MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202621103138 A) filed by Ramdeobaba University, Nagpur; and Sarnaik, Harsh Sharadrao on August 26, 2026, for A Method For Securing A Physical-Layer Radio Frequency Transmission.
Inventor includes Sarnaik, Harsh Sharadrao.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: The present invention relates to a method (100) for securing a physical-layer radio frequency transmission. The method (100) transforms a complex In-Phase and Quadrature baseband data matrix into spectral-domain data and separates the spectral-domain data into magnitude matrix and a phase matrix. A shared prime-field coordinate set is established through an out-of-band synchronization channel and converted into bounded state input values for discontinuously reseeding a multi- dimensional chaotic signal generator. Synchronized driver state values control a finite-field phase diffusion circuit that modifies quantized phase symbols of the phase matrix. The magnitude matrix bypasses the phase diffusion circuit and is recombined with a diffused phase matrix to form diffused spectral-domain data. The diffused spectral-domain data is inverse-transformed to produce a diffused complex I/Q baseband signal for radio frequency transmission, preserving RF energy profile of the physical-layer signal during transmission.
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