Convolution data recovery circuit

Details Convolution data recovery circuit Convolution data recovery circuit

1987-03-04

1989-01-24

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

375 84, H04L 2722

Patent

active

048005762

ABSTRACT:
In a receiver of the type that receives an incoming phase shift keying (PSK) signal and recovers data therefrom, a data recovery circuit which utilizes convolution techniques. The data recovery circuit generates an array of phase vectors representative of the incoming PSK signal and convolutes the vectors against a weighting curve to generate binary weighted outputs. The magnitude of the outputs represents one of the phases of the incoming PSK signal. If the incoming phase is undefined, the binary weighted outputs are not updated.

REFERENCES:
patent: 4302845 (1981-11-01), McClaughry et al.
patent: 4379284 (1983-04-01), Boykin
patent: 4466108 (1984-08-01), Rhodes
patent: 4646173 (1987-02-01), Kammeyer et al.
patent: 4648098 (1987-03-01), Kerr

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