5G网络正在全球加速推进部署，

5G被认为是个人消费体验升级和行业数字智能化转型的关键之一。全球的主

要经济体均明确要求将5G作为长期产业和社会基础设施发展的重要一环。首先分析了5G的发展现状、网络演进的驱动力和

趋势，之后分析一些网络演进关键技术，最后总结了文章重点，对一些已识别出来但是尚待深入研究的技术方向做出展望。

5G network is accelerating the deployment all over the world. 5G is considered to be one of the keys to the upgrading of

personal consumption experience and the transformation of industry digital intelligence. Major economies all over the world clearly

require 5G as an important link in the development of long-term industrial and social infrastructure. Firstly, this paper analyzes the

development status of 5G, the driving force and trend of network evolution; then carries out in-depth research on some key technologies of network evolution; finally summarizes the key points of the article, and looks forward to some identified technical directions that need to be further studied.