diff --git a/CMakeLists.txt b/CMakeLists.txt
index 07d1eea0b2..dd4d7161e3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -525,6 +525,10 @@ target_link_libraries(f1ap PRIVATE ngap nr_rrc)
 ##############
 # target asn1_lpp in openair3/LPP/MESSAGES/CMakeLists.txt used below
 
+# NRPPA
+##############
+add_executable(main_nrppa ${OPENAIR3_DIR}/NRPPA/main_nrppa.c )
+target_link_libraries(main_nrppa asn1_nrppa)
   
 # Hardware dependant options
 ###################################
diff --git a/openair3/CMakeLists.txt b/openair3/CMakeLists.txt
index 676bbd377b..be9574aef6 100644
--- a/openair3/CMakeLists.txt
+++ b/openair3/CMakeLists.txt
@@ -2,3 +2,4 @@ add_subdirectory(LPP)
 add_subdirectory(M3AP)
 add_subdirectory(S1AP)
 add_subdirectory(NGAP)
+add_subdirectory(NRPPA)
\ No newline at end of file
diff --git a/openair3/NRPPA/CMakeLists.txt b/openair3/NRPPA/CMakeLists.txt
new file mode 100644
index 0000000000..7537bd661d
--- /dev/null
+++ b/openair3/NRPPA/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory(MESSAGES)
diff --git a/openair3/NRPPA/MESSAGES/38455.asn b/openair3/NRPPA/MESSAGES/ASN1/38455.asn
similarity index 100%
rename from openair3/NRPPA/MESSAGES/38455.asn
rename to openair3/NRPPA/MESSAGES/ASN1/38455.asn
diff --git a/openair3/NRPPA/MESSAGES/ASN1/38455.cmake b/openair3/NRPPA/MESSAGES/ASN1/38455.cmake
new file mode 100644
index 0000000000..08795339cb
--- /dev/null
+++ b/openair3/NRPPA/MESSAGES/ASN1/38455.cmake
@@ -0,0 +1,715 @@
+set(NRPPA_GRAMMAR ASN1/38455.asn)
+
+set(nrppa_source
+ANY.c
+asn_application.c
+asn_bit_data.c
+asn_codecs_prim.c
+asn_internal.c
+asn_random_fill.c
+asn_SEQUENCE_OF.c
+asn_SET_OF.c
+ber_decoder.c
+ber_tlv_length.c
+ber_tlv_tag.c
+BIT_STRING.c
+BOOLEAN.c
+constraints.c
+constr_CHOICE.c
+constr_SEQUENCE.c
+constr_SEQUENCE_OF.c
+constr_SET_OF.c
+constr_TYPE.c
+der_encoder.c
+INTEGER.c
+NativeEnumerated.c
+NativeInteger.c
+NRPPA_AbortTransmission.c
+NRPPA_ActivationTime.c
+NRPPA_ActiveULBWP.c
+NRPPA_AdditionalPathList.c
+NRPPA_AdditionalPathListItem.c
+NRPPA_AperiodicSRS.c
+NRPPA_AperiodicSRSResourceTrigger.c
+NRPPA_AperiodicSRSResourceTriggerList.c
+NRPPA_Assistance-Information.c
+NRPPA_AssistanceInformationControl.c
+NRPPA_AssistanceInformationFailureList.c
+NRPPA_AssistanceInformationFeedback.c
+NRPPA_AssistanceInformationMetaData.c
+NRPPA_BandwidthSRS.c
+NRPPA_BCCH.c
+NRPPA_Broadcast.c
+NRPPA_BroadcastPeriodicity.c
+NRPPA_BSSID.c
+NRPPA_Cause.c
+NRPPA_CauseMisc.c
+NRPPA_CauseProtocol.c
+NRPPA_CauseRadioNetwork.c
+NRPPA_Cell-Portion-ID.c
+NRPPA_CGI-EUTRA.c
+NRPPA_CGI-NR.c
+NRPPA_CoordinateID.c
+NRPPA_CPLength-EUTRA.c
+NRPPA_Criticality.c
+NRPPA_CriticalityDiagnostics.c
+NRPPA_CriticalityDiagnostics-IE-List.c
+NRPPA_DL-Bandwidth-EUTRA.c
+NRPPA_DL-PRS.c
+NRPPA_DL-PRSMutingPattern.c
