A Brief History of Communication
From 1G to 5G, what have we experienced?
1G—The first commercially automated cellular network (the 1G generation) was launched in Japan by Nippon Telegraph and Telephone (NTT) in 1979. In order to facilitate communication between senders and receivers, standards for communication were needed. The early mobile communication standard was dominated by the standard set by Motorola. There are two important parts of this: (1) Describe the sending and receiving of information, that is, the phone number and (2) The way the information is encoded.
2G—In the 1980s, companies represented by Nokia began to develop a new generation of mobile communication devices that could make calls and send text messages. 2G ...
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