ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,230,883, issued on Feb. 18, was assigned to REQUTECH AB (Linkoping, Sweden).
"Antenna array with cross-polarization leakage suppression" was invented by Torleif Martin (Linkoping, Sweden) and Omid Sotoudeh (Linkoping, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for improving cross-polarization discrimination in a dual-polarized antenna array that includes antenna elements, each including at least two feeding ports to excite the antenna element with mutually independent signals having respective complex amplitudes. The method includes: determining, for each feeding port and antenna element, an electromagnetic far field resulting from e...