TS 38.523 – UE Conformance Specification TS 38523
3GPP TS 38.523 is the 3GPP Technical Specification for UE Conformance Specification TS 38523. Its official 3GPP title is “User Equipment (UE) conformance specification”. It is published in 2 releases (Rel-18 to Rel-19); the latest version is 19.4.0 in Rel-19.
Defines UE conformance requirements for 5G NR, covering idle mode, RRC_INACTIVE, inter-RAT reselection, PLMN selection, and roaming procedures.
Releases and versions of TS 38.523
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.4.0 | Read · Download (3GPP) |
| Rel-18 | 18.6.0 | Read · Download (3GPP) |
Scope of TS 38.523
Category: Testing (UE Conformance). Technology generation: 5G. Network layer: UE.
Who should read this specification?
- Device manufacturers
- Regulators and standards bodies
- Network operators
Protocols and interfaces
Protocols: NAS, NGAP, GTP-U, SOR
Interfaces: N1, N2, Uu, Xn
Key use cases
- VoNR
- Network Slicing
- Roaming
Implementation notes
Complexity level: Expert. Implementation difficulty: High.
Key technologies
Specifications referenced by TS 38.523
- TS 36.508 Common Test Environments for UE
- TS 36.509 EPC Special UE Conformance Testing Functions
- TS 34.123 UE Conformance Specification
- TS 36.523 E-UTRA Radio Access Procedures
- TS 38.321 NR MAC Protocol Specification
- TS 38.322 NR Radio Link Control (RLC) Protocol Specification
- TS 38.323 PDCP Protocol Specification
- TS 38.331 NR Radio Resource Control (RRC)
- TS 36.331 E-UTRA Radio Resource Control (RRC) Protocol
- TS 24.301 EPS NAS Mobility and Session Management
- TS 38.211 NR Physical Channels and Signals
- TR 21.905 3GPP Terminology and Definitions
Specifications that reference TS 38.523
Other specifications in the 38 series
- TS 38.521-3 NR;User Equipment (UE) conformance specification;Radio transmission and reception;Part 3: Range 1 and Range 2 Interworking operation with other radios
- TS 38.521-4 NR UE Conformance: Demodulation Performance
- TS 38.521-5 NR UE Conformance for Satellite Access
- TS 38.522 UE Conformance Specification for NR
- TS 38.523-1 NR UE Conformance Test for Idle Mode
- TS 38.523-2 5G NR UE Protocol Test Cases Applicability
- TS 38.523-3 3GPP UE Conformance Testing for 5G System
- TS 38.533 UE Conformance Specification for 5G NR
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 38.523?
3GPP TS 38.523 is the 3GPP Technical Specification for UE Conformance Specification TS 38523. Defines UE conformance requirements for 5G NR, covering idle mode, RRC_INACTIVE, inter-RAT reselection, PLMN selection, and roaming procedures.
Which 3GPP releases include TS 38.523?
TS 38.523 is published in 2 releases, from Rel-18 to Rel-19. The latest version on 3GPP Explorer is 19.4.0 (Rel-19).
What category does TS 38.523 belong to?
TS 38.523 belongs to the Testing (UE Conformance) 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 →