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System-level benefit of combined power control and multi-user detection for CDMA uplink over a frequency selective channel

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2 Author(s)
Ataman, S. ; Service Radioelectricite et Electron., SUPELEC, Gif-sur-Yvette, France ; Wautier, A.

This work analyzes the benefit of power control and multi-user linear detection for CDMA uplink transmissions. Several papers have recently shown a benefit for such an approach in the case of synchronous uplink transmissions without multipath propagation. We study the impact of a multi-path channel on the system level performance. ZF and MMSE multi-user block linear receivers are considered for various scenarios to compare them and to evaluate the influence of multipath propagation and of out-cell interference on performance. The results are compared to the performance obtained with a RAKE receiver.

Published in:

Personal, Indoor and Mobile Radio Communications, 2004. PIMRC 2004. 15th IEEE International Symposium on  (Volume:4 )

Date of Conference:

5-8 Sept. 2004

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