Configuration method and related apparatus

Abstract

This application provides a configuration method and related apparatus. The configuration method includes receiving a first message, which indicates a configuration set index table of reference signals corresponding to a first group of terminals and a first configuration set of reference signals. The configuration set index table of reference signals includes one or more configuration sets of reference signals, determined based on the coverage area of ​​the terminal's home network, as well as the terminal's mobile speed classification and anti-interference capability classification. The configuration set of the first group is determined based on the coverage area of ​​the terminal's home network, as well as the terminal's mobile speed classification and anti-interference capability classification. This allows for different configuration sets of reference signals indicated by the first message if the coverage area of ​​the terminal's home network, as well as the terminal's mobile speed classification and anti-interference capability classification, are different, thus improving the flexibility of reference signal configuration and enabling dynamic adaptive adjustment.

Description

Technical Field

[0001] This application relates to the field of wireless communication technology, and in particular to a configuration method and related apparatus. Background Technology

[0002] In wireless communication systems, reference signals are used in various application scenarios. For example, the physical downlink shared channel demodulation reference signal (PDSCH DMRS) is used for channel estimation; the physical downlink control channel demodulation reference signal (PDCCH DMRS) is used for control channel demodulation; the CSI reference signal (CSI-RS) is used for channel state measurement and link adaptation; the sounding reference signal (SRS) is used for uplink channel measurement and power control; and the phase-tracking reference signal (PTRS) is used for link quality compensation. The network side needs to configure these reference signals.

[0003] Currently, network-side configuration of reference signals often employs predefined parameter combinations or semi-static configuration methods, which lack flexibility and make dynamic adaptive adjustment difficult. Summary of the Invention

[0004] This application provides a configuration method and related apparatus, which aims to improve the flexibility of reference signal configuration and enable dynamic adaptive adjustment.

[0005] To achieve the above objectives, this application provides the following technical solution:

[0006] Firstly, this application provides a configuration method, which can be executed by a terminal, or by a component configured in the terminal (such as a circuit, chip, or chip system), or by a logic module or software capable of implementing all or part of the terminal's functions. This application does not limit the scope of this method.

[0007] A configuration method includes: receiving a first message, the first message indicating a configuration set index table of reference signals corresponding to a first group of terminals and a first configuration set of reference signals; wherein the configuration set index table of reference signals includes one or more configuration sets of reference signals, the one or more configuration sets being determined based on the coverage area of ​​the terminal's home network, as well as the terminal's mobile speed classification and anti-interference capability classification, and the first configuration set being a configuration set in the configuration set index table of reference signals.

[0008] In the above technical solution, the first message indicates a configuration set index table of the reference signal corresponding to the first group of the terminal. The configuration set index table includes one or more configuration sets of the reference signal. Therefore, one or more configuration sets of the reference signal belong to the first group corresponding to the terminal. Furthermore, the configuration set of the first group is determined according to the coverage area of ​​the terminal's home network, as well as the terminal's mobile speed classification and anti-interference capability classification. This allows for different configuration sets of the reference signal indicated by the first message if the coverage area of ​​the terminal's home network, as well as the terminal's mobile speed classification and anti-interference capability classification, are different. This improves the flexibility of the reference signal configuration and enables dynamic adaptive adjustment.

[0009] In one possible implementation, the configuration method further includes: sending a second message, the second message being used to indicate a second configuration set of the reference signal; wherein the second configuration set belongs to a configuration set in the configuration set index table of the reference signal, and the corresponding wireless communication performance meets preset requirements, and the wireless communication performance corresponding to the second configuration set is obtained by the terminal based on the wireless communication environment status of the terminal.

[0010] In one possible implementation, the wireless communication performance corresponding to the second configuration set includes the configuration cost of the second configuration set; the wireless communication performance corresponding to the second configuration set meeting the preset requirements includes: the configuration cost of the second configuration set is the minimum value among the configuration costs of one or more configuration sets including the reference signal in the configuration set index table.

[0011] In one possible implementation, the configuration cost of the second configuration set is less than or equal to the difference between the configuration cost of the first configuration set of the reference signal and the first threshold.

[0012] In one possible implementation, the second message is also used to indicate at least one of an emergency flag, an emergency level, and a relative timestamp; wherein the relative timestamp is used to indicate the time when the emergency occurred or the time when the second configuration set was generated.

[0013] In one possible implementation, the second message is further used to indicate at least one of the report type indicated by the second message, the current terminal group, and the optimized confidence level; wherein the optimized confidence level is used to update the weights of the first configuration set of the reference signal.

[0014] In one possible implementation, the second message is associated with the terminal detecting that the block error rate is greater than a second threshold and / or the signal-to-interference-plus-noise ratio is greater than a third threshold, so as to achieve a timely response to a severe instantaneous deterioration in the terminal's link performance; or, the second message is associated with the terminal detecting that the intra-group optimization value is greater than a fourth threshold, so as to achieve continuous optimization of the intra-group configuration set and a response that supports dynamic personalized optimization of the intra-group configuration set, wherein the intra-group optimization value is positively correlated with the degree of mismatch and / or trend stability of the configuration set in the configuration set index table of the reference signal of the terminal corresponding to the first group, and negatively correlated with the reporting cost; the reporting cost is used to indicate the signaling cost and network burden required for the terminal to report.

[0015] In one possible implementation, the configuration method further includes receiving a third message, which indicates a second configuration set for the reference signal.

[0016] In one possible implementation, the configuration method further includes: sending a fourth message, the fourth message being used to indicate a third configuration set of the reference signal; wherein the wireless communication performance corresponding to the third configuration set is optimal within a preset duration.

[0017] In one possible implementation, the fourth message is further used to indicate at least one of the report type indicated by the fourth message, the terminal's current packet, and the long-term environmental information vector; wherein the long-term environmental information vector is used to indicate the wireless communication environment status of the terminal within a preset duration.

[0018] In one possible implementation, the fourth message is associated with the terminal detecting a repackaging discrimination value greater than a fifth threshold, in order to address the issue that the DMRS configuration in the DMRS configuration subspace index table of the first packet configured for the terminal cannot be adapted to the terminal in the long term; wherein, the repackaging discrimination value is positively correlated with the terminal's long-term wireless communication environment characteristics and the offset of the terminal's current packet, the cumulative average excess of the terminal's block error rate exceeding the threshold within a preset time period, and / or the degree of mismatch of the configuration set in the configuration set index table of the terminal's reference signal corresponding to the first packet, and negatively correlated with the reporting cost; the reporting cost is used to indicate the signaling cost and network burden required for the terminal to report.

[0019] In one possible implementation, the configuration method further includes: receiving a fifth message, the fifth message being used to indicate a configuration set index table of reference signals corresponding to the second group of the terminal; wherein the configuration set index table of reference signals includes one or more configuration sets of reference signals, and the one or more configuration sets are adapted to a third configuration set of reference signals.

[0020] Secondly, this application provides a configuration method, which can be executed by a network device, or by a component (such as a circuit, chip, or chip system) configured in the network device, or by a logic module or software capable of implementing all or part of the functions of the network device. This application does not limit the scope of the method. The following description uses a network device as an example.

[0021] A configuration method includes: sending a first message, the first message indicating a configuration set index table of reference signals corresponding to a first group of terminals and a first configuration set of reference signals; wherein the configuration set index table of reference signals includes one or more configuration sets of reference signals, the one or more configuration sets being determined based on the coverage area of ​​the terminal's home network, as well as the terminal's mobile speed classification and anti-interference capability classification, and the first configuration set being a configuration set in the configuration set index table of reference signals.

[0022] In one possible implementation, the method further includes: receiving a second message, the second message being used to indicate a second configuration set of the reference signal; wherein the second configuration set belongs to a configuration set in the configuration set index table of the reference signal, and the corresponding wireless communication performance meets a preset requirement, and the wireless communication performance corresponding to the second configuration set is obtained by the terminal based on the wireless communication environment status of the terminal.

[0023] In one possible implementation, the wireless communication performance corresponding to the second configuration set includes the configuration cost of the second configuration set; the wireless communication performance corresponding to the second configuration set meeting the preset requirements includes: the configuration cost of the second configuration set is the minimum value among the configuration costs of one or more configuration sets including the reference signal in the configuration set index table.

[0024] In one possible implementation, the configuration cost of the second configuration set is less than or equal to the difference between the configuration cost of the first configuration set of the reference signal and the first threshold.

[0025] In one possible implementation, the second message is also used to indicate at least one of an emergency flag, an emergency level, and a relative timestamp; wherein the relative timestamp is used to indicate the time when the emergency occurred or the time when the second configuration set was generated.

[0026] In one possible implementation, the second message is further used to indicate at least one of the report type indicated by the second message, the current terminal group, and the optimized confidence level; wherein the optimized confidence level is used to update the weights of the first configuration set of the reference signal.

[0027] In one possible implementation, the second message is associated with the terminal detecting that the block error rate is greater than a second threshold and / or the signal-to-interference-plus-noise ratio is greater than a third threshold; or, the second message is associated with the terminal detecting that the intra-group optimization value is greater than a fourth threshold, wherein the intra-group optimization value is positively correlated with the degree of mismatch and / or trend stability of the configuration set in the configuration set index table of the reference signal of the terminal corresponding to the first group, and negatively correlated with the reporting cost; the reporting cost is used to indicate the signaling cost and network burden required for the terminal to report.

[0028] In one possible implementation, the configuration method further includes sending a third message, which indicates a second configuration set of reference signals.

[0029] In one possible implementation, the configuration method further includes: receiving a fourth message, the fourth message indicating a third configuration set of the reference signal; wherein the wireless communication performance corresponding to the third configuration set is optimal within a preset duration.

[0030] In one possible implementation, the fourth message is further used to indicate at least one of the report type indicated by the fourth message, the terminal's current packet, and the long-term environmental information vector; wherein the long-term environmental information vector is used to indicate the wireless communication environment status of the terminal within a preset duration.

[0031] In one possible implementation, the fourth message is associated with the terminal detecting that the repackaging discrimination value is greater than the fifth threshold; wherein, the repackaging discrimination value is positively correlated with the terminal's long-term wireless communication environment characteristics and the offset of the terminal's current packet, the cumulative average excess of the terminal's block error rate exceeding the threshold within a preset time period, and / or the degree of mismatch of the configuration set in the configuration set index table of the terminal's reference signal for the first packet, and negatively correlated with the reporting cost; the reporting cost is used to indicate the signaling cost and network burden required for the terminal to report.

[0032] In one possible implementation, the configuration method further includes: sending a fifth message, the fifth message being used to indicate a configuration set index table of reference signals corresponding to the second group of the terminal; wherein the configuration set index table of reference signals includes one or more configuration sets of reference signals, and the one or more configuration sets are adapted to a third configuration set of reference signals.

[0033] Thirdly, this application provides a communication device including a transceiver module for receiving a first message. The first message indicates a configuration set index table of reference signals corresponding to a first group and a first configuration set of reference signals for the terminal. The configuration set index table of reference signals includes one or more configuration sets of reference signals, which are determined based on the coverage area of ​​the terminal's home network, the terminal's mobile speed classification, and its anti-interference capability classification. The first configuration set belongs to a configuration set in the configuration set index table of reference signals.

[0034] Fourthly, this application provides a communication device including a transceiver module for sending a first message. The first message indicates a configuration set index table of reference signals corresponding to a first group and a first configuration set of reference signals for a terminal. The configuration set index table of reference signals includes one or more configuration sets of reference signals, which are determined based on the coverage area of ​​the terminal's home network, the terminal's mobile speed classification, and its anti-interference capability classification. The first configuration set belongs to a configuration set in the configuration set index table of reference signals.

[0035] Fifthly, this application provides a communication device including a processor coupled to a memory, which can be used to execute instructions or data in the memory to implement the method in the first aspect above.

[0036] In one possible implementation, the communication device also includes a memory.

[0037] In one possible implementation, the communication device also includes a communication interface, to which the processor is coupled.

[0038] In one implementation, the communication interface can be a transceiver, or an input / output interface.

[0039] In another implementation, the communication device is a chip configured in the terminal. When the communication device is a chip configured in the terminal, the communication interface can be an input / output interface.

[0040] In another implementation, the communication device is a chip configured in a network device. When the communication device is a chip configured in an access network device, the communication interface can be an input / output interface.

[0041] In a sixth aspect, this application provides a communication device including a processor coupled to a memory, which can be used to execute instructions or data in the memory to implement the method in the second aspect above.

[0042] In one possible implementation, the communication device also includes a memory.

[0043] In one possible implementation, the communication device also includes a communication interface, to which the processor is coupled.

[0044] In one implementation, the communication interface can be a transceiver, or an input / output interface.

[0045] In another implementation, the communication device is a chip configured in a network device. When the communication device is a chip configured in a network device, the communication interface can be an input / output interface.

