Methods and apparatus for burst tolerant excessive bit error rate alarm detection and clearing
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United States of America Patent
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Aug 10, 2004
Grant Date -
Jan 30, 2003
app pub date -
Mar 29, 2001
filing date -
Mar 29, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The excessive bit error rate detection algorithm operates in two modes: BURST mode and non-BURST mode. In non-BURST mode, an alarm state is entered if an error count exceeds a threshold within a set number of frames and exits the alarm state when the error count stays below a threshold for a set number of frames. In the BURST mode, the alarm state is not entered unless the error count exceeds the threshold two consecutive times and does not exit the alarm state unless the error rate remains below a threshold for two consecutive frame counts.
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