+NRPPA_DLPRSResourceARP.c
+NRPPA_DL-PRSResourceARPLocation.c
+NRPPA_DLPRSResourceCoordinates.c
+NRPPA_DLPRSResourceSetARP.c
+NRPPA_DL-PRSResourceSetARPLocation.c
+NRPPA_EARFCN.c
+NRPPA_E-CIDMeasurementFailureIndication.c
+NRPPA_E-CIDMeasurementInitiationFailure.c
+NRPPA_E-CIDMeasurementInitiationRequest.c
+NRPPA_E-CIDMeasurementInitiationResponse.c
+NRPPA_E-CIDMeasurementReport.c
+NRPPA_E-CID-MeasurementResult.c
+NRPPA_E-CIDMeasurementTerminationCommand.c
+NRPPA_ErrorIndication.c
+NRPPA_EUTRACellIdentifier.c
+NRPPA_GeographicalCoordinates.c
+NRPPA_GNB-RxTxTimeDiff.c
+NRPPA_GNBRxTxTimeDiffMeas.c
+NRPPA_HESSID.c
+NRPPA_InitiatingMessage.c
+NRPPA_LCG-to-GCS-TranslationItem.c
+NRPPA_LocationUncertainty.c
+NRPPA_MeasuredResults.c
+NRPPA_MeasuredResultsValue.c
+NRPPA_MeasurementAbort.c
+NRPPA_MeasurementBeamInfo.c
+NRPPA_MeasurementBeamInfoRequest.c
+NRPPA_MeasurementFailure.c
+NRPPA_MeasurementFailureIndication.c
+NRPPA_Measurement-ID.c
+NRPPA_MeasurementPeriodicity.c
+NRPPA_MeasurementQuantities.c
+NRPPA_MeasurementQuantities-Item.c
+NRPPA_MeasurementQuantitiesValue.c
+NRPPA_MeasurementReport.c
+NRPPA_MeasurementRequest.c
+NRPPA_MeasurementResponse.c
+NRPPA_MeasurementUpdate.c
+NRPPA_NarrowBandIndex.c
+NRPPA_NG-RANAccessPointPosition.c
+NRPPA_NG-RANCell.c
+NRPPA_NG-RAN-CGI.c
+NRPPA_NGRANHighAccuracyAccessPointPosition.c
+NRPPA_NR-ARFCN.c
+NRPPA_NRCellIdentifier.c
+NRPPA_NR-PCI.c
+NRPPA_NRPPA-PDU.c
+NRPPA_NRPPATransactionID.c
+NRPPA_NR-PRS-Beam-Information.c
+NRPPA_NR-PRS-Beam-InformationItem.c
+NRPPA_NumberOfAntennaPorts-EUTRA.c
+NRPPA_NumberOfDlFrames-EUTRA.c
+NRPPA_NumberOfDlFrames-Extended-EUTRA.c
+NRPPA_NumberOfFrequencyHoppingBands.c
+NRPPA_NZP-CSI-RS-ResourceID.c
+NRPPA_OTDOACell-Information.c
+NRPPA_OTDOACell-Information-Item.c
+NRPPA_OTDOACells.c
+NRPPA_OTDOAInformationFailure.c
+NRPPA_OTDOA-Information-Item.c
+NRPPA_OTDOAInformationRequest.c
+NRPPA_OTDOAInformationResponse.c
+NRPPA_OTDOA-Information-Type.c
+NRPPA_OTDOA-Information-Type-Item.c
+NRPPA_OtherRATMeasuredResultsValue.c
+NRPPA_OtherRATMeasurementQuantities.c
+NRPPA_OtherRATMeasurementQuantities-Item.c
+NRPPA_OtherRATMeasurementQuantitiesValue.c
+NRPPA_OtherRATMeasurementResult.c
+NRPPA_Outcome.c
+NRPPA_PathlossReferenceInformation.c
+NRPPA_PathlossReferenceSignal.c
+NRPPA_PCI-EUTRA.c
+NRPPA_PeriodicityItem.c
+NRPPA_PeriodicityList.c
+NRPPA_PhysCellIDGERAN.c
+NRPPA_PhysCellIDUTRA-FDD.c
+NRPPA_PhysCellIDUTRA-TDD.c
+NRPPA_PLMN-Identity.c
+NRPPA_PositioningActivationFailure.c
+NRPPA_PositioningActivationRequest.c
+NRPPA_PositioningActivationResponse.c
+NRPPA_PositioningBroadcastCells.c
+NRPPA_PositioningDeactivation.c
+NRPPA_PositioningInformationFailure.c
+NRPPA_PositioningInformationRequest.c
+NRPPA_PositioningInformationResponse.c
+NRPPA_PositioningInformationUpdate.c
