Optical fiber reach extended FMCW radar for remote respiratory tracking

Lau Frejstrup Suhr, Idelfonso Tafur Monroy, Juan José Vegas Olmos

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Wireless monitoring of human vital signs such as breathing rate is a nonintrusive alternative to contemporary solutions relying on physical contact. To ease the installment, fiber optical transmission is used to extend the reach from the transmitter and receiver circuitry to the antenna subsystem. In this paper, a frequency modulated carrier wave radar, operating at 25.7–26.6 GHz and utilizing optical fiber extension, was experimentally demonstrated to accurately recover the breathing rate of a human placed 1 m away from the radar antennas.
    Original languageEnglish
    JournalMicrowave & Optical Technology Letters
    Volume59
    Issue number2
    Pages (from-to)353-356
    ISSN0895-2477
    DOIs
    Publication statusPublished - 2017

    Keywords

    • radar
    • fiber optics
    • fiber optics sensors
    • microwaves
    • radio frequency photonics
    • OCIS codes: (280.5600) Radar, (060.2310) Fiber optics, (060.2370) Fiber optics sensors, (350.4010) Microwaves, (060.5625) Radio Frequency Photonics

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