Experiments of position estimation by BLE beacons on actual situations

In recent years, Bluetooth beacon gets much attention on location-aware services. To obtain an accurate position in a room, we use signal strength of Bluetooth beacons and develop position estimation methods. In our college, we aim to introduce the position estimation system on college. We have installed a number of Bluetooth beacon devices in and around a room and observed RSSI of beacons by portable devices to achieve fundamental knowledge of beacons and estimate their position. In this paper, we take some experiments on different phenomena and with different devices. We confirm that our method can separate completely whether a device is in a room or not. Results show that the average error between device position and estimated position is 2.4m.