WBAN channel models.

An Authentication and Key Management Mechanism for Resource Constrained Devices in IEEE 802.11-based IoT Access Networks

Directory of Open Access Journals (Sweden)

Ki-Wook Kim

2017-09-01

Full Text Available Many Internet of Things (IoT services utilize an IoT access network to connect small devices with remote servers. They can share an access network with standard communication technology, such as IEEE 802.11ah. However, an authentication and key management (AKM mechanism for resource constrained IoT devices using IEEE 802.11ah has not been proposed as yet. We therefore propose a new AKM mechanism for an IoT access network, which is based on IEEE 802.11 key management with the IEEE 802.1X authentication mechanism. The proposed AKM mechanism does not require any pre-configured security information between the access network domain and the IoT service domain. It considers the resource constraints of IoT devices, allowing IoT devices to delegate the burden of AKM processes to a powerful agent. The agent has sufficient power to support various authentication methods for the access point, and it performs cryptographic functions for the IoT devices. Performance analysis shows that the proposed mechanism greatly reduces computation costs, network costs, and memory usage of the resource-constrained IoT device as compared to the existing IEEE 802.11 Key Management with the IEEE 802.1X authentication mechanism.

An Authentication and Key Management Mechanism for Resource Constrained Devices in IEEE 802.11-based IoT Access Networks.

Science.gov (United States)

Kim, Ki-Wook; Han, Youn-Hee; Min, Sung-Gi

2017-09-21

Many Internet of Things (IoT) services utilize an IoT access network to connect small devices with remote servers. They can share an access network with standard communication technology, such as IEEE 802.11ah. However, an authentication and key management (AKM) mechanism for resource constrained IoT devices using IEEE 802.11ah has not been proposed as yet. We therefore propose a new AKM mechanism for an IoT access network, which is based on IEEE 802.11 key management with the IEEE 802.1X authentication mechanism. The proposed AKM mechanism does not require any pre-configured security information between the access network domain and the IoT service domain. It considers the resource constraints of IoT devices, allowing IoT devices to delegate the burden of AKM processes to a powerful agent. The agent has sufficient power to support various authentication methods for the access point, and it performs cryptographic functions for the IoT devices. Performance analysis shows that the proposed mechanism greatly reduces computation costs, network costs, and memory usage of the resource-constrained IoT device as compared to the existing IEEE 802.11 Key Management with the IEEE 802.1X authentication mechanism.

An analytical model for the performance analysis of concurrent transmission in IEEE 802.15.4.

Science.gov (United States)

Gezer, Cengiz; Zanella, Alberto; Verdone, Roberto

2014-03-20

Interference is a serious cause of performance degradation for IEEE802.15.4 devices. The effect of concurrent transmissions in IEEE 802.15.4 has been generally investigated by means of simulation or experimental activities. In this paper, a mathematical framework for the derivation of chip, symbol and packet error probability of a typical IEEE 802.15.4 receiver in the presence of interference is proposed. Both non-coherent and coherent demodulation schemes are considered by our model under the assumption of the absence of thermal noise. Simulation results are also added to assess the validity of the mathematical framework when the effect of thermal noise cannot be neglected. Numerical results show that the proposed analysis is in agreement with the measurement results on the literature under realistic working conditions.

0011-0030.Data Representation amp Computer Arithmetic6 IEEE ...

Indian Academy of Sciences (India)

Home; public; Volumes; reso; 021; 01; 0011-0030.Data Representation amp Computer Arithmetic6 IEEE Standard Double Precision FormatIn.pdf. 404! error. The page your are looking for can not be found! Please check the link or use the navigation bar at the top. YouTube; Twitter; Facebook; Blog. Academy News.

Study on Additional Carrier Sensing for IEEE 802.15.4 Wireless Sensor Networks

Directory of Open Access Journals (Sweden)

Bih-Hwang Lee

2010-06-01

Full Text Available Wireless sensor networks based on the IEEE 802.15.4 standard are able to achieve low-power transmissions in the guise of low-rate and short-distance wireless personal area networks (WPANs. The slotted carrier sense multiple access with collision avoidance (CSMA/CA is used for contention mechanism. Sensor nodes perform a backoff process as soon as the clear channel assessment (CCA detects a busy channel. In doing so they may neglect the implicit information of the failed CCA detection and further cause the redundant sensing. The blind backoff process in the slotted CSMA/CA will cause lower channel utilization. This paper proposes an additional carrier sensing (ACS algorithm based on IEEE 802.15.4 to enhance the carrier sensing mechanism for the original slotted CSMA/CA. An analytical Markov chain model is developed to evaluate the performance of the ACS algorithm. Both analytical and simulation results show that the proposed algorithm performs better than IEEE 802.15.4, which in turn significantly improves throughput, average medium access control (MAC delay and power consumption of CCA detection.

Study on additional carrier sensing for IEEE 802.15.4 wireless sensor networks.

Science.gov (United States)

Lee, Bih-Hwang; Lai, Ruei-Lung; Wu, Huai-Kuei; Wong, Chi-Ming

2010-01-01

Wireless sensor networks based on the IEEE 802.15.4 standard are able to achieve low-power transmissions in the guise of low-rate and short-distance wireless personal area networks (WPANs). The slotted carrier sense multiple access with collision avoidance (CSMA/CA) is used for contention mechanism. Sensor nodes perform a backoff process as soon as the clear channel assessment (CCA) detects a busy channel. In doing so they may neglect the implicit information of the failed CCA detection and further cause the redundant sensing. The blind backoff process in the slotted CSMA/CA will cause lower channel utilization. This paper proposes an additional carrier sensing (ACS) algorithm based on IEEE 802.15.4 to enhance the carrier sensing mechanism for the original slotted CSMA/CA. An analytical Markov chain model is developed to evaluate the performance of the ACS algorithm. Both analytical and simulation results show that the proposed algorithm performs better than IEEE 802.15.4, which in turn significantly improves throughput, average medium access control (MAC) delay and power consumption of CCA detection.

IEEE P1596, a scalable coherent interface for GigaByte/sec multiprocessor applications

International Nuclear Information System (INIS)

Gustavson, D.B.

1988-11-01

IEEE P1596, the Scalable Coherent Interface (formerly known as SuperBus) is based on experience gained during the development of Fastbus (IEEE 960), Futurebus (IEEE 896.1) and other modern 32-bit buses. SCI goals include a minimum bandwidth of 1 GByte/sec per processor; efficient support of a coherent distributed-cache image of shared memory; and support for segmentation, bus repeaters and general switched interconnections like Banyan, Omega, or full crossbar networks. To achieve these ambitious goals, SCI must sacrifice the immediate handshake characteristic of the present generation of buses in favor of a packet-like split-cycle protocol. Wire-ORs, broadcasts, and even ordinary passive bus structures are to be avoided. However, a lower performance (1 GByte/sec per backplane instead of per processor) implementation using a register insertion ring architecture on a passive ''backplane'' appears to be possible using the same interface as for the more costly switch networks. This paper presents a summary of current directions, and reports the status of the work in progress

Investigation of Writing Strategies, Writing Apprehension, and Writing Achievement among Saudi EFL-Major Students

Science.gov (United States)

Al Asmari, AbdulRahman

2013-01-01

The tenet of this study is to investigate the use of writing strategies in reducing writing apprehension and uncovering its effect on EFL students' writing achievement. It also attempts to explore associations between foreign language apprehension, writing achievement and writing strategies. The primary aims of the study were to explore the…

University writing

Directory of Open Access Journals (Sweden)

Miguel Zabalza Beraza

2013-01-01

Full Text Available Writing in the University is a basic necessity and a long-range educational purpose. One of the basic characteristics of the university context is that it requires writing both as a tool of communication and as a source of intellectual stimulation. After establishing the basic features of academic writing, this article analyzes the role of writing for students (writing to learn and for teachers (write to plan, to reflect, to document what has been done. The article also discusses the contributions of writing for both students and teachers together: writing to investigate. Finally, going beyond what writing is as academic tool, we conclude with a more playful and creative position: writing for pleasure and enjoyment.

Organization of the 17th Advanced Accelerator Concepts (AAC16) Workshop by the IEEE. Final Scientific/Technical Report On AWARD NO. DE-SC0015635

Energy Technology Data Exchange (ETDEWEB)

Sutter, David F. [Inst. of Electrical and Electronics Engineers Inc., Piscataway, NJ (United States)

2017-07-15

The 2016 Workshop on Advanced Accelerator Concepts (AAC) was held at the Gaylord Hotel and Conference Center, National Harbor, Maryland, from July 31 through August 5, 2016. This workshop was the seventeenth in a biennial series that began at Los Alamos National Laboratory in 1982 with a workshop on laser acceleration of particles (see AIP Conf. Proc. 91). AAC16 was organized under the sponsorship of the IEEE Council on Superconductivity with financial support from the U. S. Department of Energy Office of High Energy Physics and the National Science Foundation. The scope of the AAC Workshop has grown since 1982 to encompass a broad range of topics related to advancing accelerator science and technology beyond its current scientific and technical limits and is now an internationally acknowledged forum for interdisciplinary discussions on advanced accelerator and beam physics/technology concepts covering the widest possible range of applications. The Workshop continued the trend of growing worldwide participation, attracting world wide participation. The Workshop had a total of 256 attendees comprising (including the U.S.) representatives from 11 countries representing 65 different institutions. Each day’s schedule began with plenary sessions covering broad, cross disciplinary interests or general tutorial topics as selected by the Program Committee, followed by a break out into more narrowly focused working groups. The Workshop was organized into eight Working Groups each with a published statement of topical focus, scope of discussion and goals. A summary of the Working Group activities and conclusions is included in the American Institute of Physics’ (AIP) Conference Proceedings now available as an on line open source document. It has been a long tradition of the AAC workshops to encourage strong student participation. This is accomplished in part by subsidizing student attendance, done for this work shop by using funds from the DOE and National Science

The Exploration of Network Coding in IEEE 802.15.4 Networks

Directory of Open Access Journals (Sweden)

Deze Zeng

2011-01-01

communication protocol should be energy efficient. The IEEE 802.15.4 is designed as a standard protocol for low power, low data rate, low complexity, and short range connections in WPANs. The standard supports allocating several numbers of collision-free guarantee time slots (GTSs within a superframe for some time-critical transmissions. Recently, COPE was proposed as a promising network coding architecture to essentially improve the throughput of wireless networks. In this paper, we exploit the network coding technique at coordinators to improve energy efficiency of the WPAN. Some related practical issues, such as GTS allocation and multicast, are also discussed in order to exploit the network coding opportunities efficiently. Since the coding opportunities are mostly exploited, our proposal achieves both higher energy efficiency and throughput performance than the original IEEE 802.15.4.

Qualification of cables to IEEE standards 323-1974 and 383-1974

International Nuclear Information System (INIS)

Hosticka, C.; Kingsbury, E.R.; Bruhin, A.C.

1980-01-01

Wire and Cable manufacturers generally qualify products for class IE application by envelope type testing to user specifications and environmental conditions recommended by IEEE Standards 323-1974 and 383-1974. The General Electric Wire and Cable Business Department recently completed two such qualification programs. Cable constructions tested were 600V control cables and 600 V, 2kV, and 15kV power cables insulated with flame resistant mineral filled crosslinked polyethylene. The 15kV samples included taped field splices. In the second test program, the steam pressure-temperature profile included a simulated main steam line break. Test specimens were wrapped on grounded mandrels and were electrically loaded throughout the simulated LOCA tests. After completion of environmental testing, samples were subjected to the IEEE 383 simulated post-LOCA test. 6 refs

Qualification of cables to IEEE standards 323-1974 and 383-1974

International Nuclear Information System (INIS)

Hosticka, C.; Kingsbury, E.R.; Bruhin, A.C.

1980-01-01

Wire and Cable manufacturers generally qualify products for class IE application by envelope type testing to user specifications and environmental conditions recommended by IEEE Standards 323-1974 and 383-1974. The General Electric Wire and Cable Business Department recently completed two such qualification programs. Cable constructions tested were 600V control cables and 600 V, 2KV, and 15KV power cables insulated with flame resistant mineral filled crosslinked polyethylene. The 15KV samples included taped field splices. In the second test program, the steam pressure-temperature profile included a simulated main steam line break. Test specimens were wrapped on grounded mandrels and were electrically loaded throughout the simulated LOCA tests. After completion of environmental testing, samples were subjected to the IEEE 383 simulated post-LOCA test. 6 refs

ENHANCING WRITING SKILL THROUGH WRITING PROCESS APPROACH

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M. Zaini Miftah

2015-03-01

Full Text Available The study is aimed at developing the implementation of Writing Process Approach (WPA to enhance the students’ skill in writing essay. The study employed Classroom Action Research. The subjects of the study were 15 university students enrolled in the writing class. The data were gained from writing task, observation and field notes. The findings show that the implementation of WPA with the proper model procedures developed can enhance the students’ skill in writing essay. Before the strategy was implemented, the percentage of the students achieving the score greater than or equal to C (56-70 was 40.00% (6 students of the class. However, after the strategy was implemented in Cycle I, it enhanced enough to 60.00% (9 students of the class, but this result did not meet the criteria of success set up in the study. Next, in Cycle II it increased slightly to 86.67% (13 students of the class. Thus, the enhancement of the students’ skill in writing essay can be reached but it should follow the proper model procedures of the implementation of WPA developed. Keywords: writing process approach, writing skill, essay writing

ENHANCING WRITING SKILL THROUGH WRITING PROCESS APPROACH

OpenAIRE

M. Zaini Miftah

2015-01-01

The study is aimed at developing the implementation of Writing Process Approach (WPA) to enhance the students’ skill in writing essay. The study employed Classroom Action Research. The subjects of the study were 15 university students enrolled in the writing class. The data were gained from writing task, observation and field notes. The findings show that the implementation of WPA with the proper model procedures developed can enhance the students’ skill in writing essay. Before the strategy ...

The scalable coherent interface, IEEE P1596, status and possible applications to data acquisition and physics

International Nuclear Information System (INIS)

Gustavson, D.B.

1990-01-01

IEEE P1596, the Scalable Coherent Interface (formerly known as SuperBus) is based on experience gained while developing Fastbus (ANSI/IEEE 960-1986, IEC 935), Futurebus (IEEE P896.x) and other modern 32-bit buses. SCI goals include a minimum bandwidth of 1 GByte/sec per processor in multiprocessor systems with thousands of processors; efficient support of a coherent distributed-cache image of distributed shared memory; support for repeaters which interface to existing or future buses; and support for inexpensive small rings as well as for general switched interconnections like Banyan, Omega, or crossbar networks. This paper presents a summary of current directions, reports the status of the work in progress, and suggests some applications in data acquisition and physics. 7 refs

Defending IEEE 802.11-Based Networks Against Denial Of Service Attacks

National Research Council Canada - National Science Library

Tan, Boon

2003-01-01

The convenience of IEEE 8O2.11-based wireless access networks has led to widespread deployment in the consumer, industrial and military sectors However, this use is predicated on an implicit assumption of confidentiality...

IEEE Std 101-1987: IEEE guide for the statistical analysis of thermal life test data

International Nuclear Information System (INIS)

Anon.

1992-01-01

This revision of IEEE Std 101-1972 describes statistical analyses for data from thermally accelerated aging tests. It explains the basis and use of statistical calculations for an engineer or scientist. Accelerated test procedures usually call for a number of specimens to be aged at each of several temperatures appreciably above normal operating temperatures. High temperatures are chosen to produce specimen failures (according to specified failure criteria) in typically one week to one year. The test objective is to determine the dependence of median life on temperature from the data, and to estimate, by extrapolation, the median life to be expected at service temperature. This guide presents methods for analyzing such data and for comparing test data on different materials

The tree identify protocol of IEEE 1394 in uCRL

NARCIS (Netherlands)

C. Shankland; M.B. van der Zwaag

1998-01-01

textabstractWe specify the tree identify protocol of the IEEE 1394 high performance serial multimedia bus at three different levels of detail using $mu$CRL. We use the cones and foci verification technique of Groote and Springintveld to show that the descriptions are equivalent under branching

IEEE Std 649-1991: IEEE standard for qualifying Class 1E motor control centers for nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1993-01-01

The basic principles, requirements, and methods for qualifying Class 1E motor control centers for both harsh and mild environment applications in nuclear power generating stations are described. In addition to defining specific qualification requirements for Class 1E motor control centers and their components in accordance with the more general qualification requirements of IEEE Std 323-1983, this standard is intended to provide guidance in establishing a qualification program for demonstrating the adequacy of Class 1E motor control centers in nuclear power generating station applications

We learn to write by reading, but writing can make you smarter We learn to write by reading, but writing can make you smarter

Directory of Open Access Journals (Sweden)

Stephen Krashen

2008-04-01

Full Text Available My goal in this paper is to make Iwo points: Writing style does not come from writing or from direct instruction, but from reading. Actual writing can help us solve problems and can make us smarter. Writing Style Comes from Readino, A substantial amount of research strongly suggests that we learn to write by reading. To be more precise, we acquire writing style, the special language of writing, by reading. Hypothesizing that writing style comes from reading, not from writing or instniction, is consistent with what is known about language acquisition: Most of language acquisition lakes place subconsciously, not through deliberate study, and it is a result of input (comprehension, not output (production (Krashen, 1982. My goal in this paper is to make Iwo points: Writing style does not come from writing or from direct instruction, but from reading. Actual writing can help us solve problems and can make us smarter. Writing Style Comes from Readino, A substantial amount of research strongly suggests that we learn to write by reading. To be more precise, we acquire writing style, the special language of writing, by reading. Hypothesizing that writing style comes from reading, not from writing or instniction, is consistent with what is known about language acquisition: Most of language acquisition lakes place subconsciously, not through deliberate study, and it is a result of input (comprehension, not output (production (Krashen, 1982.

IEEE 802.3 Fiber Optic Inter-Repeater Link

Science.gov (United States)

Tarrant, Peter J.

1987-01-01

This paper describes the implementation of a fiber optic inter-repeater link (FOIRL), used for connecting two remote copper segments of an IEEE 802.3 local area network. The rationale for the design, the signalling used and the collision detection mechanism is discussed. The evolution of the draft international standard for the FOIRL and the concurrence amongst various manufacturers is also presented. Finally some examples of typical applications, highlighting the ease of installation, are given.

ARC Researchers at IEEE 2015 Vehicle Power and Propulsion Conference

Science.gov (United States)

Contacts Researchers News & Events Event Calendar Annual Program Review Research Seminars Press Room Event Archives ARC Researchers at the IEEE 2015 Vehicle Power and Propulsion Conference (October 19-22 Ballroom B P-SS4-2 Comparison of SOFC and PEM Fuel Cell Hybrid Power Management Strategies for Mobile

We learn to write by reading, but writing can make you smarter We learn to write by reading, but writing can make you smarter

Directory of Open Access Journals (Sweden)

Stephen Krashen

2008-04-01

Full Text Available My goal in this paper is to make two points: 1. Writing style does not come from writing or from direct instruction, but from reading. 2. Actual writing can help us solve problems and can make us smarter. Writing Style Comes from Reading A substantial amount of research slrongly suggests that wc learn to write by reading. To be more precise, wc acquire writing style, the special language of writing, by reading. Hypothesizing that writing style comes from reading, not from writing or instruction, is consistent with what is known about language acquisition: Most of language acquisition takes place subconsciously, not through deliberate study, and it is a result of input (comprehension, not output (production (Krashen, 1982. Thus, if you wrile a page a day, your writing style or your command of mechanics will not improve. On Ihe other hand, other good things may result from your writing, as we shall see in the second section of this paper. My goal in this paper is to make two points: 1. Writing style does not come from writing or from direct instruction, but from reading. 2. Actual writing can help us solve problems and can make us smarter. Writing Style Comes from Reading A substantial amount of research slrongly suggests that wc learn to write by reading. To be more precise, wc acquire writing style, the special language of writing, by reading. Hypothesizing that writing style comes from reading, not from writing or instruction, is consistent with what is known about language acquisition: Most of language acquisition takes place subconsciously, not through deliberate study, and it is a result of input (comprehension, not output (production (Krashen, 1982. Thus, if you wrile a page a day, your writing style or your command of mechanics will not improve. On Ihe other hand, other good things may result from your writing, as we shall see in the second section of this paper.

Analysis and Enhancement of IEEE 802.15.4e DSME Beacon Scheduling Model

Directory of Open Access Journals (Sweden)

Kwang-il Hwang

2014-01-01

Full Text Available In order to construct a successful Internet of things (IoT, reliable network construction and maintenance in a sensor domain should be supported. However, IEEE 802.15.4, which is the most representative wireless standard for IoT, still has problems in constructing a large-scale sensor network, such as beacon collision. To overcome some problems in IEEE 802.15.4, the 15.4e task group proposed various different modes of operation. Particularly, the IEEE 802.15.4e deterministic and synchronous multichannel extension (DSME mode presents a novel scheduling model to solve beacon collision problems. However, the DSME model specified in the 15.4e draft does not present a concrete design model but a conceptual abstract model. Therefore, in this paper we introduce a DSME beacon scheduling model and present a concrete design model. Furthermore, validity and performance of DSME are evaluated through experiments. Based on experiment results, we analyze the problems and limitations of DSME, present solutions step by step, and finally propose an enhanced DSME beacon scheduling model. Through additional experiments, we prove the performance superiority of enhanced DSME.

A Fast MAC-Layer Handover for an IEEE 802.16e-Based WMAN

Science.gov (United States)

Ray, Sayan K.; Pawlikowski, Krzysztof; Sirisena, Harsha

We propose a modification of the IEEE 802.16e hard handover (HHO) procedure, which significantly reduces the handover latency constraint of the original HHO procedure in IEEE 802.16e networks. It allows a better handling of the delay-sensitive traffic by avoiding unnecessary time-consuming scanning and synchronization activity as well as simplifies the network re-entry procedure. With the help of the backhaul network, it reduces the number of control messages in the original handover policy, making the handover latency acceptable also for real-time streaming traffic. Preliminary performance evaluation studies show that the modified handover procedure is able to reduce the total handover latency by about 50%.

The IEEE 1355 Standard. Developments, performance and application in high energy physics

International Nuclear Information System (INIS)

Haas, S.

1998-12-01

The data acquisition systems of the next generation High Energy Physics experiments at the Large Hadron Collider (LHC) at CERN will rely on high-speed point-to-point links and switching networks for their higher level trigger and event building systems. This thesis provides a detailed evaluation of the DS-Link and switch technology, which is based on the IEEE 1355 standard for Heterogeneous Interconnect (HIC). The DS-Link is a bidirectional point-to-point serial interconnect, operating at speeds up to 200 MBaud. The objective of this thesis was to study the performance of the IEEE 1355 link and switch technology and to demonstrate that switching networks using this technology would scale to meet the requirements of the High Energy Physics applications

Passionate Writing

DEFF Research Database (Denmark)

Borgström, Benedikte

With care of writing as a method of inquiry, this paper engages in academic writing such as responsible knowledge development drawing on emotion, thought and reason. The aim of the paper is to better understand emancipatory knowledge development. Bodily experiences and responses shape academic...... writing and there are possibilities for responsible academic writing in that iterative process. I propose that academic writing can be seen as possibilities of passionate as well as passive writing....

A PROPOSED NOVEL ARCHITECTURE OF EC CONTROL SYSTEM USING IEEE 802.11n NETWORK AT ITER-INDIA GYROTRON TEST FACILITY

Directory of Open Access Journals (Sweden)

Deepak Mandge

2017-06-01

Full Text Available IEEE 802.11 Wi-Fi networks are increasingly becoming popular for its use in industrial applications. With the availability of recent amendments to IEEE 802.11 series of standards, particularly IEEE 802.11n, the adoption of Wi-Fi networks for process automation is gaining more focus and importance. The installation of Wireless networks naturally provides reduction in cable and its maintenance related costs, provides increased flexibility and mobility to enhance performance of industrial control system. The IEEE 802.11n supports parameterization that can be set for particular industrial applications and hence it has addressed to the aspects of timeliness and criticality to some extent. This paper proposes the use of IEEE 802.11n network to interconnect field instruments with Siemens PLC controller in harsh EMI/EMC environment. An application example is shown where the alternate control system architecture is developed in which non-critical and non-safety signals are communicated over Wi-Fi. While, for critical and safety signals, traditional hardwired signals methods can be implemented.

Homeland Security Affairs Journal, Supplement - 2012: IEEE 2011 Conference on Technology for Homeland Security: Best Papers

OpenAIRE

2012-01-01

Homeland Security Affairs is the peer-reviewed online journal of the Naval Postgraduate School Center for Homeland Defense and Security (CHDS), providing a forum to propose and debate strategies, policies, and organizational arrangements to strengthen U.S. homeland security. The instructors, participants, alumni, and partners of CHDS represent the leading subject matter experts and practitioners in the field of homeland security. IEEE Supplement 2012. Supplement: IEEE 2011 Conference on Te...

FPGA implementation cost and performance evaluation of IEEE 802.11 protocol encryption security schemes

Science.gov (United States)

Sklavos, N.; Selimis, G.; Koufopavlou, O.

2005-01-01

The explosive growth of internet and consumer demand for mobility has fuelled the exponential growth of wireless communications and networks. Mobile users want access to services and information, from both internet and personal devices, from a range of locations without the use of a cable medium. IEEE 802.11 is one of the most widely used wireless standards of our days. The amount of access and mobility into wireless networks requires a security infrastructure that protects communication within that network. The security of this protocol is based on the wired equivalent privacy (WEP) scheme. Currently, all the IEEE 802.11 market products support WEP. But recently, the 802.11i working group introduced the advanced encryption standard (AES), as the security scheme for the future IEEE 802.11 applications. In this paper, the hardware integrations of WEP and AES are studied. A field programmable gate array (FPGA) device has been used as the hardware implementation platform, for a fair comparison between the two security schemes. Measurements for the FPGA implementation cost, operating frequency, power consumption and performance are given.

Performance Evaluation of Beacon-Enabled Mode for IEEE 802.15.4 Wireless Sensor Network

Directory of Open Access Journals (Sweden)

M. Udin Harun Al Rasyid

2013-12-01

Full Text Available IEEE 802.15.5 standard support structure of star and peer-to-peer network formation. Strating from these, the cluster tree network can be built as a special case of peer-to-peer network to increse coverage area. In this paper, we provide an performance evaluation of beacon- enabled mode for IEEE 802.15.4 wireless sensor network on star and cluster topology in order to get the maximum result to apply the appropriate topology model as needed. We conduct analysis on each topology model by using the numbers of nodes from 10 nodes to 100 nodes to analyze throughput, delay, energy consumption, and probability success packet by using NS2 simulator. The simulation results show that the throughput and the probability of success packet of cluster topology are higher than that of star topology, and the energy consumption of cluster topology is lesser than that of star topology. However, cluster topology increases the delay more than star topology. Keywords: IEEE 802.15.4, wireless sensor network, beacon-enabled mode, topology, csma/ca

FPGA implementation cost and performance evaluation of IEEE 802.11 protocol encryption security schemes

International Nuclear Information System (INIS)

Sklavos, N; Selimis, G; Koufopavlou, O

2005-01-01

The explosive growth of internet and consumer demand for mobility has fuelled the exponential growth of wireless communications and networks. Mobile users want access to services and information, from both internet and personal devices, from a range of locations without the use of a cable medium. IEEE 802.11 is one of the most widely used wireless standards of our days. The amount of access and mobility into wireless networks requires a security infrastructure that protects communication within that network. The security of this protocol is based on the wired equivalent privacy (WEP) scheme. Currently, all the IEEE 802.11 market products support WEP. But recently, the 802.11i working group introduced the advanced encryption standard (AES), as the security scheme for the future IEEE 802.11 applications. In this paper, the hardware integrations of WEP and AES are studied. A field programmable gate array (FPGA) device has been used as the hardware implementation platform, for a fair comparison between the two security schemes. Measurements for the FPGA implementation cost, operating frequency, power consumption and performance are given

Validation of IEEE P1547.1 Interconnection Test Procedures: ASCO 7000 Soft Load Transfer System

Energy Technology Data Exchange (ETDEWEB)

Kroposki, B.; Englebretson, S.; Pink, C.; Daley, J.; Siciliano, R.; Hinton, D.

2003-09-01

This report presents the preliminary results of testing the ASCO 7000 Soft Load Transfer System according to IEEE P1547.1 procedures. The ASCO system interconnects synchronous generators with the electric power system and provides monitoring and control for the generator and grid connection through extensive protective functions. The purpose of this testing is to evaluate and give feedback on the contents of IEEE Draft Standard P1547.1 Conformance Tests Procedures for Equipment Interconnecting Distributed Resources With Electric Power Systems.

Writing by the Book, Writing beyond the Book

Science.gov (United States)

Johnson, Kristine

2017-01-01

Writing has become more visible in academia through writing advice manuals and the faculty development activities they inspire. In this article, I examine writing advice manuals and argue they are epistemologically current traditional, which limits how well and how far they can support scholarly writers. Writing advice manuals and composition…

Editorial for the IEEE Transactions on Power Electronics, January 2009

DEFF Research Database (Denmark)

Blaabjerg, Frede

2009-01-01

I am entering the fourth year as the Editor in Chief of the IEEE TRANSACTIONS ON POWER ELECTRONICS. A position like this becomes more and more important for the technical field as publishing in a peer-reviewed highly ranked journal has influence on the industrial and academic career. It is a way...

An IEEE 802.11 EDCA Model with Support for Analysing Networks with Misbehaving Nodes

Directory of Open Access Journals (Sweden)

Szott Szymon

2010-01-01

Full Text Available We present a novel model of IEEE 802.11 EDCA with support for analysing networks with misbehaving nodes. In particular, we consider backoff misbehaviour. Firstly, we verify the model by extensive simulation analysis and by comparing it to three other IEEE 802.11 models. The results show that our model behaves satisfactorily and outperforms other widely acknowledged models. Secondly, a comparison with simulation results in several scenarios with misbehaving nodes proves that our model performs correctly for these scenarios. The proposed model can, therefore, be considered as an original contribution to the area of EDCA models and backoff misbehaviour.

Ever Since the World Began: A Reading & Interview with Masha Tupitsyn

OpenAIRE

Masha Tupitsyn

2013-01-01

Writer and cultural critic Masha Tupitsyn is interviewed on her audio recording of her reading Ever Since This World Began, produced specially for this issue of continent. and adapted from her recently published Love Dog (Success and Failure) out from Penny-Ante Editions.

Transient Stability Improvement of IEEE 9 Bus System Using Power World Simulator

Directory of Open Access Journals (Sweden)

Kaur Ramandeep

2016-01-01

Full Text Available The improvement of transient stability of power system was one of the most challenging research areas in power engineer.The main aim of this paper was transient stability analysis and improvement of IEEE 9 bus system. These studies were computed using POWER WORLD SIMULATOR. The IEEE 9 bus system was modelled in power world simulator and load flow studies were performed to determine pre-fault conditions in the system using Newton-Raphson method. The transient stability analysis was carried out using Runga method during three-phase balanced fault. For the improvement transient stability, the general methods adopted were fast acting exciters, FACT devices and addition of parallel transmission line. These techniques play an important role in improving the transient stability, increasing transmission capacity and damping low frequency oscillations.

Technical writing versus technical writing

Science.gov (United States)

Dillingham, J. W.

1981-01-01

Two terms, two job categories, 'technical writer' and 'technical author' are discussed in terms of industrial and business requirements and standards. A distinction between 'technical writing' and technical 'writing' is made. The term 'technical editor' is also considered. Problems inherent in the design of programs to prepare and train students for these jobs are discussed. A closer alliance between industry and academia is suggested as a means of preparing students with competent technical communication skills (especially writing and editing skills) and good technical skills.

Evaluation of the Effects of Hidden Node Problems in IEEE 802.15.7 Uplink Performance.

Science.gov (United States)

Ley-Bosch, Carlos; Alonso-González, Itziar; Sánchez-Rodríguez, David; Ramírez-Casañas, Carlos

2016-02-06

In the last few years, the increasing use of LEDs in illumination systems has been conducted due to the emergence of Visible Light Communication (VLC) technologies, in which data communication is performed by transmitting through the visible band of the electromagnetic spectrum. In 2011, the Institute of Electrical and Electronics Engineers (IEEE) published the IEEE 802.15.7 standard for Wireless Personal Area Networks based on VLC. Due to limitations in the coverage of the transmitted signal, wireless networks can suffer from the hidden node problems, when there are nodes in the network whose transmissions are not detected by other nodes. This problem can cause an important degradation in communications when they are made by means of the Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) access control method, which is used in IEEE 802.15.7 This research work evaluates the effects of the hidden node problem in the performance of the IEEE 802.15.7 standard We implement a simulator and analyze VLC performance in terms of parameters like end-to-end goodput and message loss rate. As part of this research work, a solution to the hidden node problem is proposed, based on the use of idle patterns defined in the standard. Idle patterns are sent by the network coordinator node to communicate to the other nodes that there is an ongoing transmission. The validity of the proposed solution is demonstrated with simulation results.

Simultaneous transmission of the IEEE 802.11 radio signal and optical Gbit Ethernet over the multimode fiber link

Science.gov (United States)

Maksymiuk, L.; Podziewski, A.

2015-09-01

In the paper we present a successful joint transmission of the IEEE 802.11 signal and an optical Gbit Ethernet over a multimode fiber based link. Most importantly, the multiplexation of both signals was performed in the optical domain. Due to the utilization of the multimode fiber the OBI noise was avoided and both channels were able to operate at the same wavelength. We prove that potential RoF link for IEEE 802.11 signal distribution may be used to additionally transmit other signals as Gbit Ethernet and therefore utilize the fiber infrastructure installed more effectively. The qualities of both the IEEE 802.11 and Ethernet transmissions fulfilled the requirements imposed by appropriate standards.

Stop. Write! Writing Grounded Theory

Directory of Open Access Journals (Sweden)

Barney G. Glaser, PhD, Hon. PhD

2012-06-01

Full Text Available The message in this book, the dictum in this book, is to stop and write when the Grounded Theory (GT methodology puts you in that ready position. Stop unending conceptualization, unending data coverage, and unending listening to others who would egg you on with additional data, ideas and/or requirements or simply wait too long. I will discuss these ideas in detail. My experience with PhD candidates is that for the few who write when ready, many do not and SHOULD. Simply put, many write-up, but many more should.

Ever Since the World Began: A Reading & Interview with Masha Tupitsyn

Directory of Open Access Journals (Sweden)

Masha Tupitsyn

2013-07-01

Full Text Available Writer and cultural critic Masha Tupitsyn is interviewed on her audio recording of her reading Ever Since This World Began, produced specially for this issue of continent. and adapted from her recently published Love Dog (Success and Failure out from Penny-Ante Editions.

Implementation of IEEE-1588 timing and synchronization for ATCA control and data acquisition systems

International Nuclear Information System (INIS)

Correia, Miguel; Sousa, Jorge; Combo, Álvaro; Rodrigues, António P.; Carvalho, Bernardo B.; Batista, António J.N.; Gonçalves, Bruno; Correia, Carlos M.B.A.; Varandas, Carlos A.F.

