CN-122002525-A - Sensing method, sensing device, communication device, storage medium and computer program product

Abstract

The application discloses a sensing method, a sensing device, a communication device, a storage medium and a computer program product, wherein first communication equipment sends a first reference signal set and first information, wherein the first information indicates that all reference signals in the first reference signal set are used for sensing the same target, and/or indicates that the reference signals in the first reference signal set are used for sensing a plurality of points of the same target, and large-scale channel information of the plurality of points of the target has an association relation.

Inventors

• HAN LINCONG
• GUI XIN
• JIN JING

Assignees

• 中国移动通信有限公司研究院
• 中国移动通信集团有限公司

Dates

Publication Date

20260508

Application Date

20241101

Claims (20)

1. 1. A method of sensing, applied to a first communication device, the method comprising: And transmitting a first reference signal set and first information, wherein the first information indicates that all reference signals in the first reference signal set are used for sensing the same target, and/or indicates that the reference signals in the first reference signal set are used for sensing a plurality of points of the same target, and the large-scale channel information of the plurality of points of the target has an association relation.
2. 2. The method of claim 1, wherein the first information comprises one or more of: A set quasi co-located QCL type, the set QCL type being used to indicate that all reference signals in the first set of reference signals are suitable for sensing a same target; A co-target CT type, the CT type being used to indicate information of the target; a first transmission configuration indication state TCI state list, where the first TCI state list indicates at least an offset of large-scale channel information of each first reference signal relative to a second reference signal, the second reference signal characterizes a reference signal corresponding to a reference point of the target in a first reference signal set, the first reference signal characterizes a reference signal corresponding to a non-reference point of the target in the first reference signal set, and the reference signal corresponding to the non-reference point is associated to the reference signal corresponding to the reference point; A second TCI state list indicating at least whether there is a reference signal at a jth point of the target in an ith sub-area of a sensing area or whether TCI states of the reference signal at the jth point of the target in the ith sub-area of the sensing area are activated, i and j being positive integers, and i being less than or equal to a total number of sub-areas of the sensing area, j being less than or equal to a number or total number of points of the target.
3. 3. The method of claim 2, wherein the first TCI state list comprises one or more of: Second information characterizing a type of large-scale channel information; Third information characterizing an offset of the large-scale channel information of each first reference signal relative to the second reference signal; A first number characterizing a number of points or a number of reference signals of the target; a second number that characterizes a number of perception types or a number of types of large-scale channel information; a third number characterizing a number of candidate TCI states for a reference point of the target; candidate TCI state identifications for reference points in the plurality of points of the target.
4. 4. The method of claim 2, wherein the second TCI state list includes one or more of: Fourth information indicating whether a reference signal is present at a j-th point of the target in an i-th sub-area of the sensing area or whether a TCI state of the reference signal is active at the j-th point of the target in the i-th sub-area of the sensing area; A first number characterizing a number of points or a number of reference signals of the target; TCI state identification of some or all points of some or all sub-regions of the sensing region.
5. 5. The method of claim 2, wherein the offset of the large-scale channel information between the reference signals is determined based on the direction and speed of movement of the target relative to the transceiving node of the reference signals.
6. 6. The method according to any of claims 1 to 5, wherein after the transmitting the first set of reference signals and the first information, the method further comprises: And transmitting a second reference signal set and fifth information, wherein the second reference signal set represents the updated first reference signal set, the fifth information indicates that the reference signals in the second reference signal set are used for sensing the same target, and/or indicates that the reference signals in the second reference signal set are used for sensing a plurality of points of the same target, and the large-scale channel information of the plurality of points of the target has an association relationship.
7. 7. The method of claim 6, wherein the method further comprises: determining the fifth information based on one or more of: Position information of the target; a perception region where the target is located; A perception result of the target; A preamble reference signal of a reference signal QCL for sensing at least one point on the target; Relationship of large-scale channel information between points of the target.
8. 8. The method of claim 6, wherein the fifth information is updated from one or more of the first information: the set QCL type; A CT type; A first TCI state list; a second TCI state list.
9. 9. The method of claim 6, further comprising one or more of: Updating the TCI state identification of the second reference signal under the condition that the preamble reference signal of the second reference signal is separated from the reference signal range pointed by the TCI state identification of the second reference signal; updating the offset of the large-scale channel information of each first reference signal relative to the second reference signal under the condition that the sensing result of the target represents the change of the number of points of the target or the number of reference signals; and updating the second TCI state list under the condition that the sensing area where the target is located is changed.
10. 10. The method of any one of claims 2 to 5, 7 to 9, wherein the first information further comprises: a third TCI state list for indicating TCI state identification of the preamble reference signal with the reference signal QCL, or And the first QCL is used for indicating the association relation between the reference signal and the preamble reference signal.
