Granted Patent B2

US 12,598,588 · App. 18/004,396 · Granted Apr 7, 2026

Inventors: Bo Chen (Beijing, CN); Wentao Zhang (Beijing, CN); Mingkai Nan (Beijing, CN)

Assignee: QUALCOMM Incorporated

H04W72/02H04L5/0094H04W72/0453

Abstract

Claims (77)

1 . A method of wireless communication performed by a user equipment (UE), the method comprising:

receiving, from a base station, a carrier set configuration indicating multiple uplink (UL) carriers, the multiple UL carriers including multiple supplemental uplink (SUL) carriers and a non-SUL carrier, wherein the multiple SUL carriers include a primary SUL carrier and one or more secondary SUL carriers;

receiving, from the base station, a carrier selection indicator included in downlink control information (DCI), wherein the carrier selection indicator includes a first DCI associated with a first carrier of the multiple UL carriers and a second DCI associated with a second carrier of the multiple UL carriers;

selecting one or more carriers of the multiple UL carriers, wherein the one or more carriers are selected based on the carrier selection indicator; and

transmitting a channel on each carrier of the one or more carriers.

2 . The method of claim 1 , wherein

the channel includes a physical uplink shared channel (PUSCH).

3 . The method of claim 1 , further comprising:

transmitting a capability message including capability information; and

wherein the capability information indicates carrier capabilities, a concurrent transmission via multiple UL carriers capability, or a combination thereof.

4 . The method of claim 1 , further comprising:

receiving, from the base station, a configuration message that includes the carrier set configuration, the carrier selection indicator, or a combination thereof, and

wherein the configuration message includes a radio resource configuration (RRC) message or layer 1 (L1) downlink control information (DCI) signaling.

5 . The method of claim 4 , wherein the carrier selection indicator is associated with a semi-static configuration or is received in a grant message in DCI.

6 . The method of claim 4 , further comprising:

selecting, based on the carrier selection indicator, a set of carriers of the multiple UL carriers; and

transmitting the channel on each carrier of the set of carriers, and

wherein the carrier selection indicator is received in a grant message in DCI.

7 . The method of claim 1 , further comprising:

receiving, from the base station, the carrier selection indicator included in downlink control information (DCI); and

wherein the one or more carriers are selected based on the carrier selection indicator.

8 . The method claim 7 , wherein:

the carrier selection indicator includes a bitmap, each bit corresponds to a different carrier of the of the multiple UL carriers; and

the carrier selection indicator indicates one carrier or multiple carriers.

9 . The method of claim 1 , wherein each of the first DCI and the second DCI includes a frequency domain resource assignment (FDRA), a time domain resource assignment (TDRA), a modulation and coding scheme, a new data indicator, a redundancy version (RV), a hybrid automatic repeat request (HARQ) process identity (ID), or a combination thereof.

10 . The method of claim 1 , wherein the one or more carriers include a first SUL carrier of the multiple SUL carriers, a second SUL carrier of the multiple SUL carriers, the non-SUL carrier, or a combination thereof.

11 . A method of wireless communication performed by a base station, the method comprising:

transmitting, to a user equipment (UE), a carrier set configuration indicating multiple uplink (UL) carriers, the multiple UL carriers including multiple supplemental uplink (SUL) carriers and a non-SUL carrier, wherein the multiple SUL carriers include a primary SUL carrier and one or more secondary SUL carriers;

selecting one or more carriers of the multiple UL carriers;

transmitting a carrier selection indicator indicating one or more carriers of the multiple UL carriers, wherein the carrier selection indicator includes a first DCI associated with a first carrier of the multiple UL carriers and a second DCI associated with a second carrier of the multiple UL carriers; and

receiving, from the UE, a channel on each carrier of the one or more carriers.

12 . The method of claim 11 , further comprising:

receiving a capability message including capability information for the UE; and

wherein the capability information indicates carrier capabilities, a concurrent transmission via multiple UL carriers capability, or a combination thereof.

13 . The method of claim 11 , further comprising:

transmitting a configuration message to the UE; and

wherein the configuration message includes a radio resource configuration (RRC) message or layer 1 (L1) downlink control information (DCI) signaling, or

the configuration message indicates the carrier set configuration, the carrier selection indicator, or a combination thereof.

