TS Latest: Rel-19 Radio Access 5G

TS 38.474 – F1 Interface User Plane Protocol

3GPP TS 38.474 is the 3GPP Technical Specification for F1 Interface User Plane Protocol. It is published in 5 releases (Rel-15 to Rel-19); the latest version is 19.0.0 in Rel-19.

Specifies user data transport protocols & signalling for establishing user plane bearers over the F1 interface between gNB-CU and gNB-DU in 5G RAN.

Read TS 38.474 →

Document type

Technical Specification

Latest release

Rel-19

Latest version

19.0.0

Series

38 series

Releases and versions of TS 38.474

Release	Latest version	Links
Rel-19	19.0.0	Read · Download (3GPP)
Rel-18	18.0.0	Read · Download (3GPP)
Rel-17	17.0.0	Read · Download (3GPP)
Rel-16	16.1.0	Read · Download (3GPP)
Rel-15	15.3.0	Read · Download (3GPP)

Scope of TS 38.474

Category: Radio Access (F1 Interface). Technology generation: 5G. Network layer: RAN.

Who should read this specification?

Network operators
Device manufacturers
Researchers and academics

Implementation notes

Complexity level: Intermediate. Implementation difficulty: Medium.

Key technologies

5GNRGTPUDPIP

Specifications referenced by TS 38.474

TR 21.905 3GPP Terminology and Definitions
TS 29.281 GTPv1-U Protocol Specification
TS 38.300 NR and NG-RAN Overall Description
TS 38.401 NG-RAN Architecture Description
TS 37.340 Overview of Multi-Connectivity Operation using E-UTRA and NR

Specifications that reference TS 38.474

TS 33.501 5G Security Architecture
TS 38.401 NG-RAN Architecture Description
TS 38.470 F1 Interface Specification for NG-RAN
TS 37.483 E1 Application Protocol (E1AP)

Other specifications in the 38 series

TS 38.470 F1 Interface Specification for NG-RAN
TS 38.471 F1 Interface Layer 1 Specification
TS 38.472 F1 Interface Signalling Transport Specification
TS 38.473 F1 Application Protocol (F1AP)
TS 38.508 5G NR UE ICS Proforma
TS 38.508-1 NR Test Frequencies and Band Configurations
TS 38.508-2 5G NR UE ICS Proforma for Conformance Testing
TS 38.509 UE Special Conformance Testing Functions

Related glossary terms

E-UTRAN TNL GTP-U Clause TEID IETF F1AP DSCP DL 5QI NR RAN

Related technologies

Frequently asked questions

What is 3GPP TS 38.474?

3GPP TS 38.474 is the 3GPP Technical Specification for F1 Interface User Plane Protocol. Specifies user data transport protocols & signalling for establishing user plane bearers over the F1 interface between gNB-CU and gNB-DU in 5G RAN.

Which 3GPP releases include TS 38.474?

TS 38.474 is published in 5 releases, from Rel-15 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).

What category does TS 38.474 belong to?

TS 38.474 belongs to the Radio Access (F1 Interface) category of 3GPP specifications. It applies to 5G networks.

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