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==Solution description==
==Solution description==
First, BLE beacons are set up in an inside space, their position will remain fixed and they will serve as a known location reference. These beacons periodically broadcast a signal which is unique for each beacon containing the beacon’s ID. When any FM device configured for the solution receives a signal from a beacon, the strength of this received signal (RSSI-Received signal strength Indicator) will be proportional to the distance between them. With several beacons, the position of configured FM devices can be calculated. These calculations are performed on the server side. Many FM devices can utilize the same Eye Beacons at the same time.
First, BLE beacons are set up in an inside space, their position will remain fixed and they will serve as a known location reference. These beacons periodically broadcast a signal which is unique for each beacon containing the beacon’s ID. When any FM device configured for the solution receives a signal from a beacon, the strength of this received signal (RSSI-Received signal strength Indicator) will be proportional to the distance between them. With several beacons, the position of configured FM devices can be calculated. These calculations are performed on the server side. Many FM devices can utilize the same Eye Beacons at the same time.
[[File:Indoorpositioningprincipal.png]]
[[File:Sketchasedit.png|frame|Principle of operation]]
==Beacon installation==
==Beacon installation==
The main challenge in using iBeacon or Eddystone signals for indoor positioning is the variance of RSSI readings due to their sensitivity to environment factors. These factors include obstruction of signal due to physical obstacles: walls, doors, metal objects. Beacons should be installed on the walls, ceiling or racks and their position will remain fixed. Clear line of sight should be maintained for optimal coverage of the beacon signal. For best tracking coverage and accuracy results, beacons should be installed in such a way, that at least 3 beacon transmissions can be detected at any point of the indoor facility. The maximum open-field distance of beacon detection is 80m, however, indoor signal range will be smaller and depend on the configured transmitting power of the Eye beacon as well as layout of the facility. In general, the more beacons are set up, the higher the positioning accuracy.
The main challenge in using iBeacon or Eddystone signals for indoor positioning is the variance of RSSI readings due to their sensitivity to environment factors. These factors include obstruction of signal due to physical obstacles: walls, doors, metal objects. Beacons should be installed on the walls, ceiling or racks and their position will remain fixed. Clear line of sight should be maintained for optimal coverage of the beacon signal. For best tracking coverage and accuracy results, beacons should be installed in such a way, that at least 3 beacon transmissions can be detected at any point of the indoor facility. The maximum open-field distance of beacon detection is 80m, however, indoor signal range will be smaller and depend on the configured transmitting power of the Eye beacon as well as layout of the facility. In general, the more beacons are set up, the higher the positioning accuracy.
#In [[FMB120_Bluetooth_settings|Bluetooth]] settings Enable Bluetooth, set this setting as either "Enable (hidden)" or "Enable (visible)", otherwise Bluetooth will be disabled;
#In [[FMB120_Bluetooth_settings|Bluetooth]] settings Enable Bluetooth, set this setting as either "Enable (hidden)" or "Enable (visible)", otherwise Bluetooth will be disabled;
#In [[FMB120_Bluetooth_4.0_settings|Bluetooth 4.0]] settings, set Non Stop Scan to "enabled" or "disabled" and configure the desired update interval.
#In [[FMB120_Bluetooth_4.0_settings|Bluetooth 4.0]] settings, set Non Stop Scan to "enabled" or "disabled" and configure the desired update interval.
#In [[FMB120_Beacon_List|Beacon list]] settings, configure Beacon Detection as "Configured" and Beacon Record as "Periodic". This configuration will allow detection of beacons from the beacon list and send periodical beacon data to the server. However, keep in mind only 50 beacons can be added to the beacon list.
#In [[FMB120_Beacon_List|Beacon list]] settings, configure Beacon Detection as "Configured" and Beacon Record as "Periodic". This configuration will allow detection of beacons from the beacon list and send periodical positioning data to the server. However, keep in mind only 50 beacons can be added to the beacon list.
If the beacon detection option is set to Configured, only beacons from the beacon list will be detected and their data will be sent to the server.
If the beacon detection option is set to Configured, only beacons from the beacon list will be detected and their data will be sent to the server.
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