Method for generating a pseudo-signal in an error rate superviso

Details Method for generating a pseudo-signal in an error rate superviso Method for generating a pseudo-signal in an error rate superviso

1979-05-18

1981-01-27

Atkinson, Charles E.

Excavating

375 34, 375 57, 371 64, H04B 1700, G06F 1100

Patent

active

042479380

ABSTRACT:
A method and circuit for generating a pseudo-error signal comprising a demodulator circuit for demodulating an input signal; a first discriminator circuit for regenerating a first digital data signal by discriminating the output of the demodulator circuit; a noise extracting means for extracting a noise component from the input signal; an adding circuit for adding the output of the noise extracting means and the output of the demodulator circuit; a second discriminator circuit for regenerating a second digital data signal by discriminating the output of the adding circuit, and; an exclusive OR circuit for recognizing whether or not the first digital data signal coincides with the second digital data signal.

REFERENCES:
patent: 3665394 (1972-05-01), Lender et al.
patent: 3689884 (1972-09-01), Tew, Jr.
patent: 3721959 (1973-03-01), George
patent: 4034340 (1977-07-01), Sant'Agostino
Gooding, Performance Monitor Techniques for Digital Receivers Based on Extrapolation of Error Rate, IEEE Trans. on Comm. Tech., vol. Com-16, No. 3, Jun. 1968, pp. 380-387.

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