Download or read book Performance analysis of computer communication networks via random access channels written by Stanford University Stanford Electronics Laboratories. Digital Systems Laboratory and published by . This book was released on 1977 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of computer communication networks has grown very rapidly in the past few years. One way to communicate is via multiple access broadcast channels. A new class of random access schemes referred to as the Mp-persistent CSMA scheme is proposed. It incorporates the nonpersistent CSMA scheme and the 1-persistent CSMA scheme, both slotted and unslotted versions, as its special cases with p=0 and 1, respectively. The performance of the Mp-persistent CSMA scheme under packet switching is analyzed and compared with other random access schemes. By dynamically adjusting p, the unslotted version can achieve better performance in both throughput and delay than the currently available unslotted CSMA schemes under packet switching. Furthermore, the performance of various random access schemes under message switching is analyzed and compared with that under packet switching. In both slotted and unslotted versions of the M0-persistent CSMA scheme, the performance under message switching is superior to that under packet switching in the sense that not only the channel capacity is larger but also the average number of retransmissions per successful message under message switching is smaller than that per successful packet under packet switching. In dynamic reservation schemes, message switching leads to larger channel capacity. However, in both slotted and unslotted versions of the ALOHA scheme, the channel capacity is reduced when message switching is used instead of packet switching. This phenomenon may also happen in the Mp-persistent CSMA scheme as p deviates from 0 to 1 for certain distributions of message length. Hence, the performance under message switching may be superior to or inferior to that under packet switching depending upon the random access scheme being used and the distribution of message length (usually a large coefficient of variation of message length implies a large degradation of channel capacity in this case) for certain random access schemes. Nevertheless, for radio channels, message switching can achieve larger channel capacity if appropriate CSMA schemes are used. A mixed strategy which is a combination of message switching and packet switching is proposed to improve the performance of a point to point computer communication network when its terminal access networks communicate via highly utilized radio channels.
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Performance Modeling and Analysis of Communication Networks written by Phuoc Tran-Gia and published by BoD – Books on Demand. This book was released on 2021-10-12 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook provides an introduction to common methods of performance modeling and analysis of communication systems. These methods form the basis of traffic engineering, teletraffic theory, and analytical system dimensioning. The fundamentals of probability theory, stochastic processes, Markov processes, and embedded Markov chains are presented. Basic queueing models are described with applications in communication networks. Advanced methods are presented that have been frequently used in recent practice, especially discrete-time analysis algorithms, or which go beyond classical performance measures such as Quality of Experience or energy efficiency. Recent examples of modern communication networks include Software Defined Networking and the Internet of Things. Throughout the book, illustrative examples are used to provide practical experience in performance modeling and analysis. Target group: The book is aimed at students and scientists in computer science and technical computer science, operations research, electrical engineering and economics.
Download or read book NBS Special Publication written by and published by . This book was released on 1973 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Annotated Bibliography of the Literature on Resource Sharing Computer Networks written by Helen M. Wood and published by . This book was released on 1976 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Vehicular Communications and Networks written by Wai Chen and published by Elsevier. This book was released on 2015-03-09 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vehicular Communications and Networks: Architectures, Protocols, Operation and Deployment discusses VANETs (Vehicular Ad-hoc Networks) or VCS (Vehicular Communication Systems), which can improve safety, decrease fuel consumption, and increase the capacity of existing roadways and which is critical for the Intelligent Transportation System (ITS) industry. Part one covers architectures for VCS, part two describes the physical layer, antenna technologies and propagation models, part three explores protocols, algorithms, routing and information dissemination, and part four looks at the operation and deployment of vehicular communications and networks. - Comprehensive coverage of the fundamental principles behind Vehicular Ad-hoc Networks (VANETS) and the rapidly growing need for their further development - Thorough overview of the design and development of key technologies and devices - Explores the practical application of this technology by outlining a number of case studies, testbeds and simulations employing vehicular communications and networks
Download or read book Advances in Electronics Communication and Computing written by Akhtar Kalam and published by Springer. This book was released on 2017-10-27 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a compilation of research work in the interdisciplinary areas of electronics, communication, and computing. This book is specifically targeted at students, research scholars and academicians. The book covers the different approaches and techniques for specific applications, such as particle-swarm optimization, Otsu’s function and harmony search optimization algorithm, triple gate silicon on insulator (SOI)MOSFET, micro-Raman and Fourier Transform Infrared Spectroscopy (FTIR) analysis, high-k dielectric gate oxide, spectrum sensing in cognitive radio, microstrip antenna, Ground-penetrating radar (GPR) with conducting surfaces, and digital image forgery detection. The contents of the book will be useful to academic and professional researchers alike.
Download or read book Government Reports Announcements Index written by and published by . This book was released on 1986-12 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NETWORKING 2004 Networking Technologies Services and Protocols Performance of Computer and Communication Networks Mobile and Wireless Communications written by Nikolas Mitrou and published by Springer. This book was released on 2004-04-08 with total page 1553 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the refereed proceedings of the 3rd International IFIP-TC6 Networking Conference, Networking 2004. Conferences in the Networking series span the interests of several distinct, but related, TC6 working groups, including Working Groups 6.2, 6.3, and 6.8. Re?ecting this, the conference was structured with three Special Tracks: (i) Networking Technologies, Services, and Protocols; (ii) Performance of Computer and Communication Networks; and (iii) Mobile and Wireless Communications. However, beyond providing a forum for the presentation of high-quality - search in various complementary aspects of networking, the conference was also targetedtocontributingtoauni?edviewofthe?eldandtofosteringtheinter- tion and exchange of fruitful ideas between the various related (and overlapping) specialized subcommunities therein. Towards this second objective, more than a few conference sessions (and thematic sections in this book) ‘cut across’ the Special Tracks, along more generic or fundamental concepts. Networking 2004 was fortunate to attract very high interest among the c- munity, and the conference received 539 submissions from 44 countries in all ?ve continents. These ?gures correspond to a remarkable increase in subm- sions from the previous very successful events (roughly, a 156% increase over Networking 2000 and 71% over Networking 2002), and indicate that Netw- king conferences are progressively becoming established as worldwide reference events in the ?eld.
