Beam pair determination method and device

Abstract

The embodiment of the invention provides a beam pair determination method and device, and relates to the technical field of wireless communication, and the beam pair determination method comprises the steps that network equipment sends configuration information to terminal equipment in a communication area where the network equipment is located; the terminal equipment configures a coordinate grid network according to the configuration information, wherein the coordinate grid network is used for indicating a grid-shaped vertical plane and / or a grid-shaped horizontal plane of the communication area; the terminal device obtains and reports the beam pair quality information corresponding to the at least one round of beam pair scanning and / or the state change information of the terminal device to the network device, and the network device determines an optimal beam pair based on the beam pair quality information corresponding to the at least one round of beam pair scanning and / or the state change information of the terminal device; wherein the state change information is used for indicating the state change condition of the terminal equipment in at least one round of beam pair scanning process; the state change information corresponds to the coordinate grid network. According to the invention, the accuracy of determining the beam pair can be improved, and the privacy of the terminal equipment is considered.

Description

Technical Field

[0001] Embodiments of the present application relate to the field of wireless communication technologies, and in particular, to a method and apparatus for determining a beam pair. Background Art

[0002] With the development of communication technologies, the spectrum used by communication systems gradually evolves towards higher frequency bands. At higher frequency bands, a relatively large antenna array is often used to counteract the attenuation of received signals caused by losses, and then narrow beams are used to transmit signals through antenna beamforming. Among them, the narrow beam can converge limited transmission energy, thereby effectively increasing the network coverage distance of the communication system, and reducing the interference in directions other than the signal by the relatively narrow signal coverage width, improving the user experience.

[0003] When communicating, for example, between a network device (such as a base station) and a terminal device, the network device selects a suitable transmit beam, and the terminal device selects a suitable receive beam, jointly forming a set of beam pairs, also known as optimal beam pairs, to maintain a good wireless connection. For example, the network device sends different candidate beams at multiple times to cover all spatial directions, and the terminal device traverses a large number of candidate beams to obtain multiple beam quality information, that is, the communication parties perform beam pair scanning. On this basis, the network device can determine one or more optimal beam pairs based on the multiple beam quality information as a set of optimal beam pairs for communication.

[0004] However, during the beam pair scanning process, the change in the state of the terminal device will cause the direction offset of the candidate beams on the terminal device side, resulting in the determined optimal beam pair based on the measurement results of the candidate beams being inapplicable to the terminal device after the state change, that is, the problem that the determination result of the beam pair is not accurate enough. Summary of the Invention

[0005] To solve the above technical problems, the present application provides a method and apparatus for determining a beam pair. In this beam pair determination method, the terminal device configures a coordinate grid network according to the configuration information sent by the network device, thereby determining the state change information of the terminal device corresponding to the coordinate grid network for the network device to determine the optimal beam pair, improving the accuracy of beam pair determination and taking into account the privacy of the terminal device.

[0006] In a first aspect, the present application provides a method for determining a beam pair. The method includes: A network device sends configuration information to a terminal device in the communication area where the network device is located; wherein, the configuration information is used to instruct the terminal device to configure a coordinate grid network, and the coordinate grid network is used to indicate the grid-like vertical plane and / or the grid-like horizontal plane of the communication area; The network device determines an optimal beam pair based on the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the status change information of the terminal device; wherein, one round of beam pair scanning in the at least one round of beam pair scanning corresponds to one reference signal among multiple reference signals configured by the network device for the terminal device; The status change information is used to indicate the status change of the terminal device during at least one round of beam pair scanning; The status change information corresponds to the coordinate grid network.

[0007] In an embodiment of the present application, the network device sends configuration information to a terminal device in the communication area where the network device is located, so that the terminal device can configure a coordinate grid network according to the configuration information. Among them, the coordinate grid network is used to indicate the grid-like vertical plane and / or the grid-like horizontal plane of the communication area where the network device is located. Based on this, in the case where the network device configures multiple reference information for the terminal device to support multiple rounds of beam pair scanning respectively, the terminal device can determine the status change information of the terminal device corresponding to at least one round of beam pair scanning and / or the beam pair quality information corresponding to at least one round of beam pair scanning according to the coordinate grid network, and report it to the network device. In this way, the beam pair determined by the network device according to the beam quality information reported by the terminal device and the corresponding status change information of the terminal device is more suitable for the terminal device after the status change, thereby improving the accuracy of beam pair determination. In addition, the status change information of the terminal device corresponds to the coordinate grid network, which can ensure that the status change information is the information under the grid granularity of the coordinate grid network, relatively coarser granularity, and can reduce the fineness of the status change information, which is beneficial to protecting the privacy of the terminal device.

[0008] According to the first aspect, the status change information includes orientation change information and / or movement direction information; wherein, the orientation change information is used to indicate the orientation change of the terminal device in the coordinate grid network; the movement direction information is used to indicate the movement direction of the terminal device in the coordinate grid network.

[0009] In an embodiment of the present application, the status change information includes orientation change information and / or movement direction information. The orientation change information can reflect the rotation of the terminal device, and the movement direction information can reflect the movement trend of the terminal device. Furthermore, the network device can ensure that the optimal beam pair is more suitable for the terminal device that has undergone a status change, and improve the accuracy of the determined beam pair in the case where the terminal rotates and / or moves.

[0010] According to the first aspect, or any implementation of the above first aspect, the orientation change information is the information determined by the terminal device based on the coordinate grid and the orientation baseline; the orientation baseline is used to indicate a first predefined direction corresponding to the terminal device.

[0011] In the embodiment of the present application, the orientation change situation of the terminal device in the coordinate grid is determined through the orientation baseline, without the need to calculate based on the position information of the terminal device, which is more convenient.

[0012] According to the first aspect, or any implementation of the above first aspect, the first predefined direction includes a direction with a fixed relative position to the terminal device; the orientation change information includes the change of the reference orientation corresponding to the orientation baseline among multiple reference orientations; where one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the terminal device is located in the coordinate grid; the multiple second predefined directions are respectively used to indicate different directions.

[0013] In the embodiment of the present application, the multiple second predefined directions are respectively used to indicate different directions, and the relative position between the orientation baseline and the terminal device is fixed. In this way, the orientation information of the terminal device can be selected from multiple reference orientations according to the relative position relationship between the orientation baseline and each reference orientation, and then the orientation change information can be indicated according to the change of the orientation information, without calculation, improving the beam pair determination efficiency. In addition, the orientation information determined through the reference orientation does not involve fine angle information, which is beneficial to protecting the privacy of the terminal device.

[0014] According to the first aspect, or any implementation of the above first aspect, the movement direction information includes the reference orientation corresponding to the position change of the terminal device among multiple reference orientations; where one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the terminal device is located in the coordinate grid; the multiple second predefined directions are respectively used to indicate different directions.

[0015] In the embodiment of the present application, the multiple second predefined directions are respectively used to indicate different directions. In this way, when the terminal device moves, it is more convenient to determine the movement direction of the terminal device through the reference orientation.

[0016] According to the first aspect, or any implementation of the above first aspect, the state change information corresponding to one round of beam pair scanning is used to indicate the state change situation of the terminal device during the configuration period of the reference signal corresponding to the beam pair scanning.

[0017] In the embodiment of the present application, the status change information indicates the status change of the terminal device within the corresponding reference information configuration period, ensuring that the beam quality information is more adapted to the terminal status, thereby further improving the accuracy of beam pair determination.

[0018] According to the first aspect, or any one of the above implementation manners of the first aspect, the network device sends configuration information to the terminal device in the communication area where the network device is located, including: when the terminal device accesses the communication network covering the communication area, the network device sends configuration information to the terminal device.

[0019] In the embodiment of the present application, when the terminal device accesses the communication network in the communication area, the network device sends a coordinate grid network, so as to ensure that the terminal device can timely determine and report the orientation information, and further improve the accuracy of beam pair determination.

[0020] According to the first aspect, or any one of the above implementation manners of the first aspect, the network device determines an optimal beam pair based on the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the status change information of the terminal device, including: the network device inputs the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the status change information of the terminal device into a pre-trained beam pair determination model to obtain optimal beam pair indication information; the network device determines the optimal beam pair among multiple candidate beam pairs according to the optimal beam pair indication information; wherein, the beam pair determination model is an artificial intelligence model trained by using sample measurement data and the optimal beam pair label corresponding to the sample measurement data, and the sample measurement data includes sample beam quality information and / or the sample status change information of the terminal device.

[0021] In the embodiment of the present application, the network device uses a pre-trained beam pair determination model to determine the optimal beam pair, which can take into account both the efficiency and accuracy of beam pair determination.

[0022] According to the first aspect, or any one of the above implementation manners of the first aspect, the network device determines an optimal beam pair based on the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the status change information of the terminal device, including: the network device determines the optimal beam pair based on the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the target status change information of the terminal device; wherein, the target status change information includes the information indicating the status change of the terminal device in the status change information of the terminal device reported in at least one round of beam pair scanning reported by the terminal device; or, the status change situation includes the situation of the status change of the terminal device.

[0023] In the embodiment of the present application, when the terminal device defaults to report the status information of the terminal device, the network side can screen the information indicating the status change from the received status information of the terminal device, thereby reducing the model calculation amount. In addition, the terminal device does not need to set different reporting processes, which is more convenient. The terminal device reports the status information of the terminal device indicating the status change, so that the radio interface resources required for reporting can be saved, and the calculation amount for the network device to determine the beam pair can be reduced.

[0024] In a second aspect, an embodiment of the present application provides a beam pair determination method, and the method includes: the terminal device receives configuration information sent by a network device in the communication area where the terminal device is located; the terminal device configures a coordinate grid network according to the configuration information; wherein, the coordinate grid network is used to indicate the grid-like vertical plane and / or grid-like horizontal plane of the communication area; the terminal device obtains beam pair quality information and / or status change information corresponding to at least one round of beam pair scanning, and reports it to the network device; wherein, one round of beam pair scanning in the at least one round of beam pair scanning corresponds to one reference signal among multiple reference signals configured by the network device for the terminal device; the status change information is used to indicate the status change of the terminal device during at least one round of beam pair scanning; the status change information corresponds to the coordinate grid network; the beam quality information and / or the status change information of the terminal device are used to indicate the network device to determine the optimal beam pair.

[0025] According to the second aspect, the status change information includes orientation change information and / or movement direction information; wherein, the orientation change information is used to indicate the orientation change of the terminal device in the coordinate grid network; the movement direction information is used to indicate the movement direction of the terminal device in the coordinate grid network.

[0026] According to the second aspect, or any one implementation manner of the above second aspect, the orientation change information is information determined by the terminal device according to the coordinate grid network and the orientation baseline; the orientation baseline is used to indicate a first predefined direction corresponding to the terminal device.

[0027] According to the second aspect, or any one implementation manner of the above second aspect, the first predefined direction includes a direction with a fixed relative position to the terminal device; the orientation change information includes the change of the reference orientation corresponding to the orientation baseline among multiple reference orientations; wherein, one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the terminal device is located in the coordinate grid network; the multiple second predefined directions are respectively used to indicate different directions.

[0028] According to a second aspect, or any implementation manner of the above second aspect, the movement direction information includes a reference orientation corresponding to the position change of the terminal device among a plurality of reference orientations; wherein, one of the plurality of reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the terminal device is located in the coordinate grid network; the plurality of second predefined directions are respectively used to indicate different directions.

[0029] According to a second aspect, or any implementation manner of the above second aspect, the state change information corresponding to one round of beam pair scanning is used to indicate the state change of the terminal device during the configuration period of the reference signal corresponding to the beam pair scanning.

[0030] According to a second aspect, or any implementation manner of the above second aspect, the terminal device receives configuration information sent by a network device in the communication area where the terminal device is located, including: when the terminal device accesses the communication network covering the communication area, the terminal device receives the configuration information sent by the network device.

[0031] According to a second aspect, or any implementation manner of the above second aspect, the state change situation includes the situation where the state of the terminal device changes.

[0032] The second aspect and any implementation manner of the second aspect respectively correspond to the first aspect and any implementation manner of the first aspect. For the technical effects corresponding to the second aspect and any implementation manner of the second aspect, reference can be made to the technical effects corresponding to the first aspect and any implementation manner of the first aspect above, which will not be elaborated here.

