A Traffic-Flow-Phase Adaptive Routing Algorithm for VANETs

Vehicular ad-hoc Networks (VANETs) has become a hot topic in recent years, where the routing protocol has also become research focus. The vast majority of the existing routing protocols are designed for a single scenario, thus it is difficult for them to be extended for the complicated traffic environment. In this paper we propose a new routing algorithm X-CAST for vehicular communication on highway, which can be adaptive to different phases of traffic flow and guarantee reliable transmission in different environments. The experimental results reveal that X-CAST performs much better than other traditional routing protocols in complex traffic flow situation.

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