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Large-scale source localization with a wireless sensor network application
KTH, School of Electrical Engineering (EES), Automatic Control.
2011 (English)In: IFAC Proceedings Volumes: (IFAC-PapersOnline), 2011, no PART 1, 4278-4283 p.Conference paper (Refereed)
Abstract [en]

This paper concerns the problem of large-scale source localization arising when many potential sources must be classified as either active or inactive such that the probability of missing an active source is bounded. A new iterative heuristic called the Iterative Source Localization Procedure (ISLoP) is introduced that reduces the complexity of a source localization problem with J potential sources from 2 J to J per iteration, while also providing a local bounds on the maximum probability of a missed source. The ISLoP separates the source localization problem into a likelihood maximization problem followed by an active source localization problem. A diffusion example is used to demonstrate the performance of the ISLoP when compared to an estimation-based approach, where the heuristic is shown to have increasingly better performance as the bound on the maximum probability of a missed source is decreased. An experimental evaluation of the heuristic with respect to common wireless sensor networking errors is provided using a test bed implementation for a CO 2 sequestration site monitoring problem.

Place, publisher, year, edition, pages
2011. no PART 1, 4278-4283 p.
, IFAC Proceedings Volumes (IFAC-PapersOnline), ISSN 1474-6670 ; 18
Keyword [en]
Detection, Source localization, Stochastic processes, Wireless sensor networks, Experimental evaluation, Maximization problem, Maximum probability, Potential sources, Site monitoring, Wireless sensor, Carbon dioxide, Equipment testing, Error detection, Random processes, Maximum likelihood estimation
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-149793DOI: 10.3182/20110828-6-IT-1002.03232ScopusID: 2-s2.0-84866773300ISBN: 9783902661937OAI: diva2:741628
18th IFAC World Congress; Milano, Italy, 28 August 2011 - 2 September, 2011

QC 20140828

Available from: 2014-08-28 Created: 2014-08-27 Last updated: 2014-10-03Bibliographically approved

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Weimer, James E.
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