Multi-channel timing recovery system

Details Multi-channel timing recovery system Multi-channel timing recovery system

1996-02-16

1997-12-30

Vo, Don N.

Pulse or digital communications

Equalizers

Automatic

375326, 375327, 375328, 375355, H03H 730, H03H 740

Patent

active

057039054

ABSTRACT:
An "N" channel receiver system includes "N" A/D converters, one per channel, sampling the data received by their respective channels. The sampling rate of the A/D converters is controlled by a sampling clock signal generated by a timing recovery circuit. One rate of the sampling clock is a function of a timing signal applied to the timing recovery circuit. The system may be configured so that each channel produces N distinct timing signals, corresponding to the data signals received by each one of the N channels. The N distinct timing signals are coupled to a mechanism configured to selectively couple one of the N distinct timing signals to the timing recovery circuit. In a preferred embodiment, the signal-to-noise ratio (SNR) of the N received signals is sensed and the timing signal of the channel having the highest SNR is coupled via the controllable.

REFERENCES:
patent: 5274678 (1993-12-01), Ferolito et al.
patent: 5285482 (1994-02-01), Sehier et al.
patent: 5353312 (1994-10-01), Cupo et al.
patent: 5515403 (1996-05-01), Sloan et al.
patent: 5581585 (1996-12-01), Takatori et al.

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