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Hybrid cooperation through full-duplex opportunistic relaying and max-link relay selection with transmit power adaptation
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
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2014 (English)In: 2014 IEEE International Conference on Communications, ICC 2014, IEEE Computer Society, 2014, 5706-5711 p.Conference paper (Refereed)
Abstract [en]

In this work, we study a cooperative network with multiple full-duplex buffer-aided relays. A hybrid cooperative relaying policy is proposed that employs power adaptation and consists of two alternative schemes: (i) full-duplex transmission through the relay which requires the least total power expenditure and loop interference is mitigated through power adaptation; (ii) buffer-aided max - link selection with power adaptation, when full-duplexity is not feasible. Aiming to reduce the overhead of channel state information (CSI) acquisition and processing, we propose a suboptimal distributed method for relay selection, for which the network performance is not degraded significantly. We show that power adaptation offers reduced overhead of CSI acquisition. Numerical results and comparisons with other state-of-the-art relaying schemes are provided and performance evaluation in terms of throughput, power minimization and switching rate, show the benefits of the proposed hybrid scheme.

Place, publisher, year, edition, pages
IEEE Computer Society, 2014. 5706-5711 p.
Keyword [en]
buffer-aided relays, Cooperative networks, full-duplex, hybrid relay selection, opportunistic relaying
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-157915DOI: 10.1109/ICC.2014.6884231ScopusID: 2-s2.0-84906993281ISBN: 978-147992003-7OAI: diva2:772771
2014 1st IEEE International Conference on Communications, ICC 2014, 10 June 2014 through 14 June 2014, Sydney, NSW, Australia

QC 20141217

Available from: 2014-12-17 Created: 2014-12-17 Last updated: 2014-12-17Bibliographically approved

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Charalambous, ThemistoklisJohansson, Mikael
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Automatic ControlACCESS Linnaeus Centre
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