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:
Nov. 28, 2023

Filed:

Jun. 10, 2022
Applicant:

Credo Technology Group Limited, Ugland House, KY;

Inventors:

Yu Liao, Longmont, CO (US);

Junqing Phil Sun, Cupertino, CA (US);

Haoli Qian, Fremont, CA (US);

Assignee:

Credo Technology Group Limited, Grand Cayman, KY;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 25/03 (2006.01); H04L 1/00 (2006.01); H03M 13/39 (2006.01);
U.S. Cl.
CPC ...
H04L 25/03178 (2013.01); H03M 13/3961 (2013.01); H04L 1/0054 (2013.01);
Abstract

Receivers and receiving methods having maximum likelihood sequence detection with pseudo partial response equalization. One illustrative receiver includes: a feedforward equalizer that produces an equalized receive signal by diminishing a receive signal's intersymbol interference; a decision element that derives initial symbol decisions from samples of the equalized receive signal; and a filter that applies a partial response to the equalized receive signal or to an equalization error signal to produce input for a maximum likelihood sequence detector (MLSD). The MLSD may be a reduced complexity detector that derives a final sequence of symbol decisions by evaluating state metrics only for each initial symbol decision and its competing symbol decision.


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