Design and Analysis of Rectangular Circularly Polarized Array Antenna for Flexible IoT Applications

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  mm 2 with a substrate thickness of 1.6 mm. Polyamide is used as a substrate which has a...

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Bibliographic Details
Published in:Wireless personal communications 2023, Vol.130 (2), p.1257-1275
Main Authors: Sagar, Penumala Prem, Rajesh, Vullanki, Altahan, Baraa Riyadh, Venkateswararao, M., Ahammad, Sk Hasane, Smirani, Lassaad K., Hossain, Md. Amzad, Rashed, Ahmed Nabih Zaki
Format: Article
Language:English
Subjects:
Antenna arrays
Antennas
Circular polarization
Communications Engineering
Computer Communication Networks
Engineering
Networks
Polyamide resins
Radio altimeters
Signal,Image and Speech Processing
Substrates
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Summary: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  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.
ISSN:0929-6212
1572-834X
DOI:10.1007/s11277-023-10330-6