Unidirectional phase shift keyed communication system

Details Unidirectional phase shift keyed communication system Unidirectional phase shift keyed communication system

1976-01-15

1978-12-19

Safourek, Benedict V.

Telegraphy

Systems

Printing

178 67, H04L 2710

Patent

active

041308026

ABSTRACT:
A unidirectional phase shift keyed (UPSK) communication system wherein the data sequence to either an in-phase channel or a quadrature channel is delayed by a one-half bit period with respect to the data sequence to the other channel whereby bi-phase modulation is effected in phase shift steps in a predetermined phasor direction.

REFERENCES:
patent: 3343093 (1967-09-01), Gerwen
patent: 3423529 (1969-01-01), O'Neill
patent: 3597688 (1971-08-01), Ogi

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