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5G Summary

5th generation of cellular mobile communications

5G also known as 5th generation mobile networks   5th Generation  

5G is generally seen as the fifth generation cellular network technology that provides broadband access. The industry association 3GPP defines any system using "5G NR" (5G New Radio) software as "5G", a definition that came into general use by late 2018. Others may reserve the term for systems that meet the requirements of the ITU IMT-2020. 3GPP will submit their 5G NR to the ITU. It follows 2G, 3G and 4G and their respective associated technologies (such as GSM, UMTS, LTE, LTE Advanced Pro, etc.). The first fairly substantial deployments were in April 2019. In South Korea, SK Telecom claimed 38,000 base stations, KT Corporation 30,000 and LG U Plus 18,000; of which 85% are in six major cities. They are using 3.5 GHz (sub-6) spectrum in non-standalone (NSA) mode and tested speeds were from 193 to 430 Mbit/s down. 260,000 signed up in the first month and the goal is 10% of phones on 5G by the end of 2019.Verizon opened service on a very limited number of base stations in the US cities of Chicago and Minneapolis using 400 MHz of 28 GHz (millimeter wave) spectrum in NSA mode. In May, download speeds in Chicago were from 80 to 900 Mbit/s. Upload speeds were from 12 to 57 Mbit/s. The round-trip delay time was 25 milliseconds. It was reported in May 2019 that Verizon's 5G service would regularly hit 1 Gbit/s in some locations. Six companies sell 5G radio hardware and 5G systems for carriers: Huawei, ZTE, Nokia, Samsung, Datang/Fiberhome, and Ericsson.

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