https://arstechnica.com/information-technology/2019/04/millimeter-wave-5g-will-never-scale-beyond-dense-urban-areas-t-mobile-says/
> T-Mobile CTO says 5G's high-frequency spectrum won't cover rural America. > While all four major nationwide carriers in the United States have overhyped > 5G to varying degrees, T-Mobile today made a notable admission about 5G's key > limitation. T-Mobile Chief Technology Officer Neville Ray wrote in a blog > post that millimeter-wave spectrum used for 5G "will never materially scale > beyond small pockets of 5G hotspots in dense urban environments." That would > seem to rule out the possibility of 5G's fastest speeds reaching rural areas > or perhaps even suburbs. > > Ray made his point with this GIF, apparently showing that millimeter-wave > frequencies are immediately blocked by a door closing halfway while the lower > 600MHz signal is unaffected > Millimeter waves generally haven't been used in cellular networks because > they don't travel far and are easily blocked by walls and other obstacles. > This has led us to wonder how extensive higher-speed 5G deployments will be > outside major cities, and now T-Mobile's top technology official is saying > explicitly that millimeter-wave 5G deployments will just be for "small > pockets" of highly populated areas. -- Kim Holburn IT Network & Security Consultant T: +61 2 61402408 M: +61 404072753 mailto:[email protected] aim://kimholburn skype://kholburn - PGP Public Key on request _______________________________________________ Link mailing list [email protected] http://mailman.anu.edu.au/mailman/listinfo/link
