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In this paper, a novel dual-band planar antenna based on the zeroth order resonator is presented. The key component of the antenna is the composite right/left-handed (CRLH) coplanar waveguide (CPW), which consists of series interdigital capacitors (IDCs) and shunt short-circuited stub inductors (SSIs). By relaxing the balance condition for the CRLH CPW structure, the proposed antenna can operate at...
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