CN-115175228-B - Information reporting method, network side configuration method, device, equipment and storage medium

Abstract

The invention provides an information reporting method, a network side configuration method, a device, equipment and a storage medium, wherein the method comprises the steps that a terminal estimates downlink channel information; the terminal determines the frequency domain base vector information according to the downlink channel information, and the terminal sends the frequency domain base vector information to the network equipment. The method can solve the problem of high feedback overhead of the terminal in the existing mode of determining the number of the frequency domain base vectors.

Inventors

• LIU ZHENGXUAN
• GAO QIUBIN

Assignees

• 大唐移动通信设备有限公司
• 大唐移动通信设备有限公司

Dates

Publication Date

20260421

Application Date

20210402

Priority Date

20210402

Claims (18)

1. 1. The information reporting method is characterized by comprising the following steps: the terminal estimates the downlink channel information; The terminal receives a frequency domain base vector set configured by network equipment; the terminal determines frequency domain base vector information according to the downlink channel information and the frequency domain base vector set; The terminal sends the frequency domain base vector information to network equipment; The method comprises the steps that frequency domain base vector information comprises at least one of the number of frequency domain base vectors, indication information corresponding to the frequency domain base vectors or target indication content, the indication information corresponding to the frequency domain base vectors is used for indicating the frequency domain base vectors selected by the terminal from the frequency domain base vector set configured by the network equipment, or the indication information corresponding to the frequency domain base vectors is used for indicating the frequency domain base vectors selected from the frequency domain base vector set preset by the terminal, and the target indication content comprises the frequency domain base vector set or the preset frequency domain base vectors.
2. 2. The method of claim 1, wherein the determining, by the terminal, frequency domain basis vector information from the downlink channel information and the set of frequency domain basis vectors comprises: The terminal calculates a compression coefficient corresponding to each frequency domain base vector in the frequency domain base vector set according to the downlink channel information; the terminal determines frequency domain basis vector information based on the compression coefficients.
3. 3. The method of claim 1, wherein after the terminal receives the set of frequency domain basis vectors configured by the network device, the method further comprises: The terminal receives a trigger state sent by the network device, wherein the trigger state is used for indicating a reporting mode of the terminal and is also used for indicating codebook parameters configured by the network device to the terminal, and the codebook parameters comprise one or more of the frequency domain base vector set, the size of the frequency domain base vector set or the starting point information of the frequency domain base vector set; and the terminal determines the codebook parameters according to the trigger state.
4. 4. The method of claim 1, wherein before the terminal transmits the frequency domain basis vector information to a network device, the method further comprises: Determining target bit information based on the frequency domain base vector information, wherein the target bit information is used for indicating the number of the frequency domain base vectors and/or indication information corresponding to the frequency domain base vectors, and the indication information corresponding to the frequency domain base vectors is used for indicating the frequency domain base vectors selected by the terminal from the frequency domain base vector set configured by the network equipment or the frequency domain base vectors selected from the frequency domain base vector set preset in the terminal; The terminal sends the frequency domain base vector information to a network device, including: the terminal transmits the frequency domain base vector information indicated by the target bit information to a network device.
5. 5. The method of claim 1, wherein the reporting structure of the terminal comprises a two-part reporting structure or a three-part reporting structure; when the frequency domain base vector information includes the target indication content, the terminal sends the frequency domain base vector information to a network device under the condition that the reporting structure of the terminal includes a two-part reporting structure, including: The terminal sends the target indication content to the network equipment through a first target part reporting structure, wherein the first target part reporting structure is a first part reporting structure in the two part reporting structures; In the case that the reporting structure of the terminal includes a three-part reporting structure, the terminal sends the target indication content to a network device, including: The terminal sends the target indication content to the network equipment through a second target part reporting structure, wherein the second target part reporting structure is a first part reporting structure in the three-part reporting structure.
6. 6. The method of claim 1, wherein the frequency domain base vector information for each transport layer is the same or different; in the case that the frequency domain base vector information of each transport layer is different, the terminal sends the frequency domain base vector information to a network device, including: and the terminal sends Z frequency domain base vector information to a network side, wherein Z is a positive integer and is used for representing the number of layers of a transmission layer.
7. 7. A network side configuration method, comprising: the network equipment sends a configured frequency domain base vector set to the terminal; the network equipment receives frequency domain base vector information sent by the terminal, wherein the frequency domain base vector information is determined by the terminal according to estimated downlink channel information and the frequency domain base vector set; The method comprises the steps that frequency domain base vector information comprises at least one of the number of frequency domain base vectors, indication information corresponding to the frequency domain base vectors or target indication content, the indication information corresponding to the frequency domain base vectors is used for indicating the frequency domain base vectors selected by the terminal from the frequency domain base vector set configured by the network equipment, or the indication information corresponding to the frequency domain base vectors is used for indicating the frequency domain base vectors selected from the frequency domain base vector set preset by the terminal, and the target indication content comprises the frequency domain base vector set or the preset frequency domain base vectors.
8. 8. The method of claim 7, wherein the network device receiving the frequency domain base vector information transmitted by the terminal comprises: the network device receives frequency domain base vector information indicated by target bit information sent by a terminal, wherein the target bit information is used for indicating the number of the frequency domain base vectors and/or indication information corresponding to the frequency domain base vectors, and the indication information corresponding to the frequency domain base vectors is used for indicating the frequency domain base vectors selected by the terminal from the frequency domain base vector set configured by the network device or the frequency domain base vectors selected from a frequency domain base vector set preset in the terminal.
