Cooperative proxies: Optimally trading energy and quality of service in mobile devices

Bianzino, Aruna PremLinköpings universitet,Programvara och system,Tekniska högskolan,Real-time Systems Laboratory (author)

This work studies the energy and quality of service (QoS) trade-off in the context of mobile devices with two communication interfaces (a high energy and a low energy interface). We propose an optimisation scheme during underload scenarios where proxy groups are dynamically formed exploiting both interfaces. The scheme integrates a reward mechanism that compensates a proxy while carrying other group members’ traffic, and deals with churn (joining and leaving of nodes) in a cell area. For traffic flows that approximate knowledge about current services we show that the scheme can achieve energy savings of 60% for all mobile nodes as whole. We also demonstrate the impact on disruption-sensitive flows as a function of the traffic mix, and that the use of rewards for selection of proxies is a fair mechanism in the long term.

Asplund, Mikael,1981-Linköpings universitet,Programvara och system,Tekniska högskolan,Real-time Systems Laboratory(Swepub:liu)mikas34 (author)
Vergara Alonso, Ekhiotz JonLinköpings universitet,Programvara och system,Tekniska högskolan,Real-time Systems Laboratory(Swepub:liu)ekhve37 (author)
Nadjm-Tehrani, SiminLinköpings universitet,Programvara och system,Tekniska högskolan,Real-time Systems Laboratory(Swepub:liu)simna73 (author)
Linköpings universitetProgramvara och system (creator_code:org_t)

By the author/editor: Bianzino, Aruna ...; Asplund, Mikael, ...; Vergara Alonso, ...; Nadjm-Tehrani, S ...

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NATURAL SCIENCES: NATURAL SCIENCES; and Computer and Inf ...; and Computer Science ...

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