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.:

US 10686531 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 16, 2020

Filed:

Jun. 03, 2019
Applicant:

Zte Corporation, Shenzhen, Guangdong, CN;

Inventor:

Jianjun Yu, Basking Ridge, NJ (US);

Assignee:

ZTE Corporation, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/50 (2013.01); H04B 10/61 (2013.01);
U.S. Cl.
CPC ...
H04B 10/6165 (2013.01); H04B 10/613 (2013.01);
Abstract

Phase imbalance between in-phase (I) and quadrature (Q) components of an optical communications signal causes signal degradation that can result in degraded bit-error rate performance, increased power requirements, and reduced transmission distance. The signal degradation can be expressed as a reduced signal to noise and interference ratio. The disclosed system and techniques monitor the phase imbalance between the I and Q channels and provides for adjustment of the phase of one or more of the I and Q channels to improve overall performance.


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Yu, Jianjun. (2020). Monitoring and correcting i/q imbalance in high-speed optical communications systems (U.S. Patent No. 10686531). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10686531

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