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:
Aug. 14, 2018

Filed:

Aug. 30, 2017
Applicant:

Cognitive Systems Corp., Waterloo, CA;

Inventors:

Mohammad Omer, Waterloo, CA;

Christopher Vytautas Olekas, Breslau, CA;

Assignee:

Cognitive Systems Corp., Waterloo, Ontario, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 24/00 (2009.01); H04W 4/02 (2018.01); G01S 5/02 (2010.01);
U.S. Cl.
CPC ...
H04W 4/02 (2013.01); G01S 5/0273 (2013.01);
Abstract

In a general aspect, motion is detected using vector representations of channel responses. In some aspects, a first set of channel responses are obtained based on wireless signals transmitted through a space during a first time period. From the first set of channel responses, a set of orthogonal axes in a frequency vector domain are determined. A second channel response is obtained based on a wireless signal transmitted through the space during a second time period, and a channel vector representing the second channel response in the frequency vector domain is determined. Motion of an object in the space is detected based on a projection of the channel vector onto one of the set of orthogonal axes.


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