MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202641056983 A) filed by The Principal, Mepco Schlenk Engineering College on May 05, 2026, for Multi Frequency Fractal Antenna For Dynamic Spectrum Access.
Inventors include Dr. V. Karthikeyan; R. Harshitha Jeyarathinam; A. Narmada; and V, Karthika.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: ABSTRACT OF THE INVENTION: Multi-Frequency Fractal Antenna for Dynamic Spectrum Access The present invention discloses a frequency reconfigurable antenna system designed using a fractal monopole geometry integrated with PIN diode-based switching elements. Fabricated on a high-frequency ROGERS 5880 substrate, the antenna supports dynamic tuning across multiple frequency bands via electronically controlled diode states. The reconfigurable design enables operation in at least three distinct frequency bands ranging from 2.3 GHz to 3.6 GHz, making it highly suitable for cognitive radio systems and modern wireless communication technologies. The antenna exhibits efficient return loss, optimal VSWR, and stable radiation patterns across all operating conditions, offering a compact and robust solution for spectrum-adaptive communication networks.
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