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Authors: Karl-Heinz Krempels ; Sebastian Patzak ; Janno von Stülpnagel and Christoph Terwelp

Affiliation: RWTH Aachen University, Germany

Keyword(s): Indoor positioning, WLAN, Geo Tagging, Whispering, Accuracy.

Related Ontology Subjects/Areas/Topics: Mobile Software and Services ; Software for Wireless Location Systems ; Telecommunications ; Wireless Information Networks and Systems

Abstract: Existing positioning systems do not provide the required positioning accuracy for navigation systems in indoor environments. Novel system approaches are based on fingerprinting and triangulation techniques. Thus, they suffer on low positioning accuracy due to multipath propagation and different sending power of the considered access points. Other approaches are based on tagged WLAN (Wireless Local Area Network) access points or GSM (Global System for Mobile Communication) base stations with their corresponding position stored in a central tag directory. This would cause high communication costs for a mobile device that queries the directory frequently. In this paper we present a filtering technique for access points to determine the closest ones to the mobile device. The geographical position of the mobile device is calculated from the geo tags broadcasted by the access points in the mobile device’s vicinity. Systems based on this approach will provide the same accuracy as directory- based positioning systems at a low cost. The evaluation of the approach shows that the positioning accuracy is limited by the technical capabilities of the radios embedded in today’s mobile devices and the provided driver software. (More)

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Paper citation in several formats:
Krempels, K.; Patzak, S.; von Stülpnagel, J. and Terwelp, C. (2009). EVALUATION OF DIRECTORY-LESS WLAN POSITIONING BY DEVICE WHISPERING. In Proceedings of the International Conference on Wireless Information Networks and Systems (ICETE 2009) - WINSYS; ISBN 978-989-674-008-5, SciTePress, pages 139-144. DOI: 10.5220/0002245501390144

@conference{winsys09,
author={Karl{-}Heinz Krempels. and Sebastian Patzak. and Janno {von Stülpnagel}. and Christoph Terwelp.},
title={EVALUATION OF DIRECTORY-LESS WLAN POSITIONING BY DEVICE WHISPERING},
booktitle={Proceedings of the International Conference on Wireless Information Networks and Systems (ICETE 2009) - WINSYS},
year={2009},
pages={139-144},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002245501390144},
isbn={978-989-674-008-5},
}

TY - CONF

JO - Proceedings of the International Conference on Wireless Information Networks and Systems (ICETE 2009) - WINSYS
TI - EVALUATION OF DIRECTORY-LESS WLAN POSITIONING BY DEVICE WHISPERING
SN - 978-989-674-008-5
AU - Krempels, K.
AU - Patzak, S.
AU - von Stülpnagel, J.
AU - Terwelp, C.
PY - 2009
SP - 139
EP - 144
DO - 10.5220/0002245501390144
PB - SciTePress

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