无人机网络环境下AODV协议的优化  

Optimization of AODV Routing Protocol for UAV Network

作　　者：王顶[1] 赵颐轩[1] 马娟[1] 

机构地区：[1]西北工业大学电子信息学院,西安710129

出　　处：《计算机测量与控制》2013年第6期1580-1583,共4页Computer Measurement &Control

基　　金：航天支撑技术基金资助项目(2009XW080002);西北工大基础研究基金(GBKY1011)

摘　　要：针对Ad hoc网络无线通信的链路不确定性,为了在无人机自组网时避免使用相对移动性很高的节点,路由应答时选取更可靠的路由;提出一种对AODV路由协议的改进算法,该算法充分利用Ad hoc网络节点的移动性信息和可用邻居数,并通过设置阈值判断链路质量来选择可靠的路由;与传统AODV相比,改进后的协议能够发现更稳定的路由,明显降低路径断裂的概率;通过在NS2平台上设置不同的节点移动速度,对Ad hoc新协议进行模拟,仿真结果表明,改进后的协议延时小,丢包率低。Because of the uncertainty of Ad Hoe network wireless communications link, in order to avoid using nodes of high mobility on UAV Ad Hoc network, a more reliable routing should be selected when route replies. This paper discusses an improved algorithm of AODV routing protocol which takes full advantage of mobility and the neighbor number of network nodes, and set the threshold to judge the quality of the link and determine the reliability of routing link. By setting nodes of different speed under NS2 platform for the new protocol simulation, the new protocol can discover more stable routes and reduce the probability of fracture path obviously. Simulation results show that the new protocol can reduces the end--to--end delay and Dack＇et drop rate.

关 键 词：无人机 ADHOC AODV 本地移动性 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]