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SK Telecom says its 5G rollout is moving quicker than expected

SK Telecom 5G car

The incremental crawl towards 5G is going slightly faster in South Korea, if SK Telecoms latest boasts are to be believed.

Its trial 5G network in Bundang was augmented with a relay repeater operating in both the 3.5 GHz and 28 GHz bands. The main point of this sort of thing is to overcome the propagation issues faced when using higher frequency spectrum – i.e. it doesn’t penetrate walls very well. The obvious solution to this is to install boosters anywhere the main 5G signal is struggling to reach.

One interesting nugget within this news is a partnership with SK Telesys to develop an in-building relay repeater, which can deliver 5G radio signals in 3.5 GHz using the existing mobile communications infrastructure installed inside buildings.

In another demo SK Telecom collaborated with Samsung to do a 360-degree VR video call via a tablet device. The big deal here is that the call was even maintained while moving around a high-rise urban environment, thus demonstrating the ability to keep a high bandwidth connection going in spite of real-world challenges, thanks to bits of 5G cleverness such as beamforming.

“The success of 5G wireless communications in the real-world environment will give us momentum to accelerate our effort to roll out 5G service earlier than expected,” said Park Jin-hyo, Head of Network Technology R&D Center at SK Telecom. “We, at SK Telecom will continue to develop our capabilities to rollout 5G networks in order to offer differentiated services to our customers.”

All this talk of thongs happening ‘earlier than expected’ has limited resonance without stating what those expectations were. Nonetheless the steady stream of claimed 5G firsts from South Korea contribute to the sense that it’s the current front-runner in the race to 5G. Now make some money out of it SK Telecom – then we’ll be impressed.

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