Design and Performance Improvement of a 3.5 GHz Elliptical Patch Antennafor 5G Sub-6 GHz/WiMAX Applications
| Authors | A.Z.M. Touhidul Islam, N. Hasan |
| Affiliations |
Department of electrical and Electronic Engineering, University of Rajshahi, Rajshahi-6205, Bangladesh |
| Е-mail | touhid.eee@ru.ac.bd |
| Issue | Volume 17, Year 2025, Number 3 |
| Dates | Received 05 March 2025; revised manuscript received 22 June 2025; published online 27 June 2025 |
| Citation | A.Z.M. Touhidul Islam, N. Hasan, J. Nano- Electron. Phys. 17 No 3, 03005 (2025) |
| DOI | https://doi.org/10.21272/jnep.17(3).03005 |
| PACS Number(s) | 84.40.Ba |
| Keywords | WiMAX (3) , 5G (33) , 6 GHz sub-band, Microstrip line-fed, Elliptical patch antenna, Defected ground. |
| Annotation |
In this study, a small elliptical slotted elliptical microstrip patch antenna with a defected ground struc-ture in elliptical form is designed and simulated using CST Microwave Studio software for 5G Sub-6 GHz and WiMAX applications. The proposed design utilizes Rogers RT 5880 as the substrate with dimensions of 48 25.2 mm² and the antenna is excited using a microstrip feed line. The ground plane and patch both have elliptical forms oriented in opposite directions are used to improve the performance parameters of the antenna. The antenna resonates at 3.5 GHz and operates within the frequency range of 3.28 GHz to 3.79 GHz, achieving a wide bandwidth of 510 MHz which covers the most commonly used 5G Sub-6 GHz and WiMAX bands, a peak gain of 6.141 dB, and a radiation efficiency of 94.7% at 3.5 GHz. These simulation results show that the proposed elliptical patch antenna with elliptical slot on the patch plane and defected ground structure in elliptical form offers improved performance, making it a suitable candidate for 5G Sub-6 GHz and WiMAX applications. |
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List of References |
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