questions & answers
Trends of Mobile Data - answer 2000-2005 —> Voice chat was still
dominant
2005-2010 —> Explosion of mobile applications
iPhone and Android mobile phones provide a richer experience.
2010-2015 —> Video became dominant
2015-2020 —> WiFi traffic increased 51% annually.
Wireless Technology Range - answer WAN -> Several tens of kilometers
and several kilometers
MAN -> Several hundred meters
LAN -> Several tens of meters
PAN -> Several centimeters
Generations of WiFi - answer 1G, 2G, 3G, 4G -> Past
5G -> Current since 2020
6G -> Around 2030
1G - answer Brick phones; Expensive
Analog transmission for communication