| ML | Machine Learning |
| RB | Resource Block |
| MMSE | Minimum Mean Square Error |
| UA-RA | User Association-Resource Allocation |
| BP | Blocking Probability |
| HetNets | Heterogeneous Networks |
| SINR | Signal to Interference plus Noise Ratio |
| NR | New Radio |
| CQI | Channel Quality Indicator |
| MBS | Macro Base Station |
| SBS | Small Base Station |
| OFDMA | Orthogonal Frequency Division Multiple Access |
| UMa (NLOS) | Urban Macro (Non-Line of Sight) |
| UMi (LOS) | Urban micro (Line of Sight) |
| AWGN | Additive White Gaussian Noise power |
| ANNs | Artificial Neural Networks |
| RF | Random Forest |