Mobile communications has become an everyday need of everyone .
it is important to understand how cellular systems have evolved. The task of developing mobile technologies has also changed, from being a national or regional concern, to becoming an increasingly complex task undertaken by global standards-developing organizations such as the Third Generation Partnership Project (3GPP) and involving thousands of people.
1G : Being the analog mobile radio systems of the 1980s,
2G : The first digital mobile systems, and
3G : The first mobile systems handling broadband data.
4G : The Long-Term Evolution (LTE) is often called “4G”, but many also claim that LTE release 10, also referred to as LTE-Advanced, is the true 4G evolution step, with the first release of LTE (release 8) then being labeled as “3.9G”.
This is in fact just a matter of labels. What is important is the actual system capabilities and how they have evolved.
I will be trying to explain the LTE technology.
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