From the first generation network t

From the first generation network to the fourth generation network, the development of information technology makes the network more and more mature and provides more and more functions. At present, the widely used 4G network realizes the broadband of wireless network and basically meets the development of mobile communication services. However, the pace of technological development has never stopped, and the needs of users are constantly changing. The emergence of social network, cloud computing and vehicle Internet has put forward higher requirements for network speed, security and security, and the next generation communication network 5g came into being. At present, a large number of technicians and companies have begun to study 5g network. In order to make this technology develop rapidly, it is necessary to analyze the key technologies of 5g network and pay attention to the application status and development trend of 5g network.