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With time, generations change, whether it is mankind or technological. But the biggest and fastest changes have only been noticed in the communication network generations in the last few years. We have noticed a great electronic change in wireless communication network generations ranging from 1G to 2G, 3G and 4G in a very short span.

Traditionally, there are three ways the mobile industry can add more capacity to its network: by adding more spectrum, by improving spectrum efficiency or by rolling out more infrastructure. Each generation is characterised by new frequency bands, higher data rates and non-backward-compatible transmission technology.

Presently, wireless networking devices have occupied a significant place in society due to their easy access and expanding utility. Such devices are almost surpassing the human number on the Earth, and it is unimaginable to think about a place on Earth where these technologies have not reached. People now expect a lot more applications from mobile networks, and scientists and engineers along with industries are always working to make it happen.

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1G refers to the first generation of wireless telephone technology (mobile telecommunications). These analogue telecommunications standards were introduced in the 1980s and continued until being replaced by 2G (second-generation wireless telephone technology) digital telecommunications.

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