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:
Nov. 29, 2022
Filed:
Jul. 27, 2020
Applicant:
Cisco Technology, Inc., San Jose, CA (US);
Inventors:
Brian Donald Hart, Sunnyvale, CA (US);
Paul J. Stager, Akron, OH (US);
Santosh Pandey, Santa Clara, CA (US);
David Kloper, Santa Clara, CA (US);
Dan 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 ...
G01S 3/38 (2006.01); H04W 64/00 (2009.01); G01S 3/48 (2006.01); G01S 1/68 (2006.01);
U.S. Cl.
CPC ...
G01S 3/38 (2013.01); G01S 3/48 (2013.01); H04W 64/006 (2013.01); G01S 1/68 (2013.01);
Abstract
In one embodiment, a method includes receiving a plurality of radio frequency chains at a wireless device in a block based modulation environment, recording subcarrier phases and differences between the subcarrier phases, and using the subcarrier phase differences to construct a feature vector for use in angle of arrival calculated positioning of a mobile device.