What do you know about mobile communication standards?

In the early days of mobile telecommunications, there were a number of different national bodies that spent time developing their own standards for their own countries or regions. This led to a situation where European phones would not work in America or Asia and expensive multistandard phones were needed for international travel.

The solution came several years ago when a number of standards bodies and mobile telecom operators got together to form the 3G Partnership Project (3GPP) to develop future generations of mobile telephone systems with a general agreement to use the same standards worldwide. 3G was the first of these new collaborative endeavors to be released

3G smartphones can operate more or less seamlessly anywhere in the world, not only as a voice system but also for data distribution and internet access.

Long Term Evolution – LTE 
Building on this success, the 3G mobile standard was