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.

Date of Patent:
May. 16, 2023

Filed:

Jul. 30, 2018
Applicant:

Ciena Corporation, Hanover, MD (US);

Inventors:

Shahab Oveis Gharan, Nepean, CA;

Mohammad Ehsan Seifi, Ottawa, CA;

Kim B. Roberts, Ottawa, CA;

Assignee:

CIENA CORPORATION, Hanover, MD (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 1/00 (2006.01); H03M 13/25 (2006.01); H03M 13/29 (2006.01); H03M 13/11 (2006.01); H04L 1/20 (2006.01); H03M 13/03 (2006.01); G06F 17/18 (2006.01); G06F 17/15 (2006.01);
U.S. Cl.
CPC ...
H04L 1/00 (2013.01); G06F 17/18 (2013.01); H03M 13/03 (2013.01); H03M 13/1125 (2013.01); H03M 13/253 (2013.01); H03M 13/29 (2013.01); H03M 13/2948 (2013.01); H04L 1/0041 (2013.01); H04L 1/0045 (2013.01); H04L 1/0063 (2013.01); H04L 1/0064 (2013.01); H04L 1/0066 (2013.01); H04L 1/203 (2013.01); G06F 17/156 (2013.01);
Abstract

In data communications, a suitably designed contrast coding scheme, comprising a process of contrast encoding () at a transmitter end () and a process of contrast decoding () at a receiver end (), may be used to create contrast between the bit error rates 'BERs' experienced by different classes of bits. Contrast coding may be used to tune the BERs experienced by different subsets of bits, relative to each other, to better match a plurality of forward error correction 'FEC' schemes () used for transmission of information bits (), which may ultimately provide a communications system () having a higher noise tolerance, or greater data capacity, or smaller size, or lower heat.


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