IP Library Granted Patent US 12,684,555
Granted Patent B2
US 12,684,555 · App. 18/174,533 · Granted Jul 14, 2026

Optimized subframe blanking for dual sim dual active

Inventors: Ravinder Kumar (San Diego, CA); Abbas Termos (San Diego, CA); Pak Yin Tam (San Jose, CA); Qiang Shen (San Diego, CA)
Assignee: QUALCOMM Incorporated
H04W72/12H04W72/543H04W72/566
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Quick Facts
Patent No.
US 12,684,555
App. No.
18/174,533
Granted
Jul 14, 2026
Kind
B2
Abstract

The apparatus in some aspects may be a wireless device configured to operate a first transceiver in a first connected mode with a first radio access network (RAN) and a second transceiver in a second connected mode with a second RAN. The apparatus may further be configured to transmit a first communication via the first transceiver and obtain, based on a second communication via the second transceiver, an indication of a cancellation of one or more symbols for the first communication via the first transceiver. The apparatus may also be configured to refrain from transmitting, based on the indication, a remaining portion of the first communication via a set of symbols including the one or more symbols.

Claims (52)

1 . An apparatus for wireless communication at a wireless device, comprising:

memory; and

at least one processor coupled to the memory and, based at least in part on information stored in the memory, the at least one processor is configured to:

operate a first transceiver in a first connected mode with a first radio access network (RAN) and a second transceiver in a second connected mode with a second RAN;

receive a first grant for a first set of resources over a set of symbols for a first communication associated with the first RAN;

receive a second grant for a second set of resources for a second communication associated with the second RAN, wherein the set of symbols for the first communication comprises 1) one or more symbols that at least partially overlap with the second communication; and 2) a remaining portion of the first communication; and

refrain from transmitting the remaining portion of the first communication based at least on whether the one or more symbols comprise one or more demodulation reference signal (DMRS) symbols.

2 . The apparatus of claim 1 , wherein the remaining portion of the first communication is not transmitted based at least on the one or more symbols comprising at least one DMRS symbol; and wherein the remaining portion of the first communication is transmitted based at least on the one or more symbols not comprising any DMRS symbol.

3 . The apparatus of claim 1 , wherein the at least one processor is further configured to:

transmit the second communication via the one or more symbols.

4 . The apparatus of claim 1 , wherein the at least one processor is further configured to obtain an indication indicating cancelation of the one or more symbols.

5 . The apparatus of claim 1 , wherein to refrain from transmitting the remaining portion is further based on the one or more symbols comprising at least a threshold number of symbols.

6 . The apparatus of claim 5 , wherein the threshold number of symbols is based on one of a numerology or modulation and coding scheme (MCS) associated with the first communication.

7 . The apparatus of claim 1 , wherein to refrain from transmitting the remaining portion is further based on at least one of a signal-to-noise ratio (SNR), a signal-to-interference plus noise ratio (SINR), or a channel quality indicator (CQI) associated with the first communication.

8 . The apparatus of claim 1 , wherein the first grant includes a first redundancy value corresponding to initial transmissions.

9 . The apparatus of claim 1 , wherein the first communication comprises a physical uplink shared channel (PUSCH).

10 . The apparatus of claim 1 , wherein to refrain from transmitting the remaining portion is further based on a relative priority for communications associated with the first transceiver and the second transceiver.

11 . The apparatus of claim 10 , wherein the relative priority is a locally-assigned priority independent of a priority associated with a particular communication, wherein the first communication is a first communication type associated with a first priority of the relative priority and the second communication is a second communication type associated with a second priority of the relative priority, and wherein the at least one processor is further configured to refrain from communicating via the one or more symbols based on the first communication type and the second communication type.

12 . The apparatus of claim 1 , wherein the wireless device is a user equipment (UE) and the first communication is with a network node, wherein the at least one processor is further configured to:

receive a subsequent grant to retransmit the first communication with a first redundancy value corresponding to initial transmissions.

