Since the 1980s mobile communication has undergone major transitions from 1G to 4G at a rate of roughly one generation per decade. And the next upgrade is set to come soon with 5G heralding a new era of largebandwidth Internet and a multiconnection lowlatency Internet of Everything.5G technology will be the standard for nextgeneration mobile Internet and it will not only enhance the individual users experience but also provide technical support for artificialintelligencebased applications such as smart manufacturing smart healthcare smart government smart cities and driverless cars. As a result 5G is regarded as the infrastructure of the industrial Internet and artificial intelligence and both China and the United States are striving to become the 5G leader and spearhead this new generation of international mobile communication standards.