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Major improvements to cellular networks

The first-generation cellular systems converted your voice to an analogue signal.
The second-generation systems digitized your voice, then send it as a data link to improve stability and security. It could also transmit data across, making it useful to send photos or information, but data moved too slow.
Subsequent cellular network generations used increasingly wider bandwidths and were powered by a denser network of base stations.

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created an idea from a article:

THECONVERSATION

What's cellular about a cellphone?

theconversation.com

MORE IDEAS FROM THE SAME ARTICLE

Wireless communication before cellular technology

The Marconi system made a radio link between systems, which was the size of a building. Eventually, people put up a radio system at a high point in the city, then those with the right kind of radio could talk to the high point.

What to expect from 6G technologies

It is not certain which technologies developed now will be used in 6G networks, but the following are possibilities:

How cellular systems are different

Phones need to be close to the base station for a good signal. Many cell towers mean you can talk to the one that's closest to you.

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