USER DEVICE AND METHOD IN MOBILE COMMUNICATION SYSTEM

摘要

A user device which has at least a connected mode (CONN) and an idle mode (IDLE) is provided with: a measurement unit which measures wireless quality in idle mode in accordance with information to be measured which indicates that the user device is preset so as to notify a base station of a wireless quality measurement value; a storage unit which stores the information to be measured, and the wireless quality measurement value measured by the measurement unit; and a transmission unit which, in connected mode, transmits an indicator which indicates that a wireless quality measurement value exists to a base station, and transmits a notification signal which contains the wireless quality measurement value in response to a request from the base station. When a condition (configuration flush condition) is satisfied in which predetermined information to be measured is to be deleted, the storage unit deletes the information to be measured.