Improved NLOS Error Mitigation Based on LTS Algorithm

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dc.contributor.authorKhodjaev, Jasurbek
dc.contributor.authorTedesco, Salvatore
dc.contributor.authorO'Flynn, Brendan
dc.contributor.funderSeventh Framework Programmeen
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderEuropean Regional Development Funden
dc.date.accessioned2020-03-16T16:06:34Z
dc.date.available2020-03-16T16:06:34Z
dc.date.issued2016
dc.date.updated2020-03-16T15:58:11Z
dc.description.abstractA new improved Least Trimmed Squares (LTS) based algorithm for Non-line-of sight (NLOS) error mitigation is proposed for indoor localisation systems. The conventional LTS algorithm has hard threshold to decide the final set of base stations (BSs) to be used in position calculations. When the number of Line of Sight (LOS) base stations is more than the number of NLOS BSs the conventional LTS algorithm does not include some of them in position estimation due to principle of LTS algorithm or under heavy NLOS environments it cannot separate least biased BSs to use. To improve the performance of the conventional LTS algorithm in dynamic environments we have proposed a method that selects BSs for position calculation based on ordered residuals without discarding half of the BSs. By choosing a set of BSs which have least residual errors among all combinations as a final set for position calculation, we were able to decrease the localisation error of the system in dynamic environments. We demonstrate the robustness of the new improved method based on computer simulations under realistic channel environments.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationKhodjaev, J., Tedesco, S., and O'Flynn, Brendan (2016) 'Progress In Electromagnetics Research Letters', Progress In Electromagnetics Research Letters, 58, pp. 133-139. doi: 10.2528/PIERL15100103en
dc.identifier.doi10.2528/PIERL15100103en
dc.identifier.endpage139en
dc.identifier.issn1937-6480
dc.identifier.journaltitleProgress In Electromagnetics Research Lettersen
dc.identifier.startpage133en
dc.identifier.urihttps://hdl.handle.net/10468/9766
dc.identifier.volume58en
dc.language.isoenen
dc.publisherElectromagnetics Academyen
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/13/RC/2077/IE/CONNECT: The Centre for Future Networks & Communications/en
dc.relation.projectinfo:eu-repo/grantAgreement/EC/FP7::SP1::SP1-JTI/621272/EU/Sensor technologies enhanced safety and security of buildings and its occupants/SAFESENSen
dc.relation.urihttp://www.jpier.org/PIERL/pier.php?paper=15100103
dc.rights© 2016en
dc.subjectLocation based servicesen
dc.subjectLocalisation algorithmen
dc.subjectLeast Trimmed Squares (LTS)en
dc.subjectLTS algorithmen
dc.titleImproved NLOS Error Mitigation Based on LTS Algorithmen
dc.typeArticle (peer-reviewed)en
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