These drones use WiFi to ‘see’ through walls

Bradley Wint
Jun 23, 2017 12:19am AST
Photo: Mostofi Lab/YouTube

What is privacy?

Researchers at the University of California, Santa Barbara have developed a method to use WiFi Received Signal Strength Indicator (RSSI) to see through walls, enabling them to develop high-quality 3D schematics of an unmapped building or area.

Using two drones (each with a large WiFi antenna), one drone blasts a signal through one side of the unmapped structure while the other receives the signal. When the signal passes through different materials, the wave strength diminishes by varying degrees, allowing them to use interpolation software to ‘see’ what’s inside that closed structure.

The drones would take measurements from multiple points around the building to generate a better picture of what’s inside.

Their demonstration as a proof of concept shows that it is possible to successfully map the inside of unknown structures. The image below gives us an idea of what the actual building looks like versus what the software was able to ‘see’ based on the readings it received.

Get your daily tech burst in your inbox!

Both Professor Yasamin Mostofi and graduate student Chitra Karanam, say that the technique can be used for emergency response efforts, archeology, and structural monitoring. Of course someone else is going to find a way to use it for other nefarious activities.

You can read up more about the project here.

Stay in the know

Subscribe to the Try Modern Tech Daily Digest for the latest tech news stories, deals, and how-to's in your inbox!

Founder/Executive Editor
PGP Fingerprint: EF2C 9B80 085C C837 3DA3 995D A864 F801 147F E619 | PGP Key
More From Technology

You can pre-order your gold-plated iPhone X starting at $7,495, with the top model costing $70k

By - Sep 11, 2017 11:06pm AST
With the iPhone X and 8 set to be announced on the 12th, iPhone accessory manufacturers are already busy at work putting the final touches on their cases and other… Continue Reading

Half of U.S. population’s data exposed in huge Equifax data breach

By - Sep 8, 2017 12:39am AST
Equifax, a US-based credit reporting agency, has confirmed that sensitive consumer data belonging to over 143 million customers was compromised earlier this year. According to the official press release, hackers… Continue Reading closes under legal pressure

By - Sep 6, 2017 11:42pm AST
Popular stream ripping site, will finally close its doors after being slammed with a legal complaints by 15 of the top global record labels. The site which allows you… Continue Reading