Radio reception apparatus, signal processing timing control...

Details Radio reception apparatus, signal processing timing control... Radio reception apparatus, signal processing timing control...

2006-06-27

2006-06-27

Nguyen, Duc (Department: 2643)

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

C455S234200, C455S239100, C455S240100, C455S241100, C375S261000, C375S345000

Reexamination Certificate

active

07068988

ABSTRACT:
In a radio reception apparatus, a variable gain of a reception amplifier is adjusted by an AGC control unit for each frame of a received signal for execution of an AGC operation. The AGC control unit determines and indicates to a digital signal processing unit an AGC operation end point of time. The digital signal processing unit executes prescribed signal processing on a digital signal obtained after the end of the AGC operation, in a known signal segment. Therefore, reception errors caused by erroneous amplitude values of digital signals resulting from the AGC operation can be prevented.

REFERENCES:
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patent: 2001/0053680 (2001-12-01), Yamanaka et al.
patent: 2003/0026363 (2003-02-01), Stoter et al.
patent: 59-182660 (1984-10-01), None
patent: 4-117837 (1992-04-01), None
patent: 4-167629 (1992-06-01), None
patent: 11-341091 (1999-12-01), None
patent: 2000-286654 (2000-10-01), None

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