0.1 控制面和用户面协议栈 ............................................................................................................... 2 0.2 S1 接口控制面和用户面协议栈 ................................................................................................... 3 1 开机附着流程 ...................................................................................................................................... 4 1.1 正常流程 ........................................................................................................................................ 4 1.2 异常流程 ........................................................................................................................................ 5 1.2.1 RRC 连接建立失败 ................................................................................................................ 5 1.2.2 核心网拒绝 ............................................................................................................................. 6 1.2.3 eNB 未等到Initial context setup request 消息 ....................................................................... 7 1.2.4 RRC 重配消息丢失或者没收到RRC 重配完成消息或者eNB 内部配置UE 的安全参数等失败 .................................................................................................................................................. 7 2 UE 发起的SERVICE REQUEST 流程 ............................................................................................. 8 2.1 正常流程 ........................................................................................................................................ 8 2.2 异常流程 ........................................................................................................................................ 9 2.2.1 RRC 连接建立失败 ..............................................................................................................