Faster and Farther: Improving Ambient Backscatter for Next Generation Devices

In February, we posted about the ongoing research at the University of Washington exploring ambient backscatter, an alternate method of powering mobile devices that reflects or absorbs ambient radio frequency (RF) signals, allowing data transmission without drawing on the device’s battery (

Recently, researchers at UCLA and NASA’s Jet Propulsion Lab have announced the development of an ultra low-power wifi reflector link that can communicate at up to 3 Mb/s at ranges of up to 2.5m, allowing communication between devices with only 0.01% of the power consumption of a regular network link.

Check out the UCLA Electrical Engineering announcement below for more details, and watch the video linked above for a nice description of the how ambient backscatter technology works.
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