Method for connection configuration and scheduling of device to device link in direct communication between user equipments and relaying by user equipment

PURPOSE: A D2D(Device to Device) connecting establishment and scheduling method are provided to continuously transmit data and to dynamically schedule the data for a D2D communication link by embodying a semi-continuous scheduling method. CONSTITUTION: A base station transmits connecting establishment information for a D2D link through an RRC(Radio Resource Control) signaling to each terminal(S210). The transmission terminal of the D2D link transmits a BSR(Buffer Status Report) for D2D communication to the base station(S220). Two terminals transmit and receive D2D data by using the assigned resources(S230). The reception terminal of the D2D link reports the CSI(Channel State Information) of the measured D2D link to the base station(S240).