Granted Patent B2

US 12,726,987 · App. 18/553,545 · Granted Sep 1, 2026

Inventors: Xuejuan Gao (Beijing, CN); Qianqian Si (Beijing, CN)

Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

H04W72/21H04W72/0446H04W72/563

Abstract

Claims (74)

1 . A multiplexing method, comprising:

in case that multiplexing transmission of uplink control informations (UCIs) on physical uplink control channels (PUCCHs) with different physical layer priority is configured or supported and the PUCCHs overlap in time domain, determining a target time unit and determining PUCCH resources for UCI transmission in the target time unit as a set of PUCCH resources; and

determining, based on the set of PUCCH resources, PUCCH resource(s) for UCI transmission in the target time unit;

wherein the determining, based on the set of PUCCH resources, PUCCH resource(s) for UCI transmission in the target time unit comprises:

step 1, selecting, from the set of PUCCH resources, PUCCH resource with the earliest start time as a first PUCCH resource, and determining, from the set of PUCCH resources, a second PUCCH resource overlapping with the first PUCCH resource in time domain;

step 2, multiplexing, based on a predetermined multiplexing rule, UCI on both the first PUCCH resource and the second PUCCH resource;

step 3, adding a PUCCH resource determined for multiplexing the UCI to the set of PUCCH resources, and deleting the first PUCCH resource and the second PUCCH resource from the set of PUCCH resources to obtain an updated set of PUCCH resources; and

step 4, performing repeatedly the step 1 to the step 3 on the updated set of PUCCH resources until the set of PUCCH resources in the target time unit does not comprise PUCCH resources overlapped in time domain.

2 . The method of claim 1 , wherein

in case that the set of PUCCH resources comprises multiple PUCCH resources with the earliest start time, selecting a PUCCH resource with longer duration, from the multiple PUCCH resources with the earliest start time, as the first PUCCH resource; or

in case that the set of PUCCH resources comprises multiple PUCCH resources with the earliest start time and the same duration, selecting any one PUCCH resource, from the multiple PUCCH resources with the earliest start time and the same duration, as the first PUCCH resource.

3 . The method of claim 1 , wherein the multiplexing rule comprises at least one of a first multiplexing rule, a second multiplexing rule, a third multiplexing rule or a fourth multiplexing rule,

wherein the first multiplexing rule comprises: determining a target PUCCH resource for simultaneously carrying the UCI on both the first PUCCH resource and the second PUCCH resource, and performing multiplexing transmission of UCIs on the target PUCCH resource;

the second multiplexing rule comprises: transmitting PUCCH on one of the first PUCCH resource and the second PUCCH resource and dropping the PUCCH on another resource of the first PUCCH resource and the second PUCCH resource;

the third multiplexing rule comprises: in case that there are multiple second PUCCH resources, performing, based on the first multiplexing rule, multiplexing transmission of UCIs for the first PUCCH resource and a part of the multiple second PUCCH resources and performing, based on the second multiplexing rule, multiplexing transmission of UCIs for the first PUCCH resource and a remaining part of the multiple second PUCCH resources; and

the fourth multiplexing rule comprises: in case that there are multiple second PUCCH resources, and the multiple second PUCCH resources comprise a second PUCCH resource with the same physical layer priority as the first PUCCH resource and a second PUCCH resource with different physical layer priority as the first PUCCH resource,

performing, based on the first multiplexing rule or the second multiplexing rule, multiplexing transmission of UCIs for each of the second PUCCH resources and the first PUCCH resource; or

performing, based on a first target multiplexing rule, multiplexing transmission of UCIs for PUCCH resources with the same physical layer priority among the first PUCCH resource and the multiple second PUCCH resources, and then performing, based on a second target multiplexing rule, multiplexing transmission of UCIs for PUCCH resources with different physical layer priority among the first PUCCH resource and the multiple second PUCCH resources, wherein the first target multiplexing rule comprises any one of the first multiplexing rule, the second multiplexing rule or the third multiplexing rule, and the second target multiplexing rule comprises any one of the first multiplexing rule, the second multiplexing rule or the third multiplexing rule.

4 . The method of claim 3 , wherein in case of any one of the following scenarios, the first multiplexing rule is adopted:

the first PUCCH resource and the second PUCCH resource have the same physical layer priority;

the first PUCCH resource and the second PUCCH resource have different physical layer priority and multiplexing transmission is supported for UCI carried on the first PUCCH resource and the second PUCCH resource; or,

there are multiple second PUCCH resources, the multiple second PUCCH resources have the same or different physical layer priority as the first PUCCH resource and multiplexing transmission is supported for UCI carried on the first PUCCH resource and the second PUCCH resource.

