Table 3 Modulation formats.
From: Modeling and analysis of the coupling effect for large-scale multi-band optical networks
Modulation formats | Spectrum efficiency (bit/s/Hz) | GSNR threshold (dB) |
|---|---|---|
PM-BPSK | 2 | 5.32 |
PM-QPSK | 4 | 8.32 |
PM-8QAM | 6 | 12.313 |
PM-16QAM | 8 | 14.98 |
PM-32QAM | 10 | 17.96 |
PM-64QAM | 12 | 20.88 |
PM-128QAM | 14 | 23.78 |
PM-256QAM | 16 | 26.655 |
