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Memory Management for Multimedia Quality of Service in Resource Constrained Embedded Systems
Eindhoven University of Technology, Netherlands.
Eindhoven University of Technology, Netherlands.
Eindhoven University of Technology, Netherlands. (IS (Embedded Systems))ORCID iD: 0000-0001-6234-5117
Eindhoven University of Technology, Netherlands.
2010 (English)In: Proceedings of the 15th IEEE International Conference on Emerging Technologies and Factory Automation, ETFA 2010, 2010Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, we consider multimedia Quality-of-Service (QoS) in resource constrained embedded systems, where scalable applications are structured as directed acyclic graphs of tasks, which communicate via shared buffers. Scalable multimedia applications allow to trade quality for resource usage during run-time. We present two QoS problems: (i) temporal dependencies between subchains of tasks due to a common predecessor, and (ii) mode change latency in applications. These problems are addressed through advanced memory management techniques. For the first problem, it is shown how additional access to the buffer, in particular the support for dropping selected frames, allows to guarantee the Quality of Service of the application during overload conditions, preventing congestion in one buffer to propagate across the whole application. For the latter problem, the approach of in-buffer scaling is applied to reduce the mode change latency in scalable multimedia processing applications, which can adapt their memory requirements during runtime according to a set of predefined modes. The latter approach is validated with simulation results.

Place, publisher, year, edition, pages
2010.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:mdh:diva-23583DOI: 10.1109/ETFA.2010.5641322Scopus ID: 2-s2.0-78650566604ISBN: 9781424468508 (print)OAI: oai:DiVA.org:mdh-23583DiVA, id: diva2:679699
Conference
15th IEEE International Conference on Emerging Technologies and Factory Automation, ETFA 2010; Bilbao; Spain; 13 September 2010 through 16 September 2010
Available from: 2013-12-16 Created: 2013-12-16 Last updated: 2013-12-19Bibliographically approved

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Bril, Reinder J.

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CiteExportLink to record
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Citation style
  • apa
  • 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