A Wideband Polarization Reconfigurable Antenna Array Based on Mode Combination Method
-
Zhuo Mu
and
Wen-Ying Meng
Abstract
This paper reports a novel polarization-reconfigurable antenna array based on the theory of mode combination (MC), which can electronically alter its polarization states between left-hand circular polarization (LCP) mode, right-hand circular polarization (RCP) mode, and two combined linear polarization (LP) modes. The array element is adopted as the L-probes fed circularly-polarized antenna reported by Luk et al. [1]. To verify the concept, a prototype of 2×2 antenna array is manufactured and tested. By properly exciting the feeding probes, four polarization modes can be switchable. Measurement results show that the proposed antenna has an overlapped −10 dB impedance bandwidth around 34 % for both CP modes and LP(2) mode, and an overlapped 3 dB axial-ratio bandwidth around 22.0 % of the CP modes. The average realized gains are around 12.4 dB for CP modes and LP(1) mode, which remain stable in the axial-ratio bandwidth.
Acknowledgements
The authors acknowledge the financial support of National Natural Science Foundation of China (Grant No. 61302048), the Natural Science Foundation of Jiangsu Province of China (Grant No. BK20151528), and a project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions.
References
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© 2019 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Research Articles
- A Wideband Polarization Reconfigurable Antenna Array Based on Mode Combination Method
- RCS Enhancement of Dielectric Resonator Tag Using Spherical Lens
- Design and Analysis of Full and Half Mode Substrate Integrated Waveguide Planar Leaky Wave Antenna with Continuous Beam Scanning in X-Ku Band
- A Multi-Thresholding Method Based on Otsu’s Algorithm for the Detection of Concealed Threats in Passive Millimeter-Wave Images
- Investigation of Nanomaterial Dipoles for SAR Reduction in Human Head
- A Balanced Dual-Band BPF Based on C-CSRR with Improved Passband Selectivity
- Two- and Four-Pole Multilayer SIW Filter with High Selectivity and Higher-Order Mode Suppression
- Microstrip Lowpass Filter with Ultra-Wide Stopband Using Folded Structures
Articles in the same Issue
- Frontmatter
- Research Articles
- A Wideband Polarization Reconfigurable Antenna Array Based on Mode Combination Method
- RCS Enhancement of Dielectric Resonator Tag Using Spherical Lens
- Design and Analysis of Full and Half Mode Substrate Integrated Waveguide Planar Leaky Wave Antenna with Continuous Beam Scanning in X-Ku Band
- A Multi-Thresholding Method Based on Otsu’s Algorithm for the Detection of Concealed Threats in Passive Millimeter-Wave Images
- Investigation of Nanomaterial Dipoles for SAR Reduction in Human Head
- A Balanced Dual-Band BPF Based on C-CSRR with Improved Passband Selectivity
- Two- and Four-Pole Multilayer SIW Filter with High Selectivity and Higher-Order Mode Suppression
- Microstrip Lowpass Filter with Ultra-Wide Stopband Using Folded Structures
