H - Electricity – 04 – J
Patent
H - Electricity
04
J
363/17
H04J 3/07 (2006.01)
Patent
CA 1264876
SYNCHRONIZATION OF ASYNCHRONOUS DATA SIGNALS Abstract of the Disclosure An asynchronous data signal is synchronized by stuffing in dependence upon phase differences between the asynchronous signal and a resultant synchronized signal. The synchronized signal comprises tdm frames each including data bits and a stuffing opportunity bit, and a plurality of frames constitute a superframe in which different frames have different numbers of data bits. To compensate for the biassed timing of stuff requests which would otherwise occur relative to the frame timing in the superframes, the threshold value with which the phase difference is compared to produce the stuff requests is modified with a stepped sawtooth waveform having a period equal to that of the superframe.
538536
Mceachern James Angus
Moore Thomas Edward
Haley R. John
Nortel Networks Limited
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