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Constant bandwidth supply for priority processing
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 .
2011 (Engelska)Ingår i: IEEE transactions on consumer electronics, ISSN 0098-3063, Vol. 57, nr 2, 873-881 s.Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Today's consumer electronic devices feature multiple applications which have to share scarcely available resources. We consider a priority-processing- based video application, which comprises multiple scalable video algorithms (SVAs) that are executed on a shared, virtual platform. This application is given a guaranteed processor share by means of a constant-bandwidth server (CBS). A decision scheduler distributes the assigned processor share among the SVAs on a time-slot basis, with the aim to maximize their overall output quality. To correctly distribute this processor share based on fixed-sized time slots, we introduce the concept of a virtual timer. This timer only advances when its associated virtual platform is executing. Because priority processing can guarantee real-time performance even under fluctuating load, we apply a resource reclaiming mechanism to our CBS which makes it possible to efficiently exploit spare processor time.

Ort, förlag, år, upplaga, sidor
2011. Vol. 57, nr 2, 873-881 s.
Nationell ämneskategori
Teknik och teknologier
Identifikatorer
URN: urn:nbn:se:mdh:diva-23587DOI: 10.1109/TCE.2011.5955235ISI: 000293728700078Scopus ID: 2-s2.0-79960920549OAI: oai:DiVA.org:mdh-23587DiVA: diva2:679682
Tillgänglig från: 2013-12-16 Skapad: 2013-12-16 Senast uppdaterad: 2014-06-19Bibliografiskt granskad

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Bril, Reinder J.
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