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:
Jul. 05, 2016
Filed:
Aug. 11, 2014
Applicant:
Nec Laboratories America, Inc., Princeton, NJ (US);
Inventors:
Eduardo Mateo Rodriquez, Tokyo, JP;
Fatih Yaman, Monmouth Junction, NJ (US);
Shaoliang Zhang, Princeton, NJ (US);
Ting Wang, West Windsor, NJ (US);
Assignee:
NEC Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 27/20 (2006.01); H04L 25/03 (2006.01);
U.S. Cl.
CPC ...
H04L 27/2067 (2013.01); H04B 2201/709709 (2013.01); H04L 25/03343 (2013.01);
Abstract
This invention proposes an alternative modulation format for channels that present improved performance when such channels co-propagate with existing intensity modulated channels. This modulation format is named Rhombic-QPSK (R-QPSK) and it is designed in such a way that it presents more tolerance to phase noise created by the nonlinear interaction with the legacy channels.