It is estimated that by the end of 2021

the number of the global 5 G mobile and fi xed broadband services will reach 25 million. For the upcoming 5 G network in 2020

the standardization of 5 G by major organizations is accelerating research

and operators have also conducted tracking research in full swing. Hope that with the launch and mature of 5 G network

operators will be able to grasp the new business opportunities. This article starts with the dynamic industry

gives the detailed steps of 5 G evolution

and analyzes the various problems that 5 G network will face when it is commercial.