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Open AccessLetter

Time-Domain Investigation of Switchable Filter Wide-Band Antenna for Microwave Breast Imaging

1
Department of Intelligent Mechatronics Engineering, Sejong University, Seoul 05006, Korea
2
Department of Electrical Engineering, Polytechnique Montreal, Montreal, QC H3T 1J4, Canada
3
Department of Electrical and Computer Engineering, McMaster University, Hamilton, ON L8S4L8, Canada
*
Author to whom correspondence should be addressed.
Sensors 2020, 20(15), 4302; https://doi.org/10.3390/s20154302
Received: 1 July 2020 / Revised: 29 July 2020 / Accepted: 30 July 2020 / Published: 1 August 2020
(This article belongs to the Special Issue Ultra Wideband (UWB) Systems in Biomedical Sensing)
This paper investigates the time-domain performance of a switchable filter impulse radio ultra-wideband (IR-UWB) antenna for microwave breast imaging applications. A miniaturized CPW-fed integrated filter antenna with switchable performance in the range of the Worldwide Interoperability for Microwave Access (WiMAX) and Wireless Local Area Network (WLAN) bands could operate well within a 3.0 to 11 GHz frequency range. The time-domain performance of the filter antenna was investigated in comparison to that of the designed reference wideband antenna. By comparing both antennas’ time-domain characteristics, it was seen that the switchable filter antenna had good time-domain resolution along with the frequency-domain operation. Additionally, the time-domain investigation revealed that the switchable filter wide-band antenna performed similarly to the reference wide band antenna. This antenna was also utilized for a tumor detection application, and it was seen that the switchable filter wide-band antenna could detect a miniaturized irregularly shaped tumor easily, which is quite promising. Such an antenna with a good time-domain resolution and tumor detection capability will be a good candidate and will find potential applications in microwave breast imaging. View Full-Text
Keywords: WiMAX (Worldwide Interoperability for Microwave Access); WLAN (Wireless Local Area Network); IR-UWB; switchable antenna behavior; microwave breast imaging; tumor detection WiMAX (Worldwide Interoperability for Microwave Access); WLAN (Wireless Local Area Network); IR-UWB; switchable antenna behavior; microwave breast imaging; tumor detection
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MDPI and ACS Style

Haider, A.; Rahman, M.; Naghshvarianjahromi, M.; Kim, H.S. Time-Domain Investigation of Switchable Filter Wide-Band Antenna for Microwave Breast Imaging. Sensors 2020, 20, 4302.

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