2012-01-01

Highlights: ► IEEE-1588 over Ethernet protocol is implemented for the synchronization of all clock signals of an ATCA AMC carrier module. ► The ATCA hardware consists of an AMC quad-carrier main-board with PCI Express switching. ► IEEE-1588 is to be implemented on a Virtex-6 FPGA. ► Timing signals on the ATX-AMC4-PTP are managed and routed by a crosspoint-switch implemented on a Virtex-6 FPGA. ► Each clock signal source may be independently located (on each of the AMC cards, RTM or ATCA backplane). - Abstract: Control and data acquisition (C and DA) systems for Fusion experiments are required to provide accurate timing and synchronization (T and S) signals to all of its components. IPFN adopted PICMG's Advanced Telecommunications Computing Architecture (ATCA) industry standard to develop C and DA instrumentation. ATCA was chosen not only for its high throughput characteristics but also for its high availability (HA) features which become of greater importance in steady-state operation scenarios. However, the specified ATCA clock and synchronization interface may be too limited for the timing and synchronization needs in advanced Physics experiments. Upcoming specification extensions, developed by the “xTCA for Physics” workgroups, will contemplate, among others, a complementary timing specification, developed by the PICMG xTCA for Physics IO, Timing and Synchronization Technical Committee. The IEEE-1588 Precision Time Protocol (PTP) over Ethernet is one of the protocols, proposed by the Committee, aiming for precise synchronization of clocks in measurement and control systems, based on low jitter and slave-to-slave skew criteria. The paper presents an implementation of IEEE-1588 over Ethernet, in an ATCA hardware platform. The ATCA hardware consists of an Advanced Mezzanine Card (AMC) quad-carrier front board with PCI Express switching. IEEE-1588 is to be implemented on a Virtex-6 FPGA. Ethernet connectivity with the remote master clock is located on

Writing Workshop.

Science.gov (United States)

Novelli, Joan

2001-01-01

Six ideas for writing autobiographies with elementary school students include: model the writing process to get students started; read examples of autobiographies; brainstorm writing ideas; free-write the first draft; edit and revise; and publish the stories. Suggestions for mini-lessons are included. A student reproducible offers an editing…

Learning to Write with Interactive Writing Instruction

Science.gov (United States)

Williams, Cheri

2018-01-01

Interactive writing is a process-oriented instructional approach designed to make the composing and encoding processes of writing overt and explicit for young students who are learning to write. It is particularly suitable for students who struggle with literacy learning. This article describes one first-grade teacher's use of interactive writing…

Comparison of IEEE383-2003 and IEC60505-2004 standards for harmonization of environmental qualification procedure of electric cable

International Nuclear Information System (INIS)

Kim, Jong Seog; Jeong, Sun Chul; Park, Kyung Heum; Jang, Kyung Nam

2010-01-01

Needs for harmonization of international equipment qualification(EQ) standards have been raised several years due to purchasing problem of nuclear equipment supplied from abroad country. To meet the regulatory requirement of domestic nuclear power plant, manufacturers have to qualify their equipment in accordance with each standard such as IEEE, IEC and RCC-E. Double qualification increase the equipment cost, which result in high construction cost. Even the unification of each standard have been discussed several years, we have got the long way to go yet. Comparison and harmonization of each international standard will give help to purchase the equipment qualified by not endorsed standard. Environmental qualification, seismic qualification and EMI/EMC qualification are major targets for harmonization. Since concern about cable qualification of 60 years life has been raised recently, harmonization of cable qualification standard also needs to be discussed. KEPRI launched a project for harmonization of EQ relative standards such as IEEE, IEC and RCC-E. A study for harmonization of IEEE323 and IEC60780 is known in progress by IEEE committee. In this paper, harmonization of international standards for cable qualification will be discussed. IEEE383 standard is qualification standard for electric cable broadly used in Asian pacific area while IEC60505 is mostly used in European area. Since these two standards have different requirements for environmental qualification of cable, problem can be happened in the plant site when they purchase cable qualified by not endorsed standard. IEEE383-2003 and IEC60505-2004 is the latest version of each standard. Comparison results and recommendations for harmonization of these two standards are introduced herein

An Improved Cross-Layering Design for IPv6 Fast Handover with IEEE 802.16m Entry Before Break Handover

Science.gov (United States)

Kim, Ronny Yongho; Jung, Inuk; Kim, Young Yong

IEEE 802.16m is an advanced air interface standard which is under development for IMT-Advanced systems, known as 4G systems. IEEE 802.16m is designed to provide a high data rate and a Quality of Service (QoS) level in order to meet user service requirements, and is especially suitable for mobilized environments. There are several factors that have great impact on such requirements. As one of the major factors, we mainly focus on latency issues. In IEEE 802.16m, an enhanced layer 2 handover scheme, described as Entry Before Break (EBB) was proposed and adopted to reduce handover latency. EBB provides significant handover interruption time reduction with respect to the legacy IEEE 802.16 handover scheme. Fast handovers for mobile IPv6 (FMIPv6) was standardized by Internet Engineering Task Force (IETF) in order to provide reduced handover interruption time from IP layer perspective. Since FMIPv6 utilizes link layer triggers to reduce handover latency, it is very critical to jointly design FMIPv6 with its underlying link layer protocol. However, FMIPv6 based on new handover scheme, EBB has not been proposed. In this paper, we propose an improved cross-layering design for FMIPv6 based on the IEEE 802.16m EBB handover. In comparison with the conventional FMIPv6 based on the legacy IEEE 802.16 network, the overall handover interruption time can be significantly reduced by employing the proposed design. Benefits of this improvement on latency reduction for mobile user applications are thoroughly investigated with both numerical analysis and simulation on various IP applications.

Spectrum-efficient multi-channel design for coexisting IEEE 802.15.4 networks: A stochastic geometry approach

KAUST Repository

Elsawy, Hesham

2014-07-01

For networks with random topologies (e.g., wireless ad-hoc and sensor networks) and dynamically varying channel gains, choosing the long term operating parameters that optimize the network performance metrics is very challenging. In this paper, we use stochastic geometry analysis to develop a novel framework to design spectrum-efficient multi-channel random wireless networks based on the IEEE 802.15.4 standard. The proposed framework maximizes both spatial and time domain frequency utilization under channel gain uncertainties to minimize the number of frequency channels required to accommodate a certain population of coexisting IEEE 802.15.4 networks. The performance metrics are the outage probability and the self admission failure probability. We relax the single channel assumption that has been used traditionally in the stochastic geometry analysis. We show that the intensity of the admitted networks does not increase linearly with the number of channels and the rate of increase of the intensity of the admitted networks decreases with the number of channels. By using graph theory, we obtain the minimum required number of channels to accommodate a certain intensity of coexisting networks under a self admission failure probability constraint. To this end, we design a superframe structure for the coexisting IEEE 802.15.4 networks and a method for time-domain interference alignment. © 2002-2012 IEEE.

Analysis Of Impact Of Various Parameters On BER Performance For IEEE 802.11b

Directory of Open Access Journals (Sweden)

Nilesh B. Kalani

2015-08-01

Full Text Available Abstract This paper discusses about IEEE 802.11b simulation model implemented using LabVIEW software and its analyses for impact on bit error rate BER for different parameters as channel type channel number data transmission rate and packet size. Audio file is being transmitted processed and analyzed using the model for various parameters. This paper gives analysis of BER verses ESN0 for various parameter like data rate packet size and communication channel for the IEEE 802.11b simulation model generated using LabVIEW. It is proved that BER can be optimized by tweaking different parameters of wireless communication system.

Diseño y verificación de un amplificador para IEEE802.16

OpenAIRE

Lloret Arjona, Patricia

2005-01-01

Hace más de 6 años se empezó a gestar el IEEE802.16, un estándar para una nueva tecnología inalámbrica de banda ancha. El primer capítulo consiste en una introducción sobre este estándar, su evolución, las diferentes versiones que han ido apareciendo y las características principales de cada una de ellas, seguido de un pequeño comentario sobre su faceta comercial, WiMAX. El IEEE802.16 está empezando a tener relevancia, de modo que se decidió realizar un amplificador capaz de...

Service differentiated and adaptive CSMA/CA over IEEE 802.15.4 for Cyber-Physical Systems.

Science.gov (United States)

Xia, Feng; Li, Jie; Hao, Ruonan; Kong, Xiangjie; Gao, Ruixia

2013-01-01

Cyber-Physical Systems (CPS) that collect, exchange, manage information, and coordinate actions are an integral part of the Smart Grid. In addition, Quality of Service (QoS) provisioning in CPS, especially in the wireless sensor/actuator networks, plays an essential role in Smart Grid applications. IEEE 802.15.4, which is one of the most widely used communication protocols in this area, still needs to be improved to meet multiple QoS requirements. This is because IEEE 802.15.4 slotted Carrier Sense Multiple Access/Collision Avoidance (CSMA/CA) employs static parameter configuration without supporting differentiated services and network self-adaptivity. To address this issue, this paper proposes a priority-based Service Differentiated and Adaptive CSMA/CA (SDA-CSMA/CA) algorithm to provide differentiated QoS for various Smart Grid applications as well as dynamically initialize backoff exponent according to traffic conditions. Simulation results demonstrate that the proposed SDA-CSMA/CA scheme significantly outperforms the IEEE 802.15.4 slotted CSMA/CA in terms of effective data rate, packet loss rate, and average delay.

Outdoor Long-Range WLANs : A Lesson for IEEE 802.11ah

NARCIS (Netherlands)

Aust, Stefan; Venkatesha Prasad, R.; Niemegeers, Ignas G M M

2015-01-01

Several service applications have been reported by many who proposed the use of wireless LANs (WLANs) over a wide variety of outdoor deployments. In particular, the upcoming IEEE 802.11ah WLAN protocol will enable a longer transmission range between WLAN access points (APs) and stations (STAs) up to

Writing Inspired

Science.gov (United States)

Tischhauser, Karen

2015-01-01

Students need inspiration to write. Assigning is not teaching. In order to inspire students to write fiction worth reading, teachers must take them through the process of writing. Physical objects inspire good writing with depth. In this article, the reader will be taken through the process of inspiring young writers through the use of boxes.…

Performance Analysis of Non-saturated IEEE 802.11 DCF Networks

Science.gov (United States)

Zhai, Linbo; Zhang, Xiaomin; Xie, Gang

This letter presents a model with queueing theory to analyze the performance of non-saturated IEEE 802.11 DCF networks. We use the closed queueing network model and derive an approximate representation of throughput which can reveal the relationship between the throughput and the total offered load under finite traffic load conditions. The accuracy of the model is verified by extensive simulations.

Reflective writing: the student nurse's perspective on reflective writing and poetry writing.

Science.gov (United States)

Coleman, Dawn; Willis, Diane S

2015-07-01

Reflective writing is a mandatory part of nurse education but how students develop their skills and use reflection as part of their experiential learning remains relatively unknown. Understanding reflective writing in all forms from the perspective of a student nurse is therefore important. To explore the use of reflective writing and the use of poetry in pre-registered nursing students. A qualitative design was employed to explore reflective writing in pre-registered nursing students. A small university in Scotland. BSc (Hons) Adult and Mental Health Pre-registration Student Nurses. Two focus groups were conducted with 10 student nurses during March 2012. Data was analysed thematically using the framework of McCarthy (1999). Students found the process of reflective writing daunting but valued it over time. Current educational methods, such as assessing reflective accounts, often lead to the 'narrative' being watered down and the student feeling judged. Despite this, reflection made students feel responsible for their own learning and research on the topic. Some students felt the use of models of reflection constricting, whilst poetry freed up their expression allowing them to demonstrate the compassion for their patient under their care. Poetry writing gives students the opportunity for freedom of expression, personal satisfaction and a closer connection with their patients, which the more formal approach to reflective writing did not offer. There is a need for students to have a safe and supportive forum in which to express and have their experiences acknowledged without the fear of being judged. Crown Copyright © 2015. Published by Elsevier Ltd. All rights reserved.

IEEE Std 381-1977: IEEE standard criteria for type tests of Class 1E modules used in nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1992-01-01

This document describes the basic requirements of a type test program with the objective of verifying that a module used as Class 1E equipment in a nuclear power generating station meets or exceeds its design specifications. This document is limited to class 1E modules from and including the sensor through the logic circuitry of the final actuation devices. Except for those that are part of a module, switchgear, cables, connections, motors, valve actuators, station batteries, and penetrations are not included and are covered by other IEEE documents. The purpose of this document is to supplement the procedures and requirements given in IEEE Std 323-1974 [24] for type testing Class 1E modules, thereby providing directions for establishment of a type test program which will obtain the required test data and yield the required documentation of test methods and results. This standard is structured to present to the user the principal performance characteristics and environmental parameters which must be considered in designing a type test program for any give Class 1E module. These modules range from tiny sensors to complete racks or cabinets full of equipment that may be located inside or outside containment. The Class 1E modules are required to perform their function before, during, or after, or all, any design basis event specified for the module. The vast variety of modules covered by this document precludes the listing here of specific requirements for each type test

IEEE 8023 ethernet, current status and future prospects at the LHC

CERN Document Server

Dobinson, Robert W; Haas, S; Martin, B; Le Vine, M J; Saka, F

2000-01-01

The status of the IEEE 802.3 standard is reviewed and prospects for the future, including the new 10 Gigabit version of Ethernet, are discussed. The relevance of Ethernet for experiments at the CERN Large Hadron Collider is considered, with emphasis on on-line applications and areas which are technically challenging. 8 Refs.

Problems and solutions in application of IEEE standards at Savannah River Site, Department of Energy (DOE) nuclear facilities

International Nuclear Information System (INIS)

Lee, Y.S.; Bowers, T.L.; Chopra, B.J.; Thompson, T.T.; Zimmerman, E.W.

1993-01-01

The Department of Energy (DOE) Nuclear Material Production Facilities at the Savannah River Site (SRS) were designed, constructed, and placed into operation in the early 1950's, based on existing industry codes/standards, design criteria, analytical procedures. Since that time, DOE has developed Orders and Polices for the planning, design and construction of DOE Nuclear Reactor Facilities which invoke or reference commercial nuclear reactor codes and standards. The application of IEEE reactor design requirements such as Equipment Qualification, Seismic Qualification, Single Failure Criteria, and Separation Requirement, to non-reactor facilities has been a problem since the IEEE reactor criteria do not directly confirm to the needs of non-reactor facilities. SRS Systems Engineering is developing a methodology for the application of IEEE Standards to non-reactor facilities at SRS

Neuroplasticity-based Cognitive and Linguistic Skills Training Improves Reading and Writing Skills in College Students

Directory of Open Access Journals (Sweden)

Beth eRogowsky

2013-03-01

Full Text Available This study reports an evaluation of the effect of computer-based cognitive and linguistic training on college students’ reading and writing skills. The computer-based training included a series of increasingly challenging software programs that were designed to strengthen students’ foundational cognitive skills (memory, attention span, processing speed, and sequencing in the context of listening and higher level reading tasks. Twenty-five college students (12 native English language; 13 English Second Language who demonstrated poor writing skills participated in the training group. The training group received daily training during the spring semester (11 weeks with the Fast ForWord Literacy (FFW-L and upper levels of the Fast ForWord Reading series (Levels 3, 4 and 5. The comparison group (n=28 selected from the general college population did not receive training. Both the training and comparison groups attended the same university. All students took the Gates MacGinitie Reading Test (GMRT and the Oral and Written Language Scales (OWLS Written Expression Scale at the beginning (Time 1 and end (Time 2 of the spring college semester. Results from this study showed that the training group made a statistically greater improvement from Time 1 to Time 2 in both their reading skills and their writing skills than the comparison group. The group who received training began with statistically lower writing skills before training, but exceeded the writing skills of the comparison group after training.

Integration of IEEE 1451 and HL7 exchanging information for patients' sensor data.

Science.gov (United States)

Kim, Wooshik; Lim, Suyoung; Ahn, Jinsoo; Nah, Jiyoung; Kim, Namhyun

2010-12-01

HL7 (Health Level 7) is a standard developed for exchanging incompatible healthcare information generated from programs or devices among heterogenous medical information systems. At present, HL7 is growing as a global standard. However, the HL7 standard does not support effective methods for treating data from various medical sensors, especially from mobile sensors. As ubiquitous systems are growing, HL7 must communicate with various medical transducers. In the area of sensor fields, IEEE 1451 is a group of standards for controlling transducers and for communicating data from/to various transducers. In this paper, we present the possibility of interoperability between the two standards, i.e., HL7 and IEEE 1451. After we present a method to integrate them and show the preliminary results of this approach.

A Cross-Layer Key Management Scheme for MIPv6 Fast Handover over IEEE 802.11 Wireless LAN

Directory of Open Access Journals (Sweden)

Chang-Seop Park

2015-01-01

Full Text Available A new key management and security scheme is proposed to integrate Layer Two (L2 and Layer Three (L3 keys for secure and fast Mobile IPv6 handover over IEEE 802.11 Wireless Local Area Network (WLAN. Unlike the original IEEE 802.11-based Mobile IPv6 Fast Handover (FMIPv6 that requires time-consuming IEEE 802.1x-based Extensible Authentication Protocol (EAP authentication on each L3 handover, the newly proposed key management and security scheme requires only one 802.1x-EAP regardless of how many L3 handovers occur. Therefore, the proposed scheme reduces the handover latency that results from a lengthy 802.1x-based EAP. The proposed key management and security scheme is extensively analyzed in terms of security and performance, and the proposed security scheme is shown to be more secure than those that were previously proposed.

Basic security measures for IEEE 802.11 wireless networks

OpenAIRE

Sarmiento, Oscar P.; Guerrero, Fabio G.; Rey Argote, David

2008-01-01

This article presents a tutorial/discussion of three commonly-used IEEE 802.11 wireless network security standards: WEP, WPA and WPA2. A detailed analysis of the RC4 algorithm supporting WEP is presented, including its vulnerabilities. The WPA and WPA2 encryption protocols’ most relevant aspects and technical characteristics are reviewed for a comparative analysis of the three standards in terms of the security they provide. Special attention has been paid to WEP encryption by using an educat...

Observing writing processes of struggling adult writers with collaborative writing

Directory of Open Access Journals (Sweden)

Afra Sturm

2016-10-01

Full Text Available This study investigated how struggling adult writers solve a writing task and what they know about writing and themselves as writers. The writing process of the adult writers was examined by combining three elements: the observation of collaborative writing tasks, analyses of their written texts, and structured individual interviews that included both retrospective and prospective parts. This methodical approach provides productive tools to assess writing processes and writing knowledge of struggling adult writers. The triangulation of data from the different sources is visualized in a case study. Findings from the case study suggest both similarities and differences between struggling adult and younger writers. Concerning the writing process of both groups, planning and revision play a limited role. However, alongside these similar limitations in their writing process, struggling adult writers distinguish themselves from their young counterparts through their relatively extensive knowledge about themselves as writers.

A Novel Prioritization Scheme to Improve QoS in IEEE 802.11e Networks

Directory of Open Access Journals (Sweden)

Navid Tadayon

2010-01-01

Full Text Available IEEE 802.11 WLAN utilizes a distributed function at its MAC layer, namely, DCF to access the wireless medium. Due to its distributed nature, DCF is able to guarantee working stability in a wireless medium while maintaining the assembling and maintenance cost in a low level. However, DCF is inefficient in dealing with real-time traffics due to its incapability on providing QoS. IEEE 802.11e was introduced as a supplementary standard to cope with this problem. This standard introduces an Enhanced Distributed Coordination Function (EDCF that works based on diff-Serve model and can serve multiple classes of traffics (by using different prioritizations schemes. With the emergence of new time-sensitive applications, EDCF has proved to be yet inefficient in dealing with these kinds of traffics because it could not provide network with well-differentiated QoS. In this study, we propose a novel prioritization scheme to improve QoS level in IEEE 802.11e network. In this scheme, we replace Uniform PDF with Gamma PDF, which has salient differentiating properties. We investigate the suitability and superiority of this scheme on furnishing network with well-differentiated QoS using probabilistic analysis. We strengthen our claims by extensive simulation runs.

IEEE C37.98-1987: IEEE standard seismic testing of relays

International Nuclear Information System (INIS)

Anon.

1992-01-01

This standard specifies the procedures to be used in the seismic testing of relays used in power system facilities. The standard is concerned with the determination of the seismic fragility level of relays and also gives recommendations for proof testing. The purpose of this standard is to establish procedures for determining the seismic capabilities of protective and auxiliary relays. These procedures employ what has been called fragility testing in IEEE Std 344-1987. To define the conditions for fragility testing of relays, parameters in three separate areas must be specified. In general, they are (1) the electrical settings and inputs to the relay, and other information to define its conditions during the test; (2) the change in state, deviation in operating characteristics or tolerances, or other change of performance of the relay that constitutes failure; (3) the seismic vibration environment to be imposed during the test. Since it is not possible to define the conditions for every conceivable application for all relays, those parameters, which in practice encompass the majority of applications, have been specified in this standard. When the application of the relay is other than as specified under any of (1), (2), and (3), or if it is not practical to apply existing results of fragility tests to that new application, then proof testing must be performed for that new case

IEEE C37.98-1978: IEEE standard seismic testing of relays

International Nuclear Information System (INIS)

Anon.

1992-01-01

This standard specifies the procedures to be used in the seismic testing of relays used in power system facilities. The standard is concerned with the determination of the seismic fragility level of relays and also gives recommendations for proof testing. The purpose of this standard is to establish procedures for determining the seismic capabilities of protective and auxiliary relays. These procedures employ what has been called fragility testing in ANSI/IEEE Std 344-1975, Recommended Practices for Seismic Qualification of Class 1E Equipment for Nuclear Power Generating Stations. In order to define the conditions for fragility testing of relays, parameters in three separate areas must be specified. In general they are: (1) the electrical settings and inputs to the relay, and other information to define its conditions during the test; (2) the change in state, deviation in operating characteristics or tolerances, or other change of performance of the relay which constitutes failure; (3) the seismic vibration environment to be imposed during the test. Since it is not possible to define the conditions for every conceivable application for all relays, those parameters, which in practice encompass the majority of applications, have been specified in this standard. When the application of the relay is other than as specified under any of (1), (2), and (3), or if it is not practical to apply existing results of fragility tests to that new case

2011 IEEE Visualization Contest Winner: Visualizing Unsteady Vortical Behavior of a Centrifugal Pump

KAUST Repository

Otto, Mathias; Kuhn, Alexander; Engelke, Wito; Theisel, Holger

2012-01-01

In the 2011 IEEE Visualization Contest, the dataset represented a high-resolution simulation of a centrifugal pump operating below optimal speed. The goal was to find suitable visualization techniques to identify regions of rotating stall

17th IEEE NPSS Real Time Conference – RT-2010

CERN Multimedia

Carlos Varandas

2010-01-01

Congress Centre of “Instituto Superior Técnico”, Lisboa, Portugal, 24-28 May, 2010 ABSTRACT SUBMISSION OPEN Abstract Submission Deadline: March 1st, 2010 Dear Sir/Madam, We are pleased to announce that abstract submission for the 17th IEEE NPSS Real Time Conference is now open on our web site. The deadline for submitting an abstract is 1st March 2010. Full conference details General Chairman

Incorporating antenna beamswitching technique into drivers for IEEE802.11 WLAN devices

CSIR Research Space (South Africa)

Mofolo, M

2015-11-23

Full Text Available the beamswitching technique for switched parasitic array (SPA) and electronically steerable parasitic array radiator (ESPAR) antennas in the drivers for IEEE802.11 WLAN devices. The modifications of the open source drivers (ath5k and ath9k) to enable real...

Influence of Writing Ability and Computation Skill on Mathematics Writing

Science.gov (United States)

Powell, Sarah R.; Hebert, Michael A.

2016-01-01

Mathematics standards expect students to communicate about mathematics using oral and written methods, and some high-stakes assessments ask students to answer mathematics questions by writing. Assumptions about mathematics communication via writing include (a) students possess writing skill, (b) students can transfer this writing skill to…

Science + Writing = Super Learning. Writing Workshop.

Science.gov (United States)

Bower, Paula Rogovin

1993-01-01

Article presents suggestions for motivating elementary students to learn by combining science and writing. The strategies include planning the right environment; teaching the scientific method; establishing a link to literature; and making time for students to observe, experiment, and write. (SM)

An improved IEEE 802.11 protocol for reliable data transmission in power distribution fault diagnosis

Energy Technology Data Exchange (ETDEWEB)

Campoccia, F.; Di Silvestre, M.L.; Sanseverino, E.R.; Zizzo, G. [Palermo Univ., Palermo (Italy)

2010-10-15

In power systems, on-line transmission between local units and the central unit can be done by means of power line communications or wireless technology. During an electrical fault, the reliability of the distribution system depends on the security of the timely protective and restorative actions on the network. This paper focused on the WiFi system because of its economy and ease of installation. However, WiFi systems are typically managed by the IEEE 802.11 protocol, which is not reliable in terms of security in data communication. In WiFi networks, data is divided into packets and sent in succession to reduce errors within the radio channel. The IEEE 802.11 protocol has high probability for loss of packets or delay in their transmission. In order to ensure the reliability of data transmission times between two terminal units connected by WiFi stations, a new protocol was derived by modifying the IEEE 802.11. The improvements of the new protocol were highlighted and its capability for the diagnostic service was verified. The modified protocol eliminates the danger of collisions between packets and optimizes the transmission time for sending information. 6 refs., 7 tabs., 8 figs.

Strategies for Optimal MAC Parameters Tuning in IEEE 802.15.6 Wearable Wireless Sensor Networks.

Science.gov (United States)

Alam, Muhammad Mahtab; Ben Hamida, Elyes

2015-09-01

Wireless body area networks (WBAN) has penetrated immensely in revolutionizing the classical heath-care system. Recently, number of WBAN applications has emerged which introduce potential limits to existing solutions. In particular, IEEE 802.15.6 standard has provided great flexibility, provisions and capabilities to deal emerging applications. In this paper, we investigate the application-specific throughput analysis by fine-tuning the physical (PHY) and medium access control (MAC) parameters of the IEEE 802.15.6 standard. Based on PHY characterizations in narrow band, at the MAC layer, carrier sense multiple access collision avoidance (CSMA/CA) and scheduled access protocols are extensively analyzed. It is concluded that, IEEE 802.15.6 standard can satisfy most of the WBANs applications throughput requirements by maximum achieving 680 Kbps. However, those emerging applications which require high quality audio or video transmissions, standard is not able to meet their constraints. Moreover, delay, energy efficiency and successful packet reception are considered as key performance metrics for comparing the MAC protocols. CSMA/CA protocol provides the best results to meet the delay constraints of medical and non-medical WBAN applications. Whereas, the scheduled access approach, performs very well both in energy efficiency and packet reception ratio.

Writing anxiety: an affective filter for essay writing instruction among ...

African Journals Online (AJOL)

This study which adopted the descriptive research design investigated the relationship between writing anxiety and students' achievement in essay writing. SS2 Students from six schools in Ibadan Metropolis were used for the study. The instruments used were Essay Writing Achievement Test(r=0.81) and Writing Anxiety ...

High school boys' and girls' writing conceptions and writing self-efficacy beliefs : what is their role in writing performance?

OpenAIRE

Villalón Molina, Ruth; Mateos, Mar; Cuevas, Isabel

2015-01-01

ABSTRACT: This study investigated the conceptions about writing and writing self-efficacy beliefs held by high school students in relation to the students’ gender as well as their associations with writing achievement. The results show that female students have more sophisticated writing conceptions than their male counterparts but no gender differences were found in writing self-efficacy beliefs. In addition, results reveal that writing self-efficacy beliefs and gender play an important role...

A distributed scheme to manage the dynamic coexistence of IEEE 802.15.4-based health-monitoring WBANs.

Science.gov (United States)

Deylami, Mohammad N; Jovanov, Emil

2014-01-01

The overlap of transmission ranges between wireless networks as a result of mobility is referred to as dynamic coexistence. The interference caused by coexistence may significantly affect the performance of wireless body area networks (WBANs) where reliability is particularly critical for health monitoring applications. In this paper, we analytically study the effects of dynamic coexistence on the operation of IEEE 802.15.4-based health monitoring WBANs. The current IEEE 802.15.4 standard lacks mechanisms for effectively managing the coexistence of mobile WBANs. Considering the specific characteristics and requirements of health monitoring WBANs, we propose the dynamic coexistence management (DCM) mechanism to make IEEE 802.15.4-based WBANs able to detect and mitigate the harmful effects of coexistence. We assess the effectiveness of this scheme using extensive OPNET simulations. Our results indicate that DCM improves the successful transmission rates of dynamically coexisting WBANs by 20%-25% for typical medical monitoring applications.

See, Say, Write: A Writing Routine for the Preschool Classroom

Science.gov (United States)

Copp, Stefanie B.; Cabell, Sonia Q.; Tortorelli, Laura S.

2016-01-01

See, Say, Write is an adaptable classroom writing routine that teachers can use across a range of activities in the preschool classroom. This preschool writing routine offers an opportunity for teachers to build on a shared experience through engagement in rich conversation and writing. After a shared experience, teachers will provide a visual…

Writing for publication Part II--The writing process.

Science.gov (United States)

Clarke, L K

1999-01-01

You have selected a topic, gathered resources, and identified your target audience. The next step is to begin to write and organize your ideas. Initiating the actual writing process can be intimidating, especially for a novice author. This portion of the writing for publication series focuses on helping the writer to organize ideas and get started.

BOB-RED queue management for IEEE 802.15.4 wireless sensor networks

Directory of Open Access Journals (Sweden)

Wu Jean-Lien

2011-01-01

Full Text Available Abstract Multimedia services over resource constrained wireless sensor networks (WSNs face a performance bottleneck issue from the gateway node to the sink node. Therefore, the queue management at the gateway node is crucial for diversified messages conveyed from the front nodes to the sink node. In this article, beacon order-based random early detection (BOB-RED queue management is proposed. BOB-RED is a dynamic adaptation scheme based on adjusting beacon interval and superframe duration in the IEEE 802.15.4 MAC superframe accompanied with RED queue management scheme to increase the transmission efficiency of multimedia over WSNs. We focus on the performance improvement upon different traffic loads over WSNs. Evaluation metrics include end-to-end delay, packet delivery ratio, and energy consumption in IEEE 802.15.4 beacon enabled mode. Simulation results show that BOB-RED can effectively decrease end-to-end delay and energy consumption compared to the DropTail scheme.

Academic writing

Science.gov (United States)

Eremina, Svetlana V.

2003-10-01

The series of workshops on academic writing have been developed by academic writing instructors from Language Teaching Centre, Central European University and presented at the Samara Academic Writing Workshops in November 2001. This paper presents only the part dealing with strucutre of an argumentative essay.

Hybrid Polling Method for Direct Link Communication for IEEE 802.11 Wireless LANs

Directory of Open Access Journals (Sweden)

Woo-Yong Choi

2008-10-01

Full Text Available The direct link communication between STAtions (STAs is one of the techniques to improve the MAC performance of IEEE 802.11 infrastructure networks. For the efficient direct link communication, in the literature, the simultaneous polling method was proposed to allow the multiple direct data communication to be performed simultaneously. However, the efficiency of the simultaneous polling method is affected by the interference condition. To alleviate the problem of the lower polling efficiency with the larger interference range, the hybrid polling method is proposed for the direct link communication between STAs in IEEE 802.11 infrastructure networks. By the proposed polling method, we can integrate the sequential and simultaneous polling methods properly according to the interference condition. Numerical examples are also presented to show the medium access control (MAC performance improvement by the proposed polling method.

IEEE Std 649-1980: IEEE standard for qualifying Class 1E motor control centers for nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1992-01-01

This standard describes the basic principles, requirements, and methods for qualifying Class 1E motor control centers for outside containment applications in nuclear power generating stations. Qualification of motor control centers located inside containment in a nuclear power generating station is beyond the scope of this standard. The purpose of this standard is (1) to define specific qualification requirements for Class 1E motor control centers in accordance with the more general qualification requirements of IEEE Std 323-1974, IEE Standard for Qualifying Class 1E Equipment for Nuclear Power Generating Stations; (2) to provide guidance in establishing a qualification program for demonstrating the design adequacy of Class 1E motor control centers in nuclear power generating station applications

IEEE 802.11 ECG monitoring system.

Science.gov (United States)

Tejero-Calado, Juan; Lopez-Casado, Carmen; Bernal-Martin, Antonio; Lopez-Gomez, Miguel; Romero-Romero, Marco; Quesada, Guillermo; Lorca, Julio; Rivas, Ramon

2005-01-01

New wireless technologies make possible the implementation of high level integration wireless devices which allow the replacement of traditional large wired monitoring devices. This kind of devices favours at-home hospitalization, reducing the affluence to sanitary assistance centers to make routine controls. This fact causes a really favourable social impact, especially for elder people, rural-zone inhabitant, chronic patients and handicapped people. Furthermore, it offers new functionalities to physicians and will reduce the sanitary cost. Among these functionalities, biomedical signals can be sent to other devices (screen, PDA, PC...) or processing centers, without restricting the patients' mobility. The aim of this project is the development and implementation of a reduced size multi-channel electrocardiograph based on IEEE 802.11, which allows wireless monitoring of patients, and the insertion of the information into the TCP/IP Hospital network.

Satisfying story of how it all began

Energy Technology Data Exchange (ETDEWEB)

Liddle, Andrew

2004-12-01

{sup N}ow this 'Big Bang' idea seemed to me to be unsatisfactory...for it is an irrational process that cannot be described in scientific terms.' With this rather derisory remark (or at least so intended) in a 1950 radio broadcast, Fred Hoyle named the theory that rivalled his steady-state theory. The Big Bang has subsequently become the dominant paradigm in attempts to understand our universe. It is also one of the dominant ways in which popular-science writing seeks to persuade people to part with their cash. Simon Singh has rapidly made a name for himself as one of the leading popularizers of science, with his previous books Fermat's Last Theorem and The Code Book bringing accessible science to a wide audience . Big Bang brings him to a much busier marketplace, where he must compete both with other science writers and with working scientists. (U.K.)

On gender and writing On gender and writing

Directory of Open Access Journals (Sweden)

Arnold Gordenstein

2008-04-01

Full Text Available In the introduction to this collection of 22 essays on gender and writing the editor confesses: I was never interested in including articles which would attack the idea of whether gender and the writing process had anything in common. I wasn't interested in anyone who held an 'androgyny' view of the writing process or in anyone who had anti-feminist views. The people I asked were all people who had something positive to say about how they saw gender and the writing process coming together in their work. (p.9 Consequently one finishes this book with the impression that almost all these writers know one another and share views on politics, literature and sex. The largest group of essays is from single mothers or gay women who write fiction, theater or poetry. Of the 22 writers almost all are British, all but 3 1/2 are female (the half because he "shares" a doubled personality with his wife, all but a few speak of being formed by the turbulent 1960's. In the introduction to this collection of 22 essays on gender and writing the editor confesses: I was never interested in including articles which would attack the idea of whether gender and the writing process had anything in common. I wasn't interested in anyone who held an 'androgyny' view of the writing process or in anyone who had anti-feminist views. The people I asked were all people who had something positive to say about how they saw gender and the writing process coming together in their work. (p.9 Consequently one finishes this book with the impression that almost all these writers know one another and share views on politics, literature and sex. The largest group of essays is from single mothers or gay women who write fiction, theater or poetry. Of the 22 writers almost all are British, all but 3 1/2 are female (the half because he "shares" a doubled personality with his wife, all but a few speak of being formed by the turbulent 1960's.

