WO2023165293A1

WO2023165293A1 - Channel state information updating method, base station, device, and storage medium

Info

Publication number: WO2023165293A1
Application number: PCT/CN2023/074206
Authority: WO
Inventors: 魏浩
Original assignee: 中兴通讯股份有限公司
Priority date: 2022-03-02
Filing date: 2023-02-02
Publication date: 2023-09-07
Also published as: CN116744324A

Abstract

The present disclosure relates to the field of communications, and provides a channel state information updating method, a base station, a device, and a storage medium. The method comprises: acquiring configured channel state information, and transmitting a data signal to a terminal device according to the channel state information; acquiring decoding result indication information of the data signal sent by the terminal device and first channel state information fed back by the terminal device; and updating the configured channel state information according to the decoding result indication information and the first channel state information.

Description

Method for updating channel state information, base station, equipment and storage medium

Cross References to Related Applications

This disclosure claims the priority of the Chinese patent application CN202210204608.0 entitled "Channel State Information Update Method, Base Station, Equipment and Storage Medium" filed on March 2, 2022, the entire contents of which are incorporated into this disclosure by reference.

technical field

The present disclosure relates to the technical field of communications, and in particular to a method for updating channel state information, a base station, equipment, and a storage medium.

Background technique

In wireless communication, channel test and data transmission are separated in time. First, the base station sends a channel test signal to the terminal device, and receives the feedback information of the channel test signal from the terminal device to perform channel parameter configuration and data transmission. However, When the channel state changes rapidly, the channel state information during channel measurement and the channel state information during data transmission change greatly, and the parameters of data transmission do not match the actual channel state, resulting in the degradation of channel transmission performance. Therefore, how to adjust the channel state information of the channel in time during the data transmission process to improve the performance of the channel transmission is an urgent problem to be solved at present.

Contents of the invention

The present disclosure provides a method for updating channel state information, a base station, equipment, and a storage medium, aiming at timely adjusting channel state information of a channel during data transmission.

In a first aspect, the present disclosure provides a method for updating channel state information, which is applied to a base station. The method includes: obtaining configured channel state information, and transmitting data signals to terminal devices according to the channel state information; obtaining translation of data signals sent by terminal devices The coding result indication information and the first channel state information fed back by the terminal equipment; according to the decoding result indication information and the first channel state information, the configured channel state information is updated.

In the second aspect, the present disclosure also provides a method for updating channel state information, which is applied to a terminal device. The method includes: acquiring a data signal and a demodulation reference signal transmitted by a base station based on configured channel state information; decoding the data signal to obtain Decoding the result indicating information, and analyzing the demodulation reference signal to obtain the first channel state information; sending the decoding result indicating information and the first channel state information to the base station, so that the base station indicates the information according to the decoding result and the first channel state information Channel Status Letter Update the configured channel state information.

In a third aspect, the present disclosure also provides a base station, the base station includes a processor, a memory, a computer program stored in the memory and executable by the processor, and a data bus for realizing connection and communication between the processor and the memory, wherein When the computer program is executed by the processor, the steps of any channel state information updating method provided in the present disclosure are implemented.

In a fourth aspect, the present disclosure also provides a terminal device, the terminal device includes a processor, a memory, a computer program stored on the memory and executable by the processor, and a data bus for realizing connection and communication between the processor and the memory , wherein when the computer program is executed by a processor, the steps of any one of the channel state information updating methods provided in the present disclosure are realized.

In a fifth aspect, the present disclosure also provides a storage medium for computer-readable storage, the storage medium stores one or more programs, and one or more programs can be executed by one or more processors to implement the present disclosure. The steps of any method for updating channel state information provided in the manual.

Description of drawings

FIG. 1 is a schematic flowchart of a method for updating channel state information provided by the present disclosure;

FIG. 2 is a schematic flowchart of another method for updating channel state information provided by the present disclosure;

FIG. 3 is a schematic flowchart of another method for updating channel state information provided by the present disclosure;

FIG. 4 is a schematic structural block diagram of a base station provided by the present disclosure;

Fig. 5 is a schematic structural block diagram of a terminal device provided by the present disclosure.

