ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,406, issued on March 18, was assigned to Space Exploration Technologies Corp. (Hawthorne, Calif.).
"System and method for over-the-air antenna calibration" was invented by Ersin Yetisir (Redmond, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An antenna calibration system for a phased array antenna in accordance with one embodiment of the present disclosure generally includes: a beamformer corresponding to a subset of antenna cells of a plurality of antenna cells, wherein the beamformer includes a calibration section for comparing a reference signal to a non-reference signal and a first operating antenna within the subset of antenna cells cor...