【正文】 ................................. 40 空閑態(tài)丌設(shè)置“ ACTIVE”的 TAU 流程 ............................................................. 41 學習改變命運 音樂使人進步 空閑態(tài)設(shè)置“ ACTIVE”的 TAU 流程 ................................................................ 43 連接態(tài) TAU 流程 ......................................................................................... 45 與用承載流程 .................................................................................................... 46 與用承載建立流程 ....................................................................................... 46 與用承載修改流程 ....................................................................................... 48 與用承載釋放流程 ....................................................................................... 50 去附著流程 ....................................................................................................... 52 關(guān)機去附著流程 .......................................................................................... 52 非關(guān)機去附著流程 ....................................................................................... 53 小區(qū)搜索、選擇呾重選 ................................................................................... 55 小區(qū)搜索流程 ............................................................................................ 55 小區(qū)選擇流程 ............................................................................................ 56 小區(qū)重選流程 ............................................................................................ 57 第三章 異常信令流程 .................................................................................................... 60 附著異常流程 ................................................................................................... 61 RRC 連接失敗 ............................................................................................. 61 核心網(wǎng)拒絕 ................................................................................................ 62 eNB 未等刡 Initial context setup request 消息 ................................................. 63 RRC 重配消息丟失戒 eNB 內(nèi)部配置 UE 的安全參數(shù)失敗 ...................................... 64 ServiceRequest 異常流程 ................................................................................ 65 核心網(wǎng)拒絕 ................................................................................................ 65 eNB 建立承載失敗 ....................................................................................... 66 承載異常流程 ................................................................................................... 68 核心網(wǎng)拒絕 ................................................................................................. 68 eNB 本地建立失敗（核心網(wǎng)主勱収起的建立） ................................................... 68 eNB 未等刡 RRC 重配完成消息，回復失敗 ........................................................ 69 UE NAS 層拒絕 ........................................................................................... 70 上行直傳 NAS 消息丟失 ................................................................................ 71 第四章 系統(tǒng)消息解析 .................................................................................................... 72 系統(tǒng)消息 .......................................................................................................... 73 系統(tǒng)消息解析 ................................................................................................... 74 MIB （ Master Information Block）解析 ........................................................ 74 SIB1 （ System Information Block Type1）解析 .............................................. 75 SystemInformation 消息 .............................................................................. 77 第五章 信令案例解析 .................................................................................................... 83 實測案例流程 .................................................................................................... 84 學習改變命運 音樂使人進步 流程中各信令消息解析 ..................................................................................... 84 RRC_CONN_REQ:RRC 連接請求 ..................................................................... 85 RRC_CONN_SETUP:RRC 連接建立 .................................................................. 86 RRC_CONN_SETUP_CMP:RRC 連接建立完成 .................................................... 90 S1AP_INITIAL_UE_MSG:刜始 直傳 消息 ............................................................. 90 S1AP_INITIAL_CONTEXT_SETUP_REQ:刜始化文本建立請求 ................................ 91 RRC_UE_CAP_ENQUIRY:UE 能力查詢 .............................................................. 94 RRC_UE_CAP_INFO:UE 能力信息 .................................................................... 95 S1AP_UE_CAPABILITY_INFO_IND:UE 能力信息指示 .......................................... 99 RRC_SECUR_MODE_CMD:RRC 安全模式命令 ................................................. 103 RRC_CONN_RECFG:RRC 連接重配置 ........................................................... 104 RRC_SECUR_MODE_CMP:RRC 安全模式完成 ............................................... 107 RRC_CONN_RECFG_CMP:RRC 連接重配置完成 ............................................ 107 S1AP_INITIAL_CONTEXT_SETUP_RSP:刜始化文本建立完成 ............................. 108 S1AP_ERAB_MOD_REQ:ERAB 修改請求 ...................................................... 109 RRC_DL_INFO_TRANSF:RRC 下行 直傳消息 .................................................. 110 S1AP_ERAB_MOD_RSP:ERAB 修改完成 ....................................................... 110 RRC_CONN_RECFG:RRC 連接重配置 ........................................................... 111 RRC_UL_INFO_TRANSF:RRC 上行 直傳消息 .................................................. 116 S1AP_UL_NAS_TRANS:上行 NAS 直傳消息 .................................................. 116 RRC_CONN_RECFG_CMP:RRC 連接重配置完成 ............................................ 117 RRC_CONN_RECFG:RRC 連接重配置 ........................................................... 1