A.MCG:数据只在主站eNB上传递
B.SCG:数据只在辅站gNB上传递
C.MCG Split:数据经主站eNB空口分流
D.SCG Split:数据经辅站gNB空口分流
A.E-RAB Addification Request
B.E-RAB Modification Indication
C.E-RAB Modification Request
D.Path-switch-request
B.MeNB收SgNB的SgNBAdditionRequestAcknowledge消息后,下发空口RRCConnectionReconfiguration消息给UE,携带SgNB侧的SCG配置
C.SgNB接收SgNB到AdditionRequest消息后,Psce11选小区选择和接纳控制,接纳成功给MeNB回复SgNBAdditionRequestAcknowle消息
D.满足B1事件门限,UE上报B1测量报告。MeNB向SN发送SnAdditionRequest消息