US 12,284,720 B2
Techniques for managing power amplifier reliability for multi-SIM antenna switching concurrency
Thawatt Gopal, San Diego, CA (US); Sridhar Bandaru, Westminster, CO (US); and Vishal Mahajan, Dublin, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Dec. 14, 2021, as Appl. No. 17/644,190.
Claims priority of provisional application 63/199,675, filed on Jan. 15, 2021.
Prior Publication US 2022/0232367 A1, Jul. 21, 2022
Int. Cl. H04W 8/18 (2009.01)
CPC H04W 8/18 (2013.01) 30 Claims
OG exemplary drawing
 
1. A method of wireless communication performed by a user equipment (UE), comprising:
detecting a first communication, associated with a first subscriber identity module (SIM) operating in a connected mode, that is at least partially overlapping in a time domain with a second communication associated with a second SIM operating in an idle mode;
detecting that a transmit chain associated with the first SIM and a receive chain associated with the second SIM are sharing an antenna switch; and
performing a preventive action associated with a power amplifier in the transmit chain associated with the first SIM, wherein the performance of the preventive action comprises limiting an allowable output power from the transmit chain associated with the first SIM to a maximum value, the performance of the preventive action being based at least in part on the first communication associated with the first SIM overlapping in the time domain with the second communication associated with the second SIM while the transmit chain associated with the first SIM and the receive chain associated with the second SIM are sharing the antenna switch.