Synchronization method and synchronization recovery devices for

Details Synchronization method and synchronization recovery devices for Synchronization method and synchronization recovery devices for

1989-08-16

1991-09-03

Olms, Douglas W.

Pulse or digital communications

Spread spectrum

Direct sequence

375114, 3701051, H04L 704

Patent

active

050460749

ABSTRACT:
The invention enables extremely quick and reliable recovery of the synchronization of a communication signal transmitted in a half-duplex link. Such a communication signal comprises first time intervals including useful data, and second time intervals devoid of useful data and in a given logic state. At the beginning of each of the first time intervals is included a digital synchronization pattern which is then considered as associated with the second time intervals to form synchronization words of great length. The synchronization of the communication signal is recovered by detecting the synchronization words of great length in the communication signal.

REFERENCES:
patent: 4611336 (1986-09-01), Fryer
patent: 4679188 (1987-07-01), Fukuda et al.
patent: 4803703 (1989-02-01), DeLuca et al.
patent: 4841521 (1989-06-01), Amada et al.
patent: 4872186 (1989-10-01), Gerhart et al.

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