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Published in:
2015 | OriginalPaper | Chapter
Cluster Oriented ID Based Multi-signature Scheme for Traffic Congestion Warning in Vehicular Ad Hoc Networks
Authors : Bevish Jinila, Komathy
Published in: Emerging ICT for Bridging the Future - Proceedings of the 49th Annual Convention of the Computer Society of India CSI Volume 2
Publisher: Springer International Publishing
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To report safety messages like traffic congestion warning in a Vehicular Ad hoc Network (VANET) vehicles communicate with each other and with the fixed Road Side Units (RSU). To ensure the messages communicated are true, message authentication plays a vital role. Since the number of incoming messages received by the RSU grows exponentially with time, delay in authentication increases. Existing batch and priority based verification schemes addresses issues like re-verification when there is a single false message. This leads to delay in authentication. In this paper, a cluster oriented ID based multi-signature scheme is proposed to overcome the delay in authentication. In this scheme, the network is clustered and each cluster holds a cluster head which is responsible for generating a multi-signature. Experimental analysis shows that this scheme incurs less delay in authentication, communication overhead and loss ratio when compared to existing approaches.