GSM数字移动通信原理ISSUE3.3目录课程说明......................................................................................................................................1课程介绍....................................................................................................................................1课程目标....................................................................................................................................1相关资料....................................................................................................................................1第1章GSM发展简史.................................................................................................................2第2章数字移动通信技术...........................................................................................................32.1多址技术.............................................................................................................................32.1.1频分多址...................................................................................................................32.1.2时分多址...................................................................................................................42.1.3码分多址...................................................................................................................42.2功率控制..............................................................................................................................52.3蜂窝技术.............................................................................................................................52.3.1频率复用的概念........................................................................................................52.3.2频率复用方案...........................................................................................................62.3.3频率复用距离............................................................................................................6第3章GSM系统结构与相关接口...............................................................................................83.1GSM系统结构.....................................................................................................................83.1.1系统的基本特点........................................................................................................83.1.2系统的结构与功能.....................................................................................................83.2接口和协议........................................................................................................................143.2.1主要接口................................................................................................................143.2.2网路子系统内部接口...............................................................................................153.2.3GSM系统与其它公用电信网的接口........................................................................173.2.4各接口协议.............................................................................................................173.3GSM系统主要参数............................................................................................................20第4章移动区域定义与识别号.................................