Author: Yangwei WangPublisher:
ISBN:
Category :
Languages : en
Pages : 246
Book Description
Performance Evaluation of Packet Radio Networks
Author: Yangwei WangPerformance Evaluation of Multihop Packet Radio Networks by Simulation
Author: David Hilton ShurPublisher:
ISBN:
Category :
Languages : en
Pages : 400
Book Description
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).
Performance Evaluation of Channel Acces Schemes in Multishop Packet Radio Networks with Regular Structure by Simulation
Author: Stanford University. Computer Systems LaboratoryPublisher:
ISBN:
Category :
Languages : en
Pages : 68
Book Description
Performance Evaluation of Channel Access Schemes in Multihop Packet Radio Networks with Regular Structure by Simulation
Author: Fouad A. TobagiPublisher:
ISBN:
Category : Computer networks
Languages : en
Pages : 72
Book Description
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
Author: Wuyi YuePublisher: Springer Science & Business Media
ISBN: 0306473119
Category : Computers
Languages : en
Pages : 335
Book Description
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.
Performance Analysis of Mobile Packet Radio Networks
Author: Rong-Feng ChangPerformance Evaluation of Multi-access Strategies for an Integrated Voice/data CDMA Packet Radio Network
Author: Mohsen SoroushnejadPublisher:
ISBN:
Category : Electronic data processing
Languages : en
Pages : 0
Book Description
Performance Analysis and Optimal Routing in Packet Radio Networks
Author: Hsien-Chuen YuPerformance Evaluation of Multihop Packet Radio Systems
Author: Fouad A. TobagiPublisher:
ISBN:
Category :
Languages : en
Pages : 22
Book Description
This is the final report for the research carried out at the Computer Systems Laboratory under ARO contract number DAAG 27-79-C-0138 during the period from August 6, 1979 to November 5, 1982. The research effort related to packet radio systems and their evaluation. Throughout the contract period, the effort mainly focused on one important aspect underlying these networks, namely the channel access problem.
Modeling and Performance Evaluation of General Packet Radio Service
Author: Renju Saraswathy NarayananPublisher:
ISBN:
Category : Cell phone systems
Languages : en
Pages : 80
Book Description
Keywords. GPRS; cell update; modeling; network simulation; performance evaluation.