MBQR:Ad Hoc网络中基于多点中继的QoS路由  

MBQR:MPR-based QoS Routing for Ad Hoc Network

作　　者：张幸[1] 洪佩琳[1] 卢汉成[1] 黄景博[1] 

机构地区：[1]中国科学技术大学电子工程与信息科学系,安徽合肥230027

出　　处：《小型微型计算机系统》2008年第2期226-231,共6页Journal of Chinese Computer Systems

摘　　要：基于泛洪方式的QoS路由存在浪费网络资源和不能有效地指导路由搜索两个主要问题,文章基于多点中继(MPR)的思想,提出了一种改进的路由协议—MBQR协议.MBQR节点提前收集局部拓扑信息,并通过某种策略选择节点的多点中继节点集.当应用有数据要发送时,利用这些中继节点引导路由搜索,从而快速地找到符合需求的较优路径,并且降低网络开销.仿真结果表明MBQR协议在网络规模较大、网络动态性适中的环境中,减少了路由建立时延和泛洪消息数目并且提高了路由协议的适应性.QoS routing protocols using flooding have two major problems, those are wasting network resources and not guiding route searching efficiently. The authors proposed a routing protocol named MBQR based on the MultiPoint Replaying（MPR） idea. MBQR nodes collect local topology information proactively and utilize some strategy to choose their MPR sets. When applications have packets to transmit, MPR sets are used to forward the routing information, in order to find a appropriate routing path quickly and to reduce costs. The simulation results showed that in big-scale and middle-dynamic environments the MBQR protocol reduced route searching latency and the number of flooding messages, it also improved the routing protocol＇s adaptability.

关 键 词：移动AD Hoe网络(MANET) QOS路由 多点中继(MPR) 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]