Home // UBICOMM 2013, The Seventh International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies // View article
Authors:
Roland Dutzler
Martin Ebner
Robert Brandner
Keywords: Indoor Navigation; Location Fingerprinting; WLAN; Smartphone; Log-Distance Path Loss Model
Abstract:
Due to the fact that smartphones are today already used by about one out of seven persons worldwide and their capabilities concerning hardware and sensors are growing, many different indoor navigation solutions for smartphones exist. The solution presented in this paper is based on Wireless Local Area Network Location Fingerprinting. Fingerprinting is a method where signals at a number of specific points are measured once and stored in a database that is needed to determine the position later on. Measuring each and every fingerprint makes the off-line phase a complex and very timeintensive process, especially for big buildings. The bigger the building, the higher is the effort to create the map needed for the on-line phase to determine the position of a device. In order to cope with this complexity, an approach for optimizing the off-line phase is realized. The system substantially lowers the number of positions at which fingerprint measurements have to be taken by identifying ideal positions. All other nonmeasured fingerprints are determined by using a form of the Log-Distance Path Loss Model.
Pages: 1 to 6
Copyright: Copyright (c) IARIA, 2013
Publication date: September 29, 2013
Published in: conference
ISSN: 2308-4278
ISBN: 978-1-61208-289-9
Location: Porto, Portugal
Dates: from September 29, 2013 to October 3, 2013