Abstract
Vehicular ad hoc network performs crucial functions in road safety, detection of traffic accidents and reduction of traffic congestions by allowing vehicles on roads to disseminate messages. Efficient message dissemination among authentic vehicles in vehicular ad hoc network is proposed in the present work. Each vehicle generates beacon message periodically and broadcasts it for neighbors. The emergency (warning) messages are generated by a vehicle after the occurrence of an emergency (warning) event within its coverage area. A vehicle transmits emergency (warning) message for its neighbors and receives emergency (warning) message from its neighbors in multiplexed form to utilize the available bandwidth efficiently and to reduce network congestion. The performance of the proposed scheme is evaluated qualitatively and quantitatively. It outperforms the existing schemes.
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