Load analysis method and device, computer equipment and storage medium

Abstract

The invention discloses a load analysis method and device, computer equipment and a storage medium. Belongs to the technical field of mobile communication. The method specifically comprises the following steps: receiving cell load data of a target cell sent by an OAM network manager; receiving access terminal number information of the target cell sent by the target AMF network element; and finally, determining a load analysis result of the target cell based on the cell load data and the number information of the access terminals. In the application, the NWDAF network element can finally realize confirmation of the load analysis result of the target cell by receiving the cell load data of the target cell sent by the OAM network manager and receiving the access terminal number information of the target cell sent by the target AMF network element, thereby not only enriching the functions of the NWDAF network element, but also realizing the landing of a wireless load analysis scheme, and improving the user experience. Therefore, the network optimizes wireless resources based on the load analysis result of the target cell, and the user experience of the target cell is improved.

Description

Technical Field

[0001] This application relates to the field of mobile communication technology, specifically to a load analysis method, apparatus, computer device, and storage medium. Background Technology

[0002] Wireless load analysis for communication cells is an important foundation for intelligent management of communication networks. It helps operators to schedule and manage resources in advance based on network conditions, thereby improving user experience.

[0003] However, there is currently a lack of effective methods and equipment for analyzing the wireless load of communication cells, making it impossible to effectively analyze the wireless load of communication cells. Summary of the Invention

[0004] Therefore, it is necessary to provide a load analysis method, apparatus, computer equipment, and storage medium that can perform load analysis on communication cells, addressing the aforementioned technical problems.

[0005] Firstly, this application provides a load analysis method applied to NWDAF network elements, the method comprising:

[0006] Receive cell load data of the target cell sent by the OAM network management system;

[0007] Receive the number of access terminals in the target cell sent by the target AMF network element;

[0008] Based on cell load data and the number of access terminals, the load analysis results of the target cell are determined.

[0009] In one embodiment, the load analysis results include current load analysis results and predicted load analysis results;

[0010] The current load analysis results include at least one of the following: current PRB utilization and current user density;

[0011] The predicted load analysis results include at least one of the following: PRB utilization prediction trend information and user density prediction trend information.

[0012] In one embodiment, receiving cell load data of the target cell sent by the OAM network management system includes:

[0013] Send a first cell load subscription request to the OAM network management system; the first cell load subscription request carries the cell identifier of the target cell, the first sampling period, the sampling time window, and the cell load index.

[0014] Receive the cell load data corresponding to the cell load index of the target cell sent by the OAM network management system.

[0015] In one embodiment, sending a first cell load subscription request to the OAM network management system includes:

[0016] Receive load analysis service subscription requests sent by the requesting network element; wherein the load analysis service subscription request carries a wireless load analysis identifier, specified area information and period identifier;

[0017] If the information in the designated area points to the target cell, send the first cell load subscription request to the OAM network management system.

[0018] In one embodiment, when the period identifier indicates that a fixed period is used, the first sampling period is the default fixed period.

[0019] In one embodiment, when the period identifier represents a dynamically adjusted period, the load analysis service subscription request also carries a load peak threshold, a load trough threshold, a user density peak threshold, a user density trough threshold, a sampling period adjustment range, and a sampling period adjustment step size. The method further includes:

[0020] If the current PRB utilization rate is higher than the peak load threshold, or the current user density is greater than the peak user density threshold, within the sampling period adjustment range, the first sampling period is shortened according to the sampling period adjustment step size to obtain the second sampling period; and a second cell load subscription request is sent to the OAM network management system; wherein, the second cell load subscription request carries the cell identifier of the target cell, the second sampling period, the sampling time window and the cell load index.

[0021] If the current PRB utilization rate is lower than the load trough threshold, or the current user density is lower than the user density trough threshold, within the sampling period adjustment range, the first sampling period is extended according to the sampling period adjustment step size to obtain the third sampling period; and a third cell load subscription request is sent to the OAM network management system; wherein, the third cell load subscription request carries the cell identifier of the target cell, the third sampling period, the sampling time window, and the cell load index.

[0022] In one embodiment, receiving the number of access terminals in the target cell sent by the target AMF network element includes:

[0023] Receive load analysis service subscription requests sent by network elements;

[0024] Send a network element acquisition request carrying specified area information to the NRF network element so that the NRF network element can determine the AMF network element pointed to by the specified area information based on the specified area information, and feed back the network element identifier of the AMF network element to the NWDAF network element.

[0025] If the network element identifier points to the target AMF network element, send a terminal quantity acquisition subscription request to the target AMF network element;

[0026] Receive the number of access terminals in the target cell sent by the target AMF network element.

