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. 08, 2019
Filed:
Mar. 10, 2017
Commonwealth Scientific and Industrial Research Organisation, Acton, AU;
Mark Hedley, Acton, AU;
Shenghong Li, Acton, AU;
Abstract
A wireless tracking system comprises mobile devices and stationary devices at known locations. The system receives a first radio measurement indicative of a first propagation path length and receives sensor data indicative of the movement of the first mobile device. The sensor data is of a type different to the radio measurement. The system then determines a historical location of the first mobile device based on the first radio measurement and the sensor data and determines error data indicative of a difference between a historical radio measurement and the historical location and stores the error data associated with the historical location. The system can then receive a second radio measurement indicative of a second propagation path length of radio frequency radiation and determine an estimated location of the second mobile device based on the second radio measurement and the stored error data.