第四代移动通信系统研究

在第三代移动通信系统开展应用的同时,关于第四代移动通信系统的研究已全面展开。目前世界发达国家都在积极进行第四代移动通信技术规格的研究制定工作。通过从4G移动通信系统的产生背景以及特点引入,介绍了4G移动通信系统的网络架构及其关键技术,回顾了全球4G的发展状况,最后对我国第四代移动通信系统的发展进行了展望。

Discussion of the Fourth Generation Mobile Communication System

While the third generation mobile communication system is applied,the study of the fourth generation mobile communication has begun.At present,the developed country in the world throw themselves into the research and establishment of the standard for 4G mobile communication technology.Starting with the background of the fourth generation mobile communication system and its characteristic,this article introduces the network frame of the fourth generation mobile communication system as well as its key techniques and reviews the development of the global 4G.At last,it foresees the future of 4G mobile communication system.