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-- 3GPP TS 36.423 V12.2.0 (2014-06)
-- 9.3.4	PDU Definitions
-- **************************************************************
--
-- PDU definitions for X2AP.
--
-- **************************************************************

X2AP-PDU-Contents {
itu-t (0) identified-organization (4) etsi (0) mobileDomain (0) 
eps-Access (21) modules (3) x2ap (2) version1 (1) x2ap-PDU-Contents (1) }

DEFINITIONS AUTOMATIC TAGS ::= 

BEGIN

-- **************************************************************
--
-- IE parameter types from other modules.
--
-- **************************************************************

IMPORTS
	ABSInformation,
	ABS-Status,
	AS-SecurityInformation,
	Cause,
	CompositeAvailableCapacityGroup,
	COUNTvalue,
	CriticalityDiagnostics,
	CRNTI,
	CSGMembershipStatus,
	CSG-Id,
	DeactivationIndication,
	DL-Forwarding,
	ECGI,
	E-RAB-ID,
	E-RAB-Level-QoS-Parameters,
	E-RAB-List,
	EUTRANTraceID,
	GlobalENB-ID,
	GTPtunnelEndpoint,
	GUGroupIDList,
	GUMMEI,
	HandoverReportType,
	HandoverRestrictionList,
	Masked-IMEISV,
	InvokeIndication,
	LocationReportingInformation,
	MDT-Configuration,
	ManagementBasedMDTallowed,
	MDTPLMNList,
	Neighbour-Information,
	PCI,
	PDCP-SN,
	PLMN-Identity,
	ReceiveStatusofULPDCPSDUs,
	Registration-Request,
	RelativeNarrowbandTxPower,
	RadioResourceStatus,
	RRCConnReestabIndicator,
	RRCConnSetupIndicator,
	UE-RLF-Report-Container,
	RRC-Context,
	ServedCell-Information,
	ServedCells,
	ShortMAC-I,
	SRVCCOperationPossible,
	SubscriberProfileIDforRFP,
	TargetCellInUTRAN,
	TargeteNBtoSource-eNBTransparentContainer,
	TimeToWait,
	TraceActivation,
	TraceDepth,
	
	TransportLayerAddress,
	UEAggregateMaximumBitRate,
	UE-HistoryInformation,
	UE-S1AP-ID,
	UESecurityCapabilities,
	UE-X2AP-ID,
	UL-HighInterferenceIndicationInfo,
	UL-InterferenceOverloadIndication,
	HWLoadIndicator,
	S1TNLLoadIndicator,
	Measurement-ID,
	ReportCharacteristics,
	MobilityParametersInformation,
	MobilityParametersModificationRange,
	ReceiveStatusOfULPDCPSDUsExtended,
	COUNTValueExtended,
	SubframeAssignment,
	ExtendedULInterferenceOverloadInfo
	
	
	
FROM X2AP-IEs

	PrivateIE-Container{},
	ProtocolExtensionContainer{},
	ProtocolIE-Container{},
	ProtocolIE-ContainerList{},
	ProtocolIE-ContainerPair{},
	ProtocolIE-ContainerPairList{},
	ProtocolIE-Single-Container{},
	X2AP-PRIVATE-IES,
	X2AP-PROTOCOL-EXTENSION,
	X2AP-PROTOCOL-IES,
	X2AP-PROTOCOL-IES-PAIR
FROM X2AP-Containers

	id-ABSInformation,
	id-ActivatedCellList,
	id-Cause,
	id-CellInformation,
	id-CellInformation-Item,
	id-CellMeasurementResult,
	id-CellMeasurementResult-Item,
	id-CellToReport,
	id-CellToReport-Item,
	id-CompositeAvailableCapacityGroup,
	id-CriticalityDiagnostics,
	id-DeactivationIndication,
	id-E-RABs-Admitted-Item,
	id-E-RABs-Admitted-List,
	id-E-RABs-NotAdmitted-List,
	id-E-RABs-SubjectToStatusTransfer-List,
	id-E-RABs-SubjectToStatusTransfer-Item,
	id-E-RABs-ToBeSetup-Item,
	id-GlobalENB-ID,
	id-GUGroupIDList,
	id-GUGroupIDToAddList,
	id-GUGroupIDToDeleteList,
	id-GUMMEI-ID,
	id-Masked-IMEISV,
	id-InvokeIndication,
	id-New-eNB-UE-X2AP-ID,
	id-Old-eNB-UE-X2AP-ID,
	id-Registration-Request,
	id-ReportingPeriodicity,
	id-ServedCells,
	id-ServedCellsToActivate,
	id-ServedCellsToAdd,
	id-ServedCellsToModify,
	id-ServedCellsToDelete,
	id-SRVCCOperationPossible,
	id-TargetCell-ID,
	id-TargeteNBtoSource-eNBTransparentContainer,
	id-TimeToWait,
	id-TraceActivation,
	id-UE-ContextInformation,
	id-UE-HistoryInformation,
	id-UE-X2AP-ID,
	id-Measurement-ID,
	id-ReportCharacteristics,
	id-ENB1-Measurement-ID,
	id-ENB2-Measurement-ID,
	id-ENB1-Cell-ID,
	id-ENB2-Cell-ID,
	id-ENB2-Proposed-Mobility-Parameters,
	id-ENB1-Mobility-Parameters,
	id-ENB2-Mobility-Parameters-Modification-Range,
	id-FailureCellPCI,
	id-Re-establishmentCellECGI,
	id-FailureCellCRNTI,
	id-ShortMAC-I,
	id-SourceCellECGI,
	id-FailureCellECGI,
	id-HandoverReportType,
	id-UE-RLF-Report-Container,
	id-PartialSuccessIndicator,
	id-MeasurementInitiationResult-List,
	id-MeasurementInitiationResult-Item,
	id-MeasurementFailureCause-Item,
	id-CompleteFailureCauseInformation-List,
	id-CompleteFailureCauseInformation-Item,
	id-CSGMembershipStatus,
	id-CSG-Id,
	id-MDTConfiguration,
	id-ManagementBasedMDTallowed,
	id-ABS-Status,
	id-RRCConnSetupIndicator,
	id-RRCConnReestabIndicator,
	id-TargetCellInUTRAN,
	id-MobilityInformation,
	id-SourceCellCRNTI,
	id-ManagementBasedMDTPLMNList,
	id-ReceiveStatusOfULPDCPSDUsExtended,
	id-ULCOUNTValueExtended,
	id-DLCOUNTValueExtended,
	id-IntendedULDLConfiguration,
	id-ExtendedULInterferenceOverloadInfo,
	id-RNL-Header,
	id-x2APMessage,

