Cone Codebook for Limited Feedback Beamforming over Correlated MIMO Channels

被引：0
|
作者：
Wu, Yating [1 ]
Cui, Yidong [2 ]
Yu, Fei [3 ]
Sun, Yanzan [1 ]
机构：
[1] Shanghai Univ, Key Lab Special Fiber Opt & Opt Access Network, Shanghai 200041, Peoples R China
[2] Beijing Univ Posts & Telecommun, Sch Software Engn, Beijing, Peoples R China
[3] Shenzhen Polytech, Sch Elect & Informat Engn, Shenzhen, Peoples R China
来源：
2013 IEEE 77TH VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING) | 2013年
基金：
上海市科技启明星计划; 中国国家自然科学基金;
关键词：
MIMO; limited feedback; codebook; beamforming;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A new beamforming codebook design is proposed to reduce the feedback rate of quantized beamforming MIMO systems over temporally correlated channels. Based on a first-order Gauss-Markov fading model, we develop an adaptive cone codebook that can fold or expand to adapt to the interframe temporal correlations of the channel and rotate to track the time-varying channel. Through Monte Carlo simulations, we demonstrate that the proposed cone codebook based limited feedback scheme outperforms the conventional scheme with fixed codebook and compresses the feedback bits without degrading the system performance.
引用
收藏
页数：5
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