A Broadband quasi-Yagi antenna is proposed for mobile applications. This antenna is mainly composed of two pairs of dipoles, two driving units, and a rectangular reflector. The simulation results show that the antenna has a wide impedance bandwidth of 2.35 GHz to 4.47 GHz (61.9 % ) and achieves a peak gain of 3.23 dBi at 4.3 GHz. Additionally, the antenna exhibits a stable radiation pattern and a radiation efficiency greater than 76%. This operating frequency range enables coverage and application in Sub-6 GHz and WLAN systems.
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Feng et al. (2024) studied this question.
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