In recent years, millimeter wave (mmWave) antennas have garnered considerable attention, especially in the realm of 5G applications. This study introduces a compact wideband planar bowtie antenna designed specifically for 5G mmWave communications. The antenna consists of a pair of bowtie patches that are fed by a grounded co-planar waveguide (GCPW). Notably, this design requires only two thin substrate layers. Simulation results demonstrate that the antenna offers a broad bandwidth of 33.35% (34.62–47.96 GHz) and achieves a realized gain of 6.25 dBi at 40 GHz.
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Jiang et al. (2024) studied this question.
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