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Coexistence of Wi-Fi and Cellular With Listen-Before-Talk in Unlicensed Spectrum
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.ORCID iD: 0000-0001-7642-3067
2016 (English)In: IEEE Communications Letters, ISSN 1089-7798, E-ISSN 1558-2558, Vol. 20, no 1, 161-164 p.Article in journal (Refereed) PublishedText
Abstract [en]

In this letter, we analyze the coexistence performance of Wi-Fi and cellular networks with different listen-before-talk (LBT) procedures in the unlicensed spectrum. For this analysis, the behavior of a cellular base station is modeled as a Markov chain that is combined with Bianchi's Markov model depicting the behavior of a Wi-Fi access point. The proposed mathematical framework finds the optimal contention window size of cellular base stations, which maximizes the total throughput of both networks while satisfying the required throughput of each network. Numerical results show the validity of adjustment in the parameter of LBT.

Place, publisher, year, edition, pages
IEEE , 2016. Vol. 20, no 1, 161-164 p.
Keyword [en]
Cellular small cells, coexistence, listen-before-talk (LBT), unlicensed spectrum, Wi-Fi
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URN: urn:nbn:se:kth:diva-183343DOI: 10.1109/LCOMM.2015.2504509ISI: 000369991000040ScopusID: 2-s2.0-84959323132OAI: diva2:910069

QC 20160308

Available from: 2016-03-08 Created: 2016-03-07 Last updated: 2016-03-19Bibliographically approved

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Sung, Ki Won
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