John S. Baras


Multicarrier Authentication at the Physical Layer

P. L. Yu, J. S. Baras and B. M. Sadler

Proceedings of the IEEE Workshop on Security and Privacy in Wireless Networks (IEEE SPAWN 2008), pp. 1-6, Newport Beach, CA, June 23-27, 2008.

Full Text Paper ( .Pdf )



Authentication is the process where claims of identity are verified. Though authentication mechanisms typically exist above the physical layer, physical layer methods have recently been introduced that do not require extra bandwidth. In this paper we propose a multi-carrier extension to the work and consider the stealth and robustness tradeoffs. We conclude by discussing the power-reliability tradeoff and the applicability to cross-layer security.

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