低复杂度空间调制MPSK信号的最优检测

doi:10.11959/j.issn.1000-436x.2015120

Abstract

Abstract:

The low-complexity optimal SM detection algorithm for MQAM signal detection had been proposed,but no similar method was found for MPSK signal.The problem of low-complexity detection for MPSK signal was considered in SM systems.Utilizing 2-D vector quantization of ML demodulation and the property of MPSK constellation,a low-complexity optimal detection which is independent to modulation order was developed.Since the approach avoids the exhaustive searching on signal constellation space,the computational complexity can be significantly reduced.The proposed detection algorithm can provide the identical performance with ML-optimum detector and has lower computational complexity.Therefore,it has both theoretical and practical significance.The proposed algorithm is of great significance in the large antenna and green communication technology.

Key words: spatial modulation, MPSK modulation, ML decoding, computational complexity

Hong-zhi MEN,Ming-lu JIN. Low-complexity optimal MPSK detection for spatial modulation[J]. Journal on Communications, 2015, 36(8): 118-124.

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References 13

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Low-complexity optimal MPSK detection for spatial modulation

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