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Temporal Spectrum Sharing Based on Primary User Activity Prediction
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
Yonsei University.
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
2010 (English)In: IEEE Transactions on Wireless Communications, ISSN 1536-1276, E-ISSN 1558-2248, Vol. 9, no 12, 3848-3855 p.Article in journal (Refereed) Published
Abstract [en]

In this paper we investigate the opportunistic spectrum access in temporal domain where a secondary user shares a radio channel with a primary user during the OFF period of the primary user. We consider practical ON/OFF traffic models whose bursty natures are not properly described by a Markovian assumption. An optimal strategy to determine the transmission power of the secondary user is proposed, which can be adapted to any source traffic model of the primary user. This strategy will maximize the spectrum utilization of the secondary user while keeping interference violations to the primary user below a threshold. Numerical results show that the transmission power of the secondary user depends on the probability distribution of the primary traffic as well as the elapsed time of the OFF period.

Place, publisher, year, edition, pages
2010. Vol. 9, no 12, 3848-3855 p.
Keyword [en]
Opportunistic spectrum access, temporal spectrum sharing, transmission power control, traffic model
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-39365DOI: 10.1109/TWC.2010.101810.100433ISI: 000285244300026Scopus ID: 2-s2.0-78650210296OAI: oai:DiVA.org:kth-39365DiVA: diva2:439799
Projects
MODyS
Funder
VINNOVAWireless@kth
Available from: 2011-09-09 Created: 2011-09-09 Last updated: 2017-12-08Bibliographically approved

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Sung, Ki WonZander, Jens

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