TS 23.303 – Proximity Services (ProSe) Stage 2
3GPP TS 23.303 is the 3GPP Technical Specification for Proximity Services (ProSe) Stage 2. Its official 3GPP title is “Proximity-based services (ProSe)”. It is published in 8 releases (Rel-12 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies ProSe features in EPS: discovery and direct communication between UEs in proximity using E-UTRAN/WLAN/EPC.
Releases and versions of TS 23.303
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.0.0 | Read · Download (3GPP) |
| Rel-17 | 17.1.0 | Read · Download (3GPP) |
| Rel-16 | 16.0.0 | Read · Download (3GPP) |
| Rel-15 | 15.1.0 | Read · Download (3GPP) |
| Rel-14 | 14.1.0 | Read · Download (3GPP) |
| Rel-13 | 13.6.0 | Read · Download (3GPP) |
| Rel-12 | 12.8.0 | Read · Download (3GPP) |
Scope of TS 23.303
Category: Services (Proximity Services). Technology generation: 4G. Network layer: Services.
Who should read this specification?
- Network operators
- Device manufacturers
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: High.
Key technologies
Specifications referenced by TS 23.303
- TS 23.221 3GPP System Architectural Requirements
- TS 23.003 Numbering, Addressing and Identification
- TS 36.300 E-UTRAN Radio Interface Protocol Architecture
- TR 21.905 3GPP Terminology and Definitions
- TS 29.343 PC2 Reference Point Stage 3 Specification
- TS 29.344 PC4a Interface for ProSe between ProSe Function and HSS
- TS 29.345 Diameter-based PC6/PC7 interfaces for ProSe
- TS 24.334 ProSe Protocols and Procedures
- TS 22.278 Evolved Packet System Service Requirements
- TS 23.468 Group Communication System Enablers for LTE
- TS 33.303 ProSe Security Specification for EPS
- TS 23.122 Idle Mode and PLMN Selection Procedures
Specifications that reference TS 23.303
- TS 36.331 E-UTRA Radio Resource Control (RRC) Protocol
- TS 36.300 E-UTRAN Radio Interface Protocol Architecture
- TS 23.203 Policy and Charging Control Architecture
- TS 23.002 3GPP System Architecture Overview
- TS 24.301 EPS NAS Mobility and Session Management
- TS 31.102 USIM Application Specification
- TS 29.274 GTPv2-C Control Plane Protocol
- TS 23.287 5G V2X Architecture Enhancements
- TS 29.214 Rx Interface for Policy and Charging Control
- TS 23.304 5G Proximity Services (ProSe) Stage 2
- TS 36.321 E-UTRA MAC Protocol Specification
- TS 32.299 Diameter Charging Applications for 3GPP
Other specifications in the 23 series
- TS 23.287 5G V2X Architecture Enhancements
- TS 23.288 5G Network Data Analytics Architecture
- TS 23.289 Mission Critical Services over 5G System Architecture
- TS 23.292 IMS Centralized Services (ICS) Architecture
- TS 23.304 5G Proximity Services (ProSe) Stage 2
- TS 23.316 Wireless and wireline convergence access support
- TS 23.327 3GPP-WLAN Mobility Stage 2 Description
- TS 23.333 MRFC-MRFP Mp Interface Requirements
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 23.303?
3GPP TS 23.303 is the 3GPP Technical Specification for Proximity Services (ProSe) Stage 2. Specifies ProSe features in EPS: discovery and direct communication between UEs in proximity using E-UTRAN/WLAN/EPC.
Which 3GPP releases include TS 23.303?
TS 23.303 is published in 8 releases, from Rel-12 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 23.303 belong to?
TS 23.303 belongs to the Services (Proximity Services) category of 3GPP specifications. It applies to 4G networks.
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