Abstract
ABSTRACT In this paper we have introduced Dy Sm Ferrite coated on RT DUROID5880 as substrate for an effective constituent to have a patch antenna. Here Dy Sm Ferrite was coated over RT DUROID 5880 with dielectric constant of 1.6 and loss tangent of 0.025. This combination forms a new substrate for implantable micro strip patch antenna design. The antenna is optimized for dual-band operation by combining an in-house finite-element boundary integral electromagnetic simulation code and particle swarm optimization algorithm . The simulation was performed using IE3D simulator for a frequency range of 2.45 GHz and 5.8 GHz dual ISM Band for medical monitoring applications. The Return loss Was in 2.45Ghz -11.99dB, and 5.8 GHz -20.37 dB, VSWR values are 1.7266, 2.45Ghz and 1.2415 for 5.8 GHz, the Directivity came to be 8.44dBi, these simulated results were encouraging. Key words IE3D SIMULATOR, RT Duroid, Nano ferrite materials, Micro strip patch antenna, implantable antenna
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