Download or read book Modern Random Access Protocols written by Matteo Berioli and published by . This book was released on 2016 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: Random access represents possibly the simplest and yet one of the best known approaches for sharing a channel among several users. Since their introduction in the 1970s, random access schemes have been thoroughly studied and small variations of the pioneering Aloha protocol have since then become a key component of many communications standards, ranging from satellite networks to ad hoc and cellular scenarios. A fundamental step forward for this old paradigm has been witnessed in the past few years, with the development of new solutions, mainly based on the principles of successive interference cancellation, which made it possible to embrace constructively collisions among packets rather enduring them as a waste of resources. These new lines of research have rendered the performance of modern random access protocols competitive to that of their coordinated counterparts, paving the road for a multitude of new applications. This monograph explores the main ideas and design principles that are behind some of such novel schemes, and aims at offering to the reader an introduction to the analytical tools that can be used to model their performance. After reviewing some relevant results for the random access channel, the volume focuses on slotted solutions that combine the approach of diversity Aloha with successive interference cancellation, and discusses their optimisation based on an analogy with the theory of codes on graphs. The potential of modern random access is then further explored considering two families of schemes: the former based on physical layer network coding to resolve collisions among users, and the latter leaning on the concept of receiver diversity. Finally, the opportunities and the challenges encountered by random access solutions recently devised to operate in asynchronous, i.e., unslotted, scenarios are reviewed and discussed.
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 1100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NETWORKING 2002 Networking Technologies Services and Protocols Performance of Computer and Communication Networks Mobile and Wireless Communications written by Enrico Gregori and published by Springer Science & Business Media. This book was released on 2007-06-30 with total page 1281 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the Second IFIP-TC6 Netw- king Conference, Networking 2002. Networking 2002 was sponsored bythe IFIP Working Groups 6.2, 6.3, and 6.8. For this reason the conference was structured into three tracks: i) Networking Technologies, Services, and Protocols, ii) Perf- mance of Computer and Communication Networks, and iii) Mobile and Wireless Communications. This year the conference received 314 submissions coming from 42 countries from all ?ve continents Africa (4), Asia (84), America (63), Europe (158), and Oc- nia (5). This represents a 50% increase in submissions over the ?rst conference, thus indicating that Networking is becoming a reference conference for wor- wide researchers in the networking community. With so manypapers to choose from, the job of the Technical Program C- mittee, to provide a conference program of the highest technical excellence, was both challenging and time consuming. From the 314 submissions, we ?nallys- ected 82 full papers for presentation during the conference technical sessions. To give young researchers and researchers from emerging countries the oppor- nityto present their work and to receive useful feedback from participants, we decided to include two poster sessions during the technical program. Thirty-one short papers were selected for presentation during the poster sessions. The conference technical program was split into three days, and included, in addition to the 82 refereed contributions, 5 invited papers from top-level rese- chers in the networking community.
Download or read book Distributed Computer and Communication Networks written by Vladimir M. Vishnevskiy and published by Springer. This book was released on 2018-09-03 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 21th International Conference on Distributed and Computer and Communication Networks, DCCN 2018, held in Moscow, Russia, in September 2018. The 50 full papers and the 9 short papers were carefully reviewed and selected from 168 submissions. The papers cover the following topics: computer and communication networks architecture optimization; control in computer and communication networks; performance and QoS/QoE evaluation in wireless networks; analytical modeling and simulation of next-generation communications systems; queueing theory and reliability theory applications in computer networks; wireless 4G/5G networks, cm- and mm-wave radio technologies; RFID technology and its application in intellectual transportation networks; Internet of Things, wearables, and applications of distributed information systems; probabilistic and statistical models in information systems; mathematical modeling of high-tech systems; mathematical modeling and control problems; distributed and cloud computing systems, big data analytics.
Download or read book Documentation Abstracts written by and published by . This book was released on 1995 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wireless Mesh Networks written by Andrey Krendzel and published by BoD – Books on Demand. This book was released on 2012-08-14 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an in-depth look into recent advances in relation to novel design strategies and algorithms to improve performance and functionality of WMNs. Ten contributed chapters written by a group of well-known experts in wireless mesh networking are arranged in two parts. The first part of the book focuses on link scheduling schemes to select a subset of links for simultaneous transitions under interference constraints in an efficient and fair manner to guarantee a certain level of network connectivity. Besides, it describes channel assignment strategies to improve the network throughput in multi-radio multi-channel WMNs by means of an efficient channel utilization and minimization of the interference. The second part of the book addresses some important network planning issues related to efficient routing protocols in dynamic large-scale mesh environment, achievable capacity limit of a single wireless link between two multi-interface mesh nodes, the correctness of the mesh security architecture, fault-tolerant mesh network topology planning.
Download or read book Canadian Journal of Electrical and Computer Engineering written by and published by . This book was released on 1988 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Computers Control Information Theory written by and published by . This book was released on 1979 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