9. 9. The method of claim 7, wherein after the network device transmits the configured set of frequency domain basis vectors to the terminal, the method further comprises: The network device sends a trigger state to the terminal, where the trigger state is used to indicate a reporting mode of the terminal and is also used to indicate codebook parameters configured by the network device to the terminal, where the codebook parameters include one or more of the frequency domain base vector set, a size of the frequency domain base vector set, and starting point information of the frequency domain base vector set.
10. 10. The method of claim 7, wherein the frequency domain base vector information for each transport layer is the same or different; And under the condition that the frequency domain base vector information of each transmission layer is different, the network equipment receives the frequency domain base vector information sent by the terminal, and the method comprises the following steps: And the network equipment receives Z frequency domain base vector information, wherein Z is a positive integer and is used for representing the number of layers of a transmission layer.
11. 11. A terminal comprising a memory, a transceiver, and a processor, wherein: the system comprises a memory for storing a computer program, a transceiver for receiving and transmitting data under the control of the processor, and a processor for reading the computer program in the memory and performing the following operations: Estimating downlink channel information; receiving a frequency domain base vector set configured by network equipment; Determining frequency domain base vector information according to the downlink channel information and the frequency domain base vector set; transmitting the frequency domain base vector information to a network device; The method comprises the steps that frequency domain base vector information comprises at least one of the number of frequency domain base vectors, indication information corresponding to the frequency domain base vectors or target indication content, the indication information corresponding to the frequency domain base vectors is used for indicating the frequency domain base vectors selected by the terminal from the frequency domain base vector set configured by the network equipment, or the indication information corresponding to the frequency domain base vectors is used for indicating the frequency domain base vectors selected from the frequency domain base vector set preset by the terminal, and the target indication content comprises the frequency domain base vector set or the preset frequency domain base vectors.
12. 12. The terminal of claim 11, wherein the determining frequency domain basis vector information from the downlink channel information and the set of frequency domain basis vectors comprises: according to the downlink channel information, calculating a compression coefficient corresponding to each frequency domain base vector in the frequency domain base vector set; Frequency domain basis vector information is determined based on the compression coefficients.
13. 13. The terminal of claim 11, wherein after receiving the set of frequency domain basis vectors configured by the network device, further comprising: receiving a trigger state sent by the network device, wherein the trigger state is used for indicating a reporting mode of the terminal and also used for indicating codebook parameters configured by the network device to the terminal, and the codebook parameters comprise one or more of a frequency domain base vector set, the size of the frequency domain base vector set or starting point information of the frequency domain base vector set; and determining the codebook parameters according to the trigger state.
14. 14. A network device comprising a memory, a transceiver, and a processor, wherein: the system comprises a memory for storing a computer program, a transceiver for receiving and transmitting data under the control of the processor, and a processor for reading the computer program in the memory and performing the following operations: Transmitting the configured frequency domain base vector set to a terminal; Receiving frequency domain base vector information sent by the terminal, wherein the frequency domain base vector information is determined by the terminal according to estimated downlink channel information and the frequency domain base vector set; The method comprises the steps that frequency domain base vector information comprises at least one of the number of frequency domain base vectors, indication information corresponding to the frequency domain base vectors or target indication content, the indication information corresponding to the frequency domain base vectors is used for indicating the frequency domain base vectors selected by the terminal from the frequency domain base vector set configured by the network equipment, or the indication information corresponding to the frequency domain base vectors is used for indicating the frequency domain base vectors selected from the frequency domain base vector set preset by the terminal, and the target indication content comprises the frequency domain base vector set or the preset frequency domain base vectors.
15. 15. The network device of claim 14, wherein after the sending the configured set of frequency domain basis vectors to the terminal, further comprising: And sending a trigger state to the terminal, wherein the trigger state is used for indicating a reporting mode of the terminal and also used for indicating codebook parameters configured by the network equipment to the terminal, and the codebook parameters comprise one or more of the frequency domain base vector set, the size of the frequency domain base vector set or the starting point information of the frequency domain base vector set.
16. 16. A terminal, comprising: an estimating unit for estimating downlink channel information; the first determining unit is used for determining frequency domain base vector information according to the downlink channel information and the frequency domain base vector set; a transmitting unit, configured to transmit the frequency domain base vector information to a network device; The method comprises the steps that frequency domain base vector information comprises at least one of the number of frequency domain base vectors, indication information corresponding to the frequency domain base vectors or target indication content, the indication information corresponding to the frequency domain base vectors is used for indicating the frequency domain base vectors selected by the terminal from the frequency domain base vector set configured by the network equipment, or the indication information corresponding to the frequency domain base vectors is used for indicating the frequency domain base vectors selected from the frequency domain base vector set preset by the terminal, and the target indication content comprises the frequency domain base vector set or the preset frequency domain base vectors.
17. 17. A network device, comprising: the configuration unit is used for sending the configured frequency domain base vector set to the terminal; The receiving unit is used for receiving frequency domain base vector information sent by the terminal, wherein the frequency domain base vector information is determined by the terminal according to the estimated downlink channel information and the frequency domain base vector set; The method comprises the steps that frequency domain base vector information comprises at least one of the number of frequency domain base vectors, indication information corresponding to the frequency domain base vectors or target indication content, the indication information corresponding to the frequency domain base vectors is used for indicating the frequency domain base vectors selected by the terminal from the frequency domain base vector set configured by the network equipment, or the indication information corresponding to the frequency domain base vectors is used for indicating the frequency domain base vectors selected from the frequency domain base vector set preset by the terminal, and the target indication content comprises the frequency domain base vector set or the preset frequency domain base vectors.
18. 18. A processor-readable storage medium, characterized in that the processor-readable storage medium stores a computer program for causing the processor to execute the information reporting method of any one of claims 1 to 6 or for causing the processor to execute the network-side configuration method of any one of claims 7 to 10.

