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:
Sep. 22, 2020

Filed:

Dec. 08, 2017
Applicant:

Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;

Inventors:

Ralf Keller, Würselen, DE;

Bo Burman, Upplands Väsby, SE;

George Foti, Dollard des Ormeaux, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2018.01); H04W 36/14 (2009.01); H04W 36/12 (2009.01); H04W 36/30 (2009.01); H04W 88/02 (2009.01);
U.S. Cl.
CPC ...
H04W 36/14 (2013.01); H04W 36/12 (2013.01); H04W 36/30 (2013.01); H04W 88/02 (2013.01);
Abstract

A method of initiating a handover of a User Equipment, UE, from a first type of Radio Access Technology, RAT, to a second type of RAT, wherein said UE is attached to a core network via an Access Node, AN, comprised by a Radio Access Network, RAN, utilizing said first type of RAT, wherein said method comprises the steps of transmitting, by said UE, to said AN, measurement data relating to qualities of links between said UE and access nodes in said RAN, receiving, by said UE, an indicator from said AN, wherein said indicator informs said UE that there is a risk of losing connectivity between said UE and said Radio Access Network, initiating, by said UE, triggered by said received indicator, a handover in order to access the CN via said second type of RAT.


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