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:
Feb. 27, 2007

Filed:

Jan. 27, 2003
Applicants:

Herbert Haunstein, Nuremberg, DE;

Frank Kunz, Nuremberg, DE;

Thomas Fred Link, Nuremberg, DE;

Konrad Sticht, Eschenbach, DE;

Inventors:

Herbert Haunstein, Nuremberg, DE;

Frank Kunz, Nuremberg, DE;

Thomas Fred Link, Nuremberg, DE;

Konrad Sticht, Eschenbach, DE;

Assignee:

Lucent Technologies, Inc., Murray Hill, NJ (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 7/30 (2006.01); H04L 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A decision feedback structure for recovering a bit stream out of received signals is disclosed, wherein the sampling instant may be tuned in dependence of the sequence or pattern of the preceding bits so as to follow the bit sequence dependent instant of the maximum eye opening. The decision-feedback equalizer structure includes decision means for making a bit value decision at a sampling instant, a feedback path to feed back bit values to said decision means and means for adapting the sampling instant for a bit value decision made by said decision means with respect to the sampling phase depending on the bit values of preceding bits, in particular depending on the bit value of the previous bit.


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