On decision-feedback detection of differential space-time modulation in continuous fading

被引：10

作者：

Ling, C ^{[1
]}

Li, KH ^{[1
]}

Kot, AC ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2004年 / 52卷 / 10期

关键词：

continuous fading; decision-feedback detection (DFD); differential space-time modulation (DSTM); linear prediction (LP); multiple-symbol differential detection (MSDD);

D O I：

10.1109/TCOMM.2004.836435

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We show that linear prediction (LP)-based decision-feedback detection (DFD) for nondiagonal differential space-time modulation (DSTM) may suffer from a severe performance degradation in continuously fading channels. DSTM constellations that incur no degradation in LP-DFD are identified as those with a diagonal generator. To cater to other constellations, we propose a low-complexity DFD scheme by inserting decision-feedback symbols into the metric of multiple-symbol differential detection.

引用

页码：1613 / 1617

页数：5

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