Local Positioning Services on IEEE 802.11 Networks

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dc.contributor.authorVegni, Anna Maria
dc.contributor.authorDi Nepi, Alessandro
dc.contributor.authorNeri, Alessandro
dc.contributor.authorVegni, Claudio
dc.coverage.issue2cs
dc.coverage.volume17cs
dc.date.accessioned2016-03-18T10:36:30Z
dc.date.available2016-03-18T10:36:30Z
dc.date.issued2008-06cs
dc.description.abstractThis paper deals with localization services in IEEE 802.11 networks, for indoor environment. The proposed solution processes the Time Of Arrival of location packets sent by a Mobile Terminal, that makes access in a IEEE 802.11 network. A set of Location Supporting Nodes and a Location Support Server composes an indoor location services architecture. A fully compatible IEEE 802.11 Localization Services protocol supporting data exchange related to both TOA measurement and processing is reported. Simulation results show the method efficiency in both IEEE 802.11 PCF and DCF modes. Assessment of the maximum number of users for which location services can be provided is also reported. Since high localization accuracy requires large bandwidth, a broadband antenna for LSN and LSS was designed. The related results are reported in the second part of the paper. The antenna works at 5.0 GHz (centre frequency) in broadband mode and is matched on the wireless operating frequencies with a percentage more than 8% (1:1.5 VSWR).en
dc.formattextcs
dc.format.extent42-47cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2008, vol. 17, č. 2, s. 42-47. ISSN 1210-2512cs
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/57190
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2008/08_02_042_047.pdfcs
dc.rightsCreative Commons Attribution 3.0 Unported Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectIndoor localization servicesen
dc.subjectIEEE 802.11en
dc.subjectTOAen
dc.subjectantenna arrayen
dc.titleLocal Positioning Services on IEEE 802.11 Networksen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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