What is a Passenger Tracking System (PTS)?

A Passenger Tracking System (PTS) is a technology designed to monitor the movement of passengers within an airport. PTS typically comprise of physical devices such as WiFi routers, Stereo-Camera Sensors or Security Cameras and a PTS Software which processes the data and has a user interface.
What is a PTS used for?
PTS are typically used to monitor queue statistics such as length and waiting time. At security checkpoints in the US airports have to report wait times in real-time. PTS help airports to monitor their quality of service (QOS) and respond more quickly if suspicious activity is detected or if there are any unexpected delays or anomalies in demand. Last but not least, PTS can be used in retail, food and leisure areas within airports to understand the usage of such services and to increase customer satisfaction.