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Round trip time estimation in communication networks using adaptive Kalman filtering
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0002-9368-3079
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0001-9940-5929
2004 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Heterogeneous communication networks with their variety of application demands, uncertain time-varying traffic load, and mixture of wired and wireless links pose several challenging problem in modeling and control. In this paper we focus on the roundtrip time (RTT), which is a particularly important variable for efficient end-to-end congestion control. Based on a simple aggregated model of the network, an algorithm combining a Kalmanfilter and a change detection algorithm is proposed for RTT estimation. It is illustrated on real data that this algorithm provides estimates of significantly better accuracy as compared to the RTT estimator currently used in TCP, especially in scenarios where new cross-trafficflows cause a bottle-neck link to rapidly build up a queue, which in turn induces rapid changes of the RTT.

Place, publisher, year, edition, pages
2004.
Keyword [en]
Estimation, TCP, Communication Networks, RTT
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-84219OAI: oai:DiVA.org:kth-84219DiVA: diva2:499246
Conference
Reglermöte, Gothenburg, Sweden
Note
Qc 20120221Available from: 2012-02-21 Created: 2012-02-13 Last updated: 2012-02-21Bibliographically approved

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Hjalmarsson, HåkanJohansson, Karl Henrik

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
  • text
  • asciidoc
  • rtf