5 . The method of claim 3 , wherein the transmitting PUCCH on one of the first PUCCH resource and the second PUCCH resource and dropping the PUCCH on another resource of the first PUCCH resource and the second PUCCH resource comprises:

in case that the first PUCCH resource and the second PUCCH resource have different physical layer priority and multiplexing transmission is not supported for UCI carried on the first PUCCH resource and the second PUCCH resource, transmitting PUCCH only on a PUCCH resource with a higher physical layer priority among the first PUCCH resource and the second PUCCH resource and dropping the PUCCH on a PUCCH resource with a lower physical layer priority among the first PUCCH resource and the second PUCCH resource; or

in case that a specific PUCCH format is used for the first PUCCH resource and the second PUCCH resource, transmitting PUCCH on one of the first PUCCH resource and the second PUCCH resource and dropping the PUCCH on another resource of the first PUCCH resource and the second PUCCH resource.

6 . The method of claim 1 , wherein

the target time unit is a slot; or,

the target time unit is the longest transmission unit among transmission units corresponding to PUCCHs with two different physical layer priority, and the transmission unit is a slot or a sub-slot.

7 . The method of claim 1 , wherein at least one of the following PUCCH resources is excluded from the set of PUCCH resources:

in case that there is a third PUCCH resource carrying a scheduling request (SR), there is no positive SR in the third PUCCH resource and the third PUCCH resource does not overlap with other PUCCH resources in time domain, then the third PUCCH resource is excluded from the set of PUCCH resources;

in case that multiplexing of HARQ-ACK and channel state information (CSI) is not configured to support, then a PUCCH resource among fourth PUCCH resources carrying the CSI in the target time unit and overlapping with a PUCCH resource carrying HARQ-ACK in time domain is excluded from the set of PUCCH resources; or,

in case that multiplexing of HARQ-ACK and CSI is not configured to support, a fifth PUCCH resource carrying HARQ-ACK exists in the target time unit and a long PUCCH format is configured for the fifth PUCCH resource, then a sixth PUCCH resource carrying CSI and using the long PUCCH format in the target time unit is excluded from the set of PUCCH resources.

8 . A multiplexing apparatus, comprising:

a memory storing a computer program, a processor, a transceiver for transmitting and receiving data under the control the processor,

the computer program, when executed by the processor, causes the multiplexing apparatus to perform the following operations of:

in case that multiplexing transmission of uplink control informations (UCIs) on physical uplink control channels (PUCCHs) with different physical layer priority is configured or supported and the PUCCHs overlap in time domain, determining a target time unit and determining PUCCH resources for UCI transmission in the target time unit as a set of PUCCH resources; and

determining, based on the set of PUCCH resources, PUCCH resource(s) for UCI transmission in the target time unit;

wherein the determining, based on the set of PUCCH resources, PUCCH resource(s) for UCI transmission in the target time unit comprises:

step 1, selecting, from the set of PUCCH resources, PUCCH resource with the earliest start time as a first PUCCH resource, and determining, from the set of PUCCH resources, a second PUCCH resource overlapping with the first PUCCH resource in time domain;

step 2, multiplexing, based on a predetermined multiplexing rule, UCI on both the first PUCCH resource and the second PUCCH resource;

step 3, adding a PUCCH resource determined for multiplexing the UCI to the set of PUCCH resources, and deleting the first PUCCH resource and the second PUCCH resource from the set of PUCCH resources to obtain an updated set of PUCCH resources; and

step 4, performing repeatedly the step 1 to the step 3 on the updated set of PUCCH resources until the set of PUCCH resources in the target time unit does not comprise PUCCH resources overlapped in time domain.

9 . The multiplexing apparatus of claim 8 , wherein

in case that the set of PUCCH resources comprises multiple PUCCH resources with the earliest start time, selecting a PUCCH resource with longer duration, from the multiple PUCCH resources with the earliest start time, as the first PUCCH resource; or

in case that the set of PUCCH resources comprises multiple PUCCH resources with the earliest start time and the same duration, selecting any one PUCCH resource, from the multiple PUCCH resources with the earliest start time and the same duration, as the first PUCCH resource.

10 . The multiplexing apparatus of claim 8 , wherein the multiplexing rule comprises at least one of a first multiplexing rule, a second multiplexing rule, a third multiplexing rule or a fourth multiplexing rule,

wherein the first multiplexing rule comprises: determining a target PUCCH resource for simultaneously carrying the UCI on both the first PUCCH resource and the second PUCCH resource, and performing multiplexing transmission of UCIs on the target PUCCH resource;

the second multiplexing rule comprises: transmitting PUCCH on one of the first PUCCH resource and the second PUCCH resource and dropping the PUCCH on another resource of the first PUCCH resource and the second PUCCH resource;

the third multiplexing rule comprises: in case that there are multiple second PUCCH resources, performing, based on the first multiplexing rule, multiplexing transmission of UCIs for the first PUCCH resource and a part of the multiple second PUCCH resources and performing, based on the second multiplexing rule, multiplexing transmission of UCIs for the first PUCCH resource and a remaining part of the multiple second PUCCH resources; and

the fourth multiplexing rule comprises: in case that there are multiple second PUCCH resources, and the multiple second PUCCH resources comprise a second PUCCH resource with the same physical layer priority as the first PUCCH resource and a second PUCCH resource with different physical layer priority as the first PUCCH resource,

