常见 NGAP 流程与业务的串联

sequenceDiagram participant UE participant gNB participant AMF participant SMF UE->>gNB: RRC Setup + NAS Registration Request gNB->>AMF: NGAP: Initial UE Message (含NAS) Note over AMF: 鉴权、安全模式... AMF-->>gNB: NGAP: Initial Context Setup Request gNB-->>UE: RRC Reconfiguration Note over UE,AMF: 注册完成 UE->>gNB: NAS: PDU Session Establishment Request gNB->>AMF: NGAP: Uplink NAS Transport AMF->>SMF: N11: Create SM Context SMF-->>AMF: SM Context Created AMF->>gNB: NGAP: PDU Session Resource Setup Request gNB-->>AMF: NGAP: PDU Session Resource Setup Response