CM-based blind equalization of time-varying SIMO-FIR channel with single pulsation estimation

Peng, Dezhong, Xiang, Yong, Yi, Zhang and Yu, Shui 2011, CM-based blind equalization of time-varying SIMO-FIR channel with single pulsation estimation, IEEE transactions on vehicular technology, vol. 60, no. 5, pp. 2410-2415, doi: 10.1109/TVT.2011.2150255.

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Title CM-based blind equalization of time-varying SIMO-FIR channel with single pulsation estimation
Author(s) Peng, Dezhong
Xiang, YongORCID iD for Xiang, Yong
Yi, Zhang
Yu, ShuiORCID iD for Yu, Shui
Contributor(s) Weihua, Zhuang
Journal name IEEE transactions on vehicular technology
Volume number 60
Issue number 5
Start page 2410
End page 2415
Total pages 6
Publisher IEEE
Place of publication Piscataway, N. J
Publication date 2011-06
ISSN 0018-9545
Keyword(s) blind channel equalization
complex exponential basis expansion model (CE-BEM)
constant modulus (CM)
time-varying (TV) channel
Summary It is known that the constant modulus (CM) property of the source signal can be exploited to blindly equalize time-invariant single-inputmultiple-output (SIMO) and finite-impulse-response (FIR) channels. However, the time-invariance assumption about the channel cannot be satisfied in several practical applications, e.g., mobile communication. In this paper, we show that, under some mild conditions, the CM criterion can be extended to the blind equalization of a time-varying channel that is described by the complex exponential basis expansion model (CE-BEM). Although several existing blind equalization methods that are based on the CE-BEM have to employ higher order statistics to estimate all nonzero channel pulsations, the CM-based method only needs to estimate one pulsation using second-order statistics, which yields better estimation results. It also relaxes the restriction on the source signal and is applicable to some classes of signals with which the existing methods cannot deal.
Language eng
DOI 10.1109/TVT.2011.2150255
Field of Research 090609 Signal Processing
Socio Economic Objective 890104 Mobile Telephone Networks and Services
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2011, IEEE
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