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DoCoMo, Nokia Trial 8K Video Over 5G Connection


DoCoMo, Nokia Trial 8K Video Over 5G Connection

NTT DOCOMO has achieved the world’s first wireless real-time transmission of 8K video deploying radio access technology for 5G mobile communications systems, in a trial jointly conducted with Nokia recently.


The transmission of ultra-high-resolution 8K video was achieved by a combination of an experimental system jointly developed by DOCOMO and Nokia, and H.265/HEVC encoding techniques developed by NTT Media Intelligence Laboratories. The system uses beam-tracking techniques to transmit millimeter wavelength signals at an extremely high frequency of 70GHz.

In the trial, 8K video of 48Gbps—a bit rate four times greater than 4K video and 32 times than Full HD—was compressed by the encoder into signals ranging from 145Mbps to 85Mbps and successfully transmitted without delay.

DOCOMO and Nokia have been collaborating since May 2014 to develop radio access technologies for future 5G mobile networks. Recent achievements include ultra-high-speed data transmission in excess of 2Gbps at the Roppongi Hills high-rise complex in Tokyo.

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