Abstract
In this work, a Coaxial fed 2 × 2 array antenna is proposed. This antenna employsfour patch elements, and the individual feedlines are connected to a standard coaxial feed. The size of the antenna is 74.4 × 74.4 \({\mathrm{mm}}^{2}\) with a substrate thickness of 1.6 mm. Polyamide is used as a substrate which has a dielectric constant of 4.3. The antenna's operating band starts from 4.05 to 4.32 GHz, with a bandwidth of 0.27 GHz and a resonating frequency of 4.2 GHz and 5.2 GHz. The proposed antenna achieved a peak gain of 9.1 dB and a radiation efficiency of 85%. The design and simulations of the antenna were made using HFSS software. This antenna works for receiving band of standard c-band and as radio altimeters.
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Acknowledgements
The authors would like to thank the Deanship of Scientific Research at Umm Al-Qura University for supporting this work by Grant Code: (22UQU4340560DSR12). The authors also extend their appreciation and gratitude to Al-Mustaqbal University College in Iraq for funding this project.
Funding
This work is funded by the Deanship of Scientific Research at Umm Al-Qura University for supporting this work by Grant Code: (22UQU4340560DSR12).
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Conceptualization, PPS, VR, BRA, SH, MV; Data curation, Formal analysis, Investigation, BRA, LKS; Methodology,SH, LKS, ANR; Resources, Software, VR, SH, Md. AH, MV; Supervision, Validation, BRA, LKS, PPS, VR, ANR; Visualization, Writing—original draft, SHA, Md. AH, ANR; Writing—review editing.
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Sagar, P.P., Rajesh, V., Altahan, B.R. et al. Design and Analysis of Rectangular Circularly Polarized Array Antenna for Flexible IoT Applications. Wireless Pers Commun 130, 1257–1275 (2023). https://doi.org/10.1007/s11277-023-10330-6
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DOI: https://doi.org/10.1007/s11277-023-10330-6