Security and quality of service (QoS) co-design in vehicular ad hoc networks with cooperative communications

Authors:
F. Richard Yu;Azzedine Boukerche
Affiliations:
Carleton University, Ottawa, ON, Canada;University of Ottawa, Ottawa, ON, Canada
Venue:
Proceedings of the first ACM international symposium on Design and analysis of intelligent vehicular networks and applications
Year:
2011

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Abstract

In vehicular ad hoc networks, non-line-of-sight (NLOS) safety-critical conditions require careful attention. In this paper, we use recent advances in cooperative communication to enhance the performance of VANETs. Although cooperative communication provides significant benefits, it also raises a number of serious security issues as malicious nodes may impersonate and affect the integrity of the communication. In this paper, we propose a prevention-based security technique for cooperative communication taking into consideration authentication protocol, based on hash chains and Merkle trees. Based on this consideration, we derive the closed-form secured throughput equations for proactive relay selection in cooperative communication that provides both hop-by-hop and end-to-end authentication and integrity protection. The simulation results show the effectiveness of the proposed scheme.