| RR | Respiration rate |
| ECG | Electrocardiogram |
| PPG | Photoplethesmography |
| RRint | R–R-interval-based respiration signal |
| Rpeak | R-peak-based respiration signal |
| ADR | Accelerometer-derived respiration |
| DL | Deep learning |
| ML | Machine learning |
| LR | Learning rate |
| IT | Inference time |
| PC | Parameter count |
| MC | Monte Carlo |
| KD | Knowledge distillation |