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2025-05-27
Conception and Fabrication of a New Steerable Microstrip Antenna for ISM Band Applications
By
Progress In Electromagnetics Research Letters, Vol. 126, 31-36, 2025
Abstract
This paper presents the conception and fabrication of a new steerable microstrip antenna for ISM band applications. At first, the fundamental antenna element is designed, optimized, and miniaturized to operate at 2.45 GHz, exhibiting a narrow impedance bandwidth and a good gain. However, the standalone element lacks beam steering capability. To enable directional control of its radiation pattern, a novel 3 dB hybrid coupler is used to feed two identical optimized elements, forming a switched array antenna. The resulting configuration achieves a wide impedance bandwidth and improved gain with beam steering capability. The proposed steerable antenna is designed and fabricated on a Rogers RT/duroid 5880 substrate. The simulated results are validated with measured data, showing good agreement and confirming the design's performance.
Citation
Abdelaaziz El Ansari, Shobhit Kisan Khandare, Kaoutar Allabouche, Najiba El Amrani El Idrissi, Zahriladha Zakaria, and Ahmed Jamal Abdullah Al-Gburi, "Conception and Fabrication of a New Steerable Microstrip Antenna for ISM Band Applications," Progress In Electromagnetics Research Letters, Vol. 126, 31-36, 2025.
doi:10.2528/PIERL25032502
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