Information processing method and device

Abstract

The invention provides an information processing method and device, and aims to solve the problem of resource waste caused by reporting low-quality CSI (Channel State Information). The method provided by the embodiment of the invention comprises the following steps: determining first information corresponding to channel state information (CSI), wherein the first information is used for indicating one or more of the quality of the CSI, the quality of a channel or a channel estimation value corresponding to the CSI and the quality of a precoding matrix corresponding to the CSI; and based on the first information, determining whether to send the CSI feedback information to the second equipment and / or determining the CSI feedback information sent to the second equipment. In the embodiment of the invention, the first equipment can feed back the high-quality CSI feedback information to the second equipment based on the first information or report the CSI feedback information when the quality of the CSI is relatively high, so that the problem of resource waste caused by transmission of low-quality CSI can be effectively avoided, and the quality of the reported CSI feedback information can be effectively guaranteed.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to an information processing method and device. Background Art

[0002] In the related art, for a given channel state information (CSI) reporting configuration, the terminal or user equipment (UE) needs to feedback the corresponding CSI. For systems that perform CSI feedback based on artificial intelligence (AI) / machine learning (ML), when using ground-truth CSI for performance monitoring or model training, if the quality of ground-truth CSI is low, the performance monitoring using such low-quality ground-truth CSI will also be inaccurate or the AI / ML model trained using such low-quality samples will also be difficult to guarantee good performance. Therefore, reporting the above low-quality CSI will cause a waste of resources. Summary of the invention

[0003] The purpose of the present application is to provide an information processing method and device to solve the problem that reporting low-quality CSI will cause resource waste.

[0004] In order to achieve the above object, the present application provides an information processing method, which is performed by a first device, and the method includes:

[0005] Determine first information corresponding to channel state information CSI, where the first information is used to indicate one or more of a quality of the CSI, a quality of a channel or a channel estimation value corresponding to the CSI, and a quality of a precoding matrix corresponding to the CSI;

[0006] Based on the first information, determine whether to send CSI feedback information to the second device and / or determine the CSI feedback information to send to the second device.

[0007] Optionally, the method of the embodiment of the present application further includes:

[0008] receiving a first reference signal;

[0009] The CSI is determined based on a first reference signal.

[0010] Optionally, determining first information corresponding to the channel state information CSI includes:

[0011] First information corresponding to the CSI is determined based on configuration information of the first reference signal and / or the second reference signal.

[0012] Optionally, the determining, based on the first information, whether to send CSI feedback information to the second device and / or determining CSI feedback information to be sent to the second device includes:

[0013] If the first information satisfies the first condition, not sending CSI feedback information to the second device or determining that the CSI feedback information sent to the second device does not include the CSI;

[0014] When the first information satisfies the second condition, it is determined to send CSI feedback information to the second device or it is determined that the CSI feedback information sent to the second device includes the CSI.

[0015] Optionally, the CSI feedback information includes first indication information, and the first indication information is used to indicate whether the CSI feedback information includes the CSI.

[0016] Optionally, the first condition includes:

[0017] The relative relationship between the first information and the first threshold or the first reference quality information satisfies a first relationship;

[0018] And / or, the second condition includes:

[0019] The relative relationship between the first information and the second threshold or the second reference quality information satisfies the second relationship.

[0020] Optionally, determining, based on the first information, CSI feedback information to be sent to the second device includes:

[0021] Based on the first information, at least one of a codebook parameter, a codebook, and a load size in the CSI feedback information is determined.

[0022] Optionally, determining whether to send CSI feedback information to the second device and / or determining CSI feedback information to be sent to the second device based on the first information includes:

[0023] Based on the first information and the first parameter, determining whether to send CSI feedback information to the second device and / or determining the CSI feedback information to be sent to the second device;

[0024] The first parameter includes at least one of the following:

[0025] Configuration information of a first reference signal, wherein the first reference signal is a reference signal used to determine the CSI;

[0026] location information of the first device;

[0027] Speed ​​information of the first device.

[0028] Optionally, the determining, based on the first information and the first parameter, CSI feedback information to be sent to the second device includes:

[0029] At least one of a codebook parameter, a codebook, and a load size in the CSI feedback information is determined based on the first information and the first parameter.

[0030] Optionally, the CSI feedback information includes second indication information, where the second indication information is used to indicate at least one of a codebook parameter, a codebook, and a load size.

[0031] Optionally, the method of the embodiment of the present application further includes:

[0032] The first information is sent.

[0033] Optionally, the first information includes at least one of the following:

[0034] Channel quality information;

[0035] Channel information;

[0036] Quality grade information;

[0037] Error information.

[0038] Optionally, the channel quality information includes at least one of the following:

[0039] Signal to Interference and Noise Ratio SINR or Signal to Noise Ratio SNR;

[0040] Reference signal received power RSRP;

[0041] Channel quality indication CQI.

[0042] Optionally, the channel information includes information used to indicate that the channel corresponds to at least one of the following:

[0043] Delay spread;

[0044] Angle expansion;

[0045] Average delay;

[0046] Doppler;

[0047] Doppler expansion;

[0048] Mean square error (MSE);

[0049] Normalized mean square error NMSE;

[0050] Channel statistics;

[0051] Channel distribution information.

[0052] Optionally, the error information includes at least one of the following:

[0053] Error information of CSI;

[0054] Error information of the channel or channel estimation value corresponding to the CSI;

[0055] The error information of the precoding matrix corresponding to the CSI.

[0056] Optionally, the error information includes at least one of the following:

[0057] Distance error;

[0058] MSE, NMSE or minimum mean square error MMSE;

[0059] CQI error information;

[0060] Error information of channel statistics.

[0061] Optionally, the CSI feedback information includes CSI feedback information corresponding to the CSI.

[0062] The embodiment of the present application further provides an information processing method, which is executed by a second device, and the method includes:

[0063] Determine CSI feedback information and / or whether CSI feedback information exists based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, and / or the first information;

[0064] The first information is used to indicate one or more of the quality of the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI.

[0065] Optionally, the CSI feedback information includes at least one of the following:

[0066] Codebook parameters;

[0067] Codebook;

[0068] Load size.

[0069] Optionally, the method of the embodiment of the present application further includes:

[0070] First information sent by a first device is obtained.

[0071] Optionally, the first information is configuration information of the first reference signal and / or first information corresponding to a CSI feedback configuration corresponding to the first reference signal.

[0072] Optionally, determining, based on the first information, CSI feedback information and / or whether CSI feedback information exists includes:

[0073] If the first information satisfies a first condition, determining that there is no CSI feedback information or determining that the CSI feedback information does not include the CSI corresponding to the first information;

[0074] When the first information satisfies the second condition, it is determined that there is CSI feedback information or it is determined that the CSI feedback information includes CSI corresponding to the first information.

[0075] Optionally, the CSI feedback information includes first indication information, and the first indication information is used to indicate whether the CSI feedback information includes the CSI.

[0076] Optionally, the first condition includes:

[0077] The relative relationship between the first information and the first threshold or the first reference quality information satisfies a first relationship;

[0078] And / or, the second condition includes:

[0079] The relative relationship between the first information and the second threshold or the second reference quality information satisfies the second relationship.

[0080] Optionally, determining CSI feedback information and / or whether CSI feedback information exists based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, and / or the first information includes:

[0081] Determine CSI feedback information and / or whether CSI feedback information exists based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, at least one of the first information, and a second parameter;

[0082] The second parameter includes at least one of the following:

[0083] location information of the first device;

[0084] Speed ​​information of the first device.

[0085] Optionally, determining the CSI feedback information based on the configuration information of the first reference signal, the CSI feedback configuration corresponding to the first reference signal, at least one of the first information, and the second parameter includes:

[0086] At least one of a codebook parameter, a codebook, and a load size in the CSI feedback information is determined based on the configuration information of the first reference signal, the CSI feedback configuration corresponding to the first reference signal, at least one of the first information, and the second parameter.

[0087] Optionally, the CSI feedback information includes second indication information, where the second indication information is used to indicate at least one of a codebook parameter, a codebook, and a load size.

[0088] Optionally, the method of the embodiment of the present application further includes at least one of the following:

[0089] Sending a first reference signal and / or a second reference signal;

[0090] Send configuration information of a first reference signal.

[0091] Optionally, the first information includes at least one of the following:

[0092] Channel quality information;

[0093] Channel information;

[0094] Quality grade information;

[0095] Error information.

[0096] Optionally, the channel quality information includes at least one of the following:

[0097] Signal to Interference and Noise Ratio SINR or Signal to Noise Ratio SNR;

[0098] Reference signal received power RSRP;

[0099] Channel quality indication CQI.

[0100] Optionally, the channel information includes information used to indicate that the channel corresponds to at least one of the following:

[0101] Delay spread;

[0102] Angle expansion;

[0103] Average delay;

[0104] Doppler;

[0105] Doppler expansion;

[0106] Mean square error (MSE);

[0107] Normalized mean square error NMSE;

[0108] Channel statistics;

[0109] Channel distribution information.

[0110] Optionally, the error information includes at least one of the following:

[0111] Error information of CSI;

[0112] Error information of the channel or channel estimation value corresponding to the CSI;

[0113] The error information of the precoding matrix corresponding to the CSI.

[0114] Optionally, the error information includes at least one of the following:

[0115] Distance error;

[0116] MSE, NMSE or minimum mean square error MMSE;

[0117] CQI error information;

[0118] Error information of channel statistics.

[0119] Optionally, the CSI feedback information includes CSI feedback information corresponding to the CSI.

[0120] The embodiment of the present application also provides an information processing device, including a memory, a transceiver, and a processor;

[0121] A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:

[0122] Determine first information corresponding to channel state information CSI, where the first information is used to indicate one or more of a quality of the CSI, a quality of a channel or a channel estimation value corresponding to the CSI, and a quality of a precoding matrix corresponding to the CSI;

[0123] Based on the first information, determine whether to send CSI feedback information to the second device and / or determine the CSI feedback information to send to the second device.

[0124] Optionally, the processor further performs the following operations:

[0125] receiving a first reference signal;

[0126] The CSI is determined based on a first reference signal.

[0127] Optionally, the processor further performs the following operations:

[0128] First information corresponding to the CSI is determined based on configuration information of the first reference signal and / or the second reference signal.

[0129] Optionally, the processor further performs the following operations:

[0130] If the first information satisfies the first condition, not sending CSI feedback information to the second device or determining that the CSI feedback information sent to the second device does not include the CSI;

[0131] When the first information satisfies the second condition, it is determined to send CSI feedback information to the second device or it is determined that the CSI feedback information sent to the second device includes the CSI.

[0132] The embodiment of the present application also provides an information processing device, including a memory, a transceiver, and a processor;

[0133] A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:

[0134] Determine CSI feedback information and / or whether CSI feedback information exists based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, and / or the first information;

[0135] The first information is used to indicate one or more of the quality of the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI.

[0136] Optionally, the CSI feedback information includes at least one of the following:

[0137] Codebook parameters;

[0138] Codebook;

[0139] Load size.

[0140] Optionally, the processor further performs the following operations:

[0141] If the first information satisfies a first condition, determining that there is no CSI feedback information or determining that the CSI feedback information does not include the CSI corresponding to the first information;

[0142] When the first information satisfies the second condition, it is determined that there is CSI feedback information or it is determined that the CSI feedback information includes CSI corresponding to the first information.

[0143] The present application also provides an information processing device, including:

[0144] A first determining unit, configured to determine first information corresponding to channel state information CSI, where the first information is used to indicate one or more of a quality of the CSI, a quality of a channel or a channel estimation value corresponding to the CSI, and a quality of a precoding matrix corresponding to the CSI;

[0145] The second determining unit is used to determine whether to send CSI feedback information to the second device and / or determine the CSI feedback information to be sent to the second device based on the first information.

[0146] The present application also provides an information processing device, including:

[0147] A third determining unit, configured to determine CSI feedback information and / or whether CSI feedback information exists based on the configuration information of the first reference signal, the CSI feedback configuration corresponding to the first reference signal and / or the first information;

[0148] The first information is used to indicate one or more of the quality of the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI.

[0149] An embodiment of the present application further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the steps of the information processing method described above.

[0150] The above technical solution of the present application has at least the following beneficial effects:

[0151] In an embodiment of the present application, the first device determines the first information corresponding to the channel state information CSI, and the first information is used to indicate one or more of the quality of the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI; based on the first information, it is determined whether to send CSI feedback information to the second device and / or the CSI feedback information to be sent to the second device. Therefore, through the above scheme, the first device can feedback high-quality CSI feedback information to the second device based on the first information or report CSI feedback information when the quality of CSI is high, thereby effectively avoiding the problem of resource waste caused by transmitting low-quality CSI, and can effectively guarantee the quality of the reported CSI feedback information. BRIEF DESCRIPTION OF THE DRAWINGS

[0152] Figure 1a One of the structural diagrams of a network system to which the embodiments of the present application can be applied;

[0153] Figure 1b A second structural diagram showing a network system to which the embodiments of the present application can be applied;

[0154] Figure 2 A schematic diagram showing a flow chart of an information processing method according to an embodiment of the present application;

[0155] Figure 3 One of the information transmission schematic diagrams in the embodiment of the present application is shown;

[0156] Figure 4 The second schematic diagram of information transmission in the embodiment of the present application is shown;

[0157] Figure 5 A second flowchart of the information processing method according to an embodiment of the present application is shown;

[0158] Figure 6 One of the structural block diagrams of the information processing device according to the embodiment of the present application;

[0159] Figure 7 A second structural block diagram showing an information processing device according to an embodiment of the present application;

[0160] Figure 8 One of the module schematic diagrams showing the information processing device according to an embodiment of the present application;

[0161] Fig. 9 The second module schematic diagram of the information processing device according to the embodiment of the present application. DETAILED DESCRIPTION

[0162] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0163] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein, for example, are implemented in a sequence other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, the process, method, system, product or equipment comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or equipment.

[0164] In the embodiments of the present application, the term "and / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent three situations: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the associated objects before and after are in an "or" relationship. In the embodiments of the present application, the term "plurality" refers to two or more than two, and other quantifiers are similar.