[0027] In one embodiment, the required network element is a Network Function (NF) network element or an OAM network management system; after determining the load analysis results of the target cell based on cell load data and access terminal quantity information, the method further includes:

[0028] The load analysis results of the target cell are sent to the network element that requires the data.

[0029] Secondly, this application provides a load analysis device configured in an NWDAF network element, the device comprising:

[0030] The first receiving module is used to receive the cell load data of the target cell sent by the OAM network management system;

[0031] The second receiving module is used to receive the number of access terminals in the target cell sent by the target AMF network element;

[0032] The determination module is used to determine the load analysis results of the target cell based on cell load data and the number of access terminals.

[0033] Thirdly, this application also provides a computer device, which includes a memory and a processor. The memory stores a computer program, and the processor executes the computer program to perform the following steps:

[0034] Receive cell load data of the target cell sent by the OAM network management system;

[0035] Receive the number of access terminals in the target cell sent by the target AMF network element;

[0036] Based on cell load data and the number of access terminals, the load analysis results of the target cell are determined.

[0037] Fourthly, this application also provides a computer-readable storage medium on which a computer program is stored, and which, when executed by a processor, performs the following steps:

[0038] Receive cell load data of the target cell sent by the OAM network management system;

[0039] Receive the number of access terminals in the target cell sent by the target AMF network element;

[0040] Based on cell load data and the number of access terminals, the load analysis results of the target cell are determined.

[0041] Fifthly, this application also provides a computer program product comprising a computer program that, when executed by a processor, performs the following steps:

[0042] Receive cell load data of the target cell sent by the OAM network management system;

[0043] Receive the number of access terminals in the target cell sent by the target AMF network element;

[0044] Based on cell load data and the number of access terminals, the load analysis results of the target cell are determined.

[0045] The aforementioned load analysis method, apparatus, computer equipment, and storage medium are applied to an NWDAF network element. The NWDAF network element receives cell load data of the target cell from the OAM network management system and information on the number of access terminals in the target cell from the target AMF network element. Finally, based on the cell load data and the number of access terminals, it determines the load analysis result of the target cell. In this application, the NWDAF network element can confirm the load analysis result of the target cell by receiving cell load data of the target cell from the OAM network management system and information on the number of access terminals in the target cell from the target AMF network element. This not only enriches the functionality of the NWDAF network element but also implements a wireless load analysis scheme, enabling the network to optimize the allocation of wireless resources in the target cell based on the load analysis results, thereby improving the user experience of the target cell. Attached Figure Description

[0046] Figure 1 This is an application environment diagram of a load analysis method provided in this embodiment;

[0047] Figure 2 This is a flowchart illustrating the first load analysis method provided in this embodiment;

[0048] Figure 3 This is a flowchart illustrating the process of receiving cell load data corresponding to the cell load index of the target cell sent by the OAM network management system in this embodiment.

[0049] Figure 4 This is a schematic diagram of the process of sending a first cell load subscription request to the OAM network management system provided in this embodiment;

[0050] Figure 5 This is a schematic diagram illustrating the process of receiving access terminal quantity information of the target cell sent by the target AMF network element in this embodiment.

[0051] Figure 6 Signaling interaction diagram of a load analysis method provided in this embodiment;

[0052] Figure 7 This is a structural block diagram of a load analysis device provided in this embodiment;

[0053] Figure 8 This is an internal structural diagram of the computer device provided in this embodiment. Detailed Implementation

[0054] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0055] The load analysis method provided in this application can be applied to, for example, Figure 2 In the application environment shown, the NWDAF network element receives cell load data of the target cell from the OAM network management system, and also receives access terminal quantity information of the target cell from the target AMF network element. Based on the cell load data and access terminal quantity information, the NWDAF network element determines the load analysis result of the target cell.

[0056] Among them, the NWDAF (Network Data Analytics Function) network element is currently mainly used to collect and analyze data and provide valuable insights to service providers. It can intelligently determine the status of user service experience and trigger network-side safeguards, thus playing a key role in ensuring user experience and optimizing the network.

[0057] OAM (Operation Administration and Maintenance) network management refers to the division of network management work into three categories based on the actual needs of network operation by operators: Operation, Administration, and Maintenance.

[0058] The AMF (Access and Mobility Management Function) network element is used to perform registration, connection, reachability and mobility management, provide session management message transmission channels for UE and SMF, provide authentication and authorization functions for user access, and is the access point of the core network access control plane for terminals and radio.

