The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 13, 2026
Filed:
Feb. 08, 2021
Applicant:
Nec Corporation, Tokyo, JP;
Inventors:
Ankith Vinayachandran, Tokyo, JP;
Emmanuel Le Taillandier De Gabory, Tokyo, JP;
Naoto Ishii, Tokyo, JP;
Norifumi Kamiya, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/2507 (2013.01); H04B 10/2543 (2013.01); H04B 10/516 (2013.01); H04B 10/58 (2013.01);
U.S. Cl.
CPC ...
H04B 10/516 (2013.01); H04B 10/2507 (2013.01); H04B 10/2543 (2013.01); H04B 10/58 (2013.01);
Abstract
A symbol constellation generation apparatus () acquires specification information () of the optical communication system (). The symbol constellation generation apparatus () uses a first prediction model () to generate noise characteristics information () based on the specification information (). The symbol constellation generation apparatus () uses a second prediction model () to generate symbol constellation () suited to the optical communication system having the noise characteristics represented by the noise characteristics information ().