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Generalized Space Time Block Coded Spatial Modulation for Open-Loop Massive MIMO Downlink Communication Systems

Xiao, Lixia, Chen, Da, Hemadeh, Ibrahim, Xiao, Pei and Jiang, Tao (2020) Generalized Space Time Block Coded Spatial Modulation for Open-Loop Massive MIMO Downlink Communication Systems IEEE Transactions on Communications.

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Abstract

In this paper, we propose a generalized space-time block coded spatial modulation (GSTBC-SM) scheme for openloop massive multiple-input and multiple-output (MIMO) downlink communication systems. Specifically, we firstly partition the information bits into multiple groups with each group modulated by the spatial modulation (SM), where the SM symbols are invoked for orthogonal STBC (OSTBC) and quasi-orthogonal STBC (Q-OSTBC) structures. Then, message passing (MP) and block minimum mean square equalization (B-MMSE) detectors are designed for our GSTBC-SM systems, to achieve near-optimal performance with significantly reduced complexity in massive MIMO configurations. Finally, we derive the theoretical average bit error probability (ABEP) of the proposed scheme. The main contribution is that the propose scheme achieves high transmission rate and diversity gain even with small number of radio frequency (RF) chains at the transmitter. Simulation results verify the theoretical derivations and show that the proposed GSTBCSM scheme provides near 20 dB gain over the conventional GSTBC scheme under massive MIMO configurations. Index Terms—Spatial Modulation (SM), Space Time Block Coding (STBC), High throughput, Diversity gain.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
Xiao, Lixial.xiao@surrey.ac.uk
Chen, Da
Hemadeh, Ibrahim
Xiao, PeiP.Xiao@surrey.ac.uk
Jiang, Taot.jiang@surrey.ac.uk
Date : 22 July 2020
Uncontrolled Keywords : Spatial Modulation (SM; Space Time Block Coding (STBC); High throughput; Diversity gain.
Additional Information : Embargo OK Metadata Pending
Depositing User : James Marshall
Date Deposited : 27 Jul 2020 09:38
Last Modified : 27 Jul 2020 09:38
URI: http://epubs.surrey.ac.uk/id/eprint/858299

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