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Soft-decision metrics for coded orthogonal signaling in symmetric alpha-stable noise
National Institute of Standards and Technology, Wireless Communication Technologies Group, USA.
George Washington University, USA.ORCID iD: 0000-0002-7599-4367
George Washington University, USA.
George Washington University, USA.
2005 (English)In: IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005. Proceedings. (ICASSP '05), 2005, III-697-III-700 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper derives new soft decision metrics for coded orthogonal signaling in symmetric α-stable noise, which has been used to model impulsive noise. In addition to the optimum metrics for Gaussian (α=2) noise and Cauchy (α=1) noise, a class of generalized likelihood ratio (GLR) metrics with lower side information requirements is derived. Through numerical results for a turbo code example, the Cauchy decoder is found to be robust for a wide range of α, and GLR metrics are found which provide performance gains relative to the Gaussian metric, but with lower complexity and less a priori information.

Place, publisher, year, edition, pages
2005. III-697-III-700 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-77257DOI: 10.1109/ICASSP.2005.1415805ISBN: 0-7803-8874-7 (print)OAI: oai:DiVA.org:liu-77257DiVA: diva2:525928
Conference
2005 IEEE International Conference on Acoustics, Speech, and Signal Processing, Pennsylvania, USA, March 18-23, 2005
Available from: 2012-05-09 Created: 2012-05-09 Last updated: 2016-08-31Bibliographically approved

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Larsson, Erik G.

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf