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文章主要介绍第三代移动通信TD-SCDMA系统空中接口移动台侧的信令结构,对协议栈的各层功能作简要说明,并以移动台主呼过程为例,介绍各层间接口的协调工作情况。
This paper mainly introduces the signaling structure of mobile station side of the air interface of TD-SCDMA system of the third generation mobile communication system, and gives a brief description of the function of each layer of the protocol stack. Taking the process of calling the mobile station as an example, it introduces the coordination of interfaces between layers working condition.