Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train
Reexamination Certificate
2007-09-06
2010-10-12
Wang, Ted M (Department: 2611)
Pulse or digital communications
Systems using alternating or pulsating current
Plural channels for transmission of a single pulse train
C375S216000, C375S345000, C455S127100, C455S232100
Reexamination Certificate
active
07813436
ABSTRACT:
In a method for synchronizing a receiver to a synchronous signal, a plurality of potential symbols are detected in a signal, the signal having been processed based on automatic gain control (AGC) with a varying gain. Next frame potential symbols corresponding to potential symbols in the plurality of potential symbols are determined, the next frame potential symbols being in frames subsequent to the frames in which the corresponding potential symbols are located. A gain of the AGC is fixed for each corresponding symbol interval during which a next frame potential symbol is operated on by the AGC. In between next frame potential symbols, the AGC is allowed to vary. Next frame potential symbols are analyzed after a transform is calculated to determine if any correspond to a start of a frame.
REFERENCES:
patent: 6865168 (2005-03-01), Sekine
patent: 6879630 (2005-04-01), Kokuryo et al.
patent: 7394870 (2008-07-01), Chien et al.
Lee Jung-won
Lou Hui-Ling
Song Leilei
Wu Songping
Zhao Qing
Marvell International Ltd.
Wang Ted M
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