[0165] In the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0166] Figure 1a and Figure 1b A block diagram of a wireless communication system to which an embodiment of the present application can be applied is shown. The wireless communication system includes a terminal side device and a network side device (or network device). Among them, the terminal side device 11 may also include a terminal or a user terminal (User Equipment, UE), and may also include a server (UE server) serving the UE, etc. The UE server may undertake functions such as data collection, model training, and model monitoring. The network side device may include a base station 12 and / or a network device 13 different from the base station, and the network device 13 different from the base station is a network server (NW server), a third-party server, a core network device, and / or a management entity, etc. The above-mentioned network server may be a server that provides services for the base station, and the above-mentioned third-party server may be a server different from the above-mentioned network server and UE server. For example, the third-party server may be a server provided by a chip manufacturer, a terminal manufacturer, an operator, or other service providers. The above-mentioned network server or third-party server may be a server for providing functions such as data collection, model training, and model monitoring. The above-mentioned management entity may provide functions such as data collection, model training, and model monitoring.

[0167] In order to enable those skilled in the art to better understand the embodiments of the present application, the following description is first made.

[0168] In a wireless communication system, a UE measures CSI based on a downlink reference signal (e.g., a Channel State Information Reference Signal (CSI-RS)) sent by a base station, and sends the measured CSI (Channel State Information Reference Signal) to the base station. The process of a UE sending CSI to a base station is also called CSI reporting or CSI feedback.

[0169] The CSI sent by the UE to the base station may include multiple information. For example, in the NR system, the CSI may include one or more of the following information:

[0170] Channel Quality Indicator (CQI);

[0171] Precoding Matrix Indicator (PMI);

[0172] CSI-RS Resource Indicator (CRI);

[0173] SS / PBCH Block Resource Indicator (SSBRI);

[0174] Layer Indicator (LI);

[0175] Rank Indicator (RI);

[0176] Layer 1 Reference Signal Received Quality (L1-RSRP);

[0177] Layer 1 Signal to Interference Plus Noise Ratio (L1-SINR);

[0178] Capability Set Index.

[0179] The base station receives the CSI fed back by the UE. Based on the CSI fed back by the UE, the base station can perform beam selection and determine scheduling information (for example, the modulation and coding scheme (MCS) level of downlink transmission, precoding matrix information PMI, number of transmission layers RI), etc.

[0180] Artificial Intelligence (AI) / Machine Learning (ML) technology has powerful optimization and fitting capabilities. By fully learning channel structure knowledge through neural networks, better channel compression and reconstruction performance can be obtained. Therefore, AI / ML technology is used to enhance CSI feedback and acquisition. For example, it is used for CSI compression, CSI prediction, etc.

[0181] In an AI / ML-based large-scale MIMO CSI feedback example, it is implemented based on an encoder and a decoder. The encoder is used on the UE side for CSI compression. It uses the sparse characteristics of the channel matrix to compress the original N-dimensional channel matrix H into an M-dimensional codeword s. The principle can be expressed as follows:

[0182] s=f en (H);

[0183] The decoder is used on the network side for CSI reconstruction, that is, to restore the received codeword s to the original channel matrix The principle can be expressed as:

[0184]

[0185] When applied in actual communication systems, its basic working mechanism is:

[0186] After estimating the channel matrix H in the space-frequency domain, the user end generates a compressed codeword s using the encoder for the original channel or the input CSI obtained after the original channel is preprocessed, and then feeds it back to the base station;

[0187] After receiving the compressed codeword s, the base station uses a decoder to reconstruct / restore the original channel / input CSI.

[0188] The above is the basic principle of space-frequency domain CSI compression feedback based on AI / ML. That is, space-frequency domain CSI compression feedback based on AI / ML is a bilateral model deployed on both sides.

[0189] UE side: compress the original channel or the pre-processed channel using the AI / ML generation part (or CSI generation part, CSI generation part, AI / ML encoder, AI / ML encoder, etc.), quantize it into binary bits after compression and feed it back to the base station;

[0190] Network side: Dequantize the binary bits fed back by the UE side, and then use the AI / ML reconstruction part (or CSI reconstruction part, AI / ML decoder) to recover the channel information. Optionally, the network side also performs some post-processing operations.

[0191] In another AI-based CSI feedback method, for UE-side time-domain CSI prediction, the UE collects CSI information at multiple historical moments, uses the AI / ML model to predict the CSI information at future moments, and feeds it back to the base station. The predicted CSI information can be fed back using a traditional CSI feedback method, for example, a codebook-based CSI feedback method.

[0192] For the time domain CSI prediction on the base station side, the base station receives CSI feedback information of multiple historical moments fed back by the terminal, and uses the AI / ML model to predict the CSI at future moments. Among them, the CSI feedback information of historical moments can be fed back in a traditional way, for example, using a codebook-based CSI feedback method.

[0193] When performing AI / ML-based CSI compression / feedback / acquisition, in order to perform performance monitoring (e.g., performance monitoring of AI / ML models, or performance monitoring of AI / ML-based functions) or model training or model updating, the UE needs to feed back CSI with higher precision to the base station or a certain device, so that the base station or the device can use the high-precision CSI for performance monitoring, model training or model updating. The certain device here can be a management entity, etc.

[0194] This high-precision CSI used for performance monitoring / model training / model update usually has higher feedback accuracy than the CSI used for scheduling, or is CSI obtained by non-AI methods. For example, it is CSI obtained based on a codebook, or it is the quantization of the channel matrix, or it is the precoding matrix for quantization of the feature vector, etc.

[0195] This high-precision CSI used for performance monitoring / model training / model updating is also called ground-truth CSI.

[0196] A ground-truth CSI can be called a sample, a sample value, or a data.

[0197] The process of collecting data by devices such as base stations for the purpose of AI / ML model training, data analysis or reasoning can be called data collection.

[0198] The information processing method provided by the embodiment of the present application is described in detail below through some embodiments and their application scenarios in combination with the accompanying drawings.

[0199] like Figure 2 As shown, an embodiment of the present application provides an information processing method, which is executed by a first device, and the method includes:

[0200] Step 201: Determine first information corresponding to channel state information CSI, where the first information is used to indicate one or more of the quality of the CSI, the quality of a channel or a channel estimation value corresponding to the CSI, and the quality of a precoding matrix corresponding to the CSI.

[0201] The first device in the embodiment of the present application is a terminal.

[0202] In the embodiment of the present application, the above-mentioned first information can also be described as quality information.

[0203] Optionally, the CSI is ground-truth CSI. The ground-truth CSI is CSI used for one or more of performance monitoring, model training, and model updating. Optionally, the performance monitoring includes one or more of model monitoring and functionality monitoring.

[0204] Of course, the above CSI may also be CSI under a certain CSI-RS configuration, or CSI under a certain feedback configuration, or a certain type of CSI, which is not specifically limited here.

[0205] Step 202: Based on the first information, determine whether to send CSI feedback information to the second device and / or determine the CSI feedback information to send to the second device.

[0206] Optionally, the CSI feedback information includes CSI feedback information corresponding to the CSI. Optionally, the second device may be a base station, or a management entity different from the base station, such as a server.

[0207] Optionally, the CSI feedback information includes channel information.

[0208] Optionally, the CSI feedback information includes one or more of the following:

[0209] Channel Quality Indicator (CQI);

[0210] Precoding Matrix Indicator (PMI);

[0211] CSI-RS Resource Indicator (CRI);

[0212] SS / PBCH Block Resource Indicator (SSBRI);

[0213] Layer Indicator (LI);

[0214] Rank Indicator (RI);

[0215] Layer 1 Reference Signal Received Quality (L1-RSRP);

[0216] Layer 1 Signal to Interference Plus Noise Ratio (L1-SINR);

[0217] Capability Set Index;

[0218] Codebook parameter indication information;

[0219] Codebook indication information;

[0220] Payload size indication information;

[0221] Quantitative information of the channel.

[0222] Optionally, the PMI is precoding matrix indication information determined based on a codebook; optionally, the PMI is quantization information of a eigenvector obtained after performing SVD decomposition on a channel (or a channel estimation value).

[0223] Optionally, the quantization information of the channel is information obtained by quantizing a channel matrix. Optionally, the quantization is scalar quantization (eg, uniform quantization or non-uniform quantization). Optionally, the quantization is vector quantization.

[0224] Optionally, the CSI feedback information includes CSI feedback information corresponding to the CSI.

[0225] In an embodiment of the present application, the first device determines the first information corresponding to the channel state information CSI, and the first information is used to indicate one or more of the quality of the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI; based on the first information, it is determined whether to send CSI feedback information to the second device and / or the CSI feedback information to be sent to the second device. Therefore, through the above scheme, the first device can feedback high-quality CSI feedback information to the second device based on the first information or report CSI feedback information when the quality of CSI is high, thereby effectively avoiding the problem of resource waste caused by transmitting low-quality CSI, and can effectively guarantee the quality of the reported CSI feedback information.

[0226] Optionally, the method of the embodiment of the present application further includes:

[0227] receiving a first reference signal;

[0228] The CSI is determined based on the first reference signal. That is, the CSI in step 201 is the CSI determined based on the first reference signal.

[0229] The method for determining CSI by the first device may include at least one of the following: a model-based CSI determination method; a codebook-based CSI determination method.

[0230] Optionally, the first reference signal is a CSI-RS.

[0231] Optionally, the CSI feedback information is CSI feedback information corresponding to the first reference signal.

[0232] As an optional implementation, the second device is a base station, such as Figure 3 As shown, the first device receives a first reference signal sent by a network device (base station), determines CSI based on the first reference signal, and feeds back the CSI to the base station when determining to send CSI feedback information based on first information corresponding to the CSI.

[0233] As another optional implementation, the second device is a management entity, such as Figure 4 As shown, the first device receives a first reference signal sent by a network device (base station), determines CSI based on the first reference signal, and feeds back the CSI to a management entity when determining to send CSI feedback information based on first information corresponding to the CSI.

[0234] It can be seen that Figure 3 The network equipment is responsible for data collection. Figure 4 The management entity is responsible for the collection of data, although Figure 3 and Figure 4 Only one terminal is shown in the figure, but a network device or management entity can also collect data from multiple terminals. That is, there are multiple terminals in the network, and multiple terminals send CSI to the network device or management entity. Of course, there can also be multiple base stations and / or multiple management entities in the network. In the case where there are both base stations and management entities in the network, it is also possible that both the base stations and the management entities collect CSI; in the case where there are multiple base stations in the network, it is possible that some base stations collect CSI, while other base stations do not collect CSI.

[0235] Optionally, determining first information corresponding to the channel state information CSI includes:

[0236] First information corresponding to the CSI is determined based on configuration information of the first reference signal and / or the second reference signal.

[0237] It should be noted that the first reference signal is the same as the second reference signal, or the first reference signal is different from the second reference signal. For example, the first reference signal is a CSI-RS, and the second reference signal is a positioning reference signal. For another example, the first reference signal is a CSI-RS for determining the CSI, and the second reference signal is some other CSI-RS for determining the first information. For another example, the first reference signal is a CSI-RS for determining the CSI, and the second reference signal includes the first reference signal and some other CSI-RS for determining the first information. An example of other CSI-RS for determining the first information is a CSI-RS within a given time window, or a CSI-RS within a given time window that is the same as the first reference signal at least with respect to some configuration. Examples of some of the configurations include: the number of antenna ports, resource density and / or space-related information, etc.

[0238] Optionally, the configuration information of the first reference signal includes configuration information of resources of the first reference signal and / or configuration information of a resource set of the first reference signal.

[0239] Some examples of configuration information about resources of the first reference signal and / or configuration information about the resource set of the first reference signal include one or more of the following information about resources of the first reference signal and / or the resource set of the first reference signal:

[0240] Number of antenna ports;

[0241] Time domain density;

[0242] Frequency domain density;

[0243] cycle;

[0244] Power information;

[0245] pattern.

[0246] Optionally, the pattern is a transmission pattern of resources in a time slot and / or PRB.

[0247] As an implementation, based on the configuration information of the first reference signal and / or the second reference signal, determining the first information corresponding to the CSI includes: determining the first information corresponding to the CSI based on the configuration information of the first reference signal and / or the correspondence between the second reference signal and the first information, wherein the above correspondence may be agreed upon by a protocol, configured by a second device, configured by a base station, or determined by a UE. For example, the first information corresponding to the CSI is a function of the configuration information of the first reference signal. The first device determines the first information based on the configuration information of the first reference signal. For example, taking the configuration information of the first reference signal as the pattern of the first reference signal as an example, the first device obtains the CSI based on the first reference signal, and when the CSI corresponds to the same value, the pattern of the first reference signal is the first pattern and the second pattern, the first information corresponds to different values. Taking the configuration information of the first reference signal as the pattern and time domain density of the first reference signal as an example, the first device obtains the CSI based on the first reference signal, and when the CSI corresponds to the same value, the pattern and density of the first reference signal are the first combination and the second combination, the first information corresponds to different values. For another example, the first information corresponding to the CSI is a function of the measurement value corresponding to the second signal. The first device determines the first information based on the measurement amount of the second signal. The measurement amount of the second reference signal is a measurement amount obtained based on the measurement of the second reference signal. Optionally, the measurement amount includes: a measurement amount of a channel (such as RSRP, SINR and / or channel distribution, etc.), positioning information and / or information used to characterize positioning accuracy, etc. For example, the first device determines the first information based on the measurement amount of the second reference signal. When one or more of the CSI, the quality corresponding to the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI correspond to the same value, when the measurement amount of the second reference signal is the first value and the second value, the first information corresponds to different values ​​respectively (taking the first information as quality level information as an example, when the measurement amount of the second reference signal is the first value, the first information corresponds to the first quality level, and when the measurement amount of the second reference signal is the second value, the first information corresponds to the second quality level). For another example, when the number of antenna ports or the time domain density included in the configuration information of the first reference signal is in a first numerical range, the first information corresponding to the CSI is determined based on the corresponding relationship as follows: the quality level corresponding to the CSI is the first quality level. When the number of antenna ports or the time domain density included in the configuration information of the first reference signal is in a second numerical range, the first information corresponding to the CSI is determined based on the corresponding relationship as follows: the quality level corresponding to the CSI is the second quality level. Optionally, the configuration information of the first reference signal includes configuration information of signal resources corresponding to the first reference signal.Taking the first reference signal as CSI-RS as an example, the configuration information of the signal resource corresponding to the first signal is the configuration information of the CSI-RS resource corresponding to the CSI-RS. Optionally, the configuration information of the first reference signal includes the configuration information of the signal resource set corresponding to the first reference signal. Taking the first reference signal as CSI-RS as an example, the configuration information of the signal resource set corresponding to the first signal is the configuration information of the CSI-RS resource set corresponding to the CSI-RS.

