Patent ID: 7203508

Claim:
A mobile communication system comprising: a mobile station, and a base station configured to perform transmission/reception of a signal while sending and receiving an automatic repeat request, wherein said mobile station comprises: a receiving quality measuring unit configured to measure a quality of a radio signal transmitted from the base station; and a transmitter configured to transmit a radio resource use request to said base station to request use of a radio resource adapted to a receiving quality, based on the quality of the radio signal, and wherein said base station comprises: a receiver configured to receive said radio resource use request; and a transmitter configured to transmit a signal addressed to said mobile station, including a signal under a request for retransmission by said automatic repeat request, using the radio resource requested by said radio resource use request wherein, said transmitter in said base station transmits the signal addressed to said mobile station by using radio resources in decreasing order of a number of repeat requests from the mobile station.