5G优化案例：5G-NR-CSI报告配置协议解析和实际应用

NRCSI报告配置协议解析和实际应用XXXXXX目 录一．概述 3二．CSI-ResourceConfig 4三．CSI-ReportConfig 4reportConfigType 6Periodic和semiPersistentOnPUCCH 7semiPersistentOnPUSCH 8aperiodic 8四．TriggerStateList 8CSI-SemiPersistentOnPUSCH-TriggerStateList 9CSI-AperiodicTriggerStateList 9五．CSI报告触发 10PUCCH上半续CSI报告 10PUSCH上半续CSI报告 11PUSCH上非期CSI报告 12六．配置框架 136.1CSI告 146.1PUSCH上半续周期CSI告发 14七．厂家现网版本实现能 15网本现能可配参数 15网口发数 16CSI-ResourceConfig 16CSI-ReportConfig 17网能配存的疑问 20八．总结 20九．参考资料 21NRCSI报告配置协议解析和实际应用XX【摘要】NRCSIgNBUENZP-CSI-RS、CSI-IM，UEgNBCQI、PMI、CRISSBRICSIperiodic/semiPersistent/periodic/semiPersistentOnPUCCH/semiPersistentOnPSCCH/aperiodic，两者CSI-ReportConfigCSI-ResourceConfigCSITriggerStateCSI-ReportConfig；CSIDCIMAC/DCIMACCECSI-ReportConfig3GPP38F40CSICSICSICSI-RSNRCSI-RS【关键字】CSI-ResourceConfig、CSI-ReportConfig、TriggerStateList、periodic、semiPersistentOnPUCCH、semiPersistentOnPUSCH、aperiodic【业务类别】5G一．概述38.2145.2.1NRCSIChannelQualityIndicator(CQI)、precodingmatrixindicatorPMI)、CSI-RSresourceindicator(CRI)SS/PBCHBlockResourceindicator(SSBRI)、layerindicator(LI)、rankindicator(RIL1-RSRP7UEN≥1CSI-ReportConfig,M≥1CSI-ResourceConfig,12triggerstates列表(即CSI-AperiodicTriggerStateList和CSI-SemiPersistentOnPUSCH-TriggerStateList).CSI-AperiodicTriggerStateListtriggerstate关联的CSI-ReportConfigCSI-SemiPersistentOnPUSCH-TriggerStateList里的每个triggerstate1CSI-ReportConfig：第2~4章分别讨论CSI-ResourceConfig、CSI-ReportConfig和TriggerStateList。二．CSI-ResourceConfigCSI-ResourceConfig定义一个或者多个NZP-CSI-RS-ResourceSet, CSI-IM-ResouceStCI-S-Resorceetbwp-Isi-SB-sourcSetreoureTyeperodi,emiPesisent,piodic：三．CSI-ReportConfigCSI-ReportConfigIE里的参数配置较复杂：下文提到了以下几个字段：reportConfigIdresourcesForChannelMeasurementcsi-IM-ResourcesForInterferencenzp-CSI-RS-ResourcesForInterferencereportConfigTypeCSI-ReportPeriodicityAndOffsetpucch-CSI-ResourceListreportSlotConfigreportSlotOffsetListreportQuantity、reportFreqConfigurationcqi-TableCSIreportConfigTypereportConfigType定义了4种报告类型：periodicsemiPersistentOnPUCCHsemiPersistentOnPUSCHaperiodicCSIReportCSIResource5.2.1.4-1CSI-RSResource配置，CSIReportCSI-RSRRCCSI-RS/38.2145.2.1.5.2CSI-RS38.2145.2.1.5.1总结上表的CSIReport和CSIResource配置约束：CSI-RSCSICSI-RSCSICSI-RSCSICSI报告触发方式：CSI/CSIPUCCH，UEactivationcommandMACCE；在PUSCH，UEDCICSIDCIPeriodicsemiPersistentOnPUCCHCSI-ReportPeriodicityAndOffsetPUCCHCSIslot：PUCCH-CSI-Resource定义CSI报告需要的PUCCH资源：semiPersistentOnPUSCHperiodicsemiPersistentOnPUCCHsemiPersistentOnPUSCHreportSlotConfigreportSlotOffsetListp0alphaPUSCHreportSlotOffsetListPUSCHCSI1pusch-TimeDomainAllocationListpusch-TimeDomainAllocationDCITimedomainresourceassignment01pusch-TimeDomainAllocation12pusch-TimeDomainAllocationDCInreportSlotOffsetListY，1PUSCHCSIn+Y2n+Y+P（PreportSlotConfig：aperiodic非周期CSI报告用DCI触发，定义了时隙偏置reportSlotOffsetList，和semiPersistentOnPUSCHPUSCH-Config下的pusch-TimeDomainAllocationListpusch-TimeDomainAllocation四．