Message Sending Time in Vehicular Ad Hoc Networks
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VANETs have fast-moving wireless nodes.The changing network density shows a concertina effect.The dynamic topology of VANET needs to be taken in to account when two vehicles meet by chance and communicate with the network.In this paper,we use SUMO and ONE to simulate the changing density of VANET and carry out some experiments using different parameters.We also analyze the effect of network density on sending time.