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

Zhiqiang Liu; Xiaoli Ma; Georgios B. Giannakis

doi:10.1109/26.983312

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

Zhiqiang Liu, Xiaoli Ma, Georgios B. Giannakis

Research output: Contribution to journal › Article › peer-review

203 Scopus citations

Abstract

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.

Original language	English (US)
Pages (from-to)	183-186
Number of pages	4
Journal	IEEE Transactions on Communications
Volume	50
Issue number	2
DOIs	https://doi.org/10.1109/26.983312
State	Published - Feb 2002

Bibliographical note

Funding Information:
Paper approved by W. E. Ryan, the Editor for Modulation, Coding, and Equalization of the IEEE Communications Society. Manuscript received December 6, 2000; revised July 5, 2001. This work was supported by the ARO under Grant DAAG55-98-1-0336. This work was presented in part at MILCOM Conference, Los Angeles, CA, Oct. 22–25, 2000.

Keywords

Diversity methods
Kalman filtering
Space-time codes
Transmit antennas

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10.1109/26.983312

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N2 - 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.

AB - 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.

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KW - Space-time codes

KW - Transmit antennas

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

Abstract

Bibliographical note

Keywords

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