Abstract
A challenging task in using pedestrian navigation and guidance services indoors is to determine the correct floor of a user in a multi-storey building because most indoor location techniques only provide 2-D information. In this case it can be recommended to augment the position determination system with a barometric pressure sensor for direct observation of height differences. In the research project NAVIO (Pedestrian Navigation Systems in Combined Indoor/Outdoor Environments) tests with different sensors have been performed and their results are presented. The tests show that it is possible to determine the correct floor of a user using a barometric pressure sensor as the standard deviation of the estimation of the height differences is better than ± 1 m.
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Retscher, G. (2007). Altitude Determination of a Pedestrian in a Multistorey Building. In: Gartner, G., Cartwright, W., Peterson, M.P. (eds) Location Based Services and TeleCartography. Lecture Notes in Geoinformation and Cartography. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-36728-4_9
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