Detailed ways

The technical solutions in the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings in the present disclosure. Apparently, the described embodiments are part of the embodiments of the present disclosure, not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present disclosure.

The flow charts shown in the drawings are just illustrations, and do not necessarily include all contents and operations/steps, nor must they be performed in the order described. For example, some operations/steps can be decomposed, combined or partly combined, so the actual order of execution may be changed according to the actual situation.

It should be understood that the terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the present disclosure. As used in this disclosure and the appended claims, the singular forms "a", "an" and "the" are intended to include plural referents unless the context clearly dictates otherwise.

The present disclosure provides a method for updating channel state information, a base station, equipment and a storage medium. Wherein, the method for updating channel state information can be applied to a base station, and the base station can be a macro base station, a micro base station, and the like. The method for updating channel state information can also be applied to a terminal device, and the terminal device can be a mobile phone, a tablet computer, a notebook computer, a desktop computer, a personal digital assistant, and the like.

Some embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

Please refer to FIG. 1 , which is a schematic flowchart of a method for updating channel state information provided in the present disclosure.

As shown in Fig. 1, the method for updating channel state information includes steps S101 to S103.

Step S101. Obtain configured channel state information, and transmit a data signal to a terminal device according to the channel state information.

Wherein, the channel state information includes at least one of a modulation and coding scheme level, a signal-to-interference-plus-noise ratio, and a rank of a channel matrix.

In one embodiment, the base station sends a channel test signal to the terminal device, and the terminal device tests the channel state of the channel according to the received channel test signal to obtain channel state information of the channel, and the terminal device sends the channel state information to the base station to The base station is made to acquire the channel state information of the current channel, and configures the channel state information. By sending the channel test signal to the terminal equipment, the base station can perform the channel state test according to the channel test signal, so that the current channel state information can be obtained accurately.

In an embodiment, the data signal and the demodulation reference signal are transmitted to the terminal device according to the channel state information. The transmission of data signals according to channel state information can improve the efficiency and accuracy of data signal transmission, and transmit the demodulation reference signal to terminal equipment, so that terminal equipment can feed back channel state information in real time, so that the base station can monitor channel parameters in real time Update the configuration to improve the performance of channel transmission.

Step S102. Obtain the decoding result indication information of the data signal sent by the terminal device and the first channel state information fed back by the terminal device.

After receiving the data signal, the terminal device decodes the data signal to obtain the decoding result indication information of the data signal, analyzes the demodulation reference signal to obtain the first channel state information, and combines the decoding result indication information with the first channel The state information is sent to the base station, so that the base station obtains the decoding indication result information of the data signal and the first channel state information.

In an embodiment, the terminal device decodes the data signal to obtain the decoding result indication information of the data signal. The formula may be: the decoding result indication information includes the first identifier or the second identifier, wherein the decoding result indication information includes the first identifier indicating a decoding error, and the decoding result indication information includes the second identifier indicating that the decoding result correct. The terminal device decodes the data signal, obtains the decoding result of the data signal, determines whether the decoding result of the data signal is correct, and if it determines that the decoding result of the data signal is correct, then adds the first Two identifiers; if it is determined that the decoding result of the data signal is wrong, adding the first identifier to the decoding result indication information. Wherein, the first identifier and the second identifier may be set according to actual conditions, which is not specifically limited in this embodiment, for example, the first identifier is a negative response, and the second identifier is a confirmation response. By decoding the data signal, the decoding result indication information can be accurately determined according to the decoding result.

In an embodiment, the manner in which the terminal device analyzes the demodulation reference signal to obtain the first channel state information may be as follows: acquiring a preset signal analysis algorithm, and based on the preset signal analysis algorithm, performing Analyze to obtain the first channel state information. Wherein, the preset signal analysis algorithm may be selected according to the actual situation, which is not specifically limited in the present disclosure. For example, the preset signal analysis algorithm may be the LS-UE algorithm and the LMMSE-UE algorithm. The first channel state information can be accurately obtained by analyzing the demodulation reference signal.

In one embodiment, by obtaining the decoding result indication information of the data information sent by the terminal device, the accuracy of data transmission can be accurately obtained, and by obtaining the first channel state information fed back by the terminal device, the current channel state information can be known in real time, The accuracy of channel parameter update can be improved.