[0033] In a third aspect, an embodiment of the present application provides a communication device, which includes: an information sending module, configured to send configuration information to a terminal device in the communication area where the communication device is located; wherein, the configuration information is used to instruct the terminal device to perform the configuration of the coordinate grid network, and the coordinate grid network is used to indicate the grid-shaped vertical plane and / or grid-shaped horizontal plane of the communication area; a beam pair determination module, configured to determine an optimal beam pair based on at least one round of beam pair quality information corresponding to the beam pair scanning reported by the terminal device and / or the state change information of the terminal device; wherein, one round of beam pair scanning in the at least one round of beam pair scanning corresponds to one of the plurality of reference signals configured by the communication device for the terminal device; the state change information is used to indicate the state change of the terminal device during the at least one round of beam pair scanning; the state change information corresponds to the coordinate grid network.

[0034] According to the third aspect, the state change information includes orientation change information and / or movement direction information; wherein, the orientation change information is used to indicate the orientation change of the terminal device in the coordinate grid network; the movement direction information is used to indicate the movement direction of the terminal device in the coordinate grid network.

[0035] According to a third aspect, or any implementation manner of the above third aspect, the orientation change information is information determined by the terminal device based on a coordinate grid network and an orientation baseline; the orientation baseline is used to indicate a first predefined direction corresponding to the terminal device.

[0036] According to a third aspect, or any implementation manner of the above third aspect, the first predefined direction includes a direction with a fixed relative position to the terminal device; the orientation change information includes the change of the reference orientation corresponding to the orientation baseline among multiple reference orientations; wherein, one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the terminal device is located in the coordinate grid network; the multiple second predefined directions are respectively used to indicate different directions.

[0037] According to a third aspect, or any implementation manner of the above third aspect, the movement direction information includes the reference orientation corresponding to the position change of the terminal device among multiple reference orientations; wherein, one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the terminal device is located in the coordinate grid network; the multiple second predefined directions are respectively used to indicate different directions.

[0038] According to a third aspect, or any implementation manner of the above third aspect, the state change information corresponding to one round of beam pair scanning is used to indicate the state change situation of the terminal device during the configuration period of the reference signal corresponding to the beam pair scanning.

[0039] According to a third aspect, or any implementation manner of the above third aspect, the information sending module is specifically configured to: send configuration information to the terminal device when the terminal device accesses a communication network covering a communication area.

[0040] According to a third aspect, or any implementation manner of the above third aspect, the beam pair determination module is specifically configured to: input the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the state change information of the terminal device into a pre-trained beam pair determination model to obtain optimal beam pair indication information; determine the optimal beam pair among multiple candidate beam pairs according to the optimal beam pair indication information; wherein, the beam pair determination model is an artificial intelligence model trained using sample measurement data and the optimal beam pair label corresponding to the sample measurement data, and the sample measurement data includes sample beam quality information and / or the sample state change information of the terminal device.

[0041] According to a third aspect, or any implementation manner of the above third aspect, the beam pair determination module is specifically configured to: determine an optimal beam pair based on the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the target state change information of the terminal device; where the target state change information includes the information indicating a change in the state of the terminal device among the state change information of the terminal device corresponding to at least one round of beam pair scanning reported by the terminal device; or, the state change situation includes the situation of the change in the state of the terminal device.

[0042] In a third aspect, or any implementation manner of the above third aspect, the communication device provided may be a network device, or a device, module, circuit, or chip configured to be disposed in the network device, or a device capable of being used in matching with the network device. In one design, the communication device may include modules corresponding one by one to the methods / operations / steps / actions described in the first aspect. The module may be a hardware circuit, software, or a combination of a hardware circuit and software. In one design, the communication device may include a processing module and a communication module. Among them, the receiving module is used to perform the receiving action in the method described in the first aspect above, and the processing module is used to perform the actions related to processing in the method described in the first aspect above.

[0043] In a fourth aspect, an embodiment of the present application provides a communication device, which includes: a receiving module, configured to receive configuration information sent by a network device in a communication area where the communication device is located; a configuration module, configured to configure a coordinate grid network according to the configuration information; where the coordinate grid network is used to indicate a grid-like vertical plane and / or a grid-like horizontal plane of the communication area; a reporting module, configured to obtain beam pair quality information corresponding to at least one round of beam pair scanning and / or state change information of the communication device, and report it to the network device; where one round of beam pair scanning in the at least one round of beam pair scanning corresponds to one reference signal among multiple reference signals configured by the network device for the communication device; the state change information is used to indicate the state change situation of the communication device during at least one round of beam pair scanning; the state change information corresponds to the coordinate grid network; the beam quality information and / or the state change information of the communication device are used to indicate the network device to determine an optimal beam pair.

[0044] According to the fourth aspect, the state change information includes orientation change information and / or movement direction information; where the orientation change information is used to indicate the orientation change of the communication device in the coordinate grid network; the movement direction information is used to indicate the movement direction of the communication device in the coordinate grid network.

[0045] According to the fourth aspect, or any implementation manner of the above fourth aspect, the orientation change information is information determined by the communication device according to the coordinate grid network and an orientation baseline; the orientation baseline is used to indicate a first predefined direction corresponding to the communication device.

[0046] According to the fourth aspect, or any implementation manner of the above fourth aspect, the first predefined direction includes a direction that is fixed relative to the position between communication devices; the orientation change information includes the change of the reference orientation corresponding to the orientation baseline among multiple reference orientations; wherein, one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the communication device is located in the coordinate grid network; the multiple second predefined directions are respectively used to indicate different directions.

[0047] According to the fourth aspect, or any implementation manner of the above fourth aspect, the movement direction information includes the reference orientation corresponding to the position change of the communication device among multiple reference orientations; wherein, one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the communication device is located in the coordinate grid network; the multiple second predefined directions are respectively used to indicate different directions.

[0048] According to the fourth aspect, or any implementation manner of the above fourth aspect, the state change information corresponding to one round of beam pair scanning is used to indicate the state change of the communication device during the configuration period of the reference signal corresponding to the beam pair scanning.

[0049] According to the fourth aspect, or any implementation manner of the above fourth aspect, the receiving module is specifically configured to: when the communication device accesses the communication network covering the communication area, receive the configuration information sent by the network device.

[0050] According to the fourth aspect, or any implementation manner of the above fourth aspect, the state change includes the situation where the state of the communication device changes.

[0051] The communication device provided by the fourth aspect, or any implementation manner of the above fourth aspect, may be a terminal device, or a device, module, circuit, or chip configured to be disposed in the terminal device, or a device that can be used in matching with the terminal device. In one design, the communication device may include modules corresponding one by one to the methods / operations / steps / actions described in the second aspect, and the module may be a hardware circuit, software, or a combination of hardware circuit and software. In one design, the communication device may include a processing module and a communication module. Among them, the sending module is used to perform the sending action in the method described in the second aspect above, and the processing module is used to perform the actions related to processing in the method described in the second aspect above.

[0052] Fifth aspect, a communication device is provided, including a processor and a storage medium. The storage medium stores instructions, which, when run by the processor, cause the methods in the first aspect or any possible implementation manner of the first aspect to be implemented, and cause the methods in the second aspect or any possible implementation manner of the second aspect to be implemented.

[0053] Sixth aspect, a communication device is provided, including a processor for processing data and / or information, which causes the methods in the first aspect or any possible implementation manner of the first aspect to be implemented, and causes the methods in the second aspect or any possible implementation manner of the second aspect to be implemented. Optionally, the communication device may further include a communication interface for receiving data and / or information and transmitting the received data and / or information to the processor. Optionally, the communication interface is further used for outputting the data and / or information after being processed by the processor.

[0054] Seventh aspect, a chip is provided, including a processor for running a program or instructions, which causes the methods in the first aspect or any possible implementation manner of the first aspect to be implemented, and causes the methods in the second aspect or any possible implementation manner of the second aspect to be implemented. Optionally, the chip may further include a memory for storing the program or instructions. Optionally, the chip may further include a transceiver.

[0055] Eighth aspect, a computer-readable storage medium is provided. The computer-readable storage medium includes instructions, which, when run by the processor, cause the methods in the first aspect or any possible implementation manner of the first aspect to be implemented, and cause the methods in the second aspect or any possible implementation manner of the second aspect to be implemented.

[0056] Ninth aspect, a computer program product is provided. The computer program product includes computer program code or instructions, which, when run, cause the methods in the first aspect or any possible implementation manner of the first aspect to be implemented, and cause the methods in the second aspect or any possible implementation manner of the second aspect to be implemented.

[0057] Tenth aspect, a communication system is provided. The communication system includes a combination of one or more of the following devices: the communication device implementing the methods in the first aspect or any possible implementation manner of the first aspect, and the communication device implementing the methods in the second aspect or any possible implementation manner of the second aspect. Description of the Drawings

[0058] To more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0059] Figure 1 is a conceptual example diagram of a beam;

[0060] Figure 2 is a comparison example diagram of a wide beam and a narrow beam;

[0061] Figure 3 is an example diagram of a beam management process;

[0062] Figure 4a is one of the example diagrams of a beam management process based on artificial intelligence;

[0063] Figure 4b is one of the example diagrams of a beam management process based on artificial intelligence;

[0064] Figure 5 is an example diagram of the structure of a neuron in a deep neural network;

[0065] Figure 6 is an example diagram of the structure of a neural network;

[0066] Figure 7 is a schematic diagram of the application scenario cell of the embodiments of the present application;

[0067] Figure 8 is a schematic diagram of a possible application framework in a communication system;

[0068] Figure 9 is a schematic diagram of a communication system suitable for the communication method of the embodiments of the present application;

[0069] Figure 10 is one of the flow schematic diagrams of a beam pair determination method provided by the embodiments of the present application;

[0070] Figure 11 is an example diagram of the coordinate grid provided by the embodiments of the present application;

[0071] Figure 12 is an example diagram of the rotation scenario and orientation information of the terminal device provided by the embodiments of the present application;

[0072] Figure 13 is one of the flow schematic diagrams of a beam pair determination method provided by the embodiments of the present application;

[0073] Figure 14It is one of the schematic flowcharts of a beam pair determination method provided by an embodiment of this application. Detailed implementation manners

[0074] Next, the technical solutions in the embodiments of this application will be described with reference to the accompanying drawings in the embodiments of this application.

[0075] To facilitate the understanding of this embodiment, some technical terms and background technologies involved in this embodiment will be introduced first:

[0076] Wave beam: It refers to the shape formed by the electromagnetic wave emitted by the antenna on the earth's surface (for example, like the beam of light emitted by a flashlight into the darkness). The shape of the wave beam can be determined by the transmitting antenna, such as a global beam, a spot beam, a shaped beam, etc.

[0077] Synchronization signal block (SSB): The SSB is a cell broadcast signal, which includes a primary synchronization signal (PSS), a secondary synchronization signal (SSS), a physical broadcast channel (PBCH), and a demodulation reference signal (DMRS). The SSB is transmitted periodically according to the cell configuration and can be used for beam management, initial access, time-frequency synchronization, etc. In one example, the SSB signal can be considered as a wide beam signal.

[0078] Channel state information-reference signal (CSI-RS): The CSI-RS signal is a user-level signal, and the network device can configure one or more groups of CSI-RS resources for the user according to the actual situation. The CSI-RS signal can be used for beam management, channel quality measurement, etc. In one example, the CSI-RS signal can be considered as a narrow beam signal.

[0079] Beam scanning: Program the antenna elements as needed to achieve different beam directions and shapes. There are two ways of beam scanning: mechanical scanning and electrical scanning. Mechanical scanning means that the antenna rotates itself, driving the beam to rotate to achieve scanning; while electrical scanning means that the antenna does not move, and the beam scanning is achieved by changing the phase of each array element. This method is generally a phased array, and the beam is synthesized by the array elements.

[0080] Transmitter beam scanning: The transmitter (such as a base station) uses analog beamforming to beamform each SSB in the generated pulse; determines the azimuth and tilt directions of different beams according to the number of SSBs in the pulse and the specified scanning range; then forms a beam for each pulse in these directions; and further transmits the beamformed pulse waveform over the spatial scattering channel, and this process is P1.

[0081] Receiver beam scanning: The receiver (such as a mobile phone) sequentially receives the transmitted beamformed pulse waveforms on each receiving beam. For the N transmitting beams and M receiving beams in P1, each of the N transmitting beams is transmitted M times from the gNB, so that each transmitting beam is received through M receiving beams.

