| Paper: | SAM-P6.8 | ||
| Session: | Space-Time Processing for Communications | ||
| Time: | Thursday, May 20, 09:30 - 11:30 | ||
| Presentation: | Poster | ||
| Topic: | Sensor Array and Multichannel Signal Processing: Array processing for wireless communications | ||
| Title: | MIMO ARRAY DS-CDMA SYSTEM: A BLIND SPACE-TIME-DOPPLER ESTIMATION/RECEPTION | ||
| Authors: | Jason W. P. Ng; Imperial College, London | ||
| Athanassios Manikas; Imperial College, London | |||
| Abstract: | In this paper, a blind near-far resistant MIMO array receiver is proposed for time-varying asynchronous multipath DS-CDMA systems. Unlike many other MIMO works, the proposed receiver is built on array-antenna technology which is commonly used in applications such as the well-known 'smart antenna' system. Hence, a novel Space-Time-Doppler estimation algorithm is devised which provides the joint angle and delay, as well as the Doppler shift frequency estimation. With the estimator integrated as the front-end, the proposed MIMO array receiver requires no knowledge of the channel and is insusceptible to near-far problems. Furthermore it is robust to channel estimation errors in the event of any unidentified or erroneous channel parameter. | ||
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