MANET中一种新的基于节点位置的按需路由算法  

A New On-demand Aouting Algorithm Based on Nodes Locations for MANET

作　　者：娄敏[1,2] 刘宏立[1] 杨晓宗 

机构地区：[1]湖南大学电气与信息工程学院,湖南长沙410082 [2]株洲职业技术学院,湖南株洲412000 [3]中国移动通信株洲分公司,湖南株洲412007

出　　处：《通信技术》2008年第12期164-167,共4页Communications Technology

摘　　要：移动Adhoc网络(MANET)是一种由无线移动主机/节点组成的动态自治网络。在MANET中进行有带宽保证的按需路由选择具有重要意义。本文提出一种新的按需路由算法LABGR(LocationAidedBandwidthGuaranteedRouting)。LABGR以节点当前位置信息为基础,在路由选择过程中把路径稳定性和节点能量受限问题结合起来,采用受限扩散路由方法,利用多种机制避免在全网中进行扩散,限制路由请求过程中被影响的节点数目,有效提高了路由请求效率并且保证了链路带宽。本文还对LABGR算法特性进行了深入分析。Mobile Ad-Hoc network （MANET） is a dynamic and autonomous network composed of wireless mobile hosts or nodes. It is significant to implement an on-demand routing protocol with bandwidth assurance in MANET. This paper presents a new on-demand routing algorithm LABGR （Location-aided bandwidth guaranteed routing）, which is based on physical locations of the nodes. The algorithm integrates the route stability and nodes＇ limited energy, and by using constrained diffusing routing, utilizes multiple mechanisms to avoid flooding in whole network and limits the number of nodes affected during routing request. Thus, the algorithm efficiently increases the efficiency of routing request and guarantees the bandwidth of links. Finally, the paper analyzes the characteristics of LABGR.

关 键 词：移动AD-HOC网络 按需路由 QOS 

分 类 号：TN91[电子电信—通信与信息系统]