11. 11. A method of sensing, applied to a second communication device, the method comprising: Receiving first information and echo signals of a first reference signal set, wherein the first information indicates that all reference signals in the first reference signal set are used for sensing the same target, and/or indicates that the reference signals in the first reference signal set are used for sensing a plurality of points of the same target, and large-scale channel information of the plurality of points of the target has an association relation; And sending a first sensing result of the target to first communication equipment, wherein the first sensing result is obtained by fusing sensing results of each reference signal in the first reference signal set.
12. 12. The method of claim 11, wherein the first information comprises one or more of: a set QCL type, the set QCL type being used to indicate that all reference signals in the first set of reference signals are suitable for sensing a same target; A CT type for information indicative of the target; A first TCI state list, where the first TCI state list indicates at least an offset of large-scale channel information of each first reference signal relative to a second reference signal, the second reference signal characterizes a reference signal corresponding to a reference point of the target in a first reference signal set, the first reference signal characterizes a reference signal corresponding to a non-reference point of the target in the first reference signal set, and the reference signal corresponding to the non-reference point is associated to the reference signal corresponding to the reference point; A second TCI state list indicating at least whether there is a reference signal at a jth point of the target in an ith sub-area of a sensing area or whether TCI states of the reference signal at the jth point of the target in the ith sub-area of the sensing area are activated, i and j being positive integers, and i being less than or equal to a total number of sub-areas of the sensing area, j being less than or equal to a number or total number of points of the target.
13. 13. The method of claim 12, wherein the first TCI state list comprises one or more of: Second information characterizing a type of large-scale channel information; Third information characterizing an offset of the large-scale channel information of each first reference signal relative to the second reference signal; A first number characterizing a number of points or a number of reference signals of the target; a second number that characterizes a number of perception types or a number of types of large-scale channel information; a third number characterizing a number of candidate TCI states for a reference point of the target; candidate TCI state identifications for reference points in the plurality of points of the target.
14. 14. The method of claim 12, wherein the second TCI state list includes one or more of: Fourth information indicating whether a reference signal is present at a j-th point of the target in an i-th sub-area of the sensing area or whether a TCI state of the reference signal is active at the j-th point of the target in the i-th sub-area of the sensing area; A first number characterizing a number of points or a number of reference signals of the target; TCI state identification of some or all points of some or all sub-regions of the sensing region.
15. 15. The method of claim 12, wherein the offset of the large-scale channel information between the reference signals is determined based on the direction and speed of movement of the target relative to the transceiving node of the reference signals.
16. 16. The method according to any of claims 11 to 15, wherein after the receiving the first set of reference signals and the first information, the method further comprises: Receiving fifth information and echo signals of a second reference signal set, wherein the second reference signal set represents the updated first reference signal set, the fifth information indicates that reference signals in the second reference signal set are used for sensing the same target, and/or indicates that the reference signals in the second reference signal set are used for sensing a plurality of points of the same target, and large-scale channel information of the plurality of points of the target has an association relation; And sending a second sensing result of the target to the first communication equipment, wherein the second sensing result is obtained by fusing sensing results of each reference signal in the second reference signal set.
17. 17. The method of claim 15, wherein the fifth information is updated from one or more of the first information: the set QCL type; A CT type, the CT type indicating information of the target; A first TCI state list; a second TCI state list.
18. 18. A sensing device, comprising: The system comprises a first sending unit, a second sending unit and a first receiving unit, wherein the first sending unit is used for sending a first reference signal set and first information, the first information indicates that all reference signals in the first reference signal set are used for sensing the same target, and/or indicates that the reference signals in the first reference signal set are used for sensing a plurality of points of the same target, and large-scale channel information of the plurality of points of the target has an association relation.
19. 19. A sensing device, comprising: The system comprises a first receiving unit, a first receiving unit and a second receiving unit, wherein the first receiving unit is used for receiving first information and echo signals of a first reference signal set, the first information indicates that all reference signals in the first reference signal set are used for sensing the same target, and/or indicates that the reference signals in the first reference signal set are used for sensing a plurality of points of the same target, and large-scale channel information of the plurality of points of the target has an association relation; the second sending unit is used for sending a first sensing result of the target to the first communication equipment, wherein the first sensing result is obtained by fusing sensing results of each reference signal in the first reference signal set.
20. 20. A first communication device is characterized by comprising a first processor and a first communication interface, wherein, The first communication interface is configured to send a first reference signal set and first information, where the first information indicates that all reference signals in the first reference signal set are used to sense a same target, and/or indicates that reference signals in the first reference signal set are used to sense multiple points of a same target, and that large-scale channel information of the multiple points of the target has an association relationship.

