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Content for  TS 38.331  Word version:  18.2.0

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5.5.4 Measurement report triggering  5.5.4.1 General  5.5.4.2 Event A1 (Serving becomes better than threshold)  5.5.4.3 Event A2 (Serving becomes worse than threshold)  5.5.4.4 Event A3 (Neighbour becomes offset better than SpCell)  5.5.4.5 Event A4 (Neighbour becomes better than threshold)  5.5.4.6 Event A5 (SpCell becomes worse than threshold1 and neighbour becomes better than threshold2)  5.5.4.7 Event A6 (Neighbour becomes offset better than SCell)  5.5.4.8 Event B1 (Inter RAT neighbour becomes better than threshold)  5.5.4.9 Event B2 (PCell becomes worse than threshold1 and inter RAT neighbour becomes better than threshold2)  5.5.4.10 Event I1 (Interference becomes higher than threshold)  5.5.4.11 Event C1 (The NR sidelink channel busy ratio is above a threshold)  5.5.4.12 Event C2 (The NR sidelink channel busy ratio is below a threshold) 
...

 

5.5.4  Measurement report triggering  p. 247

5.5.4.1  General  p. 247

If AS security has been activated successfully, the UE shall:
1 >
for each measId included in the measIdList within VarMeasConfig:
2 >
if the corresponding reportConfig includes a reportType set to eventTriggered or periodical:
3 >
if the corresponding measObject concerns NR:
4 >
if the corresponding reportConfig includes measRSSI-ReportConfig:
5 >
consider the resource indicated by the rmtc-Config on the associated frequency to be applicable;
4 >
if the eventA1 or eventA2 is configured in the corresponding reportConfig:
5 >
consider only the serving cell to be applicable;
4 >
if the eventA3 or eventA5 or eventA3H1 or eventA3H2 or eventA5H1 or eventA5H2 is configured in the corresponding reportConfig:
5 >
if a serving cell is associated with a measObjectNR and neighbours are associated with another measObjectNR, consider any serving cell associated with the other measObjectNR to be a neighbouring cell as well;
4 >
if the eventX2 is configured in the corresponding reportConfig:
5 >
consider only the serving L2 U2N Relay UE to be applicable;
4 >
if corresponding reportConfig includes reportType set to periodical; or
4 >
for measurement events other than eventA1, eventA2, eventD1, eventX2, eventH1 or eventH2:
5 >
if useAllowedCellList is set to true:
6 >
consider any neighbouring cell detected based on parameters in the associated measObjectNR to be applicable when the concerned cell is included in the allowedCellsToAddModList defined within the VarMeasConfig for this measId;
5 >
else:
6 >
consider any neighbouring cell detected based on parameters in the associated measObjectNR to be applicable when the concerned cell is not included in the excludedCellsToAddModList defined within the VarMeasConfig for this measId;
4 >
if the eventH1 or eventH2 is configured in the corresponding reportConfig:
5 >
for all the events of the same type for which simulMultiTriggerSingleMeasReport is set to true and the entry condition applicable for the event has been satisfied:
6 >
consider only the event with the smallest value between the altitude of the UE and the corresponding altitude threshold to be applicable;
4 >
else if the eventA3H1 or eventA3H2 or eventA4H1 or eventA4H2 or eventA5H1 or eventA5H2 is configured in the corresponding reportConfig:
5 >
for all the events of the same type associated with the same measObjectNR for which simulMultiTriggerSingleMeasReport is set to true and the entry conditions applicable for the event has been satisfied:
6 >
consider only the event with the smallest value between the altitude of the UE and the corresponding altitude threshold to be applicable;
3 >
else if the corresponding measObject concerns E-UTRA:
4 >
if eventB1 or eventB2 is configured in the corresponding reportConfig:
5 >
consider a serving cell, if any, on the associated E-UTRA frequency as neighbour cell;
4 >
consider any neighbouring cell detected on the associated frequency to be applicable when the concerned cell is not included in the excludedCellsToAddModListEUTRAN defined within the VarMeasConfig for this measId;
3 >
else if the corresponding measObject concerns UTRA-FDD:
4 >
if eventB1-UTRA-FDD or eventB2-UTRA-FDD is configured in the corresponding reportConfig; or
4 >
if corresponding reportConfig includes reportType set to periodical:
5 >
consider a neighbouring cell on the associated frequency to be applicable when the concerned cell is included in the cellsToAddModList defined within the VarMeasConfig for this measId;
3 >
else if the corresponding measObject concerns L2 U2N Relay UE:
4 >
if eventY1-Relay or eventY2-Relay or eventZ1-Relay is configured in the corresponding reportConfig; or
4 >
if corresponding reportConfig includes reportType set to periodical:
5 >
consider any L2 U2N Relay UE fulfilling upper layer criteria detected on the associated frequency to be applicable for this measId;
2 >
else if the corresponding reportConfig includes a reportType set to reportCGI:
3 >
consider the cell detected on the associated measObject which has a physical cell identity matching the value of the cellForWhichToReportCGI included in the corresponding reportConfig within the VarMeasConfig to be applicable;
2 >
else if the corresponding reportConfig includes a reportType set to reportSFTD:
3 >
if the corresponding measObject concerns NR:
4 >
if the reportSFTD-Meas is set to true:
5 >
consider the NR PSCell to be applicable;
4 >
else if the reportSFTD-NeighMeas is included:
5 >
if cellsForWhichToReportSFTD is configured in the corresponding reportConfig:
6 >
consider any NR neighbouring cell detected on the associated measObjectNR which has a physical cell identity that is included in the cellsForWhichToReportSFTD to be applicable;
5 >
else:
6 >
consider up to 3 strongest NR neighbouring cells detected based on parameters in the associated measObjectNR to be applicable when the concerned cells are not included in the excludedCellsToAddModList defined within the VarMeasConfig for this measId;
3 >
else if the corresponding measObject concerns E-UTRA:
4 >
if the reportSFTD-Meas is set to true:
5 >
consider the E-UTRA PSCell to be applicable;
2 >
else if the corresponding reportConfig includes a reportType set to cli-Periodical or cli-EventTriggered:
3 >
consider all CLI measurement resources included in the corresponding measObject to be applicable;