Description

Information reporting method, network side configuration method, device, equipment and storage medium Technical Field The present invention relates to the field of communications technologies, and in particular, to an information reporting method, a network side configuration method, an apparatus, a device, and a storage medium. Background In the reporting of the channel state information, the dimension M v of the codebook parameter represents the number of frequency domain base vectors, in the prior art, the number of the frequency domain base vectors is determined by the network side configuration, and since the number of the frequency domain base vectors determined by the network side configuration is not the most appropriate number, if the number of redundant frequency domain base vectors is reported, the waste of terminal overhead is easily caused, and therefore, the problem of large terminal feedback overhead exists in the conventional determining mode of the number of the frequency domain base vectors. Disclosure of Invention The embodiment of the invention provides an information reporting method, a network side configuration method, a device, equipment and a storage medium, which are used for solving the problem of high feedback overhead of a terminal in the existing method for determining the number of frequency domain base vectors. In order to solve the technical problems, the invention is realized as follows: The embodiment of the invention provides an information reporting method, which comprises the following steps: the terminal estimates the downlink channel information; the terminal determines frequency domain base vector information according to the downlink channel information; And the terminal sends the frequency domain base vector information to network equipment. Optionally, the determining, by the terminal, frequency domain base vector information according to the downlink channel information includes: The terminal calculates a compression coefficient corresponding to each frequency domain base vector in a preset frequency domain base vector according to the downlink channel information; And the terminal determines frequency domain base vector information according to the compression coefficient. Optionally, before the terminal determines the frequency domain base vector information according to the downlink channel information, the method further includes: the terminal receives a frequency domain base vector set configured by the network equipment; The terminal determines frequency domain base vector information according to the downlink channel information, and comprises the following steps: and the terminal determines frequency domain base vector information according to the downlink channel information and the frequency domain base vector set. Optionally, the determining, by the terminal, frequency domain base vector information according to the downlink channel information and the frequency domain base vector set includes: The terminal calculates a compression coefficient corresponding to each frequency domain base vector in the frequency domain base vector set according to the downlink channel information; the terminal determines frequency domain basis vector information based on the compression coefficients. Optionally, the frequency domain base vector information includes at least one of the number of frequency domain base vectors, indication information corresponding to the frequency domain base vectors, or target indication content, where the indication information corresponding to the frequency domain base vectors is used to indicate the frequency domain base vector selected by the terminal from the frequency domain base vector set configured by the network device, or the frequency domain base vector selected from a frequency domain base vector set preset in the terminal, and the target indication content includes the frequency domain base vector set or the preset frequency domain base vector. Optionally, after the terminal receives the set of frequency domain basis vectors configured by the network device, the method further includes; The terminal receives a trigger state sent by the network device, wherein the trigger state is used for indicating a reporting mode of the terminal and is also used for indicating codebook parameters configured by the network device to the terminal, and the codebook parameters comprise one or more of the frequency domain base vector set, the size of the frequency domain base vector set or the starting point information of the frequency domain base vector set; and the terminal determines the codebook parameters according to the trigger state. Optionally, before the terminal sends the frequency domain base vector information to the network device, the method further includes: determining target bit information based on the frequency domain base vector information, wherein the target bit information is used for indicating the number of the freque