Broadband UHF antenna for heart failure detection system
AuthorAhdi Rezaeieh, S.
Abbosh, A. M.
Antoniades, Marcos A.
SourceIEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
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A three-dimensional cavity backed coplanar waveguide fed ultra-high frequency (UHF) antenna is presented. The antenna is designed to operate in microwave system for heart failure detection. A parasitic cavity is used to increase the bandwidth of the antenna, resulting in a fractional bandwidth of 30 % (737-1001 MHz). The antenna has a gain that varies between 3 to 5.25 dBi through this band. Due to its broadband characteristics, compact size and suitable gain, the proposed antenna is a good candidate for the detection of fluids accumulation in the lungs, which is an indication of heart failure. © 2013 IEEE.