2 >
else if the corresponding reportConfig includes a reportType set to rxTxPeriodical:
3 >
consider all Rx-Tx time difference measurement resources included in the corresponding measObject to be applicable;
2 >
if the corresponding reportConfig concerns the reporting for NR sidelink communication/discovery (i.e. reportConfigNR-SL):
3 >
consider the transmission resource pools indicated by the tx-PoolMeasToAddModList defined within the VarMeasConfig for this measId to be applicable;
2 >
if the reportType is set to eventTriggered, and if the corresponding reportConfig does not include numberOfTriggeringCells, and if the entry condition applicable for this event, i.e. the event corresponding with the eventId of the corresponding reportConfig within VarMeasConfig, is fulfilled for one or more applicable cells for all measurements after layer 3 filtering taken during timeToTrigger defined for this event within the VarMeasConfig, while the VarMeasReportList does not include a measurement reporting entry for this measId (a first cell triggers the event):
3 >
include a measurement reporting entry within the VarMeasReportList for this measId;
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
3 >
include the concerned cell(s) in the cellsTriggeredList defined within the VarMeasReportList for this measId;
3 >
if useT312 is set to true in reportConfig for this event:
4 >
if T310 for the corresponding SpCell is running; and
4 >
if T312 is not running for corresponding SpCell:
5 >
start timer T312 for the corresponding SpCell with the value of T312 configured in the corresponding measObjectNR;
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
2 >
else if the reportType is set to eventTriggered, and if the corresponding reportConfig does not include numberOfTriggeringCells, and if the entry condition applicable for this event, i.e. the event corresponding with the eventId of the corresponding reportConfig within VarMeasConfig, is fulfilled for one or more applicable cells not included in the cellsTriggeredList for all measurements after layer 3 filtering taken during timeToTrigger defined for this event within the VarMeasConfig (a subsequent cell triggers the event):
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
3 >
include the concerned cell(s) in the cellsTriggeredList defined within the VarMeasReportList for this measId;
3 >
if useT312 is set to true in reportConfig for this event:
4 >
if T310 for the corresponding SpCell is running; and
4 >
if T312 is not running for corresponding SpCell:
5 >
start timer T312 for the corresponding SpCell with the value of T312 configured in the corresponding measObjectNR;
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
2 >
if the reportType is set to eventTriggered, and if the corresponding reportConfig includes numberOfTriggeringCells, and if the entry condition applicable for this event, i.e. the event corresponding with the eventId of the corresponding reportConfig within VarMeasConfig, is fulfilled for one or more applicable cells for all measurements after layer 3 filtering taken during timeToTrigger defined for this event within the VarMeasConfig:
3 >
if the VarMeasReportList does not include a measurement reporting entry for this measId (a first cell triggers the event):
4 >
include a measurement reporting entry within the VarMeasReportList for this measId;
3 >
if the number of cell(s) in the cellsTriggeredList is larger than or equal to numberOfTriggeringCells:
4 >
include the concerned cell(s) in the cellsTriggeredList defined within the VarMeasReportList for this measId;
3 >
else:
4 >
include the concerned cell(s) in the cellsTriggeredList defined within the VarMeasReportList for this measId;
4 >
if the number of cell(s) in the cellsTriggeredList is larger than or equal to numberOfTriggeringCells:
5 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
5 >
initiate the measurement reporting procedure, as specified in 5.5.5;
2 >
if the reportType is set to eventTriggered and if the leaving condition applicable for this event is fulfilled for one or more of the cells included in the cellsTriggeredList defined within the VarMeasReportList for this measId for all measurements after layer 3 filtering taken during timeToTrigger defined within the VarMeasConfig for this event:
3 >
remove the concerned cell(s) in the cellsTriggeredList defined within the VarMeasReportList for this measId;
3 >
if reportOnLeave is set to true for the corresponding reporting configuration:
4 >
if the corresponding reportConfig does not include numberOfTriggeringCells; or
4 >
if the corresponding reportConfig includes numberOfTriggeringCells and a measurement report was previously sent to the network for at least one of the concerned cell(s):
5 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
3 >
if the cellsTriggeredList defined within the VarMeasReportList for this measId is empty:
4 >
remove the measurement reporting entry within the VarMeasReportList for this measId;
4 >
stop the periodical reporting timer for this measId, if running;
2 >
if the reportType is set to eventTriggered and if the entry condition applicable for this event, i.e. the event corresponding with the eventId of the corresponding reportConfig within VarMeasConfig, is fulfilled for one or more applicable L2 U2N Relay UEs for all measurements after layer 3 filtering taken during timeToTrigger defined for this event within the VarMeasConfig, while the VarMeasReportList does not include a measurement reporting entry for this measId (a first L2 U2N Relay UE triggers the event):
3 >
include a measurement reporting entry within the VarMeasReportList for this measId;
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
3 >
include the concerned L2 U2N Relay UE(s) in the relaysTriggeredList defined within the VarMeasReportList for this measId;
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
2 >
else if the reportType is set to eventTriggered and if the entry condition applicable for this event, i.e. the event corresponding with the eventId of the corresponding reportConfig within VarMeasConfig, is fulfilled for one or more applicable L2 U2N Relay UEs not included in the relaysTriggeredList for all measurements after layer 3 filtering taken during timeToTrigger defined for this event within the VarMeasConfig (a subsequent L2 U2N Relay UE triggers the event):