+NRPPA_PosResourceSetTypeAperiodic.c
+NRPPA_PosResourceSetType.c
+NRPPA_PosResourceSetTypePeriodic.c
+NRPPA_PosResourceSetTypeSemi-persistent.c
+NRPPA_PosSIBs.c
+NRPPA_PosSIB-Segments.c
+NRPPA_PosSIB-Type.c
+NRPPA_PosSRSResourceID-List.c
+NRPPA_PosSRSResource-Item.c
+NRPPA_PosSRSResource-List.c
+NRPPA_PosSRSResourceSet-Item.c
+NRPPA_PosSRSResourceSet-List.c
+NRPPA_Presence.c
+NRPPA_PrivateIE-Container.c
+NRPPA_PrivateIE-Field.c
+NRPPA_PrivateIE-ID.c
+NRPPA_PrivateMessage.c
+NRPPA_ProcedureCode.c
+NRPPA_ProtocolExtensionContainer.c
+NRPPA_ProtocolExtensionField.c
+NRPPA_ProtocolIE-Container.c
+NRPPA_ProtocolIE-ContainerList.c
+NRPPA_ProtocolIE-Field.c
+NRPPA_ProtocolIE-ID.c
+NRPPA_ProtocolIE-Single-Container.c
+NRPPA_PRSAngleItem.c
+NRPPA_PRS-Bandwidth-EUTRA.c
+NRPPA_PRSConfiguration.c
+NRPPA_PRS-ConfigurationIndex-EUTRA.c
+NRPPA_PRSFrequencyHoppingConfiguration-EUTRA.c
+NRPPA_PRS-ID.c
+NRPPA_PRS-ID-EUTRA.c
+NRPPA_PRSInformationPos.c
+NRPPA_PRSMuting.c
+NRPPA_PRSMutingConfiguration-EUTRA.c
+NRPPA_PRSMutingOption1.c
+NRPPA_PRSMutingOption2.c
+NRPPA_PRSOccasionGroup-EUTRA.c
+NRPPA_PRS-Resource-ID.c
+NRPPA_PRSResource-Item.c
+NRPPA_PRSResource-List.c
+NRPPA_PRSResource-QCLInfo.c
+NRPPA_PRSResource-QCLSourcePRSInfo.c
+NRPPA_PRS-Resource-Set-ID.c
+NRPPA_PRSResourceSet-Item.c
+NRPPA_PRSResourceSet-List.c
+NRPPA_ReferencePoint.c
+NRPPA_ReferenceSignal.c
+NRPPA_RelativeCartesianLocation.c
+NRPPA_RelativeGeodeticLocation.c
+NRPPA_RelativePathDelay.c
+NRPPA_ReportCharacteristics.c
+NRPPA_RequestedSRSTransmissionCharacteristics.c
+NRPPA_ResourceSetTypeAperiodic.c
+NRPPA_ResourceSetType.c
+NRPPA_ResourceSetTypePeriodic.c
+NRPPA_ResourceSetTypeSemi-persistent.c
+NRPPA_ResourceTypeAperiodic.c
+NRPPA_ResourceTypeAperiodicPos.c
+NRPPA_ResourceType.c
+NRPPA_ResourceTypePeriodic.c
+NRPPA_ResourceTypePeriodicPos.c
+NRPPA_ResourceTypePos.c
+NRPPA_ResourceTypeSemi-persistent.c
+NRPPA_ResourceTypeSemi-persistentPos.c
+NRPPA_ResultCSI-RSRP.c
+NRPPA_ResultCSI-RSRP-Item.c
+NRPPA_ResultCSI-RSRP-PerCSI-RS.c
+NRPPA_ResultCSI-RSRP-PerCSI-RS-Item.c
+NRPPA_ResultCSI-RSRQ.c
+NRPPA_ResultCSI-RSRQ-Item.c
+NRPPA_ResultCSI-RSRQ-PerCSI-RS.c
+NRPPA_ResultCSI-RSRQ-PerCSI-RS-Item.c
+NRPPA_ResultEUTRA.c
+NRPPA_ResultEUTRA-Item.c
+NRPPA_ResultGERAN.c
+NRPPA_ResultGERAN-Item.c
+NRPPA_ResultNR.c
+NRPPA_ResultNR-Item.c
+NRPPA_ResultRSRP-EUTRA.c
+NRPPA_ResultRSRP-EUTRA-Item.c
+NRPPA_ResultRSRQ-EUTRA.c
+NRPPA_ResultRSRQ-EUTRA-Item.c
+NRPPA_ResultSS-RSRP.c
+NRPPA_ResultSS-RSRP-Item.c
+NRPPA_ResultSS-RSRP-PerSSB.c
+NRPPA_ResultSS-RSRP-PerSSB-Item.c
+NRPPA_ResultSS-RSRQ.c
+NRPPA_ResultSS-RSRQ-Item.c
+NRPPA_ResultSS-RSRQ-PerSSB.c
+NRPPA_ResultSS-RSRQ-PerSSB-Item.c
+NRPPA_ResultUTRAN.c
+NRPPA_ResultUTRAN-Item.c
+NRPPA_RSSI.c
+NRPPA_SCS-SpecificCarrier.c
+NRPPA_Search-window-information.c
