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:
Jan. 10, 2017

Filed:

Feb. 21, 2013
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Hai Jiang, Beijing, CN;

Yin Huang, Beijing, CN;

Changlong Xu, Beijing, CN;

Jian Li, Beijing, CN;

Yisheng Xue, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 7/00 (2006.01); H04L 7/04 (2006.01); H04L 7/10 (2006.01);
U.S. Cl.
CPC ...
H04L 7/0037 (2013.01); H04L 7/0062 (2013.01); H04L 7/043 (2013.01); H04L 7/10 (2013.01);
Abstract

A method of data-aided timing recovery for Ethernet systems is disclosed. A first device negotiates a pseudorandom number sequence with a second device and receives a data signal from the second device. The first device samples the received data signal to recover a first training sequence. The first device also generates a second training sequence based on the pseudorandom number sequence. The second training sequence is then synchronized with the first training sequence. The synchronized second training sequence is used to align a receive clock signal of the first device with the data signal received from the second device.


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