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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.

Patent No.:

US 12214099 B1

PDFFull Text
Date of Patent:
Feb. 04, 2025

Filed:

Mar. 06, 2024

User equipment having multiple subscriber identity modules with improved suspend / resume operation

Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Srirang A Lovlekar, Cupertino, CA (US);

Sethuraman Gurumoorthy, San Jose, CA (US);

Murtaza A. Shikari, Mountain View, CA (US);

Srinivasan Nimmala, San Jose, CA (US);

Sree Ram Kodali, San Jose, CA (US);

Fangli Xu, Beijing, CN;

Haijing Hu, Los Gatos, CA (US);

Yuqin Chen, Beijing, CN;

Dawei Zhang, Saratoga, CA (US);

Longda Xing, San Jose, CA (US);

Zhiwei Wang, Beijing, CN;

Yaoqi Yan, Beijing, CN;

Muthukumaran Dhanapal, Sunnyvale, CA (US);

Beibei Wang, San Jose, CA (US);

Lele Cui, Beijing, CN;

Assignee:

Apple Inc., Cupertino, CA (US);

Attorney:

Kowert, Hood, Munyon, Rankin & Goetzel, P.C.

Primary Examiner:

Gary Lafontant

Int. Cl.
CPC ...
H04W 76/00 (2018.01); A61L 2/10 (2006.01); A61L 2/22 (2006.01); A61L 2/24 (2006.01); G05D 1/00 (2006.01); H04W 52/02 (2009.01);
U.S. Cl.
CPC ...
A61L 2/24 (2013.01); A61L 2/10 (2013.01); A61L 2/22 (2013.01); G05D 1/0094 (2013.01); G05D 1/101 (2013.01); A61L 2202/11 (2013.01); A61L 2202/14 (2013.01); A61L 2202/15 (2013.01); A61L 2202/16 (2013.01);
Abstract

Devices and associated methods for operating a dual-subscriber identity module (SIM) dual-standby (DSDS) user equipment device (UE) configured with a first SIM and a second SIM. The UE performs communications with a first cellular network using the first SIM and a first radio resource control (RRC) connection, and receives a request to perform a higher priority communication using the second SIM. In response to the request to perform the higher priority communication, the UE transmits a request to the first network to suspend the first RRC connection. After transmission of the request to suspend the first RRC connection, the UE receives a message from the first network to place the first RRC connection in an inactive state, and initiates a timer, wherein the timer is used to determine whether the first RRC connection remains in the inactive state or transitions to an idle state.

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