According to forecasts, commercial testing of 5G networks is set to begin in 2020. But, in the meantime, LTE-Advanced PRO already allows you to use technologies that will be included in 5G.
Surfing on the Internet a few weeks ago, I came across what I considered to be a very interesting article. An English University is setting up an innovation center for 5G technology. They have even constructed a dedicated building for 5G investigation.
Mobile Internet becomes more and more popular. Whereas mobile Internet has only been used for email checking, it is now used for the same applications as the Internet by cable: surfing the Internet, playing online games, listening to music or streaming videos and films. In addition to this trend there is a further development: The Internet of Things on which more and more devices are connected to the network and among each other. For this increasing demand, the capacity of the 4G standard will not be sufficient anymore.