ALEXANDRIA, Va., May 19 -- United States Patent no. 12,634,172, issued on May 19, was assigned to Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. (Munich).

"Transmission of pilot sequences" was invented by Jonathan Andree (Berlin), Malte Hinrichs (Berlin), Kai Lennert Bober (Berlin) and Volker Jungnickel (Berlin).

According to the abstract* released by the U.S. Patent & Trademark Office: "There are provided techniques for transmitting, receiving and coordinating pilot sequences, and for evaluating channel properties. A pilot signal may comprise a pilot sequence, which comprises a plurality of symbols with: at least one first set of equally spaced symbols, and at least one second set of equally spaced symbols, the sym...