利用NS-2实现Ad Hoc网络仿真平台  

To Realize the Simulate Platform of Ad Hoc Network by Using NS-2

作　　者：洪家军[1] 吴金龙[1] 

机构地区：[1]华侨大学信息科学与工程学院,福建泉州362021

出　　处：《华侨大学学报（自然科学版）》2008年第3期375-378,共4页Journal of Huaqiao University(Natural Science)

基　　金：福建省自然科学基金资助项目(S0750014);福建省莆田学院科研基金资助项目(2006Z004)

摘　　要：利用NS-2构建一个虚拟的Ad Hoc网络环境,使用gawk对仿真过程中产生的Trace文件进行分析,利用Matlab进行数据计算和比较.根据不同路由协议的分组传递率、端到端时延和路由开销3个性能指标,利用仿真的结果分析和比较目的序列距离矢量路由协议(DSDV),动态源路由协议(DSR)和Ad Hoc按需距离矢量路由协议(AODV)3种典型的路由协议.从仿真的结果来看,在分组投递率方面,AODV和DSR的性能要比DSDV好,但从时延和路由开销的角度来看,DSDV的性能要比AODV和DSR的强.A virtual environment of Ad Hoc network by using NS-2 is constructed and the Trace files generated in the course of the simulation by using gawk are analyzed. At the same time, the data are calculated and compared using Matlab. With the support of the 3 performance indicators, packet delivery fraction, end-to-end delay and routing overhead for different routing protocol, the results of simulation help to realize the analysis and comparison of 3 typical Ad hoc routing protocols which are destination-sequenced distance-vector routing （DSDV）, dynamic source routing （DSR） and Ad Hoc on-demand distance vector （AODV）. The simulation results indicate that the performance for AODV and DSR is better than DSDV in the packet delivery fraction, but from the aspect of delay and routing overhead, the performance of DSDV is better than AODV and DSR.

关 键 词：AD HOC网络 路由协议 NS-2 仿真 

分 类 号：TP393.01[自动化与计算机技术—计算机应用技术]