| REFERENCE SIGNAL USE IN NETWORK | LTE | 5G-NR |
| DL Channel State Information | CRS, CSI-RS | CSI-RS |
| UL Channel State Information | SRS | SRS |
| Data Channel Modulation | CRS,DMRS | DMRS |
| Control Channel Demodulation | CRS | DMRS |
| Phase tracking | PTRS | |
| Time and Frequency Tracking | CRS | TRS |
| Beam Management | SSB,CSI-RS | |
| Radio Link Monitoring | CRS | CSI-RS,SSB |
| RRM Measurement | CRS | CSI-RS,SSB |
Reference signal LTE VS NR