[0046] In a seventh aspect, this application provides a processor, including: an input circuit, an output circuit, and a processing circuit. The processing circuit is used to receive signals through the input circuit and transmit signals through the output circuit, causing the processor to execute the method in any of the aspects.

[0047] In specific implementation, the processor can be one or more chips, the input circuit can be input pins, the output circuit can be output pins, and the processing circuit can be transistors, gate circuits, flip-flops, and various logic circuits. The input signal received by the input circuit can be received and input by, for example, but not limited to, a receiver, and the signal output by the output circuit can be, for example, but not limited to, output to and transmitted by a transmitter. Furthermore, the input circuit and the output circuit can be the same circuit, which is used as both the input circuit and the output circuit at different times. This application does not limit the specific implementation of the processor and various circuits.

[0048] Eighthly, this application provides a computer program product comprising: a computer program (also referred to as code or instructions) that, when run, causes a computer to perform the methods described in any of the preceding aspects.

[0049] Ninthly, this application provides a computer-readable storage medium storing a computer program (also referred to as code or instructions) that, when run on a computer, causes the computer to perform the methods described in any of the preceding aspects.

[0050] In a tenth aspect, this application provides a chip system including one or more processors for calling and executing instructions stored in memory, causing the methods in any of the above aspects or possible implementations to be executed. The chip system may be composed of a chip or may include chips and other discrete devices. The chip system may include input circuitry or interfaces for transmitting information or data, and output circuitry or interfaces for receiving information or data.

[0051] In the eleventh aspect, this application provides a communication system, including the aforementioned terminal and network equipment.

[0052] In one possible implementation, the communication system may also include other devices that communicate with one or more of the terminals and network devices.

[0053] The technical effects of the solutions provided in the second to eleventh aspects can be found in the content of the first aspect. Attached Figure Description

[0054] Figure 1 A schematic diagram of the architecture of a communication system provided in an embodiment of this application;

[0055] Figure 2 This is a schematic diagram illustrating the application scenario of channel estimation provided in the embodiments of this application;

[0056] Figure 3 A flowchart illustrating the configuration process for a traditional DMRS;

[0057] Figure 4 A schematic diagram of user groups provided in an embodiment of this application;

[0058] Figure 5 A flowchart illustrating the DMRS configuration method provided in this application embodiment;

[0059] Figure 6 A schematic diagram of the terminal hierarchical reporting process provided in the embodiments of this application;

[0060] Figure 7 A schematic diagram of an emergency report provided for an embodiment of this application;

[0061] Figure 8 A schematic diagram of a regrouping report provided in an embodiment of this application;

[0062] Figure 9 A schematic diagram of an intra-group optimization report provided in an embodiment of this application;

[0063] Figure 10 This is a schematic diagram illustrating the hierarchical processing of terminal-level reporting by the base station, as provided in an embodiment of this application.

[0064] Figure 11 A flowchart illustrating the configuration method provided in an embodiment of this application;

[0065] Figure 12 This is a structural example diagram of another communication device disclosed in the embodiments of this application;

[0066] Figure 13 This is a structural example diagram of another communication device disclosed in an embodiment of this application. Detailed Implementation

[0067] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. The terminology used in the following embodiments is for the purpose of describing specific embodiments only and is not intended to be a limitation of this application. As used in the specification and appended claims of this application, the singular expressions "a," "an," "the," "the," "the," and "this" are intended to also include expressions such as "one or more," unless the context clearly indicates otherwise. It should also be understood that in the embodiments of this application, "one or more" refers to one, two, or more; "and / or" describes the relationship between related objects, indicating that three relationships may exist; for example, A and / or B can represent: A alone, A and B simultaneously, or B alone, where A and B can be singular or plural. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship.

[0068] References to "one embodiment" or "some embodiments" as described in this specification mean that one or more embodiments of this application include a specific feature, structure, or characteristic described in connection with that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless otherwise specifically emphasized.

[0069] The "multiple" mentioned in the embodiments of this application refers to two or more. It should be noted that in the description of the embodiments of this application, terms such as "first" and "second" are used only for the purpose of distinguishing descriptions and should not be construed as indicating or implying relative importance, nor should they be construed as indicating or implying order.

[0070] The technical solutions provided in this application can be applied to communication systems, which may include, but are not limited to, the following systems: second-generation (2G) communication systems, third-generation (3G) communication systems, long-term evolution (LTE) systems, universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) communication systems, fifth-generation (5G) systems or new radio (NR) systems, 5.5G systems or sixth-generation (6G) systems and future mobile communication systems, vehicle-to-other devices (V2X), V2X may include vehicle-to-network (V2N), vehicle-to-vehicle (V2V), vehicle-to-infrastructure (V2I), vehicle-to-pedestrian (V2P), V2X sidelink, etc., and long-term evolution technology for vehicle-to-vehicle communication. Evolution-vehicle (LTE-V), vehicle-to-everything (V2X), machine-type communication (MTC), Internet of Things (IoT), industrial IoT (IIoT), ambient internet of things (AIoT), passive IoT / ambient IoT, long-term evolution-machine (LTE-M), machine-to-machine (M2M), etc.

[0071] The communication system can be applied to scenarios including: terrestrial cellular communication, non-terrestrial network (NTN), satellite communication, high altitude platform station (HAPS) communication, vehicle-to-everything (V2X) communication, integrated access and backhaul (IAB) communication, and reconfigurable intelligent surface (RIS) communication, etc.

[0072] For example, Figure 1 A schematic diagram of the architecture of a communication system provided in an embodiment of this application is shown.

[0073] like Figure 1 As shown, the communication system includes a first device 100 and a second device 200.

[0074] The first device 100 can be a network-side device used to provide network communication functions. In some cases, it is also called a network device or network element. The network device can usually be a base station (including functional units of the base station, or a combination of functional units of the base station) or a core network unit. The core network unit can be a functional unit in the core network, including but not limited to authentication server function (AUSF) network elements, unified data management (UDM) network elements, network repository function (NRF) network elements, network exposure function (NEF) network elements, application function (AF) network elements, policy control function (PCF) network elements, access and mobility management function (AMF) network elements, session management function (SMF) network elements, user plane function (UPF) network elements, network data analytics function (NWDAF) network elements, etc.

[0075] In the embodiments of this application, the base station can be any device with wireless transceiver capabilities, including but not limited to: evolved base stations (NodeB or eNB or e-NodeB) in long term evolution (LTE), base stations (gNodeB or gNB) or transmission receiving point / transmission reception point (TRP) in new radio (NR), base stations in subsequent evolutions of 3GPP, access nodes in Wi-Fi systems, wireless relay nodes, wireless backhaul nodes, etc.

[0076] Base stations can be macro base stations, micro base stations, pico base stations, small cells, relay stations, or balloon stations, etc. A base station can contain one or more co-located or non-co-located transmission reception points (TRPs). A base station can also be a radio controller, centralized unit (CU), and / or distributed unit (DU) in a cloud radio access network (CRAN) scenario. A base station can communicate with a terminal, or it can communicate with a terminal through a relay station. A terminal can communicate with multiple base stations using different technologies; for example, a terminal can communicate with a base station supporting LTE networks, or with a base station supporting 5G networks, and can even have dual connections with both LTE and 5G base stations.

[0077] The second device 200 can be a device that accesses the network, typically a terminal.

[0078] In this application embodiment, the terminal can be widely used in various scenarios, such as device-to-device (D2D), vehicle-to-everything (V2X) communication, machine-type communication (MTC), Internet of Things (IoT), virtual reality (VR), augmented reality (AR), industrial control, self-driving, remote medical, smart grid, smart furniture, smart office, smart wearables, smart transportation, smart city, and smart home. The terminal can take various forms, such as mobile phones, tablets, computers with wireless transceiver capabilities, virtual reality terminal devices, augmented reality terminal devices, wireless terminals in industrial control, vehicle-mounted terminal devices, wireless terminals in autonomous driving, wireless terminals in remote medical care, wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, wearable terminal devices, and so on. Terminal equipment may also be referred to as a terminal, user equipment (UE), access terminal equipment, vehicle-mounted terminal, industrial control terminal, UE unit, UE station, mobile station, mobile station, remote station, remote terminal equipment, mobile device, UE terminal equipment, wireless communication equipment, UE agent, or UE device, etc. A terminal can also be a fixed terminal or a mobile terminal.

[0079] In some embodiments, the communication system may also include other devices that communicate with the first device and / or the second device, which is not a limitation of this application.

[0080] To facilitate understanding, the concepts involved in this application will be explained below.

[0081] 1. Channel estimation.

[0082] like Figure 2As shown, the transmitting end (downlink refers to the network side, uplink refers to the terminal) processes the signal using precoding weights (such as precoding weight 1 or 2) and transmits a mixed signal containing demodulation reference signal (DMRS) and data on multiple antennas through resource blocks; the receiving end (downlink refers to the terminal, uplink refers to the network side) extracts the DMRS to perform channel estimation (such as channel estimation 1 and channel estimation 2) and obtains the channel estimation result reflecting the channel condition.

[0083] 2. Current protocol specifications allow for various time and frequency density options in DMRS configuration to adapt to different deployment scenarios. The physical downlink shared channel demodulation reference signal (PDSCH DMRS) is a UE-specific reference signal. Its time-frequency resource pattern includes: DMRS mapping type, which determines the symbol start position of DMRS in the time domain; DMRS configuration type, which determines the RE mapping density of DMRS in the frequency domain; and DMRS additional position, which determines the time domain resource density.

[0084] The above description is only for the purpose of facilitating understanding of the technical solution of this application and does not constitute any limitation on this application.

[0085] In wireless communication systems, the air interface uses a scheme based on pilot signals (such as DMRS) to achieve channel estimation and coherent demodulation of precoded / beamforming signals at the receiver.

[0086] Traditional DMRS configurations use fixed or semi-static configurations. For example, such as... Figure 3 As shown, network devices, such as base stations, first pre-configure the DMRS parameter range (or candidate set) to the terminal via higher-layer signaling (such as RRC reconfiguration messages). Then, the terminal performs channel estimation based on the parameters within the DMRS parameter range and periodically feeds back the estimated channel state information (CSI). Upon receiving the CSI feedback, the network device comprehensively evaluates the channel quality and decides whether to adjust the DMRS configuration, and dynamically indicates the DMRS configuration via DCI during each scheduling cycle.

[0087] However, the traditional DMRS configuration process has the following obvious shortcomings:

[0088] (1) DMRS configuration lacks flexibility and is difficult to dynamically adapt.

[0089] DMRS configuration often employs predefined parameter combinations or semi-static configuration methods. This approach struggles to respond promptly to rapid channel changes such as high-speed movement, obstruction shifts, or sudden interference. Therefore, traditional DMRS configuration schemes are prone to mismatches between DMRS resource allocation and actual channel conditions in rapidly changing channel scenarios, leading to degraded channel estimation performance or unnecessary increases in pilot overhead.

[0090] (2) The base station only adjusts the DMRS based on CSI feedback, which limits the information dimensions.

[0091] Base station adjustments to DMRS configuration primarily rely on CSI metrics reported by terminals. However, CSI feedback itself suffers from quantization errors and feedback delays. Furthermore, CSI mainly reflects link quality results, lacking characterization of channel change trends, stability, and uncertainties, and cannot fully utilize local historical experience and real-time sensing information from the terminal side. Therefore, base station adjustments to DMRS configuration based on limited CSI information cannot achieve truly refined and adaptive configuration.

[0092] To address this, embodiments of this application provide a configuration method to improve the flexibility and dynamic adaptive adjustment of the reference signal configuration. Furthermore, it can also achieve finer and more adaptive adjustment of the reference signal configuration.

[0093] On the network side, if the base station first groups users and configures a group identifier (group_ID) for each group, it also configures a DMRS candidate configuration set:

[0094] For example, the base station adopts a two-level grouping mechanism of "physical area coarse grouping + intra-region feature subdivision grouping" to divide users into groups with similar channel, moving speed and interference characteristics, and defines DMRS candidate configuration sets for different groups.

[0095] In this embodiment, a two-level grouping mechanism is used to define DMRS candidate configuration sets for different groups, which fundamentally reduces the complexity of configuration selection.

[0096] Optionally, the base station groups its coverage area into physical regions based on the reference signal received power (RSRP) of the terminal's long-term measurement statistics.

[0097] Alternatively, to avoid the impact of instantaneous fluctuations, RSRP uses a time window average, as shown in the following formula:

[0098] Formula 1

[0099] Where T is the duration of the time window, which can be set.

[0100] For example, such as Figure 4 As shown, the base station divides its coverage area into three physical groups based on the average RSRP measured by the terminal, as follows:

[0101] Formula 2

[0102] in, It is a near-point area with strong signal coverage and good channel estimation conditions. It is a middle zone with moderate coverage. This is a remote area with weak coverage, requiring high DMRS reliability.

