MUMBAI, India, July 7 -- Intellectual Property India has published a patent application (202641061314 A) filed by Mepco Schlenk Engineering College on May 14, 2026, for Slotted Circular Ring Patch Antenna For Dual Band Circularly Polarized Satellite Communication.
Inventors include Dr. G. Prema; Dr. R. Ahila Priyadharshini; M. Suresh Kumar; and M. Sujin.
The application for the patent was published on July 03, 2026, under issue no. 27/2026.
Abstract: A compact dual-band circularly polarized (CP) antenna for satellite communication is designed and fabricated using a hybrid circular and rectangular microstrip patch configuration. Fabricated on a high-performance Rogers R04003C substrate (), the antenna is engineered to operate across the C-band (7.85 GHz) and Ku-band (15.95 GHz) to balance robust signaling with high data rates. To achieve these dual-resonance characteristics and optimize performance, rectangular and circular slots are strategically integrated into the patch design, effectively extending the current path and enhancing the polarization purity. Experimental results for the prototype demonstrate reliable impedance matching with a return loss of -11.744 dB and - 10.298 dB, and corresponding VSWR values of 1.7049 and 1.8901, respectively. The design’s omnidirectional radiation pattern and circular polarization make it an ideal solution for modern satellite platforms, such as CubeSats, where reducing space and weight while maintaining stable, interference-resistant links is critica
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