+NRPPA_SemipersistentSRS.c
+NRPPA_SFNInitialisationTime.c
+NRPPA_SFNInitialisationTime-EUTRA.c
+NRPPA_SlotNumber.c
+NRPPA_SpatialDirectionInformation.c
+NRPPA_SpatialRelationforResourceID.c
+NRPPA_SpatialRelationforResourceIDItem.c
+NRPPA_SpatialRelationInfo.c
+NRPPA_SpatialRelationPos.c
+NRPPA_SRSCarrier-List.c
+NRPPA_SRSCarrier-List-Item.c
+NRPPA_SRSConfig.c
+NRPPA_SRSConfiguration.c
+NRPPA_SRSPosResourceID.c
+NRPPA_SRSResource.c
+NRPPA_SRSResourceID.c
+NRPPA_SRSResourceID-List.c
+NRPPA_SRSResource-List.c
+NRPPA_SRSResourceSet.c
+NRPPA_SRSResourceSetID.c
+NRPPA_SRSResourceSet-Item.c
+NRPPA_SRSResourceSet-List.c
+NRPPA_SRSResourceTrigger.c
+NRPPA_SRSSpatialRelation.c
+NRPPA_SRSType.c
+NRPPA_SSBBurstPosition.c
+NRPPA_SSB.c
+NRPPA_SSB-Index.c
+NRPPA_SSBInfo.c
+NRPPA_SSBInfoList.c
+NRPPA_SSBPos.c
+NRPPA_SSID.c
+NRPPA_SuccessfulOutcome.c
+NRPPA_SystemFrameNumber.c
+NRPPA_SystemInformation.c
+NRPPA_TAC.c
+NRPPA_TDD-Config-EUTRA-Item.c
+NRPPA_TF-Configuration.c
+NRPPA_TimeStamp.c
+NRPPA_TimeStampSlotIndex.c
+NRPPA_TP-ID-EUTRA.c
+NRPPA_TP-Type-EUTRA.c
+NRPPA_TransmissionComb.c
+NRPPA_TransmissionCombPos.c
+NRPPA_TriggeringMessage.c
+NRPPA_TRP-ID.c
+NRPPA_TRPInformation.c
+NRPPA_TRPInformationFailure.c
+NRPPA_TRPInformationItem.c
+NRPPA_TRPInformationList.c
+NRPPA_TRPInformationRequest.c
+NRPPA_TRPInformationResponse.c
+NRPPA_TRPInformationTypeItem.c
+NRPPA_TRPInformationTypeList.c
+NRPPA_TRPItem.c
+NRPPA_TRPList.c
+NRPPA_TrpMeasuredResultsValue.c
+NRPPA_TrpMeasurementAngleQuality.c
+NRPPA_TrpMeasurementQuality.c
+NRPPA_TRPMeasurementQuantities.c
+NRPPA_TRPMeasurementQuantities-Item.c
+NRPPA_TRPMeasurementQuantitiesList-Item.c
+NRPPA_TRP-MeasurementRequestItem.c
+NRPPA_TRP-MeasurementRequestList.c
+NRPPA_TRP-MeasurementResponseItem.c
+NRPPA_TRP-MeasurementResponseList.c
+NRPPA_TrpMeasurementResult.c
+NRPPA_TrpMeasurementResultItem.c
+NRPPA_TrpMeasurementTimingQuality.c
+NRPPA_TRPPositionDefinitionType.c
+NRPPA_TRPPositionDirectAccuracy.c
+NRPPA_TRPPositionDirect.c
+NRPPA_TRPPositionReferenced.c
+NRPPA_TRPReferencePointType.c
+NRPPA_TypeOfError.c
+NRPPA_UARFCN.c
+NRPPA_UE-Measurement-ID.c
+NRPPA_UL-AoA.c
+NRPPA_ULRTOAMeas.c
+NRPPA_UL-RTOAMeasurement.c
+NRPPA_UL-SRS-RSRP.c
+NRPPA_UnsuccessfulOutcome.c
+NRPPA_UplinkChannelBW-PerSCS-List.c
+NRPPA_UTRA-EcN0.c
+NRPPA_UTRA-RSCP.c
+NRPPA_ValueRSRP-EUTRA.c
+NRPPA_ValueRSRP-NR.c
+NRPPA_ValueRSRQ-EUTRA.c
+NRPPA_ValueRSRQ-NR.c
+NRPPA_WLANBand.c
+NRPPA_WLANChannel.c
+NRPPA_WLANChannelList.c
+NRPPA_WLANCountryCode.c
+NRPPA_WLANMeasurementQuantities.c
+NRPPA_WLANMeasurementQuantities-Item.c
+NRPPA_WLANMeasurementQuantitiesValue.c
+NRPPA_WLANMeasurementResult.c
+NRPPA_WLANMeasurementResult-Item.c
+NRPPA_WLANOperatingClass.c
+NRPPA_WLAN-RSSI.c
+NULL.c
+OBJECT_IDENTIFIER.c
+OCTET_STRING.c
+OPEN_TYPE.c
