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Localization using Anonymous Measurements
RISE, Swedish ICT, SICS.ORCID iD: 0000-0001-9314-3980
Technical University of Berlin, Germany.
Technical University of Berlin, Germany.
Technical University of Berlin, Germany.
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2015 (English)In: 2015 International Conference on Distributed Computing in Sensor Systems, 2015, 10, p. 137-146, article id 7165032Conference paper, Published paper (Refereed)
Abstract [en]

Range-based IEEE 802.15.4 localization systems currently require relatively high anchor density for indoor deployments. It can therefore be beneficial to use external sources of transmission as additional anchors. We present methods for using WiFi beacons to improve localization accuracy of a range-based IEEE 802.15.4 localization system in cases where only two IEEE 802.15.4 anchor nodes are available. We do this by identifying WiFi beacons from RSSI traces that we dynamically sample online, and applying fingerprinting and range-based methods using the RSSI values of the identified beacons. However, because the data of the WiFi traffic is not decodable by the IEEE 802.15.4 devices, these RSSI measurements lack identifiers that can associate them to specific WiFi Access Points (APs). Therefore, novel methods are required for both fingerprinting and range-based approaches to allow for these additional WiFi APs to be used as anchors. We show by using real-world measurements that our beacon identification method gives a false-positive rate of only 3%, and that if the range measurements to the IEEE 802.15.4 anchors are relatively accurate, with a standard deviation of 1 and 3 m, a localization accuracy improvement of 47% and 24% can be gained, respectively.

Place, publisher, year, edition, pages
2015, 10. p. 137-146, article id 7165032
Keywords [en]
Anonymous measurements, Fingerprinting, Localization, Range-based localization
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-24434DOI: 10.1109/DCOSS.2015.23Scopus ID: 2-s2.0-84945950544ISBN: 978-1-4799-8856-3 (electronic)OAI: oai:DiVA.org:ri-24434DiVA, id: diva2:1043515
Conference
11th IEEE International Conference on Distributed Computing in Sensor Systems (DCOSS 2015), June 10-12, 2015, Fortaleza, Brazil
Projects
EVARILOSAvailable from: 2016-10-31 Created: 2016-10-31 Last updated: 2023-06-08Bibliographically approved

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Wirström, NiclasVoigt, Thiemo

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