A Compact Dual-Polarized Solar Cell Phased Array Antenna

In this letter, a broadband compact dual-polarized solar cell phased array antenna is proposed. The proposed dual-polarized dipoles are arranged in a "T" shape, which not only makes the antenna compact and easy to fabricate, but also expands the working bandwidth by utilizing the coupling...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2024-10, Vol.23 (10), p.2895-2899
Main Authors: Qiao, Zilin, Chen, Qian, Yang, Qiaorui, Wang, Qinghua, Wang, Wei, Ren, Xingang, Huang, Zhixiang, Yang, Lixia, Li, Yingsong
Format: Article
Language:English
Subjects:
Antenna arrays
Antennas
Bandwidths
Broadband
Broadband antennas
compact
Dipole antennas
Dipoles
Dual polarization (waves)
dual-polarized antenna
Frequencies
Horizontal polarization
Metals
Phased arrays
Photovoltaic cells
solar cell
Solar cells
Substrates
Wireless communication systems
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Summary:In this letter, a broadband compact dual-polarized solar cell phased array antenna is proposed. The proposed dual-polarized dipoles are arranged in a "T" shape, which not only makes the antenna compact and easy to fabricate, but also expands the working bandwidth by utilizing the coupling between the tightly arranged dipoles. Moreover, metal split-rings are introduced to further improve the impedance match and finally achieve a broad bandwidth of 1.1 GHz to -2.5 GHz and a large-angle two-dimensional phase scanning ability of ±45° under a low profile of 0.08λ 0 (λ 0 is the free-space wavelength at the center frequency). The measured maximum realized gain is 10.86 dBi for a horizontally polarized antenna, and the measured radiation efficiency is 61%-88.3% in the working frequency band. Moreover, the solar cells can achieve 100% insolation with an expected solar cell coverage ratio of 77.8%. This compact dual-polarized solar cell phased array antenna is scalable and exhibits promising usage in green wireless communication systems.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2024.3413350