GSM数字移动通信原理VIP免费

课程MA000001GSM数字移动通信原理ISSUE3.3MA0000GSM数字移动通信原理Issue3.3目录目录课程说明.......................................................................................................................................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.................................................................................................