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Abstract
Nowadays, vehicular ad hoc network (VANET) has attracted more and more attention due to its various applications to improve the road traffic safety and efficiency. So there were plenty of exploration work and merit on the intervehicle communication, routing, and data forwarding, but it is not easy to design the efficient routing and data forwarding algorithm, because it is hard to understand the dynamic evolution of its network topology due to the fast movement of the vehicles in the network. While the network evolution structure is the key to design the optimal data forwarding strategy, hence, in this paper, we will analyze the dynamic evolution of topology characteristics based on the real data collected by the GPS devices installed on vehicles and then model the network evolution by the dynamic topology characteristics. In the end, we analyze and verify the efficiency of our model by theoretical deductions and simulations, and our model will be helpful to find more efficient routing algorithm and build the more trustable simulator of VANET.
Highlights
Nowadays, traffic problem is becoming more and more urgent to be solved in developed and developing countries
The vehicular ad hoc network (VANET) as one special application of mobile ad hoc network (MANET) can transfer the data among the wireless devices installed on vehicles, so it can be applied to the transportation problem and improve the road traffic safety and efficiency, such as transportation information collection, transportation warning, and on-road information of vehicles [1, 2]
We will analyze the VANET macroscopically based on the complex network and build the model to show the dynamic evolution of VANET, which will become the basis to design the more trustable simulator and more efficient routing algorithm
Summary
Traffic problem is becoming more and more urgent to be solved in developed and developing countries. The vehicular ad hoc network (VANET) as one special application of mobile ad hoc network (MANET) can transfer the data among the wireless devices installed on vehicles, so it can be applied to the transportation problem and improve the road traffic safety and efficiency, such as transportation information collection, transportation warning, and on-road information of vehicles [1, 2]. Intervehicle communication (IVC), as one of the concrete applications of VANET, has attracted more and more research attention from both the academia and industry due to its help to Intelligent Transportation System (ITS). There are many research results on network infrastructure, routing, and MAC protocol, there is lack of the research on the modeling of the dynamic evolution of VANET, which is the goal of this paper.
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