9.1 Message Functional Definition and Content

38.4553GPPNG-RANNR Positioning Protocol A (NRPPa)Release 17TS

9.1.1 Messages for Location Information Transfer Procedures

9.1.1.1 E-CID MEASUREMENT INITIATION REQUEST

This message is sent by LMF to initiate E-CID measurements.

Direction: LMF → NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

LMF UE Measurement ID

M

INTEGER (1..15 ,…, 16..256)

YES

reject

Report Characteristics

M

ENUMERATED (OnDemand, Periodic,…)

YES

reject

Measurement Periodicity

C-ifReportCharacteristicsPeriodic

ENUMERATED (120ms, 240ms, 480ms, 640ms, 1024ms, 2048ms, 5120ms, 10240ms, 1min, 6min, 12min, 30min, 60min,…, 20480ms, 40960ms, extended)

The codepoint 60min applies only for ng-eNB.

The codepoint “extended” is not applicable.

This IE is not applicable to NR Angle of Arrival.

YES

reject

Measurement Quantities

1

EACH

reject

>Measurement Quantities Item

1..<maxnoMeas>

>>Measurement Quantities Value

M

ENUMERATED (Cell-ID, Angle of Arrival, Timing Advance Type 1, Timing Advance Type 2, RSRP, RSRQ,…, SS-RSRP, SS-RSRQ, CSI-RSRP, CSI-RSRQ, NR Angle of Arrival, NR Timing Advance)

Other-RAT Measurement Quantities

0

EACH

ignore

>Other-RAT Measurement Quantities Item

0 .. <maxnoMeas>

>>Other-RAT Measurement Quantities Value

M

ENUMERATED (GERAN, UTRAN,…, NR, EUTRA)

WLAN Measurement Quantities

0

EACH

ignore

>WLAN Measurement Quantities Item

0 .. <maxnoMeas>

>>WLAN Measurement Quantities Value

M

ENUMERATED (WLAN, …)

Measurement Periodicity NR-AoA

C- ifReportCharacteristicsPeriodicAndMeasQuantityItemAoA

ENUMERATED (160ms, 320ms,

640ms,

1280ms, 2560ms,

5120ms,

10240ms, 20480ms,

40960ms,

61440ms,

81920ms, 368640ms, 737280ms, 1843200ms, …)

YES

reject

Range bound

Explanation

maxnoMeas

Maximum no. of measured quantities that can be configured and reported with one message. Value is 64.

Condition

Explanation

ifReportCharacteristicsPeriodic

This IE shall be present if the Report Characteristics IE is set to the value "Periodic".

ifReportCharacteristicsPeriodicAndMeasQuantityItemAoA

This IE shall be present if the Report Characteristics IE is set to the value "Periodic" and the Measurement Quantities Item IE is set to the value "NR Angle of Arrival".

9.1.1.2 E-CID MEASUREMENT INITIATION RESPONSE

This message is sent by NG-RAN node to indicate that the requested E-CID measurement is successfully initiated.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

LMF UE Measurement ID

M

INTEGER (1..15,…, 16..256)

YES

reject

RAN UE Measurement ID

M

INTEGER (1..15,…, 16..256)

YES

reject

E-CID Measurement Result

O

9.2.5

YES

ignore

Criticality Diagnostics

O

9.2.2

YES

ignore

Cell Portion ID

O

9.2.12

YES

ignore

Other-RAT Measurement Result

O

9.2.13

YES

ignore

WLAN Measurement Result

O

9.2.14

YES

ignore

9.1.1.3 E-CID MEASUREMENT INITIATION FAILURE

This message is sent by NG-RAN node to indicate that the requested E-CID measurement cannot be initiated.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

LMF UE Measurement ID

M

INTEGER (1..15,…, 16..256)

YES

reject

Cause

M

9.2.1

YES

ignore

Criticality Diagnostics

O

9.2.2

YES

ignore

9.1.1.4 E-CID MEASUREMENT FAILURE INDICATION

This message is sent by NG-RAN node to indicate that the previously requested E-CID measurement can no longer be reported.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

ignore

NRPPa Transaction ID

M

9.2.4

LMF UE Measurement ID

M

INTEGER (1..15,…, 16..256)

YES

reject

RAN UE Measurement ID

M

INTEGER (1..15,…, 16..256)

YES

reject

Cause

M

9.2.1

YES

ignore

9.1.1.5 E-CID MEASUREMENT REPORT

This message is sent by NG-RAN node to report the results of the requested E-CID measurement.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

ignore

NRPPa Transaction ID

M

9.2.4

LMF UE Measurement ID

M

INTEGER (1..15,…, 16..256)

YES

reject

RAN UE Measurement ID

M

INTEGER (1..15,…, 16..256)

YES

reject

E-CID Measurement Result

M

9.2.5

YES

ignore

Cell Portion ID

O

9.2.12

YES

ignore

9.1.1.6 E-CID MEASUREMENT TERMINATION COMMAND

This message is sent by the LMF to terminate the requested E-CID measurement.

