Modulo Loss Reduction for Vector Perturbation Systems

被引:30
作者
Han, Hyeon-Seung [1 ]
Park, Seok-Hwan [1 ]
Lee, Sunho [2 ]
Lee, Inkyu [1 ]
机构
[1] Korea Univ, Sch Elect Engn, Seoul, South Korea
[2] Sejong Univ, Dept Appl Math, Seoul, South Korea
关键词
Multiple antennas; precoding; vector perturbation; CAPACITY;
D O I
10.1109/TCOMM.2010.092810.090187
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
In this letter, we present an improved precoding technique which reduces a modulo loss in vector perturbation with low complexity. Instead of searching perturbation vectors in the infinite lattice, the proposed scheme restricts the search range by utilizing the distribution of the perturbation vector depending on transmitted data. As a result, we can achieve significant complexity savings at the transmitter while providing better performance compared to the original vector perturbation.
引用
收藏
页码:3392 / 3396
页数:5
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