6.7.1 General NB-IoT message structure

36.3313GPPEvolved Universal Terrestrial Radio Access (E-UTRA)Protocol specificationRadio Resource Control (RRC)Release 17TS

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NBIOT-RRC-Definitions DEFINITIONS AUTOMATIC TAGS ::=

BEGIN

IMPORTS

RRCConnectionReestablishmentReject,

SecurityModeCommand,

SecurityModeComplete,

SecurityModeFailure,

AdditionalSpectrumEmission,

ARFCN-ValueEUTRA-r9,

CarrierFreqsGERAN,

CellGlobalIdEUTRA,

CellIdentity,

C-RNTI,

DedicatedInfoNAS,

DRB-Identity,

GNSS-ValidityDuration-r17,

InitialUE-Identity,

IntraFreqExcludedCellList,

IntraFreqNeighCellList,

I-RNTI-r15,

LocationInfo-r10,

maxAccessCat-1-r15,

maxBands,

maxExcludedCell,

maxCellInter,

maxCellIntra,

maxFBI2,

maxFreq,

maxMultiBands,

maxNrofS-NSSAI-r15,

maxPageRec,

maxPLMN-r11,

maxSAI-MBMS-r11,

maxSIB,

maxSIB-1,

MBMS-SAI-r11,

MBMS-SAI-List-r11,

MBMSSessionInfo-r13,

NextHopChainingCount,

NG-5G-S-TMSI-r15,

PagingUE-Identity,

PLMN-Identity,

PLMN-IdentityList2,

P-Max,

PowerRampingParameters,

PreambleTransMax,

PhysCellId,

Q-OffsetRange,

Q-QualMin-r9,

Q-RxLevMin,

ReestabUE-Identity,

RegisteredAMF-r15,

RegisteredMME,

ReselectionThreshold,

ResumeIdentity-r13,

RRC-TransactionIdentifier,

RSRP-Range,

S-NSSAI-r15,

S-TMSI,

SatelliteInfoList-r17,

ServingSatelliteInfo-r17,

SetupRelease,

ShortMAC-I,

SystemInformationBlockType16-r11,

SystemInfoValueTagSI-r13,

T-Reordering,

T-ReorderingExt-r17,

TimeAlignmentTimer,

TimeSinceFailure-r11,

TimeOffsetUTC-r17,

TMGI-r9,

TrackingAreaCode,

TrackingAreaCode-5GC-r15,

UAC-AC1-SelectAssistInfo-r15,

DataInactivityTimer-r14

FROM EUTRA-RRC-Definitions;

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– BCCH-BCH-Message-NB

The BCCH-BCH-Message-NB class is the set of RRC messages that may be sent from the E‑UTRAN to the UE via BCH on the BCCH logical channel in FDD.

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BCCH-BCH-Message-NB ::= SEQUENCE {

message BCCH-BCH-MessageType-NB

}

BCCH-BCH-MessageType-NB::= MasterInformationBlock-NB

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– BCCH-BCH-Message-TDD-NB

The BCCH-BCH-Message-TDD-NB class is the set of RRC messages that may be sent from the E‑UTRAN to the UE via BCH on the BCCH logical channel in TDD.

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BCCH-BCH-Message-TDD-NB ::= SEQUENCE {

message BCCH-BCH-MessageType-TDD-NB-r15

}

BCCH-BCH-MessageType-TDD-NB-r15 ::= MasterInformationBlock-TDD-NB-r15

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– BCCH-DL-SCH-Message-NB

The BCCH-DL-SCH-Message-NB class is the set of RRC messages that may be sent from the E‑UTRAN to the UE via DL‑SCH on the BCCH logical channel.

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BCCH-DL-SCH-Message-NB ::= SEQUENCE {

message BCCH-DL-SCH-MessageType-NB

}

BCCH-DL-SCH-MessageType-NB ::= CHOICE {

c1 CHOICE {

systemInformation-r13 SystemInformation-NB,

systemInformationBlockType1-r13 SystemInformationBlockType1-NB

},

messageClassExtension SEQUENCE {}

}

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– PCCH-Message-NB

The PCCH-Message-NB class is the set of RRC messages that may be sent from the E‑UTRAN to the UE on the PCCH logical channel.

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PCCH-Message-NB ::= SEQUENCE {

message PCCH-MessageType-NB

}

PCCH-MessageType-NB ::= CHOICE {

c1 CHOICE {

paging-r13 Paging-NB

},

messageClassExtension SEQUENCE {}

}

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– DL-CCCH-Message-NB

The DL-CCCH-Message-NB class is the set of RRC messages that may be sent from the E‑UTRAN to the UE on the downlink CCCH logical channel.

