A Novel Approach to Remote Detection in Medical Radar Applications Using Flexible Transmit Array Lenses

Rifa Atul Izza Asyari*, Kuan Yuan Lee, Rezki El Arif, Tzyy Sheng Jason Horng, Daniel Teichmann

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

This study introduces a novel method employing adaptable transmitarray lenses for medical radar systems, enhancing the direction of electromagnetic beams in the far-field. The newly developed antenna array exhibited marked improvements in gain, bandwidth, return loss, and isolation within specific frequency ranges during testing. Comprehensive evaluations, including various focal lengths and bending scenarios, underscored the superior performance of this adaptable lens over prior techniques. Its exceptional precision and sensitivity render it an ideal tool for real-time remote health monitoring systems, particularly in pulse detection. The research findings consistently aligned the heart rates detected by this innovative method with standard reference rates, reaffirming its reliability and accuracy. This consistency highlights the potential of the transmitarray lenses as a valuable advancement in medical radar systems. The study not only validates the effectiveness and reliability of the lenses but also lays a solid foundation for further research and development in this field. The insights garnered are expected to significantly bolster the progression of radar technologies in healthcare, leading to more accurate, efficient, and non-invasive health monitoring solutions, thereby enhancing patient care and outcomes.

Original languageEnglish
Pages (from-to)36-50
Number of pages15
JournalIEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology
Volume8
Issue number1
DOIs
Publication statusPublished - 1 Mar 2024

Keywords

  • Metasurface
  • SIL radar
  • flexible transmitarray lens
  • healthcare radar

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