A Wideband Reflectarray Antenna for Satellite Application with Low Cross-Polarization
Source abstract
Abstract
A double-layer element consisting of a spider-shaped structure on the top layer and a pair of concave arms with a circular ring on the middle layer is proposed for the wideband reflectarray with low cross-polarization characteristics. The unit cell offers a linear and wider phase range of 800∘. Based on the proposed unit cell, an offset-fed reflectarray with an octagonal aperture comprising 6769 unit cells is constructed at 11.725 GHz. The reflectarray offers 1 dB and 3 dB gain bandwidths of 25.2% and 32.3%, respectively, with an operating frequency range of 10–13.85 GHz. A peak gain of 31.2 dBi with an aperture efficiency of 42% is achieved. The cross-polarization levels are less than the co-polarization by 40 dB over the entire operating band.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced Antenna and Metasurface Technologies · Antenna Design and Analysis · Metamaterials and Metasurfaces Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea
Funding
Institute of Information & communications Technology Planning & Evaluation (IITP) · Development of 3D-NET Core Technology for High-Mobility Vehicular Service
References (23)
Show source-provided references
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