Design and Fabrication Methods for a Biconical Antenna at 28 GHz
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A4 Artikkeli konferenssijulkaisussa
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en
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5
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EuCAP 2025 - 19th European Conference on Antennas and Propagation
Abstract
This paper investigates the design and fabrication of a low-cost biconical antenna for wireless channel characteristic studies at mmW bands. The proposed antenna consists of a plastic base with two cone indentations, covered with a conductive material. The antenna has a -10 dB impedance bandwidth of 21 to 33 GHz, 1.4 dBi realised gain in the H-plane, and 0.05 dB gain variation in the H-plane at 28 GHz based on the full-wave simulations. The effects of the metal's thickness, roughness, and conductivity on the antenna's radiations are studied before fabrication. Finally, the metal coating of the antenna is fabricated with 3 different methods, and it is found that using a hand-painted silver paint surface is comparable to an industrially painted copper paint surface with 1.3 dBi realised gain and 1.4 dB gain variation in the H-plane at 28 GHz. Copper tape produced much worse results and was found only suitable for some applications that do not need high performance.Description
Publisher Copyright: © 2025 European Association on Antennas and Propagation.
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Tuomela, J, Xue, B, Haneda, K & Icheln, C 2025, Design and Fabrication Methods for a Biconical Antenna at 28 GHz. in EuCAP 2025 - 19th European Conference on Antennas and Propagation. IEEE, European Conference on Antennas and Propagation, Stockholm, Sweden, 30/03/2025. https://doi.org/10.23919/EuCAP63536.2025.10999419