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|1. (WO2015115505) MOBILE COMMUNICATION SYSTEM AND USER TERMINAL|
|Title:||MOBILE COMMUNICATION SYSTEM AND USER TERMINAL|
A mobile communication system of the present invention, which supports D2D proximity services that enable direct communications without any network interventions, comprises: a first user terminal that determines, from a control resource area the range of which is limited among time/frequency resources available for the D2D proximity services, control resources that are time/frequency resources to be used for transmitting control information indicating the positions of data resources that are time/frequency resources to be used for transmitting D2D communication data; and a second user terminal that scans the control information in the control resource area.