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Design of unequal error protection LDPC codes for higher order constellations
Jacobs University, Bremen.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
2007 (English)In: IEEE International Conference on Communications, 2007: ICC '07 ; 24 - 28 June 2007, Glasgow, Scotland, Piscataway, NJ: IEEE Communications Society, 2007, 926-931 p.Conference paper, Published paper (Refereed)
Abstract [en]

We present an optimization method for unequal error protection (UEP)-LDPC codes with higher order constellations. By modifying the density evolution algorithm under the Gaussian approximation, we propose a flexible code design algorithm for a variable number of protection classes and arbitrary modulation schemes with Gray mapping. Our results show that appropriate code design for higher order constellations reduces the overall bit-error rate. Furthermore, the influence on the UEP capability of the code, that is, the difference in bit-error rate between the protection classes, is investigated.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 2007. 926-931 p.
National Category
Signal Processing
Research subject
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-40358DOI: 10.1109/ICC.2007.157Local ID: f7278490-7730-11dc-80da-000ea68e967bISBN: 1-424-40352-9 (print)OAI: oai:DiVA.org:ltu-40358DiVA: diva2:1013880
Conference
IEEE International Conference on Communications - A : 24/06/2007 - 28/06/2007
Note
Godkänd; 2007; 20071010 (saras)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved

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CiteExportLink to record
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  • apa
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  • de-DE
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