Backscatter and the University of Washington

Gewa was founded by Josh Smith, Sharmh Gellokota and Aaron Parks. Backscatter technology is used in RFID at the moment. It's kind of a reflection, a remodulation of a stronger signal that you then reflect back. In 2012, 2013, we published a seminal paper on ambient backscatter and sitcom. We basically showed that if you have two battery free tags, those two tags can harvest the ambient TV signals but more importantly, they can actually use a small transistor to do communication between them. So our application was, if you're in a library, you can put these tags, you don't need to put expensive ideas, readers,. If