Method and device for regenerating by maxima detection, a clock

Details Method and device for regenerating by maxima detection, a clock Method and device for regenerating by maxima detection, a clock

1996-02-16

1999-10-12

Bocure, Tesfaldet

Pulse or digital communications

Multilevel

375355, 370516, 327 58, H04L 2534, H04L 2549

Patent

active

059664088

ABSTRACT:
In order to restore a clock signal that has been used for coding digitized signals transmitted on a transmission channel, such as a line, the case when the received signals are distorted, the times (ti) when the signals go through their maxima (M) are detected with precision through an analysis of a series of samples (Ep) taken from the signals received during a time "window" (W) positioned with reference to a local clock. A device determines the amplitude differences between the successive samples and compares the difference configuration as obtained with predetermined standard configurations representative of forms that are acceptable for the maxima. In case when the difference configuration corresponds to no recognized standard configuration, the frequency of the local clock is changed so as to re-establish a sufficient similarity with a standard configuration.

REFERENCES:
patent: 3820015 (1974-06-01), Puckette

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