Decision directed gain control
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United States of America Patent
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-
Feb 27, 1990
Grant Date -
N/A
app pub date -
Jan 3, 1989
filing date -
Jan 3, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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