5G信令分析指导书

5G 信令分析指导书 目 录 1 概述 .................................................................................................................................................. 1 2 开机入网 .......................................................................................................................................... 3 2.1 小区搜索与选择 ......................................................................................................................................................... 3 2.2 系统消息广播 ............................................................................................................................................................. 4 2.2.1 系统消息获取 .......................................................................................................................................................... 6 2.2.2 系统消息更新 .......................................................................................................................................................... 7 2.2.3 ODOSI 过程 .............................................................................................................................................................. 8 2.2.4 关键消息解读 .......................................................................................................................................................... 9 2.2.4.1 MIB ......................................................................................................................................................................... 9 2.2.4.2 SIB1 ...................................................................................................................................................................... 11 2.2.4.3 SI ........................................................................................................................................................................... 17 2.3 ...