Receiver for phase-shift modulated carrier signals

Details Receiver for phase-shift modulated carrier signals Receiver for phase-shift modulated carrier signals

1982-11-03

1984-10-02

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

375120, 329122, H03D 302

Patent

active

044752172

ABSTRACT:
A receiver for recovering digital data from a phase-shift modulated carrier in a data communications system employs a matched filter within the servo loop controlling the local oscillator frequency to increase the signal to noise ratio of the receiver. Thus signals having an amplitude less than the amplitude of harmonics of the carrier can be detected. In the preferred embodiment, the matched filter comprises an integrate and dump filter which integrates at the received data baud rate. ,

REFERENCES:
patent: 4079329 (1978-03-01), England et al.
patent: 4085378 (1978-04-01), Ryan et al.
patent: 4100499 (1978-07-01), Monrolin
patent: 4143322 (1979-03-01), Shimamura
patent: 4285060 (1981-08-01), Cobb et al.

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