Limited Feedback Unitary Precoding for MIMO Full Stream Transmission

被引：6
|
作者：
Cheng, Peng [1 ]
Chen, Zhuo [1 ]
Rui, Yun [2 ,3 ]
Guo, Y. Jay [1 ]
Guizani, Mohsen [4 ]
机构：
[1] CSIRO Computat Informat, Clayton, Vic 3169, Australia
[2] Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201203, Peoples R China
[3] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Jiangsu, Peoples R China
[4] Qatar Univ, Doha 2713, Qatar
来源：
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2014年 / 63卷 / 08期
关键词：
Limited feedback; multiple-input-multiple-output (MIMO); precoding; spatial multiplexing; PERFORMANCE ANALYSIS; BROAD-BAND; SYSTEMS;
D O I：
10.1109/TVT.2014.2306985
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：
Limited feedback precoding (LFP) significantly improves multiple-input-multiple-output (MIMO) spatial multiplexing link reliability with a small amount of feedback from the receiver back to the transmitter. One of the key problems with LFP is how to select an optimal precoder from a predetermined unitary codebook. We find that the conventional precoder selection criteria are not applicable to the full stream transmission mode with linear [zero forcing (ZF) and minimum mean square error (MMSE)] receivers. To solve this issue, a novel singular value decomposition (SVD)-based precoder selection criterion optimizing the bit error rate (BER) performance is proposed in this paper. The proposed criterion features a unified structure for both linear receivers and it can be calculated based on fast matrix computation algorithms. Its effectiveness in the full stream transmission mode is verified by simulation results.
引用
收藏
页码：4092 / 4096
页数：5
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