Wi-Vi: See Through Walls with Wi-Fi Signals
Fadel Adib      Dina Katabi

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.

Publications: See Through Walls with Wi-Fi!
Fadel Adib and Dina Katabi.   [PAPER]     [SLIDES]     [POSTER]    
ACM SIGCOMM'13, Hong Kong, August 2013

Also Check Out: 3D Tracking via Body Radio Reflections
Fadel Adib, Zach Kabelac, Dina Katabi, Robert C. Miller   [PAPER]     [SLIDES]     [VIDEO]    
Usenix NSDI'14, Seattle, Washington, April 2014

Smart Homes That Monitor Breathing and Heart Rate
Fadel Adib, Hongzi Mao, Zach Kabelac, Dina Katabi, Robert C. Miller   [PAPER]     [VIDEO1]     [VIDEO2]    
CHI'15, Seoul, South Korea, April 2015

Multi-Person Localization via RF Body Reflections
Fadel Adib, Zach Kabelac, Dina Katabi   [PAPER]    
Usenix NSDI'15, Oakland, California, May 2015

New: Capturing the Human Figure Through a Wall
Fadel Adib, Chen-Yu Hsu, Hongzi Mao, Dina Katabi, Fredo Durand  [PAPER]     [VIDEO]    
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.

© Massachusetts Institute of Technology