Passive Wi-Fi: Bringing Low Power to Wi-Fi Transmissions
With Passive Wi-Fi, we demonstrate for the first time that one can generate 1-11 Mbps Wi-Fi transmissions while consuming 3-4 orders of magnitude lower power than existing Wi-Fi chipsets. These Wi-Fi transmissions can be decoded on existing Wi-Fi devices such as routers, smartphones and tablets, while consuming 15-60 microwatts of power. This translates to 10000x lower power than existing Wi-Fi chipsets and 1000x lower power than Bluetooth LTE and ZigBee. The ultra low power nature of Wi-Fi can bring true internet connectivity to the sensor network and IoT space.
Vamsi Talla is a co-founder of Jeeva Wireless Inc. and a research associate in Computer Science and Engineering at the University of Washington, Seattle. He completed his Ph.D. in Electrical Engineering from the University of Washington, Seattle in March 2016. His research spans the circuit and system level design of wireless power transfer, energy harvesting and low power sensing and communication. Vamsi received best paper awards at IEEE WiSNet 2013, ACM SIGCOMM 2013 and USENIX NSDI 2016. He has also been the recipient of the Intel PhD fellowship and QUALCOMM Innovation Fellowship in 2014.