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:
Oct. 03, 2006
Filed:
Mar. 11, 2002
Applicants:
Joerg Peter Elbers, Munich, DE;
Christoph Glingener, Feldkirchen-Westerham, DE;
Andreas Faerbert, Munich, DE;
Christian Scheerer, Ottawa, CA;
Inventors:
Joerg Peter Elbers, Munich, DE;
Christoph Glingener, Feldkirchen-Westerham, DE;
Andreas Faerbert, Munich, DE;
Christian Scheerer, Ottawa, CA;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 10/08 (2006.01); H04B 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for determining signal quality in optical transmission systems, wherein the effective signal-to-noise ratio is determined by measuring amplitude histograms of a signal and by calculating characteristic histogram moments and additional interference is ascertained by comparing the characteristic histogram moments with the optical signal-to-noise ratio.