Optimal precoder design for spatial multiplexing MIMO system with limited feedback

被引：0
|
作者：
Wang, Xin [1 ]
Luo, Han-Wen [1 ]
She, Feng [1 ]
机构：
[1] Institute of Wireless Communication Technology, Shanghai Jiaotong University, Shanghai 200240, China
来源：
Shanghai Jiaotong Daxue Xuebao/Journal of Shanghai Jiaotong University | 2008年 / 42卷 / 04期
关键词：
Channel state information - Feedback - MIMO systems - Power control - Transmitters;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In MIMO spatial multiplexing system, channel state information (CSI) is very useful for adaptive selection of the optimal precoding schemes which can enhance system performance effectively. This paper proposed a joint optimal precoding algorithm for MIMO system with limited feedback. Based on optimize theory, it proposes the optimal transmitter structure which combines power control with precoding, and also brings forward a novel MMSE criteria based codebook construction algorithm. The simulation results show that the proposed structure and codebook design algorithm outperform the previous equal power allocation based codebook.
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页码：621 / 624
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