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Opportunistic relay selection for cooperative networks with buffers
KTH, School of Electrical Engineering (EES), Automatic Control.
2012 (English)In: Communications (ICC), 2012 IEEE International Conference on, IEEE , 2012, 5578-5582 p.Conference paper (Refereed)
Abstract [en]

In this paper, a relay selection policy is proposed that fully exploits the flexibility offered by the buffering ability of the relay nodes in order to maximize the achieved diversity gain. The suggested scheme incorporates the instantaneous strength of the wireless links as well as the status of the finite relay buffers and the relay selection decision is based on the strongest available link. Hence the switching occurs dynamically between relay reception and transmission. We show that the proposed relay selection scheme significantly outperforms conventional relay selection policies for all cases and ensures a diversity gain equal to two times the number of relays for large buffer sizes.

Place, publisher, year, edition, pages
IEEE , 2012. 5578-5582 p.
, IEEE International Conference on Communications, ISSN 1550-3607
National Category
Communication Systems
URN: urn:nbn:se:kth:diva-116195DOI: 10.1109/ICC.2012.6364675ScopusID: 2-s2.0-84871975021ISBN: 978-145772052-9OAI: diva2:588942
2012 IEEE International Conference on Communications, ICC 2012, 10 June 2012 through 15 June 2012, Ottawa, ON

QC 20130116

Available from: 2013-01-16 Created: 2013-01-16 Last updated: 2013-01-16Bibliographically approved

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Charalambous, Themistoklis
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