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Summary: NeuralWISP: An Energy-Harvesting Wireless
Neural Interface with 1-m Range
Jeremy Holleman1, Dan Yeager1, Richa Prasad2, Joshua R. Smith3, and Brian Otis1
1
Department of Electrical Engineering
2
Department of Computer Science and Engineering
University of Washington
3
Intel Research Seattle
Seattle, WA 98195
Abstract-- We present the NeuralWISP, a wireless neural
interface operating from harvested RF energy. The NeuralWISP
is compatible with commercial RFID readers and operates at
a range up to 1m. It includes a custom low-noise, low power
amplifier IC for processing the neural signal and an analog spike
detection circuit for reducing digital computational requirements
and communications bandwidth. Our system monitors the neural
signal and periodically transmits the spike density in a user-
programmable time window. The entire system draws an average
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