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
3 >
include the concerned L2 U2N Relay UE(s) in the relaysTriggeredList defined within the VarMeasReportList for this measId;
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
2 >
else if the reportType is set to eventTriggered and if the leaving condition applicable for this event is fulfilled for one or more of the L2 U2N Relay UEs included in the relaysTriggeredList defined within the VarMeasReportList for this measId for all measurements after layer 3 filtering taken during timeToTrigger defined within the VarMeasConfig for this event:
3 >
remove the concerned L2 U2N Relay UE(s) in the relaysTriggeredList defined within the VarMeasReportList for this measId;
3 >
if reportOnLeave is set to true for the corresponding reporting configuration:
4 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
3 >
if the relaysTriggeredList defined within the VarMeasReportList for this measId is empty:
4 >
remove the measurement reporting entry within the VarMeasReportList for this measId;
4 >
stop the periodical reporting timer for this measId, if running;
2 >
else if the reportType is set to eventTriggered and if the entry condition applicable for this event, i.e. the event corresponding with the eventId of the corresponding reportConfig within VarMeasConfig, is fulfilled for one or more applicable transmission resource pools for all measurements taken during timeToTrigger defined for this event within the VarMeasConfig, while the VarMeasReportList does not include an measurement reporting entry for this measId (a first transmission resource pool triggers the event):
3 >
include a measurement reporting entry within the VarMeasReportList for this measId;
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
3 >
include the concerned transmission resource pool(s) in the poolsTriggeredList defined within the VarMeasReportList for this measId;
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
2 >
else if the reportType is set to eventTriggered and if the entry condition applicable for this event, i.e. the event corresponding with the eventId of the corresponding reportConfig within VarMeasConfig, is fulfilled for one or more applicable transmission resource pools not included in the poolsTriggeredList for all measurements taken during timeToTrigger defined for this event within the VarMeasConfig (a subsequent transmission resource pool triggers the event):
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
3 >
include the concerned transmission resource pool(s) in the poolsTriggeredList defined within the VarMeasReportList for this measId;
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
2 >
if the reportType is set to eventTriggered and if the leaving condition applicable for this event is fulfilled for one or more applicable transmission resource pools included in the poolsTriggeredList defined within the VarMeasReportList for this measId for all measurements taken during timeToTrigger defined within the VarMeasConfig for this event:
3 >
remove the concerned transmission resource pool(s) in the poolsTriggeredList defined within the VarMeasReportList for this measId;
3 >
if the poolsTriggeredList defined within the VarMeasReportList for this measId is empty:
4 >
remove the measurement reporting entry within the VarMeasReportList for this measId;
4 >
stop the periodical reporting timer for this measId, if running
2 >
else if the reportType is set to eventTriggered and if the eventId is set to eventD1 or eventH1 or eventH2 and if the entering condition applicable for this event, i.e. the event corresponding with the eventId of the corresponding reportConfig within VarMeasConfig, is fulfilled during timeToTrigger defined for this event within the VarMeasConfig, while the VarMeasReportList does not include a measurement reporting entry for this measId:
3 >
include a measurement reporting entry within the VarMeasReportList for this measId;
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
2 >
else if the reportType is set to eventTriggered and if the eventId is set to eventD1 or eventH1 or eventH2 and if the leaving condition applicable for this event is fulfilled for the associated VarMeasReport within the VarMeasReportList for this measId during timeToTrigger defined within the VarMeasConfig for this event:
3 >
if reportOnLeave is set to true for the corresponding reporting configuration:
4 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
3 >
remove the measurement reporting entry within the VarMeasReportList for this measId;
3 >
stop the periodical reporting timer for this measId, if running;
2 >
if reportType is set to periodical and if a (first) measurement result is available:
3 >
include a measurement reporting entry within the VarMeasReportList for this measId;
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
3 >
if the corresponding reportConfig includes measRSSI-ReportConfig:
4 >
initiate the measurement reporting procedure as specified in clause 5.5.5 immediately when RSSI sample values are reported by the physical layer after the first L1 measurement duration;
3 >
else if the corresponding reportConfig includes the ul-DelayValueConfig:
4 >
initiate the measurement reporting procedure, as specified in clause 5.5.5, immediately after a first measurement result is provided from lower layers of the associated DRB identity;
3 >
else if the corresponding reportConfig includes the ul-ExcessDelayConfig:
4 >
initiate the measurement reporting procedure, as specified in clause 5.5.5, immediately after a first measurement result is provided from lower layers of the associated DRB identity(ies) according to the configured threshold per DRB identity(ies);
3 >
else if the reportAmount exceeds 1:
4 >
initiate the measurement reporting procedure, as specified in clause 5.5.5, immediately after the quantity to be reported becomes available for the NR SpCell or for the serving L2 U2N Relay UE (if the UE is a L2 U2N Remote UE);
3 >
else (i.e. the reportAmount is equal to 1):
4 >
