5G Interfaces | Uu interface, NG-1U interface, NG-1C interface

This page describes 5G Interfaces viz. Uu interface,NG-1U interface and NG-1C interface. It also mentions functions of 5G interfaces Uu, NG-1U and NG-1C.

5G RAN Architecture with 5G interfaces

The figure-1 depicts 5G RAN (Radio Access Network) architecture along with 5G interfaces. Following table describes functions of each.

5G Interface Description
Uu interface As shown it exists between 5G UE and 5G-RAN. It is called air interface.
NG-1U interface It exists between 5G-RAN and 5G User Plane.
NG-1C interface It exists between 5G-RAN and 5G Core Control.

Reference: TS V5G.300

5G NR network interfaces

5G NR gNB interfaces

Refer 5G NR network interface types >> which describes functions and locations of various 5G NR interfaces between 5G RAN (Radio Access Network) and 5GC (Core network).

5G NR Numerology | 5G NR Terminology

5G NR Control channels | 5G NR Traffic Channels | 5G NR Reference Signals and sequences


This 5G tutorial also covers following sub topics on the 5G technology:
5G basic tutorial
5G Frequency Bands
5G millimeter wave tutorial
5G mm wave frame
5G millimeter wave channel sounding
Difference between 4G and 5G
5G testing and test equipments
5G network architecture
5G NR Physical layer
5G NR MAC layer
5G NR RLC layer
5G NR PDCP layer

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