performing, based on the first multiplexing rule or the second multiplexing rule, multiplexing transmission of UCIs on each of the second PUCCH resources and the first PUCCH resource; or

performing, based on a first target multiplexing rule, multiplexing transmission of UCIs for PUCCH resources with the same physical layer priority among the first PUCCH resource and the multiple second PUCCH resources, and then performing, based on a second target multiplexing rule, multiplexing transmission of UCIs for PUCCH resources with different physical layer priority among the first PUCCH resource and the multiple second PUCCH resources, wherein the first target multiplexing rule comprises any one of the first multiplexing rule, the second multiplexing rule or the third multiplexing rule, and the second target multiplexing rule comprises any one of the first multiplexing rule, the second multiplexing rule or the third multiplexing rule.

11 . The multiplexing apparatus of claim 10 , wherein in case of any one of the following scenarios, the first multiplexing rule is adopted:

the first PUCCH resource and the second PUCCH resource have the same physical layer priority;

the first PUCCH resource and the second PUCCH resource have different physical layer priority and multiplexing transmission is supported for UCI carried on the first PUCCH resource and the second PUCCH resource; or,

there are multiple second PUCCH resources, the multiple second PUCCH resources have the same or different physical layer priority as the first PUCCH resource and multiplexing transmission is supported for UCI carried on the first PUCCH resource and the second PUCCH resource.

12 . The multiplexing apparatus of claim 10 , wherein the transmitting PUCCH on one of the first PUCCH resource and the second PUCCH resource and dropping the PUCCH on another resource of the first PUCCH resource and the second PUCCH resource, comprises:

in case that the first PUCCH resource and the second PUCCH resource have different physical layer priority and multiplexing transmission is not supported for UCI carried on the first PUCCH resource and the second PUCCH resource, transmitting PUCCH only on a PUCCH resource with a higher physical layer priority among the first PUCCH resource and the second PUCCH resource and dropping the PUCCH on a PUCCH resource with a lower physical layer priority among the first PUCCH resource and the second PUCCH resource; or

in case that a specific PUCCH format is sued for the first PUCCH resource and the second PUCCH resource, transmitting PUCCH on one of the first PUCCH resource and the second PUCCH resource and dropping the PUCCH on another resource of the first PUCCH resource and the second PUCCH resource.

13 . The multiplexing apparatus of claim 8 , wherein:

the target time unit is a slot; or,

the target time unit is the longest transmission unit among transmission units corresponding to PUCCHs with two different physical layer priority, and the transmission unit is a slot or a sub-slot.

14 . The multiplexing apparatus of claim 8 , wherein at least one of the following PUCCH resources is excluded from the set of PUCCH resources:

in case that there is a third PUCCH resource carrying a scheduling request (SR), there is no positive SR in the third PUCCH resource and the third PUCCH resource does not overlap with other PUCCH resources in time domain, then the third PUCCH resource is excluded from the set of PUCCH resources;

in case that multiplexing of HARQ-ACK and channel state information (CSI) is not configured to support, then a PUCCH resource among fourth PUCCH resources carrying the CSI in the target time unit and overlapping with a PUCCH resource carrying HARQ-ACK in time domain is excluded from the set of PUCCH resources; or,

in case that multiplexing of HARQ-ACK and CSI is not configured to support, a fifth PUCCH resource carrying HARQ-ACK exists in the target time unit and a long PUCCH format is configured for the fifth PUCCH resource, then a sixth PUCCH resource carrying CSI and using the long PUCCH format in the target time unit is excluded from the set of PUCCH resources.

15 . A non-transitory computer readable storage medium, storing computer programs, wherein the computer programs, when executed by a processor, cause the processor to perform the following operations:

in case that multiplexing transmission of uplink control informations (UCIs) on physical uplink control channels (PUCCHs) with different physical layer priority is configured or supported and the PUCCHs overlap in time domain, determining a target time unit and determining PUCCH resources for UCI transmission in the target time unit as a set of PUCCH resources; and

determining, based on the set of PUCCH resources, PUCCH resource(s) for UCI transmission in the target time unit;

wherein the determining, based on the set of PUCCH resources, PUCCH resource(s) for UCI transmission in the target time unit comprises:

step 1, selecting, from the set of PUCCH resources, PUCCH resource with the earliest start time as a first PUCCH resource, and determining, from the set of PUCCH resources, a second PUCCH resource overlapping with the first PUCCH resource in time domain;

step 2, multiplexing, based on a predetermined multiplexing rule, UCI on both the first PUCCH resource and the second PUCCH resource;

step 3, adding a PUCCH resource determined for multiplexing the UCI to the set of PUCCH resources, and deleting the first PUCCH resource and the second PUCCH resource from the set of PUCCH resources to obtain an updated set of PUCCH resources; and

step 4, performing repeatedly the step 1 to the step 3 on the updated set of PUCCH resources until the set of PUCCH resources in the target time unit does not comprise PUCCH resources overlapped in time domain.

Assignments (1)

Priority Claims (1)

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References Cited (34)