Method and system for synchronizing mutually interfering signals

Details Method and system for synchronizing mutually interfering signals Method and system for synchronizing mutually interfering signals

1993-01-21

1994-07-05

Mis, David

Demodulators

Phase shift keying or quadrature amplitude demodulator

Input signal combined with local oscillator or carrier...

331 12, 342362, 455295, H03D 300, H03L 707, H04B 112, H04B 710

Patent

active

053270932

ABSTRACT:
The present invention concerns a method and a system for demodulating mutually interfering signals according to a suitable synchronism bond between said signals. With such a system a complete decoupling of the demodulators of said signals is obtained. The system is characterized in that on each polarization there is at least a pair of demodulators, a first pair operate a baseband conversion of both signal H and V using the carrier recovery circuit driven by data of one of the two signals (e.g. V) and a second pair operate still a baseband conversion of both signals H and V but using said carrier recovery circuit now driven by data of the other signal (e.g. H).

REFERENCES:
patent: 4112370 (1978-09-01), Monsen
patent: 4660045 (1987-04-01), Clark
patent: 4757319 (1988-07-01), Lankl
patent: 4942592 (1990-07-01), Leitch et al.
patent: 5065411 (1991-04-01), Muto

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