WiFi without Batteries

WiFi without Batteries

Thanks to HitchHike, a low power tag reflects existing 802.11b transmissions from a commodity WiFi transmitter, and the backscattered signals can then be decoded as a standard WiFi packet by a commodity 802.11b receiver. WiFi is well-known to be power-hungry. Commodity WiFi radios consume several hundreds of milliwatts of power....

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Hello, World Wide Web of Things

Hello, World Wide Web of Things

The Internet of Things—IoT for short—is here to stay and to change our world for the better. This grand vision depicts a world where people, buildings, and physical objects are connected to a single and common network. In this world, bottles of soda, lighting systems, cars, and everything in between...

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Precision Buildings

Precision Buildings

I grew up in the state of North Carolina, so whenever I hear a Southern accent, it brings back many fond memories. As so it was when I got on the phone with Leroy Walden, Vice President of McKenney’s, Inc. McKenney’s is a mechanical contractor in the Southeast that offers...

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