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:
Sep. 19, 2023
Filed:
Jun. 05, 2019
The Research Foundation for the State University of New York, Albany, NY (US);
Milutin Stanacevic, Smithtown, NY (US);
Samir Das, Melville, NY (US);
Petar Djurić, Setauket, NY (US);
Athalye Akshay, Forest Hills, NY (US);
Ryoo Jihoon, Incheon, KR;
Yasha Karimi, Selden, NY (US);
The Research Foundation for The State University of New York, Albany, NY (US);
Abstract
A method, system and apparatus are provided for estimating characteristics of a wireless communication channel between at least two passive radio frequency (RF) nodes. Backscatter channel state information (BCSI) is measured during communication between the at least two passive RF nodes using the wireless communication channel. An RF node aggregates the measured BCSI and the aggregated BSCI is analyzed to detect at least one activity of a plurality of activities.