Miniaturized wideband antenna prototype operating over the Ku-band

Sujan Shrestha*, Hijab Zahra, Arslan Kiyani, Mohsen Asadnia, Syed Muzahir Abbas, Abdelhady Mahmoud

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)
37 Downloads (Pure)


A wideband antenna is proposed based on three-dimensional printing technology. The antenna was designed using the PREPERM 10 material, with permittivity ɛr = 10, where the overall height of the proposed prototype was maintained as 12.83 mm (0.51λ), having a lateral dimension of 60 mm × 60 mm, at an operating frequency of 12 GHz (λ = 25 mm). The proposed antenna achieved a wide frequency bandwidth with a voltage standing-wave ratio (VSWR) of less than two, from 10 GHz to 15 GHz in the Ku-band, where the maximum directivity was 20 dBi over a reflection coefficient bandwidth of 50%. It showed a miniaturized non-uniform metasurface of 2.4λ × 2.4λ × 0.51λ that was placed at 16.5 mm (0.66λ) above the ground plane, which was 2.4λ × 2.4λ × 0.04λ in dimension. Thus, the overall height of the proposed antenna system from the feed source was 29.33 mm (1.17λ). The total weight of the system including the designed structures made of PREPERM 10 and ABS with copper-painted prototypes was 96 g and 79 g, respectively. The measured results were consistent with the simulated results, demonstrating the feasibility and effectiveness of the proposed method.

Original languageEnglish
Article number471
Pages (from-to)1-15
Number of pages15
Issue number3
Publication statusPublished - Mar 2022

Bibliographical note

Copyright the Author(s) 2022. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.


  • wideband operation
  • microwave communication
  • 3D printing


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