+per_decoder.c
+per_encoder.c
+per_opentype.c
+per_support.c
+xer_decoder.c
+xer_encoder.c
+xer_support.c
+
+)
+
+set(nrppa_headers
+ANY.h
+asn_application.h
+asn_bit_data.h
+asn_codecs.h
+asn_codecs_prim.h
+asn_internal.h
+asn_ioc.h
+asn_random_fill.h
+asn_SEQUENCE_OF.h
+asn_SET_OF.h
+asn_system.h
+ber_decoder.h
+ber_tlv_length.h
+ber_tlv_tag.h
+BIT_STRING.h
+BOOLEAN.h
+constraints.h
+constr_CHOICE.h
+constr_SEQUENCE.h
+constr_SEQUENCE_OF.h
+constr_SET_OF.h
+constr_TYPE.h
+der_encoder.h
+INTEGER.h
+NativeEnumerated.h
+NativeInteger.h
+NRPPA_AbortTransmission.h
+NRPPA_ActivationTime.h
+NRPPA_ActiveULBWP.h
+NRPPA_AdditionalPathList.h
+NRPPA_AdditionalPathListItem.h
+NRPPA_AperiodicSRS.h
+NRPPA_AperiodicSRSResourceTrigger.h
+NRPPA_AperiodicSRSResourceTriggerList.h
+NRPPA_asn_constant.h
+NRPPA_AssistanceInformationControl.h
+NRPPA_AssistanceInformationFailureList.h
+NRPPA_AssistanceInformationFeedback.h
+NRPPA_Assistance-Information.h
+NRPPA_AssistanceInformationMetaData.h
+NRPPA_BandwidthSRS.h
+NRPPA_BCCH.h
+NRPPA_Broadcast.h
+NRPPA_BroadcastPeriodicity.h
+NRPPA_BSSID.h
+NRPPA_Cause.h
+NRPPA_CauseMisc.h
+NRPPA_CauseProtocol.h
+NRPPA_CauseRadioNetwork.h
+NRPPA_Cell-Portion-ID.h
+NRPPA_CGI-EUTRA.h
+NRPPA_CGI-NR.h
+NRPPA_CoordinateID.h
+NRPPA_CPLength-EUTRA.h
+NRPPA_CriticalityDiagnostics.h
+NRPPA_CriticalityDiagnostics-IE-List.h
+NRPPA_Criticality.h
+NRPPA_DL-Bandwidth-EUTRA.h
+NRPPA_DL-PRS.h
+NRPPA_DL-PRSMutingPattern.h
+NRPPA_DLPRSResourceARP.h
+NRPPA_DL-PRSResourceARPLocation.h
+NRPPA_DLPRSResourceCoordinates.h
+NRPPA_DLPRSResourceSetARP.h
+NRPPA_DL-PRSResourceSetARPLocation.h
+NRPPA_EARFCN.h
+NRPPA_E-CIDMeasurementFailureIndication.h
+NRPPA_E-CIDMeasurementInitiationFailure.h
+NRPPA_E-CIDMeasurementInitiationRequest.h
+NRPPA_E-CIDMeasurementInitiationResponse.h
+NRPPA_E-CIDMeasurementReport.h
+NRPPA_E-CID-MeasurementResult.h
+NRPPA_E-CIDMeasurementTerminationCommand.h
+NRPPA_ErrorIndication.h
+NRPPA_EUTRACellIdentifier.h
+NRPPA_GeographicalCoordinates.h
+NRPPA_GNB-RxTxTimeDiff.h
+NRPPA_GNBRxTxTimeDiffMeas.h
+NRPPA_HESSID.h
+NRPPA_InitiatingMessage.h
+NRPPA_LCG-to-GCS-TranslationItem.h
+NRPPA_LocationUncertainty.h
+NRPPA_MeasuredResults.h
+NRPPA_MeasuredResultsValue.h
+NRPPA_MeasurementAbort.h
+NRPPA_MeasurementBeamInfo.h
+NRPPA_MeasurementBeamInfoRequest.h
+NRPPA_MeasurementFailure.h
+NRPPA_MeasurementFailureIndication.h
+NRPPA_Measurement-ID.h
+NRPPA_MeasurementPeriodicity.h
+NRPPA_MeasurementQuantities.h
+NRPPA_MeasurementQuantities-Item.h
+NRPPA_MeasurementQuantitiesValue.h
+NRPPA_MeasurementReport.h
+NRPPA_MeasurementRequest.h
+NRPPA_MeasurementResponse.h
+NRPPA_MeasurementUpdate.h
+NRPPA_NarrowBandIndex.h
+NRPPA_NG-RANAccessPointPosition.h
+NRPPA_NG-RANCell.h
+NRPPA_NG-RAN-CGI.h
+NRPPA_NGRANHighAccuracyAccessPointPosition.h