PROCESS WRITING: SUCCESSFUL AND UNSUCCESSFUL WRITERS; DISCOVERING WRITING BEHAVIOURS

Directory of Open Access Journals (Sweden)

Ismail Baroudy

2008-12-01

Full Text Available Successful and unsuccessful strategies practically complied with in the act of writing have been so far experimentally tapped and scholastically rehearsed by several authors. In this study, a complementary task using a questionnaire worked out to comprehensively specify and cover almost all types of writing behaviours has been inquisitively manipulated. By analysing and inspecting the findings elicited from student-writers’ response sheets, successful and unsuccessful writing strategies are then contrastively identified, categorised and demonstrated. Based on the awareness accomplished, writing teachers’ consciousness will be raised and boosted, thus, helping their poor student-writers justifiably quit their debilitative habits and adopt instead, facilitative ones, those competent writers implement while writing. In the questionnaire, the student-writers would reflect upon their creeping experience and pass informative judgements about their own strategies. Student-writers will respond to fact-finding statements regarding five writing components delineated as rehearsing, drafting, revising, student-writers’ role and the role of instructional materials

Effects of Writing Instruction on Kindergarten Students' Writing Achievement: An Experimental Study

Science.gov (United States)

Jones, Cindy D'On

2015-01-01

This full-year experimental study examined how methods of writing instruction contribute to kindergarten students' acquisition of foundational and compositional early writing skills. Multiple regression with cluster analysis was used to compare 3 writing instructional groups: an interactive writing group, a writing workshop group, and a…

Techniques for motivating students to write, for teaching writing and for systematizing writing assessment

OpenAIRE

Küçükal, Şerife

1990-01-01

Ankara : Faculty of Letters and the Institute of Economics and Social Science of Bilkent Univ., 1990. Thesis (Master's) -- Bilkent University, 1990. Includes bibliographical references. The purpose of this study is to investigate the suggestions that experts in the field of teaching composition have for motivating students to write, teaching writing and assessing writing and the ways that these suggestions could be used in Turkish EFL Hazirlik classes for elementary level students. ...

Electronic outlining as a writing strategy: Effects on students' writing products, mental effort and writing process

NARCIS (Netherlands)

De Smet, Milou; Brand-Gruwel, Saskia; Leijten, Mariëlle; Kirschner, Paul A.

2018-01-01

This study addresses to what extent and how electronic outlining enhances students' writing performance. To this end, the focus of this study is not only on students' final writing products but also on the organisation of the writing process (i.e., planning, translating, and reviewing) and perceived

IEEE 802.3 Ethernet, Current Status and Future Prospects at the LHC

CERN Document Server

Dobinson, Robert W; Haas, S W; Martin, B; Le Vine, M J; Saka, F

2000-01-01

The status of the IEEE 802.3 standard is reviewed and prospects for the future, including the new 10 Gigabit version of Ethernet, are discussed. The relevance of Ethernet for experiments at the CERN Large Hadron Collider is considered, with emphasis on on-line applications and areas which are technically challenging.

Expressive/Exploratory Technical Writing (XTW) in Engineering: Shifting the Technical Writing Curriculum

Science.gov (United States)

Warnock, Scott; Kahn, Michael

2007-01-01

While the importance of "expressive writing," or informal, self-directed writing, has been well established, teachers underutilize it, particularly in technical writing courses. We introduce the term expressive/exploratory technical writing (XTW), which is the use of informal, self-directed writing to problem-solve in technical fields. We describe…

The IEEE-SA patent policy update under the lens of EU competition law

NARCIS (Netherlands)

Kanevskaia, Olia; Zingales, Nicolo

2016-01-01

In 2015, the Institute of Electrical and Electronics Engineers (IEEE) Standardization Association made some controversial changes to its patent policy. The changes include a recommended method of calculation of FRAND royalty rates, and a request to members holding a standard essential patent (SEP)

A network architecture for precision formation flying using the IEEE 802.11 MAC Protocol

Science.gov (United States)

Clare, Loren P.; Gao, Jay L.; Jennings, Esther H.; Okino, Clayton

2005-01-01

Precision Formation Flying missions involve the tracking and maintenance of spacecraft in a desired geometric formation. The strong coupling of spacecraft in formation flying control requires inter-spacecraft communication to exchange information. In this paper, we present a network architecture that supports PFF control, from the initial random deployment phase to the final formation. We show that a suitable MAC layer for the application protocol is IEEE's 802.11 MAC protocol. IEEE 802.11 MAC has two modes of operations: DCF and PCF. We show that DCF is suitable for the initial deployment phase while switching to PCF when the spacecraft are in formation improves jitter and throughput. We also consider the effect of routing on protocol performance and suggest when it is profitable to turn off route discovery to achieve better network performance.

2011 IEEE Visualization Contest Winner: Visualizing Unsteady Vortical Behavior of a Centrifugal Pump

KAUST Repository

Otto, Mathias

2012-09-01

In the 2011 IEEE Visualization Contest, the dataset represented a high-resolution simulation of a centrifugal pump operating below optimal speed. The goal was to find suitable visualization techniques to identify regions of rotating stall that impede the pump\\'s effectiveness. The winning entry split analysis of the pump into three parts based on the pump\\'s functional behavior. It then applied local and integration-based methods to communicate the unsteady flow behavior in different regions of the dataset. This research formed the basis for a comparison of common vortex extractors and more recent methods. In particular, integration-based methods (separation measures, accumulated scalar fields, particle path lines, and advection textures) are well suited to capture the complex time-dependent flow behavior. This video (http://youtu.be/ oD7QuabY0oU) shows simulations of unsteady flow in a centrifugal pump. © 2012 IEEE.

A Novel IEEE 802.15.4e DSME MAC for Wireless Sensor Networks.

Science.gov (United States)

Sahoo, Prasan Kumar; Pattanaik, Sudhir Ranjan; Wu, Shih-Lin

2017-01-16

IEEE 802.15.4e standard proposes Deterministic and Synchronous Multichannel Extension (DSME) mode for wireless sensor networks (WSNs) to support industrial, commercial and health care applications. In this paper, a new channel access scheme and beacon scheduling schemes are designed for the IEEE 802.15.4e enabled WSNs in star topology to reduce the network discovery time and energy consumption. In addition, a new dynamic guaranteed retransmission slot allocation scheme is designed for devices with the failure Guaranteed Time Slot (GTS) transmission to reduce the retransmission delay. To evaluate our schemes, analytical models are designed to analyze the performance of WSNs in terms of reliability, delay, throughput and energy consumption. Our schemes are validated with simulation and analytical results and are observed that simulation results well match with the analytical one. The evaluated results of our designed schemes can improve the reliability, throughput, delay, and energy consumptions significantly.

Design Optimization of Cyber-Physical Distributed Systems using IEEE Time-sensitive Networks (TSN)

DEFF Research Database (Denmark)

Pop, Paul; Lander Raagaard, Michael; Craciunas, Silviu S.

2016-01-01

to the optimization of distributed cyber-physical systems using real-time Ethernet for communication. Then, we formulate two novel optimization problems related to the scheduling and routing of TT and AVB traffic in TSN. Thus, we consider that we know the topology of the network as well as the set of TT and AVB flows......In this paper we are interested in safety-critical real-time applications implemented on distributed architectures supporting the Time-SensitiveNetworking (TSN) standard. The ongoing standardization of TSN is an IEEE effort to bring deterministic real-time capabilities into the IEEE 802.1 Ethernet...... standard supporting safety-critical systems and guaranteed Quality-of-Service. TSN will support Time-Triggered (TT) communication based on schedule tables, Audio-Video-Bridging (AVB) flows with bounded end-to-end latency as well as Best-Effort messages. We first present a survey of research related...

Unpacking the Value of Writing: Exploring College Students' Perceptions of Writing

Science.gov (United States)

Zumbrunn, Sharon; Carter, Yvette M.; Conklin, Sarah

2014-01-01

This study explored college students' beliefs about the value of writing, their past experiences with writing, and the relationship between students' prior experiences with writing and writing value beliefs. One hundred fourteen undergraduates from a public Southeastern university participated in the study. Using expectancy-value theory as a…

Autobiographical Writing in the Technical Writing Course

Science.gov (United States)

Gellis, Mark

2011-01-01

Professionals in the workplace are rarely asked to write autobiographical essays. Such essays, however, are an excellent tool for helping students explore their growth as professionals. This article explores the use of such essays in a technical writing class.

DoS detection in IEEE 802.11 with the presence of hidden nodes

Directory of Open Access Journals (Sweden)

Joseph Soryal

2014-07-01

Full Text Available The paper presents a novel technique to detect Denial of Service (DoS attacks applied by misbehaving nodes in wireless networks with the presence of hidden nodes employing the widely used IEEE 802.11 Distributed Coordination Function (DCF protocols described in the IEEE standard [1]. Attacker nodes alter the IEEE 802.11 DCF firmware to illicitly capture the channel via elevating the probability of the average number of packets transmitted successfully using up the bandwidth share of the innocent nodes that follow the protocol standards. We obtained the theoretical network throughput by solving two-dimensional Markov Chain model as described by Bianchi [2], and Liu and Saadawi [3] to determine the channel capacity. We validated the results obtained via the theoretical computations with the results obtained by OPNET simulator [4] to define the baseline for the average attainable throughput in the channel under standard conditions where all nodes follow the standards. The main goal of the DoS attacker is to prevent the innocent nodes from accessing the channel and by capturing the channel’s bandwidth. In addition, the attacker strives to appear as an innocent node that follows the standards. The protocol resides in every node to enable each node to police other nodes in its immediate wireless coverage area. All innocent nodes are able to detect and identify the DoS attacker in its wireless coverage area. We applied the protocol to two Physical Layer technologies: Direct Sequence Spread Spectrum (DSSS and Frequency Hopping Spread Spectrum (FHSS and the results are presented to validate the algorithm.

DoS detection in IEEE 802.11 with the presence of hidden nodes.

Science.gov (United States)

Soryal, Joseph; Liu, Xijie; Saadawi, Tarek

2014-07-01

The paper presents a novel technique to detect Denial of Service (DoS) attacks applied by misbehaving nodes in wireless networks with the presence of hidden nodes employing the widely used IEEE 802.11 Distributed Coordination Function (DCF) protocols described in the IEEE standard [1]. Attacker nodes alter the IEEE 802.11 DCF firmware to illicitly capture the channel via elevating the probability of the average number of packets transmitted successfully using up the bandwidth share of the innocent nodes that follow the protocol standards. We obtained the theoretical network throughput by solving two-dimensional Markov Chain model as described by Bianchi [2], and Liu and Saadawi [3] to determine the channel capacity. We validated the results obtained via the theoretical computations with the results obtained by OPNET simulator [4] to define the baseline for the average attainable throughput in the channel under standard conditions where all nodes follow the standards. The main goal of the DoS attacker is to prevent the innocent nodes from accessing the channel and by capturing the channel's bandwidth. In addition, the attacker strives to appear as an innocent node that follows the standards. The protocol resides in every node to enable each node to police other nodes in its immediate wireless coverage area. All innocent nodes are able to detect and identify the DoS attacker in its wireless coverage area. We applied the protocol to two Physical Layer technologies: Direct Sequence Spread Spectrum (DSSS) and Frequency Hopping Spread Spectrum (FHSS) and the results are presented to validate the algorithm.

Writing to Read: A Meta-Analysis of the Impact of Writing and Writing Instruction on Reading

Science.gov (United States)

Graham, Steve; Hebert, Michael

2011-01-01

Reading is critical to students' success in and out of school. One potential means for improving students' reading is writing. In this meta-analysis of true and quasi-experiments, Graham and Herbert present evidence that writing about material read improves students' comprehension of it; that teaching students how to write improves their reading…

IEEE recommended practices for seismic qualification of Class 1E equipment for nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1975-01-01

The IEEE has developed this document to provide direction for developing programs to seismically qualify Class 1E equipment for nuclear power generating stations. It supplements IEEE Std 323-1974, IEEE Standard for Qualifying Class 1E Equipment for Nuclear Power Generating Stations, which describes the basic requirements for equipment qualification. The Class 1E equipment to be qualified by produres or standards established by this document are of many forms, characteristics, and materials; therefore, the document presents many acceptable methods with the intent of permitting the user to make a judicious selection from among the various options. In making such a selection, the user should choose those that best meet a particular equipment's requirements. Further, in using this document as a specification for the purchase of equipment, the many options should also be recognized and the document invoked accordingly. It is recommended that the need for specific standards for the seismic qualifiction of particular kinds of equipment be evaluated by those responsible for such documents and that consideration be given to the application of particular methods from these documents which are most suitable

Writing a Movie.

Science.gov (United States)

Hoffner, Helen

2003-01-01

Explains a reading and writing assignment called "Writing a Movie" in which students view a short film segment and write a script in which they describe the scene. Notes that this assignment uses films to develop fluency and helps students understand the reading and writing connections. Concludes that students learn to summarize a scene from film,…

High School Boys' and Girls' Writing Conceptions and Writing Self-Efficacy Beliefs: What Is Their Role in Writing Performance?

Science.gov (United States)

Villalón, Ruth; Mateos, Mar; Cuevas, Isabel

2015-01-01

This study investigated the conceptions about writing and writing self-efficacy beliefs held by high school students in relation to the students' gender as well as their associations with writing achievement. The results show that female students have more sophisticated writing conceptions than their male counterparts but no gender differences…

Writing for Change — An Interactive Guide to Effective Writing ...

International Development Research Centre (IDRC) Digital Library (Canada)

In Writing for Change, you will learn the core skills of effective writing, how to write ... It is full of practical exercises and examples from the field of international development. ... Climate Change, Vulnerability, and Health in Colombia and Bolivia.

Energy-aware path selection metric for IEEE 802.11s wireless mesh networking

CSIR Research Space (South Africa)

Mhlanga, MM

2009-01-01

Full Text Available The IEEE 802.11s working group has commenced activities, which would lead to the development of a standard for wireless mesh networks (WMNs). The draft of 802.11s introduces a new path selection metric called airtime link metric. However...

Energy-aware path selection metric for IEEE 802.11s wireless mesh networking

CSIR Research Space (South Africa)

Mhlanga, MM

2009-08-01

Full Text Available The IEEE 802.11s working group has commenced activities, which would lead to the development of a standard for wireless mesh networks (WMNs). The draft of 802.11s introduces a new path selection metric called airtime link metric. However...

A 1-GHz charge pump PLL frequency synthesizer for IEEE 1394b PHY

DEFF Research Database (Denmark)

Ji, J.; Liu, H.; Li, Q.

2012-01-01

This paper presents an implementation of multi-rate SerDes transceiver for IEEE 1394b applications. Simple and effective pre-emphasis and equalizer circuits are used at transmitter and receiver, respectively. A phase interpolator based clock and data recovery circuit with optimized linearity is a...

Corrections to "Connectivity-Based Reliable Multicast MAC Protocol for IEEE 802.11 Wireless LANs"

Directory of Open Access Journals (Sweden)

Choi Woo-Yong

2010-01-01

Full Text Available We have found the errors in the throughput formulae presented in our paper "Connectivity-based reliable multicast MAC protocol for IEEE 802.11 wireless LANs". We provide the corrected formulae and numerical results.

Learning Science through Writing: Associations with Prior Conceptions of Writing and Perceptions of a Writing Program

Science.gov (United States)

Ellis, Robert A.; Taylor, Charlotte E.; Drury, Helen

2007-01-01

Students in a large undergraduate biology course were expected to write a scientific report as a key part of their course design. This study investigates the quality of learning arising from the writing experience and how it relates to the quality of students' preconceptions of learning through writing and their perceptions of their writing…

Scaffolding EFL Students' Writing through the Writing Process Approach

Science.gov (United States)

Faraj, Avan Kamal Aziz

2015-01-01

This research reports a study conducted at Koya University/English Language Department, and it aims at presenting the effect of scaffolding on EFL students' writing ability through the writing process. In this study, the students have taken the role of writers, so they need to follow the same steps that writers apply during their writing process.…

The Effect of Dialogue Journal Writing on EFL Students' Writing Skill

Directory of Open Access Journals (Sweden)

Ali Gholami Mehrdad

2008-02-01

Full Text Available Despite the role writing plays in learning a foreign language, many students do not show much interest in taking an active part in writing classes (Myint, 1997. Thus different activities have been proposed to motivate students to write one of which is dialogue journal writing, and the present work tries to investigate the possible effect(s of such activity on writing ability of a group of English students at Islamic Azad University- Hamedan branch. To do this, 50 students obtaining 1 and 2 on the TWE scale on the structure section of a TOEFL test were selected and randomly assigned to experimental and control groups. After some introductory sessions, the students were asked to write paragraphs on a weekly schedule and hand them in to be corrected. In the experimental group the students were, furthermore, asked to keep journals and hand them in. After 4 months, the students in both groups took part in a writing exam in which they had to write two paragraphs on the topics given. The comparison of the means at p

Teaching Writing Strategies

Directory of Open Access Journals (Sweden)

Zaououi,Merbouh

2010-03-01

Full Text Available Developing learners’ writing skills has been of concern for a long time in education. Students studying English in our educational institutions have been found to face problems mainly in writing, making them unable to cope with the institution’s literacy expectations. However, these students may be able to develop writing skills significantly with positive instructional attitudes towards the errors they make and awareness on the teachers’ part of learner problems. That is why they should improve classroom writing instruction to address the serious problem of students writing difficult. Teaching strategies has shown a dramatic effect on the quality of students’ writing. Strategy instruction involves explicitly and systematically teaching steps necessary to use strategies independently. The following table will explain the above ideas.

IEEE Xplore® Digital Library - Evolving to Meet YOUR Changing Needs

OpenAIRE

2014-01-01

Представлена презентация доклада "Использование платформы IEEE Digital Library: уникальные научные публикации в области электроники, радиосвязи, вычислительной техники, информационных технологий, энергетики, машиностроения, физики, химии, геологии, нанотехнологий" Эстер Лукаш, специалиста по обучению IEEE (Германия), на семинаре «Использование платформы IEEE Digital Library», прошедшем 02 октября 2014 года в УрФУ, на английском языке....

Investigating the efficiency of IEEE 802.15.4 for medical monitoring applications.

Science.gov (United States)

Pelegris, P; Banitsas, K

2011-01-01

Recent advancements in wireless communications technologies bring us one step closer to provide reliable Telecare services as an alternative to patients staying in a hospital mainly for monitoring purposes. In this research we investigate the efficiency of IEEE 802.15.4 in a simple scenario where a patient is being monitored using an ECG and a blood analysis module. This approach binds well with assisted living solutions, by sharing the network infrastructure for both monitoring and control while taking advantage of the low power features of the protocol. Such applications are becoming more and more realistic to implement as IEEE 802.15.4 compatible hardware becomes increasingly available. Our aim is to examine the impact of Beacon and Superframe Order in the medium access delay, dropped packets, end to end delay, average retransmission attempts and consumed power focusing on this bandwidth demanding situation where the network load does not allow low duty cycles, in order to draw some conclusions on the effect that this will have to telemonitoring applications.

Dynamic subframe allocation for mobile broadband m-health using IEEE 802.16j mobile multihop relay networks.

Science.gov (United States)

Alinejad, Ali; Istepanian, R S H; Philip, N

2012-01-01

The concept of 4G health will be one of the key focus areas of future m-health research and enterprise activities in the coming years. WiMAX technology is one of the constituent 4G wireless technologies that provides broadband wireless access (BWA). Despite the fact that WiMAX is able to provide a high data rate in a relatively large coverage; this technology has specific limitations such as: coverage, signal attenuation problems due to shadowing or path loss, and limited available spectrum. The IEEE 802.16j mobile multihop relay (MMR) technology is a pragmatic solution designed to overcome these limitations. The aim of IEEE 802.16j MMR is to expand the IEEE 802.16e's capabilities with multihop features. In particular, the uplink (UL) and downlink (DL) subframe allocation in WiMAX network is usually fixed. However, dynamic frame allocation is a useful mechanism to optimize uplink and downlink subframe size dynamically based on the traffic conditions through real-time traffic monitoring. This particular mechanism is important for future WiMAX based m-health applications as it allows the tradeoff in both UL and DL channels. In this paper, we address the dynamic frame allocation issue in IEEE 802.16j MMR network for m-health applications. A comparative performance analysis of the proposed approach is validated using the OPNET Modeler(®). The simulation results have shown an improved performance of resource allocation and end-to-end delay performance for typical medical video streaming application.

"Your Writing, Not My Writing": Discourse Analysis of Student Talk about Writing

Science.gov (United States)

Hales, Patrick D.

2017-01-01

Student voice is a difficult concept to capture in research. This study attempts to provide a vehicle for understanding student perceptions about writing and writing instruction through a case study supported by discourse analysis of student talk. The high school students in this study participated in interviews and focus groups about their…

Interoperability in digital electrocardiography: harmonization of ISO/IEEE x73-PHD and SCP-ECG.

Science.gov (United States)

Trigo, Jesús D; Chiarugi, Franco; Alesanco, Alvaro; Martínez-Espronceda, Miguel; Serrano, Luis; Chronaki, Catherine E; Escayola, Javier; Martínez, Ignacio; García, José

2010-11-01

The ISO/IEEE 11073 (x73) family of standards is a reference frame for medical device interoperability. A draft for an ECG device specialization (ISO/IEEE 11073-10406-d02) has already been presented to the Personal Health Device (PHD) Working Group, and the Standard Communications Protocol for Computer-Assisted ElectroCardioGraphy (SCP-ECG) Standard for short-term diagnostic ECGs (EN1064:2005+A1:2007) has recently been approved as part of the x73 family (ISO 11073-91064:2009). These factors suggest the coordinated use of these two standards in foreseeable telecardiology environments, and hence the need to harmonize them. Such harmonization is the subject of this paper. Thus, a mapping of the mandatory attributes defined in the second draft of the ISO/IEEE 11073-10406-d02 and the minimum SCP-ECG fields is presented, and various other capabilities of the SCP-ECG Standard (such as the messaging part) are also analyzed from an x73-PHD point of view. As a result, this paper addresses and analyzes the implications of some inconsistencies in the coordinated use of these two standards. Finally, a proof-of-concept implementation of the draft x73-PHD ECG device specialization is presented, along with the conversion from x73-PHD to SCP-ECG. This paper, therefore, provides recommendations for future implementations of telecardiology systems that are compliant with both x73-PHD and SCP-ECG.

Real-Time Support on IEEE 802.11 Wireless Ad-Hoc Networks: Reality vs. Theory

Science.gov (United States)

Kang, Mikyung; Kang, Dong-In; Suh, Jinwoo

The usable throughput of an IEEE 802.11 system for an application is much less than the raw bandwidth. Although 802.11b has a theoretical maximum of 11Mbps, more than half of the bandwidth is consumed by overhead leaving at most 5Mbps of usable bandwidth. Considering this characteristic, this paper proposes and analyzes a real-time distributed scheduling scheme based on the existing IEEE 802.11 wireless ad-hoc networks, using USC/ISI's Power Aware Sensing Tracking and Analysis (PASTA) hardware platform. We compared the distributed real-time scheduling scheme with the real-time polling scheme to meet deadline, and compared a measured real bandwidth with a theoretical result. The theoretical and experimental results show that the distributed scheduling scheme can guarantee real-time traffic and enhances the performance up to 74% compared with polling scheme.

0011-0030.IEEE 754: 64 Bit Double Precision FloatsThis.pdf | 01 ...

Indian Academy of Sciences (India)

Home; public; Volumes; reso; 021; 01; 0011-0030.IEEE 754: 64 Bit Double Precision FloatsThis.pdf. 404! error. The page your are looking for can not be found! Please check the link or use the navigation bar at the top. YouTube; Twitter; Facebook; Blog. Academy News. IAS Logo. 29th Mid-year meeting. Posted on 19 ...

Drawing on Technical Writing Scholarship for the Teaching of Writing to Advanced ESL Students--A Writing Tutorial.

Science.gov (United States)

Zielinska, Dorota

2003-01-01

Outlines the technical writing tutorial (TWT) that precedes an advanced English as a second language (ESL) writing course for students of English Philology at the Jagiellonian University, Poland. Finds a statistically significant increase in the performance of the students who had taken the TWT. Indicates that technical writing books and journals…

Ideation in mathematical writing

DEFF Research Database (Denmark)

Misfeldt, Morten

2007-01-01

This paper considers idea generation during the mathematical writing process. Two contrasting explanations of the creative potential in connection to writing is presented; writing as a process of setting and obtaining rhetorical goals and writing as a process of discovery. These views...... are then related to two empirically found categories of functions that writing serves researchers in the field of mathematics, concluding that both views contributes to understanding the creative potential in relation to mathematical writing....

Finding Basic Writing's Place.

Science.gov (United States)

Sheridan-Rabideau, Mary P.; Brossell, Gordon

1995-01-01

Posits that basic writing serves a vital function by providing writing support for at-risk students and serves the needs of a growing student population that universities accept yet feel needs additional writing instruction. Concludes that the basic writing classroom is the most effective educational support for at-risk students and their writing.…

Teaching Children to Write: A Meta-analysis of Writing Intervention Research

Directory of Open Access Journals (Sweden)

Monica Koster

2015-10-01

Full Text Available It has been established that in the Netherlands, as in other countries, a majority of students do not attain the desired level of writing skills at the end of elementary school. Time devoted to writing is limited, and only a minority of schools succeed in effectively teaching writing. An improvement in the way writing is taught in elementary school is clearly required. In order to identify effective instructional practices we conducted a meta-analysis of writing intervention studies aimed at grade 4 to 6 in a regular school setting. Average effect sizes were calculated for ten intervention categories: strategy instruction, text structure instruction, pre-writing activities, peer assistance, grammar instruction, feedback, evaluation, process approach, goal setting, and revision. Five of these categories yielded statistically significant results. Pairwise comparison of these categories revealed that goal setting (ES = 2.03 is the most effective intervention to improve students’ writing performance, followed by strategy instruction (ES = .96, text structure instruction (ES = .76, peer assistance (ES = .59, and feedback (ES = .88 respectively. Further research is needed to examine how these interventions can be implemented effectively in classrooms to improve elementary students’ writing performance.

Mathematical writing

CERN Document Server

Vivaldi, Franco

2014-01-01

This book teaches the art of writing mathematics, an essential -and difficult- skill for any mathematics student.   The book begins with an informal introduction on basic writing principles and a review of the essential dictionary for mathematics. Writing techniques are developed gradually, from the small to the large: words, phrases, sentences, paragraphs, to end with short compositions. These may represent the introduction of a concept, the abstract of a presentation or the proof of a theorem. Along the way the student will learn how to establish a coherent notation, mix words and symbols effectively, write neat formulae, and structure a definition.   Some elements of logic and all common methods of proofs are featured, including various versions of induction and existence proofs. The book concludes with advice on specific aspects of thesis writing (choosing of a title, composing an abstract, compiling a bibliography) illustrated by large number of real-life examples. Many exercises are included; over 150...

Writing Nature

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Kristin Asdal

2014-06-01

Full Text Available This special issue of the Nordic Journal of Science and Technology Studies is interested in how nature, in different versions and forms, is invited into our studies, analyses, and stories. How is it that we “write nature”? How is it that we provide space for, and actually describe the actors, agents, or surroundings, in our stories and analyses? The articles in the issue each deal with different understandings of both the practices of writing and the introduction of various natures into these. In this introduction to the issue the editors engage with actor-network theory as a material semiotic resource for writing nature. We propose to foreground actor-network theory as a writing tool, at the expense of actor-network theory as a distinct vocabulary. In doing this and pointing out the semiotic origins to material-semiotics we also want to problematize a clear-cut material approach to writing nature.

Revisión del estado del arte deIR-Ultra-Wideband y simulación de la respuesta impulsiva del canal IEEE802.15.4a Review of the state of art of IR-Ultra-Wideband and simulation of Impulse Responce of the IEEE 802.15.4a channel

Directory of Open Access Journals (Sweden)

Julio Suárez Páez

2010-06-01

Full Text Available Este artículo realiza una revisión del estado del arte de la tecnología basada en canales de Banda Ultra Ancha (UWB, Ultra–Wideband enfocándose en su regulación, estandarización, aplicaciones básicas, modelo de canal IEEE 802.15.4a y simulación de la respuesta impulsiva de este tipo de canal. También se pretende introducir al lector en las tecnologías basadas en canales IR–UWB y en los parámetros para el modelamiento y simulación del canal UWB IEEE 802.15.4a.This paper reviews the state of the art of the technology based in channels of Ultra Wide band (UWB Ultra–Wideband focusing on its regulation, standardization, basic applications, IEEE 802.15.4a channel model and simulation of the impulsive response of this type of channel. Also, it aims to introduce the reader to the technologies based on IR–UWB channels and the parameters for modeling and simulation of IEEE 802.15.4a UWB channel.

Foreign Language Writing Fellows Programs: A Model for Improving Advanced Writing Skills

Science.gov (United States)

Snyder, Delys Waite; Nielson, Rex P.; Kurzer, Kendon

2016-01-01

Within the growing field of scholarly literature on foreign language (FL) writing pedagogy, few studies have addressed pedagogical questions regarding the teaching of writing to advanced language learners. Writing fellows peer tutoring programs, although typically associated with first language writing instruction, likely can benefit and support…

Proceedings of the 1988 IEEE international conference on robotics and automation. Volume 1

International Nuclear Information System (INIS)

Anon.

1988-01-01

These proceedings compile the papers presented at the international conference (1988) sponsored by IEEE Council on ''Robotics and Automation''. The subjects discussed were: automation and robots of nuclear power stations; algorithms of multiprocessors; parallel processing and computer architecture; and U.S. DOE research programs on nuclear power plants

Writing Activities of Public Relations Practitioners: The Relationship between Experience and Writing Tasks.

Science.gov (United States)

Napoli, Philip M.; Taylor, Maureen; Powers, Gerald

1999-01-01

Surveys 200 public relations practitioners and investigates whether the type of writing and over-all time spent writing vary with years of experience. Finds that higher levels of writing efficiency come with writing experience, and shows that female practitioners spend a higher percentage of their workday on writing tasks than do their male…

Exploring the Relationship between Writing Apprehension and Writing Performance: A Qualitative Study

Science.gov (United States)

Badrasawi, Kamal J. I.; Zubairi, Ainol; Idrus, Faizah

2016-01-01

Writing skill is seen as a cornerstone of university students' success in both academic and career life. This qualitative study was conducted to further explore the teachers' and students' perceptions on the relationship between writing apprehension and writing performance, contributing factors of writing apprehension, and strategies to reduce…

NIH-IEEE 2015 Strategic Conference on Healthcare Innovations and Point-of-Care Technologies for Prec

Science.gov (United States)

NIH and the Institute for Electrical and Electronics Engineering, Engineering in Medicine and Biology Society (IEEE/EMBS) hosted the third iteration of the Healthcare Innovations and Point-of-Care Technologies Conference last week.

Contributions of Emergent Literacy Skills to Name Writing, Letter Writing, and Spelling in Preschool Children

Science.gov (United States)

Puranik, Cynthia S.; Lonigan, Christopher J.; Kim, Young-Suk

2011-01-01

The purpose of this study was to examine which emergent literacy skills contribute to preschool children’s emergent writing (name-writing, letter-writing, and spelling) skills. Emergent reading and writing tasks were administered to 296 preschool children aged 4–5 years. Print knowledge and letter-writing skills made positive contributions to name writing; whereas alphabet knowledge, print knowledge, and name writing made positive contributions to letter writing. Both name-writing and letter-writing skills made significant contributions to the prediction of spelling after controlling for age, parental education, print knowledge, phonological awareness, and letter-name and letter-sound knowledge; however, only letter-writing abilities made a significant unique contribution to the prediction of spelling when both letter-writing and name-writing skills were considered together. Name writing reflects knowledge of some letters rather than a broader knowledge of letters that may be needed to support early spelling. Children’s letter-writing skills may be a better indicator of children’s emergent literacy and developing spelling skills than are their name-writing skills at the end of the preschool year. Spelling is a developmentally complex skill beginning in preschool and includes letter writing and blending skills, print knowledge, and letter-name and letter-sound knowledge. PMID:21927537

Writing by Academics: A Transactional and Systems Approach to Academic Writing Behaviours

Science.gov (United States)

Kempenaar, Larissa Elisabeth; Murray, Rowena

2016-01-01

The literature on academic writing in higher education contains a wealth of research and theory on students' writing, but much less on academics' writing. In performative higher education cultures, discussions of academics' writing mainly concern outputs, rather than the process of producing them. This key component of academic work remains…

Writing Week-Journals to Improve the Writing Quality of Fourth-Graders' Compositions

Science.gov (United States)

Rosário, Pedro; Högemann, Julia; Núñez, José Carlos; Vallejo, Guillermo; Cunha, Jennifer; Oliveira, Vera; Fuentes, Sonia; Rodrigues, Celestino

2017-01-01

Students' writing problems are a global educational concern and is in need of particular attention. This study aims to examine the impact of providing extra writing opportunities (i.e., writing journals) on the quality of writing compositions. A longitudinal cluster-randomized controlled design using a multilevel modeling analysis with 182 fourth…

Professional Writing in the English Classroom: Professional Writing--What You Already Know

Science.gov (United States)

Bush, Jonathan; Zuidema, Leah

2010-01-01

This article presents the first installment of "Professional Writing in the English Classroom." The authors begin by answering the obvious question: What is professional writing? It isn't remedial writing, and it involves much more than writing memos, business letters, and resumes (although it certainly includes those genres). Professional writing…

The Los Altos Writing Project.

Science.gov (United States)

Kraft, Richard F.

The intent of this guide is to encourage teachers to have students write, both formally and informally, on a systematic basis. Three types of writing are emphasized: (1) journal writing; (2) research paper writing; and (3) essay writing. The section on journal writing includes a handout for the class explaining the purpose for journal writing and…

Collaborative Writing to Enhance Academic Writing Development through Project Work

Science.gov (United States)

Robayo Lun, Alma Milena; Hernandez Ortiz, Luz Stella

2013-01-01

Advanced students at university level struggle with many aspects of academic writing in English as a foreign language. The purpose of this article is to report on an investigation aimed at analyzing what collaborative writing through project work tells us about students' academic writing development at the tertiary level. The compositions written…

Status of the IEEE P896 Future Backplane Bus

International Nuclear Information System (INIS)

Gustavson, D.B.

1983-10-01

The IEEE P896 Future Backplane Bus project has been influenced by and has influenced FASTBUS and several other contemporary bus designs. This paper summarizes the current status of that project, which is directed toward the needs of modern 32-bit microprocessor systems with multiple processors. Some of the technology developed for P896 will be important for future non-ECL implementations of FASTBUS and other buses. In particular, new bus drivers and receivers should greatly improve the performance and reliability of backplane buses and cable buses. The current status of the P896 serial bus is also summarized

15th IEEE International Conference on Intelligent Engineering Systems

CERN Document Server

Živčák, Jozef; Aspects of Computational Intelligence Theory and Applications

2013-01-01

This volume covers the state-of-the art of the research and development in various aspects of computational intelligence and gives some perspective directions of development. Except the traditional engineering areas that contain theoretical knowledge, applications, designs and projects, the book includes the area of use of computational intelligence in biomedical engineering. „Aspects of Computational Intelligence: Theory and Applications” is a compilation of carefully selected extended papers written on the basis of original contributions presented at the 15th IEEE International Conference on Intelligent Engineering Systems 2011, INES 2011 held at June 23.-26. 2011 in AquaCity Poprad, Slovakia.    

