Abstract
AbstractIn this article, a compact complementary split ring resonator (CSRR) based double-negative (DNG) metamaterial antenna is presented for wideband (4.49 GHz–21.85 GHz) wireless application. The antenna is incorporated with a DNG metamaterial patch: 50Ω microstrip feed line and partial ground plane. The antenna shows measured fractional bandwidth of 131.81% with a compact size of 0.37λ×0.37λ×0.01λ. The commercially available finite integration technique (FIT)-based simulation software, computer simulation technology (CST) microwave studio was adopted to investigate the performance of the proposed antenna. Several parametric studies were performed to investigate the effect of key structural parameters on antenna performances. The double-negative characteristics of the metamaterial were investigated as well.
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