Georgia Tech
The Truth Behind the Vaccines

New Device Uses Ambient 5G to Wirelessly Power Your Devices

byVictor Tangermann
Mar 29
Georgia Tech

5G may have another trick up its sleeve.

5G Power

A team of researchers from Georgia Tech has created a 3D printed antenna that can harvest electromagnetic energy from 5G signals and use it as a power source.

The researchers claim the technology could one day turn 5G networks into “a wireless power grid” for small internet-connected devices and sensors — a fascinating alternative, or augmentation, for battery-powered gadgets.

The main difficulty of creating a tiny antenna capable of harvesting enough power is the fact that they have a very limited field of view.

“We’ve solved the problem of only being able to look from one direction with a system that has a wide angle of coverage,” said senior researcher Aline Eid, lead author of the paper, published in the journal Scientific Reports back in January, in a statement.

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It also doesn’t matter which way it’s pointing. “With this innovation, we can have a large antenna, which works at higher frequencies and can receive power from any direction,” Jimmy Hester said, senior lab advisor. “It’s direction-agnostic, which makes it a lot more practical.”

The device works because the Federal Communications Commission authorized 5G networks to focus power far more densely as compared to preceding generations of cellular networks.

Replacing Batteries

The team created a palm-sized antenna using specialized 3D printing techniques that can harvest energy via millimeter waves. It’s not a huge amount of energy: only about six microwatts standing around 600 feet from the next 5G transmitter.

But that might not matter, given the researchers’ intended use case for the antennas. The researchers argue that their invention could end up replacing “millions, or tens of millions, of batteries of wireless sensors, especially for smart city and smart agricultural applications,” according to Georgia Tech professor and co-author Emmanouil Tentzeris.

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READ MORE: Energy-harvesting card treats 5G networks as wireless power grids [New Atlas]

More on 5G: Artist Uses 5G Robot to Tattoo Somebody In A Different Location


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