Approximate Message Passing Detection for Beam-Index Spatial Modulation in Massive MIMO

被引：1

作者：

Hu, You-Xuan ^{[1
]}

Wu, Jen-Ming ^{[1
]}

机构：

[1] Natl Tsing Hua Univ, Dept Elect Engn, Inst Commun Engn, Hsinchu, Taiwan

来源：

2019 IEEE VTS ASIA PACIFIC WIRELESS COMMUNICATIONS SYMPOSIUM (APWCS 2019) | 2019年

关键词：

Generalized spatial modulation; millimeter wave channel; massive MIMO; beamforming; spatial multiplexing; COMPLEXITY;

D O I：

10.1109/vts-apwcs.2019.8851627

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

In this paper, we study the approximate message passing (AMP) detection approach for beam indexed spatial modulation (BISM) in mmWave massive MIMO system. The spatial modulation (SM) technologies provide flexibility in adjusting the system parameters to achieve spectral efficiency or energy efficiency. This paper presents a BISM scheme based on the concept of SM and beamforming technologies. The AMP detection is studied for BISM with the symbol vector composed of modulation symbols and null symbols. Our results show that BISM has better BER performance than MIMO-BF, and the AMP detection is feasible to detect BISM signal. We provide a decision rule for BISM to choose the most suitable detection methods at different situations.

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