inter && srb 笔记

inter Cell:是同一个系统小区间的切换

Inter RAT Cell:是不同的无线系统之间的切换(如GSM与WCDMA(或TD)之间的切换)。


srb0 is for rrc messages using the cch logical channel
src1  is for rrc msg which may include a piggybacked nas msg.all using dcch logical channel
srb2 is for nas msg, using dcch logical channel

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