[0082] Reference signal received power (RSRP): It is the power contribution of the resource particles carrying the cell-specific reference signal in the specified measurement frequency band (for example, it can be the linear average of the power contributions). In one example, RSRP can be simply considered as the power of each subcarrier.

[0083] Reference signal receiving quality (RSRQ): It is used to indicate the combined effect of signal strength and interference, or the signal to interference plus noise ratio (SINR), that is, the ratio of the strength of the received useful signal to the strength of the received interfering signals (noise and interference); it can be simply understood as the "signal-to-noise ratio".

[0084] Artificial intelligence (AI): A technology that enables machines to have human intelligence and applies computer software and hardware to simulate certain intelligent behaviors of humans, including machine learning and many other methods.

[0085] Machine learning: Learning models or rules from raw data, and there are many different machine learning methods, such as neural network (NN), decision tree, support vector machine, etc.

[0086] AI model: Here it refers to a function model that maps inputs of a certain dimension to outputs of a certain dimension, and its model parameters can be obtained through machine learning training. For example, f(x)=ax 2 +b is a quadratic function model, which can be regarded as an AI model, and a and b correspond to the model parameters and can be obtained through machine learning training of a and b.

[0087] Neural network: Here it refers to an artificial neural network, which is a mathematical model that mimics the behavioral characteristics of animal neural networks and performs distributed parallel information processing. It is a special form of AI model.

[0088] Dataset: The data used for model training, validation, and testing in machine learning. The quantity and quality of the data will affect the effect of machine learning. The data used for model training in the dataset can be called sample data.

[0089] Model training: By selecting an appropriate loss function, with the minimization of the loss function value as the training objective, using an optimization algorithm to train the model parameters. After training, a model that can be applied to solve practical problems is obtained, which is also the model application.

[0090] Hyperparameters: Parameters such as the number of layers of the neural network, the number of neurons, the activation function, and the loss function, which are usually preset or predefined before model training.

[0091] Loss function: A function used to measure the difference between the predicted value and the true value of the model.

[0092] Exemplarily, Figure 1 is an example diagram of the concept of a beam. As Figure 1 shown, a narrow beam has a spotlight-like effect and can concentrate limited transmission energy in a narrow direction, thereby significantly improving the coverage distance of network devices such as base stations. As Figure 1 shown in, the narrow beam can cover terminal devices such as mobile phone UE1 at a farther distance, and the wide beam covers terminal devices such as mobile phone UE2 at a closer distance. Figure 2 is a comparison example diagram of a wide beam and a narrow beam. As Figure 2 shown, compared with the wide beam, the base station needs more narrow beams to cover the entire space. In order for the terminal to select the most suitable beam for itself, it needs to traverse and measure a large number of candidate beams. This is mainly because the base station is limited by hardware and often cannot simultaneously send multiple beams covering the entire cell, that is, the base station can send a beam direction at a certain moment, and different beams are sent at multiple moments to cover the directions required for the entire cell. Correspondingly, the terminal device needs to select a suitable beam for itself. In this way, beam management is required.

[0093] Exemplarily, Figure 3 is an example diagram of the beam management process. As Figure 3As shown, beam management is used to establish and maintain a set of suitable beam pairs between a network device and a terminal device. For downlink transmission, the network device needs to select a suitable transmit beam, and the terminal device needs to select a suitable receive beam. Combining them forms a set of beam pairs to maintain a good wireless connection. This beam pair is also the optimal beam pair. The network device can determine the optimal beam pair through serving beam selection. Serving beam selection can also be called beam pair scanning, which can include beam scanning and corresponding beam measurement. For example, the network device scans reference signals, and the terminal device performs beam measurement accordingly. Among them, the reference signals mainly include Synchronization Signal Block (SSB) and Channel State Information Reference Signal (CSI-RS). For example, the network device performs SSB beam sweeping, which is process (P1) (the same process as P1 above), and CSI-RS beam sweeping through information Msg1 to Msg4 and RX-QCL (quasi-co-location relationship between different antenna ports corresponding to the transmitted beam), which is process (P2). The network device transmits multiple beams through (P1) and (P2). Based on this, on the terminal device side, the terminal device receives the beams transmitted by the network device during the network beam scanning process, measures the beam quality, obtains beam quality information such as RSRP, and feeds back the RSRP to the network device through CSI-RS resource indicator (CRI) (i.e., CRI + RSRP). In this way, the network device can determine the base station narrow beam from the multiple scanned beam pairs according to the beam quality information, and the terminal device can determine the terminal narrow beam according to the beam quality information. These two beams are the optimal beam pair, and this process is (P3). In this way, the two communication parties communicate using the determined beam pair. During this period, the network device side performs CSI-RS beam scanning, and the terminal device performs beam maintenance through Physical Uplink Shared Channel (PUSCH) and Physical Uplink Control Channel (PUCCH).

[0094] In addition, still referring to Figure 3, in some scenarios, changes in the environment may cause the originally established beam pair to be blocked, and the network device side such as the base station and the terminal device side such as the user equipment (UE) do not have enough time to perform beam adjustment. At this time, the network device and the terminal device can quickly select and establish another set of beam pairs through beam recovery, that is, beam failure recovery. For example, the network device performs beam failure detection for the terminal device. When it detects that beam recovery is required, the network device and the terminal device select standby beams: the terminal device sends a Beam Failure Recovery Request to the network device, and the network device determines the standby beam and feeds back a Beam Failure Recovery Response to the terminal device, thereby achieving beam recovery.

[0095] It can be understood that the main body for determining the beam pair according to the beam quality information can be at least one of the network device and the terminal device. One way to determine the beam according to the beam quality information is to perform beam or beam pair prediction based on AI. The following is a specific introduction.

[0096] Exemplarily, Figure 4a is one of the exemplary diagrams of the beam management process based on artificial intelligence. As Figure 4a shown, for the prediction of the downlink transmission beam, the network device usually configures two sets of reference signal resources. The first set of reference signal resources is used to support the first round of sparse beam scanning: sending a transmission beam, also known as sparse wave transmission, to the UE. The UE side receives the corresponding transmission beam through the receiving beam corresponding to the first round of sparse beam scanning, also known as the receiving wave, and measures the measurement results of the beams in the first round of sparse beam scanning, that is, the beam quality information (such as RSRP). The UE side or the network side inputs the measurement results into a pre-trained beam prediction model, such as an AI model (for the convenience of description and understanding, the following will be described in combination with Figure 5 and Figure 6 ), and performs AI-based beam prediction. Usually, the output of the beam prediction model can be the probability of each beam becoming the optimal beam, or directly predict the RSRP value corresponding to the beam. The UE can select the K beams that are most likely to become the optimal beam through screening for the second round of scanning, so as to find the optimal beam. Wherein, K is an integer greater than 1.

[0097] Figure 4a In the example shown, each input of the beam prediction model is the measurement result obtained after the corresponding receiving wave scans the configured sparse transmission waves, and the output of the beam prediction model is used to determine 1 or K optimal transmission waves corresponding to the receiving wave. For example, Figure 4aThe beams indicated by the Top-K beam index shown. After the terminal side finishes predicting for a sparse wave transmission, it performs a receive beam switch. The network device side reconfigures the sparse wave transmission according to the Top-K beam index obtained from the first-round beam scanning for the next-round beam scanning, that is, as shown in the codebook: the scanned beams are the second-round Top-K beams. Correspondingly, the UR side or the network side predicts the optimal wave transmission corresponding to the received wave in the second-round Top-K beam scanning. In this way, the optimal wave transmission and the corresponding received wave form the optimal beam pair, completing the determination of the beam pair.

[0098] In another example, Figure 4b is one of the example diagrams of the beam management process based on artificial intelligence. As Figure 4b shown, beam pair determination can be performed based on AI in beam management. Specifically, within a reference signal configuration period, the network device on the network side configures the reference signal corresponding to the scanned wave transmission for the terminal device on the terminal side, so as to achieve the scanning of the wave transmission; correspondingly, the terminal device receives the wave transmission by receiving wave scanning within this reference signal configuration period. Similar to the example of Figure 4a , Figure 4b the wave transmission on the network side is sparse, that is, the reference signal is configured according to the codebook of the sparse beam. The difference from the example of Figure 4a is that Figure 4b the input of the pre-trained beam pair determination model is the measurement results of the scanned beam pairs: after scanning all the receive beams, the measurement results of all the sparse beam pairs (each configured sparse wave transmission and all the receive waves) collected. The prediction result of the beam pair determination model is also the optimal one or K beam pairs, such as the beam pairs indicated by the Top-K beam pair index shown in Figure 4b . Among them, the wave transmissions in the beam pairs may be the same while the receive waves are different. The specific process of beam pair prediction may include: the network side configures the sparse transmit beam corresponding to the first-round beam pair scanning, the terminal side switches to receive wave 1 for beam scanning to obtain the measurement results, which is also the beam scanning in a reference signal configuration period; after completing the first-round beam pair scanning, the terminal side switches to receive wave 2, the network side configures the sparse transmit beam corresponding to the second-round beam pair scanning, and the terminal side obtains the measurement results by scanning with receive wave 2; repeat the steps of scanning and measurement until all beam pair scans are completed. In the case where the network side performs beam pair determination based on AI, for the reporting of the measurement results obtained by the terminal side, there are two ways: the UE reports the measurement results to the network side once for each scan; or, after the UE completes the scanning of all receive beams, it reports all the measurement results at once. After the network side obtains the measurement results of all the sparse beam pairs, the network device can input the obtained measurement results into the pre-trained beam pair determination model for the inference of the optimal beam pair, and the output of the inference is the optimal one or K beam pairs.

[0099] It can be understood thatFigure 4b In each reference signal configuration period, the transmitted wave scanned, the received wave scanned, and the optimal beam pair are only examples and do not constitute a limitation on the scanned beam pairs. Specifically, they can be set according to actual applications.

[0100] In the above AI-based beam pair determination, the training method of the trained beam pair determination model used can be supervised learning. Supervised learning is based on the collected sample values and sample labels, uses machine learning algorithms to learn the mapping relationship from sample values to sample labels, and uses a machine learning model to represent the learned mapping relationship. The process of training a machine learning model is the process of learning this mapping relationship. During training, the model parameters are optimized by calculating the error between the predicted value of the model and the true label. Once the mapping relationship is learned, the learned mapping can be used to predict each new sample label. The mapping relationship learned by supervised learning can include linear mapping and non-linear mapping. According to the type of label, the learning tasks can be divided into classification tasks and regression tasks.

[0101] The structure of the above beam pair determination model can be a neural network model, such as a deep neural network (DNN) model. This application does not limit the structure and parameters of the beam pair determination model, which can be set according to specific applications. For ease of understanding, the structure of the beam pair determination model is introduced below using a deep neural network model as an example.

[0102] A deep neural network can automatically discover implicit pattern structures from a large dataset, establish a mapping relationship between data, and obtain performance superior to traditional modeling methods. The idea of DNN comes from the neuron structure of the brain tissue. Each neuron performs a weighted sum operation on its input values and generates an output through a non-linear function with the weighted sum result. Exemplarily, Figure 5 is an example diagram of the structure of a neuron in a deep neural network. As Figure 5 shown, assume the input of the neuron is x = [x 0 , …, x n , the weights corresponding to the input are d = [d 0 , …, d n , the bias of the weighted sum is b, and the form of the non-linear function f can be diversified. For example, it can be the max{0, x} maximum value function. Then the execution effect of a neuron can be where i is the serial number of the input and y is the output of the model.

[0103] Exemplarily, Figure 6 is an example diagram of the structure of a neural network. As Figure 6As shown in the figure, a DNN generally has a multi-layer structure. Each layer of the DNN can contain multiple neurons. After the input layer of the DNN processes the received numerical values through neurons, it transmits them to the intermediate hidden layer. Similarly, the hidden layer then transmits the calculation results to the final output layer to generate the final output of the DNN. A DNN generally has more than one hidden layer, and the hidden layer often directly affects the ability to extract information and fit functions. Increasing the number of hidden layers of the DNN or expanding the width of each layer can improve the function fitting ability of the DNN. The weighted values in each neuron are the parameters of the DNN network model. The model parameters are optimized through the training process, so that the DNN network has the ability to extract data features and express mapping relationships.

[0104] It can be understood that the above is only an example of the neural network model, and this application does not limit the model structure used for beam pair determination.