[0103] Grouped in the same physical region Within the same physical area, terminals may still vary significantly in terms of mobility and interference environment, so it is necessary to further subdivide terminals grouped in the same physical area.

[0104] Optionally, the base station constructs the following long-term statistical characteristic parameters for the terminal: Doppler frequency shift range. Characterizing the UE's mobility level; interference to noise ratio This characterizes the intensity of the interference environment in which the terminal is located.

[0105] Alternatively, the above parameters can be partially or entirely statistically analyzed using time windows.

[0106] For example, the base station classifies terminals into low-speed, medium-speed, and high-speed users based on the Doppler frequency shift range, with the specific classification rules as follows:

[0107] Formula 3

[0108] For another example, the base station classifies terminals into low-interference, medium-interference, and high-interference users based on the INR, with the specific classification rules as follows:

[0109] Formula 4

[0110] Based on this, such as Figure 4 As shown, the complete group identifier of the terminal is ,in: Indicates the physical area grouping identifier. These represent the near point, intermediate point, and far point regions of the physical region, respectively. This represents a subdivided group index within the physical region based on a combination of velocity and interference, defined as follows: This indicates "low speed + low interference". This indicates "low speed + medium interference". This indicates "low speed + high interference". This indicates "medium speed + low interference", and so on.

[0111] As another example, the base station targets each packet Define a dedicated DMRS configuration set (or configuration subspace):

[0112] Formula 5

[0113] Among them, C global These are global configuration parameters.

[0114] Optionally, each group may have one or more DMRS configuration sets, and these one or more DMRS configuration sets constitute a DMRS candidate configuration set. For example, one or more DMRS configuration sets corresponding to a group may be referred to as configuration sets. Configuration …but this does not constitute a restriction.

[0115] For example, the DMRS configuration set includes the following parameters:

[0116] 1. DMRS type: Type 1 or Type 2;

[0117] 2. Prefix length: Len1 (single symbol) or Len2 (double symbol);

[0118] 3. Additional positions: pos0, pos1, pos2, pos3;

[0119] 4. Port set: A subset of ports 0-7;

[0120] 5. Scrambling identity (SCID): 0 or 1.

[0121] In some embodiments, the base station targets each packet. The implementation method for defining a dedicated DMRS configuration set is as follows:

[0122] The basic configuration of the parameters in the DMRS configuration set is determined according to the physical region corresponding to the group.

[0123] For example, the principles for setting up basic configurations include:

[0124] The near-point region has a high SNR, weak noise dominance, and is not sensitive to DMRS density. Type 1 is preferred, single symbol length is preferred, and pos0-pos1 is preferred for additional density. Low-density configuration is preferred.

[0125] The intermediate zone prioritizes standard DMRS density, allowing for one additional DMRS, balancing throughput and robustness.

[0126] The SNR in the far-point area is low, noise and interference are significant, and the channel estimation error is extremely sensitive to DMRS. Type 2 is preferred, double symbols are preferred for symbol length, and pos2-pos3 is considered for additional density, with high-density configuration.

[0127] The basic configuration is adjusted according to the subgroups corresponding to the grouping. This adjustment is usually a fine-tuning.

[0128] For example, the adjustment rules may include: the low-speed, low-interference group mainly includes a low-density configuration of Type1+Len1 to maximize spectral efficiency; while the high-speed, high-interference group includes a high-density configuration of Type2+Len2 to ensure reliability.

[0129] As another example, the basic configuration is adjusted multiple times, and each adjustment results in a DMRS configuration set.

[0130] In some embodiments, the base station may also define an initial weight for each DMRS configuration set corresponding to each packet. The initial weight is used to characterize the relative fit of each DMRS configuration set in the DMRS candidate configuration set under the typical environment of the current packet, and is used to guide the statistical prior of the subsequent terminal initial configuration selection and exploration direction.

[0131] In this embodiment, dynamic optimization of the configuration space is achieved by defining weights for the DMRS configuration set.

[0132] For example: in a specific group (such as the intermediate zone - high-speed high-interference group) Within a customized, limited set of DMRS configuration candidates, each DMRS configuration set (such as configuration...) Configuration …) The pre-defined suitability of the “typical channel environment” represented by the group.

[0133] The initial weights defined in the DMRS configuration set for each group are as follows:

[0134] Formula 6

[0135] in, Group and index users.

[0136] This is the DMRS configuration index.

[0137] For configuration The adaptation feature vector can be obtained by mapping based on the inherent parameters of the configuration, such as time-domain / frequency-domain density and number of ports.

[0138] This is the group center environmental feature vector, calculated by the base station based on the long-term environmental statistical characteristics of each terminal within the group.

[0139] Optionally, The calculation formula is as follows:

[0140] Formula 7

[0141] in, Belongs to group The user set, For users Long-term environmental feature vectors (such as average RSRP, average Doppler shift, average INR, etc.).

[0142] This is the environmental dispersion within a group, used to quantify the degree of dispersion of user environmental characteristics within a group.

[0143] Optionally, The calculation formula is as follows:

[0144] Formula 8

[0145] The parameters in Equation 8 are as explained above and will not be repeated here.

[0146] Figure 5 An exemplary flowchart of the configuration method provided in the embodiments of this application is shown.

[0147] like Figure 5 As shown, the configuration method includes:

[0148] S501. The base station sends an RRC reconfiguration message to the terminal, and the terminal receives the RRC reconfiguration message.

[0149] For example, the RRC reconfiguration message is used to indicate the DMRS configuration subspace index table (DCSIT) for the corresponding packet of the terminal.

[0150] Optionally, the RRC reconfiguration message is used to indicate the DMRS configuration subspace index table for the corresponding group of the terminal in the following way: the RRC reconfiguration message includes the group identifier of the corresponding group of the terminal and the DMRS configuration subspace index table.

[0151] The group corresponding to the terminal is configured with a DMRS configuration candidate set, which may include one or more DMRS configuration sets (or configuration subspaces), as described above.

[0152] Therefore, the DMRS configuration subspace index table for the corresponding terminal group includes one or more DMRS configuration sets configured for the corresponding terminal group, and the DMRS configuration sets belong to the entries of this DCSIT.

[0153] For example, each DCSIT entry is defined as follows:

[0154] Formula 9

[0155] in, Configure subspace indexes for DMRS. Configure the DMRS configuration set corresponding to the DMRS subspace.

[0156] The DMRS configuration set is represented as follows:

[0157] Formula 10

[0158] Wherein, DMRS_Type is the DMRS type; SymbolNum is the prefix length; Addpos is the additional position; and PortSet is the port set.

[0159] Optionally, a DMRS configuration set in the DCSIT of the corresponding group of the terminal is set to the terminal's current DMRS configuration.

[0160] Optionally, the setting method may include: the RRC reconfiguration message is used to indicate the index of a separate DMRS configuration set. For example, a field in the RRC reconfiguration message is used to indicate the index of the DMRS configuration set. Thus, the RRC reconfiguration message is used to indicate the DCSIT of the corresponding group of the terminal and the index of a DMRS configuration set. The DMRS configuration set indicated by the index of the DMRS configuration set is then used as the current DMRS configuration of the terminal.

[0161] For example, the RRC reconfiguration message indicates the index of a separate DMRS configuration set, with the DMRS configuration set corresponding to the largest weight value.

[0162] Alternatively, the configuration method may include: an RRC reconfiguration message indicating the weight of each DMRS configuration set in the DCSIT of the corresponding terminal group. Optionally, the weight of the DMRS configuration set may be used as a parameter for each DCSIT entry in Equation 9.

[0163] When a terminal receives an RRC reconfiguration message, it can determine the DMRS configuration to be used based on the DCSIT of the corresponding group of the terminal. Optionally, the terminal can use the DMRS configuration set with the largest weight in the DCSIT of the corresponding group of the terminal as the DMRS configuration to be used.

[0164] The RRC reconfiguration message is an exemplary message and does not constitute a limitation. In some embodiments, the base station may send the DMRS configuration subspace index table of the corresponding packet to the terminal via any form of radio resource control (RRC) signaling.

[0165] In some embodiments, the base station determines the packet corresponding to the terminal in the following ways:

[0166] The base station configures the terminal to perform periodic or event-triggered measurement reporting via downlink signaling (such as System Information Block (SIB) or RRC signaling). Based on the configuration, the terminal measures and calculates its long-term statistical characteristics, including but not limited to: average reference signal received power (RSRP), average Doppler shift estimate (or moving speed level), and average interference-to-noise ratio (INR). The terminal reports these long-term statistical characteristics to the base station via a measurement report.

[0167] Feature Calculation and Grouping Decision: After receiving the long-term statistical features of the terminal, the base station performs a two-level grouping decision:

[0168] Physical area coarse grouping: Based on the average RSRP reported by the terminal and compared with a preset physical area threshold, determine the physical area group to which the terminal belongs. (a=1,2,3).

[0169] Subdividing the region into feature groups: within a defined physical region group. Within the system, based on the average Doppler frequency shift and average INR reported by the terminal, the velocity level and interference level are determined by comparing them with the velocity level threshold and interference level threshold, respectively. These two levels are then combined and mapped to a subdivision group index. Finally, the complete packet identifier of the terminal is obtained. .

[0170] Packet ID Allocation and Notification: The base station assigns a corresponding packet ID (Group_ID) to the terminal. This ID is related to... A unique correspondence is established. Subsequently, the base station sends the Group_ID and the corresponding DMRS configuration subspace index table (DCSIT) to the terminal via an RRC reconfiguration message, thus clarifying the group's affiliation and binding it to configuration resources.

[0171] S502. Terminal continuously detects block error rate (BLER) and signal to interference plus noise ratio (SINR).

[0172] The BLER and SINR obtained by the terminal detection serve as key performance indicators, which can directly and in real time reflect the link transmission reliability and channel quality. Optionally, these key performance indicators can be used as inputs to the emergency discrimination function in the following text to quickly determine whether to trigger Level 1 emergency reporting.

[0173] For example, the terminal can also reuse existing signaling from the physical layer and the RRC layer or MAC layer to perceive the wireless environment status.

[0174] In some embodiments, the terminal senses the wireless environment status based on signaling or measurement, and the environmental information obtained includes at least one of the following:

[0175] Instantaneous channel estimation results are obtained by receiving downlink DMRS and CSI reference signal (CSI-RS);

[0176] By using the hybrid automatic repeat reQuest (HARQ) feedback and decoding results at the MAC layer, the BLER and error trends can be statistically analyzed.

[0177] Terminal mobility level is obtained through physical layer Doppler estimation and phase change statistics;

[0178] The interference detection and noise estimation module estimates the current interference plus noise ratio (INR) level.

[0179] Optionally, the instantaneous channel estimation results obtained by the terminal, BLER, Doppler and INR are the instantaneous channel estimation results within a short time window (such as tens of milliseconds), and the mean of BLER, Doppler and INR.

[0180] In some embodiments, after obtaining the environmental information, the terminal can construct it into an environmental state vector. .

[0181] Among them, the environment state vector Used as an AI inference model The input is used to evaluate DMRS configuration performance and generate an optimal configuration index.

[0182] Alternatively, the BLER and SINR detected by the terminal can also be used as environmental state vectors. The parameters in.

[0183] Alternatively, the terminal can select the mean of BLER and the mean of SINR within a short time window (e.g., tens of milliseconds) as the environmental state vector. The parameters in.

[0184] S503. The terminal obtains the optimal DMRS configuration in the DCSIT of the corresponding group based on AI model-assisted reasoning.

[0185] For example, the terminal obtains the RRC reconfiguration message through step S501, acquires the DCSIT of the terminal corresponding to the packet indicated by the message, and can cache it.

[0186] For example, the DCSIT of the terminal corresponding to the RRC reconfiguration message can be represented as:

[0187] Formula 11

[0188] Optionally, the terminal will use the environment state vector Index of DMRS configuration set The combination, as input to the AI ​​model, is represented as follows:

[0189] Formula 12

[0190] in, The corresponding DMRS parameters are obtained by DCSIT mapping.

[0191] Alternatively, the AI ​​model can be a lightweight inference model. .

[0192] The terminal utilizes a lightweight inference model Process the input parameters and output the configuration cost function prediction value as follows:

[0193] Formula 13

[0194] in, To configure the cost function prediction value, representing the environmental state If a configuration index is used The corresponding DMRS parameter represents the expected performance cost predicted by the model. The smaller this value, the better the model predicts the performance of this configuration in the current environment.

[0195] After completing the performance evaluation (i.e., configuration cost function prediction) of each DMRS configuration set in the DCSIT corresponding to the terminal's group, the terminal does not externally report the evaluation results. Instead, it performs a configuration selection decision locally to determine the optimal recommended DMRS configuration set for the current moment. Optionally, this optimal recommended DMRS configuration set can be indicated by an index.

