Modified multi-rate detection for frequency selective Rayleigh fading CDMA channels

Document Type

Conference Proceeding

Publication Date

12-1-1998

Abstract

A LMMSE multi-rate detector for synchronous CDMA frequency selective Rayleigh fading channels is proposed here. A comparative study between the conventional multi-rate Rake receiver and suboptimal multi-rate detector is presented. The conventional multi-rate Rake receiver is severely limited by the near-far effects in the multiuser environment. Both suboptimal multi-rate receiver and LMMSE multi-rate detector have the near-far resistance while preserving the multipath diversity gain. The simulation results show that the proposed LMMSE multi-rate detector can improve the performance comparing to the proposed suboptimal multi-rate receiver.

Identifier

0032295477 (Scopus)

Publication Title

IEEE International Symposium on Personal Indoor and Mobile Radio Communications PIMRC

First Page

1304

Last Page

1307

Volume

3

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