Abstract
AbstractA miniaturized uniplanar slot dipole for triple‐frequency operation is presented. The antenna consists of a folded slot radiator with an increased number of degrees of freedom that allow for efficient size reduction. Rigorous electromagnetic (EM)‐driven design optimization is applied in order to achieve the smallest possible size while maintaining acceptable levels of antenna reflection at the required operating frequencies. The latter is ensured by using suitably defined design constraints. The size of the antenna is 51 mm × 33.4 mm (footprint area of around 1700 mm2) which corresponds to 0.42λ0 × 0.27λ0 for the lowest operating frequency. Experimental validation confirms good electrical and field performance of the structure.
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