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Joint multipath rate control and scheduling for SVC streams in wireless mesh networks
KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0002-1934-7421
2014 (English)In: International Journal of Ad Hoc and Ubiquitous Computing, ISSN 1743-8225, E-ISSN 1743-8233, Vol. 15, no 4, 239-251 p.Article in journal (Refereed) Published
Abstract [en]

Rate adaptation of video signal for different quality-of-service scenarios through scalable video coding (SVC) standard has been considered as a key feature for multimedia transmission. This paper addresses joint multipath rate control and scheduling for SVC-encoded video transmission over wireless mesh networks (WMNs). Each video stream is assumed to use multipath routing and to possess a staircase utility function. Using the conflict graph that represents the interference-limited model, we formulate the problem as one of maximising the sum of source utilities subject to transport and link layers constraints. The multipath routing over wireless channels and staircase utilities yield a non-convex optimisation problem. To attain a convex formulation, we adopt multimodal sigmoid approximation and exploit utility-proportional fairness approach. Then, employing dual decomposition, we devise a distributed algorithm for joint multipath rate control and scheduling in WMNs. Experiments validate the effectiveness of our endeavor toward achieving cross-layer optimisation for video transmission in WMNs.

Place, publisher, year, edition, pages
2014. Vol. 15, no 4, 239-251 p.
Keyword [en]
wireless mesh networks, SVC, scalable video coding, multipath rate control, scheduling, cross-layer optimisation, convex optimisation
National Category
Telecommunications Computer and Information Science
Identifiers
URN: urn:nbn:se:kth:diva-148183DOI: 10.1504/IJAHUC.2014.061001ISI: 000338418100002Scopus ID: 2-s2.0-84901595949OAI: oai:DiVA.org:kth-148183DiVA: diva2:736124
Note

QC 20140805

Available from: 2014-08-05 Created: 2014-08-04 Last updated: 2017-12-05Bibliographically approved

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Talebi, Mohammad Sadegh

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CiteExportLink to record
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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
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf