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Model Based Peer-to-Peer Estimator Over Wireless Sensor Networks with Lossy Channels
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0001-9810-3478
United Technologies Research Center.
2015 (English)In: Automatica, ISSN 0005-1098, E-ISSN 1873-2836, Vol. 61, 263-273 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, the design methods and fundamental performance analysis of an adaptive peer-to-peer estimator are established for networks exhibiting message losses. Based on a signal state model, estimates are locally computed at each node of the network by adaptively filtering neighboring nodes’ estimates and measurements communicated over lossy channels. The computation is based on a distributed optimization approach that guarantees the stability of the estimator while minimizing the estimation error variance. Fundamental performance limitations of the estimator are established based on the variance of the estimation error in relation to the message loss process. Numerical simulations validate the theoretical analysis and illustrate the performance with respect to other estimators.

Place, publisher, year, edition, pages
Elsevier, 2015. Vol. 61, 263-273 p.
Keyword [en]
Distributed estimation, Distributed Optimization, Wireless Sensor Networks
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-150441DOI: 10.1016/j.automatica.2015.08.003ScopusID: 2-s2.0-84943410788OAI: diva2:743411

QC 20151130

Available from: 2014-09-04 Created: 2014-09-04 Last updated: 2015-11-30Bibliographically approved

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