Performance analysis of a DSTTD system with decision-feedback detection

被引：0

作者：

Kim, Hyounkuk ^{[1
]}

Park, Hyuncheol ^{[1
]}

Kim, Taejoon ^{[1
]}

Eo, Iksoo ^{[1
]}

机构：

[1] ICU, Sch Engn, Taejon 305714, South Korea

来源：

2006 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, VOLS 1-13 | 2006年

关键词：

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

We investigate closed-form bit error rate (BER) expressions for the double space-time transmit diversity (DSTTD) system with a zero-forcing decision-feedback (ZF-DF) detector. We show that the lower Alamouti's STTD unit can obtain the second order diversity gain. However, the upper one cannot guarantee the fourth order diversity due to the effect of error propagation. For example, it simply gives 3.5 dB signal-to-noise ratio (SNR) advantage over the lower one at the bit error rate (BER) of 10(-3). Under the same environment, overall BER performance also suffers from 5.6 dB performance degradation over a maximum likelihood (ML) detector.

引用

页码：4419 / 4422

页数：4

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