ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,756,478, issued on Oct. 6, was assigned to CIENA Corp. (Hanover, Md.).

"Method and system for blind learning of volterra equalizer parameters" was invented by Ramin Babaee (Ottawa) and Shahab Oveis Gharan (Ottawa).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the subject disclosure may include, for example, conducting blind learning of correction parameters for non-linear (NL) distortion associated with one or more components of a system, resulting in learned correction parameters, wherein the conducting is performed without a need to identify or estimate a reference input associated with the one or more components, and causing the learned cor...