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On combined beamforming and OSTBC over the cognitive radio Z-channel with partial CSI
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
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-7182-9543
2012 (English)In: Communications (ICC), 2012 IEEE International Conference on, IEEE , 2012, 2380-2384 p.Conference paper, Published paper (Refereed)
Abstract [en]

We consider a pair of secondary nodes (SU) coupled, in Z-topology, with multiple pairs of primary nodes (PU). The secondary (cognitive) transmitter is combining beamforming with orthogonal space-time block coding (BOSTBC) and operates under Quality-of-Service (QoS) constraints that must be guaranteed for the primary receivers (PURx). The cognitive link is designed assuming imperfect channel state information (CSI) for all links, available at the SU transmitter (SUTx). Under this premise we characterize the optimal design in terms of CSI quality and interference and evaluate their impact on the performance of BOSTBC transmission in underlay cognitive networks.

Place, publisher, year, edition, pages
IEEE , 2012. 2380-2384 p.
Series
IEEE International Conference on Communications, ISSN 1550-3607
Keyword [en]
Beamforming, cognitive Z-channel, space-time coding
National Category
Communication Systems Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-107892DOI: 10.1109/ICC.2012.6363823ISI: 000312855702136Scopus ID: 2-s2.0-84871942720ISBN: 978-145772052-9 (print)OAI: oai:DiVA.org:kth-107892DiVA: diva2:578629
Conference
2012 IEEE International Conference on Communications, ICC 2012; Ottawa, ON; 10 June 2012 through 15 June 2012
Funder
EU, FP7, Seventh Framework Programme, INFSO-ICT-248303 QUASAR
Note

QC 20130116

Available from: 2012-12-18 Created: 2012-12-18 Last updated: 2013-02-21Bibliographically approved

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Skoglund, MikaelRasmussen, Lars K.

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CiteExportLink to record
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  • apa
  • harvard1
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