TS-3GA-25.331(Rel4)v4.8.0

Radio Resource Control (RRC) Protocol Specification

Feb 21,2003

THE TELECOMMUNICATION TECHNOLOGY COMMITTEE

i

TS-3GA-25.331(Rel4)v4.8.0 Radio Resource Control (RRC) Protocol Specification

1. Application level of English description Application level : E2

English description is included in the text and figures of main body, annexes and appendices.

2. Relationship with international recommendations and standards This standard is standardized based on the Technical Specification 25.331(Version 4.8.0) approved by 3GPP.

3. Departures from international recommendations Changes to original standard

Standards referred to in the original standard, which are replaced by TTC standards.

Standards referred to in the original standard should be replaced by derived TTC standards.

4. IPR Status of Confirmation of IPR Licensing Condition submitted is provided in the TTC web site.

5. Working Group 3GPP Working Group

3GPP TS 25.331 V4.8.0 (2002-12)Technical Specification

3rd Generation Partnership Project;Technical Specification Group Radio Access Network;

Radio Resource Control (RRC);Protocol Specification

(Release 4)

The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP. The present document has not been subject to any approval process by the 3GPP Organizational Partners and shall not be implemented. This Specification is provided for future development work within 3GPP only. The Organizational Partners accept no liability for any use of this Specification.Specifications and reports for implementation of the 3GPP TM system should be obtained via the 3GPP Organizational Partners' Publications Offices.

3GPP

3GPP TS 25.331 V4.8.0 (2002-12)2Release 4

Keywords UMTS, radio

3GPP

Postal address

3GPP support office address 650 Route des Lucioles - Sophia Antipolis

Valbonne - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16

Internet http://www.3gpp.org

Copyright Notification

No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media.

2002, 3GPP Organizational Partners (ARIB, CWTS, ETSI, T1, TTA, TTC).

All rights reserved.

3GPP

3GPP TS 25.331 V4.8.0 (2002-12)3Release 4

Contents Foreword ..........................................................................................................................................................25 1 Scope ......................................................................................................................................................26 2 References ..............................................................................................................................................26 3 Definitions and abbreviations.................................................................................................................28 3.1 Definitions............................................................................................................................................................. 28 3.2 Abbreviations ........................................................................................................................................................ 28 4 General ...................................................................................................................................................30 4.1 Overview of the specification................................................................................................................................ 30 4.2 RRC Layer Model ................................................................................................................................................. 31 4.3 Protocol specification principles ........................................................................................................................... 34 5 RRC Functions and Services provided to upper layers ..........................................................................34 5.1 RRC Functions ...................................................................................................................................................... 34 5.2 RRC Services provided to upper layers................................................................................................................. 35 5.3 Primitives between RRC and upper layers ............................................................................................................ 35 6 Services expected from lower layers......................................................................................................35 6.1 Services expected from Layer 2 ............................................................................................................................ 35 6.2 Services expected from Layer 1 ............................................................................................................................ 35 6.3 Signalling Radio Bearers....................................................................................................................................... 35 7 Protocol states ........................................................................................................................................36 7.1 Overview of RRC States and State Transitions including GSM ........................................................................... 36 7.2 Processes in UE modes/states................................................................................................................................ 36 7.2.1 UE Idle mode................................................................................................................................................... 37 7.2.2 UTRA RRC Connected mode.......................................................................................................................... 37 7.2.2.1 URA_PCH or CELL_PCH state ...................................................................................................................... 37 7.2.2.2 CELL_FACH state .......................................................................................................................................... 37 7.2.2.3 CELL_DCH state............................................................................................................................................. 38 8 RRC procedures .....................................................................................................................................38 8.1 RRC Connection Management Procedures ........................................................................................................... 39 8.1.1 Broadcast of system information ..................................................................................................................... 39 8.1.1.1 General............................................................................................................................................................. 39 8.1.1.1.1 System information structure ..................................................................................................................... 39 8.1.1.1.2 System information blocks......................................................................................................................... 40 8.1.1.1.3 Segmentation and concatenation of system information blocks................................................................. 44 8.1.1.1.4 Re-assembly of segments ........................................................................................................................... 45 8.1.1.1.5 Scheduling of system information.............................................................................................................. 46 8.1.1.2 Initiation........................................................................................................................................................... 47 8.1.1.3 Reception of SYSTEM INFORMATION messages by the UE ...................................................................... 47 8.1.1.4 Reception of SYSTEM INFORMATION messages broadcast on a FACH transport channel ....................... 47 8.1.1.5 Actions upon reception of the Master Information Block and Scheduling Block(s) ....................................... 47 8.1.1.6 Actions upon reception of system information blocks..................................................................................... 50 8.1.1.6.1 System Information Block type 1............................................................................................................... 51 8.1.1.6.2 System Information Block type 2............................................................................................................... 52 8.1.1.6.3 System Information Block type 3............................................................................................................... 52 8.1.1.6.4 System Information Block type 4............................................................................................................... 52 8.1.1.6.5 System Information Block type 5............................................................................................................... 52 8.1.1.6.6 System Information Block type 6............................................................................................................... 53 8.1.1.6.7 System Information Block type 7............................................................................................................... 54 8.1.1.6.8 System Infor