US-12627349-B2 - Information reporting and receiving method, terminal device and network device

Abstract

An information reporting and receiving method, a terminal device and a network device are provided in the present disclosure. The information reporting method, performed by the terminal device, which includes: acquiring resource configuration information for channel measurement, where the resource configuration information indicates at least two resource groups and resources included in each resource group; determining reporting configuration of channel state information (CSI); acquiring at least one CSI according to the resource configuration information and the reporting configuration; sending a target CSI to a network device according to the at least one CSI, where the target CSI includes first information, and the first information indicates a target resource and a type of transmission mode recommended by a terminal, where the target resource includes: at least one resource or a combination of at least two resources.

Inventors

• Xin Su
• Qiubin Gao
• Lei Song

Assignees

• DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

Dates

Publication Date

20260512

Application Date

20211224

Priority Date

20210115

Claims (20)

1. 1 . An information reporting method, performed by a terminal device, comprising: acquiring resource configuration information for channel measurement, wherein the resource configuration information indicates at least two resource groups and resources comprised in each resource group; determining reporting configuration of channel state information (CSI); acquiring at least one CSI according to the resource configuration information and the reporting configuration; sending a target CSI to a network device according to the at least one CSI, wherein the target CSI comprises first information, and the first information indicates a target resource and a type of transmission mode recommended by a terminal, wherein the target resource comprises: at least one resource or a combination of at least two resources.
2. 2 . The method according to claim 1 , wherein the acquiring resource configuration information for channel measurement comprises: receiving grouping configuration information sent by the network device; determining the resource configuration information for channel measurement according to the grouping configuration information.
3. 3 . The method according to claim 2 , wherein the grouping configuration information comprises any one of the following: group identification information corresponding to each resource in a resource set for channel measurement; a size of each resource group; a bitmap corresponding to resources in the resource set for channel measurement; Quasi-co-location (QCL) relationship of resources in the resource set for channel measurement.
4. 4 . The method according to claim 3 , wherein in a case that the grouping configuration information comprises the QCL relationship of resources in the resource set for channel measurement, the determining the resource configuration information for channel measurement according to the grouping configuration information comprises: determining, for a first resource and a second resource in the resource set of channel measurement, that the first resource and the second resource belong to a same resource group in a case that the first resource and the second resource have a first type of QCL relationship with a first reference signal; wherein the first type comprises one of the following: Type A; Type B; Type C; Type D; Type A and Type D; Type C and Type D.
5. 5 . The method according to claim 1 , wherein the reporting configuration comprises at least one of the following: reporting at least one CSI acquired on the basis of a transmission mode of single-point transmission; reporting at least one CSI acquired on the basis of a transmission mode of multi-point transmission.
6. 6 . The method according to claim 5 , wherein a type of the transmission mode of multi-point transmission comprises at least one of the following: space division multiplexing (SDM); frequency division multiplexing (FDM) mode A; FDM mode B; time division multiplexing TDM mode A; TDM mode four; high-speed rail enhancement mode.
7. 7 . The method according to claim 5 , wherein a type of the transmission mode of single-point transmission comprises at least one of the following: dynamic transmission point selection (DPS); DPS and single-point repeat transmission; dynamic transmission point become silent (DPB); DPB and single-point repeat transmission.
8. 8 . The method according to claim 5 , wherein in a case that the reporting configuration comprises: reporting at least one CSI acquired on the basis of the transmission mode of multi-point transmission, the acquiring at least one CSI according to the resource configuration information and the reporting configuration comprises: selecting at least two groups from the at least two resource groups, and selecting one resource from each group of the at least two groups to perform channel measurement respectively, and acquiring corresponding CSI.
9. 9 . The method according to claim 5 , wherein in a case that the reporting configuration comprises: reporting at least one CSI acquired on the basis of the transmission mode of single-point transmission, the acquiring at least one CSI according to the resource configuration information and the reporting configuration comprises: selecting a second resource from a first resource to perform channel measurement, and acquiring corresponding CSI, wherein the first resource is all resources that can be used for CSIs acquired on the basis of the transmission mode of single-point transmission, or the first resource is all resources configured by the network device.
10. 10 . The method according to claim 5 , wherein in a case that the reporting configuration comprises: reporting at least one CSI acquired on the basis of the transmission mode of single-point transmission, the target CSI comprises X 1 first information, each of the first information is configured to identify one of combinations of Y 1 resources and Z 1 types of transmission modes of single-point transmission, or, each of the first information corresponds to one resource in one resource group; wherein X 1 is a quantity of CSIs acquired on the basis of the transmission mode of single-point transmission; Y 1 is a quantity of resources that can be used for CSIs acquired on the basis of the transmission mode of single-point transmission; Z 1 is a quantity of types of the transmission modes of single-point transmission; X 1 , Y 1 and Z 1 are all positive integers.
