There is provided a method of selecting transport channel parameters and a radio system comprising user equipment communicating with at least one base station and a controller for controlling the communication between the user equipment and the base station. The base station comprises means for providing information on the type of reception used in the base station, the controller comprises means for generating more than one transport format combination set, TFCS, the TFCSs having different effective coding rates, ECR, for different data rates used in the radio system, and means for selecting a specific TFCS to be used by the user equipment on the basis of the type of reception used in the base station and the effective coding rates of the more than one TFCS, and the user equipment comprises means for using the specific TFCS based on the selection of the controller.