A sensor, and a method of a sensor detecting a user terminal that is in idle mode connected to a base station

摘要

A method of a sensor detecting a user terminal that is in idle mode connected to a base station, the method comprising: the user terminal moving into the coverage area of the sensor, the sensor transmitting a signal that triggers a request from the user terminal for location area update, the sensor responding with a request for the identifier of the user terminal, the user terminal sending its identifier in reply, the sensor recording the identifier and not completing the location area update so that the user terminal remains connected to the base station.