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. 17, 2026

Filed:

Jun. 29, 2020
Applicant:

Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;

Inventors:

Pontus Wallentin, Linköping, SE;

Johan Rune, Lidingö, SE;

Oscar Ohlsson, Bromma, SE;

Claes-Göran Persson, Mjölby, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 36/00 (2009.01); H04W 76/15 (2018.01); H04W 76/18 (2018.01); H04W 76/19 (2018.01); H04W 76/30 (2018.01); H04W 36/18 (2009.01);
U.S. Cl.
CPC ...
H04W 36/0079 (2018.08); H04W 76/30 (2018.02); H04W 36/185 (2023.05);
Abstract

A method performed by a User Equipment, UE, for handling a source radio link during a handover from a source access node to a target access node in a wireless communications network. The UE is triggered to perform the handover. The UE establishes Radio Link Control, RLC, entities and associated target radio link with the target access node, while keeping RLC entities and associated source radio link with the source access node. The UE checks whether a source radio link related failure has occurred. When a source radio link related failure has occurred, the UE checks the radio link related failure against a set of source radio link release UE criteria, and when one or more source radio link release UE criterion is fulfilled out of the set of source radio link release UE criteria, the UE handling the source radio link according to a predetermined rule.


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