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Can We Use Wi-Fi To See Through Walls?

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 Science   |   Technology
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We use Wi-Fi to stay connected, but Yasamin Mostofi shows that Wi-Fi can also be used to sense the world around us – even behind walls.

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The world wants to be connected to the internet at all times, and as a result we're bombarded by Wi-Fi almost everywhere we go. Yasamin Mostofi, Associate Professor in the Department of Electrical & Computer Engineering at UC Santa Barbara, wanted to know can we use them not just for connectivity, but for sensing?

Using nothing more than a Wi-Fi card and a receiver, Mostofi has shown that it’s possible to see through walls – useful for search and rescue – as well as sense the number and location of people in a building, which could transform smart lighting and HVAC technology.

Learn more about Yasamin Mostofi’s work on using Wi-Fi to sense the environment:
- How Wi-Fi can give us x-ray vision:

The research highlighted in this video has been supported in part by a National Science Foundation CAREER award.

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Fig. 1 explores new ideas and research out of the University of California – ranging from science, technology, art and humanities. Get inside the mind of a researcher.

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