ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,214, issued on March 18, was assigned to QUALCOMM Inc. (San Diego).
"Signal modification for control channel physical layer security" was invented by Ahmed Elshafie (San Diego) and Hung Dinh Ly (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter device may modify, based at least in part on a secrecy key, an input or an output of at least one of binary scrambling, modulation, or orthogonal frequency division multiplexing (OFDM) tone mapping for a physical control channel signal, resulting in a secured physical control channel si...