Compact Semicircle CSRR- Loaded Antenna for Triband Applications
| Authors | A. Ambika1 , , C. Tharini1, P. Chakraborty1 , S.S. Prabhu1, S. Priyadarsini2, Y.J.N. Ahamed3 |
| Affiliations | 1Department of Electronics and Communication Engineering, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai 600 048, India 2Department of Computer Science and Engineering, PSR Engineering College, Sivakasi, India 3Department of Computer Science and Engineering, Sreenivasa Institute of Technology and Management Studies, Chittoor, India |
| Е-mail | ambika@crescent.education |
| Issue | Volume 17, Year 2025, Number 3 |
| Dates | Received 14 April 2025; revised manuscript received 24 June 2025; published online 27 June 2025 |
| Citation | A. Ambika, [footnoteRef:], C. Tharini, и др., J. Nano- Electron. Phys. 17 No 3, 03009 (2025) |
| DOI | https://doi.org/10.21272/jnep.17(3).03009 |
| PACS Number(s) | 73.61.Jc, 71.20.Mq, 88.40.jj, 88.40hj |
| Keywords | Compact antenna, CSRR (Complementary Split-Ring Resonator), Tri-band, 5G (33) , Wi-Fi (2) , WLAN (4) , Miniaturization, Surface current distribution, Return loss, Radiation pattern, FR4 Substrate. . |
| Annotation | This manuscript presents the analysis as well as the design of a compact size 3 semicircle CSRR (Complementary Split-Ring Resonator) loaded multiband antenna. The proposed antenna has 18 mm 20 mm dimensions and resonates at three frequency bands, namely 2.7 GHz, 3.75 GHz, and 6.5 GHz, making it suitable for Wi-Fi (802.11a), mid-band 5G band, and WLAN applications. The design includes a rectangular finite ground plane that is longer than /4, which enhances performance. The semicircle CSRR structure is etched from a semicircle monopole antenna, which provides additional resonant modes and also contributes to a reduction in the overall size of the antenna. The antenna has a height of 1.6 mm and is printed on an FR4 dielectric substrate with a dielectric constant of 4.4. The designed antenna has been both simulated and fabricated. The results show that all three frequency bands have achieved stable radiation patterns and acceptable return losses (– 10 dB). The measured gain averages 2.028 dBi, indicating effective performance. The findings indicate that the antenna exhibits a bidirectional radiation pattern in the E-plane and a uniform distribution in the H-plane for lower frequency bands. This work highlights the antenna's compact design and its potential for efficient operation in modern wireless communication systems, providing a promising solution for future applications. |
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List of References English version of article |
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