	maxCellineNB,
	maxnoofBearers,
	maxnoofPDCP-SN,
	maxFailedMeasObjects,
	maxnoofCellIDforMDT,
	maxnoofTAforMDT
	
FROM X2AP-Constants;

-- **************************************************************
--
-- HANDOVER REQUEST
--
-- **************************************************************

HandoverRequest ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{HandoverRequest-IEs}},
	...
}

HandoverRequest-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Old-eNB-UE-X2AP-ID				CRITICALITY reject	TYPE UE-X2AP-ID					PRESENCE mandatory}|
	{ ID id-Cause							CRITICALITY ignore	TYPE Cause						PRESENCE mandatory}|
	{ ID id-TargetCell-ID					CRITICALITY reject	TYPE ECGI						PRESENCE mandatory}|
	{ ID id-GUMMEI-ID						CRITICALITY reject	TYPE GUMMEI						PRESENCE mandatory}|
	{ ID id-UE-ContextInformation			CRITICALITY reject	TYPE UE-ContextInformation		PRESENCE mandatory}|
	{ ID id-UE-HistoryInformation			CRITICALITY ignore	TYPE UE-HistoryInformation		PRESENCE mandatory}|
	{ ID id-TraceActivation					CRITICALITY ignore	TYPE TraceActivation			PRESENCE optional}|
	{ ID id-SRVCCOperationPossible			CRITICALITY ignore	TYPE SRVCCOperationPossible		PRESENCE optional}|
	{ ID id-CSGMembershipStatus				CRITICALITY reject	TYPE CSGMembershipStatus		PRESENCE optional}|
	{ ID id-MobilityInformation				CRITICALITY ignore	TYPE MobilityInformation		PRESENCE optional}|
	{ ID id-Masked-IMEISV					CRITICALITY ignore	TYPE Masked-IMEISV				PRESENCE optional},
	...
}

UE-ContextInformation ::= SEQUENCE {
	mME-UE-S1AP-ID						UE-S1AP-ID,
	uESecurityCapabilities				UESecurityCapabilities,
	aS-SecurityInformation				AS-SecurityInformation,
	uEaggregateMaximumBitRate			UEAggregateMaximumBitRate,
	subscriberProfileIDforRFP			SubscriberProfileIDforRFP		OPTIONAL,
	e-RABs-ToBeSetup-List				E-RABs-ToBeSetup-List,
	rRC-Context							RRC-Context,
	handoverRestrictionList				HandoverRestrictionList		OPTIONAL,
	locationReportingInformation		LocationReportingInformation	OPTIONAL,
	iE-Extensions						ProtocolExtensionContainer { {UE-ContextInformation-ExtIEs} } OPTIONAL,
	...
}

UE-ContextInformation-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
{ ID id-ManagementBasedMDTallowed	CRITICALITY ignore	EXTENSION ManagementBasedMDTallowed		PRESENCE optional }|
{ ID id-ManagementBasedMDTPLMNList	CRITICALITY ignore	EXTENSION MDTPLMNList					PRESENCE optional },
	...
}

E-RABs-ToBeSetup-List ::= SEQUENCE (SIZE(1..maxnoofBearers)) OF ProtocolIE-Single-Container { {E-RABs-ToBeSetup-ItemIEs} }

E-RABs-ToBeSetup-ItemIEs 	X2AP-PROTOCOL-IES ::= {
	{ ID id-E-RABs-ToBeSetup-Item	 CRITICALITY ignore 	TYPE E-RABs-ToBeSetup-Item 	PRESENCE mandatory },
	...
}