initiate the measurement reporting procedure, as specified in clause 5.5.5, immediately after the quantity to be reported becomes available for the NR SpCell and for the strongest cell among the applicable cells, or for the NR SpCell and for the strongest L2 U2N Relay UEs among the applicable L2 U2N Relay UEs; or initiate the measurement reporting procedure, as specified in clause 5.5.5, immediately after the quantity to be reported becomes available for the serving L2 U2N Relay UE and for the strongest cell among the applicable cells, or for the serving L2 U2N Relay UE and for the strongest L2 U2N Relay UEs among the applicable L2 U2N Relay UEs (if the UE is a L2 U2N Remote UE);
2 >
if, in case the corresponding reportConfig concerns the reporting for NR sidelink communication/discovery, reportType is set to periodical and if a (first) measurement result is available:
3 >
include a measurement reporting entry within the VarMeasReportList for this measId;
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5, immediately after the quantity to be reported becomes available for the NR SpCell and CBR measurement results become available;
2 >
if the reportType is set to cli-EventTriggered and if the entry condition applicable for this event, i.e. the event corresponding with the eventId of the corresponding reportConfig within VarMeasConfig, is fulfilled for one or more applicable CLI measurement resources for all measurements after layer 3 filtering taken during timeToTrigger defined for this event within the VarMeasConfig, while the VarMeasReportList does not include a measurement reporting entry for this measId (a first CLI measurement resource triggers the event):
3 >
include a measurement reporting entry within the VarMeasReportList for this measId;
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
3 >
include the concerned CLI measurement resource(s) in the cli-TriggeredList defined within the VarMeasReportList for this measId;
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
2 >
else if the reportType is set to cli-EventTriggered and if the entry condition applicable for this event, i.e. the event corresponding with the eventId of the corresponding reportConfig within VarMeasConfig, is fulfilled for one or more CLI measurement resources not included in the cli-TriggeredList for all measurements after layer 3 filtering taken during timeToTrigger defined for this event within the VarMeasConfig (a subsequent CLI measurement resource triggers the event):
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
3 >
include the concerned CLI measurement resource(s) in the cli-TriggeredList defined within the VarMeasReportList for this measId;
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
2 >
if the reportType is set to cli-EventTriggered and if the leaving condition applicable for this event is fulfilled for one or more of the CLI measurement resources included in the cli-TriggeredList defined within the VarMeasReportList for this measId for all measurements after layer 3 filtering taken during timeToTrigger defined within the VarMeasConfig for this event:
3 >
remove the concerned CLI measurement resource(s) in the cli-TriggeredList defined within the VarMeasReportList for this measId;
3 >
if reportOnLeave is set to true for the corresponding reporting configuration:
4 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
3 >
if the cli-TriggeredList defined within the VarMeasReportList for this measId is empty:
4 >
remove the measurement reporting entry within the VarMeasReportList for this measId;
4 >
stop the periodical reporting timer for this measId, if running;
2 >
if reportType is set to cli-Periodical and if a (first) measurement result is available:
3 >
include a measurement reporting entry within the VarMeasReportList for this measId;
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5, immediately after the quantity to be reported becomes available for at least one CLI measurement resource;
2 >
if reportType is set to rxTxPeriodical and if a (first) measurement result is available:
3 >
include a measurement reporting entry within the VarMeasReportList for this measId;
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
2 >
upon expiry of the periodical reporting timer for this measId:
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5.
2 >
if the corresponding reportConfig includes a reportType is set to reportSFTD:
3 >
if the corresponding measObject concerns NR:
4 >
if the drx-SFTD-NeighMeas is included:
5 >
if the quantity to be reported becomes available for each requested pair of PCell and NR cell:
6 >
stop timer T322;
6 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
4 >
else
5 >
initiate the measurement reporting procedure, as specified in clause 5.5.5, immediately after the quantity to be reported becomes available for each requested pair of PCell and NR cell or the maximal measurement reporting delay as specified in TS 38.133;
3 >
else if the corresponding measObject concerns E-UTRA:
4 >
initiate the measurement reporting procedure, as specified in clause 5.5.5, immediately after the quantity to be reported becomes available for the pair of PCell and E-UTRA PSCell or the maximal measurement reporting delay as specified in TS 38.133;
2 >
if reportType is set to reportCGI:
3 >
if the UE acquired the SIB1 or SystemInformationBlockType1 for the requested cell; or
3 >
if the UE detects that the requested NR cell is not transmitting SIB1 (see clause 13 of TS 38.213):
4 >
stop timer T321;
4 >
include a measurement reporting entry within the VarMeasReportList for this measId;
4 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
4 >
initiate the measurement reporting procedure, as specified in clause 5.5.5;
2 >
upon the expiry of T321 for this measId:
3 >
include a measurement reporting entry within the VarMeasReportList for this measId;
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5.
2 >
upon the expiry of T322 for this measId:
3 >
initiate the measurement reporting procedure, as specified in clause 5.5.5.
If AS security has been activated successfully and if SCell activation(s) indication is received from lower layer, the UE shall:
1 >
if reportType is set to reportOnActivation for any measId included in the measIdList within VarMeasConfig:
2 >
if the activated SCell(s) fulfills the measurement requirement as specified in TS 38.133:
3 >
include a measurement reporting entry within the VarMeasReportList for this measId:
3 >
set the numberOfReportsSent defined within the VarMeasReportList for this measId to 0;
4 >
initiate the measurement reporting procedure, as specified in clause 5.5.5.
Up

