A Coplanar Waveguide-Fed Highly Efficient Miniaturized Conformal Triple Band Antenna for Bio-Medical Applications
| Authors | Kumutha Duraisamy1, Tanvir Islam2 , Samudrala Varakumari3, Sudipta Das4 , Sivaji Asha5, Mohammed El Ghzaoui6 |
| Affiliations |
1Department of Electronics and Communication Engineering, Jeppiaar Institute of Technology, Kunnam Sunguvarchatram, 631604 Tamil Nadu, India 2Department of Electrical and Computer Engineering, University of Houston, Houston, TX 77204, USA 3Department of Electronics and Communication Engineering, NRI Institute of Technology (A), Agiripalli, A.P, India 4Department of Electronics and Communication Engineering, IMPS College of Engineering and Technology, Malda, WB, India 5Department of Electronics and Communication Engineering, Saveetha Engineering College, Saveetha Nagar, Thandalam, Chennai-602105, Tamil Nadu, India 6Faculty of Sciences Dhar El Mahraz-Fes, Sidi Mohamed Ben Abdellah University, Fes, Morocco |
| Е-mail | sudipta.das1985@gmail.com |
| Issue | Volume 15, Year 2023, Number 6 |
| Dates | Received 27 October 2023, revised manuscript received 18 December 2023, published online 27 December 2023 |
| Citation | Kumutha Duraisamy, Tanvir Islam, Samudrala Varakumari, et al., J. Nano- Electron. Phys. 15 No 6, 06029 (2023) |
| DOI | https://doi.org/10.21272/jnep.15(6).06029 |
| PACS Number(s) | 84.40.Ba |
| Keywords | Printed antenna, Conformal antenna, On-body antenna, Triple-band, SAR, Bio-medical. |
| Annotation |
A compact co-planar waveguide (CPW) based triple-band printed conformal antenna for on-body applications is presented in this research. In order to accomplish impedance matching, a coplanar structure is employed with the ground on the same plane, and this is printed on the top layer of a polyimide substrate of 0.6 mm thickness. The proposed conformal antenna consists of two identical patch elements. The radiating element is made up of two split ring resonators positioned on the top of the feeding element. The suggested on-body antenna has an overall miniaturized size of only 35 37.5 mm2, making it ideal for use in the biomedical field. The designed antenna is capable to cover various spectrum spanning from 2.387-2.618 GHz, 4.2-4.64 GHz, and 6.23-6.56 GHz with a 2:1 voltage standing wave ratio. The designed antenna is fabricated and antenna parameters are measured which is correlated with simulated results. The antenna achieves a total gain of around 5 dBi with radiation efficiency of up to 95 % over the various operating spectrums. To validate the conformality over curved surfaces, the fabricated prototype of the proposed antenna is bent at 30°, 45, 90° angles and the measured results are compared with simulation results of the bending analysis. Furthermore, to validate the on-body performance of the antenna Specific Absorption Rate has been calculated through simulation and it is found to be lower than 1 W/Kg over all three bands of spectrums which proves that the proposed bio-medical antenna could be a viable candidate for microwave imaging applications. |
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List of References |
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