[0196] In some embodiments, the terminal determines the optimal recommended DMRS configuration set for the current moment by: the terminal determining the optimal recommended DMRS configuration set according to a criterion. This criterion is as follows:

[0197] Formula 14

[0198] This criterion refers to: finding a dx u *(t), such that J u,k (t) in dx u (t) = dx u The value at *(t) is greater than at any other dx u The values ​​at (t) are all smaller or equal.

[0199] In some embodiments, to avoid frequent DMRS configuration switching due to prediction errors or instantaneous fluctuations, the optimal recommended DMRS configuration set determined by the terminal may also meet the following requirements:

[0200] Formula 15

[0201] in, The minimum improvement threshold can be set and must be greater than 0. It is a newly selected candidate configuration The predicted cost. This is the predicted cost under the same configuration in the current environment.

[0202] Therefore, it can be seen that:

[0203] Only when the prediction performance cost of the newly selected candidate configuration is... The predicted performance cost compared to the currently used configuration At least one threshold lower Only when necessary will we consider switching configurations.

[0204] If the predicted cost corresponding to the optimal recommended DMRS configuration set determined by the terminal does not meet the requirements indicated by Equation 14, the current DMRS configuration can be maintained unchanged.

[0205] Figure 5 An exemplary execution sequence of steps S502 and S503 is illustrated, but this does not constitute a limitation.

[0206] In this embodiment, the terminal does not search within a unified, high-dimensional DMRS configuration space across the entire network. Instead, it performs performance evaluation and sorting on all DMRS configuration indices within a candidate set defined by a personalized DMRS configuration subspace index table (DCSIT) pre-issued by the base station for its respective group. This enables differentiated DMRS configuration for different regions, scenarios, and terminals, thereby meeting the refined DMRS configuration requirements in large-scale and diverse scenarios. Furthermore, it avoids the problem of DMRS resource configuration mismatch with actual channel conditions that can easily occur in scenarios with rapidly changing channels, and also avoids degraded channel estimation performance or unnecessary increases in pilot overhead.

[0207] In some embodiments, after obtaining the optimal DMRS configuration, the terminal can use it, along with the current environmental state and the urgency of the business, as input for the reporting decision. The hierarchical reporting mechanism then determines whether to report and what reporting method to use.

[0208] For example, the current environment state is also represented by an environment state vector. Indicators may include SINR, BLER, Doppler estimation, interference level, etc.

[0209] After the terminal obtains the optimal DMRS configuration in the DCSIT of the corresponding group through step S503, it can selectively report information of different granularities to the base station through a hierarchical reporting mechanism based on its own performance detection and long-term environmental changes. This supports emergency response, group-level structure adjustment, or continuous optimization of the configuration subspace within the group, enabling the network side to gradually optimize the candidate configuration set structure while ensuring rapid response, and achieve a balance between configuration adaptation capability and signaling efficiency in a dynamic environment.

[0210] For example, a tiered reporting mechanism can be divided into:

[0211] An urgent report was submitted to address the severe instantaneous deterioration of link performance. The following explanation is based on steps S504 and S505.

[0212] Regrouping judgment and reporting: Determine whether the terminal is still suitable for the current group, thereby ensuring the long-term accuracy of user groups. The following is an explanation in conjunction with steps S506 and S507.

[0213] Intra-group parameter optimization reporting: This is used for continuous optimization of the DMRS configuration subspace within a group, and supports dynamic personalized optimization of the DMRS configuration set within a group. The following explanation is based on steps S508 and S509.

[0214] As another example, the reporting level is determined jointly by three types of discrimination functions, as follows:

[0215] The emergency decision function (or emergency detection function) determines whether to report immediately;

[0216] The grouping discrimination function determines whether regrouping and reporting are needed to adjust the structure.

[0217] The optimization value judgment function within the group determines whether it is worthwhile to perform parameter optimization and report it.

[0218] The decision priority, from highest to lowest, is as follows: Level 1 is urgent, Level 2 is regrouping, Level 3 is in-group optimization, and remaining silent.

[0219] S504. When the terminal determines that an emergency has been triggered at Level 1, it sends an emergency report to the base station via uplink control information (UCI); correspondingly, the base station receives the emergency report indicated by the UCI.

[0220] For example, in combination Figure 6 As shown, the terminal uses an emergency detection function to detect performance degradation in real time. It can directly reflect transmission reliability through BLER monitoring. When BLER exceeds a threshold, it indicates that the decoding failure rate is too high. It can also reflect the channel quality degradation trend through SINR drop monitoring. A rapid drop in SINR may lead to subsequent transmission failures.

[0221] The emergency detection function is designed as follows:

[0222] Formula 16

[0223] in, This is the BLER monitoring threshold; θ Base and f service The possible values ​​are as follows:

[0224] Formula 17

[0225] It is the SINR monitoring threshold; γ Bsae and g mobility The possible values ​​are as follows:

[0226] Formula 18

[0227] when When the terminal determines that an emergency has been triggered at Level 1, it can send an emergency report. When the time comes, the group discrimination function is entered to evaluate whether the terminal still stably belongs to the current group.

[0228] Optionally, the terminal may prioritize reporting emergency reports via UCI, but this does not constitute a restriction.

[0229] For example, the Emergency Report (EMERGENCY_REPORT) is included in the UCI and is a field of the UCI.

[0230] Optionally, the emergency report is used to indicate at least one of the following: emergency sign, emergency level, recommended configuration index, and relative timestamp.

[0231] For example, such as Figure 7 As shown, the emergency report occupies 8 bits, including an emergency flag, an emergency level, a recommended configuration index, and a relative timestamp. Optionally, the emergency flag E occupies one bit, the value of which is used to indicate whether the emergency report includes the emergency flag; the emergency level includes two bits, L1 and L0, used to indicate the urgency level of the terminal's current required DMRS configuration; the recommended configuration index includes three bits, C2 to C0, used to indicate the index of the optimal DMRS configuration obtained by the terminal through step S503; the relative timestamp includes two bits, T1 and T0, used to indicate the time when the emergency event occurred or the time when the recommended configuration was generated.

[0232] For example, T1 T0 = 00 indicates that the recommended DMRS configuration is based on the channel state of the currently reported time slot. This can be interpreted as "0 time slots ago" or "current / recent".

[0233] T1 T0 = 01 indicates that the recommended DMRS configuration is based on the channel state of the previous time slot. That is, "one time slot ago".

[0234] T1 T0 = 10 indicates that the recommended DMRS configuration is based on the channel state of the first two time slots of the reporting time slot. That is, "two time slots ago".

[0235] T1 T0 = 11, indicating that the recommended DMRS configuration is based on the channel state of the previous 3 or more time slots. That is, "3 time slots ago or earlier". Alternatively, it can be an invalid timestamp.

[0236] Figure 7 The displayed emergency flags, emergency levels, recommended configuration indexes, relative timestamp sorting, and the number of bits used do not constitute a limitation.

[0237] S505. The base station sends downlink control information (DCI) to the terminal, and the terminal receives the DCI.

[0238] For example, DCI is used to indicate DMRS configuration.

[0239] Optionally, DCI may include an index of the new DMRS configuration set.

[0240] Alternatively, the index of the new DMRS configuration set included in the DCI may be the recommended configuration index in the emergency report indicated by the UCI, i.e., the index of the optimal DMRS configuration obtained by the terminal through step S503.

[0241] Alternatively, the index of the new DMRS configuration table may be included in the DMRS configuration indication field of the DCI to reuse the field for indication; or, the DCI may expand the field to carry the index of the new DMRS configuration set.

[0242] In this embodiment, the base station can quickly reconfigure the DMRS by instructing the terminal on the DMRS configuration through the DCI.

[0243] In some embodiments, as shown in 10, after receiving a report from the terminal, the base station determines the report category. If it is Level 1 emergency, it indicates that the terminal's report is a UCI. The optimal DMRS configuration index recommended by the terminal is parsed from the UCI. Conflict detection based on system resources and service policies can be performed to avoid system-level side effects caused by emergency handover. If the conflict detection result is that the configuration is valid, step S505 can be executed; otherwise, a new DMRS configuration set can be re-determined.

[0244] S506. When the terminal determines that it is a Level 2 repackaging, it sends a repackaging report to the base station through the Media Access Control (MAC) control element (MAC CE); correspondingly, the base station receives the repackaging report indicated by the MAC CE.

[0245] Continue to combine Figure 6 As shown, the terminal uses a group discrimination function to assess whether it still stably belongs to the current group.

[0246] For example, the grouping discriminant function is designed as follows:

[0247] Formula 19

[0248] Among them, α, β, γ and η are constants that can be set; The offset between the terminal's long-term environmental characteristics and the current packet center. For performance trend loss, The degree of mismatch between the terminal configuration selection behavior and the current mainstream configuration distribution of the group. To report cost items, used to quantify the signaling cost and network burden required to trigger terminal-level reporting; these can be expressed as follows:

[0249] Formula 20

[0250] in, This is the group center environmental feature vector, calculated by the base station based on the long-term environmental statistical characteristics of each user equipment within the group. The specific calculation formula is as follows: ,in Belongs to group The user set, For users Long-term environmental feature vectors (such as average RSRP, average Doppler shift, average INR, etc.).

[0251] Formula 21

[0252] in, The reference BLER for this group is set to a fixed value.

[0253] Equation 21 is used to indicate the calculation within a time window. T , t Within a certain range, the cumulative average excess of the block error rate exceeding a certain target threshold.

[0254] The larger the performance trend loss value, the more severe the continuous performance loss suffered by the user in this group, and the greater the necessity for regrouping to match the new environment.

[0255] Formula 22

[0256] in, Configure the total number of sets for the DMRS corresponding to this group. Select DMRS configuration for the terminal The probability, The reference selection probability distribution for this group can be obtained by the base station statistically analyzing the average selection frequency of all users within the group and then sending it to the terminal.

[0257] If the user's preference distribution differs from the "preferred preferences if the user were to belong entirely to this group", the higher the mismatch value, the worse the fit between the terminal and the current group.

[0258] Formula 23

[0259] in, The basic signaling overhead constant is set to a fixed value of 1 or 2. This is the cell load factor, with a value between 0 and 1. ; This represents the user service priority, mapped to an integer value from 1 to 5 according to the 3GPP QoS category. The larger the value, the higher the user service priority.

[0260] For example, if and The terminal determines it to be a Level 2 repackaging and sends a repackaging report (INTER_GROUP_REPORT); if and The terminal is still stably classified as belonging to the current group and has entered the group's optimization value judgment function.

[0261] θ G,g This is the regrouping threshold, which can be adaptively adjusted by the base station based on the statistical distribution within the group. The expression is as follows:

[0262] Formula 24

[0263] in, The group stability coefficient (e.g., 2-3);

[0264] μ G,g It is the historical discriminant function mean, expressed as follows:

[0265] Formula 25

[0266] σ G,g The variance of the historical discriminant function is expressed as follows:

[0267] Formula 26

[0268] Optionally, the terminal may prioritize using MAC CE to report regrouping information, but this does not constitute a limitation.

[0269] For example, the regrouping report is included in MAC CE and is a field of MAC CE.

[0270] Optionally, the regrouping report is used to indicate at least one of the following: type identifier, terminal current grouping index, long-term DMRS optimal configuration index, and long-term environment information vector.

[0271] For example, such as Figure 8 As shown, the regrouping report includes a type identifier (CE_TYPE), the terminal's current group index (GROUP_ID), the long-term DMRS optimal configuration index (DMRS_LONG), and the long-term environment information vector (ENV_STATS).

[0272] Optionally, the type identifier occupies four bits, such as C1 to C4. The value of this bit is used to indicate the report type. For example, 00 indicates regrouping reporting, 01 indicates intra-group optimized reporting, 10 is reserved, and 11 is extended.

[0273] The terminal's current group index can occupy four bits.

[0274] The long-term DMRS optimal configuration index can occupy three bits and is used to indicate the configuration index with the lowest average BLER within the past time window T, as statistically analyzed by the terminal.

[0275] Optionally, the terminal continuously detects BLER in step S502, and the terminal counts the DMRS configuration set with the lowest average BLER (i.e., the mean of BLER) within the past time window T, and uses it as the optimal configuration.

[0276] In the past, time window T was a long window during which the terminal could be configured with different DMRS configuration sets by the network side.

[0277] In some embodiments, the long-term DMRS optimal configuration index can also be used to indicate the configuration index with the highest average throughput in the past time window T, or the configuration index with the lowest average BLER and the highest average throughput.

[0278] In other implementations, the long-term DMRS optimal configuration index can also be used to indicate the set of DMRS configurations with the lowest long-term average cost predicted by the AI ​​model. The long-term average cost predicted by the AI ​​model can also reflect the actual performance of the configuration.

