After that, the UE is capable of determining the measurement result satisfies a condition according to the information set in the measurement instruction control message in operation 3413. When the measurement result satisfies a condition according to the information set in the measurement instruction control message in operation 3413, the UE is capable of reporting the measurement result to the ENB via the licensed band serving cell in operation 3415.
The ENB capable of controlling both licensed bands and unlicensed bands is capable of transmitting a control message enquiring an unlicensed band capability report to the UE connected thereto in operation 3503. After that, the ENB is capable of receiving the capability report message from the UE. For example, the capability report enquiring control message can include a UECapabilityEnquiry message of the RRC layer. The report message can include a UECapabilityInformation message of the RRC layer.