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A modified CMA equalizer for the removal of length dependent local minima in AR channels

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3 Author(s)
Escudero, C.J. ; Dept. de Electron. y Syst., Univ. de La Coruna, Spain ; Castedo, L. ; Mitra, U.

Finite-length CMA equalizers contain undesired minima termed length dependent local minima (LDLM), we note that for autoregressive (AR) channels, the equalizer output is correlated with a delayed input at these minima, this property is then used to modify the CMA cost function and remove the LDLM in AR channels

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Signal Processing, IEEE Transactions on  (Volume:47 ,  Issue: 2 )