|
TECHNICAL SPECIFICATION
LTE;
Evolved Universal Terrestrial Radio Access (E-UTRA);
Radio Resource Control (RRC);
Protocol specification
(3GPP TS 36.331 version 12.18.0 Release 12)
---------------------- Page: 1 ----------------------
3GPP TS 36.331 version 12.18.0 Release 12 1 ETSI TS 136 331 V12.18.0 (2019-05)
Reference
RTS/TSGR-0236331vci0
Keywords
LTE
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16
Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88
Important notice
The present document can be downloaded from:
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
If you find errors in the present document, please send your comment to one of the following services:
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying
and microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.
© ETSI 2019.
All rights reserved.
TM TM TM
DECT , PLUGTESTS , UMTS and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.
TM TM
3GPP and LTE are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and
of the oneM2M Partners.
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI
---------------------- Page: 2 ----------------------
3GPP TS 36.331 version 12.18.0 Release 12 2 ETSI TS 136 331 V12.18.0 (2019-05)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://ipr.etsi.org/).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
Foreword
This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or
GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables.
The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under
.
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
---------------------- Page: 3 ----------------------
3GPP TS 36.331 version 12.18.0 Release 12 3 ETSI TS 136 331 V12.18.0 (2019-05)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 15
1 Scope . 16
2 References . 16
3 Definitions, symbols and abbreviations . 19
3.1 Definitions . 19
3.2 Abbreviations . 20
4 General . 22
4.1 Introduction . 22
4.2 Architecture . 23
4.2.1 UE states and state transitions including inter RAT . 23
4.2.2 Signalling radio bearers . 24
4.3 Services . 25
4.3.1 Services provided to upper layers . 25
4.3.2 Services expected from lower layers . 25
4.4 Functions . 25
5 Procedures . 27
5.1 General . 27
5.1.1 Introduction. 27
5.1.2 General requirements . 27
5.2 System information . 28
5.2.1 Introduction. 28
5.2.1.1 General . 28
5.2.1.2 Scheduling . 28
5.2.1.3 System information validity and notification of changes . 29
5.2.1.4 Indication of ETWS notification . 30
5.2.1.5 Indication of CMAS notification . 30
5.2.1.6 Notification of EAB parameters change . 30
5.2.2 System information acquisition . 31
5.2.2.1 General . 31
5.2.2.2 Initiation . 31
5.2.2.3 System information required by the UE . 31
5.2.2.4 System information acquisition by the UE . 32
5.2.2.5 Essential system information missing . 34
5.2.2.6 Actions upon reception of the MasterInformationBlock message . 34
5.2.2.7 Actions upon reception of the SystemInformationBlockType1 message . 34
5.2.2.8 Actions upon reception of SystemInformation messages . 35
5.2.2.9 Actions upon reception of SystemInformationBlockType2 . 35
5.2.2.10 Actions upon reception of SystemInformationBlockType3 . 36
5.2.2.11 Actions upon reception of SystemInformationBlockType4 . 36
5.2.2.12 Actions upon reception of SystemInformationBlockType5 . 36
5.2.2.13 Actions upon reception of SystemInformationBlockType6 . 37
5.2.2.14 Actions upon reception of SystemInformationBlockType7 . 37
5.2.2.15 Actions upon reception of SystemInformationBlockType8 . 37
5.2.2.16 Actions upon reception of SystemInformationBlockType9 . 38
5.2.2.17 Actions upon reception of SystemInformationBlockType10 . 38
5.2.2.18 Actions upon reception of SystemInformationBlockType11 . 38
5.2.2.19 Actions upon reception of SystemInformationBlockType12 . 39
5.2.2.20 Actions upon reception of SystemInformationBlockType13 . 39
5.2.2.21 Actions upon reception of SystemInformationBlockType14 . 39
5.2.2.22 Actions upon reception of SystemInformationBlockType15 . 40
ETSI
---------------------- Page: 4 ----------------------
3GPP TS 36.331 version 12.18.0 Release 12 4 ETSI TS 136 331 V12.18.0 (2019-05)
5.2.2.23 Actions upon reception of SystemInformationBlockType16 . 40
5.2.2.24 Actions upon reception of SystemInformationBlockType17 . 40
5.2.2.25 Actions upon reception of SystemInformationBlockType18 . 40
5.2.2.26 Actions upon reception of SystemInformationBlockType19 . 40
5.2.3 Acquisition of an SI message . 40
