Bit error rate measuring system

Details Bit error rate measuring system Bit error rate measuring system

1983-04-19

1986-01-21

Fleming, Michael R.

Excavating

375 86, 375 52, G06F 1100

Patent

active

045661006

ABSTRACT:
A bit error rate of M-phase digital phase-modulated waves is measured by the steps comprising multiplying a received wave by M, phase-detecting the M-multiplied signal either directly or after frequency conversion, detecting errors by comparing the output level of the phase detection with a threshold, and counting the number of such errors. By employing above mentioned system, a bit error rate can be measured easily and accurately by a simple circuit structure.

REFERENCES:
patent: 4189622 (1980-02-01), Foslee
patent: 4291403 (1981-09-01), Waddill et al.
patent: 4305150 (1981-12-01), Richmond et al.
patent: 4355044 (1982-10-01), Uzunoglu
patent: 4367550 (1983-01-01), Douvcine
Takenaka, et al, "Bit Error Rate Monitor for Four Phase PSK System", Conference: ICC 1980, 8-12 Jun. 1980.
Goodins, "Performance Monitor Techniques for Digital Receivers Based on Extrapolation of Error Rate", IEEE Transaction, vol. Com. 16, No. 3, Jun. 1968.

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