说明：  第5 代移动通信系统(5G) 是面向2020 年之后的新一代移动通信系统, 其技术发展尚处于探 索阶段. 结合国内外移动通信发展的最新趋势, 本文对5G 移动通信发展的基本需求、技术特点与可 能发展途径进行了展望, 并分无线传输和无线网络两个部分, 重点论述了富有发展前景的7 项5G 移 动通信关键技术, 包括大规模天线阵列、基于滤波器组的多载波技术、全双工复用、超密集网络、自 组织网络、软件定义网络及内容分发网络. 本文还概括性地介绍了国内5G 移动通信的相关研发活 动及其近期发展目标.
(The 5th generation mobile communication system (5G) is a new generation mobile communication system after 2020, and its technological development is still under exploration Cable stage. Combined with the latest trend of mobile communication development at home and abroad, this paper presents the basic needs, technical characteristics and feasibility of 5G mobile communication development The way of energy development is prospected, and divided into two parts: wireless transmission and wireless network The key technologies of mobile communication include large-scale antenna array, multi-carrier technology based on filter bank, full duplex multiplexing, super dense network and self - Organization network, software defined network and content distribution network. This paper also introduces the research and development of 5G mobile communication in China Action and its recent development goals.)