TS 38.425 – NR User Plane Protocol Specification
3GPP TS 38.425 is the 3GPP Technical Specification for NR User Plane Protocol Specification. It is published in 5 releases (Rel-15 to Rel-19); the latest version is 19.1.0 in Rel-19.
Specifies the NR user plane protocol for flow control in NG-RAN and E-UTRAN, supporting EN-DC and LTE UP-CP split.
Releases and versions of TS 38.425
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.1.0 | Read · Download (3GPP) |
| Rel-18 | 18.1.0 | Read · Download (3GPP) |
| Rel-17 | 17.3.0 | Read · Download (3GPP) |
| Rel-16 | 16.3.0 | Read · Download (3GPP) |
| Rel-15 | 15.7.0 | Read · Download (3GPP) |
Scope of TS 38.425
Category: Radio Access (User Plane Protocols). Technology generation: 5G. Network layer: RAN.
Who should read this specification?
- Network operators
- Device manufacturers
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 38.425
- TR 21.905 3GPP Terminology and Definitions
- TS 29.281 GTPv1-U Protocol Specification
- TS 37.340 Overview of Multi-Connectivity Operation using E-UTRA and NR
- TS 36.321 E-UTRA MAC Protocol Specification
- TS 38.321 NR MAC Protocol Specification
- TS 36.322 E-UTRA Radio Link Control Protocol Specification
- TS 38.322 NR Radio Link Control (RLC) Protocol Specification
- TS 23.501 5G System Architecture
- TS 36.401 E-UTRAN Overall Architecture Description
Specifications that reference TS 38.425
- TS 38.300 NR and NG-RAN Overall Description
- TS 28.552 5G Network Performance Measurements
- TS 37.340 Overview of Multi-Connectivity Operation using E-UTRA and NR
- TS 29.281 GTPv1-U Protocol Specification
- TS 38.401 NG-RAN Architecture Description
- TS 36.401 E-UTRAN Overall Architecture Description
- TS 38.470 F1 Interface Specification for NG-RAN
- TS 37.470 W1 Interface Introduction for ng-eNB
- TS 38.420 Introduction to Xn interface specifications
Other specifications in the 38 series
- TS 38.421 Xn Interface Layer 1 Specification
- TS 38.422 Xn Signalling Transport Specification
- TS 38.423 NG-RAN Xn Application Protocol
- TS 38.424 Xn Interface User Plane Transport Protocol
- TS 38.455 NR Positioning Protocol A
- TS 38.460 E1 Interface General Aspects and Principles
- TS 38.461 E1 Interface Layer 1 Specification
- TS 38.462 E1 Signalling Transport Specification
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 38.425?
3GPP TS 38.425 is the 3GPP Technical Specification for NR User Plane Protocol Specification. Specifies the NR user plane protocol for flow control in NG-RAN and E-UTRAN, supporting EN-DC and LTE UP-CP split.
Which 3GPP releases include TS 38.425?
TS 38.425 is published in 5 releases, from Rel-15 to Rel-19. The latest version on 3GPP Explorer is 19.1.0 (Rel-19).
What category does TS 38.425 belong to?
TS 38.425 belongs to the Radio Access (User Plane Protocols) category of 3GPP specifications. It applies to 5G networks.
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