Abstract
The proposed design of an antenna is a novel microstrip antenna array composed of metamaterial structures, in the form of closed ring unit cell resonators developed on FR4 epoxy (Dielectric constant = 4.2) substrate, which will operate in the Ku band useful for satellite communication purposes. The use of Unit cell resonator allows us to operate at wavelengths of 2cm or 20mm, which is much larger than the diameter of the outer circle, which is 7mm of the unit cell structure. The feed given for the antenna is lumped feed and is directly connected to the strip which is attached to metamaterial structures of circular ring resonators, connected in the form of an array on the top of feed, which are left-handedly positioned, and four structures in the form of array in the right-handed position. The solution frequency has been set at 9 GHz for optimum performance. The proposed antenna has a gain of 8.6 dB, and the return loss of − 16.5 dBi with a bandwidth of 3.3GHz from 7.6–10.9 GHz. The design and the properties of this particular antenna have been studied and performed using the HFSS software, and the results have been compared with Z shaped antenna with unit cell resonators at the left and right hand side of the feed.
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