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:
Apr. 25, 2017
Filed:
Jun. 24, 2014
Nokia Corporation, Espoo, FI;
Nokia Technologies Oy, Espoo, FI;
Abstract
In an example embodiment, a method includes receiving, by an apparatus, one or more wireless discovery messages; determining, by the apparatus, whether a wireless device is in close proximity to the apparatus based on information obtained from the one or more received wireless discovery messages; exchanging, by the apparatus, messages with the wireless device in response to having determined that the wireless device is in close proximity to the apparatus; measuring, by the apparatus, signal strength of the exchanged messages while distance changes to the wireless device; and determining, by the apparatus, whether changes in the measured signal strength of the exchanged messages satisfy a predetermined behavior expected for signal strength as distance varies.