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A study on broadband printed bell-shaped monopole antenna with short stub

In this paper, a study on a miniaturized broadband printed monopole antenna is described. The design integrates a printed bell-shaped monopole antenna with short stub. The antenna improve the impedance matching in the lower frequency band by attaching the short stub. The designed antenna operates impedance bandwidth of 3.1∼10.6 GHz. The radiation patterns of omni-directional are obtained over the frequency range. This antenna acquired broadband characteristic covering the frequency band of UWB system by simulation.