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Catching a breath -- wirelessly
Date:9/18/2011

larm systems, to help police locate hostages and even to alert out-of-town, vacationing parents if a crowd of teenagers is partying at their home during their absence.

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
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Contact: Lee Siegel
lee.siegel@utah.edu
801-581-8993
University of Utah
Source:Eurekalert  

Page: 1 2 3 4 5

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