Design and Validation of A 30 GHz 8×8 Slot Antenna Array with Ridge Waveguide Pins/Holes Layers - Publikacja - MOST Wiedzy

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Design and Validation of A 30 GHz 8×8 Slot Antenna Array with Ridge Waveguide Pins/Holes Layers

Abstrakt

This paper presents an 8×8-element slot antenna array optimized for 30 GHz band applications, achieving high gain, wide impedance bandwidth, and high efficiency. The array employs a pin/hole-based design, which enables a compact structure and reduces fabrication complexity and cost, as it eliminates the need for electrical contact between its three primary layers: the metal radiating slot plate, a sub-array cavity layer, and a ridge waveguide feed network layer. The corporate feed network is realized through an array of pins and guiding ridges integrated into a metal plate, effectively distributing power to the radiating elements. A double transition from ridge waveguide to rectangular waveguide, leading to a 2.92 mm coaxial connector, ensures efficient feeding. Each component, including the radiating elements, cavity layer, power dividers, and transitions, is designed and optimized to maintain a low reflection coefficient (|S11| < -10 dB) across the 25–35 GHz frequency range. The 8 × 8 array is fabricated using standard milling techniques. The measured impedance matching bandwidth of approximately 33% is obtained, covering the entire 25-to-35 GHz range. The array consistently demonstrates a gain of over 23 dBi validating its performance for high-frequency applications.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
Scientific Reports nr 15,
ISSN: 2045-2322
Język:
angielski
Rok wydania:
2025
Opis bibliograficzny:
Raza H., Kozieł S., Szczepański S.: Design and Validation of A 30 GHz 8×8 Slot Antenna Array with Ridge Waveguide Pins/Holes Layers// Scientific Reports -Vol. 15, (2025), s.1-15
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1038/s41598-025-91583-y
Źródła finansowania:
  • Publikacja bezkosztowa
Weryfikacja:
Politechnika Gdańska

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