基于联合用户分组及天线选择的大规模MIMO波束成形

doi:10.11959/j.issn.1000-0801.2016194

Abstract

Abstract:

In massive MIMO systems，when the number of users is larger as that of antennas at base station（BS），the various channels may be significantly different.A new zero-forcing beamformer design algorithm was proposed based on joint user grouping and antenna selection for massive MIMO dowlink systems.All users were divided into two groups and then the group of users with a better channel condition was selected to receive signal with selecting an optimal antenna combination for each transmit data stream，in order that RF circuit cost and power consumption could be reduced substantially with a little loss of performance in massive MIMO systems.The simulation results show that the proposed algorithm provides a better trade-off between rate performance and hardware complexity in massive MIMO system.

Key words: massive MIMO, user grouping, antenna selection, zero-forcing beamforming, hardware complexity

Qian WANG,Quan HUA,Yingchao ZHOU,Bin SHEN. Joint user grouping and antenna selection based massive MIMO beamforming[J]. Telecommunications Science, 2016, 32(8): 61-68.

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References 21

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算法	性能	复杂度	引用自参考文献
贪婪迫零脏纸编码用户选择	优	高	[13]
递增用户选择	中	高	[14]
贪婪用户选择	优	高	[14]
删除最小增益递减用户选择	优	中	[15]
半正交脏纸编码用户选择	优	高	[16]
半正交用户选择	中	高	[17]
简单半正交用户选择	中	中	[18]
改进半正交用户选择	优	高	[19]
随机用户选择	中	低	[20]
位置相关用户选择	优	低	[20]

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