Step S103: Update the configured channel state information according to the decoding result indication information and the first channel state information.

In an embodiment, the channel parameter difference between the first channel state information and the configured channel state information is determined, and according to the decoding result indication information, determine the total number of errors in the decoding operation performed by the terminal device within a preset period ; When the total number of times is less than the preset threshold and the channel parameter difference is less than the preset channel parameter difference, updating the configured channel state information to the first channel state information. Wherein, the preset threshold and the preset channel parameter difference can be set according to the actual situation, which is not specifically limited in this embodiment. For example, the preset threshold can be set to 1, and the preset channel parameter difference can be set to is 0.5. According to the total number of errors in the decoding operation within the preset period and the channel parameter difference between the first channel state information and the configured channel state information, it can be accurately determined whether the current channel state has changed greatly. When determining the current channel If the state changes are small, the configured channel state information is updated to the first channel state information, which greatly improves the update efficiency of the channel state information and improves the performance of channel transmission.

In an embodiment, the method of determining the channel parameter difference between the first channel state information and the configured channel state information may be: obtain each preset weight parameter corresponding to each parameter included in the channel state information, and set the channel Each parameter in the state information is multiplied by the corresponding preset weight parameter and then added to obtain the first parameter; Each preset weight parameter corresponding to each parameter included in the first channel state information is multiplied by each parameter in the first channel state information and the corresponding preset weight parameter and then added to obtain the second parameter; A difference operation is performed on the first parameter and the second parameter to obtain a channel parameter difference between the first channel state information and the configured channel state information. Wherein, the preset weight parameters can be set according to actual conditions, which are not specifically limited in this embodiment.

In an exemplary embodiment, the channel state information includes a signal interference plus noise ratio of 10dB and a modulation and coding method of 9 levels, a preset weight parameter corresponding to the signal interference plus noise ratio is 0.5, and a preset weight parameter corresponding to the modulation and coding method is 0.5; the signal interference plus noise ratio is 10dB and the preset weight parameter corresponding to the signal interference plus noise ratio is 0.5, and the preset weight parameter corresponding to the modulation and coding method is 9 levels and the modulation and coding method is 0.5 is multiplied The value of the operation is added, and the first parameter is obtained as 9.5. The first channel state information includes a signal interference plus noise ratio of 9dB and a modulation and coding method of 8 levels. The preset weight parameter corresponding to the signal interference plus noise ratio is 0.5, and the preset weight parameter corresponding to the modulation and coding method is 0.5. The noise addition ratio is 9dB, and the preset weight parameter corresponding to the signal interference plus noise ratio is 0.5, and the multiplication operation is carried out. The preset weight parameter corresponding to the modulation and coding method is 8 levels and the modulation and coding method is 0.5, and the value of the multiplication operation is added. , and the second parameter is 8.5. A difference operation is performed on the first parameter being 9.5 and the second parameter being 8.5 to obtain a channel parameter difference of 1 between the first channel state information and the configured channel state information.

In an embodiment, the method of determining the total number of errors in the decoding operation performed by the terminal device within the preset period may be: acquiring the decoding result indication information within the preset period; The decoding result indicates the number of information, and the total number of errors in the decoding operation performed by the terminal device within the preset period is obtained. Wherein, the preset period may be set according to actual conditions, which is not specifically limited in this embodiment, for example, the preset period may be set to 2 seconds. By counting the number of decoding result indication information including the first identifier within the preset period, it is possible to accurately obtain the total number of errors in the decoding operation performed by the terminal device within the preset period.

In an exemplary embodiment, the decoding result indication information with a preset period of 2 seconds includes decoding result indication information 1, decoding result indication information 2, decoding result indication information 3, decoding result indication information 4 and decoding result indication information. The decoding result indication information 5, wherein the decoding result indication information 4 includes the first identifier, and the preset period is 2 seconds, and the total number of decoding operation errors is 1 time.

