ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,374, issued on Feb. 3, was assigned to QUALCOMM Inc. (San Diego).
"Orbital angular momentum (OAM) antenna for generating OAM beams" was invented by Danlu Zhang (San Diego), Min Huang (Beijing) and Hao Xu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "An orbital angular momentum (OAM) antenna includes two or more concentric antenna arrays, each of the antenna arrays corresponding to one or more OAM orders and including a different respective set of antenna elements arranged at a different respective radius, a difference between respective radii of each pair of adjacent antenna arrays of the two or more concentric antenna arrays decreasing as ...