5GC规范阅读与查询

一、5GC常用规范了解

如果能熟悉EPC现网实现更好(3G、4G)

TS 29.500 SBA架构 (Technical Realization of Service Based Architecture)

TS 29.501 SBA 服务描述原则(Principles and Guidelines for Services Definition)

TS 29.502 SMF (Session Management Services)

TS 29.503 UDM (Unified Data Management Services)

TS 29.504 UDR (Unified Data Repository Services)

TS 29.507 PCF-AMF (Access and Mobility Policy Control Service)

TS 29.508 NEF (Session Management Event Exposure Service)

TS 29.509 AUSF (Authentication Server Services)

TS 29.510 NRF (Network function repository services)

TS 29.511 EIR (Equipment Identity Register Services)

TS 29.512 PCF-SMF (Session Management Policy Control Service)

TS 29.513 PCF QOS (Policy and Charging Control signalling flows and QoS parameter mapping)

TS 29.518 AMF (Access and Mobility Management Services)

TS 29.531 NSSF (Network Slice Selection Services)

TS 29.540 SMSF (SMS Services)

二、信令流程举例

23.502涵盖了5G的业务发生了的所有流程,所以我们熟悉了23.501中架构部分后,需要从23.502这一本开始去查阅相应的信令流程。才能更便捷的理清楚5gc中各个网元所承载的具体业务。

1、23.502中找到流程,结合时序图以及对应说明,能够清楚该流程涉及哪些NF,以及对应NF的接口和大致的参数

2、具体参数则找到相应29系列的NF的详细文件,例如N1消息,对应上图表中24.501中查看参数列表

3、逐个评估所有的参数在该流程是否必填等

(PS:资料整理部分参考51学通信,仅用于个人学习,如果错误或者不当之处请及时指出,谢谢)

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