3GPP
3GPP TS 38.423 V15.3.0 (2019-03)
8.2.7.4 Abnormal Conditions............................................................................................................................. 26
8.3 Procedures for Dual Connectivity..................................................................................................................... 27
8.3.1 S-NG-RAN node Addition Preparation....................................................................................................... 27
8.3.1.1 General................................................................................................................................................... 27
8.3.1.2 Successful Operation..............................................................................................................................27
8.3.1.3 Unsuccessful Operation..........................................................................................................................30
8.3.1.4 Abnormal Conditions............................................................................................................................. 30
8.3.2 S-NG-RAN node Reconfiguration Completion...........................................................................................31
8.3.2.1 General................................................................................................................................................... 31
8.3.2.2 Successful Operation..............................................................................................................................31
8.3.2.3 Abnormal Conditions............................................................................................................................. 31
8.3.3 M-NG-RAN node initiated S-NG-RAN node Modification Preparation.................................................... 31
8.3.3.1 General................................................................................................................................................... 31
8.3.3.2 Successful Operation..............................................................................................................................32
8.3.3.3 Unsuccessful Operation..........................................................................................................................36
8.3.3.4 Abnormal Conditions............................................................................................................................. 36
8.3.4 S-NG-RAN node initiated S-NG-RAN node Modification.........................................................................37
8.3.4.1 General................................................................................................................................................... 37
8.3.4.2 Successful Operation..............................................................................................................................37
8.3.4.3 Unsuccessful Operation..........................................................................................................................39
8.3.4.4 Abnormal Conditions............................................................................................................................. 39
8.3.5 S-NG-RAN node initiated S-NG-RAN node Change..................................................................................40
8.3.5.1 General................................................................................................................................................... 40
8.3.5.2 Successful Operation..............................................................................................................................40
8.3.5.3 Unsuccessful Operation..........................................................................................................................41
8.3.5.4 Abnormal Conditions............................................................................................................................. 41
8.3.6 M-NG-RAN node initiated S-NG-RAN node Release................................................................................ 41
8.3.6.1 General................................................................................................................................................... 41
8.3.6.2 Successful Operation..............................................................................................................................42
8.3.6.3 Unsuccessful Operation..........................................................................................................................42
8.3.6.4 Abnormal Conditions............................................................................................................................. 43
8.3.7 S-NG-RAN node initiated S-NG-RAN node Release................................................................................. 43
8.3.7.1 General................................................................................................................................................... 43
8.3.7.2 Successful Operation..............................................................................................................................43
8.3.7.3 Unsuccessful Operation..........................................................................................................................43
8.3.7.4 Abnormal Conditions............................................................................................................................. 44
8.3.8 S-NG-RAN node Counter Check.................................................................................................................44
8.3.8.1 General................................................................................................................................................... 44
8.3.8.2 Successful Operation..............................................................................................................................44
8.3.8.3 Unsuccessful Operation..........................................................................................................................44
8.3.8.4 Abnormal Conditions............................................................................................................................. 44
8.3.9 RRC Transfer............................................................................................................................................... 44
8.3.9.1 General................................................................................................................................................... 44
8.3.9.2 Successful Operation..............................................................................................................................45
8.3.9.3 Unsuccessful Operation..........................................................................................................................45
8.3.9.4 Abnormal Conditions............................................................................................................................. 45
8.3.10 Notification Control Indication....................................................................................................................45
8.3.10.1 General................................................................................................................................................... 45
8.3.10.2 Successful Operation – M-NG-RAN node initiated...............................................................................46
8.3.10.3 Successful Operation – S-NG-RAN node initiated................................................................................46
8.3.10.4 Abnormal Conditions............................................................................................................................. 46
8.3.11 Activity Notification.................................................................................................................................... 47
8.3.11.1 General................................................................................................................................................... 47
8.3.11.2 Successful Operation..............................................................................................................................47
8.3.11.3 Abnormal Conditions............................................................................................................................. 47
8.3.12 E-UTRA – NR Cell Resource Coordination................................................................................................47
8.3.12.1 General................................................................................................................................................... 47
8.3.12.2 Successful Operation..............................................................................................................................48
8.3.13 Secondary RAT Data Usage Report............................................................................................................ 48
8.3.13.1 General................................................................................................................................................... 48
8.3.13.2 Successful Operation..............................................................................................................................49
8.3.13.3 Unsuccessful Operation..........................................................................................................................49
