Decision directed gain control

Details Decision directed gain control Decision directed gain control

1989-01-03

1990-02-27

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

307359, 341156, 341200, 375 76, H04L 2506

Patent

active

049052551

ABSTRACT:
In a receiver for receiving and decoding a baseband multilevel signal into a digital data signal, and A/D converter produces in addition to the decoded data bits a "soft" bit, which inherently indicates the error polarity of the baseband signal. The soft bits are binary added to the most significant data bits to produce a sum bit. The sum bits are integrated, and the integral is used in a feedback loop to control the baseband signal amplitiude.

REFERENCES:
patent: 4250458 (1981-02-01), Richmond et al.
patent: 4553102 (1985-11-01), Yoshida
patent: 4602374 (1986-07-01), Nakamura et al.

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