Noise considerations for vital signs CW radar sensors

Brian Sveistrup Jensen, Thomas Jensen, Vitaliy Zhurbenko, Tom Keinicke Johansen

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    The use of continuous wave (CW) radars for measuring human vital signs have recently received a lot of attention due to its many promising applications like monitoring people at hospitals or infants at home without the need for wired sensors. This paper briefly presents the typical CW radar setup and the underlying signal theory for such sensors. Then to point out and especially clarify one of the most important effects aiding the design of vital signs radars (VSR), a more detailed discussion concerning phase noise cancellation (or filtering) by range correlation is given. This discussion leads to some general conclusions about which system components are the most critical concerning noise contribution and thus detection accuracy and dynamic range.
    Original languageEnglish
    Title of host publicationProceedings of the 5th European Conference on Antennas and Propagation
    PublisherIEEE
    Publication date2011
    ISBN (Print)9781457702501
    Publication statusPublished - 2011
    Event5th European Conference on Antennas and Propagation - Rome, Italy
    Duration: 11 Apr 201115 Apr 2011
    Conference number: 5
    http://www.eucap2011.org/

    Conference

    Conference5th European Conference on Antennas and Propagation
    Number5
    Country/TerritoryItaly
    CityRome
    Period11/04/201115/04/2011
    Internet address

    Keywords

    • Heart beat
    • CW Radar
    • Baseband
    • Spectrum Analysis
    • Range Correlation
    • Radar
    • Phase Noise
    • Human Vital Signs
    • Bessel Functions
    • Mixers
    • Receivers

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