THEMATIC PROGRESSION PATTERN : A TECHNIQUE TO IMPROVE STUDENTS’ WRITING SKILL VIEWED FROM WRITING APPREHENSION

Directory of Open Access Journals (Sweden)

Fitri Nurdianingsih

2017-10-01

Full Text Available The objective of conducting this research was to find out : (1 whether or not the use of thematic progression pattern is more effective than direct instruction in teaching writing to the second semester students at English Education Department; (2 the students who have a low writing apprehension have better writing skill than those who have a high writng apprehension; and (3 there is an interaction between teaching technique and writing apprehension in teaching writing skill. This reasearch was an experimental research design. The population of this research was the second semester students at English Education Department of IKIP PGRI Bojonegoro. Meanwhile the sample of this research was selected by using cluster random sampling. The instruments of data collection were witing test and writing apprehension questionnaire. The findings of this study are: (1 thematic progression pattern is more effective than direct instruction in teaching writing; (2 the students who have low writing apprehension have better writing skill than those who have high writing apprehension; and (3 there is an interaction between teaching technique and writing apprehension in teaching writing skill. It can be summarized that thematic progression pattern is an effective technique in teaching writing skill at the second semester students of English Education Department in IKIP PGRI Bojonegoro. The effectiveness of the technique is affected by writing apprehension.

IEEE Std 323-1983: IEEE standard for qualifying Class 1E equipment for nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1992-01-01

This standard describes the basic requirements for qualifying Class 1E equipment with interfaces that are to be used in nuclear power generating stations. The requirements presented include the principles, procedures, and methods of qualification. These qualification requirements, when met, will confirm the adequacy of the equipment design under normal, abnormal, design basis event, post design basis event, and in-service test conditions for the performance of safety function(s). The purpose of this standard is to identify requirements for the qualification of Class 1E equipment, including those interfaces whose failure could adversely affect the performance of Class 1E equipment and systems. The methods described shall be used for qualifying equipment, extending qualification, and updating qualification if the equipment is modified. Other issued IEEE standards which present qualification methods for specific equipment or components, or both, and those that deal with parts of the qualification program, may be used to supplement this standard, as applicable

Performance Analysis of IEEE 802.11 DCF and IEEE 802.11e EDCA in Non-saturation Condition

Science.gov (United States)

Kim, Tae Ok; Kim, Kyung Jae; Choi, Bong Dae

We analyze the MAC performance of the IEEE 802.11 DCF and 802.11e EDCA in non-saturation condition where device does not have packets to transmit sometimes. We assume that a flow is not generated while the previous flow is in service and the number of packets in a flow is geometrically distributed. In this paper, we take into account the feature of non-saturation condition in standards: possibility of transmission performed without preceding backoff procedure for the first packet arriving at the idle station. Our approach is to model a stochastic behavior of one station as a discrete time Markov chain. We obtain four performance measures: normalized channel throughput, average packet HoL (head of line) delay, expected time to complete transmission of a flow and packet loss probability. Our results can be used for admission control to find the optimal number of stations with some constraints on these measures.

Improving Energy Efficiency in Idle Listening of IEEE 802.11 WLANs

Directory of Open Access Journals (Sweden)

Muhammad Adnan

2016-01-01

Full Text Available This paper aims to improve energy efficiency of IEEE 802.11 wireless local area networks (WLANs by effectively dealing with idle listening (IL, which is required for channel sensing and is unavoidable in a contention-based channel access mechanism. Firstly, we show that IL is a dominant source of energy drain in WLANs and it cannot be effectively alleviated by the power saving mechanism proposed in the IEEE 802.11 standard. To solve this problem, we propose an energy-efficient mechanism that combines three schemes in a systematic way: downclocking, frame aggregation, and contention window adjustment. The downclocking scheme lets a station remain in a semisleep state when overhearing frames destined to neighbor stations, whereby the station consumes the minimal energy without impairing channel access capability. As well as decreasing the channel access overhead, the frame aggregation scheme prolongs the period of semisleep time. Moreover, by controlling the size of contention window based on the number of stations, the proposed mechanism decreases unnecessary IL time due to collision and retransmission. By deriving an analysis model and performing extensive simulations, we confirm that the proposed mechanism significantly improves the energy efficiency and throughput, by up to 2.8 and 1.8 times, respectively, compared to the conventional power saving mechanisms.

A note on bound constraints handling for the IEEE CEC'05 benchmark function suite.

Science.gov (United States)

Liao, Tianjun; Molina, Daniel; de Oca, Marco A Montes; Stützle, Thomas

2014-01-01

The benchmark functions and some of the algorithms proposed for the special session on real parameter optimization of the 2005 IEEE Congress on Evolutionary Computation (CEC'05) have played and still play an important role in the assessment of the state of the art in continuous optimization. In this article, we show that if bound constraints are not enforced for the final reported solutions, state-of-the-art algorithms produce infeasible best candidate solutions for the majority of functions of the IEEE CEC'05 benchmark function suite. This occurs even though the optima of the CEC'05 functions are within the specified bounds. This phenomenon has important implications on algorithm comparisons, and therefore on algorithm designs. This article's goal is to draw the attention of the community to the fact that some authors might have drawn wrong conclusions from experiments using the CEC'05 problems.

Write to read: the brain's universal reading and writing network.

Science.gov (United States)

Perfetti, Charles A; Tan, Li-Hai

2013-02-01

Do differences in writing systems translate into differences in the brain's reading network? Or is this network universal, relatively impervious to variation in writing systems? A new study adds intriguing evidence to these questions by showing that reading handwritten words activates a pre-motor area across writing systems. Copyright © 2012 Elsevier Ltd. All rights reserved.

Effect of a Resume-Writing Workshop on Resume-Writing Skills

Science.gov (United States)

Tillotson, Kenyon; Osborn, Debra

2012-01-01

What is the best way to teach someone how to write an effective resume? A workshop format was used to teach college students the skills needed to write a successful resume. Archival data consisting of student resumes and rubric score sheets were used to determine the effectiveness of a resume-writing workshop by using a pre-post design evaluating…

A high-linearity InGaP/GaAs HBT power amplifier for IEEE 802.11a/n

International Nuclear Information System (INIS)

Cui Jie; Chen Lei; Kang Chunlei; Shi Jia; Zhang Xuguang; Ai Baoli; Liu Yi

2013-01-01

A three-stage 4.8–6 GHz monolithic power amplifier (PA) compatible with IEEE 802.11a/n designed based on an advanced 2 μm InGaP/GaAs hetero-junction bipolar transistor (HBT) process is presented. The PA integrates input matching and closed-loop power control circuits on chip. Under 3.3 V DC bias, the amplifier achieves a ∼31 dB small signal gain, excellent wide band input and output matching among overall 1.2 GHz bandwidth, and up to 24.5 dBm linear output power below EVM 3% with IEEE 802.11a 64QAM OFDM input signal. (semiconductor integrated circuits)

Design and implementation of an IEEE 802.11 baseband OFDM transceiver in 0.18 μm CMOS

International Nuclear Information System (INIS)

Wu Bin; Zhou Yumei; Zhu Yongxu; Zhang Zhengdong; Cai Jingjing

2011-01-01

An SISO IEEE 802.11 baseband OFDM transceiver ASIC is implemented. The chip can support all of the SISO IEEE 802.11 work modes by optimizing the key module and sharing the module between the transmitter and receiver. The area and power are decreased greatly compared with other designs. The baseband prototype has been verified under the WLAN baseband test equipment and through transferring the video. The 0.18 μm 1P/6M CMOS technology layout is finished and the chip is fabricated in SMIC, which occupies a 2.6 x 2.6 mm 2 area and consumes 83 mW under typical work modes. (semiconductor integrated circuits)

Design and implementation of an IEEE 802.11 baseband OFDM transceiver in 0.18 μm CMOS

Science.gov (United States)

Bin, Wu; Yumei, Zhou; Yongxu, Zhu; Zhengdong, Zhang; Jingjing, Cai

2011-05-01

An SISO IEEE 802.11 baseband OFDM transceiver ASIC is implemented. The chip can support all of the SISO IEEE 802.11 work modes by optimizing the key module and sharing the module between the transmitter and receiver. The area and power are decreased greatly compared with other designs. The baseband prototype has been verified under the WLAN baseband test equipment and through transferring the video. The 0.18 μm 1P/6M CMOS technology layout is finished and the chip is fabricated in SMIC, which occupies a 2.6 × 2.6 mm2 area and consumes 83 mW under typical work modes.

Design and implementation of an IEEE 802.11 baseband OFDM transceiver in 0.18 {mu}m CMOS

Energy Technology Data Exchange (ETDEWEB)

Wu Bin; Zhou Yumei; Zhu Yongxu; Zhang Zhengdong; Cai Jingjing, E-mail: wubin@ime.ac.cn [Institute of Microelectronics, Chinese Academy of Sciences, Beijing 100029 (China)

2011-05-15

An SISO IEEE 802.11 baseband OFDM transceiver ASIC is implemented. The chip can support all of the SISO IEEE 802.11 work modes by optimizing the key module and sharing the module between the transmitter and receiver. The area and power are decreased greatly compared with other designs. The baseband prototype has been verified under the WLAN baseband test equipment and through transferring the video. The 0.18 {mu}m 1P/6M CMOS technology layout is finished and the chip is fabricated in SMIC, which occupies a 2.6 x 2.6 mm{sup 2} area and consumes 83 mW under typical work modes. (semiconductor integrated circuits)

Writing-to-Learn

Science.gov (United States)

Balachandran, Shreedevi; Venkatesaperumal, Ramesh; Clara, Jothi; Shukri, Raghda K.

2014-01-01

Objectives: The objectives of this study were to assess the attitude of Omani nursing students towards writing-to-learn (WTL) and its relationship to demographic variables, self-efficacy and the writing process Methods: A cross-sectional design was used to evaluate attitudes towards WTL by Sultan Qaboos University nursing students. A convenience sample of 106 students was used and data collected between October 2009 and March 2010. A modified version of the WTL attitude scale developed by Dobie and Poirrier was used to collect the data. Descriptive and inferential statistics were used for analysis. Results: Senior and junior students had more positive attitudes to WTL than mid-level students who tended to have negative attitudes towards writing. Although 52.8% students had negative attitudes towards the writing process, the median was higher for attitudes to the writing process compared to the median for self-efficacy. There was a positive correlation between self-efficacy and writing process scores. Conclusion: Overall, students had negative attitudes towards WTL. Attitudes are learnt or formed through previous experiences. The incorporation of WTL strategies into teaching can transform students’ negative attitudes towards writing into positive ones. PMID:24516740

Secondary Students' Writing Achievement Goals: Assessing the Mediating Effects of Mastery and Performance Goals on Writing Self-Efficacy, Affect, and Writing Achievement

Science.gov (United States)

Yilmaz Soylu, Meryem; Zeleny, Mary G.; Zhao, Ruomeng; Bruning, Roger H.; Dempsey, Michael S.; Kauffman, Douglas F.

2017-01-01

The two studies reported here explored the factor structure of the newly constructed Writing Achievement Goal Scale (WAGS), and examined relationships among secondary students' writing achievement goals, writing self-efficacy, affect for writing, and writing achievement. In the first study, 697 middle school students completed the WAGS. A confirmatory factor analysis revealed a good fit for this data with a three-factor model that corresponds with mastery, performance approach, and performance avoidance goals. The results of Study 1 were an indication for the researchers to move forward with Study 2, which included 563 high school students. The secondary students completed the WAGS, as well as the Self-efficacy for Writing Scale, and the Liking Writing Scale. Students also self-reported grades for writing and for language arts courses. Approximately 6 weeks later, students completed a statewide writing assessment. We tested a theoretical model representing relationships among Study 2 variables using structural equation modeling including students' responses to the study scales and students' scores on the statewide assessment. Results from Study 2 revealed a good fit between a model depicting proposed relationships among the constructs and the data. Findings are discussed relative to achievement goal theory and writing. PMID:28878707

Analysis of Adaptive Control Scheme in IEEE 802.11 and IEEE 802.11e Wireless LANs

Science.gov (United States)

Lee, Bih-Hwang; Lai, Hui-Cheng

In order to achieve the prioritized quality of service (QoS) guarantee, the IEEE 802.11e EDCAF (the enhanced distributed channel access function) provides the distinguished services by configuring the different QoS parameters to different access categories (ACs). An admission control scheme is needed to maximize the utilization of wireless channel. Most of papers study throughput improvement by solving the complicated multidimensional Markov-chain model. In this paper, we introduce a back-off model to study the transmission probability of the different arbitration interframe space number (AIFSN) and the minimum contention window size (CWmin). We propose an adaptive control scheme (ACS) to dynamically update AIFSN and CWmin based on the periodical monitoring of current channel status and QoS requirements to achieve the specific service differentiation at access points (AP). This paper provides an effective tuning mechanism for improving QoS in WLAN. Analytical and simulation results show that the proposed scheme outperforms the basic EDCAF in terms of throughput and service differentiation especially at high collision rate.

Human exposure standards in the frequency range 1 Hz To 100 kHz: the case for adoption of the IEEE standard.

Science.gov (United States)

Patrick Reilly, J

2014-10-01

Differences between IEEE C95 Standards (C95.6-2002 and C95.1-2005) in the low-frequency (1 Hz-100 kHz) and the ICNIRP-2010 guidelines appear across the frequency spectrum. Factors accounting for lack of convergence include: differences between the IEEE standards and the ICNIRP guidelines with respect to biological induction models, stated objectives, data trail from experimentally derived thresholds through physical and biological principles, selection and justification of safety/reduction factors, use of probability models, compliance standards for the limbs as distinct from the whole body, defined population categories, strategies for central nervous system protection below 20 Hz, and correspondence of environmental electric field limits with contact currents. This paper discusses these factors and makes the case for adoption of the limits in the IEEE standards.

Adaptive Radio Resource Allocation in Hierarchical QoS Scheduling for IEEE 802.16 Systems

DEFF Research Database (Denmark)

Wang, Hua; Dittmann, Lars

2007-01-01

Future mobile communication systems such as IEEE 802.16 are expected to deliver a variety of multimedia services with diverse QoS requirements. To guarantee the QoS provision, appropriate scheduler architecture and scheduling algorithms have to be carefully designed. In this paper, we propose...

IEEE 1394 CAMERA IMAGING SYSTEM FOR BROOKHAVENS BOOSTER APPLICATION FACILITY BEAM DIAGNOSTICS

International Nuclear Information System (INIS)

BROWN, K.A.; FRAK, B.; GASSNER, D.; HOFF, L.; OLSEN, R.H.; SATOGATA, T.; TEPIKIAN, S.

2002-01-01

Brookhaven's Booster Applications Facility (BAF) will deliver resonant extracted heavy ion beams from the AGS Booster to short-exposure fixed-target experiments located at the end of the BAF beam line. The facility is designed to deliver a wide range of heavy ion species over a range of intensities from 10 3 to over 10 8 ions/pulse, and over a range of energies from 0.1 to 3.0 GeV/nucleon. With these constraints we have designed instrumentation packages which can deliver the maximum amount of dynamic range at a reasonable cost. Through the use of high quality optics systems and neutral density light filters we will achieve 4 to 5 orders of magnitude in light collection. By using digital IEEE1394 camera systems we are able to eliminate the frame-grabber stage in processing and directly transfer data at maximum rates of 400 Mb/set. In this note we give a detailed description of the system design and discuss the parameters used to develop the system specifications. We will also discuss the IEEE1394 camera software interface and the high-level user interface

Measuring the Effectiveness of Writing Center Consultations on L2 Writers’ Essay Writing Skills

Directory of Open Access Journals (Sweden)

Shanthi Tiruchittampalam

2018-02-01

Full Text Available With the international growth of English-medium education, tertiary institutions are increasingly providing academic support services to L2 students, and thus, the number of writing centers working with L2 student writers has also increased. Writing center practices originated in L1 English educational contexts and their appropriateness for L2 English writers requires examination. This study investigated the effect of writing center consultations on the essay writing skills of L1 Arabic foundation level students at an English-medium university in the Gulf region. Analysis was based on quantitative measures of writing ability of two distinct groups of students: an experimental group who participated in tutoring sessions at the university’s writing center and a control group who did not. Findings indicated that students who participated in writing center consultations scored significantly higher in overall essay writing scores, as well as in two aspects of writing: task fulfilment (that is ideas and text organization/coherence. These findings contribute to a limited bank of similar empirical studies on effectiveness of writing center sessions on students’ essay writing ability. They also support the case for the expansion of writing center work beyond the domains of predominantly L1 English academic communities.

Improving the 5th Formers’ Continuous Writing Skills through the Creative Writing Module

Directory of Open Access Journals (Sweden)

Mohana Ram Murugiah

2013-07-01

Full Text Available Writing is a complex task. The development of students’ writing skill depends on the teacher’s teaching strategy and also the materials used in the writing lesson. In the present study, the effectiveness of a creative writing module was examined that was designed to improve the writing skill of a group of excellent students. It was added with explicit teaching strategies. The selected group of students were students who were in the excellent group but lacked creativity and vocabulary in their writing. The creative writing module was designed to help these students. Students’ improvement was observed through observation in the classrooms during the lessons and through writing task as well as interviews. Two observations were made. One was before the creative writing project was started and another after the completion of the entire task of the module. The interview was carried out to learn about the students’ perception of the module and how do they find the module has helped them.  The result of the research showed that students have shown a great level of improvement in their writing skills. The outcome of this present study could be useful to assist language instructors in helping proficient learners to undergo a more effective second language learning experience.

Writing the Ties that Bind: Service-Learning in the Writing Classroom.

Science.gov (United States)

Cooper, David D.; Julier, Laura

1995-01-01

The Service Learning Writing Project at Michigan State University links service-learning and writing instruction. Students read and discuss American literary and historical texts, write academic analyses of ideas, and practice peer editing and revision in small workshops, while working in service placements in community and nonprofit…

The Writing Mathematician

Science.gov (United States)

Yoon, Caroline

2017-01-01

Popular culture casts mathematics and writing as opposites--a false dichotomy, which can be harmful for our discipline of mathematics education. Positioning writing outside the domain of the mathematician's abilities and cultivated skill set can create doubt in the mathematician wishing to write--not that one cannot be both writer and…

Writing as Praxis

Science.gov (United States)

Yagelski, Robert P.

2012-01-01

In 2003, the National Commission on Writing released "The Neglected "R,"" its report on the state of writing instruction in the nation's schools. The report identified an apparent paradox: writing, which the Commission defines as an essential skill for the many that has helped transform the world, is nevertheless increasingly…

GUIDED USE OF WRITING PROMPTS TO IMPROVE ACADEMIC WRITING IN COLLEGE STUDENTS

Directory of Open Access Journals (Sweden)

Lina Marcela Trigos Carrillo

2011-12-01

Full Text Available The paper presents empirical data supporting the hypothesis that the systematic and guided use of academic writing prompts is a successful instructional strategy to improve the academic writing in Spanish of college students, mainly during their first semesters. A combined methodology, with pre- and post-tests, was used in this research project conducted from July 2009 to June 2010. The participants were freshmen students of different disciplines of the Human Sciences in a private university in Bogota, Colombia. The aim of this research project was twofold. First, it sought to identify the difficulties students faced in the writing process of academic texts when they are related to real communicative contexts. Second, it involved the design and application of the guided and systematic use of writing prompts for academic writing in a sequence called "The Cognitive Pedagogical Model of Writing for Higher Education". The results show empirical evidence supporting the use of writing prompts designed with specific academic purposes to improve the academic writing level of college students in their first stages of study. However, further research is needed to consolidate the results presented here.

Secondary Students' Writing Achievement Goals: Assessing the Mediating Effects of Mastery and Performance Goals on Writing Self-Efficacy, Affect, and Writing Achievement

Directory of Open Access Journals (Sweden)

Meryem Yilmaz Soylu

2017-08-01

Full Text Available The two studies reported here explored the factor structure of the newly constructed Writing Achievement Goal Scale (WAGS, and examined relationships among secondary students' writing achievement goals, writing self-efficacy, affect for writing, and writing achievement. In the first study, 697 middle school students completed the WAGS. A confirmatory factor analysis revealed a good fit for this data with a three-factor model that corresponds with mastery, performance approach, and performance avoidance goals. The results of Study 1 were an indication for the researchers to move forward with Study 2, which included 563 high school students. The secondary students completed the WAGS, as well as the Self-efficacy for Writing Scale, and the Liking Writing Scale. Students also self-reported grades for writing and for language arts courses. Approximately 6 weeks later, students completed a statewide writing assessment. We tested a theoretical model representing relationships among Study 2 variables using structural equation modeling including students' responses to the study scales and students' scores on the statewide assessment. Results from Study 2 revealed a good fit between a model depicting proposed relationships among the constructs and the data. Findings are discussed relative to achievement goal theory and writing.

Exploring Writing Circles as Innovative, Collaborative Writing Structures with Teacher Candidates

Science.gov (United States)

Roberts, Sherron Killingsworth; Blanch, Norine; Gurjar, Nandita

2017-01-01

Writing circles are "small groups... meeting regularly to share drafts, choose common writing topics, practice positive response, and in general, help each other become better writers" (Vopat, 2009, p. 6). In this exploratory study, writing circles were employed with elementary teacher candidates in hopes of enhancing their perceptions…

IEEE standard for qualifying class IE equipment for nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1974-01-01

The Institute of Electrical and Electrical Engineers, Inc. (IEEE) standards for electrical equipment (Class IE) for nuclear power generating stations are given. The standards are to provide guidance for demonstrating and documenting the adequacy of electric equipment used in all Class IE and interface systems. Representative in containment design basis event conditions for the principal reactor types are included in the appendixes for guidance in enviromental simulation

Predictable and reliable ECG monitoring over IEEE 802.11 WLANs within a hospital.

Science.gov (United States)

Park, Juyoung; Kang, Kyungtae

2014-09-01

Telecardiology provides mobility for patients who require constant electrocardiogram (ECG) monitoring. However, its safety is dependent on the predictability and robustness of data delivery, which must overcome errors in the wireless channel through which the ECG data are transmitted. We report here a framework that can be used to gauge the applicability of IEEE 802.11 wireless local area network (WLAN) technology to ECG monitoring systems in terms of delay constraints and transmission reliability. For this purpose, a medical-grade WLAN architecture achieved predictable delay through the combination of a medium access control mechanism based on the point coordination function provided by IEEE 802.11 and an error control scheme based on Reed-Solomon coding and block interleaving. The size of the jitter buffer needed was determined by this architecture to avoid service dropout caused by buffer underrun, through analysis of variations in transmission delay. Finally, we assessed this architecture in terms of service latency and reliability by modeling the transmission of uncompressed two-lead electrocardiogram data from the MIT-BIH Arrhythmia Database and highlight the applicability of this wireless technology to telecardiology.

Comparison of Writing Anxiety and Writing Dispositions of Sixth, Seventh and Eighth Grade Students

Directory of Open Access Journals (Sweden)

Rifat Ramazan Berk

2017-01-01

Full Text Available The purpose of this study is to determine sixth, seventh and eighth grade students’ writing anxiety and dispositions and to examine to what extent they predict each other. The basis of this study is to determine whether writing disposition is the significant predictor of writing anxiety or not and whether students’ grade levels and genders are significant predictor of writing anxiety and dispositions or not. The research was designed according to survey model. The study group, selected through simple sampling method, is made up of 860 students studying at 6th, 7th and 8th grades in elementary schools of Şarkışla District, Sivas. While “Writing Anxiety Scale”, adapted into Turkish by Özbay and Zorbay (2011, was administered to determine the study group’s writing anxiety level, “Writing Disposition Scale”, adapted into Turkish by İşeri and Ünal (2010, was used to determine the writing disposition level. At the end of the study, it was found that writing disposition is a significant predictor of writing anxiety and students’ grade levels and genders are significant predictors of writing anxiety and dispositions. An education environment to create a strong writing disposition for students is recommended. Also, similar studies on different dimensions of the issue can be conducted.

Right Writing (or Writing Right) for Creativity in Advertising.

Science.gov (United States)

Pearce, R. Charles

1989-01-01

Suggests techniques from Peter Elbow's book, "Writing with Power," for an advertising copywriting class. Describes in detail an eight-step procedure: warm-up, loop writing, sharing, revision, sharing, revision, editing group sharing, and revision. (MS)

Real-Time-Simulation of IEEE-5-Bus Network on OPAL-RT-OP4510 Simulator

Science.gov (United States)

Atul Bhandakkar, Anjali; Mathew, Lini, Dr.

2018-03-01

The Real-Time Simulator tools have high computing technologies, improved performance. They are widely used for design and improvement of electrical systems. The advancement of the software tools like MATLAB/SIMULINK with its Real-Time Workshop (RTW) and Real-Time Windows Target (RTWT), real-time simulators are used extensively in many engineering fields, such as industry, education, and research institutions. OPAL-RT-OP4510 is a Real-Time Simulator which is used in both industry and academia. In this paper, the real-time simulation of IEEE-5-Bus network is carried out by means of OPAL-RT-OP4510 with CRO and other hardware. The performance of the network is observed with the introduction of fault at various locations. The waveforms of voltage, current, active and reactive power are observed in the MATLAB simulation environment and on the CRO. Also, Load Flow Analysis (LFA) of IEEE-5-Bus network is computed using MATLAB/Simulink power-gui load flow tool.

A Green Media Access Method for IEEE 802.15.6 Wireless Body Area Network.

Science.gov (United States)

Jacob, Anil K; Jacob, Lillykutty

2017-09-30

It is of utmost importance to conserve battery energy to the maximum possible extent in WBAN nodes while collecting and transferring medical data. The IEEE 802.15.6 WBAN standard does not specify any method to conserve energy. This paper focuses on a method to conserve energy in IEEE 802.15.6 WBAN nodes when using CSMA/CA, while simultaneously restricting data delivery delay to the required value as specified in medical applications. The technique is to allow the nodes to sleep all the times except for receiving beacons and for transmitting data frames whenever a data frame enters an empty buffer. The energy consumed by the nodes and the average latency of data frame for periodical arrival of data are found out analytically. The analytical results are validated and also the proposed method is compared with other energy conserving schemes, using Castalia simulation studies. The proposed method shows superior performance in both device lifetime and latency of emergency medical data.

Impact of Writing Proficiency and Writing Center Participation on Academic Performance

Science.gov (United States)

Bielinska-Kwapisz, Agnieszka

2015-01-01

Purpose: Given that there exists in the literature relatively little research into the effectiveness of writing centers at universities, the purpose of this paper is to show the impact of university writing centers on first-year business seminar student writing. Design/methodology/approach: This quantitative study involved 315 first-year…

Teaching children to write: A meta-analysis of writing intervention research

NARCIS (Netherlands)

Koster, M.; Tribushinina, E.; de Jong, P.F.; van den Bergh, H.

2015-01-01

It has been established that in the Netherlands, as in other countries, a majority of students do not attain the desired level of writing skills at the end of elementary school. Time devoted to writing is limited, and only a minority of schools succeed in effectively teaching writing. An improvement

Teaching Children to Write : A Meta-Analysis of Writing Intervention Research

NARCIS (Netherlands)

Koster, M.P.; Tribushinina, E.|info:eu-repo/dai/nl/31511780X; De Jong, Peter; van den Bergh, H.H.|info:eu-repo/dai/nl/074044400

2015-01-01

It has been established that in the Netherlands, as in other countries, a majority of students do not attain the desired level of writing skills at the end of elementary school. Time devoted to writing is limited, and only a minority of schools succeed in effectively teaching writing. An improvement

WIH-based IEEE 802.11 ECG monitoring implementation.

Science.gov (United States)

Moein, A; Pouladian, M

2007-01-01

New wireless technologies make possible the implementation of high level integration wireless devices which allow the replacement of traditional large wired monitoring devices. It offers new functionalities to physicians and will reduce the costs. Among these functionalities, biomedical signals can be sent to other devices (PDA, PC . . . ) or processing centers, without restricting the patients' mobility. This article discusses the WIH (Ward-In-Hand) structure and the software required for its implementation before an operational example is presented with its results. The aim of this project is the development and implementation of a reduced size electrocardiograph based on IEEE 802.11 with high speed and more accuracy, which allows wireless monitoring of patients, and the insertion of the information into the Wi-Fi hospital networks.

Student Writing Accepted as High-Quality Responses to Analytic Text-Based Writing Tasks

Science.gov (United States)

Wang, Elaine; Matsumura, Lindsay Clare; Correnti, Richard

2018-01-01

Literacy standards increasingly emphasize the importance of analytic text-based writing. Little consensus exists, however, around what high-quality student responses should look like in this genre. In this study, we investigated fifth-grade students' writing in response to analytic text-based writing tasks (15 teachers, 44 writing tasks, 88 pieces…

Early Writing Development: Kindergarten Teachers' Beliefs about Emergent Writing in Qatari Preschool Settings

Science.gov (United States)

Al-Maadadi, Fatima; Ihmeideh, Fathi

2016-01-01

Writing often begins during the very early years of childhood; however, some children first learn writing when they begin attending school. Teachers' beliefs about early writing development can influence when and how children learn to write. The purpose of this study was to determine kindergarten teachers' beliefs about the development of…

Improving Young Children's Writing: The Influence of Story Structure on Kindergartners' Writing Complexity

Science.gov (United States)

Watanabe, Lynne M.; Hall-Kenyon, Kendra M.

2011-01-01

This study examined the change in complexity of kindergarteners' writing after implementing writing instruction based on story elements. Writing samples from six students of three ability levels were collected over a 6-week period. Writing samples included students' oral language, pictures, and written text and were analyzed using two rubrics…

Contributions to the 14th IEEE/NPSS Symposium on fusion engineering

International Nuclear Information System (INIS)

Navarro, A.P.; Almoguera, L.; Alonso Gozalo, J.; Alonso Candenas, J.; Blaumoser, M.

1992-01-01

Three communications about the TJ-II device, under construction at CIEMAT with preferential support from EURATOM, were presented to the 14th IEEE/NPSS Symposium on Fusion Engineering and are collected in this report. The first one describes in detail the device and its present status of design and construction. The remaining two deal with the two most critical components of the project: the vacuum vessel and the central hard conductor. (author) 16 fig. 16 ref

[Mobile Health: IEEE Standard for Wearable Cuffless Blood Pressure Measuring Devices].

Science.gov (United States)

Zhou, Xia; Wu, Wenli; Bao, Shudi

2015-07-01

IEEE Std 1708-2014 breaks through the traditional standards of cuff based blood pressure measuring devices and establishes a normative definition of wearable cuffless blood pressure measuring devices and the objective performance evaluation of this kind of devices. This study firstly introduces the background of the new standard. Then, the standard details will be described, and the impact of cuffless blood pressure measuring devices with the new standard on manufacturers and end users will be addressed.

Writing Anxiety: A Case Study on Students’ Reasons for Anxiety in Writing

OpenAIRE

Kara, Selma

2013-01-01

The purpose of the present study was twofold. First, the present study set out to investigate the learners‟ attitudes towards academic writing courses that they have to take as part of their curriculum, whether they experience second language writing anxiety and what reasons they report for their anxiety and failure in academic writing courses. Second, the study aimed to develop a selfreport measure of second language writing anxiety reasons

Writing Like a Scientist: Exploring Elementary Teachers' Understandings and Practices of Writing in Science

Science.gov (United States)

Glen, Nicole J.; Dotger, Sharon

2013-10-01

This qualitative study examined the connections between elementary teachers’ conceptions of how scientists use writing and how the teachers used writing during science lessons. Data collected included lesson observations, interviews, handouts to students, and curriculum resources. The findings revealed that teachers in this study thought scientists write for several purposes: the presentation of data, observations, experiences, procedures, and facts. The teachers used writing tasks that mirrored this with their students. The teachers also had a limited definition of creativity in writing, and when they had students write creatively in science it was to add in fictional elements. Implications of this study include providing teachers with better models for how and why scientists write, including these models in more inquiry-based science lessons, and directly relating concepts of nature of science to elementary science writing.

Learning Through Reflective Writing: A Teaching Strategy. A Review of: Sen, B. A. (2010. Reflective writing: A management skill. Library Management, 31(1/2, 79-93.

Directory of Open Access Journals (Sweden)

Kristen L. Young

2010-12-01

Full Text Available Objective – To explore student thought on both reflection and reflective writing as a process, and to analyze the writing by the application of clearly defined and identifiable outcomes.Design – Mixed method approach consisting of a qualitative analysis of 116 written reflections from master’s level students as well as a quantitative statistical analysis.Setting –The University of Sheffield masters-level librarianship program’s course INF6005, “Management for LIS.”Subjects – Of the 31 students registered the course during the 2007-2008 academic year, 22 (71%, allowed their reflections to be used for the purposes of research. Of these, 7 students identified themselves as male, and 15 were female. All students included were over 21 years of age and had previous library experience, with varying degrees of management experience in supervisory roles. Not all supervisory experience was gathered within the library domain.Methods –A total of 116 reflective journal entries were submitted by the participating students during the eight month period from October 2008 to May 2009. In order to identify themes, qualitative analysis was applied to the reflective writing responses. Descriptive statistics were also applied to test the hypothesis, illustrate the relationships between reflective writing and outcomes, and locate identifiable outcomes.Main Results – Practising reflection demonstrated benefits for individuals groups both in and outside of the workplace. On the whole, individuals gained the most from reflection and saw it in the most positive light when it was practised as a daily activity. Quantitatively, when students began to master the practice of reflection, they demonstrated an increase in their ability to learn and an overall improvement of self-development and critical thinking skills, and gained a defined awareness of personal mental function. When decision making became easier, students understood they had begun to master

A Security Solution for IEEE 802.11's Ad-hoc Mode:Password-Authentication and Group Diffie-Hellman Key Exchange

Energy Technology Data Exchange (ETDEWEB)

Emmanuel, Bresson; Olivier, Chevassut; David, Pointcheval

2005-10-01

The IEEE 802 standards ease the deployment of networkinginfrastructures and enable employers to accesscorporate networks whiletraveling. These standards provide two modes of communication calledinfrastructure and ad-hoc modes. A security solution for the IEEE802.11's infrastructure mode took several years to reach maturity andfirmware are still been upgraded, yet a solution for the ad-hoc modeneeds to be specified. The present paper is a first attempt in thisdirection. It leverages the latest developments in the area ofpassword-based authentication and (group) Diffie-Hellman key exchange todevelop a provably-secure key-exchange protocol for IEEE 802.11's ad-hocmode. The protocol allows users to securely join and leave the wirelessgroup at time, accommodates either a single-shared password orpairwise-shared passwords among the group members, or at least with acentral server; achieves security against dictionary attacks in theideal-hash model (i.e. random-oracles). This is, to the best of ourknowledge, the first such protocol to appear in the cryptographicliterature.

Performance Analysis of IEEE 802.15.6 CSMA/CA Protocol for WBAN Medical Scenario through DTMC Model.

Science.gov (United States)

Kumar, Vivek; Gupta, Bharat

2016-12-01

The newly drafted IEEE 802.15.6 standard for Wireless Body Area Networks (WBAN) has been concentrating on a numerous medical and non-medical applications. Such short range wireless communication standard offers ultra-low power consumption with variable data rates from few Kbps to Mbps in, on or around the proximity of the human body. In this paper, the performance analysis of carrier sense multiple access with collision avoidance (CSMA/CA) scheme based on IEEE 802.15.6 standard in terms of throughput, reliability, clear channel assessment (CCA) failure probability, packet drop probability, and end-to-end delay has been presented. We have developed a discrete-time Markov chain (DTMC) to significantly evaluate the performances of IEEE 802.15.6 CSMA/CA under non-ideal channel condition having saturated traffic condition including node wait time and service time. We also visualize that, as soon as the payload length increases the CCA failure probability increases, which results in lower node's reliability. Also, we have calculated the end-to-end delay in order to prioritize the node wait time cause by backoff and retransmission. The user priority (UP) wise DTMC analysis has been performed to show the importance of the standard especially for medical scenario.

