基于近似信息传递算法的大规模MIMO信号检测

doi:10.11959/j.issn.1000-0801.2016218

Abstract

Abstract:

Massive multiple-input multiple-output(MIMO)brings huge improvements in energy efficiency and reduces emission power by using a large number of antennas,which is known as a key technology in the fifth generation (5G)mobile communication.With the increasing number of antennas,the complexity of signal detection is increasing at the same time.According to the research status of massive MIMO signal detection,approximate message passing algorithm was proposed.The complexity of AMP was compared to some iteration algorithm like Richarson algorithm and Neumann series approximation algorithm.The results indicate that the proposed algorithm can use less iteration to achieve almost the same performance of MMSE algorithm.

Key words: massiveMIMO, signaldetection, approximatemessagepassingalgorithm, MMSE, errorbitrate

Chuang QIN,Ziwei ZHENG,Daping LOU,Xianzu FU. Massive MIMO signal detection based on approximate message passing algorithm[J]. Telecommunications Science, 2016, 32(9): 16-21.

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MMSE	迭代次数	Neumann级数近似方法	Richardson方法	本文提出的AMP方法
O(M³)	i=2	8M²-4M	8M²+4M	18MN+16MK+8N+4M
	i=3	8M³+16M²-10M	12M²+6M	27MN+24MK+12N+6M
	i=4	16M³-4M²+4M	16M²+8M	36MN+32MK+16N+8M
	i=5	24M³-16M²+6M	20M²+10M	45MN+40MK+20N+10M

Massive MIMO signal detection based on approximate message passing algorithm

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