Experimental Verification of Gain and Bandwidth Enhancement of Fractal Contoured Metamaterial Inspired Antenna
- Title
- Experimental Verification of Gain and Bandwidth Enhancement of Fractal Contoured Metamaterial Inspired Antenna
- Creator
- Suganthi S.; Shashikumar D.; Chand E.
- Description
- The performance of any antenna cannot be completely assessed purely on the basis of simulation results. All simulations are made by assuming an ideal environment where the fabrication tolerances and practical losses are not accounted for. Therefore, evidencing the performance experimentally becomes a crucial step. In this work, the experimental validation of a fractal contoured square microstrip antenna with four ring metamaterial structure, hereon referred to as optimized metamaterial inspired square fractal antenna has been presented. It is an extension to previously designed antenna and aims to experimentally verify the enhanced gain and bandwidth of this antenna. The design and simulation of the proposed antenna was accomplished by using Ansys HFSS v18.2. The end-to-end antenna spread area is 23 mm x 23 mm on a 46 mm x 28 mm x 1.6 mm FR4 substrate with ?r of 4.4. The simulated design was fabricated using Nvis 72 Prototyping Machine and measured in an anechoic chamber facility using vector network analyzer. The antenna resonates with the deepest S11 of-39.5 dB in a broad bandwidth of 2.53 GHz from 2.265 GHz to 4.79 GHz with experimental verification. The proposed antenna provides an enhanced gain of 8.81 dB at the most popularly used frequency of 2.5 GHz. The simulation and experimental results of resonance, gain and radiation pattern are found to agree maximally. The fractional bandwidth offered by this proposed antenna is 72.28%. The experimental validation confirms enhanced gain-bandwidth performance in a wide resonance band. Hence, this antenna is well recommended for wireless, energy harvesting rectenna and sub-6 GHz (2.5 GHz to 4.20 GHz) 5G applications. 2022, Advanced Electromagnetics. All rights reserved.
- Source
- Advanced Electromagnetics, Vol-11, No. 3, pp. 42-49.
- Date
- 2022-01-01
- Publisher
- Advanced Electromagnetics
- Subject
- Energy harvestment; Fractal Gain; INDEX TERMS Broadband; Metamaterial; Radiation pattern; S11
- Coverage
- Suganthi S., RF and Microwave Research Laboratory, ECE Department, School of Engineering and Technology, CHRIST (Deemed to be University), Bangalore, India; Shashikumar D., RF and Microwave Research Laboratory, ECE Department, School of Engineering and Technology, CHRIST (Deemed to be University), Bangalore, India; Chand E., RF and Microwave Research Laboratory, ECE Department, School of Engineering and Technology, CHRIST (Deemed to be University), Bangalore, India
- Rights
- All Open Access; Gold Open Access
- Relation
- ISSN: 21190275
- Format
- Online
- Language
- English
- Type
- Article
Collection
Citation
Suganthi S.; Shashikumar D.; Chand E., “Experimental Verification of Gain and Bandwidth Enhancement of Fractal Contoured Metamaterial Inspired Antenna,” CHRIST (Deemed To Be University) Institutional Repository, accessed March 1, 2025, https://archives.christuniversity.in/items/show/14946.