Received signal processing apparatus

Details Received signal processing apparatus Received signal processing apparatus

1986-02-19

1987-11-24

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

375 99, 371 5, 371 36, 371 69, H04B 110, H04L 108

Patent

active

047093765

ABSTRACT:
An apparatus for processing a digital signal which is transmitted from a transmit station by radio equipment and contains the same repetitive information employs the principle of decision by majority. A particular signal pattern with the least error rate is determined by majority. Noncoincident bits between the determined signal pattern and each of the repeatedly received patterns are counted and, then, the number of noncoincident bits is determined on each of a predetermined number of patterns which are selected by a selector out of the repeatedly received ones. When the number is smaller than a predetermined one, the pattern is allowed for processing. That is, the signal pattern is processed by measuring the bit error rate in a transmission path with the signal pattern equivalently used as a reference.

REFERENCES:
patent: 3842399 (1974-10-01), Kneuer et al.
patent: 3863215 (1975-01-01), McGrogan, Jr.
patent: 4227175 (1980-10-01), Newman

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