Secrecy Performance Analysis of RIS-aided Communication System with Randomly Flying Eavesdroppers

Wei, Lai, Wang, Kezhi, Pan, Cunhua and Elkashlan, Maged (2022) Secrecy Performance Analysis of RIS-aided Communication System with Randomly Flying Eavesdroppers. IEEE Wireless Communications Letters, 11 (10). pp. 2240-2244. ISSN 2162-2337

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In this letter, we analyze the secrecy performance of a reconfigurable intelligent surface (RIS)-aided communication system with spatially random unmanned aerial vehicles (UAVs) acting as eavesdroppers. We consider the scenarios where the base station (BS) is equipped with single and multiple antennas. The signal-to-noise ratios (SNRs) of the legitimate user and the eavesdroppers are derived analytically and approximated through a computationally effective method. The ergodic secrecy capacity is approximated and derived in closed-form expressions. Simulation results validate the accuracy of the analytical and approximate expressions and show the security-enhanced effect of the deployment of the RIS.

Item Type: Article
Additional Information: Funding information: 10.13039/501100004543-China Scholarship Council.
Uncontrolled Keywords: Antennas, Distribution functions, Eavesdropping, Fading channels, Physical layer security, Poisson point process, Random variables, Signal to noise ratio, Wireless communication, reconfigurable intelligent surface, unmanned aerial vehicles
Subjects: G400 Computer Science
H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Computer and Information Sciences
Depositing User: Rachel Branson
Date Deposited: 26 Sep 2022 10:15
Last Modified: 03 Nov 2022 09:46

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