How the data relay

A data relay method according to an embodiment of the present invention is a relay method of a data relay in a wireless communication system based on the radio frame composed of a plurality of downlink subframes and a plurality of uplink sub-frame, the scheduling for transmission of the uplink data, receiving information from a base station a scheduling message includes the steps of: receiving the uplink data from the terminal at the time according to the scheduling message and a step of relaying the uplink data to the base station. In a wireless communication system, the relay station is introduced can increase the use efficiency of radio resources. A relay station, a radio resource, the scheduling.