中国移动等运营商在对终端的规范中明确要求，首先要支持双连接的5G NSA网络；因此终端在接入网络时需上报其ENDC/NSA频段组合 等信息;UE双连接的信息如下：
{ message c1: ueCapabilityInformation: {
rrc-TransactionIdentifier 0,
criticalExtensions c1: ueCapabilityInformation-r8: {
ue-CapabilityRAT-ContainerList {
{
rat-Type nr,（5G网络）
ueCapabilityRAT-Container {
accessStratumRelease rel15,（接入版本）
pdcp-Parameters {（PDCP层参数）
supportedROHC-Profiles {（ROHC参数）
profile0x0000 FALSE,
profile0x0001 FALSE,
profile0x0002 FALSE,
profile0x0003 FALSE,
profile0x0004 FALSE,
profile0x0006 FALSE,
profile0x0101 FALSE,
profile0x0102 FALSE,
profile0x0103 FALSE,
profile0x0104 FALSE
},
maxNumberROHC-ContextSessions cs16,
continueROHC-Context supported,
outOfOrderDelivery supported,
shortSN supported
},
rlc-Parameters {（RLC层参数）
am-WithShortSN supported,
um-WithShortSN supported,
um-WithLongSN supported
},
mac-Parameters {（MAC层参数）
mac-ParametersCommon {
lcp-Restriction supported,
dummy supported
}
},
phy-Parameters {（PHY层参数）
phy-ParametersCommon {
csi-RS-CFRA-ForHO supported,
sp-CSI-ReportPUCCH supported,
sp-CSI-ReportPUSCH supported,
nzp-CSI-RS-IntefMgmt supported,
precoderGranularityCORESET supported,
dynamicHARQ-ACK-Codebook supported,
semiStaticHARQ-ACK-Codebook supported,
spatialBundlingHARQ-ACK supported,
dynamicBetaOffsetInd-HARQ-ACK-CSI supported,
pucch-Repetition-F1-3-4 supported,
dynamicSwitchRA-Type0-1-PDSCH supported,
pdsch-MappingTypeA supported,
pdsch-MappingTypeB supported,
interleavingVRB-ToPRB-PDSCH supported,
interSlotFreqHopping-PUSCH supported,
type1-PUSCH-RepetitionMultiSlots supported,
type2-PUSCH-RepetitionMultiSlots supported,
pusch-RepetitionMultiSlots supported,
pdsch-RepetitionMultiSlots supported,
downlinkSPS supported,
configuredUL-GrantType1 supported,
configuredUL-GrantType2 supported,
pre-EmptIndication-DL supported,
cbg-TransIndication-DL supported,
cbg-TransIndication-UL supported,
cbg-FlushIndication-DL supported,
dynamicHARQ-ACK-CodeB-CBG-Retx-DL supported,
rateMatchingResrcSetSemi-Static supported,
rateMatchingResrcSetDynamic supported,
bwp-SwitchingDelay type2
},
phy-ParametersFR1 {（FR1物理参数）
pdcchMonitoringSingleOccasion supported,
scs-60kHz supported,
pdsch-256QAM-FR1 supported,
pdsch-RE-MappingFR1-PerSymbol n20
}
},
rf-Parameters {
supportedBandListNR {
{
bandNR 78,（FR1频段）
modifiedMPR-Behaviour '00'H,
mimo-ParametersPerBand {
tci-StatePDSCH {
maxNumberConfiguredTCIstatesPerCC n64,
maxNumberActiveTCI-PerBWP n8
},
additionalActiveTCI-StatePDCCH supported,
periodicBeamReport supported,(波束周期上报）
aperiodicBeamReport supported,(波束非周期上报）
sp-BeamReportPUCCH supported,
sp-BeamReportPUSCH supported,
dummy1 {
maxNumberSSB-CSI-RS-ResourceOneTx n8,
maxNumberSSB-CSI-RS-ResourceTwoTx n8,
supportedCSI-RS-Density oneAndThree
},
maxNumberRxBeam 8,（接收波束最多8个）
maxNumberNonGroupBeamReporting n4,（波束组--4个波束）
