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:
Oct. 16, 2018
Filed:
Mar. 18, 2016
The Trustees of the Stevens Institute of Technology, Hoboken, NJ (US);
Rutgers, the State University of New Jersey, New Brunswick, NJ (US);
Yingying Chen, Morganville, NJ (US);
Jie Yang, Tallahassee, FL (US);
Yan Wang, Jersey City, NJ (US);
Jian Liu, Jersey City, NJ (US);
Marco Gruteser, Princeton, NJ (US);
THE TRUSTEES OF THE STEVENS INSTITUTE OF TECHNOLOGY, Hoboken, NJ (US);
Abstract
A system includes a device that is disposed within an environment and is adapted to communicate over a radio frequency communication link. The system also includes a wireless access point disposed within the environment, including a wireless transceiver in communication with the device over a radio frequency communication link using a plurality of channels, and recording a channel state information data set for the radio frequency communication link. The system also includes a monitoring device including a memory storing a plurality of activity profiles, each of which includes an activity and a channel state information profile corresponding to the activity, and a processor receiving, from the wireless access point, the channel state information data set and determining, based on a comparison of the channel state information data set to the channel state information profile of each of the plurality of activity profiles, the activity of the person in the environment.