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DL-CCCH-Message-NB ::= SEQUENCE {

message DL-CCCH-MessageType-NB

}

DL-CCCH-MessageType-NB ::= CHOICE {

c1 CHOICE {

rrcConnectionReestablishment-r13 RRCConnectionReestablishment-NB,

rrcConnectionReestablishmentReject-r13 RRCConnectionReestablishmentReject,

rrcConnectionReject-r13 RRCConnectionReject-NB,

rrcConnectionSetup-r13 RRCConnectionSetup-NB,

rrcEarlyDataComplete-r15 RRCEarlyDataComplete-NB-r15,

spare3 NULL, spare2 NULL, spare1 NULL

},

messageClassExtension SEQUENCE {}

}

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– DL-DCCH-Message-NB

The DL-DCCH-Message-NB class is the set of RRC messages that may be sent from the E‑UTRAN to the UE on the downlink DCCH logical channel.

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DL-DCCH-Message-NB ::= SEQUENCE {

message DL-DCCH-MessageType-NB

}

DL-DCCH-MessageType-NB ::= CHOICE {

c1 CHOICE {

dlInformationTransfer-r13 DLInformationTransfer-NB,

rrcConnectionReconfiguration-r13 RRCConnectionReconfiguration-NB,

rrcConnectionRelease-r13 RRCConnectionRelease-NB,

securityModeCommand-r13 SecurityModeCommand,

ueCapabilityEnquiry-r13 UECapabilityEnquiry-NB,

rrcConnectionResume-r13 RRCConnectionResume-NB,

ueInformationRequest-r16 UEInformationRequest-NB-r16,

spare1 NULL

},

messageClassExtension SEQUENCE {}

}

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– UL-CCCH-Message-NB

The UL-CCCH-Message-NB class is the set of RRC messages that may be sent from the UE to the E‑UTRAN on the uplink CCCH logical channel.

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UL-CCCH-Message-NB ::= SEQUENCE {

message UL-CCCH-MessageType-NB

}

UL-CCCH-MessageType-NB ::= CHOICE {

c1 CHOICE {

rrcConnectionReestablishmentRequest-r13 RRCConnectionReestablishmentRequest-NB,

rrcConnectionRequest-r13 RRCConnectionRequest-NB,

rrcConnectionResumeRequest-r13 RRCConnectionResumeRequest-NB,

rrcEarlyDataRequest-r15 RRCEarlyDataRequest-NB-r15

},

messageClassExtension SEQUENCE {}

}

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– SC-MCCH-Message-NB

The SC-MCCH-Message-NB class is the set of RRC messages that may be sent from the E‑UTRAN to the NB-IoT UE on the SC-MCCH logical channel.

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SC-MCCH-Message-NB ::= SEQUENCE {

message SC-MCCH-MessageType-NB

}

SC-MCCH-MessageType-NB ::= CHOICE {

c1 CHOICE {

scptmConfiguration-r14 SCPTMConfiguration-NB-r14

},

messageClassExtension SEQUENCE {}

}

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– UL-DCCH-Message-NB

The UL-DCCH-Message-NB class is the set of RRC messages that may be sent from the UE to the E‑UTRAN on the uplink DCCH logical channel.

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UL-DCCH-Message-NB ::= SEQUENCE {

message UL-DCCH-MessageType-NB

}

UL-DCCH-MessageType-NB ::= CHOICE {

c1 CHOICE {

rrcConnectionReconfigurationComplete-r13 RRCConnectionReconfigurationComplete-NB,

rrcConnectionReestablishmentComplete-r13 RRCConnectionReestablishmentComplete-NB,

rrcConnectionSetupComplete-r13 RRCConnectionSetupComplete-NB,

securityModeComplete-r13 SecurityModeComplete,

securityModeFailure-r13 SecurityModeFailure,

ueCapabilityInformation-r13 UECapabilityInformation-NB,

ulInformationTransfer-r13 ULInformationTransfer-NB,

rrcConnectionResumeComplete-r13 RRCConnectionResumeComplete-NB,

ueInformationResponse-r16 UEInformationResponse-NB-r16,

purConfigurationRequest-r16 PURConfigurationRequest-NB-r16,

spare6 NULL, spare5 NULL, spare4 NULL,

spare3 NULL, spare2 NULL, spare1 NULL

},

messageClassExtension SEQUENCE {}

}

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