Abstract
In this paper, we introduce a message physical layer assisted message authentication (PAA) framework under public key infrastructure (PKI) in vehicular communication networks. The proposed framework takes advantage of temporal and spatial uniqueness in physical layer channel responses for each transmission pair, in which a trust between two vehicles can be maintained by comparing the current estimated channel response and the previous estimated channel response. We will show that the proposed message authentication framework can achieve high efficiency and minimal authentication delay without compromising the security requirements, which is further verified through both analysis and simulation.
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Wen, H., Ho, P. & Gong, G. A framework of physical layer technique assisted authentication for vehicular communication networks. Sci. China Inf. Sci. 53, 1996–2004 (2010). https://doi.org/10.1007/s11432-010-4065-y
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DOI: https://doi.org/10.1007/s11432-010-4065-y