| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an operation control device, a radio receiving device and an operation control method, which are suitable to reduce power consumption of a radio receiving device for receiving and demodulating a radio signal. <P>SOLUTION: A radio receiving device 1 has a configuration including an antenna 101, an LNA 102, a detector circuit 103, an LPF 104, an amplifier 105, a decision unit 106, an operation control unit 107 and a baseband processing unit 108. The operation control unit 107 has a configuration including a first detection window signal generator 107a, a determination signal detection unit 107b, a second detection window signal generator 107c, a synchronization signal generator 107d, a third detection window signal generator 107e, a synchronization signal decision unit 107f, and a selector 107g. Then, while synchronization is achieved by the synchronization signal generator 107d, operation of the LNA 102 is ON/OFF-controlled by a second detection window signal having a cycle according to a known pulse receiving cycle produced by the second detection window signal generator 107c. <P>COPYRIGHT: (C)2010,JPO&INPIT |
