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

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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.
Original languageEnglish
Title of host publication2023 17th European Conference on Antennas and Propagation (EuCAP)
PublisherIEEE
Publication date2023
Article number10133573
ISBN (Print)978-1-6654-7541-9
DOIs
Publication statusPublished - 2023
Event17th European Conference on Antennas and Propagation, EuCAP 2023 - Florence, Italy
Duration: 26 Mar 202331 Mar 2023

Conference

Conference17th European Conference on Antennas and Propagation, EuCAP 2023
Country/TerritoryItaly
CityFlorence
Period26/03/202331/03/2023

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