With 4G the promise is that you might get real mobile broadband to go.
Besides speed, several other guidelines have been traced for wireless communication standards to qualify as 4G.
There are two fundamental aspects of LTE.

This setup can either be used to increase the throughput data rates or to reduce interference.
WiMAX is a wireless broadband access standard developed and maintained by the IEEE under the 802.16 designation.
As you might have guessed, the industry players behind these 4G technologies reflect the history of each standard.