Uplink Physical Signals
The base station uses the DM-RS and the SRS to aid channel estimation and to support measurements. For phase noise compensation, the base station uses the PUSCH PT-RS.
PUSCH Demodulation Reference Signal
PUSCH Phase Tracking Reference Signal
- NR PUSCH Resource Allocation and DM-RS and PT-RS Reference Signals
Learn about the effects of PUSCH resource allocation on the time-frequency structure of DM-RS and PT-RS.