Patent ID: 9686708
Date: 2017-06-20
CPC Classifications: H04W

Claim:
1. A communication control method, comprising: a step A of notifying, by a user terminal, when the user terminal is in a connected state, a network apparatus of RAT information on a radio access technology (RAT) on which the user terminal supports an MDT measurement; a step B of setting to the user terminal, by the network apparatus, a PLMN (public land mobile network) list indicating a public land mobile network that permits the MDT measurement, on the basis of the RAT information; a step D of transmitting to a base station, by the user terminal, notification information indicating that the user terminal holds a plurality of measurement results for different RATs and identification information indicating an RAT corresponding to each of the plurality of measurement results; a step F of transmitting to the base station, by the user terminal, a measurement result report; a step G of determining, by the base station, whether the measurement result report received from the user terminal includes the plurality of measurement results corresponding to a plurality of RATs; and a step H of transmitting to the user terminal, by the base station, control information indicating whether or not to permit deletion of a measurement result corresponding to one of the plurality of RATs, in response to the determination that the measurement result report received from the user terminal includes the plurality of measurement results corresponding to the plurality of RATs.