Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/14878
Title: Orientation-based Wi-Fi positioning on the google nexus one
Authors: Chan, CL
Eddie,
Baciu, G 
Mak, SC
Keywords: Digital compass
Indoor positioning
Location Fingerprinting
Newton Trust Region
Orientation
Issue Date: 2010
Publisher: IEEE
Source: 2010 IEEE 6th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob), 11-13 October 2010, Niagara Falls, ON, p. 392-397 How to cite?
Abstract: While localization systems for indoor areas using the existing wireless local area network (WLAN) infrastructure have recently been proposed, wireless LAN localization approaches suffer from a number of significant drawbacks. To begin with, there is inaccurate position tracking due to the orientation of the mobile device and signal fluctuation. In this paper, we apply an orientation filter and a Newton Trust Region (TR) algorithm to eliminate the noisy location estimation. We implement the localization algorithm on the Nexus One which is a Wi-Fi enabled device with a digital compass. The average error distance is only 1.82m. We achieve 90% precision within 2.45m. The proposed method leads to substantially more accurate and robust localization system.
URI: http://hdl.handle.net/10397/14878
ISBN: 978-1-4244-7743-2
978-1-4244-7741-8 (E-ISBN)
DOI: 10.1109/WIMOB.2010.5645038
Appears in Collections:Conference Paper

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