In an embodiment, when the total number of times is greater than or equal to the preset threshold and/or the channel parameter difference is greater than or equal to the preset channel parameter difference, stop transmitting the data signal to the terminal device; send a channel test signal to the terminal device, and The second channel state information sent by the terminal device based on the channel test signal is acquired; and the configured channel state information is updated to the second channel state information. When the total number of times is greater than or equal to the preset threshold and/or the channel parameter difference is greater than or equal to the preset channel parameter difference, it is determined that the current channel state information has a large change from the channel state when the channel state was initially tested, and the terminal device is stopped from sending the channel test signal to avoid too many errors in the transmitted data signal, by sending a channel test signal to the terminal device and obtaining the terminal device The second channel state information sent based on the channel test signal is prepared; the configured channel state information is updated to the second channel state information, and the configured channel state can be updated in time to improve the efficiency and accuracy of channel transmission.

In an exemplary embodiment, the total number of errors in the decoding operation within the preset period is 2 times, and the preset threshold is set to 1 time, then it is determined that the channel state has changed greatly, and the transmission of data signals to the terminal device is stopped; Sending a channel test signal to the terminal device, and obtaining second channel state information sent by the terminal device based on the channel test signal; updating the configured channel state information to the second channel state information.

In an exemplary embodiment, the channel parameter difference between the first channel state information and the configured channel state information is 0.2, and the preset channel parameter difference is 0.1, then it is determined that the channel state has changed greatly, and the terminal device is stopped. The data signal is transmitted; the channel test signal is sent to the terminal device, and the second channel state information sent by the terminal device based on the channel test signal is obtained; the configured channel state information is updated to the second channel state information.

In the method for updating channel state information in the above embodiment, by obtaining the configured channel state information, and transmitting the data signal to the terminal device according to the channel state information; First channel state information; and then update the configured channel state information according to the decoding result indication information and the first channel state information. The configured channel state information can be updated in time through the decoding result indication and the first information state information fed back by the transmission data signal, which greatly improves the performance of channel transmission.

Please refer to FIG. 2 , which is a schematic flowchart of another method for updating channel state information provided in the present disclosure.

As shown in FIG. 2, the method for updating channel state information includes steps S201 to S203.

Step S201, acquiring a data signal and a demodulation reference signal transmitted by the base station based on the configured channel state information.

In one embodiment, the base station sends a channel test signal to the terminal device, and the terminal device tests the channel state of the channel according to the received channel test signal to obtain channel state information of the channel, and the terminal device sends the channel state information to the base station to Make the base station acquire the status information of the current channel. By sending the channel test signal to the terminal equipment, the base station can perform the channel state test according to the channel test signal, so that the current channel state information can be obtained accurately.

In an embodiment, when the current channel state information of the channel is obtained, the channel parameters are configured according to the current channel state information, and the configured channel state information is obtained. The channel parameter configuration is performed through the current information state information, which greatly improves the accuracy and real-time performance of the channel parameter configuration, and can improve the performance of channel transmission.

Step S202. Decode the data signal to obtain decoding result indication information, and analyze the demodulation reference signal to obtain first channel state information.

Step S203, sending the decoding result indication information and the first channel state information to the base station, so that the base station updates the configured channel state information according to the decoding result indication information and the first channel state information.

Send the decoding result indication information and the first channel state information to the base station, the base station determines the channel parameter difference between the first channel state information and the configured channel state information, and determines that the terminal device is in the preset channel according to the decoding result indication information The total number of errors in the decoding operation within the period; when the total number of times is less than the preset threshold and the channel parameter difference is smaller than the preset channel parameter difference, the configured channel state information is updated to the first channel state information.

In an exemplary embodiment, as shown in FIG. 3, S310, the base station sends a channel test signal to the terminal device, and the terminal device sends channel state information to the base station based on the channel test signal; S320, the base station sends channel state information according to the terminal device. channel state information, and transmit the data signal to the terminal device according to the channel state information; S330, the terminal device decodes the data signal, obtains the decoding result indication information, and analyzes the demodulation reference signal, to obtain the first channel state information , sending the decoding result indication information and the first channel state information to the base station; S340, the base station determines the channel parameter difference between the first channel state information and the configured channel state information, and determines the terminal device according to the decoding result indication information The total number of errors in the decoding operation within the preset period; S350, determine whether the total number of times is greater than or equal to the preset threshold and/or whether the channel parameter difference is greater than or equal to the preset channel parameter difference; S360, in the total number of times When it is less than the preset threshold and the channel parameter difference is less than the preset channel parameter difference, update the configured channel state information to the first channel state information; S370, when the total number of times is greater than or equal to the preset threshold and/or the channel parameter difference When it is greater than or equal to the preset channel parameter difference, stop transmitting the data signal to the terminal device, and execute S310.

