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. 28, 2020
Filed:
May. 17, 2018
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventor:
Tomoo Takahara, Kawasaki, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/548 (2013.01); H04B 10/2507 (2013.01); H04L 27/26 (2006.01); H04B 10/079 (2013.01);
U.S. Cl.
CPC ...
H04B 10/548 (2013.01); H04B 10/2507 (2013.01); H04L 27/2628 (2013.01); H04B 10/07953 (2013.01);
Abstract
An optical transmission device includes: an optical transmitter that transmits, at a time of system activation, a control signal to another optical transmission device by using a plurality of subcarriers; and a controller that allocates a link communication channel (LCC) to a subcarrier, among the plurality of subcarriers, for which bare minimum transmission characteristic is obtained, based on a response to the control signal from the other optical transmission device.