In a wireless communication system, in which a frame comprising data and control information necessary for reception processing of the data is transmitted from a transmitter, and in which, when a reception failure is notified by a receiver, the frame that failed to be received is retransmitted, the control information is classified into first control information that can be different for a new frame transmission and a repeat frame transmission and second control information that is the same for the new frame transmission and the repeat frame transmission, information indicating whether or not the receiver has correctly received the control information and data is acquired, and when the control information has been correctly received, control is conducted so that the second control information is not transmitted during the repeat frame transmission.