ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,412, issued on Aug. 26, was assigned to Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V. (Munich).

"Iterative transmit refinement" was invented by Martin Kurras (Berlin), Thomas Haustein (Berlin), Lars Thiele (Berlin) and Jasmina McMenamy (Berlin).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for a wireless communication network is described that has an antenna unit. The antenna unit includes a plurality of antennas or one or more antenna arrays each having a plurality of antenna elements. The apparatus communicates with one or more network entities of the wireless communication network, like a base station or anothe...