Key Technologies and Problems in Deployment of 5 G Mobile Communication System

With growing demand in high data speed and increase in number of subscriber which is estimated to increased by 30% in the year 2020.So, the present technology like 3G, 4G cannot support this hence there is a requirement of developing next generation mobile network which is to be called 5G network. The main aim of the paper is comprehensive study about the challenges in 5G and its possible solution. Here focus on the problems like better signal coverage , high data speed greater than 1gbps, cognitive in 5G and other key technologies is also discussed.