Abstract:Online quality of transmission (QoT) monitoring and validation enables conversion of unused margins into higher network capacities. We quantify the benefit of long-term performance awareness in a Pan-European optical network of a Tier-1 operator.
Ensemble learning using transponder telemetry to minimize the maximum absolute error (MAE) of the OSNR monitoring is studied. Trained model reduces the MAE to 2.08 dB which is 10 dB smaller than commercial DSP estimates.
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