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Talk · IEEE Vehicular Technology Conference · June 1, 2022

Enhancing Physical Layer Security in Large Intelligent Surface-aided Cooperative Networks

Madi Makin, Sultangali Arzykulov, Abdulkadir Çelik, Ahmed M. Eltawil, Galymzhan Nauryzbayev

Galymzhan Nauryzbayev
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Abstract

Intelligent surfaces have recently been presented as a revolutionary technique and recognized as one of the candidates for beyond fifth-generation wireless networks. This paper investigates the physical layer security of a large intelligent surface (LIS) aided wireless system over Nakagami-m channels. We propose a phase-based adaptive modulation scheme, where LIS’s phase-shift optimization process is effectively utilized to enhance the system’s security. Moreover, the effect of the Nakagami-m fading parameter (m), correlation parameter ($\rho$), and a number of passive LIS elements (M) on the system performance are examined. The significant improvement in confidentiality is shown while evaluating the bit error rate performance of the proposed scheme.

Advanced Wireless Communication TechnologiesWireless Communication Security TechniquesAdvanced Antenna and Metasurface Technologiesphysical layer securitylarge intelligent surfacescooperative networks

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