3GPP TS 36.331 V12.10.0 (2016-06)
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`Technical Specification
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`3rd Generation Partnership Project;
`Technical Specification Group Radio Access Network;
`Evolved Universal Terrestrial Radio Access (E-UTRA);
`Radio Resource Control (RRC);
`Protocol specification
`(Release 12)
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`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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`SAMSUNG 1008
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`Release 12
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`3GPP TS 36.331 V12.10.0 (2016-06)
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`Keywords
`UMTS, radio
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`3GPP
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`Postal address
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`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
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`Internet
`http://www.3gpp.org
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`Copyright Notification
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`No part may be reproduced except as authorized by written permission.
`The copyright and the foregoing restriction extend to reproduction in all media.
`
`© 2016, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, 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
`Bluetooth® is a Trade Mark of the Bluetooth SIG registered for the benefit of its members
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`3GPP TS 36.331 V12.10.0 (2016-06)
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`Contents
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`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 .................................................................... 36 
`5.2.2.14 
`Actions upon reception of SystemInformationBlockType7 .................................................................... 36 
`5.2.2.15 
`Actions upon reception of SystemInformationBlockType8 .................................................................... 36 
`5.2.2.16 
`Actions upon reception of SystemInformationBlockType9 .................................................................... 37 
`5.2.2.17 
`Actions upon reception of SystemInformationBlockType10 .................................................................. 37 
`5.2.2.18 
`Actions upon reception of SystemInformationBlockType11 .................................................................. 37 
`5.2.2.19 
`Actions upon reception of SystemInformationBlockType12 .................................................................. 38 
`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 .................................................................. 39 
`5.2.2.23 
`Actions upon reception of SystemInformationBlockType16 .................................................................. 39 
`5.2.2.24 
`Actions upon reception of SystemInformationBlockType17 .................................................................. 39 
`5.2.2.25 
`Actions upon reception of SystemInformationBlockType18 .................................................................. 39 
`5.2.2.26 
`Actions upon reception of SystemInformationBlockType19 .................................................................. 40 
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`5.2.3 
`5.3 
`5.3.1 
`5.3.1.1 
`5.3.1.2 
`5.3.1.2a 
`5.3.1.3 
`5.3.2 
`5.3.2.1 
`5.3.2.2 
`5.3.2.3 
`5.3.3 
`5.3.3.1 
`5.3.3.1a 
`5.3.3.2 
`5.3.3.3 
`5.3.3.4 
`5.3.3.5 
`5.3.3.6 
`5.3.3.7 
`5.3.3.8 
`5.3.3.9 
`5.3.3.10 
`5.3.3.11 
`5.3.3.12 
`5.3.4 
`5.3.4.1 
`5.3.4.2 
`5.3.4.3 
`5.3.5 
`5.3.5.1 
`5.3.5.2 
`5.3.5.3 
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`5.3.5.4 
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`5.3.5.5 
`5.3.5.6 
`5.3.5.7 
`5.3.5.7a 
`5.3.5.8 
`5.3.6 
`5.3.6.1 
`5.3.6.2 
`5.3.6.3 
`5.3.7 
`5.3.7.1 
`5.3.7.2 
`5.3.7.3 
`5.3.7.4 
`5.3.7.5 
`5.3.7.6 
`5.3.7.7 
`5.3.7.8 
`5.3.8 
`5.3.8.1 
`5.3.8.2 
`5.3.8.3 
`5.3.8.4 
`5.3.9 
`5.3.9.1 
`5.3.9.2 
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`Acquisition of an SI message ........................................................................................................................ 40 
`Connection control .............................................................................................................................................. 40 
`Introduction ................................................................................................................................................... 40 
`RRC connection control .......................................................................................................................... 40 
`Security .................................................................................................................................................... 41 
`RN security .............................................................................................................................................. 42 
`Connected mode mobility ....................................................................................................................... 42 
`Paging ............................................................................................................................................................ 44 
`General ..................................................................................................................................................... 44 
`Initiation ................................................................................................................................................... 44 
`Reception of the Paging message by the UE .......................................................................................... 44 
`RRC connection establishment ..................................................................................................................... 45 
`General ..................................................................................................................................................... 45 
`Conditions for establishing RRC Connection for sidelink communication/ discovery ......................... 46 
`Initiation ................................................................................................................................................... 46 
`Actions related to transmission of RRCConnectionRequest message .................................................... 49 
`Reception of the RRCConnectionSetup by the UE ................................................................................. 49 
`Cell re-selection while T300, T302, T303, T305 or T306 is running .................................................... 51 
`T300 expiry .............................................................................................................................................. 51 
`T302, T303, T305 or T306 expiry or stop .............................................................................................. 52 
`Reception of the RRCConnectionReject by the UE ................................................................................ 52 
`Abortion of RRC connection establishment ........................................................................................... 53 
`Handling of SSAC related parameters .................................................................................................... 53 
`Access barring check ............................................................................................................................... 54 
`EAB check ............................................................................................................................................... 55 
`Initial security activation ............................................................................................................................... 55 
`General ..................................................................................................................................................... 55 
`Initiation ................................................................................................................................................... 56 
`Reception of the SecurityModeCommand by the UE ............................................................................. 56 
`RRC connection reconfiguration .................................................................................................................. 57 
`General ..................................................................................................................................................... 57 
