NDLI: Performance of iterative decoding with imperfect MMSE DFE

Content Provider	IEEE Xplore Digital Library
Author	Oletu, G. Rapajic, P. Eneh, T. Anang, K.
Copyright Year	2011
Description	Author affiliation: Department of Computer and Communication Systems, School of Engineering, the University of Greenwich, UK (Oletu, G.; Rapajic, P.; Eneh, T.; Anang, K.)
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.
Starting Page	1
Ending Page	3
File Size	340870
Page Count	3
File Format	PDF
ISBN	9781457720277
ISSN	21569711
e-ISBN	9781457720284
e-ISBN	9781457720260
DOI	10.1109/WD.2011.6098137
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-10
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency modulation decision feedback Bit error rate Imperfect feedback Time frequency analysis Decision feedback equalizers Equalization Iterative decoding Signal to noise ratio
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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