Direction: LMF → NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

ignore

NRPPa Transaction ID

M

9.2.4

LMF UE Measurement ID

M

INTEGER (1..15,…, 16..256)

YES

reject

RAN UE Measurement ID

M

INTEGER (1..15,…, 16..256)

YES

reject

9.1.1.7 OTDOA INFORMATION REQUEST

This message is sent by LMF to request OTDOA information.

Direction: LMF → NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

OTDOA Information Type

1

EACH

reject

>OTDOA Information Type Item

1 .. <maxnoOTDOAtypes>

>>OTDOA Information Item

M

ENUMERATED (pci, cellid, tac, earfcn, prsBandwidth, prsConfigIndex, cpLength, noDlFrames, noAntennaPorts, sFNInitTime, nG-RANAccessPointPosition, prsmutingconfiguration, prsid, tpid, tpType, crsCPlength, dlBandwidth, multipleprsConfigurationsperCell, prsOccasionGroup, prsFrequencyHoppingConfiguration, …,

tddConfig)

Range bound

Explanation

maxnoOTDOAtypes

Maximum no. of OTDOA information types that can be requested and reported with one message. Value is 63.

9.1.1.8 OTDOA INFORMATION RESPONSE

This message is sent by NG-RAN node to provide OTDOA information.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

OTDOA Cells

1 .. <maxCellinRANnode>

Served cells/TPs that broadcast PRS. May be used to signal multiple PRS configurations per cell/TPs (up to 3 are supported in this release).

GLOBAL

ignore

>OTDOA Cell Information

M

9.2.15

Criticality Diagnostics

O

9.2.2

YES

ignore

Range bound

Explanation

maxCellinRANnode

Maximum no. cells that can be served by a RAN Node. Value is 16384.

9.1.1.9 OTDOA INFORMATION FAILURE

This message is sent by NG-RAN node to indicate that the OTDOA information cannot be provided.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

Cause

M

9.2.1

YES

ignore

Criticality Diagnostics

O

9.2.2

YES

ignore

9.1.1.10 POSITIONING INFORMATION REQUEST

This message is sent by the LMF to request positioning information.

Direction: LMF → NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

Requested SRS Transmission Characteristics

O

9.2.27

YES

ignore

UE Reporting Information

O

9.2.70

YES

ignore

UE TEG Information Request

O

ENUMERATED(onDemand, periodic, stop, …)

YES

ignore

UE TEG Reporting Periodicity

C-ifUeTegInfoReqPeriodic

ENUMERATED (160ms, 320ms, 1280ms, 2560ms, 61440ms, 81920ms, 368640ms, 737280ms, …)

YES

reject

Condition

Explanation

ifUeTegInfoReqPeriodic

This IE shall be present if the UE TEG Information Request IE is set to the value "periodic".

9.1.1.11 POSITIONING INFORMATION RESPONSE

This message is sent by the NG-RAN node to provide positioning information.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

SRS Configuration

O

9.2.28

YES

ignore

SFN Initialisation Time

O

Relative Time 1900

9.2.36

YES

ignore

Criticality Diagnostics

O

9.2.2

YES

ignore

UE Tx TEG Association List

O

9.2.78

YES

ignore

9.1.1.12 POSITIONING INFORMATION FAILURE

This message is sent by the NG-RAN node to indicate that the positioning information cannot be provided.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

Cause

M

9.2.1

YES

ignore

Criticality Diagnostics

O

9.2.2

YES

ignore

9.1.1.13 POSITIONING INFORMATION UPDATE

This message is sent by the NG-RAN node to indicate that a change in the SRS configuration or UE Tx TEG association has occurred.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

ignore

NRPPa Transaction ID

M

9.2.4

SRS Configuration

O

9.2.28

YES

ignore

SFN Initialisation Time

O

Relative Time 1900

9.2.36

YES

ignore

UE Tx TEG Association List

O

9.2.78

YES

ignore

9.1.1.14 TRP INFORMATION REQUEST

This message is sent by an LMF to request information for TRPs hosted by an NG-RAN node.

