A Reconfigurable Millimeter-Wave Antenna Array With Wide-Range Continuous Beamwidth Control (WCBC) Based on Polarization-Mixing

This article presents a reconfigurable millimeter-wave (mm-wave) dual-polarized antenna array system featuring wide-range continuous beamwidth control (WCBC) using the polarization-mixing method. By simultaneously exciting dual polarizations, the system achieves wider beams, with a continuously adju...

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Vydáno v:IEEE transactions on antennas and propagation Ročník 72; číslo 4; s. 3092 - 3103
Hlavní autoři: Zeng, Fanchao, Ding, Can, Guo, Y. Jay
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.04.2024
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Antenna arrays
Antenna radiation patterns
Antennas
Beamforming
Beams (structural)
beamwidth control
chip
Circuit design
Dual polarization (waves)
dual-polarization
Error analysis
Millimeter waves
millimeter-wave (mm-wave)
Phase shifters
phased array
Phased arrays
Polarization
polarization-mixing
Power dividers
Reconfiguration
spatially variable-orthogonal-polarization (SVOP)
Stability analysis
Switches
Tuning
ISSN:0018-926X, 1558-2221
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Popis
Shrnutí:This article presents a reconfigurable millimeter-wave (mm-wave) dual-polarized antenna array system featuring wide-range continuous beamwidth control (WCBC) using the polarization-mixing method. By simultaneously exciting dual polarizations, the system achieves wider beams, with a continuously adjustable beamwidth ranging from 21° to 100°. Additionally, the system retains its original beam scanning capabilities when using the two polarizations separately. Importantly, the ability in flexible beam scanning and wide beamwidth tuning is accomplished with only phase shifters without the need for amplitude control. All antenna elements are fully excited, ensuring high overall efficiency. The robustness and stability of the system are confirmed through error analysis. The WCBC array system is designed, fabricated, and experimentally validated. By employing a control circuit, it realizes reconfigurable dual functionality, i.e., beam scanning and wide beamwidth variation, in a simple and cost-effective manner.
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content type line 14
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2024.3366978