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Energy savings in opportunistic networks
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
2014 (English)In: 11th Annual Conference on Wireless On-Demand Network Systems and Services, IEEE/IFIP WONS 2014 - Proceedings, IEEE Computer Society, 2014, 57-64 p.Conference paper, Published paper (Refereed)
Abstract [en]

A major challenge in mobile wireless devices for opportunistic networks is to minimize the energy consumption. The minimization however should not come at a cost of reduced application throughput (i.e. goodput). This work evaluates the potential performance gains for mobile nodes that adopt a duty-cycling scheme in an opportunistic context. We present an analytical framework for evaluating the energy consumption of nodes based on a probabilistic estimation of effective contact durations, and we validate this framework on a mobility sce-nario. We further perform extensive trace-driven simulations and demonstrate that a duty-cycling scheme considerably improves the performance of opportunistic content distribution systems by decreasing the energy consumption without significantly affecting the goodput.

Place, publisher, year, edition, pages
IEEE Computer Society, 2014. 57-64 p.
Keyword [en]
Energy utilization, Content distribution systems, Effective contact, Mobile nodes, Mobile wireless devices, Opportunistic networks, Performance Gain, Probabilistic estimation, Trace driven simulation
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-146690DOI: 10.1109/WONS.2014.6814722ISI: 000355532200008Scopus ID: 2-s2.0-84901362787ISBN: 978-1-4799-4937-3 (print)OAI: oai:DiVA.org:kth-146690DiVA: diva2:724854
Conference
11th Annual Conference on Wireless On-Demand Network Systems and Services, IEEE/IFIP WONS 2014; Obergurgl; Austria; 2 April 2014 through 4 April 2014
Note

QC 20140613

Available from: 2014-06-13 Created: 2014-06-13 Last updated: 2015-06-26Bibliographically approved

Open Access in DiVA

fulltext(207 kB)39 downloads
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Kouyoumdjieva, Sylvia TodorovaKarlsson, Gunnar

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  • apa
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