On-line channel quality monitor for a communication channel
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United States of America Patent
Stats
-
Dec 8, 1981
Grant Date -
N/A
app pub date -
May 31, 1979
filing date -
May 31, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An on-line channel monitor, for measuring E.sub.b /N.sub.O, measures the quality of a communication channel while the channel is in use. The channel monitor employs a soft-decision demodulator so as to compare analog signal levels of an AGC compensated signal in a demodulator with the desired signal level. Deviations, termed pseudo-errors, are counted and the number of counts integrated. The result is employed to drive a meter calibrated in terms of E.sub.b /N.sub.O.
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