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5G学习笔记之NGAP

2020年07月09日  | 移动技术网IT编程  | 我要评论 
参考资料：3Gpp 38.413
1. NGAP服务

NGAP提供NG-RAN节点与AMF节点之间的信令服务。服务分为两类：

  • 非UE相关服务：在NG-RAN与AMF之间建立NG接口实例。
  • UE相关服务：为UE接入核心网提供信令和数据连接。
     
2. NGAP一般过程分类

（1）NGAP一般过程按是否有响应，可分为两类：

  • Class 1：应答类消息，需要等待响应消息。
一般过程 发起消息 成功响应 失败响应
AMF Configuration Update AMF CONFIGURATION UPDATE AMF CONFIGURATION UPDATE ACKNOWLEDGE AMF CONFIGURATION UPDATE FAILURE
RAN Configuration Update RAN CONFIGURATION UPDATE RAN CONFIGURATION UPDATE ACKNOWLEDGE RAN CONFIGURATION UPDATE FAILURE
Handover Cancellation HANDOVER CANCEL HANDOVER CANCEL ACKNOWLEDGE
Handover Preparation HANDOVER REQUIRED HANDOVER COMMAND HANDOVER PREPARATION FAILURE
Handover Resource Allocation HANDOVER REQUEST HANDOVER REQUEST ACKNOWLEDGE HANDOVER FAILURE
Initial Context Setup INITIAL CONTEXT SETUP REQUEST INITIAL CONTEXT SETUP RESPONSE INITIAL CONTEXT SETUP FAILURE
UE Context Modification UE CONTEXT MODIFICATION REQUEST UE CONTEXT MODIFICATION RESPONSE UE CONTEXT MODIFICATION FAILURE
UE Context Release UE CONTEXT RELEASE COMMAND UE CONTEXT RELEASE COMPLETE
Path Switch Request PATH SWITCH REQUEST PATH SWITCH REQUEST ACKNOWLEDGE PATH SWITCH REQUEST FAILURE
PDU Session Resource Setup PDU SESSION RESOURCE SETUP REQUEST PDU SESSION RESOURCE SETUP RESPONSE
PDU Session Resource Release PDU SESSION RESOURCE RELEASE COMMAND PDU SESSION RESOURCE RELEASE RESPONSE
PDU Session Resource Modify PDU SESSION RESOURCE MODIFY REQUEST PDU SESSION RESOURCE MODIFY RESPONSE
PDU Session Resource Modify Indication PDU SESSION RESOURCE MODIFY INDICATION PDU SESSION RESOURCE MODIFY CONFIRM
UE Radio Capability Check UE RADIO CAPABILITY CHECK REQUEST UE RADIO CAPABILITY CHECK RESPONSE
Write-Replace Warning WRITE-REPLACE WARNING REQUEST WRITE-REPLACE WARNING RESPONSE
PWS Cancel PWS CANCEL REQUEST PWS CANCEL RESPONSE
NG Reset NG RESET NG RESET ACKNOWLEDGE
NG Setup NG SETUP REQUEST NG SETUP RESPONSE NG SETUP FAILURE
  • Class 2：通知类消息，无response消息。
一般过程 消息
Downlink RAN Configuration Transfer DOWNLINK RAN CONFIGURATION TRANSFER
Uplink RAN Configuration Transfer UPLINK RAN CONFIGURATION TRANSFER
Downlink RAN Status Transfer DOWNLINK RAN STATUS TRANSFER
Uplink RAN Status Transfer UPLINK RAN STATUS TRANSFER
Downlink NAS Transport DOWNLINK NAS TRANSPORT
Uplink NAS Transport UPLINK NAS TRANSPORT
Downlink UE Associated NRPPa Transport DOWNLINK UE ASSOCIATED NRPPA TRANSPORT
Uplink UE Associated NRPPa Transport UPLINK UE ASSOCIATED NRPPA TRANSPORT
Downlink Non UE Associated NRPPa Transport DOWNLINK NON UE ASSOCIATED NRPPA TRANSPORT
Uplink Non UE Associated NRPPa Transport UPLINK NON UE ASSOCIATED NRPPA TRANSPORT
Handover Notification HANDOVER NOTIFY
Initial UE Message INITIAL UE MESSAGE
NAS Non Delivery Indication NAS NON DELIVERY INDICATION
Error Indication ERROR INDICATION
Paging PAGING
PDU Session Resource Notify PDU SESSION RESOURCE NOTIFY
Reroute NAS Request REROUTE NAS REQUEST
UE Context Release Request UE CONTEXT RELEASE REQUEST
AMF Status Indication AMF STATUS INDICATION
PWS Restart Indication PWS RESTART INDICATION
PWS Failure Indication PWS FAILURE INDICATION
Trace Start TRACE START
Trace Failure Indication TRACE FAILURE INDICATION
Deactivate Trace DEACTIVATE TRACE
Cell Traffic Trace CELL TRAFFIC TRACE
Location Reporting Control LOCATION REPORTING CONTROL
Location Reporting Failure Indication LOCATION REPORTING FAILURE INDICATION
Location Report LOCATION REPORT
UE TNLA Binding Release UE TNLA BINDING RELEASE REQUEST
UE Radio Capability Info Indication UE RADIO CAPABILITY INFO INDICATION
RRC Inactive Transition Report RRC INACTIVE TRANSITION REPORT
Overload Start OVERLOAD START
Overload Stop OVERLOAD STOP
Secondary RAT Data Usage Report SECONDARY RAT DATA USAGE REPORT

（2）NGAP一般过程按功能分类，大致可以分为以下14类：

功能 过程
接口管理过程 NG Setup
RAN Configuration Update
AMF Configuration Update
NG Reset
Error Indication
Overload Start
Overload Stop
AMF Status Indication
寻呼过程 Paging
UE上下文管理过程 Initial Context Setup
UE Context Release Request (NG-RAN initiated)
UE Context Release Request (AMF initiated)
UE Context Modification
RRC Inactive Transition Report
UE移动性管理过程 Handover Preparation
Handover Resource Allocation
Handover Notification
Path Switch Request
Handover Cancellation
Uplink RAN Status Transfer
Downlink RAN Status Transfer
UE无线能力管理过程 UE Radio Capability Info Indication
UE Radio Capability Check
PDU会话管理过程 PDU Session Resource Setup
PDU Session Resource Release
PDU Session Resource Modify
PDU Session Resource Notify
PDU Session Resource Modify Indication
NAS消息传输过程 Initial UE Message
Downlink NAS Transport
Uplink NAS Transport
NAS Non Delivery Indication
Reroute NAS Request
配置传输过程 Uplink RAN Configuration Transfer
Downlink RAN Configuration Transfer
告警消息传输过程 Write-Replace Warning
NRPPa传输过程 DOWNLINK UE ASSOCIATED NRPPA TRANSPORT
DOWNLINK NON UE ASSOCIATED NRPPA TRANSPORT
UPLINK UE ASSOCIATED NRPPA TRANSPORT
UPLINK NON UE ASSOCIATED NRPPA TRANSPORT
跟踪过程 Trace Start
Trace Failure Indication
Deactivate Trace
Deactivate Trace
Cell Traffic Trace
位置报告过程 Location Reporting Control
Location Reporting Failure Indication
Location Report
UE TNLA绑定过程 UE TNLA Binding Release
数据使用率报告过程 Secondary RAT Data Usage Report

本文地址：https://blog.csdn.net/u012800825/article/details/105902556

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