groupBeamReporting supported,
maxNumberCSI-RS-BFD 64,
maxNumberSSB-BFD 64,
maxNumberCSI-RS-SSB-CBD 128,
dummy2 supported,
twoPortsPTRS-UL supported,（PTRS上行--两端口）支持
supportedSRS-Resources {
maxNumberAperiodicSRS-PerBWP n2,
maxNumberAperiodicSRS-PerBWP-PerSlot 1,
maxNumberPeriodicSRS-PerBWP n1,
maxNumberPeriodicSRS-PerBWP-PerSlot 1,
maxNumberSemiPersitentSRS-PerBWP n1,
maxNumberSP-SRS-PerBWP-PerSlot 1,
maxNumberSRS-Ports-PerResource n1
},
dummy3 1,
beamReportTiming {（波束上报时长）
scs-15kHz sym8,
scs-30kHz sym14,
scs-60kHz sym28,
scs-120kHz sym28
},
dummy4 {
burstLength 2,
maxSimultaneousResourceSetsPerCC 8,
maxConfiguredResourceSetsPerCC 64,
maxConfiguredResourceSetsAllCC 128
}
},
multipleTCI supported,
bwp-WithoutRestriction supported,
bwp-SameNumerology upto4,
bwp-DiffNumerology upto4,
pdsch-256QAM-FR2 supported,
ue-PowerClass pc3
}
}
},
measAndMobParameters {
measAndMobParametersCommon {
supportedGapPattern '0000000000000000000000'B
}
},
tdd-Add-UE-NR-Capabilities {
phy-ParametersXDD-Diff {
twoPUCCH-F0-2-ConsecSymbols supported,
twoDifferentTPC-Loop-PUSCH supported,
twoDifferentTPC-Loop-PUCCH supported
},
mac-ParametersXDD-Diff {
skipUplinkTxDynamic supported,
logicalChannelSR-DelayTimer supported,
longDRX-Cycle supported,
shortDRX-Cycle supported,
multipleSR-Configurations supported,
multipleConfiguredGrants supported
},
measAndMobParametersXDD-Diff {
intraAndInterF-MeasAndReport supported,
eventA-MeasAndReport supported
}
},
fr1-Add-UE-NR-Capabilities {（FR1添加UE能力）
phy-ParametersFRX-Diff {
dummy1 '00'B,
twoFL-DMRS '00'B,
dummy2 '00'B,
dummy3 '00'B,
supportedDMRS-TypeDL type1,
supportedDMRS-TypeUL type1,
semiOpenLoopCSI supported,
csi-ReportWithoutPMI supported,
csi-ReportWithoutCQI supported,
onePortsPTRS '00'B,
twoPUCCH-F0-2-ConsecSymbols supported,
pucch-F2-WithFH supported,
pucch-F3-WithFH supported,
pucch-F4-WithFH supported,
mux-SR-HARQ-ACK-CSI-PUCCH-MultiPerSlot supported,
uci-CodeBlockSegmentation supported,
onePUCCH-LongAndShortFormat supported,
twoPUCCH-AnyOthersInSlot supported,
intraSlotFreqHopping-PUSCH supported,
pusch-LBRM supported,
pdcch-BlindDetectionCA 4,
tpc-PUSCH-RNTI supported,
tpc-PUCCH-RNTI supported,
tpc-SRS-RNTI supported,
absoluteTPC-Command supported,
twoDifferentTPC-Loop-PUSCH supported,
twoDifferentTPC-Loop-PUCCH supported,
pusch-HalfPi-BPSK supported,
pucch-F3-4-HalfPi-BPSK supported,
almostContiguousCP-OFDM-UL supported,
sp-CSI-RS supported,
tdd-MultiDL-UL-SwitchPerSlot supported,
multipleCORESET supported
},
measAndMobParametersFRX-Diff {
ss-SINR-Meas supported,
csi-RSRP-AndRSRQ-MeasWithSSB supported,
csi-RSRP-AndRSRQ-MeasWithoutSSB supported,
csi-SINR-Meas supported,
csi-RS-RLM supported
}
},
featureSets {
featureSetsDownlink {
{
featureSetListPerDownlinkCC {
1
