Coexistence of Wi-Fi and Cellular With Listen-Before-Talk in Unlicensed Spectrum

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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.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2016-01
Language
English
Article Type
Article
Citation

IEEE COMMUNICATIONS LETTERS, v.20, no.1, pp.161 - 164

ISSN
1089-7798
DOI
10.1109/LCOMM.2015.2504509
URI
http://hdl.handle.net/10203/208005
Appears in Collection
EE-Journal Papers(저널논문)
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