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Random Access Algorithms For Multiuser Computer Communication Networks
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Book Synopsis Random Access Algorithms for Multiuser Computer Communication Networks by : P. Papantoni-Kazakos
Download or read book Random Access Algorithms for Multiuser Computer Communication Networks written by P. Papantoni-Kazakos and published by . This book was released on 1988 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: For many communication applications with time constraints (e.g., transmission of packetized voice messages), a critical performance measure is the percentage of messages which are transmitted within a given amount of time after their generation at the transmitting station. In this talk we present a random access algorithm (RAA) suitable for time-constrained applications. Performance analysis demonstrates that significant message delay improvement is attained, at the expense of minimal traffic loss. We also consider the case of noisy channels. The noise effect appears at erroneously observed channel feedback. Error sensitivity analysis shows that the proposed random access algorithm is insensitive to feedback channel errors. Window Random Access Algorithms (RAAs) are considered next. These algorithms constitute an important subclass of Multiple Access Algorithms (MAAs); they are distributive and they attain high throughput and low delays by controlling the number of simultaneously transmitting users. Theses. (FR).
Book Synopsis On the approximation of the output process of multi-user random access communication networks by : Ioanis Stavrakakis
Download or read book On the approximation of the output process of multi-user random access communication networks written by Ioanis Stavrakakis and published by . This book was released on 1987 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: A lot of work has been done towards the direction of developing communication protocols that determine how a single common resource can be efficiently shared by a large population of users. By now, it is well known that fixed assignment techniques are not appropriate for a system with large population of bursty users. In the latter case, random access protocols are more efficient and many of them have been suggested. Usually, the amount of information transmitted per time is of fixed length, called a packet. In most of the systems, time is divided into slots of length equal to the time needed for a packet transmission (slotted systems). The deployment of an ever increasing number of multi-user random access communication networks, Brought up the question of how packets whose destination is another network, should be handled. Thus, the issue of network interconnection or multi-hop packet transmission, arises, 3, 6, 7. The basic problem in analyzing interconnected systems is that of characterizing the output process of a multi-user random access communication system; i.e., the departure process of the successfully transmitted packets.
Book Synopsis Random Access Algorithms in Multi-user Communication Systems for Spread Spectrum and Non-spread-spectrum Environments by : Michael Georgiopoulos
Download or read book Random Access Algorithms in Multi-user Communication Systems for Spread Spectrum and Non-spread-spectrum Environments written by Michael Georgiopoulos and published by . This book was released on 1986 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 1460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Random Access Multi-user Communication Networks and Approximation of Their Output Proces by : Ioanis Stavrakakis
Download or read book Random Access Multi-user Communication Networks and Approximation of Their Output Proces written by Ioanis Stavrakakis and published by . This book was released on 1988 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 2nd-order markovian approximation of the output process of multi-user random access communication networks by : Ioanis Stavrakakis
Download or read book 2nd-order markovian approximation of the output process of multi-user random access communication networks written by Ioanis Stavrakakis and published by . This book was released on 1988 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An algorithm for random access communication over a noisy channel by : P. Papantoni-Kazakos
Download or read book An algorithm for random access communication over a noisy channel written by P. Papantoni-Kazakos and published by . This book was released on 1988 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: We consider synchronous random access systems with noisy transmission channels. We model the channel noise as two types of erroneous feedbacks observed by the users. Specifically, with some probabilities, a successful channel slot and an empty channel slot can be seen as collision slots. For such systems, we analyze the stability conditions of a random access algorithm, both in its full sensing and limited sensing versions. We exhibit the superior resistance of the algorithm to the above feedback errors.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1990 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Broadband Wireless Access by : Benny Bing
Download or read book Broadband Wireless Access written by Benny Bing and published by Springer Science & Business Media. This book was released on 2006-04-18 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bing (satellite and hybrid communication networks, U. of Maryland) discusses the design and development of wireless access protocols, emphasizing how such protocols can efficiently support disparate classes of multimedia traffic. After introducing and surveying the evolution of wireless access protocols, he describes many important protocols that are deployed or experimented with in various broadband wireless environments, such as asynchronous transfer mode, satellite networks, mobile cellular and personal communications systems, local loops, and local-area and home networks. Seeking a broad audience ranging from novices to veterans who are undertaking research in the area, he does discuss engineering aspects but focuses on the physical understanding and keeps the mathematics to a minimum. Annotation copyrighted by Book News, Inc., Portland, OR
Book Synopsis The Froehlich/Kent Encyclopedia of Telecommunications by : Fritz E. Froehlich
Download or read book The Froehlich/Kent Encyclopedia of Telecommunications written by Fritz E. Froehlich and published by CRC Press. This book was released on 1992-04-23 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The only continuing source that helps users analyze, plan, design, evaluate, and manage integrated telecommunications networks, systems, and services, The Froehlich/Kent Encyclopedia of Telecommunications presents both basic and technologically advanced knowledge in the field. An ideal reference source for both newcomers as well as seasoned specialists, the Encyclopedia covers seven key areas--Terminals and Interfaces; Transmission; Switching, Routing, and Flow Control; Networks and Network Control; Communications Software and Protocols; Network and system Management; and Components and Processes."