Description

Sensing method, sensing device, communication device, storage medium and computer program product Technical Field The present application relates to the field of communications technologies, and in particular, to a sensing method, an apparatus, a communication device, a storage medium, and a computer program product. Background In the related art, in the cooperative sensing mode, a first node transmits a sensing signal, and a second node receives a reflected signal or an echo signal of the sensing signal to achieve a sensing target. However, the existing sensing method is adopted to sense the multi-point targets modeled by the point set, the obtained sensing result is inaccurate, and a plurality of sensing targets are mistakenly considered to exist. Disclosure of Invention To solve the related technical problems, embodiments of the present application provide a sensing method, apparatus, communication device, storage medium and computer program product. The technical scheme of the embodiment of the application is realized as follows: The embodiment of the application provides a sensing method which is applied to first communication equipment, and comprises the following steps: And transmitting a first reference signal set and first information, wherein the first information indicates that all reference signals in the first reference signal set are used for sensing the same target, and/or indicates that the reference signals in the first reference signal set are used for sensing a plurality of points of the same target, and the large-scale channel information of the plurality of points of the target has an association relation. In the above scheme, the first information includes one or more of the following: A set Quasi Co-Location (QCL) type, the set QCL type being used to indicate that all reference signals in the first set of reference signals are suitable for sensing a same target; A co-target (CT) type for information indicative of the target; A first transmission configuration indication state (TCI state, transmission Configuration Indicator state) list, the first TCI state list indicating at least an offset of large-scale channel information of each first reference signal relative to a second reference signal, the second reference signal representing a reference signal corresponding to a reference point of the target in a first reference signal set, the first reference signal representing a reference signal corresponding to a non-reference point of the target in the first reference signal set, the reference signal corresponding to the non-reference point being associated to a reference signal corresponding to the reference point; A second TCI state list indicating at least whether there is a reference signal at a jth point of the target in an ith sub-area of a sensing area or whether TCI states of the reference signal at the jth point of the target in the ith sub-area of the sensing area are activated, i and j being positive integers, and i being less than or equal to a total number of sub-areas of the sensing area, j being less than or equal to a number or total number of points of the target. In the above solution, the first TCI state list includes one or more of the following: Second information characterizing a type of large-scale channel information; Third information characterizing an offset of the large-scale channel information of each first reference signal relative to the second reference signal; A first number characterizing a number of points or a number of reference signals of the target; a second number that characterizes a number of perception types or a number of types of large-scale channel information; a third number characterizing a number of candidate TCI states for a reference point of the target; candidate TCI state identifications for reference points in the plurality of points of the target. In the above solution, the second TCI state list includes one or more of the following: Fourth information indicating whether a reference signal is present at a j-th point of the target in an i-th sub-area of the sensing area or whether a TCI state of the reference signal is active at the j-th point of the target in the i-th sub-area of the sensing area; A first number characterizing a number of points or a number of reference signals of the target; TCI state identification of some or all points of some or all sub-regions of the sensing region. In the above scheme, the offset of the large-scale channel information between the reference signals is determined according to the movement direction and speed of the target relative to the receiving and transmitting node of the reference signals. In the above solution, after the sending the first reference signal set and the first information, the method further includes: And transmitting a second reference signal set and fifth information, wherein the second reference signal set represents the updated first reference signal set, the fifth informat