Method of and apparatus for detecting the presence of data in a

Details Method of and apparatus for detecting the presence of data in a Method of and apparatus for detecting the presence of data in a

1992-03-12

1995-07-04

Chin, Stephen

Pulse or digital communications

Synchronizers

H04L 700

Patent

active

054307716

ABSTRACT:
A receiver is synchronized to a signal and the presence of data in the signal is detected by responding to the signal to derive indications of the amount of time shift necessary to achieve synchronization between the receiver and signal. The receiver is adjusted to be in synchronization with the signal in response to the time shift indications. A measure of the spread of values of the time shift indications is derived. The presence of data in the signal is flagged in response to the spread of values being less than a threshold value.

REFERENCES:
patent: 4414676 (1983-11-01), Kraul et al.
patent: 5073905 (1991-12-01), Dapper et al.

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