Polar-Cap Codebook Design for MISO Rician Fading Channels With Limited Feedback

被引：2
|
作者：
Hong, Sung Hyuck [1 ]
Kim, Sucheol [1 ]
Choi, Junil [1 ]
Choi, Wan [2 ]
机构：
[1] Korea Adv Inst Sci & Technol, Sch Elect Engn, Daejeon 34141, South Korea
[2] Seoul Natl Univ, Dept Elect & Comp Engn, Seoul 08826, South Korea
来源：
IEEE WIRELESS COMMUNICATIONS LETTERS | 2021年 / 10卷 / 04期
基金：
新加坡国家研究基金会;
关键词：
Channel estimation; Rician channels; MISO communication; Signal to noise ratio; Array signal processing; Indexes; Fading channels; Polar-cap codebook (PCC); multiple-input single-output (MISO) limited feedback systems; Rician fading channels; transmit beamforming; WIRELESS;
D O I：
10.1109/LWC.2020.3041941
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Most of the prior works on designing codebooks for limited feedback systems have not considered the presence of strong line-of-sight (LOS) channel component. This letter proposes the design of polar-cap codebook (PCC) for multiple-input single-output (MISO) limited feedback systems subject to Rician fading channels. The codewords of the designed PCC are adaptively constructed according to the instantaneous strength of the LOS channel component. Simulation results show that the codebook can significantly enhance the performance of transmit beamforming in terms of received signal-to-noise ratio (SNR).
引用
收藏
页码：730 / 734
页数：5
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