Direction: LMF → NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

TRP List

0 ..1

YES

ignore

>TRP Item

1 .. <maxnoTRPs>

EACH

ignore

>>TRP ID

M

9.2.24

TRP Information Type List

1

>TRP Information Type Item

1 .. <maxnoTRPInfoTypes>

EACH

reject

>>TRP Information Type Item

M

ENUMERATED (nr pci, ng-ran cgi, nr arfcn, prs config, ssb config, sfn init time, spatial direction info, geo-coordinates, …, trp type, on-demand prs, trp tx teg, beam antenna info)

Range bound

Explanation

maxnoTRPs

Maximum no. of TRPs in a NG-RAN node. Value is 65535

maxnoTRPInfoTypes

Maximum no of TRP information types that can be requested and reported with one message. Value is 64.

9.1.1.15 TRP INFORMATION RESPONSE

This message is sent by an NG-RAN node to convey TRP information to an LMF.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

TRP Information List

1

YES

ignore

>TRP Information Item

M

1 .. <maxnoTRPs>

EACH

ignore

>>TRP Information

M

9.2.25

Criticality Diagnostics

O

9.2.2

YES

ignore

Range bound

Explanation

maxnoTRPs

Maximum no. of TRPs in a NG-RAN node. Value is 65535.

9.1.1.16 TRP INFORMATION FAILURE

This message is sent by an NG-RAN node to indicate that the requested TRP information cannot be provided to an LMF.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

Cause

M

9.2.1

YES

ignore

Criticality Diagnostics

O

9.2.2

YES

ignore

9.1.1.17 POSITIONING ACTIVATION REQUEST

This message is sent by the LMF to cause the NG RAN node to activate/trigger UL SRS transmission by the UE.

Direction: LMF → NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

CHOICE SRS type

M

YES

reject

>Semi-persistent

>>SRS Resource Set ID

M

9.2.33

>>SRS Spatial Relation

O

Spatial Relation Information

9.2.34

This IE is ignored if the Spatial Relation Information per SRS Resource IE is present.

YES

ignore

>>Spatial Relation Information per SRS Resource

O

9.2.60

YES

ignore

>Aperiodic

>>Aperiodic

M

ENUMERATED(true,…)

>>SRS Resource Trigger

O

9.2.35

Activation Time

O

Relative Time 1900

9.2.36

Indicates the start time when the SRS activation is requested

YES

ignore

9.1.1.18 POSITIONING ACTIVATION RESPONSE

This message is sent by NG-RAN node to confirm successful UL SRS activation in the UE.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

Criticality Diagnostics

O

9.2.2

YES

ignore

System Frame Number

O

INTEGER(0..1023)

YES

ignore

Slot Number

O

INTEGER(0..79)

YES

ignore

9.1.1.19 POSITIONING ACTIVATION FAILURE

This message is sent by NG-RAN node to indicate that activation of UL SRS transmission in the UE was unsuccessful.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

Cause

M

9.2.1

YES

ignore

Criticality Diagnostics

O

9.2.2

YES

ignore

9.1.1.20 POSITIONING DEACTIVATION

This message is sent by the LMF to cause the NG RAN node to deactivate UL SRS transmission or release all the transmission by the UE.

Direction: LMF → NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

ignore

NRPPa Transaction ID

M

9.2.4

CHOICE Abort Transmission

M

YES

Ignore

>Deactivate SRS Resource Set

>>SRS Resource Set ID

M

9.2.33

>Release ALL

NULL

the NG-RAN node configures UE to stop transmitting SRS for the positioning purpose

9.1.1.21 PRS CONFIGURATION REQUEST

This message is sent by the LMF to request the NG-RAN node to configure or update PRS transmission.

Direction: LMF → NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

PRS Configuration Request Type

M

ENUMERATED(configure, off, …)

YES

reject

PRS TRP List

1

YES

ignore

>PRS TRP Item

1 .. <maxnoTRPs>

EACH

ignore

>>TRP ID

M

9.2.24

>>Requested DL PRS Transmission Characteristics

C-ifConf

9.2.61

>>PRS Transmission Off Information

C-ifOff

9.2.64

Range bound

Explanation

maxnoTRPs

Maximum no. of TRPs in a NG-RAN node. Value is 65535

Condition

Explanation

ifConf

This IE shall be present if the PRS Configuration Request Type IE is set to the value "configure".

ifOff

This IE shall be present if the PRS Configuration Request Type IE is set to the value "off".

