ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,216, issued on Feb. 10, was assigned to QUALCOMM Inc. (San Diego).

"Transmit (TX) local oscillator (LO) leakage calibration" was invented by Chinmaya Mishra (San Diego), Abdellatif Bellaouar (Richardson, Texas), Damin Cao (San Diego), Rajagopalan Rangarajan (San Diego) and Kevin Hsi-Huai Wang (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transmit (TX) local oscillator (LO) leakage calibration circuit including a transceiver having a transmit portion and a receive portion, an interface circuit connected to the transmit portion and the receive portion, an impedance control circuit connected to a low noise amplifier (LNA) in the receive p...