Abstract
A miniaturized coplanar waveguide (CPW) fed rectangular nested loop antenna is proposed for penta band wireless applications. Multiband and antenna compactness are obtained by using rectangular loop resonators. The proposed antenna has been optimized by increasing the number of loop iterations. The designed antenna comprises four rectangular loops, it constructs the antenna to excite 1.01 GHz, 1.67 GHz, 2.30 GHz, 2.92 GHz and 3.48 GHz frequency bands. The fabricated geometry has a dimension of 30 × 30 × 1.6 mm3, which is developed on a low-cost Flame Retardant-4 substrate having εr = 4.4 and tanδ = 0.02. The resonance behavior of the proposed antenna is verified by employing LC quasi-static design equations. The measured reflection coefficient and far-field pattern are exhibited to support the performance of the designed antenna for wireless applications.
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