[0105] In specific applications, the above AI-based beam pair prediction scheme has certain defects. For example, during the beam pair scanning and measurement result collection process, the wave emitted by the UE side will shift due to the rotation of the UE. In addition, there is a situation where after the UE completes the scanning and reporting of all beam pairs, due to the rotation of the UE, the relevant optimal beam pair information inferred by the AI is no longer applicable to the rotated UE, and high-quality data transmission (based on stable beam pairs) cannot be guaranteed, resulting in the need to re-perform beam scanning and pairing. That is to say, the rotation of the UE will lead to the accuracy of beam pair determination.

[0106] The embodiments of this application provide a beam pair determination method to solve the above problems. The method sends configuration information from a network device to a terminal device in the communication area where the network device is located, so that the terminal device can configure a coordinate grid network according to the configuration information. The coordinate grid network is used to indicate the grid-like vertical plane and / or grid-like horizontal plane of the communication area where the network device is located. Based on this, when the network device configures multiple reference information for the terminal device to support multiple rounds of beam pair scanning respectively, the terminal device can determine the state change information of the terminal device corresponding to at least one round of beam pair scanning and / or the beam pair quality information corresponding to at least one round of beam pair scanning according to the coordinate grid network, and report it to the network device. In this way, the beam pairs determined by the network device according to the reported beam quality information and the corresponding state change information of the terminal device are more suitable for the terminal device after the state change, thereby improving the determination accuracy of the beam pairs. In addition, the state change information of the terminal device corresponds to the coordinate grid network, which can ensure that the state change information is the information under the grid granularity of the coordinate grid network, and is relatively coarser-grained, which can reduce the fineness of the state change information and is beneficial to protecting the privacy of the terminal device.

[0107] Before describing the technical solutions of the embodiments of the present application, first, the application platform of the beam pair determination method in the embodiments of the present application will be described with reference to the accompanying drawings. The embodiments of the present application can be applied to a fifth-generation (5G) or new radio (NR) system. The present application can also be applied to other communication systems, such as a long-term evolution (LTE) system, an LTE frequency division duplex (FDD) system, an LTE time division duplex (TDD) system, a wireless local area network (WLAN) system, a satellite communication system, a future communication system, such as a sixth-generation (6G) mobile communication system, or a fusion system of multiple systems, etc. The technical solutions provided by the present application can also be applied to device-to-device (D2D) communication, vehicle-to-everything (V2X) communication, machine-to-machine (M2M) communication, machine type communication (MTC), and Internet of Things (IoT) communication systems, etc. Among them, the data can be carried on a physical channel, such as a physical downlink control channel (PDCCH), a physical downlink shared channel (PDSCH), a physical uplink shared channel (PUSCH), or a physical uplink control channel (PUCCH), etc., and for another example, a physical sidelink control channel (PSCCH), a physical sidelink shared channel (PSSCH).

[0108] A network element in a communication system can send a signal to another network element or receive a signal from another network element. The signal can include information, signaling, or data, etc. Among them, the network element can also be replaced by an entity, a network entity, a device, a communication device, a communication module, a node, a communication node, etc. In the present disclosure, the description is made by taking the network element as an example. For example, a communication system can include at least one terminal device and at least one network device. The network device can send a downlink signal to the terminal device, and / or the terminal device can send an uplink signal to the network device. It can be understood that the terminal device in the present disclosure can be replaced by a first network element, and the network device can be replaced by a second network element, and the two execute the corresponding communication methods in the present disclosure.

[0109] In the embodiments of the present application, the terminal device may also be referred to as a user equipment (UE), access terminal, user unit, user station, mobile station, mobile terminal, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device.

[0110] The terminal device may be a device that provides voice / data. For example, it may be a handheld device with wireless connection function, in-vehicle device, etc. Currently, some examples of terminals are: mobile phone, tablet computer, laptop, palmtop computer, mobile internet device (MID), wearable device, virtual reality (VR) device, augmented reality (AR) device, wireless terminal in industrial control, wireless terminal in self-driving, wireless terminal in remote medical surgery, wireless terminal in smart grid, wireless terminal in transportation safety, wireless terminal in smart city, wireless terminal in smart home, cellular phone, cordless phone, session initiation protocol (SIP) phone, wireless local loop (WLL) station, personal digital assistant (PDA), handheld device with wireless communication function, computing device or other processing device connected to a wireless modem, wearable device, terminal device in a 5G network or terminal device in a future evolved public land mobile network (PLMN), etc. The embodiments of the present application are not limited thereto.

[0111] By way of example and not limitation, in the embodiments of the present application, the terminal device may also be a wearable device. A wearable device, also known as a wearable intelligent device, is a general term for devices developed by applying wearable technology to the intelligent design of daily wear, such as glasses, gloves, watches, clothing, and shoes. A wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. A wearable device is not just a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction. Broadly speaking, wearable intelligent devices include those with complete functions and large sizes that can achieve complete or partial functions without relying on a smart phone, such as smart watches or smart glasses, as well as those that only focus on a certain type of application function and need to cooperate with other devices such as smart phones, such as various smart bracelets and smart jewelry for physical sign monitoring.

[0112] In the embodiments of the present application, the device for implementing the functions of the terminal device may be the terminal device itself or a device capable of supporting the terminal device to implement such functions, such as a chip system. This device may be installed in the terminal device or used in matching with the terminal device. In the embodiments of the present application, the chip system may be composed of chips or may include chips and other discrete devices. In the embodiments of the present application, only the case where the device for implementing the functions of the terminal device is the terminal device is taken as an example for illustration, which does not limit the solutions of the embodiments of the present application.

[0113] The network device in the embodiments of the present application can be a device for communicating with a terminal device, and this network device can also be referred to as an access network device or a radio access network device. For example, the network device can be a base station. The network device in the embodiments of the present application can refer to a radio access network (RAN) node (or device) that connects a terminal device to a wireless network. A base station can generally cover various names as follows, or be replaced with the following names, such as: Node B, evolved Node B (eNB), next generation Node B (gNB), relay station, access point, transmitting and receiving point (TRP), transmitting point (TP), master station, slave station, multi-standard radio (MSR) node, home base station, network controller, access node, wireless node, access point (AP), transmission node, transceiver node, baseband unit (BBU), remote radio unit (RRU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), radio unit (RU), positioning node, etc. A base station can be a macro base station, micro base station, relay node, donor node or the like, or a combination thereof. A base station can also refer to a communication module, modem or chip used in the aforementioned devices or apparatuses. A base station can also be a mobile switching center and a device that undertakes the function of a base station in D2D, V2X, M2M communications, a network-side device in a 6G network, a device that undertakes the function of a base station in a future communication system, etc. A base station can support networks of the same or different access technologies. Optionally, the RAN node can also be a server, a wearable device, a vehicle or an in-vehicle device, etc. For example, the access network device in vehicle to everything (V2X) technology can be a road side unit (RSU). The embodiments of the present application do not limit the specific technologies and specific device forms adopted by the network device.

[0114] In some deployments, the network device mentioned in the embodiments of the present application may be a device including a CU, or a DU, or a device including a CU and a DU, or a control plane CU node (Central Unit-Control Plane (CU-CP)) and a user plane CU node (Central Unit-User Plane (CU-UP)) and a DU node. For example, the network device may include a gNB-CU-CP, a gNB-CU-UP, and a gNB-DU.

[0115] In some deployments, multiple RAN nodes cooperate to assist a terminal in achieving wireless access, and different RAN nodes respectively implement some functions of a base station. For example, the RAN node may be a CU, a DU, a CU-CP, a CU-UP, or an RU, etc. The CU and the DU may be separately provided, or may also be included in the same network element, such as a BBU. The RU may be included in a radio frequency device or a radio frequency unit, such as included in an RRU, an AAU, or an RRH.

[0116] The RAN node may support one or more types of fronthaul interfaces. Different fronthaul interfaces respectively correspond to DUs and RUs with different functions. If the fronthaul interface between the DU and the RU is a Common Public Radio Interface (CPRI), the DU is configured to implement one or more of the baseband functions, and the RU is configured to implement one or more of the radio frequency functions. If the fronthaul interface between the DU and the RU is another interface, compared with the CPRI, some of the downlink and / or uplink baseband functions, for example, for the downlink, one or more of precoding, digital beamforming (BF), or inverse fast Fourier transform (IFFT) / adding cyclic prefix (CP), are moved from the DU to the RU for implementation. For the uplink, one or more of digital beamforming (BF), or fast Fourier transform (FFT) / removing cyclic prefix (CP) are moved from the DU to the RU for implementation. In a possible implementation manner, this interface may be an Enhanced Common Public Radio Interface (eCPRI). In the eCPRI architecture, the splitting method between the DU and the RU is different, corresponding to different categories (Cat) of eCPRI, such as eCPRI Cat A, B, C, D, E, F.

[0117] Taking eCPRI Cat A as an example, for downlink transmission, with layer mapping as the division, the DU is configured to implement one or more functions before layer mapping (i.e., one or more of encoding, rate matching, scrambling, modulation, and layer mapping), while other functions after layer mapping (e.g., one or more of RE mapping, digital beamforming (BF), or inverse fast Fourier transform (IFFT) / adding cyclic prefix (CP)) are moved to the RU for implementation. For uplink transmission, with de-RE mapping as the division, the DU is configured to implement one or more functions before demapping (i.e., one or more of decoding, derate matching, descrambling, demodulation, inverse discrete Fourier transform (IDFT), channel equalization, and de-RE mapping), while other functions after demapping (e.g., one or more of digital BF or fast Fourier transform (FFT) / removing CP) are moved to the RU for implementation. It can be understood that for the function descriptions of DU and RU corresponding to various types of eCPRI, reference can be made to the eCPRI protocol and will not be elaborated here.

[0118] In a possible design, the processing unit in the BBU for implementing baseband functions is called the baseband high (BBH) unit, and the processing unit in the RRU / AAU / RRH for implementing baseband functions is called the baseband low (BBL) unit.

[0119] In different systems, the CU (or CU-CP and CU-UP), DU, or RU may also have different names, but those skilled in the art can understand their meanings. For example, in the ORAN system, the CU can also be called O-CU (Open CU), the DU can also be called O-DU, the CU-CP can also be called O-CU-CP, the CU-UP can also be called O-CU-UP, and the RU can also be called O-RU. Any one of the CU (or CU-CP, CU-UP), DU, and RU in this application can be implemented through software modules, hardware modules, or a combination of software modules and hardware modules.

[0120] In the embodiments of the present application, the device for implementing the functions of a network device may be a network device; or it may be a device capable of supporting the network device to implement such functions, such as a chip system, a hardware circuit, a software module, or a combination of a hardware circuit and a software module. This device may be installed in the network device or used in combination with the network device. In the embodiments of the present application, only the case where the device for implementing the functions of the network device is a network device is used as an example for illustration, which does not limit the solutions of the embodiments of the present application.

[0121] The network device and / or the terminal device may be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; or may be deployed on water; or may also be deployed on airplanes, balloons, and satellites in the air. In the embodiments of the present application, the scenarios where the network device and the terminal device are located are not limited. In addition, the terminal device and the network device may be hardware devices, or may be software functions running on dedicated hardware or software functions running on general hardware. For example, they may be virtualized functions instantiated on a platform (such as a cloud platform), or may be entities including dedicated or general hardware devices and software functions. The present application does not limit the specific forms of the terminal device and the network device.

[0122] For example, Figure 7 is a schematic diagram of the application scenario cell of the embodiments of the present application. As Figure 7 shown, the communication system may be a cell. In this cell, when the first entity is a network device and the second entity is a terminal device (such as a UE), the network device and UE1 to UE6 form a communication system. In this communication system, the terminal devices UE1 to UE6 may send uplink data to the network device, and the network device receives the uplink data sent by UE1 to UE6. In addition, the network device may send configuration information to UE1 to UE6.

[0123] In order to support AI technology in a wireless network, AI nodes may also be introduced into the network.

[0124] Optionally, the AI node(s) may be deployed at one or more of the following positions in the communication system: an access network device, a terminal device, or a core network device, etc. Or, the AI node(s) may also be deployed separately. For example, it may be deployed at a position outside any of the above-mentioned devices, such as in the host of an over the top (OTT) system or a cloud server. The AI node(s) may communicate with other devices in the communication system, and the other devices may be, for example, one or more of the following: a network device, a terminal device, or a network element of the core network, etc.

