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Harvest-use cooperative networks with half/full-duplex relaying
KTH, School of Electrical Engineering (EES), Signal Processing.ORCID iD: 0000-0003-2298-6774
2013 (English)In: 2013 IEEE Wireless Communications and Networking Conference (WCNC), IEEE Communications Society, 2013, 4256-4260 p.Conference paper, Published paper (Refereed)
Abstract [en]

Harvest-use (HU) is an energy harvesting (EH) architecture where the received energy cannot be stored and immediately must be consumed in order to maintain operability. Due to its current limited application interest, this architecture has not yet been examined in the literature and its deployment to communication system is an open problem. This paper deals with the application of HU architecture to communication systems and investigates cooperative protocols where the relay node has HU capabilities. We show that HU relaying introduces a trade-off between EH time and relaying (data communication) time; this trade-off is discussed for two fundamental relaying policies a) Amplify-and-forward (AF) with half-duplex (HD) relaying and b) AF with full-duplex (FD) relaying. The optimal time split is formulated as an optimization problem and an approximation is given in a closed form. Numerical results show that FD outperforms HD and is introduced as an efficient relaying policy for HU cooperative systems.

Place, publisher, year, edition, pages
IEEE Communications Society, 2013. 4256-4260 p.
Series
IEEE Wireless Communications and Networking Conference, WCNC, ISSN 1525-3511
Keyword [en]
Energy harvesting, fading channel, full-duplex relaying, harvest-use architecture, relay channel
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-133853DOI: 10.1109/WCNC.2013.6555261Scopus ID: 2-s2.0-84881565337ISBN: 978-146735939-9 (print)OAI: oai:DiVA.org:kth-133853DiVA: diva2:663720
Conference
2013 IEEE Wireless Communications and Networking Conference, WCNC 2013; Shanghai; China; 7 April 2013 through 10 April 2013
Note

QC 20131112

Available from: 2013-11-12 Created: 2013-11-11 Last updated: 2013-11-12Bibliographically approved

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Ottersten, Björn

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CiteExportLink to record
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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
  • rtf