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5G 5th generation mobile networks

5G (5th generation mobile networks or 5th generation wireless systems) is a name used in some research papers and projects to denote the next major phase of mobile telecommunications standards beyond the 4G/IMT-Advanced standards effective since 2011. At present, 5G is not a term officially used for any particular specification or in any official document yet made public by telecommunication companies or standardization bodies such as 3GPP, WiMAX Forum, or ITU-R. New standard releases beyond 4G are in progress by standardization bodies, but are at this time not considered as new mobile generations but under the 4G umbrella.
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5G is sometimes used to refer to alternatives to these technologies based on the IEEE standards: mesh networks based on 802.11n protocol, IEEE 802.11u authentication and IEEE 802.21 handoff, the IEEE P1905 hybrid networking and the OpenFlow/OpenRadio methods of sharing backhaul (telecommunications). Almost all smartphones and tablets as of 2012 supported these standards, along with literally all notebook/laptops, and were able to prefer their (generally unmetered) use to 4G networks. However, to use these as a genuine replacement for 4G would typically require more coverage than is thought feasible outside large urban areas.

            Imagine a speed of more than 1 Gbps in 5G

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