Design of a Flexible Rectangular Antenna Array with High Gain for RF Energy Harvesting and Wearable Devices
| Authors | Said Douhi1,2, Tanvir Islam3 , R. Agilesh Saravanan4, Adil Eddiai1, Sudipta Das5 , Omar Cherkaoui2 |
| Affiliations |
1Laboratory of Physics of Condensed Matter (LPMC), Faculty of Sciences Ben M'Sik, Hassan II University of Casablanca, Morocco 2REMTEX Laboratory, Higher School of Textile and Clothing Industries (ESITH), Casablanca, Morocco 3Department of Electrical and Computer Engineering, University of Houston, Texas, USA 4Department of Electronics and Communication Engineering, Koneru Lakshmaiah Education Foundation, Vaddeswaram, A.P., India 5Department of Electronics and Communication Engineering, IMPS College of Engineering and Technology Nityanandapur. Malda-732103, West Bengal, India |
| Е-mail | said.douhi.15@gmail.com |
| Issue | Volume 15, Year 2023, Number 3 |
| Dates | Received 12 May 2023; revised manuscript received 18 June 2023; published online 30 June 2023 |
| Citation | Said Douhi, Tanvir Islam, et al., J. Nano- Electron. Phys. 15 No 3, 03010 (2023) |
| DOI | https://doi.org/10.21272/jnep.15(3).03010 |
| PACS Number(s) | 83.40.Ba |
| Keywords | E-textile (Conductive fabric), Array antenna, Gain enhancement, Radiofrequency (RF) energy harvesting. |
| Annotation |
Flexible RF electronics and antennas made from textiles are regarded as a technology that accelerates the widespread popularity of modern wearable communication devices and components. This work presents a flexible and compact 4x1 rectangular microstrip patch array antenna for radio frequency (RF) energy harvesting applications. It operates at 5GHz and has a high gain. The proposed antenna incorporates the inset feed technique to improve impedance matching and employs a conductive fabric (E-textile) as a conductor, along with textile as a substrate. The feeding and radiating structures are designed by using stick E shield conductive textiles that possess a conductivity of 5x105 S/m and are 0.085 mm thick. This design relies entirely on textile materials to ensure the user's comfort, ease of production, and cost-effectiveness. The Ansys HFSS simulator, which employs the finite element method, was utilized to optimize the antenna design. Subsequently, the suggested configuration was verified using the CST MWS simulator, which utilizes the finite integration method. The study aimed to achieve high gain and robust performance from the designed antenna. The simulation results demonstrate excellent performance within the operating band, with an impedance bandwidth of 6.78% and a high gain of 14.54 dBi at 5GHz, making it well-suited for radiofrequency (RF) energy harvesting and wearable device applications. |
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List of References |
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