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面向单播通信的无线网络编码机制COPE已经引起了越来越多研究者的关注。针对现有网络仿真平台不支持编码模式以及研究COPE机制所基于的试验平台环境难以广泛应用的问题,在网络仿真器NS2的无线模型中引入网络编码层并更改数据包传输流程,提出NS2的网络编码扩展的无线模型以支持对COPE机制的应用、改进以及新的无线单播网络编码机制的仿真研究。在该扩展模型上对COPE机制在ad-hoc网络中的性能进行仿真研究,仿真结果验证了该模型的可行性。
COPE has become the focus of more and more researchers. Aiming at the problem that the existing network simulation platform does not support the coding mode and the experimental platform environment based on the study of the COPE mechanism is difficult to be widely used, the network coding layer is introduced into the wireless model of the network simulator NS2 and the data packet transmission process is changed. Encoding extended wireless models to support the application of COPE mechanisms, improvements, and simulation studies of new wireless unicast network coding schemes. The performance of the COPE mechanism in ad-hoc networks is simulated in this extended model. The simulation results verify the feasibility of this model.