Abstract
A Vehicular Ad Hoc network (VANET) is a temporary autonomous communication system that consists of a group of vehicles which can routing and forwarding packets, in which there are no central vehicles or fixed communication infrastructures. All the vehicles in the network communicate with each other by two kinds of link, which is cable link and wireless link. We first summarize the research status of routing protocol for VANET, then we analyze the requirements that must be met for the VANET routing protocols in the complicated field environment, such as topology dynamic change, two kinds of link, bandwidth restriction of wireless channel, node mobility pattern, and etc. The connected matrix is used to describe cable and wireless link between vehicles, which is interacted in each round. After the node get connection topology of total network, the link weights is assigned by different kinds of link. Dijkstra algorithm is use to find the shortest paths between source and destination. The simulation result shows that our scheme can improve the efficiency and stability of VANET.
Published Version
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