Patent ID: 8311004

Claim:
A mobile communication system, the mobile communication system comprising: a mobile station apparatus; and a base station apparatus, wherein the mobile station apparatus is configured to transmit, to the base station apparatus, uplink data using a physical uplink shared channel assigned by an uplink data transmission permission signal, the base station apparatus is configured to transmit, to the mobile station apparatus, a radio resource control signal including first information for specifying a physical format which is used for the mobile station apparatus to transmit reception quality information together with the uplink data, the base station apparatus is configured to transmit, to the mobile station apparatus, the uplink data transmission permission signal including second information indicting transmission of the reception quality information, and the mobile station apparatus is configured to transmit, to the base station apparatus, the reception quality information together with the uplink data using the physical uplink shared channel according to the first information for specifying the physical format in response to the second information indicating transmission of the reception quality information being included in the uplink data transmission permission signal.