PROJECT TITLE :
Compact Microstrip Antenna With Enhanced Bandwidth by Loading Magneto-Electro-Dielectric Planar Waveguided Metamaterials
A brand new concept of planar magneto-electro-dielectric waveguided metamaterials (MED-WG-MTM) is proposed to manipulate the effective permeability and therefore the effective permittivity . The MED-WG-MTM cell consists of an electrical complementary spiral ring resonator (CSR) in the higher metallic plane and a magnetic embedded Hilbert-line (EHL) in the ground plane. The characterizations and working mechanisms are investigated comprehensive through eletromagnetic (EM) simulation, circuit model calculation and effective material parameters analysis. Numerical results show that the MED-WG-MTM can be manipulated with a bigger refractive index for miniaturization and a bigger wave impedance for bandwidth (BW) enhancement. For demonstration and potential applications, a microstrip patch antenna working at three.five GHz and occupying an space of solely is meant by using the derived flexible three-step frequency tuning methodology. A smart agreement of results between the simulations and measurements suggests that the designed antenna advances in several aspects like compact dimensions with a forty two.fifty threep.c miniaturization, broad operation band with a 207% impedance BW enhancement, and comparable radiation performances relative to its conventional counterparts.
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