Wi-Vi is a new technology that enables seeing through walls using Wi-Fi signals.
It allows us to track moving humans through walls and behind closed doors. Wi-Vi
relies on capturing the reflections of its own transmitted signals off moving objects
behind a wall in order to track them. Wi-Vi's operation does not require access to any
device on the other side of the wall.
The video below shows a demo of how Wi-Vi can track the motion of a person inside a closed room.
See Through Walls with Wi-Fi!
Fadel Adib and Dina Katabi.   [PAPER]     [SLIDES]     [POSTER]
ACM SIGCOMM'13, Hong Kong, August 2013
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Tracking via Body Radio Reflections
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Smart Homes That Monitor Breathing and Heart Rate
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Multi-Person Localization via RF Body Reflections
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To Appear: SIGGRAPH Asia'15, Kobe, Japan, November 2015
New: Our work on motion tracking has led to Emerald, which we demoed to President Obama at the White House.
Emerald is a new device that detects elderly falls and monitors fall precursors including gait and balance problems, all without requiring any on-body sensor.
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