[0059] In one embodiment, Figure 2 This is a flowchart illustrating a load analysis method provided in an embodiment of this application, applied to... Figure 1 Taking the NWDAF network element as an example, this method includes the following steps:

[0060] S201, Receives cell load data of the target cell sent by the OAM network management system.

[0061] In this context, OAM (Operation, Maintenance, and Management) refers to network element equipment primarily used for operation, maintenance, and management. A target cell refers to a communication cell requiring radio load analysis; a communication cell refers to a basic coverage area in a cellular mobile communication system, served by one or more base stations (BS). Cell load data refers to load-related data for the communication cell.

[0062] Optionally, in this embodiment, a load data acquisition request carrying the cell identifier information of the target cell is sent to the OAM network management system in advance, so that the OAM network management system can acquire the cell load data of the target cell based on the cell identifier information and receive the cell load data of the target cell sent by the OAM network management system.

[0063] S202, Receive the number of access terminals in the target cell sent by the target AMF network element.

[0064] The target AMF network element refers to the AMF network element of the target cell for load management. The number of access terminals refers to the number of terminals accessing the target cell at the current moment.

[0065] Optionally, in this embodiment, the AMF network element associated with the target cell, i.e., the AMF network element managing the target cell, is predetermined as the target AMF network element. An information acquisition request is sent to the target AMF network element, wherein the information acquisition request carries the cell identifier information of the target cell; and the number of access terminals in the target cell sent by the target AMF network element is received.

[0066] S203, based on cell load data and access terminal quantity information, determine the load analysis results of the target cell.

[0067] The load analysis result refers to the load status analysis result of the target cell obtained by comprehensively analyzing the cell load data and the number of access terminals.

[0068] Optionally, in this embodiment, the load analysis results include current load analysis results and predicted load analysis results. The current load analysis results include at least one of current PRB utilization and current user density; the predicted load analysis results include at least one of PRB utilization prediction trend information and user density prediction trend information.

[0069] As an optional implementation of this application, the NWDAF network element performs comprehensive analysis of cell load data to determine the current PRB (Physical Resource Block) utilization rate and PRB utilization prediction trend information. The NWDAF network element, based on the number of access terminals and the cell range information of the target cell, determines the current user density and user density prediction trend information.

[0070] As another optional implementation of this application, the NWDAF network element inputs cell load data and access terminal quantity information into an intelligent analysis tool, which then determines the load analysis results of the target cell. The intelligent analysis tool can be a trained neural network model.

[0071] The aforementioned load analysis method is applied to an NWDAF network element. The NWDAF network element receives cell load data of the target cell from the OAM network management system and information on the number of access terminals in the target cell from the target AMF network element. Finally, based on the cell load data and the number of access terminals, it determines the load analysis result of the target cell. In this application, the NWDAF network element can confirm the load analysis result of the target cell by receiving cell load data of the target cell from the OAM network management system and information on the number of access terminals in the target cell from the target AMF network element. This not only enriches the functionality of the NWDAF network element but also implements a wireless load analysis scheme, enabling the network to optimize the allocation of wireless resources in the target cell based on the load analysis results, thereby improving the user experience of the target cell.

[0072] In one embodiment, to facilitate the periodic acquisition of cell load data of the target cell and to periodically update the load analysis results of the target cell, such as... Figure 3 As shown, an optional implementation method for receiving cell load data of the target cell sent by the OAM network management system in S201 includes:

[0073] S301 sends the first cell load subscription request to the OAM network management system.

[0074] The first cell load subscription request refers to the NWDAF network element requesting a subscription service to periodically acquire cell load data of a target cell. The first cell load subscription request carries the target cell's cell identifier, the first sampling period, the sampling time window, and cell load metrics. The cell identifier is a unique identifier used to characterize the target cell. The sampling time window refers to the time range for collecting cell load data, including the start and end times; that is, cell load data is periodically collected based on the first sampling period between the start and end times.

[0075] Optionally, in this embodiment, the cell load metrics include at least one of the following: uplink PUSCH (Physical Uplink Shared Channel) PRB occupancy, downlink PDSCH PRB occupancy, uplink PUSCH PRB availability, downlink PDSCH PRB availability, uplink RLC (Radio Link Control) SDU (Service Data Unit) received bytes, downlink RLC SDU transmitted bytes, cell uplink RLC layer transmitted SDU packets, cell downlink RLC layer received SDU packets, and average number of RRC connections.

[0076] S302 receives cell load data corresponding to the cell load index of the target cell sent by the OAM network management system.

