Joint receive antenna selection for multi-user MIMO systems with vector precoding

被引：0
|
作者：
Miao, Wei [1 ]
Li, Yunzhou
Zhou, Shidong
Wang, Jing
Xu, Xibin
机构：
[1] Tsinghua Univ, Tsinghua Natl Lab Informat Sci & Technol, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2008年 / E91B卷 / 04期
关键词：
MIMO broadcast channels; vector precoding; receive antenna selection; singular value decomposition (SVD);
D O I：
10.1093/ietcom/e91-b.4.1176
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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 anal- ysis, 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.
引用
收藏
页码：1176 / 1179
页数：4
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