TS 38.422 – Xn Signalling Transport Specification
3GPP TS 38.422 is the 3GPP Technical Specification for Xn Signalling Transport Specification. It is published in 5 releases (Rel-15 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies transport of XnAP signalling messages over the Xn interface between NG-RAN nodes using SCTP over IP.
Releases and versions of TS 38.422
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.1.0 | Read · Download (3GPP) |
| Rel-17 | 17.1.0 | Read · Download (3GPP) |
| Rel-16 | 16.1.0 | Read · Download (3GPP) |
| Rel-15 | 15.4.0 | Read · Download (3GPP) |
Scope of TS 38.422
Category: Radio Access (NG-RAN Interfaces). 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
Specifications referenced by TS 38.422
Specifications that reference TS 38.422
Other specifications in the 38 series
- TS 38.414 NG Interface User Plane Protocol
- TS 38.415 PDU Session User Plane Protocol
- TS 38.420 Introduction to Xn interface specifications
- TS 38.421 Xn Interface Layer 1 Specification
- TS 38.423 NG-RAN Xn Application Protocol
- TS 38.424 Xn Interface User Plane Transport Protocol
- TS 38.425 NR User Plane Protocol Specification
- TS 38.455 NR Positioning Protocol A
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 38.422?
3GPP TS 38.422 is the 3GPP Technical Specification for Xn Signalling Transport Specification. Specifies transport of XnAP signalling messages over the Xn interface between NG-RAN nodes using SCTP over IP.
Which 3GPP releases include TS 38.422?
TS 38.422 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 38.422 belong to?
TS 38.422 belongs to the Radio Access (NG-RAN Interfaces) category of 3GPP specifications. It applies to 5G networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →