Low-Profile Dual-Polarized Antenna Integrated with Horn and Vivaldi Antenna in Millimeter-Wave Band
Source abstract
Abstract
In this paper, a dual-polarized antenna based on a substrate-integrated waveguide (SIW) horn antenna and Vivaldi antenna is proposed. The horizontal polarization (HP) is achieved by using the H-plane SIW horn antenna, while the vertical polarization (VP) is realized by a typical Vivaldi antenna etched on the surface of the SIW horn antenna. In front of the horn aperture, a dielectric lens is designed to optimize impedance matching and enhance directivity. Different feeding structures of the two polarizations are used to enhance the isolation between the two ports. The measured results demonstrate a 20.04–25.5 GHz (23.97%) overlapped dual-polarized impedance bandwidth, and the measured maximum gains of the HP and VP are 5.2 dBi and 8.2 dBi, respectively. A good isolation of 35 dB within the operating band is realized. The proposed dual-polarized antenna meets the demand to transmit and receive signals in two polarization directions simultaneously for wireless communication well.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Microwave Engineering and Waveguides · Millimeter-Wave Propagation and Modeling · Antenna Design and Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Unit 93128, The Chinese People’s Liberation Army, Beijing 100000, China
Zhengzhou Key Laboratory of Electronic Information Functional Materials and Devices, Huanghe Science and Technology College, Zhengzhou 450061, China
Funding
National Key R&D Program of China · “Siyuan Scholar” Fellowship of XJTU · Shaanxi Province Innovation Capability Support Program
References (30)
Show source-provided references
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