Method of synchronizing a quadphase receiver and clock synchroni

Details Method of synchronizing a quadphase receiver and clock synchroni Method of synchronizing a quadphase receiver and clock synchroni

1979-07-11

1981-06-30

Safourek, Benedict V.

Pulse or digital communications

Spread spectrum

Direct sequence

375 86, H04L 702, H04L 2548

Patent

active

042766508

ABSTRACT:
The invention relates to a method for the clock synchronization of a receiver for demodulating a quadphase coded data signal and to a clock synchronization device for carrying out the method.
In the method according to the invention the first bit is compared (correlated) with the third bit and the second bit with the fourth bit: a high degree of correlation indicates that synchronization has been obtained and a low degree indicates absence of synchronization.

REFERENCES:
patent: 3755736 (1973-08-01), Kaneko et al.
patent: 3876833 (1975-04-01), Breant
patent: 3950616 (1976-04-01), Tarmo
patent: 4110558 (1978-08-01), Kageyama et al.
patent: 4112498 (1978-09-01), Reiner et al.

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