+NRPPA_NR-ARFCN.h
+NRPPA_NRCellIdentifier.h
+NRPPA_NR-PCI.h
+NRPPA_NRPPA-PDU.h
+NRPPA_NRPPATransactionID.h
+NRPPA_NR-PRS-Beam-Information.h
+NRPPA_NR-PRS-Beam-InformationItem.h
+NRPPA_NumberOfAntennaPorts-EUTRA.h
+NRPPA_NumberOfDlFrames-EUTRA.h
+NRPPA_NumberOfDlFrames-Extended-EUTRA.h
+NRPPA_NumberOfFrequencyHoppingBands.h
+NRPPA_NZP-CSI-RS-ResourceID.h
+NRPPA_OTDOACell-Information.h
+NRPPA_OTDOACell-Information-Item.h
+NRPPA_OTDOACells.h
+NRPPA_OTDOAInformationFailure.h
+NRPPA_OTDOA-Information-Item.h
+NRPPA_OTDOAInformationRequest.h
+NRPPA_OTDOAInformationResponse.h
+NRPPA_OTDOA-Information-Type.h
+NRPPA_OTDOA-Information-Type-Item.h
+NRPPA_OtherRATMeasuredResultsValue.h
+NRPPA_OtherRATMeasurementQuantities.h
+NRPPA_OtherRATMeasurementQuantities-Item.h
+NRPPA_OtherRATMeasurementQuantitiesValue.h
+NRPPA_OtherRATMeasurementResult.h
+NRPPA_Outcome.h
+NRPPA_PathlossReferenceInformation.h
+NRPPA_PathlossReferenceSignal.h
+NRPPA_PCI-EUTRA.h
+NRPPA_PeriodicityItem.h
+NRPPA_PeriodicityList.h
+NRPPA_PhysCellIDGERAN.h
+NRPPA_PhysCellIDUTRA-FDD.h
+NRPPA_PhysCellIDUTRA-TDD.h
+NRPPA_PLMN-Identity.h
+NRPPA_PositioningActivationFailure.h
+NRPPA_PositioningActivationRequest.h
+NRPPA_PositioningActivationResponse.h
+NRPPA_PositioningBroadcastCells.h
+NRPPA_PositioningDeactivation.h
+NRPPA_PositioningInformationFailure.h
+NRPPA_PositioningInformationRequest.h
+NRPPA_PositioningInformationResponse.h
+NRPPA_PositioningInformationUpdate.h
+NRPPA_PosResourceSetTypeAperiodic.h
+NRPPA_PosResourceSetType.h
+NRPPA_PosResourceSetTypePeriodic.h
+NRPPA_PosResourceSetTypeSemi-persistent.h
+NRPPA_PosSIB-Segments.h
+NRPPA_PosSIBs.h
+NRPPA_PosSIB-Type.h
+NRPPA_PosSRSResourceID-List.h
+NRPPA_PosSRSResource-Item.h
+NRPPA_PosSRSResource-List.h
+NRPPA_PosSRSResourceSet-Item.h
+NRPPA_PosSRSResourceSet-List.h
+NRPPA_Presence.h
+NRPPA_PrivateIE-Container.h
+NRPPA_PrivateIE-Field.h
+NRPPA_PrivateIE-ID.h
+NRPPA_PrivateMessage.h
+NRPPA_ProcedureCode.h
+NRPPA_ProtocolExtensionContainer.h
+NRPPA_ProtocolExtensionField.h
+NRPPA_ProtocolIE-Container.h
+NRPPA_ProtocolIE-ContainerList.h
+NRPPA_ProtocolIE-Field.h
+NRPPA_ProtocolIE-ID.h
+NRPPA_ProtocolIE-Single-Container.h
+NRPPA_PRSAngleItem.h
+NRPPA_PRS-Bandwidth-EUTRA.h
+NRPPA_PRSConfiguration.h
+NRPPA_PRS-ConfigurationIndex-EUTRA.h
+NRPPA_PRSFrequencyHoppingConfiguration-EUTRA.h
+NRPPA_PRS-ID-EUTRA.h
+NRPPA_PRS-ID.h
+NRPPA_PRSInformationPos.h
+NRPPA_PRSMutingConfiguration-EUTRA.h
+NRPPA_PRSMuting.h
+NRPPA_PRSMutingOption1.h
+NRPPA_PRSMutingOption2.h
+NRPPA_PRSOccasionGroup-EUTRA.h
+NRPPA_PRS-Resource-ID.h
+NRPPA_PRSResource-Item.h
+NRPPA_PRSResource-List.h
+NRPPA_PRSResource-QCLInfo.h
+NRPPA_PRSResource-QCLSourcePRSInfo.h
+NRPPA_PRS-Resource-Set-ID.h
+NRPPA_PRSResourceSet-Item.h
+NRPPA_PRSResourceSet-List.h
