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QoS multicast routing protocol in hierarchical wireless MANET

查看全文 作　　者：LI LaYuan LI [1]ChunLin 高影响力作者 机构地区：[1]Department of Computer Science, Wuhan University of Technology, Wuhan 430063, China高影响力机构 出　　处：《Science in China(Series F)》索引2008年第51卷第2期,共17页高影响力期刊 基　　金：Supported by the National Natural Science Foundation of China(Grant Nos.60672137,60773211 and 60402028);the Specialized Research Fund for the Doctoral Program of Higher Education of China(Grant No.20060497015);the Key Project of Hubei Province(Grant No.2007AA101C63) 摘　　要：A wireless MANET is a self-configurable network in which mobile,battery-powered devices dynamically create and change the network topology without relying on any intrastructure or administrative support.It offers unique benefits for certain environments, but there are still several open issues to be resolved before realizing these benefits,including QoS routing,multicasting,and mobility management. Specifically,an efficient QoS multicast routing protocol is needed.This paper pre- sents a hierarchical QoS multicast routing protocol(QMRP)for mobile ad hoc networks.It can provide QoS-sensitive routes in a scalable and flexible way,in the network environment with mobility.In the proposed QMRP scheme,each local node only needs to maintain local multicast routing information and/or summary infor- mation of other clusters(or domains)but does not require any global ad hoc net- work states to be maintained.The QMRP also allows any ad hoc group member to join/leave the multicast group dynamically and supports multiple QoS constraints. This paper presents formal description and main procedures for realizing routing decision process of the QMRP and the proof of correctness and complexity analy- sis of the protocol.The performance measures of QMRP are evaluated using simulation.The simulation results verify the efficiency and availability of QMRP. 关 键 词：无线AD HOC网络 QOS路由选择 多播方式
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