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On the scalability of cognitive radio:: Assessing the commercial viability of secondary spectrum access
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Radio Systems Laboratory (RS Lab). KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth.ORCID iD: 0000-0003-4986-6123
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-7182-9543
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Radio Systems Laboratory (RS Lab).ORCID iD: 0000-0001-7642-3067
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2013 (English)In: IEEE wireless communications, ISSN 1536-1284, E-ISSN 1558-0687, Vol. 20, no 2, 28-35 p.Article in journal (Refereed) Published
Abstract [en]

We report results from the recently finished QUASAR project, which has studied overall system aspects of cognitive radio technologies and has paid attention particularly to the economic viability of different use cases. We find that successful secondary sharing goes far beyond the detection of spectrum holes. Large-scale commercial success requires that secondary systems are scalable so that a large number of users can be served in an economically viable fashion. Our key finding is that secondary spectrum use is not an attractive method for most of the commercially interesting scenarios, from neither a business nor technical perspective. Perhaps somewhat surprisingly, the likely commercial "sweet spot" for secondary sharing in the lower frequency bands is short-range indoor communications. We also find that regulation does not currently present a significant barrier in Europe or the United States.

Place, publisher, year, edition, pages
2013. Vol. 20, no 2, 28-35 p.
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-123432DOI: 10.1109/MWC.2013.6507391ISI: 000318518300006Scopus ID: 2-s2.0-84877745509OAI: oai:DiVA.org:kth-123432DiVA: diva2:626931
Projects
QUASAR
Funder
EU, FP7, Seventh Framework Programme, INFSO-ICT-248303Wireless@kth
Note

QC 20150626

Available from: 2013-06-10 Created: 2013-06-10 Last updated: 2017-12-06Bibliographically approved

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Zander, JensRasmussen, Lars K.Sung, Ki Won

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Radio Systems Laboratory (RS Lab)Center for Wireless Systems, Wireless@kthCommunication TheoryACCESS Linnaeus Centre
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IEEE wireless communications
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