URICA: Usage-awaRe Interactive Content Adaptation for mobile devices
Proceedings of the 1st ACM SIGOPS/EuroSys European Conference on Computer Systems 2006
A QoS-Aware and Energy-Conserving Transcoding Proxy Using On-Demand Data Broadcasting
IEEE Transactions on Mobile Computing
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Opportunistic link overbooking for resource efficiency under per-flow service guarantee
IEEE Transactions on Communications
Reducing system level power consumption for mobile and embedded platforms
ARCS'05 Proceedings of the 18th international conference on Architecture of Computing Systems conference on Systems Aspects in Organic and Pervasive Computing
An efficient frequency scaling approach for energy-aware embedded real-time systems
ARCS'05 Proceedings of the 18th international conference on Architecture of Computing Systems conference on Systems Aspects in Organic and Pervasive Computing
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In distributed systems, transcoding techniques have beenused to customize multimedia objects, utilizing trade-offsbetween the quality and sizes of these objects to provide differentiatedservices to clients. Our research uses transcodingtechniques in wireless systems to customize videostreams to the requirements of users, while minimizingthe energy costs. We introduce an approach to dynamicallydetermine which transcoders to execute and whereto execute them (e.g., client or server). The goal is to selectappropriate transcoders (a) to provide clients with thequality of service they desire while (b) minimizing the energyconsumption of the end-hosts in accordance withapplication-specific global energy management directives.This paper investigates sample transcoder functionsfor video streaming on handheld devices and introducesa mechanism for selecting the most appropriatetranscoders and transcoder parameters.