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Fast training of fractionally-spaced modified decision feedback equalizer in slow frequency selective fading channels

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Authors
Lee, Heechoon; Hong, Syukkyun; Lee, Kwang-Bok; Lee, Yong-Hwan
Issue Date
2002-05
Publisher
Institute of Electrical and Electronics Engineers
Citation
VTC Spring 2002. IEEE 55th Vehicular Technology Conference, vol. 4, pp. 1694-1698, 2002
Keywords
equalizationdecision feedback equalisers
Abstract
To reduce the equalizer training time with robustness to the timing phase error in fixed wireless channels, we propose a fractionally-spaced modified DFE (FS-MDFE) scheme. The proposed FS-MDFE is an extension of the previously proposed symbol-spaced modified DFE (SS-MDFE) (see Ariyavisitakul, S. and Greenstein, L.J., IEEE J. Select. Areas Commun., vol.15, no.1, p.5-15, 1997). The performance of the FS-MDFE is analytically evaluated in terms of the mean squared error. The optimum MMSE solution is derived for initialization of the feedforward filter of the MDFE. We also propose a simplified initialization method to reduce the implementation complexity.
Language
English
URI
http://www.ewh.ieee.org/soc/vtc02spring/

http://hdl.handle.net/10371/7515
DOI
https://doi.org/10.1109/VTC.2002.1002909
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Others_전기·정보공학부
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