DocumentCode :
3254746
Title :
Hybrid positioning system combining angle-based localization, pedestrian dead reckoning and map filtering
Author :
Kemppi, P. ; Rautiainen, T. ; Ranki, V. ; Belloni, F. ; Pajunen, J.
Author_Institution :
VTT Tech. Res. Center of Finland, Espoo, Finland
fYear :
2010
fDate :
15-17 Sept. 2010
Firstpage :
1
Lastpage :
7
Abstract :
We present a hybrid indoor positioning solution combining angle-based localization, pedestrian dead reckoning, and map filtering. The angle-based localization system provides absolute location estimates, whereas pedestrian dead reckoning (PDR) results in accurate shape and length of the traversed route without absolute location and heading information. PDR movement and angle-based location estimates are fused together with a building vector map in a fusion filter, which in this study is implemented through a particle filter. When the fusion filter has been initialized with absolute position data and has converged, it can run also on PDR and map filtering, independently of the angle-based localization system, in areas that are not illuminated by multi-antenna arrays. In principle the same fusion design could accommodate location estimates also from other positioning sources, for example WiFi, or GPS in outdoor-to-indoor transitions. By combining information from various positioning modalities, different types of indoor environments can be provided with seamless positioning coverage with reasonable accuracy and infrastructural investments.
Keywords :
antenna arrays; indoor radio; particle filtering (numerical methods); radionavigation; sensor fusion; traffic engineering computing; PDR; angle-based localization; fusion filter; hybrid indoor positioning system; location estimation; map filtering; multiantenna array; particle filter; pedestrian dead reckoning; sensor fusion; Antennas; Arrays; Irrigation; Navigation; Receivers; Angle-based localization; Indoor positioning; Map filtering; Particle filter; Pedestrian dead reckoning; Sensor fusion;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Indoor Positioning and Indoor Navigation (IPIN), 2010 International Conference on
Conference_Location :
Zurich
Print_ISBN :
978-1-4244-5862-2
Electronic_ISBN :
978-1-4244-5865-3
Type :
conf
DOI :
10.1109/IPIN.2010.5646682
Filename :
5646682
Link To Document :
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