Highly Omnidirectional Monopole-like Radiation With SIW Slot Antenna in Ka-Band

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Abstract

A monopole-like radiation pattern with high omnidirectivity in Ka-band is generated by substrate integrated waveguide (SIW) slot antenna. Two pairs of symmetric slots are designed to facilitate the radiation of two out-of-phase elements based on the fundamental TM11 mode in SIW cavity, leading to the cancellation of electromagnetic (EM) fields in the broadside direction, thus yielding a monopole-like radiation pattern. Moreover, four metal vias are properly positioned to improve the impedance matching. Simulation results show a highly omnidirectional radiation pattern in azimuth plane (θ = 54◦) and a deep null (<-95 dB) in broadside, and the realized gain is 1.81 dBi at 28.86 GHz.
OriginalsprogEngelsk
Titel2023 17th European Conference on Antennas and Propagation (EuCAP)
ForlagIEEE (Institute of Electrical and Electronics Engineers)
Publikationsdato2023
Artikelnummer10133573
ISBN (Trykt)978-1-6654-7541-9
DOI
StatusUdgivet - 2023
Begivenhed17th European Conference on Antennas and Propagation, EuCAP 2023 - Florence, Italien
Varighed: 26 mar. 202331 mar. 2023

Konference

Konference17th European Conference on Antennas and Propagation, EuCAP 2023
Land/OmrådeItalien
ByFlorence
Periode26/03/202331/03/2023

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