CLOSED-FORM POWER ALLOCATION SCHEME FOR SPACE-TIME CODED MULTIPLE-ANTENNA SYSTEMS WITH IMPERFECT CSI

被引：6
|
作者：
Kuang, Quan [1 ]
Leung, Shu-Hung [1 ]
Yu, Xiangbin [2 ]
机构：
[1] City Univ Hong Kong, Dept EE, Hong Kong, Hong Kong, Peoples R China
[2] Nanjing Univ Aeronaut & Astronaut, Dept EE, Nanjing, Jiangsu, Peoples R China
来源：
2010 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING | 2010年
关键词：
power allocation; imperfect CSI; space-time coding; beamforming; MIMO; BLOCK-CODES;
D O I：
10.1109/ICASSP.2010.5495967
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This paper presents a closed-form power allocation scheme for space-time coded multiple-antenna systems with imperfect channel state information at the transmitter. The proposed scheme is based on a so-called compressed signal-to-noise ratio (CSNR) criterion, where a single compression factor is used to minimize the bit-error-rate (BER). The obtained closed-form solution is computational efficient and achieves almost the same performance as the existing optimal approach which requires numerical search, and outperforms the existing suboptimal closed-form algorithm.
引用
收藏
页码：3442 / 3445
页数：4
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