Samsung Networks lab head believes Virtualised RAN will see more uptake in the coming years due to its flexibility and security capabilities.
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The pair used cloud-native virtualisation and massive MIMO as part of trials to run 5G networks on C-band spectrum.
KT's new 5G service comes despite rival telcos SK Telecom and LG Uplus saying they have no plans to follow suit as it is early days for the service.
The South Korean tech giant says its 5G solutions will allow mobile network operators to build efficient 5G networks faster.
Samsung has been selected as a vendor of vRAN and 5G solutions by Vodafone - its first 5G network kit supply deal with a major European mobile operator.
South Korea's third largest carrier saw its profit jump due to rising demand for remote services, much like for its compatriots.
An earlier launch date and high sales of the Galaxy S21 series were what led to Q1 profit growth for Samsung, analysts said.
The South Korean company will close down its mobile operation by July 31.
The telco saw digital and media services grow, but demand for traditional services declined in 2020.
SK Telecom and LG Uplus saw their operating income jump over 20% in 2020 thanks to a growth in demand for 5G and remote services.