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:
Aug. 02, 2022

Filed:

May. 29, 2019
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Yu-Ting Yu, San Francisco, CA (US);

Keiichi Kubota, Tokyo, JP;

Gavin Bernard Horn, La Jolla, CA (US);

Karthika Paladugu, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 76/18 (2018.01); H04W 92/10 (2009.01); H04W 76/30 (2018.01); H04W 72/04 (2009.01); H04W 80/02 (2009.01);
U.S. Cl.
CPC ...
H04W 76/18 (2018.02); H04W 72/0493 (2013.01); H04W 76/30 (2018.02); H04W 80/02 (2013.01); H04W 92/10 (2013.01);
Abstract

Methods, systems, and devices for wireless communications are described. One example method for wireless communications at a user equipment (UE) includes detecting a radio link failure (RLF) condition for a connection between the UE and a network over a first cell group and determining, in response to detecting the RLF condition, whether an air interface resource allocation is available for a signaling radio bearer (SRB) between the UE and the network over another cell group. The method also includes selecting, based at least in part on the determination, one of a plurality of RLF procedures. In some examples, the UE may select a first RLF procedure that fully releases radio resources when no SRB is available and a different, second RLF procedure that partially when an SRB is available between the UE and the network over a second cell group.


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