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“Fully-Passive Implants for Wireless Unobtrusive Brain Signal Monitoring”
Presented by Cedric Lee
Date: 12:00 PM – 1:00 PM, Tuesday, December 15, 2015
Place: MRC Conference Room, ElectroScience Laboratory, 1330 Kinnear Road, Columbus, OH 43212. Free Parking.
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Abstract: Brain implant technology has a strong potential to improve the individual’s well-being. However, existing brain implants lack the safety and reliability required for unobtrusive, long-term monitoring of neuropotentials. In this work, we aim to establish a novel technology for safe and reliable brain implants. Our objectives entail: (a) fully-passive implants (no battery, no power harvester, and no rectifier/regulator), (b) wireless operation, (c) extremely simple on-board electronics that generate minimal heat, and (d) integration in a tiny footprint. The proposed neurosensing system consists of an implanted sensor and an exterior RF interrogator. Link budget issues are discussed, highlighting the challenges of detecting human brain neuropotentials as small as 20μVpp in a wireless and fully-passive manner.
Bio: Cedric Lee received the Bachelor’s degree (First Class Honors) in electrical engineering (with a specialization in microwave engineering) and the M.Sc. degree in electrical engineering (communications engineering) from the National University of Singapore, Singapore, in 2010 and 2013, respectively. He is currently working towards his Ph.D. degree at the Ohio State University.
He is also a Member of Technical Staff at the DSO National Laboratories, Singapore, where he was involved with the design of antennas prior to his Ph.D. studies. His research interests include RF/microwave circuit and antenna design for radar and wireless communication systems.