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Performance Analysis of MIMO-OTFS with Selective Decode and Forward Relaying

Bhat, VS and Chockalingam, A (2023) Performance Analysis of MIMO-OTFS with Selective Decode and Forward Relaying. In: UNSPECIFIED, 10 October 2023- 13 October 2023, Bangalore, India.

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


In this paper, we analyze the performance of multiple-input multiple-output orthogonal time frequency space (MIMO-OTFS) modulation with selective decode-and-forward (SDaF) relaying. Communication between the sender and destination nodes happens in two hops using multiple relays out of which some selected relays aid the communication. All the nodes are provided with multiple transmit and multiple receive antennas. We derive closed-form expressions for the end-to-end pairwise error probability and bit error probability upper bounds in MIMO-OTFS with SDaF relaying, and characterize the achieved asymptotic diversity orders. We also investigate the considered system when phase rotation of OTFS frames is performed to improve the diversity performance. Simulation results are shown to validate the analytically predicted diversity results. © 2023 IEEE.

Item Type: Conference Proceedings
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: Bit error rate; Block codes; Errors; MIMO systems; Mobile telecommunication systems; Receiving antennas; Trellis codes, Decode-and-forward relaying; Diversity analysis; Multiple inputs; Multiple outputs; Multiple-input multiple-output orthogonal time frequency space; OTFS modulation; Pairwise error probability; Performances analysis; Selective decode-and-forward relaying; Time-frequency space, Decoding
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 01 Mar 2024 08:54
Last Modified: 01 Mar 2024 08:54
URI: https://eprints.iisc.ac.in/id/eprint/84085

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