Complementary Folded Line Metamaterial Loaded MIMO Antenna for S-Band Applications
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Date
2024-11-29
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Electromagnetics Academy
Abstract
This paper introduces a MIMO antenna featuring a complementary folded-line metamaterial (CFL-MTM) design, It wants to reduce mutual interaction among very close microstrip patch antenna components. The antenna elements have an edge-to-edge spacing of roughly 0.0933λ0 (7 mm). By integrating CFL-MTM elements into the antenna structure, the antenna achieves negative permittivity and permeability characteristics, resulting in a compact size of 37 × 44 × 1.6 mm3. The antenna is suitable for S band applications, covering a bandwidth of approximately 3.121–4.277 GHz (1156 MHz). The incorporation of CFL-MTM results in a negative refractive index area, which effectively controls and reduces mutual coupling between the antenna parts. The antenna’s dimension is optimized by keeping the CFL-MTM smaller than the resonant wavelength. Furthermore, the characteristics of the suggested MIMO antenna, such as ECC, CCL, and TARC, are assessed to show that it is suitable for S-band applications.