E-RABs-ToBeSetup-Item ::= SEQUENCE {
	e-RAB-ID					E-RAB-ID,
	e-RAB-Level-QoS-Parameters		E-RAB-Level-QoS-Parameters,
	dL-Forwarding					DL-Forwarding													OPTIONAL,
	uL-GTPtunnelEndpoint			GTPtunnelEndpoint,
	iE-Extensions					ProtocolExtensionContainer { {E-RABs-ToBeSetup-ItemExtIEs} } OPTIONAL,
	...
}

E-RABs-ToBeSetup-ItemExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}

MobilityInformation ::= BIT STRING (SIZE(32))


-- **************************************************************
--
-- HANDOVER REQUEST ACKNOWLEDGE
--
-- **************************************************************

HandoverRequestAcknowledge ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{HandoverRequestAcknowledge-IEs}},
	...
}

HandoverRequestAcknowledge-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Old-eNB-UE-X2AP-ID							CRITICALITY ignore	TYPE UE-X2AP-ID		PRESENCE mandatory} |
	{ ID id-New-eNB-UE-X2AP-ID							CRITICALITY ignore	TYPE UE-X2AP-ID		PRESENCE mandatory} |
	{ ID id-E-RABs-Admitted-List						CRITICALITY ignore	TYPE E-RABs-Admitted-List	PRESENCE mandatory} |
	{ ID id-E-RABs-NotAdmitted-List						CRITICALITY ignore	TYPE E-RAB-List		PRESENCE optional} |
	{ ID id-TargeteNBtoSource-eNBTransparentContainer	CRITICALITY ignore	TYPE TargeteNBtoSource-eNBTransparentContainer	PRESENCE mandatory }|
	{ ID id-CriticalityDiagnostics						CRITICALITY ignore	TYPE CriticalityDiagnostics	PRESENCE optional },
	...
}

E-RABs-Admitted-List 		::= SEQUENCE (SIZE (1..maxnoofBearers)) OF ProtocolIE-Single-Container { {E-RABs-Admitted-ItemIEs} }

E-RABs-Admitted-ItemIEs X2AP-PROTOCOL-IES ::= {
	{ ID id-E-RABs-Admitted-Item	CRITICALITY ignore	TYPE E-RABs-Admitted-Item 	PRESENCE mandatory	}
}

E-RABs-Admitted-Item ::= SEQUENCE {
	e-RAB-ID					E-RAB-ID,
	uL-GTP-TunnelEndpoint			GTPtunnelEndpoint	OPTIONAL,
	dL-GTP-TunnelEndpoint			GTPtunnelEndpoint	OPTIONAL,
	iE-Extensions					ProtocolExtensionContainer { {E-RABs-Admitted-Item-ExtIEs} }	OPTIONAL,
	...
}

E-RABs-Admitted-Item-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}



-- **************************************************************
--
-- HANDOVER PREPARATION FAILURE
--
-- **************************************************************

HandoverPreparationFailure ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{HandoverPreparationFailure-IEs}},
	...
}

HandoverPreparationFailure-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Old-eNB-UE-X2AP-ID			CRITICALITY ignore	TYPE UE-X2AP-ID				PRESENCE mandatory} |
	{ ID id-Cause						CRITICALITY ignore	TYPE Cause					PRESENCE mandatory} |
	{ ID id-CriticalityDiagnostics		CRITICALITY ignore	TYPE CriticalityDiagnostics	PRESENCE optional },

	...
}

-- **************************************************************
--
-- Handover Report
--
-- **************************************************************

HandoverReport ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{HandoverReport-IEs}},
	...
}

HandoverReport-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-HandoverReportType			CRITICALITY ignore	TYPE HandoverReportType			PRESENCE mandatory}|
	{ ID id-Cause						CRITICALITY ignore	TYPE Cause						PRESENCE mandatory}|
	{ ID id-SourceCellECGI				CRITICALITY ignore	TYPE ECGI						PRESENCE mandatory}|
	{ ID id-FailureCellECGI				CRITICALITY ignore	TYPE ECGI						PRESENCE mandatory}|
	{ ID id-Re-establishmentCellECGI	CRITICALITY ignore	TYPE ECGI						PRESENCE conditional} -- The IE shall be present if the Handover Report Type IE is set to “HO to Wrong Cell” -- |
	{ ID id-TargetCellInUTRAN			CRITICALITY ignore	TYPE TargetCellInUTRAN			PRESENCE conditional} -- The IE shall be present if the Handover Report Type IE is set to "InterRAT ping-pong" --|
	{ ID id-SourceCellCRNTI				CRITICALITY ignore	TYPE CRNTI						PRESENCE optional}|
	{ ID id-MobilityInformation			CRITICALITY ignore	TYPE MobilityInformation		PRESENCE optional}|
	{ ID id-UE-RLF-Report-Container		CRITICALITY ignore	TYPE UE-RLF-Report-Container	PRESENCE optional},
	...
}

-- **************************************************************
--
-- SN Status Transfer
--
-- **************************************************************

SNStatusTransfer ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{SNStatusTransfer-IEs}},
	...
}

SNStatusTransfer-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Old-eNB-UE-X2AP-ID						CRITICALITY reject	TYPE UE-X2AP-ID						PRESENCE mandatory} |
	{ ID id-New-eNB-UE-X2AP-ID						CRITICALITY reject	TYPE UE-X2AP-ID						PRESENCE mandatory} |
	{ ID id-E-RABs-SubjectToStatusTransfer-List	CRITICALITY ignore	TYPE E-RABs-SubjectToStatusTransfer-List	PRESENCE mandatory} ,
	...
}

