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Content for
TS 36.331
Word version: 18.2.0
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5.4
Inter-RAT mobility
5.4.1
Introduction
5.4.2
Handover to E-UTRA
5.4.3
Mobility from E-UTRA
5.4.4
Handover from E-UTRA preparation request (CDMA2000)
5.4.5
UL handover preparation transfer (CDMA2000)
5.4.6
Inter-RAT cell change order to E-UTRAN
5.5
Measurements
5.5.1
Introduction
5.5.2
Measurement configuration
5.5.3
Performing measurements
5.5.4
Measurement report triggering
5.5.5
Measurement reporting
5.5.6
Measurement related actions
5.5.7
Inter-frequency RSTD measurement indication
5.5.8
Measurements in NB-IoT
5.5.9
GNSS measurement triggering and reporting
...
5.4
Inter-RAT mobility
p. 212
5.4.1
Introduction
p. 212
5.4.2
Handover to E-UTRA
p. 213
5.4.2.1
General
p. 213
5.4.2.2
Initiation
p. 213
5.4.2.3
Reception of the RRCConnectionReconfiguration by the UE
p. 213
5.4.2.4
Reconfiguration failure
p. 217
5.4.2.5
T304 expiry (handover to E-UTRA failure)
p. 217
5.4.3
Mobility from E-UTRA
p. 218
5.4.3.1
General
p. 218
5.4.3.2
Initiation
p. 218
5.4.3.3
Reception of the MobilityFromEUTRACommand by the UE
p. 219
5.4.3.4
Successful completion of the mobility from E-UTRA
p. 220
5.4.3.5
Mobility from E-UTRA failure
p. 221
5.4.4
Handover from E-UTRA preparation request (CDMA2000)
p. 222
5.4.4.1
General
p. 222
5.4.4.2
Initiation
p. 222
5.4.4.3
Reception of the HandoverFromEUTRAPreparationRequest by the UE
p. 222
5.4.5
UL handover preparation transfer (CDMA2000)
p. 223
5.4.5.1
General
p. 223
5.4.5.2
Initiation
p. 223
5.4.5.3
Actions related to transmission of the ULHandoverPreparationTransfer message
p. 223
5.4.5.4
Failure to deliver the ULHandoverPreparationTransfer message
p. 223
5.4.6
Inter-RAT cell change order to E-UTRAN
p. 223
5.4.6.1
General
p. 223
5.4.6.2
Initiation
p. 224
5.4.6.3
UE fails to complete an inter-RAT cell change order
p. 224
5.5
Measurements
p. 224
5.5.1
Introduction
p. 224
5.5.2
Measurement configuration
p. 226
5.5.2.1
General
p. 226
5.5.2.2
Measurement identity removal
p. 227
5.5.2.2a
Measurement identity autonomous removal
p. 228
5.5.2.3
Measurement identity addition/ modification
p. 228
5.5.2.4
Measurement object removal
p. 229
5.5.2.5
Measurement object addition/ modification
p. 230
5.5.2.6
Reporting configuration removal
p. 232
5.5.2.7
Reporting configuration addition/ modification
p. 233
5.5.2.8
Quantity configuration
p. 233
5.5.2.9
Measurement gap configuration
p. 233
5.5.2.9a
Measurement gap configuration for RSTD measurements with dense PRS configuration
p. 235
5.5.2.10
Discovery signals measurement timing configuration
p. 235
5.5.2.11
RSSI measurement timing configuration
p. 235
5.5.2.12
Measurement gap sharing configuration
p. 236
5.5.2.13
NR measurement timing configuration
p. 236
5.5.3
Performing measurements
p. 237
5.5.3.1
General
p. 237
5.5.3.2
Layer 3 filtering
p. 242
5.5.3.3
Derivation of NR cell quality
p. 242
5.5.3.4
Derivation of NR beam quality
p. 243
5.5.4
Measurement report triggering
p. 243
5.5.4.1
General
p. 243
5.5.4.2
Event A1 (Serving becomes better than threshold)
p. 249
5.5.4.3
Event A2 (Serving becomes worse than threshold)
p. 250
5.5.4.4
Event A3 (Neighbour becomes offset better than PCell/ PSCell)
p. 250
5.5.4.5
Event A4 (Neighbour becomes better than threshold)
p. 251
5.5.4.6
Event A5 (PCell/ PSCell becomes worse than threshold1 and neighbour becomes better than threshold2)
p. 252
5.5.4.6a
Event A6 (Neighbour becomes offset better than SCell)
p. 253
5.5.4.7
Event B1 (Inter RAT neighbour becomes better than threshold)
p. 253
5.5.4.8
Event B2 (PCell becomes worse than threshold1 and inter RAT neighbour becomes better than threshold2)
p. 254
5.5.4.9
Event C1 (CSI-RS resource becomes better than threshold)
p. 255
5.5.4.10
Event C2 (CSI-RS resource becomes offset better than reference CSI-RS resource)
p. 255
5.5.4.11
Event W1 (WLAN becomes better than a threshold)
p. 256
5.5.4.12
Event W2 (All WLAN inside WLAN mobility set becomes worse than threshold1 and a WLAN outside WLAN mobility set becomes better than threshold2)
p. 257
5.5.4.13
Event W3 (All WLAN inside WLAN mobility set becomes worse than a threshold)
p. 257
5.5.4.14
Event V1 (The channel busy ratio is above a threshold)
p. 258
5.5.4.15
Event V2 (The channel busy ratio is below a threshold)
p. 258
5.5.4.16
Event H1 (The Aerial UE height is above a threshold)
p. 259
5.5.4.17
Event H2 (The Aerial UE height is below a threshold)
p. 259
5.5.4.18
Void
5.5.4.19
Void
5.5.4.20
Event D1 (Distance between UE and referenceLocation1 is above threshold1 and distance between UE and referenceLocation2 is below threshold2)
p. 260
5.5.4.21
CondEvent T1 (Time measured at UE is within a duration from threshold)
p. 261
5.5.4.22
Event D2 (Distance between UE and serving cell moving reference location is above threshold1 and distance between UE and neighbour cell moving reference location is below threshold2)
p. 261
5.5.5
Measurement reporting
p. 262
5.5.5.1
General
p. 262
5.5.5.2
Determination of available NR measurement results
p. 269
5.5.5.3
Selection of NR sorting quality
p. 270
5.5.6
Measurement related actions
p. 270
5.5.6.1
Actions upon handover and re-establishment
p. 270
5.5.6.2
Speed dependant scaling of measurement related parameters
p. 271
5.5.7
Inter-frequency RSTD measurement indication
p. 272
5.5.7.1
General
p. 272
5.5.7.2
Initiation
p. 272
5.5.7.3
Actions related to transmission of InterFreqRSTDMeasurementIndication message
p. 272
5.5.8
Measurements in NB-IoT
p. 273
5.5.9
GNSS measurement triggering and reporting
p. 274