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Adaptive ‘imperfect’ decision feedback equalizer for a frequency selective communication channel

Adaptive ‘imperfect’ decision feedback equalizer for a frequency selective communication channel

Balasubramanyam, Ramkumar and Rapajic, Predrag B. (2008) Adaptive ‘imperfect’ decision feedback equalizer for a frequency selective communication channel. In: Wysocki, Beata J. and Wysocki, Tadeusz A., (eds.) Proceedings of the 1st International Conference on Signal Processing and Telecommunication Systems ICSPCS'2007 Australia, Gold Coast December 17-19, 2007. DSP for Communication Systems, Tarrawanna, New South Wales, Australia, pp. 503-507. ISBN 9780975693445

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Abstract

In this paper, we show that, for an uncoded receiver system, the proposed least mean square (LMS) decision aided equalizer (DAE), with, the backward step-size constant greater than forward step-size constant, compared to classical equal-step size design, has a lower mean square error by upto 5 dB, for a frequency selective wireless communication channel. Classical LMS DAE with equal step-size constants, can be considered as perfect decision feedback system, compared to, the proposed unequal step-size, as a imperfect decision feedback system. We provide, Wiener DAE, considering imperfect decision feedback information, during training mode and provide analysis for LMS DAE with unequal step size constants.

Item Type: Book Section
Additional Information: [1] This paper forms part of the proceedings of the 1st International Conference on Signal Processing and Communication Systems, ICSPCS’2007 Australia, Gold Coast, 17-19 December 2007 [2] This international conference incorporated The 9th International Symposium on DSP and Communication Systems, DSPCS’2007, and The 6th Workshop on the Internet, Telecommunications and Signal Processing, WITSP'2007
Uncontrolled Keywords: wireless communication systems,
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments: School of Engineering
School of Engineering > Department of Computer & Communications Engineering
Related URLs:
Last Modified: 14 Oct 2016 09:08
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/2980

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