[0125] It can be understood that the present application does not limit the number of AI nodes. For example, when there are multiple AI nodes, the multiple AI nodes may be divided based on functions, such as different AI nodes being responsible for different functions.

[0126] It can also be understood that the AI nodes can be independent devices respectively, or can be integrated into the same device to implement different functions, or can be network elements in a hardware device, or can be software functions running on dedicated hardware, or can be virtualized functions instantiated on a platform (such as a cloud platform). The present application does not limit the specific form of the above AI nodes.

[0127] The AI node can be an AI network element or an AI module.

[0128] Figure 8 is a schematic diagram of a possible application framework in a communication system. As Figure 8 shown, the network elements in the communication system are connected through interfaces (such as NG, Xn) or the air interface. One or more AI modules are provided in one or more of these network elements, such as core network devices, access network nodes (RAN nodes), terminals, or OAM. (For clarity, Figure 8 only 1 is shown). The access network node can be a separate RAN node or can include multiple RAN nodes. For example, it includes a CU and a DU. One or more AI modules can also be provided in the CU and / or the DU. Optionally, the CU can also be split into a CU-CP and a CU-UP. One or more AI models are provided in the CU-CP and / or the CU-UP.

[0129] The AI module is used to implement the corresponding AI function. The AI modules deployed in different network elements can be the same or different. According to different parameter configurations of the model of the AI module, the AI module can implement different functions. The model of the AI module can be based on one or more of the following parameter configurations: structural parameters (such as at least one of the number of neural network layers, the width of the neural network, the connection relationship between layers, the weights of neurons, the activation function of neurons, or the bias in the activation function), input parameters (such as the type and / or dimension of the input parameters), or output parameters (such as the type and / or dimension of the output parameters). Among them, the bias in the activation function can also be called the bias of the neural network.

[0130] An AI module can have one or more models. One model can infer an output, and the output includes one parameter or multiple parameters. The learning process, training process, or inference process of different models can be deployed in different nodes or devices, or can be deployed in the same node or device.

[0131] Figure 9 is a schematic diagram of a communication system applicable to the communication method of the embodiments of the present application. As Figure 9 shown, the communication system 900 can include at least one network device, such as Figure 9The network device 910 shown; the communication system 900 may further include at least one terminal device, such as Figure 9 the terminal device 920 and the terminal device 930 shown. The network device 910 and the terminal devices (such as the terminal device 920 and the terminal device 930) can communicate through a wireless link. Between the communication devices in this communication system, for example, between the network device 910 and the terminal device 920, communication can be carried out through multi-antenna technology. The communication system 900 further includes an AI network element 940. The AI network element 940 is used to perform AI-related operations, such as constructing a training data set or training an AI model, etc.

[0132] In a possible implementation, the network device 910 can send data related to the training of the AI model to the AI network element 940, and the AI network element 940 constructs a training data set and trains the AI model. For example, the data related to the training of the AI model may include data reported by the terminal device. The AI network element 940 can send the results of the operations related to the AI model to the network device 910, and forward them to the terminal device through the network device 910. For example, the results of the operations related to the AI model may include at least one of the following: the AI model that has completed training, the evaluation result of the model, or the test result, etc. Exemplarily, a part of the AI model that has completed training can be deployed on the network device 910, and another part can be deployed on the terminal device. Alternatively, the AI model that has completed training can be deployed on the network device 910. Or, the AI model that has completed training can be deployed on the terminal device.

[0133] It should be understood that Figure 9 Only taking the example that the AI network element 940 is directly connected to the network device 910 for illustration, in other scenarios, the AI network element 940 can also be connected to the terminal device. Or, the AI network element 940 can be connected to both the network device 910 and the terminal device at the same time. Or, the AI network element 940 can also be connected to the network device 910 through a third-party network element. The embodiments of the present application do not limit the connection relationship between the AI network element and other network elements.

[0134] The AI network element 940 can also be set as a module in the network device and / or the terminal device, for example, set in Figure 9 the network device 910 or the terminal device shown.

[0135] It should be noted that Figure 9 It is only a simplified schematic diagram for easy understanding. For example, the communication system may further include other devices, such as a wireless relay device and / or a wireless backhaul device, etc. Figure 9It is not drawn in the figure. In practical applications, the communication system may include multiple network devices or multiple terminal devices. The embodiments of the present application do not limit the number of network devices and terminal devices included in the communication system.

[0136] It should be understood that in the present application, indication includes direct indication (also known as explicit indication) and implicit indication. Among them, directly indicating information A means including the information A; implicitly indicating information A means indicating information A through the correspondence between information A and information B and directly indicating information B. Among them, the correspondence between information A and information B can be predefined, pre-stored, pre-burned, or pre-configured.

[0137] It should be understood that in the present application, information C is used for the determination of information D, which includes both the case where information D is determined only based on information C and the case where it is determined based on information C and other information. In addition, when information C is used for the determination of information D, there may also be an indirect determination case, for example, information D is determined based on information E, and information E is determined based on information C.

[0138] In addition, in the embodiments of the present application, "network element A sends information A to network element B" can be understood as the destination end of the information A or an intermediate network element in the transmission path between the destination ends is network element B, which may include directly or indirectly sending information to network element B. "Network element B receives information A from network element A" can be understood as the source end of the information A or an intermediate network element in the transmission path between the source ends is network element A, which may include directly or indirectly receiving information from network element A. Necessary processing may be performed on the information between the source end and the destination end of the information transmission, such as format change, etc., but the destination end can understand the valid information from the source end. Similar expressions in the present application can be understood similarly and will not be elaborated here.

[0139] The term "and / or" in this article is merely a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone.

[0140] The terms "first", "second", etc. in the description and claims of the embodiments of the present application are used to distinguish different objects, rather than to describe a specific order of the objects. For example, the first target object and the second target object are used to distinguish different target objects, rather than to describe a specific order of the target objects.

[0141] In the embodiments of the present application, words such as "exemplary" or "for example" are used to represent examples, illustrations or explanations. Any embodiment or design solution described as "exemplary" or "for example" in the embodiments of the present application should not be construed as being more preferred or more advantageous than other embodiments or design solutions. Rather, the use of words such as "exemplary" or "for example" is intended to present relevant concepts in a specific manner.

[0142] In the description of the embodiments of the present application, unless otherwise specified, "a plurality of" means two or more. For example, a plurality of processing units means two or more processing units; a plurality of systems means two or more systems.

[0143] The following Figures 10 to 14 specifically describes the beam pair determination method provided by the embodiments of the present application.

[0144] Exemplarily, Figure 10 is one of the flow schematic diagrams of a beam pair determination method provided by the embodiments of the present application. As Figure 10 shown, the beam pair determination method may include:

[0145] S1001, the network device sends configuration information to the terminal device.

[0146] Among them, the network device and the terminal device are in the same communication area (such as a cell). For example, Figure 7 in the shown cell, the network device may be a base station, and the terminal device may be UE5. The configuration information is used to instruct the terminal device to configure a coordinate grid network, and the coordinate grid network is used to indicate the grid-like vertical plane and / or grid-like horizontal plane of the communication area. Exemplarily, Figure 11 is an example diagram of the coordinate grid network provided by the embodiments of the present application. As Figure 11 shown, the coordinate grid network is obtained by dividing at least one of the vertical plane and the horizontal plane of the communication area where the network device is located into a grid form. For the convenience of understanding and description, Figure 11 a single plane is used as an example to illustrate the coordinate grid network.

[0147] In an alternative embodiment, the network device is on the central axis of the coordinate grid network. That is to say, the creation rule of the coordinate grid network can be to use the position of the network device in the communication area as the central axis, and divide the horizontal plane and the vertical plane of the communication area into a grid form.

[0148] Taking the network device such as a base station as the central axis, the grids of the coordinate grid network can cover the terminal device as evenly as possible. Exemplarily, Figure 12 is an example diagram of the terminal device rotation scenario and orientation information provided by the embodiments of the present application. As Figure 12As shown, different grids of the coordinate grid network respectively cover terminal devices such as mobile phone UE2, mobile phone UE1, and mobile phone UE3.

[0149] In the embodiment of the present application, the network device is the axis of the coordinate grid network. In this way, the grid division of the coordinate grid network is as uniform as possible, ensuring that the grids of the coordinate grid network cover the terminal devices accessing this communication area more reasonably, improving the convenience and accuracy of the orientation information determined based on the orientation baseline indicating the orientation in the grid, and thus further improving the accuracy of beam pair determination.

[0150] S1002. The terminal device obtains the coordinate grid network based on the configuration information.

[0151] The configuration information can be the definition of the coordinate grid network or the coordinate grid network itself; for the case where the configuration information is the coordinate grid network, the network device can create the coordinate grid network according to the predefined before sending the coordinate grid network, or can read the preset coordinate grid network. Correspondingly, the terminal device can create the coordinate grid network according to the definition indicated by the configuration information, or can read the coordinate grid network indicated by the configuration information.

[0152] In an optional implementation manner, the above S1001 may specifically include: when the terminal device accesses the target communication network, the network device sends the configuration information to the terminal device; where the target communication network is the communication network covering the communication area where the network device is located.

[0153] Exemplarily, Figure 13 is one of the schematic flowcharts of a beam pair determination method provided by the embodiment of the present application. As Figure 13 shown, the beam pair determination method may include:

[0154] S1301. The network device sends the configuration information when the terminal device initially accesses the cell.

[0155] When the UE enters a cell, it first completes the process of initially accessing the cell. In the case of completing the initial access, the base station in this cell synchronizes the coordinate grid network on the network side to the UE in the form of configuration information. Since then, the UE can obtain the specific rules that should be followed for reporting the measurement results of beam pairs during the subsequent beam pair scanning process according to the configuration information, and obtain the specific rules for quantifying the corresponding UE-side behavior state. For example, determine the UE-side state change information according to the coordinate grid network.

[0156] In the embodiment of the present application, when the terminal device accesses the communication network in the communication area, the network device sends the coordinate grid network, so as to ensure that the terminal device can determine and report the orientation information in time, and further improve the accuracy of beam pair determination.

[0157] S1302, the terminal device obtains a coordinate grid network based on the configuration information.

[0158] The above S1302 is the same as S1002 and will not be elaborated here. For details, see Figure 10 the description of S1002 in the embodiment.

[0159] S1003, the network device configures the reference signal corresponding to each round of beam pair scanning in multiple rounds of beam pair scanning for the terminal device.

[0160] When the network device synchronizes the configuration information of the coordinate grid network to the terminal device, it can perform multiple rounds of beam pair scanning: the network device configures the reference signal corresponding to each round of beam pair scanning in multiple rounds of beam pair scanning for the terminal device. For ease of understanding, the following combines Figure 13 to specifically illustrate this process.

[0161] S1303, the network device configures the reference signal for supporting the first round of beam pair scanning for the terminal device.

[0162] Exemplarily, the base station can perform sparse beam scanning: according to the sparse beam pattern (such as Figure 4a the codebook shown, Figure 4b the transmitted wave of the scanning shown) to indicate which beams in the full beam need to be beam scanned to obtain beam pair quality information. Similar to Figure 4b the embodiment, in the beam pair determination based on AI, these beam quality information are the inputs of the beam pair determination model. In this way, through sparse beam scanning, the performance close to full beam scanning can be achieved, and the overhead required for beam scanning can be reduced, achieving the effect of full codebook scanning. The reference signal can be, for example, a Synchronization Signal Block (SSB) or a CSI Reference Signal (CSI-RS). Based on this, in multiple rounds of beam pair scanning, the network device configures the reference signal for supporting the first round of beam pair scanning for the terminal device, and the effect of the network side performing the first round of beam pair scanning can be achieved. The transmitted beam at this time can be, for example, beam 1.

[0163] It can be understood that the execution order of the above S1002 and S1003 is only an example. S1002 can be executed after S1001 and before the subsequent S1004. This embodiment does not limit this.

[0164] S1004, the terminal device obtains the beam quality information corresponding to at least one round of beam pair scanning.

[0165] Similar to Figure 4b the embodiment of, the terminal device, such as a UE, can receive the transmitted beam by receiving beam scanning and obtain the measurement results of the scanned beam pairs, such as beam pair quality information such as RSRP and RSRQ. For example, still referring to Figure 13 :

[0166] S1304, the terminal device performs a scan of the receiving beam Rx beam 1 corresponding to the first round of beam pair scanning, and obtains the beam quality information RSPR1 corresponding to the first round of beam pair scanning.

