移动通信网络的演进  

Evolution of Mobile Communication Networks

作　　者：肖建华[1] 张平[1] 

机构地区：[1]北京邮电大学无线新技术研究室

出　　处：《现代电信科技》2002年第10期1-5,共5页Modern Science & Technology of Telecommunications

摘　　要：首先介绍蜂窝电话系统的发展,包括GSM,CDMA,TDMA和PDC等4种第二代系统,以及通用移动电信系统(UMTS)和cdma2000两种第三代技术。接着讨论GSM/GPRS、UMTS版本3、全IP、cdma2000和无缝的网络结构,详细分析了移动网络从电路交换到分组交换,然后向全IP网络结构演进,最后实现不同接入技术之间互联的必然趋势。The development of cellular mobile phone system is firstly intro-duced in this paper,including four kinds of 2G systems:GSM,CDMA,TDMA and PDC,as well as two kinds of 3G technologies,namely UMTS and cdma2000.Then,GSM /GPRS,UMTS version3,all-IP,cdma2000and seamless network archi tectures are discussed.The developing trend of mo -bile networks from circuit switching to packet switching,and fur ther to all-IP network architecture and the realization of internetworking between different access technologies are discussed.

关 键 词：移动通信网络 GSM GPRS UTRAN 全IP网络 通用移动电信系统 CDMA 2000 

分 类 号：TN929.5[电子电信—通信与信息系统]