+NRPPA_ReferencePoint.h
+NRPPA_ReferenceSignal.h
+NRPPA_RelativeCartesianLocation.h
+NRPPA_RelativeGeodeticLocation.h
+NRPPA_RelativePathDelay.h
+NRPPA_ReportCharacteristics.h
+NRPPA_RequestedSRSTransmissionCharacteristics.h
+NRPPA_ResourceSetTypeAperiodic.h
+NRPPA_ResourceSetType.h
+NRPPA_ResourceSetTypePeriodic.h
+NRPPA_ResourceSetTypeSemi-persistent.h
+NRPPA_ResourceTypeAperiodic.h
+NRPPA_ResourceTypeAperiodicPos.h
+NRPPA_ResourceType.h
+NRPPA_ResourceTypePeriodic.h
+NRPPA_ResourceTypePeriodicPos.h
+NRPPA_ResourceTypePos.h
+NRPPA_ResourceTypeSemi-persistent.h
+NRPPA_ResourceTypeSemi-persistentPos.h
+NRPPA_ResultCSI-RSRP.h
+NRPPA_ResultCSI-RSRP-Item.h
+NRPPA_ResultCSI-RSRP-PerCSI-RS.h
+NRPPA_ResultCSI-RSRP-PerCSI-RS-Item.h
+NRPPA_ResultCSI-RSRQ.h
+NRPPA_ResultCSI-RSRQ-Item.h
+NRPPA_ResultCSI-RSRQ-PerCSI-RS.h
+NRPPA_ResultCSI-RSRQ-PerCSI-RS-Item.h
+NRPPA_ResultEUTRA.h
+NRPPA_ResultEUTRA-Item.h
+NRPPA_ResultGERAN.h
+NRPPA_ResultGERAN-Item.h
+NRPPA_ResultNR.h
+NRPPA_ResultNR-Item.h
+NRPPA_ResultRSRP-EUTRA.h
+NRPPA_ResultRSRP-EUTRA-Item.h
+NRPPA_ResultRSRQ-EUTRA.h
+NRPPA_ResultRSRQ-EUTRA-Item.h
+NRPPA_ResultSS-RSRP.h
+NRPPA_ResultSS-RSRP-Item.h
+NRPPA_ResultSS-RSRP-PerSSB.h
+NRPPA_ResultSS-RSRP-PerSSB-Item.h
+NRPPA_ResultSS-RSRQ.h
+NRPPA_ResultSS-RSRQ-Item.h
+NRPPA_ResultSS-RSRQ-PerSSB.h
+NRPPA_ResultSS-RSRQ-PerSSB-Item.h
+NRPPA_ResultUTRAN.h
+NRPPA_ResultUTRAN-Item.h
+NRPPA_RSSI.h
+NRPPA_SCS-SpecificCarrier.h
+NRPPA_Search-window-information.h
+NRPPA_SemipersistentSRS.h
+NRPPA_SFNInitialisationTime-EUTRA.h
+NRPPA_SFNInitialisationTime.h
+NRPPA_SlotNumber.h
+NRPPA_SpatialDirectionInformation.h
+NRPPA_SpatialRelationforResourceID.h
+NRPPA_SpatialRelationforResourceIDItem.h
+NRPPA_SpatialRelationInfo.h
+NRPPA_SpatialRelationPos.h
+NRPPA_SRSCarrier-List.h
+NRPPA_SRSCarrier-List-Item.h
+NRPPA_SRSConfig.h
+NRPPA_SRSConfiguration.h
+NRPPA_SRSPosResourceID.h
+NRPPA_SRSResource.h
+NRPPA_SRSResourceID.h
+NRPPA_SRSResourceID-List.h
+NRPPA_SRSResource-List.h
+NRPPA_SRSResourceSet.h
+NRPPA_SRSResourceSetID.h
+NRPPA_SRSResourceSet-Item.h
+NRPPA_SRSResourceSet-List.h
+NRPPA_SRSResourceTrigger.h
+NRPPA_SRSSpatialRelation.h
+NRPPA_SRSType.h
+NRPPA_SSBBurstPosition.h
+NRPPA_SSB.h
+NRPPA_SSB-Index.h
+NRPPA_SSBInfo.h
+NRPPA_SSBInfoList.h
+NRPPA_SSBPos.h
+NRPPA_SSID.h
+NRPPA_SuccessfulOutcome.h
+NRPPA_SystemFrameNumber.h
+NRPPA_SystemInformation.h
+NRPPA_TAC.h
+NRPPA_TDD-Config-EUTRA-Item.h
+NRPPA_TF-Configuration.h
+NRPPA_TimeStamp.h
+NRPPA_TimeStampSlotIndex.h
+NRPPA_TP-ID-EUTRA.h
+NRPPA_TP-Type-EUTRA.h
+NRPPA_TransmissionComb.h
+NRPPA_TransmissionCombPos.h
+NRPPA_TriggeringMessage.h
+NRPPA_TRP-ID.h
+NRPPA_TRPInformationFailure.h
+NRPPA_TRPInformation.h
+NRPPA_TRPInformationItem.h
+NRPPA_TRPInformationList.h
+NRPPA_TRPInformationRequest.h
+NRPPA_TRPInformationResponse.h
