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Unsourced material may be challenged and removed. Oslo, Norway, and Stockholm, Sweden since 2009. IMT-Advanced compliant, but are often branded 4G by service providers. According to operators, a generation of the network refers to the deployment of a new non-backward-compatible technology. On December 6, 2010, ITU-R recognized that these two technologies, as well as other beyond-3G technologies that do not fulfill the IMT-Advanced requirements, could nevertheless be considered “4G”, provided they represent forerunners to IMT-Advanced compliant versions and “a substantial level of improvement in performance and capabilities with respect to the initial third generation systems now deployed”. Services were expected in 2013. While the ITU has adopted recommendations for technologies that would be used for future global communications, they do not actually perform the standardization or development work themselves, instead relying on the work of other standard bodies such as IEEE, The Wi MAX Forum, and 3GPP.
Be based on an all-IP packet switched network. Be able to dynamically share and use the network resources to support more simultaneous users per cell. 20 MHz, optionally up to 40 MHz. Hz in the downlink, and 6. Smooth handovers across heterogeneous networks. Basically all proposals are based on two technologies. The latter’s standard versions were ratified in spring 2011, but are still far from being implemented.