TriggerStateList√4.1CSI-SemiPersistentOnPUSCH-TriggerStateListCSI-SemiPersistentOnPUSCH-TriggerStateList定义CSI-SemiPersistentOnPUSCH-TriggerStatemaxNrOfSemiPersistentPUSCH-Triggers=6464CSI-SemiPersistentOnPUSCH-TriggerState；CSI-SemiPersistentOnPUSCH-TriggerState1CSI-ReportConfigId。4.2CSI-AperiodicTriggerStateListCSI-AperiodicTriggerStateListCSI-AperiodicTriggerState；CSI-AperiodicTriggerStateCSI-associatedReportConfigInfoList，其中maxrofepotCofigrAperodiTriger等于6AeridicrigrState16CSI-AssociatedReportConfigInfo；CSI-associatedReportConfigInfoListCSI-AssociatedReportConfigInfo每个CSI-AssociatedReportConfigInfoCSI-ReportConfigId，resourcesForChannel，包含：nzp-CSI-RS-ResourceSetmaxNrofNZP-CSI-RS-ResourceSetsPerConfig=16个；csi-SSB-ResourceSetmaxNrofCSI-SSB-ResourceSetsPerConfig1csi-IM-ResourcesForInterferenceResourceSetsPerConfig=16个；，最大maxNrofCSI-IM-nzp-CSI-RS-ResourcesForInterference，最大maxNrofNZP-CSI-RS-ResourceSetsPerConfig=16个。五．CSI报告触发PUCCHCSIPUCCHCSIMACCEMACCEPDSCHHAQ/AKnPUCHSI𝑛+𝑁◻◻◻◻◻,µ+1激活：激活PUCCHCSIMACSPCSIreportingonPUCCHActivation/DeactivationMACCE，LCID=55：固定6◻指示cs-ReortonfgTodModLstSI活/◻CS-ReortonfgIseiPesisntOnPCCH，𝑆◻对应第二低的CSI-ReportConfigId，以此类推：RSriRSringCllDBPIDRRRRS3S2S1S0Oct2PUSCHCSIPUSCH上的半持续CSI报告基于DCI激活/去激活。CSI-SemiPersistentOnPUSCH-TriggerStateListtriggerstateDCI0_1CSIrequest（CSIMeaonfigIE下的epotTrgerSie：而每个CSI-SemiPersistentOnPUSCH-TriggerState有1个关联的CSI-ReportConfigId（见.1CI1个SI-portCnfiId。CSI-SemiPersistentOnPUSCH-TriggerStateList里triggerstate646CSIrequestDCI0激活/去激活半持续CSI的DCI，CRC由sp-csi-RNTI加扰：并且Table5.2.1.5.2-1、Table5.2.1.5.2-2定义了DCI0_1部分字段取值特征：PUSCHCSIPUSCHCSIPUSCHCSIDCI/去激活；CSI-AperiodicTriggerStateListtriggerstateDCI0_1但是CSI-AperiodicTriggerStateList里triggerstate最大个数maxNrOfCSI-AperiodicTriggers128，CSIrequest38.2145.2.1.5.1有如下描述：如果trggerstte2◻◻−（◻◻是CSIreqestCSIreqest如果rigertate2◻◻−UEMACCEDCI2◻◻−1triggerstateMACCEPDSCHHARQ/ACKnDCI2◻◻−1个trggerstate𝑛+𝑁◻◻◻◻◻,µ1效。简单说就是CSIrequest不够一一映射的情况下，要通过MACCE先选择能被映射的triggerState，该MACCE称为AperiodicCSITriggerStateSubselectionMACCE，LCID=54：◻指示CSI-aeridicrigerSteLitTrggerStateCSI-aperiodicTriggerStateList1Trigger◻置1rigertateCSIreuest...

