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Target location based sink positioning in wireless sensor networks
University of Piraeus.
University of Piraeus.
KTH, School of Electrical Engineering (EES), Communication Networks. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-2764-8099
2011 (English)In: 2011 18th International Conference on Telecommunications, ICT 2011, 2011, 21-26 p.Conference paper (Refereed)
Abstract [en]

One of the main challenges in wireless sensor networks is to prolong the network lifetime by efficiently handling the limited battery life of the nodes. This problem becomes harder in applications where the nodes are randomly dropped in the field. In this paper we deal with the problem of the sink placement and of the network longevity, assuming a number of points in the field with known positions which must be covered by the sensors. Unlike other approaches, we consider the more realistic scenario where the coordinates of the sensors are not assumed to be known in advance and, thus, they cannot be used for the computation of the positions of the sinks. We present two solutions for the above problem; one based on the distance between the points and the second on the probability that a sensor may cover many points. We evaluate our approaches and compare them to algorithms that use the knowledge of the positions of the sensors in order to compute likely sink locations. It is shown that both proposed approaches present similar or better performance concerning network lifetime, while at the same time they significantly decrease the algorithm complexity.

Place, publisher, year, edition, pages
2011. 21-26 p.
National Category
URN: urn:nbn:se:kth:diva-53568DOI: 10.1109/CTS.2011.5898923ScopusID: 2-s2.0-79960895194ISBN: 978-145770024-8OAI: diva2:470357
2011 18th International Conference on Telecommunications, ICT 2011. Ayia Napa. 8 May 2011 - 11 May 2011
ICT - The Next Generation
QC 20120103Available from: 2011-12-28 Created: 2011-12-28 Last updated: 2012-01-03Bibliographically approved

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Fodor, Viktoria
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Communication NetworksACCESS Linnaeus Centre

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