A Triple Band Square Shape Multi-slot Defective Ground Structure Patch Antenna for C-, X-, and Ku-band Applications
| Authors | Sivanagireddy Kalli1, Srilakshmi Aouthu2, Yerram Srinivas3, V. Sidda Reddy4, Ravikumar Palla5, Mahesh Valathuru6, Nagandla Prasad5 |
| Affiliations |
1Department of Electronics and Communication Engineering, Sridevi Women's Engineering College, Hyderabad, Telangana, India 2Department Electronics and Communication Engineering, Vasavi College of Engineering, Hyderabad, Telangana, India 3Department Electronics and Communication Engineering, Vignana Bharathi Institute of Technology, Hyderabad, Telangana, India 4Department of IT, Stanley College of Engineering and Technology for Women, Hyderabad, Telangana, India 5Department of Electronics and Communication Engineering, GMR Institute of Technology, Rajam, Andhra Pradesh, India 6ALRC Research Centre, Department of ECE, Koneru Lakshmaiah Education Foundation, Guntur, Andhra Pradesh, India |
| Е-mail | ravikumar.p@gmrit.edu.in |
| Issue | Volume 17, Year 2025, Number 2 |
| Dates | Received 15 February 2025; revised manuscript received 23 April 2025; published online 28 April 2025 |
| Citation | Sivanagireddy Kalli, Srilakshmi Aouthu, Yerram Srinivas, et al., J. Nano- Electron. Phys. 17 No 2, 02023 (2025) |
| DOI | https://doi.org/10.21272/jnep.17(2).02023 |
| PACS Number(s) | 84.40.Ba |
| Keywords | Antenna (6) , Triple band, Reflection coefficient (3) , Radiation efficiency, Gain (9) . |
| Annotation |
In this article, a multi-slot defective ground structured microstrip patch antenna with a square shape for various letter band applications is proposed. The proposed structure was designed using a polyimide dielectric material with 2mm thickness, which has a dielectric constant of 3.5. The total size of the antenna is 20 ( 20 ( 2.07 mm3. The proposed antenna achieves triple band operation while preserving a compact radiator size. The designed radiator has the capability to operate across three separate frequency bands, spanning from 4.2 to 5 GHz, 9.3 to 9.9 GHz, and 12.7 to 13.4 GHz, with three separate resonance frequencies of 4.6, 9.6, and 13.1 GHz, respectively. A peak gain of 8.2, 6.8 and 7.4 dBi, radiation efficiency of 91, 83 and 89 % are attained at resonance. A comprehensive parametric analysis was conducted utilizing the CST simulator to improve performance over the operational frequency range with respect to reflection coefficient (S11). Additionally, we examine the impacts of various conductive materials (aluminum, gold, iron and copper) and dielectric materials (FR-4, Topas, Quartz Lossy and Polyimide) on the response of the suggested antenna. The antenna design methodology, as well as the analysis of field and current distributions are presented. The prescribed triple band defective ground structure patch antenna can be used for C-, X- and Ku-band applications. |
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List of References |
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