Ultra-Wide Patch Antenna Array Design at 60 GHz Band for Remote Vital Sign Monitoring with Doppler Radar Principle

In this paper, ultra-wide patch antenna arrays have been presented at 60 GHz band (57.24–65.88 GHz) with improved gain and beam-width capabilities for remote detection of respiration and heart beat rate of a person with Doppler radar principle. The antennas measured and simulation results showed clo...

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Bibliographic Details
Published inJournal of infrared, millimeter and terahertz waves Vol. 38; no. 5; pp. 548 - 566
Main Authors Rabbani, Muhammad Saqib, Ghafouri-Shiraz, Hooshang
Format Journal Article
LanguageEnglish
Published New York Springer US 01.05.2017
Springer Nature B.V
Subjects
Antenna arrays
Antenna design
Classical Electrodynamics
Doppler radar
Electrical Engineering
Electronics and Microelectronics
Engineering
Heart rate
Instrumentation
Patch antennas
Radar beams
Remote monitoring
Respiration
Signal transmission
Non-contact vital signs monitoring
60 GHz antenna arrays
Doppler radar
Remote vital sign monitoring
Microstrip antenna
Ultra-wide patch arrays
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Summary:In this paper, ultra-wide patch antenna arrays have been presented at 60 GHz band (57.24–65.88 GHz) with improved gain and beam-width capabilities for remote detection of respiration and heart beat rate of a person with Doppler radar principle. The antennas measured and simulation results showed close agreement. The breathing rate (BR) and heart rate (HR) of a 31-year-old man have been accurately detected from various distances ranging from 5 to 200 cm with both single-antenna and dual-antenna operations. In the case of single-antenna operation, the signal is transmitted and received with the same antenna, whereas in dual-antenna operation, two identical antennas are employed, one for signal transmission and the other for reception. It has been found that in case of the single-antenna operation, the accuracy of the remote vital sign monitoring (RVSM) is good for short distance; however, in the case of the dual-antenna operations, the RVSM can be accurately carried out at relatively much longer distance. On the other hand, it has also been seen that the visual results are more obvious with higher gain antennas when the radar beam is confined just on the subject’s body area.
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ISSN:1866-6892
1866-6906
DOI:10.1007/s10762-016-0344-z