Accurate Performance Estimation for Nonlinear System
Xiaofei Su, Tong Ye, Chengwu Yang, Zhenning Tao, Hisao Nakashima, Takeshi Hoshida · 26th Optoelectronics and Communications Conference · 2021
The nonlinear term cannot be considered as the equivalent nonlinear noise in general because the odd order term contains the signal information. The orthogonal component is the correct noise and the estimation error is 0.2dB.