Title :
Adaptive Minimum Entropy Equalization Algorithm
Author :
Abrar, Shafayat ; Nandi, Asoke K.
Author_Institution :
Dept. of Electr. Eng. & Electron., Univ. of Liverpool, Liverpool, UK
fDate :
10/1/2010 12:00:00 AM
Abstract :
We employ minimum entropy deconvolution principle for blind equalization of complex digital signals. In essence, we maximize the output energy, constrain the equalizer output not to exceed certain level and obtain an adaptive solution capable of opening a closed-eye with the recovery of true energy of signal. We provide evidence of good performance in comparison to existing adaptive methods, like CMA and its variants, through simulations.
Keywords :
blind equalisers; deconvolution; minimum entropy methods; adaptive minimum entropy equalization algorithm; blind equalization; complex digital signals; data communication systems; minimum entropy deconvolution principle; nonminimum phase channel; Adaptive equalizers; Algorithm design and analysis; Blind equalizers; Deconvolution; Entropy; Signal to noise ratio; Adaptive equalizers; blind equalization; constant modulus algorithm; minimum entropy deconvolution;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2010.083110.101168