IP Library › Granted Patent US 11,497,003

Granted Patent B2

US 11,497,003 · App. 16/961,863 · Granted Nov 8, 2022

Information transmission method, terminal and network device

Inventors: Xuejuan Gao (Beijing, CN); Tony Ekpenyong (Beijing, CN)

Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

H04W72/0413 H04W72/1268

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Quick Facts

Patent No.: US 11,497,003
App. No.: 16/961,863
Granted: Nov 8, 2022
Kind: B2

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Abstract

An information transmission method, a terminal and a network device are provided. The information transmission method includes: determining a plurality of PUCCH resources corresponding to UCI; determining a target PUCCH resource for the UCI transmission from the plurality of PUCCH resources, according to Scheduling Request (SR) states of a plurality of SR configurations; and sending the UCI through the target PUCCH resource.

Claims (192)

1. An information transmission method, applied to a terminal, comprising:

determining a plurality of Physical Uplink Control Channel (PUCCH) resources corresponding to Uplink Control Information (UCI);

determining a target PUCCH resource for a UCI transmission from the plurality of PUCCH resources, according to Scheduling Request (SR) states of a plurality of SR configurations; and

sending the UCI through the target PUCCH resource;

wherein the UCI comprises at least one of:

a Hybrid Automatic Repeat reOuest-ACKnowledgement (HARO-ACK) or Channel State Information (CSI);

wherein the determining the plurality of PUCCH resources corresponding to the UCI comprises one of the following methods:

Method 1: determining the plurality of PUCCH resources corresponding to the UCI based on an initial cyclic shift parameter configured for the UCI;

Method 2: determining M+1 PUCCH resources corresponding to the UCI according to a PUCCH resource indication field in Downlink Control Information (DCI);

Method 3: determining M+1 PUCCH resources from preconfigured J PUCCH resources as the M+1 PUCCH resources, wherein J is an integer greater than or equal to M+1;

wherein for Methods 2 and 3, M is an integer greater than 1, one PUCCH resource of the M+1 PUCCH resources is for the UCI transmission in the case that the SR states of the plurality of SR configurations are negative SR, and each PUCCH resource of the rest of the M+1 PUCCH resources is for the UCI transmission in the case that the SR state of the SR configuration corresponding to the each PUCCH resource is positive SR;

wherein the J PUCCH resources are configured by a high layer signaling, or the J PUCCH resources are determined from a plurality of PUCCH resource sets preconfigured by a high layer signaling according to a bit quantity of the UCI;

wherein in using Method 1, the determining the plurality of PUCCH resources corresponding to the UCI based on the initial cyclic shift parameter configured for the UCI comprises:

determining M+1 cyclic shift parameter sets based on the initial cyclic shift parameter configured for the UCI;

wherein each cyclic shift parameter set comprises a plurality of cyclic shift parameters, and each cyclic shift parameter in each cyclic shift parameter set corresponds to a feedback state of the UCI;

wherein each cyclic shift parameter in the cyclic shift parameter sets is determined by performing a preset offset based on the initial cyclic shift parameter;

wherein M is an integer greater than 1, one cyclic shift parameter set of the M+1 cyclic shift parameter sets is for the UCI transmission in the case that the SR states of the plurality of SR configurations are negative SR, and each cyclic shift parameter set of the rest of the M+1 cyclic shift parameter sets is for the UCI transmission in the case that the SR state of the SR configuration corresponding to the each cyclic shift parameter set is positive SR.

2. The information transmission method according to claim 1 ,

wherein in case that the Method 2 is used, the determining the M+1 PUCCH resources corresponding to the UCI according to the PUCCH resource indication field in the DCI comprises:

determining the M+1 PUCCH resources from a preset PUCCH resource set according to the PUCCH resource indication field in the DCI;

wherein the determining the M+1 PUCCH resources from the preset PUCCH resource set according to the PUCCH resource indication field in the DCI comprises:

in the case that the PUCCH resource indication field indicates that the UCI corresponds to a k th PUCCH resource in the PUCCH resource set,

determining the k th PUCCH resource and a ((k+i) mod N) th PUCCH resource in the PUCCH resource set as the M+1 PUCCH resources, or

determining the k th PUCCH resource and a ((k+4+i) mod N) th PUCCH resource in the PUCCH resource set as the M+1 PUCCH resources;

where i is an integer greater than 0 and less than or equal to M, and N is a quantity of PUCCH resources in the PUCCH resource set;

