In today’s society, people live in a fast growing, rushing world, where they can spend less time on their daily tasks. They do not have enough time to eat normally, to read newspapers or to read their e-mails calmly sitting in front of their computers. Everybody would like to spend their time useful, while they commute between the residence and place of work, such as informing about the latest news, watching schedules, visiting society websites or reading e-mails. As a result of these, the usage of wireless internet became common in the society. The spread of smart phones and mobile internet are provided by the mobile suppliers which showed significant development in the last decade help to achieve these aims.
Guglielmo Marconi made the first experiment with radio communication in the 1890s. The road to the truly radio communication is very long. To understand the complex mobile-communication systems of today, it is important to know where they came from and how cellular systems have evolved. Mobile communication technologies are often divided into generations. 1G is the analog mobile radio system of the 1980s, 2G is the first digital mobile system, 3G is the first mobile system handling broadband data and 4G is the Long- Term Evolution (LTE) .