Radio Resource Utilization (RRU) metrics provide Distributed Unit (DU) measurements between gNodeB and the User Equipment (UE). This metric also provides operators the load information of the radio network during the measurement time period.

Example of sample RRU metrics. 
 {
    "type": "Kafka-Collector",
    "instance": "KC-1",
    "timestamp": "2021-11-11T23:04:24.044000Z",
    "metricType": "RRU",
    "domain": "5G",
    "sub-domain": "vRAN",
    "properties": {
      "dataSource": "100.126.144.164:9999",
      "deviceType": "du",
      "deviceName": "du-851008008",
      "entityType": "du",
      "entityName": "du-6cdcbd97b5-8rrpt"
    },
    "metrics": {
      "RRU_PrbTotDl": 0,
      "RRU_PrbTotUl": 0,
      "Active_Time_Dl": 10,
      "Active_Time_Ul": 20,
      "RRU_MacTotVolumeDl_SNSSAI": 0,
      "RRU_MacTotVolumeUl_SNSSAI": 0,
      "RRU_PhyTotVolumeDl": 0,
      "RRU_PhyTotVolumeUl": 0,
    },
    "tags": {
      "CUCPID": "851008000",
      "RUID": "851008213",
      "DUID": "851008008",
      "CellClusterId": "111",
      "kubernetes_namespace": "sdlas00082b-ns-mv-du-851008-001"
    }
  },
The following table lists the JSON definitions.
JSON Description Units
RRU.PrbTotDl

Indicates the total Downlink (DL) Physical Resource Block (PRB) usage for all traffic.

Percentage %
RRU.PrbTotUl

Indicates the total Uplink (UL) PRB usage for all traffic.

Percentage %
Active_Time_Dl

Counts the time duration in msec that the gNb uses to transmit bits to its serving UEs during the measurement period.

Millisecond
Active_Time_Ul

Counts the time duration in msec that the gNB uses to receive bits from its serving UEs during the measurement period.

Millisecond
RRU_MacTotVolumeDl_SNSSAI

Indicates the total data volume transmitted in DL per S-NSSAI.

Kilobits
RRU_MacTotVolumeUl_SNSSAI

Indicates the total data volume received in UL per S-NSSAI.

Kilobits
RRU_PhyTotVolumeDl

Indicates the total Physical Layer (PHY) data volume transmitted in DL per cell.

Kilobits
RRU_PhyTotVolumeUl

Indicates the total PHY data volume received in UL per cell.

Kilobits