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SMARTPOS: Accurate and Precise Indoor Positioning on Mobile Phones

Authors:
Moritz Kessel
Martin Werner

Keywords: Location Systems, 802.11 Fingerprinting, Mobile Phone Positioning, Location-Based Services

Abstract:
Location-based services are possibly the most popular services with respect to mobility, since they allow for the automated filtering of information relevant to the user. This paper presents a detailed evaluation of SMARTPOS, an indoor positioning system based on deterministic 802.11 fingerprinting and a digital compass. SMARTPOS is accurate enough to supply location estimates for indoor location-based services and can be deployed standalone on a mobile phone. The system considers the user’s orientation to avoid errors caused by the blocking effect of the human body. For location estimation it takes only that part of the fingerprint database into account that corresponds to the user’s current orientation. SMARTPOS achieves a mean position error of 1.16 meters and a maximum position error of 2.74 meters in a 250 square meter environment.

Pages: 158 to 163

Copyright: Copyright (c) IARIA, 2011

Publication date: October 23, 2011

Published in: conference

ISSN: 2308-3468

ISBN: 978-1-61208-164-9

Location: Barcelona, Spain

Dates: from October 23, 2011 to October 29, 2011