A feasibility study on non-invasive and non-contact jugular venous pulse measurement using 60 GHz FMCW radar
The jugular venous pulse (JVP) reflects right atrial pressure and provides diagnostic insight into cardiovascular and pulmonary health. However, reliable assessment remains difficult due to neck adiposity, anatomical variability and suboptimal positioning. Although central venous catheterization is...
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The Royal Society
2025-06-01
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| Series: | Royal Society Open Science |
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| Online Access: | https://royalsocietypublishing.org/doi/10.1098/rsos.242231 |
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| author | Shatabdi Das Hadi Afsharan Girish Dwivedi Coen Arrow Omid Kavehei |
| author_facet | Shatabdi Das Hadi Afsharan Girish Dwivedi Coen Arrow Omid Kavehei |
| author_sort | Shatabdi Das |
| collection | DOAJ |
| description | The jugular venous pulse (JVP) reflects right atrial pressure and provides diagnostic insight into cardiovascular and pulmonary health. However, reliable assessment remains difficult due to neck adiposity, anatomical variability and suboptimal positioning. Although central venous catheterization is the gold standard, its invasive nature restricts routine or long-term use. This study introduces a non-invasive method for JVP estimation using a 60 GHz frequency-modulated continuous wave (FMCW) radar. The system captures venous pulsations at the skin surface and applies eigenbeamforming to enhance signal-to-noise ratio and pulse clarity. Radar parameters were optimized for signal fidelity and validated through morphological comparison with simultaneously recorded photoplethysmography (PPG) signals. Additionally, we compared radar-derived JVP signals with previously recorded catheterization data from a patient with early-stage heart failure to assess clinical relevance. Signal localization was successfully achieved within a direction-of-arrival (DoA) range of [Formula: see text] to [Formula: see text], demonstrating the radar’s precision. While the selected parameters consistently yielded good performance in our set-up, individual anatomical differences may require subject-specific calibration. These findings support the potential of 60 GHz FMCW radar for contactless JVP monitoring, with promising implications for early detection and remote management of heart failure. |
| format | Article |
| id | doaj-art-69c0f5830a9941d89fd9e97fdf6fd392 |
| institution | Kabale University |
| issn | 2054-5703 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | The Royal Society |
| record_format | Article |
| series | Royal Society Open Science |
| spelling | doaj-art-69c0f5830a9941d89fd9e97fdf6fd3922025-08-20T03:24:08ZengThe Royal SocietyRoyal Society Open Science2054-57032025-06-0112610.1098/rsos.242231A feasibility study on non-invasive and non-contact jugular venous pulse measurement using 60 GHz FMCW radarShatabdi Das0Hadi Afsharan1Girish Dwivedi2Coen Arrow3Omid Kavehei4School of Biomedical Engineering, The University of Sydney, Sydney, New South Wales, AustraliaAdvanced Clinical and Translational Cardiovascular Imaging, Harry Perkins Institute of Medical Research, Perth, Western Australia, AustraliaAdvanced Clinical and Translational Cardiovascular Imaging, Harry Perkins Institute of Medical Research, Perth, Western Australia, AustraliaSchool of Physics, The University of Western Australia, Perth, Western Australia, AustraliaSchool of Biomedical Engineering, The University of Sydney, Sydney, New South Wales, AustraliaThe jugular venous pulse (JVP) reflects right atrial pressure and provides diagnostic insight into cardiovascular and pulmonary health. However, reliable assessment remains difficult due to neck adiposity, anatomical variability and suboptimal positioning. Although central venous catheterization is the gold standard, its invasive nature restricts routine or long-term use. This study introduces a non-invasive method for JVP estimation using a 60 GHz frequency-modulated continuous wave (FMCW) radar. The system captures venous pulsations at the skin surface and applies eigenbeamforming to enhance signal-to-noise ratio and pulse clarity. Radar parameters were optimized for signal fidelity and validated through morphological comparison with simultaneously recorded photoplethysmography (PPG) signals. Additionally, we compared radar-derived JVP signals with previously recorded catheterization data from a patient with early-stage heart failure to assess clinical relevance. Signal localization was successfully achieved within a direction-of-arrival (DoA) range of [Formula: see text] to [Formula: see text], demonstrating the radar’s precision. While the selected parameters consistently yielded good performance in our set-up, individual anatomical differences may require subject-specific calibration. These findings support the potential of 60 GHz FMCW radar for contactless JVP monitoring, with promising implications for early detection and remote management of heart failure.https://royalsocietypublishing.org/doi/10.1098/rsos.242231heart failurenoninvasive sensingjugular venous pulsemmWave sensingsignal processingradio frequency |
| spellingShingle | Shatabdi Das Hadi Afsharan Girish Dwivedi Coen Arrow Omid Kavehei A feasibility study on non-invasive and non-contact jugular venous pulse measurement using 60 GHz FMCW radar Royal Society Open Science heart failure noninvasive sensing jugular venous pulse mmWave sensing signal processing radio frequency |
| title | A feasibility study on non-invasive and non-contact jugular venous pulse measurement using 60 GHz FMCW radar |
| title_full | A feasibility study on non-invasive and non-contact jugular venous pulse measurement using 60 GHz FMCW radar |
| title_fullStr | A feasibility study on non-invasive and non-contact jugular venous pulse measurement using 60 GHz FMCW radar |
| title_full_unstemmed | A feasibility study on non-invasive and non-contact jugular venous pulse measurement using 60 GHz FMCW radar |
| title_short | A feasibility study on non-invasive and non-contact jugular venous pulse measurement using 60 GHz FMCW radar |
| title_sort | feasibility study on non invasive and non contact jugular venous pulse measurement using 60 ghz fmcw radar |
| topic | heart failure noninvasive sensing jugular venous pulse mmWave sensing signal processing radio frequency |
| url | https://royalsocietypublishing.org/doi/10.1098/rsos.242231 |
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