CDMA网规网优客户培训教材---原理篇-76VIP免费

CB_001_C1CDMA基本原理篇课程目标：了解CDMA-95系统、1x系统发展历史、一般特点掌握码在CDMA系统中的应用理解CDMA信道分类以及各信道功能掌握CDMA关键技术原理参考资料：ZXC10-BSS1XCDMA蜂窝移动通信系统基站子系统现场培训指导手册（V2005-01）CDMA空中接口技术CDMA移动通信网络优化目录第1章CDMA概述......................................................................................................................................11.1引言.....................................................................................................................................................11.2移动通信发展史及CDMA标准........................................................................................................11.2.1第一代蜂窝移动通信系统........................................................................................................21.2.2第二代蜂窝移动通信系统........................................................................................................21.2.3第三代蜂窝移动通信系统及CDMA标准..............................................................................21.3ZTE和cdma2000................................................................................................................................61.3.1中兴cdma2000研发历史.........................................................................................................61.3.2中兴cdma2000产品概述.........................................................................................................71.4复习题.................................................................................................................................................8第2章CDMA基本原理..............................................................................................................................92.1引言.....................................................................................................................................................92.2扩频通信技术.....................................................................................................................................92.2.1扩频通信的理论基础................................................................................................................92.2.2扩频与解扩频过程..................................................................................................................102.2.3处理增益与抗干扰容限..........................................................................................................112.2.4扩频通信技术特点..................................................................................................................112.3多址技术...........................................................................................................................................122.4CDMA系统的实现...........................................................................................................................132.4.1CDMA扩频通信原理.............................................................................................................132.4.2CDMA扩频码的选择.............................................................................................................142.5语音编码技术...........................................................................................................