5.5.4.2  Event A1 (Serving becomes better than threshold)  p. 255

The UE shall:
1 >
consider the entering condition for this event to be satisfied when condition A1-1, as specified below, is fulfilled;
1 >
consider the leaving condition for this event to be satisfied when condition A1-2, as specified below, is fulfilled;
1 >
for this measurement, consider the NR serving cell corresponding to the associated measObjectNR associated with this event.
Inequality A1-1 (Entering condition)
Ms - Hys > Thresh
Inequality A1-2 (Leaving condition)
Ms + Hys < Thresh
The variables in the formula are defined as follows:
Ms
is the measurement result of the serving cell, not taking into account any offsets.
Hys
is the hysteresis parameter for this event (i.e. hysteresis as defined within reportConfigNR for this event).
Thresh
is the threshold parameter for this event (i.e. a1-Threshold as defined within reportConfigNR for this event).
Ms
is expressed in dBm in case of RSRP, or in dB in case of RSRQ and RS-SINR.
Hys
is expressed in dB.
Thresh
is expressed in the same unit as Ms.
Up

5.5.4.3  Event A2 (Serving becomes worse than threshold)  p. 256

The UE shall:
1 >
consider the entering condition for this event to be satisfied when condition A2-1, as specified below, is fulfilled;
1 >
consider the leaving condition for this event to be satisfied when condition A2-2, as specified below, is fulfilled;
1 >
for this measurement, consider the serving cell indicated by the measObjectNR associated to this event.
Inequality A2-1 (Entering condition)
Ms + Hys < Thresh
Inequality A2-2 (Leaving condition)
Ms - Hys > Thresh
The variables in the formula are defined as follows:
Ms
is the measurement result of the serving cell, not taking into account any offsets.
Hys
is the hysteresis parameter for this event (i.e. hysteresis as defined within reportConfigNR for this event).
Thresh
is the threshold parameter for this event (i.e. a2-Threshold as defined within reportConfigNR for this event).
Ms
is expressed in dBm in case of RSRP, or in dB in case of RSRQ and RS-SINR.
Hys
is expressed in dB.
Thresh
is expressed in the same unit as Ms.
Up

