Comparative theoretical analysis of distance estimation in visible light positioning systems
buir.contributor.author | Gezici, Sinan | |
dc.citation.epage | 865 | en_US |
dc.citation.issueNumber | 3 | en_US |
dc.citation.spage | 854 | en_US |
dc.citation.volumeNumber | 34 | en_US |
dc.contributor.author | Keskin, M. F. | en_US |
dc.contributor.author | Gezici, Sinan | en_US |
dc.date.accessioned | 2018-04-12T10:43:15Z | |
dc.date.available | 2018-04-12T10:43:15Z | |
dc.date.issued | 2016 | en_US |
dc.department | Department of Electrical and Electronics Engineering | en_US |
dc.description.abstract | In 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.provenance | Made 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: 2016 | en |
dc.identifier.doi | 10.1109/JLT.2015.2504130 | en_US |
dc.identifier.issn | 0733-8724 | |
dc.identifier.uri | http://hdl.handle.net/11693/36525 | |
dc.language.iso | English | en_US |
dc.publisher | Institute of Electrical and Electronics Engineers Inc. | en_US |
dc.relation.isversionof | http://dx.doi.org/10.1109/JLT.2015.2504130 | en_US |
dc.source.title | Journal of Lightwave Technology | en_US |
dc.subject | Cramér-Rao lower bound | en_US |
dc.subject | Estimation | en_US |
dc.subject | Lambertian pattern | en_US |
dc.subject | Positioning | en_US |
dc.subject | Visible light | en_US |
dc.title | Comparative theoretical analysis of distance estimation in visible light positioning systems | en_US |
dc.type | Article | en_US |
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