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DESIGN AND PERFORMANCE OF OPTIMIZED RELAY MAPPINGS
KTH, School of Electrical Engineering (EES), Communication Theory.
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0002-7926-5081
2008 (English)In: 2008 5TH INTERNATIONAL CONFERENCE ON BROADBAND COMMUNICATIONS, NETWORKS AND SYSTEMS: (BROADNETS 2008), NEW YORK: IEEE , 2008, 2-7 p.Conference paper, Published paper (Refereed)
Abstract [en]

We look at the three-node relay channel and the transmission of an information symbol from the source node to the destination node. We let the relay be a memoryless function and formulate necessary conditions for the optimality of the relay mapping and the detector. Based on these, we propose a design algorithm to find relay mappings such that the symbol error rate at the destination is minimized. The optimized relay mappings are illustrated for different scenarios and the dependency between the relay mapping and the link qualities is discussed in detail. Furthermore, the performance is compared to the existing schemes detect-and-forward, amplify-and-forward, and estimate-and-forward. It is shown that there is a significant gain in terms of decreased symbol error rate if the optimized relay mapping is used.

Place, publisher, year, edition, pages
NEW YORK: IEEE , 2008. 2-7 p.
Keyword [en]
cooperative transmission, relay channel, relay mapping, modulation, detection, sensor networks
National Category
Computer Science
Identifiers
URN: urn:nbn:se:kth:diva-28951DOI: 10.1109/BROADNETS.2008.4769033ISI: 000268669300001Scopus ID: 2-s2.0-63049090054ISBN: 978-1-4244-2391-0 (print)OAI: oai:DiVA.org:kth-28951DiVA: diva2:399180
Conference
5th International Conference on Broadband Communications Networks and Systems London, ENGLAND, SEP 08-11, 2008
Note
QC 20110221Available from: 2011-02-21 Created: 2011-01-25 Last updated: 2011-02-21Bibliographically approved

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Skoglund, Mikael

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • 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
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