Noncontact Multiple Heartbeats Detection and Subject Localization Using UWB Impulse Doppler Radar
In this letter, a phase-based algorithm based on a logarithmic method, applicable to UWB radars and suitable to real-time monitoring, is proposed to detect the phase variations of reflected pulses caused by the tiny cardiac motions. Compared with conventional FFT vital signs detection method, this a...
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| Published in | IEEE microwave and wireless components letters Vol. 25; no. 10; pp. 690 - 692 |
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| Main Authors | , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
IEEE
01.10.2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1531-1309 1558-1764 |
| DOI | 10.1109/LMWC.2015.2463214 |
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| Abstract | In this letter, a phase-based algorithm based on a logarithmic method, applicable to UWB radars and suitable to real-time monitoring, is proposed to detect the phase variations of reflected pulses caused by the tiny cardiac motions. Compared with conventional FFT vital signs detection method, this algorithm demonstrates advantage in respiration harmonics suppression and avoidance of intermodulation between respiration and heartbeat signals. Furthermore, it is experimentally shown that UWB Doppler radar is capable of multiple heartbeats detection and subject identification/localization. |
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| AbstractList | In this letter, a phase-based algorithm based on a logarithmic method, applicable to UWB radars and suitable to real-time monitoring, is proposed to detect the phase variations of reflected pulses caused by the tiny cardiac motions. Compared with conventional FFT vital signs detection method, this algorithm demonstrates advantage in respiration harmonics suppression and avoidance of intermodulation between respiration and heartbeat signals. Furthermore, it is experimentally shown that UWB Doppler radar is capable of multiple heartbeats detection and subject identification/localization. |
| Author | Yun Seo Koo Quanhua Liu Lingyun Ren Fathy, Aly E. Yazhou Wang Haofei Wang |
| Author_xml | – sequence: 1 surname: Lingyun Ren fullname: Lingyun Ren email: lren1@utk.edu organization: Dept. of Electr. Eng. & Comput. Sci., Univ. of Tennessee, Knoxville, TN, USA – sequence: 2 surname: Yun Seo Koo fullname: Yun Seo Koo email: ykoo@utk.edu organization: Dept. of Electr. Eng. & Comput. Sci., Univ. of Tennessee, Knoxville, TN, USA – sequence: 3 surname: Haofei Wang fullname: Haofei Wang email: watcher1990@126.com organization: Sch. of Inf. & Electron., Beijing Inst. ofTechnology, Beijing, China – sequence: 4 surname: Yazhou Wang fullname: Yazhou Wang email: ywang34.utk@gmail.com organization: Boston Design Center, RF Micro Devices, Inc., Billerica, MA, USA – sequence: 5 surname: Quanhua Liu fullname: Quanhua Liu email: liuquanhua@bit.edu.cn organization: Sch. of Inf. & Electron., Beijing Inst. ofTechnology, Beijing, China – sequence: 6 givenname: Aly E. surname: Fathy fullname: Fathy, Aly E. email: fathy@eecs.utk.edu organization: Dept. of Electr. Eng. & Comput. Sci., Univ. of Tennessee, Knoxville, TN, USA |
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| SubjectTerms | Doppler radar Harmonic analysis Heart beat Heart rate detection Multiple heart rates phase based algorithm pulse-doppler radar Ultra wideband radar ultrawideband (UWB) vital signs |
| Title | Noncontact Multiple Heartbeats Detection and Subject Localization Using UWB Impulse Doppler Radar |
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