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Robust transmit strategies for multiantenna bidirectional broadcast channels
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-0036-9049
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: 2012 16th International ITG Workshop on Smart Antennas, WSA 2012, IEEE , 2012, 46-53 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this work the multiantenna bidirectional broadcast channel under channel uncertainty is studied. This problem is motivated by the broadcast phase of the decode-and-forward bidirectional relaying protocol, where a relay node establishes a bidirectional communication between two other nodes while having only imperfect channel state information available. Different uncertainty models are investigated, where the nominal channels experience either a multiplicative or additive perturbation based on a spectral norm constraint. For these uncertainty models the corresponding capacity regions of the multiantenna bidirectional broadcast channel are analyzed. Further, robust transmit strategies are characterized and worst-case perturbations are identified.

Place, publisher, year, edition, pages
IEEE , 2012. 46-53 p.
Keyword [en]
Bi-directional communication, Bi-directional Relaying, Broadcast channels, Capacity regions, Channel uncertainties, Decode-and-forward, Imperfect channel state information, Multi-antenna, Relay node, Spectral norms, Uncertainty models, Communication channels (information theory), Mobile telecommunication systems, Smart antennas, Uncertainty analysis, Broadcasting
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-98172DOI: 10.1109/WSA.2012.6181236Scopus ID: 2-s2.0-84860443740ISBN: 978-145771924-0 (print)OAI: oai:DiVA.org:kth-98172DiVA: diva2:536808
Conference
2012 16th International ITG Workshop on Smart Antennas, WSA 2012;Dresden;7 March 2012 through 8 March 2012
Funder
ICT - The Next Generation
Note

QC 20120625

Available from: 2012-06-25 Created: 2012-06-20 Last updated: 2013-04-15Bibliographically approved

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Oechtering, TobiasSkoglund, Mikael

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CiteExportLink to record
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  • apa
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