Folding method for bandwidth and directivity enhancement of meandered loop ultra-high frequency antenna for heart failure detection system

Rezaeieh, Sasan Ahdi, Bialkowski, Konstanty S. and Abbosh, Amin M. (2014) Folding method for bandwidth and directivity enhancement of meandered loop ultra-high frequency antenna for heart failure detection system. IET Microwaves, Antennas and Propagation, 8 14: 1218-1227. doi:10.1049/iet-map.2014.0340


Author Rezaeieh, Sasan Ahdi
Bialkowski, Konstanty S.
Abbosh, Amin M.
Title Folding method for bandwidth and directivity enhancement of meandered loop ultra-high frequency antenna for heart failure detection system
Journal name IET Microwaves, Antennas and Propagation   Check publisher's open access policy
ISSN 1751-8725
1751-8733
Publication date 2014-05-15
Year available 2014
Sub-type Article (original research)
DOI 10.1049/iet-map.2014.0340
Open Access Status Not yet assessed
Volume 8
Issue 14
Start page 1218
End page 1227
Total pages 10
Place of publication Stevenage, Herts, United Kingdom
Publisher Institution of Engineering and Technology
Language eng
Abstract A wideband antenna with unidirectional radiation is designed for lower ultra-high frequency (UHF) band, which is utilised in medical diagnostic systems, in addition to telecommunications, such as UHF television channels, WiMax, cognitive radio, radio frequency identification, mobile digital TV and CDMA/GSM800. In medical imaging, there are additional antenna design requirements, such as compact size, wide operating bandwidth and unidirectional radiation. A combination of dual monopole feeding, meandering and folding techniques is used to realise the required frequency band and directivity for the antenna, while reducing its size. The final design has the compact size of 0.23 x 0.08 x 0.08 ( is the wavelength of the lowest measured operating frequency of the antenna), a wide measured operating bandwidth of 50% (590-985 MHz), a peak gain of 3.6 dBi and a measured efficiency of more than 89% over the band of operation. The designed antenna is then used with a compact microwave transceiver, and proper data acquisition and processing algorithms to build a system for the early detection of congestive heart failure. The system is tested using a realistic artificial human torso.
Formatted abstract
A wideband antenna with unidirectional radiation is designed for lower ultra-high frequency (UHF) band, which is utilised in medical diagnostic systems, in addition to telecommunications, such as UHF television channels, WiMax, cognitive radio, radio frequency identification, mobile digital TV and CDMA/GSM800. In medical imaging, there are additional antenna design requirements, such as compact size, wide operating bandwidth and unidirectional radiation. A combination of dual monopole feeding, meandering and folding techniques is used to realise the required frequency band and directivity for the antenna, while reducing its size. The final design has the compact size of 0.23λ × 0.08λ × 0.08λ (λ is the wavelength of the lowest measured operating frequency of the antenna), a wide measured operating bandwidth of 50% (590-985 MHz), a peak gain of 3.6 dBi and a measured efficiency of more than 89% over the band of operation. The designed antenna is then used with a compact microwave transceiver, and proper data acquisition and processing algorithms to build a system for the early detection of congestive heart failure. The system is tested using a realistic artificial human torso.
Keyword Engineering, Electrical & Electronic
Telecommunications
Engineering
Telecommunications
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2015 Collection
School of Information Technology and Electrical Engineering Publications
 
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