Abstract

Recent years have witnessed extensive research in the characteristics of vehicular ad hoc network (VANET) topology. Some papers in the literature use a simple model to generate a VANET topology at a certain time. Different from the existing works, we consider the effect of node addition, node deletion and link loss due to node mobility and keep the network evolving. We employ realistic vehicular traces instead of traffic model or simulator and propose an evolving networking model for VANET. We find that the evolved VANET exhibits a scale-invariant feature under certain conditions. In a word, the network has a power-law degree distribution and a good connectivity and survivability to deliberate node attacks and random node failures. Our work will help establish a strongly connected VANET topology.

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