Design and Fabrication Methods for a Biconical Antenna at 28 GHz

Juha Tuomela*, Bing Xue, Katsuyuki Haneda, Clemens Icheln

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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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.

Original languageEnglish
Title of host publicationEuCAP 2025 - 19th European Conference on Antennas and Propagation
PublisherIEEE
Number of pages5
ISBN (Print)979-8-3503-6632-7
DOIs
Publication statusPublished - 2025
MoE publication typeA4 Conference publication
EventEuropean Conference on Antennas and Propagation - Stockholm, Sweden, Stockholm, Sweden
Duration: 30 Mar 20254 Apr 2025
Conference number: 19

Conference

ConferenceEuropean Conference on Antennas and Propagation
Abbreviated titleEuCAP
Country/TerritorySweden
CityStockholm
Period30/03/202504/04/2025

Keywords

  • 5G
  • antenna fabrication
  • biconical antenna
  • millimeter wave

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