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:
Jul. 10, 2018

Filed:

Nov. 09, 2015
Applicant:

Blackberry Limited, Waterloo, CA;

Inventors:

Joon Beom Kim, Carrollton, TX (US);

Changhoi Koo, Plano, TX (US);

Zhijun Cai, Ashburn, VA (US);

Assignee:

BlackBerry Limited, Waterloo, Ontario, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 5/00 (2006.01); H04W 8/00 (2009.01); H04W 4/00 (2018.01); H04W 76/14 (2018.01); H04W 76/27 (2018.01); H04W 4/80 (2018.01); H04W 76/02 (2009.01); H04L 12/26 (2006.01); H04W 64/00 (2009.01); H04W 76/04 (2009.01);
U.S. Cl.
CPC ...
H04W 8/005 (2013.01); H04L 43/0864 (2013.01); H04W 4/008 (2013.01); H04W 4/80 (2018.02); H04W 64/00 (2013.01); H04W 76/023 (2013.01); H04W 76/046 (2013.01); H04W 76/14 (2018.02); H04W 76/27 (2018.02);
Abstract

A method, network node, and user equipments for providing parameters to a first user equipment served by the network element, the parameters describing at least a second user equipment for the purpose of the first user equipment initiating a device to device proximity discovery service with the second user equipment, the method collecting information for user equipments desiring device to device proximity discovery; creating a candidate user equipment list for a candidate tier based on the collected information at the network element, wherein each candidate tier comprises one or more thresholds based on timing advance values in use at the first or the at least the second user equipment; and providing the parameters describing at least a second user equipment to the first user equipment.


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