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:
Feb. 04, 2020

Filed:

Apr. 07, 2015
Applicant:

Nokia Solutions and Networks Oy, Espoo, FI;

Inventors:

Devaki Chandramouli, Plano, TX (US);

Jari Mutikainen, Lepsämä, FI;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2018.01); H04W 28/14 (2009.01); H04W 88/18 (2009.01); H04W 28/02 (2009.01); H04L 29/08 (2006.01); H04W 76/16 (2018.01);
U.S. Cl.
CPC ...
H04W 28/14 (2013.01); H04L 67/2842 (2013.01); H04W 28/0215 (2013.01); H04W 88/182 (2013.01); H04W 76/16 (2018.02);
Abstract

A method and apparatus may include determining whether a user equipment is reachable or not. The method may also include determining whether a network should buffer downlink data. The determining whether the network should buffer the downlink data is based on stored context information or by querying an evolved Node B. The method may also include requesting a first network node to buffer the downlink data for a duration. The method may also include informing a second network node if the user equipment is determined to be unreachable. The method may also include informing the second node if the downlink data has been buffered.


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