To control QoS for each mobile station UE while minimizing the affect on
radio capacity in the downlink, a transmission rate control method of the
present invention comprises: receiving, at a mobile station, a common
absolute transmission rate control signal used for a common transmission
rate control and a dedicated relative transmission rate control signal
used for a dedicated transmission rate control; and setting, at the
mobile station, a higher one of a first transmission rate indicated by
the common absolute transmission rate control signal and a second
transmission rate determined based on the dedicated relative transmission
rate control signal, as a transmission rate in an uplink.