Bluetooth indoor positioning and ambient information system

Abstract

Our system utilizes signal strength of Bluetooth wireless connection for indoor positioning. The position of a user carrying an information device equipped with Bluetooth, e.g. a mobile phone, will be estimated from signal strengths measured by base stations, e.g. desktop PCs in the rooms. One of these base stations will serve as a position server that collects signal strength measurements and calculates the user's position. Using the indoor position as context information, we created a guidance system on our campus which gives relevant information according to the position and to the user's goal or task. © 2008 Springer-Verlag France, Paris.