9.1.1.22 PRS CONFIGURATION RESPONSE

This message is sent by the NG-RAN node to acknowledge configuring or updating the PRS transmission.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

PRS Transmission TRP List

0..1

YES

ignore

>PRS Transmission TRP Item

1 .. <maxnoTRPs>

EACH

ignore

>>TRP ID

M

9.2.24

>>PRS Configuration

M

9.2.44

Criticality Diagnostics

O

9.2.2

YES

ignore

Range bound

Explanation

maxnoTRPs

Maximum no. of TRPs in a NG-RAN node. Value is 65535

9.1.1.23 PRS CONFIGURATION FAILURE

This message is sent by the NG-RAN node to indicate that it cannot configure any PRS transmission.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

Cause

M

9.2.1

YES

ignore

Criticality Diagnostics

O

9.2.2

YES

ignore

9.1.1.24 MEASUREMENT PRECONFIGURATION REQUIRED

This message is sent by the LMF to provide the PRS configuration information of multiple TRPs to the NG-RAN node and request to configure measurement gap or PRS processing window of the UE.

Direction: LMF → NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

TRP PRS Information List

1

YES

ignore

>TRP PRS Information Item

1 .. <maxnoPRSTRPs>

EACH

ignore

>>TRP ID

M

9.2.24

>>NR PCI

M

INTEGER (0..1007)

>>NR CGI

O

9.2.9

>>PRS Configuration

M

9.2.44

Range bound

Explanation

maxnoPRSTRPs

Maximum no. of TRPs for on-demand PRS in a NG-RAN node. Value is 256.

9.1.1.25 MEASUREMENT PRECONFIGURATION CONFIRM

This message is sent by the NG-RAN node to the LMF to confirm successful configuration of measurement gap or PRS processing window of the UE.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

Preconfiguration Result

M

BIT STRING (SIZE(8))

Indicates what has been preconfigured in the UE.
first bit: measurement gaps

second bit: PRS processing windows.

Other bits reserved for future use. Value ‘1’ indicates ‘has been preconfigured’, Value ‘0’ indicates ‘not preconfigured’.

YES

ignore

Criticality Diagnostics

O

9.2.2

YES

ignore

9.1.1.26 MEASUREMENT PRECONFIGURATION REFUSE

This message is sent by the NG-RAN node to indicate that configuration of measurement gap or PRS processing window of the UE was unsuccessful.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

Cause

M

9.2.1

YES

ignore

Criticality Diagnostics

O

9.2.2

YES

ignore

9.1.1.27 MEASUREMENT ACTIVATION

This message is sent by the LMF to request the NG-RAN node to activate or deactivate the preconfigured measurement gap or PRS processing window for the UE.

Direction: LMF → NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

ignore

NRPPa Transaction ID

M

9.2.4

Request Type

M

ENUMERATED (activate, deactivate, …)

YES

reject

PRS Measurement Info List

0..1

YES

Ignore

>PRS Measurement Info Item

1 .. < maxFreqLayers>

>>Point A

M

INTEGER (0..3279165)

>>MeasPRS Periodicity

M

ENUMERATED (ms20, ms40, ms80, ms160, …)

Measurement gap periodicity in units of ms

>>MeasPRS Offset

M

INTEGER (0..159, …)

Measurement gap offset in units of subframes

>>Measurement PRS Length

M

ENUMERATED {ms1dot5, ms3, ms3dot5, ms4, ms5dot5, ms6, ms10, ms20}

Range bound

Explanation

maxFreqLayers

Maximum no. of frequency layers. Value is 4

9.1.2 Messages for Management Procedures

9.1.2.1 ERROR INDICATION

This message is used to indicate that some error has been detected in the NG-RAN node or in the LMF.

Direction: LMF → NG-RAN node and NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

ignore

NRPPa Transaction ID

M

9.2.4

Cause

O

9.2.1

YES

ignore

Criticality Diagnostics

O

9.2.2

YES

ignore

9.1.3 Messages for Assistance Information Transfer Procedures

9.1.3.1 ASSISTANCE INFORMATION CONTROL

This message is sent by the LMF to transfer assistance information.