IEEE Std 383-1974: IEEE standard for type test of Class IE electric cables, field splices, and connections for nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1992-01-01

This standard provides direction for establishing type tests which may be used in qualifying Class 1E electric cables, field splices, and other connections for service in nuclear power generating stations. General guidelines for qualifications are given in IEEE Std 323-1974, Standard for Qualifying Class IE Electric Equipment for Nuclear Power Generating Stations. Categories of cables covered are those used for power control and instrumentation services. Though intended primarily to pertain to cable for field installation, this guide may also be used for the qualification of internal wiring of manufactured devices. This guide does not cover cables for service within the reactor vessel

LEARNING TO TEACH WRITING THROUGH WRITING

Directory of Open Access Journals (Sweden)

Svetlana Suchkova

2013-01-01

Full Text Available This paper discusses some major issues concerning teaching writing to future teachers. There are a lot of EFL/ESL textbooks focused on teaching writing. However, those that are intended for trainee teachers are rare on the market. The goal of this paper is to share the result of several years of work on the writing syllabus and materials that is effective in the process of teaching future teachers. It contains sample of tasks based on certain principles that may promote teachers to become effective writers for themselves and, at the same time, to acquire initial professional skills necessary in their future career. A course book can not address any audience in general. It must focus on a particular learner, the objectives, and content of the process of learning. In the situation when no textbook meets these requirements, the problem of providing students with an appropriate textbook must be solved by creating new textbooks.

7th IEEE International Conference Intelligent Systems

CERN Document Server

Atanassov, KT; Doukovska, L; Hadjiski, M; Jotsov, V; Kacprzyk, J; Kasabov, N; Sotirov, S; Szmidt, E; Zadrożny, S; Filev, D; Jabłkowski, J; Kacprzyk, J; Krawczak, M; Popchev, I; Rutkowski, L; Sgurev, V; Sotirova, E; Szynkarczyk, P

2015-01-01

This two volume set of books constitutes the proceedings of the 2014  7th IEEE International Conference Intelligent Systems (IS), or IEEE IS’2014 for short, held on September 24‐26, 2014 in Warsaw, Poland. Moreover, it contains some selected papers from the collocated IWIFSGN'2014-Thirteenth International Workshop on Intuitionistic Fuzzy Sets and Generalized Nets.The conference was organized by the Systems Research Institute, Polish Academy of Sciences, Department IV of Engineering Sciences, Polish Academy of Sciences, and Industrial Institute of Automation and Measurements - PIAP.The papers included in the two proceedings volumes have been subject to a thorough review process by three highly qualified peer reviewers.Comments and suggestions from them have considerable helped improve the quality of the papers but also the division of the volumes into parts, and assignment of the papers to the best suited parts.  

Language Literacy in Writing

Directory of Open Access Journals (Sweden)

Saeideh Ahangari

2008-05-01

Full Text Available This paper explores the ways in which the transfer of assumptions from first language (L1 writing can help the process of writing in second language (L2. In learning second language writing skills, learners have two primary sources from which they construct a second language system: knowledge and skills from first language and input from second language. To investigate the relative impact of first language literacy skills on second language writing ability, 60 EFL students from Tabriz Islamic Azad University were chosen as participants of this study, based on their language proficiency scores. The subjects were given two topics to write about: the experimental group subjects were asked to write in Persian and then translate their writing into English. The control group wrote in English. The results obtained in this study indicate that the content and vocabulary components of the compositions were mostly affected by the use of first language.

2012 Special NSREC Issue of the IEEE Transactions on Nuclear Science Comments by the Editors

Science.gov (United States)

Schwank, Jim; Brown, Dennis; Girard, Sylvain; Gouker, Pascale; Gerardin, Simone; Quinn, Heather; Barnaby, Hugh

2012-12-01

The December 2012 special issue of the IEEE Transactions on Nuclear Science contains selected papers from the 49th annual IEEE International Nuclear and Space Radiation Effects Conference (NSREC) held July 16-20, 2012, in Miami, Florida USA. 95 papers presented at the 2012 NSREC were submitted for consideration for this year’s special issue. Those papers that appear in this special issue were able to successfully complete the review process before the deadline for the December issue. A few additional papers may appear in subsequent issues of the TRANSACTIONS. This publication is the premier archival journal for research on space and nuclear radiation effects in materials, devices, circuits, and systems. This distinction is the direct result of the conscientious efforts of both the authors, who present and document their work, and the reviewers, who selflessly volunteer their time and talent to help review the manuscripts. Each paper in this journal has been reviewed by experts selected by the editors for their expertise and knowledge of the particular subject areas. The peer review process for a typical technical journal generally takes six months to one year to complete. To publish this special issue of the IEEE Transactions on Nuclear Science (in December), the review process, from initial submission to final form, must be completed in about 10 weeks. Because of the short schedule, both the authors and reviewers are required to respond very quickly. The reviewers listed on the following pages contributed vitally to this quick-turn review process.We would like to express our sincere appreciation to each of them for accepting this difficult, but critical role in the process. To provide consistent reviews of papers throughout the year, the IEEE Transactions on Nuclear Science relies on a year-round editorial board that manages reviews for submissions throughout the year to the TRANSACTIONS in the area of radiation effects. The review process is managed by a Senior

Book Review: Stop, Write!

Directory of Open Access Journals (Sweden)

Hans Thulesius

2013-06-01

Full Text Available This book on writing grounded theory is intended for the empirical GT researcher who wants to pursue his/her research until publication. It is the first book devoted entirely to such a crucial issue as writing grounded theory. Thus, Stop, Write: Writing Grounded Theory, is a practical book that fills a gap in GT methodology. In the first chapter of the book, Dr. Glaser says, “Stop unending conceptualization, unending data coverage, and unending listening to others who would egg you on with additional data, ideas and/or requirements or simply wait too long”. The book teaches the reader how to actually write a grounded theory by “simply” writing up the sorted memos. This requires efficient sorting that is dealt with in chapter two on Sorting Memos, which includes precious repetition from Theoretical Sensitivity (1978. How writing can be done effectively is outlined in chapter three The Working Paper. Then follows chapter four on how to rework the first draft with the different tasks of editing for language and professionalism. Thereafter Dr. Glaser discusses Writing Problems in chapter five where he gives useful guidance on how to overcome writing blocks and problems with supervisors and dissertation committees. The book also deals with publishing and with collaboration as experienced between Barney Glaser and the cofounder of grounded theory, Anselm Strauss.

Writing, Literacy and Technology: Toward a Cyborg Writing.

Science.gov (United States)

Olson, Gary A.

1996-01-01

Presents an interview with feminist social critic Donna Haraway about her call for "cyborg writing," writing that replaces the idea of an authoritative or dominant story with an acknowledgment of the wide range of narratives to be told in science, technology, and other areas. Also questions Haraway about activism for academics, particularly as it…

Writing-to-Learn, Writing-to-Communicate, & Scientific Literacy

Science.gov (United States)

Balgopal, Meena; Wallace, Alison

2013-01-01

Writing-to-learn (WTL) is an effective instructional and learning strategy that centers on the process of organizing and articulating ideas, as opposed to writing-to-communicate, which centers on the finished written product. We describe a WTL model that we have developed and tested with various student groups over several years. With effective…

Rate Adaptation Based on Collision Probability for IEEE 802.11 WLANs

Science.gov (United States)

Kim, Taejoon; Lim, Jong-Tae

Nowadays IEEE 802.11 wireless local area networks (WLANs) support multiple transmission rates. To achieve the best performance, transmitting stations adopt the various forms of automatic rate fallback (ARF). However, ARF suffers from severe performance degradation as the number of transmitting stations increases. In this paper, we propose a new rate adaptation scheme which adjusts the ARF's up/down threshold according to the channel contention level. Simulation result shows that the proposed scheme achieves fairly good performance compared with the existing schemes.

Student-Teachers across the Curriculum Learn to Write Feedback: Does It Reflect on Their Writing?

Science.gov (United States)

Cohen-sayag, Esther

2016-01-01

The study examined the connection between writing competency and writing feedback experiences through academic writing course for student-teachers across the curriculum. The aims of the course were to prepare student-teachers to their role as writing facilitators and to improve their writing. Experimental and control group differed in course plan…

Comparison and Analysis of IEEE 344 and IEC 60980 standards for harmonization of seismic qualification of safety-related equipment

International Nuclear Information System (INIS)

Lee, Young Ok; Kim, Jong Seog; Seo, Jeong Ho; Kim, Myung Jun

2011-01-01

The seismic qualification of safety related equipment in nuclear power plants should demonstrate an equipment's ability to perform its safety function during/or after the time it is subjected to the forces resulting from one SSE. In addition, the equipment must withstand the effects of a number of OBEs, preceding the SSE. IEEE 344 and IEC 60980 present the criteria for establishing procedures demonstrating that the Class 1E equipment can meet its performance requirement during seismic events. Currently, IEEE 344 is used for regulation of nuclear power plant in the United State whereas IEC 60980 is mainly used in Europe. In particular, NPPs of France and China apply with RCC-E and GB that are domestic standards, respectively. Equipment supplier and Utility have difficulties because of different applicable standards. Equipment supplier to export S/R components/equipment to other standard area performs additional seismic qualification. For example, equipment are qualifies according to IEC 60980, RCC-E, GB although they have been qualified in accordance with IEEE 344. Also, utility to attempt power up-rate, life extension of NPP constructed under rules of RCC-E such as Ulchin NPP 1 and 2 has similar difficulties. RCC-E endorses IEC 60980 and GB is almost same as IEC 60980 except minor difference of earthquake environment definition. Therefore this paper surveys the similarities and differences between IEEE 344 and IEC 60980. In addition, this paper considers how the two sets of standards may be used in a complementary fashion to be possible using one or the other standard area

DOMAIN SPECIFIC BELIEFS ABOUT WRITING AND WRITING PERFORMANCE OF PRESERVICE ENGLISH TEACHERS: IS THERE ANY RELATIONSHIP?

Directory of Open Access Journals (Sweden)

Seray Tanyer

2017-07-01

Full Text Available Learning as a retrospective phenomenon can make learners transmit their past as an ingredient while they are (restructuring their present and future. Previous and present experiences can form a basis for cognitive, behavioral and motivational factors which can create a cognitive load for learners and affect their learning process. In this regard, current study aims to investigate first-year undergraduates’ beliefs about writing and relation of these beliefs to writing performance in essay writing. A total of 147 students studying in ELT department of a Turkish university participated in the research. Their domain-specific beliefs about writing were determined through the Beliefs about Writing Survey (BAWS. Writing performance was measured on an essay writing task by calculating both overall grade and six component grades. As a result, multiple regression analysis affirmed that beliefs about writing accounted for writing performance independently. Pearson correlation values showed that some beliefs about writing were adaptive and associated with higher writing scores (e.g. “Adapt to the Audience”. Also, some belief subcategories were associated with each other. The results of the present study have been discussed along with the related literature on beliefs about writing and writing performance. Implications/suggestions related to the coursework, writing practices and future research have been presented.

MBA Students' Workplace Writing: Implications for Business Writing Pedagogy and Workplace Practice

Science.gov (United States)

Lentz, Paula

2013-01-01

Employers frequently complain about the state of their employees' writing skills. Much of the current research on this subject explores workplace writing skills from the employer's perspective. However, this article examines workplace writing from the employees' perspective. Specifically, it analyzes MBA students' responses to a course assignment…

Adaptive Backoff Algorithm for Contention Window for Dense IEEE 802.11 WLANs

Directory of Open Access Journals (Sweden)

Ikram Syed

2016-01-01

Full Text Available The performance improvement in IEEE 802.11 WLANs in widely fluctuating network loads is a challenging task. To improve the performance in this saturated state, we develop an adaptive backoff algorithm that maximizes the system throughput, reduces the collision probability, and maintains a high fairness for the IEEE 802.11 DCF under dense network conditions. In this paper, we present two main advantages of the proposed ABA-CW algorithm. First, it estimates the number of active stations and then calculates an optimal contention window based on the active station number. Each station calculates the channel state probabilities by observing the channel for the total backoff period. Based on these channel states probabilities, each station can estimate the number of active stations in the network, after which it calculates the optimal CW utilizing the estimated active number of stations. To evaluate the proposed mechanism, we derive an analytical model to determine the network performance. From our results, the proposed ABA-CW mechanism achieved better system performance compared to fixed-CW (BEB, EIED, LILD, and SETL and adaptive-CW (AMOCW, Idle Sense mechanisms. The simulation results confirmed the outstanding performance of the proposed mechanism in that it led to a lower collision probability, higher throughput, and high fairness.

THE USE OF RESEARCH PAPER WRITING INSTRUCTIONAL MATERIALSTO IMPROVE STUDENTS‟ACADEMIC WRITING: A CLASSROOM ACTION RESEARCH

Directory of Open Access Journals (Sweden)

M. Ali Ghufron

2017-04-01

Full Text Available Most of students in English Education Department of IKIP PGRI Bojonegoro frequently consider that academic writing, in term of writing scientific paper, is not easy task to do. The result of their academic writing performance at preliminary research indicated that they achieved low scores in writing a scientific article. Consequently, they are not motivated in academic writing. For this case, I used Research Paper Writing Instructional Materials as sources in teaching and learning. This research investigatedwhether the use of Research Paper Writing Instructional Materials can improve students‘ academic writing andhow class situation is when Research Paper Writing Instructional Materials are used as a source of teaching and learning process. This is a Classroom Action Research (CAR which is conducted at the fourth semester students of English Education Department of IKIP PGRI Bojonegoro in the academic year of 2014/2015. This research was done in two cycles. Each cycle consisted of four steps: Planning, Acting, Observing, and Reflecting. The qualitative data were collected through observation and interview. The quantitative data were collected through test. The research findings revealed that the use of Research Paper Writing Instructional Materialscan improve students‘ academic writing and improve students‘ motivation in academic writing class.Derived from the findings, it can be concluded that the use of Research Paper Writing Instructional Materialscan improve students‘ academic writing and class situation. Therefore, it is recommended for the lecturers to use Research Paper Writing Instructional Materialsas it can improve students‘ academic writing as well as class situation.

Acts of Writing: A Compilation of Six Models That Define the Processes of Writing

Science.gov (United States)

Sharp, Laurie A.

2016-01-01

Writing is a developmental and flexible process. Using a prescribed process for acts of writing during instruction does not take into account individual differences of writers and generates writing instruction that is narrow, rigid, and inflexible. Preservice teachers receive limited training with theory and pedagogy for writing, which potentially…

Field Botany and Creative Writing: Where the Science of Writing Meets the Writing of Science

Science.gov (United States)

Killingbeck, Keith

2006-01-01

Merging science and writing to enhance both subjects was the objective of a venture known as "Plant Notes." At first, teacher-written notes served as the inspiration for this writing assignment. Later, eclectic student-written novellas, poems, song lyrics, mnemonic devices, and field trip recollections made their way into "Plant Notes" and stole…

Examining the Read-to-Write Strategy and its Effects on Second Grader’s Writing of Sequential Text

OpenAIRE

Neal, John

2017-01-01

Writing is so important. It is important in school and in our careers; writing is found to be helpful physiologically and psychologically. Experts wonder, with writing so important, why is writing not being adequately taught in the schools. The answer may be that writing is complex and teaching it is even more complex. The Read-to-Write Strategy is a writing model based on the study of exemplary models of text and children are explicitly taught how to write the way an author writes through a ...

Writing Editorials.

Science.gov (United States)

Pappas, Marjorie L.

2003-01-01

Presents a thematic unit for middle schools on editorial writing, or persuasive writing, based on the Pathways Model for information skills lessons. Includes assessing other editorials; student research process journals; information literacy and process skills; and two lesson plans that involve library media specialists as well as teachers. (LRW)

Business Writing.

Science.gov (United States)

Burt, Lorna; Lewandowski, Carol

This workbook, designed for workplace literacy courses, contains materials for a business writing course. The course presents the fundamentals of effective business letter writing, focusing on logical organization, word choice, style, tone, and clarity. The course uses students' own examples as well as practice exercises for reinforcement.…

The Writing Crisis and How to Address It through Developmental Writing Classes

Science.gov (United States)

Sacher, Cassandra L. O.

2016-01-01

Since high school students are failing to master writing proficiency, developmental writing programs at the college level have become increasingly necessary. This article explains the lack of readiness with which students are entering college and the workplace, examines the reasons students are having trouble writing, and describes elements of…

Writing lives in sport

DEFF Research Database (Denmark)

Christensen, Mette Krogh

dealing with anonymous individuals, whose anonymity results from the confidentiality requirements of a social scientific research methodology, to those leaning more towards the literary-historical traditions of 'conventional' biographical writing. However, these examples are polar extremes and none...... in the academis world of sport studies. It does not set out to be a methodological treatise but through the writing of lives in sports does raise questions of method. Each essay in this collection deals with problems of writing sports-people's lives. These essays could be said to fall along a spectrum from those......Writing lives in sport is a book of stories about sports-persons. The people concerned include sports stars, sports people who are not quite so famous, and relatively unknown physical education teachers and sports scientists.Writing lives in sport raises questions about writing biographies...

Cross-Layer Measurement on an IEEE 802.11g Wireless Network Supporting MPEG-2 Video Streaming Applications in the Presence of Interference

Directory of Open Access Journals (Sweden)

Alessandro Sona

2010-01-01

Full Text Available The performance of wireless local area networks supporting video streaming applications, based on MPEG-2 video codec, in the presence of interference is here dealt with. IEEE 802.11g standard wireless networks, that do not support QoS in according with IEEE 802.11e standard, are, in particular, accounted for and Bluetooth signals, additive white Gaussian noise, and competitive data traffic are considered as sources of interference. The goal is twofold: from one side, experimentally assessing and correlating the values that some performance metrics assume at the same time at different layers of an IEEE 802.11g WLAN delivering video streaming in the presence of in-channel interference; from the other side, deducing helpful and practical hints for designers and technicians, in order to efficiently assess and enhance the performance of an IEEE 802.11g WLAN supporting video streaming in some suitable setup conditions and in the presence of interference. To this purpose, an experimental analysis is planned following a cross-layer measurement approach, and a proper testbed within a semianechoic chamber is used. Valuable results are obtained in terms of signal-to-interference ratio, packet loss ratio, jitter, video quality, and interference data rate; helpful hints for designers and technicians are finally gained.

A Fair Cooperative MAC Protocol in IEEE 802.11 WLAN

Directory of Open Access Journals (Sweden)

Seyed Davoud Mousavi

2018-05-01

Full Text Available Cooperative communication techniques have recently enabled wireless technologies to overcome their challenges. The main objective of these techniques is to improve resource allocation. In this paper, we propose a new protocol in medium access control (MAC of the IEEE 802.11 standard. In our new protocol, which is called Fair Cooperative MAC (FC-MAC, every relay node participates in cooperation proportionally to its provided cooperation gain. This technique improves network resource allocation by exploiting the potential capacity of all relay candidates. Simulation results demonstrate that the FC-MAC protocol presents better performance in terms of throughput, fairness, and network lifetime.

Supporting the Thesis Writing Process of International Research Students through an Ongoing Writing Group

Science.gov (United States)

Li, Linda Y.; Vandermensbrugghe, Joelle

2011-01-01

Evidence from research suggests writing support is particularly needed for international research students who have to tackle the challenges of thesis writing in English as their second language in Western academic settings. This article reports the development of an ongoing writing group to support the thesis writing process of international…

The Relationship between Writing Strategies, Self-Efficacy and Writing Ability: A Case of Iranian EFL Students

Directory of Open Access Journals (Sweden)

Behrooz Ghoorchaei

2017-09-01

Full Text Available The aim of the present study was to explore the relationship between self-efficacy beliefs, writing strategies, and writing abilities of Iranian EFL learners. The study first investigated the relationship between self-efficacy and writing strategies, then examined the relationship between self-efficacy and writing ability. The participants were 120 students learning English in Iran Language Institute in Gorgan, Iran. Data were gathered by means of a writing strategies questionnaire, a self-efficacy belief questionnaire, and an IELTS writing task. The results of Pearson correlation tests showed that there were significant relationship between self-efficacy and writing strategies on the one hand, and self-efficacy and writing ability on the other hand. The results have some implications for teaching writing in the EFL context.

Write Soon!

Science.gov (United States)

Rasinski, Timothy; Padak, Nancy

2009-01-01

This article explores the possibilities of using natural writing opportunities that occur in family life to nurture children's literacy development. From notes to lists to journals to parodies, families can use writing to nurture personal relationships and simultaneously improve literacy. Specific tips for teachers to share with parents in making…

THE INFLUENCE OF LANGUAGE COMPETENCE, WRITING COMPETENCE, AND CULTURAL COMPETENCE ON PRODUCING A SUCCESSFUL WRITING

Directory of Open Access Journals (Sweden)

Hermanto Hermanto

2008-11-01

Full Text Available Writing is a skill derived from a long way of learning and exercises. Different from other language skills, writing is considered the difficult language skill to acquire since it involves many aspects of linguistics, social, and writing knowledge and conventions. There are at least three important elements of writing useful to produce a good piece of composition, language competence, writing competence and cultural competence. This paper shows the influence of these three elements in order to produce good, readable, communicative, and successful writing

An Asynchronous IEEE Floating-Point Arithmetic Unit

Directory of Open Access Journals (Sweden)

Joel R. Noche

2007-12-01

Full Text Available An asynchronous floating-point arithmetic unit is designed and tested at the transistor level usingCadence software. It uses CMOS (complementary metal oxide semiconductor and DCVS (differentialcascode voltage switch logic in a 0.35 µm process using a 3.3 V supply voltage, with dual-rail data andsingle-rail control signals using four-phase handshaking.Using 17,085 transistors, the unit handles single-precision (32-bit addition/subtraction, multiplication,division, and remainder using the IEEE 754-1985 Standard for Binary Floating-Point Arithmetic, withrounding and other operations to be handled by separate hardware or software. Division and remainderare done using a restoring subtractive algorithm; multiplication uses an additive algorithm. Exceptionsare noted by flags (and not trap handlers and the output is in single-precision.Previous work on asynchronous floating-point arithmetic units have mostly focused on single operationssuch as division. This is the first work to the authors' knowledge that can perform floating-point addition,multiplication, division, and remainder using a common datapath.

The Relationship between Writing Anxiety and Writing Disposition among Secondary School Students

Science.gov (United States)

Cocuk, Halil Erdem; Yanpar Yelken, Tugba; Ozer, Omer

2016-01-01

Problem Statement: Writing is important in secondary schools because it underpins the performance of students in most examinations. Writing disposition, which specifically deals with the aspects of students' attitudes toward writing, has also been studied by some researchers. Purpose of the Study: This study reports on the result of a study on the…

The Write Stuff: Teaching the Introductory Public Relations Writing Course.

Science.gov (United States)

King, Cynthia M.

2001-01-01

Outlines an introductory public relations writing course. Presents course topics and objectives, and assignments designed to meet them. Provides a sample grading rubric and evaluates major public relations writing textbooks. Discusses learning and assessment strategies. (SR)

Performance characterization of the IEEE 802.11 signal transmission over a multimode fiber PON

Science.gov (United States)

Maksymiuk, L.; Siuzdak, J.

2014-11-01

In this paper there are presented measurements concerning performance analysis of the IEEE 802.11 signal distribution over multimode fiber based passive optical network. In the paper there are addressed three main sources of impairments: modal noise, frequency response fluctuation of the multimode fiber and non-linear distortion of the signal in the receiver.

Multitemporal Very High Resolution From Space: Outcome of the 2016 IEEE GRSS Data Fusion Contest

NARCIS (Netherlands)

Mou, L.; Zhu, X.; Vakalopoulou, M.; Karantzalos, K.; Paragios, N.; Saux, Le B.; Moser, G.; Tuia, D.

2017-01-01

In this paper, the scientific outcomes of the 2016 Data Fusion Contest organized by the Image Analysis and Data Fusion Technical Committee of the IEEE Geoscience and Remote Sensing Society are discussed. The 2016 Contest was an open topic competition based on a multitemporal and multimodal dataset,

Dynamic Contention Window Control Scheme in IEEE 802.11e EDCA-Based Wireless LANs

Science.gov (United States)

Abeysekera, B. A. Hirantha Sithira; Matsuda, Takahiro; Takine, Tetsuya

In the IEEE 802.11 MAC protocol, access points (APs) are given the same priority as wireless terminals in terms of acquiring the wireless link, even though they aggregate several downlink flows. This feature leads to a serious throughput degradation of downlink flows, compared with uplink flows. In this paper, we propose a dynamic contention window control scheme for the IEEE 802.11e EDCA-based wireless LANs, in order to achieve fairness between uplink and downlink TCP flows while guaranteeing QoS requirements for real-time traffic. The proposed scheme first determines the minimum contention window size in the best-effort access category at APs, based on the number of TCP flows. It then determines the minimum and maximum contention window sizes in higher priority access categories, such as voice and video, so as to guarantee QoS requirements for these real-time traffic. Note that the proposed scheme does not require any modification to the MAC protocol at wireless terminals. Through simulation experiments, we show the effectiveness of the proposed scheme.

Performance modeling of a two-tier primary-secondary network with IEEE 802.11 broadcast scheme

KAUST Repository

Khabazian, Mehdi

2011-03-01

In this paper, we study the performance of a two-tier primary-secondary network based on IEEE 802.11 broadcast scheme. We assume that a number of primary and secondary users coexist in the radio environment and share a single band. To protect the primary users\\' priority, the secondary users are allowed to contend for the channel only if they sense it idle for a certain sensing time. Considering an exponential packet inter-arrival time for the primary network, we model each primary user as an independent M/G/1 queue. Subsequently, we determine the primary users\\' average medium access delay in the presence of secondary users as well as the hybrid network\\'s throughput. Numerical results and discussions show the effects of parameters pertaining to the secondary users, such as as sensing time, packet payload size and population size, on the performance of the primary network. Furthermore, we provide simulation results which confirm the accuracy of the proposed analysis. © 2011 IEEE.

Performance modeling of a two-tier primary-secondary network with IEEE 802.11 broadcast scheme

KAUST Repository

Khabazian, Mehdi; Aissa, Sonia; El Kefi, Rania

2011-01-01

In this paper, we study the performance of a two-tier primary-secondary network based on IEEE 802.11 broadcast scheme. We assume that a number of primary and secondary users coexist in the radio environment and share a single band. To protect the primary users' priority, the secondary users are allowed to contend for the channel only if they sense it idle for a certain sensing time. Considering an exponential packet inter-arrival time for the primary network, we model each primary user as an independent M/G/1 queue. Subsequently, we determine the primary users' average medium access delay in the presence of secondary users as well as the hybrid network's throughput. Numerical results and discussions show the effects of parameters pertaining to the secondary users, such as as sensing time, packet payload size and population size, on the performance of the primary network. Furthermore, we provide simulation results which confirm the accuracy of the proposed analysis. © 2011 IEEE.

Performance Analysis of IEEE 802.11g TCM Waveforms Transmitted over a Channel with Pulse-Noise Interference

National Research Council Canada - National Science Library

Drivas, Athanasios

2007-01-01

.... The application of TCM combines FEC coding and M-ary modulation in one operation. The objective of this thesis is to investigate the performance of an orthogonal frequency-division multiplexing (OFDM) based IEEE...

The Relation of College Student Self-Efficacy toward Writing and Writing Self-Regulation Aptitude: Writing Feedback Perceptions as a Mediating Variable

Science.gov (United States)

Ekholm, Eric; Zumbrunn, Sharon; Conklin, Sarah

2015-01-01

Despite the powerful effect feedback often has on student writing success more research is needed on how students emotionally react to the feedback they receive. This study tested the predictive and mediational roles of college student writing self-efficacy beliefs and feedback perceptions on writing self-regulation aptitude. Results suggested…

Writing in History: Effects of writing instruction on historical reasoning and text quality

NARCIS (Netherlands)

van Drie, J.; Braaksma, M.; van Boxtel, C.

2015-01-01

This study aims at gaining more insight in effective writing instruction to promote historical reasoning. In an experimental study, two types of instructions were compared; a general writing instruction and a discipline-based writing instruction. In addition, the effects of these instructions for

Mathematical Analysis of EDCA's Performance on the Control Channel of an IEEE 802.11p WAVE Vehicular Network

Directory of Open Access Journals (Sweden)

Hussein T. Mouftah

2010-01-01

Full Text Available Wireless networks for vehicular environments are gaining increasing importance due to their ability to provide a means for stations on the roadside and radio units on board of vehicles to communicate and share safety-related information, thus reducing the probability of accidents and increasing the efficiency of the transportation system. With this goal in mind, the IEEE is currently developing the Wireless Access in Vehicular Environments (WAVE IEEE 802.11p standard. WAVE devices use the IEEE 802.11's Enhanced Distributed Channel Access (EDCA MAC protocol to compete for the transmission medium. This work proposes an analytical tool to evaluate the performance of EDCA under the specific conditions of the so-called control channel (CCH of a WAVE environment, including the particular EDCA parameter values and the fact that all safety-critical data frames are broadcasted. The protocol is modeled using Markov chains and results related to throughput, frame-error rate, buffer occupancy and delay are obtained under different traffic-load conditions. The main analysis is performed assuming that the CCH works continuously, and then an explanation is given as to the considerations that are needed to account for the fact that activity on the CCH is intermittent.

IEEE 845 - a proposed guideline for use of human factors in design and retrofit design of nuclear power plants

International Nuclear Information System (INIS)

Schurman, D.L.

1987-01-01

This paper describes the development and content of the Institute of Electrical and Electronics Engineers (IEEE) Standard 845. This guide was developed by Working Group 7.2 of Subcommittee 7 of the Nuclear Power Engineering Committee of the Power Engineering Society of the IEEE. The guide has been approved by the Nuclear Power Engineering Committee (NPEC) and is now in the standards development and approval process. The guide is the first standards action approved by the NPEC of IEEE and is presented here to obtain wider peer response to its content. The guide provides a systematic framework for selection of human factors techniques and for the use of those techniques. The guide also provides a list of commonly used human factors techniques, along with a commentary about cost, ease of use, and other characteristics of each of the techniques. The guide is written with the project engineer and design engineer in mind. Thus, the guide attempts to provide a basis for the systematic selection of human factors techniques for various purposes and guidance regarding which of these techniques is likely to require the assistance of a human factors expert to apply

Writing Blocks and Tacit Knowledge.

Science.gov (United States)

Boice, Robert

1993-01-01

A review of the literature on writing block looks at two kinds: inability to write in a timely, fluent fashion, and reluctance by academicians to assist others in writing. Obstacles to fluent writing are outlined, four historical trends in treating blocks are discussed, and implications are examined. (MSE)

IEEE Conference Record of 1980 Fourteenth Pulse Power Modulator Symposium, 3-5 June 1980.

Science.gov (United States)

1980-01-01

Capacitor Discharges, Proc IEEE 113, p. able operation on Nova we are examing alter- 1549 (1966). nate switch gas (Ar:N 2 :SF 6 ) and electrode material...VOLTTA-KILOVOLTS PLATE VO LTAM --LOVLTS Figure 8. Constant Current Curve for the X2097U Figure 11. Constant Current Curve for the X2097V at 2000 Volt

Reliable and Efficient Access for Alarm-initiated and Regular M2M Traffic in IEEE 802.11ah Systems

DEFF Research Database (Denmark)

Madueño, Germán Corrales; Stefanovic, Cedomir; Popovski, Petar

2016-01-01

IEEE 802.11ah is a novel WiFi-based protocol, aiming to provide an access solution for the machine-to-machine (M2M) communications. In this paper, we propose an adaptive access mechanism that can be seamlessly incorporated into IEEE 802.11ah protocol operation and that supports all potential M2M...... reporting regimes, which are periodic, on-demand and alarm reporting. The proposed access method is based a periodically re- occurring pool of time slots, whose size is proactively determined on the basis of the reporting activity in the cell. We show that it is possible to both efficiently and reliably...

Development and results of a test program to demonstrate compliance with IEEE STD 384 and R.G. 1.75 electrical separation requirements

International Nuclear Information System (INIS)

Eckert, G.P.; Heneberry, E.F.; Walker, F.P.; Konkus, J.F.

1987-01-01

The IEEE Std 384-1974, entitled ''Criteria for Separation of Class 1E Equipment and Circuits,'' contains criteria to ensure the independence of redundant Class 1E equipment when designing electrical systems in nuclear plants. The NRC, in R.G. 1.75 Rev. 2, 1978, endorses, with comments, IEEE-384, as the means of achieving independence. One method given in IEEE-384, is that of maintaining a specified separation between components; another method utilizes a combination of separation and barriers. The standard also allows alternative methods to be used when justified by test-based analyses. This paper is a report of a test program undertaken to provide a basis for analysis in the development of alternative methods of achieving separation. The test parameters developed and used, and the results obtained, should prove useful in determining alternative methods of complying with R.G. 1.75 requirements

Teaching the Writing Process

Science.gov (United States)

Keen, John

2017-01-01

This article outlines some cognitive process models of writing composition. Possible reasons why students' writing capabilities do not match their abilities in some other school subjects are explored. Research findings on the efficacy of process approaches to teaching writing are presented and potential shortcomings are discussed. Product-based…

Impacto de mecanismos de seguridad en sensores IEEE 802.15.4

OpenAIRE

Tripp Barba, Carolina; Casademont Serra, Jordi

2009-01-01

En la actualidad son muchos los mecanismos de seguridad que el estándar IEEE 802.15.4 permite a las redes inalámbricas de sensores [1] Dicho estándar define las especificaciones de la Capa de Acceso al Medio y la Capa Física de los dispositivos inalámbricos de área personal. La última revisión corresponde al 2006. Dichas revisiones y actualizaciones son hechas por el grupo de trabajo 802.15. Sin embargo estos mecanismos consumen recursos como memoria y batería, que son...

Impact of cell load on 5GHz IEEE 802.11 WLAN

OpenAIRE

Abu-Tair, Mamoun; Bhatti, Saleem Noel

2017-01-01

We have conducted an empirical study of the latest 5GHz IEEE 802.11 wireless LAN (WLAN) variants of 802.11n (5GHz) and 802.11ac (Wave 1), under different cell load conditions. We have considered typical configurations of both protocols on a Linux testbed. Under light load,there is no clear difference between 802.11n and 802.11ac in terms of performance and energy consumption. However, in some cases of high cell load, we have found that there may be a small advantage with 802.11ac. Overall, we...

Technical report writing

Science.gov (United States)

Vidoli, Carol A.

1992-01-01

This manual covers the fundamentals of organizing, writing, and reviewing NASA technical reports. It was written to improve the writing skills of LeRC technical authors and the overall quality of their reports.

