Low data rate communications link

Details Low data rate communications link Low data rate communications link

1986-04-25

1989-08-08

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

375118, 455260, 331 1R, 370 74, H04L 2706, H04B 110

Patent

active

048560286

ABSTRACT:
The data link includes a phase noise compensator to eliminate phase noise resulting from microwave frequency sources on a communications satellite. In addition, Fourier analyzers are utilized to determine the frequency of received signals having low carrier-to-noise density. The combination of the phase noise compensator and the Fourier analyzers permits data rates on the order of 50 to 400 bits per second to provide economically attractive communication links with aircraft over ocean areas.

REFERENCES:
patent: 3379995 (1968-04-01), Koontz et al.
patent: 4271524 (1981-06-01), Goodman et al.
patent: 4348772 (1982-09-01), Leland et al.
patent: 4445224 (1984-04-01), Ihira et al.
patent: 4479249 (1984-10-01), Geesen et al.
patent: 4514855 (1985-04-01), Lang et al.

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