Abstract
In this article, eight elements multiple inputs and multiple outputs (MIMO) antenna for satellite communication with neutralize block, parasitic elements and Defective ground structure (DGS) is proposed. The proposed design is printed on FR4 low cost material with the size of 60 mm × 60 mm × 1.6 mm. The presented MIMO antenna contain four unit cells, four parasitic elements and DGS; each unit cell contain two radiating elements and neutralize block. Parasitic elements, DGS and neutralize block are used to minimize mutual coupling, neutralize block and parasitic elements are used on front side and DGS is on back side of the design. The reflection coefficient <−10 dB in the range of 14 GHz–18 GHz with impedance bandwidth of 4 GHz and isolation >25 dB in the given bandwidth. The envelope correlation coefficient (ECC) < 0.008, diversity gain (DG) > 9.96 dB and peak gain is equal to 6.32dBi. Furthermore the fabricated prototype was tested in anechoic chamber; measured results was analyzed and found similar to simulated results.
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