`Initiation ................................................................................................................................................... 57 
`Reception of an RRCConnectionReconfiguration not including the mobilityControlInfo by the
`UE ............................................................................................................................................................ 57 
`Reception of an RRCConnectionReconfiguration including the mobilityControlInfo by the UE
`(handover) ................................................................................................................................................ 59 
`Reconfiguration failure ............................................................................................................................ 62 
`T304 expiry (handover failure) ............................................................................................................... 62 
`Void .......................................................................................................................................................... 64 
`T307 expiry (SCG change failure) .......................................................................................................... 64 
`Radio Configuration involving full configuration option ....................................................................... 64 
`Counter check ................................................................................................................................................ 65 
`General ..................................................................................................................................................... 65 
`Initiation ................................................................................................................................................... 65 
`Reception of the CounterCheck message by the UE .............................................................................. 65 
`RRC connection re-establishment ................................................................................................................. 66 
`General ..................................................................................................................................................... 66 
`Initiation ................................................................................................................................................... 67 
`Actions following cell selection while T311 is running ......................................................................... 67 
`Actions related to transmission of RRCConnectionReestablishmentRequest message ......................... 68 
`Reception of the RRCConnectionReestablishment by the UE ............................................................... 68 
`T311 expiry .............................................................................................................................................. 70 
`T301 expiry or selected cell no longer suitable ...................................................................................... 70 
`Reception of RRCConnectionReestablishmentReject by the UE ........................................................... 70 
`RRC connection release ................................................................................................................................ 71 
`General ..................................................................................................................................................... 71 
`Initiation ................................................................................................................................................... 71 
`Reception of the RRCConnectionRelease by the UE ............................................................................. 71 
`T320 expiry .............................................................................................................................................. 71 
`RRC connection release requested by upper layers ..................................................................................... 72 
`General ..................................................................................................................................................... 72 
`Initiation ................................................................................................................................................... 72 
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`5.3.10 
`5.3.10.0 
`5.3.10.1 
`5.3.10.2 
`5.3.10.3 
`5.3.10.3a1 
`5.3.10.3a 
`5.3.10.3b 
`5.3.10.3c 
`5.3.10.4 
`5.3.10.5 
`5.3.10.6 
`5.3.10.7 
`5.3.10.8 
`5.3.10.9 
`5.3.10.10 
`5.3.10.11 
`5.3.10.12 
`5.3.10.13 
`5.3.10.14 
`5.3.10.15 
`5.3.11 
`5.3.11.1 
`5.3.11.2 
`5.3.11.3 
`5.3.12 
`5.3.13 
`5.3.14 
`5.3.14.1 
`5.3.14.2 
`5.3.14.3 
`5.3.15 
`5.4 
`5.4.1 
`5.4.2 
`5.4.2.1 
`5.4.2.2 
`5.4.2.3 
`5.4.2.4 
`5.4.2.5 
`5.4.3 
`5.4.3.1 
`5.4.3.2 
`5.4.3.3 
`5.4.3.4 
`5.4.3.5 
`5.4.4 
`5.4.4.1 
`5.4.4.2 
`5.4.4.3 
`5.4.5 
`5.4.5.1 
`5.4.5.2 
`5.4.5.3 
`5.4.5.4 
`5.4.6 
`5.4.6.1 
`5.4.6.2 
`5.4.6.3 
`5.5 
`5.5.1 
`5.5.2 
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`Radio resource configuration ........................................................................................................................ 72 
`General ..................................................................................................................................................... 72 
`SRB addition/ modification ..................................................................................................................... 73 
`DRB release ............................................................................................................................................. 73 
`DRB addition/ modification .................................................................................................................... 74 
`DC specific DRB addition or reconfiguration ........................................................................................ 74 
`SCell release ............................................................................................................................................ 76 
`SCell addition/ modification ................................................................................................................... 76 
`PSCell addition or modification .............................................................................................................. 77 
`MAC main reconfiguration ..................................................................................................................... 77 
`Semi-persistent scheduling reconfiguration ............................................................................................ 77 
`Physical channel reconfiguration ............................................................................................................ 77 
`Radio Link Failure Timers and Constants reconfiguration .................................................................... 78 
`Time domain measurement resource restriction for serving cell ........................................................... 78 
`Other configuration ................................................................................................................................. 78 
`SCG reconfiguration ................................................................................................................................ 79 
`SCG dedicated resource configuration ................................................................................................... 81 
`Reconfiguration SCG or split DRB by drb-ToAddModList ................................................................... 81 
`Neighbour cell information reconfiguration ........................................................................................... 82 
`Void .......................................................................................................................................................... 82 
`Sidelink dedicated configuration ............................................................................................................. 82 
`Radio link failure related actions .................................................................................................................. 83 
`Detection of physical layer problems in RRC_CONNECTED .............................................................. 83 
`Recovery of physical layer problems ...................................................................................................... 83 
