China Unicom and ZTE complete 5G call with prototype smartphone
The Shenzhen field trial by China Unicom claims to be the first commercial call in NSA mode that is in compliance with 3GPP Rel-15. Known as “the City of Innovation”, Shenzhen is one of the first China Unicom 5G pilot cities with the aim of fully verifying 5G network equipment networking capabilities, special services, roaming and interconnection, as well as the inheritance of existing services in phases, thereby laying a solid foundation for a complete commercial 5G network.
The test used a 5G end-to-end system developed by ZTE, including radio access network, core network, transport network and intelligent device.
The test verified several 5G key technologies such as Massive MIMO, 5G NR, NSA dual connectivity, FlexE transport technology and 5G Common Core.
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