Title
Bidirectional MMSE algorithms for interference suppression in DS-CDMA systems over fast fading channels
Abstract
This paper presents adaptive bidirectional minimum mean-square error (MMSE) parameter estimation algorithms for fast-fading channels. The time correlation between successive channel gains is exploited to improve the estimation and tracking capabilities of adaptive algorithms and provide robustness against time-varying channels. Bidirectional normalized least mean-square (NLMS) and conjugate gradient (CG) algorithms are devised along with adaptive mixing parameters that adjust to the time-varying channel correlation properties. An analysis of the proposed algorithms is provided along with a discussion of their performance advantages. Simulations for an application to interference suppression in DS-CDMA systems show the advantages of the proposed algorithms.
Year
DOI
Venue
2012
10.1109/ISWCS.2012.6328414
Wireless Communication Systems
Keywords
Field
DocType
code division multiple access,conjugate gradient methods,fading channels,interference suppression,least mean squares methods,spread spectrum communication,time-varying channels,CG algorithm,DS-CDMA systems,adaptive bidirectional MMSE algorithm,adaptive bidirectional minimum mean-square error parameter estimation algorithm,adaptive mixing parameters,bidirectional NLMS algorithm,bidirectional normalized least mean-square algorithm,conjugate gradient algorithm,fast fading channels,interference suppression,successive channel gains,time correlation,time-varying channel correlation properties,tracking capabilities,Bidirectional signal processing,adaptive interference suppression,adaptive receivers,fast-fading channels
Conjugate gradient method,Normalization (statistics),Computer science,Fading,Algorithm,Communication channel,Robustness (computer science),Interference (wave propagation),Code division multiple access,Spread spectrum
Conference
ISSN
ISBN
Citations 
2154-0217 E-ISBN : 978-1-4673-0760-4
978-1-4673-0760-4
0
PageRank 
References 
Authors
0.34
6
2
Name
Order
Citations
PageRank
Patrick Clarke100.34
de Lamare, R.C.265233.42