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Improved convergence of fractionally-spaced constant modulus equalisers in presence of noise

Skowratananont, K, Lambotharan, S and Chambers, JA (1998) Improved convergence of fractionally-spaced constant modulus equalisers in presence of noise Electronics Letters, 34 (17). pp. 1644-1646.

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Abstract

The constant modulus algorithm (CMA) applied to a fractionally spaced equaliser, with length and zero constraints on the channel, has been shown to be globally convergent when there is no channel noise. However, in the presence of channel noise, the performance of the CMA can suffer because of the existence of undesired local minima corresponding to different delays. A new technique is introduced, based on the Gram-Schmidt orthogonalisation, to obtain convergence to an optimum delay where the mean square error is minimum.

Item Type: Article
Authors :
NameEmailORCID
Skowratananont, KUNSPECIFIEDUNSPECIFIED
Lambotharan, SUNSPECIFIEDUNSPECIFIED
Chambers, JAj.a.chambers@surrey.ac.ukUNSPECIFIED
Date : 20 August 1998
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:27
Last Modified : 17 May 2017 13:27
URI: http://epubs.surrey.ac.uk/id/eprint/839287

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