ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,853, issued on Dec. 9, was assigned to NXP USA Inc. (Austin, Texas).

"Polar transmitter calibration" was invented by Vijay Ahirwar (Pune, India), Oliver Jerome Celestin Jamin (Sainte Honorine du Fay, France) and Nilesh Nilkanth Khude (Pune, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Polar transmitter calibration Various embodiments relate to a transmit and receive system using polar modulation, including: a transmitter configured to produce a transmit signal using modulation; a receiver configured to receive a transmit signal using in-phase/quadrature (IQ) processing; a Tx/Rx switch configured to loop a transmitted signal from the transmitt...