TR 25.903 – Continuous Connectivity for Packet Data Users
3GPP TR 25.903 is the 3GPP Technical Report for Continuous Connectivity for Packet Data Users. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Reduces uplink noise rise from control channels for inactive packet data users in CELL_DCH state, enabling faster reactivation and higher user capacity.
Releases and versions of TR 25.903
| 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) |
Scope of TR 25.903
Category: Radio Access (Physical Layer). 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: Medium.
Key technologies
Specifications referenced by TR 25.903
- TS 25.309 FDD Enhanced Uplink Technical Specification
- TS 25.321 MAC Protocol Specification for UTRAN
- TS 25.331 RRC Protocol for UE-UTRAN Radio Interface
- TS 25.433 Node B Application Part (NBAP) Protocol
- TS 25.133 UTRAN RRM Requirements for FDD
- TS 25.101 UTRA FDD UE RF Requirements
- TS 25.319 Enhanced Uplink for UTRA FDD/TDD
- TR 21.905 3GPP Terminology and Definitions
- TS 25.211 UTRA FDD Layer 1: Transport & Physical Channels
- TS 25.212 UTRA FDD Layer 1 Multiplexing & Channel Coding
- TS 25.213 UTRA FDD Spreading and Modulation
- TS 25.214 UTRA FDD Physical Layer Procedures
Other specifications in the 25 series
- TR 25.871 Uplink MIMO for HSPA Study Results
- TR 25.872 HSDPA Multipoint Transmission Study
- TR 25.873 UE Demodulation Performance in Multi-Cell TDD
- TR 25.874 HSPA Feedback & Signalling Efficiency for LCR TDD
- TR 25.906 UE Receiver Performance Reduction Study
- TR 25.907 RF Pattern Matching for UMTS Location
- TR 25.912 Evolved UTRA and UTRAN Technical Report
- TR 25.913 Evolved UTRA and UTRAN Requirements
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TR 25.903?
3GPP TR 25.903 is the 3GPP Technical Report for Continuous Connectivity for Packet Data Users. Reduces uplink noise rise from control channels for inactive packet data users in CELL_DCH state, enabling faster reactivation and higher user capacity.
Which 3GPP releases include TR 25.903?
TR 25.903 is published in 12 releases, from Rel-8 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TR 25.903 belong to?
TR 25.903 belongs to the Radio Access (Physical Layer) category of 3GPP specifications. It applies to 3G networks.
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