| Work | Attenuation (dB/km) | LOS (metre) | Q-factor | BER | Bit Rate (Gbps) |
| Ref [14] | 40 | - | 30.2722 | 9.174e−202 | 2.5 |
| ASK DLF (proposed) | 40 | 1900 | 44.994 | 0 | 10 |
| PSK DLF (proposed) | 40 | 1900 | 46.139 | 0 | 10 |