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2025-12-07
Slot-Enhanced Next-Generation Wireless Antenna for Millimeter-Wave Applications for SDG-9 and SDG-11
By
Progress In Electromagnetics Research C, Vol. 162, 224-233, 2025
Abstract
This article presents a slot-enhanced compact antenna tailored for next-generation millimeter-wave communication systems. The design, implemented on an FR4 substrate with dimensions of 15 × 16 × 1.5 mm3, was optimized using CST Microwave Studio and validated through fabrication and experimental testing. At 9.1 GHz, the antenna exhibits an electrical size of 0.45λ × 0.48λ × 0.045λ, confirming its suitability for integration into modern high-frequency platforms. The measured and simulated results demonstrate an ultra-wide impedance bandwidth of approximately 166%, covering 9.1-100 GHz with a primary resonance observed at 45.45 GHz. Throughout this wide operating spectrum, the antenna maintains stable radiation characteristics, achieving a peak gain of 8.91 dBi and efficiency close to 90%. The slot-based geometry enables excitation of multiple resonant modes, ensuring wideband operation while maintaining compactness. With its robust performance across multiple frequency bands, the proposed antenna is a strong candidate for applications in X-band radar, Ku- and Ka-band satellite communications, K-band sensing, V-band short-range links, W-band automotive radar, and future 6G wireless networks.
Citation
Swati Varun Yadav, Manish Varun Yadav, Saraswati Kulkarni, Vikas Gupta, and Tanweer Ali, "Slot-Enhanced Next-Generation Wireless Antenna for Millimeter-Wave Applications for SDG-9 and SDG-11," Progress In Electromagnetics Research C, Vol. 162, 224-233, 2025.
doi:10.2528/PIERC25091902
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