14 . The method of claim 11 , wherein each of the first DCI and the second DCI includes a frequency domain resource assignment (FDRA), a time domain resource assignment (TDRA), a modulation and coding scheme, a new data indicator, a redundancy version (RV), a hybrid automatic repeat request (HARQ) process identity (ID), or a combination thereof.

15 . The method of claim 11 , wherein:

the one or more carriers include a first SUL carrier of the multiple SUL carrier, a second SUL carrier of the multiple SUL carriers, the non-SUL carrier, or a combination thereof; and

the carrier selection indicator is associated with a semi-static configuration or is sent in a grant message in downlink control information (DCI).

16 . A user equipment (UE) comprising:

at least one processor; and

a memory coupled with the at least one processor and storing processor-readable code that, when executed by the at least one processor, is configured to:

receive, from a base station, a carrier set configuration indicating multiple uplink (UL) carriers, the multiple UL carriers including multiple supplemental uplink (SUL) carriers and a non-SUL carrier, wherein the multiple SUL carriers include a primary SUL carrier and one or more secondary SUL carriers;

receive, from the base station, a carrier selection indicator included in downlink control information (DCI), wherein the carrier selection indicator includes a first DCI associated with a first carrier of the multiple UL carriers and a second DCI associated with a second carrier of the multiple UL carriers

select one or more carriers of the multiple UL carriers, wherein the one or more carriers are selected based on the carrier selection indicator; and

initiate transmission of a channel on each carrier of the one or more carriers.

17 . The UE of claim 16 , wherein

the channel includes a physical uplink shared channel (PUSCH).

18 . The UE of claim 16 , wherein the processor-readable code, when executed by the at least one processor, is configured to:

transmit a capability message including capability information; and

wherein the capability information indicates carrier capabilities, a concurrent transmission via multiple UL carriers capability, or a combination thereof.

19 . The UE of claim 16 , wherein the processor-readable code, when executed by the at least one processor, is configured to:

receive, from the base station, a configuration message that includes the carrier set configuration, the carrier selection indicator, or a combination thereof, and

wherein the configuration message includes a radio resource configuration (RRC) message or layer 1 (L1) downlink control information (DCI) signaling.

20 . The UE of claim 16 , wherein the processor-readable code, when executed by the at least one processor, is configured to:

receive, from the base station, the carrier selection indicator included in downlink control information (DCI); and

wherein the one or more carriers are selected based on the carrier selection indicator.

21 . The UE of claim 16 , wherein the one or more carriers include a first SUL carrier of the multiple SUL carriers, a second SUL carrier of the multiple SUL carriers, the non-SUL carrier, or a combination thereof.

22 . A base station comprising:

at least one processor; and

a memory coupled with the at least one processor and storing processor-readable code that, when executed by the at least one processor, is configured to:

initiate transmission, to a user equipment (UE), of a carrier set configuration indicating multiple uplink (UL) carriers, the multiple UL carriers including multiple supplemental uplink (SUL) carriers and a non-SUL carrier, wherein the multiple SUL carriers include a primary SUL carrier and one or more secondary SUL carriers;

select one or more carriers of the multiple UL carriers;

transmit a carrier selection indicator indicating one or more carriers of the multiple UL carriers, wherein the carrier selection indicator includes a first DCI associated with a first carrier of the multiple UL carriers and a second DCI associated with a second carrier of the multiple UL carriers; and

receive, from the UE, a channel on each carrier of the one or more carriers.

23 . The base station of claim 22 , wherein the processor-readable code, when executed by the at least one processor, is configured to:

receive a capability message including capability information for the UE; and

wherein the capability information indicates carrier capabilities, a concurrent transmission via multiple UL carriers capability, or a combination thereof.

24 . The base station of claim 22 , wherein the processor-readable code, when executed by the at least one processor, is configured to:

transmit a configuration message to the UE; and

wherein the configuration message includes a radio resource configuration (RRC) message or layer 1 (L1) downlink control information (DCI) signaling, or

the configuration message indicates the carrier set configuration, the carrier selection indicator, or a combination thereof.

25 . The base station of claim 22 , wherein:

the one or more carriers include a first SUL carrier of the multiple SUL carrier, a second SUL carrier of the multiple SUL carriers, the non-SUL carrier, or a combination thereof.

Assignments (1)

Continuity (1)

References Cited (12)