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Adaptive Minimum-BER Linear Multiuser Detection for DS-CDMA Signals in Multipath Channels

Chen, S., Samingan, A.K., Mulgrew, B. and Hanzo, L. (2001) Adaptive Minimum-BER Linear Multiuser Detection for DS-CDMA Signals in Multipath Channels IEEE Transactions on Signal Processing, 49, (6), pp. 1240-1247.

Record type: Article

Abstract

The problem of constructing adaptive minimum bit error rate (MBER) linear multiuser detectors is considered for direct-sequence code division multiple access (DS-CDMA) signals transmitted through multipath channels. Based on the approach of kernel density estimation for approximating the bit error rate (BER) from training data, a least mean squares (LMS) style stochastic gradient adaptive algorithm is developed for training linear multiuser detectors. Computer simulation is used to study the convergence speed and steady-state BER misadjustment of this adaptive MBER linear multiuser detector, and the results show that it outperforms an existing LMS-style adaptive MBER algorithm first presented at Globecom'98 by Yeh, Lopes and Barry.

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More information

Published date: June 2001
Additional Information: submitted in April 2000, revised in Oct.2000, and accepted in Feb.2001
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 252953
URI: http://eprints.soton.ac.uk/id/eprint/252953
ISSN: 1053-587X
PURE UUID: 5c42f4e8-298e-481b-bf7a-8ed13ab35d35

Catalogue record

Date deposited: 04 Mar 2004
Last modified: 18 Jul 2017 10:00

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Contributors

Author: S. Chen
Author: A.K. Samingan
Author: B. Mulgrew
Author: L. Hanzo

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