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Input-distribution optimization for estimate-and-forward relaying
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-7926-5081
2012 (English)In: Wireless Communication Systems (ISWCS), 2012 International Symposium on, IEEE , 2012, 201-205 p.Conference paper, Published paper (Refereed)
Abstract [en]

We investigate the design of optimized input distributions for the two-hop Gaussian relay channel under an average power constraint. In our study, the relay is confined to implement an estimate-and-forward strategy. We demonstrate that the rate achievable by an optimized discrete input distribution can significantly outperform that achievable by a Gaussian codebook. The lower bound obtained by the optimized EF scheme is also used to establish an improved lower bound on the rates achievable by compress-and-forward.

Place, publisher, year, edition, pages
IEEE , 2012. 201-205 p.
Series
Proceedings of the International Symposium on Wireless Communication Systems, ISSN 2154-0217
Keyword [en]
Average power, Compress and forward, Gaussian codebook, Gaussian relays, Lower bounds, Communication systems, Optimization
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-116665DOI: 10.1109/ISWCS.2012.6328358Scopus ID: 2-s2.0-84871287723ISBN: 978-146730760-4 (print)OAI: oai:DiVA.org:kth-116665DiVA: diva2:599809
Conference
2012 9th International Symposium on Wireless Communication Systems, ISWCS 2012, 28 August 2012 through 31 August 2012, Paris
Note

QC 20130122

Available from: 2013-01-22 Created: 2013-01-22 Last updated: 2013-09-06Bibliographically approved

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Skoglund, Mikael

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Citation style
  • apa
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  • modern-language-association-8th-edition
  • vancouver
  • Other style
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
  • html
  • text
  • asciidoc
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