GSM-Mobile Communication

What is GSM? GSM is the most popular standard for mobile phones in the world. GSM (Global System for Mobile communication) is a digital mobile telephony system. The first GSM network was launched in 1991 and it is the most successful digital mobile telecommunication system that is widely used in India and other parts of the world. How GSM is working? GSM uses a combination of FDMA and TDMA. The GSM system has an allocation of 50 MHz bandwidth in the 900 MHz frequency band. Using FDMA, this band is…

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