Patent Document ID: 9077508
Application ID: 13677490
Patent Flag: 1

Claim One:
1. An optical communications network, comprising: an optical transmitter, further comprising: a forward error correction (FEC) encoder; a precoder: and a modulator; an optical receiver, further comprising: a detector; a FEC decoder; a decision block; and an error check block; an optical fiber connecting the optical transmitter and the optical receiver; a first analyzer, connected between the optical transmitter and the optical receiver, configured to generate an extrinsic information transfer (EXIT) chart, and adapting the FEC encoder according to the EXIT chart; and a second analyzer, connected between the optical transmitter and the optical receiver, configured to generate nonlinear statistics of an optical channel in the optical fiber between the optical transmitter and the optical receiver, and adapting, the precoder and the modulator according to the nonlinear statistics.