3GPP TS 25.331 V11.4.0 (2012-12)Technical Specification

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

Radio Resource Control (RRC);Protocol specification

(Release 11)

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.

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3GPP TS 25.331 V11.4.0 (2012-12)2Release 11

Keywords UMTS, radio

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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.

2012, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC).

All rights reserved.

UMTS is a Trade Mark of ETSI registered for the benefit of its members 3GPP is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners LTE is a Trade Mark of ETSI currently being registered for the benefit of its Members and of the 3GPP Organizational Partners GSM and the GSM logo are registered and owned by the GSM Association

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3GPP TS 25.331 V11.4.0 (2012-12)3Release 11

Contents Foreword........................................................................................................................................................... 39 1 Scope ...................................................................................................................................................... 40 2 References .............................................................................................................................................. 40 3 Definitions and abbreviations ................................................................................................................. 43 3.1 Definitions ....................................................................................................................................................... 43 3.2 Abbreviations ................................................................................................................................................... 45 4 General ................................................................................................................................................... 48 4.1 Overview of the specification .......................................................................................................................... 48 4.2 RRC Layer Model ............................................................................................................................................ 49 4.3 Protocol specification principles ...................................................................................................................... 52 5 RRC Functions and Services provided to upper layers .......................................................................... 52 5.1 RRC Functions ................................................................................................................................................. 52 5.2 RRC Services provided to upper layers ........................................................................................................... 53 5.3 Primitives between RRC and upper layers ...................................................................................................... 53 6 Services expected from lower layers ...................................................................................................... 53 6.1 Services expected from Layer 2 ....................................................................................................................... 53 6.2 Services expected from Layer 1 ....................................................................................................................... 53 6.3 Signalling Radio Bearers ................................................................................................................................. 53 7 Protocol states ........................................................................................................................................ 54 7.1 Overview of RRC States and State Transitions including GSM and E-UTRA ............................................... 54 7.2 Processes in UE modes/states .......................................................................................................................... 55 7.2.1 UE Idle mode ............................................................................................................................................. 55 7.2.2 UTRA RRC Connected mode .................................................................................................................... 55 7.2.2.1 URA_PCH or CELL_PCH state ........................................................................................................... 55 7.2.2.2 CELL_FACH state ............................................................................................................................... 56 7.2.2.3 CELL_DCH state ................................................................................................................................. 57 8 RRC procedures ..................................................................................................................................... 58 8.1 RRC Connection Management Procedures ...................................................................................................... 59 8.1.1 Broadcast of system information ................................................................................................................ 59 8.1.1.1 General ................................................................................................................................................. 59 8.1.1.1.1 System information structure .......................................................................................................... 59 8.1.1.1.2 System information blocks.............................................................................................................. 60 8.1.1.1.3 Segmentation and concatenation of system information blocks ..................................................... 66 8.1.1.1.4 Re-assembly of segments ................................................................................................................ 68 8.1.1.1.5 Scheduling of system information .................................................................................................. 68 8.1.1.2 Initiation ............................................................................................................................................... 69 8.1.1.3 Reception of SYSTEM INFORMATION messages by the UE ........................................................... 69 8.1.1.4 Void ...................................................................................................................................................... 69 8.1.1.5 Actions upon reception of the Master Information Block and Scheduling Block(s) ............................ 69 8.1.1.6 Actions upon reception of system information blocks ......................................................................... 73 8.1.1.6.1 System Information Block type 1 ................................................................................................... 75 8.1.1.6.2 System Information Block type 2 ................................................................................................... 75 8.1.1.6.3 System Information Block type 3 ................................................................................................... 76 8.1.1.6.4 System Information Block type 4 ................................................................................................... 81 8.1.1.6.5 System Information Block type 5 and 5bis ..................................................................................... 81 8.1.1.6.6 System Information Block type 6 ................................................................................................... 87 8.1.1.6.7 System Information Block type 7 ................................................................................................... 90 8.1.1.6.8 Void ................................................................................................................................................ 90 8.1.1.6.9 Void ................................................................................................................................................ 90 8.1.1.6.10 Void ................................................................................................................................................ 90 8.1.1.6.11 System Information Block type 11 ................................................................................................. 90 8.1.1.6.11a System Information Block type 11bis ............................................................................................. 92 8.1.1.6.12 System Information Block type 12 ................................................................................................. 92

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