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Joint Source-Channel Coding with Inner Irregular Codes
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9307-484X
RWTH Aachen, Institute of Communication Systems and Data Processing.
RWTH Aachen, Institute of Communication Systems and Data Processing.
2008 (English)In: 2008 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY PROCEEDINGS, NEW YORK: IEEE , 2008, 1153-1157 p.Conference paper, Published paper (Refereed)
Abstract [en]

We address the optimization of joint source-channel coding schemes for iterative source-channel decoding of first-order Markov sources. Compared to the traditional design, we propose two novelties: (1) source encoders, providing code words with a minimum Hamming distance distance d(min) >= 2, realized by linear block codes, and (2) irregular channel encoders which are optimized for both the source characteristics and the conditions on the channel. Inner code rates Rc > 1 may be chosen in order to compensate for the additional source redundancy if required. Design examples for the AWGN channel and an overall code rate R=0.66 show that the proposed system is able to establish reliable communication within 0.3 dB of the capacity limit for an interleaver length of approximatively 200000 bits.

Place, publisher, year, edition, pages
NEW YORK: IEEE , 2008. 1153-1157 p.
National Category
Computer Science
Identifiers
URN: urn:nbn:se:kth:diva-28960DOI: 10.1109/ISIT.2008.4595168ISI: 000260364400233Scopus ID: 2-s2.0-52349101660ISBN: 978-1-4244-2256-2 (print)OAI: oai:DiVA.org:kth-28960DiVA: diva2:398544
Conference
IEEE International Symposium on Information Theory Toronto, CANADA, JUL 06-11, 2008
Note

QC 20110218

Available from: 2011-02-18 Created: 2011-01-25 Last updated: 2016-05-12Bibliographically approved

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Thobaben, Ragnar

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • modern-language-association-8th-edition
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More styles
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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