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Opportunistic secondary spectrum access-opportunities and limitations
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth.ORCID iD: 0000-0003-4986-6123
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth.ORCID iD: 0000-0001-7642-3067
2011 (English)In: 2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011, 2011Conference paper, Published paper (Refereed)
Abstract [en]

Dynamic spectrum sharing technique ( #x201C;Cognitive Radio #x201D;) where secondary users opportunistically utilize temporarily or locally unused spectrum has emerged as a prime candidate technology to relieve the perceived spectrum shortage. Making a realistic assessment of the amount of spectrum available for secondary services is the objective of the EU FP7 QUASAR project. In the project it is found to be fundamentally difficult to reliably determine which part of the spectrum is available, which leads to large safety margins consequently to poor spectrum utilization. Further, the business success of future systems depends on the scalability of the secondary access techniques. Also, the vast majorities of spectrum opportunities are highly localized in time and spaces and strongly dependent on the intended use such that they defy common models for spectrum trading.

Place, publisher, year, edition, pages
2011.
Keyword [en]
EU FP7 QUASAR project;cognitive radio;dynamic spectrum sharing;opportunistic secondary spectrum access-opportunities;spectrum trading;spectrum utilization;cognitive radio;radio spectrum management;
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-50765DOI: 10.1109/URSIGASS.2011.6050723Scopus ID: 2-s2.0-81255198787ISBN: 978-142445117-3 (print)OAI: oai:DiVA.org:kth-50765DiVA: diva2:462624
Conference
2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011. Istanbul. 13 August 2011 - 20 August 2011
Projects
QUASAR (FP7 STREP)
Funder
Wireless@kthEU, FP7, Seventh Framework Programme
Note

QC 20111208

Available from: 2011-12-07 Created: 2011-12-07 Last updated: 2014-01-17Bibliographically approved

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Authority records BETA

Zander, JensSung, Ki Won

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