Multicast service with transmission of time of information update

摘要

To provide a system capable of preventing UE from receiving the same data (duplicate data) as data already received and to provide each of devices used for this system. A terminal device receives update timing information indicating timing when data (e.g., data of an MBMS service) is updated and transmitted, stops, based on the update timing information, a receiving process till the updated data is transmitted, and resumes the receiving process in synchronization with the timing of transmitting the updated data.