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Blind Channel Identification and Equalization from Second-Order Statistics and Absolute Mean
Yangsoo PARK Kang Min PARK Iickho SONG Hyung-Myung KIM
IEICE TRANSACTIONS on Communications
Publication Date: 1996/09/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Personal Communications)
Category: Modulation, Equalization and interference cancellation technologies
nonminimum phase systems, blind identification and equalization, absolute mean,
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This paper presents a new blind identification method of nonminimum phase FIR systems and an adaptive blind equalization for PAM/QAM inputs without employing higher-order statistics. They are based on the observation that the absolute mean of a second-order white sequence can measure whether the sequence is higher-order white or not. The proposed methods are new alternatives to many higher-order statistics approaches. Some computer simulations show that the absolute mean is exactly estimated and the proposed methods can overcome the disadvantages of the higher-order statistics approaches.