Process-Product Approach to Writing: the Effect of Model Essays on EFL Learners’ Writing Accuracy

Directory of Open Access Journals (Sweden)

Parastou Gholami Pasand

2013-01-01

Full Text Available Writing is one the most important skills in learning a foreign language. The significance of being able to write in a second or foreign language has become clearer nowadays. Accordingly, different approaches to writing such as product approach, process approach and more recently process-product approach came into existence and they have been the concern of SL/FL researchers. The aim of this study is to answer the question that whether the use of an incomplete model text in process-product approach to writing and asking the learners to complete the text rather than copying it can have a positive impact on EFL learners’ accuracy in writing. After training a number of EFL learners on using process approach, we held a two-session writing class. In the first session students wrote in the process approach, and in the second one they were given a model text to continue in the process-product approach. The writing performance of the students in these two sessions was compared in term of accuracy. Based on the students’ writing performance, we came to the conclusion that completing the model text in process-product writing can have a rather positive influence in some aspects of their writing accuracy such as punctuation, capitalization, spelling, subject-verb agreement, tense, the use of connectors, using correct pronouns and possessives. Also the results of the paired t-test indicate that using a model text to continue increased students’ writing accuracy.

Classroom Writing Environments and Children's Early Writing Skills: An Observational Study in Head Start Classrooms

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Zhang, Chenyi; Hur, Jinhee; Diamond, Karen E.; Powell, Douglas

2015-01-01

This study examined the classroom writing environment in 31 Head Start classrooms, and explored the relations between the writing environment, children's (N = 262) name-writing, and children's letter knowledge using pathway analysis. Our analyses showed that Head Start classrooms provided opportunities (i.e., writing materials and teachers'…

Faculty Feelings as Writers: Relationship with Writing Genres, Perceived Competences, and Values Associated to Writing

Science.gov (United States)

del Pilar Gallego Castaño, Liliana; Castelló Badia, Montserrat; Badia Garganté, Antoni

2016-01-01

This study attempts to relate faculty feelings towards writing with writing genres, perceived competences and values associated to writing. 67 foreign languages faculty in Colombia and Spain voluntarily filled in a four-section on-line questionnaire entitled "The Writing Feelings Questionnaire." All the sections were Likert Scale type.…

Writing Research Reports.

Science.gov (United States)

Sessler, Daniel I; Shafer, Steven

2018-01-01

Clear writing makes manuscripts easier to understand. Clear writing enhances research reports, increasing clinical adoption and scientific impact. We discuss styles and organization to help junior investigators present their findings and avoid common errors.

The Performance Evaluation of an IEEE 802.11 Network Containing Misbehavior Nodes under Different Backoff Algorithms

Directory of Open Access Journals (Sweden)

Trong-Minh Hoang

2017-01-01

Full Text Available Security of any wireless network is always an important issue due to its serious impacts on network performance. Practically, the IEEE 802.11 medium access control can be violated by several native or smart attacks that result in downgrading network performance. In recent years, there are several studies using analytical model to analyze medium access control (MAC layer misbehavior issue to explore this problem but they have focused on binary exponential backoff only. Moreover, a practical condition such as the freezing backoff issue is not included in the previous models. Hence, this paper presents a novel analytical model of the IEEE 802.11 MAC to thoroughly understand impacts of misbehaving node on network throughput and delay parameters. Particularly, the model can express detailed backoff algorithms so that the evaluation of the network performance under some typical attacks through numerical simulation results would be easy.

A pseudo differential Gm—C complex filter with frequency tuning for IEEE802.15.4 applications

Science.gov (United States)

Xin, Cheng; Lungui, Zhong; Haigang, Yang; Fei, Liu; Tongqiang, Gao

2011-07-01

This paper presents a CMOS Gm—C complex filter for a low-IF receiver of the IEEE 802.15.4 standard. A pseudo differential OTA with reconfigurable common mode feedback and common mode feed-forward is proposed as well as the frequency tuning method based on a relaxation oscillator. A detailed analysis of non-ideality of the OTA and the frequency tuning method is elaborated. The analysis and measurement results have shown that the center frequency of the complex filter could be tuned accurately. The chip was fabricated in a standard 0.35 μm CMOS process, with a single 3.3 V power supply. The filter consumes 2.1mA current, has a measured in-band group delay ripple of less than 0.16 μs and an IRR larger than 28 dB at 2 MHz apart, which could meet the requirements oftheIEEE802.15.4 standard.

Technical Writing in Hydrogeology.

Science.gov (United States)

Tinker, John R., Jr.

1986-01-01

A project for Writing Across the Curriculum at the University of Wisconsin-Eau Claire is described as a method to relate the process of writing to the process of learning hydrology. The project focuses on an actual groundwater contamination case and is designed to improve the technical writing skills of students. (JN)

Writing and Science Literacy

Science.gov (United States)

Weiss-Magasic, Coleen

2012-01-01

Writing activities are a sure way to assess and enhance students' science literacy. Sometimes the author's students use technical writing to communicate their lab experiences, just as practicing scientists do. Other times, they use creative writing to make connections to the topics they're learning. This article describes both types of writing…

The Evolution of a Writing Program.

Science.gov (United States)

White, Bonnie J; Lamson, Karen S

2017-07-01

Scholarly writing is required in nursing, and some students are unable to communicate effectively through writing. Faculty members may struggle with the grading of written assignments. A writing team, consisting of a nursing faculty member, the school of nursing library liaison, and members from academic support services, implemented strategies including workshops, handouts, and use of exemplars to improve student writing and to provide support to faculty. Few students sought help from the writing team. An online writing center within the existing learning management system was developed to address nursing students' and faculty's scholarly writing needs. The writing center includes guides, tutorials, and exemplars. Anecdotal evidence indicates the use of the writing center during afternoons and evenings and prior to due dates of written assignments. Online writing resources were used more frequently than face-to-face support. Further research is needed to evaluate the effectiveness of the program. [J Nurs Educ. 2017;56(7):443-445.]. Copyright 2017, SLACK Incorporated.

The writing approaches of secondary students.

Science.gov (United States)

Lavelle, Ellen; Smith, Jennifer; O'Ryan, Leslie

2002-09-01

Research with college students has supported a model of writing approaches that defines the relationship between a writer and writing task along a deep and surface process continuum (Biggs, 1988). Based on that model, Lavelle (1993) developed the Inventory of Processes in College Composition which reflects students' motives and strategies as related to writing outcomes. It is also important to define the approaches of secondary students to better understand writing processes at that level, and development in written composition. This study was designed to define the writing approaches of secondary students by factor analysing students' responses to items regarding writing beliefs and writing strategies, and to compare the secondary approaches to those of college students. A related goal was to explore the relationships of the secondary writing approaches to perceived self-regulatory efficacy for writing (Zimmerman & Bandura, 1994), writing preferences, and writing outcomes. The initial, factor analytic phase involved 398 junior level high school students (11th grade) enrolled in a mandatory language arts class at each of three large Midwestern high schools (USA). Then, 49 junior level students enrolled in two language arts classes participated as subjects in the second phase. Classroom teachers administered the Inventory of Processes in College Composition (Lavelle, 1993), which contained 72 true-or-false items regarding writing beliefs and strategies, during regular class periods. Data were factor analysed and the structure compared to that of college students. In the second phase, the new inventory, Inventory of Processes in Secondary Composition, was administered in conjunction with the Perceived Self-Regulatory Efficacy for Writing Inventory (Zimmerman & Bandura, 1994), and a writing preferences survey. A writing sample and grade in Language Arts classes were obtained and served as outcome variables. The factor structure of secondary writing reflected three

The New Interface for Writing

Science.gov (United States)

Hadi-Tabassum, Samina

2014-01-01

Schools are scrambling to prepare their students for the writing assessments in correlation with the Common Core tests. In some states, writing has not been assessed for more than a decade. Yet, with the use of computerized grading of the students' writing, many teachers are wondering how to best prepare students for the writing assessments,…

The Quotation Theory of Writing

Science.gov (United States)

Olson, David R.; Oatley, Keith

2014-01-01

Learning to read and write is seen as both the acquisition of skills useful in a modern society and an introduction to a world increasingly organized around the reading and writing of authoritative texts. While most agree on the importance of writing, insufficient attention has been given to the more basic question of just what writing is, that…

Student Perceptions of Scholarly Writing

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Shirley Peganoff O'Brien

2016-07-01

Full Text Available Learning the process of scholarly writing, including the significance of peer review, is an essential element in the preparation of students for professional practice. This descriptive research study, using Scholarship of Teaching and Learning methodology, explores one approach to teaching scholarly writing in an occupational science/occupational therapy curriculum. The writing assignment was designed to offer multiple points for feedback and revision and instructional features to reinforce learning. A survey of students [n = 169] participating in this scholarly writing project was conducted yearly to gather their perceptions of learning. The results revealed four key elements: instructional strategies are needed to support scholarly writing, students value explicit instructor feedback, a successful writing experience opens the possibility for students to write in their professional future, and students will develop the habits of a writer given structure and pedagogical considerations in the assignment construction. This experience shows students will work to achieve the expected standard for scholarship once writing is made an essential part of the course and their efforts are supported by scaffolding the assignment. Through this experience, it was also learned students need opportunities for repetition and practice to refine scholarly writing. Suggestions for future research are proposed.

The Impact of Computer-Assisted Writing on Improving Writing Scores for Urban Eighth-Grade Students

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Williams-Butler, LaTilya

2016-01-01

The purpose of this study was to investigate the impact standards-based aligned computer-assisted writing instruction had on improving writing scores for eighth-grade students that attend an urban middle school. The researcher wanted to remedy the problem of low writing achievement of eighth-grade students and determine if writing across the…

What Basic Writers Think about Writing.

Science.gov (United States)

Eves-Bowden, Anmarie

2001-01-01

Explores basic writing students' current writing processes, their thoughts on their writing, and their introduction to a structured writing process model. Suggests that educators can assist basic writers in becoming successful college writers by introducing them to a structured writing process model while also helping them to become reflective…

Evaluating Writing Instruction through an Investigation of Students' Experiences of Learning through Writing

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Ellis, Robert A.; Taylor, Charlotte E.; Drury, Helen

2005-01-01

Learning through writing is a way of learning not only the appropriate written expression of disciplinary knowledge, but also the knowledge itself through reflection and revision. This study investigates the quality of a writing experience provided to university students in a first-year biology subject. The writing instruction methodology used is…

The science writing tool

Science.gov (United States)

Schuhart, Arthur L.

This is a two-part dissertation. The primary part is the text of a science-based composition rhetoric and reader called The Science Writing Tool. This textbook has seven chapters dealing with topics in Science Rhetoric. Each chapter includes a variety of examples of science writing, discussion questions, writing assignments, and instructional resources. The purpose of this text is to introduce lower-division college science majors to the role that rhetoric and communication plays in the conduct of Science, and how these skills contribute to a successful career in Science. The text is designed as a "tool kit," for use by an instructor constructing a science-based composition course or a writing-intensive Science course. The second part of this part of this dissertation reports on student reactions to draft portions of The Science Writing Tool text. In this report, students of English Composition II at Northern Virginia Community College-Annandale were surveyed about their attitudes toward course materials and topics included. The findings were used to revise and expand The Science Writing Tool.

An ESL Audio-Script Writing Workshop

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Miller, Carla

2012-01-01

The roles of dialogue, collaborative writing, and authentic communication have been explored as effective strategies in second language writing classrooms. In this article, the stages of an innovative, multi-skill writing method, which embeds students' personal voices into the writing process, are explored. A 10-step ESL Audio Script Writing Model…

Writing for Professional Publication: Three Road Signs for Writing Success

Science.gov (United States)

Buttery, Thomas J.

2010-01-01

In the first edition of Writing for Publication: An Organizational Paradigm (Buttery, 2010), I recommend a model for organizing theoretical articles. The process includes seven components: title, introduction, outline/advanced organizer, headings, transitions, summary and references. This article will focus on the writing process. The strands of…

Building a scholar in writing (BSW): A model for developing students' critical writing skills.

Science.gov (United States)

Bailey, Annette; Zanchetta, Margareth; Velasco, Divine; Pon, Gordon; Hassan, Aafreen

2015-11-01

Several authors have highlighted the importance of writing in developing reflective thinking skills, transforming knowledge, communicating expressions, and filling knowledge gaps. However, difficulties with higher order processing and critical analysis affect students' ability to write critical and thoughtful essays. The Building a Scholar in Writing (BSW) model is a 6-step process of increasing intricacies in critical writing development. Development of critical writing is proposed to occur in a processed manner that transitions from presenting simple ideas (just bones) in writing, to connecting ideas (connecting bones), to formulating a thesis and connecting key components (constructing a skeleton), to supporting ideas with evidence (adding muscle), to building creativity and originality (adding essential organs), and finally, developing strong, integrated, critical arguments (adding brain). This process symbolically represents the building of a scholar. The idea of building a scholar equates to progressively giving life and meaning to a piece of writing with unique scholarly characteristics. This progression involves a transformation in awareness, thinking, and understanding, as well as advancement in students' level of critical appraisal skills. Copyright © 2015 Elsevier Ltd. All rights reserved.

SOME THOUGHTS ON WRITING SKILLS

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Sim Monica Ariana

2010-07-01

Full Text Available Writing is one of the central pillars of language learning and should be of major interest and concern to teachers, students and researchers. This paper is intended to be a plea for writing and explores issues regarding instruction and evaluation of writing skills of nonnative speaker students. It examines expectations of nonnative speakers writing quality and performance on writing proficiency exams, as well. Finally, it is trying to ring a bell about this skill that has been neglected in spite of its importance when it comes to foreign language acquisition

Improving Writing through Stages

Science.gov (United States)

Rivera Barreto, Adriana Maritza

2011-01-01

Writing as a means of communication is one of the basic skills students must master at the university level. Although it is not an easy task because students are usually reluctant to correct, teachers have great responsibility at the time of guiding a writing process. For that reason, this study aimed at improving the writing process in fourth…

LUDIC WRITING: CHALLENGES IN GAMIFYING ENGLISH CREATIVE WRITING CLASS FOR TECHNOPRENEURIAL PURPOSES

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SF. Luthfie Arguby Purnomo

2017-03-01

Full Text Available This paper, first of three research parts, attempts to describe the challenges English Letters at IAIN (Institut Agama Islam Negeri/State Islamic Institute Surakarta faced in implementing gamification for technopreneurial purposes in regard to the transformation of a creative writing class into a ludic writing class, a gamification infused writing class. The challenges revealed are story-game script adaptation, integration portion, and monetization. Specific problems occur on each challenge. Story-game script adaptation exposes three problems namely (1 conditional branching system (2 visualization (3 copyrighted material issues (4 and writing mechanics adaptation. Integration portion challenge displays a problem on the insufficient alloted time for gamifying the creative writing class. Monetization challenge indicates three problems namely (1 the inexistence of monetization team, (2 the inexistence of institutional regulation for monetization management by study programs, (3 responses to gaming trends. Responding to these problems, solutions specifically designed based on the nature of the problems are implemented.

Writing argumentative texts: The effects of electronic outlining on students’ writing product and process

NARCIS (Netherlands)

De Smet, Milou; Brand-Gruwel, Saskia; Leijten, Mariëlle; Kirschner, Paul A.

2012-01-01

De Smet, M. J. R., Brand-Gruwel, S., Leijten, M., & Kirschner, P. A. (2012, July). Writing argumentative texts: The effects of electronic outlining on students’ writing product and process. Paper presented at the meeting of EARLI SIG Writing, Porto, Portugal.

Oldest Packet Drop (OPD): a Buffering Mechanism for Beaconing in IEEE 802.11p VANETs

NARCIS (Netherlands)

van Eenennaam, Martijn; Hendriks, Luuk; Karagiannis, Georgios; Heijenk, Geert

2011-01-01

The IEEE 802.11p MAC technology can be used to provide connectivity for real-time vehicle control known as Cooperative Adaptive Cruise Control. Due to the real-time nature of this system, it is paramount the delay of the received information is as small as possible. This paper researches the Oldest

Interference Measurements in IEEE 802.11 Communication Links Due to Different Types of Interference Sources

NARCIS (Netherlands)

van Bloem, J.W.H.; Schiphorst, Roelof; Kluwer, Taco; Slump, Cornelis H.

2012-01-01

The number of wireless devices (smartphones, laptops, sensors) that use the 2.4 GHz ISM band is rapidly increasing. The most common communication system in this band is Wi-Fi (IEEE 802.11b/g/n). For that reason coexistence between Wi-Fi and other systems becomes more and more important. In this

Writing Feature Articles with Intermediate Students

Science.gov (United States)

Morgan, Denise N.

2010-01-01

Students need regular opportunities to write expository text. However, focusing on report writing often leaves students without strong examples to study or analyze to guide and grow their own writing. Writing and studying feature articles, meant to inform and explain, can become an alternative to report writing, as they can easily be located in…

Technical report writing today

CERN Document Server

Riordan, Daniel G

2014-01-01

"Technical Report Writing Today" provides thorough coverage of technical writing basics, techniques, and applications. Through a practical focus with varied examples and exercises, students internalize the skills necessary to produce clear and effective documents and reports. Project worksheets help students organize their thoughts and prepare for assignments, and focus boxes highlight key information and recent developments in technical communication. Extensive individual and collaborative exercises expose students to different kinds of technical writing problems and solutions. Annotated student examples - more than 100 in all - illustrate different writing styles and approaches to problems. Numerous short and long examples throughout the text demonstrate solutions for handling writing assignments in current career situations. The four-color artwork in the chapter on creating visuals keeps pace with contemporary workplace capabilities. The Tenth Edition offers the latest information on using electronic resum...

The Relationship between Writing Strategies, Self-Efficacy and Writing Ability: A Case of Iranian EFL Students

OpenAIRE

Behrooz Ghoorchaei; Ali Arabmofrad

2017-01-01

The aim of the present study was to explore the relationship between self-efficacy beliefs, writing strategies, and writing abilities of Iranian EFL learners. The study first investigated the relationship between self-efficacy and writing strategies, then examined the relationship between self-efficacy and writing ability. The participants were 120 students learning English in Iran Language Institute in Gorgan, Iran. Data were gathered by means of a writing strategies questionn...

Throughput analysis of the IEEE 802.4 token bus standard under heavy load

Science.gov (United States)

Pang, Joseph; Tobagi, Fouad

1987-01-01

It has become clear in the last few years that there is a trend towards integrated digital services. Parallel to the development of public Integrated Services Digital Network (ISDN) is service integration in the local area (e.g., a campus, a building, an aircraft). The types of services to be integrated depend very much on the specific local environment. However, applications tend to generate data traffic belonging to one of two classes. According to IEEE 802.4 terminology, the first major class of traffic is termed synchronous, such as packetized voice and data generated from other applications with real-time constraints, and the second class is called asynchronous which includes most computer data traffic such as file transfer or facsimile. The IEEE 802.4 token bus protocol which was designed to support both synchronous and asynchronous traffic is examined. The protocol is basically a timer-controlled token bus access scheme. By a suitable choice of the design parameters, it can be shown that access delay is bounded for synchronous traffic. As well, the bandwidth allocated to asynchronous traffic can be controlled. A throughput analysis of the protocol under heavy load with constant channel occupation of synchronous traffic and constant token-passing times is presented.

From University Writing to Workplace Writing: The Case of Social ...

African Journals Online (AJOL)

This is a case study of social work students' initial experiences with professional writing. The paper addresses the issue of academic writing with special attention to the types of documents written by social work students on their fieldwork placements using twelve students who volunteered to be interviewed. Their views are ...

Kindergarten Predictors of Third Grade Writing

Science.gov (United States)

Kim, Young-Suk; Al Otaiba, Stephanie; Wanzek, Jeanne

2015-01-01

The primary goal of the present study was to examine the relations of kindergarten transcription, oral language, word reading, and attention skills to writing skills in third grade. Children (N = 157) were assessed on their letter writing automaticity, spelling, oral language, word reading, and attention in kindergarten. Then, they were assessed on writing in third grade using three writing tasks – one narrative and two expository prompts. Children’s written compositions were evaluated in terms of writing quality (the extent to which ideas were developed and presented in an organized manner). Structural equation modeling showed that kindergarten oral language and lexical literacy skills (i.e., word reading and spelling) were independently predicted third grade narrative writing quality, and kindergarten literacy skill uniquely predicted third grade expository writing quality. In contrast, attention and letter writing automaticity were not directly related to writing quality in either narrative or expository genre. These results are discussed in light of theoretical and practical implications. PMID:25642118

A pseudo differential Gm-C complex filter with frequency tuning for IEEE802.15.4 applications

International Nuclear Information System (INIS)

Cheng Xin; Yang Haigang; Liu Fei; Gao Tongqiang; Zhong Lungui

2011-01-01

This paper presents a CMOS G m -C complex filter for a low-IF receiver of the IEEE 802.15.4 standard. A pseudo differential OTA with reconfigurable common mode feedback and common mode feed-forward is proposed as well as the frequency tuning method based on a relaxation oscillator. A detailed analysis of non-ideality of the OTA and the frequency tuning method is elaborated. The analysis and measurement results have shown that the center frequency of the complex filter could be tuned accurately. The chip was fabricated in a standard 0.35 μm CMOS process, with a single 3.3 V power supply. The filter consumes 2.1mA current, has a measured in-band group delay ripple of less than 0.16 μs and an IRR larger than 28 dB at 2 MHz apart, which could meet the requirements oftheIEEE802.15.4 standard. (semiconductor integrated circuits)

Evaluasi Kinerja IEEE 802.11e HCCA untuk Dukungan QoS pada WLAN Menggunakan NS-2

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Amry Daulat Gultom

2014-06-01

Full Text Available Wireless Local Area Network (WLAN digunakan oleh trafik multimedia yang seharusnya memerlukan persyaratan jaringan yang lebih baik terhadap delay, jitter dan packet losses. IEEE 802.11 Task Group E memperkenalkan perbaikan protokol MAC 802.11, yaitu Hybrid Coordination Function (HCF, yang terdiri dari dua mekanisme akses: Enhanced Distributed Channel Access (EDCA dan HCF Controlled Channel Access (HCCA yang memberikan dukungan Kualitas Layanan/Quality of Service (QoS bagi trafik multimedia. Tujuan dari penelitian ini adalah untuk memahami algoritma protokol MAC IEEE 802.11e HCCA pada jaringan WLAN, dan menganalisis kinerja protokol MAC 802.11e HCCA pada aplikasi multimedia dengan menggunakan metode simulasi pada NS-2. Metrik kinerja yang diukur adalah jitter dan throughput-nya. Hasil penelitian ini menunjukkan bahwa protokol MAC HCCA dapat memberikan jaminan QoS dibanding protokol MAC DCF, dimana jitter HCCA lebih stabil dari pada jitter DCF. Begitupula dengan throughput HCCA yang tidak berubah selama trafik berlangsung, tidak seperti pada DCF yang masih mengalami fluktuasi yang besar.

Peer scaffolding in an EFL writing classroom: An investigation of writing accuracy and scaffolding behaviors

Directory of Open Access Journals (Sweden)

Parastou Gholami Pasand

2017-09-01

Full Text Available Considering the tenets of Sociocultural Theory with its emphasis on co-construction of knowledge, L2 writing can be regarded as a co-writing practice whereby assistance is provided to struggling writers. To date, most studies have dealt with peer scaffolding in the revision phase of writing, as such planning and drafting are remained untouched. The present study examines the impact of peer scaffolding on writing accuracy of a group of intermediate EFL learners, and explores scaffolding behaviors employed by them in planning and drafting phases of writing. To these ends, 40 freshmen majoring in English Language and Literature in the University of Guilan were randomly divided into a control group and an experimental group consisting of dyads in which a competent writer provided scaffolding to a less competent one using the process approach to writing. Results of independent samples t-tests revealed that learners in the experimental group produced more accurate essays. Microgenetic analysis of one dyad’s talks showed that scaffolding behaviors used in planning and drafting phases of writing were more or less the same as those identified in the revision phase. These findings can be used to inform peer intervention in L2 writing classes, and assist L2 learners in conducting successful peer scaffolding in the planning and drafting phases of writing.

Performance analysis of the IEEE 802.16e power management for the initiations of awakening

Institute of Scientific and Technical Information of China (English)

无

2007-01-01

To increase battery life in IEEE 802.16e systems, it is essential to efficiently manage energy in mobile stations. The sleep-mode operation in power management helps to increase the life of a station by saving energy consumption. In power management, there are two important performance metrics: energy consumption and the response delay of awakening medium access control (MAC) service data unit (SDU). While in a base station (BS) initiation of awakening, the two performance metrics should be simultaneously considered, in a mobile subscriber station (MSS) initiation of awakening, the response delay is not considered because it is self-operational. There performance metrics are affected by the minimum sleep interval (Tmin), the maximum sleep interval (Tmax), and the average interarrival time of awakening MAC SDUs (TI) during sleep-mode operation. Therefore, it is imperative to evaluate the two initiations of awakening depending on TI. To reach a fuller understanding of the performance, this paper shows an analytical mode and simulations results for the standard sleep-mode operation in the IEEE 802.16e MAC.

Group-Orthogonal Code-Division Multiplex: A Physical-Layer Enhancement for IEEE 802.11n Networks

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Felip Riera-Palou

2010-01-01

Full Text Available The new standard for wireless local area networks (WLANs, named IEEE 802.11n, has been recently released. This new norm builds upon and remains compatible with the previous WLANs standards IEEE 802.11a/g while it is able to achieve transmission rates of up to 600 Mbps. These increased data rates are mainly a consequence of two important new features: (1 multiple antenna technology at transmission and reception, and (2 optional doubling of the system bandwidth thanks to the availability of an additional 20 MHz band. This paper proposes the use of Group-Orthogonal Code Division Multiplex (GO-CDM as a means to improve the performance of the 802.11n standard by further exploiting the inherent frequency diversity. It is explained why GO-CDM synergistically matches with the two aforementioned new features and the performance gains it can offer under different configurations is illustrated. Furthermore, the effects that group-orthogonal has on key implementation issues such as channel estimation, carrier frequency offset, and peak-to-average power ratio (PAPR are also considered.

2008 Special NSREC Issue of the IEEE Transactions on Nuclear Science Comments by the Editors

Science.gov (United States)

Schwank, Jim; Buchner, Steve; Marshall, Paul; Duzellier, Sophie; Brown, Dennis; Poivey, Christian; Pease, Ron

2008-12-01

The December 2008 special issue of the IEEE Transactions on Nuclear Science contains selected papers from the 45th annual IEEE International Nuclear and Space Radiation Effects Conference (NSREC) held in Tucson, Arizona, July 14 - 18, 2008. Over 115 papers presented at the 2008 NSREC were submitted for consideration for this year's special issue. Those papers that appear in this special issue were able to successfully complete the review process before the deadline for the December issue. A few additional papers may appear in subsequent issues of the TRANSACTIONS. This publication is the premier archival journal for research on space and nuclear radiation effects in materials, devices, circuits, and systems. This distinction is the direct result of the conscientious efforts of both the authors, who present and document their work, and the reviewers, who selflessly volunteer their time and talent to help review the manuscripts. Each paper in this journal has been reviewed by experts selected by the editors for their expertise and knowledge of the particular subject areas.

The Relationships among Writing Skills, Writing Anxiety and Metacognitive Awareness

Science.gov (United States)

Balta, Elif Emine

2018-01-01

The purpose of this study was to investigate the relationships among students' argumentative text writing skills, writing anxiety, and metacognitive awareness. The participants were composed of 375 8th graders in six middle schools in Sivas. Metacognitive Awareness Inventory (B Form) which was adapted in to Turkish by Karakelle & Saraç (2007)…

Beyond "Writing to Learn": Factors Influencing Students' Writing Outcomes

Science.gov (United States)

Jani, Jayshree S.; Mellinger, Marcela Sarmiento

2015-01-01

Social work educators concur that writing and critical thinking are basic components of effective practice, yet students are often deficient in these skills. Although there is agreement among educators about the need to enhance students' writing skills, there is little understanding of the nature of students' problems--a necessary step…

A Heuristic Tool for Teaching Business Writing: Self-Assessment, Knowledge Transfer, and Writing Exercises

Science.gov (United States)

Ortiz, Lorelei A.

2013-01-01

To teach effective business communication, instructors must target students’ current weaknesses in writing. One method for doing so is by assigning writing exercises. When used heuristically, writing exercises encourage students to practice self-assessment, self-evaluation, active learning, and knowledge transfer, all while reinforcing the basics…

Some technical writing skills industry needs

Science.gov (United States)

Smith, F. R.

1981-01-01

It is suggested that engineers and other technical students be taught three classes of skills in technical writing. First, "Big Picture Things", which includes: the importance of clear writing, the wide scope of writing, the wide scope of writing tasks that will be faced in industry, and the principles of organization of technical materials such as; how to analyze, classify, partition, and interpret. Second, "Writing Procedures", which encompasses: how to get words on paper efficiently and team-write. Third, "Writing Details", in which two considerations are important: how to achieve precision in the use of language and the aspects of style. Three problems in style are cited: the problem of sentence transition, overuse of attributive adjectives, and verbosity in paragraph structure. The most important thing in technical writing is considered to be functionality, economy and clarity.

Writing for Impact

DEFF Research Database (Denmark)

Meier, Ninna

2016-01-01

Academic work may have impact in a variety of ways, depending on purpose, audience and field, but this is most likely to happen when your work resonates in meaningful ways with people. Ninna Meier encourages a more systematic investigation of the role of writing in achieving impact. Impact through...... writing means getting your readers to understand and remember your message and leave the reading experience changed. The challenge is to make what you write resonate with an audience’s reservoir of experiential knowledge. If the words do not connect to anything tangible, interest can be quickly lost....

Robots Learn Writing

Directory of Open Access Journals (Sweden)

Huan Tan

2012-01-01

Full Text Available This paper proposes a general method for robots to learn motions and corresponding semantic knowledge simultaneously. A modified ISOMAP algorithm is used to convert the sampled 6D vectors of joint angles into 2D trajectories, and the required movements for writing numbers are learned from this modified ISOMAP-based model. Using this algorithm, the knowledge models are established. Learned motion and knowledge models are stored in a 2D latent space. Gaussian Process (GP method is used to model and represent these models. Practical experiments are carried out on a humanoid robot, named ISAC, to learn the semantic representations of numbers and the movements of writing numbers through imitation and to verify the effectiveness of this framework. This framework is applied into training a humanoid robot, named ISAC. At the learning stage, ISAC not only learns the dynamics of the movement required to write the numbers, but also learns the semantic meaning of the numbers which are related to the writing movements from the same data set. Given speech commands, ISAC recognizes the words and generated corresponding motion trajectories to write the numbers. This imitation learning method is implemented on a cognitive architecture to provide robust cognitive information processing.

IEEE 802154 and ZigBee as enabling technologies for low-power wireless systems with quality-of-service constraints

CERN Document Server

Tennina, Stefano; Daidone, Roberta; Alves, Mário; Jurčík, Petr; Severino, Ricardo; Tiloca, Marco; Hauer, Jan-Hinrich; Pereira, Nuno; Dini, Gianluca; Bouroche, Mélanie; Tovar, Eduardo

2013-01-01

This book outlines the most important characteristics of IEEE 802.15.4 and ZigBee and how they can be used to engineer Wireless Sensor Network (WSN) systems and applications, with a particular focus on Quality-of-Service (QoS) aspects. It starts by providing a snapshot of the most relevant features of these two protocols, identifying some gaps in the standard specifications. Then it describes several state-of-the-art open-source implementations, models and tools that have been designed by the authors and have been widely used by the international community. The book also outlines the fundamental performance limits of IEEE 802.15.4/ZigBee networks, based on well-sustained analytical, simulation and experimental models, including how to dimension such networks to optimize delay/energy trade-offs.

Basic security measures for IEEE 802.11 wireless networks

Directory of Open Access Journals (Sweden)

Oscar P. Sarmiento

2008-05-01

Full Text Available This article presents a tutorial/discussion of three commonly-used IEEE 802.11 wireless network security standards: WEP, WPA and WPA2. A detailed analysis of the RC4 algorithm supporting WEP is presented, including its vulnera-bilities. The WPA and WPA2 encryption protocols’ most relevant aspects and technical characteristics are reviewed for a comparative analysis of the three standards in terms of the security they provide. Special attention has been paid to WEP encryption by using an educational simulation tool written in C++ Builder for facilitating the unders-tanding of this protocol at academic level. Two practical cases of wireless security configurations using Cisco net-working equipment are also presented: configuring and enabling WPA-Personal and WPA2-Personal (these being security options used by TKIP and AES, respectively.

Real-life IT architecture design reports and their relation to IEEE Std 1471 stakeholders and concerns

NARCIS (Netherlands)

van Vliet, H.; Koning, H.

2006-01-01

Architectural designs are an important means to manage the development and deployment of information technology (IT). Much debate has been going on about a proper definition of architecture in IT and about how to describe it. In 2000, the IEEE Std 1471 proposed a model of an architecture description

Chinese children's early knowledge about writing.

Science.gov (United States)

Zhang, Lan; Yin, Li; Treiman, Rebecca

2017-09-01

Much research on literacy development has focused on learners of alphabetic writing systems. Researchers have hypothesized that children learn about the formal characteristics of writing before they learn about the relations between units of writing and units of speech. We tested this hypothesis by examining young Chinese children's understanding of writing. Mandarin-speaking 2- to 5-year-olds completed a graphic task, which tapped their knowledge about the formal characteristics of writing, and a phonological task, which tapped their knowledge about the correspondence between Chinese characters and syllables. The 3- to 5-year-olds performed better on the graphic task than the phonological task, indicating that learning how writing appears visually begins earlier than learning that writing corresponds to linguistic units, even in a writing system in which written units correspond to syllables. Statement of contribution What is already known on this subject? Learning about writing's visual form, how it looks, is an important part of emergent literacy. Knowledge of how writing symbolizes linguistic units may emerge later. What does this study add? We test the hypothesis that Chinese children learn about writing's visual form earlier than its symbolic nature. Chinese 3- to 5- year-olds know more about visual features than character-syllable links. Results show learning of the visual appearance of a notation system is developmentally precocious. © 2016 The British Psychological Society.

Before time began the Big Bang and the emerging universe

CERN Document Server

Satz, Helmut

2017-01-01

What is the origin of the universe? What was there before the universe appeared? We are currently witnessing a second Copernican revolution: neither our Earth and Sun, nor our galaxy, nor even our universe, are the end of all things. Beyond our world, in an endless multiverse, are innumerable other universes, coming and going, like ours or different. Fourteen billion years ago, one of the many bubbles constantly appearing and vanishing in the multiverse exploded to form our universe. The energy liberated in the explosion provided the basis for all the matter our universe now contains. But how could this hot, primordial plasma eventually produce the complex structure of our present world? Does not order eventually always lead to disorder, to an increase of entropy? Modern cosmology is beginning to find out how it all came about and where it all might lead. Before Time Began tells that story.

Special Issue on Gender and Writing | Gender and literacy issues and research: Placing the spotlight on writing

Directory of Open Access Journals (Sweden)

Judy M. Parr

2012-03-01

Full Text Available In this introduction to a special issue of the Journal of Writing Research, we review four decades of research, bringing writing to the forefront in conversations devoted to gender and literacy. We identify the impetus for much of the research on gender and writing and situate the four articles in this special issue within three themes: gender patterns in what and how students write, cognitive and socio-cultural factors influencing gender differences in student writing, and attempts to provide alternatives to stereotypical gender patterns in student writing. These interdisciplinary themes, further developed within the four articles, underscore the need to consider gender as a complex social, cognitive and linguistic characteristic of both reading and writing.