[0248] Optionally, the determining, based on the first information, whether to send CSI feedback information to the second device and / or determining CSI feedback information to be sent to the second device includes:

[0249] If the first information satisfies the first condition, not sending CSI feedback information to the second device (that is, the content of the CSI feedback information is empty) or determining that the CSI feedback information sent to the second device does not include the CSI (or the CSI corresponding to the first reference signal is empty);

[0250] When the first information satisfies the second condition, it is determined to send CSI feedback information to the second device or it is determined that the CSI feedback information sent to the second device includes the CSI.

[0251] Optionally, the CSI feedback information includes first indication information, where the first indication information is used to indicate whether the CSI feedback information includes the CSI, or the first indication information is used to indicate whether the CSI is empty.

[0252] Optionally, the first information satisfies the second condition including: the first information does not satisfy the first condition.

[0253] Optionally, the first condition includes:

[0254] The relative relationship between the first information and the first threshold or the first reference quality information satisfies a first relationship;

[0255] The second condition includes:

[0256] The relative relationship between the first information and the second threshold or the second reference quality information satisfies the second relationship.

[0257] For example, the first relationship may be greater than, less than, greater than or equal to, less than or equal to;

[0258] The second relationship may be greater than, less than, greater than or equal to, or less than or equal to;

[0259] Optionally, the first relationship and the second relationship are different relationships.

[0260] Optionally, the first relationship and the second relationship are complementary relationships, for example, the first relationship is less than or equal to a threshold value or reference quality information, and the second relationship is greater than the threshold value or reference quality information.

[0261] Optionally, the first threshold is pre-agreed upon by the second device and the first device (for example, sent by the second device to the first device, or sent by the first device to the second device, or agreed upon by a protocol) or determined by the first device itself.

[0262] Optionally, the second threshold is pre-agreed upon by the second device and the first device (for example, sent by the second device to the first device, or sent by the first device to the second device, or agreed upon by a protocol) or determined by the first device itself.

[0263] Optionally, the first threshold and the second threshold are the same threshold, that is, the value of the first threshold is equal to the value of the second threshold.

[0264] Optionally, the first reference quality information and the second reference quality information are the same quality information. Optionally, the value of the first reference quality information is the same as the value of the second reference quality information.

[0265] Optionally, determining whether to send CSI feedback information to the second device and / or determining CSI feedback information to be sent to the second device based on the first information includes:

[0266] Based on the first information and the first parameter, determine whether to send CSI feedback information to the second device and / or determine the CSI feedback information to send to the second device.

[0267] Optionally, the first parameter includes at least one of the following:

[0268] Configuration information of a first reference signal, wherein the first reference signal is a reference signal for determining the CSI. Optionally, the configuration information of the first reference signal includes information for configuring one or more of the following: the number of antenna ports of the first reference signal; the time domain density of the first reference signal; the frequency domain density of the first reference signal; the pattern of the first reference signal. Optionally, the configuration information of the first reference signal is the configuration information sent by the second device. Optionally, the configuration information of the first reference signal includes configuration information of the signal resource corresponding to the first reference signal. Then, the configuration information of the first reference signal includes information for configuring one or more of the following: the number of antenna ports of the signal resource corresponding to the first reference signal; the time domain density of the signal resource corresponding to the first reference signal; the frequency domain density of the signal resource corresponding to the first reference signal; the pattern of the signal resource corresponding to the first reference signal. Taking the first reference signal as CSI-RS as an example, the configuration information of the signal resource corresponding to the first signal includes the configuration information of the CSI-RS resource corresponding to the CSI-RS. Optionally, the configuration information of the first reference signal includes the configuration information of the signal resource set corresponding to the first reference signal. Then, the configuration information of the first reference signal includes information for configuring the signal resource set corresponding to the first reference signal to correspond to one or more of the following: number of antenna ports; time domain density; frequency domain density; pattern. Taking the first reference signal as CSI-RS as an example, the configuration information of the signal resource set corresponding to the first signal is the configuration information of the CSI-RS resource set corresponding to the CSI-RS.

[0269] The location information of the first device; optionally, the location information includes the absolute location of the first device or the relative location of the first device;

[0270] The speed information of the first device is information used to indicate the speed of the first device. Optionally, the speed information is index information or identification information. The speed of the first device can be determined by looking up a table or looking up a corresponding relationship based on the speed information of the first device. Optionally, the speed information can be information related to Doppler and / or information related to the time domain, etc.

[0271] In the embodiment of the present application, the above-mentioned location information is information used to indicate the location of the first device. The second device can determine the location of the first device based on the location information of the first device. For example, the location information of the first device includes one or more of the following:

[0272] Reference signal time difference (RSTD);

[0273] Reference signal received power RSRP;

[0274] Relative Time Difference (RTD), which indicates the delay difference between the multipaths of the measurement cell. For example, if P paths are detected, P-1 RTDs may be reported. The value of P may be configured by the network side. The second device may locate the first device based on the RTD.

[0275] SNR or SINR;

[0276] The time difference between sending and receiving of the first device;

[0277] Time of Arrival (TOA) measurement;

[0278] Positioning reference signal PRS resource ID or PRS resource set ID;

[0279] Angle information;

[0280] a timestamp associated with the measurement value of the first device, optionally comprising a system frame number and / or a time slot number;

[0281] Position index.

[0282] In an embodiment of the present application, the location of the first device can be determined by the above-mentioned location information, and then the above-mentioned first information can be determined based on the location of the first device. For example, when the UE is located in a certain area, the quality corresponding to the CSI is relatively good, and when it is located in another area, the quality corresponding to the CSI is relatively poor. For another example, if the UE is located outdoors and is within a certain range from the base station, the performance of the CSI measurement is relatively good. If the UE is located indoors or at the edge of the cell, due to large losses or interference, the UE's measurement of the CSI will be inaccurate, and the quality corresponding to the CSI will be poor.

[0283] In addition, in the embodiment of the present application, the first information of the CSI may also be indicated based on the above speed information. For example, the lower the speed of the first device, the better the quality corresponding to the CSI may be considered.

[0284] In the embodiment of the present application, in different speed ranges and / or different position ranges, the same channel quality information or channel information etc. may correspond to the same or different quality levels.

[0285] Optionally, the determining, based on the first information, CSI feedback information to be sent to the second device includes:

[0286] Based on the first information, at least one of a codebook parameter, a codebook, and a payload size in the CSI feedback information is determined.

[0287] Optionally, the codebook parameter, codebook and / or load size are codebook parameters, codebook and / or load size corresponding to the CSI.

[0288] Optionally, the codebook parameter, codebook and / or load size are the codebook parameter, codebook and / or load size corresponding to the CSI (the CSI in step 201).

[0289] Optionally, the CSI is a CSI determined based on a codebook. The codebook parameter is a parameter used to indicate and / or determine a codebook. Optionally, the codebook is a DFT-based codebook. Optionally, the codebook is a codebook based on one or more of a spatial basis vector, a frequency domain basis vector, and a Doppler domain basis vector. Optionally, the codebook includes a vector quantization codebook. Optionally, the first device vector quantizes the information indicated by the CSI (for example, the precoding matrix indicated by the CSI) to obtain CSI feedback information. Optionally, the codebook includes a scalar quantization codebook. Optionally, the first device scalar quantizes the information indicated by the CSI (for example, the precoding matrix indicated by the CSI) to obtain CSI feedback information. Optionally, the codebook parameter includes a quantization bit number (for example, a quantization bit number used to quantize a coding matrix or channel information). Optionally, the codebook parameter includes a parameter used to indicate at least one of a spatial basis vector, a frequency domain basis vector, and a Doppler domain basis vector. Optionally, the codebook parameters include parameters used to indicate the number of precoding matrix coefficients.

[0290] Optionally, based on the first information, at least one of a codebook parameter, a codebook, and a payload size corresponding to the CSI in the CSI feedback information is determined. As an example, when the CSI is determined based on a first reference signal, the determining, based on the first information, at least one of a codebook parameter, a codebook, and a payload size corresponding to the CSI in the CSI feedback information includes: based on the first information, determining at least one of a codebook parameter, a codebook, and a payload size corresponding to the first reference signal in the CSI feedback information. Optionally, the codebook parameter, the codebook, and the payload size are functions of the first information. For example, the first information having a value belonging to the first range and the first information having a value belonging to the second range correspond to different codebook parameters, codebooks, and payload sizes, respectively.

[0291] Optionally, the determining, based on the first information and the first parameter, CSI feedback information to be sent to the second device includes:

[0292] Based on the first information and the first parameter, at least one of a codebook parameter, a codebook, and a payload size in the CSI feedback information is determined. Optionally, the codebook parameter, the codebook, and / or the payload size are the codebook parameter, the codebook, and / or the payload size corresponding to the CSI.

[0293] Optionally, the codebook parameter, codebook and / or load size are the codebook parameter, codebook and / or load size corresponding to the CSI (the CSI in step 201).

[0294] Optionally, the CSI in the CSI feedback information includes the CSI in step 201 and some other CSI. An example of other CSI is CSI measured within a given time window, where the given time window may be predefined, or agreed upon by the first device and the second device, or agreed upon by the first device and the base station, etc.

[0295] Optionally, there are two or more value ranges, different value ranges correspond to different codebook parameters, codebooks and / or loads, and the corresponding codebook parameter, codebook and / or load is determined based on the value range to which the first information belongs.

[0296] Optionally, the value range is determined based on a threshold value, and the threshold value is pre-agreed upon by the second device and the first device (for example, sent by the second device to the first device, or sent by the first device to the second device, or agreed upon by a protocol) or determined by the first device itself.

[0297] Optionally, the CSI feedback information includes second indication information, where the second indication information is used to indicate at least one of a codebook parameter, a codebook, and a load size.

[0298] Optionally, the method of the embodiment of the present application further includes:

[0299] The first information is sent.

[0300] Here, the first information is sent so that the second device can determine the CSI feedback information and / or whether the CSI feedback information exists based on the first information.

[0301] Optionally, the first information includes at least one of the following:

[0302] Channel quality information;

[0303] Channel information;

[0304] Quality grade information;

[0305] Error information.

[0306] Optionally, the channel quality information includes at least one of the following:

[0307] A1: Signal-to-Interference-Noise Ratio (SINR) or Signal-to-Noise Ratio (SNR);

[0308] A2: Reference Signal Received Power (RSRP);

[0309] A3: Channel Quality Indicator (CQI).

[0310] For the above item A1, it may specifically include at least one of the following:

[0311] L1-SINR / L1-SNR;

[0312] L3-SINR / L3-SNR.

[0313] Optionally, the SINR / SNR is SINR / SNR determined based on a channel estimation value, so that the quality of the channel estimation value can be determined based on the SINR / SNR.

[0314] Optionally, L1-SINR includes a linear average of a signal to noise ratio of a resource element (RE) carrying a reference signal. Optionally, the reference signal includes a first reference signal and / or a second reference signal. Optionally, L1-SNR includes a linear average of a signal to noise ratio of a resource element (RE) carrying a reference signal. Optionally, the reference signal includes a first reference signal and / or a second reference signal.

[0315] Optionally, L3-SINR / L3-SNR includes high-layer filtering L3-SINR / L3-SNR. It can be a high-layer filtering SINR / high-layer filtering SNR determined based on high-layer filtering of at least one L1-SINR / L1-SNR. High-layer filtering SINR / high-layer filtering SNR can also be expressed as high-layer SINR / high-layer SNR or filtering SINR / filtering SNR. For example, the reference signal is a periodic CSI-RS, and the terminal device can determine the high-layer filtering SINR / high-layer filtering SNR based on multiple periodic CSI-RS transmissions.

[0316] One way to obtain the high-level filtering SINR / high-level filtering SNR is to use the L3 filtering method. The L3 filtering method is as follows (L1-SINR / L1-SNR is the measurement quantity M in the following formula n ):

[0317] F n =(1-a)*F n-1 +a*M n ;

[0318] Where M n is the latest measurement result received from the physical layer, and n is an integer greater than or equal to 1; F n is the updated filtering measurement result (eg, high-level filtering SINR / high-level filtering SNR in this application); F n-1 is the last filtered measurement result, where F 0 Set to M 1 (i.e. the first measurement result received from the physical layer); for MeasObjectNR (NR measurement object), a=1 / 2 (ki / 4) , where k i a = 1 / 2 for all other measurements (k / 4) , where k is the filter coefficient of the corresponding measurement quantity received by quantityConfig (measurement quantity configuration); for the Universal Radio Access Frequency Division Duplex (UTRA-FDD) system, a = 1 / 2 (k / 4) , where k is the filter coefficient of the corresponding measurement quantity received in quantityConfigUTRA-FDD (UTRA-FDD measurement quantity configuration) in QuantityConfig (measurement quantity configuration).

[0319] Optionally, the SINR / SNR is SINR / SNR determined based on a precoding matrix or a channel matrix corresponding to the first CSI, so that the quality of the channel or precoding matrix corresponding to the CSI can be determined based on the SINR / SNR.

[0320] For the above item A2, it may specifically include at least one of the following:

[0321] L1-RSRP;

[0322] L3-RSRP.

[0323] Optionally, the RSRP is an RSRP determined based on a channel estimation value, so that the quality of the channel estimation value can be determined based on the RSRP.

