Oletu, G., Rapajic, P., Eneh, T. and Anang, K. (2011) Performance of iterative decoding with imperfect MMSE DFE. Wireless Days. pp. 1-3. ISSN 2156-9711 (doi:https://doi.org/10.1109/WD.2011.6098137)

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Abstract

The MMSE-DFE is a well established Intersymbol Interference(ISI) mitigating structure on linear, noisy, and dispersive channels. Time invariant communication channels exhibits ISI for severe frequency-selective channels. In this paper we investigate the iterative decoding with imperfect MMSE decision feedback equalizer using different modulation scheme. We assume that soft outputs from channel decoder are independent identically distributed Gaussian random variables with known mean and variance. The Imperfect MMSE DFE using different modulation outperforms other turbo equalization algorithms of similar computational complexity in terms of bit-error rate. The achieved improvement is up to 3dB for severe frequency-selective channels.

Item Type:	Article
Additional Information:	E-ISBN: 978-1-4577-2026-0 Print ISBN: 978-1-4577-2027-7
Uncontrolled Keywords:	Intersymbol Interference(ISI), MMSE decision feedback equalizer,
Subjects:	Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Pre-2014 Departments:	School of Engineering School of Engineering > Department of Computer & Communications Engineering
Related URLs:	Publisher Organisation
Last Modified:	14 Oct 2016 09:19
URI:	http://gala.gre.ac.uk/id/eprint/7686

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