posted on 2010-01-18, 13:50authored bySangarapillai Lambotharan, Jonathon Chambers, A.G. Constantinides
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
History
School
Mechanical, Electrical and Manufacturing Engineering
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