Low-Complexity Signal Detection Algorithm based on PGQSM

doi:10.16182/j.issn1004731x.joss.17-0380

Abstract

Abstract: Pre-coding aided Generalized Quadrature Spatial Modulation (PGQSM) uses the known channel state information to perform pre-coding processing on the in-phase and quadrature signals of the quadrature spatial modulation (QSM), so as to reduce the complexity of the receiver for signal detection. At the same time, an improved Pre-coding aided Generalized Quadrature Spatial Modulation low complexity detection algorithm is proposed to solve the problem of the proposed algorithm’s high complexity at the receiver. The results of analysis and simulation show that the proposed algorithm can achieve almost the same BER performance as the maximum likelihood (ML) algorithm with more than 90% complexity reduction.

Key words: Precoding, generalized quadrature spatial modulation, bit error performance, maximum likelihood

CLC Number:

TN820

Chen Fatang, Yang Kang, Fu Yongli, Li Mengjie. Low-Complexity Signal Detection Algorithm based on PGQSM[J]. Journal of System Simulation, 2019, 31(10): 2078-2084.

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