A Survey on Evolution of Mobile Networks:1G to 4G

In this paper, we discuss generations of mobile networks and its step by step evolution. Mobile communications using wireless technology began in 1970s known as zeroth generation. Today it has reached till fourth Generation and several researchers are working on the designing and architectures of 5G. So here we focus on technologies associated with each generation and how the previous generations have helped the next generation to evolve and serve as a core technology by fulfilling the user’s requirement.