US 12,439,467 B2
Techniques for post-call service recovery in dual SIM user equipment
Dongsheng Wang, Beijing (CN); Chaofeng Hui, Beijing (CN); Guojing Liu, Beijing (CN); Xiaomeng Lu, Shanghai (CN); Zongyou Xia, Beijing (CN); and Xuesong Chen, Beijing (CN)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Appl. No. 17/914,892
Filed by QUALCOMM INCORPORATED, San Diego, CA (US)
PCT Filed May 19, 2020, PCT No. PCT/CN2020/090984
§ 371(c)(1), (2) Date Sep. 27, 2022,
PCT Pub. No. WO2021/232221, PCT Pub. Date Nov. 25, 2021.
Prior Publication US 2023/0133784 A1, May 4, 2023
Int. Cl. H04W 76/16 (2018.01); H04W 8/18 (2009.01); H04W 48/16 (2009.01)
CPC H04W 76/16 (2018.02) [H04W 8/183 (2013.01); H04W 48/16 (2013.01)] 27 Claims
OG exemplary drawing
 
1. A method for wireless communication at a user equipment (UE), comprising:
establishing a first wireless connection associated with a first subscription using a first radio access technology;
establishing a second wireless connection associated with a second subscription using a second radio access technology;
performing a call over the second wireless connection;
identifying a loss of the first wireless connection based at least in part on performing the call over the second wireless connection;
initiating a network discovery procedure associated with the first subscription using the first radio access technology based at least in part on the loss of the first wireless connection, wherein the network discovery procedure is initiated prior to the termination of the call over the second wireless connection; and
re-initiating the network discovery procedure associated with the first subscription using the first radio access technology based at least in part on the loss of the first wireless connection after the termination of the call over the second wireless connection.