Hyundai Engineering & Construction has received Korean government approval to apply TVWS (TV White Space) to enable seamless data communication throughout the tunnels. TVWS is the spectrum of TV frequencies not used for broadcasting.
This improves safety of tunneling workers.
This technology does not need repeaters (LTE).
Everything explained in Hyundai E&C press information in English and Aju Business Daily.
https://www.ajudaily.com/view/20221025145914260
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.ajudaily.com/view/20221025145914260
Hyundai Engineering & Construction wins approval to demonstrate TV frequency-based wireless communication for underground tunnels
www.ajudaily.com[Courtesy of Hyundai Engineering & Construction ]SEOUL -- Hyundai Engineering and Construction, a major builder in South Korea, won government approval to use a new wireless solution that enables undisrupted communication from the surface to deep...