6G Communication Myths, Explored by IDTechEx

Only 6G can widely serve the exponential growth beyond 500 billion connected machines in 2030, real-time holographic communication, the future of virtual reality and empowerment of the poor in realistic timeframes. Expect cell-less communications and Wireless Information and Energy Transfer. WIET is 26 billion passive-RFID tags yearly (IDTechEx analysis). Some sense at the instant of being interrogated. 6G WIET promises that on steroids, even charging your smartphone. Only 6G can widely serve...

Only 6G can widely serve the exponential growth beyond 500 billion connected machines in 2030, real-time holographic communication, the future of virtual reality and empowerment of the poor in realistic timeframes. Expect cell-less communications and Wireless Information and Energy Transfer. WIET is 26 billion passive-RFID tags yearly (IDTechEx analysis). Some sense at the instant of being interrogated. 6G WIET promises that on steroids, even charging your smartphone.

6G will serve airliners at 10 km using Free Space Optical FSO links and deep underwater with fiber-optic links. Internet of Things nodes real-time monitoring billions of trees and ocean oil spills in 3D, billions in concrete structures? Hold on. This sits awkwardly with the consensus that local 6G has to be at terahertz frequencies to get magnitude-or-more improvements in data-rate, capacity, and latency. Terahertz is the Wild West of physics and electronics: little understood, even less demonstrated. They call it the Terahertz Gap. However, this we know. Beam spreading and attenuation, combined with feeble transmission technologies, currently limits these sad pencil beams to a few meters on earth. They are stopped dead by almost anything. We may need electronic wallpaper to get them round the house and many electronic billboards boosting and redirecting them outside.

Raghu Das, CEO of analysts IDTechEx, advises, "Massively-deployed Reconfigurable Intelligent Surfaces RIS are known by six other names just to confuse you. They will be essential for 6G to boost, redirect, collimate, polarise and otherwise manipulate those feeble THz beams using metamaterials embedding new active devices."

Even at this early stage, some myths are emerging. They are:

For more information on this report, please visit www.IDTechEx.com/6GComms, or for the full portfolio of 5G and 6G related research available from IDTechEx please visit www.IDTechEx.com/Research/5G.

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