| 摘要 |
A mobile communication system according to the present invention is a mobile communication system that supports a D2D proximity service in which direct communication not passing through a network is enabled, comprising: a user terminal configured to decide a data resource that is a time-frequency resource used for transmitting D2D communication data, and a control resource that is a time-frequency resource used for transmitting control information indicating a position of the data resource, from among time-frequency resources available for the D2D proximity service, wherein the user terminal is further configured to decide the data resource from a data resource domain limited in range in the time-frequency resources available for the D2D proximity service. |
