Pulse or digital communications – Equalizers – Automatic
Patent
1996-04-08
1998-10-20
Pham, Chi H.
Pulse or digital communications
Equalizers
Automatic
3647242, H04L 702, H04L 2503, H04L 27227, H04L 2701
Patent
active
058258183
ABSTRACT:
An apparatus for recovering a timing signal from a received signal in a transmission apparatus includes an equalizer equalizing a processed signal which is provided by processing the received signal with a first signal and adjusting tap coefficients so as to eliminate distortion in the processed signal. A tap-power distribution detector detects a distribution of the tap coefficients adjusted in the equalizer. A phase control part controls a phase of the first signal according to the distribution of the tap coefficients detected in the tap-power distribution detector. In the apparatus, the phase of the first signal is controlled so as to be synchronized with a timing signal component in the received signal.
REFERENCES:
patent: 4805191 (1989-02-01), Burch et al.
patent: 4815103 (1989-03-01), Cupo et al.
patent: 5297165 (1994-03-01), Ueda et al.
patent: 5353312 (1994-10-01), Cupo et al.
patent: 5581585 (1996-12-01), Takatori et al.
Kaku Takashi
Okita Ryoji
Fujitsu Limited
Luther William
Pham Chi H.
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