[0167] For example, the UE performs a scan of the receiving beam Rx beam 1 corresponding to the first round of beam pair scanning, and obtains the measurement result of the receiving beam Rx beam 1 (for example, RSRP1), which is also the beam pair quality information corresponding to the first round of beam pair (i.e., beam pair [beam1, Rx beam1]) scanning. When the receiving beam on the UE side completes the beam scanning and obtains the measurement result, a reference signal configuration period is completed.

[0168] S1005, the terminal device determines the status change information of the terminal device corresponding to at least one round of beam pair scanning according to the coordinate grid.

[0169] The status change of the terminal device affects the direction of the receiving beam. Based on this, after the network device configures the reference signal for the terminal device to support the first round of beam pair scanning, the terminal device can determine the status change information of the terminal device corresponding to at least one round of beam pair scanning according to the coordinate grid. That is to say, in one example, the execution order of S1005 and S1004 in this embodiment is not limited, and S1005 can be executed after S1003.

[0170] Among them, the status change information is used to indicate the status change of the terminal device during at least one round of beam pair scanning; the status change information corresponds to the coordinate grid.

[0171] In an optional implementation manner, the status change information corresponding to one round of beam pair scanning is used to indicate the status change of the terminal device during the configuration period of the reference signal corresponding to the beam pair scanning.

[0172] Exemplarily, the status change of the terminal device affects the accuracy of the beam pair quality information, and the beam pair quality information is obtained during the reference signal configuration period. Based on this, the terminal device can obtain the status change information of the terminal device corresponding to this round of beam pair scanning during the configuration period of the reference signal corresponding to one round of beam pair scanning.

[0173] In an optional implementation manner, the status change information includes orientation change information and / or movement direction information; among them, the orientation change information is used to indicate the orientation change of the terminal device in the coordinate grid; the movement direction information is used to indicate the movement direction of the terminal device in the coordinate grid. For the sake of easy understanding and convenient description, in the following Figure 13 and Figure 14 the orientation change information is taken as an example for illustration.

[0174] It can be understood that the orientation change may include a change in the orientation of the terminal device in the coordinate grid and / or the orientation remains unchanged; the movement direction may include the direction after the terminal device moves in the coordinate grid and / or there is no movement direction, that is, no movement.

[0175] In the embodiments of the present application, the status change information includes orientation change information and / or movement direction information. The orientation change information can reflect the rotation situation of the terminal device, and the movement direction information can reflect the movement trend of the terminal device. Furthermore, the network device can ensure that the optimal beam pair is more suitable for the terminal device with a status change, and improve the accuracy of the determined beam pair in the case where the terminal rotates and / or moves.

[0176] After the terminal device performs the receiving beam scanning corresponding to the first round of beam pair scanning and obtains the beam quality information corresponding to the first round of beam pair scanning, it can determine the current orientation coordinates (vertical1, horizontal1) according to the coordinate grid. That is, to determine the status information in the first reference signal configuration period, and this status information specifically includes orientation information. There is no beam pair scanning and acquisition of beam pair quality information before the first reference signal configuration period. Based on this, in one example, the status change in the first reference signal configuration period can be defaulted to no change, that is, the status change information corresponding to the reference signal configuration period of the first round of beam pair scanning is not acquired, but the status information of the terminal device is acquired to be used to determine the status change information corresponding to the reference signal configuration period of the second round of beam pair scanning.

[0177] In an alternative embodiment, the orientation change information is information determined by the terminal device according to the coordinate grid and the orientation baseline; the orientation baseline is used to indicate the first predefined direction corresponding to the terminal device.

[0178] Specifically, the terminal device can determine the orientation information corresponding to at least one round of beam pair scanning according to the coordinate grid and the orientation baseline, so as to determine the orientation change information corresponding to the current round of beam pair scanning according to the orientation information corresponding to the previous round of beam pair scanning and the orientation information corresponding to the current round of beam pair scanning. For Figure 13 example:

[0179] S1305, the terminal device determines the current orientation coordinates (vertical1, horizontal1) according to the coordinate grid.

[0180] It can be understood that the execution order between S1303 and S1304 is not limited in this embodiment, and S1303 and S1304 can be executed after the first round of beam pair scanning is completed and before the status change information corresponding to the second round of beam pair scanning is determined.

[0181] Exemplarily, the terminal device receives the transmitting beam beam 1 through the receiving beam Rx beam 1 in the first round of beam pair scanning, and determines the current orientation coordinates (vertical1, horizontal1) according to the coordinate grid and the orientation baseline. Among them, the current orientation coordinates (vertical1, horizontal1) are the current orientation information of the terminal device. "Current" refers to the period from when the terminal device receives the transmitting beam beam 1 to when it determines the current orientation coordinates. (vertical1, horizontal1) is used to indicate the orientation coordinate vertical1 of the terminal device in the vertical plane (vertical) and the orientation coordinate horizontal1 of the terminal device in the horizontal plane (horizontal1). The orientation coordinates are also the orientation information, which is used to indicate the direction in which the terminal device is located in the coordinate grid.

[0182] In the embodiment of the present application, the change of the orientation of the terminal device in the coordinate grid is determined through the orientation baseline, without the need to calculate according to the position information of the terminal device, which is more convenient.

[0183] In another example, the first predefined direction includes a direction with a fixed relative position between the grid where the terminal device is located; the orientation change information includes the direction corresponding to the relative position between the terminal device and the orientation baseline. For example, the orientation baseline is a horizontal line or a vertical line in the grid where the terminal device is located. The terminal device can determine the relative position coordinates between the terminal device and the orientation baseline according to its own position coordinates and the position coordinates of the orientation baseline, and calculate the angle between the terminal device and the orientation baseline according to the relative position coordinates. The orientation corresponding to this angle is the orientation information of the terminal device.

[0184] In an optional implementation manner, the first predefined direction includes a direction with a fixed relative position with respect to the terminal device; the orientation change information includes the change of the reference orientation corresponding to the orientation baseline among multiple reference orientations;

[0185] Among them, one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the terminal device is located in the coordinate grid; the multiple second predefined directions are respectively used to indicate different directions.

[0186] Exemplarily, the first predefined direction may be a direction with a fixed angle with the horizontal plane of the terminal device. For example, it is perpendicular to the horizontal plane of the terminal device, at a 60-degree angle, etc. Still refer to Figure 12, taking the first predefined direction as perpendicular to the terminal device as an example, and dividing the grid where the terminal device is located in the horizontal and vertical planes of the three-dimensional space into multiple granularities. For example, the 360 degrees of the horizontal plane are divided into 8 granularities, with each 45 degrees being a granularity, and the same applies to the vertical plane. For example, the grid where the mobile phone UE2 is located includes eight reference orientations from 1 to 8. At this time, the status change information of the mobile phone UE2 does not need to be the specific angle information of its own rotation at the current position, that is, relatively fine status information, but an absolute orientation information with relatively coarse granularity. For example Figure 12 the reference orientation "2" that is more matched with the orientation baseline in

[0187] It can be understood that the above symbol forms for indicating the reference orientation and the symbol forms for indicating the orientation information (such as positive integers) are all examples, and this embodiment does not limit the symbol forms for indicating the orientation information and the reference orientation.

[0188] In the embodiment of the present application, multiple second predefined directions are respectively used to indicate different directions, and the relative position between the orientation baseline and the terminal device is fixed. In this way, the orientation information of the terminal device can be selected from multiple reference orientations according to the relative position relationship between the orientation baseline and each reference orientation, and then the orientation change information can be indicated according to the change of the orientation information without calculation, improving the beam pair determination efficiency. In addition, the orientation information determined by the reference orientation does not involve fine angle information, which is beneficial to protecting the privacy of the terminal device.

[0189] S1006, the terminal device reports the beam quality information corresponding to at least one round of beam pair scanning and / or the status change information of the terminal device to the network device.

[0190] When the terminal device reports the beam quality information corresponding to at least one round of beam pair scanning and / or the status change information of the terminal device, there can be two reporting methods:

[0191] The first reporting method: The terminal device reports the measurement result and / or the status change information corresponding to this round of beam pair scanning of the terminal device to the network side every time it completes a beam pair scanning. Exemplarily, still referring to Figure 13 :

[0192] S1306, the terminal device reports the beam quality information RSPR1 corresponding to the first round of beam pair scanning.

[0193] For the first round of beam pair scanning, since the terminal device does not obtain its own status change information, it only needs to report the beam quality information. For the beam pair scanning after the first round of beam pair scanning, the beam quality information and the status change information of the terminal device corresponding to this round can be reported.

[0194] The second reporting method: After the terminal device completes the scanning of all receiving beams, it reports all the obtained measurement results, that is, the beam pair quality information. Correspondingly, in one example, the terminal device can report all the determined state change information of the terminal device after completing the scanning of all receiving beams.

[0195] Still taking Figure 13 as an example:

[0196] S1307, the network device configures a reference signal for the terminal device to support the second round of beam pair scanning.

[0197] The above S1307 is similar to S1303, the difference is that the beam pair scanning round is the second round. For the same parts, refer to the description of S1303 above, which will not be elaborated here.

[0198] S1308, the terminal device performs the receiving beam scanning corresponding to the second round of beam pair scanning and obtains the beam quality information corresponding to the second round of beam pair scanning.

[0199] For example, the UE performs the scanning of the receiving beam Rx beam2 corresponding to the second round of beam pair scanning and obtains the measurement result (such as RSRP) of the receiving beam Rx beam 2, which is also the beam pair quality information corresponding to the second round of beam pair (i.e., beam pair [beam2, Rx beam 2]) scanning.

[0200] S1309, the terminal device determines the current orientation coordinates (vertical3, horizontal8) according to the coordinate grid network and determines the current orientation change coordinates (vertical1-3, horizontal1-8).

[0201] When the terminal device completes the scanning of Rx beam 1, the network device configures the second-round reference signal for the terminal device. Correspondingly, the UE side switches the receiving beam to Rx beam 2. During the second-round reference signal configuration period, for example, during the time between the UE side scans the beam pairs based on Rx beam 1 and obtains the measurements and scans the beam pairs based on Rx beam 2 and obtains the measurement results, if the UE undergoes a state change such as rotation, the rotation information can be obtained as auxiliary information for determining beam pairs based on AI.

[0202] For example, still referring to Figure 12, the UE can determine that when scanning the previous Rx beam (such as Rx beam1), the orientation information of the UE in the horizontal plane is 1 and the orientation information in the vertical plane is 1 based on the coordinate grid synchronized with the network side and the orientation baseline, that is, the orientation coordinates (vertical1, horizontal1) corresponding to the first round of beam pair scanning. When scanning the current Rx beam (such as Rx beam2), the UE rotates, approximately 70 degrees. At this time, based on the coordinate grid, the orientation information determined by the UE is (vertical3, horizontal8). Then, in the second round of reference information configuration period, that is, the orientation change information corresponding to the second round of beam pair scanning is the current orientation change coordinates (vertical1-3, horizontal1-8).

[0203] S1310, the terminal device reports the beam quality information RSPR2 and the orientation change coordinates (vertical1-3, horizontal1-8) corresponding to the second round of beam pair scanning.

[0204] The above S1310 is similar to S1306, except that the beam pair scanning rounds are different and the reported information is different. For the same parts, they will not be elaborated here. For details, please refer to the description of S1306 above.

[0205] When the terminal device subsequently switches to Rx beam 3 and Rx beam 4 for scanning, it follows the method for Rx beam 2. The difference lies in the beam rounds, that is, the quantities that the UE needs to report are the measurement results obtained by scanning and the state change information of the terminal device determined based on the coordinate grid, that is, the quantization information of the state change. Figure 13 For the sake of description, the process of the third round of beam pair scanning similar to the second round of beam pair scanning is omitted. The difference is that the scanning round is the third round. For the same parts, they will not be elaborated here. Please refer to the description of the second round of beam pair scanning above. Taking the fourth round of beam pair scanning as an example below, similar to S1307 to S1309 Figure 13 S1311 to S1313 are as follows:

[0206] S1311, the network device configures the reference signal for the terminal device to support the 4th round of beam pair scanning;

[0207] S1312, the terminal device performs the receive beam scanning corresponding to the fourth round of beam pair scanning and obtains the beam quality information corresponding to the fourth round of beam pair scanning;

[0208] S1313. The terminal device determines the current orientation coordinates (vertical8, horizontal8) according to the coordinate grid network, and determines the current orientation change coordinates (vertical3 - 8, horizontal8 - 8).

