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- Title
A Highly Integrated Millimeter-Wave Circularly Polarized Wide-Angle Scanning Antenna Unit.
- Authors
Yuan, Guishan; Guo, Sai; Wang, Kan; Xu, Jiawen
- Abstract
This paper introduces a novel, small-sized, highly integrated, circularly polarized wide-angle scanning antenna using substrate-integrated waveguide (SIW) technology at millimeter-wave frequencies. The antenna unit addresses requirements for high data transmission rates, wide spatial coverage, and strong interference resistance in communication systems. By integrating radiating square waveguides, circular polarizers, filters, and matching loads, the antenna enhances out-of-band suppression, eliminates cross-polarization, and reduces manufacturing complexity and costs. Utilizing this antenna unit as a component, a 4 × 4 phased array antenna with a two-dimensional ±60° scanning capability is designed and simulated. The simulation and measurement results confirm that the phased array antenna achieves the desired scan range with a gain reduction of less than 3.9 dB.
- Subjects
CIRCULAR polarizers; ANTENNAS (Electronics); CIRCULAR polarization; TELECOMMUNICATION systems; PHASED array antennas; WAVEGUIDES; DATA transmission systems
- Publication
Electronics (2079-9292), 2024, Vol 13, Issue 16, p3328
- ISSN
2079-9292
- Publication type
Article
- DOI
10.3390/electronics13163328