Terahertz – 105Gbps Wireless Internet Now Possible!

105Gbps high speed wireless network connectivity is now possible thanks to utilizing a new transmitter that uses an unused frequency range paired with QAM[2] modulation.

In a recent press release from a partnership between Hiroshima University, Panasonic, and the National Institute of Information and Communications Technology; we learned the group was able to successfully develop and test the new transmitter that exceeded 100Gbps (10x faster than 5G).

To explain what this speed translates to, Professor Fujishima said, “At this data rate, the whole content on a DVD (digital versatile disk) can be transferred in a fraction of a second.”

The new transmitter works by utilizing the frequency range of 290-315Ghz (currently unused). To achieve this speed the transmitter utilizes quadrature amplitude modulation (QAM)[2]. This modulation scheme is the same technology currently used to increase bit rates in fiber optics.

QAM[2] works by splitting bits before transmitting them; allowing them to be sent in two equal -yet separate- inverted waves that are then re-constructed at the receiving end. This allows us to have the high data rate that fiber optics has while also achieving minimal latency thanks to the microwave’s frequency.

This technology, which could be available as soon as 2020 after the 2019 World Radiocommunication Conference, would open up possibilities of ultra-high speed internet available globally as well as a much better wireless experience within airplanes.

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8 Comments

  1. Hey again Igor! I’m excited too! I live in a rural part of the states and this opens up great opportunity for folks where traditional cable/dsl lines can’t reach. The advancements in wireless technology over the past 10 years have been astounding. I hadn’t heard about Google’s plans for internet through solar panels. That would have been interesting! I could see Elon Musk entering this field since he owns both SolarCity as well as SpaceX

  2. Solar powered PLANES was was my thought 😉 . At least I guess it wasn’t long ago that they have ditched the idea and sold the business and now I can see Facebook following them as they too have been working on the idea of bringing internet to everybody (think they were going the baloon way though) but by the time they would actually put it in place this new “6G” tech will make it obsolete.

  3. Hi Vince

    A few thoughts from Blighty.

    AIRCRAFT:
    In general it is not a bad idea, however radio frequency in the GHz band are quite susceptible to moisture, if you fight Mother Nature she always wins, flying through cloud, fog, and rain will cause performance degradation.

    The actual RF gets absorbed by the surrounding moisture, see attached Wikipedia for the explanation. It is a nice idea for entertainment and passenger communication, but not for safety critical communication, which will remain VHF (100’s miles range) and HF (1000’s miles range).

    On important thing to bare in mind the aircraft is moving and therefore the ‘satellite dish’ on the aircraft has the track the satellite in space whilst in motion, therefore it will not always be pointing in the optimal direction of the satellite and therefore will not always get the optimal data through put.

    FIXED Locations:
    Very Small Aperture Terminal (VSAT) is relatively inexpensive way to obtain satellite broadband, which has been around for quite sometime, however it has normally provided up to 16Mbps, never before has 100Gbps potentially been available, factoring in Specific Absorption Rate.

    VSAT utilise Demand Assigned Multiple Access (DAMA) which permits more users than theoretically is possible, and is a highly efficient use of available bandwidth.

    Original Sources:
    Specific Absorption Rate (https://en.wikipedia.org/wiki/Electromagnetic_absorption_by_water)
    VHF Radio (https://en.wikipedia.org/wiki/Very_high_frequency)
    HF Radio (https://en.wikipedia.org/wiki/High_frequency)
    Aircraft Tracking Satellite Dish (http://archive.da.aero/images/intelligence/content/201203/AIS-2000_lg.gif)
    VSAT (https://en.wikipedia.org/wiki/Very-small-aperture_terminal)
    DAMA (https://en.wikipedia.org/wiki/Demand_Assigned_Multiple_Access)

    Hope all is well.
    regards
    Chud

    Mubdi ‘Chud’ Choudhury
    Node Systems Ldt
    LinkedIn: uk.linkedin.com/in/nodesystems
    FB: https://www.facebook.com/nodesystems/
    Twitter: @NodeSystems

  4. Wouldn’t QAM2 be QPSK, and not QAM at all? Or did they get away from the technical naming standards in this development? I haven’t read up on any of this, but it seems a lot something I was watching a few years ago, but lost track of. If this IS the same project, I know they were having a lot of problems keeping the constellation tight enough at the frequencies they were trying to use to get a usable carrier wave, due to the bit errors being too high; Honestly, I don’t think they could get the MER into the twenties, let alone the thirties where a usable carrier would reside. It would be great if they actually were able to get this concept working, and into the commercial sector, but there are a lot of roadblocks.

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