Design and Prototyping of A Compact 2S Shaped Dual Band Patch Antenna
Keywords:Patch antenna, finite element method, anechoic chamber, dielectric material
AbstractA compact planar microstrip line fed 2S patch antenna has been designed and fabricated on the dielectric material substrate for D band applications. The proposed antenna is designed and analysed by using widely used finite element method based high frequency electromagnetic simulator HFSS. Measurement results show that the impedance bandwidths (return loss less than -10 dB) of the proposed antenna are 1.2 GHz ranges from 5.25 GHz to 6.40 GHz and 2.8 GHz from 10.9 GHz to 13.8 GHz. The simulated gain 2.09 dBi, 5.8 dBi, and 5.7 dBi with radiation efficiency 45 %, 64 % and 66 % have achieved at three minimum return loss frequencies 5.6 GHz, 11.5 GHz and 12.7 GHz respectively. The measured almost symmetric and stable radiation pattern makes the proposed antenna suitable for C, X, and Ku band applications. Furthermore, the effect of the size of cutting lots over the radiating patch on the return loss has been analysed.
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