TS 24.171 – NAS Protocol for LCS in E-UTRAN
3GPP TS 24.171 is the 3GPP Technical Specification for NAS Protocol for LCS in E-UTRAN. It is published in 11 releases (Rel-9 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies NAS layer operations and coding for Location Services (LCS) in LTE networks between UE and MME.
Releases and versions of TS 24.171
| 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 | 16.0.0 | Read · Download (3GPP) |
| Rel-15 | 15.0.0 | Read · Download (3GPP) |
| Rel-14 | 14.0.0 | Read · Download (3GPP) |
| Rel-13 | 13.0.0 | Read · Download (3GPP) |
| Rel-12 | 12.0.0 | Read · Download (3GPP) |
| Rel-11 | 11.0.0 | Read · Download (3GPP) |
| Rel-10 | 10.0.0 | Read · Download (3GPP) |
| Rel-9 | 9.0.0 | Read · Download (3GPP) |
Scope of TS 24.171
Category: Services (NAS). Technology generation: 4G. Network layer: CoreNetwork.
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 24.171
- TR 21.905 3GPP Terminology and Definitions
- TS 23.271 LCS Stage 2 Specification
- TS 24.301 EPS NAS Mobility and Session Management
- TS 36.355 LTE Positioning Protocol (LPP)
- TS 24.080 Supplementary Services Formats and Coding
- TS 24.030 LCS Stage 3 for Mobile Station
- TS 29.171 LCS-AP between MME and E-SMLC (SLs)
- TS 23.272 CS Fallback in EPS Stage 2
Specifications that reference TS 24.171
Other specifications in the 24 series
- TS 24.147 IMS Conferencing Protocol Details
- TS 24.161 Network-Based IP Flow Mobility (NBIFOM)
- TS 24.166 IMS Conferencing Management Object
- TS 24.167 3GPP IMS Management Object
- TS 24.173 Multimedia Telephony Service and Supplementary Services in IMS
- TS 24.174 Multi-Device & Multi-Identity in IMS Protocol
- TS 24.175 Multi-Device and Multi-Identity in IMS Management Object
- TS 24.182 Customized Alerting Tones (CAT) Protocol
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 24.171?
3GPP TS 24.171 is the 3GPP Technical Specification for NAS Protocol for LCS in E-UTRAN. Specifies NAS layer operations and coding for Location Services (LCS) in LTE networks between UE and MME.
Which 3GPP releases include TS 24.171?
TS 24.171 is published in 11 releases, from Rel-9 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 24.171 belong to?
TS 24.171 belongs to the Services (NAS) category of 3GPP specifications. It applies to 4G networks.
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