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:
May. 29, 2018
Filed:
Jun. 24, 2016
Qualcomm Incorporated, San Diego, CA (US);
Xintian Li, Santa Clara, CA (US);
Marc Anthony Ische, San Diego, CA (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
Systems, apparatus and methods in a mobile device for determining a breach of a geofence is presented. A reference radio frequency (RF) fingerprint is obtained by the mobile device, the reference RF fingerprint defining the geofence. The reference RF fingerprint may be generated by the mobile device or received from a different mobile device. The mobile device scans for RF signals and determines a scanned RF fingerprint based on the scan for RF signals. A breach of the geofence is determined using the reference RF fingerprinting and the scanned RF fingerprint.
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