`Detection of radio link failure ................................................................................................................. 83 
`UE actions upon leaving RRC_CONNECTED ............................................................................................ 85 
`UE actions upon PUCCH/ SRS release request ........................................................................................... 85 
`Proximity indication ...................................................................................................................................... 86 
`General ..................................................................................................................................................... 86 
`Initiation ................................................................................................................................................... 86 
`Actions related to transmission of ProximityIndication message .......................................................... 86 
`Void ............................................................................................................................................................... 87 
`Inter-RAT mobility ............................................................................................................................................. 87 
`Introduction ................................................................................................................................................... 87 
`Handover to E-UTRA ................................................................................................................................... 87 
`General ..................................................................................................................................................... 87 
`Initiation ................................................................................................................................................... 88 
`Reception of the RRCConnectionReconfiguration by the UE ............................................................... 88 
`Reconfiguration failure ............................................................................................................................ 89 
`T304 expiry (handover to E-UTRA failure) ........................................................................................... 90 
`Mobility from E-UTRA ................................................................................................................................ 90 
`General ..................................................................................................................................................... 90 
`Initiation ................................................................................................................................................... 91 
`Reception of the MobilityFromEUTRACommand by the UE ................................................................ 91 
`Successful completion of the mobility from E-UTRA ........................................................................... 92 
`Mobility from E-UTRA failure ............................................................................................................... 92 
`Handover from E-UTRA preparation request (CDMA2000) ...................................................................... 93 
`General ..................................................................................................................................................... 93 
`Initiation ................................................................................................................................................... 93 
`Reception of the HandoverFromEUTRAPreparationRequest by the UE .............................................. 93 
`UL handover preparation transfer (CDMA2000) ......................................................................................... 94 
`General ..................................................................................................................................................... 94 
`Initiation ................................................................................................................................................... 94 
`Actions related to transmission of the ULHandoverPreparationTransfer message .............................. 94 
`Failure to deliver the ULHandoverPreparationTransfer message ......................................................... 94 
`Inter-RAT cell change order to E-UTRAN .................................................................................................. 94 
`General ..................................................................................................................................................... 94 
`Initiation ................................................................................................................................................... 95 
`UE fails to complete an inter-RAT cell change order ............................................................................ 95 
`Measurements ..................................................................................................................................................... 95 
`Introduction ................................................................................................................................................... 95 
`Measurement configuration .......................................................................................................................... 97 
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`5.5.2.1 
`5.5.2.2 
`5.5.2.2a 
`5.5.2.3 
`5.5.2.4 
`5.5.2.5 
`5.5.2.6 
`5.5.2.7 
`5.5.2.8 
`5.5.2.9 
`5.5.2.10 
`5.5.3 
`5.5.3.1 
`5.5.3.2 
`5.5.4 
`5.5.4.1 
`5.5.4.2 
`5.5.4.3 
`5.5.4.4 
`5.5.4.5 
`5.5.4.6 
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`5.5.4.6a 
`5.5.4.7 
`5.5.4.8 
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`5.5.4.9 
`5.5.4.10 
`5.5.5 
`5.5.6 
`5.5.6.1 
`5.5.6.2 
`5.5.7 
`5.5.7.1 
`5.5.7.2 
`5.5.7.3 
`5.6 
`5.6.1 
`5.6.1.1 
`5.6.1.2 
`5.6.1.3 
`5.6.2 
`5.6.2.1 
`5.6.2.2 
`5.6.2.3 
`5.6.2.4 
`5.6.3 
`5.6.3.1 
`5.6.3.2 
`5.6.3.3 
`5.6.4 
`5.6.4.1 
`5.6.4.2 
`5.6.4.3 
`5.6.4.4 
`5.6.5 
`5.6.5.1 
`5.6.5.2 
`5.6.5.3 
`5.6.6 
`5.6.6.1 
`5.6.6.2 
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`General ..................................................................................................................................................... 97 
`Measurement identity removal ................................................................................................................ 98 
`Measurement identity autonomous removal ........................................................................................... 98 
`Measurement identity addition/ modification ......................................................................................... 98 
`Measurement object removal .................................................................................................................. 99 
`Measurement object addition/ modification ........................................................................................... 99 
`Reporting configuration removal .......................................................................................................... 101 
`Reporting configuration addition/ modification ................................................................................... 101 
`Quantity configuration ........................................................................................................................... 102 
`Measurement gap configuration ............................................................................................................ 102 
`Discovery signals measurement timing configuration ......................................................................... 102 
`Performing measurements ........................................................................................................................... 103 
`General ................................................................................................................................................... 103 
`Layer 3 filtering ..................................................................................................................................... 105 
`Measurement report triggering .................................................................................................................... 105 
`General ................................................................................................................................................... 105 
`Event A1 (Serving become