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:
Aug. 08, 2023
Filed:
Jul. 29, 2021
Applicant:
Cisco Technology, Inc., San Jose, CA (US);
Inventors:
Brian D. Hart, Sunnyvale, CA (US);
Ardalan Alizadeh, Milpitas, CA (US);
Daniel J. Lyons, Medina, OH (US);
Matthew A. Silverman, Shaker Heights, OH (US);
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 56/00 (2009.01); H04L 27/26 (2006.01);
U.S. Cl.
CPC ...
H04W 56/0095 (2013.01); H04L 27/2657 (2013.01);
Abstract
Aspects discussed herein include a method and associated network device and computer program product. The method includes receiving a network packet, and estimating, using a preamble of the network packet, a power distribution corresponding to a plurality of subcarriers of a channel. The method further includes estimating a carrier frequency offset using the power distribution, and estimating a clock offset using the carrier frequency offset.