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Performance of RIS-aided Media-Based Modulation with Imperfect CSI and Phase Tuning Errors

Saini, S and Chockalingam, A (2023) Performance of RIS-aided Media-Based Modulation with Imperfect CSI and Phase Tuning Errors. In: 34th IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2023, 5 - 8 September 2023, Toronto.

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Official URL: https://doi.org/10.1109/PIMRC56721.2023.10294021

Abstract

Reconfigurable intelligent surface (RIS) technology uses electronically tunable surfaces in the far field of the transmit antenna for the purpose of beamforming towards receiver of interest. Media-based modulation (MBM) uses such surfaces in the near field of the transmit antenna for the purpose of modulation. RIS-aided MBM offers improved communication performance at low radio-frequency (RF) hardware complexity, combining the good attributes of both RIS and MBM. In this paper, we analyze the performance of RIS-aided MBM in the presence of imperfect channel state information (CSI) at the receiver and phase tuning errors at the RIS. We derive expressions for pairwise error probability and bit error probability for RIS-aided MBM with imperfect CSI and phase tuning errors. Bit error rate performance results obtained through analysis and simulations are presented. Results show improved bit error performance for increased number of RIS elements. © 2023 IEEE.

Item Type: Conference Paper
Publication: IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
Publisher: Institute of Electrical and Electronics Engineers Inc.
Additional Information: The copyright for this article belongs to Institute of Electrical and Electronics Engineers Inc.
Keywords: Antennas; Bit error rate; Channel state information; Interlocking signals; Tuning, Imperfect channel state information; Medium-based modulation; Performance; Phase tuning; Phase tuning error; Reconfigurable; Reconfigurable intelligent surface; Reconfigurable intelligent surface-aided medium-based modulation; Transmit antenna, Errors
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 29 Feb 2024 10:32
Last Modified: 29 Feb 2024 10:32
URI: https://eprints.iisc.ac.in/id/eprint/83807

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