6.1 Overview

38.2113GPPNRPhysical channels and modulationRelease 17TS

6.1.1 Overview of physical channels

An uplink physical channel corresponds to a set of resource elements carrying information originating from higher layers. The following uplink physical channels are defined:

– Physical Uplink Shared Channel, PUSCH

– Physical Uplink Control Channel, PUCCH

– Physical Random Access Channel, PRACH

6.1.2 Overview of physical signals

An uplink physical signal is used by the physical layer but does not carry information originating from higher layers. The following uplink physical signals are defined:

– Demodulation reference signals, DM-RS

– Phase-tracking reference signals, PT-RS

– Sounding reference signal, SRS