Opportunistic mobile receive diversity (OMRD) in a dual-SIM dual-active (DSDA) device

A wireless communication device comprising:

• a first radio frequency (RF) resource associated with a first subscriber identification module (SIM);
• a second RF resource associated with a second SIM;
• and
• a processor coupled to first and second RF resources, wherein the processor is configured to:
• receive a request from a protocol stack associated with the first SIM to utilize the second RF resource for receive diversity;
• determine whether a protocol stack associated with the second SIM currently has a lower priority than the protocol stack associated with the first SIM;
• and
• grant control of the second RF resource to the protocol stack associated with the first SIM in response to determining that the protocol stack associated with the second SIM currently has a lower priority than the protocol stack associated with the first SIM,
• wherein granting control provides to the protocol stack associated with the first SIM a capability to enable and disable receive diversity using the first and second RF resources, and wherein enabling receive diversity configures the first and second RF resources to receive, with while the first SIM protocol stack is not in idle mode, a downlink signal associated with the first SIM by coupling a path for signals associated with the second RF resource to one or more components that process a first RF resource signal path associated with the first SIM.

A wireless communication device, comprising:

• means for receiving, from a protocol stack associated with a first subscriber identification module (SIM) that is associated with a first radio frequency (RF) resource, a request to utilize a second RF resource for receive diversity, wherein the second RF resource is associated with a second SIM;
• means for determining whether a protocol stack associated with the second SIM currently has a lower priority than the protocol stack associated with the first SIM;
• and
• means for granting control of the second RF resource to the protocol stack associated with the first SIM in response to determining that the protocol stack associated with the second SIM currently has a lower priority than the protocol stack associated with the first SIM;
• wherein granting control provides to the protocol stack associated with the first SIM a capability to enable and disable receive diversity using the first and second RF resources, and wherein enabling receive diversity configures the first and second RF resources to receive, while the first SIM protocol stack is not in idle mode, a downlink signal associated with the first SIM by coupling a path for signals associated with the second RF resource to one or more components that process a first RF resource signal path associated with the first SIM.

A non-transitory processor-readable medium having stored thereon processor-executable instructions configured to cause a wireless communication device processor to perform operations comprising:

• receiving, from a protocol stack associated with a first subscriber identification module (SIM) that is associated with a first radio frequency (RF) resource, a request to utilize a second RF resource for receive diversity, wherein the second RF resource is associated with a second SIM;
• determining whether a protocol stack associated with the second SIM currently has a lower priority than the protocol stack associated with the first SIM;
• and
• granting control of the second RF resource to the protocol stack associated with the first SIM in response to determining that the protocol stack associated with the second SIM currently has a lower priority than the protocol stack associated with the first SIM,
• wherein granting control provides to the protocol stack associated with the first SIM a capability to enable and disable receive diversity using the first and second RF resources, and wherein enabling receive diversity configures the first and second RF resources to receive, while the first SIM protocol stack is not in idle mode, a downlink signal associated with the first SIM by coupling a path for signals associated with the second RF resource to one or more components that process a first RF resource signal path associated with the first SIM.