Abstract
A novel compact miniaturized A-shaped monopole antenna with triple-band operation was designed and presented in this paper. The antenna consists of a microstrip fed with a ground plane and four strip joint connections forming an A-shaped antenna that generates a multiband resonance. The antenna demonstrates three frequency operations with resonant modes of 2.7-3.2 GHz/3 GHz, 3.9-5.1 GHz/4.4 GHz, and 6.8-7.4 GHz/7.1 GHz, with impedance bandwidths of 16.67%, 27.27%, and 8.45%, respectively. The proposed antenna has a compact size of 26×32×0.8 mm3 and demonstrates a good radiation pattern and current density on the surface of the patch and ground. High-Frequency Structure Simulator (HFSS) software was used to simulate the antenna on a Flame Retardant- 4 (FR-4) dielectric substrate.
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