| 摘要 |
PROBLEM TO BE SOLVED: To flexibly reduce interference to an adjacent system frequency band based on a control signal for specifying a frequency band to be used in a mobile communication system. SOLUTION: A user apparatus includes a maximal transmission power control unit 1083 configured so as to receive a control signal for specifying a frequency band in a downlink and control maximal transmission power in a predetermined channel of an uplink. The maximal transmission power control unit 1083 determines, in accordance with the frequency band specified by the control signal, whether the maximal transmission power in the predetermined channel is to be set smaller than a rated power regulated in the mobile communication system. COPYRIGHT: (C)2010,JPO&INPIT
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