or,

the determining the M+1 PUCCH resources corresponding to the UCI according to the PUCCH resource indication field in the DCI comprises:

in the case that the PUCCH resource indication field indicates one PUCCH resource subset in the PUCCH resource set, wherein the PUCCH resource subset comprises more than one PUCCH resource;

in the case that a quantity of the PUCCH resources in the PUCCH resource subset is less than M+1, determining the M+1 PUCCH resources from the one PUCCH resource subset and the subsequent one or more PUCCH resource subsets, in an order from the PUCCH resources in the one PUCCH resource subset to the PUCCH resources in the subsequent one or more PUCCH resource subsets;

in the case that the quantity of the PUCCH resources in the PUCCH resource subset is equal to M+1, determining the PUCCH resources in the PUCCH resource subset as the M+1 PUCCH resources;

in the case that the quantity of the PUCCH resources in the PUCCH resource subset is greater than M+1, determining the M+1 PUCCH resources from the PUCCH resource subset.

3. The information transmission method according to claim 2 , wherein in the case that the Method 1 is used, the determining the target PUCCH resource for the UCI transmission from the plurality of PUCCH resources according to the SR states of the plurality of SR configurations comprises:

in the case that the SR state of each of the plurality of SR configurations is negative SR, determining the cyclic shift parameter set corresponding to negative SR among the M+1 cyclic shift parameter sets as a target cyclic shift parameter set for the UCI transmission;

in the case that the SR state of one SR configuration of the plurality of SR configurations is positive SR, determining the cyclic shift parameter set corresponding to the one SR configuration among the M+1 cyclic shift parameter sets as a target cyclic shift parameter set for the UCI transmission;

in the case that the Method 2 or Method 3 is used, the determining the target PUCCH resource for the UCI transmission from the M+1 PUCCH resources according to the SR states of the plurality of SR configurations comprises:

in the case that the SR state of each of the plurality of SR configurations is negative SR, determining the PUCCH resource corresponding to negative SR in the M+1 PUCCH resources as the target PUCCH resource for the UCI transmission;

in the case that the SR state of one SR configuration of the plurality of SR configurations is positive SR, determining the PUCCH resource corresponding to the one SR configuration in the M+1 PUCCH resources as the target PUCCH resource for the UCI transmission.

4. The information transmission method according to claim 2 , wherein in the case that the Method 1 is used, a correspondence between the M+1 cyclic shift parameter sets and the negative SR state and the positive SR state of each of the plurality of SR configurations is predefined, or configured by a network device, or determined according to a preset rule;

in the case that the Method 2 or Method 3 is used, a correspondence between the M+1 PUCCH resources and the negative SR state and the positive SR state of each of the plurality of SR configurations is predefined, or configured by a network device, or determined according to a preset rule;

the M is determined according to one of:

a maximum quantity of SR configurations supported by the terminal;

a quantity of SR configurations configured for the terminal;

a quantity of SR configurations overlapped in a same SR transmission occasion configured for the terminal; and

a quantity indicated through a configuration signaling sent by a network device.

5. The information transmission method according to claim 1 , further comprising:

determining the plurality of PUCCH resources corresponding to the UCI, in the case that:

a current time is a transmission occasion of SR; or

a current time is a transmission occasion of SR, and there exist a plurality of SR configurations in the transmission occasion.

6. A terminal, comprising: a transceiver, a memory, a processor and a program stored in the memory and executable on the processor, wherein the processor is configured to execute the program to:

determine a plurality of Physical Uplink Control Channel (PUCCH) resources corresponding to Uplink Control Information (UCI);

determine a target PUCCH resource for a UCI transmission from the plurality of PUCCH resources, according to Scheduling Request (SR) states of a plurality of SR configurations; and

send the UCI through the target PUCCH resource;

wherein the UCI comprises at least one of:

a Hybrid Automatic Repeat reOuest-ACKnowledgement (HARO-ACK) or Channel State Information (CSI);

wherein the processor is configured to execute the program to perform one of the following methods:

Method 1: determining the plurality of PUCCH resources corresponding to the UCI based on an initial cyclic shift parameter configured for the UCI;

Method 2: determining M+1 PUCCH resources corresponding to the UCI according to a PUCCH resource indication field in Downlink Control Information (DCI);

Method 3: determining M+1 PUCCH resources from preconfigured J PUCCH resources as the M+1 PUCCH resources, wherein J is an integer greater than or equal to M+1;

wherein in using Method 1, the processor is configured to execute the program to perform:

determining M+1 cyclic shift parameter sets based on the initial cyclic shift parameter configured for the UCI;

wherein each cyclic shift parameter in the cyclic shift parameter sets is determined by performing a preset offset based on the initial cyclic shift parameter;