},
intraBandFreqSeparationDL c2,
crossCarrierScheduling-OtherSCS supported,
scellWithoutSSB supported,
csi-RS-MeasSCellWithoutSSB supported,
dummy1 supported,
type1-3-CSS supported,
pdcch-MonitoringAnyOccasions withoutDCI-Gap,
dummy2 supported,
ue-SpecificUL-DL-Assignment supported,
searchSpaceSharingCA-DL supported,
timeDurationForQCL {
scs-60kHz s7,
scs-120kHz s14
},
pdsch-ProcessingType1-DifferentTB-PerSlot {
scs-15kHz upto2,
scs-30kHz upto2,
scs-60kHz upto2,
scs-120kHz upto2
},
dummy3 {
maxNumberNZP-CSI-RS-PerCC 32,
maxNumberPortsAcrossNZP-CSI-RS-PerCC p256,
maxNumberCS-IM-PerCC n16,
maxNumberSimultaneousCSI-RS-ActBWP-AllCC n64,
totalNumberPortsSimultaneousCSI-RS-ActBWP-AllCC p256
},
dummy4 {
{
maxNumberTxPortsPerResource p32,
maxNumberResources 64,
totalNumberTxPorts 256,
supportedCodebookMode mode1AndMode2,
maxNumberCSI-RS-PerResourceSet 8
}
},
dummy5 {
{
maxNumberTxPortsPerResource p32,
maxNumberResources 64,
totalNumberTxPorts 256,
supportedCodebookMode both,
supportedNumberPanels n4,
maxNumberCSI-RS-PerResourceSet 8
}
}
}
},
featureSetsDownlinkPerCC {
{
supportedSubcarrierSpacingDL kHz30,
supportedBandwidthDL fr1: mhz100,
channelBW-90mhz supported,
maxNumberMIMO-LayersPDSCH fourLayers,
supportedModulationOrderDL qam256
}
},
featureSetsUplink {
{
featureSetListPerUplinkCC {
1
},
crossCarrierScheduling-OtherSCS supported,
searchSpaceSharingCA-UL supported,
supportedSRS-Resources {
maxNumberAperiodicSRS-PerBWP n1,
maxNumberAperiodicSRS-PerBWP-PerSlot 1,
maxNumberPeriodicSRS-PerBWP n1,
maxNumberPeriodicSRS-PerBWP-PerSlot 1,
maxNumberSemiPersitentSRS-PerBWP n1,
maxNumberSP-SRS-PerBWP-PerSlot 1,
maxNumberSRS-Ports-PerResource n1
},
twoPUCCH-Group supported,
dummy2 {
maxNumberPeriodicCSI-ReportPerBWP 1,
maxNumberAperiodicCSI-ReportPerBWP 1,
maxNumberSemiPersistentCSI-ReportPerBWP 1,
simultaneousCSI-ReportsAllCC 8
}
}
},
featureSetsUplinkPerCC {
{
supportedSubcarrierSpacingUL kHz30,
supportedBandwidthUL fr1: mhz100,
channelBW-90mhz supported,
mimo-CB-PUSCH {
maxNumberMIMO-LayersCB-PUSCH oneLayer,
maxNumberSRS-ResourcePerSet 1
},
maxNumberMIMO-LayersNonCB-PUSCH oneLayer,
supportedModulationOrderUL qam64
} } } } },
{
rat-Type eutra-nr,（4G频段参数）
ueCapabilityRAT-Container {
measAndMobParametersMRDC {
measAndMobParametersMRDC-Common {
independentGapConfig supported
},
measAndMobParametersMRDC-XDD-Diff {
sftd-MeasPSCell supported,
sftd-MeasNR-Cell supported
}
},
rf-ParametersMRDC {（双连接参数）
supportedBandCombinationList {
{
bandList {
eutra: {
bandEUTRA 8,
ca-BandwidthClassDL-EUTRA a,
ca-BandwidthClassUL-EUTRA a
},
nr: {
bandNR 78,
ca-BandwidthClassDL-NR a,
ca-BandwidthClassUL-NR a
}
},
featureSetCombination 0,
mrdc-Parameters {
simultaneousRxTxInterBandENDC supported,
asyncIntraBandENDC supported
},