Book Synopsis Machine Learning and Intelligent Communications by : Xuemai Gu
Download or read book Machine Learning and Intelligent Communications written by Xuemai Gu and published by Springer. This book was released on 2018-01-20 with total page 715 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two volume set constitutes the refereed post-conference proceedings of the Second International Conference on Machine Learning and Intelligent Communications, MLICOM 2017, held in Weihai, China, in August 2017. The 143 revised full papers were carefully selected from 225 submissions. The papers are organized thematically in machine learning, intelligent positioning and navigation, intelligent multimedia processing and security, intelligent wireless mobile network and security, cognitive radio and intelligent networking, intelligent internet of things, intelligent satellite communications and networking, intelligent remote sensing, visual computing and three-dimensional modeling, green communication and intelligent networking, intelligent ad-hoc and sensor networks, intelligent resource allocation in wireless and cloud networks, intelligent signal processing in wireless and optical communications, intelligent radar signal processing, intelligent cooperative communications and networking.
Book Synopsis Multiple Access Algorithms for Multiuser Communication Systems by : Michael Georgiopoulos
Download or read book Multiple Access Algorithms for Multiuser Communication Systems written by Michael Georgiopoulos and published by . This book was released on 1983 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multi-User Communication Systems by : Giuseppe Longo
Download or read book Multi-User Communication Systems written by Giuseppe Longo and published by Springer. This book was released on 2014-05-04 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Recent Awards in Engineering written by and published by . This book was released on 1983 with total page 986 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiaccess, Reservations & Queues by : Dee Denteneer
Download or read book Multiaccess, Reservations & Queues written by Dee Denteneer and published by Springer Science & Business Media. This book was released on 2008-10-20 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reservation procedures constitute the core of many popular data transmission protocols. They consist of two steps: A request phase in which a station reserves the communication channel and a transmission phase in which the actual data transmission takes place. Such procedures are often applied in communication networks that are characterised by a shared communication channel with large round-trip times. In this book, we propose queuing models for situations that require a reservation procedure and validate their applicability in the context of cable networks. We offer various mathematical models to better understand the performance of these reservation procedures. The book covers four key performance models, and modifications to these: Contention trees, the repairman model, the bulk service queue, and tandem queues. The relevance of this book is not limited to reservation procedures and cable networks, and performance analysts from a variety of areas may benefit, as all models have found application in other fields as well.
Book Synopsis Random-access Algorithms for Environments with Capture by : P. Papantoni-Kazakos
Download or read book Random-access Algorithms for Environments with Capture written by P. Papantoni-Kazakos and published by . This book was released on 1988 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Communication networks have seen a remarkable rise in both applications and theoretical study in the past twenty years. An increased demand for flexible and easily modified communication systems has supported recent interest in applications of communication networks to a wide variety of problems such as mobile packet radio, distributed sensor systems, satellite networks, and a plethora of applications in integrated computer communications. Such systems are typically characterized by a large number of users attempting to communicate with a central node via a common communication media. The multiaccess communication problem examines how to utilize most efficiently the available communication resources. This thesis proposes two random-access algorithms appropriate for operation in networks employing capture (that is, the correct reception of a single transmission in the presence of multiple transmissions). Both the paradigmatic ternary-feedback model as well as an enriched-feedback scheme are considered. After observing the regenerative properties of these algorithms, several results from renewal theory are employed to compute the throughput and delay characteristics of the proposed algorithms. It is shown that significant performance improvements (as compared to non-capture systems) are possible using systems with capture and employing appropriate random-access algorithms. Extensive numerical results are included.
Book Synopsis Multiple Access Communications by : Alexey Vinel
Download or read book Multiple Access Communications written by Alexey Vinel and published by Springer. This book was released on 2010-09-08 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is our great pleasure to present the proceedings of the Third International Workshop on Multiple Access Communications (MACOM) that was held in Barcelona during September 13–14, 2010. In 1961, Claude Shannon established the foundation for the discipline now known as “multi-user information theory” in his pioneering paper “Two-way Communication Channels,” and later Norman Abramson published his paper “The Aloha System—Another Alternative for Computer Communications” in 1970 which introduced the concept of multiple access using a shared common channel. Thereafter, for more than 40 years of study, numerous elegant theories and algorithms have been developed for multiple-access communications. During the 1980s and 1990s the evolution of multiple-access techniques p- ceeded in conjunction with the evolution of wireless networks. Novel multiple access techniques like code division multiple access (CDMA) and orthogonal frequency division multiple access (OFDMA) provided increased spectral - ?ciency, dynamicity and ?exibility in radio resource allocation with intrinsic anti-multipath and anti-interference features. In this ?rst decade of the 21st century,multiple-accesstechniques,derivedfromadvancedwirelesstransmission methodologiesbasedonthediversityconcept(e. g. ,MC-CDMA,MIMO-OFDMA and SC-FDMA), opened the road to a renewed idea of multiple access. Today multiple-access communications involve many challenging aspects not only l- ited (like in the past) to physical layer design. Medium access control (MAC) techniques play a crucial role in managing the radio resources that users will exploit to transmit their data streams. Recent developments in software radios and cognitive radios have led to a signi?cant impact also on spectrum m- agement and access paradigms.
