摘要
首先提出了第四代移动通信系统(4G)及其技术特点,并对第四代移动通信系统((4G)采用的网络构架及关键技术进行了介绍。其次阐明了移动通信技术的发展方向。最后论述了第四代移动通信系统的网络安全问题。
This paper first proposes the fourth generation mobile communication systems (4G) and its technical characteristics, and presents 4G' s network architecture and key technologies including the development direction of mobile communication technology. Finally, the network security issues of the fourth-generation mobile communication system are discussed.
出处
《通信技术》
2008年第6期127-129,共3页
Communications Technology
基金
浙江省教育厅科研项目(编号:20060002)
关键词
无线移动通信
4G网络结构
无线网络安全
wireless mobile communications
4G network architecture
wireless network security