5.5.4.4  Event A3 (Neighbour becomes offset better than SpCell)  p. 256

The UE shall:
1 >
consider the entering condition for this event to be satisfied when condition A3-1, as specified below, is fulfilled;
1 >
consider the leaving condition for this event to be satisfied when condition A3-2, as specified below, is fulfilled;
1 >
use the SpCell for Mp, Ofp and Ocp.
Inequality A3-1 (Entering condition)
Mn + Ofn + Ocn - Hys > Mp + Ofp + Ocp + Off
Inequality A3-2 (Leaving condition)
Mn + Ofn + Ocn + Hys < Mp + Ofp + Ocp + Off
The variables in the formula are defined as follows:
Mn
is the measurement result of the neighbouring cell, not taking into account any offsets.
Ofn
is the measurement object specific offset of the reference signal of the neighbour cell (i.e. offsetMO as defined within measObjectNR corresponding to the neighbour cell).
Ocn
is the cell specific offset of the neighbour cell (i.e. cellIndividualOffset as defined within measObjectNR corresponding to the frequency of the neighbour cell, or cellIndividualOffset as defined within reportConfigNR), and set to zero if not configured for the neighbour cell.
Mp
is the measurement result of the SpCell, not taking into account any offsets.
Ofp
is the measurement object specific offset of the SpCell (i.e. offsetMO as defined within measObjectNR corresponding to the SpCell).
Ocp
is the cell specific offset of the SpCell (i.e. cellIndividualOffset as defined within measObjectNR corresponding to the SpCell), and is set to zero if not configured for the SpCell.
Hys
is the hysteresis parameter for this event (i.e. hysteresis as defined within reportConfigNR for this event).
Off
is the offset parameter for this event (i.e. a3-Offset as defined within reportConfigNR for this event).
Mn, Mp
are expressed in dBm in case of RSRP, or in dB in case of RSRQ and RS-SINR.
Ofn, Ocn, Ofp, Ocp, Hys, Off
are expressed in dB.
Up

5.5.4.5  Event A4 (Neighbour becomes better than threshold)  p. 257

The UE shall:
1 >
consider the entering condition for this event to be satisfied when condition A4-1, as specified below, is fulfilled;
1 >
consider the leaving condition for this event to be satisfied when condition A4-2, as specified below, is fulfilled.
Inequality A4-1 (Entering condition)
Mn + Ofn + Ocn - Hys > Thresh
Inequality A4-2 (Leaving condition)
Mn + Ofn + Ocn + Hys < Thresh
The variables in the formula are defined as follows:
Mn
is the measurement result of the neighbouring cell or the measurement result of serving PSCell (i.e., in case it is configured as candidate PSCell for CondEvent A4 evaluation) for CHO with candidate SCG(s) case, not taking into account any offsets.
Ofn
is the measurement object specific offset of the neighbour cell (i.e. offsetMO as defined within measObjectNR corresponding to the neighbour cell).
Ocn
is the measurement object specific offset of the neighbour cell (i.e. cellIndividualOffset as defined within measObjectNR corresponding to the neighbour cell, or cellIndividualOffset as defined within reportConfigNR), and set to zero if not configured for the neighbour cell.
Hys
is the hysteresis parameter for this event (i.e. hysteresis as defined within reportConfigNR for this event).
Thresh
is the threshold parameter for this event (i.e. a4-Threshold as defined within reportConfigNR for this event).
Mn
is expressed in dBm in case of RSRP, or in dB in case of RSRQ and RS-SINR.
Ofn, Ocn, Hys
are expressed in dB.
Thresh
is expressed in the same unit as Mn.
Up

5.5.4.6  Event A5 (SpCell becomes worse than threshold1 and neighbour becomes better than threshold2)  p. 258

The UE shall:
1 >
consider the entering condition for this event to be satisfied when both condition A5-1 and condition A5-2, as specified below, are fulfilled;
1 >
consider the leaving condition for this event to be satisfied when condition A5-3 or condition A5-4, i.e. at least one of the two, as specified below, is fulfilled;
1 >
use the SpCell for Mp.
Inequality A5-1 (Entering condition 1)
Mp + Hys < Thresh1
Inequality A5-2 (Entering condition 2)
Mn + Ofn + Ocn - Hys > Thresh2
Inequality A5-3 (Leaving condition 1)
Mp - Hys > Thresh1
Inequality A5-4 (Leaving condition 2)
Mn + Ofn + Ocn + Hys < Thresh2
The variables in the formula are defined as follows:
Mp
is the measurement result of the NR SpCell, not taking into account any offsets.
Mn
is the measurement result of the neighbouring cell, not taking into account any offsets.
Ofn
is the measurement object specific offset of the neighbour cell (i.e. offsetMO as defined within measObjectNR corresponding to the neighbour cell).
Ocn
is the cell specific offset of the neighbour cell (i.e. cellIndividualOffset as defined within measObjectNR corresponding to the neighbour cell, or cellIndividualOffset as defined within reportConfigNR), and set to zero if not configured for the neighbour cell.
Hys
is the hysteresis parameter for this event (i.e. hysteresis as defined within reportConfigNR for this event).
Thresh1
is the threshold parameter for this event (i.e. a5-Threshold1 as defined within reportConfigNR for this event).
Thresh2
is the threshold parameter for this event (i.e. a5-Threshold2 as defined within reportConfigNR for this event).
Mn, Mp
are expressed in dBm in case of RSRP, or in dB in case of RSRQ and RS-SINR.
Ofn, Ocn, Hys
are expressed in dB.
Thresh1
is expressed in the same unit as Mp.
Thresh2
is expressed in the same unit as Mn.
Up