11. 11 . The method according to claim 10 , wherein in a case that each of the first information is configured to identify one of combinations of Y 1 resources and Z 1 types of transmission modes of single-point transmission, total number of bits occupied by the first information in the target CSI is: X 1 ×┌log 2 Y 1 Z 1 ┐.
12. 12 . The method according to claim 5 , wherein in a case that the reporting configuration comprises: reporting at least one CSI acquired on the basis of the transmission mode of single-point transmission, the target CSI comprises one first information, the first information is configured to identify X 1 combinations selected from combinations of Y 1 resources and Z 1 types of transmission modes of single-point transmission, or, the first information is configured to identify a combination of one resource selected from a plurality of resource groups respectively, wherein X 1 is a quantity of CSIs acquired on the basis of the transmission mode of single-point transmission; Y 1 is a quantity of resources that can be used for CSIs acquired on the basis of the transmission mode of single-point transmission; Z 1 is a quantity of types of the transmission modes of single-point transmission; X 1 , Y 1 and Z 1 are all positive integers.
13. 13 . The method according to claim 12 , wherein in a case that the first information is configured to identify X 1 combinations selected from combinations of Y 1 resources and Z 1 types of transmission modes of single-point transmission, total number of bits occupied by the first information in the target CSI is: ⌈ log 2 ⁢ C Y 1 ⁢ Z 1 X 1 ⌉ , wherein C Y 1 ⁢ Z 1 X 1 is a quantity of combinations of X 1 elements selected from Y 1 Z 1 elements.
14. 14 . The method according to claim 5 , wherein in a case that the reporting configuration comprises: reporting at least one CSI acquired on the basis of the transmission mode of multi-point transmission, the target CSI comprises X 2 first information, each of the first information is configured to identify one of combinations of Y 2 resource combinations and Z 2 types of transmission modes of multi-point transmission; wherein X 2 is a quantity of CSIs acquired on the basis of the transmission mode of multi-point transmission; Y 2 is a quantity of resource combinations that can be used for CSIs acquired on the basis of the transmission mode of multi-point transmission; Z 2 is a quantity of types of the transmission modes of multi-point transmission; X 2 , Y 2 and Z 2 are all positive integers.
15. 15 . The method according to claim 14 , wherein total number of bits occupied by the first information in the target CSI is: X 2 ×┌log 2 Y 2 Z 2 ┐.
16. 16 . The method according to claim 5 , wherein in a case that the reporting configuration comprises: reporting at least one CSI acquired on the basis of the transmission mode of multi-point transmission, the target CSI comprises one first information, the first information is configured to identify X 2 combinations selected from the combinations of Y 2 resource combinations and Z 2 types of transmission modes of multi-point transmission; wherein X 2 is a quantity of CSIs acquired on the basis of the transmission mode of multi-point transmission; Y 2 is a quantity of resource combinations that can be used for CSIs acquired on the basis of the transmission mode of multi-point transmission; Z 2 is a quantity of types of the transmission modes of multi-point transmission; X 2 , Y 2 and Z 2 are all positive integers.
17. 17 . The method according to claim 16 , wherein total number of bits occupied by the first information in the target ⌈ log 2 ⁢ C Y 2 ⁢ Z 2 X 2 ⌉ , wherein C Y 2 ⁢ Z 2 X 2 is a quantity of combinations of X 2 elements selected from Y 2 Z 2 elements.
18. 18 . An information receiving method, performed by a network device comprises: receiving target channel state information (CSI) sent by the terminal device, wherein a target CSI comprises first information, and the first information indicates a target resource and a type of transmission mode recommended by the terminal; wherein the target resource comprises: at least one resource or a combination of at least two resources; the target CSI is determined by the terminal device according to resource configuration information for channel measurement and at least one CSI acquired by CSI reporting configuration, and the resource configuration information indicates at least two resource groups and resources comprised in each resource group.
19. 19 . A terminal device, comprises a memory, a transceiver, and a processor, wherein the memory is configured to store computer programs; the transceiver is configured to send and receive data under the control of the processor; and the processor is configured to read the computer programs in the memory and perform the following operations of: acquiring resource configuration information for channel measurement, wherein the resource configuration information indicates at least two resource groups and resources comprised in each resource group; determining reporting configuration of channel state information (CSI); acquiring at least one CSI according to the resource configuration information and the reporting configuration; sending a target CSI to a network device according to the at least one CSI, wherein the target CSI comprises first information, and the first information indicates a target resource and a type of transmission mode recommended by a terminal, wherein the target resource comprises: at least one resource or a combination of at least two resources.
20. 20 . A network device, comprises a memory, a transceiver, and a processor, wherein the memory is configured to store computer programs; the transceiver is configured to send and receive data under control of the processor; and the processor is configured to read the computer programs in the memory and perform the information receiving method according to claim 18 .