The Effectiveness of Collaborative Writing Strategy (CWS in Writing Lesson Regarded to The Students’ Creativity

Directory of Open Access Journals (Sweden)

Kiky Soraya

2016-11-01

Full Text Available This study is aimed at finding out what appropriate methods to be usedin writing lesson seen from the students’ creativity especially for studentswho have high creativityand low creativity. This study used quasi experimental research. The population of the research was the eighth grade of a Junior High School in Wonosari in the academic year of 2013/2014. The sampling technique used was cluster random sampling. The sample in this study was 64 students covering 32 students of E as experimental class and 32 students of C as control class. The data or the students’ writing scores were analyzed in terms of their frequency distribution, normality, homogeneity, then ANOVA and Tuckey tests to test the research hypotheses. Based on the result, the research findings are: CWS is more effective than MWS in writing lesson; the high creativity students produced better writing rather than the low creativity student; and the interaction of teaching methods and the students’ creativity is existing in this writing lesson. In short, Collaborative Writing Strategy (CWS is effective to teach writing for the eighth grade of a Junior High School in Wonosari, Gunungkidul. Then, the research result implies that it is better for the teachers to apply CWS in teaching and learning process of writing, to improve the students’ writing achievement, CWS needs to be used in the classroom activities, then future research can conduct the similar research with different sample and different students’ condition.

The Effect of Dialogue Journal Writing on EFL Learners' Descriptive Writing Performance: A Quantitative Study

Directory of Open Access Journals (Sweden)

Ali Dabbagh

2017-03-01

Full Text Available This study sought to evaluate the effect of dialogue journal writing on writing performance as well as its different sub-components, namely content, organization, vocabulary, language use, and mechanics (Following Polio, 2013. Participants were 84 EFL intermediate learners who were selected based on their performance on Oxford Quick Placement Test (2004 and divided randomly into experimental and control groups. While the participants in the control group took part in descriptive writing pre and post-tests only, their counterparts in experimental group were asked to write 3 journals a week for about 6 months in the period between the pre- and post-tests. The instructor of the experimental group provided feedback to each journal entry mostly on its content and message to which the participants replied in a dialogic manner. Results of independent sample t-test located a significant difference between the experimental and control group regarding the overall writing performance, as well as the sub-components of content, organization, and vocabulary in the post-test. However, the obtained results did not reveal a significant effect of dialogue journal writing on language use and mechanics of writing performance. The results which promise implications for writing instructors, curriculum developers, and material designers are fully discussed.

IEEE standard requirements for reliability analysis in the design and operation of safety systems for nuclear power generating stations

International Nuclear Information System (INIS)

Anon.

1976-01-01

The purpose of this standard is to provide uniform, minimum acceptable requirements for the performance of reliability analyses for safety-related systems found in nuclear-power generating stations, but not to define the need for an analysis. The need for reliability analysis has been identified in other standards which expand the requirements of regulations (e.g., IEEE Std 379-1972 (ANSI N41.2-1972), ''Guide for the Application of the Single-Failure Criterion to Nuclear Power Generating Station Protection System,'' which describes the application of the single-failure criterion). IEEE Std 352-1975, ''Guide for General Principles of Reliability Analysis of Nuclear Power Generating Station Protection Systems,'' provides guidance in the application and use of reliability techniques referred to in this standard

Effects of disfluency in writing.

Science.gov (United States)

Medimorec, Srdan; Risko, Evan F

2016-11-01

While much previous research has suggested that decreased transcription fluency has a detrimental effect on writing, there is recent evidence that decreased fluency can actually benefit cognitive processing. Across a series of experiments, we manipulated transcription fluency of ostensibly skilled typewriters by asking them to type essays in two conditions: both-handed and one-handed typewriting. We used the Coh-Metrix text analyser to investigate the effects of decreased transcription fluency on various aspects of essay writing, such as lexical sophistication, sentence complexity, and cohesion of essays (important indicators of successful writing). We demonstrate that decreased fluency can benefit certain aspects of writing and discuss potential mechanisms underlying disfluency effects in essay writing. © 2016 The British Psychological Society.

Mathematical modeling of a radio-frequency path for IEEE 802.11ah based wireless sensor networks

Science.gov (United States)

Tyshchenko, Igor; Cherepanov, Alexander; Dmitrii, Vakhnin; Popova, Mariia

2017-09-01

This article discusses the process of creating the mathematical model of a radio-frequency path for an IEEE 802.11ah based wireless sensor networks using M atLab Simulink CAD tools. In addition, it describes occurring perturbing effects and determining the presence of a useful signal in the received mixture.

Writing(s and subjectivation: From the modern citizen to the contemporary young subjectivity

Directory of Open Access Journals (Sweden)

Monica Maria Bermudez Grajales

2015-12-01

Full Text Available The present text is related to the preponderant status that writing occupied in the political configuration of the modern citizen. Writing practices conceived for development of autonomy, self-control and domestication of passions were some of the ideas that promoted the construction of a rational individual who was able to participate in the public arena and activities conceived by the Nation-State. Nowadays, the meaning of modern writing has varied. Other writing styles are being developed in parallel to the economic, social and technological transitions. In fact, we do not require such a kind of modern writing as the only condition for the political participation. At present, social movements and the communicative and digital interactions of many youngsters, and their hyper textual narratives, show us a vindication of the oral, resounding and iconic as process of a political subjectivity that does not become a rational one in the modern sense but in a nomadic, vernacular and sensitive one.

Effects of Guided Writing Strategies on Students' Writing Attitudes Based on Media Richness Theory

Science.gov (United States)

Lan, Yu-Feng; Hung, Chun-Ling; Hsu, Hung-Ju

2011-01-01

The purpose of this paper is to develop different guided writing strategies based on media richness theory and further evaluate the effects of these writing strategies on younger students' writing attitudes in terms of motivation, enjoyment and anxiety. A total of 66 sixth-grade elementary students with an average age of twelve were invited to…

Connectivity-Based Reliable Multicast MAC Protocol for IEEE 802.11 Wireless LANs

Directory of Open Access Journals (Sweden)

Woo-Yong Choi

2009-01-01

Full Text Available We propose the efficient reliable multicast MAC protocol based on the connectivity information among the recipients. Enhancing the BMMM (Batch Mode Multicast MAC protocol, the reliable multicast MAC protocol significantly reduces the RAK (Request for ACK frame transmissions in a reasonable computational time and enhances the MAC performance. By the analytical performance analysis, the throughputs of the BMMM protocol and our proposed MAC protocol are derived. Numerical examples show that our proposed MAC protocol increases the reliable multicast MAC performance for IEEE 802.11 wireless LANs.

Distributed Fair Access Point Selection for Multi-Rate IEEE 802.11 WLANs

Science.gov (United States)

Gong, Huazhi; Nahm, Kitae; Kim, Jongwon

In IEEE 802.11 networks, the access point (AP) selection based on the strongest signal strength often results in the extremely unfair bandwidth allocation among mobile users (MUs). In this paper, we propose a distributed AP selection algorithm to achieve a fair bandwidth allocation for MUs. The proposed algorithm gradually balances the AP loads based on max-min fairness for the available multiple bit rate choices in a distributed manner. We analyze the stability and overhead of the proposed algorithm, and show the improvement of the fairness via computer simulation.

Conference Proceedings for 1997 IEEE 24th International Conference on Plasma Sciences, 19 - 22 May 1997, San Diego, California

National Research Council Canada - National Science Library

Hyman, Julius

1997-01-01

This 360 page softbound publication includes the following major sections, An invitation to ICOPS'97, Catamaran Resort Hotel Floor Pinas, Officers of the IEEE Nuclear and Plasma Sciences Society, Conference Information...

How to write reports and proposals

CERN Document Server

Forsyth, Patrick

2016-01-01

How to Write Reports and Proposals is essential reading for achieving effective writing techniques. Getting a message across on paper and presenting a proposal in a clear and persuasive form are vital skills for anyone in business. How to Write Reports and Proposals provides practical advice on how to impress, convince and persuade your colleagues or clients. It will help you: improve your writing skills; think constructively before writing; create a good report; produce persuasive proposals; use clear and distinctive language; present numbers, graphs and charts effectively. Full of checklists, exercises and real life examples, this new edition also contains content on how to write succinctly and with impact across different mediums. How to Write Reports and Proposals will help you to put over a good case with style.

Comparison of Writing Anxiety and Writing Dispositions of Sixth, Seventh and Eighth Grade Students

Science.gov (United States)

Berk, Rifat Ramazan; Ünal, Emre

2017-01-01

The purpose of this study is to determine sixth, seventh and eighth grade students' writing anxiety and dispositions and to examine to what extent they predict each other. The basis of this study is to determine whether writing disposition is the significant predictor of writing anxiety or not and whether students' grade levels and genders are…

Technical Writing Tips

Science.gov (United States)

Kennedy, Patrick M.

2004-01-01

The main reason engineers, technicians, and programmers write poor technical documents is because they have had little training or experience in that area. This article addresses some of the basics that students can use to master technical writing tasks. The article covers the most common problems writers make and offers suggestions for improving…

Reaching Resistant Youth through Writing.

Science.gov (United States)

Skramstad, Teresa

1998-01-01

A teacher recounts her experiences with students who were successful telling their stories through writing and using their writing as a vehicle for expressing their emotions. Explains how helping students "find their voices" through writing can crack tough exteriors and help youth reconnect to school and themselves. (Author/MKA)

The role of research-article writing motivation and self-regulatory strategies in explaining research-article abstract writing ability.

Science.gov (United States)

Lin, Ming-Chia; Cheng, Yuh-Show; Lin, Sieh-Hwa; Hsieh, Pei-Jung

2015-04-01

The purpose of the study was to investigate the effects of research-article writing motivation and use of self-regulatory writing strategies in explaining second language (L2) research-article abstract writing ability, alongside the L2 literacy effect. Four measures were administered: a L2 literacy test, a research abstract performance assessment, and inventories of writing motivation and strategy. Participants were L2 graduate students in Taiwan (N=185; M age=25.8 yr., SD=4.5, range=22-53). Results of structural equation modeling showed a direct effect of motivation on research-article writing ability, but no direct effect of strategy or indirect effect of motivation via strategy on research-article writing ability, with L2 literacy controlled. The findings suggest research-article writing instruction should address writing motivation, besides L2 literacy.

Peer Facilitated Writing Groups: A Programmatic Approach to Doctoral Student Writing

Science.gov (United States)

Kumar, Vijay; Aitchison, Claire

2018-01-01

Very few empirical studies have investigated programmes in which doctoral students act as peer facilitators in faculty writing groups. We report on the development of a centrally delivered doctoral student writing programme in which twenty student participants were mentored and provided with the resources to initiate their own faculty-based…

A novel approach for monitoring writing interferences during navigated transcranial magnetic stimulation mappings of writing related cortical areas.

Science.gov (United States)

Rogić Vidaković, Maja; Gabelica, Dragan; Vujović, Igor; Šoda, Joško; Batarelo, Nikolina; Džimbeg, Andrija; Zmajević Schönwald, Marina; Rotim, Krešimir; Đogaš, Zoran

2015-11-30

It has recently been shown that navigated repetitive transcranial magnetic stimulation (nTMS) is useful in preoperative neurosurgical mapping of motor and language brain areas. In TMS mapping of motor cortices the evoked responses can be quantitatively monitored by electromyographic (EMG) recordings. No such setup exists for monitoring of writing during nTMS mappings of writing related cortical areas. We present a novel approach for monitoring writing during nTMS mappings of motor writing related cortical areas. To our best knowledge, this is the first demonstration of quantitative monitoring of motor evoked responses from hand by EMG, and of pen related activity during writing with our custom made pen, together with the application of chronometric TMS design and patterned protocol of rTMS. The method was applied in four healthy subjects participating in writing during nTMS mapping of the premotor cortical area corresponding to BA 6 and close to the superior frontal sulcus. The results showed that stimulation impaired writing in all subjects. The corresponding spectra of measured signal related to writing movements was observed in the frequency band 0-20 Hz. Magnetic stimulation affected writing by suppressing normal writing frequency band. The proposed setup for monitoring of writing provides additional quantitative data for monitoring and the analysis of rTMS induced writing response modifications. The setup can be useful for investigation of neurophysiologic mechanisms of writing, for therapeutic effects of nTMS, and in preoperative mapping of language cortical areas in patients undergoing brain surgery. Copyright © 2015 Elsevier B.V. All rights reserved.

Masters’ Writings and Students’ Writings: School Material in Mesopotamia

OpenAIRE

Proust, Christine

2011-01-01

International audience; By nature, school drafts of Mesopotamia were meant to destruction. But, thanks to clay support of writing and ancient recycling practices, they reached us in vast amount. These school tablets were mainly produced along a quite short period, between 18th and 17th century B.C. They contain principally exercises for learning writing, Sumerian language and mathematics. These sources bear witness of phenomena linked with those which are examined in this book: change of know...

AN ANALYSIS OF STUDENTS’ FREE WRITING

Directory of Open Access Journals (Sweden)

Rahmi Phonna

2014-05-01

Full Text Available Writing contains a compound process to be expressed that entails the writer to pay more attention on linking appropriate words together. Most linguists agree that a writer should attain high level of understanding to pursue the lifelong learning of academic writing pedagogy. This study aimed to analyze the students’ free writing by identifying the category of mistakes that often appear on their writing assignment. 28 free writings were collected, as the main data, from 28 students as the samples for this study. They were then analyzed by using the guidelines of correction symbols from Hogue (1996 and Oshima & Hogue (1999. The results revealed that 11 categories of grammar that often applied incorrectly on the students’ free writing. The misused of verb-agreement (V/A was the most frequent category occurred, followed by word form (Wf and Spelling (Sp. The least category of errors identified on the students’ free writing was conjunction (Conj and wrong word (Ww categories. Overall, 175 errors from different grammatical conventions were repeated in the students’ free writing.

Writing that Works.

Science.gov (United States)

Roman, Kenneth; Raphaelson, Joel

Intended for use by nonprofessional writers who must use the written word to communicate and get results, this book offers practical suggestions on how to write business letters, memos, sales and fund raising letters, plans, and reports. The book covers general principles of good writing and emphasizes the importance of editing. In addition, it…

Children's Advertisement Writing

Science.gov (United States)

Burrell, Andrew; Beard, Roger

2010-01-01

This paper explores primary school children's ability to engage with "the power of the text" by tackling persuasive writing in the form of an advertisement. It is eclectically framed within genre theory and rhetorical studies and makes use of linguistic tools and concepts. The paper argues that writing research has not built upon earlier…

Discourse Approaches to Writing Assessment.

Science.gov (United States)

Connnor, Ulla; Mbaye, Aymerou

2002-01-01

Discusses assessment of English-as-a-Foreign/Second-Language (EFL/ESL) writing. Suggests there is a considerable gap between current practices in writing assessment and criteria suggested by advances in knowledge of discourse structure. Illustrates this by contrasting current practices in the scoring of two major EFL/ESL writing tests with…

4th IEEE/ACIS International Conference on Computer and Information Science

CERN Document Server

2016-01-01

This edited book presents scientific results of the 14th IEEE/ACIS International Conference on Computer and Information Science (ICIS 2015) which was held on June 28 – July 1, 2015 in Las Vegas, USA. The aim of this conference was to bring together researchers and scientists, businessmen and entrepreneurs, teachers, engineers, computer users, and students to discuss the numerous fields of computer science and to share their experiences and exchange new ideas and information in a meaningful way. Research results about all aspects (theory, applications and tools) of computer and information science, and to discuss the practical challenges encountered along the way and the solutions adopted to solve them.

Latency and Jitter Analysis for IEEE 802.11e Wireless LANs

Directory of Open Access Journals (Sweden)

Sungkwan Youm

2013-01-01

Full Text Available This paper presents a numerical analysis of latency and jitter for IEEE 802.11e wireless local area networks (WLANs in a saturation condition, by using a Markov model. We use this model to explicate how the enhanced distributed coordination function (EDCF differentiates classes of service and to characterize the probability distribution of the medium access control (MAC layer packet latency and jitter, on which the quality of the voice over Internet protocol (VoIP calls is dependent. From the proposed analytic model, we can estimate the available number of nodes determining the system performance, in order to satisfy user demands on the latency and jitter.

Don't be afraid of writing

International Nuclear Information System (INIS)

Park, Dong Gyu

1997-01-01

This book deals with requirements of good writings, comprehension toward characters of language, understanding of subjects and materials, grasp of structure of writings, and reality of writing. It contains theoretical requirements of good writing such as creativity, clearness, probity, how to understand the right meanings of language by showing standard languages, dialects, foreign languages, loan words, newly coined words, in-words, slangs, jargon. It also introduces subjects, topics, materials, sentences, meaning, structure, type, requirement, length of paragraphs, diaries, letter writings, travel essays, descriptions, and essays.

Contextualize Technical Writing Assessment to Better Prepare Students for Workplace Writing: Student-Centered Assessment Instruments

Science.gov (United States)

Yu, Han

2008-01-01

To teach students how to write for the workplace and other professional contexts, technical writing teachers often assign writing tasks that reflect real-life communication contexts, a teaching approach that is grounded in the field's contextualized understanding of genre. This article argues to fully embrace contextualized literacy and better…

How Professional Writing Pedagogy and University-Workplace Partnerships Can Shape the Mentoring of Workplace Writing

Science.gov (United States)

Kohn, Liberty

2015-01-01

This article analyzes literature on university-workplace partnerships and professional writing pedagogy to suggest best practices for workplace mentors to mentor new employees and their writing. The article suggests that new employees often experience cultural confusion due to (a) the transfer of education-based writing strategies and (b) the…

An Adaptive Medium Access Parameter Prediction Scheme for IEEE 802.11 Real-Time Applications

Directory of Open Access Journals (Sweden)

Estefanía Coronado

2017-01-01

Full Text Available Multimedia communications have experienced an unprecedented growth due mainly to the increase in the content quality and the emergence of smart devices. The demand for these contents is tending towards wireless technologies. However, these transmissions are quite sensitive to network delays. Therefore, ensuring an optimum QoS level becomes of great importance. The IEEE 802.11e amendment was released to address the lack of QoS capabilities in the original IEEE 802.11 standard. Accordingly, the Enhanced Distributed Channel Access (EDCA function was introduced, allowing it to differentiate traffic streams through a group of Medium Access Control (MAC parameters. Although EDCA recommends a default configuration for these parameters, it has been proved that it is not optimum in many scenarios. In this work a dynamic prediction scheme for these parameters is presented. This approach ensures an appropriate traffic differentiation while maintaining compatibility with the stations without QoS support. As the APs are the only devices that use this algorithm, no changes are required to current network cards. The results show improvements in both voice and video transmissions, as well as in the QoS level of the network that the proposal achieves with regard to EDCA.

Vispubdata.org: A Metadata Collection About IEEE Visualization (VIS) Publications.

Science.gov (United States)

Isenberg, Petra; Heimerl, Florian; Koch, Steffen; Isenberg, Tobias; Xu, Panpan; Stolper, Charles D; Sedlmair, Michael; Chen, Jian; Moller, Torsten; Stasko, John

2017-09-01

We have created and made available to all a dataset with information about every paper that has appeared at the IEEE Visualization (VIS) set of conferences: InfoVis, SciVis, VAST, and Vis. The information about each paper includes its title, abstract, authors, and citations to other papers in the conference series, among many other attributes. This article describes the motivation for creating the dataset, as well as our process of coalescing and cleaning the data, and a set of three visualizations we created to facilitate exploration of the data. This data is meant to be useful to the broad data visualization community to help understand the evolution of the field and as an example document collection for text data visualization research.

Map It Then Write It

Science.gov (United States)

Lott, Kimberly; Read, Sylvia

2015-01-01

All writing begins with ideas, but young students often need visual cues to help them organize their thoughts before beginning to write. For this reason, many elementary teachers use graphic organizers or thinking maps to help students visualize patterns and organize their ideas within the different genres of writing. Graphic organizers such as…

ESL intermediate/advanced writing

CERN Document Server

Munoz Page, Mary Ellen; Jaskiewicz, Mary

2011-01-01

Master ESL (English as a Second Language) Writing with the study guide designed for non-native speakers of English. Skill-building lessons relevant to today's topics help ESL students write complete sentences, paragraphs, and even multi-paragraph essays. It's perfect for classroom use or self-guided writing preparation.DETAILS- Intermediate drills for improving skills with parallel structure, mood, correct shifting errors & dangling participles- Advanced essay drills focusing on narrative, descriptive, process, reaction, comparison and contrast- Superb preparation for students taking the TOEFL

Learning to write in science: A study of English language learners' writing experience in sixth-grade science classrooms

Science.gov (United States)

Qi, Yang

Writing is a predictor of academic achievement and is essential for student success in content area learning. Despite its importance, many students, including English language learners (ELLs), struggle with writing. There is thus a need to study students' writing experience in content area classrooms. Informed by systemic functional linguistics, this study examined 11 ELL students' writing experience in two sixth grade science classrooms in a southeastern state of the United States, including what they wrote, how they wrote, and why they wrote in the way they did. The written products produced by these students over one semester were collected. Also collected were teacher interviews, field notes from classroom observations, and classroom artifacts. Student writing samples were first categorized into extended and nonextended writing categories, and each extended essay was then analyzed with respect to its schematic structure and grammatical features. Teacher interviews and classroom observation notes were analyzed thematically to identify teacher expectations, beliefs, and practices regarding writing instruction for ELLs. It was found that the sixth-grade ELLs engaged in mostly non-extended writing in the science classroom, with extended writing (defined as writing a paragraph or longer) constituting roughly 11% of all writing assignments. Linguistic analysis of extended writing shows that the students (a) conveyed information through nouns, verbs, adjectives, adverbial groups and prepositional phrases; (b) constructed interpersonal context through choices of mood, modality, and verb tense; and (c) structured text through thematic choices and conjunctions. The appropriateness of these lexicogrammatical choices for particular writing tasks was related to the students' English language proficiency levels. The linguistic analysis also uncovered several grammatical problems in the students' writing, including a limited range of word choices, inappropriate use of mood

Simple Adaptive Single Differential Coherence Detection of BPSK Signals in IEEE 802.15.4 Wireless Sensor Networks.

Science.gov (United States)

Zhang, Gaoyuan; Wen, Hong; Wang, Longye; Xie, Ping; Song, Liang; Tang, Jie; Liao, Runfa

2017-12-26

In this paper, we propose an adaptive single differential coherent detection (SDCD) scheme for the binary phase shift keying (BPSK) signals in IEEE 802.15.4 Wireless Sensor Networks (WSNs). In particular, the residual carrier frequency offset effect (CFOE) for differential detection is adaptively estimated, with only linear operation, according to the changing channel conditions. It was found that the carrier frequency offset (CFO) and chip signal-to-noise ratio (SNR) conditions do not need a priori knowledge. This partly benefits from that the combination of the trigonometric approximation sin - 1 ( x ) ≈ x and a useful assumption, namely, the asymptotic or high chip SNR, is considered for simplification of the full estimation scheme. Simulation results demonstrate that the proposed algorithm can achieve an accurate estimation and the detection performance can completely meet the requirement of the IEEE 802.15.4 standard, although with a little loss of reliability and robustness as compared with the conventional optimal single-symbol detector.

Examining Dimensions of Self-Efficacy for Writing

Science.gov (United States)

Bruning, Roger; Dempsey, Michael; Kauffman, Douglas F.; McKim, Courtney; Zumbrunn, Sharon

2013-01-01

A multifactor perspective on writing self-efficacy was examined in 2 studies. Three factors were proposed--self-efficacy for writing ideation, writing conventions, and writing self-regulation--and a scale constructed to reflect these factors. In Study 1, middle school students (N = 697) completed the Self-Efficacy for Writing Scale (SEWS), along…

Writing with Phineas

DEFF Research Database (Denmark)

Wegener, Charlotte

2014-01-01

This article describes a collaborative writing strategy when you are alone. It is the story of how I came to bring Phineas, the protagonist in A. S. Byatt’s The Biographer’s Tale, into my writing process as a third voice in my dialogue with my data. It is a self-reflective text that shows how co...

Writing successfully in science

National Research Council Canada - National Science Library

O'Connor, M; Gretton, J

1991-01-01

... - from planning the initial framework of an article, preparing references and illustrative material and writing a first draft, to choosing suitable journals, writing to the editor and dealing with proofs of the final draft...

Relating beliefs in writing skill malleability to writing performance: The mediating role of achievement goals and self-efficacy

Directory of Open Access Journals (Sweden)

Teresa Limpo

2017-10-01

Full Text Available It is well established that students’ beliefs in skill malleability influence their academic performance. Specifically, thinking of ability as an incremental (vs. fixed trait is associated with better outcomes. Though this was shown across many domains, little research exists into these beliefs in the writing domain and into the mechanisms underlying their effects on writing performance. The aim of this study was twofold: to gather evidence on the validity and reliability of instruments to measure beliefs in skill malleability, achievement goals, and self-efficacy in writing; and to test a path-analytic model specifying beliefs in writing skill malleability to influence writing performance, via goals and self-efficacy. For that, 196 Portuguese students in Grades 7-8 filled in the instruments and wrote an opinion essay that was assessed for writing performance. Confirmatory factor analyses supported instruments’ validity and reliability. Path analysis revealed direct effects from beliefs in writing skill malleability to mastery goals (ß = .45; from mastery goals to self-efficacy for conventions, ideation, and self-regulation (ß = .27, .42, and .42, respectively; and from self-efficacy for self-regulation to writing performance (ß = .16; along with indirect effects from beliefs in writing skill malleability to self-efficacy for self-regulation via mastery goals (ß = .19, and from mastery goals to writing performance via self-efficacy for self-regulation (ß = .07. Overall, students’ mastery goals and self-efficacy for self-regulation seem to be key factors underlying the link between beliefs in writing skill malleability and writing performance. These findings highlight the importance of attending to motivation-related components in the teaching of writing.

The Functions of Writing in an Elementary Classroom.

Science.gov (United States)

Florio, Susan; Clark, Christopher M.

1982-01-01

Describes an ethnographic study of writing in one elementary classroom that identified four functions of writing: writing to participate in community, writing to know oneself and others, writing to occupy free time, and writing to demonstrate academic competence. (HOD)

BabelFish-Tools for IEEE C37.118.2-compliant real-time synchrophasor data mediation

Science.gov (United States)

Almas, M. S.; Vanfretti, L.; Baudette, M.

BabelFish (BF) is a real-time data mediator for development and fast prototyping of synchrophasor applications. BF is compliant with the synchrophasor data transmission IEEE Std C37.118.2-2011. BF establishes a TCP/IP connection with any Phasor Measurement Unit (PMU) or Phasor Data Concentrator (PDC) stream and parses the IEEE Std C37.118.2-2011 frames in real-time to provide access to raw numerical data in the LabVIEW environment. Furthermore, BF allows the user to select "data-of-interest" and transmit it to either a local or remote application using the User Datagram Protocol (UDP) in order to support both unicast and multicast communication. In the power systems Wide Area Monitoring Protection and Control (WAMPAC) domain, BF provides the first Free/Libre and Open Source Software (FLOSS) for the purpose of giving the users tools for fast prototyping of new applications processing PMU measurements in their chosen environment, thus liberating them of time consuming synchrophasor data handling and allowing them to develop applications in a modular fashion, without a need of a large and monolithic synchrophasor software environment.

ANÁLISE DE DESEMPENHO EM REDES IEEE 802.3 APLICADO PARA SISTEMA DE TEMPO REAL

Directory of Open Access Journals (Sweden)

Ricardo Alexsandro de Medeiros Valentim

2011-06-01

Full Text Available A tecnologia Ethernet domina o mercado de rede local de computadores. No entanto, não foi estabelecida como uma tecnologia para automação industrial, onde o determinismo procura os requisitos com um desempenho de tempo real. Muitas soluções têm sido propostas para resolver o problema do determinismo não, que se baseiam principalmente no TDMA (acesso múltiplo por divisão de tempo, passagem de token e mestre-escravo. É neste contexto que este trabalho é realizado, através de medidas de desempenho em redes de comunicação que utilizam o padrão IEEE 802.3, observando o comportamento destas redes, quando submetidos a diferentes cenários de sobrecarga. Para isso, as variações foram aprovadas em ambiente de teste, que será baseado em Shared Ethernet (Hub, Ethernet e Ethernet Switch com prioridade (IEEE 802.1Q. Desta forma, é possível indicar quais os dispositivos analisados pelos testes de desempenho demonstrado um comportamento mais adequado para suportar as aplicações com requisitos de tempo real.

The Oral Language Process in Writing: A Real-Life Writing Session.

Science.gov (United States)

Shuy, Roger W.; Robinson, David G.

1990-01-01

Analyzes a real-life writing session involving a male executive in the construction business, his female secretary, and a male representing himself as a state official, working collaboratively to write a letter to a state official urging action on a long overdue claim. Discusses the quality of the drafts and the participants' roles. (KEH)

Literacy Cafe: Making Writing Authentic

Science.gov (United States)

Daniels, Erika

2007-01-01

The "Literacy Cafe," a celebration of genre study and student writing, offers students (and visitors!) a positive environment in which to engage in reading and discussion of writing without self-consciousness or fear of criticism. It works because students learn to recognize writing as a learning tool and a relevant, authentic skill in the real…

Report Writing

DEFF Research Database (Denmark)

Behnke, Eric

In a short and precise way this compendium guides how to write an Engineering Report. The compendium is primarily targeting Engineering Students in thier first and second semester but it might as well be used by students at other technical bachelor educations......In a short and precise way this compendium guides how to write an Engineering Report. The compendium is primarily targeting Engineering Students in thier first and second semester but it might as well be used by students at other technical bachelor educations...

Writing Skills for Technical Students. Fourth Edition.

Science.gov (United States)

Carlisle, Vicky; Smith, Harriet; Baker, Fred; Ellegood, George; Kopay, Carol; Tanzer, Ward; Young, Diana; Dujordan, Jerome; Webster, Ron; Lewis, Sara Drew

This self-paced text/workbook is designed for the adult learner who needs a review of grammar and writing skills in order to write clearly and concisely on the job. It offers career-minded students 14 individualized instructional modules on grammar, paragraph writing, report writing, letter writing, and spelling. It is designed for both self-paced…

Neural Signatures of the Reading-Writing Connection: Greater Involvement of Writing in Chinese Reading than English Reading.

Science.gov (United States)

Cao, Fan; Perfetti, Charles A

2016-01-01

Research on cross-linguistic comparisons of the neural correlates of reading has consistently found that the left middle frontal gyrus (MFG) is more involved in Chinese than in English. However, there is a lack of consensus on the interpretation of the language difference. Because this region has been found to be involved in writing, we hypothesize that reading Chinese characters involves this writing region to a greater degree because Chinese speakers learn to read by repeatedly writing the characters. To test this hypothesis, we recruited English L1 learners of Chinese, who performed a reading task and a writing task in each language. The English L1 sample had learned some Chinese characters through character-writing and others through phonological learning, allowing a test of writing-on-reading effect. We found that the left MFG was more activated in Chinese than English regardless of task, and more activated in writing than in reading regardless of language. Furthermore, we found that this region was more activated for reading Chinese characters learned by character-writing than those learned by phonological learning. A major conclusion is that writing regions are also activated in reading, and that this reading-writing connection is modulated by the learning experience. We replicated the main findings in a group of native Chinese speakers, which excluded the possibility that the language differences observed in the English L1 participants were due to different language proficiency level.

Neural Signatures of the Reading-Writing Connection: Greater Involvement of Writing in Chinese Reading than English Reading.

Directory of Open Access Journals (Sweden)

Fan Cao

Full Text Available Research on cross-linguistic comparisons of the neural correlates of reading has consistently found that the left middle frontal gyrus (MFG is more involved in Chinese than in English. However, there is a lack of consensus on the interpretation of the language difference. Because this region has been found to be involved in writing, we hypothesize that reading Chinese characters involves this writing region to a greater degree because Chinese speakers learn to read by repeatedly writing the characters. To test this hypothesis, we recruited English L1 learners of Chinese, who performed a reading task and a writing task in each language. The English L1 sample had learned some Chinese characters through character-writing and others through phonological learning, allowing a test of writing-on-reading effect. We found that the left MFG was more activated in Chinese than English regardless of task, and more activated in writing than in reading regardless of language. Furthermore, we found that this region was more activated for reading Chinese characters learned by character-writing than those learned by phonological learning. A major conclusion is that writing regions are also activated in reading, and that this reading-writing connection is modulated by the learning experience. We replicated the main findings in a group of native Chinese speakers, which excluded the possibility that the language differences observed in the English L1 participants were due to different language proficiency level.

Low-cost RAU with Optical Power Supply Used in a Hybrid RoF IEEE 802.11 Network

Science.gov (United States)

Kowalczyk, M.; Siuzdak, J.

2014-09-01

The paper presents design and implementation of a low-cost RAU (Remote Antenna Unit) device. It was designed to work in a hybrid Wi-Fi/optical network based on the IEEE 802.11b/g standard. An unique feature of the device is the possibility of optical power supply.

Open Data for Global Multimodal Land Use Classification: Outcome of the 2017 IEEE GRSS Data Fusion Contest

NARCIS (Netherlands)

Yokoya, Naoto; Ghamisi, Pedram; Xia, Junshi; Sukhanov, Sergey; Heremans, Roel; Tankoyeu, Ivan; Bechtel, Benjamin; Saux, Le Bertrand; Moser, Gabriele; Tuia, Devis

2018-01-01

In this paper, we present the scientific outcomes of the 2017 Data Fusion Contest organized by the Image Analysis and Data Fusion Technical Committee of the IEEE Geoscience and Remote Sensing Society. The 2017 Contest was aimed at addressing the problem of local climate zones classification based on

INCLUSIÓN DE CORRELACIONES TEMPORALES CON DEPENDENCIA A LARGO PLAZO Y PATRONES AUTOSIMILARES EN MODELOS DE REDES IEEE 802.3 INCLUSION OF LONG-RANGE-DEPENDENT TEMPORARY CORRELATIONS AND SELF-SIMILAR PATTERNS IN IEEE 802.3 NETWORKS MODELS

Directory of Open Access Journals (Sweden)

Ginno Millán Naveas

2010-04-01

Full Text Available En este trabajo se presentan los fundamentos de un proyecto de investigación sobre el modelado de redes de computadoras con mecanismo de control de acceso al medio, según el estándar IEEE 802.3-2005, empleando los postulados de la teoría de conjuntos autosimilares para establecer el nivel de impacto que poseen las correlaciones temporales con dependencia de largo alcance sobre el rendimiento de tales redes. Se postula una nueva forma de estimar grados de autosimilaridad basada en una variación del estimador de Whittle.The foundation of a research project about a model of computer networks with media access control mechanism based on the IEEE standard 802.3-2005 is presented. The model draws from the theory of self-similar sets for establishing the impact level that the long-range-dependent temporary correlations have on the performance of such networks. A new method for the estimation of self-similar levels based on a variation of the Whittle estimator is postulated.

Towards a more explicit writing pedagogy: The complexity of teaching argumentative writing

Directory of Open Access Journals (Sweden)

Jacqui Dornbrack

2014-04-01

Full Text Available Advances in technology, changes in communication practices, and the imperatives of the workplace have led to the repositioning of the role of writing in the global context. This has implications for the teaching of writing in schools. This article focuses on the argumentative essay, which is a high-stakes genre. A sample of work from one Grade 10 student identified as high performing in a township school in Cape Town (South Africa is analysed. Drawing on the work of Ormerod and Ivanic, who argue that writing practices can be inferred from material artifacts, as well as critical discourse analysis, we show that the argumentative genre is complex, especially for novice first additional language English writers. This complexity is confounded by the conflation of the process and genre approaches in the Curriculum and Assessment Policy Statement (CAPS document. Based on the analysis we discuss the implications of planning, particularly in relation to thinking and reasoning, the need to read in order to write argument and how social and school capital are insufficient without explicit instruction of the conventions of this complex genre. These findings present some insights into particular input needed to improve writing pedagogy for specific genres.

