在Ad Hoc网络中，节点随意快速的移动通常会造成网络拓扑结构的剧烈变化，可能导致传输链路断裂和路径的不稳定。针对这种情况，在分析现有MAODV路由改进技术的基础上，提出了一种改进的、基于路径稳定性的路由协议（RS⁃MAODV）。新协议与MAODV不同的地方在于：考虑构成路径的链路间的相关性，选择最稳定的路由进行数据传输，以此改善网络性能。利用NS2仿真工具对改进前后网络的丢包率及端到端延迟参数做比较，实验数据表明，改进后协议的网络丢包率及端到端延迟均得到改善。%In Ad Hoc networks,random movement of nodes usually causes severe changes of network topology,which may possibly result in breakage of transmission links and instability of routing path. In view of this situation,based on the analysis of existing MAODV routing improvement technology,an improved routing protocol named RS⁃MAODV is put forward. The diffe⁃rence between the new protocol and MAODV lies in that the new routing protocol chooses path with highest stability for data transmission to improve the network performance while considering the correlation between links. The simulation tool NS2 is used to compare the packet loss rate and end⁃to⁃end delay parameters before and after improvement. The experiment results that the packet loss rate and end⁃to⁃end delay of the improved protocol are better than before.
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