Design and Analysis of Dual Band PIFA Antenna Using Metasurface at 8-10 GHz for High Frequency Sensor Applications
| Authors | T. V.S. Divakar1, D.V. Ramana2, A. Sudhakar1 |
| Affiliations |
1Department of ECE, GMR Institute of Technology (GMRIT) – Deemed to be University, Rajam, India 2Department of ECE, Vignan Institute of Engineering for Women, Vishakhapatnam, India |
| Е-mail | divakar.tvs@gmrit.edu.in |
| Issue | Volume 18, Year 2026, Number 4 |
| Dates | Received 15 April 2026; revised manuscript received 18 August 2026; published online 21 August 2026 |
| Citation | T. V.S. Divakar, D.V. Ramana, A. Sudhakar, J. Nano- Electron. Phys. 18 No 4, 04018 (2026) |
| DOI | https://doi.org/10.21272/jnep.18(4).04018 |
| PACS Number(s) | 84.40.Ba |
| Keywords | Antenna (6) , Dual-band, Metasurface, Gain (10) , X-Band frequency, Sensor (28) . |
| Annotation |
This article discusses the design and performance of a compact, low-profile Planar Inverted-F Antenna (PIFA) integrated with a meta-surface structure. It operates in the X-band frequency range of 8 to 10 GHz and resonates at 9.75GHz. The antenna design aims at better performance of bandwidth, reflection coefficient, and impedance matching while maintaining a miniaturized structure. One subwavelength unit cell periodic meta-surface has been placed beneath the radiating PIFA which controls the electromagnetic field, conceal surface waves, and improve radiation efficiency. The proposed antenna is built on a normal rectangular dielectric substrate with dimensions 12.5 mm 12.5 mm and about – 27.8 dB of return loss obtained at 9.6 GHz and also got a VSWR of approximately 1 at the same frequency. CST Studio Suite 2024 is used to model and optimize the antenna and evaluate its performance based on reflection coefficient (S11), voltage standing wave ratio (VSWR), radiation pattern, and gain. The simulation results show that the meta-surface-integrated PIFA gives superior impedance matching and better reflection coefficient compared to a standard PIFA antenna design. This structure is normally suitable for X-band wireless applications like radar systems, satellite communication, and high-frequency sensors, where compactness and high performance are crucial parameters. |
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List of References |
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