Abstract
AbstractReduced lightweight microstrip patch antennas have attracted considerable attention in ultra‐wideband (UWB) applications. In this article, a novel modified circular ultra‐wideband monopole antenna with dual‐band notch characteristics is proposed. A circular split‐ring slot and a mushroom‐electromagnetic bandgap‐type structure are employed to realize the dual‐band notch characteristics. The proposed antenna exhibits the bandwidth of 2.0‐12 GHz with a Voltage Standing Wave Ratio <2 except at the WiMAX band of 3.2‐3.7 GHz and wireless local area network band of 5.1‐5.8 GHz. The simulated and measured results of the proposed antenna, along with the design parameters, are reported and discussed in detail. The results show that the antenna is suitable for UWB applications.
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