摘要
无线移动通信技术的发展经历了三个阶段:第一代是模拟移动通信网络,如AMPS、TACS等;第二代是数字移动通信网络包括GSM、CDMA等;第三代则是分组型移动通信网络,简称为3G。本文主要对整个通信技术做一个概略式的回顾并对其主要业务类型进行了分析。
The development of wireless mobilecommunication technology is divided into three ears.The first era is analog mobile communication network,such as AMPS, TACS etc. The second era is digitalmobile communication network, including GSM, CDMAetc. The third era is packet switching mobilecommunication network whose abbreviation is 3G.Thisarticle is a compendious description of thecommunication technology and analysis of the maintype of operation.
出处
《信息技术与标准化》
2003年第1期18-22,共5页
Information Technology & Standardization
关键词
第三代移动通信
模拟移动通信
数字移动通信
3G
analog mobile communication system
digital mobile communication
the third era mobilecommunication system
