Digital communications receiver for dual input signal

Details Digital communications receiver for dual input signal Digital communications receiver for dual input signal

1976-08-06

1978-09-05

Griffin, Robert L.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325 42, 325 65, 325304, 325324, 343100PE, H04B 112

Patent

active

041123700

ABSTRACT:
A dual channel receiver system for receiving polarized signals, which system reduces cross-interference between the signal channels by utilizing adaptive filter equalization means responsive to the input received signals and to error control signals for providing a plurality of weighting signals which are used to combine selectively with the input received signals to reduce the errors, including particularly cross-polarization and noise errors therein. The channels each include decision-directed error signal generating means for providing such error control signals. The system also includes means for preventing system failures wherein both received signals fade simultaneously under which conditions data reversal in the channels could occur and wherein one received signal fades under which condition the same data is produced in both channels.

REFERENCES:
patent: 3500207 (1970-03-01), Ruthroff
patent: 3633107 (1972-01-01), Brady
patent: 3727136 (1973-04-01), Schroeder
patent: 3735266 (1973-05-01), Amitay
patent: 3875515 (1975-04-01), Stuart
patent: 3879664 (1975-04-01), Monsen
patent: 3883872 (1975-05-01), Fletcher
patent: 3914691 (1975-10-01), Meadors
patent: 3943448 (1976-03-01), Motley
patent: 3974449 (1976-08-01), Falconer
patent: 3986123 (1976-10-01), Tirro

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