Volume: 72, Issue: 2, February 2024
Dexiao XiaMetaBreath: Multitarget Respiration Detection Based on Space-Time-Coding Digital Metasurface
Abstract
DOI: 10.1109/TMTT.2023.3297413
IEEEXplore: https://ieeexplore.ieee.org/document/10197215
Device
Digital circularly polarized (CP) space-time-coding (STC) metasurface with 6x6 coding elements.
Spectrum
5.8 GHz
Novelty
Independent coding analysis (ICA) solves the problem of blind source separation (BSS).
Application
Sleep monitoring, life detection, baby care.
Performance
Four-person monitoring capability.
2 MHz bandwidth; 13° minimum separation angle between subjects.