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基于RED的AODV路由协议改进 被引量:3

Improved AODV Routing Protocol Based on RED
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摘要 基于当前使用非常广泛的随机早期检测(RED)拥塞控制机制,提出了一种改进方案:在AODV的路由发现阶段,根据当前平均队列长度来确定以不同的方式响应路由请求,从而使建立起来的路由比较可靠,使数据流可以绕过负担比较重的节点,实现一定程度的拥塞控制和流量均衡,最后对改进前后的协议进行了性能仿真和分析。结果表明,改进后的协议与原协议相比在复杂度没有明显增加的前提下,降低了平均延时和丢包率,提高了网络性能。 Based on a widely used congestion control mechanism Random Early Detection (RED), a method was proposed to improve the AODV routing protocol: during the route found period, an intermedi- ate node behaved in different ways according to its average queue length when received a RREQ. There- by, the new route was more stable and data flow would bypass heavy-burden-nodes, which realized con- gestion control and flow balance to some extent. Finally, made an analysis and simulation to the protocol improved fore-and-aft, the result imitate that the optimized protocol didnt increase the complexity appar- ently when reduced the end-to-end delay and packet-loss-rate, and thereby improved the performance of networks.
出处 《南京邮电大学学报(自然科学版)》 2009年第1期38-42,共5页 Journal of Nanjing University of Posts and Telecommunications:Natural Science Edition
基金 国家高技术研究发展计划(863计划)(2007AA701302) 江苏省高技术研究计划(BG2005037)资助项目
关键词 AD HOC网络 AODV 随机早期检测 Ad hoc network AODV RED
作者简介 通讯作者:张登银电话:(025)85866910E-mail:zhangdy@njupt.edu.cn张登银(1964-),男,江苏靖江人。南京邮电大学信号处理与传输研究院研究员,博士。研究方向为信号与信息处理、IP网络技术和信息安全。 张保峰(1983-),男,河南郑州人。南京邮电大学计算机应用技术专业硕士研究生。研究方向为计算机通信及其仿真。
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参考文献9

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二级参考文献5

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共引文献9

同被引文献23

  • 1陈玲,王华.移动Adhoc网络路由协议的研究——一种基于AODV路由协议的改进算法[J].微计算机信息,2006,22(03X):167-169. 被引量:16
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  • 9Klemm F,Krishnamurthy V,Tripathi K.Improving TCP performance in ad hoc networks using signal strength based link management[J].Ad hoc Networks,2005,2(3):175-191.
  • 10Chen Ching-wen,Weng Chuan-chi,Kuo Yu-chen.Signal strength based routing for power saving in mobile ad hoc networks[J].Journal of Systems and Software,2010,8(83):1373-1386.

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