E-RABs-SubjectToStatusTransfer-List	::= SEQUENCE (SIZE (1..maxnoofBearers)) OF ProtocolIE-Single-Container { { E-RABs-SubjectToStatusTransfer-ItemIEs} }

E-RABs-SubjectToStatusTransfer-ItemIEs X2AP-PROTOCOL-IES ::= {
	{ ID id-E-RABs-SubjectToStatusTransfer-Item	CRITICALITY ignore	TYPE E-RABs-SubjectToStatusTransfer-Item 	PRESENCE mandatory	}
}

E-RABs-SubjectToStatusTransfer-Item ::= SEQUENCE {
	e-RAB-ID								E-RAB-ID,
	
	receiveStatusofULPDCPSDUs				ReceiveStatusofULPDCPSDUs			OPTIONAL,
	uL-COUNTvalue					COUNTvalue,
	dL-COUNTvalue					COUNTvalue,
	iE-Extensions							ProtocolExtensionContainer { {E-RABs-SubjectToStatusTransfer-ItemExtIEs} } OPTIONAL,
	...
}

E-RABs-SubjectToStatusTransfer-ItemExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	{ ID id-ReceiveStatusOfULPDCPSDUsExtended	CRITICALITY ignore	EXTENSION ReceiveStatusOfULPDCPSDUsExtended		PRESENCE optional}|
	{ ID id-ULCOUNTValueExtended				CRITICALITY ignore	EXTENSION COUNTValueExtended							PRESENCE optional}|
	{ ID id-DLCOUNTValueExtended				CRITICALITY ignore	EXTENSION COUNTValueExtended							PRESENCE optional},
	...
}





-- **************************************************************
--
-- UE Context Release 
--
-- **************************************************************

UEContextRelease ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{UEContextRelease-IEs}},
	...
}

UEContextRelease-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Old-eNB-UE-X2AP-ID			CRITICALITY reject	TYPE UE-X2AP-ID				PRESENCE mandatory} |
	{ ID id-New-eNB-UE-X2AP-ID			CRITICALITY reject	TYPE UE-X2AP-ID				PRESENCE mandatory} ,
	...
}


-- **************************************************************
--
-- HANDOVER CANCEL
--
-- **************************************************************

HandoverCancel ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{HandoverCancel-IEs}},
	...
}

HandoverCancel-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Old-eNB-UE-X2AP-ID			CRITICALITY reject	TYPE UE-X2AP-ID				PRESENCE mandatory} |
	{ ID id-New-eNB-UE-X2AP-ID			CRITICALITY ignore	TYPE UE-X2AP-ID				PRESENCE optional} |
	{ ID id-Cause						CRITICALITY ignore	TYPE Cause					PRESENCE mandatory} ,
	...
}

-- **************************************************************
--
-- ERROR INDICATION
--
-- **************************************************************

ErrorIndication ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{ErrorIndication-IEs}},
	...
}

ErrorIndication-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Old-eNB-UE-X2AP-ID			CRITICALITY ignore	TYPE UE-X2AP-ID					PRESENCE optional} |
	{ ID id-New-eNB-UE-X2AP-ID			CRITICALITY ignore	TYPE UE-X2AP-ID					PRESENCE optional} |
	{ ID id-Cause						CRITICALITY ignore	TYPE Cause						PRESENCE optional} |
	{ ID id-CriticalityDiagnostics		CRITICALITY ignore	TYPE CriticalityDiagnostics		PRESENCE optional} ,
	...
}

-- **************************************************************
--
-- Reset Request
--
-- **************************************************************

ResetRequest ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{ResetRequest-IEs}},
	...
}

ResetRequest-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Cause						CRITICALITY ignore	TYPE Cause						PRESENCE mandatory	},
	...
}

-- **************************************************************
--
-- Reset Response
--
-- **************************************************************

ResetResponse ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{ResetResponse-IEs}},
	...
}

ResetResponse-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-CriticalityDiagnostics	CRITICALITY ignore	TYPE CriticalityDiagnostics			PRESENCE optional },
	...
}

-- **************************************************************
--
-- X2 SETUP REQUEST
--
-- **************************************************************

X2SetupRequest ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{X2SetupRequest-IEs}},
	...
}

X2SetupRequest-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-GlobalENB-ID				CRITICALITY reject	TYPE GlobalENB-ID				PRESENCE mandatory} |
	{ ID id-ServedCells						CRITICALITY reject	TYPE ServedCells			PRESENCE mandatory} |
	{ ID id-GUGroupIDList					CRITICALITY reject  TYPE GUGroupIDList			PRESENCE optional},
...
}



-- **************************************************************
--
-- X2 SETUP RESPONSE
--
-- **************************************************************

X2SetupResponse ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{X2SetupResponse-IEs}},
	...
}

X2SetupResponse-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-GlobalENB-ID					CRITICALITY reject	TYPE GlobalENB-ID			PRESENCE mandatory} |
	{ ID id-ServedCells						CRITICALITY reject	TYPE ServedCells			PRESENCE mandatory} |
	{ ID id-GUGroupIDList					CRITICALITY reject  TYPE GUGroupIDList			PRESENCE optional}|
	{ ID id-CriticalityDiagnostics			CRITICALITY ignore	TYPE CriticalityDiagnostics	PRESENCE optional },
	...
}



