"No-power" Wi-Fi connectivity could fuel Internet of Things reality

Researchers at the University of Washington have developed a technology that uses RF radio frequency signals for power and "Wifi backscatter" technology to enable Internet connectivity for devices such as sensors and wearables. They will publish their results at the Association for Computing Machinery’s Special Interest Group on Data Communication‘s annual conference this month in Chicago. The team also plans to start a company based on the technology.

http://www.washington.edu/news/2014...tivity-could-fuel-internet-of-things-reality/

This new technology appears to be something similar that used in RFID devices, but obviously at a much lower power level. Though the throughput at present is only 1 kilobit per second and the range is limited, one can easily see a path to increased range and throughput as well as direct subcutaneous human connection feeding data about body temperature, heart rate, blood pressure, O2 level and more via Wifi.

Dan Van Hoy
K7DAN / VR2HF

 

interesting , by shorting resonance antenna out of resonance changes near by signal quite bit.

 

But trying to detect such small changes in signal would be difficult at best because the S/N ratio wouldn't be good.

 

Should work well in Whoville

 

Re: "No power" Wi-Fi

Wired magazine, of all places, said it first....there are millions of Hackers salivating about the Internet of Things. If Wired, which promotes the bleeding edge of technology, is wary of the security risk, making it easier isn't going to help. But it's coming for sure. Personally I will never purchase a device that can be hacked and lead to being abused, such as a car computer or a net accessible pace maker. Giving hackers access to my rig through an internet interface even concerns me. My day job is director of industry standards at a Fortune 100 company. I am following IoT and security standards closely.