Context-aware electromagnetic design for continuously wearable biosymbiotic devices

Tucker Stuart, Xiaoyang Yin, Shengjian Jammy Chen, Max Farley, Dylan Thomas McGuire, Nikhil Reddy, Ryan Thien, Sam DiMatteo, Christophe Fumeaux, Philipp Gutruf

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Imperceptible wireless wearable devices are critical to advance digital medicine with the goal to capture clinical-grade biosignals continuously. Design of these systems is complex because of unique interdependent electromagnetic, mechanic and system level considerations that directly influence performance. Typically, approaches consider body location, related mechanical loads, and desired sensing capabilities, however, design for real world application context is not formulated. Wireless power casting eliminates user interaction and the need to recharge batteries, however, implementation is challenging because the use case influences performance. To facilitate a data-driven approach to design, we demonstrate a method for personalized, context-aware antenna, rectifier and wireless electronics design that considers human behavioral patterns and physiology to optimize electromagnetic and mechanical features for best performance across an average day of the target user group. Implementation of these methods result in devices that enable continuous recording of high-fidelity biosignals over weeks without the need for human interaction.

Original languageEnglish (US)
Article number115218
JournalBiosensors and Bioelectronics
Volume228
DOIs
StatePublished - May 15 2023

Keywords

  • Behavior
  • Electromagnetics
  • Sensors
  • Wearables
  • Wireless

ASJC Scopus subject areas

  • Biotechnology
  • Biophysics
  • Biomedical Engineering
  • Electrochemistry

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