| Paper: | SAM-P6.1 | ||
| Session: | Space-Time Processing for Communications | ||
| Time: | Thursday, May 20, 09:30 - 11:30 | ||
| Presentation: | Poster | ||
| Topic: | Sensor Array and Multichannel Signal Processing: MIMO systems and space-time decoding | ||
| Title: | DECISION FEEDBACK DETECTION AND CHANNEL TRACKING FOR SPACE-TIME BLOCK CODED TRANSMISSION SYSTEMS OVER TIME-VARYING CHANNELS | ||
| Authors: | Kyung Seung Ahn; Chonbuk National University | ||
| Heung Ki Baik; Chonbuk National University | |||
| Abstract: | This paper proposes a new decision feedback decoding scheme for Alamouti-based space-time block coding (STBC) transmission over time-selective fading channels. In wireless channels, time-selective fading effects arise mainly due to Doppler shift and carrier frequency offset. Modelling the time-selective fading channels as the first-order Gauss-Markov processes, we userecursive algorithms such as Kalman filtering, LMS and RLS algorithms for channel tracking. The proposed scheme consists of the symbol decoding stage and channel tracking algorithms. Computer simulations confirm that the proposed scheme shows the better performance and robustness to time-selectivity. | ||
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