A communication terminal has an EVDO radio control section which performs radio communication control based on an EVDO communication system, and a data communication control section which releases a data link and requests the EVDO radio control section to release a communication session if a power-off command is entered. The EVDO radio control section releases the communication session in response to the communication session release request made by the data communication control section. When the EVDO radio control section releases the communication session based on a command for a power-off processing, the EVDO radio control section maintains the communication session released. When the EVDO radio control section releases the communication session based on any command other than the command of the power-off processing, the EVDO radio control section performs the reconnection processing of the communication session.

 
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< Transmission power control apparatus and radio base station

> Co-located radio operation

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