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| Paper: | SPCOM-P7.5 |
| Session: | MIMO Receiver Algorithms |
| Time: | Thursday, May 20, 09:30 - 11:30 |
| Presentation: |
Poster |
| Topic: |
Signal Processing for Communications: Space-Time/MIMO Channel Equalization |
| Title: |
AN ITERATIVE FREQUENCY-DOMAIN LAYERED SPACE-TIME RECEIVER FOR SDMA SYSTEMS WITH SINGLE-CARRIER TRANSMISSION |
| Authors: |
Reza Kalbasi; Carleton University | | |
| | Rui Dinis; Technical University of Portugal | | |
| | David Falconer; Carleton University | | |
| | Amir Banihashemi; Carleton University | | |
| Abstract: |
The use of multiple antennas at the BS (Base Station) allowssignificant improvements on the spectral efficiency of wirelesscommunications systems by increasing the number of simultaneoususers on a given cell. In this paper we introduce a new iterative multiuser detection scheme for systems requiring high-rate transmission in severe time-dispersive channels. We consider the use of single-carrier modulations combined with frequency-domain equalization techniques, which are known to be excellent candidates for severe time-dispersive channels. The BS employs multiple antennas and consists of an iterative LST (Layered Space-Time) receiver combined with frequency-domain equalization techniques. Our performance results show that the proposed receiver structure has excellent performance, which can be very close to the matched filter bound, even for severe time-dispersive channels and in the presence of strong interfering channels. |
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