US 12,432,545 B2
Controlling switch timing in time division duplexing devices
Priyangshu Ghosh, Hyderabad (IN); Raveesh Juneja, Hyderabad (IN); and Ravinder Kumar, Meham (IN)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Dec. 8, 2021, as Appl. No. 17/643,336.
Prior Publication US 2023/0179986 A1, Jun. 8, 2023
Int. Cl. H04W 8/18 (2009.01); H04W 68/00 (2009.01); H04W 88/06 (2009.01)
CPC H04W 8/18 (2013.01) [H04W 68/00 (2013.01); H04W 88/06 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A method of wireless communication performed by a user equipment (UE), the method comprising:
operating in a mode in which a first subscriber identity module (SIM) is designated as a default data subscription (DDS) and a second SIM is designated as a non-default data subscription (nDDS), including the first SIM being active and the second SIM being idle;
determining positions of uplink symbols and downlink symbols within a slot format of the first SIM;
causing a hardware switch of the UE coupling the first SIM to an antenna to couple the second SIM to the antenna of the UE during a first symbol that is configured as uplink or flexible while maintaining the coupling of the first SIM to the antenna; and
performing a page decode operation by the second SIM while the second SIM is coupled to the antenna and the first SIM is coupled to the antenna.