Sparse Localization with a Mobile Beacon Based on LU Decomposition in Wireless Sensor Networks

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dc.contributor.authorZhao, Chunhui
dc.contributor.authorXu, Yunlong
dc.contributor.authorHuang, Hui
dc.coverage.issue3cs
dc.coverage.volume24cs
dc.date.accessioned2015-10-26T08:05:44Z
dc.date.available2015-10-26T08:05:44Z
dc.date.issued2015-09cs
dc.description.abstractNode localization is the core in wireless sensor network. It can be solved by powerful beacons, which are equipped with global positioning system devices to know their location information. In this article, we present a novel sparse localization approach with a mobile beacon based on LU decomposition. Our scheme firstly translates node localization problem into a 1-sparse vector recovery problem by establishing sparse localization model. Then, LU decomposition pre-processing is adopted to solve the problem that measurement matrix does not meet the re¬stricted isometry property. Later, the 1-sparse vector can be exactly recovered by compressive sensing. Finally, as the 1-sparse vector is approximate sparse, weighted Cen¬troid scheme is introduced to accurately locate the node. Simulation and analysis show that our scheme has better localization performance and lower requirement for the mobile beacon than MAP+GC, MAP-M, and MAP-M&N schemes. In addition, the obstacles and DOI have little effect on the novel scheme, and it has great localization performance under low SNR, thus, the scheme proposed is robust.en
dc.formattextcs
dc.format.extent739-748cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2015 vol. 24, č. 3, s. 739-748. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2015.0739en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/51740
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2015/15_03_0739_0748.pdfcs
dc.rightsCreative Commons Attribution 3.0 Unported Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectWireless sensor networken
dc.subjectmobile beaconen
dc.subjectlocalizationen
dc.subjectLU decompositionen
dc.subjectcompressive sensingen
dc.titleSparse Localization with a Mobile Beacon Based on LU Decomposition in Wireless Sensor Networksen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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