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On Measuring Available Bandwidth in Wireless Networks
Ericsson Research.
Mälardalen University, School of Innovation, Design and Engineering.ORCID iD: 0000-0002-2419-2735
2008 (English)In: Proceedings - Conference on Local Computer Networks, LCN, 2008, p. 861-868Conference paper, Published paper (Refereed)
Abstract [en]

BART is a state-of-the-art active end-to-end bandwidth measurement method that estimates not only the available bandwidth but also the link capacity of the bottleneck link. It uses a Kalman filter to give estimates in real time during a measurement session. In this paper, we have studied the impact of 802.11 networks on the bandwidth estimates produced by BART. The Kalman filter used by BART is tunable, and one of the contributions of this paper is to show how the Kalman filter should be adjusted to improve real-time tracking and estimation accuracy when the bottleneck is an 802.11 link. Further, the paper contributes by discussing how to interpret the estimates produced by BART and similar bandwidth estimation tools relying on self-induced congestion when used in wireless scenarios. An analysis show that the BART estimates produced are correct - but corresponds to a fair share of the wireless link rather than to the unused capacity. However, the estimates do indicate how much bandwidth an application or device in the wireless network can expect when sending and/or receiving network traffic.

Place, publisher, year, edition, pages
2008. p. 861-868
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:mdh:diva-9103DOI: 10.1109/LCN.2008.4664295Scopus ID: 2-s2.0-58049122541ISBN: 978-142442413-9 (print)OAI: oai:DiVA.org:mdh-9103DiVA, id: diva2:301676
Conference
33rd IEEE Conference on Local Computer Networks, LCN 2008; Montreal, AB; Canada; 14 October 2008 through 17 October 2008
Available from: 2010-03-03 Created: 2010-03-03 Last updated: 2014-05-22Bibliographically approved

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Björkman, Mats

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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
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  • asciidoc
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