4.34 NR MDT Trace Record Content

32.4233GPPRelease 16Subscriber and equipment traceTelecommunication managementTrace data definition and managementTS

4.34.1 Trace Record for Immediate MDT measurements

The following table contains the Trace record description for NR immediate MDT measurements.
The trace record is the same for management based activation and for signalling based activation.

MDT measurement
name

Measurement
attribute name(s)

Measurement attribute definition

Notes

M1

RSRPs

List of RSRP values received in RRC measurement report. One value per measured cell. For beam level granularity, one value per measured beam.

TS 32.422 [3]

TS 37.320 [32]

TS 38.331 [21]

RSRQs

List of RSRQ values received in RRC measurement report. One value per measured cell. For beam level granularity, one value per measured beam.

TS 32.422 [3]

TS 37.320 [32]

TS 38.331 [21]

PCIs

List of Physical Cell Identity of measured cells. The order of PCI values in the list should be the same as the corresponding measured values in the RSRPs, RSRQs and SINRs attributes.

TS 38.331 [21]

SINRs

List of SINR values received in RRC measurement report. One value per measured cell.

TS 38.215 [42]

TS 32.422 [3]

TS 37.320 [32]

Triggering event

Event that triggered the M1 measurement report, used only in case of RRM configured measurements (events A1, A2, A3, A4, A5, A6, B1 or B2)

TS 32.422 [3]

TS 37.320 [32]

UE location

UE positioning information and sensors data

TS 38.331 [21]

M2

PH distr

Distribution of the power headroom samples reported by the UE during the collection period.

TS 38.213 [37]

TS 32.422 [3]

TS 37.320 [32]

M3 (Not supported in rel. 16)

M4

UL volumes

List of measured UL volumes in bytes per DRB. One value per DRB per UE.

TS 32.422 [3]

TS 37.320 [32]

TS 28.552 [36]

TS 32.425 [39]

DL volumes

List of measured DL volumes in bytes per DRB. One value per DRB per UE.

TS 32.422 [3]

TS 37.320 [32]

TS 28.552 [36]

QoS level (QCI in option 3 or mapped 5QI in other options).

List of QoS levels of the DRBs for which the volume and throughput measurements apply. The order of QoS values in the list should be the same as the corresponding measured values in the UL volumes and DL volumes attributes.

TS 32.422 [3]

TS 37.320 [32]

TS 28.552 [36]

TS 32.425 [39]

TS 32.425 [39]

M5

UL Thp Time

Throughput time used for calculation of the uplink throughput (per UE).

TS 38.314 [35]

TS 32.422 [3]

TS 37.320 [32]

UL Thp Volume

Throughput volume used for calculation of the uplink throughput (per UE).

TS 38.314 [35]

TS 32.422 [3]

TS 37.320 [32]

UL LastTTI Volume

Volume transmitted in the last TTI and excluded from throughput calculation in the uplink.

TS 38.314 [35]

TS 32.422 [3]

TS 37.320 [32]

DL Thp Times

List of throughput times used for calculation of the downlink throughput per QoS level (per QCI in option 3 or mapped 5QI in other options). One value per QoS level.

TS 38.314 [35]

TS 32.422 [3]

TS 37.320 [32]

TS 32.425 [39]

DL Thp Volumes

List of throughput times used for calculation of the downlink throughput per DRB per UE. One value per DRB.

TS 38.314 [35]

TS 32.422 [3]

TS 37.320 [32]

TS 32.425 [39]

QoS level (QCI in option 3 or mapped 5QI in other options).

List of QoS levels of the DRBs for which the volume and throughput measurements apply. The order of QoS values in the list should be the same as the corresponding measured values in the UL volumes and DL volumes attributes.

TS 32.422 [3]

TS 37.320 [32]

TS 28.552 [36]

TS 32.425 [39]

DL Thp Time UE

Throughput time used for calculation of the downlink throughput (per UE).

TS 38.314 [35]

TS 32.422 [3]

TS 37.320 [32]

DL Thp Volume UE

Throughput volume used for calculation of the downlink throughput (per UE).

TS 38.314 [35]

TS 32.422 [3]

TS 37.320 [32]

DL LastTTI Volume

Volume transmitted in the last TTI and excluded from the throughput calculation in the downlink (per UE).

TS 38.314 [35]

TS 32.422 [3]

TS 37.320 [32]

M6

DL packet delay per QoS level (per QCI in option 3 or mapped 5QI in other options).

L2 Packet Delay for OAM performance observability or for QoS verification of MDT per DRB per UE.

TS 37.320 [32]

TS 28.552 [36]

TS 32.425 [39]

UL packet delay per QoS level (per QCI in option 3 or mapped 5QI in other options).

Excess Packet Delay Ratio in Layer PDCP for QoS verification of MDT per DRB per UE.

TS 38.314 [W]

TS 37.320 [32]

TS 28.552 [36]

TS 32.425 [39]

M7

DL packet loss rate per QoS level (per QCI in option 3 or mapped 5QI in other options).

packets that are lost at Uu transmission, for OAM performance observability per DRB per UE.

TS 37.320 [32]

TS 28.552 [36]

TS 32.425 [39]

UL packet loss rate per QoS level (per QCI in option 3 or mapped 5QI in other options).

packets that are lost in the UL, for OAM performance observability or QoS verification of MDT per DRB per UE.

TS 38.314 [W]

TS 37.320 [32]

TS 28.552 [36]

TS 32.425 [39]

M8

RSSI (WLAN, Bluetooth®)

RSSI measurement by UE.

TS 37.320 [32]

M9

RTT (WLAN)

RTT measurement by UE.

TS 37.320 [32]

4.34.2 Trace Record for UE location information

The following table contains the Trace record description for NR UE location information. The trace record is the same for management based activation and for signalling based activation.

MDT measurement
name

Measurement
attribute name(s)

Measurement attribute definition

Notes

UE location

GNSS pos

GNSS based coordinates, including (latitude, longitude), as reported by the UE. The IE can be any of ellipsoidPoint, ellipsoidPointWithUncertaintyCircle, ellipsoidPointWithUncertaintyEllipse, ellipsoidPointWithAltitude, ellipsoidPointWithAltitudeAndUncertaintyEllipsoid, ellipsoidArc, polygon depending on the IE present in the RRC message.

TS 32.422 [3]

TS 37.320 [32]

TS 38.305 [44]

UE rx-tx

The UE reported UE rx-tx time difference measurement. If available.

TS 32.422 [3]

TS 37.320 [32]

TS 38.305 [44]

gNB rx-tx

The gNB measured gNB rx-tx time difference.If available.

TS 32.422 [3]

TS 37.320 [32]

TS 38.305 [44]

AoA

The gNB measured angle of arrival measurement. If available.

TS 32.422 [3]

TS 37.320 [32]

TS 38.305 [44]

Sensor information

The UE reported sensor data (such as barometric pressure and/or motion). If available: a gyroscope, an accelerometer and a barometer data.

TS 32.422 [3]

TS 37.320 [32]

TS 38.305 [44]