-- **************************************************************
--
-- X2 SETUP FAILURE
--
-- **************************************************************

X2SetupFailure ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{X2SetupFailure-IEs}},
	...
}

X2SetupFailure-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Cause					CRITICALITY ignore		TYPE Cause								PRESENCE mandatory} |
	{ ID id-TimeToWait				CRITICALITY ignore		TYPE TimeToWait							PRESENCE optional} |
	{ ID id-CriticalityDiagnostics	CRITICALITY ignore		TYPE CriticalityDiagnostics				PRESENCE optional },

	...
}



-- **************************************************************
--
-- LOAD INFORMATION
--
-- **************************************************************

LoadInformation ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{LoadInformation-IEs}},
	...
}

LoadInformation-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-CellInformation				CRITICALITY ignore	TYPE CellInformation-List		PRESENCE mandatory} ,
	...
}

CellInformation-List 		::= SEQUENCE (SIZE (1..maxCellineNB)) OF ProtocolIE-Single-Container { {CellInformation-ItemIEs} }

CellInformation-ItemIEs X2AP-PROTOCOL-IES ::= {
	{ ID id-CellInformation-Item	CRITICALITY ignore	TYPE CellInformation-Item 	PRESENCE mandatory	}
}

CellInformation-Item ::= SEQUENCE {
	cell-ID							ECGI,
	ul-InterferenceOverloadIndication		UL-InterferenceOverloadIndication		OPTIONAL,
	ul-HighInterferenceIndicationInfo		UL-HighInterferenceIndicationInfo		OPTIONAL,
	relativeNarrowbandTxPower				RelativeNarrowbandTxPower				OPTIONAL,
	iE-Extensions							ProtocolExtensionContainer { {CellInformation-Item-ExtIEs} }	OPTIONAL,
	...
}

CellInformation-Item-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
{ ID id-ABSInformation						CRITICALITY ignore	EXTENSION ABSInformation							PRESENCE optional }|
{ ID id-InvokeIndication					CRITICALITY ignore	EXTENSION InvokeIndication							PRESENCE optional }|
{ ID id-IntendedULDLConfiguration			CRITICALITY ignore	EXTENSION SubframeAssignment						PRESENCE optional }|
{ ID id-ExtendedULInterferenceOverloadInfo	CRITICALITY ignore	EXTENSION ExtendedULInterferenceOverloadInfo	PRESENCE optional },
	...
}

-- **************************************************************
--
-- ENB CONFIGURATION UPDATE
--
-- **************************************************************

ENBConfigurationUpdate ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{ENBConfigurationUpdate-IEs}},
	...
}

ENBConfigurationUpdate-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-ServedCellsToAdd    	CRITICALITY reject	TYPE ServedCells				PRESENCE optional} |
	{ ID id-ServedCellsToModify 	CRITICALITY reject	TYPE ServedCellsToModify		PRESENCE optional} |
	{ ID id-ServedCellsToDelete 	CRITICALITY reject	TYPE Old-ECGIs					PRESENCE optional} |
	{ ID id-GUGroupIDToAddList 		CRITICALITY reject	TYPE GUGroupIDList				PRESENCE optional} |
	{ ID id-GUGroupIDToDeleteList 	CRITICALITY reject	TYPE GUGroupIDList				PRESENCE optional},
	...
}

ServedCellsToModify::= SEQUENCE (SIZE (1..maxCellineNB)) OF ServedCellsToModify-Item
 
ServedCellsToModify-Item::= SEQUENCE {
	old-ecgi						ECGI,
	servedCellInfo					ServedCell-Information,
	neighbour-Info					Neighbour-Information			OPTIONAL,
	iE-Extensions					ProtocolExtensionContainer { { ServedCellsToModify-Item-ExtIEs} } OPTIONAL,
	...
}

ServedCellsToModify-Item-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
{ ID id-DeactivationIndication			CRITICALITY ignore	EXTENSION DeactivationIndication				PRESENCE optional },
	...
}


Old-ECGIs::= SEQUENCE (SIZE (1..maxCellineNB)) OF ECGI

-- **************************************************************
--
-- ENB CONFIGURATION UPDATE ACKNOWLEDGE
--
-- **************************************************************

ENBConfigurationUpdateAcknowledge ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{ENBConfigurationUpdateAcknowledge-IEs}},
	...
}

ENBConfigurationUpdateAcknowledge-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-CriticalityDiagnostics		CRITICALITY ignore	TYPE CriticalityDiagnostics			PRESENCE optional	},
...
}

-- **************************************************************
--
-- ENB CONFIGURATION UPDATE FAIURE
--
-- **************************************************************

ENBConfigurationUpdateFailure ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{ENBConfigurationUpdateFailure-IEs}},
	...
}

ENBConfigurationUpdateFailure-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Cause						CRITICALITY ignore	TYPE Cause						PRESENCE mandatory	}|
	{ ID id-TimeToWait					CRITICALITY ignore	TYPE TimeToWait					PRESENCE optional	}|
	{ ID id-CriticalityDiagnostics		CRITICALITY ignore	TYPE CriticalityDiagnostics		PRESENCE optional },
	...
}



