Evaluation of correlative coding and DP-16QAM N-channel 112Gbit/s coherent transmission: Digital non-linear compensation perspective

We report on the complexity reduction of digital backward propagation (DBP) by utilizing correlative encoded transmission over 1640km fiber link. Comparative system performance w.r.t DP-16QAM transmission can be achieved with 60% less computations and with a step-size of 205km.

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