Cooperative proxies: Optimally trading energy and quality of service in mobile devices
2014 (English)In: Computer Networks, ISSN 1389-1286, E-ISSN 1872-7069, Vol. 75, no Part A, 297-312 p.Article in journal (Refereed) Published
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.
Place, publisher, year, edition, pages
Elsevier, 2014. Vol. 75, no Part A, 297-312 p.
Green networks, Mobile, Energy efficiency, User terminals, Wireless communication energy, Bandwidth sharing
IdentifiersURN: urn:nbn:se:liu:diva-114290DOI: 10.1016/j.comnet.2014.10.013ISI: 000347602900019OAI: oai:DiVA.org:liu-114290DiVA: diva2:788931
ProjectsSwedish national Graduate school in computer science (CUGS)