Changes
/* Definition of 4G */
According to the 4G working groups, the infrastructure and the terminals will have almost all the standards from 2G to 3G implemented. The infrastructure will however only be packet based, all-IP. The system will also serve as an open platform where the new innovations can go with it.
* WiMAX
* WiBro
* 3GPP2 Ultra Mobile Broadband
*Wireless broadband access
*Multimedia Messaging Service
*Minimal service like voice and data
* A spectrally efficient system (in bits/s/Hz and bit/s/Hz/site)
* High network capacity