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13591 Ultrasound-Aided Pedestrian Dead Reckoning for Indoor Navigation
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Fischer, C. and Muthukrishnan, K. and Hazas, M. and Gellersen, H. (2008) Ultrasound-Aided Pedestrian Dead Reckoning for Indoor Navigation. In: Proceedings of the first ACM international workshop on Mobile entity localization and tracking in GPS-less environments, Co-located MOBICOM 2008, 15-19 September 2008, San Francisco, USA. pp. 31-36. ACM. ISBN 978-1-60558-189-7

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Ad hoc solutions for tracking and providing navigation support to emergency response teams is an important and safety-critical challenge. We propose a navigation system based on a combination of foot-mounted inertial sensors and ultrasound beacons. We evaluate experimentally the performance of our dead reckoning system in different environments and for different trail topologies. The inherent drift observed in dead reckoning is addressed by deploying ultrasound beacons as landmarks. We study through simulations the use of the proposed approach in guiding a person along a defined path.

Simulation results show that satisfactory guidance performance is achieved despite noisy ultrasound measurements, magnetic interference and uncertainty in ultrasound node locations. The models used for the simulations are based on experimental data and the authors' experience with actual sensors. The simulation results will be used to inform future development of a full real time system.

Item Type:Conference or Workshop Paper (Full Paper, Poster)
Research Group:EWI-PS: Pervasive Systems
Research Program:CTIT-WiSe: Wireless and Sensor Systems
Research Project:Smart Surroundings
ID Code:13591
Deposited On:19 October 2008
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