US 12,289,782 B2
Communication coordination and power saving techniques for multi-subscriber identity module devices
Alosious Pradeep Prabhakar, Singapore (SG); Vijay Venkataraman, San Jose, CA (US); Han Pu, Shanghai (CN); Madhukar K Shanbhag, Santa Clara, CA (US); Sandeep K Sunkesala, San Jose, CA (US); Sanjeevi Balasubramanian, San Jose, CA (US); Shiva Krishna Narra, San Jose, CA (US); Sriram Subramanian, San Jose, CA (US); Tarakkumar G Dhanani, San Jose, CA (US); Vishwanth Kamala Govindaraju, Mountain View, CA (US); and Wei Zhang, Santa Clara, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/778,363
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed May 27, 2021, PCT No. PCT/CN2021/096469
§ 371(c)(1), (2) Date May 19, 2022,
PCT Pub. No. WO2022/246751, PCT Pub. Date Dec. 1, 2022.
Prior Publication US 2023/0284308 A1, Sep. 7, 2023
Int. Cl. H04W 76/16 (2018.01); H04W 60/04 (2009.01)
CPC H04W 76/16 (2018.02) [H04W 60/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A wireless device, comprising:
a first modem for performing communication using a first radio access technology (RAT);
a second modem for performing communication using a second RAT;
at least one processor coupled to the first and second modems, configured to:
connect, using a first subscriber identity module (SIM), to a first base station according to the first RAT and a second base station according to the second RAT;
connect, using a second SIM, to a third base station according to the first RAT;
perform a call using the second SIM and according to the first RAT;
in response to performing the call using the second SIM:
transmit, using the first SIM, an indication to the second base station of disabling of the first RAT for the first SIM;
disable the first RAT for the first SIM; and
perform, using the first SIM, data communication according to the second RAT while the call is performed using the second SIM.