Quality of Transmission (QoT) refers to a measure of the performance and reliability of data transmission over a network, particularly in optical fiber communication systems. QoT evaluates how effectively the network can deliver data with minimal errors, delays, and distortions. It is a critical metric for ensuring the efficient functioning of communication networks, as it directly impacts the user experience and the overall system performance.
We propose a method to estimate the input power dependency of the transceiver BER-OSNR characteristic. Experiments using commercial transceivers show that estimation error in Q-factor is less than 0.2 dB.
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