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en 301 489-17 -v3.3.0-电磁兼容性（...
CM Configuration Management CMTS Cable Modem Termination System CP Control Plane CSP Communications Service Provider CTI Cooperative Transport Interface CUS Control User Synchronization DC Dual connectivity DOCSIS Data Over Cable Service Interface Specification DM Data Model DTLS Datagram Transport Layer Security E-UTRA Evolved Universal Terrestrial Radio Access E-UTRAN Evolved Universal Terrestrial Radio Access Network EN-DC E-UTRAN New Radio - Dual Connectivity EPC Evolved Packet Core eNB evolved Node B FCAPS Fault, Configuration, Accounting, Performance, Security FFT Fast Fourier Transform FHGW Fronthaul Gateway FHM Fronthaul Multiplexer FM Fault Management gNB next generation Node B gNB-CU gNB Central Unit gNB-DU gNB Distributed Unit GUAMI Globally Unique AMF Identifier GUMMEI Globally Unique MME Identifier HARQ Hybrid Automatic Repeat Request ID Identifier iFFT inverse Fast Fourier Transform IM Information Model IPSec Internet Protocol Security LLS Lower Layer Split LTE Long Term Evolution MAC Media Access Control ME Managed Element MeNB Master eNB MF Managed Function ML Machine Learning MME Mobility Management Entity Near-RT RIC Near-Real-Time RAN Intelligent Controller NETCONF NETwork CONFiguration Protocol NG Next Generation NG-RAN Next Generation RAN NGAP Next Generation Application Protocol NIST国家标准和技术研究所NMS网络管理系统非RIC非现实时间RAN智能控制器NR 5G新无线电O-Cloud O-Ran Cloud O-Cu-CP O-CP O-CP O-CP O-RAN中央单元 - 控制平面。O-CU-UP O-RAN Central Unit - User Plane O-DU O-RAN Distributed Unit O-eNB O-RAN eNB O-RAN Open RAN O-RU O-RAN Radio Unit OAM Operations, Administration and Maintenance OLT Optical Line Terminal ONU Optical Network Unit Open FH Open FrontHaul PDCP Packet Data Convergence Protocol PHY Physical layer PKI Public Key Infrastructure PM Performance Management
TS 133 501-V15.9.0-5G
6.8.2.2.3 基于 RAN 的通知区域更新到同一个 gNB/ng-eNB .......................................................................... 75 6.9 移动性中的安全处理 ............................................................................................................................. 75 6.9.1 一般规定 ............................................................................................................................................. 75 6.9.2 切换中的密钥处理 ............................................................................................................................. 75 6.9.2.1 一般规定 ............................................................................................................................................. 75 6.9.2.1.1 接入层 ............................................................................................................................................. 75 6.9.2.1.2 非接入层 ............................................................................................................................................. 77 6.9.2.2 上下文修改过程的密钥派生 ............................................................................................................. 77 6.9.2.3 切换期间的密钥派生 ............................................................................................................................. 77 6.9.2.3.1 gNB-CU 内切换和ng-eNB 内切换 ................................................................................................ 77 6.9.2.3.2 Xn 切换 .................................................................................................................................... 78 6.9.2.3.3 N2 切换 .................................................................................................................................... 78 6.9.2.3.4 UE 处理 ............................................................................................................................................. 80 6.9.3 移动性注册更新中的密钥处理 ............................................................................................................. 81 6.9.4 动态密钥更改 ............................................................................................................................................. 82 6.9.4.1 常规 ............................................................................................................................................. 82 6.9.4.2 NAS 密钥重新密钥化 ............................................................................................................................. 83 6.9.4.3 NAS 密钥刷新 ............................................................................................................................. 83 6.9.4.4 AS 密钥重新密钥化........................................................................................................................... 83 6.9.4.5 AS 键刷新 ..................................................................................................................................................................................................................................... 84 6.9.5 安全程序并发运行规则 .................................................................................................................... 84 6.9.5.1 与 AS 和 NAS 安全上下文同步相关的规则 ........................................................................................ 84 6.9.5.2 与并行 NAS 连接相关的规则 ............................................................................................................. 85 6.9.6 通过直接 NAS 重新路由在 AMF 重新分配注册中的安全处理 ............................................................. 85 6.10 双连接 ............................................................................................................................................. 85 6.10.1 简介 ............................................................................................................................................. 85 6.10.1.1 一般 ............................................................................................................................................. 85 6.10.1.2 具有 5GC 的 MR-DC 的双连接协议架构 ............................................................................. 85 6.10.2 DC 的安全机制和程序 ............................................................................................................. 86 SN 增加或修改 ................................................................................................................................................ 86 6.10.2.2 次节点密钥更新 ...................................................................................................................................... 88 6.10.2.2.1 概述 ................................................................................................................................................ 88 6.10.2.2.2 MN 发起 ............................................................................................................................................. 88 6.10.2.2.3 SN 发起 ............................................................................................................................................. 88 6.10.2.3 SN 发布和变更 ............................................................................................................................................. 88 6.10.3 建立 UE 和 SN 之间的安全上下文 ............................................................................................................. 88 6.10.3.1 SN 计数器维护 ................................................................................................................................ 88 6.10.3.2 密钥导出 ............................................................................................................................................. 89 6.10.3.3 安全算法协商......................................................................................................... 89 6.10.4 UE 和 SN 之间的流量保护.................................................................................................................... 89 6.10.5 切换程序 .............................................................................................................................................. 90 6.10.6 PDCP COUNT 检查的信令程序......................................................................................................................... 90 6.10.7 无线链路故障恢复 ...................................................................................................................................... 91 6.11 RRC 连接重建程序的安全处理 ............................................................................................................. 91 6.12 签约标识符隐私 ...................................................................................................................................... 92 6.12.1 签约永久标识符 ................................................................................................................................ 92 6.12.2 签约隐藏标识符 ................................................................................................................................ 93 6.12.3 签约临时标识符 ................................................................................................................................ 94 6.12.4 签约识别程序 ................................................................................................................................ 94 6.12.5 签约标识符解密功能（SIDF）................................................................................................................ 95 6.13 PDCP COUNT 检查的信令程序 .......................................................................................................................... 95 6.14 漫游安全机制的指导 ...................................................................................................................................... 96 6.14.1 概述 ...................................................................................................................................................... 96 6.14.2 安全机制 ............................................................................................................................................. 96 6.14.2.1 注册期间 UE 在 VPLMN 中的指导程序 ............................................................................................. 96 6.14.2.2 注册后 UE 在 VPLMN 中的指导程序 ............................................................................................. 98 6.14.2.3 SoR 计数器 ............................................................................................................................................. 100 6.15 通过 UDM 控制平面程序安全机制更新 UE 参数 ............................................................................................. 100 6.15.1 概述 ........................................................................................................................................................................................................... 100 6.15.2 安全机制 ...................................................................................................................................... 101 6.15.2.1 UE 参数更新程序 ...................................................................................................................... 101 6.15.2.2 UE 参数更新计数器 ................................................................................................................ 102