科技引领未来,数字化技术的变革带动了移动通信领域的迅猛发展.在短短不到20 年间,从过去的2G/3G 网络,到现在不断扩建的4G 网络,不同程度上掀起了移动通信技术的层层革新.从过去单一的语音业务到移动通信宽带多媒体业务的飞跃式发展,不断提升的用户体验给人们的生活带来了巨大变化.因此,对于5G 移动通信技术的研究,势必成为业界各大设备商和运营商关注的焦点.同时,我国政府为加快5G 研发,将国家重大专项科技课题全面部署于涵盖5G 标准研究、关键技术和产品研发等领域,5G 技术将给诸如工业、医疗、交通等领域带来巨大的变革.可见,第五代移动通信技术与我国经济的发展有着密不可分的联系.因此,将立足于5G 移动通信的技术需求,阐述5G 技术基本概念,介绍5G 主要技术特征及其应用场景,并重点详解5G 移动通信核心网涉及的部分关键技术.%Science and technology leads the future, and the revolution of digital technology has led to the rapid development of mobile communicationso In less than two decades, from the 2G/3G networks to the ever-expanding 4G network, there have been various levels of innovation in mobile communications technology. In the past, the rapid development from the single voice service to a mobile broadband multimedia service, has continuously improved user experience, and brought great changes to people's lives. So, The research on 5G mobile communication technology has become to the focus of the global manufacturers and operators in the communications field. Meanwhile, in order to speed up the development of 5G, our government has deployed the national science and technology projects in the fields of 5G standard research, key technologies and product development, and the technology of 5G will also bring great changes in areas such as industry, medicine, transportation and so on. Thus it can be seen, the fifthg eneration of mobile communication technology and the economy of our country all tie in together. This paper will be based on the demand of 5G mobile communication technology. Firstly, summarize the basic concepts of 5G technology; Secondly, introduces the main technical features and application scenarios of 5G; Finally, we will focus on the part of the key technologies involved in the5G mobile communication core network.
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