Patent ID: 7136666

Claim:
A method for controlling the transmission power in the uplink direction from a user equipment in a CDMA-based radio system that comprises at least one base station, an associated serving radio network controller, an inner power control loop that adjusts transmission power between the user equipment and at least one of the base stations based on the signal to interference ratio, and an outer power control loop that adjusts the target signal to interference ratio based on a link quality, the method comprising: providing the outer power control loop by: establishing at the at least one base station a first outer power control loop stage of an outer power control loop for the at least one base station and the user equipment in which a target signal to interference ratio is adjusted according to which the user equipment adjusts the uplink transmission power; and establishing at the associated serving radio network controller a second outer power control loop stage of said outer power control loop for the associated serving radio network controller and the at least one base station for ensuring a target link quality necessary for fulfilling a predetermined quality of service.