Magnetic Field as a Characterization of Wide and Narrow Spaces in a Real Challenging Scenario Using Dynamic Time Warping
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Título
Magnetic Field as a Characterization of Wide and Narrow Spaces in a Real Challenging Scenario Using Dynamic Time WarpingFecha de publicación
2018-11-15Editor
Institute of Electrical and Electronics Engineers; IEEEISBN
978-1-5386-5635-8Cita bibliográfica
A. Perez-Navarro, R. Montoliu, J. Torres-Sospedra and J. Conesa, "Magnetic Field as a Characterization of Wide and Narrow Spaces in a Real Challenging Scenario Using Dynamic Time Warping," 2018 International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2018, pp. 1-8, doi: 10.1109/IPIN.2018.8533741.Tipo de documento
info:eu-repo/semantics/conferenceObjectVersión de la editorial
https://ieeexplore.ieee.org/xpl/conhome/8514819/proceedingVersión
info:eu-repo/semantics/submittedVersionPalabras clave / Materias
Resumen
This paper presents a study of indoor positioning in public zones of the Parc Taulí Hospital in Sabadell. It is a challenging scenario because: (1) it combines wide spaces with middle sized and narrow spaces; (2) it ... [+]
This paper presents a study of indoor positioning in public zones of the Parc Taulí Hospital in Sabadell. It is a challenging scenario because: (1) it combines wide spaces with middle sized and narrow spaces; (2) it is a shielded zone where no signals are available, and therefore, no WiFi signal can be used for positioning; and (3) it is not possible to deploy beacons for positioning. The goal of this work is to test whether it is possible to get indoor positioning in a real and challenging scenario by using only the magnetic field. The positioning precision requires to locate the part of the hospital where the user is. The proposed solution defines “virtual corridors” to improve positioning in wide areas. To validate the work, magnetic field data have been recorded from the scenario, using different smartphones and by different persons. The obtained magnetic data curves have been compared by using dynamic time warping distance. Results show that it is possible to characterize every path with the magnetic field. The main contributions of the present paper are: (1) defining “virtual corridors” as a way to position using magnetic field in 2D spaces; and (2) showing that even in wide spaces, like the hall of a hospital, it is possible to find magnetic anomalies linked to positions. [-]
Descripción
Ponencia presentada en 2018 International Conference on Indoor Positioning and Indoor Navigation (IPIN), 24-27 Sept. 2018
Entidad financiadora
REPNIN | Ministerio de Economía y Competitividad
Código del proyecto o subvención
TEC2015-71426-REDT | TIN2015-70202-P
Derechos de acceso
http://rightsstatements.org/vocab/InC/1.0/
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess