Hybrid Codebook Design for Multiuser MISO Systems with Limited Feedback

被引：0
|
作者：
Ko, Kyeongjun [1 ]
Lee, Jungwoo [1 ]
机构：
[1] Seoul Natl Univ, Sch Elect Engn & Comp Sci, Seoul 151744, South Korea
来源：
2010 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC 2010) | 2010年
关键词：
MIMO BROADCAST CHANNELS;
D O I：
暂无
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：
Multiuser MIMO (MU-MIMO) system with limited feedback can be divided into two classes generally. One is zero-forcing beamforming (ZFBF), and the other is per user unitary rate control ((PURC)-R-2) which is an extended technique of random beamforming (RBF). However, in order to perform well, ZFBF requires many feedback bits, and (PURC)-R-2 requires many users. These drawbacks of the existing MU-MIMO systems limit system performance in real environment. In this paper, we propose a new MU-MISO system which has merits of two MU-MIMO schemes simultaneously. Simulation results show the new MU-MISO system has good performance with simple feedback and low complexity user selection.
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页数：5
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