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Dynamic analysis of VANET using temporal reachability graph

机译:使用时间可达性图的VANET动态分析

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The topology dynamic is one of the important characteristics of vehicular ad hoc network (VANET). The study of the temporal topology of VANET plays a significant role in network protocol development and management. The temporal model of VANET as temporal reachability graph model is built. This model not only describes the packet transmission time, but also can capture the store-and-forward mechanism in VANET. The relations of the packet transmission time τ and the maximum tolerated delay time δ to the density, global efficiency and link duration are analyzed. The results show that compared to the static network, the temporal network can capture the information transmission process in VANET better, and the decrease of packet transmission time τ or the increase of maximum tolerated delay time δ contributes to the improvement of transmission efficiency of VANET.
机译:拓扑动态性是车载自组织网络(VANET)的重要特征之一。 VANET的时间拓扑的研究在网络协议的开发和管理中起着重要的作用。建立了作为时间可达性图模型的VANET的时间模型。该模型不仅描述了数据包的传输时间,而且可以捕获VANET中的存储转发机制。分析了分组传输时间τ和最大容许延迟时间δ与密度,全局效率和链路持续时间的关系。结果表明,与静态网络相比,时态网络可以更好地捕获VANET中的信息传输过程,减少数据包传输时间τ或增加最大容许延迟时间δ有助于提高VANET的传输效率。

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