A novel MMSE based codebook construction for MIMO precoded spatial multiplexing with limited feedback

被引：0
|
作者：
Feng She
Han-wen Luo
Xin Wang
机构：
[1] Shanghai Jiao Tong University,Department of Electronic Engineering
来源：
Journal of Zhejiang University-SCIENCE A | 2007年 / 8卷
关键词：
Multiple-input multiple-output (MIMO); Precoding; Channel state information (CSI); Feedback; TN929.5;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper deals with the design and performance analysis of the transmission precoder optimization for multiple-input multiple-output (MIMO) systems with limited feedback of channel state information (CSI). We assume that the receiver can get perfect channel knowledge by channel estimation while the transmitter only has partial channel knowledge from limited feedback. We present a minimum mean square error (MMSE) criterion based codebook construction algorithm for MIMO precoded spatial multiplexing systems under a specific average power constraint. The optimal transmitter structure is employed in this paper. Simulation results show that the MMSE criteria based codebook construction algorithm with hybrid design of power allocation and precoding can achieve better performance than that of equal power allocation based codebook of previous research.
引用
收藏
页码：1894 / 1900
页数：6
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