[0209] S1314. The terminal device reports the beam quality information RSPR4 corresponding to the fourth round of beam pair scanning and the orientation change coordinates (vertical3 - 8, horizontal8 - 8).

[0210] The above S1314 is similar to S1306, the difference is that the beam pair scanning rounds are different, and the reported information is different. For the same parts, they will not be elaborated here. For details, please refer to the description of S1306 above.

[0211] In the embodiments of the present application, the status change information indicates the status change of the terminal device within the corresponding reference information configuration period, ensuring that the beam quality information is more adapted to the terminal status, thereby further improving the accuracy of beam pair determination.

[0212] In an alternative embodiment, the movement direction information includes the reference orientations corresponding to the position change of the terminal device among multiple reference orientations;

[0213] Among them, one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the terminal device is located in the coordinate grid network; the multiple second predefined directions are respectively used to indicate different directions.

[0214] Exemplarily, when the terminal device moves itself, it can select the reference orientation corresponding to the moved position information among multiple reference orientations to obtain the movement direction information. Still referring to Figure 12 , when the mobile phone UE2 moves to the grid where the mobile phone UE1 is located, the movement orientation information can be the reference orientation "8".

[0215] In the embodiments of the present application, the multiple second predefined directions are respectively used to indicate different directions. In this way, when the terminal device moves, it is more convenient to determine the movement direction of the terminal device through the reference orientation.

[0216] S1007. The network device determines the optimal beam pair based on the beam quality information corresponding to at least one round of beam pair scanning and / or the status change information of the terminal device.

[0217] When the network device finishes multiple rounds of beam pair scanning, it can determine the optimal beam pair based on the beam quality information corresponding to at least one round of beam pair scanning and / or the status change information of the terminal device. Among them, the beam quality information corresponding to at least one round of beam pair scanning and / or the status change information of the terminal device can include one of the following: the beam quality information corresponding to at least one round of beam pair scanning; the status change information of the terminal device corresponding to at least one round of beam pair scanning; the beam quality information corresponding to at least one round of beam pair scanning and the status change information of the terminal device. At least one round of beam pair scanning can include: one round of beam pair scanning or multiple rounds of beam pair scanning.

[0218] In an alternative embodiment, the above S1007 may specifically include:

[0219] The network device inputs the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the status change information of the terminal device into a pre-trained beam pair determination model to obtain optimal beam pair indication information;

[0220] The network device determines the optimal beam pair among multiple candidate beam pairs according to the optimal beam pair indication information;

[0221] Among them, the beam pair determination model is an artificial intelligence model trained using sample measurement data and the optimal beam pair labels corresponding to the sample measurement data. The sample measurement data includes sample beam quality information and / or sample status change information of the terminal device.

[0222] When the network side obtains the reported information from the UE side, that is, the beam quality information corresponding to at least one round of beam pair scanning and / or the status change information of the terminal device, the reported information can be input into a pre-trained AI network, such as a beam pair determination model. For example Figure 13 As shown, the input of the AI model can include: beam pair quality information [RSRP_rx1; RSRP_rx2; RSRP_rx3; RSRP_rx4;], and the corresponding status information of the terminal device [0; Rotation_rx2; Rotation_rx3; Rotation_rx4;]. Among them, rx1 to rx4 represent the first round of beam pair scanning to the fourth round of beam pair scanning. Correspondingly, the task undertaken by the beam pair determination model at this time is to predict the optimal one or K beam pairs in the terminal device state indicated by the status change information of the terminal device. For example, when the orientation change information of the terminal device is (vertical1-3, horizontal1-8) and the beam pair quality information is RSPR1, the optimal one or K beam pairs.

[0223] Exemplarily, the above method for obtaining the optimal beam pair through the beam pair determination model is the same asFigure 4b Similarly, the difference is that the beam pair determination model input includes, in addition to the beam pair quality information, the status change information of the terminal device. In the model training phase, the measurement results corresponding to the respective positions of the sparse beam pattern and / or the status change information of the terminal device can be used as sample measurement data. By comparing the magnitudes of the respective measurement results, the label (optimal beam pair label) of the classification training method can be obtained, which is the ID of the optimal beam pair, and the measurement results corresponding to all beam pairs can also be used as the label of the AI regression training method. According to the specific method of AI training, the output of the AI is different. For example, if the training is based on the regression method, the AI output is the RSRP at this time. If the training is based on the classification training method, the AI output is the probability that each beam pair is the optimal beam pair. That is to say, the output of the beam pair determination model can be the ID of the optimal beam pair, such as the beam pair index (corresponding to the classification training method) or the RSRP corresponding to each beam pair (corresponding to the regression training method).

[0224] In the embodiment of the present application, the network device uses the pre-trained beam pair determination model to determine the optimal beam pair, which can balance the efficiency and accuracy of beam pair determination.

[0225] In an optional example, the above S1007 may specifically include:

[0226] The network device determines the optimal beam pair based on the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the target status change information of the terminal device; wherein, the target status change information includes the information indicating a change in the status of the terminal device among the status change information of the terminal device corresponding to at least one round of beam pair scanning reported by the terminal device.

[0227] Or,[[]]

[0228] The status change situation includes the situation of the status change of the terminal device.

[0229] Exemplarily, as Figure 13 shown, the terminal device reports all the determined status change information of the terminal device to the network device. In this way, the network device can screen the target status change information from it for determining the optimal beam pair. Or, the status change situation includes the situation of the status change of the terminal device. Then, when the status indicated by the status change information is a change, the terminal device reports the status change information. For example, if the status change information is the orientation change coordinates (vertical3-3, horizontal8-8), which means that the orientation of the terminal device in the horizontal and vertical planes has not changed, then the terminal device does not report the status change information (vertical3-3, horizontal8-8).

[0230] In the embodiments of the present application, when the terminal device defaults to report the status information of the terminal device, the network side can screen the information indicating the status change from the received status information of the terminal device, thereby reducing the model calculation amount. In addition, the terminal device does not need to set different reporting processes, which is more convenient. The terminal device reports the status information of the terminal device indicating the status change, so that the radio interface resources required for reporting can be saved, and the calculation amount for the network device to determine the beam pair can be reduced.

[0231] Still referring to Figure 13 :

[0232] S1315. The network device determines the optimal beam pair based on the received beam quality information and / or the status change information of the terminal device.

[0233] The above S1315 is similar to S1007, the difference being that in S1315, when the terminal device obtains the beam pair quality information and the corresponding status information of the terminal device, it reports to the network device. For the same parts, they will not be elaborated here, and for details, please refer to the description of S1007 above.

[0234] Exemplarily, Figure 14 is one of the flow schematic diagrams of a beam pair determination method provided by the embodiments of the present application. As Figure 14 shown, the beam pair determination method may include:

[0235] S1401. When the terminal device initially accesses the cell, the network device sends configuration information;

[0236] S1402. The terminal device obtains a coordinate grid network based on the configuration information;

[0237] S1403. The network device configures a reference signal for the terminal device to support the first round of beam pair scanning;

[0238] S1404. The terminal device performs the receive beam Rx beam 1 scanning corresponding to the first round of beam pair scanning, and obtains the beam quality information RSPR1 corresponding to the first round of beam pair scanning;

[0239] S1405. The terminal device determines the current orientation coordinates (vertical1, horizontal1) according to the coordinate grid network;

[0240] S1406. The network device configures a reference signal for the terminal device to support the second round of beam pair scanning;

[0241] S1407. The terminal device performs the receive beam scanning corresponding to the second round of beam pair scanning, and obtains the beam quality information corresponding to the second round of beam pair scanning;

[0242] S1408, the terminal device determines the current orientation coordinates (vertical3, horizontal8) according to the coordinate grid network, and determines the current orientation change coordinates (vertical1-3, horizontal1-8);

[0243] S1409, the network device configures a reference signal for the terminal device to support the fourth round of beam pair scanning;

[0244] S1410, the terminal device performs the receive beam scanning corresponding to the fourth round of beam pair scanning, and obtains the beam quality information corresponding to the fourth round of beam pair scanning;

[0245] S1411, the terminal device determines the current orientation coordinates (vertical8, horizontal8) according to the coordinate grid network, and determines the current orientation change coordinates (vertical3-8, horizontal8-8);

[0246] S1412, the terminal device reports the beam quality information corresponding to the first round to the fourth round of beam pair scanning, and the orientation change coordinates corresponding to the second round to the fourth round of beam pair scanning;

[0247] S1413, the network device determines the optimal beam pair based on the received beam quality information and / or the status change information of the terminal device.

[0248] Figure 14 The embodiment is similar to the above Figure 13 embodiment, the difference is that Figure 14 in the embodiment, each time the terminal device obtains the beam pair quality information and the status change information of the terminal device, it is not reported to the network device. Instead, when the multi-round beam pair scanning is completed, all the obtained beam pair quality information and the status change information of the terminal device are reported to the network device. For the same parts, they will not be elaborated here. For details, see the description of the above Figure 13 embodiment.

[0249] It can be understood that the embodiments of the present application do not limit the form of the signals transmitted between the network device and the terminal device (such as configuration information, beam quality information, status information of the terminal device, etc.). For example, the configuration information can be encapsulated into a data packet alone, or can be encapsulated in the same data packet as other signals sent by the network device to the terminal device.

[0250] In the embodiment of the present application, the network device sends configuration information to the terminal devices in the communication area where the network device is located, so that the terminal devices can configure the coordinate grid network according to the configuration information. Wherein, the coordinate grid network is used to indicate the grid-shaped vertical plane and / or the grid-shaped horizontal plane of the communication area where the network device is located. Based on this, when the network device configures multiple reference information for the terminal devices to support multiple rounds of beam pair scanning respectively, the terminal devices can determine the state change information of the terminal devices corresponding to at least one round of beam pair scanning, and / or the beam pair quality information corresponding to at least one round of beam pair scanning according to the coordinate grid network, and report it to the network device. In this way, the beam pairs determined by the network device according to the reported beam quality information and the corresponding state change information of the terminal devices are more suitable for the terminal devices after the state change, thereby improving the determination accuracy of the beam pairs. In addition, the state change information of the terminal device corresponds to the coordinate grid network, which can ensure that the state change information is the information under the grid granularity of the coordinate grid network, relatively coarser granularity, and can reduce the fineness of the state change information, which is beneficial to protecting the privacy of the terminal device.

[0251] In addition, this application Figure 8 and Figure 9 The application frameworks and communication systems shown respectively include the corresponding hardware and / or software modules for performing each function in order to implement the functions of the beam pair determination method in the above embodiments of the present application. Combining the algorithm steps of each example described in the embodiments disclosed herein, the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed in the way of hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application in combination with the embodiments, but such implementation should not be considered to exceed the scope of the present application.

[0252] This embodiment also provides a computer storage medium, in which computer instructions are stored. When the computer instructions run on an electronic device, the electronic device is enabled to execute the above related method steps to implement the beam pair determination method in the above embodiments.

[0253] This embodiment also provides a computer program product. When the computer program product runs on a computer, the computer is enabled to execute the above related steps to implement the beam pair determination method in the above embodiments.

[0254] Among them, the electronic device, computer storage medium, computer program product or chip provided in this embodiment are all used to execute the corresponding methods provided above. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects in the corresponding methods provided above, and will not be elaborated here.

[0255] Any content of each embodiment of the present application, as well as any content of the same embodiment, can be freely combined. Any combination of the above content is within the scope of the present application.

[0256] Those skilled in the art should be able to realize that in one or more of the above examples, the functions described in the embodiments of the present application can be implemented by hardware, software, firmware, or any combination thereof. When implemented using software, these functions can be stored in a computer-readable medium or transmitted as one or more instructions or codes on a computer-readable medium. The computer-readable medium includes computer storage media and communication media, where the communication media includes any medium that facilitates the transfer of a computer program from one place to another. The storage media can be any available medium accessible by a general-purpose or special-purpose computer.

[0257] The embodiments of the present application have been described above in conjunction with the accompanying drawings. However, the present application is not limited to the above specific implementation manners. The above specific implementation manners are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them belong to the protection scope of the present application.

