Title :
Nonlinear blind channel equalization via ring decision feedback
Author :
Paris, Bernd-Peter ; Chen, Hongda
Author_Institution :
Dept. of Electr. & Comput. Eng., George Mason Univ., Fairfax, VA, USA
Abstract :
A novel nonlinear blind equalizer for linearly modulated digital communication is proposed. The equalizer employs a ring decision device that feeds back a weighted sum of past ring decisions to approximately cancel intersymbol interference (ISI) in the present signalling interval. Simple adaptive algorithms for blindly adapting the coefficients of the equalizer are presented
Keywords :
adaptive equalisers; blind equalisers; decision feedback equalisers; digital communication; dispersive channels; interference suppression; intersymbol interference; quadrature amplitude modulation; ISI cancellation; QAM; adaptive algorithms; blind adaptation; equalizer coefficients; intersymbol interference; linear dispersive channel; linearly modulated digital communication; nonlinear blind channel equalization; past ring decisions; ring decision feedback equalizer; signalling interval; weighted sum; Blind equalizers; Decision feedback equalizers; Digital modulation; Dispersion; Feeds; Filters; Gaussian noise; Intersymbol interference; Quadrature amplitude modulation; Signal processing algorithms;
Conference_Titel :
Information Theory, 1998. Proceedings. 1998 IEEE International Symposium on
Conference_Location :
Cambridge, MA
Print_ISBN :
0-7803-5000-6
DOI :
10.1109/ISIT.1998.709057
