October 3, 2022

The Usa Herald

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The 6G is beginning to bear fruit, we are already sending 1TB in a second to a distance of one kilometer

2 min read

The development of future 6G networks is already underway. This is what has been shown by a group of Chinese researchers, who have managed to send 1 TB of data in a second to a distance of 1 km.

This record has demonstrated the enormous bandwidth that can be achieved with this type of connection, which allows us to take an incredible leap: from the 20 Gbps that can be achieved in 5G networks, we went to 1 Tbps in 6G, but we also gained in latency: from 1 ms in 5G we went to 0.1 ms in 6G.

The experiment was launched on the Beijing Olympics campus a month ago. As Professor Zhang Chao, from the School of Aerospace Engineering at Tsinghua University in Beijing, explained, with it it was possible to broadcast more than 10,000 high-definition videos simultaneously.

The result, Chao noted, showed how China is “leading global research into technologies with key potential for 6G.” In this experiment, the researchers used so-called millimeter vortex waves, a type of extremely high-frequency emission.

Today’s mobile devices use electromagnetic waves that spread like ripples in a pond to communicate. The information is represented by those peaks of ups and downs of the waves, which from a mathematical point of view only have two dimensions.

Unlike those waves, in these 6G transmissions the electromagnetic vortex waves have a three-dimensional shape: they are more like a tornado.

There are drawbacks with these waves: their size increases with distance, causing that weakening signal to complicate high-speed data transmission over long distances. To solve it, the Chinese research team used a very special transmitter to generate a smaller vortex that made the waves spin in three different ways to store more information. The receiver designed to collect that information is capable of receiving that data and decoding it in an instant.

Some call this “the beginning of a revolution” in communications technology. The Chinese government researcher making the remarks explained that what is most surprising is not the speed, but the introduction of a new physical dimension, which can lead to a whole new world of limitless possibilities.

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