In this letter, we present a new antenna configuration in which a coplanar waveguide (CPW) is used to feed a cylindrical dielectric resonator (DR) and a subjacent circular patch to generate an omnidirectional radiation pattern. A first prototype, designed to resonate near 2.45 GHz, shows that an impedance bandwidth of 6.3% is achievable using a single layer of substrate.
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Perron et al. (2008) studied this question.
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