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is the U.S. national phase of PCT Application No. PCT/CN2021/141162 filed on Dec. 24, 2021, which claims priority to Chinese Patent Application No. 202110057661.8 filed on Jan. 15, 2021, the disclosures of which are incorporated in their entireties by reference herein. TECHNICAL FIELD The present disclosure relates to the field of communications technology, and in particular to an information reporting and receiving method, a terminal device and a network device. BACKGROUND According to the conclusions of the current standardization discussions, in the process of multiple target reference point (Multiple Target Reference Point, MTRP) channel state information (Channel State Information, CSI) measurement, it is assumed that several resources (resource) in a resource set (resource set) are used as common-mode ratio (Common-Mode Ratio, CMR) of each TRP participating in the collaboration. Based on the measurement of the above-mentioned resources, the terminal calculates and reports the corresponding CSI according to different transmission scheme assumptions. During the above-mentioned process, issues that have not been clarified include: 1) How to map resource and TRP during the CSI reporting configuration process;2) In the CSI calculation and reporting by the terminal, how to reflect the corresponding relationship between the CSI, and the TRP and transmission scheme selected by the terminal. SUMMARY Embodiments of the present disclosure provide an information reporting and receiving method, a terminal device, and a network device, so as to solve the problem in the related art that in the process of CSI calculation and reporting for coordinated multi-point transmission, the corresponding relationship between CSI and TRP selected by the terminal cannot be reflected, which cannot guarantee the reliability of network transmission. In order to solve the above-mentioned technical problem, an embodiment of the present disclosure provides an information reporting method, performed by a terminal device, which includes: acquiring resource configuration information for channel measurement, where the resource configuration information indicates at least two resource groups and resources included in each resource group;determining reporting configuration of channel state information (CSI);acquiring at least one CSI according to the resource configuration information and the reporting configuration;sending a target CSI to a network device according to the at least one CSI,where the target CSI includes first information, and the first information indicates a target resource and a type of transmission mode recommended by a terminal,where the target resource includes: at least one resource or a combination of at least two resources. Optionally, the acquiring resource configuration information for channel measurement includes: receiving grouping configuration information sent by the network device;determining the resource configuration information for channel measurement according to the grouping configuration information. Further, the grouping configuration information includes any of the following: group identification information corresponding to each resource in a resource set for channel measurement;a size of each resource group;a bitmap corresponding to resources in the resource set for channel measurement;Quasi-co-location (QCL) relationship of resources in the resource set for channel measurement. Optionally, in a case that the grouping configuration information includes the QCL relationship of resources in the resource set for channel measurement, the determining the resource configuration information for channel measurement according to the grouping configuration information includes: determining, for a first resource and a second resource in the resource set for channel measurement, that the first resource and the second resource belong to a same resource group in a case that the first resource and the second resource have a first type of QCL relationship with a first reference signal;where the first type includes one of the following:Type A;Type B;Type C;Type D;Type A and Type D; or,Type C and Type D. Optionally, the grouping configuration information further includes: identification information indicating resources in a first resource group of the at least two resource groups to acquire CSI in a transmission mode of single-point transmission. Optionally, configuration mode of the reporting configuration includes at least one of the following: network device configuration;predefinition;terminal reporting configuration; or,determination according to resource configuration information. Optionally, the reporting configuration includes at least one of the following: reporting at least one CSI acquired on the basis of a transmission mode of single-point transmission; or,reporting at least one CSI acquired on the basis of a transmission mode of multi-point transmiss