Abstract

Abstract: Wireless communications is the transferring of information between two or more points which are not physically connected. Wireless mobile communication is being used from many years, but day by day Need of facilities on mobile is increasing, so time to time next integrated Versions of network is introduced. Distances can be short, which is used for television remote control and even far distance which is used for deep-space radio communications. Latest version is 5G, but only some countries are using 5G wireless network. 5G network is strong and very fast wireless communication network, it is and it will fulfill most of the requirement of users. But it is not end of the desires, the paper deals with the evolutions of technologies and its advantages and meet desires of user next generation of mobile network also introduced 6G. This paper is about introduction and advancement of 6G & 7G for future. Keywords: 1G, 2G, 3G, 4G, 5G, 6G, Handover, TDMA, CDMA, GSM, smart antenna.

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