Comparative theoretical analysis of distance estimation in visible light positioning systems

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buir.contributor.authorGezici, Sinan
dc.citation.epage865en_US
dc.citation.issueNumber3en_US
dc.citation.spage854en_US
dc.citation.volumeNumber34en_US
dc.contributor.authorKeskin, M. F.en_US
dc.contributor.authorGezici, Sinanen_US
dc.date.accessioned2018-04-12T10:43:15Z
dc.date.available2018-04-12T10:43:15Z
dc.date.issued2016en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractIn this paper, theoretical limits and estimators are studied for synchronous and asynchronous visible light positioning (VLP) systems. Specifically, the Cramér-Rao lower bounds (CRLBs) and maximum likelihood estimators are investigated for distance estimation based on time-of-arrival (TOA) and/or received signal strength (RSS) parameters. Hybrid TOA/RSS-based distance estimation is proposed for VLP systems, and its CRLB is compared analytically against the CRLBs of TOA-based and RSS-based distance estimation. In addition, to investigate the effects of sampling, asymptotic performance results are obtained under sampling rate limitations as the noise variance converges to zero. A modified hybrid TOA/RSS-based distance estimator is proposed to provide performance improvements in the presence of sampling rate limitations. Numerical examples are presented to illustrate the theoretical results. © 2015 IEEE.en_US
dc.description.provenanceMade available in DSpace on 2018-04-12T10:43:15Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 179475 bytes, checksum: ea0bedeb05ac9ccfb983c327e155f0c2 (MD5) Previous issue date: 2016en
dc.identifier.doi10.1109/JLT.2015.2504130en_US
dc.identifier.issn0733-8724
dc.identifier.urihttp://hdl.handle.net/11693/36525
dc.language.isoEnglishen_US
dc.publisherInstitute of Electrical and Electronics Engineers Inc.en_US
dc.relation.isversionofhttp://dx.doi.org/10.1109/JLT.2015.2504130en_US
dc.source.titleJournal of Lightwave Technologyen_US
dc.subjectCramér-Rao lower bounden_US
dc.subjectEstimationen_US
dc.subjectLambertian patternen_US
dc.subjectPositioningen_US
dc.subjectVisible lighten_US
dc.titleComparative theoretical analysis of distance estimation in visible light positioning systemsen_US
dc.typeArticleen_US

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