SK Telecom Completes First 5G Call with Samsung’s Commercial 5G Equipment

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SK Telecom announced that it, together with Samsung Electronics, has completed the first 5G call using the 3GPP 5G Non-standalone(NSA) new radio (NR) standard and commercial 5G NR equipment that can be readily applied to commercial 5G network. The call took place at the company’s 5G testbed located in its Bundang office building.

The first 5G NSA-NR calls were achieved by utilizing end-to-end solutions that SK Telecom and Samsung jointly developed and built for the trial on 3.5GHz 5G NR radio, 4G LTE radio and NSA core.

In NSA-NR architecture, 5G is supported by the infrastructure of legacy 4G LTE where mobile devices are connected to both 4G and 5G for data traffic, while utilizing the 4G network for non-data traffic such as exchanging signals for mobility controls. 5G NSA-NR has been considered as one of the promising 5G architectures for the initial 5G deployments

Established in 1984, SK Telecom is the largest mobile operator in Korea by both revenue and number of subscribers. As of December 2017, the company holds around 50 percent of the market, with 30.2 million mobile subscribers including 22.87 million LTE subscribers.

It has reached KRW 17.520 trillion in revenue in 2017. SK Telecom has led the advancement of mobile technologies ranging from 2G to 4G, and is currently setting important milestones in its journey to 5G.

The company is not only leading innovation in the field of mobile network, but also providing IoT, media, home and platform services. SK Telecom is determined to play a significant role in the Fourth Industrial Revolution by achieving innovations and promoting shared growth with other players in the industry.


Telecomdrive Bureau
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