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A zeroth-order resonance (ZOR) and first-order resonance (FOR) antenna based on the metamaterial is presented in this paper. The epsilon negative transmission line (ENG-TL) includes one meander line for realizing shunt inductance. The antenna is fed by an asymmetric co-planar waveguide (ACPW). The asymmetry of this structure brings about ZOR and FOR mode, which are merged into one passband to achieve...
A broadband and electrically small planar monopole is presented in this letter. In order to increase the impedance bandwidth, a metal patch embedded with two epsilon-negative meander lines is used as the main radiator and the ground plane is periodically etched with cross slots. The etched ground and the patch form a metamaterial transmission line (MTL) resonance, which not only miniaturizes the antenna...
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