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dc.contributor.author
Villadangos, José Manuel
dc.contributor.author
Ureña, Jesús
dc.contributor.author
García, Juan Jesús
dc.contributor.author
Mazo, Manuel
dc.contributor.author
Hernández, Álvaro
dc.contributor.author
Jiménez, Ana
dc.contributor.author
Ruiz, Daniel
dc.contributor.author
de Marziani, Carlos Manuel
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dc.date.available
2019-08-27T14:21:33Z
dc.date.issued
2011-10
dc.identifier.citation
Villadangos, José Manuel; Ureña, Jesús; García, Juan Jesús; Mazo, Manuel; Hernández, Álvaro; et al.; Measuring Time-of-Flight in an Ultrasonic LPS System Using Generalized Cross-Correlation; Molecular Diversity Preservation International; Sensors; 11; 11; 10-2011; 10326-10342
dc.identifier.issn
1424-8220
dc.identifier.uri
http://hdl.handle.net/11336/82204
dc.description.abstract
In this article, a time-of-flight detection technique in the frequency domain is described for an ultrasonic Local Positioning System (LPS) based on encoded beacons. Beacon transmissions have been synchronized and become simultaneous by means of the DS-CDMA (Direct-Sequence Code Division Multiple Access) technique. Every beacon has been associated to a 255-bit Kasami code. The detection of signal arrival instant at the receiver, from which the distance to each beacon can be obtained, is based on the application of the Generalized Cross-Correlation (GCC), by using the cross-spectral density between the received signal and the sequence to be detected. Prior filtering to enhance the frequency components around the carrier frequency (40 kHz) has improved estimations when obtaining the correlation function maximum, which implies an improvement in distance measurement precision. Positioning has been achieved by using hyperbolic trilateration, based on the Time Differences of Arrival (TDOA) between a reference beacon and the others.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Molecular Diversity Preservation International
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Generalized Cross-Correlation
dc.subject
Ultrasonic Lps
dc.subject
Phase Transform
dc.subject
Kasami Codes
dc.subject.classification
Control Automático y Robótica
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dc.subject.classification
Ingeniería Eléctrica, Ingeniería Electrónica e Ingeniería de la Información
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dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
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dc.title
Measuring Time-of-Flight in an Ultrasonic LPS System Using Generalized Cross-Correlation
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-07-15T14:56:19Z
dc.journal.volume
11
dc.journal.number
11
dc.journal.pagination
10326-10342
dc.journal.pais
Suiza
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dc.journal.ciudad
Basilea
dc.description.fil
Fil: Villadangos, José Manuel. Universidad de Alcalá; España
dc.description.fil
Fil: Ureña, Jesús. Universidad de Alcalá; España
dc.description.fil
Fil: García, Juan Jesús. Universidad de Alcalá; España
dc.description.fil
Fil: Mazo, Manuel. Universidad de Alcalá; España
dc.description.fil
Fil: Hernández, Álvaro. Universidad de Alcalá; España
dc.description.fil
Fil: Jiménez, Ana. Universidad de Alcalá; España
dc.description.fil
Fil: Ruiz, Daniel. Universidad de Alcalá; España
dc.description.fil
Fil: de Marziani, Carlos Manuel. Universidad Nacional de la Patagonia "San Juan Bosco". Facultad de Ingeniería - Sede Comodoro; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
Sensors
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.mdpi.com/1424-8220/11/11/10326/
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.3390/s111110326
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