Many solutions have been proposed for indoor pedestrian navigation. Some rely on pre-installed sensor networks, which offer good accuracy but are limited to areas that have been prepared for that purpose, thus requiring an expensive and possibly time-consuming process. Such methods are therefore inappropriate for navigation in emergency situations since the power supply may be disturbed. Other types of solutions track the user without requiring a prepared environment. However, they may have low accuracy. Offline tracking has been proposed to increase accuracy, however this prevents users from knowing their position in real time. This paper describes a real time indoor navigation system that does not require prepared building environments and provides tracking accuracy superior to previously described tracking methods. The system uses a combination of four techniques: foot-mounted IMU (Inertial Motion Unit), ultrasonic ranging, particle filtering and model-based navigation. The very purpose of the project is to combine these four well-known techniques in a novel way to provide better indoor tracking results for pedestrians. © 2011 by the authors; licensee MDPI, Basel, Switzerland.
CITATION STYLE
Girard, G., Côté, S., Zlatanova, S., Barette, Y., St-Pierre, J., & van Oosterom, P. (2011). Indoor pedestrian navigation using foot-mounted IMU and portable ultrasound range sensors. Sensors, 11(8), 7606–7624. https://doi.org/10.3390/s110807606
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