Tuesday, January 5, 2010

See Through Walls Using a Wireless Network

Researchers at the University of Utah have developed a way to use wireless signals to detect movement through solid walls and doors.


Photo Courtesy: Gizmodo

The technique, called variance-based radio tomographic imaging, processes signals from a 34-node IEEE 802.15.4 wireless network. It's the protocol for personal area networks used by home automation systems such as ZigBee

More: Gizmodo

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