Disclosed is a communication method for controlling data transmission of a mobile station at a base station. The method comprises the steps of: determining, by the base station, a transmission operation to be performed by the mobile station in next transmission time interval based on HARQ and schedule result; sending, in a downlink by the base station, an ACK/NACK packet, an indicator indicating the type of the transmission by the mobile station and a resource use command for the used resource based on the determined transmission operation; receiving, by the mobile station, the ACK/NACK packet, the indicator and the resource use command sent from the base station, and performing respective transmission operations according to the received ACK/NACK packet, indicator and resource use command without using any data-associated signaling in an uplink.
