5G概述及关键技术简介

第五代通信系统是面向2020年以后人类信息社会需求的无线移动通信系统,它是一个多业务技术融合的网络,通过技术的演进和创新,满足未来广泛的数据、连接的各种业务不断发展的需要,提升用户体验。本文首先介绍5G的概念,然后阐述了5G的性能指标,重点对5G的关键技术进行论述,这些关键技术包括新型多天线技术、高频段的使用、同时同频全双工、设备间直接通信技术、自组织网络。

Overview and Introduction of the Key Technologies of 5G

The fifth generation communication system is a wireless mobile communication system that is adapt to the need of hu-man information society. It is a multi technology and business fusion network, meeting the development needs of future extensive da-ta and connected various businesses with the evolution of technology and innovation, improving the user experience. This paper first-ly introduces the concept of 5G, and then expounds the performance index of 5G. The paper points out the key technologies of 5G which including the new multi-antenna technology, the use of high frequency, co-frequency co-time full duplex, D2D technology, self-organizing network.