Experiments on Local Positioning with Bluetooth

Authors:
Antti Kotanen;Marko Hännikäinen;Helena Leppäkoski;Timo D. Hämäläinen
Affiliations:
-;-;-;-
Venue:
ITCC '03 Proceedings of the International Conference on Information Technology: Computers and Communications
Year:
2003

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Abstract

This paper presents a design and an implementation ofthe Bluetooth local positioning application. Positioning isbased on received power levels, which are converted todistance estimates according to a simple propagationmodel. The extended Kalman filter computes 3D positionestimate on the basis of distance estimates. With the usedBluetooth hardware, the mean absolute error ofpositioning was measured o be 3.76 m. The accuracy canbe improved if Bluetooth devices are able to measurereceived power levels more precisely.