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:
Jun. 30, 2026
Filed:
Jul. 16, 2024
Ciena Corporation, Hanover, MD (US);
Hamidreza Mafi, Montréal, CA;
Sadok Aouini, Gatineau, CA;
Naim Ben-Hamida, Ottawa, CA;
Mohammad Honarparvar, Stittsville, CA;
Yvon Savaria, Montréal, CA;
CIENA CORPORATION, Hanover, MD (US);
Abstract
Aspects of the subject disclosure may include, for example, a digital timing skew compensator, including: a first polyphase adaptive filter bank having a first input and a first output; a first input matrix coupled to the first input of the first polyphase adaptive filter bank; a first subtractor coupled to the first output of the first polyphase adaptive filter bank, wherein the first subtractor removes a first signal generated by the first polyphase adaptive filter bank from digital outputs of sub analog-to-digital converters (ADCs) of a time-interleaved ADC to create a desired signal, wherein the desired signal is coupled to the first input matrix; a modulation matrix that modulates the digital outputs of the sub-ADCs to create a modulated signal vector; a second polyphase adaptive filter bank having a second input and a second output; a second input matrix coupled to the second input of the second polyphase adaptive filter bank; and a second subtractor coupled to the second output of the second polyphase adaptive filter bank, wherein the second subtractor removes a second signal generated by the second polyphase adaptive filter bank from the modulated signal vector to create an error signal, wherein the error signal is coupled to the second input matrix. Other embodiments are disclosed.