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Energy-Aware Opportunistic Mobile Data Offloading for Users in Urban Environments
KTH, School of Electrical Engineering (EES), Communication Networks. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-9176-3454
KTH, School of Electrical Engineering (EES), Communication Networks. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-3704-1338
2015 (English)In: IFIP Networking Conference (IFIP Networking), 2015, IEEE conference proceedings, 2015, p. 1-9Conference paper, Published paper (Refereed)
Abstract [en]

Opportunistic networking (a.k.a. device-to-device communication) is considered a feasible means for offloading mobile data traffic. Since mobile nodes are battery-powered, opportunistic networks must be expected to satisfy the user demand without greatly affecting battery lifetime. To address this requirement, this work introduces progressive selfishness, an adaptive and scalable energy-aware algorithm for opportunistic networks used in the context of mobile data offloading. The paper evaluates the performance of progressive selfishness in terms of both application throughput and energy consumption via extensive trace-driven simulations of realistic pedestrian behavior, and demonstrates that the proposed algorithm is robust against the distributions of node density and initial content availability. The results show that in certain scenarios progressive selfishness achieves up to 85% energy savings during opportunistic downloads while sacrificing less than 1% in application throughput. Furthermore, the study demonstrates that in terms of total energy consumption (by both cellular and opportunistic downloads) in dense environments the performance of progressive selfishness is comparable to downloading contents directly from a mobile network.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2015. p. 1-9
Keywords [en]
mobile data offloading, selfishness, duty cycling, energy savings, opportunistic networking
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-169629DOI: 10.1109/IFIPNetworking.2015.7145317ISI: 000380540300027Scopus ID: 2-s2.0-84942627344ISBN: 978-3-901882-68-5 (print)OAI: oai:DiVA.org:kth-169629DiVA, id: diva2:823689
Conference
IFIP Networking, 20-22 May 2015, Toulouse, France
Note

QC 20150811

Available from: 2015-06-18 Created: 2015-06-18 Last updated: 2016-09-02Bibliographically approved

Open Access in DiVA

fulltext(1946 kB)179 downloads
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Publisher's full textScopushttp://dl.ifip.org/db/conf/networking/networking2015/1570065623.pdfIEEEXploreConference website

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Kouyoumdjieva, Sylvia T.Karlsson, Gunnar
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