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

页码：3442 / 3445

页数：4

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