[0324] Optionally, the RSRP is an RSRP determined based on the CSI, for example, an RSRP determined using the first CSI as a precoding matrix, so that the quality of the CSI can be determined based on the RSRP.

[0325] Optionally, L3-RSRP includes high-layer filtered L3-RSRP. It can be a high-layer filtered L3-RSRP determined based on high-layer filtering of at least one L3-RSRP. High-layer filtered L3-RSRP can also be expressed as high-layer L3-RSRP or filtered L3-RSRP. For example, the reference signal is a periodic CSI-RS, and the terminal device can determine the high-layer filtered L3-RSRP based on multiple periodic CSI-RS transmissions.

[0326] One way to obtain the high-level filtering L3-RSRP is to use the L3 filtering method. The L3 filtering method is as follows (L1-RSRP is the measurement quantity M in the following formula: n ):

[0327] F n =(1-a)*F n-1 +a*M n ;

[0328] Where M n is the latest measurement result received from the physical layer, and n is an integer greater than or equal to 1; F n is the updated filtered measurement result (such as the high-level filtered RSRP in this application); F n-1 is the last filtered measurement result, where F 0 Set to M 1 (i.e. the first measurement result received from the physical layer); for MeasObjectNR (NR measurement object), a=1 / 2 (ki / 4) , where k i a = 1 / 2 for all other measurements (k / 4) , where k is the filter coefficient of the corresponding measurement quantity received by quantityConfig (measurement quantity configuration); for the Universal Radio Access Frequency Division Duplex (UTRA-FDD) system, a = 1 / 2 (k / 4) , where k is the filter coefficient of the corresponding measurement quantity received in quantityConfigUTRA-FDD (UTRA-FDD measurement quantity configuration) in QuantityConfig (measurement quantity configuration).

[0329] For the above item A3, the above CQI may be a CQI determined based on the CSI, so that the quality of the CSI may be determined based on the CQI.

[0330] Optionally, the channel information includes information used to indicate that the channel corresponds to at least one of the following:

[0331] Delay spread; optionally, the delay spread of the channel corresponding to the CSI;

[0332] Angle expansion; optionally, an angle expansion of a channel corresponding to the CSI;

[0333] Average delay; optionally, the average delay of the channel corresponding to the CSI;

[0334] Doppler; optionally, the Doppler of the channel corresponding to the CSI;

[0335] Doppler spread; optionally, the Doppler spread of the channel corresponding to the CSI;

[0336] Mean Square Error (MSE); optionally, the MSE of the channel corresponding to the CSI, for example, the MSE between the measured value and the reported value of each resource element (RE);

[0337] Normalized Mean Square Error (NMSE); optionally, the NMSE of the channel corresponding to the CSI, for example, the NMSE between the measured value and the reported value of each RE;

[0338] a channel statistic, the channel statistic comprising a statistic obtained based on channel statistics of multiple time instants or multiple reference signals, optionally, the multiple time instants comprising transmission time instants of multiple first reference signals, the statistic comprising one or more of delay spread, angle spread, average delay, Doppler, and Doppler spread, and the multiple first reference signals may correspond to the same signal resource or different signal resources;

[0339] The distribution information of the channel, for example, the distribution type, mean, variance, etc. of the channel envelope. Another example is the probability distribution function (PDF) distribution corresponding to the channel.

[0340] Optionally, the quality level information includes at least one of the following:

[0341] Quality level of CSI;

[0342] The quality level of the channel estimation value corresponding to the CSI;

[0343] The quality level of the precoding matrix corresponding to the CSI.

[0344] As an optional implementation method, the first device and the second device pre-agree on a quality level division method. For example, the second device indicates a quality level table to the first device, the first device uses the first reference signal corresponding to the CSI to perform channel estimation, and based on the quality of the channel estimation value, determines the quality level of the channel estimation value corresponding to the CSI based on the quality level table. For another example, the second device indicates a quality level table to the first device, and the first device determines the quality level corresponding to the CSI based on the quality level table. For another example, the second device indicates a value range corresponding to multiple levels of quality to the first device, and the first device determines the quality level based on the value range.

[0345] Optionally, the error information includes at least one of the following:

[0346] Error information of CSI;

[0347] Error information of the channel or channel estimation value corresponding to the CSI;

[0348] The error information of the precoding matrix corresponding to the CSI.

[0349] Optionally, the above error information may also be referred to as deviation information.

[0350] Optionally, the error information includes at least one of the following:

[0351] B1: distance error;

[0352] B2: MSE, NMSE or Minimum Mean Square Error (MMSE);

[0353] B3: CQI error information;

[0354] B4: Error information of channel statistics.

[0355] For item B1 above:

[0356] Optionally, the distance error comprises an error in the Euclidean distance;

[0357] Optionally, the distance error may include a distance of the CSI relative to a reference CSI, where the reference CSI may be indicated by a base station or determined by a terminal. Optionally, the reference CSI is a statistic.

[0358] Optionally, the distance error is a distance between a channel estimation value corresponding to the CSI and a reference channel. The reference channel may be indicated by a base station or determined by a terminal. Optionally, the reference channel is a statistic.

[0359] Optionally, the distance error is the distance of the precoding matrix corresponding to the CSI relative to a reference distance. The reference matrix may be indicated by the base station or determined by the terminal. Optionally, the reference matrix is ​​a statistic.

[0360] For item B2 above:

[0361] Optionally, MSE / NMSE / MMSE is MSE / NMSE / MMSE corresponding to the CSI;

[0362] Optionally, MSE / NMSE / MMSE is the MSE / NMSE / MMSE of the precoding matrix corresponding to the CSI;

[0363] Optionally, MSE / NMSE / MMSE is the MSE / NMSE / MMSE of a channel (or a channel estimation value) corresponding to the CSI;

[0364] As an implementation manner, MSE / NMSE / MMSE is MSE / NMSE / MMSE determined based on channels (or channel estimation values) / CSI at multiple frequency domain positions;

[0365] As an implementation manner, MSE / NMSE / MMSE is MSE / NMSE / MMSE determined based on channels (or channel estimation values) / CSI at multiple time domain positions;

[0366] As an implementation manner, MSE / NMSE / MMSE is MSE / NMSE / MMSE determined based on channels (or channel estimation values) / CSI at multiple time domain and frequency domain locations;

[0367] Optionally, the MSE / NMSE / MMSE is the MSE / NMSE / MMSE between the measured value and the reported value at each time domain and / or frequency domain position. Optionally, the measured value and the reported value include but are not limited to: a channel estimation value, a precoding matrix and / or CSI, etc.

[0368] Optionally, the MSE / NMSE / MMSE is the MSE / NMSE / MMSE determined by the UE based on the CSI and multiple CSIs before and / or after the CSI;

[0369] Optionally, the MSE / NMSE / MMSE is the MSE / NMSE / MMSE determined by the UE based on the CSI and multiple channel estimation values ​​before and / or after the CSI;

[0370] Optionally, the above “before and / or after” is determined based on the transmission time of the CSI, or based on the calculation time of the CSI, or based on the sending or receiving time of the first reference signal corresponding to the CSI.

[0371] For item B4 above:

[0372] The error information of the channel statistic may be error information of one or more of the following statistics:

[0373] Delay spread;

[0374] Angle expansion;

[0375] Average delay;

[0376] Doppler;

[0377] Doppler expansion;

[0378] The distribution information of the channel includes, for example, the distribution type, mean, variance, etc. obeyed by the channel envelope; another example is the PDF distribution corresponding to the channel.

[0379] Optionally, the error information is error information determined based on one or more of a channel estimation value, reference signal information corresponding to the CSI, a UE position, a channel distribution, etc.

[0380] In an embodiment of the present application, the first device determines the first information corresponding to the channel state information CSI, and the first information is used to indicate one or more of the quality of the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI; based on the first information, it is determined whether to send CSI feedback information to the second device and / or the CSI feedback information to be sent to the second device. Therefore, through the above scheme, the first device can feedback high-quality CSI feedback information to the second device based on the first information or report CSI feedback information when the quality of CSI is high, thereby effectively avoiding the problem of resource waste caused by transmitting low-quality CSI, and can effectively guarantee the quality of the reported CSI feedback information.

[0381] Optionally, the first device determines the CSI feedback information to be sent to the second device based on the first information, including: the first device determines the format of the CSI feedback information, the content included, the parameters included, and some attributes of the parameters (such as whether it is related to the first information) based on the first information, and then sends the CSI feedback information to the second device.

[0382] Optionally, the first device determines the CSI feedback information to be sent to the second device based on the first information, including: the first device determines the CSI feedback information based on the configuration information of the first reference signal, at least one of the CSI feedback configurations corresponding to the first reference signal, and the first information. Optionally, the first device determines the CSI feedback information based on the configuration information of the first reference signal, at least one of the CSI feedback configurations corresponding to the first reference signal, and the first information, including: the first device determines the format of the CSI feedback information, the included content, the included parameters, and some attributes of the parameters (such as whether they are related to the first information), etc. based on the configuration information of the first reference signal, at least one of the CSI feedback configurations corresponding to the first reference signal, and the first information.

[0383] Optionally, the first device determines the format, content, parameters and some attributes of the parameters (such as whether they are related to the first information) of the CSI feedback information based on the configuration information of the first reference signal and at least one of the CSI feedback configurations corresponding to the first reference signal.

[0384] The information processing method of the present application is described below in conjunction with embodiments.

[0385] Embodiment 1 (this embodiment is described by taking the first reference signal as CSI-RS as an example):

[0386] (1) The base station sends CSI-RS to the UE;

[0387] (2) The UE determines the CSI based on the CSI-RS.

[0388] Optionally, the manner in which the UE determines the CSI based on the CSI-RS is: the UE performs channel estimation based on the CSI-RS to obtain a channel estimation value H, and the UE obtains the CSI based on H.

[0389] Optionally, the CSI includes one or more of the following:

[0390] Precoding matrix information;

[0391] Transmission layer information;

[0392] Channel matrix information.

[0393] Some UEs determine CSI based on the channel estimation value H in the following ways:

[0394] Mode 1: The UE determines one or more of the precoding matrix and the number of transmission layers based on H, and determines the CSI based on the precoding matrix and the number of transmission layers. One mode in which the UE determines the precoding matrix based on H is that the UE performs eigendecomposition based on H to obtain an eigenvector, and searches for the precoding matrix closest to the eigenvector in the codebook as the precoding matrix for determining the CSI. Another mode in which the UE determines the precoding matrix based on H is that the UE projects H onto some basis vectors and determines the precoding matrix based on the projection value.

[0395] Mode 2: The UE quantizes the channel estimation value H to obtain channel matrix information.

[0396] Optionally, the above CSI is ground-truth CSI.

[0397] (3) The UE determines first information corresponding to the CSI, where the first information is used to indicate one or more of the quality of the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI.

[0398] Optionally, the UE determines the first information corresponding to the CSI based on one or more of the configuration information of the CSI-RS and the reference signal sent by the base station. Optionally, the reference signal includes a positioning reference signal. Optionally, the reference signal is a CSI-RS. Optionally, the reference signal includes the CSI-RS (first reference signal) and / or other CSI-RS (second reference signal) in step 1 on the UE side.

[0399] In the embodiment of the present application, the first information corresponding to the CSI can be understood as the first information corresponding to the first reference signal.

[0400] Optionally, the first information corresponding to the CSI determined by the UE includes the first information corresponding to the CSI determined by the UE based on the first reference signal.

[0401] Optionally, the UE determines the first information corresponding to the CSI based on the first reference signal, including: the UE determines a channel estimation value based on the first reference signal (the channel estimation value may be in the form of one or more matrices), and determines the first information corresponding to the CSI based on the channel estimation value.

[0402] (4) The UE determines whether to send CSI feedback information to the second device and / or determines the CSI feedback information to be sent to the second device based on the first information.

[0403] The second device may be a management entity, for example, an entity that is dedicated to model training and / or model monitoring, etc. It may also be a base station, or a UE different from the aforementioned UE, etc.

[0404] The CSI feedback information is feedback information corresponding to the first reference signal or the CSI.

[0405] Optionally, the UE determines whether to send CSI feedback information to the second device and / or determines the CSI feedback information to be sent to the second device based on the first information and at least one of the following;

[0406] Configuration information of the first reference signal;

[0407] Location information;

[0408] Speed ​​information.

[0409] Taking the example of the UE determining whether to send CSI feedback information to the second device based on the first information and the configuration information of the first reference signal, a possible approach is: when the first information meets the first requirement (such as the second condition) and the configuration information of the first reference signal meets the second requirement, the CSI feedback information corresponding to the first reference signal is sent to the second device; otherwise, it is not sent.

[0410] Another possible method is: determining the requirements that the first information needs to meet based on the configuration information of the first reference signal, and when the first information meets the requirements (such as the second condition), sending CSI feedback information corresponding to the first reference signal to the second device; otherwise, not sending.

[0411] Another possible manner is: determining whether to send CSI feedback information corresponding to the first reference signal to the second device based on a combination of configuration information of the first reference signal and the first information.

[0412] Optionally, determining whether the first information meets a certain requirement includes: determining whether the first information meets a certain requirement based on the relative relationship between the first information and one or more thresholds / one or more reference quality information. For example, when the relative relationship between the first information and the first threshold / first reference quality information satisfies the first relationship, the requirement is not met. For another example, when the relative relationship between the first information and the second threshold / second reference quality information satisfies the second relationship, the requirement is met. Some examples about the first relationship: greater than; less than; greater than or equal to; less than or equal to. Some examples about the second relationship: greater than; less than; greater than or equal to; less than or equal to. Optionally, the first relationship and the second relationship are different relationships. Optionally, the first relationship and the second relationship are complementary relationships. For example, if the first relationship is less than or equal to, then the second relationship is greater than.

[0413] Optionally, the first threshold is pre-agreed upon by the second device and the first device (for example, sent by the second device to the first device, or sent by the first device to the second device, or agreed upon by a protocol) or determined by the first device itself;

[0414] Optionally, the second threshold is pre-agreed upon by the second device and the first device (for example, sent by the second device to the first device, or sent by the first device to the second device, or agreed upon by a protocol) or determined by the first device itself;

[0415] Optionally, the first threshold and the second threshold are the same threshold, that is, the value of the first threshold is equal to the value of the second threshold;

[0416] Optionally, the first reference quality information and the second reference quality information are the same quality information. Optionally, a value of the first reference quality information is the same as a value of the second reference quality information.

