Multi-Band Improved Gain Metamaterial Inspired Filtering Antenna Using FDTD Technique for 5G Applications
Multi-Band Improved Gain Metamaterial Inspired Filtering Antenna Using FDTD Technique for 5G Applications |
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| © 2025 by IJETT Journal | ||
| Volume-73 Issue-3 |
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| Year of Publication : 2025 | ||
| Author : Sneha Talari, Chandra Sekhar Paidimarry |
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| DOI : 10.14445/22315381/IJETT-V73I3P109 | ||
How to Cite?
Sneha Talari, Chandra Sekhar Paidimarry, "Multi-Band Improved Gain Metamaterial Inspired Filtering Antenna Using FDTD Technique for 5G Applications," International Journal of Engineering Trends and Technology, vol. 73, no. 3, pp. 120-129, 2025. Crossref, https://doi.org/10.14445/22315381/IJETT-V73I3P109
Abstract
In this work, a novel multi-band filtering antenna design and implementation with a Finite Difference Time Domain (FDTD) technique for 5G applications is presented. A hexagonal-shaped microstrip patch antenna is designed with hexagonal metamaterial, which resonates at three different frequencies: 29.835 GHz, 31.282 GHz, and 32.122 GHz. The antenna design takes place on a polyamide substrate with a dielectric constant εr of 4.3, a loss tangent tan δ of 0.004 and a relative permeability of 1. The novelty of this work is to improve gain by inserting metamaterial into the antenna substrate without increasing antenna size for 5G. The proposed antenna dimensions are 32.82×25×0.15 mm3. A Bandpass Filter (BPF) is added to the proposed hexagonal patch antenna elements to select the desired frequency for 5G applications. Finally, the convolutional perfectly matched layer (C-FDTD) technique is used in the proposed antenna model to analyze the electromagnetic fields. We used MATLAB code to implement the FDTD technique and High-Frequency Structure Simulator (HFSS) software to design the antenna. The fabrication of the prototype is done and measured experimentally. The results were in good agreement between simulated, experimental and FDTD. The proposed antenna model can obtain gain values of 6.3 dB, 8.2 dB and 10.2 dB at three resonating frequencies. Its simple, low-profile structure and high gain ensure that the proposed high-gain antenna is well suited for 5G applications.
Keywords
5G applications, Hexagonal patch, Hexagonal metamaterial, Bandpass filter, Finite difference time domain.
References
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