Design of a Miniaturized Ultra Wideband Monopole Slot Antenna
In order to meet the demand of modern wireless communication systems for small ultra wideband monopole slot antenna,this paper proposes a coaxial fed miniaturized ultra wideband antenna,which is printed on a 0.4 mm thick FR4 di-electric substrate with a size of 25.5×24 mm2.The radiation unit of this antenna is a rectangular radiation patch,with two sym-metrical C-shaped parasitic patches on both sides of the feed wire.There are four rectangular grooves and Φ-shaped groove on the ground,and radiation patch are connected to the ground through coaxial feeders.This paper uses HFSS2022 software to simulate and optimize the antenna,which has a bandwidth of 3～10.8 GHz and good bandwidth characteristics.
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