2. Literatuurstudie Indoor positioning (IPS)
Indoor Positioning System (IPS) Using ESP32, MQTT and Bluetooth
https://ieeexplore.ieee.org/abstract/document/9076468
Getting Started with ESP32 Bluetooth Low Energy (BLE) on Arduino IDE
ESP32 Bluetooth Low Energy (BLE) on Arduino IDE | Random Nerd Tutorials
afstanden meten
| Sensor | method | zender/ontvanger | methode | afstand | |
| passive | Bar/QR-code | scanner/gsm | zichtbaar licht: laser/LED | 0,1 - 4 m | https://qrworld.wordpress.com/2011/07/16/qr-codes-scanning-distance/#:~:text=The%20rule%20that%20holds%20for%20almost%20all%20current,to%20be%20read%20from%20a%20very%20close%20distance |
| passive | LF RFID | RFID reader | radio golven | 0,1 - 0,3 m | |
| passive | HF RFID | RFID reader | radio golven | max 1 m | |
| passive | UHF RFID | RFID reader | radio golven | 1m - 16 m | |
| active | UHF RFID | sensitive high gain antenna | radio golven | 30 cm - 3 km | https://skyrfid.com/RFID_Range.php#:~:text=Low%20Frequency%20%28LF%29%20Passive%20RFID%20Tags%20Read%20distance,of%201%20-%202%20meters%20in%20industrial%20environments |
| active | SHF RFID | sensitive high gain antenna | radio golven | max 100 m | |
| passive | GPS | Satellite | |||
| passive | Infrared | IR Transmitter/receiver | infrared | 0,1 -0,8m | https://electricalfundablog.com/infrared-sensor/#:~:text=An%20Infrared%20Sensor%20works%20in%20the%20following%20sequence%3A,then%20further%20processed%20based%20on%20its%20intensity.%20 |
| passive | LIDAR | scanner | laser | max 10 meter | https://www.yellowscan-lidar.com/knowledge/three-ways-to-determine-a-distance-with-lidar/ |
| active | WIFI | GSM/Wi-Fi hotspot | radio golven | 0-100 m | https://en.wikipedia.org/wiki/Wi-Fi_positioning_system#:~:text=The%20most%20common%20and%20widespread%20localization%20technique%20used,access%20point%20include%20its%20SSID%20and%20MAC%20address |
| active | Bluetooth | ander bluetooth toestel | radio golven | 0-10m | https://techdifferences.com/difference-between-bluetooth-and-wifi.html#:~:text=The%20main%20difference%20between%20Bluetooth%20and%20Wifi%20is,provision%20to%20connect%20with%20other%20devices%20in%20Bluetooth |