A base station communicates with a mobile station consecutively transmitting a predetermined number of data for each predetermined time interval. The base station includes a measuring unit that using a predetermined threshold value, determines reception quality of the predetermined number of data that are consecutive and received from the mobile station; and a control unit that in response to a result of the measurement by the measuring unit, executes control to output any one among first notification information to cause the mobile station to transmit the same data, for the predetermined time interval and second notification information to cause the mobile station to transmit plural data that are different from one another, for the predetermined time interval.