[0279] The long-term environmental information vector is the result of environmental information statistically analyzed by the terminal within the past time window T, including at least one of the following: long-term PSPR level, long-term Doppler level, long-term interference level, and environmental stability. Each of the long-term PSPR level, long-term Doppler level, long-term interference level, and environmental stability can occupy two bits.

[0280] Figure 8 The sorting of the displayed type identifier, terminal current group index, long-term DMRS optimal configuration index, and long-term environment information vector, as well as the number of bits occupied, do not constitute a limitation.

[0281] S507. The base station sends an RRC reconfiguration message to the terminal, and the terminal receives the RRC reconfiguration message accordingly.

[0282] For example, an RRC reconfiguration message is used to indicate a new packet for the terminal and a DCSIT corresponding to the new packet, wherein the DCSIT includes one or more DMRS configuration sets.

[0283] Optionally, the RRC reconfiguration message may include the new packet index corresponding to the terminal and the DMRS configuration set corresponding to the new packet.

[0284] The base station's use of RRC reconfiguration messages to indicate to the terminal the new packet corresponding to the terminal and the corresponding DCSIT is not a limitation. In some embodiments, the base station may also use other formats of RRC signaling to indicate to the terminal the new packet corresponding to the terminal and the corresponding DCSIT.

[0285] In some embodiments, as shown in 10, after receiving a report from the terminal, the base station determines the report category. If it is a Level 2 regrouping determination, it indicates that the terminal's report is a MAC CE. The base station obtains the long-term DMRS optimal configuration index and long-term environment information vector from the regrouping report indicated by the MAC CE, performs group matching using the long-term DMRS optimal configuration index, and uses the long-term environment vector for auxiliary verification. Afterwards, the RRC reconfiguration message can be used in step S507.

[0286] After receiving the RRC reconfiguration message, the terminal can execute steps S502 and S503 based on the DMRS configuration set corresponding to the new group of the terminal, and report using a hierarchical reporting mechanism. For details, please refer to the content of steps S504 to S509, which will not be repeated here.

[0287] For example, the DMRS configuration set corresponding to the new packet of the terminal obtained by the base station is adapted to the DMRS configuration set indicated by the long-term DMRS optimal configuration index, for example, some or all of the parameters in the two have the same value or little difference.

[0288] Optionally, the DMRS configuration set corresponding to the new packet of the terminal obtained by the base station is also adapted to the radio environment indicated by the long-term environment vector.

[0289] Optionally, a DMRS configuration set in the DCSIT corresponding to the new group of the terminal is set to the terminal's current DMRS configuration. This setting method is the same as the setting method disclosed in step S501, and can be found in the description of step S501, which will not be repeated here.

[0290] S508. When the terminal determines that it is reporting an intra-group optimization at Level 3, it sends an intra-group optimization report to the base station via MAC CE; correspondingly, the base station receives the intra-group optimization report indicated by MAC CE.

[0291] Continue to combine Figure 6 As shown, and The terminal is still stably classified as belonging to the current group, and the group optimization value discrimination function is used to determine whether to send a group optimization report.

[0292] For example, the within-group optimization value discriminant function is defined as:

[0293] Formula 27

[0294] in, The degree of mismatch between the terminal configuration selection behavior and the current mainstream group configuration distribution is explained in the previous text and will not be repeated here.

[0295] To configure the terminal, select trend stability. The calculation formula is as follows:

[0296] Formula 28

[0297] and These represent the probability distribution of configuration selections for the terminal within the historical window and the recent window, respectively.

[0298] Please refer to the previous text for the explanation; it will not be repeated here.

[0299] Understandable: The larger the value, the stronger the trend of preference change.

[0300] For example, when When the condition is met, the terminal is triggered to send an optimization report within the group; otherwise, the terminal remains silent.

[0301] θ V,g It is the intra-group optimization threshold, defined as follows:

[0302] Formula 29

[0303] in, The stability coefficient (e.g., 2-3);

[0304] μ V,g It is the mean of the within-group optimization value discrimination function, expressed as follows:

[0305] Formula 30

[0306] σ V,g The variance of the within-group optimization value discriminant function is expressed as follows:

[0307] Formula 31

[0308] Optionally, the terminal prioritizes using MAC CE to report the group optimization report, which provides the base station with lightweight configuration trend information, but this does not constitute a limitation.

[0309] For example, the in-group optimization report is included in MAC CE and is a field of MAC CE.

[0310] Optionally, the intra-group optimization report is used to indicate at least one of the following: type identifier, current terminal group index, recommended configuration index, and optimization confidence.

[0311] For example, such as Figure 9 As shown, the intra-group optimization report includes the type identifier (CE_TYPE), the terminal's current group index (GROUP_ID), the recommended configuration index (DMRS_BEST), and the optimization confidence level (OPT_CONF_IND).

[0312] Optionally, the type identifier occupies four bits, such as C1 to C4. The value of this bit is used to indicate the report type. For example, 00 indicates regrouping reporting, 01 indicates intra-group optimized reporting, 10 is reserved, and 11 is extended.

[0313] The terminal's current group index can occupy four bits.

[0314] The recommended configuration index includes three bits, which indicate the index of the optimal DMRS configuration obtained by the terminal through step S503.

[0315] The optimization confidence level includes a performance improvement level and / or a configuration stability level, each of which can occupy two bits to indicate the benefits of optimizing the DMRS configuration from both performance improvement and configuration stability dimensions.

[0316] Figure 9 The displayed type identifier, the current terminal group index, the recommended configuration index, the sorting of the optimized confidence score, and the number of bits used do not constitute a limitation.

[0317] S509. The base station sends DCI to the terminal, and the terminal receives the corresponding DCI.

[0318] For example, DCI is used to indicate DMRS configuration.

[0319] Optionally, DCI may include an index of the new DMRS configuration set.

[0320] Alternatively, the index of the new DMRS configuration set included in the DCI may be the recommended configuration index in the intra-group optimization report indicated by the MAC CE, i.e., the index of the optimal DMRS configuration obtained by the terminal through step S503.

[0321] Alternatively, the index of the new DMRS configuration table may be included in the DMRS configuration indication field of the DCI to reuse the field for indication; or, the DCI may expand the field to carry the index of the new DMRS configuration set.

[0322] In this embodiment, the base station can quickly update the DMRS configuration by instructing the terminal on the DMRS configuration through the DCI.

[0323] In some embodiments, as shown in 10, after the base station receives the report from the terminal, it determines the report category. If it is Level 3 intra-group optimization, it means that the terminal's report is a MAC CE. The base station receives the MAC CE and parses the terminal's recommended optimal DMRS configuration index and optimization confidence from the MAC CE. The terminal's recommended optimal DMRS configuration index is carried in the DCI and sent to the terminal. The optimization confidence is used to update the initial weight of the DMRS configuration indicated by the base station to the terminal as the terminal's current DMRS configuration, such as the DMRS configuration set corresponding to the index of the individual DMRS configuration set indicated by the RRC reconfiguration message in step S501.

[0324] For example, the base station updates the initial weights in the DCSIT of the terminal's current packet, which are the currently used DMRS configurations, to... The updated formula is as follows:

[0325] Formula 32

[0326] in, The initial weights for the DCSIT of the current terminal group, configured as the DMRS currently in use.

[0327] This is a system parameter used to control the update magnitude, and can be a very small positive number (such as 0.1).

[0328] The weight increment brought about by this report is a function that optimizes the confidence level, defined as follows:

[0329] Formula 33

[0330] Performance enhancement level ( ) and configuration stability level ( The values ​​are quantized to 0-3, which correspond to 2 bits of 00, 01, 10, and 11 respectively.

[0331] It is a trade-off coefficient.

[0332] After Δω is calculated using Equation 33, it can be normalized to Substitute the values ​​of the interval into Equation 32.

[0333] Optionally, after the base station obtains the updated weights of the DMRS configuration currently used in the DCSIT of the terminal's current packet, it can adjust the sorting of the DMRS configuration set in the DCSIT of the terminal's current packet based on the updated weights, so as to update the construction rules of the personalized DMRS configuration set when the DMRS configuration set is sent to the terminal next time.

[0334] From steps S504 to S509, it can be seen that:

[0335] By employing a tiered reporting mechanism to differentiate reported information of different granularities and decision values, the network side can ensure the long-term accuracy of user grouping and gradually optimize the candidate configuration set structure while maintaining rapid response. This achieves a balance between configuration adaptation capability and signaling efficiency in a dynamic environment.

[0336] The configuration method provided in this application embodiment is based on the fact that it realizes dynamic, personalized and adaptive optimization of DMRS configuration through the user grouping mechanism on the base station side and the hierarchical reporting strategy on the user side.

[0337] Research has found that this configuration method, in addition to being applicable to the configuration of PDSCH DMRS, can also be extended to the following communication scenarios and network architectures:

[0338] (1) Other reference signal or control channel configuration optimization scenarios

[0339] In wireless communication systems, besides DMRS, there are various scenarios that rely on reference signals or control channels for demodulation, measurement, or synchronization. The configuration method provided in this application is not only applicable to data channel demodulation reference signals, but can also be extended to other reference signal or auxiliary pilot configuration scenarios defined in the 3GPP standard, including but not limited to the demodulation reference signal of the physical downlink control channel (PDCCH DMRS) used for control channel demodulation, CSI-RS used for channel state measurement and link adaptation, the sounding reference signal (SRS) used for uplink channel measurement and power control, and the phase-tracking reference signal (PTRS) used for link quality compensation.

[0340] In such scenarios, different users also exhibit significant differences in coverage conditions, mobility, and interference levels. The configuration method provided in this application group users and defines differentiated reference signal configuration subspaces for different groups, thereby avoiding all users having to make selections within a uniform, large-scale configuration space.

[0341] The terminal side can still use a hierarchical reporting mechanism based on local perception and AI inference results, triggering configuration switching or structural adjustments only when necessary, reducing invalid or redundant feedback.

[0342] (2) Multi-user dense access and high-load network scenarios

[0343] In scenarios with dense user access or high-load network conditions, the system typically faces the following problems: high complexity in configuration selection, large control signaling overhead, and single-user optimization can easily trigger system-level conflicts.

[0344] The configuration method provided in this application reduces the complexity of configuration decisions by introducing a base station-side grouping and configuration space reconstruction mechanism, thereby restricting users to a configuration subspace that matches their environment. Simultaneously, the terminal's hierarchical reporting mechanism enables the base station to distinguish between three different needs: "urgent configuration adjustment," "structural change," and "gradual optimization," thus avoiding system instability caused by frequent configuration adjustments under high-load scenarios.

[0345] (3) High mobility or rapidly changing channel environment scenarios

[0346] In scenarios involving high-speed movement or rapid channel changes (such as high-speed trains and vehicle-to-everything (V2X) communication), the wireless environment exhibits significant time-varying characteristics. Traditional static or periodic configuration update methods are insufficient to respond promptly to sudden performance degradation.

[0347] The configuration method provided in this application allows the terminal to directly report the optimal configuration suggestion when it detects a significant performance degradation through an emergency reporting mechanism. The base station can quickly complete the configuration switch through low-latency control signaling. When the environmental changes are continuous, the dynamic adjustment of the group structure can be triggered by regrouping reporting, so that the configuration subspace is consistent with the new environmental characteristics.

[0348] (4) Satellite communications and non-terrestrial networks (NTN)

[0349] In satellite communication or high-altitude platform communication scenarios, the channel has characteristics such as long time delay, large frequency offset, and rapid time variation.

[0350] When the configuration method provided in this application is applied to this communication scenario, a DMRS configuration subspace adapted to the satellite channel can be constructed by extending grouping features (such as nadir angle, Doppler pre-compensation state, propagation delay level, etc.). The terminal can perform local configuration evaluation based on real-time channel measurements and ephemeris information, and support dynamic adjustment of DMRS configuration by the satellite or ground station through hierarchical reporting.

[0351] (5) Industrial Internet and URLLC Scenarios

[0352] In ultra-reliable low-latency communication (URLLC) scenarios, there are extremely high requirements for link stability and latency.

[0353] The configuration method provided in this application embodiment can be directly used to deal with sudden channel degradation or interference changes through the emergency reporting mechanism. The optimal configuration can be quickly reported through UCI, and the base station can complete DMRS reconfiguration in a very short time, thereby ensuring the reliability of critical service transmission.

[0354] Figure 11 A flowchart illustrating the configuration method provided in an embodiment of this application is shown.

[0355] like Figure 11 As shown, the configuration method includes:

[0356] S1101, The network device sends the first message to the terminal, and the corresponding terminal receives the first message.

