Interference elimination system

Details Interference elimination system Interference elimination system

1991-03-01

1993-04-20

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

With wave collector

4552772, 4552781, 379172, H04B 106

Patent

active

052049817

ABSTRACT:
Accordingly to the present invention, when an incidence angle of a direct wave or a satellite elevation angle reaches a predetermined value, signals from two (or more) antennas, which are disposed at positions where variations in the field intensities of radio waves recevied by the two antennas are negatively correlated (i.e. when the received signal level of one of them is low, the received signal level of the other is high) or uncorrelated (i.e. the variations are not related to each other), are successively or discretely switched at a suitable switching period, by which burst-like errors are spread with time to perform the de-interleave or interleave function in decoding transmitted signals.

REFERENCES:
patent: 3836929 (1974-09-01), White
patent: 4279036 (1981-07-01), Pfund
patent: 4736455 (1988-04-01), Matsue et al.
patent: 4876743 (1989-10-01), Lindenmeier et al.

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