Method and apparatus for composite signal separation and FM demo

Details Method and apparatus for composite signal separation and FM demo Method and apparatus for composite signal separation and FM demo

1994-04-22

1997-03-25

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency or phase modulation

455303, 455337, 329316, 375327, H04B 710

Patent

active

056154119

ABSTRACT:
A composite signal recognizer, separator, and FM demodulator apparatus for processing received radio signals. The receiver utilizes N demodulators to process a received signal, where N is equal to or greater than the number of co-channel signals or perceived interference. Detailed in both cross-coupled and cascaded fashion, the receiver first tracks to a predominant (stronger) signal, and regeneratively improves track on other (weaker) signals by subtracting the predominant signal or the predominant noise portion from the input of further demodulation stages.

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