Precoder Design for Transmitter Preprocessing Aided Spatial Modulated QPSK Systems using One-bit DACs and Quantized Phase Shifters

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Title:	Precoder Design for Transmitter Preprocessing Aided Spatial Modulated QPSK Systems using One-bit DACs and Quantized Phase Shifters
Authors:	Chen, Chi-En;Yang, Hsin-Ching;Lee, Kelvin Kuang-Chi;Huang, Yuan-Hao
Keywords:	Multiple-input-multiple-output (MIMO);spatial modulation (SM);digital-to-analog converter (DAC);precoder;one-bit quantization;preprocessing-aided spatial modulation(PSM)
Date:	2020-05-25
Issue Date:	2020-07-07 12:10:33 (UTC+8)
Abstract:	In this paper we investigate the precoder design problem of a preprocessing-aided spatial modulation multiple-input-multiple-output (PSM-MIMO) system with quadrature-phase-shift-keying (QPSK) signaling that facilitates hardware implementation using one-bit digital-to-analog-converters (DACs) and quantized phase shifters. We formulate the new design problem and propose an efficient algorithm based on a combination of alternating minimization method and mathematical programming with equilibrium constraints (MPECs). The bit-error-rate (BER) performance of the proposed one-bit precoder in comparison to a number of benchmark PSM-MIMO precoders is quantified via numerical simulations.
Relation:	2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring)
DOI:	10.1109/VTC2020-Spring48590.2020.9129416
Appears in Collections:	[Graduate Institute & Department of Electrical Engineering] Proceeding

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