浅谈WCDMA-UE基本信令流程

UE跟踪信令：路由区/位置区更新流程。

方向逻辑信道消息

up CCCH RRC Connect Request

dwon CCCH RRC Connect Setup

up DCCH RRC Connect Complete

up DCCH Initial Direct Transfer

up DCCH Initial Direct Transfer

dwon DCCH Measurement Control

dwon DCCH Security Mode Command

up DCCH Security Mode Complete

dwon DCCH Downlink Direct Transfer

up DCCH Uplink Direct Transfer

dwon DCCH Signalling Connection Release up DCCH Uplink Direct Transfer

dwon DCCH Security Mode Command

up DCCH Security Mode Complete

dwon DCCH Downlink Direct Transfer

up DCCH Uplink Direct Transfer

dwon DCCH RRC Connect Release

up DCCH RRC Connect Release Complete

内容

NAS：Location Updating Requet

NAS：Routing Area Update Requet

同频邻区列表（扰码号），1x事件参数。

加密命令

加密完成

NAS：Routing Area Update Accept

NAS：Routing Area Update Complete

RRC释放PS域IU信令链路。同时NAS：Authentication Request。NAS：Authentication Response

加密命令

加密完成

NAS：Location Update Accept

NAS：TMSI Reallocation Complete。同时位置更新完成。