ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,104, issued on Sept. 23, was assigned to Nokia Solutions and Networks Oy (Espoo, Finland).
"Receiver-based fiber-optic link monitor" was invented by Paolo Serena (Podenzano, Italy), Chiara Lasagni (Quattro Castella, Italy), Alberto Bononi (Lesignano de' Bagni, Italy), Matteo Lonardi (Villafranca di Verona, Italy), Petros Ramantanis (Antony, France) and Amirhossein Ghazisaeidi (L'Hays-les-Roses, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A digital processor (DP) is configured to obtain a temporal sequence of digital phase distortion measurements of a first optical signal received by a coherent optical receiver (COR) from an optical fiber ...