Adaptive Codebook Selection for Limited Feedback MIMO Beamforming Systems

被引：0
|
作者：
Li, WeiBin [1 ]
Wang, Tingchang [1 ]
Lan, Xiufeng [2 ]
机构：
[1] PLA Univ Sci & Technol, Inst Commun Engn, Nanjing 210007, Peoples R China
[2] Nanjing Univ Aeronaut & Astronaut, Dept Appl Phys, Nanjing 210007, Peoples R China
来源：
2009 5TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-8 | 2009年
关键词：
Beamforming; codebook; Multiple-input multiple-output (MIMO); Limited feedback; FINITE RATE FEEDBACK;
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：
A combined codebook for limited feedback Multi-input Multi-output (MIMO) beamforming system is proposed, where two grassmannian codebooks are combined together to make a set of new codebooks, and from which to choose the codebook for quantification. The codebook selection information is implied in the feedback codeword indexes, thus we can to switch the codebook adaptively. Simulation results show that this method can be used to any channel models, and at the same BER, this method can reduce the feedback rate compare to grassmannian codebooks in correlated channels.
引用
收藏
页码：1297 / +
页数：2
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