4.16 LTE MDT Trace Record Content

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

4.16.1 Trace Record for Immediate MDT measurements

The following table contains the Trace record description for LTE 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.

TS 32.422 [3]

TS 37.320 [32]

RSRQs

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

TS 32.422 [3]

TS 37.320 [32]

SINRs

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

TS 32.422 [3]

TS 36.214 [38]

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 and RSRQs attributes.

TS 36.331 [28]

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]

M2

PH distr

Distribution of the power headroom samples reported by the UE during the collectionperiod. The distribution is the interval of [40; -23] dB.

TS 36.213 [33]

TS 32.422 [3]

TS 37.320 [32]

M3

RIP distr

Distribution of the measured Received Interference Power samples obtained during the collection period. The distribution is in the interval of [-126, -75] dBm.

TS 36.133 [34]

TS 32.422 [3]

TS 37.320 [32]

M4

UL volumes

List of measured UL volumes in bytes per E-RAB. One value per E-RAB.

TS 32.422 [3]

TS 37.320 [32]

DL volumes

List of measured DL volumes in bytes per E-RAB. One value per E-RAB.

TS 32.422 [3]

TS 37.320 [32]

QCIs

List of QCIs of the E-RABs for which the volume and throughput measurements apply. The order of QCI 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]

M5

UL Thp Time

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

TS 36.314 [31]

TS 32.422 [3]

TS 37.320 [32]

UL Thp Volume

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

TS 36.314 [31]

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 36.314 [31]

TS 32.422 [3]

TS 37.320 [32]

DL Thp Times

List of throughput times used for calculation of the downlink throughput (per E-RAB). One value per E-RAB.

TS 36.314 [31]

TS 32.422 [3]

TS 37.320 [32]

DL Thp Volumes

List of Throughput volumes used for calculation of the downlink throughput (per E-RAB). One value per E-RAB.

TS 36.314 [31]

TS 32.422 [3]

TS 37.320 [32]

QCIs

List of QCIs of the E-RABs for which the volume and throughput measurements apply. The order of QCI values in the list should be the same as the corresponding measured values in the DL Thp Volumes and DL Thp Times attributes.

TS 32.422 [3]

TS 37.320 [32]

DL Thp Time UE

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

TS 36.314 [31]

TS 32.422 [3]

TS 37.320 [32]

DL Thp Volume UE

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

TS 36.314 [31]

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 36.314 [31]

TS 32.422 [3]

TS 37.320 [32]

M6

DL packet delay per QCI

L2 Packet Delay for OAM performance observability or for QoS verification of MDT (per QCI).

TS 36.314 [31]
TS 37.320 [32]

UL packet delay per QCI

Excess Packet Delay Ratio in Layer PDCP for QoS verification of MDT (per QCI).

TS 36.314 [31]

TS 37.320 [32]

M7

DL packet loss rate per QCI

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

TS 36.314 [31]
TS 37.320 [32]

UL packet loss rate per QCI

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

TS 36.314 [31]

TS 37.320 [32]

M8

RSSI (WLAN, Bluetooth®)

RSSI measurement by UE.

TS 36.331 [28]

TS 37.320 [32]

M9

RTT (WLAN)

RTT measurement by UE.

TS 36.331 [28]

TS 37.320 [32]

4.16.2 Trace Record for UE location information

The following table contains the Trace record description for LTE 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 36.331

UE rx-tx

The UE reported UE rx-tx time difference measurement. The attribute is used to record E-CID positioning measurements, if available.

TS 32.422

TS 37.320

TS 36.331

eNB rx-tx

The eNB measured eNB rx-tx time difference. The attribute is used to record E-CID positioning measurements, if available.

TS 32.422

TS 37.320

TS 36.214

AoA

The eNB measured angle of arrival measurement. The attribute is used to record E-CID positioning measurements, if available.

TS 32.422

TS 37.320

TS 36.214