[0357] For example, the first message is used to indicate the configuration set index table of the reference signal corresponding to the first group and the first configuration set of the reference signal; wherein, the configuration set index table of the reference signal includes one or more configuration sets of the reference signal, and the one or more configuration sets are determined according to the coverage area of ​​the network side to which the terminal belongs, as well as the classification of the terminal's moving speed and anti-interference capability, and the first configuration set belongs to the configuration set in the configuration set index table of the reference signal.

[0358] For example, the reference signal may include PDSCH DMRS, PDCCH DMRS, CSI-RS, SRS, and PTRS, etc.

[0359] For example, the first message may be an RRC reconfiguration message or other forms of RRC signaling.

[0360] Taking the reference signal as PDSCH DMRS as an example, the description of the configuration set index table of the reference signal corresponding to the first group of the terminal, the description of the first configuration set of the reference signal, the implementation method of the first message indication configuration set index table and the first configuration set can all be found in the aforementioned step S501, and will not be repeated here.

[0361] The coverage area of ​​the terminal's home network refers to the physical group where the terminal is located as shown in Equation 2. The terminal's mobility speed classification refers to the type of user the terminal belongs to as shown in Equation 3. The terminal's anti-interference capability classification refers to the type of user the terminal belongs to as shown in Equation 4. The implementation methods for clarifying the coverage area of ​​the terminal's home network, mobility speed classification, and anti-interference capability classification can also be found in the aforementioned step S501, and will not be repeated here.

[0362] The implementation method of determining the configuration set index table of the reference signal corresponding to the first group of the terminal based on the coverage area of ​​the network side to which the terminal belongs, as well as the classification of the terminal's moving speed and anti-interference capability, can also be the content of the aforementioned step S501, which will not be repeated here.

[0363] In this embodiment, the first message indicates a configuration set index table of reference signals corresponding to the first group of the terminal. The configuration set index table includes one or more configuration sets of reference signals. Therefore, one or more configuration sets of reference signals belong to the first group corresponding to the terminal. Furthermore, the configuration set of the first group is determined according to the coverage area of ​​the network to which the terminal belongs, as well as the classification of the terminal's mobile speed and anti-interference capability. This allows for different configuration sets of reference signals indicated by the first message if the coverage area of ​​the network to which the terminal belongs, as well as the classification of the terminal's mobile speed and anti-interference capability, are different. This improves the flexibility of reference signal configuration and enables dynamic adaptive adjustment.

[0364] In some embodiments, after receiving the first message, the terminal may execute step S1102 or step S1103.

[0365] S1102, The terminal sends a second message to the network device, and the network device receives the second message accordingly.

[0366] For example, the second message is used to indicate a second configuration set of reference signals.

[0367] The second configuration set belongs to the configuration set in the configuration set index table of the reference signal, and the corresponding wireless communication performance meets the preset requirements. The wireless communication performance corresponding to the second configuration set is obtained by the terminal based on the wireless communication environment status of the terminal.

[0368] For example, the wireless communication performance corresponding to the second configuration set refers to the configuration cost of the second configuration set. Optionally, the terminal can use the AI ​​model indicated by Equation 13 to obtain the configuration cost of the configuration set, as explained above, and will not be repeated here.

[0369] Correspondingly, the wireless communication performance of the second configuration set meeting the preset requirements means that the configuration cost of the second configuration set is the minimum value among the configuration costs of one or more configuration sets including the reference signal in the configuration set index table, as detailed in Equation 14 above, which will not be repeated here.

[0370] For another example, in order to avoid frequent switching of DMRS configuration due to prediction errors or instantaneous fluctuations, the configuration cost of the second configuration set is less than or equal to the difference between the configuration cost of the first configuration set of the reference signal and the first threshold. The first threshold is ε in Equation 15, as detailed in Equation 15 above, and will not be repeated here.

[0371] In some embodiments, the second message is associated with the terminal detecting that the block error rate is greater than a second threshold and / or the signal-to-interference-plus-noise ratio is greater than a third threshold.

[0372] For example, the terminal uses an emergency detection function to detect performance degradation in real time, and then determines whether to report a second message.

[0373] Based on this, the second message being associated with the terminal detecting that the block error rate is greater than the second threshold and / or the signal-to-interference-plus-noise ratio is greater than the third threshold means that when the terminal detects that the block error rate is greater than the second threshold and / or the signal-to-interference-plus-noise ratio is greater than the third threshold, the terminal sends a second message to the network device.

[0374] Block error rate and / or signal-to-interference-plus-noise ratio can be used as indicators of the emergency detection function, as detailed in Equations 16 to 18.

[0375] The second threshold is θ in Equation 16. B The third threshold is γ in Equation 16. s .

[0376] In this case, the second message includes an emergency report, and the index of the second configuration set of reference signals is included in the emergency report. Optionally, the second message is also used to indicate at least one of an emergency flag, an emergency level, and a relative timestamp; wherein the relative timestamp is used to indicate the time when the emergency occurred or the time when the second configuration set was generated.

[0377] Emergency signs, emergency levels, and relative timestamps can be included in emergency reports.

[0378] For details of the emergency report, please refer to the previous text. Figure 7 The details of the corresponding embodiments will not be repeated here.

[0379] Optionally, the second message can be a UCI, but this is not a limitation.

[0380] In this embodiment of the application, if the terminal detects that the block error rate is greater than the second threshold and / or the signal-to-interference-plus-noise ratio is greater than the third threshold, it indicates that the instantaneous link performance of the terminal has seriously deteriorated. The terminal sends a second configuration set of reference signals to the network device through a second message. The wireless communication performance corresponding to the second configuration set meets the preset requirements, which can realize timely response to rapid channel change scenarios such as high-speed movement, occlusion changes or sudden interference.

[0381] In some embodiments, after step S1102, step S1104 may also be performed.

[0382] S1104. The network device sends a third message to the terminal, and the terminal receives the third message accordingly.

[0383] For example, the third message is used to indicate a second configuration set of reference signals.

[0384] Optionally, the third message may be a DCI. The third message indicates the description of the second configuration set of the reference signal, which can be found in step S505 and will not be repeated here.

[0385] In other embodiments, the second message is associated with the terminal detecting that the intra-group optimization value is greater than a fourth threshold.

[0386] Among them, the optimization value within the group is positively correlated with the degree of mismatch and / or trend stability of the configuration set in the configuration set index table of the reference signal of the first group corresponding to the terminal, and negatively correlated with the reporting cost; the reporting cost is used to indicate the signaling cost and network burden required for the terminal to report.

[0387] For example, the terminal can obtain the intra-group optimization value through Equation 27, where the degree of mismatch of the configuration set in the configuration set index table of the reference signal of the terminal corresponding to the first group is as shown in Equation 27. The trend stability is as shown in Equation 27. The reported costs are as shown in Formula 27. Please refer to the previous text for details, which will not be repeated here.

[0388] For another example, the association between the second message and the terminal detecting that the intra-group optimization value is greater than the fourth threshold means:

[0389] The terminal detected that the optimization value within the group was greater than the fourth threshold, i.e. The terminal then sends a second message.

[0390] The fourth threshold is θ. V,g The results are obtained by calculation as shown in Equations 29 to 31, and please refer to the previous text for further details.

[0391] Optionally, the terminal detects It is still necessary to determine ,as well as Only then does the terminal send the second message to the network device. See the attached documentation for further details. Figure 6 The corresponding implementation details will not be repeated here.

[0392] In this case, the second message includes an intra-group optimization report, and the index of the second configuration set of the reference signal is included in the intra-group optimization report.

[0393] Optionally, the second message is also used to indicate at least one of the report type indicated by the second message, the current terminal group (i.e., the first group), and the optimized confidence level; wherein the optimized confidence level is used to update the weights of the first configuration set of the reference signal.

[0394] The report type, current terminal group, and optimization confidence level indicated by the second message are included in the group optimization report.

[0395] Please refer to the description of the group optimization report. Figure 9 The corresponding implementation details will not be repeated here.

[0396] Optionally, the second message can be a MAC CE, but this is not a limitation.

[0397] In this embodiment, if the terminal detects that the optimization value within the group is greater than the fourth threshold, it indicates that the first configuration set of the reference signal is not suitable for the terminal's current wireless communication environment. The terminal then reports the configuration set in the configuration set index table of the first group that meets the preset requirements for wireless communication performance to the network device through the second message. This enables continuous optimization of the configuration set within the group and supports dynamic personalized optimization of the configuration set within the group.

[0398] In some embodiments, after step S1102, step S1105 may also be performed.

[0399] S1105. The network device sends a third message to the terminal, and the terminal receives the third message accordingly.

[0400] For example, the third message is used to indicate a second configuration set of reference signals.

[0401] Optionally, the third message may be a DCI. The third message indicates the description of the second configuration set of the reference signal, which can be found in step S509 and will not be repeated here.

[0402] Optionally, the network device may also update the initial weights of the first configuration set of the reference signal based on the optimized confidence level indicated by the second message, as detailed in Equations 32 and 33, which will not be repeated here.

[0403] S1103, The terminal sends a fourth message to the network device, and the network device receives the fourth message accordingly.

[0404] For example, the fourth message is used to indicate a third configuration set of reference signals; wherein the wireless communication performance corresponding to the third configuration set is optimal within a preset duration.

[0405] Optionally, the wireless communication performance corresponding to the third configuration set is indicated by BLER. Correspondingly, the optimal wireless communication performance corresponding to the third configuration set within a preset time period means that: the terminal continuously detects BLER through step S502, and the DMRS configuration set with the lowest average BLER within the past time window T is the third configuration set.

[0406] Alternatively, the wireless communication performance corresponding to the third configuration set is indicated by throughput. Correspondingly, the optimal wireless communication performance of the third configuration set within a preset time period means that, according to terminal statistics, the DMRS configuration set with the highest average throughput within the past time window T is the third configuration set.

[0407] Alternatively, the wireless communication performance corresponding to the third configuration set is indicated by BLER and throughput. Correspondingly, the optimal wireless communication performance of the third configuration set within a preset time period means that, according to terminal statistics, the DMRS configuration set with the highest average throughput and the lowest average BLER within the past time window T is the third configuration set.

[0408] Alternatively, the wireless communication performance corresponding to the third configuration set is indicated by the long-term average of the AI ​​model's predicted cost. Correspondingly, the optimal wireless communication performance corresponding to the third configuration set within a preset time period means that the DMRS configuration set with the lowest long-term average of the AI ​​model's predicted cost is the third configuration set.

[0409] The description of the above optional embodiments can be found in the description of step S506, and will not be repeated here.

[0410] For example, the fourth message could be a MAC CE, but this is not a limitation.

[0411] Optionally, the fourth message may include a regrouping report, in which a third configuration set of reference signals is included.

[0412] Alternatively, the fourth message may further indicate at least one of the report type indicated by the fourth message, the terminal's current packet (i.e., the first packet), and the long-term environmental information vector; wherein the long-term environmental information vector is used to indicate the wireless communication environment status of the terminal within a preset duration. The report type, the terminal's current packet, and the long-term environmental information vector indicated by the fourth message may also be included in the repacket report. For a description of the repacket report, please refer to [link to relevant documentation]. Figure 8 The corresponding implementation details will not be repeated here.

[0413] In some embodiments, the fourth message is associated with the terminal detecting that the regrouping discrimination value is greater than the fifth threshold.

[0414] Among them, the repackaging discrimination value is positively correlated with the characteristics of the terminal's long-term wireless communication environment and the offset of the terminal's current packet, the cumulative average excess of the terminal's block error rate exceeding the threshold within a preset time period, and / or the degree of mismatch of the configuration set in the configuration set index table of the reference signal of the terminal corresponding to the first packet, and negatively correlated with the reporting cost; the reporting cost is used to indicate the signaling cost and network burden required for the terminal to report.

[0415] For example, the fourth message being associated with the terminal detecting a regrouping threshold greater than the fifth threshold means that the terminal detects a regrouping threshold greater than the fifth threshold, i.e. The terminal sends the fourth message.

[0416] Optionally, the regrouping discriminant value is calculated using equations 19 to 23.

[0417] The fifth threshold is θG,g The result can be obtained from equations 24 to 26, as described above, and will not be repeated here.

[0418] The characteristics of the terminal's long-term wireless communication environment and the offset of the terminal's current packet are shown in Equation 19. The cumulative average excess amount of the terminal's block error rate exceeding the threshold within a preset time period is as shown in Equation 19. The degree of mismatch in the configuration set in the configuration set index table of the reference signal for the first group of terminals is as shown in Equation 19. The reported costs are as shown in Formula 19. For a description of these four parameters, please refer to the description of step S506, which will not be repeated here.

[0419] Optionally, the terminal detects It is still necessary to determine Only then does the terminal send the second message to the network device. See the attached documentation for further details. Figure 6 The corresponding implementation details will not be repeated here.

