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 Tiny sensors tracked

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Date posted: 10/11/2005

Researchers from Vanderbilt University have come up with a way to determine the position of individual sensors when you have a network of tiny, inexpensive sensors scattered throughout an environment, almost willy-nilly.

The method measures radio signal interference using the radiowaves sensors use to communicate with each other, across several sensors in a network to determine the strength of a given sensors' signal. The method works in networks of as few as six sensors.

The researchers' prototype located sensors to within three centimeters at ranges of up to 160 meters.

See the full Story via external site: trnmag.com



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