-- **************************************************************
--
-- Resource Status Request
--
-- **************************************************************

ResourceStatusRequest ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{ResourceStatusRequest-IEs}},
	...
}

ResourceStatusRequest-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-ENB1-Measurement-ID		CRITICALITY reject	TYPE Measurement-ID					PRESENCE mandatory}|
	{ ID id-ENB2-Measurement-ID		CRITICALITY ignore	TYPE Measurement-ID					PRESENCE conditional}|-- The IE shall be present if the Registration Request IE is set to “Stop”--
	{ ID id-Registration-Request	CRITICALITY reject	TYPE Registration-Request			PRESENCE mandatory}|
	{ ID id-ReportCharacteristics	CRITICALITY reject	TYPE ReportCharacteristics			PRESENCE optional}|
	{ ID id-CellToReport			CRITICALITY ignore	TYPE CellToReport-List				PRESENCE mandatory}|
	{ ID id-ReportingPeriodicity	CRITICALITY ignore	TYPE ReportingPeriodicity			PRESENCE optional}|
	{ ID id-PartialSuccessIndicator	CRITICALITY ignore	TYPE PartialSuccessIndicator		PRESENCE optional},
	...
}


CellToReport-List 		::= SEQUENCE (SIZE (1..maxCellineNB)) OF ProtocolIE-Single-Container { {CellToReport-ItemIEs} }

CellToReport-ItemIEs X2AP-PROTOCOL-IES ::= {
	{ ID id-CellToReport-Item	CRITICALITY ignore	TYPE CellToReport-Item 	PRESENCE mandatory	}
}

CellToReport-Item ::= SEQUENCE {
	cell-ID									ECGI,
	iE-Extensions							ProtocolExtensionContainer { {CellToReport-Item-ExtIEs} } OPTIONAL,
	...
}

CellToReport-Item-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}


ReportingPeriodicity ::= ENUMERATED {
	one-thousand-ms,
	two-thousand-ms,
	five-thousand-ms,
	ten-thousand-ms,
...
}

PartialSuccessIndicator ::= ENUMERATED {
	partial-success-allowed,
...
}

-- **************************************************************
--
-- Resource Status Response
--
-- **************************************************************

ResourceStatusResponse ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{ResourceStatusResponse-IEs}},
	...
}

ResourceStatusResponse-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-ENB1-Measurement-ID					CRITICALITY reject	TYPE Measurement-ID						PRESENCE mandatory}|
	{ ID id-ENB2-Measurement-ID					CRITICALITY reject	TYPE Measurement-ID						PRESENCE mandatory}|
	{ ID id-CriticalityDiagnostics				CRITICALITY ignore	TYPE CriticalityDiagnostics				PRESENCE optional}|
	{ ID id-MeasurementInitiationResult-List	CRITICALITY ignore	TYPE MeasurementInitiationResult-List	PRESENCE optional},
	...
}


MeasurementInitiationResult-List	::= SEQUENCE (SIZE (1..maxCellineNB)) OF ProtocolIE-Single-Container { { MeasurementInitiationResult-ItemIEs} }

MeasurementInitiationResult-ItemIEs X2AP-PROTOCOL-IES ::= {
	{ ID id-MeasurementInitiationResult-Item	CRITICALITY ignore	TYPE MeasurementInitiationResult-Item	PRESENCE mandatory}
}

MeasurementInitiationResult-Item ::= SEQUENCE {
	cell-ID											ECGI,
	measurementFailureCause-List					MeasurementFailureCause-List	OPTIONAL,
	iE-Extensions									ProtocolExtensionContainer { { MeasurementInitiationResult-Item-ExtIEs} }	OPTIONAL,
	...
}

MeasurementInitiationResult-Item-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}

MeasurementFailureCause-List	::= SEQUENCE (SIZE (1..maxFailedMeasObjects)) OF ProtocolIE-Single-Container { { MeasurementFailureCause-ItemIEs} }

MeasurementFailureCause-ItemIEs X2AP-PROTOCOL-IES ::= {
	{ ID id-MeasurementFailureCause-Item	CRITICALITY ignore	TYPE MeasurementFailureCause-Item		PRESENCE mandatory}
}

MeasurementFailureCause-Item ::= SEQUENCE {
	measurementFailedReportCharacteristics			ReportCharacteristics,
	cause											Cause,
	iE-Extensions									ProtocolExtensionContainer { { MeasurementFailureCause-Item-ExtIEs} }	OPTIONAL,
	...
}

MeasurementFailureCause-Item-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}

-- **************************************************************
--
-- Resource Status Failure
--
-- **************************************************************

ResourceStatusFailure ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{ResourceStatusFailure-IEs}},
	...
}

ResourceStatusFailure-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-ENB1-Measurement-ID						CRITICALITY reject	TYPE Measurement-ID						PRESENCE mandatory}|
	{ ID id-ENB2-Measurement-ID						CRITICALITY reject	TYPE Measurement-ID						PRESENCE mandatory}|
	{ ID id-Cause									CRITICALITY ignore	TYPE Cause								PRESENCE mandatory}|
	{ ID id-CriticalityDiagnostics					CRITICALITY ignore	TYPE CriticalityDiagnostics			PRESENCE optional}|
	{ ID id-CompleteFailureCauseInformation-List	CRITICALITY ignore	TYPE CompleteFailureCauseInformation-List	PRESENCE optional},
	...
}

