Structural Analysis of Low-Profile Fractal Antennas for Mid-Band Applications
Keywords:
Fractal, Mid-band, Koch, low-profile, FEM-basedAbstract
The mid-band is arguably the most useful band for advanced future technology as it provides an excellent blend of capacity, penetration, speed, and coverage, making it ideal for highly populated urban regions with high connection demand. Fractal antennas with distinct geometric patterns and properties have certain advantages that make them potentially suitable for mid-band applications. In this article, different kinds of low-profile fractal antennas are designed and structurally analyzed for mid-bands, encompassing applications aligned with the IEEE 802.11.4.O Standard. The proposed antennas are assessed through the use of FEM-based simulation software with FR4 as the dielectric material. The proposed Koch fractal stands out as the most promising choice among other antennas for mid-band applications primarily due to its distinctive 15-degree notch characteristic, contributing to its outstanding performance. Experimental testing of the antennas has been conducted, showing favorable agreement with the simulated results.
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