A Circular CPW Fed Patch Antenna with an L-Shape and Two Semi-Circular Shaped Slots for L, Ku and K-Bands
| Authors | Sivanagireddy Kalli1 , Ravikumar Palla2, Sakhamuri Suryanarayana3, Mahesh Valathuru4, Nagandla Prasad2 , V. Sidda Reddy5, Sudipta Das6 |
| Affiliations |
1Department of Electronics and Communication Engineering, Sridevi Women's Engineering College, Hyderabad, Telangana, India. 2Department of Electronics and Communication Engineering, GMR Institute of Technology, Rajam, Andhra Pradesh, 532127 India 3Department of Electronics and Communication Engineering, Kallam Haranadhareddy Institute of Technology, Guntur 522019, India 4ALRC Research Center, Department of ECE, Koneru Lakshmaiah Education Foundation, Guntur, Andhra Pradesh, India 5Department of IT, Stanley College of Engineering and Technology for Women, Hyderabad, Telangana, 500001 India 6Department of Electronics and Communication Engineering, IMPS College of Engineering and Technology, Malda 732103 West Bengal, India |
| Е-mail | ravikumar.p@gmrit.edu.in |
| Issue | Volume 17, Year 2025, Number 3 |
| Dates | Received 07 April 2025; revised manuscript received 20 June 2025; published online 27 June 2025 |
| Citation | Sivanagireddy Kalli1, Ravikumar Palla2, Sakhamuri Suryanarayana, et al. J. Nano- Electron. Phys. 17 No 3, 03021 (2025) |
| DOI | https://doi.org/10.21272/jnep.17(3).03021 |
| PACS Number(s) | 84.40.Ba |
| Keywords | Antenna (6) , Dual-band, Gain (9) , mm-wave, 5G (35) . |
| Annotation |
This suggested circular patch antenna was developed with the help of CST studio, a numerical calculation performed based on the FDTD approach. Here, the proposed antenna contains three layers like copper material, which is used as a ground layer, FR-4 substrate is used as a substrate material and finally copper is used a patch layer, and the total size of the antenna is 21 ( 21 mm2.The proposed tri–band antenna is operating at three different frequency bands like 1-2.1 GHz (L-band), 13 – 13.4 (Ku–band), and 22.6 – 24.2 (5G mm–wave). The prescribed design possesses an L-shape and two semi-circular shaped slots on a polyimide substrate for L, Ku and K-bands. The suggested antenna has a peak gain of 8.6 dBi at 1.8 GHz, 7.2 dBi at 13.2 GHz, and 9.4 dBi at 23.3 GHz, the obtained radiation efficiencies are 84 %,76 % and 92 % at 1.8 GHz, 13.2 GHz and 23.3 GHz respectively. The proposed antenna possesses various advantages including triple bands, high gain and high radiation efficiency. This makes it an attractive option for devices that operate in the Sub-6 GHz, Ku-band, and millimeter-wave frequencies. Both E and H field distributions are validated to show the performance of the suggested antenna. Additionally, parametric analysis is also done to check the proposed antenna performance. |
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List of References |
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