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:
Jul. 26, 2022
Filed:
Feb. 13, 2020
Xiaolu Zeng, Beijing, CN;
Feng Zhang, Greenbelt, MD (US);
Beibei Wang, Clarksville, MD (US);
K. J. Ray Liu, Potomac, MD (US);
Oscar Chi-lim AU, San Jose, CA (US);
Chenshu Wu, Hong Kong, CN;
Xiaolu Zeng, Beijing, CN;
Feng Zhang, Greenbelt, MD (US);
Beibei Wang, Clarksville, MD (US);
K. J. Ray Liu, Potomac, MD (US);
Oscar Chi-Lim Au, San Jose, CA (US);
Chenshu Wu, Hong Kong, CN;
ORIGIN WIRELESS, INC., Greenbelt, MD (US);
Abstract
Methods, apparatus and systems for outdoor target tracking are described. In one example, a described system comprises: a transmitter, a receiver, and a processor. The transmitter is configured for transmitting a first wireless signal through a wireless multipath channel. The receiver is configured for receiving a second wireless signal through the wireless multipath channel. One of the transmitter and the receiver is a located device at a known location. The other of the transmitter and the receiver is a moving device. The second wireless signal differs from the first wireless signal due to the wireless multipath channel which is impacted by a movement of the moving device. The processor is configured for: obtaining a plurality of time series of channel information of the wireless multipath channel based on the second wireless signal, computing a spatial-temporal information (STI), and tracking the moving device based on the STI.