EURASIP Journal on Advances in Signal Processing

Table 1 Parameter setting of simulation system

From: Research on alleviating nonlinear problem by data feature extraction and fusion based on DFT-spread

Key parameters of SMF	Value
Length of fiber	100 km
Dispersion coefficient	16 ps/nm/km
Nonlinear index	2.6e-20 m²/W
Attenuation coefficient	0.2 dB/km
Effective core area	80e-12 m²
IFFT/FFT point	256
Launch power	3–10 dBm
Received power	− 9–1 dBm
Bandwidth	20 GHz
SNR	22 dB

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