The method for updating channel state information in the above embodiments obtains the data signal and the demodulation reference signal transmitted by the base station based on the configured channel state information; decodes the data signal to obtain decoding result indication information, and decodes the demodulation reference signal Perform analysis to obtain the first channel state information; send the decoding result indication information and the first channel state information to the base station, so that the base station updates the configured channel state information according to the decoding result indication information and the first channel state information . The configured channel state information can be updated in time through the decoding result indication and the first information state information fed back by the transmission data signal, which greatly improves the performance of channel transmission.

Please refer to FIG. 4 . FIG. 4 is a schematic structural block diagram of a base station provided by the present disclosure.

As shown in FIG. 4, the base station 400 includes a processor 401 and a memory 402, and the processor 401 and the memory 402 are Line 403 is connected, and the bus is, for example, an I2C (Inter-integrated Circuit) bus.

In an exemplary embodiment, the processor 401 is configured to provide computing and control capabilities to support the operation of the entire base station. The processor 401 can be a central processing unit (Central Processing Unit, CPU), and the processor 401 can also be other general processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC) ), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. Wherein, the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

In an exemplary embodiment, the memory 402 may be a Flash chip, a read-only memory (ROM, Read-Only Memory) disk, an optical disk, a U disk, or a mobile hard disk.

Those skilled in the art can understand that the structure shown in FIG. 4 is only a block diagram of a partial structure related to the disclosed solution, and does not constitute a limitation on the base station to which the disclosed solution is applied. The specific base station may include More or fewer components are shown in the figures, or certain components are combined, or have different component arrangements.

Wherein, the processor is configured to run a computer program stored in the memory, and implement any one of the channel state information updating methods provided in the present disclosure when executing the computer program.

In one embodiment, the processor is used to run a computer program stored in the memory, and implement the following steps when executing the computer program: acquire configured channel state information, and transmit data signals to the terminal device according to the channel state information; acquire the terminal device The decoding result indication information of the transmitted data signal and the first channel state information fed back by the terminal device; according to the decoding result indication information and the first channel state information, the configured channel state information is updated.

In an embodiment, when the processor updates the configured channel state information according to the decoding result indication information and the first channel state information, it is used to: determine the difference between the first channel state information and the configured channel state information The difference between the channel parameters, according to the decoding result indication information, determine the total number of times that the terminal device performs decoding operations in the preset period; when the total number of times is less than the preset threshold and the channel parameter difference is less than the preset channel parameter difference value, update the configured channel state information to the first channel state information.

In an embodiment, the processor determines the channel parameter difference between the first channel state information and the configured channel state information, and determines that the terminal device performs a decoding operation within a preset period according to the decoding result indication information. After the total number of errors, it is also used to realize: when the total number of times is greater than or equal to the preset threshold and/or the channel parameter difference is greater than or equal to the preset channel parameter difference, stop transmitting data signals to the terminal device; send to the terminal device channel test signal, and acquire the second channel state information sent by the terminal device based on the channel test signal; and update the configured channel state information to the second channel state information.

In an embodiment, when the processor determines the total number of errors in the decoding operation performed by the terminal device within a preset period according to the decoding result indication information, it is used to: obtain the decoding result indication within the preset period Information; counting the number of decoding result indication information including the first identifier within a preset period, and obtaining the total number of errors in the decoding operation performed by the terminal device within the preset period.

