TS 25.303 – Radio Resource Control Procedures
3GPP TS 25.303 is the 3GPP Technical Specification for Radio Resource Control Procedures. It is published in 18 releases (Rel-2 to Rel-19); the latest version is 19.0.0 in Rel-19.
Describes RRC procedures for radio resource assignment, reconfiguration, and release in connected mode, including state transitions, handovers, and measurement reports.
Releases and versions of TS 25.303
| 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) |
| Rel-8 | 8.0.0 | Read · Download (3GPP) |
| Rel-7 | 7.0.0 | Read · Download (3GPP) |
| Rel-6 | 6.3.0 | Read · Download (3GPP) |
| Rel-5 | 5.3.0 | Read · Download (3GPP) |
| Rel-4 | 4.5.0 | Read · Download (3GPP) |
| R99 | 3.12.0 | Read · Download (3GPP) |
| Rel-2 | 1200 | Read · Download (3GPP) |
Scope of TS 25.303
Category: Radio Access (RRC). Technology generation: 3G. Network layer: RAN.
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 25.303
- TS 25.321 MAC Protocol Specification for UTRAN
- TS 25.322 RLC Protocol Specification
- TS 25.331 RRC Protocol for UE-UTRAN Radio Interface
- TS 25.304 UE Idle Mode Procedures
- TS 25.301 UE-UTRAN Radio Interface Protocol Architecture
- TS 23.060 GPRS Stage 2 Service Description
- TS 25.323 Packet Data Convergence Protocol (PDCP) Specification
- TR 21.905 3GPP Terminology and Definitions
Specifications that reference TS 25.303
- TS 23.060 GPRS Stage 2 Service Description
- TS 25.331 RRC Protocol for UE-UTRAN Radio Interface
- TS 23.221 3GPP System Architectural Requirements
- TS 23.700 Study on SEAL Phase 4
- TS 25.304 UE Idle Mode Procedures
- TS 25.321 MAC Protocol Specification for UTRAN
- TS 23.236 Intra Domain Connection of RAN Nodes to Multiple CN Nodes
- TS 25.215 UTRA FDD Measurement Definitions
- TS 25.224 UTRA TDD Physical Layer Procedures
- TS 25.133 UTRAN RRM Requirements for FDD
- TS 25.225 UTRA TDD Physical Layer Measurements
- TS 25.301 UE-UTRAN Radio Interface Protocol Architecture
Other specifications in the 25 series
- TS 25.225 UTRA TDD Physical Layer Measurements
- TS 25.300 UTRA Radio Interface Enhancements Overview
- TS 25.301 UE-UTRAN Radio Interface Protocol Architecture
- TS 25.302 UTRA Physical Layer Services
- TS 25.304 UE Idle Mode Procedures
- TS 25.305 UTRAN UE Positioning Stage 2
- TS 25.306 UE Radio Access Capabilities Specification
- TS 25.307 UE Requirements for Release-Independent Frequency Bands
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 25.303?
3GPP TS 25.303 is the 3GPP Technical Specification for Radio Resource Control Procedures. Describes RRC procedures for radio resource assignment, reconfiguration, and release in connected mode, including state transitions, handovers, and measurement reports.
Which 3GPP releases include TS 25.303?
TS 25.303 is published in 18 releases, from Rel-2 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 25.303 belong to?
TS 25.303 belongs to the Radio Access (RRC) category of 3GPP specifications. It applies to 3G networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →