Gain control in signal processing with feed-forward gain...

Details Gain control in signal processing with feed-forward gain... Gain control in signal processing with feed-forward gain...

2005-02-10

2010-02-02

Liu, Shuwang (Department: 2611)

Pulse or digital communications

Receivers

Automatic gain control

C375S320000, C375S233000, C375S297000, C375S232000

Reexamination Certificate

active

07656975

ABSTRACT:
A method and system is disclosed for providing an automatic gain control in signal processing. After receiving a stream of analog signals, a gain is adjusted on the received analog signals using a first set of gain compensation parameters. Then, the adjusted analog signals are converted to digital signals. A predetermined number of digital signals are collected from the converted digital signals within a predetermined time period. The collected digital signals are delayed from being transferred out for further demodulation processing for a predetermined delay time. At the same time, a second set of gain compensation parameters are estimated based on the collected digital signals. The estimated second set of gain compensation parameters are applied to the delayed digital signals.

REFERENCES:
patent: 2003/1002636 (2003-02-01), Stoter et al.
patent: 2003/0156666 (2003-08-01), Nichols
patent: 2004/0037378 (2004-02-01), Komori et al.
patent: 2004/0141571 (2004-07-01), Nagano

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