TR 23.891 – LCS Control Plane Architecture for EPC
3GPP TR 23.891 is the 3GPP Technical Report for LCS Control Plane Architecture for EPC. It is part of 3GPP Rel-9 (version 9.0.0).
Studies stage 2 LCS reference architecture for Evolved Packet Core, including E-SMLC, GMLC, MME, and support for immediate/deferred location requests.
Releases and versions of TR 23.891
| Release | Latest version | Links |
|---|---|---|
| Rel-9 | 9.0.0 | Read · Download (3GPP) |
Scope of TR 23.891
Primary function: Architectural Requirements and Study. Category: Core Network (Location Services). Technology generation: 4G. Network layer: CoreNetwork.
Who should read this specification?
- Network operators
- Device manufacturers
- Regulators and standards bodies
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications that reference TR 23.891
- TS 36.305 UE Positioning in E-UTRAN Stage 2
Other specifications in the 23 series
- TR 23.887 Architectural enhancements for MTC and mobile data
- TR 23.888 Study on MTC Architectural Enhancements
- TR 23.889 Local Call Local Switch Core Network Impact Study
- TR 23.890 Optimized WLAN Offloading in 3GPP RAT Mobility
- TR 23.892 IMS Centralized Services Feasibility Study
- TR 23.893 IMS Multimedia Session Continuity Study
- TR 23.894 IMS Local Breakout & Optimal Media Routing Study
- TR 23.895 UE Specific Behaviour Information Mechanisms
Frequently asked questions
What is 3GPP TR 23.891?
3GPP TR 23.891 is the 3GPP Technical Report for LCS Control Plane Architecture for EPC. Studies stage 2 LCS reference architecture for Evolved Packet Core, including E-SMLC, GMLC, MME, and support for immediate/deferred location requests.
Which 3GPP releases include TR 23.891?
TR 23.891 is part of 3GPP Rel-9. The latest version on 3GPP Explorer is 9.0.0 (Rel-9).
What does TR 23.891 specify?
Architectural Requirements and Study.
What category does TR 23.891 belong to?
TR 23.891 belongs to the Core Network (Location Services) category of 3GPP specifications. It applies to 4G networks.
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