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动态性是车载自组织网络（VANETs）拓扑结构的重要特征之一，研究拓扑结构的时序特征对VANETs协议开发和网络管理具有重要意义。采用复杂网络理论研究VANETs拓扑结构的时序特性。建立了VANETs时序网络模型- (?, ?)可达图模型，该模型不仅考虑了信息传输时间，而且能够刻画VANETs中信息的存储转发机制。通过仿真实验研究VANETs时序网络的拓扑特征，分析信息传输时间?和最大可容忍延迟时间?与网络的节点出度、非对称性、数据包到达率等时序拓扑参数之间的关系。研究结果表明与瞬时和静态网络模型相比，提出的时序网络模型能更合理的刻画VAENTs中信息传输过程，并且降低信息传输时间?和增大最大可容忍时间?有利于提高整个网络的时序连通性，从而提高数据包传输效率，该结论可为优化VANETs拓扑控制和网络协议开发提供新的指导。
Dynamic is one of the most important features of VANETs topology. Studying the temporal features of topology structure is of great significance to VANETs protocol development and network management. Using Complex Network Theory to Study the Timing Characteristics of VANETs Topology. The VANETs timing network model - (?,?) Reachable graph model is established, which not only considers the information transmission time, but also describes the storage and forwarding mechanism of information in VANETs. Through the simulation experiments, the topological features of VANETs timing network are studied, and the relationship between the information transmission time and the maximum tolerable delay time and the timing topology parameters such as node out degree, asymmetry and data packet arrival rate are analyzed. The results show that compared with the transient and static network models, the proposed time series network model can describe the information transmission process in VAENTs more reasonably, reduce the information transmission time and increase the maximum tolerable time, which is beneficial to improve the timing connectivity of the whole network This improves the efficiency of packet transmission and provides new guidance for optimizing VANETs topology control and network protocol development.