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Cooperative proxies: Optimally trading energy and quality of service in mobile devices
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- Bianzino, Aruna Prem (author)
- Linköpings universitet,Programvara och system,Tekniska högskolan,Real-time Systems Laboratory
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- Asplund, Mikael, 1981- (author)
- Linköpings universitet,Programvara och system,Tekniska högskolan,Real-time Systems Laboratory
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- Vergara Alonso, Ekhiotz Jon (author)
- Linköpings universitet,Programvara och system,Tekniska högskolan,Real-time Systems Laboratory
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- (creator_code:org_t)
- Elsevier, 2014
- 2014
- English.
- In: Computer Networks. - : Elsevier. - 1389-1286 .- 1872-7069. ; 75:Part A, s. 297-312
- Journal article (peer-reviewed)
Abstract
Subject headings
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- 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.
Subject headings
- NATURVETENSKAP -- Data- och informationsvetenskap -- Datavetenskap (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Computer Sciences (hsv//eng)
Keyword
- Green networks
- Mobile
- Energy efficiency
- User terminals
- Wireless communication energy
- Bandwidth sharing
Publication and Content Type
- ref (subject category)
- art (subject category)
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