Performance Analysis Of Multihop Packet Radio Networks Under Slotted Frequency Hopping Access Scheme
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Performance Analysis Of Multihop Packet Radio Networks Under Slotted Frequency Hopping Access Scheme
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Author : Hahan Rahardjo
language : en
Publisher:
Release Date : 1987
Performance Analysis Of Multihop Packet Radio Networks Under Slotted Frequency Hopping Access Scheme written by Hahan Rahardjo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Frequency response (Electrical engineering) categories.
Performance Evaluation Of Channel Access Schemes In Multihop Packet Radio Networks With Regular Structure By Simulation
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Author : Fouad A. Tobagi
language : en
Publisher:
Release Date : 1985
Performance Evaluation Of Channel Access Schemes In Multihop Packet Radio Networks With Regular Structure By Simulation written by Fouad A. Tobagi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Computer networks categories.
In this report, the performance of various channel access schemes in multi-hop packet radio networks with a regular structure is studied by means of simulation. The channel access schemes considered are: ALOHA (pure and slotted), Carrier Sense Multiple Access (CSMA), Busy Tone Multiple Access (BTMA), Code Division Multiple Access (CDMA), and a new hypothetical scheme introduced here for comparison purposes referred to as Coded Activity Signalling Multiple Access (CASMA. Network throughput and packet delay are evaluated, as well as the effects on performance of the nodal transmission scheduling rate, the propagation delay among nodes, and to some extent the input flow control. In this study, we consider networks in which both the topology and the traffic pattern are symmetric. This renders all nodes in the network statistically identical, and thus helps reduce the complexity of the simulation task considerably without jeopardizing the objective. The performance of CSMA in such networks is shown to be rather poor as compared with its performance in fully connected networks, while relatively high performance is achieved by the CASMA scheme, as compared with CSMA and the ALOHA schemes. (RH).
Performance Analysis Of Multi Channel And Multi Traffic On Wireless Communication Networks
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Author : Wuyi Yue
language : en
Publisher: Springer Science & Business Media
Release Date : 2002-02-28
Performance Analysis Of Multi Channel And Multi Traffic On Wireless Communication Networks written by Wuyi Yue and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-02-28 with Computers categories.
This book attempts to present exact and approximate analytical solution methods and techniques using queueing theory in the complex multimedia traffic systems with procedures of random multiple access schemes. In particular, this book presents how to approximate the system performance of discrete-time multimedia networks, the probability distribution of the interarrival time of internetwork packets at the adjacent network and the higher moments of the transmission departure distribution and delay in wireless multimedia communication environment. In general the modeling of discrete-time multimedia communication systems are more complex than that of continuous-time systems because multiple state changes can occur from one time-unit to the next. This complicates the analysis of the model. This book also discusses numerical results that illustrate the applications of the theory and various properties.
Performance Analysis Of Multi Channel And Multi Traffic On Wireless Communication Networks
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Author : Wuyi Yue
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-05-08
Performance Analysis Of Multi Channel And Multi Traffic On Wireless Communication Networks written by Wuyi Yue and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-05-08 with Computers categories.
With the rapidly increasing penetration of laptop computers and mobile phones, which are primarily used by mobile users to access Internet s- vices like e-mail and World Wide Web (WWW) access, support of Internet services in a mobile environment is an emerging requirement. Wireless n- works have been used for communication among fully distributed users in a multimedia environment that has the needs to provide real-time bursty traffic (such as voice or video) and data traffic with excellent reliability and service quality. To satisfy the huge wireless multimedia service demand and improve the system performance, efficient channel access methods and analytical methods must be provided. In this way very accurate models, that faithfully reproduce the stochastic behavior of multimedia wireless communication and computer networks, can be constructed. Most of these system models are discrete-time queueing systems. Queueing networks and Markov chains are commonly used for the p- formance and reliability evaluation of computer, communication, and m- ufacturing systems. Although there are quite a few books on the individual topics of queueing networks and Markov chains, we have found none that covers the topics of discrete-time and continuous-time multichannel mul- traffic queueing networks. On the other hand, the design and development of multichannel mul- hop network systems and interconnected network systems or integrated n- works of multimedia traffic require not only such average performance m- sures as the throughput or packet delay but also higher moments of traffic departures and transmission delay.