5.3 Connection control . 41
5.3.1 Introduction. 41
5.3.1.1 RRC connection control . 41
5.3.1.2 Security . 42
5.3.1.2a RN security . 43
5.3.1.3 Connected mode mobility . 43
5.3.2 Paging . 45
5.3.2.1 General . 45
5.3.2.2 Initiation . 45
5.3.2.3 Reception of the Paging message by the UE . 45
5.3.3 RRC connection establishment . 46
5.3.3.1 General . 46
5.3.3.1a Conditions for establishing RRC Connection for sidelink communication/ discovery . 47
5.3.3.2 Initiation . 47
5.3.3.3 Actions related to transmission of RRCConnectionRequest message . 50
5.3.3.4 Reception of the RRCConnectionSetup by the UE . 50
5.3.3.5 Cell re-selection while T300, T302, T303, T305 or T306 is running . 51
5.3.3.6 T300 expiry . 52
5.3.3.7 T302, T303, T305 or T306 expiry or stop . 53
5.3.3.8 Reception of the RRCConnectionReject by the UE . 53
5.3.3.9 Abortion of RRC connection establishment . 54
5.3.3.10 Handling of SSAC related parameters . 54
5.3.3.11 Access barring check. 55
5.3.3.12 EAB check . 55
5.3.4 Initial security activation . 56
5.3.4.1 General . 56
5.3.4.2 Initiation . 57
5.3.4.3 Reception of the SecurityModeCommand by the UE . 57
5.3.5 RRC connection reconfiguration . 58
5.3.5.1 General . 58
5.3.5.2 Initiation . 58
5.3.5.3 Reception of an RRCConnectionReconfiguration not including the mobilityControlInfo by the
UE . 58
5.3.5.4 Reception of an RRCConnectionReconfiguration including the mobilityControlInfo by the UE
(handover) . 60
5.3.5.5 Reconfiguration failure . 63
5.3.5.6 T304 expiry (handover failure) . 63
5.3.5.7 Void. 65
5.3.5.7a T307 expiry (SCG change failure) . 65
5.3.5.8 Radio Configuration involving full configuration option. 65
5.3.6 Counter check . 66
5.3.6.1 General . 66
5.3.6.2 Initiation . 66
5.3.6.3 Reception of the CounterCheck message by the UE . 66
5.3.7 RRC connection re-establishment . 67
5.3.7.1 General . 67
5.3.7.2 Initiation . 68
5.3.7.3 Actions following cell selection while T311 is running . 68
5.3.7.4 Actions related to transmission of RRCConnectionReestablishmentRequest message . 69
5.3.7.5 Reception of the RRCConnectionReestablishment by the UE . 69
5.3.7.6 T311 expiry . 71
5.3.7.7 T301 expiry or selected cell no longer suitable . 71
5.3.7.8 Reception of RRCConnectionReestablishmentReject by the UE . 71
5.3.8 RRC connection release . 72
5.3.8.1 General . 72
5.3.8.2 Initiation . 72
5.3.8.3 Reception of the RRCConnectionRelease by the UE . 72
ETSI
---------------------- Page: 5 ----------------------
3GPP TS 36.331 version 12.18.0 Release 12 5 ETSI TS 136 331 V12.18.0 (2019-05)
5.3.8.4 T320 expiry . 72
5.3.9 RRC connection release requested by upper layers . 73
5.3.9.1 General . 73
5.3.9.2 Initiation . 73
5.3.10 Radio resource configuration . 73
5.3.10.0 General . 73
5.3.10.1 SRB addition/ modification . 74
5.3.10.2 DRB release . 74
5.3.10.3 DRB addition/ modification . 75
5.3.10.3a1 DC specific DRB addition or reconfiguration . 75
5.3.10.3a SCell release . 77
5.3.10.3b SCell addition/ modification . 77
5.3.10.3c PSCell addition or modification . 78
5.3.10.4 MAC main reconfiguration . 78
5.3.10.5 Semi-persistent scheduling reconfiguration . 78
5.3.10.6 Physical channel reconfiguration . 78
5.3.10.7 Radio Link Failure Timers and Constants reconfiguration . 79
5.3.10.8 Time domain measurement resource restriction for serving cell . 79
5.3.10.9 Other configuration . 79
5.3.10.10 SCG reconfiguration . 80
5.3.10.11 SCG dedicated resource configuration . 82
5.3.10.12 Reconfiguration SCG or split DRB by drb-ToAddModList . 82
5.3.10.13 Neighbour cell information reconfiguration . 83
5.3.10.14 Void. 83
5.3.10.15 Sidelink dedicated configuration . 83
5.3.11 Radio link failure related actions . 84
5.3.11.1 Detection of physical layer problems in RRC_CONNECTED . 84
5.3.11.2 Recovery of physical layer problems . 84
5.3.11.3 Detection of radio link failure . 84
5.3.12 UE actions upon leaving RRC_CONNECTED . 86
5.3.13 UE actions upon PUCCH/ SRS release request . 86
5.3.14 Proximity indication . 87
5.3.14.1 General . 87
5.3.14.2 Initiation . 87
5.3.14.3 Actions related to transmission of ProximityIndication message. 87
5.3.15 Void . 88
5.4 Inter-RAT mobility. 88
5.4.1 Introduction. 88
5.4.2 Handover to E-UTRA . 88
5.4.2.1 General . 88
5.4.2.2 Initiation . 89
5.4.2.3 Reception of the RRCConnectionReconfiguration by the UE . 89
5.4.2.4 Reconfiguration failure . 90
5.4.2.5 T304 expiry (handover to E-UTRA failure) . 91
5.4.3 Mobility from E-UTRA . 91
5.4.3.1 General . 91
5.4.3.2 Initiation .
...