Differential phase shift keying method for the transmission of d

Details Differential phase shift keying method for the transmission of d Differential phase shift keying method for the transmission of d

1987-07-15

1989-01-17

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

375 57, 340310R, H04L 2718, H04B 1300

Patent

active

047992387

ABSTRACT:
A PSK data transmission method wherein in the presence of disturbances which are harmonics of a common fundamental frequency, the disturbance signals are eliminated by the fact that the symbol duration (T) of the data symbols, to be transmitted, of a baseband signal (B(t)) is selected in such a manner that the period duration of the disturbance signal (S(t)) is an integral multiple N.T of the symbol duration. By forming the difference between symbols separated by N intervals from each other at the receiver side, the disturbance signal (S(t)) is completely suppressed while the data rate can be arbitrarily determined via the choice of N.

REFERENCES:
patent: 3739277 (1973-06-01), Schneider et al.
patent: 3980824 (1976-09-01), Lamb et al.
patent: 4101834 (1978-07-01), Stutt et al.
patent: 4302844 (1981-11-01), Bruene
patent: 4706261 (1987-11-01), Torre et al.

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