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, 2026

Filed:

May. 01, 2022
Applicant:

Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;

Inventors:

Liwei Qiu, Täby, SE;

Yazid Lyazidi, London, GB;

Jan Christoffersson, Luleå, SE;

Henrik Enbuske, Stockholm, SE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 12/069 (2021.01); H04W 12/03 (2021.01); H04W 76/27 (2018.01);
U.S. Cl.
CPC ...
H04W 12/069 (2021.01); H04W 12/03 (2021.01); H04W 76/27 (2018.02);
Abstract

Methods and apparatuses for User Equipment (UE) context transitions in cell reselections. A method performed by a new serving network node for UE context transitions in cell reselection comprises receiving a Radio Resource Control (RRC) connection resume message from the UE. The method further comprises transmitting a retrieve UE context request to a last serving network node, requesting the retrieval of the UE access stratum context, and receiving a response from the last serving network node to the retrieve UE context request.


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