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.

Date of Patent:
Mar. 07, 2017

Filed:

Sep. 16, 2013
Applicant:

Blackberry Limited, Waterloo, CA;

Inventors:

Changhoi Koo, Plano, TX (US);

Noun Choi, Flower Mound, TX (US);

Joon Beom Kim, Carrolton, TX (US);

Assignee:

BlackBerry Limited, Waterloo, Ontario, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 8/00 (2009.01); H04W 4/00 (2009.01); H04W 12/06 (2009.01); H04W 4/20 (2009.01); H04W 8/06 (2009.01); H04W 4/06 (2009.01);
U.S. Cl.
CPC ...
H04W 4/008 (2013.01); H04W 4/005 (2013.01); H04W 8/005 (2013.01); H04W 12/06 (2013.01); H04W 4/06 (2013.01); H04W 4/206 (2013.01); H04W 8/06 (2013.01);
Abstract

A temporary identifier is assigned to a discoverable user equipment (UE) in an assignment, an expiration value is assigned to the assignment, and the temporary identifier and the expiration value are associated to a long-term identifier of the discoverable UE. The temporary identifier and an indication of the expiration value are provided to the discoverable UE. The temporary identifier and an indication of the expiration value are provided to a discovering UE responsive to receipt of an inquiry including the long-term identifier of the discoverable UE The discoverable UE broadcasts the temporary identifier. If the broadcast is heard by the discovering UE, the discovering UE may identify that the broadcast is from the discoverable UE, based on the association of the long-term identifier to the temporary identifier.


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