Space-time coding and Kalman filtering for time-selective fading channels

被引：158

作者：

Liu, ZQ ^{[1
]}

Ma, XL ^{[1
]}

Giannakis, GB ^{[1
]}

机构：

[1] Univ Minnesota, Dept Elect & Comp Engn, Minneapolis, MN 55455 USA

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2002年 / 50卷 / 02期

关键词：

diversity methods; Kalman filtering; space-time codes; transmit antennas;

D O I：

10.1109/26.983312

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：

This letter proposes a novel decoding scheme for Alamouti's space-time (ST) coded transmissions over time-selective fading channels that arise due to Doppler shifts and carrier frequency offsets. Modeling the time-selective channels as random processes, we employ Kalman filtering for channel tracking in order to enable ST decoding with diversity gains. Computer simulations confirm that the proposed scheme exhibits robustness to time-selectivity with a few training symbols.

引用

页码：183 / 186

页数：4

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