Patwari's new study points out pros and cons of adding wireless detection of breathing to the motion-detecting capability.
"A search and rescue team may arrive at a collapsed building and throw transceivers into the rubble, hoping to detect the breathing of anyone still alive inside," Patwari and colleagues write. "Police or SWAT teams may deploy a network around a building to determine if people are inside."
"On the other hand, the ability to measure breathing from a wireless network has privacy implications," they add. "We have shown previously that a network deployed around external walls of a building can detect and track a person who is moving or changing position. If this system can also detect and monitor a sleeping person's breathing, it would have additional utility for eavesdroppers or thieves."
The Study: Using Wireless Transceivers to Detect Breathing
Because of efforts to patent the new use of the wireless breathing-detection technology which has been named BreathTaking Patwari is posting his study on the online scientific preprint website ArXiv this week before submitting it to a journal for formal publication.
Patwari conducted the study with Wilson; Sai Ananthanarayanan, a postdoctoral electrical engineer; Sneha Kasera, an associate professor of computer science; and Dwayne Westenskow, a professor of anesthesiology and research professor of bioengineering. The research was funded by the National Science Foundation.
In a new study, Patwari showed a network of 20 wireless transceivers placed around a hospital bed could reliably detect breathing and estimate breathing rate to within two-fifths of a breath per minute based on 30 seconds of data.
This is different than using wireless transmitters to relay me
|Contact: Lee Siegel|
University of Utah