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Power Allocation-Aided Enhanced SM-OFDM: Closed-form Solutions and Experimental Results

Jiang, K and Yang, Ping and Liu, Zilong and Guan, Yong Liang and Renzo, MD (2022) 'Power Allocation-Aided Enhanced SM-OFDM: Closed-form Solutions and Experimental Results.' IEEE Transactions on Vehicular Technology, 71 (2). pp. 2146-2151. ISSN 0018-9545

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Abstract

This paper aims to improve the error rate performance of the enhanced spatial modulation based orthogonal frequency division multiplexing (ESM-OFDM) system by jointly optimizing the signal constellation and the antenna power allocation (PA). We derive a closed-form expression for the optimal PA of the ESM-OFDM scheme for some practical antenna setups and then implement and verify the system by using an Universal Software Radio Peripheral (USRP) platform. Monte Carlo simulations and experimental results show the superiority of the derived optimal PA over the equal-gain case.

Item Type: Article
Uncontrolled Keywords: OFDM; Modulation; Receiving antennas; Constellation diagram; Bit error rate; Transmitting antennas; Resource management; Enhanced spatial modulation (ESM); MIMO-OFDM; power allocation (PA); index modulation
Divisions: Faculty of Science and Health
Faculty of Science and Health > Computer Science and Electronic Engineering, School of
SWORD Depositor: Elements
Depositing User: Elements
Date Deposited: 01 Jun 2022 12:54
Last Modified: 23 Sep 2022 19:47
URI: http://repository.essex.ac.uk/id/eprint/31241

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