CompleteFailureCauseInformation-List	::= SEQUENCE (SIZE (1..maxCellineNB)) OF ProtocolIE-Single-Container { {CompleteFailureCauseInformation-ItemIEs} }

CompleteFailureCauseInformation-ItemIEs X2AP-PROTOCOL-IES ::= {
	{ ID id-CompleteFailureCauseInformation-Item	CRITICALITY ignore	TYPE CompleteFailureCauseInformation-Item	PRESENCE mandatory}
}

CompleteFailureCauseInformation-Item ::= SEQUENCE {
	cell-ID											ECGI,
	measurementFailureCause-List					MeasurementFailureCause-List,
	iE-Extensions									ProtocolExtensionContainer { { CompleteFailureCauseInformation-Item-ExtIEs} }	OPTIONAL,
	...
}

CompleteFailureCauseInformation-Item-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}

-- **************************************************************
--
-- Resource Status Update
--
-- **************************************************************

ResourceStatusUpdate ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{ResourceStatusUpdate-IEs}},
	...
}

ResourceStatusUpdate-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-ENB1-Measurement-ID		CRITICALITY reject	TYPE Measurement-ID					PRESENCE mandatory}|
	{ ID id-ENB2-Measurement-ID		CRITICALITY reject	TYPE Measurement-ID					PRESENCE mandatory}|
	{ ID id-CellMeasurementResult	CRITICALITY ignore	TYPE CellMeasurementResult-List		PRESENCE mandatory},
	...
}

CellMeasurementResult-List 		::= SEQUENCE (SIZE (1..maxCellineNB)) OF ProtocolIE-Single-Container { {CellMeasurementResult-ItemIEs} }

CellMeasurementResult-ItemIEs X2AP-PROTOCOL-IES ::= {
	{ ID id-CellMeasurementResult-Item	CRITICALITY ignore	TYPE CellMeasurementResult-Item 	PRESENCE mandatory	}
}

CellMeasurementResult-Item ::= SEQUENCE {
	cell-ID							ECGI,
	hWLoadIndicator				HWLoadIndicator		OPTIONAL,
	s1TNLLoadIndicator			S1TNLLoadIndicator	OPTIONAL,
	radioResourceStatus				RadioResourceStatus	OPTIONAL,
	iE-Extensions					ProtocolExtensionContainer { {CellMeasurementResult-Item-ExtIEs} }	OPTIONAL,
	...
}

CellMeasurementResult-Item-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	{ ID id-CompositeAvailableCapacityGroup	CRITICALITY ignore	EXTENSION CompositeAvailableCapacityGroup		PRESENCE optional}|
	{ ID id-ABS-Status						CRITICALITY ignore	EXTENSION ABS-Status							PRESENCE optional},
	...
}


-- **************************************************************
--
-- PRIVATE MESSAGE
--
-- **************************************************************

PrivateMessage ::= SEQUENCE {
	privateIEs		PrivateIE-Container  {{PrivateMessage-IEs}},
	...
}

PrivateMessage-IEs X2AP-PRIVATE-IES ::= {
	...
}

-- **************************************************************
--
-- MOBILITY CHANGE REQUEST
--
-- **************************************************************

MobilityChangeRequest ::= SEQUENCE {
	protocolIEs		ProtocolIE-Container  {{MobilityChangeRequest-IEs}},
	...
}

MobilityChangeRequest-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-ENB1-Cell-ID						CRITICALITY reject	TYPE ECGI											PRESENCE mandatory	}|
	{ ID id-ENB2-Cell-ID						CRITICALITY reject	TYPE ECGI											PRESENCE mandatory	}|
	{ ID id-ENB1-Mobility-Parameters			CRITICALITY ignore	TYPE MobilityParametersInformation				PRESENCE optional	}|
	{ ID id-ENB2-Proposed-Mobility-Parameters	CRITICALITY reject	TYPE MobilityParametersInformation				PRESENCE mandatory	}|
	{ ID id-Cause								CRITICALITY reject	TYPE Cause											PRESENCE mandatory	},
	...
}

-- **************************************************************
--
-- MOBILITY CHANGE ACKNOWLEDGE
--
-- **************************************************************

MobilityChangeAcknowledge ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{MobilityChangeAcknowledge-IEs}},
	...
}

MobilityChangeAcknowledge-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-ENB1-Cell-ID			CRITICALITY reject	TYPE ECGI							PRESENCE mandatory	}|
	{ ID id-ENB2-Cell-ID			CRITICALITY reject	TYPE ECGI							PRESENCE mandatory	}|
	{ ID id-CriticalityDiagnostics	CRITICALITY ignore	TYPE CriticalityDiagnostics			PRESENCE optional },
	...
}


-- **************************************************************
--
-- MOBILITY CHANGE FAILURE
--
-- **************************************************************

MobilityChangeFailure ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{MobilityChangeFailure-IEs}},
	...
}