[0420] In this embodiment of the application, when the terminal detects that the re-grouping discrimination value is greater than the fifth threshold, the terminal sends a fourth message to the network device, indicating that the terminal evaluates whether the DMRS configuration in the DMRS configuration subspace index table of the first group configured for the terminal is long-term compatible with the terminal by comparing the re-grouping discrimination value and the fifth threshold.

[0421] Furthermore, when the regrouping discrimination value is greater than the fifth threshold, the terminal sends the optimal configuration set of wireless communication performance within a preset time period to the network device through the fourth message, which can realize the response to scenarios under the three dimensions of channel change trend, stability and uncertainty.

[0422] In some embodiments, after step S1103, step S1106 may also be performed.

[0423] S1106. The network device sends the fifth message to the terminal, and the terminal receives the fifth message accordingly.

[0424] For example, the fifth message is used to indicate the configuration set index table of the reference signal corresponding to the second group of the terminal; wherein the configuration set index table of the reference signal includes one or more configuration sets of the reference signal, and the one or more configuration sets are adapted to the third configuration set of the reference signal.

[0425] For example, the fifth message may be an RRC reconfiguration message or other forms of RRC signaling.

[0426] Taking the reference signal PDSCH DMRS as an example, the description of the configuration set index table of the reference signal corresponding to the second group of the terminal, the description of the third configuration set of the reference signal, and the implementation method of the fifth message indicating the configuration set index table and the third configuration set can all be found in the aforementioned step S507, and will not be repeated here.

[0427] As can be seen from steps S1102 and S1103, the terminal can selectively report information of different granularities through a hierarchical reporting mechanism based on its own performance detection and long-term environmental changes. This supports emergency response, group-level structure adjustment, or continuous optimization of the configuration subspace within a group, enabling the network side to gradually optimize the candidate configuration set structure while ensuring rapid response, and achieve a balance between configuration adaptive capability and signaling efficiency in a dynamic environment.

[0428] Figure 12 This is a schematic block diagram of a communication device provided in an embodiment of this application.

[0429] like Figure 12 As shown, the communication device 1200 may include a communication module 1220. The communication module 1220 can implement corresponding communication functions, which can be internal communication functions of the communication device 1200 or communication functions between the communication device 1200 and other devices. Optionally, the communication module 1220 may also be referred to as a communication interface, transceiver module, or transceiver unit.

[0430] Optionally, the communication device 1200 further includes a processing module 1210. The processing module 1210 can perform corresponding processing functions, and optionally, the processing module 1210 can also be referred to as a processing unit.

[0431] Optionally, the communication device 1200 further includes a storage module, which can be used to store instructions and / or data; the processing module 1210 can read the instructions and / or data in the storage module so that the communication device 1200 can implement the aforementioned method embodiments.

[0432] In one possible design, the communication device 1200 may correspond to the terminal in the above method embodiments or a component (such as a circuit, chip, or chip system) configured in the terminal. The communication device 1200 may be used to execute the steps or processes performed by the terminal in any of the above method embodiments.

[0433] For example, the communication module 1220 is used to receive a first message, which is used to indicate the configuration set index table of the reference signal corresponding to the first group and the first configuration set of the reference signal; wherein, the configuration set index table of the reference signal includes one or more configuration sets of the reference signal, which are determined according to the coverage area of ​​the terminal's home network, as well as the terminal's mobile speed classification and anti-interference capability classification, and the first configuration set belongs to the configuration set in the configuration set index table of the reference signal.

[0434] For example, the communication module 1220 is also used to send a second message, which indicates a second configuration set of the reference signal; wherein the second configuration set belongs to the configuration set in the configuration set index table of the reference signal, and the corresponding wireless communication performance meets the preset requirements, and the wireless communication performance corresponding to the second configuration set is obtained by the terminal according to the wireless communication environment state of the terminal.

[0435] For example, the wireless communication performance corresponding to the second configuration set includes the configuration cost of the second configuration set; the wireless communication performance corresponding to the second configuration set meeting the preset requirements includes: the configuration cost of the second configuration set is the minimum value among the configuration costs of one or more configuration sets including the reference signal in the configuration set index table.

[0436] For example, the configuration cost of the second configuration set is less than or equal to the difference between the configuration cost of the first configuration set of the reference signal and the first threshold.

[0437] For example, the second message is also used to indicate at least one of an emergency flag, an emergency level, and a relative timestamp; wherein the relative timestamp is used to indicate the time when the emergency occurred or the time when the second configuration set was generated.

[0438] For example, the second message is also used to indicate at least one of the report type indicated by the second message, the current terminal group, and the optimized confidence level; wherein the optimized confidence level is used to update the weights of the first configuration set of the reference signal.

[0439] For example, the second message is associated with the terminal detecting that the block error rate is greater than a second threshold and / or the signal-to-interference-plus-noise ratio is greater than a third threshold; or, the second message is associated with the terminal detecting that the intra-group optimization value is greater than a fourth threshold, wherein the intra-group optimization value is positively correlated with the degree of mismatch and / or trend stability of the configuration set in the configuration set index table of the reference signal of the terminal corresponding to the first group, and negatively correlated with the reporting cost; the reporting cost is used to indicate the signaling cost and network burden required for the terminal to report.

[0440] For example, the communication module 1220 is also used to receive a third message, which indicates a second configuration set of reference signals.

[0441] For example, the communication module 1220 is also used to send a fourth message, which indicates a third configuration set of the reference signal; wherein the wireless communication performance corresponding to the third configuration set is optimal within a preset duration.

[0442] For example, the fourth message is also used to indicate at least one of the report type indicated by the fourth message, the terminal's current packet, and the long-term environmental information vector; wherein the long-term environmental information vector is used to indicate the wireless communication environment status of the terminal within a preset duration.

[0443] For example, the fourth message is associated with the terminal detecting that the repackaging discrimination value is greater than the fifth threshold; wherein, the repackaging discrimination value is positively correlated with the terminal's long-term wireless communication environment characteristics and the offset of the terminal's current packet, the cumulative average excess of the terminal's block error rate exceeding the threshold within a preset time period, and / or the degree of mismatch of the configuration set in the configuration set index table of the terminal's reference signal for the first packet, and negatively correlated with the reporting cost; the reporting cost is used to indicate the signaling cost and network burden required for the terminal to report.

[0444] For example, the communication module 1220 is also configured to receive a fifth message, which is used to indicate the configuration set index table of the reference signal corresponding to the second group of the terminal; wherein the configuration set index table of the reference signal includes one or more configuration sets of the reference signal, and the one or more configuration sets are adapted to the third configuration set of the reference signal.

[0445] The above are merely examples; for detailed steps or procedures, please refer to the descriptions in the foregoing embodiments.

[0446] In one possible design, the communication device 1200 may correspond to a network device or a functional unit within a network device in the above method embodiments, or a component (such as a circuit, chip, or chip system) configured within a network device. The communication device 1200 can be used to execute the steps or processes performed by the network device in any of the above method embodiments.

[0447] For example, the communication module 1220 is used to send a first message, which is used to indicate the configuration set index table of the reference signal corresponding to the first group and the first configuration set of the reference signal; wherein, the configuration set index table of the reference signal includes one or more configuration sets of the reference signal, which are determined according to the coverage area of ​​the terminal's home network side, as well as the terminal's mobile speed classification and anti-interference capability classification, and the first configuration set belongs to the configuration set in the configuration set index table of the reference signal.

[0448] For example, the communication module 1220 is also used to receive a second message, which indicates a second configuration set of the reference signal; wherein the second configuration set belongs to the configuration set in the configuration set index table of the reference signal, and the corresponding wireless communication performance meets the preset requirements, and the wireless communication performance corresponding to the second configuration set is obtained by the terminal according to the wireless communication environment status of the terminal.

[0449] For example, the wireless communication performance corresponding to the second configuration set includes the configuration cost of the second configuration set; the wireless communication performance corresponding to the second configuration set meeting the preset requirements includes: the configuration cost of the second configuration set is the minimum value among the configuration costs of one or more configuration sets including the reference signal in the configuration set index table.

[0450] For example, the configuration cost of the second configuration set is less than or equal to the difference between the configuration cost of the first configuration set of the reference signal and the first threshold.

[0451] For example, the second message is also used to indicate at least one of an emergency flag, an emergency level, and a relative timestamp; wherein the relative timestamp is used to indicate the time when the emergency occurred or the time when the second configuration set was generated.

[0452] For example, the second message is also used to indicate at least one of the report type indicated by the second message, the current terminal group, and the optimized confidence level; wherein the optimized confidence level is used to update the weights of the first configuration set of the reference signal.

[0453] For example, the second message is associated with the terminal detecting that the block error rate is greater than a second threshold and / or the signal-to-interference-plus-noise ratio is greater than a third threshold; or, the second message is associated with the terminal detecting that the intra-group optimization value is greater than a fourth threshold, wherein the intra-group optimization value is positively correlated with the degree of mismatch and / or trend stability of the configuration set in the configuration set index table of the reference signal of the terminal corresponding to the first group, and negatively correlated with the reporting cost; the reporting cost is used to indicate the signaling cost and network burden required for the terminal to report.

[0454] For example, the communication module 1220 is also used to send a third message, which indicates a second configuration set of reference signals.

[0455] For example, the communication module 1220 is also configured to receive a fourth message, which indicates a third configuration set of the reference signal; wherein the wireless communication performance corresponding to the third configuration set is optimal within a preset duration.

[0456] For example, the fourth message is also used to indicate at least one of the report type indicated by the fourth message, the terminal's current packet, and the long-term environmental information vector; wherein the long-term environmental information vector is used to indicate the wireless communication environment status of the terminal within a preset duration.

[0457] For example, the fourth message is associated with the terminal detecting that the repackaging discrimination value is greater than the fifth threshold; wherein, the repackaging discrimination value is positively correlated with the terminal's long-term wireless communication environment characteristics and the offset of the terminal's current packet, the cumulative average excess of the terminal's block error rate exceeding the threshold within a preset time period, and / or the degree of mismatch of the configuration set in the configuration set index table of the terminal's reference signal for the first packet, and negatively correlated with the reporting cost; the reporting cost is used to indicate the signaling cost and network burden required for the terminal to report.

[0458] For example, the communication module 1220 is also configured to send a fifth message, which is used to indicate the configuration set index table of the reference signal corresponding to the second group of the terminal; wherein the configuration set index table of the reference signal includes one or more configuration sets of the reference signal, and the one or more configuration sets are adapted to the third configuration set of the reference signal.

[0459] The above are merely examples; for detailed steps or procedures, please refer to the descriptions in the foregoing embodiments.

[0460] Figure 13 This is another schematic block diagram of the communication device 1300 provided in the embodiments of this application.

[0461] The communication device 1300 may be a terminal, a network device, a chip, a chip system, or a processor that implements the above methods. The communication device 1300 can be used to implement the methods described in the above method embodiments; for details, please refer to the descriptions in the above method embodiments.

[0462] like Figure 13 As shown, the communication device 1300 may include one or more processors 1310, which may also be referred to as processing units or processing modules, and can implement certain control functions. The processor 1310 may be a general-purpose processor or a dedicated processor, such as a baseband processor or a central processing unit. The baseband processor can be used to process communication protocols and communication data, while the central processing unit can be used to control the communication device 1300 (such as a base station, baseband chip, user, or user chip), execute software programs, and process data from the software programs.

[0463] In an alternative design, the processor 1310 may also store instructions and / or data, which can be executed by the processor 1310 to cause the communication device 1300 to perform the methods described in the above method embodiments.

[0464] In another alternative design, the communication device 1300 may include a communication interface 1320 for implementing receiving and transmitting functions. For example, the communication interface 1320 may be a transceiver circuit, interface, interface circuit, or transceiver. The transceiver circuit, interface, interface circuit, or transceiver for implementing receiving and transmitting functions may be separate or integrated. The aforementioned transceiver circuit, interface, interface circuit, or transceiver may be used for reading and writing code / data, or it may be used for transmitting or relaying signals.

[0465] Optionally, the communication device 1300 may include one or more memories 1330, which may store instructions that can be executed on the processor 1310, causing the communication device 1300 to perform the methods described in the above method embodiments. Optionally, the memories 1330 may also store data. Optionally, the processor 1310 may also store instructions and / or data. The processor 1310 and the memories 1330 may be provided separately or integrated together.

[0466] It should be understood that, in one possible design, the steps in the method embodiments provided in this application can be implemented by integrated logic circuits in the processor's hardware or by instructions in software form. The steps of the methods disclosed in the embodiments of this application can be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules in the processor. The software modules can reside in random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, registers, or other mature storage media in the art. This storage medium is located in memory, and the processor reads information from the memory and, in conjunction with its hardware, completes the steps of the above method. To avoid repetition, detailed descriptions are not provided here.