5.5.4.7  Event A6 (Neighbour becomes offset better than SCell)  p. 259

The UE shall:
1 >
consider the entering condition for this event to be satisfied when condition A6-1, as specified below, is fulfilled;
1 >
consider the leaving condition for this event to be satisfied when condition A6-2, as specified below, is fulfilled;
1 >
for this measurement, consider the (secondary) cell corresponding to the measObjectNR associated to this event to be the serving cell.
Inequality A6-1 (Entering condition)
Mn + Ocn - Hys > Ms + Ocs + Off
Inequality A6-2 (Leaving condition)
Mn + Ocn + Hys < Ms + Ocs + Off
The variables in the formula are defined as follows:
Mn
is the measurement result of the neighbouring cell, not taking into account any offsets.
Ocn
is the cell specific offset of the neighbour cell (i.e. cellIndividualOffset as defined within the associated measObjectNR), and set to zero if not configured for the neighbour cell.
Ms
is the measurement result of the serving cell, not taking into account any offsets.
Ocs
is the cell specific offset of the serving cell (i.e. cellIndividualOffset as defined within the associated measObjectNR, or cellIndividualOffset as defined within reportConfigNR), and is set to zero if not configured for the serving cell.
Hys
is the hysteresis parameter for this event (i.e. hysteresis as defined within reportConfigNR for this event).
Off
is the offset parameter for this event (i.e. a6-Offset as defined within reportConfigNR for this event).
Mn, Ms
are expressed in dBm in case of RSRP, or in dB in case of RSRQ and RS-SINR.
Ocn, Ocs, Hys, Off
are expressed in dB.
Up

5.5.4.8  Event B1 (Inter RAT neighbour becomes better than threshold)  p. 259

The UE shall:
1 >
consider the entering condition for this event to be satisfied when condition B1-1, as specified below, is fulfilled;
1 >
consider the leaving condition for this event to be satisfied when condition B1-2, as specified below, is fulfilled.
Inequality B1-1 (Entering condition)
Mn + Ofn + Ocn - Hys > Thresh
Inequality B1-2 (Leaving condition)
Mn + Ofn + Ocn + Hys < Thresh
The variables in the formula are defined as follows:
Mn
is the measurement result of the inter-RAT neighbour cell, not taking into account any offsets.
Ofn
is the measurement object specific offset of the frequency of the inter-RAT neighbour cell (i.e. eutra-Q-OffsetRange as defined within the measObjectEUTRA corresponding to the frequency of the neighbour inter-RAT cell, utra-FDD-Q-OffsetRange as defined within the measObjectUTRA-FDD corresponding to the frequency of the neighbour inter-RAT cell).
Ocn
is the cell specific offset of the inter-RAT neighbour cell (i.e. cellIndividualOffset as defined within the measObjectEUTRA corresponding to the neighbour inter-RAT cell, or cellIndividualOffset as defined within reportConfigInterRAT), and set to zero if not configured for the neighbour cell.
Hys
is the hysteresis parameter for this event (i.e. hysteresis as defined within reportConfigInterRAT for this event).
Thresh
is the threshold parameter for this event (i.e. b1-ThresholdEUTRA as defined within reportConfigInterRAT for this event, b1-ThresholdUTRA-FDD as defined for UTRA-FDD within reportConfigInterRAT for this event).
Mn
is expressed in dBm or in dB, depending on the measurement quantity of the inter-RAT neighbour cell.
Ofn, Ocn, Hys
are expressed in dB.
Thresh
is expressed in the same unit as Mn.
Up