MobilityChangeFailure-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-ENB1-Cell-ID									CRITICALITY ignore	TYPE ECGI								PRESENCE mandatory	}|
	{ ID id-ENB2-Cell-ID									CRITICALITY ignore	TYPE ECGI								PRESENCE mandatory	}|
	{ ID id-Cause											CRITICALITY ignore	TYPE Cause												PRESENCE mandatory	}|
	{ ID id-ENB2-Mobility-Parameters-Modification-Range		CRITICALITY ignore	TYPE MobilityParametersModificationRange		PRESENCE optional	}|
	{ ID id-CriticalityDiagnostics							CRITICALITY ignore	TYPE CriticalityDiagnostics						PRESENCE optional },
	...
}

-- **************************************************************
--
-- Radio Link Failure Indication
--
-- **************************************************************

RLFIndication ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{RLFIndication-IEs}},
	...
}

RLFIndication-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-FailureCellPCI				CRITICALITY ignore	TYPE PCI						PRESENCE mandatory}|
	{ ID id-Re-establishmentCellECGI	CRITICALITY ignore	TYPE ECGI						PRESENCE mandatory}|
	{ ID id-FailureCellCRNTI			CRITICALITY ignore	TYPE CRNTI						PRESENCE mandatory}|
	{ ID id-ShortMAC-I					CRITICALITY ignore	TYPE ShortMAC-I					PRESENCE optional}|
	{ ID id-UE-RLF-Report-Container		CRITICALITY ignore	TYPE UE-RLF-Report-Container	PRESENCE optional}|
	{ ID id-RRCConnSetupIndicator		CRITICALITY reject	TYPE RRCConnSetupIndicator		PRESENCE optional}|
	{ ID id-RRCConnReestabIndicator		CRITICALITY ignore	TYPE RRCConnReestabIndicator	PRESENCE optional},
	...
}


-- **************************************************************
--
-- Cell Activation Request
--
-- **************************************************************

CellActivationRequest ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{CellActivationRequest-IEs}},
	...
}

CellActivationRequest-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-ServedCellsToActivate 	CRITICALITY reject	TYPE ServedCellsToActivate		PRESENCE mandatory },
	...
}

ServedCellsToActivate::= SEQUENCE (SIZE (1..maxCellineNB)) OF ServedCellsToActivate-Item
 
ServedCellsToActivate-Item::= SEQUENCE {
	ecgi						ECGI,
	iE-Extensions					ProtocolExtensionContainer { { ServedCellsToActivate-Item-ExtIEs} } OPTIONAL,
	...
}

ServedCellsToActivate-Item-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}

-- **************************************************************
--
-- Cell Activation Response
--
-- **************************************************************

CellActivationResponse ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{CellActivationResponse-IEs}},
	...
}

CellActivationResponse-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-ActivatedCellList 	CRITICALITY ignore		TYPE ActivatedCellList		PRESENCE mandatory }|
	{ ID id-CriticalityDiagnostics	CRITICALITY ignore	TYPE CriticalityDiagnostics			PRESENCE optional },
	...
}

ActivatedCellList ::= SEQUENCE (SIZE (1..maxCellineNB)) OF ActivatedCellList-Item
 
ActivatedCellList-Item::= SEQUENCE {
	ecgi								ECGI,
	iE-Extensions						ProtocolExtensionContainer { { ActivatedCellList-Item-ExtIEs} } OPTIONAL,
	...
}

ActivatedCellList-Item-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}

--**************************************************************
--
-- CELL ACTIVATION FAILURE
--
-- **************************************************************

CellActivationFailure ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{CellActivationFailure-IEs}},
	...
}

CellActivationFailure-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-Cause						CRITICALITY ignore	TYPE Cause						PRESENCE mandatory }|
	{ ID id-CriticalityDiagnostics		CRITICALITY ignore	TYPE CriticalityDiagnostics		PRESENCE optional },
	...
}

-- **************************************************************
--
-- X2 RELEASE
--
-- **************************************************************

X2Release ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{X2Release-IEs}},
	...
}

X2Release-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-GlobalENB-ID			CRITICALITY reject	TYPE GlobalENB-ID			PRESENCE mandatory},
...
}

-- **************************************************************
--
-- X2 Message Transfer 
--
-- **************************************************************

X2MessageTransfer ::= SEQUENCE {
	protocolIEs                     ProtocolIE-Container       {{X2MessageTransfer-IEs}},
	...
}

X2MessageTransfer-IEs X2AP-PROTOCOL-IES ::= {
	{ ID id-RNL-Header	CRITICALITY reject	TYPE RNL-Header				PRESENCE mandatory}|
	{ ID id-x2APMessage	CRITICALITY reject	TYPE X2AP-Message			PRESENCE optional},
	...
}

RNL-Header ::= SEQUENCE {
	target-GlobalENB-ID	GlobalENB-ID	OPTIONAL,
	source-GlobalENB-ID	GlobalENB-ID,
	iE-Extensions						ProtocolExtensionContainer { { RNL-Header-Item-ExtIEs} } OPTIONAL,
	...
}

RNL-Header-Item-ExtIEs X2AP-PROTOCOL-EXTENSION ::= {
	...
}

X2AP-Message ::= OCTET STRING

END