Table 4 The best-proposed state activation functions (SAFs)
From: Modified state activation functions of deep learning-based SC-FDMA channel equalization system
No. | AF | Last dB | BER | Optimization algorithm | Loss function |
|---|---|---|---|---|---|
1 | Softsign | 12 | 0.00009766 | Adam | Cross-entropy |
2 | Gaussian | 12 | 0.000415 | RMSProp | Cross-entropy |
3 | Bitanh2 | 12 | 0.0002848 | SGdm | Cross-entropy |
4 | Cloglogm | 12 | 0.0000732 | Adam | Sum squared errors |
5 | Elliott | 12 | 0.00005697 | RMSProp | Sum squared errors |
6 | Gaussian | 12 | 0.0001221 | SGdm | Sum squared errors |