Reporting Granularity - Subband vs Wideband.timeRestrictionForInterferenceMeasurements.How to configure Report Setting /Structure of CSI-ReportConfig.Component of CSI and Hierarchies in CSI Framework.In this page, I will describe on high level view on CSI report mechanismĪnd I would need to create many separate pages to describe the details like sequence generation and resource element mapping of those referenec signals. RRC Configuration to configure CSI Report : CSI-RS-ResourceMapping, CSI-IM-Resource,CSI-SemiPersistentOnPUSCH-TriggerStateList,CSI-AperiodicTriggerStateList,CSI-ResourceConfig,CSI-ReportConfigĪt high level, the concept of CSI Report (Channel State Information) in NR is similar to CSI Report in LTE, but the details especially on the resource application of various reference signal and scheduing of the report is extremely complex than LTE.
ReportQuantity in RRC : cri-RI-PMI-CQI, cri-RI-LI-PMI-CQI, cri-RI-i1, cri-RI-i1-CQI, cri-RI-CQI, cri-RSRP, ssb-index-RSRP, cri-SINR, ssb-index-SINR.Periodicity in Time Domain : Periodic, Aperiodic, Semipersistant.Frequency Domain Granularity for CSI measurement : Wideband and Subband.Types of CSI in 5G are : CQI,PMI,CRI,SSBRI,LI,RI,L1-RSRP.What is it for ? It is for UE to measure Radio Channel State and report it to network.
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