Relationship between gender and tactile-kinesthetic sensitivity and the quality of writing among students with and without writing difficulties

Directory of Open Access Journals (Sweden)

Vujanović Marina M.

2017-01-01

Full Text Available Writing, a skill that students practice as soon as they start primary school, requires coordination between motor, perceptual and cognitive abilities. In order to determine the effect of gender on writing difficulties and the possible differences in the relationship between tactile-kinesthetic perception and writing skills of boys and girls with and without writing difficulties, a study was conducted in 2016 on a sample of 1,156 fifth to eighth grade students of eight Belgrade primary schools. Although the results obtained suggest that girls write faster than boys, difficulties with writing fast were equally present in both groups of students. However, difficulties with writing quality occurred with statistically significantly greater frequency among boys. Pencil grip, kinesthetic sensibility test results and consistency of pressure were not unrelated to students' gender, with girls achieving better results. Moreover, boys had significantly lower scores than girls on tactile function tests. The obtained results indicate that gender is a determinant of writing difficulties as measured through speed of writing and legibility. Also, girls have more developed kinesthetic-tactile functions, which are correlated with writing quality.

IEEE guide for general principles of reliability analysis of nuclear power generating station protection systems

International Nuclear Information System (INIS)

Anon.

1975-01-01

Presented is the Institute of Electrical and Electronics Engineers, Inc. (IEEE) guide for general principles of reliability analysis of nuclear power generating station protection systems. The document has been prepared to provide the basic principles needed to conduct a reliability analysis of protection systems. Included is information on qualitative and quantitative analysis, guides for failure data acquisition and use, and guide for establishment of intervals

Using tracking software for writing instruction

Directory of Open Access Journals (Sweden)

Sane M. Yagi

2011-08-01

Full Text Available Writing is a complex skill that is hard to teach. Although the written product is what is often evaluated in the context of language teaching, the process of giving thought to linguistic form is fascinating. For almost forty years, language teachers have found it more effective to help learners in the writing process than in the written product; it is there that they could find sources of writing problems. Despite all controversy evoked by post-process approaches with respect to process writing, information technology has lately offered tools that can shed new light on how writing takes place. Software that can record keyboard, mouse, and screen activities is capable of unraveling mysteries of the writing process. Technology has given teachers and learners the option of examining the writing process as it unfolds, enabling them to diagnose strategy as well as wording problems, thus empowering teachers to guide learners individually in how to think about each of their trouble spots in the context of a specific product of writing. With these advances in information technology, metacognitive awareness and strategy training begin to acquire new dimensions of meaning. Technology lays open aspects of the writing process, offering unprecedented insight into creative text production as well. This paper attempts to explain how tracking software can influence writing instruction. It briefly examines the process and post-process approaches to assess their viability, explains the concept of tracking software, proposes methodology needed for the adoption of this technology, and then discusses the pedagogical implications of these issues.

Cognitive Factors Contributing to Chinese EFL Learners' L2 Writing Performance in Timed Essay Writing

Science.gov (United States)

Lu, Yanbin

2010-01-01

This study investigated cognitive factors that might influence Chinese EFL learners' argumentative essay writing in English. The factors that were explored included English (L2) language proficiency, Chinese (L1) writing ability, genre knowledge, use of writing strategies, and working memory capacity in L1 and L2. Data were collected from 136…

Live from the Writing Center: Technological Demands and Multiliterate Practice in a Virtual Writing Center.

Science.gov (United States)

Swarts, Jason

"Online Writing Tutorial" (OWI) was designed and piloted in the summer of 2000 as a one to two credit writing course intended for Rensselaer Polytechnic students on co-op assignment in New York and across the country. Similar to its ancestor course, "Writing Workshop" (WW), which was a one-credit course designed to fit the…

The Impact of Digital Tools on Student Writing and How Writing Is Taught in Schools

Science.gov (United States)

Purcell, Kristen; Buchanan, Judy; Friedrich, Linda

2013-01-01

A survey of 2,462 Advanced Placement (AP) and National Writing Project (NWP) teachers finds that digital technologies are shaping student writing in myriad ways and have also become helpful tools for teaching writing to middle and high school students. These teachers see the internet and digital technologies such as social networking sites, cell…

Analyzing the Engineering Educational Research in Spain: A Global Vision through the Awards of CESEI-IEEE

Science.gov (United States)

Plaza, I.; Arcega, F.; Castro, M.; Llamas, M.

2011-01-01

CESEI is the acronym of the Spanish Chapter of the Education Society of IEEE (the Institute of Electric and Electronics Engineers). Every year, the CESEI awards a prize for the best doctoral thesis and FDP (final (master) degree projects) about education. The thesis or the project must be developed in the areas of electrical engineering,…

Analysis of Radio communication solutions in small and isolated communities under the IEEE 802.22 standard

OpenAIRE

Arroyo Arzubi, Alejandro; Castro Lechtaler, Antonio; Foti, Antonio Roberto; Fusario, Rubén J.; García Guibout, Jorge; Sens, Lorena

2013-01-01

In recent years the use of wireless communications has increased significantly. Rural communities without cable network communication have found a solution in wireless technologies. Based on previous fieldwork, this paper analyzes software development of integration based technologies for communication equipment. It focuses on the feasibility of the IEEE 802.22 standard as a solution to the wireless problem.

The Write Brain: How to Educate and Entertain with Learner-Centered Writing

Science.gov (United States)

Iverson, Kathleen M.

2009-01-01

This article presents a conceptual framework for the writing process to facilitate motivation, learning, retention, and knowledge transfer in readers of expository material. Drawing from four well-developed bodies of knowledge--cognitive science, learning theory, technical communication, and creative writing--the author creates a model that allows…

On Gendered Technologies and Cyborg Writing

DEFF Research Database (Denmark)

Muhr, Sara Louise; Rehn, Alf

2015-01-01

Since Hélène Cixous introduced it in 1975, the notion of a specifically feminine writing — écriture féminine — has been discussed as a provocative and potentially disruptive form of representation that breaks with masculine and authoritarian modes thereof. However, in this paper we will discuss how......, as the writer — when writing/publishing — is always already embedded in the technologies of the publishing machine, turning (academic) writing into something akin to cyborg writing. We further suggest that an understanding of the cyborg nature of writing can introduce a parallel mode of inquiry, which holds...

A time-based admission control mechanism for IEEE 802.11 ad Hoc networks

OpenAIRE

Costa, Luís Henrique M. K.; Cerveira, Carlos Rodrigo

2006-01-01

This paper presents a time-based admission control mechanism (TAC) for IEEE 802.11 ad hoc networks. The proposed mechanism was adapted to the QoS AODV routing protocol, which takes the quality of service requirements of the data flow into account in the route discovery process. TAC-AODV estimates the idle time of the physical medium based on the frames listened. The incoming traffic is admitted according to the offered load as well as the intra-flow interference, calculated based on the numbe...

Linguistic aspects of writing for professional purposes

Directory of Open Access Journals (Sweden)

Greta Përgjegji

2016-03-01

Full Text Available Writing for Professional Purposes is considered as a means of communication between professionals who belong to two communities that have different languages, but share the same knowledge or expertise. The article gives a hint on how writing for specific purposes evolved to give rise to the creation of Writing for Professional Purposes. The social, cultural and cognitive aspects are an essential part of Writing for Professional Purposes since the physical act of writing cannot be considered only a result or product of the knowledge the individual possesses but also a social and cultural act. Therefore, the social and cultural aspects of writing explains the specificities and the intricacies of the effects these aspects have on writing for it is considered as an inseparable part of social and cultural groups. On the other hand, the cognitive aspect of writing explains and emphasizes the mental activities of the individual during the decision-making process while he/she is writing planning and editing their material having in mind the audience. On the same line of reasoning, writing for professional purposes in a second language means that the writer has to consider the audience twice; first, there is an audience who shares the same knowledge or expertise and second, the audience does not have the same language. Consequently, writing in another language that is not the first language with a specific jargon as well as a specific grammatical structure brings about a lot of difficulties. Hence, writing in professional contexts in the mother tongue implies only writing in a specialized version of a language already known to the writer, but writing in a target language means that the writer has to learn the target language and the specialized version of that language.

Life Writing After Empire

DEFF Research Database (Denmark)

A watershed moment of the twentieth century, the end of empire saw upheavals to global power structures and national identities. However, decolonisation profoundly affected individual subjectivities too. Life Writing After Empire examines how people around the globe have made sense of the post...... in order to understand how individual life writing reflects broader societal changes. From far-flung corners of the former British Empire, people have turned to life writing to manage painful or nostalgic memories, as well as to think about the past and future of the nation anew through the personal...

Writing to Learn and Learning to Write across the Disciplines: Peer-to-Peer Writing in Introductory-Level MOOCs

Directory of Open Access Journals (Sweden)

Denise K. Comer

2014-11-01

Full Text Available This study aimed to evaluate how peer-to-peer interactions through writing impact student learning in introductory-level massive open online courses (MOOCs across disciplines. This article presents the results of a qualitative coding analysis of peer-to-peer interactions in two introductory level MOOCs: English Composition I: Achieving Expertise and Introduction to Chemistry. Results indicate that peer-to-peer interactions in writing through the forums and through peer assessment enhance learner understanding, link to course learning objectives, and generally contribute positively to the learning environment. Moreover, because forum interactions and peer review occur in written form, our research contributes to open distance learning (ODL scholarship by highlighting the importance of writing to learn as a significant pedagogical practice that should be encouraged more in MOOCs across disciplines.

Writing by Any Other Name

Science.gov (United States)

Yancey, Kathleen Blake

2009-01-01

People are writing as never before--in blogs and text messages and on MySpace and Facebook and Twitter. Teenagers do a good deal of this writing, and in some composing environments--for example, the text-messaging space of a cell phone--they are ahead of adults in their invention of new writing practices and new genres. At the same time, teenagers…

Nudging Students into Writing Creatively (Teaching Ideas).

Science.gov (United States)

Perreault, George; And Others

1996-01-01

Describes ideas for writing prompts and assignments proposed by three different teachers: (1) writing poems inspired by smells of herbs and spices; (2) writing about past perceptions and feelings after looking at a photograph; and (3) writing a "self-portrait." (TB)

Guidelines for writing an argumentative essay

OpenAIRE

Aleksandra Egurnova

2014-01-01

The guidelines below are intended for teachers, professors, students, and the public at large who are interested in the issues of English writing culture. They provide a detailed plan for completing the writing task–writing an argumentative essay.

EXPLICIT PLANNING FOR PARAGRAPH WRITING CLASS

Directory of Open Access Journals (Sweden)

Lestari Setyowati

2017-11-01

Full Text Available The purpose of the study is to improve the students writing ability for paragraph writing class. The subjects of the study were 37 students of English Education Study Program who joined the paragraph writing class. The design of the study was Classroom Action Research with two cycles. Cycle 1 consisted of three meetings, and cycle 2 consisted of two meetings. The types of explicit planning used in the action research were word listing and word mapping with phrases and sentence for detail.  The instruments used were direct writing test, observation, and  documentation of students’ reflective essay. To score the students’ writing, two raters  were asked to rate the composition by using Jacobs ESL Composition profile scoring rubric. The finding shows that the use of explicit planning was able to improve the students’ paragraph writing performance, indicated with the achievement of the criteria of success. The students’ mean improved from cycle 1 (74.62  to cycle2 (76.78. Although explicit planning instruction was able to help the students to write better, data from their self-reflection essay showed that many of the students preferred to use free writing instead of explicit planning instruction.

Longitudinal Relationships of Levels of Language in Writing and between Writing and Reading in Grades 1 to 7

Science.gov (United States)

Abbott, Robert D.; Berninger, Virginia W.; Fayol, Michel

2010-01-01

Longitudinal structural equation modeling was used to evaluate longitudinal relationships across adjacent grade levels 1 to 7 for levels of language in writing (Model 1, subword letter writing, word spelling, and text composing) or writing and reading (Model 2, subword letter writing and word spelling and reading; Model 3, word spelling and…

Self-Coexistence among IEEE 802.22 Networks: Distributed Allocation of Power and Channel.

Science.gov (United States)

Sakin, Sayef Azad; Razzaque, Md Abdur; Hassan, Mohammad Mehedi; Alamri, Atif; Tran, Nguyen H; Fortino, Giancarlo

2017-12-07

Ensuring self-coexistence among IEEE 802.22 networks is a challenging problem owing to opportunistic access of incumbent-free radio resources by users in co-located networks. In this study, we propose a fully-distributed non-cooperative approach to ensure self-coexistence in downlink channels of IEEE 802.22 networks. We formulate the self-coexistence problem as a mixed-integer non-linear optimization problem for maximizing the network data rate, which is an NP-hard one. This work explores a sub-optimal solution by dividing the optimization problem into downlink channel allocation and power assignment sub-problems. Considering fairness, quality of service and minimum interference for customer-premises-equipment, we also develop a greedy algorithm for channel allocation and a non-cooperative game-theoretic framework for near-optimal power allocation. The base stations of networks are treated as players in a game, where they try to increase spectrum utilization by controlling power and reaching a Nash equilibrium point. We further develop a utility function for the game to increase the data rate by minimizing the transmission power and, subsequently, the interference from neighboring networks. A theoretical proof of the uniqueness and existence of the Nash equilibrium has been presented. Performance improvements in terms of data-rate with a degree of fairness compared to a cooperative branch-and-bound-based algorithm and a non-cooperative greedy approach have been shown through simulation studies.

Self-Coexistence among IEEE 802.22 Networks: Distributed Allocation of Power and Channel

Directory of Open Access Journals (Sweden)

Sayef Azad Sakin

2017-12-01

Full Text Available Ensuring self-coexistence among IEEE 802.22 networks is a challenging problem owing to opportunistic access of incumbent-free radio resources by users in co-located networks. In this study, we propose a fully-distributed non-cooperative approach to ensure self-coexistence in downlink channels of IEEE 802.22 networks. We formulate the self-coexistence problem as a mixed-integer non-linear optimization problem for maximizing the network data rate, which is an NP-hard one. This work explores a sub-optimal solution by dividing the optimization problem into downlink channel allocation and power assignment sub-problems. Considering fairness, quality of service and minimum interference for customer-premises-equipment, we also develop a greedy algorithm for channel allocation and a non-cooperative game-theoretic framework for near-optimal power allocation. The base stations of networks are treated as players in a game, where they try to increase spectrum utilization by controlling power and reaching a Nash equilibrium point. We further develop a utility function for the game to increase the data rate by minimizing the transmission power and, subsequently, the interference from neighboring networks. A theoretical proof of the uniqueness and existence of the Nash equilibrium has been presented. Performance improvements in terms of data-rate with a degree of fairness compared to a cooperative branch-and-bound-based algorithm and a non-cooperative greedy approach have been shown through simulation studies.

Democracy and Historical Writing

NARCIS (Netherlands)

de Baets, Antoon

2015-01-01

In this essay, we try to clarify the relationship between democracy and historical writing. The strategy is first exploring the general relationship between democracy and historical awareness, and then, studying the relationship between democracy and historical writing itself to find out whether

Let's Write a Script.

Science.gov (United States)

Harding, T. E.

Some problems of writing scripts for radio and/or television are discussed, with examples provided to illustrate the rules. Writing both fictional scripts and documentaries are considered. Notes are also included to help the freelance writer who wishes to sell his work. (RH)

Proceedings of the IEEE Machine Learning for Signal Processing XVII

DEFF Research Database (Denmark)

The seventeenth of a series of workshops sponsored by the IEEE Signal Processing Society and organized by the Machine Learning for Signal Processing Technical Committee (MLSP-TC). The field of machine learning has matured considerably in both methodology and real-world application domains and has...... become particularly important for solution of problems in signal processing. As reflected in this collection, machine learning for signal processing combines many ideas from adaptive signal/image processing, learning theory and models, and statistics in order to solve complex real-world signal processing......, and two papers from the winners of the Data Analysis Competition. The program included papers in the following areas: genomic signal processing, pattern recognition and classification, image and video processing, blind signal processing, models, learning algorithms, and applications of machine learning...

Teaching life writing texts in Europe : Introduction

NARCIS (Netherlands)

Mreijen, Anne-Marie

2015-01-01

Although courses on auto/biography and life writing are taught at different universities in Europe, and elements of contemporary life writing issues are addressed in different disciplines like sociology and history, life writing courses, as described in Teaching Life Writing Texts, are certainly not

Laser direct writing using submicron-diameter fibers.

Science.gov (United States)

Tian, Feng; Yang, Guoguang; Bai, Jian; Xu, Jianfeng; Hou, Changlun; Liang, Yiyong; Wang, Kaiwei

2009-10-26

In this paper, a novel direct writing technique using submicron-diameter fibers is presented. The submicron-diameter fiber probe serves as a tightly confined point source and it adopts micro touch mode in the process of writing. The energy distribution of direct writing model is analyzed by Three-Dimension Finite-Difference Time-Domain method. Experiments demonstrate that submicron-diameter fiber direct writing has some advantages: simple process, 350-nm-resolution (lower than 442-nm-wavelength), large writing area, and controllable width of lines. In addition, by altering writing direction of lines, complex submicron patterns can be fabricated.

Impact Evaluation of the National Writing Project's College-Ready Writing Project in High Poverty Rural Districts

Science.gov (United States)

Gallagher, H. Alix; Arshan, Nicole; Woodworth, Katrina

2016-01-01

Writing is an essential skill for participating in modern American society. Although it is crucial to careers and civic engagement, student writing falls far short of national expectations (College Board, 2004; NCES, 2012; Persky, Daane, & Jin, 2003). The Common Core State Standards (CCSS) seek to increase the rigor of writing instruction…

Writing Activities Embedded in Bioscience Laboratory Courses to Change Students' Attitudes and Enhance Their Scientific Writing

Science.gov (United States)

Lee, Susan E.; Woods, Kyra J.; Tonissen, Kathryn F.

2011-01-01

We introduced writing activities into a project style third year undergraduate biomolecular science laboratory to assist the students to produce a final report in the form of a journal article. To encourage writing while the experimental work was proceeding, the embedded writing activities required ongoing analysis of experimental data. After…

The Writing Performance of Elementary Students Receiving Strategic and Interactive Writing Instruction

Science.gov (United States)

Wolbers, Kimberly A.; Dostal, Hannah M.; Graham, Steve; Cihak, David; Kilpatrick, Jennifer R.; Saulsburry, Rachel

2015-01-01

Strategic and Interactive Writing Instruction (SIWI) has led to improved writing and language outcomes among deaf and hard of hearing (DHH) middle grades students. The purpose of this study was to examine the effects of SIWI on the written expression of DHH elementary students across recount/personal narrative, information report, and persuasive…

Computers in writing instruction

NARCIS (Netherlands)

Schwartz, Helen J.; van der Geest, Thea; Smit-Kreuzen, Marlies

1992-01-01

For computers to be useful in writing instruction, innovations should be valuable for students and feasible for teachers to implement. Research findings yield contradictory results in measuring the effects of different uses of computers in writing, in part because of the methodological complexity of

Writing History in Exile

NARCIS (Netherlands)

de Baets, Antoon; Berger, Stefan

2016-01-01

WRITING HISTORY IN EXILE * Stefan Berger and Antoon De Baets, Reflections on Exile Historiography 11 * Antoon De Baets, Plutarch’s Thesis : the Contribution of Refugee Historians to Historical Writing (1945-2015) 27 * Peter Burke, Silver Lining : on Some Intellectual Benefits of Exile 39 * Ragnar

AVSS 2007: IEEE International Conference onAdvanced Video and Signal based Surveillance, London, UK, September 2007

DEFF Research Database (Denmark)

Fihl, Preben

This technical report will cover the participation in the IEEE International Conference on Advanced Video and Signal based Surveillance in September 2007. The report will give a concise description of the most relevant topics presented at the conference, focusing on the work related to the HERMES...... project and human motion and action recognition. Our contribution to the conference will also be described....

Writing for Science Literacy

Science.gov (United States)

Chamberlin, Shannon Marie

Scientific literacy is the foundation on which both California's currently adopted science standards and the recommended new standards for science are based (CDE, 2000; NRC, 2011). The Writing for Science Literacy (WSL) curriculum focuses on a series of writing and discussion tasks aimed at increasing students' scientific literacy. These tasks are based on three teaching and learning constructs: thought and language, scaffolding, and meta-cognition. To this end, WSL is focused on incorporating several strategies from the Rhetorical Approach to Reading, Writing, Listening and Speaking to engage students in activities designed to increase their scientific literacy; their ability to both identify an author's claim and evidence and to develop their own arguments based on a claim and evidence. Students participated in scaffolded activities designed to strengthen their written and oral discourse, hone their rhetorical skills and improve their meta-cognition. These activities required students to participate in both writing and discussion tasks to create meaning and build their science content knowledge. Students who participated in the WSL curriculum increased their written and oral fluency and were able to accurately write an evidence-based conclusion all while increasing their conceptual knowledge. This finding implies that a discourse rich curriculum can lead to an increase in scientific knowledge.

Reader-Centered Technical Writing

Science.gov (United States)

Narayanan, M.

2012-12-01

Technical writing is an essential part of professional communication and in recent years it has shifted from a genre-based approach. Formerly, technical writing primarily focused on generating templates of documents and sometimes it was creating or reproducing traditional forms with minor modifications and updates. Now, technical writing looks at the situations surrounding the need to write. This involves deep thinking about the goals and objectives of the project on hand. Furthermore, one observes that it is very important for any participatory process to have the full support of management. This support needs to be well understood and believed by employees. Professional writing may be very persuasive in some cases. When presented in the appropriate context, technical writing can persuade a company to improve work conditions ensuring employee safety and timely production. However, one must recognize that lot of professional writing still continues to make use of reports and instruction manuals. Normally, technical and professional writing addresses four aspects. Objective: The need for generating a given professionally written technical document and the goals the document is expected to achieve and accomplish. Clientele: The clientele who will utilize the technical document. This may include the people in the organization. This may also include "unintended readers." Customers: The population that may be affected by the content of the technical document generated. This includes the stakeholders who will be influenced. Environment: The background in which the document is created. Also, the nature of the situation that warranted the generation of the document. Swiss Psychologist Jean Piaget's view of Learning focuses on three aspects. The author likes to extend Jean Piaget's ideas to students, who are asked to prepare and submit Reader-Centered Technical Writing reports and exercises. Assimilation: Writers may benefit specifically, by assimilating a new object into

Architectural and Functional Design and Evaluation of E-Learning VUIS Based on the Proposed IEEE LTSA Reference Model.

Science.gov (United States)

O'Droma, Mairtin S.; Ganchev, Ivan; McDonnell, Fergal

2003-01-01

Presents a comparative analysis from the Institute of Electrical and Electronics Engineers (IEEE) Learning Technology Standards Committee's (LTSC) of the architectural and functional design of e-learning delivery platforms and applications, e-learning course authoring tools, and learning management systems (LMSs), with a view of assessing how…

Dissociation of writing processes: functional magnetic resonance imaging during writing of Japanese ideographic characters.

Science.gov (United States)

Matsuo, K; Nakai, T; Kato, C; Moriya, T; Isoda, H; Takehara, Y; Sakahara, H

2000-06-01

Dissociation between copying letters and writing to dictation has been reported in the clinical neuropsychological literature. Functional magnetic resonance imaging (fMRI) was conducted in normal volunteers to detect the neurofunctional differences between 'copying Kanji', the Japanese ideographic characters, and 'writing Kanji corresponding to phonological information'. Four tasks were conducted: the copying-Kanji task, the writing-Kanji-corresponding-to-phonogram task, the Kanji-grapheme-puzzle task, and the control task. The right superior parietal lobule was extensively activated during the copying-Kanji task (a model of the copying letters process) and the Kanji-grapheme-puzzle task. These observations suggested that this area was involved in referring the visual stimuli closely related to the ongoing handwriting movements. On the other hand, Broca's area, which is crucial for language production, was extensively activated during the writing-Kanji-corresponding-to-phonogram task (a model of the writing-to-dictation process). The Kanji-grapheme-puzzle task activated the bilateral border portions between the inferior parietal lobule and the occipital lobe, the left premotor area, and the bilateral supplementary motor area (SMA). Since the Kanji-grapheme-puzzle task involved manipulospatial characteristics, these results suggested cooperation between visuospatial and motor executive functions, which may be extensively utilized in demanding visual language processing. The neurofunctional difference between 'copying Kanji' and 'writing Kanji corresponding to phonogram' was efficiently demonstrated by this fMRI experiment.

Teaching Process Writing in an Online Environment

Science.gov (United States)

Carolan, Fergal; Kyppö, Anna

2015-01-01

This reflective practice paper offers some insights into teaching an interdisciplinary academic writing course aimed at promoting process writing. The study reflects on students' acquisition of writing skills and the teacher's support practices in a digital writing environment. It presents writers' experiences related to various stages of process…

Why Literature Students Should Practise Life Writing

Science.gov (United States)

Cardell, Kylie; Douglas, Kate

2018-01-01

This article considers our experiences teaching a hybrid literature/creative writing subject called "Life Writing." We consider the value of literature students engaging in creative writing practice--in this instance, the nonfiction subgenre of life writing--as part of their critical literary studies. We argue that in practicing life…

Genre-Based Tasks in Foreign Language Writing: Developing Writers' Genre Awareness, Linguistic Knowledge, and Writing Competence

Science.gov (United States)

Yasuda, Sachiko

2011-01-01

This study examines how novice foreign language (FL) writers develop their genre awareness, linguistic knowledge, and writing competence in a genre-based writing course that incorporates email-writing tasks. To define genre, the study draws on systemic functional linguistics (SFL) that sees language as a resource for making meaning in a particular…

Learning to Write and Writing to Learn Social Work Concepts: Application of Writing across the Curriculum Strategies and Techniques to a Course for Undergraduate Social Work Students

Science.gov (United States)

Horton, E. Gail; Diaz, Naelys

2011-01-01

Although writing is of great importance to effective social work practice, many students entering social work education programs experience serious academic difficulties related to writing effectively and thinking critically. The purpose of this article is to present an introductory social work course that integrates Writing Across the Curriculum…

Source-Based Tasks in Writing Independent and Integrated Essays

Directory of Open Access Journals (Sweden)

Javad Gholami

2017-07-01

Full Text Available Integrated writing tasks have gained considerable attention in ESL and EFL writing assessment and are frequently needed and used in academic settings and daily life. However, they are very rarely practiced and promoted in writing classes. This paper explored the effects of source-based writing practice on EFL learners’ composing abilities and investigated the probable differences between those tasks and independent writing ones in improving Iranian EFL learners’ essay writing abilities. To this end, a quasi-experimental design was implemented to gauge EFL learners’ writing improvements using a pretest-posttest layout. Twenty female learners taking a TOEFL iBT preparation course were randomly divided into an only-writing group with just independent writing instruction and essay practice, and a hybrid-writing-approach group receiving instruction and practice on independent writing plus source-based essay writing for ten sessions. Based on the findings, the participants with hybrid writing practice outperformed their counterparts in integrated essay tests. Their superior performance was not observed in the case of traditional independent writing tasks. The present study calls for incorporating more source-based writing tasks in writing courses.

Writing proofs in analysis

CERN Document Server

Kane, Jonathan M

2016-01-01

This is a textbook on proof writing in the area of analysis, balancing a survey of the core concepts of mathematical proof with a tight, rigorous examination of the specific tools needed for an understanding of analysis. Instead of the standard "transition" approach to teaching proofs, wherein students are taught fundamentals of logic, given some common proof strategies such as mathematical induction, and presented with a series of well-written proofs to mimic, this textbook teaches what a student needs to be thinking about when trying to construct a proof. Covering the fundamentals of analysis sufficient for a typical beginning Real Analysis course, it never loses sight of the fact that its primary focus is about proof writing skills. This book aims to give the student precise training in the writing of proofs by explaining exactly what elements make up a correct proof, how one goes about constructing an acceptable proof, and, by learning to recognize a correct proof, how to avoid writing incorrect proofs. T...

The Writing Staff as Faculty Compost Pile.

Science.gov (United States)

Dorenkamp, Angela G.

Misconceptions about the teaching of writing prevail on many college campuses, partially because writing teachers fail to communicate with their colleagues. It is especially important for writing teachers to let their colleagues know that learning to write is a long term developmental process that needs support and reinforcement from the entire…

Engaging Young Adolescents in School-Based Writing

Science.gov (United States)

Yost, Deborah S.; Liang, Ling L.; Vogel, Robert

2014-01-01

How might middle school teachers and schools more appropriately engage early adolescent students in the writing process so that they are motivated and engaged to "want" to write and write well? This article introduces "Writers Matter," an approach designed to engage and motivate young adolescents in the writing process,…

More than words: applying the discipline of literary creative writing to the practice of reflective writing in health care education.

Science.gov (United States)

Kerr, Lisa

2010-12-01

This paper examines definitions and uses of reflective and creative writing in health care education classrooms and professional development settings. A review of articles related to writing in health care reveals that when teaching narrative competence is the goal, creative writing may produce the best outcomes. Ultimately, the paper describes the importance of defining literary creative writing as a distinct form of writing and recommends scholars interested in using literary creative writing to teach narrative competence study pedagogy of the field.

The Teaching of EFL Writing in Indonesia

Directory of Open Access Journals (Sweden)

Ariyanti Ariyanti

2016-12-01

Full Text Available Writing is one of the most important aspects in English language acquisition. Teaching writing has its own challenges since there are some steps and requirements that teachers should prepare to undertake in the classroom. This article is aimed to discuss teaching and learning writing in the classroom based on theoretical conceptualisation. In addition, curriculum of teaching writing will be another important factor to consider as well as research and practice in teaching writing. Based on comparison to many theoretical concepts from various researchers, it shows that most of Indonesian students still struggle to figure out their problems of grammatical area. The biggest challenge is derived from the difference in cultural backgrounds between the students’ mother tongue and English, so it is possible to know the production of their writing does not ‘sound’ well in appropriate culture of English. Several problems also occur when the teachers have big classes to teach and the result of teaching writing to the students may be defeated. In this case, time also being a big challenge for the teachers to have the students’ writing improve because to accomplish a good composition in English, it needs complex steps such as brainstorming, prewriting, drafting, and editing. However, new techniques in teaching writing are needed to develop the students’ writing outcomes.

Evaluating undergraduate nursing students' self-efficacy and competence in writing: Effects of a writing intensive intervention.

Science.gov (United States)

Miller, Louise C; Russell, Cynthia L; Cheng, An-Lin; Skarbek, Anita J

2015-05-01

While professional nurses are expected to communicate clearly, these skills are often not explicitly taught in undergraduate nursing education. In this research study, writing self-efficacy and writing competency were evaluated in 52 nontraditional undergraduate baccalaureate completion students in two distance-mediated 16-week capstone courses. The intervention group (n = 44) experienced various genres and modalities of written assignments set in the context of evidence-based nursing practice; the comparison group (n = 8) received usual writing undergraduate curriculum instruction. Self-efficacy, measured by the Post Secondary Writerly Self-Efficacy Scale, indicated significant improvements for all self-efficacy items (all p's = 0.00). Writing competency, assessed in the intervention group using a primary trait scoring rubric (6 + 1 Trait Writing Model(®) of Instruction and Assessment), found significant differences in competency improvement on five of seven items. This pilot study demonstrated writing skills can improve in nontraditional undergraduate students with guided instruction. Further investigation with larger, culturally diverse samples is indicated to validate these results. Copyright © 2014 Elsevier Ltd. All rights reserved.

Practical support for Lean Six Sigma software process definition using IEEE software engineering standards

CERN Document Server

Land, Susan K; Walz, John W

2012-01-01

Practical Support for Lean Six Sigma Software Process Definition: Using IEEE Software Engineering Standards addresses the task of meeting the specific documentation requirements in support of Lean Six Sigma. This book provides a set of templates supporting the documentation required for basic software project control and management and covers the integration of these templates for their entire product development life cycle. Find detailed documentation guidance in the form of organizational policy descriptions, integrated set of deployable document templates, artifacts required in suppo

Moving beyond Journaling to Dialogues in Writing

Science.gov (United States)

Hail, Cindy; George, Sue; Hail, John

2013-01-01

The last two decades have produced theoretical-based methodology models emphasizing student-centered and learner-controlled writing experiences. During the 1990s, writing evolved into a function of learning. As more was learned about the writing process, it became evident that writing led to clarifying thinking and served as a forum for revealing…

The Word Writing CAFE: Assessing Student Writing for Complexity, Accuracy, and Fluency

Science.gov (United States)

Leal, Dorothy J.

2005-01-01

The Word Writing CAFE is a new assessment tool designed for teachers to evaluate objectively students' word-writing ability for fluency, accuracy, and complexity. It is designed to be given to the whole class at one time. This article describes the development of the CAFE and provides directions for administering and scoring it. The author also…

Teaching Writing in Economics

Science.gov (United States)

Schmeiser, Katherine

2017-01-01

In this article, the author provides motivation and a template for integrating and teaching writing in a variety of economics courses: core theory or introductory courses, topic courses, and economic writing/research courses. For each assignment, pedagogical reasoning and syllabus integration are discussed. Additionally, the author shows that…

Writing in Preliterate Children.

Science.gov (United States)

Gombert, Jean Emile; Fayol, Michel

1992-01-01

Dictated words and pictures by 48 young French children, aged 3 to 6 years, demonstrated that young children have the capacity to produce graphics that exhibit some of the characteristics of writing. Developmental stages in children's recognition that their own efforts were not true writing were identified. (SLD)

Academic Writing : Examples from BUV

OpenAIRE

Engdahl, Ingrid

2016-01-01

This guide is an introduction to academic writing that describes features of scientific writing that are recommended for students in Teacher Education Programmes and in Child and Youth Studies. It includes a style guide, how to structure your text, and an APA Publication Manual for referencing, as well as guides for writing an outline for a study, advice for serving as opponent(s) and respondent(s) and an agenda for a thesis/examining seminar.

A strategy for implementation of experience based seismic equipment qualification in IEEE and ASME industry standards

International Nuclear Information System (INIS)

Adams, T.M.

1996-01-01

In the past 20 years, extensive data on the performance of mechanical and electric equipment during actual strong motion earthquakes and seismic qualification tests has been accumulated. Recognizing that an experience based approach provides a technically sound and cost effective method for the seismic qualification of some or certain equipment, the IEEE Nuclear Power Engineering Committee and the ASME Committee on Qualification of Mechanical Equipment established a Special Working Group to investigate the incorporation of experienced based methods into the industry consensus codes and standards currently used in the seismic qualification of Seismic Category Nuclear Power Plant equipment. This paper presents the strategy (course of action) which was developed by the Special Working Group for meeting this objective of incorporation of experience based seismic qualification standards used in the design and seismic qualification of seismic category nuclear power plant equipment. This strategy was recommended to both chartering organizations, the IEEE Nuclear Power Engineering Committee and the ASME Committee on Qualification of Mechanical Equipment for their consideration and implementation. The status of the review and implementation of the Special Working Group's recommended strategy by the sponsoring organization is also discussed