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| 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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