Table 5 Ablation study: The loss function for channel estimation.
From: Joint channel estimation and feedback with masked token transformers in massive MIMO systems
Method | L1+L1 | L1+NMSE | NMSE+NMSE |
|---|---|---|---|
High density | 0.9748 | 0.9770 | 0.9774 |
Low density | 0.9330 | 0.9363 | 0.9366 |