Presentation 2013-03-14
Proposal and Evaluation of Priority Control Method on Per-Flow Basis Based on Bandwidth Utilization to Keep Response Time Within a Certain Threshold
Keiya ISHIKAWA, Yuzo TAENAKA, Masaya NAKAYAMA,
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Abstract(in English) Multiple data flows sharing limited bandwidth cause communication delay in communication networks. In particular it is important to deal with such a problem in the wireless LAN environments, since many terminals associate with the same access point within limited time span. In this paper, a method to increase the number of flows within response time threshold in congested wireless LAN is proposed. The method controls flow priority by calculating the bandwidth utilization ratio required to complete the download within certain time threshold. The ratio value is obtained through monitoring the transmitted data and elapsed time of transmission. In regular environment, where priority method is not applied, the ratio of flows completing the transmission within the threshold is below 50% of the total number of flows. According to the QualNet simulation results, the proposed priority method can raise this ratio to more than 80%.
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Keyword(in English) Response Time / Priority Control / Bandwidth Utilization Ratio / Wireless LAN
Paper # SITE2012-59,IA2012-97
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Committee SITE
Conference Date 2013/3/7(1days)
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Registration To Social Implications of Technology and Information Ethics (SITE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Proposal and Evaluation of Priority Control Method on Per-Flow Basis Based on Bandwidth Utilization to Keep Response Time Within a Certain Threshold
Sub Title (in English)
Keyword(1) Response Time
Keyword(2) Priority Control
Keyword(3) Bandwidth Utilization Ratio
Keyword(4) Wireless LAN
1st Author's Name Keiya ISHIKAWA
1st Author's Affiliation School of Engineering, The University of Tokyo()
2nd Author's Name Yuzo TAENAKA
2nd Author's Affiliation Information Technology Center, The University of Tokyo
3rd Author's Name Masaya NAKAYAMA
3rd Author's Affiliation Information Technology Center, The University of Tokyo
Date 2013-03-14
Paper # SITE2012-59,IA2012-97
Volume (vol) vol.112
Number (no) 488
Page pp.pp.-
#Pages 6
Date of Issue