[0417] Optionally, the second reference quality information is quality information determined based on a second reference signal, and the second reference signal is configured by the base station or pre-agreed. Optionally, the time domain and / or frequency domain density of the second reference signal is higher than the time domain and / or frequency domain density of the first reference signal.

[0418] Optionally, the first reference quality information is quality information determined based on a third reference signal, and the third reference signal is configured by the base station or pre-agreed. Optionally, the time domain and / or frequency domain density of the third reference signal is higher than the time domain and / or frequency domain density of the first reference signal. Optionally, the third reference signal and the second reference signal are the same reference signal. Optionally, the third reference signal and the second reference signal are the same reference signal, or the same group of reference signals.

[0419] Optionally, the UE determines the CSI feedback information to be sent to the second device based on the first information, including: the UE determines whether the CSI feedback information sent to the second device includes CSI (or whether the CSI corresponding to the first reference signal is empty) based on the first information.

[0420] Optionally, the UE determines the CSI feedback information to be sent to the second device based on at least one of the configuration information, location information, and speed information of the first reference signal and the first information, including: the UE determines whether the CSI feedback information sent to the second device includes CSI based on at least one of the configuration information, location information, and speed information of the first reference signal and the first information. Some examples are similar to the determination of whether to send CSI feedback information to the second device in the foregoing text, and are not repeated here.

[0421] Optionally, the UE determines one or more of a codebook parameter, a codebook, and a payload size in the CSI feedback information based on the first information. Optionally, the codebook parameter is a codebook parameter corresponding to the CSI. Optionally, the codebook is a codebook corresponding to the CSI. Optionally, the payload is a payload corresponding to the CSI.

[0422] Some specific examples include: determining a level corresponding to the first information / a value range corresponding to the first information, and determining one or more of a codebook parameter, a codebook, and a load (payload) size corresponding to the CSI in the CSI feedback information based on the level / the value range corresponding to the first information. Optionally, the UE pre-stores a correspondence between the quality information level / the value range corresponding to the first information and one or more of a codebook parameter, a codebook, and a load (payload) size.

[0423] Optionally, the lower the level corresponding to the first information, the higher the codebook accuracy corresponding to the codebook / the codebook parameter, and the larger the payload, and vice versa.

[0424] Optionally, the UE determines one or more of a codebook parameter, a codebook, and a payload size based on the first information and one or more of the following;

[0425] Configuration information of the first reference signal;

[0426] Location information;

[0427] Speed ​​information.

[0428] Optionally, the CSI feedback information includes information (ie, second indication information) used to indicate one or more of the codebook parameter, codebook and payload size.

[0429] Optionally, there are two or more value ranges, and different value ranges correspond to different codebook parameters and / or payload sizes. The UE determines the codebook parameter and / or payload size based on the value range to which the first information belongs.

[0430] Optionally, the value range is determined based on one or more threshold values, and the threshold value is pre-agreed upon by the second device and the UE (for example, sent by the second device to the UE, or sent by the UE to the second device, or agreed upon by a protocol) or determined by the UE itself.

[0431] (5) The second device determines whether the UE has sent CSI feedback information and / or determines the CSI feedback information sent by the UE based on the configuration information of the first reference signal and / or the CSI feedback configuration corresponding to the first reference signal; or, the second device receives the CSI feedback information sent by the UE and determines the CSI based on the CSI feedback information.

[0432] Optionally, the second device determines the location where the UE sends CSI feedback based on the configuration information of the first reference signal and / or the CSI feedback configuration corresponding to the first reference signal, and the second device determines whether the UE has sent CSI feedback information at the location. A method for the second device to determine whether the UE has sent CSI feedback information at the location is: the second device detects CSI feedback information at the location, and if no CSI feedback information is detected, determines that the UE has not sent CSI feedback information; if CSI feedback information is detected, determines that the UE has sent CSI feedback information.

[0433] Optionally, the model in the embodiment of the present application includes an AI / ML model.

[0434] Based on the solution of the present application, after measuring the reference signal, the UE can decide whether to report the CSI corresponding to the CSI-RS and what to include in the CSI report according to the signal quality. On the one hand, it can avoid the second device using CSI of poor quality for performance monitoring or model training, thereby improving the performance monitoring accuracy / model performance. On the other hand, it can avoid the waste of resources caused by reporting CSI of poor quality.

[0435] The model in the embodiment of the present application includes but is not limited to an AI model, an ML model, a neural network model, a data-driven technology model, etc. In the embodiment of the present application, it is referred to as an AI / ML model, an AI model, etc. The model may be a model deployed on a first device or a model deployed on a second device. The model may be deployed on a UE or a network device, etc.

[0436] like Figure 5 As shown, the embodiment of the present application also provides an information processing method, including:

[0437] Step 501: Determine CSI feedback information and / or whether CSI feedback information exists based on configuration information of a first reference signal, a CSI feedback configuration corresponding to the first reference signal, and / or first information;

[0438] The first information is used to indicate one or more of the quality of the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI.

[0439] Optionally, the second device may be a base station, or a network device such as a management entity other than a base station. For example, it may be an entity that performs functions such as model training and / or model monitoring. It may also be a base station, or a UE other than the aforementioned UE, or a server. Optionally, the second device is a server that has functions such as model training, model monitoring, and / or data collection.

[0440] In an embodiment of the present application, optionally, the second device determines the CSI feedback information based on the configuration information of the first reference signal, the CSI feedback configuration corresponding to the first reference signal and / or the first information, including the format of the CSI feedback information, the included content, the included parameters, and some attributes of the parameters (such as whether they are related to the first information), etc. determined by the second device based on the configuration information of the first reference signal, the CSI feedback configuration corresponding to the first reference signal and / or the first information.

[0441] Optionally, the second device determines whether there is CSI feedback information based on the configuration information of the first reference signal and the CSI feedback configuration corresponding to the first reference signal, including: the second device determines the location where the UE sends CSI feedback based on the configuration information of the first reference signal and / or the CSI feedback configuration corresponding to the first reference signal, and the second device determines whether the UE has sent CSI feedback information at the location. A method for the second device to determine whether the UE has sent CSI feedback information at the location is: the second device detects CSI feedback information at the location, and if no CSI feedback information is detected, it is determined that the UE has not sent CSI feedback information; if CSI feedback information is detected, it is determined that the UE has sent CSI feedback information.

[0442] Optionally, the CSI feedback information includes CSI feedback information corresponding to the CSI.

[0443] Optionally, the CSI feedback information includes channel information.

[0444] Optionally, the CSI feedback information includes one or more of the following:

[0445] Channel Quality Indicator (CQI);

[0446] Precoding Matrix Indicator (PMI);

[0447] CSI-RS Resource Indicator (CRI);

[0448] SS / PBCH Block Resource Indicator (SSBRI);

[0449] Layer Indicator (LI);

[0450] Rank Indicator (RI);

[0451] Layer 1 Reference Signal Received Quality (L1-RSRP);

[0452] Layer 1 Signal to Interference Plus Noise Ratio (L1-SINR);

[0453] Capability Set Index;

[0454] Codebook parameter indication information;

[0455] Codebook indication information;

[0456] Payload size indication information.

[0457] Optionally, the CSI feedback information includes at least one of the following:

[0458] Codebook parameter, optionally, the codebook parameter is a codebook parameter corresponding to the CSI;

[0459] A codebook, wherein optionally, the codebook is a codebook corresponding to the CSI;

[0460] Load size, optionally, the load size is the load size corresponding to the CSI.

[0461] Optionally, the method of the embodiment of the present application further includes:

[0462] First information sent by a first device is obtained.

[0463] Optionally, the first information is configuration information of the first reference signal and / or first information corresponding to a CSI feedback configuration corresponding to the first reference signal.

[0464] Optionally, determining, based on the first information, CSI feedback information and / or whether CSI feedback information exists includes:

[0465] If the first information satisfies a first condition, determining that there is no CSI feedback information or determining that the CSI feedback information does not include the CSI corresponding to the first information;

[0466] When the first information satisfies the second condition, it is determined that there is CSI feedback information or it is determined that the CSI feedback information includes CSI corresponding to the first information.

[0467] Optionally, the CSI feedback information includes first indication information, and the first indication information is used to indicate whether the CSI feedback information includes the CSI.

[0468] Optionally, the first information satisfies the second condition including: the first information does not satisfy the first condition.

[0469] Optionally, the first condition includes:

[0470] The relative relationship between the first information and the first threshold or the first reference quality information satisfies a first relationship;

[0471] And / or, the second condition includes:

[0472] The relative relationship between the first information and the second threshold or the second reference quality information satisfies the second relationship.

[0473] For example, the first relationship may be greater than, less than, greater than or equal to, less than or equal to;

[0474] The second relationship may be greater than, less than, greater than or equal to, or less than or equal to;

[0475] Optionally, the first relationship and the second relationship are different relationships.

[0476] Optionally, the first relationship and the second relationship are complementary relationships, for example, the first relationship is less than or equal to a threshold value or reference quality information, and the second relationship is greater than the threshold value or reference quality information.

[0477] Optionally, the first threshold is pre-agreed upon by the second device and the first device (for example, sent by the second device to the first device, or sent by the first device to the second device, or agreed upon by a protocol) or determined by the first device itself.

[0478] Optionally, the second threshold is pre-agreed upon by the second device and the first device (for example, sent by the second device to the first device, or sent by the first device to the second device, or agreed upon by a protocol) or determined by the first device itself.

[0479] Optionally, the first threshold and the second threshold are the same threshold, that is, the value of the first threshold is equal to the value of the second threshold.

[0480] Optionally, the first reference quality information and the second reference quality information are the same quality information. Optionally, a value of the first reference quality information is the same as a value of the second reference quality information.

[0481] The first condition and the second condition have been described in detail in the method embodiment on the first device side and will not be repeated here.

[0482] Optionally, determining CSI feedback information and / or whether CSI feedback information exists based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, and / or the first information includes:

[0483] Determine CSI feedback information and / or whether CSI feedback information exists based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, at least one of the first information, and a second parameter;

[0484] The second parameter includes at least one of the following:

[0485] The location information of the first device; optionally, the location information includes the absolute location of the first device or the relative location of the first device;

[0486] The speed information of the first device. The speed information is information used to indicate the speed of the first device. Optionally, the speed information is an index information. The speed of the first device can be determined by looking up a table or looking up a corresponding relationship based on the speed information of the first device. Optionally, the speed information can be information related to Doppler and / or information related to the time domain, etc.

[0487] In the embodiment of the present application, the above-mentioned location information is information used to indicate the location of the first device. The second device can determine the location of the first device based on the location information of the first device. For example, the location information of the first device includes one or more of the following:

[0488] Reference signal time difference (RSTD);

[0489] Reference signal received power RSRP;

[0490] Relative Time Difference (RTD), which indicates the delay difference between the multipaths of the measurement cell. For example, if P paths are detected, P-1 RTDs may be reported. The value of P may be configured by the network side. The second device may locate the first device based on the RTD.

[0491] SNR or SINR;

[0492] The time difference between sending and receiving of the first device;

[0493] Time of Arrival (TOA) measurement;

[0494] Positioning reference signal PRS resource ID or PRS resource set ID;

[0495] Angle information;

[0496] a timestamp associated with the measurement value of the first device, optionally comprising a system frame number and / or a time slot number;

[0497] Position index. The above position information and speed information have been described in detail in the method embodiment on the terminal side, and will not be repeated here.

[0498] Optionally, determining the CSI feedback information based on the configuration information of the first reference signal, the CSI feedback configuration corresponding to the first reference signal, at least one of the first information, and the second parameter includes:

[0499] At least one of a codebook parameter, a codebook, and a load size in the CSI feedback information is determined based on the configuration information of the first reference signal, the CSI feedback configuration corresponding to the first reference signal, at least one of the first information, and the second parameter.

[0500] Optionally, the codebook parameter, codebook and / or load size are codebook parameters, codebook and / or load size corresponding to the CSI.

[0501] Optionally, the codebook parameter, codebook and / or load size are codebook parameters, codebook and / or load size corresponding to the CSI. Optionally, the configuration information of the first reference signal includes configuration information of resources of the first reference signal and / or configuration information of a resource set of the first reference signal.

[0502] Some examples of configuration information about resources of the first reference signal and / or configuration information about the resource set of the first reference signal include one or more of the following information about resources of the first reference signal and / or the resource set of the first reference signal:

[0503] Number of antenna ports;

[0504] Time domain density;

[0505] Frequency domain density;

[0506] cycle;

[0507] Power information;

[0508] pattern.

[0509] Optionally, the pattern is a transmission pattern of resources in a time slot and / or PRB.

[0510] Optionally, the CSI feedback information includes second indication information, where the second indication information is used to indicate at least one of a codebook parameter, a codebook, and a load size.

[0511] Optionally, the method of the embodiment of the present application further includes at least one of the following:

[0512] Sending a first reference signal and / or a second reference signal;

[0513] Send configuration information of a first reference signal.

[0514] Optionally, when the second device is a base station, the first reference signal and / or the second reference signal are sent; and / or configuration information of the first reference signal is sent.

[0515] Optionally, the first information includes at least one of the following:

[0516] Channel quality information;

[0517] Channel information;

[0518] Quality grade information;

[0519] Error information.

[0520] Optionally, the channel quality information includes at least one of the following:

[0521] A1: Signal-to-Interference-Noise Ratio (SINR) or Signal-to-Noise Ratio (SNR);

[0522] A2: Reference Signal Received Power (RSRP);

[0523] A3: Channel Quality Indicator (CQI).

[0524] For the above item A1, it may specifically include at least one of the following:

[0525] L1-SINR / L1-SNR;

[0526] L3-SINR / L3-SNR.

