ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,546, issued on Aug. 25, was assigned to CesiumAstro Inc. (Austin, Texas).

"Blind direction of arrival estimation systems and methods" was invented by James Wesley McCoy (Leander, Texas), Thomas Magesacher (Austin, Texas) and Tanim Taher (Round Rock, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A circuit may include an input to receive a signal corresponding to a radio frequency signal received at each element of an antenna array. The circuit may include a beamforming circuit configured to determine two or more samples of a symbol period of the signal from each antenna element and to determine the error estimates for each antenna element base...