+NRPPA_TRPInformationTypeItem.h
+NRPPA_TRPInformationTypeList.h
+NRPPA_TRPItem.h
+NRPPA_TRPList.h
+NRPPA_TrpMeasuredResultsValue.h
+NRPPA_TrpMeasurementAngleQuality.h
+NRPPA_TrpMeasurementQuality.h
+NRPPA_TRPMeasurementQuantities.h
+NRPPA_TRPMeasurementQuantities-Item.h
+NRPPA_TRPMeasurementQuantitiesList-Item.h
+NRPPA_TRP-MeasurementRequestItem.h
+NRPPA_TRP-MeasurementRequestList.h
+NRPPA_TRP-MeasurementResponseItem.h
+NRPPA_TRP-MeasurementResponseList.h
+NRPPA_TrpMeasurementResult.h
+NRPPA_TrpMeasurementResultItem.h
+NRPPA_TrpMeasurementTimingQuality.h
+NRPPA_TRPPositionDefinitionType.h
+NRPPA_TRPPositionDirectAccuracy.h
+NRPPA_TRPPositionDirect.h
+NRPPA_TRPPositionReferenced.h
+NRPPA_TRPReferencePointType.h
+NRPPA_TypeOfError.h
+NRPPA_UARFCN.h
+NRPPA_UE-Measurement-ID.h
+NRPPA_UL-AoA.h
+NRPPA_ULRTOAMeas.h
+NRPPA_UL-RTOAMeasurement.h
+NRPPA_UL-SRS-RSRP.h
+NRPPA_UnsuccessfulOutcome.h
+NRPPA_UplinkChannelBW-PerSCS-List.h
+NRPPA_UTRA-EcN0.h
+NRPPA_UTRA-RSCP.h
+NRPPA_ValueRSRP-EUTRA.h
+NRPPA_ValueRSRP-NR.h
+NRPPA_ValueRSRQ-EUTRA.h
+NRPPA_ValueRSRQ-NR.h
+NRPPA_WLANBand.h
+NRPPA_WLANChannel.h
+NRPPA_WLANChannelList.h
+NRPPA_WLANCountryCode.h
+NRPPA_WLANMeasurementQuantities.h
+NRPPA_WLANMeasurementQuantities-Item.h
+NRPPA_WLANMeasurementQuantitiesValue.h
+NRPPA_WLANMeasurementResult.h
+NRPPA_WLANMeasurementResult-Item.h
+NRPPA_WLANOperatingClass.h
+NRPPA_WLAN-RSSI.h
+NULL.h
+OBJECT_IDENTIFIER.h
+OCTET_STRING.h
+OPEN_TYPE.h
+per_decoder.h
+per_encoder.h
+per_opentype.h
+per_support.h
+xer_decoder.h
+xer_encoder.h
+xer_support.h
+
+)
\ No newline at end of file
diff --git a/openair3/NRPPA/MESSAGES/CMakeLists.txt b/openair3/NRPPA/MESSAGES/CMakeLists.txt
new file mode 100644
index 0000000000..e596272175
--- /dev/null
+++ b/openair3/NRPPA/MESSAGES/CMakeLists.txt
@@ -0,0 +1,22 @@
+#set(NRPPA_VERSION 16 78 0)
+#make_version(NRPPA_cc ${NRPPA_VERSION})
+#add_definitions(-DNRPPA_VERSION=${NRPPA_cc})
+#string(REPLACE ";" "." NRPPA_RELEASE "${NRPPA_VERSION}")
+
+#if(NRPPA_RELEASE VERSION_EQUAL "16.78.0")
+include(ASN1/38455.cmake)
+#else()
+#  message(FATAL_ERROR "unknown NRPPA_RELEASE ${NRPPA_RELEASE}")
+#endif()
+
+add_custom_command(OUTPUT ${nrppa_source} ${nrppa_headers}
+  COMMAND ASN1C_PREFIX=NRPPA_ asn1c -gen-PER -no-gen-OER -fcompound-names -no-gen-example -findirect-choice -fno-include-deps -D ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/${NRPPA_GRAMMAR}
+  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${NRPPA_GRAMMAR}
+  COMMENT "Generating NRPPA source files from ${CMAKE_CURRENT_SOURCE_DIR}/${NRPPA_GRAMMAR}"
+)
+
+add_library(asn1_nrppa ${nrppa_source})
+target_include_directories(asn1_nrppa PUBLIC "${CMAKE_CURRENT_BINARY_DIR}")
+target_compile_options(asn1_nrppa PRIVATE -DASN_DISABLE_OER_SUPPORT -w)
+
+