[0527] Optionally, the SINR / SNR is SINR / SNR determined based on a channel estimation value, so that the quality of the channel estimation value can be determined based on the SINR / SNR.

[0528] Optionally, L1-SINR includes a linear average of a signal to noise ratio of a resource element (RE) carrying a reference signal. Optionally, the reference signal includes a first reference signal and / or a second reference signal. Optionally, L1-SNR includes a linear average of a signal to noise ratio of a resource element (RE) carrying a reference signal. Optionally, the reference signal includes a first reference signal and / or a second reference signal.

[0529] Optionally, L3-SINR / L3-SNR includes high-layer filtering L3-SINR / L3-SNR. It can be a high-layer filtering SINR / high-layer filtering SNR determined based on high-layer filtering of at least one L1-SINR / L1-SNR. High-layer filtering SINR / high-layer filtering SNR can also be expressed as high-layer SINR / high-layer SNR or filtering SINR / filtering SNR. For example, the reference signal is a periodic CSI-RS, and the terminal device can determine the high-layer filtering SINR / high-layer filtering SNR based on multiple periodic CSI-RS transmissions.

[0530] One way to obtain the high-level filtering SINR / high-level filtering SNR is to use the L3 filtering method. The L3 filtering method is as follows (L1-SINR / L1-SNR is the measurement quantity M in the following formula n ):

[0531] F n =(1-a)*F n-1 +a*M n ;

[0532] Where M n is the latest measurement result received from the physical layer, and n is an integer greater than or equal to 1; F n is the updated filtering measurement result (eg, high-level filtering SINR / high-level filtering SNR in this application); F n-1 is the last filtered measurement result, where F 0 Set to M 1 (i.e. the first measurement result received from the physical layer); for MeasObjectNR (NR measurement object), a=1 / 2 (ki / 4) , where k i a = 1 / 2 for all other measurements (k / 4), where k is the filter coefficient of the corresponding measurement quantity received by quantityConfig (measurement quantity configuration); for the Universal Radio Access Frequency Division Duplex (UTRA-FDD) system, a = 1 / 2 (k / 4) , where k is the filter coefficient of the corresponding measurement quantity received in quantityConfigUTRA-FDD (UTRA-FDD measurement quantity configuration) in QuantityConfig (measurement quantity configuration).

[0533] Optionally, the SINR / SNR is SINR / SNR determined based on a precoding matrix or a channel matrix corresponding to the first CSI, so that the quality of the channel or precoding matrix corresponding to the CSI can be determined based on the SINR / SNR.

[0534] For the above item A2, it may specifically include at least one of the following:

[0535] L1-RSRP;

[0536] L3-RSRP.

[0537] Optionally, the RSRP is an RSRP determined based on a channel estimation value, so that the quality of the channel estimation value can be determined based on the RSRP.

[0538] Optionally, the RSRP is an RSRP determined based on the CSI, for example, an RSRP determined using the first CSI as a precoding matrix, so that the quality of the CSI can be determined based on the RSRP.

[0539] Optionally, L3-RSRP includes high-layer filtered L3-RSRP. It can be a high-layer filtered L3-RSRP determined based on high-layer filtering of at least one L3-RSRP. High-layer filtered L3-RSRP can also be expressed as high-layer L3-RSRP or filtered L3-RSRP. For example, the reference signal is a periodic CSI-RS, and the terminal device can determine the high-layer filtered L3-RSRP based on multiple periodic CSI-RS transmissions.

[0540] One way to obtain the high-level filtering L3-RSRP is to use the L3 filtering method. The L3 filtering method is as follows (L1-RSRP is the measurement quantity M in the following formula: n ):

[0541] F n =(1-a)*F n-1 +a*M n ;

[0542] Where M n is the latest measurement result received from the physical layer, and n is an integer greater than or equal to 1; F nis the updated filtered measurement result (such as the high-level filtered RSRP in this application); F n-1 is the last filtered measurement result, where F 0 Set to M 1 (i.e. the first measurement result received from the physical layer); for MeasObjectNR (NR measurement object), a=1 / 2 (ki / 4) , where k i a = 1 / 2 for all other measurements (k / 4) , where k is the filter coefficient of the corresponding measurement quantity received by quantityConfig (measurement quantity configuration); for the Universal Radio Access Frequency Division Duplex (UTRA-FDD) system, a = 1 / 2 (k / 4) , where k is the filter coefficient of the corresponding measurement quantity received in quantityConfigUTRA-FDD (UTRA-FDD measurement quantity configuration) in QuantityConfig (measurement quantity configuration).

[0543] For the above item A3, the above CQI may be a CQI determined based on the CSI, so that the quality of the CSI may be determined based on the CQI.

[0544] Optionally, the channel information includes information used to indicate that the channel corresponds to at least one of the following:

[0545] Delay spread; optionally, the delay spread of the channel corresponding to the CSI;

[0546] Angle expansion; optionally, an angle expansion of a channel corresponding to the CSI;

[0547] Average delay; optionally, the average delay of the channel corresponding to the CSI;

[0548] Doppler; optionally, the Doppler of the channel corresponding to the CSI;

[0549] Doppler spread; optionally, the Doppler spread of the channel corresponding to the CSI;

[0550] Mean Square Error (MSE); optionally, the MSE of the channel corresponding to the CSI, for example, the MSE between the measured value and the reported value of each resource element (RE);

[0551] Normalized Mean Square Error (NMSE); optionally, the NMSE of the channel corresponding to the CSI, for example, the NMSE between the measured value and the reported value of each RE;

[0552] a channel statistic, the channel statistic comprising a statistic obtained based on channel statistics of multiple time instants or multiple reference signals, optionally, the multiple time instants comprising transmission time instants of multiple first reference signals, the statistic comprising one or more of delay spread, angle spread, average delay, Doppler, and Doppler spread, and the multiple first reference signals may correspond to the same signal resource or different signal resources;

[0553] The distribution information of the channel, for example, the distribution type, mean, variance, etc. of the channel envelope. Another example is the probability distribution function (PDF) distribution corresponding to the channel.

[0554] Optionally, the quality level information includes at least one of the following:

[0555] Quality level of CSI;

[0556] The quality level of the channel estimation value corresponding to the CSI;

[0557] The quality level of the precoding matrix corresponding to the CSI.

[0558] As an optional implementation method, the first device and the second device pre-agree on a quality level division method. For example, the second device indicates a quality level table to the first device, the first device uses the first reference signal corresponding to the CSI to perform channel estimation, and based on the quality of the channel estimation value, determines the quality level of the channel estimation value corresponding to the CSI based on the quality level table. For another example, the second device indicates a quality level table to the first device, and the first device determines the quality level corresponding to the CSI based on the quality level table. For another example, the second device indicates a value range corresponding to multiple levels of quality to the first device, and the first device determines the quality level based on the value range.

[0559] Optionally, the error information includes at least one of the following:

[0560] Error information of CSI;

[0561] Error information of the channel or channel estimation value corresponding to the CSI;

[0562] The error information of the precoding matrix corresponding to the CSI.

[0563] Optionally, the above error information may also be referred to as deviation information.

[0564] Optionally, the error information includes at least one of the following:

[0565] B1: distance error;

[0566] B2: MSE, NMSE or Minimum Mean Square Error (MMSE);

[0567] B3: CQI error information;

[0568] B4: Error information of channel statistics.

[0569] For item B1 above:

[0570] Optionally, the distance error comprises an error in the Euclidean distance;

[0571] Optionally, the distance error may include a distance of the CSI relative to a reference CSI, where the reference CSI may be indicated by a base station or determined by a terminal. Optionally, the reference CSI is a statistic.

[0572] Optionally, the distance error is a distance between a channel estimation value corresponding to the CSI and a reference channel. The reference channel may be indicated by a base station or determined by a terminal. Optionally, the reference channel is a statistic.

[0573] Optionally, the distance error is the distance of the precoding matrix corresponding to the CSI relative to a reference distance. The reference matrix may be indicated by the base station or determined by the terminal. Optionally, the reference matrix is ​​a statistic.

[0574] For item B2 above:

[0575] Optionally, MSE / NMSE / MMSE is MSE / NMSE / MMSE corresponding to the CSI;

[0576] Optionally, MSE / NMSE / MMSE is the MSE / NMSE / MMSE of the precoding matrix corresponding to the CSI;

[0577] Optionally, MSE / NMSE / MMSE is the MSE / NMSE / MMSE of a channel (or a channel estimation value) corresponding to the CSI;

[0578] As an implementation manner, MSE / NMSE / MMSE is MSE / NMSE / MMSE determined based on channels (or channel estimation values) / CSI at multiple frequency domain positions;

[0579] As an implementation manner, MSE / NMSE / MMSE is MSE / NMSE / MMSE determined based on channels (or channel estimation values) / CSI at multiple time domain positions;

[0580] As an implementation manner, MSE / NMSE / MMSE is MSE / NMSE / MMSE determined based on channels (or channel estimation values) / CSI at multiple time domain and frequency domain locations;

[0581] Optionally, the MSE / NMSE / MMSE is the MSE / NMSE / MMSE between the measured value and the reported value at each time domain and / or frequency domain position. Optionally, the measured value and the reported value include but are not limited to: a channel estimation value, a precoding matrix and / or CSI, etc.

[0582] Optionally, the MSE / NMSE / MMSE is the MSE / NMSE / MMSE determined by the UE based on the CSI and multiple CSIs before and / or after the CSI;

[0583] Optionally, the MSE / NMSE / MMSE is the MSE / NMSE / MMSE determined by the UE based on the CSI and multiple channel estimation values ​​before and / or after the CSI;

[0584] Optionally, the above “before and / or after” is determined based on the transmission time of the CSI, or based on the calculation time of the CSI, or based on the sending or receiving time of the first reference signal corresponding to the CSI.

[0585] For item B4 above:

[0586] The error information of the channel statistic may be error information of one or more of the following statistics:

[0587] Delay spread;

[0588] Angle expansion;

[0589] Average delay;

[0590] Doppler;

[0591] Doppler expansion;

[0592] The distribution information of the channel includes, for example, the distribution type, mean, variance, etc. obeyed by the channel envelope; another example is the PDF distribution corresponding to the channel.

[0593] Optionally, the error information is error information determined based on one or more of a channel estimation value, reference signal information corresponding to the CSI, a UE position, a channel distribution, etc.

[0594] The first information has been described in detail in the method embodiment on the first device side and will not be repeated here.

[0595] In the embodiment of the present application, the CSI feedback information and / or whether there is CSI feedback information is determined based on the configuration information of the first reference signal, the CSI feedback configuration corresponding to the first reference signal and / or the first information. On the one hand, it can avoid the second device from using the poor quality CSI for performance monitoring or model training, thereby improving the performance monitoring accuracy / model performance, and on the other hand, it can avoid the waste of resources caused by reporting the poor quality CSI.

[0596] It should be noted that the information processing method executed by the second device is a method corresponding to the information processing method executed by the above-mentioned first device. The specific interaction process between the two has been described in detail in the embodiment on the first device side and will not be repeated here.

[0597] like Figure 6 As shown, an embodiment of the present application provides an information processing apparatus, which is applied to a first device and includes a memory 620, a transceiver 600, and a processor 610;

[0598] The memory 620 is used to store computer programs; the transceiver 600 is used to send and receive data under the control of the processor 610; the processor 610 is used to read the computer program in the memory 620 and perform the following operations:

[0599] Determine first information corresponding to channel state information CSI, where the first information is used to indicate one or more of a quality of the CSI, a quality of a channel or a channel estimation value corresponding to the CSI, and a quality of a precoding matrix corresponding to the CSI;

[0600] Based on the first information, determine whether to send CSI feedback information to the second device and / or determine the CSI feedback information to send to the second device.

[0601] Among them, Figure 6 In the embodiment, the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 610 and various circuits of memory represented by memory 620 are linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and are therefore not further described herein. The bus interface provides an interface. The transceiver 600 may be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, including wireless channels, wired channels, optical cables, and other transmission media. For different user devices, the user interface 630 may also be an interface capable of externally and internally connecting required devices, and the connected devices include but are not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.

[0602] The processor 610 is responsible for managing the bus architecture and general processing, and the memory 620 can store data used by the processor 610 when performing operations.

[0603] Optionally, the processor 610 may be a CPU (central processing unit), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array) or a CPLD (Complex Programmable Logic Device), and the processor may also adopt a multi-core architecture.

[0604] The processor calls the computer program stored in the memory to execute any of the methods provided in the embodiments of the present application according to the obtained executable instructions. The processor and the memory can also be arranged physically separately.

[0605] Optionally, the processor further performs the following operations:

[0606] receiving a first reference signal;

[0607] The CSI is determined based on a first reference signal.

[0608] Optionally, the processor further performs the following operations:

[0609] First information corresponding to the CSI is determined based on configuration information of the first reference signal and / or the second reference signal.

[0610] Optionally, the processor further performs the following operations:

[0611] If the first information satisfies the first condition, not sending CSI feedback information to the second device or determining that the CSI feedback information sent to the second device does not include the CSI;

[0612] When the first information satisfies the second condition, it is determined to send CSI feedback information to the second device or it is determined that the CSI feedback information sent to the second device includes the CSI.

[0613] Optionally, the CSI feedback information includes first indication information, and the first indication information is used to indicate whether the CSI feedback information includes the CSI.

[0614] Optionally, the first condition includes:

[0615] The relative relationship between the first information and the first threshold or the first reference quality information satisfies a first relationship;

[0616] And / or, the second condition includes:

[0617] The relative relationship between the first information and the second threshold or the second reference quality information satisfies the second relationship.

[0618] Optionally, the processor further performs the following operations:

[0619] Determining, based on the first information, CSI feedback information to be sent to the second device includes:

[0620] Based on the first information, at least one of a codebook parameter, a codebook, and a load size in the CSI feedback information is determined.

[0621] Optionally, the processor further performs the following operations:

[0622] Based on the first information and the first parameter, determining whether to send CSI feedback information to the second device and / or determining the CSI feedback information to be sent to the second device;

[0623] The first parameter includes at least one of the following:

[0624] Configuration information of a first reference signal, wherein the first reference signal is a reference signal used to determine the CSI;

[0625] location information of the first device;

[0626] Speed ​​information of the first device.