supportedBandwidthCombinationSet '0'B
},
{
bandList {
eutra: {
bandEUTRA 1,
ca-BandwidthClassDL-EUTRA a,
ca-BandwidthClassUL-EUTRA a
},
eutra: {
bandEUTRA 3,
ca-BandwidthClassDL-EUTRA a,
ca-BandwidthClassUL-EUTRA a
},
eutra: {
bandEUTRA 5,
ca-BandwidthClassDL-EUTRA a,
ca-BandwidthClassUL-EUTRA a
},
eutra: {
bandEUTRA 7,
ca-BandwidthClassDL-EUTRA a,
ca-BandwidthClassUL-EUTRA a
},
eutra: {
bandEUTRA 7,
ca-BandwidthClassDL-EUTRA a,
ca-BandwidthClassUL-EUTRA a
},
nr: {
bandNR 78,
ca-BandwidthClassDL-NR a,
ca-BandwidthClassUL-NR a
}
},
featureSetCombination 1,
mrdc-Parameters {
simultaneousRxTxInterBandENDC supported,
asyncIntraBandENDC supported
},
supportedBandwidthCombinationSet '0'B
},
{
bandList {
eutra: {
bandEUTRA 5,
ca-BandwidthClassDL-EUTRA a,
ca-BandwidthClassUL-EUTRA a
},
nr: {
bandNR 78,
ca-BandwidthClassDL-NR a,
ca-BandwidthClassUL-NR a
}
},
featureSetCombination 3,
mrdc-Parameters {
simultaneousRxTxInterBandENDC supported,
asyncIntraBandENDC supported
},
supportedBandwidthCombinationSet '0'B
},
{
bandList {
eutra: {
bandEUTRA 1,
ca-BandwidthClassDL-EUTRA a,
ca-BandwidthClassUL-EUTRA a
},
nr: {
bandNR 78,
ca-BandwidthClassDL-NR a,
ca-BandwidthClassUL-NR a
}
},
featureSetCombination 3,
mrdc-Parameters {
simultaneousRxTxInterBandENDC supported,
asyncIntraBandENDC supported
},
supportedBandwidthCombinationSet '0'B
},
{
bandList {
eutra: {
bandEUTRA 3,
ca-BandwidthClassDL-EUTRA a,
ca-BandwidthClassUL-EUTRA a
},
nr: {
bandNR 78,
ca-BandwidthClassDL-NR a,
ca-BandwidthClassUL-NR a
}
},
featureSetCombination 2,
mrdc-Parameters {
simultaneousRxTxInterBandENDC supported,
asyncIntraBandENDC supported
},
supportedBandwidthCombinationSet '0'B
},
{
bandList {
eutra: {
bandEUTRA 7,
ca-BandwidthClassDL-EUTRA a,
ca-BandwidthClassUL-EUTRA a
},
nr: {
bandNR 78,
ca-BandwidthClassDL-NR a,
ca-BandwidthClassUL-NR a
}
},
featureSetCombination 2,
mrdc-Parameters {
simultaneousRxTxInterBandENDC supported,
asyncIntraBandENDC supported
},
supportedBandwidthCombinationSet '0'B
}
}
},
generalParametersMRDC {（双连接SRB3支持）
srb3 supported
},
fdd-Add-UE-MRDC-Capabilities {
generalParametersMRDC-XDD-Diff {
srb3 supported
}
},
tdd-Add-UE-MRDC-Capabilities {
measAndMobParametersMRDC-XDD-Diff {
sftd-MeasPSCell supported,
sftd-MeasNR-Cell supported
},
generalParametersMRDC-XDD-Diff {
srb3 supported
}
},
fr1-Add-UE-MRDC-Capabilities {
measAndMobParametersMRDC-FRX-Diff {
simultaneousRxDataSSB-DiffNumerology supported
}
},
featureSetCombinations {
{ {
eutra: {
downlinkSetEUTRA 2,
uplinkSetEUTRA 2
} }, {
nr: {
downlinkSetNR 1,
uplinkSetNR 1
} } },
UE能力的详尽介绍在春天工作室是公众号中有详细解析，链接如下：[url]https://mp.weixin.qq.com/s/x9Dd9Tya3jSl-pl_gIHgCw[/url]
原文来自：[url]http://www.sharetechnote.com[/url]
整理：kangguoying20201114
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