[0467] In one implementation, the communication device 1300 may correspond to the terminal in the above method embodiments and may be used to execute the various steps and / or processes executed by the terminal in the above method embodiments. The processor 1310 may be used to execute instructions stored in the memory 1330, and when the processor 1310 executes the instructions stored in the memory, the processor 1310 is used to execute the various steps and / or processes of the above method embodiments corresponding to the terminal.

[0468] In another implementation, the communication device 1300 may correspond to the network device in the above method embodiments and may be used to execute the various steps and / or processes executed by the network device in the above method embodiments. The processor 1310 may be used to execute instructions stored in the memory 1330, and when the processor 1310 executes the instructions stored in the memory, the processor 1310 is used to execute the various steps and / or processes of the above method embodiments corresponding to the access network device.

[0469] It is understood that the aforementioned processor can be one or more chips. For example, the processor can be a field-programmable gate array (FPGA), an application-specific integrated circuit (ASIC), a system-on-chip (SoC), a central processor unit (CPU), a network processor (NP), a digital signal processor (DSP), a microcontroller unit (MCU), a programmable logic device (PLD), or other integrated chips.

[0470] It is understood that the memory in the embodiments of this application can be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory. The non-volatile memory can be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. The volatile memory can be random access memory (RAM), which is used as an external cache. By way of example, but not limitation, many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous linked dynamic random access memory (SLDRAM), and direct rambus RAM (DR RAM). It should be noted that the memory used in the systems and methods described herein is intended to include, but is not limited to, these and any other suitable types of memory.

[0471] This application also provides a computer-readable storage medium storing instructions that, when executed on one or more computing devices, cause the one or more computing devices to perform the cell handover method described in the above embodiments.

[0472] Computer-readable storage media can be non-transitory computer-readable storage media, such as read-only memory (ROM), random access memory (RAM), CD-ROM, magnetic tape, floppy disk, and optical data storage devices.

[0473] This application also provides a computer program product. When executed by one or more computing devices, the computer program product enables the computing devices to perform any of the aforementioned cell handover methods. The computer program product can be a software installation package. When any of the aforementioned cell handover methods needs to be used, the computer program product can be downloaded and executed on a computer.

[0474] This application also provides a processor, including: an input circuit, an output circuit, and a processing circuit. The processing circuit receives signals through the input circuit and transmits signals through the output circuit, causing the processor to execute the cell handover method described in the above embodiments.

[0475] In specific implementation, the processor can be one or more chips, the input circuit can be input pins, the output circuit can be output pins, and the processing circuit can be transistors, gate circuits, flip-flops, and various logic circuits. The input signal received by the input circuit can be received and input by, for example, but not limited to, a receiver, and the signal output by the output circuit can be output to, for example, but not limited to, a transmitter and transmitted by the transmitter. Furthermore, the input circuit and the output circuit can be the same circuit, which is used as the input circuit and the output circuit at different times. This application does not limit the specific implementation of the processor and various circuits.

[0476] This application also provides a chip system including one or more processors for calling and executing instructions stored in a memory, thereby executing the cell handover method described in the above embodiments. The chip system may be composed of a chip or may include chips and other discrete devices. The chip system may include input circuitry or interfaces for transmitting information or data, and output circuitry or interfaces for receiving information or data.

[0477] In the embodiments of this application, the terms and English abbreviations are exemplary examples given for ease of description and should not be construed as limiting the application in any way. This application does not preclude the possibility of defining other terms that can achieve the same or similar functions in existing or future agreements.

[0478] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof. When implemented in software, it can be implemented, in whole or in part, as a computer program product. The computer program product includes one or more computer instructions. When these computer instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of this application are generated.

[0479] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces; the indirect coupling or communication connection between apparatuses or units may be electrical, mechanical, or other forms.

[0480] It should be understood that in the various embodiments of this application, the sequence number of each process does not imply the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this application.

[0481] In summary, the above description is merely a preferred embodiment of the technical solution of this application and is not intended to limit the scope of protection of this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A configuration method, characterized by, include: Receive a first message, the first message being used to indicate the configuration set index table of the reference signal corresponding to the first group and the first configuration set of the reference signal; The configuration set index table of the reference signal includes one or more configuration sets of the reference signal. The one or more configuration sets included in the configuration set index table of the reference signal are obtained by the network device first determining the first group corresponding to the terminal based on the coverage area of ​​the network side to which the terminal belongs, as well as the classification of the terminal's movement speed and anti-interference capability, and then based on the first group. The configuration sets included in the configuration set index table of the reference signal are used to obtain the optimal recommended configuration set after the terminal performs performance evaluation. The first configuration set belongs to the configuration set in the configuration set index table of the reference signal and is used as the configuration currently used by the terminal.

2. The method of claim 1, wherein, Also includes: Send a second message, the second message being used to indicate a second configuration set of the reference signal; The second configuration set belongs to the configuration set in the configuration set index table of the reference signal, and the corresponding wireless communication performance meets the preset requirements. The wireless communication performance corresponding to the second configuration set is obtained by the terminal based on the wireless communication environment status of the terminal.

3. The method according to claim 2, characterized in that, The wireless communication performance corresponding to the second configuration set includes the configuration cost of the second configuration set; The wireless communication performance corresponding to the second configuration set meets the preset requirements, including: the configuration cost of the second configuration set is the minimum value among the configuration costs of one or more configuration sets including the reference signal in the configuration set index table.

4. The method according to claim 3, characterized in that, The configuration cost of the second configuration set is less than or equal to the difference between the configuration cost of the first configuration set of the reference signal and the first threshold.

5. The method according to any one of claims 2 to 4, characterized in that, The second message is also used to indicate at least one of an emergency sign, an emergency level, and a relative timestamp; The relative timestamp is used to indicate the time when the emergency event occurred or the time when the second configuration set was generated.

6. The method according to any one of claims 2 to 4, characterized in that, The second message is also used to indicate at least one of the report type indicated by the second message, the current group of the terminal, and the optimized confidence level; The optimized confidence level is used to update the weights of the first configuration set of the reference signal.

7. The method according to claim 2, characterized in that, The second message is associated with the terminal detecting that the block error rate is greater than a second threshold and / or the signal-to-interference-plus-noise ratio is greater than a third threshold; Alternatively, the second message is associated with the terminal detecting that the intra-group optimization value is greater than a fourth threshold, wherein the intra-group optimization value is positively correlated with the degree of mismatch and / or trend stability of the configuration set in the configuration set index table of the reference signal of the first group corresponding to the terminal, and negatively correlated with the reporting cost; The reporting cost is used to indicate the signaling cost and network burden required for the terminal to report.

8. The method according to claim 2, characterized in that, Also includes: A third message is received, the third message being used to indicate a second configuration set of the reference signal.

9. The method according to claim 1, characterized in that, Also includes: Send a fourth message, the fourth message being used to indicate a third configuration set of the reference signal; Among them, the wireless communication performance corresponding to the third configuration set is optimal within a preset time period.

10. The method according to claim 9, characterized in that, The fourth message is also used to indicate at least one of the report type indicated by the fourth message, the terminal's current group, and the long-term environmental information vector; The long-term environmental information vector is used to indicate the wireless communication environment status of the terminal within a preset time period.

11. The method according to claim 9 or 10, characterized in that, The fourth message is associated with the terminal detecting that the regrouping discrimination value is greater than the fifth threshold; The regrouping discrimination value is positively correlated with the long-term wireless communication environment characteristics of the terminal and the offset of the current group of the terminal, the cumulative average excess of the terminal's block error rate exceeding the threshold within a preset time period, and / or the degree of mismatch of the configuration set in the configuration set index table of the reference signal of the terminal corresponding to the first group, and negatively correlated with the reporting cost. The reporting cost is used to indicate the signaling cost and network burden required for the terminal to report.

12. The method according to claim 9 or 10, characterized in that, Also includes: Receive a fifth message, the fifth message being used to indicate the configuration set index table of the reference signal corresponding to the second group of the terminal; The configuration set index table of the reference signal includes one or more configuration sets of the reference signal, and the one or more configuration sets are adapted to the third configuration set of the reference signal.

13. A configuration method, characterized in that, include: Send a first message, which is used to indicate the configuration set index table of the reference signal corresponding to the first group and the first configuration set of the reference signal; The configuration set index table of the reference signal includes one or more configuration sets of the reference signal. The one or more configuration sets included in the configuration set index table of the reference signal are obtained by the network device first determining the first group corresponding to the terminal based on the coverage area of ​​the network side to which the terminal belongs, as well as the classification of the terminal's movement speed and anti-interference capability, and then based on the first group. The configuration sets included in the configuration set index table of the reference signal are used to obtain the optimal recommended configuration set after the terminal performs performance evaluation. The first configuration set belongs to the configuration set in the configuration set index table of the reference signal and is used as the configuration currently used by the terminal.

14. The method according to claim 13, characterized in that, Also includes: Receive a second message, the second message being used to indicate a second configuration set of the reference signal; The second configuration set belongs to the configuration set in the configuration set index table of the reference signal, and the corresponding wireless communication performance meets the preset requirements. The wireless communication performance corresponding to the second configuration set is obtained by the terminal based on the wireless communication environment status of the terminal.

15. The method according to claim 14, characterized in that, The wireless communication performance corresponding to the second configuration set includes the configuration cost of the second configuration set; The wireless communication performance corresponding to the second configuration set meets the preset requirements, including: the configuration cost of the second configuration set is the minimum value among the configuration costs of one or more configuration sets including the reference signal in the configuration set index table.

16. The method according to claim 15, characterized in that, The configuration cost of the second configuration set is less than or equal to the difference between the configuration cost of the first configuration set of the reference signal and the first threshold.

17. The method according to any one of claims 14 to 16, characterized in that, The second message is also used to indicate at least one of an emergency sign, an emergency level, and a relative timestamp; The relative timestamp is used to indicate the time when the emergency event occurred or the time when the second configuration set was generated.

18. The method according to any one of claims 14 to 16, characterized in that, The second message is also used to indicate at least one of the report type indicated by the second message, the current group of the terminal, and the optimized confidence level; The optimized confidence level is used to update the weights of the first configuration set of the reference signal.

19. The method according to claim 14, characterized in that, The second message is associated with the terminal detecting that the block error rate is greater than a second threshold and / or the signal-to-interference-plus-noise ratio is greater than a third threshold; Alternatively, the second message is associated with the terminal detecting that the intra-group optimization value is greater than a fourth threshold, wherein the intra-group optimization value is positively correlated with the degree of mismatch and / or trend stability of the configuration set in the configuration set index table of the reference signal of the first group corresponding to the terminal, and negatively correlated with the reporting cost; The reporting cost is used to indicate the signaling cost and network burden required for the terminal to report.

20. The method according to claim 14, characterized in that, Also includes: A third message is sent, which indicates a second configuration set of the reference signal.

21. The method according to claim 13, characterized in that, Also includes: Receive a fourth message, the fourth message being used to indicate a third configuration set of the reference signal; Among them, the wireless communication performance corresponding to the third configuration set is optimal within a preset time period.

22. The method according to claim 21, characterized in that, The fourth message is also used to indicate at least one of the report type indicated by the fourth message, the terminal's current group, and the long-term environmental information vector; The long-term environmental information vector is used to indicate the wireless communication environment status of the terminal within a preset time period.

23. The method according to claim 21 or 22, characterized in that, The fourth message is associated with the terminal detecting that the regrouping discrimination value is greater than the fifth threshold; The regrouping discrimination value is positively correlated with the characteristics of the terminal's long-term wireless communication environment and the offset of the terminal's current group, the cumulative average excess of the terminal's block error rate exceeding the threshold within a preset time period, and / or the degree of mismatch of the configuration set in the configuration set index table of the reference signal of the terminal corresponding to the first group, and negatively correlated with the reporting cost. The reporting cost is used to indicate the signaling cost and network burden required for the terminal to report.

24. The method according to claim 21 or 22, characterized in that, Also includes: Send a fifth message, which is used to indicate the configuration set index table of the reference signal corresponding to the second group of the terminal; The configuration set index table of the reference signal includes one or more configuration sets of the reference signal, and the one or more configuration sets are adapted to the third configuration set of the reference signal.

25. A communication device, characterized in that, The communication device includes a processing module and a transceiver module, and is used to perform the method as described in any one of claims 1 to 24.

26. A communication device, characterized in that, include: Memory, used to store computer instructions; A processor for executing a computer program or computer instructions stored in the memory, causing the communication device to perform the method as described in any one of claims 1 to 24.

27. A communication system, characterized in that, Includes the communication device as described in claim 26.

28. A computer storage medium, characterized in that, Used to store a computer program, which, when executed, is used to implement the method as described in any one of claims 1 to 24.

29. A computer program product, characterized in that, Includes a computer program that, when run, causes a computer to perform the method as described in any one of claims 1 to 24.

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