Patent ID: 7328024

Claim:
A mobile communication system which transmits a data signal from a base station to a mobile station, wherein the base station comprises a signal transmitter configured to transmit, to the mobile station, both the data signal, and at least one retransmission signal of the same data signal, in a different form from the same data signal, within a predetermined period set for transmission of at least one series of the data signal and the at least one retransmission signal; the mobile station comprises: a receiving processor configured to carry out a receiving process on the data signal or the at least one retransmission signal within the predetermined period; a communication quality detector configured to detect a communication quality of the data signal or the at least one retransmission signal; and a reception processing method decider configured to decide a reception processing method for the data signal or the at least one retransmission signal in the predetermined period, based on the detected communication quality.