Abstract

VANET emerges as a promising approach to provide road safety, vehicle traffic management and some applications like, cooperative scheme for medium access control (MAC), referred as CAH-MAC. Thus the main aim of the paper is neighboring nodes are cooperate by utilizing unreserved time slots, for retransmission of a packets when it failed by poor channel condition. Network life time is accomplished by finding multicast path that tends to minimize the variation energy of all the nodes. So this scheme increase the probability of successful packet transmission using relative mobility and hence to improve the network throughput.

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