NDLI: A new blind equalization algorithm using higher order statistics in a decision feedback structure

Content Provider	IEEE Xplore Digital Library
Author	Bessios, A.G. Nikias, C.L.
Copyright Year	1991
Description	Author affiliation: Dept. of Electr. Eng.-Syst., Univ. of Southern California, Los Angeles, CA, USA (Bessios, A.G.; Nikias, C.L.)
Abstract	The authors present a novel adaptive blind equalization algorithm named POTEA (power cepstrum and tricoherence equalization algorithm) using a nonlinear structure. It is based on the combined use of second- and fourth-order statistics of the received sequence. A nonlinear decision-feedback equalization (DFE) structure is proposed for equalizing nonminimum-phase channels with severe distortion, since a linear equalizer does not perform well in cases of channels with deep spectral nulls in their amplitude characteristics. The direct-form structure of the DFE consists of a feedforward T-spaced filter with an all-pass mixed phase transfer function, and a feedbackward T-spaced filter with a minimum phase one. The performance of POTEA for linear and decision-feedback equalizers is tested for the cases of 16-QAM (quadrature amplitude modulation) and 64-QAM.
Starting Page	721
Ending Page	725
File Size	282178
Page Count	5
File Format	PDF
ISBN	0818624701
ISSN	10586393
DOI	10.1109/ACSSC.1991.186542
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1991-11-04
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Blind equalizers Higher order statistics Decision feedback equalizers Adaptive equalizers Filters Cepstrum Nonlinear distortion Transfer functions Testing Quadrature amplitude modulation
Content Type	Text
Resource Type	Article
Subject	Signal Processing Computer Networks and Communications

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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