Research on Properties of Nodes Distribution on Internet of Vehicles
In the environment of vehicle network, due to the high-speed movement of vehicle nodes, the network topology of vehicle nodes will change frequently, and the network between vehicles will be continuously connected and disconnected. All these factors lead to the instability of the whole network and cause a great impact on the network routing performance. Based on the large-scale dataset of TAPASCologne, this paper studies the node distribution characteristics in the complex form of vehicle network by simulation experiments, including: the influence of node mobility model on the vehicle node distribution characteristics, the long tail effect of node degree distribution in the network, as well as the sparseness and density of node distribution in the urban road network. These experimental results of the node distribution characteristics will be helpful for the design of routing protocol.
KeywordsVehicle network Node distribution characteristics TAPASCologne dataset Long tail effect
This work was supported in part by NSFC under Grants 61472284, and the Natural Science Foundation of Shanghai under Grants 17ZR1445900.
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