In an embodiment, when determining the channel parameter difference between the first channel state information and the configured channel state information, the processor is configured to: obtain each preset weight corresponding to each parameter included in the channel state information parameter, and multiply each parameter in the channel state information with its corresponding preset weight parameter and then perform an addition operation to obtain the first parameter; obtain each preset weight corresponding to each parameter included in the first channel state information Parameters, the parameters in the first channel state information and the corresponding preset weight parameters are multiplied and then added to obtain the second parameter; the difference between the first parameter and the second parameter is calculated to obtain the first The channel parameter difference between the channel state information and the configured channel state information.

In an embodiment, when the processor transmits the data signal to the terminal device according to the channel state information, the processor is configured to: transmit the data signal and the demodulation reference signal to the terminal device according to the channel state information, wherein the first channel state information is It is obtained by the terminal device analyzing the demodulation reference signal.

It should be noted that those skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the base station described above can refer to the corresponding process in the foregoing channel state information updating method embodiment, which is not described here. Let me repeat.

Please refer to FIG. 5 . FIG. 5 is a schematic structural block diagram of a terminal device provided in the present disclosure.

As shown in FIG. 5, the terminal device 500 includes a processor 501 and a memory 502, and the processor 501 and the memory 502 are connected through a bus 503, such as an I2C (Inter-integrated Circuit) bus.

In an exemplary embodiment, the processor 501 is configured to provide computing and control capabilities to support the operation of the entire terminal device. The processor 501 can be a central processing unit (Central Processing Unit, CPU), and the processor 501 can also be other general processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC) ), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. Wherein, the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

In an exemplary embodiment, the memory 502 may be a Flash chip, a read-only memory (ROM, Read-Only Memory) disk, an optical disk, a U disk, or a mobile hard disk.

Those skilled in the art can understand that the structure shown in FIG. 5 is only part of the structure related to the disclosed solution. The block diagram does not constitute a limitation on the terminal equipment to which the present disclosure is applied. A specific terminal equipment may include more or less components than those shown in the figure, or combine certain components, or have different component arrangements .

In one embodiment, the processor is configured to run a computer program stored in the memory, and implement the following steps when executing the computer program: acquire the data signal and the demodulation reference signal transmitted by the base station based on the configured channel state information; Decoding to obtain the decoding result indication information, and parsing the demodulation reference signal to obtain the first channel state information; sending the decoding result indication information and the first channel state information to the base station, so that the base station indicates according to the decoding result information and the first channel state information, and update the configured channel state information.

It should be noted that those skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the terminal device described above can refer to the corresponding process in the aforementioned channel state information updating method embodiment, here No longer.

The present disclosure also provides a storage medium for computer-readable storage. The storage medium stores one or more programs, and one or more programs can be executed by one or more processors to implement any of the functions provided in the present disclosure specification. The steps of a method for updating channel state information.

Wherein, the storage medium may be an internal storage unit of the base station and/or the terminal device described in the foregoing embodiments, for example, a hard disk or a memory of the base station and/or the terminal device. The storage medium can also be an external storage device of the base station and/or terminal equipment, such as a plug-in hard disk equipped on the base station and/or terminal equipment, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) card, flash card (Flash Card), etc.

Those of ordinary skill in the art can understand that all or some of the steps in the methods disclosed above, the functional modules/units in the system, and the device can be implemented as software, firmware, hardware, and an appropriate combination thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be composed of several physical components. Components cooperate to execute. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application-specific integrated circuit . Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). As known to those of ordinary skill in the art, the term computer storage media includes both volatile and nonvolatile media implemented in any method or technology for storage of information, such as computer readable instructions, data structures, program modules, or other data. permanent, removable and non-removable media. Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic Cassettes, tapes, disk storage or other magnetic storage devices, or any other medium that can be used to store desired information and that can be accessed by a computer. In addition, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media .

The present disclosure provides a method for updating channel state information, a base station, equipment, and a storage medium. The present disclosure obtains configured channel state information and transmits a data signal to a terminal device according to the channel state information; then obtains the translation of the data signal sent by the terminal device. The code result indication information and the first channel state information fed back by the terminal device; and then the configured channel state information is updated according to the decoding result indication information and the first channel state information. The configured channel state information can be updated in time through the decoding result indication and the first information state information fed back by the transmission data signal, which greatly improves the performance of channel transmission.

