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Orthogonal STBC-MIMO Index Coded PSK Modulation for Prioritized Receivers

Paul, A and Rajan, BS (2023) Orthogonal STBC-MIMO Index Coded PSK Modulation for Prioritized Receivers. In: 98th IEEE Vehicular Technology Conference, VTC 2023-Fall, 10-13 oct 2023, Hong Kong.


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Official URL: https://doi.org/10.1109/VTC2023-Fall60731.2023.103...


Multiple input multiple output (MIMO) scheme which employs Alamouti code with index coded PSK modulation over Rayleigh fading channel has been studied. In this work, for the noisy index coding problem we generalize the MIMO scheme for any space time block codes (STBCs) obtained from orthogonal designs in which the central server transmits symbols over Nt �Nr MIMO Rician fading channel. We show that, for a chosen index code and 2N-PSK signal set at very high SNR, error performance of a receiver is decided by minimum inter-set distance seen by the receiver and for achieving its best ML decoding performance, we must choose the mappings that maximizes minimum inter-set distance. Further for improving the performance of high priority receivers for a chosen index code of length N we are transmitting N bits using a rotated M-PSK (M =2N) constellation. © 2023 IEEE.

Item Type: Conference Paper
Publication: IEEE Vehicular Technology Conference
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: Block codes; Communication channels (information theory); Fading channels; MIMO systems; Rayleigh fading; Signal receivers; Signal to noise ratio; Space time codes; Space-time block coding (STBC), Index coding; Multiple input multiple output; Multiple inputs; Multiple outputs; Noisy index coding; PSK modulation; Set distances; Space time block; Space time block code; Time block codes, Phase shift keying
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 04 Mar 2024 04:53
Last Modified: 04 Mar 2024 04:53
URI: https://eprints.iisc.ac.in/id/eprint/84089

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