Table 9.
Comparison of various studies on adaptive modulation and hierarchical classification.
| Study | Adaptive modulation | Hierarchical classification | ML-based approach | Real-time adaptation | Modulation diversity |
|---|---|---|---|---|---|
| Adaptive modulation under Doppler effects14 | ✓ | ✗ | ✗ | ✗ | ✗ |
| HLD classification (Jajo et al.)15 | ✗ | ✓ | ✗ | ✗ | ✗ |
| SUI channel model (A. Hashib et al.)16 | ✓ | ✗ | ✗ | ✗ | ✗ |
| Cross-layer SDR Design (Shahzad et al.)17 | ✓ | ✗ | ✗ | ✓ | ✗ |
| AMR classifier (Ali et al.)18 | ✗ | ✓ | ✓ | ✗ | ✗ |
| Hierarchical SVM classifier19 | ✗ | ✓ | ✓ | ✗ | ✗ |
| Cognitive radio in satellite networks13 | ✗ | ✗ | ✓ | ✓ | ✗ |
| Our approach | ✓ | ✓ | ✓ | ✓ | ✓ |