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Joint Receive Antenna Selection for Multi-User MIMO Systems with Vector Precoding
Wei MIAO Yunzhou LI Shidong ZHOU Jing WANG Xibin XU
IEICE TRANSACTIONS on Communications
Publication Date: 2008/04/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
MIMO broadcast channels, vector precoding, receive antenna selection, singular value decomposition (SVD),
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Vector precoding is a nonlinear broadcast precoding scheme in the downlink of multi-user MIMO systems which outperforms linear precoding and THP (Tomlinson-Harashima Precoding). This letter discusses the problem of joint receive antenna selection in the multi-user MIMO downlink with vector precoding. Based on random matrix analysis, we derive a simple heuristic selection criterion using singular value decomposition (SVD) and carry out an exhaustive search to determine for each user which receive antenna should be used. Simulation results reveal that receive antenna selection using our proposed criterion obtains the same diversity order as the optimal selection criterion.