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InfoResearchPeer-reviewed
Synergistic Authentication in Beam Alignment for Secure mmWave Communications
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Summary
This paper proposes two hybrid physical-layer authentication schemes for mmWave MIMO beam alignment, a linear weighted combination scheme and a two-threshold combined scheme. They jointly use antenna array mutual coupling and angle of arrival to defend against impersonation attacks. The authors derive detection and false alarm expressions, optimize feature weights under a false alarm constraint, and validate the designs by simulation.