Japanese firms NTT DOCOMO and NEC Corp have been working together to broadcast 8K content back onto a moving train, ZDNet reports. In a press release confirming the development, NEC noted that during the trial – completed in November 2018 – 8K ultra-high-definition live video featuring a steam locomotive train was transmitted from a 5G base station installed along a railroad to a 5G mobile station located inside a running SL train and put on an 8K display. The vendor pointed out that the base stations used support the 4.5GHz and 28GHz bands, with the test itself forming part of a Japanese government project to examine the outdoor use of 5G systems that have average data speeds of 4Gbps to 8Gbps.
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