Direction: LMF → NG-RAN Node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

Assistance Information

O

9.2.19

YES

reject

Broadcast

O

ENUMERATED (start, stop, …)

YES

reject

Positioning Broadcast Cells

O

9.2.59

The cell(s) that are requested to broadcast posSIB(s) according to the Assistance Information IE.

YES

reject

9.1.3.2 ASSISTANCE INFORMATION FEEDBACK

This message is sent by the NG-RAN Node to give feedback on assistance information broadcasting.

Direction: NG-RAN Node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

Assistance Information Failure List

O

9.2.23

YES

reject

Positioning Broadcast Cells

O

9.2.59

The cells associated to the feedback provided in the Assistance Information Failure List IE.

YES

reject

Criticality Diagnostics

O

9.2.2

YES

ignore

9.1.4 Messages for Measurement Information Transfer Procedures

9.1.4.1 MEASUREMENT REQUEST

This message is sent by the LMF to request the NG-RAN node to configure a positioning measurement.

Direction: LMF → NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

LMF Measurement ID

M

INTEGER (1..65536, …)

YES

reject

TRP Measurement Request List

1

YES

reject

>TRP Measurement Request Item

1..<maxnoofMeasTRPs>

EACH

reject

>>TRP ID

M

9.2.24

>>Search Window Information

O

9.2.26

>>Cell ID

O

NR CGI

9.2.9

The Cell ID of the TRP identified by the TRP ID IE.

YES

ignore

>>AoA Search Window Information

O

UL-AoA Assistance Information 9.2.66

YES

ignore

>>Number of TRP Rx TEGs

O

ENUMERATED (2, 3, 4, 6, 8, …)

YES

ignore

>>Number of TRP RxTx TEGs

O

ENUMERATED (2, 3, 4, 6, 8, …)

YES

ignore

Report Characteristics

M

ENUMERATED (OnDemand, Periodic, …)

YES

reject

Measurement Periodicity

C-ifReportCharacteristicsPeriodic

ENUMERATED (120ms, 240ms, 480ms, 640ms, 1024ms, 2048ms, 5120ms, 10240ms, 1min, 6min, 12min, 30min, 60min,…, 20480ms, 40960ms, extended)

The codepoint 120ms, 240ms, 480ms, 1024ms, 2048ms, 1min, 6min, 12min, 30min, and 60min are not applicable

YES

reject

TRP Measurement Quantities

1

YES

reject

>TRP Measurement Quantities Item

1 .. <maxnoPosMeas>

EACH

reject

>TRP Measurement Type

M

ENUMERATED (gNB-RxTxTimeDiff, UL-SRS-RSRP, UL-AoA, UL-RTOA,…, Multiple UL-AoA, UL SRS-RSRPP)

>Timing Reporting Granularity Factor

O

INTEGER (0..5)

Value (0..5) corresponds to (k0..k5)

TS 38.133 [16]

SFN initialisation Time

O

Relative Time 1900

9.2.36

If this IE is not present, the TRP may assume that the value is same as its own SFN initialisation time.

YES

ignore

SRS Configuration

O

9.2.28

YES

ignore

Measurement Beam Information Request

O

ENUMERATED (true,…)

This IE is ignored when the Measurement Characteristics Request Indicator IE is included.

YES

ignore

System Frame Number

O

INTEGER(0..1023)

YES

ignore

Slot Number

O

INTEGER(0..79)

YES

ignore

Measurement Periodicity Extended

C-ifMeasPerExt

ENUMERATED (160ms, 320ms, 1280ms, 2560ms, 61440ms, 81920ms, 368640ms, 737280ms, 1843200ms, …)

YES

reject

Response Time

O

9.2.68

This IE is ignored when the Report Characteristics IE is set to “periodic”.

YES

ignore

Measurement Characteristics Request Indicator

O

9.2.81

YES

ignore

Measurement Time Occasion

O

ENUMERATED (o1, o4, …)

YES

ignore

Measurement Amount

O

ENUMERATED (0, 1, 2, 4, 8, 16, 32, 64)

This IE is ignored if the Report Characteristics IE is set to ‘OnDemand’.

Value 0 represents an infinite number of periodic reporting.

YES

ignore

Condition

Explanation

ifReportCharacteristicsPeriodic

This IE shall be present if the Report Characteristics IE is set to the value "Periodic".

ifMeasPerExt

This IE shall be present if the Measurement Periodicity IE is set to the value "extended".

