| 摘要 |
A transmission power control method for controlling a transmission power of an E-AGCH including an absolute transmission rate of uplink user data, which is transmitted from a cell controlled by a radio base station to a mobile station, includes: notifying, from a radio network controller to the radio base station which controls a serving cell, an offset between the transmission power of the E-AGCH and a transmission power of a DPCH, when the mobile station is performing a soft-handover with the serving cell and non-serving cells; determining, at the serving cell to which the offset is notified, the transmission power of the E-AGCH based on the notified offset; and transmitting, at the serving cell, the E-AGCH to the mobile station using the determined transmission power.
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