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Title: Leaky constant modulus algorithms: sensitivity of local minima
Authors: Lambotharan, Sangarapillai
Chambers, Jonathon
Constantinides, A.G.
Issue Date: 1999
Publisher: © IEEE
Citation: LAMBOTHARAN, S., CHAMBERS, J. and CONSTANTINIDES, A.G., 1999. Leaky constant modulus algorithms: sensitivity of local minima. IN: Proceedings of the 1999 IEEE International Conference on Acoustics, Speech and Signal Processing. ICASSP '99, Phoenix, Arizona, 15th-19th March 1999, Vol. 5, pp. 2499-2502
Abstract: We propose a new family of mixed constant modulus algorithms for the elimination of local minima associated with the fractionally spaced constant modulus algorithm in the presence of channel noise. A special case of this family is the leaky constant modulus algorithm (L-CMA). We show that L-CMA aims to minimise jointly the intersymbol interference (ISI) and the noise gain introduced by the equalizer. Moreover, we derive a suitable range of leakage factors for which all local minima due to large noise amplification are eliminated
Description: This is a conference paper [© IEEE]. It is also available at: http://ieeexplore.ieee.org/ Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Version: Published
DOI: 10.1109/ICASSP.1999.760638
URI: https://dspace.lboro.ac.uk/2134/5812
ISBN: 0780350413
Appears in Collections:Conference Papers and Contributions (Electronic, Electrical and Systems Engineering)

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