[0627] Optionally, the processor further performs the following operations:

[0628] At least one of a codebook parameter, a codebook, and a load size in the CSI feedback information is determined based on the first information and the first parameter.

[0629] Optionally, the CSI feedback information includes second indication information, where the second indication information is used to indicate at least one of a codebook parameter, a codebook, and a load size.

[0630] Optionally, the processor further performs the following operations:

[0631] The first information is sent.

[0632] Optionally, the first information includes at least one of the following:

[0633] Channel quality information;

[0634] Channel information;

[0635] Quality grade information;

[0636] Error information.

[0637] Optionally, the channel quality information includes at least one of the following:

[0638] Signal to Interference and Noise Ratio SINR or Signal to Noise Ratio SNR;

[0639] Reference signal received power RSRP;

[0640] Channel quality indication CQI.

[0641] Optionally, the channel information includes information used to indicate that the channel corresponds to at least one of the following:

[0642] Delay spread;

[0643] Angle expansion;

[0644] Average delay;

[0645] Doppler;

[0646] Doppler expansion;

[0647] Mean square error (MSE);

[0648] Normalized mean square error NMSE;

[0649] Channel statistics;

[0650] Channel distribution information.

[0651] Optionally, the error information includes at least one of the following:

[0652] Error information of CSI;

[0653] Error information of the channel or channel estimation value corresponding to the CSI;

[0654] The error information of the precoding matrix corresponding to the CSI.

[0655] Optionally, the error information includes at least one of the following:

[0656] Distance error;

[0657] MSE, NMSE or minimum mean square error MMSE;

[0658] CQI error information;

[0659] Error information of channel statistics.

[0660] Optionally, the CSI feedback information includes CSI feedback information corresponding to the CSI.

[0661] It should be noted here that the above-mentioned device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned information processing method embodiment applied to the first device, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.

[0662] like Figure 7 As shown, the embodiment of the present application further provides an information processing device, including a memory 720, a transceiver 700, and a processor 710;

[0663] The memory 720 is used to store computer programs; the transceiver 700 is used to send and receive data under the control of the processor; the processor 710 is used to read the computer program in the memory and perform the following operations:

[0664] Determine CSI feedback information and / or whether CSI feedback information exists based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, and / or the first information;

[0665] The first information is used to indicate one or more of the quality of the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI.

[0666] Among them, Figure 7 In the embodiment, the bus architecture may include any number of interconnected buses and bridges, specifically linking together various circuits of one or more processors represented by processor 710 and memory represented by memory 720. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and are therefore not further described herein. The bus interface provides an interface. The transceiver 700 may be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, which may include a wireless channel, a wired channel, an optical cable, and other transmission media. The processor 710 is responsible for managing the bus architecture and general processing, and the memory 720 may store data used by the processor 710 when performing operations.

[0667] The processor 710 may be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (CPLD). The processor may also adopt a multi-core architecture.

[0668] Optionally, the CSI feedback information includes at least one of the following:

[0669] Codebook parameters;

[0670] Codebook;

[0671] Load size.

[0672] Optionally, the processor further performs the following operations:

[0673] First information sent by a first device is obtained.

[0674] Optionally, the first information is configuration information of the first reference signal and / or first information corresponding to a CSI feedback configuration corresponding to the first reference signal.

[0675] Optionally, the processor further performs the following operations:

[0676] If the first information satisfies a first condition, determining that there is no CSI feedback information or determining that the CSI feedback information does not include the CSI corresponding to the first information;

[0677] When the first information satisfies the second condition, it is determined that there is CSI feedback information or it is determined that the CSI feedback information includes CSI corresponding to the first information.

[0678] Optionally, the CSI feedback information includes first indication information, and the first indication information is used to indicate whether the CSI feedback information includes the CSI.

[0679] Optionally, the first condition includes:

[0680] The relative relationship between the first information and the first threshold or the first reference quality information satisfies a first relationship;

[0681] And / or, the second condition includes:

[0682] The relative relationship between the first information and the second threshold or the second reference quality information satisfies the second relationship.

[0683] Optionally, determining CSI feedback information and / or whether CSI feedback information exists based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, and / or the first information includes:

[0684] Determine CSI feedback information and / or whether CSI feedback information exists based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, at least one of the first information, and a second parameter;

[0685] The second parameter includes at least one of the following:

[0686] location information of the first device;

[0687] Speed ​​information of the first device.

[0688] Optionally, the processor further performs the following operations:

[0689] At least one of a codebook parameter, a codebook, and a load size in the CSI feedback information is determined based on the configuration information of the first reference signal, the CSI feedback configuration corresponding to the first reference signal, at least one of the first information, and the second parameter.

[0690] Optionally, the CSI feedback information includes second indication information, where the second indication information is used to indicate at least one of a codebook parameter, a codebook, and a load size.

[0691] Optionally, the processor further performs at least one of the following operations:

[0692] Sending a first reference signal and / or a second reference signal;

[0693] Send configuration information of a first reference signal.

[0694] Optionally, the first information includes at least one of the following:

[0695] Channel quality information;

[0696] Channel information;

[0697] Quality grade information;

[0698] Error information.

[0699] Optionally, the channel quality information includes at least one of the following:

[0700] Signal to Interference and Noise Ratio SINR or Signal to Noise Ratio SNR;

[0701] Reference signal received power RSRP;

[0702] Channel quality indication CQI.

[0703] Optionally, the channel information includes information for indicating that the channel corresponds to at least one of the following: delay spread;

[0704] Angle expansion;

[0705] Average delay;

[0706] Doppler;

[0707] Doppler expansion;

[0708] Mean square error (MSE);

[0709] Normalized mean square error NMSE;

[0710] Channel statistics;

[0711] Channel distribution information.

[0712] Optionally, the error information includes at least one of the following:

[0713] Error information of CSI;

[0714] Error information of the channel or channel estimation value corresponding to the CSI;

[0715] The error information of the precoding matrix corresponding to the CSI.

[0716] Optionally, the error information includes at least one of the following:

[0717] Distance error;

[0718] MSE, NMSE or minimum mean square error MMSE;

[0719] CQI error information;

[0720] Error information of channel statistics.

[0721] Optionally, the CSI feedback information includes CSI feedback information corresponding to the CSI.

[0722] It should be noted here that the above-mentioned device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned information processing method embodiment applied to the second device, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.

[0723] like Figure 8 As shown, the embodiment of the present application also provides an information processing device, including:

[0724] A first determining unit 801 is configured to determine first information corresponding to channel state information CSI, where the first information is used to indicate one or more of the quality of the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI;

[0725] The second determining unit 802 is configured to determine whether to send CSI feedback information to the second device and / or determine the CSI feedback information to be sent to the second device based on the first information.

[0726] Optionally, the device of the embodiment of the present application further includes:

[0727] A first receiving unit, configured to receive a first reference signal;

[0728] The fourth determining unit is configured to determine the CSI based on the first reference signal.

[0729] Optionally, the fourth determination unit is used to determine first information corresponding to the CSI based on configuration information of the first reference signal and / or the second reference signal.

[0730] Optionally, the second determining unit is used to:

[0731] If the first information satisfies the first condition, not sending CSI feedback information to the second device or determining that the CSI feedback information sent to the second device does not include the CSI;

[0732] When the first information satisfies the second condition, it is determined to send CSI feedback information to the second device or it is determined that the CSI feedback information sent to the second device includes the CSI.

[0733] Optionally, the CSI feedback information includes first indication information, and the first indication information is used to indicate whether the CSI feedback information includes the CSI.

[0734] Optionally, the first condition includes:

[0735] The relative relationship between the first information and the first threshold or the first reference quality information satisfies a first relationship;

[0736] And / or, the second condition includes:

[0737] The relative relationship between the first information and the second threshold or the second reference quality information satisfies the second relationship.

[0738] Optionally, the second determining unit is used to:

[0739] Based on the first information, at least one of a codebook parameter, a codebook, and a load size in the CSI feedback information is determined.

[0740] Optionally, the second determining unit is used to:

[0741] Based on the first information and the first parameter, determining whether to send CSI feedback information to the second device and / or determining the CSI feedback information to be sent to the second device;

[0742] The first parameter includes at least one of the following:

[0743] Configuration information of a first reference signal, wherein the first reference signal is a reference signal used to determine the CSI;

[0744] location information of the first device;

[0745] Speed ​​information of the first device.

[0746] Optionally, the second determining unit is used to:

[0747] At least one of a codebook parameter, a codebook, and a load size in the CSI feedback information is determined based on the first information and the first parameter.

[0748] Optionally, the CSI feedback information includes second indication information, where the second indication information is used to indicate at least one of a codebook parameter, a codebook, and a load size.

[0749] Optionally, the device of the embodiment of the present application further includes:

[0750] The first sending unit is used to send the first information.

[0751] Optionally, the first information includes at least one of the following:

[0752] Channel quality information;

[0753] Channel information;

[0754] Quality grade information;

[0755] Error information.

[0756] Optionally, the channel quality information includes at least one of the following:

[0757] Signal to Interference and Noise Ratio SINR or Signal to Noise Ratio SNR;

[0758] Reference signal received power RSRP;

[0759] Channel quality indication CQI.

[0760] Optionally, the channel information includes information used to indicate that the channel corresponds to at least one of the following:

[0761] Delay spread;

[0762] Angle expansion;

[0763] Average delay;

[0764] Doppler;

[0765] Doppler expansion;

[0766] Mean square error (MSE);

[0767] Normalized mean square error NMSE;

[0768] Channel statistics;

[0769] Channel distribution information.

[0770] Optionally, the error information includes at least one of the following:

[0771] Error information of CSI;

[0772] Error information of the channel or channel estimation value corresponding to the CSI;

[0773] The error information of the precoding matrix corresponding to the CSI.

[0774] Optionally, the error information includes at least one of the following:

[0775] Distance error;

[0776] MSE, NMSE or minimum mean square error MMSE;

[0777] CQI error information;

[0778] Error information of channel statistics.

[0779] Optionally, the CSI feedback information includes CSI feedback information corresponding to the CSI.

[0780] It should be noted here that the above-mentioned device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned information processing method embodiment applied to the first device, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.

[0781] like Fig. 9 As shown, the embodiment of the present application also provides an information processing device, including:

[0782] The third determining unit 901 is configured to determine CSI feedback information and / or whether CSI feedback information exists based on the configuration information of the first reference signal, the CSI feedback configuration corresponding to the first reference signal and / or the first information;

[0783] The first information is used to indicate one or more of the quality of the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI.

[0784] Optionally, the CSI feedback information includes at least one of the following:

[0785] Codebook parameters;

[0786] Codebook;

[0787] Load size.

[0788] Optionally, the device of the embodiment of the present application further includes:

[0789] The acquiring unit is used to acquire the first information sent by the first device.

[0790] Optionally, the first information is configuration information of the first reference signal and / or first information corresponding to a CSI feedback configuration corresponding to the first reference signal.

[0791] Optionally, the third determining unit is used to:

[0792] If the first information satisfies a first condition, determining that there is no CSI feedback information or determining that the CSI feedback information does not include the CSI corresponding to the first information;

[0793] When the first information satisfies the second condition, it is determined that there is CSI feedback information or it is determined that the CSI feedback information includes CSI corresponding to the first information.

[0794] Optionally, the CSI feedback information includes first indication information, and the first indication information is used to indicate whether the CSI feedback information includes the CSI.

[0795] Optionally, the first condition includes:

[0796] The relative relationship between the first information and the first threshold or the first reference quality information satisfies a first relationship;

[0797] And / or, the second condition includes:

[0798] The relative relationship between the first information and the second threshold or the second reference quality information satisfies the second relationship.

[0799] Optionally, the third determining unit is used to:

[0800] Determine CSI feedback information and / or whether CSI feedback information exists based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, at least one of the first information, and a second parameter;

[0801] The second parameter includes at least one of the following:

[0802] location information of the first device;

[0803] Speed ​​information of the first device.

[0804] Optionally, the third determining unit is used to:

[0805] At least one of a codebook parameter, a codebook, and a load size in the CSI feedback information is determined based on the configuration information of the first reference signal, the CSI feedback configuration corresponding to the first reference signal, at least one of the first information, and the second parameter.

[0806] Optionally, the CSI feedback information includes second indication information, where the second indication information is used to indicate at least one of a codebook parameter, a codebook, and a load size.

[0807] Optionally, the apparatus in the embodiment of the present application further includes: a second sending unit, configured to perform at least one of the following:

[0808] Sending a first reference signal and / or a second reference signal;

[0809] Send configuration information of a first reference signal.

[0810] Optionally, the first information includes at least one of the following:

[0811] Channel quality information;

[0812] Channel information;

[0813] Quality grade information;

[0814] Error information.

[0815] Optionally, the channel quality information includes at least one of the following:

[0816] Signal to Interference and Noise Ratio SINR or Signal to Noise Ratio SNR;

[0817] Reference signal received power RSRP;

[0818] Channel quality indication CQI.

[0819] Optionally, the channel information includes information used to indicate that the channel corresponds to at least one of the following:

[0820] Delay spread;

[0821] Angle expansion;

[0822] Average delay;

[0823] Doppler;

[0824] Doppler expansion;

[0825] Mean square error (MSE);

[0826] Normalized mean square error NMSE;

[0827] Channel statistics;

[0828] Channel distribution information.

[0829] Optionally, the error information includes at least one of the following:

[0830] Error information of CSI;

[0831] Error information of the channel or channel estimation value corresponding to the CSI;

[0832] The error information of the precoding matrix corresponding to the CSI.

[0833] Optionally, the error information includes at least one of the following:

[0834] Distance error;

[0835] MSE, NMSE or minimum mean square error MMSE;

[0836] CQI error information;

[0837] Error information of channel statistics.

[0838] Optionally, the CSI feedback information includes CSI feedback information corresponding to the CSI.

[0839] It should be noted here that the above-mentioned device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned information processing method embodiment applied to the second device, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.

