3GPP TS 25.331 V3.8.0 (2001-09)

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

RRC Protocol Specification(Release 1999)

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 V3.8.0 (2001-09)2Release 1999

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.

2001, 3GPP Organizational Partners (ARIB, CWTS, ETSI, T1, TTA, TTC).

All rights reserved.

3GPP

3GPP TS 25.331 V3.8.0 (2001-09)3Release 1999

Contents

Foreword...................................................................................................................................30

1 Scope ..........................................................................................................................31

2 References ..............................................................................................................31

3 Definitions and abbreviations.....................................................................................33 3.1 Definitions ............................................................................................................................................. 33 3.2 Abbreviations ........................................................................................................................................ 33

4 General() ........................................................................................................................................35 4.1 Overview of the specification(): .................................................................................................... 35 4.2 RRC Layer ModelRRC.......................................................................................................... 36 4.3 Protocol specification principles................................................................................ 39

5 RRC Functions and Services provided to upper layersRRC ....................................................................................................................................39

5.1 RRC FunctionsRRC .............................................................................................................................. 39 5.2 RRC Services provided to upper layersRRC ..................................... 40 5.3 Primitives between RRC and upper layersRRC............................. 40

6 Services expected from lower layers ..................................40 6.1 Services expected from Layer 22............................................................... 40 6.2 Services expected from Layer 1............................................................. 40 6.3 Signalling Radio Bearers ........................................................................................... 40

7 Protocol states ....................................................................................................41 7.1 Overview of RRC States and State Transitions including GSMGSMRRC

............................................................................................................................................................. 41 7.2 Processes in UE modes/statesUE............................................................................... 42 7.2.1 UE Idle modeUE .......................................................................................................... 42 7.2.2 UTRA RRC Connected modeUTRA RRC .......................................................................... 42 7.2.2.1 URA_PCH or CELL_PCH stateURA_PCHCELL_PCH......................................... 42 7.2.2.2 CELL_FACH stateCELL_FACH .................................................................................................... 43 7.2.2.3 CELL_DCH stateCELL_DCH ........................................................................................................ 44

8 RRC proceduresRRC .............................................................................................................44 8.1 RRC Connection Management ProceduresRRC.................................................................... 44 8.1.1 Broadcast of system information.......................................................................... 44 8.1.1.1 General............................................................................................................................................. 45 8.1.1.1.1 System information structure.............................................................................. 45 8.1.1.1.2 System information blocks ......................................................................... 45 8.1.1.1.3 Segmentation and concatenation of system information blocks

............................................................................................................................................ 50 8.1.1.1.4 Re-assembly of segments ........................................................................... 51 8.1.1.1.5 Scheduling of system information .......................................... 52 8.1.1.2 Initiation........................................................................................................................................... 53 8.1.1.3 Reception of SYSTEM INFORMATION messages by the UEUE

...................................................................................................................................................... 53 8.1.1.4 Reception of SYSTEM INFORMATION messages broadcast on a FACH transport channelFACH

............................... 53 8.1.1.5 Actions upon reception of the Master Information Block and Scheduling Block(s)

................................................................... 53 8.1.1.6 Actions upon reception of system information blocks ............. 57

3GPP

3GPP TS 25.331 V3.8.0 (2001-09)4Release 1999

8.1.1.6.1 System Information Block type 1 ............................................... 58 8.1.1.6.2 System Information Block type 2 ............................................... 59 8.1.1.6.3 System Information Block type 3 ............................................... 59 8.1.1.6.4 System Information Block type 4 ............................................... 59 8.1.1.6.5 System Information Block type 5 ............................................... 59 8.1.1.6.6 System Information Block type 6 ............................................... 60 8.1.1.6.7 System Information Block type 7 ............................................... 61 8.1.1.6.8 System Information Block type 8 ............................................... 61 8.1.1.6.9 System Information Block type 9 ............................................... 61 8.1.1.6.10 System Information Block type 1010 ............................................. 61 8.1.1.6.11 System Information Block type 1111 ............................................. 61 8.1.1.6.12 System Information Block type 1212 ............................................. 63 8.1.1.6.13 System Information Block type 1313 ............................................. 64 8.1.1.6.14 System Information Block type 1414 ............................................. 65 8.1.1.6.15 System Information Block type 1515 ............................................. 65 8.1.1.6.16 System Information Block type 1616 ............................................. 68 8.1.1.6.17 System Information Block type 1717 ............................................. 68 8.1.1.6.18 System Information Block type 1818 ............................................. 68 8.1.1.7 Modification of system information..................................................................... 69 8.1.1.7.1 Modification of system information blocks using a value tagvalue tag

......................................................................................................................... 69 8.1.1.7.2 Synchronised modification of system information blocks...... 69 8.1.1.7.3 Actions upon system information change........................................... 70 8.1.1.7.4 Actions upon expiry of a system information expiry timer

.................................................................................................................................... 70 8.1.2 Paging .................................................................................................................................. 71 8.1.2.1 General............................................................................................................................................. 71 8.1.2.2 Initiation........................................................................................................................................... 71 8.1.2.3 Reception of a PAGING TYPE 1 message by the UEUEPAGING TYPE 1

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