| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mobile communication system, mobile station device, base station device, and handover method capable of speeding up handover. Ž<P>SOLUTION: A mobile station 12 performing handover to a base station 14-2 from a base station 14-1 corrects a transmission power of uplink ANCH to the base station 14-2 of a handover destination, based on a transmission power of an uplink signal to the base station 14-1 under communication, a propagation loss of a downlink signal transmitted from the base station 14-1 under communication, and a propagation loss of a notification control channel S100 transmitted from the base station 14-2 of the handover destination (S124). Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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