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. 13, 2019
Filed:
Dec. 09, 2016
Origin Wireless, Inc., Greenbelt, MD (US);
Qinyi Xu, Greenbelt, MD (US);
Feng Zhang, Greenbelt, MD (US);
Chen Chen, College Park, MD (US);
Beibei Wang, Clarksville, MD (US);
Zoltan Safar, Ellicott City, MD (US);
Yi Han, Ellicott City, MD (US);
Hung-Quoc Duc Lai, Parkville, MD (US);
K. J. Ray Liu, Potomac, MD (US);
Origin Wireless, Inc., Greenbelt, MD (US);
Abstract
An apparatus for detecting events includes a processor and a storage device storing instructions that when executed by the processor cause the processor to train a classifier for classifying channel state information (CSI) and detecting an event based on the classification of the CSI obtained during a monitoring phase. The training of the classifier includes: for each of the known events to be detected, during a time period in which the known event occurs in a venue, obtain training CSI of a wireless multipath channel between a wireless transmitter and a wireless receiver in the venue, in which the training CSI is derived from one or more probing signals sent from the transmitter through the wireless multipath channel to the receiver, and train the classifier based on the known events and the training CSI associated with each of the events.