Nonsaturated Throughput Analysis of Coexistence of Wi-Fi and Cellular With Listen-Before-Talk in Unlicensed Spectrum SCIE SCOPUS

Cited 3 time in WEB OF SCIENCE Cited 5 time in Scopus
Title
Nonsaturated Throughput Analysis of Coexistence of Wi-Fi and Cellular With Listen-Before-Talk in Unlicensed Spectrum
Author(s)
Kim, Yongjae; Song, Yujae; Choi, Yonghoon; Han, Youngnam
KIOST Author(s)
Song, Yu Jae(송유재)
Publication Year
2017-12
Abstract
This paper analyzes the coexistence performance of Wi-Fi and cellular networks conditioned on nonsaturated traffic in the unlicensed spectrum. Under the condition, the time-domain behavior of a cellular small-cell base station (SCBS) with a listen-before-talk (LBT) procedure is modeled as a Markov chain, and it is combined with a Markov chain which describes the time-domain behavior of a Wi-Fi access point. Using the proposed model, this study finds the optimal contention window size of cellular SCBSs in which total throughput of both networks is maximized while satisfying the required throughput of each network, under the given traffic densities of both networks. This will serve as a guideline for cellular operators with respect to performing LBT at cellular SCBSs according to the changes of traffic volumes of both networks over time.
ISSN
0018-9545
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/1107
DOI
10.1109/TVT.2017.2734109
Bibliographic Citation
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v.66, no.12, pp.11425 - 11429, 2017
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Subject
DISTRIBUTED COORDINATION FUNCTION
Keywords
Coexistence; licensed-assisted access (LAA); nonsaturated traffic; unlicensed spectrum; Wi-Fi
Type
Article
Language
English
Document Type
Article
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Related Researcher
Research Interests

Maritime 5G and B5G,Maritime IoT,Deep reinforcement learning and its maritime applications,차세대 해양통신,해양 IoT,심층강화학습 및 해양통신 적용

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