article
In this paper, the design of WiFi antenna array at 2.4 GHz is presented. To overcome the limitations in electrical characteristics, in order to enhance impedance matching, a slot approach was first used, yielding a gain at 2.87 dBi and a return loss S11 at -17.59 dB. Further modifications are used, including chamfered edges and an additional rectangular element, resulted in an enhanced S11 at-45.17 dB and a gain at 3.06 dBi, suggesting improved radiation efficiency and impedance. After that, the 2x2 antenna array was added to boost gain even further, resulting in an S11 at -30.08 dB and a gain at 6.16 dBi. This iterative design process demonstrates the potential of combined structural refinements and array techniques to enhance the performance of proposed antenna for wireless applications.
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DOI: 10.1109/ssd64182.2025.10989841
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