Abstract: This paper uses the simulation soft tool NS-2 and chooses the packet delivery fraction, average end-to-end delay, normalized routing overhead, route discovery frequency to evaluate the performance of the Ad Hoc on-demand distance vector(AODV) and Ad Hoc on-demand multipath distance vector routing(AOMDV). The effects of these parameters on the performance are analyzed and compared by changing the CBR connection numbers and the pause time of the nodes. The research indicates that the AOMDV mulitipath protocol has better performance. The improvement on AOMDV is also proposed.

Key words: Ad Hoc network, Ad Hoc on-demand distance vector(AODV), Ad Hoc on-demand multipath distance vector routing(AOMDV), NS-2

摘要： 使用NS-2仿真软件，选取分组投递率、端到端的平均时延、归一化的路由开销和路由发现频率4个指标对AODV和AOMDV路由协议进行了性能仿真，通过改变业务源连接数目、节点的暂停时间分析比较这些参数对2个协议性能的影响，研究结果表明了AOMDV多径协议的优越性。并提出了对AOMDV协议的改进。

关键词: Ad Hoc网络, AODV, AOMDV, NS-2

CLC Number: 

• TP393