US Patent Issued to NEC on Jan. 20 for "Optical signal state estimation apparatus, optical signal state estimation method, and non-transitory computer-readable storage medium" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,640, issued on Jan. 20, was assigned to NEC Corp. (Tokyo).

"Optical signal state estimation apparatus, optical signal state estimation method, and non-transitory computer-readable storage medium" was invented by Jun Kodama (Tokyo), Yoshiaki Sakae (Tokyo), Yuji Kobayashi (Tokyo), Etsuko Ichihara (Tokyo), Jun Nishioka (Tokyo), Takashi Konashi (Tokyo) and Hiroki Tagato (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "At least one processor included in an optical signal state estimation apparatus carries out: an acquisition process for acquiring a constellation of an optical signal; a generation process for generating time series data in which piec...