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Accuracy Enhancements in Indoor Localization with the Weighted Average Technique

Authors:
Grigorios G. Anagnostopoulos
Michel Deriaz

Keywords: Indoor Localization; Received Signal Strength; Positioning; Bluetooth

Abstract:
Indoor localization is a topic that has drawn great attention over the last decade. One of the main goals of the research in the field is to improve the achieved accuracy. Along with the accuracy, factors like the easiness of deployment and reconfiguration, the cost, the computational complexity, and the ability to tune the desired accuracy in specific areas are also important. In this study, we used Bluetooth Low Energy (BLE) technology, that offers a low cost and is easily deployed and reconfigured. The weighed average method, combined with the selection of the closest beacons and the averaging of the received signal strength indication (RSSI) at the distance domain proposed in this paper, offers an accuracy down to 0.97 meters, depending on the deployment configuration. This method was tested in our lab and was following installed at the hospital in Perugia, Italy, in the context of the Ambient Assisted Living (AAL) Virgilius project, where users can navigate with a smartphone.

Pages: 112 to 116

Copyright: Copyright (c) IARIA, 2014

Publication date: November 16, 2014

Published in: conference

ISSN: 2308-4405

ISBN: 978-1-61208-374-2

Location: Lisbon, Portugal

Dates: from November 16, 2014 to November 20, 2014