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中文摘要：
基于OPNET仿真平台，通过考察节点移动速度、节点移动暂停时间、节点密度和发包间隔对路由协议性能的影响，全面地研究了移动AdHoe网络中典型路由协议的性能。为了公平地对比按需驱动类路由协议和表驱动类路由协议，采用了归一化路由负载作为路由开销的性能指标，最后对3个方面的路由协议性能进行对比和分析。结果表明，仿真结果和理论分析是相符的，因此采用的方法是正确的。
英文摘要：
Based on OPNET simulation platform, this paper has employed a study among representative routing protocols of MANET, which comparatively analyzed the impact of nodes＇ moving speed, nodes＇ moving pause time, nodes＇ density and packet interval on routing protocols＇ performance. Especially, in order to make the comparison of table driven routing proto- col to on-demand driven routing protocols equitably, normalized routing load（NRL） was employed as performance index of routing overhead. Finally, the performance of routing protocols were compared and analyzed. The simulation results accord with the theoretical analysis, and therefore, the proposed method is correct.
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