Range bound

Explanation

maxnoPosMeas

Maximum no. of measured quantities that can be configured and reported with one positioning measurement message. Value is 16384.

maxnoofMeasTRPs

Maximum no. of TRPs that can be included within one message. Value is 64.

9.1.4.2 MEASUREMENT RESPONSE

This message is sent by the NG-RAN node to report positioning measurements for the target UE.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

LMF Measurement ID

M

INTEGER (1..65536, …)

YES

reject

RAN Measurement ID

M

INTEGER (1..65536, …)

YES

reject

TRP Measurement Response List

0..1

YES

reject

>TRP Measurement Response Item

1..<maxnoofMeasTRPs>

EACH

reject

>>TRP ID

M

9.2.24

>>TRP Measurement Result

M

9.2.37

>>Cell ID

O

NR CGI

9.2.9

The Cell ID of the TRP identified by the TRP ID IE.

YES

ignore

Criticality Diagnostics

O

9.2.2

YES

ignore

Range bound

Explanation

maxnoofMeasTRPs

Maximum no. of TRPs that can be included within one message. Value is 64.

9.1.4.3 MEASUREMENT FAILURE

This message is sent by the NG-RAN node to report measurement failure.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

LMF Measurement ID

M

INTEGER (1..65536, …)

YES

reject

Cause

M

9.2.1

YES

ignore

Criticality Diagnostics

O

9.2.2

YES

ignore

9.1.4.4 MEASUREMENT REPORT

This message is sent by the NG-RAN node to report positioning measurements for the target UE.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

LMF Measurement ID

M

INTEGER (1..65536, …)

YES

reject

RAN Measurement ID

M

INTEGER (1..65536, …)

YES

reject

TRP Measurement Response List

1

YES

reject

>TRP Measurement Response Item

1..<maxnoofMeasTRPs>

EACH

reject

>>TRP ID

M

9.2.24

>>TRP Measurement Result

M

9.2.37

>>Cell ID

O

NR CGI

9.2.9

The Cell ID of the TRP identified by the TRP ID IE.

YES

ignore

Range bound

Explanation

maxnoofMeasTRPs

Maximum no. of TRPs that can be included within one message. Value is 64.

9.1.4.5 MEASUREMENT UPDATE

This message is sent by the LMF to update a previously configured measurement.

Direction: LMF → NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

ignore

NRPPa Transaction ID

M

9.2.4

LMF Measurement ID

M

INTEGER (1..65536, …)

YES

reject

RAN Measurement ID

M

INTEGER (1..65536, …)

YES

reject

SRS Configuration

O

9.2.28

YES

ignore

TRP Measurement Update List

0..1

YES

reject

>TRP Measurement Update Item

1..<maxnoofMeasTRPs>

EACH

reject

>>TRP ID

M

9.2.24

>>AoA Search Window Information

O

UL-AoA Assistance Information 9.2.66

YES

ignore

>>Number of TRP Rx TEGs

O

ENUMERATED (2, 3, 4, 6, 8, …)

YES

ignore

>>Number of TRP RxTx TEGs

O

ENUMERATED (2, 3, 4, 6, 8, …)

YES

ignore

Measurement Characteristics Request Indicator

O

9.2.81

YES

ignore

Measurement Time Occasion

O

ENUMERATED (o1, o4, …)

YES

ignore

Range bound

Explanation

maxnoofMeasTRPs

Maximum no. of TRPs that can be included within one message. Value is 64.

9.1.4.6 MEASUREMENT ABORT

This message is sent by the LMF to request the NG-RAN node to abort a measurement.

Direction: LMF → NG-RAN node.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

LMF Measurement ID

M

INTEGER (1..65536, …)

YES

reject

RAN Measurement ID

M

INTEGER (1..65536, …)

YES

reject

9.1.4.7 MEASUREMENT FAILURE INDICATION

This message is sent by the NG-RAN node to indicate that the previously requested measurements can no longer be reported.

Direction: NG-RAN node → LMF.

IE/Group Name

Presence

Range

IE type and reference

Semantics description

Criticality

Assigned Criticality

Message Type

M

9.2.3

YES

reject

NRPPa Transaction ID

M

9.2.4

LMF Measurement ID

M

INTEGER (1..65536, …)

YES

reject

RAN Measurement ID

M

INTEGER (1..65536, …)

YES

reject

Cause

M

9.2.1

YES

ignore