[0840] It should be noted that the division of units in the embodiments of the present application is schematic and is only a logical function division. There may be other division methods in actual implementation. In addition, each functional unit in each embodiment of the present application may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0841] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), disk or optical disk and other media that can store program codes.

[0842] In some embodiments of the present application, a processor-readable storage medium is also provided, which stores program instructions, and the program instructions are used to enable the processor to execute all the steps implemented by the method embodiment executed by the above-mentioned first device or all the steps implemented by the method embodiment executed by the second device, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.

[0843] The terminal device involved in the embodiment of the present application may be a device that provides voice and / or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem. In different systems, the name of the terminal device may also be different. For example, in a 5G system, the terminal device may be called a user equipment (UE). A wireless terminal device can communicate with one or more core networks (CN) via a radio access network (RAN). The wireless terminal device may be a mobile terminal device, such as a mobile phone (or a "cellular" phone) and a computer with a mobile terminal device. For example, it may be a portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile device that exchanges language and / or data with a wireless access network. For example, personal communication service (PCS) phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs) and other devices. The wireless terminal device may also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, a remote terminal device, an access terminal device, a user terminal device, a user agent, and a user device, but is not limited in the embodiments of the present application.

[0844] The network device (or network side device) involved in the embodiment of the present application may be a base station, which may include multiple cells providing services for the terminal. Depending on the specific application scenario, the base station may also be called an access point, or may be a device in the access network that communicates with the wireless terminal device through one or more sectors on the air interface, or other names. The network device may be used to interchange received air frames with Internet Protocol (IP) packets, and serve as a router between the wireless terminal device and the rest of the access network, wherein the rest of the access network may include an Internet Protocol (IP) communication network. The network device may also coordinate the attribute management of the air interface. For example, the network device involved in the embodiments of the present application may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile communications (Global System for Mobile communications, GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA), or a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or an evolutionary network device (evolutional Node B, eNB or e-NodeB) in the Long Term Evolution (Long Term Evolution, LTE) system, a 5G base station (gNB) in the 5G network architecture (next generation system), a base station in the 6G system, or a home evolved Node B (Home evolved Node B, HeNB), a relay node, a home base station (femto), a micro base station (pico), etc., which is not limited in the embodiments of the present application. In some network structures, the network device may include a centralized unit (Centralized Unit, CU) node and a distributed unit (Distributed Unit, DU) node, and the centralized unit and the distributed unit may also be arranged geographically separately.

[0845] Network devices and terminal devices can each use one or more antennas for multiple-input multiple-output (MIMO) transmission. MIMO transmission can be single-user MIMO (SU-MIMO) or multi-user MIMO (MU-MIMO). Depending on the form and number of antenna combinations, MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO or massive-MIMO, or it can be diversity transmission, precoded transmission or beamforming transmission, etc.

[0846] The technical solution provided in the embodiment of the present application can be applicable to a variety of systems, especially 5G systems, or 6G systems. For example, the applicable system can be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (WCDMA) general packet radio service (GPRS) system, a long term evolution (LTE) system, a LTE frequency division duplex (FDD) system, a LTE time division duplex (TDD) system, an advanced long term evolution (LTE-A) system, a universal mobile telecommunication system (UMTS), a world-wide interoperability for microwave access (WiMAX) system, a 5G new air interface (NR) system, a 6G system, etc. These various systems may include terminal devices and network side devices. The system may also include a core network part. Optionally, these systems include a management entity for model lifecycle management and / or data collection.

[0847] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment in combination with software and hardware. Moreover, the present application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) that contain computer-usable program code.

[0848] The present application is described with reference to the flowchart and / or block diagram of the method, device (system) and computer program product according to the embodiment of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, and the combination of the process and / or box in the flowchart and / or block diagram can be implemented by computer executable instructions. These computer executable instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device for implementing the function specified in one process or multiple processes in the flowchart and / or one box or multiple boxes in the block diagram.

[0849] These processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the processor-readable memory produce a product including an instruction device that implements the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0850] These processor-executable instructions may also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, whereby the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0851] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims

1. An information processing method, characterized in that: Executed by a first device, the method includes: Determine first information corresponding to channel state information CSI, where the first information is used to indicate one or more of a quality of the CSI, a quality of a channel or a channel estimation value corresponding to the CSI, and a quality of a precoding matrix corresponding to the CSI; Based on the first information, determine whether to send CSI feedback information to the second device and / or determine the CSI feedback information to send to the second device.

2. The method according to claim 1, characterized in that Also includes: receiving a first reference signal; The CSI is determined based on a first reference signal.

3. The method according to claim 2, characterized in that Determining first information corresponding to channel state information CSI includes: First information corresponding to the CSI is determined based on configuration information of the first reference signal and / or the second reference signal.

4. The method according to claim 1, characterized in that: The determining, based on the first information, whether to send CSI feedback information to the second device and / or determining the CSI feedback information to be sent to the second device includes: If the first information satisfies the first condition, not sending CSI feedback information to the second device or determining that the CSI feedback information sent to the second device does not include the CSI; When the first information satisfies the second condition, it is determined to send CSI feedback information to the second device or it is determined that the CSI feedback information sent to the second device includes the CSI.

5. The method according to any one of claims 1 to 4, characterized in that: The CSI feedback information includes first indication information, where the first indication information is used to indicate whether the CSI feedback information includes the CSI.

6. The method according to claim 4, characterized in that The first condition includes: The relative relationship between the first information and the first threshold or the first reference quality information satisfies a first relationship; And / or, the second condition includes: The relative relationship between the first information and the second threshold or the second reference quality information satisfies the second relationship.

7. The method according to claim 1, characterized in that Determining, based on the first information, CSI feedback information to be sent to the second device includes: Based on the first information, at least one of a codebook parameter, a codebook, and a load size in the CSI feedback information is determined.

8. The method according to claim 1, characterized in that Determining whether to send CSI feedback information to the second device and / or determining CSI feedback information to send to the second device based on the first information includes: Based on the first information and the first parameter, determining whether to send CSI feedback information to the second device and / or determining the CSI feedback information to be sent to the second device; The first parameter includes at least one of the following: Configuration information of a first reference signal, wherein the first reference signal is a reference signal used to determine the CSI; location information of the first device; Speed ​​information of the first device.

9. The method according to claim 8, characterized in that The determining, based on the first information and the first parameter, CSI feedback information to be sent to the second device includes: At least one of a codebook parameter, a codebook, and a load size in the CSI feedback information is determined based on the first information and the first parameter.

10. The method according to any one of claims 1 to 8, characterized in that: The CSI feedback information includes second indication information, where the second indication information is used to indicate at least one of a codebook parameter, a codebook, and a load size.

11. The method according to claim 1, characterized in that: Also includes: The first information is sent.

12. The method according to claim 1, characterized in that The first information includes at least one of the following: Channel quality information; Channel information; Quality grade information; Error information.

13. The method according to claim 12, characterized in that The channel quality information includes at least one of the following: Signal to Interference and Noise Ratio SINR or Signal to Noise Ratio SNR; Reference signal received power RSRP; Channel quality indication CQI.

14. The method according to claim 12, characterized in that The channel information includes information for indicating that the channel corresponds to at least one of the following: Delay spread; Angle expansion; Average delay; Doppler; Doppler expansion; Mean square error (MSE); Normalized mean square error NMSE; Channel statistics; Channel distribution information.

15. The method according to claim 12, characterized in that The error information includes at least one of the following: Error information of CSI; Error information of the channel or channel estimation value corresponding to the CSI; The error information of the precoding matrix corresponding to the CSI.

16. The method according to claim 15, characterized in that The error information includes at least one of the following: Distance error; MSE, NMSE or minimum mean square error MMSE; CQI error information; Error information of channel statistics.

17. The method according to claim 1, characterized in that The CSI feedback information includes CSI feedback information corresponding to the CSI.

18. An information processing method, characterized in that: Executed by a second device, the method includes: Determine CSI feedback information and / or whether CSI feedback information exists based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, and / or the first information; The first information is used to indicate one or more of the quality of the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI.

19. The method according to claim 18, characterized in that The CSI feedback information includes at least one of the following: Codebook parameters; Codebook; Load size.

20. The method according to claim 18, characterized in that Also includes: First information sent by a first device is obtained.

21. The method according to any one of claims 18 to 20, characterized in that The first information is configuration information of the first reference signal and / or first information corresponding to a CSI feedback configuration corresponding to the first reference signal.

22. The method according to claim 18, characterized in that Determining, based on the first information, CSI feedback information and / or whether CSI feedback information exists includes: If the first information satisfies a first condition, determining that there is no CSI feedback information or determining that the CSI feedback information does not include the CSI corresponding to the first information; When the first information satisfies the second condition, it is determined that there is CSI feedback information or it is determined that the CSI feedback information includes CSI corresponding to the first information.

23. The method according to any one of claims 18 to 22, characterized in that The CSI feedback information includes first indication information, where the first indication information is used to indicate whether the CSI feedback information includes the CSI.

24. The method according to claim 22, characterized in that The first condition includes: The relative relationship between the first information and the first threshold or the first reference quality information satisfies a first relationship; And / or, the second condition includes: The relative relationship between the first information and the second threshold or the second reference quality information satisfies the second relationship.

25. The method according to claim 18, characterized in that Determining CSI feedback information and / or whether CSI feedback information exists based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, and / or the first information includes: Determine CSI feedback information and / or whether CSI feedback information exists based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, at least one of the first information, and a second parameter; The second parameter includes at least one of the following: location information of the first device; Speed ​​information of the first device.

26. The method according to claim 25, characterized in that Determining CSI feedback information based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, at least one of the first information, and a second parameter includes: At least one of a codebook parameter, a codebook, and a load size in the CSI feedback information is determined based on the configuration information of the first reference signal, the CSI feedback configuration corresponding to the first reference signal, at least one of the first information, and the second parameter.

27. The method according to any one of claims 18 to 26, characterized in that The CSI feedback information includes second indication information, where the second indication information is used to indicate at least one of a codebook parameter, a codebook, and a load size.

28. The method according to claim 18, characterized in that Also includes at least one of the following: Sending a first reference signal and / or a second reference signal; Send configuration information of a first reference signal.

29. The method according to claim 18, characterized in that The first information includes at least one of the following: Channel quality information; Channel information; Quality grade information; Error information.

30. The method according to claim 29, characterized in that The channel quality information includes at least one of the following: Signal to Interference and Noise Ratio SINR or Signal to Noise Ratio SNR; Reference signal received power RSRP; Channel quality indication CQI.

31. The method according to claim 29, characterized in that The channel information includes information for indicating that the channel corresponds to at least one of the following: Delay spread; Angle expansion; Average delay; Doppler; Doppler expansion; Mean square error (MSE); Normalized mean square error NMSE; Channel statistics; Channel distribution information.

32. The method according to claim 29, characterized in that The error information includes at least one of the following: Error information of CSI; Error information of the channel or channel estimation value corresponding to the CSI; The error information of the precoding matrix corresponding to the CSI.

33. The method according to claim 32, characterized in that The error information includes at least one of the following: Distance error; MSE, NMSE or minimum mean square error MMSE; CQI error information; Error information of channel statistics.

34. The method according to claim 18, characterized in that The CSI feedback information includes CSI feedback information corresponding to the CSI.

35. An information processing device, characterized in that: Including memory, transceiver, processor; A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations: Determine first information corresponding to channel state information CSI, where the first information is used to indicate one or more of a quality of the CSI, a quality of a channel or a channel estimation value corresponding to the CSI, and a quality of a precoding matrix corresponding to the CSI; Based on the first information, determine whether to send CSI feedback information to the second device and / or determine the CSI feedback information to send to the second device.

36. The device according to claim 35, characterized in that The processor also performs the following operations: receiving a first reference signal; The CSI is determined based on a first reference signal.

37. The device according to claim 36, characterized in that The processor also performs the following operations: First information corresponding to the CSI is determined based on configuration information of the first reference signal and / or the second reference signal.

38. The device according to claim 35, characterized in that The processor also performs the following operations: If the first information satisfies the first condition, not sending CSI feedback information to the second device or determining that the CSI feedback information sent to the second device does not include the CSI; When the first information satisfies the second condition, it is determined to send CSI feedback information to the second device or it is determined that the CSI feedback information sent to the second device includes the CSI.

39. An information processing device, characterized in that: Including memory, transceiver, processor; a memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; A processor is configured to read the computer program in the memory and perform the following operations: Determine CSI feedback information and / or whether CSI feedback information exists based on configuration information of the first reference signal, a CSI feedback configuration corresponding to the first reference signal, and / or the first information; The first information is used to indicate one or more of the quality of the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI.

40. The device according to claim 39, characterized in that The CSI feedback information includes at least one of the following: Codebook parameters; Codebook; Load size.

41. The device according to claim 39, characterized in that The processor also performs the following operations: If the first information satisfies a first condition, determining that there is no CSI feedback information or determining that the CSI feedback information does not include the CSI corresponding to the first information; When the first information satisfies the second condition, it is determined that there is CSI feedback information or it is determined that the CSI feedback information includes CSI corresponding to the first information.

42. An information processing device, characterized in that: include: A first determining unit, configured to determine first information corresponding to channel state information CSI, where the first information is used to indicate one or more of a quality of the CSI, a quality of a channel or a channel estimation value corresponding to the CSI, and a quality of a precoding matrix corresponding to the CSI; The second determining unit is used to determine whether to send CSI feedback information to the second device and / or determine the CSI feedback information to be sent to the second device based on the first information.

43. An information processing device, characterized in that: include: A third determining unit, configured to determine CSI feedback information and / or whether CSI feedback information exists based on the configuration information of the first reference signal, the CSI feedback configuration corresponding to the first reference signal and / or the first information; The first information is used to indicate one or more of the quality of the CSI, the quality of the channel or channel estimation value corresponding to the CSI, and the quality of the precoding matrix corresponding to the CSI.

44. A processor-readable storage medium, characterized in that: The processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the steps of the information processing method as described in any one of claims 1 to 17, or to execute the steps of the information processing method as described in any one of claims 18 to 34.

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