ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,618, issued on Dec. 16, was assigned to Apple Inc. (Cupertino, Calif.).
"Calibrating wireless circuitry with digital predistortion" was invented by Andrea Camuffo (Munich).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device may include wireless circuitry having a radio-frequency amplifier. A method for calibrating the wireless circuitry is provided that includes characterizing a linear transformation between an input of the radio-frequency amplifier and an input of a feedback receiver, where the radio-frequency amplifier has an output that is coupled to the input of the feedback receiver via a filter and a radio-frequency coupler, obt...