Arrangement for checking the synchronization of a receiver

Details Arrangement for checking the synchronization of a receiver Arrangement for checking the synchronization of a receiver

1980-03-26

1982-02-23

Safourek, Benedict V.

Pulse or digital communications

Spread spectrum

Direct sequence

375 20, 375108, 340347SH, H04L 706

Patent

active

043172121

ABSTRACT:
Arrangement for checking the synchronization of a data signal receiver. When frequency division is used as part of the clock signal regeneration process, a phase ambiguity may occur. To eliminate this ambiguity use is made of a monitoring device. In the present monitoring circuit the data signal is sampled twice in each symbol interval and a reliable criterion is obtained by integration of the amplitude differences of the samples.

REFERENCES:
patent: 3403377 (1968-09-01), Connolly
patent: 3846583 (1974-11-01), Boulter
patent: 4092725 (1978-05-01), Hershman
patent: 4149260 (1979-04-01), Loper

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