Patent ID: 7039023

Claim:
A transmission power control apparatus, comprising: a plurality of transmission power control means respectively provided for channels, said plurality of transmission power control means comprising one first transmission power control means and a plurality of second transmission power control means; and central processing means for selecting said first transmission power control means from said plurality of transmission power control means and setting a basic code therefor in response to generation of a call upon multi-code connection while setting subordinate codes for said second transmission power control means, wherein said first transmission power control means performs downstream transmission power control in accordance with a state of communication with a mobile unit and notifies said central processing means of a control result, said central processing means notifies all said second transmission power control means of the notified control result; and said second transmission power control means performs downstream transmission power control on a self-channel on the basis of the notified control result, wherein said transmission power control means and said central processing means are installed in a radio base station of a CDMA mobile communication system.