Claims

1. A method for determining beam pairs, characterized in that, the method includes: A network device sends configuration information to a terminal device in the communication area where the network device is located; wherein, the configuration information is used to instruct the terminal device to configure a coordinate grid network, and the coordinate grid network is used to indicate the grid-like vertical plane and / or grid-like horizontal plane of the communication area; The network device determines an optimal beam pair based on the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the status change information of the terminal device; wherein, one round of beam pair scanning in the at least one round of beam pair scanning corresponds to one reference signal among multiple reference signals configured by the network device for the terminal device; the status change information is used to indicate the status change of the terminal device during the at least one round of beam pair scanning; the status change information corresponds to the coordinate grid network.

2. The method according to claim 1, characterized in that, the status change information includes orientation change information and / or movement direction information; wherein, the orientation change information is used to indicate the orientation change of the terminal device in the coordinate grid network; the movement direction information is used to indicate the movement direction of the terminal device in the coordinate grid network.

3. The method according to claim 2, characterized in that, the orientation change information is information determined by the terminal device according to the coordinate grid network and an orientation baseline; the orientation baseline is used to indicate a first predefined direction corresponding to the terminal device.

4. The method according to claim 3, characterized in that, the first predefined direction includes a direction with a fixed relative position to the terminal device; the orientation change information includes the change of the reference orientation corresponding to the orientation baseline among multiple reference orientations; wherein, one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the terminal device is located in the coordinate grid network; multiple second predefined directions are respectively used to indicate different directions.

5. The method according to any one of claims 2 to 4, characterized in that, the movement direction information includes the reference orientation corresponding to the position change of the terminal device among multiple reference orientations; wherein, one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the terminal device is located in the coordinate grid network; multiple second predefined directions are respectively used to indicate different directions.

6. The method according to any one of claims 1 to 5, characterized in that, the status change information corresponding to one round of beam pair scanning is used to indicate the status change of the terminal device during the configuration period of the reference signal corresponding to the beam pair scanning.

7. The method according to any one of claims 1 to 6, characterized in that, the network device sending configuration information to a terminal device in the communication area where the network device is located includes: When the terminal device accesses the communication network covering the communication area, the network device sends configuration information to the terminal device.

8. The method according to any one of claims 1 to 7, wherein, the network device determines an optimal beam pair based on the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the status change information of the terminal device, including: the network device inputs the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the status change information of the terminal device into a pre-trained beam pair determination model to obtain optimal beam pair indication information; the network device determines the optimal beam pair among multiple candidate beam pairs according to the optimal beam pair indication information; wherein, the beam pair determination model is an artificial intelligence model trained by using sample measurement data and the optimal beam pair label corresponding to the sample measurement data, and the sample measurement data includes sample beam quality information and / or sample status change information of the terminal device.

9. The method according to any one of claims 1 to 8, wherein, the network device determines an optimal beam pair based on the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the status change information of the terminal device, including: the network device determines an optimal beam pair based on the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the target status change information of the terminal device; wherein, the target status change information includes the information indicating the status change of the terminal device in the status change information of the terminal device corresponding to at least one round of beam pair scanning reported by the terminal device; or, the status change situation includes the situation of the status change of the terminal device.

10. A method for determining a beam pair, wherein, the method includes: a terminal device receives configuration information sent by a network device in the communication area where the terminal device is located; the terminal device configures a coordinate grid network according to the configuration information; wherein, the coordinate grid network is used to indicate the grid-shaped vertical plane and / or grid-shaped horizontal plane of the communication area; the terminal device obtains the beam pair quality information corresponding to at least one round of beam pair scanning and / or the status change information of the terminal device, and reports it to the network device; wherein, one round of beam pair scanning in the at least one round of beam pair scanning corresponds to one reference signal among multiple reference signals configured by the network device for the terminal device; the status change information is used to indicate the status change situation of the terminal device during the at least one round of beam pair scanning; the status change information corresponds to the coordinate grid network; the beam quality information and / or the status change information of the terminal device are used to indicate the network device to determine an optimal beam pair.

11. The method according to claim 10, wherein, The state change information includes orientation change information and / or movement direction information; wherein, the orientation change information is used to indicate the orientation change of the terminal device in the coordinate grid network; the movement direction information is used to indicate the movement direction of the terminal device in the coordinate grid network.

12. The method according to claim 11, wherein, the orientation change information is information determined by the terminal device according to the coordinate grid network and an orientation baseline; the orientation baseline is used to indicate a first predefined direction corresponding to the terminal device.

13. The method according to claim 12, wherein, the first predefined direction includes a direction with a fixed relative position to the terminal device; the orientation change information includes the change of the reference orientation corresponding to the orientation baseline among multiple reference orientations; wherein, one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the terminal device is located in the coordinate grid network; multiple second predefined directions are respectively used to indicate different directions.

14. The method according to any one of claims 11 to 13, wherein, the movement direction information includes the reference orientation corresponding to the position change of the terminal device among multiple reference orientations; wherein, one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the terminal device is located in the coordinate grid network; multiple second predefined directions are respectively used to indicate different directions.

15. The method according to any one of claims 10 to 14, wherein, the state change information corresponding to one round of beam pair scanning is used to indicate the state change of the terminal device during the configuration period of the reference signal corresponding to the beam pair scanning.

16. The method according to any one of claims 10 to 15, wherein, the terminal device receives configuration information sent by a network device in the communication area where the terminal device is located, including: when the terminal device accesses the communication network covering the communication area, the terminal device receives the configuration information sent by the network device.

17. The method according to any one of claims 10 to 16, wherein, the state change situation includes the situation of the state change of the terminal device.

18. A communication device, wherein, the device includes: an information sending module, configured to send configuration information to a terminal device in the communication area where the communication device is located; wherein, the configuration information is used to instruct the terminal device to perform the configuration of a coordinate grid network, and the coordinate grid network is used to indicate the grid-like vertical plane and / or grid-like horizontal plane of the communication area; a beam pair determination module, configured to determine an optimal beam pair based on at least one round of beam pair quality information corresponding to beam pair scanning reported by the terminal device and / or the state change information of the terminal device; Wherein, one round of beam pair scanning in the at least one round of beam pair scanning corresponds to one reference signal among the multiple reference signals configured by the communication device for the terminal device; the status change information is used to indicate the status change of the terminal device during the at least one round of beam pair scanning; and the status change information corresponds to the coordinate grid network.

19. The apparatus according to claim 18, wherein, the status change information includes orientation change information and / or movement direction information; wherein, the orientation change information is used to indicate the orientation change of the terminal device in the coordinate grid network; and the movement direction information is used to indicate the movement direction of the terminal device in the coordinate grid network.

20. The apparatus according to claim 19, wherein, the orientation change information is information determined by the terminal device according to the coordinate grid network and the orientation baseline; and the orientation baseline is used to indicate a first predefined direction corresponding to the terminal device.

21. The apparatus according to claim 20, wherein, the first predefined direction includes a direction with a fixed relative position to the terminal device; and the orientation change information includes the change of the reference orientation corresponding to the orientation baseline among multiple reference orientations; wherein, one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the terminal device is located in the coordinate grid network; and the multiple second predefined directions are respectively used to indicate different directions.

22. The apparatus according to any one of claims 19 to 21, wherein, the movement direction information includes the reference orientation corresponding to the position change of the terminal device among multiple reference orientations; wherein, one of the multiple reference orientations is used to indicate a second predefined direction in a target grid; the target grid is used to indicate the grid where the terminal device is located in the coordinate grid network; and the multiple second predefined directions are respectively used to indicate different directions.

23. The apparatus according to any one of claims 18 to 22, wherein, the status change information corresponding to one round of beam pair scanning is used to indicate the status change of the terminal device during the configuration period of the reference signal corresponding to the beam pair scanning.

24. The apparatus according to any one of claims 18 to 23, wherein, the information sending module is specifically configured to: send configuration information to the terminal device when the terminal device accesses a communication network covering the communication area.

25. The apparatus according to any one of claims 18 to 24, wherein, the beam pair determination module is specifically configured to: input the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the status change information of the terminal device into a pre-trained beam pair determination model to obtain optimal beam pair indication information; determine the optimal beam pair among multiple candidate beam pairs according to the optimal beam pair indication information; Wherein, the beam pair determination model is an artificial intelligence model trained using sample measurement data and the optimal beam pair labels corresponding to the sample measurement data, and the sample measurement data includes sample beam quality information and / or sample status change information of the terminal device.

26. The apparatus according to any one of claims 18 to 25, wherein, the beam pair determination module is specifically configured to: determine an optimal beam pair based on the beam pair quality information corresponding to at least one round of beam pair scanning reported by the terminal device and / or the target status change information of the terminal device; wherein, the target status change information includes the information indicating a change in the status of the terminal device among the status change information of the terminal device corresponding to at least one round of beam pair scanning reported by the terminal device; or, the status change situation includes the situation of a change in the status of the terminal device.

27. A communication apparatus, wherein, the apparatus includes: a receiving module, configured to receive configuration information sent by a network device in the communication area where the communication apparatus is located; a configuration module, configured to configure a coordinate grid network according to the configuration information; wherein, the coordinate grid network is used to indicate a grid-like vertical plane and / or a grid-like horizontal plane of the communication area; a reporting module, configured to obtain beam pair quality information corresponding to at least one round of beam pair scanning and / or status change information of the communication apparatus, and report same to the network device; wherein, one round of beam pair scanning in the at least one round of beam pair scanning corresponds to one reference signal among a plurality of reference signals configured by the network device for the communication apparatus; the status change information is used to indicate the status change situation of the communication apparatus during the at least one round of beam pair scanning; the status change information corresponds to the coordinate grid network; the beam quality information and / or the status change information of the communication apparatus are used to indicate the network device to determine an optimal beam pair.

28. The apparatus according to claim 27, wherein, the status change information includes orientation change information and / or movement direction information; wherein, the orientation change information is used to indicate the orientation change of the communication apparatus in the coordinate grid network; the movement direction information is used to indicate the movement direction of the communication apparatus in the coordinate grid network.

29. The apparatus according to claim 28, wherein, the orientation change information is information determined by the communication apparatus according to the coordinate grid network and an orientation baseline; the orientation baseline is used to indicate a first predefined direction corresponding to the communication apparatus.

30. The apparatus according to claim 29, wherein, the first predefined direction includes a direction with a fixed relative position to the communication apparatus; the orientation change information includes the change of the reference orientation corresponding to the orientation baseline among a plurality of reference orientations. Among them, one of the multiple reference orientations is used to indicate a second predefined direction in the target grid; the target grid is used to indicate the grid where the communication device is located in the coordinate grid network; the multiple second predefined directions are respectively used to indicate different directions.

31. The apparatus according to any one of claims 28 to 30, wherein, the movement direction information includes the reference orientation corresponding to the position change of the communication device among the multiple reference orientations; Among them, one of the multiple reference orientations is used to indicate a second predefined direction in the target grid; the target grid is used to indicate the grid where the communication device is located in the coordinate grid network; the multiple second predefined directions are respectively used to indicate different directions.

32. The apparatus according to any one of claims 27 to 31, wherein, the state change information corresponding to one round of beam pair scanning is used to indicate the state change situation of the communication device within the configuration period of the reference signal corresponding to the beam pair scanning.

33. The apparatus according to any one of claims 27 to 32, wherein, the receiving module is specifically configured to: when the communication device accesses the communication network covering the communication area, receive the configuration information sent by the network device.

34. The apparatus according to any one of claims 27 to 33, wherein, the state change situation includes the situation where the state of the communication device changes.

35. A communication device, wherein, comprises: a processor and a storage medium; the processor is connected to the storage medium; the storage medium is used to store one or more programs; when the one or more programs are executed by the one or more processors, the one or more processors implement the method according to any one of claims 1 to 17.

36. A communication device includes a processor, and the processor is used to process data and / or information so that the method according to any one of claims 1 to 17 is implemented.

37. A computer-readable storage medium, wherein, includes instructions, and when the instructions are run by a processor, the method according to any one of claims 1 to 17 is implemented.

38. A chip, wherein, includes one or more processors; when the processor runs a program or an instruction, the method according to any one of claims 1 to 17 is implemented.

39. A computer program product, wherein, includes computer program code or instructions, and when the computer program code or instructions are run, the method according to any one of claims 1 to 17 is implemented.

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