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Physical Layer Authentication Based on DOA and Rotational State | IEEE Conference Publication | IEEE Xplore

Physical Layer Authentication Based on DOA and Rotational State


Abstract:

This paper studies the physical layer security for the downlink of cellular networks. Specifically, a user equipment (UE) should identify whether the received signals is ...Show More

Abstract:

This paper studies the physical layer security for the downlink of cellular networks. Specifically, a user equipment (UE) should identify whether the received signals is from a legal base station (BS) or a rogue BS. Toward this end, a new physical layer authentication (PLA) scheme is proposed using the inherent and unique characteristics of direction of arrival (DOA) of the received signal. Under a simple hypothesis test, the DOA and rotational state features of the end device are used in designing the decision metric. The probability of false alarm and detection are analyzed based on the developed decision metric and their closed-form expressions are derived, based on which the optimal threshold can be obtained. Simulation results show that compared with the existing method in the literature, the proposed scheme outperforms significantly in terms of detection accuracy.
Date of Conference: 01-03 November 2022
Date Added to IEEE Xplore: 15 February 2023
ISBN Information:
Conference Location: Nanjing, China

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