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MAC Protocol Design of Frequency Domain Contention Using of DM Subcarriers
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Publication Year
2019-02-25
Journal
2019 16th IEEE Annual Consumer Communications and Networking Conference, CCNC 2019
Publisher
Institute of Electrical and Electronics Engineers Inc.
Citation
2019 16th IEEE Annual Consumer Communications and Networking Conference, CCNC 2019
Keyword
Frequency domain contentionMAC protocolOFDM subcarrierSubcarrier map
Mesh Keyword
Access pointsBroadcasting methodsFrequency domainsMAC protocolMAC protocol designMathematical analysisPerformance of systemsSubcarrier
All Science Classification Codes (ASJC)
Electrical and Electronic EngineeringComputer Networks and Communications
Abstract
Time domain contention used in IEEE 802.11 has many overhead. To decrease the overhead, many frequency domain contention MAC protocols were proposed. However, to maximize the performance of system, the number of users who transmit data with a contention should increase. In this paper, we propose a subcarrier map broadcasting method. Access point (AP) broadcasts a subcarrier map including information about status of subcarriers. By broadcasting subcarrier map, more users can transmit data with a contention. We also propose the algorithm that changes the number of users who participate in a contention. The total throughput of the proposed MAC protocol with algorithm is not reduced while that without algorithm is reduced, as the number of users increases. We analyze total, uplink throughput of the proposed MAC protocol. We also compare throughput of the proposed MAC protocol between with and without algorithm. Mathematical analysis validate with simulation results. The proposed MAC protocol and algorithm improve throughput of system.
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/36421
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85063520886&origin=inward
DOI
https://doi.org/10.1109/ccnc.2019.8651858
Journal URL
http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=8648166
Type
Conference
Funding
This work has been supported by the Future Combat System Network Technology Research Center program of Defense Acquisition Program Administration and Agency for Defense Development. (UD160070BD)
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Kim, Jae-Hyun김재현
Department of Electrical and Computer Engineering
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