Gumstix-based surveillance devices
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When you walk or run the Nike + iPod sensor in your shoe will transmit messages using a wireless radio. These messages contain a unique identifier that can be detected from 60 feet away. This information is potentially private because it can reveal where you are,Oakley Sunglasses Outlet, even when you'd prefer for a bad person to not know your location.
Q: Why is it a problem if my Nike + iPod kit sensor transmits a unique identifier when I walk or run?
A: The unique identifier can reveal your presence to nearby receivers. Since the unique identifier doesn't change over time, someone could use the sensor's broadcast messages to track which locations you visit,Tiffany online store, and when you visit them. A bad person could use this information to compromise your personal privacy and safety. We describe specific example scenarios, like stalking,Oakley Sports Sunglasses, in our paper.
Q: Would it be hard to track someone?
A: No. It is easy to track someone who has a active Nike + iPod kit sensor in their shoe.
We have built several mechanisms for detecting and tracking Nike + iPod shoe sensors.
Windows XP-based surveillance devices:
We developed a mechanism for attaching a Nike + iPod receiver to a Windows XP laptop via a USB port. When someone wearing an active Nike + iPod sensor walks near one of our laptops,Nike outlet store, the laptop's attached Nike + iPod receiver will detect the sensor's broadcast messages and will relay information about those messages to the laptop. The laptop will then display the sensor's unique identifier on the screen. The laptop will also use WiFi to upload information about the observed sensor to a back-end database. This latter step allows our Windows XP machines to serve as participating nodes in a larger surveillance system.
Gumstix-based surveillance devices:
We also made a cheap and small Nike + iPod surveillance device from commercially available miniature gumstix computers. Our gumstix surveillance devices also use WiFi to upload real-time surveillance data to a back-end database, thereby allowing the gumstixs to serve as participating nodes in a larger surveillance system.
The gumstix-based surveillance device is small enough to hide in the environment, such as in the bushes near a running trail or under someone's desk, and can detect nearby Nike + iPod sensors up to 60 feet away.
It would also be easy for anyone else to build their own gumstix-based surveillance device,Nike outlet sale, and the total cost for a full,Discount Oakley Sunglasses,Nike outlet online,Tiffany sale, WiFi-enabled gumstix surveillance node is under $ 250 (USD). The node would be cheaper if one prefers not to use the WiFi capabilities.
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