13 . An apparatus for wireless communication at a network node, comprising:

memory; and

at least one processor coupled to the memory and, based at least in part on information stored in the memory, the at least one processor is configured to:

grant, for a wireless device, a first set of resources for a first communication associated with a first radio access network (RAN);

identify, based on receiving a portion of the first communication via a subset of the first set of resources, that the first set of resources does not include the first communication; and

grant, based on identifying that the first set of resources does not include the first communication, a second set of additional resources for the first communication including a redundancy value associated with an initial transmission of the first communication.

14 . The apparatus of claim 13 , wherein:

to grant the first set of resources for the first communication, the at least one processor is configured to transmit, for the wireless device, a first grant for the first set of resources for the first communication; and

to grant the second set of additional resources for the first communication, the at least one processor is configured to transmit, for the wireless device, a second grant for the second set of additional resources for the first communication.

15 . The apparatus of claim 13 , wherein the wireless device is a user equipment (UE) and the network node is a base station.

16 . A method of wireless communication at a wireless device, comprising:

operating a first transceiver in a first connected mode with a first radio access network (RAN) and a second transceiver in a second connected mode with a second RAN;

receiving a first grant for a first set of resources over a set of symbols for a first communication associated with the first RAN;

receiving a second grant for a second set of resources for a second communication associated with the second RAN, wherein the set of symbols for the first communication comprises 1) one or more symbols that at least partially overlap with the second communication; and 2) a remaining portion of the first communication; and

refraining from transmitting the remaining portion of the first communication based at least on whether the one or more symbols comprise one or more demodulation reference signal (DMRS) symbols.

17 . The method of claim 16 , wherein the remaining portion of the first communication is not transmitted based at least on the one or more symbols comprising at least one DMRS symbol; and wherein the remaining portion of the first communication is transmitted based at least on the one or more symbols not comprising any DMRS symbol.

18 . The method of claim 16 , wherein the wireless device is a user equipment (UE) and the first communication is with a network node, the method further comprising:

transmitting the second communication via the one or more symbols; and

receiving a subsequent grant to retransmit the first communication with a first redundancy value corresponding to initial transmissions.

19 . The method of claim 16 , further comprising obtaining an indication indicating cancelation of the one or more symbols.

20 . The method of claim 16 , wherein refraining from transmitting the remaining portion is further based on the one or more symbols comprising at least a threshold number of symbols.

21 . The method of claim 20 , wherein the threshold number of symbols is based on one of a numerology or modulation and coding scheme (MCS) associated with the first communication.

22 . The method of claim 16 , wherein refraining from transmitting the remaining portion is further based on at least one of a signal-to-noise ratio (SNR), a signal-to-interference plus noise ratio (SINR), or a channel quality indicator (CQI), and wherein the first grant includes a first redundancy value corresponding to initial transmissions.

23 . The method of claim 16 , wherein the first communication comprises a physical uplink shared channel (PUSCH).

24 . The method of claim 16 , wherein to refrain from transmitting the remaining portion is further based on a relative priority for communications associated with the first transceiver and the second transceiver, and wherein the relative priority is a locally-assigned priority independent of a priority associated with a particular communication, wherein the first communication is a first communication type associated with a first priority of the relative priority and the second communication is a second communication type associated with a second priority of the relative priority, and wherein refraining from communicating via the one or more symbols is further based on the first communication type and the second communication type.

25 . A method of wireless communication at a network node, comprising:

granting, for a wireless device, a first set of resources for a first communication associated with a first radio access network (RAN);

identifying, based on receiving a portion of the first communication via a subset of the first set of resources, that the first set of resources does not include the first communication; and

granting, based on identifying that the first set of resources does not include the first communication, a second set of additional resources for the first communication including a redundancy value associated with an initial transmission of the first communication.

26 . The method of claim 25 , wherein the wireless device is a user equipment (UE) and the network node is a base station,

wherein granting the first set of resources for the first communication comprises transmitting, for the wireless device, a first grant for the first set of resources for the first communication; and

wherein granting the second set of additional resources for the first communication comprises transmitting, for the wireless device, a second grant for the second set of additional resources for the first communication.