t1RriRrigllIDPDT7T6T5T4T3T2T1T0T15T14T13T12T11T10T9T8t376543218DCI◻置1TrggerState1TriggerStateDCI=1；2TriggerStateDCI；3TriggerStateDCI=2；63TriggerState。六．配置框架6.1CSI报告CSI-ReportConfig 下 定 义 resourcesForChannelMeasurement 、 csi-IM-ResourcesForInterferencenzp-CSI-RS-ResourcesForInterferenceCSI-ResourceConfigId38.2145.2.1.2而CSI-ResourceConfignzp-CSI-RS-ResourceSetIdcsi-IM-ResourceSetId，NZP-CSI-RS-ResourceNRCSI-RSCSISIcsi-IM-ResourceSetnzp-CSI-RS-ResourceSetcsi-IM-ResourcesForInterfecsi-IM-ResourceSetnzp-CSI-RS-ResourceSetcsi-IM-ResourcesForInterferencenzp-CSI-RS-ResourcesForInterferenceresourcesForChannelMeasurementCSI-ReportConfigCSI-ResourceConfigIdCSI-ResourceConfigIdCSI-ResourceConfigId对于PUSCH上的半持续/非周期CSI报告触发，会定义CSI-SemiPersistentOnPUSCH-TriggerStateList、CSI-AperiodicTriggerStateList，分别有各自的CSI-ResourceConfigIdCSI-ReportConfigCSI-AperiodicTriggerStateListnzp-CSI-RS-ResourceSet、CSI-IM-ResourceSet。DCI触发某个trigger，也就激活了某个CSI-ReportConfig，以及对应的nzp-CSI-RS-ResourceSet、CSI-IM-ResourceSet里的nzp-CSI-RS-Resource、CSI-IM-Resource测量。nzp-CSI-RS-ResourceSetresourcesForChannnzp-CSI-RS-ResourceSetresourcesForChannelMeasurementcsi-IM-ResourcesForInterferenceCSI-ReportConfignzp-CSI-RS-ResourcesForInterferenceCSI-ResourceConfigIdCSI-ResourceConfigIdCSI-SemiPersistentOnPUSCH-TriggerStateCSI-SemiPersistentOnPUSCH-TriggerStateListCSI-ResourceConfigIdDCIDCI触发某个triggerNZP-CSI-RS-ResourceSetassociatedReportConfigInfoassociatedReportConfigInfoListcsi-IM-ResourceSetCSI-AperiodicTriggerStateCSI-AperiodicTriggerStateListCSI-IM-ResourceSetCSI-ResourceConfigIdCSI-ResourceConfigId七．厂家现网版本实现功能现网版本实现功能和可配置参数HW5GRAN2.1CSI-RSPERIODIC_CSI_SWITCHCSICSI-RS不能同时配置：38.214Table5.2.1.4-1Semi-PersistentCSI-RSCSICSI-RSCSI-RSCSI现网空口下发参数NSARRCCSI-ResourceConfigRRC信令如下：csi-ResourceConfigId=2csi-ResourceConfigId=3csi-ResourceConfigId=4nzp-CSI-RS-ResourceSetNZP-CSI-RS-ResourceSetId=1/NZP-CSI-RS-ResourceSetId=0csi-SSB-ResourceSet///csi-IM-ResourceSet/CSI-IM-ResourceSetId=0/bwp-Id111resourceTypeperiodicperiodicperiodic3csi-ResourceConfig，2NZP-CSI-RS-ResourceSet（NZP-CSI-RS-ResouceStIdcsi-ResourceConfigId=2csi-ResourceConfigId=3csi-ResourceConfigId=4nzp-CSI-RS-ResourceSetNZP-CSI-RS-ResourceSetId=1/NZP-CSI-RS-ResourceSetId=0csi-SSB-ResourceSet///csi-IM-ResourceSet/CSI-IM-ResourceSetId=0/bwp-Id111resourceTypeperiodicperiodicperiodicCSI-ReportConfigRRC信令如下：定了1个CSI-ReportConfigId=0，且resourcesForChannelMeasurement是CSI-ResourceConfigId=2 （ 关 联 NZP-CSI-RS-ResourceSetId=1 ）， csi-IM-ResoucesorItereree是CS-ResurcConigd3CI-I-ReourSetId0：CSI-ReportConfigId=0resourcesForChannelMeasurementCSI-ResourceConfigId=2csi-IM-ResourcesForInterferenceCSI-ResourceConfigId=3nzp-CSI-RS-ResourcesForInterference/参数NZP-CSI-RS-ResourceSetId=1NZP-CSI-RS-ResourceId=4frequencyDomainAllocationrow4=001nrofPortsp4firstOFDMSymbolInTimeDomain13cdm-Typefd-CDM2density1startingRB0《NR参数NZP-CSI-RS-ResourceSetId=1NZP-CSI-RS-ResourceId=4frequencyDomainAllocationrow4=001nrofPortsp4firstOFDMSymbolInTimeDomain13cdm-Typefd-CDM2density1startingRB0nrofRBs276PeriodicityAndOffsetslot80/0RE映射如下：参数CSI-IM-ResourceSetId=0CSI-IM-ResourceId=0subcarrierLocation-p11symbolLocation-p112nrofRBs0startingRB276PeriodicityAndOffsetslot80/0《NRCSI-RS参数CSI-IM-ResourceSetId=0CSI-IM-ResourceId=0subcarrierLocation-p11symbolLocation-p112nrofRBs0startingRB276PeriodicityAndOffsetslot80/0RE映射如下：结合CSI-ResourceConfig、CSI-ReportConfig的内容看，csi-ResourceConfigId=4（NZP-CSI-