Microwave Imaging Approach for Breast Cancer Detection Using a Tapered Slot Antenna Loaded with Parasitic Components

Abstract

In this paper, a wideband antenna is proposed for ultra-wideband microwave imaging applications. The antenna is comprised of a tapered slot ground, a rectangular slotted patch and four star-shaped parasitic components. The added slotted patch is shown to be effective in improving the bandwidth and gain. The proposed antenna system provides a realized gain of 6 dBi, an efficiency of around 80% on the radiation bandwidth, and a wide impedance bandwidth (S11 < −10 dB) of 6.3 GHz (from 3.8 to 10.1 GHz). This supports a true wideband operation. Furthermore, the fidelity factor for face-to-face (FtF) direction is 91.6%, and for side by side (SbS) is 91.2%. This proves the excellent directionality and less signal distortion of the designed antenna. These high figures establish the potential use of the proposed antenna for imaging. A heterogeneous breast phantom with dielectric characteristics identical to actual breast tissue with the presence of tumors was constructed for experimental validation. An antenna array of the proposed antenna element was situated over an artificial breast to collect reflected and transmitted waves for tumor characterization. Finally, an imaging algorithm was used to process the retrieved data to recreate the image in order to detect the undesirable tumor object inside the breast phantom.

Fabrication of mm-Scale Complementary Split Ring Resonators, for Potential Application as Water Pollution Sensors

“…Thus, CNC is dedicated to large-scale production since it reduces development time and man-hours, which consequently reduces production cost. In addition, engraving has been successfully used to develop mm-scale metasurfaces [38][39][40]. Therefore, the utilization of CNC engraving to develop CSRRs seems like quite an interesting approach.…”

Compact Flexible Planar Antennas for Biomedical Applications: Insight into Materials and Systems Design

“…A U-shaped slot for ultra-wideband microwave imaging applications was proposed in [98]. The antenna consists of a tapered slot and star patches located on both the top and ground planes.…”

A tapered feed UWB-MIMO antenna with high characteristics based on fractal method

“…The literature [11][12][13][14][15][16][17][18] has presented several modified proposals for ultra-wideband technologies. A small UWB antenna with an impedance bandwidth of 10.354 GHz and a pick gain of 4.7 dBi for a variety of applications was reported by the researchers in [11].…”

“…Its overall dimensions are 27 mm by 25 mm. In order for the Rogers 5880 substrate to function properly with the frequency range of UWB applications, a microwave tapered slot antenna for cancer detection is also made [12]. The frequency band response of this antenna, which has a size of 29 ×26.6 mm 2 and a bandwidth ratio of 2.7, is 3.7 to 10 GHz.…”