On The Performance Analysis And Media Access Of Distributed Mobile Multi Hop Packet Radio Networks
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Author : Lawrence Charles Pond
language : en
Publisher:
Release Date : 1989
On The Performance Analysis And Media Access Of Distributed Mobile Multi Hop Packet Radio Networks written by Lawrence Charles Pond and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.
Masters Theses In The Pure And Applied Sciences
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Author : Wade H. Shafer
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Masters Theses In The Pure And Applied Sciences written by Wade H. Shafer and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1 957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 32 (thesis year 1987) a total of 12,483 theses titles from 22 Canadian and 176 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 32 reports theses submitted in 1987, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Architectures And Performance Of Multichannel Multihop Packet Radio Networks
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Author : Nachum Shacham
language : en
Publisher:
Release Date : 1986
Architectures And Performance Of Multichannel Multihop Packet Radio Networks written by Nachum Shacham and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Packet radio networks that employ several parallel multiple-access channels are considered. An architecture for such a network dictates the selection of channels for packet transmission. We propose and analyze two multichannel architectures. In the first, each node employs a single radio and is assigned a channel on which it listens when it does not transmit. To transmit a packet, the node tunes its radio to the channel of the intended receiver for that transmission only. The second architecture requires each radio to use a single channel for both transmission and reception, but provides some of the nodes with more than one radio each, allowing them to serve as bridges between channels. Within these architectures one can further select the amount of routing information held by each node and the channel-access protocol, both of which greatly affect the network performance. To ascertain the effect of the various parameters, we calculate the throughput and average packet progress in both architectures. The channel access protocols we consider are slotted ALOHA and CSMA with and without capture. We also evaluate the effect of increasing the amount of routing information held be the nodes.
Performance Evaluation Of Frequency Hopped Spread Spectrum Multi Hop Networks
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Author : J. W. Gluck
language : en
Publisher:
Release Date : 1988
Performance Evaluation Of Frequency Hopped Spread Spectrum Multi Hop Networks written by J. W. Gluck and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.
Primary and secondary multiple-access interference processes are characterized for multi-hop packet radio networks, in which users are assumed to be Poisson-distributed in the plane and to use frequency hopped spread-spectrum signaling with a receiver-oriented assignment of frequency-hopping patterns. The throughput per node and the average forward progress are then evaluated for frequency-hopped multi-hop networks that employ (i) random forward routing with fixed transmission radius (RFR) and(ii) most forward progress routing with fixed transmission radius (MFR). The optimal average number of neighbors and transmission radius are derived for these cases when Reed-Solomon forward-error-control coding with minimum distance decoding or binary convolutional coding with Viterbi decoding is employed.
Capacity Analysis Of Multihop Packet Radio Networks Under A General Class Of Channel Access Protocols And Capture Models
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Author : Jose M. Brazio
language : en
Publisher:
Release Date : 1987
Capacity Analysis Of Multihop Packet Radio Networks Under A General Class Of Channel Access Protocols And Capture Models written by Jose M. Brazio and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
A packet radio network is a collection of geographically distributed packet radio units communicating over a shared broadcast channel. Usually not all radio units are within hearing range of each other, and thus multihop operation is required. These networks represent the natural extension of point-to-point packet-switched data networks when mobile operation is desired. An important difference exists, however, with respect to the latter: due to the multiaccess nature of the radio channel, the success of a packet at a destination depends on the activity, during the transmission of the packet, of the neighbors of the destination, and on system parameters such as the type of signaling and received power levels. The conditions under which a packet is successfully received in the presence of interfering packets are designated as the capture mode. Due to the existence of multiuser interference, some form of coordination among the users is required when accessing the channel. This purpose is accomplished by the channel access protocol. (RRH).
Performance Evaluation Of Multihop Packet Radio Networks By Simulation
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Author : David Hilton Shur
language : en
Publisher:
Release Date : 1986
Performance Evaluation Of Multihop Packet Radio Networks By Simulation written by David Hilton Shur and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Packet switched networks provide an efficient and flexible method for interconnecting geographically distributed users for the purpose of digital data transmission. In packet radio networks, nodes transmit packets over multiple-access broadcast radio channels instead of wire, cable or fiber optics links. If the destination node of a packet is not within the power range of its source node, intermediate nodes are needed to deliver the packet in a store-and-forward fashion. Therefore, multihop packet radio networks have both the multiple-access feature typical of broadcast networks and the store-and-forward feature of point-to-point networks. Since only under restrictive assumptions is performance analysis tractable, simulation techniques must be used. (jes).