AN EXPEMIMENTAL STUDY ON LOCALIZATION USING MULTIPLE BLUETOOTH DEVICES
Work partially supported by DSIR TePP 2007 Research Grant Awarded to Mr. Saurav Kumar.
In this paper we are presenting a Localization System for a Mobile Server based on Bluetooth Signal Parameters received from Multiple Bluetooth Devices in range. Though Bluetooth technology allows us to keep a low budget and low power system but at the same time it adds a tradeoff of accuracy. Therefore before predicting the distance first we create a lookup table with RSSI and Distance. We calculate the RSSI value by taking a large number of measurements for various distance and picking up the value that occurs most frequently by making the histogram. When we are predicting the distance we are taking reading from the Heading Sensor and Odometer attached to the mobile server and passing it on to an Extended Kaman Filter which model the noise associated with the system.