Compact UHF wide slot antenna for microwave stethoscope designed for heart failure detection

Ahdi Rezaeieh, S. and Abbosh, A. (2013). Compact UHF wide slot antenna for microwave stethoscope designed for heart failure detection. In: Microwave Conference Proceedings (APMC), 2013 Asia-Pacific. Asia-Pacific Microwave Conference, APMC 2013, Seoul, Korea, (1136-1138). 5 - 8 November 2013. doi:10.1109/APMC.2013.6695047

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Author Ahdi Rezaeieh, S.
Abbosh, A.
Title of paper Compact UHF wide slot antenna for microwave stethoscope designed for heart failure detection
Conference name Asia-Pacific Microwave Conference, APMC 2013
Conference location Seoul, Korea
Conference dates 5 - 8 November 2013
Proceedings title Microwave Conference Proceedings (APMC), 2013 Asia-Pacific
Journal name Asia-Pacific Microwave Conference Proceedings, APMC
Place of Publication Piscataway, NJ United States
Publisher I E E E
Publication Year 2013
Year available 2013
Sub-type Fully published paper
DOI 10.1109/APMC.2013.6695047
Open Access Status
ISBN 9781479914746
Start page 1136
End page 1138
Total pages 3
Collection year 2014
Language eng
Abstract/Summary A wide-slot antenna to be used in a compact microwave stethoscope for heart failure detection system is presented. The proposed antenna is based on the conventional slot antenna. However, changing the slot's shape and modifying the surface current path and consequently changing the electric field distribution inside the slot, provides the antenna with a broadband operation and a compact structure. To accomplish the unidirectional radiation pattern necessary for the heart failure detection system, a series of copper posts connected at certain positions to the reflector is employed to both suppress the back radiation and keep the antenna's profile low. The proposed antenna has a wide operating bandwidth of 16 % (822-966 MHz), maximum gain of 3.1 dBi and efficiency of over 90 %. The overall size of the antenna is 0.27 λ × 0.19 λ × 0.05 λ, where λ is the wavelength at the first resonance of the antenna.
Subjects 2208 Electrical and Electronic Engineering
Keyword Heart failure detection
Microwave stethoscope
Slot antenna
Unidirectional antenna
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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