It should be understood that the term "and/or" used in the present disclosure and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes these combinations. It should be noted that, as used herein, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or system comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or system. Without further limitations, an element defined by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, article or system comprising that element.

The above serial numbers of the present disclosure are for description only, and do not represent the advantages and disadvantages of the embodiments. The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person familiar with the technical field can easily think of various equivalents within the technical scope of the present disclosure. Modifications or replacements should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be determined by the protection scope of the claims.

Claims

A method for updating channel state information, applied to a base station, the method comprising:

Obtain configured channel state information, and transmit a data signal to the terminal device according to the channel state information;

Acquire decoding result indication information of the data signal sent by the terminal device and first channel state information fed back by the terminal device;

The configured channel state information is updated according to the decoding result indication information and the first channel state information.
The method for updating channel state information according to claim 1, wherein said updating said configured channel state information according to said decoding result indication information and said first channel state information comprises:

Determining the channel parameter difference between the first channel state information and the configured channel state information, and according to the decoding result indication information, determining that an error occurred in the decoding operation performed by the terminal device within a preset period total number of times;

When the total number of times is less than a preset threshold and the channel parameter difference is less than a preset channel parameter difference, updating the configured channel state information to the first channel state information.
The method for updating channel state information according to claim 2, wherein said determining the channel parameter difference between the first channel state information and the configured channel state information indicates information according to the decoding result, After determining the total number of errors in the decoding operation performed by the terminal device within the preset period, it also includes:

When the total number of times is greater than or equal to a preset threshold and/or the channel parameter difference is greater than or equal to a preset channel parameter difference, stop transmitting the data signal to the terminal device;

sending a channel test signal to the terminal device, and acquiring second channel state information sent by the terminal device based on the channel test signal;

updating the configured channel state information to the second channel state information.
The method for updating channel state information according to claim 2 or 3, wherein, according to the decoding result indication information, determining the total number of errors in the decoding operation performed by the terminal device within a preset period includes:

Acquiring the decoding result indication information within a preset period;

Counting the number of the decoding result indication information including the first identifier within the preset period to obtain the total number of errors in the decoding operation performed by the terminal device within the preset period.
The method for updating channel state information according to claim 2 or 3, wherein the determining the channel parameter difference between the first channel state information and the configured channel state information comprises:

Obtain each preset weight parameter corresponding to each parameter included in the channel state information, and perform multiplication operation and then addition operation on each parameter in the channel state information and the corresponding preset weight parameter to obtain the first parameter;

Obtain the preset weight parameters corresponding to the parameters included in the first channel state information, multiply the parameters in the first channel state information with the corresponding preset weight parameters, and then perform addition operations to obtain the first two parameters;

Performing a difference operation on the first parameter and the second parameter to obtain a channel parameter difference between the first channel state information and the configured channel state information.
The method for updating channel state information according to any one of claims 1-3, wherein the transmitting a data signal to the terminal device according to the channel state information comprises:

transmitting a data signal and a demodulation reference signal to the terminal device according to the channel state information, where the first channel state information is obtained by the terminal device analyzing the demodulation reference signal.
A method for updating channel state information, applied to a terminal device, the method comprising:

Obtaining a data signal and a demodulation reference signal transmitted by the base station based on the configured channel state information;

Decoding the data signal to obtain decoding result indication information, and analyzing the demodulation reference signal to obtain first channel state information;

sending the decoding result indication information and the first channel state information to the base station, so that the base station performs the configuration on the configured channel according to the decoding result indication information and the first channel state information Status information is updated.
A base station, including a processor, a memory, a computer program stored on the memory and executable by the processor, and a data bus for realizing connection and communication between the processor and the memory, wherein the When the computer program is executed by the processor, the steps of the channel state information updating method according to any one of claims 1 to 6 are realized.
A terminal device, comprising a processor, a memory, a computer program stored on the memory and executable by the processor, and a data bus for realizing connection and communication between the processor and the memory, wherein When the computer program is executed by the processor, the steps of the method for updating channel state information as claimed in claim 7 are realized.
A storage medium for computer-readable storage, the storage medium stores one or more programs, and the one or more programs can be executed by one or more processors to implement any of claims 1 to 7 A step in the method for updating channel state information.