摘要
第四代移动通信系统(4G)是一个基于IP业务的无线网络集合。4G系统的目标是用户始终能连接上最佳网络,并实现无缝漫游。目前需解决网络移动性和网络体系结构问题,并验证二者的可行性。文章主要探讨与4G相关的网络移动性问题,并对未来工作提出展望。
The fourth generation mobile telecommunication system is a colle ction of wireless networks in which IP based services are provided. In this envi ronment, seamless roaming is realized and users are always connected to the opti mal network. But the two problems, namely, network mobility and network architec ture have to be resolved, and their feasibility has to be verified. In this pape r, the problems relating to network mobility are primarily discussed and further work envisaged.
出处
《电信快报》
2004年第2期19-20,23,共3页
Telecommunications Information