5.5.4.9  Event B2 (PCell becomes worse than threshold1 and inter RAT neighbour becomes better than threshold2)  p. 260

The UE shall:
1 >
consider the entering condition for this event to be satisfied when both condition B2-1 and condition B2-2, as specified below, are fulfilled;
1 >
consider the leaving condition for this event to be satisfied when condition B2-3 or condition B2-4, i.e. at least one of the two, as specified below, is fulfilled;
Inequality B2-1 (Entering condition 1)
Mp + Hys < Thresh1
Inequality B2-2 (Entering condition 2)
Mn + Ofn + Ocn - Hys > Thresh2
Inequality B2-3 (Leaving condition 1)
Mp - Hys > Thresh1
Inequality B2-4 (Leaving condition 2)
Mn + Ofn + Ocn + Hys < Thresh2
The variables in the formula are defined as follows:
Mp
is the measurement result of the PCell, not taking into account any offsets.
Mn
is the measurement result of the inter-RAT neighbour cell, not taking into account any offsets.
Ofn
is the measurement object specific offset of the frequency of the inter-RAT neighbour cell (i.e. eutra-Q-OffsetRange as defined within the measObjectEUTRA corresponding to the frequency of the inter-RAT neighbour cell, utra-FDD-Q-OffsetRange as defined within the measObjectUTRA-FDD corresponding to the frequency of the neighbour inter-RAT cell).
Ocn
is the cell specific offset of the inter-RAT neighbour cell (i.e. cellIndividualOffset as defined within the measObjectEUTRA corresponding to the neighbour inter-RAT cell, or cellIndividualOffset as defined within reportConfigInterRAT), and set to zero if not configured for the neighbour cell.
Hys
is the hysteresis parameter for this event (i.e. hysteresis as defined within reportConfigInterRAT for this event).
Thresh1
is the threshold parameter for this event (i.e. b2-Threshold1 as defined within reportConfigInterRAT for this event).
Thresh2
is the threshold parameter for this event (i.e. b2-Threshold2EUTRA as defined within reportConfigInterRAT for this event, b2-Threshold2UTRA-FDD as defined for UTRA-FDD within reportConfigInterRAT for this event).
Mp
is expressed in dBm in case of RSRP, or in dB in case of RSRQ and SINR.
Mn
is expressed in dBm or dB, depending on the measurement quantity of the inter-RAT neighbour cell.
Ofn, Ocn, Hys
are expressed in dB.
Thresh1
is expressed in the same unit as Mp.
Thresh2
is expressed in the same unit as Mn.
Up

5.5.4.10  Event I1 (Interference becomes higher than threshold)  p. 261

The UE shall:
1 >
consider the entering condition for this event to be satisfied when condition I1-1, as specified below, is fulfilled;
1 >
consider the leaving condition for this event to be satisfied when condition I1-2, as specified below, is fulfilled.
Inequality I1-1 (Entering condition)
Mi - Hys > Thresh
Inequality I1-2 (Leaving condition)
Mi+ Hys < Thresh
The variables in the formula are defined as follows:
Mi
is the measurement result of the interference, not taking into account any offsets.
Hys
is the hysteresis parameter for this event (i.e. hysteresis as defined within reportConfigNR for this event).
Thresh
is the threshold parameter for this event (i.e. i1-Threshold as defined within reportConfigNR for this event).
Mi, Thresh
are expressed in dBm.
Hys
is expressed in dB.
Up

5.5.4.11  Event C1 (The NR sidelink channel busy ratio is above a threshold)  p. 261

The UE shall:
1 >
consider the entering condition for this event to be satisfied when condition C1-1, as specified below, is fulfilled;
1 >
consider the leaving condition for this event to be satisfied when condition C1-2, as specified below, is fulfilled;
Inequality C1-1 (Entering condition)
Ms - Hys > Thresh
Inequality C1-2 (Leaving condition)
Ms - Hys < Thresh
The variables in the formula are defined as follows:
Ms
isthe measurement result of channel busy ratio of the transmission resource pool, not taking into account any offsets.
Hys
is the hysteresis parameter for this event (i.e. hysteresis as defined within reportConfigNR-SL for this event).
Thresh
is the threshold parameter for this event (i.e. c1-Threshold as defined within reportConfigNR-SL for this event).
Ms
is expressed in decimal from 0 to 1 in steps of 0.01.
Hys
is expressed is in the same unit as Ms.
Thresh
is expressed in the same unit as Ms.
Up

5.5.4.12  Event C2 (The NR sidelink channel busy ratio is below a threshold)  p. 262

The UE shall:
1 >
consider the entering condition for this event to be satisfied when condition C2-1, as specified below, is fulfilled;
1 >
consider the leaving condition for this event to be satisfied when condition C2-2, as specified below, is fulfilled;
Inequality C2-1 (Entering condition)
Ms - Hys < Thresh
Inequality C2-2 (Leaving condition)
Ms - Hys > Thresh
The variables in the formula are defined as follows:
Ms
is the measurement result of channel busy ratio of the transmission resource pool, not taking into account any offsets.
Hys
is the hysteresis parameter for this event (i.e. hysteresis as defined within reportConfigNR-SL for this event).
Thresh
is the threshold parameter for this event (i.e. c2-Threshold as defined within reportConfigNR-SL for this event).
Ms
is expressed in decimal from 0 to 1 in steps of 0.01.
Hys
is expressed is in the same unit as Ms.
Thresh
is expressed in the same unit as Ms.
Up

5.5.4.13  Void

5.5.4.14  Void

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