Physical Layer Security with MIMO-Generalized Space Shift Keying Modulation Technique in Li-Fi Systems;

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2024

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Institute of Electrical and Electronics Engineers Inc.

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Abstract

In this study, a physical layer security algorithm based on generalized space shift keying modulation for visible light communication systems has been developed. Initially, the algorithm selects the most suitable index combinations for ideally activating the photodiodes in the receiver through a designed linear encoder, thereby enhancing error correction capabilities. Subsequently, a customized precoding matrix is developed using this index information and the channel state information to provide an optimum bit error rate for the legitimate receiver, Bob. This approach also degrades the bit error performance of the illegitimate receiver, Eve, thus ensuring high-level security at the physical layer in Li-Fi systems. Experiments conducted with Monte-Carlo simulations demonstrate the effectiveness of this methodology for scenarios requiring secure communication. © 2024 IEEE.

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Berdan Civata B.C.; et al.; Figes; Koluman; Loodos; Tarsus University

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generalized space shift keying, MIMO, physical layer security, visible light communication

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32nd IEEE Conference on Signal Processing and Communications Applications, SIU 2024 - Proceedings -- 32nd IEEE Conference on Signal Processing and Communications Applications, SIU 2024 -- 15 May 2024 through 18 May 2024 -- Mersin -- 201235

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