论文部分内容阅读
4G也就是第四代移动通信及其技术,它是将3G和WLAN集于一体并且能够传输质量高的视频图像及与高清晰度电视图像传输质量差不多的一种技术产品。本文就4G的网络结构、该系统中的关键技术、4G相对于3G在技术指标和技术应用方面的优势以及我国第四代通信系统的发展进行了简要介绍,同时,结合个人对于4G的了解,分析推广4G网络面临的困难。
4G, the fourth generation of mobile communications and its technology, is a technology that brings together 3G and WLAN and is capable of delivering high-quality video and of the same quality as high-definition television. In this paper, the 4G network structure, the key technology in the system, 4G relative to the advantages of 3G in the technical indicators and technical applications and the development of China’s fourth generation communication system are briefly introduced. At the same time, combining the individual’s understanding of 4G, Analyze the difficulties in promoting 4G network.