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Distributed Localization for Wireless Distributed Networks in Indoor Environments

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dc.contributor.authorMendoza, Hermie P.en
dc.contributor.committeechairReed, Jeffrey H.en
dc.contributor.committeememberBose, Tamalen
dc.contributor.committeememberVolos, Haris I.en
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessioned2014-03-14T20:40:46Zen
dc.date.adate2011-08-18en
dc.date.available2014-03-14T20:40:46Zen
dc.date.issued2011-06-28en
dc.date.rdate2011-08-18en
dc.date.sdate2011-06-28en
dc.description.abstractPositioning systems enable location-awareness for mobile devices, computers, and even tactical radios. From the collected location information, location-based services can be realized. One type of positioning system is based on location fingerprints. Unlike the conventional positioning techniques of time of or time delay of arrival (TOA/TDOA) or even angle of arrival (AOA), fingerprinting associates unique characteristics such as received signal strength (RSS) that differentiates a location from another location. The location-dependent characteristics then can be used to infer a user's location. Furthermore, fingerprinting requires no specialized hardware because of its reliance on an existing communications infrastructure. In estimating a user's position, fingerprint-based positioning systems are centrally calculated on a mobile computer using either a Euclidean distance algorithm, Bayesian statistics, or neural networks. With large service areas and, subsequently, large radio maps, one mobile computer may not have the adequate resources to locally compute a user's position. Wireless distributed computing provides a means for the mobile computer to meet the location-based service requirements and increase its network lifetime. This thesis develops distributed localization algorithms to be used in an indoor fingerprint-based positioning system. Fingerprint calculations are not computed on a single device, but rather on a wireless distributed computing network on Virginia Tech's Cognitive Radio Network Testbed (CORNET).en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-06282011-154448en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-06282011-154448/en
dc.identifier.urihttp://hdl.handle.net/10919/33805en
dc.publisherVirginia Techen
dc.relation.haspartMendoza_HP_D_2011.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectfingerprintingen
dc.subjectindoor localizationen
dc.subjectwireless distributed computing networksen
dc.subjectlocalizationen
dc.titleDistributed Localization for Wireless Distributed Networks in Indoor Environmentsen
dc.typeThesisen
thesis.degree.disciplineElectrical and Computer Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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