A compact semi‐elliptical patch antenna fed by a tapered coplanar waveguide is introduced for super‐wideband (SWB) applications. The simulated and experimental results demonstrate that the antenna possesses the desirable SWB characteristics, achieving a ratio bandwidth of 19.7:1 for VSWR ≤ 2, and exhibits a nearly omni‐directional radiation pattern, while its area is only about 0.15λl × 0.21λl, where λl is the wavelength of the lowest operating frequency.
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Yan et al. (2007) studied this question.
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