Blind adaptive multiuser detection for Code Division Multiple Access using Cimmino`s reflection method. | [Proceedings 6th International Bhurban Conference on Applied Sciences and Technology • 2009]

Author(s):

1. A. U. Quddus: Centre for Communication Systems Research, University of Surrey, Guildford, GU2 7XH, Surrey, United Kingdom

2. B. G. Evans: Centre for Communication Systems Research, University of Surrey, Guildford, GU2 7XH, Surrey, United Kingdom

3. R. Tafazolli: Centre for Communication Systems Research, University of Surrey, Guildford, GU2 7XH, Surrey, United Kingdom

Abstract:

This paper investigates adaptive implementation of the linear minimum mean square error (MMSE) detector in code division multiple access (CDMA). From linear algebra, Cimmino`s reflection method is proposed as a possible way of achieving the MMSE solution blindly. Simulation results indicate that the proposed method converges four times faster than the blind least mean squares (LMS) algorithm and has roughly the same convergence performance as the blind recursive least squares (RLS) algorithm. Moreover the proposed algorithm is numerically more stable than the RLS algorithm and also exhibits parallelism for pipelined implementation.

Page(s): 118-120

DOI: DOI not available

Published: Journal: Proceedings 6th International Bhurban Conference on Applied Sciences and Technology , Volume: 2, Issue: 0, Year: 2009

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