7. The terminal according to claim 6 , wherein

in case that the processor is configured to execute the program the Method 2, the processor is configured to execute the program to:

determine the M+1 PUCCH resources from a preset PUCCH resource set according to the PUCCH resource indication field in the DCI;

wherein the processor is configured to execute the program to:

in the case that the PUCCH resource indication field indicates that the UCI corresponds to a k th PUCCH resource in the PUCCH resource set,

determine the k th PUCCH resource and a ((k+i) mod N) th PUCCH resource in the PUCCH resource set as the M+1 PUCCH resources, or

determine the k th PUCCH resource and a ((k+4+i) mod N) th PUCCH resource in the PUCCH resource set as the M+1 PUCCH resources;

where i is an integer greater than 0 and less than or equal to M, and N is a quantity of PUCCH resources in the PUCCH resource set;

or,

the processor is configured to execute the program to:

in the case that the PUCCH resource indication field indicates one PUCCH resource subset in the PUCCH resource set, wherein the PUCCH resource subset comprises more than one PUCCH resource;

in the case that a quantity of the PUCCH resources in the PUCCH resource subset is less than M+1, determine the M+1 PUCCH resources from the one PUCCH resource subset and the subsequent one or more PUCCH resource subsets, in an order from the PUCCH resources in the one PUCCH resource subset to the PUCCH resources in the subsequent one or more PUCCH resource subsets;

in the case that the quantity of the PUCCH resources in the PUCCH resource subset is equal to M+1, determine the PUCCH resources in the PUCCH resource subset as the M+1 PUCCH resources;

in the case that the quantity of the PUCCH resources in the PUCCH resource subset is greater than M+1, determine the M+1 PUCCH resources from the PUCCH resource subset.

8. The terminal according to claim 7 , wherein in the case that the processor is configured to execute the program to perform the Method 1, the processor is configured to execute the program to:

in the case that the SR state of each of the plurality of SR configurations is negative SR, determine the cyclic shift parameter set corresponding to negative SR among the M+1 cyclic shift parameter sets as a target cyclic shift parameter set for the UCI transmission;

in the case that the SR state of one SR configuration of the plurality of SR configurations is positive SR, determine the cyclic shift parameter set corresponding to the one SR configuration among the M+1 cyclic shift parameter sets as a target cyclic shift parameter set for the UCI transmission;

in the case that the processor is configured to execute the program to perform the Method 2 or Method, the processor is configured to execute the program to:

in the case that the SR state of each of the plurality of SR configurations is negative SR, determine the PUCCH resource corresponding to negative SR in the M+1 PUCCH resources as the target PUCCH resource for the UCI transmission;

in the case that the SR state of one SR configuration of the plurality of SR configurations is positive SR, determine the PUCCH resource corresponding to the one SR configuration in the M+1 PUCCH resources as the target PUCCH resource for the UCI transmission.

9. The terminal according to claim 7 , wherein in the case that the processor is configured to execute the program to perform the Method, a correspondence between the M+1 cyclic shift parameter sets and the negative SR state and the positive SR state of each of the plurality of SR configurations is predefined, or configured by a network device, or determined according to a preset rule;

in the case that the processor is configured to execute the program to perform the Method 2 or Method 3, a correspondence between the M+1 PUCCH resources and the negative SR state and the positive SR state of each of the plurality of SR configurations is predefined, or configured by a network device, or determined according to a preset rule;

the M is determined according to one of:

a maximum quantity of SR configurations supported by the terminal;

a quantity of SR configurations configured for the terminal;

a quantity of SR configurations overlapped in a same SR transmission occasion configured for the terminal; and

a quantity indicated through a configuration signaling sent by a network device.

10. The terminal according to claim 6 , wherein the processor is configured to execute the program to:

determine the plurality of PUCCH resources corresponding to the UCI, in the case that:

a current time is a transmission occasion of SR; or

a current time is a transmission occasion of SR, and there exist a plurality of SR configurations in the transmission occasion.

11. An information transmission method, applied to a network device, comprising:

determining a plurality of Physical Uplink Control Channel (PUCCH) resources corresponding to Uplink Control Information (UCI); and

detecting the UCI in the plurality of PUCCH resource, and determining Scheduling Request (SR) states of a plurality of SR configurations based on the PUCCH resource of the detected UCI;