[0077] Optionally, in this embodiment, the OAM network management system, under the condition of satisfying the collection time window, periodically collects the cell load data corresponding to the cell load index of the target cell based on the first sampling period, and sends the cell load data corresponding to the cell load index of the target cell to the NWDAF network element after each collection. The system receives the cell load data corresponding to the cell load index of the target cell sent by the OAM network management system.

[0078] In this embodiment, a first cell load subscription request is sent to the OAM network management system. This request carries the target cell's cell identifier, a first sampling period, a sampling time window, and cell load metrics. The system receives cell load data corresponding to the target cell's cell load metrics from the OAM network management system. In this embodiment, by sending the first cell load subscription request to the OAM network management system, the NWDAF network element can periodically acquire cell load data within the sampling time window based on the first sampling period, thereby periodically updating the target cell's load analysis results.

[0079] Based on the above embodiments, in order to optimize the radio resources of the target cell, the demanding network element can subscribe to the load analysis results of the target cell. Based on the load analysis results, a theoretical basis for optimizing the radio resources of the target cell can be provided, such as... Figure 4 As shown, one optional implementation of sending a first cell load subscription request to the OAM network management system includes:

[0080] S401 receives load analysis service subscription requests sent by network elements.

[0081] The load analysis service subscription request includes a wireless load analysis identifier, specified area information, and a period identifier. The period identifier indicates whether a fixed period or a dynamically adjusted period is used.

[0082] S402, when the specified area information points to the target cell, sends the first cell load subscription request to the OAM network management system.

[0083] Optionally, in this embodiment, when the period identifier indicates that a fixed period is used, the first sampling period is a default fixed period, which is used to instruct the OAM network management to collect the cell load data of the target cell based on the default fixed period within the collection time window.

[0084] Optionally, when the period identifier represents a dynamically adjusted period, the load analysis service subscription request also carries the load peak threshold, load trough threshold, user density peak threshold, user density trough threshold, sampling period adjustment range, and sampling period adjustment step size. Based on this, an optional implementation of the load analysis method is as follows: when the current PRB utilization is higher than the load peak threshold, or the current user density is greater than the user density peak threshold, within the sampling period adjustment range, the first sampling period is shortened according to the sampling period adjustment step size to obtain a second sampling period; and a second cell load subscription request is sent to the OAM network management system; wherein, the second cell load subscription request carries the target cell's cell identifier, the second sampling period, the sampling time window, and cell load indicators. In other words, when the current PRB utilization is higher than the load peak threshold, or the current user density is greater than the user density peak threshold, it is necessary to shorten the first sampling period according to the period sampling adjustment step size, and adopt a higher frequency sampling method to collect the target cell's cell load data, so as to optimize the target cell's radio resources in a timely manner and improve the service quality for users within the target cell. When the current PRB utilization is below the load trough threshold, or the current user density is below the user density trough threshold, within the sampling period adjustment range, the first sampling period is extended according to the sampling period adjustment step size to obtain the third sampling period; a third cell load subscription request is then sent to the OAM network management system. This third cell load subscription request carries the target cell's cell identifier, the third sampling period, the sampling time window, and cell load metrics. In other words, when the current PRB utilization is below the load trough threshold, or the current user density is below the user density trough threshold, the first sampling period is extended according to the sampling period adjustment step size, and cell load data of the target cell is collected at a lower frequency. This reduces the network resources consumed in collecting cell load data while still meeting user service quality requirements. It should be noted that if neither of the above two conditions is met—that is, if the current PRB utilization is above the load peak threshold, or the current user density is above the user density peak threshold, and the current PRB utilization is below the load trough threshold, or the current user density is below the user density trough threshold—then the first sampling period is not adjusted. In this embodiment, when the period identifier represents a dynamically adjustable period, NWDAF can dynamically adjust the sampling period based on load analysis results and the aforementioned period adjustment strategy. This achieves timely optimization of radio resources for the target cell during peak periods and reduces network resources consumed by collecting cell load data during off-peak periods. Furthermore, after adjusting the sampling period, a cell load subscription request is promptly sent to the OAM network management system, enabling the OAM network management system to collect cell load data based on the adjusted sampling period, thus achieving timely response.

[0085] Based on the above embodiments, in order to periodically obtain the number of access terminals in the target cell, such as... Figure 5 As shown, an optional implementation method for receiving access terminal quantity information of the target cell sent by the target AMF network element includes:

[0086] S501 receives load analysis service subscription requests sent by network elements.

[0087] S502, send a network element acquisition request carrying specified area information to the NRF network element, so that the NRF network element can determine the AMF network element pointed to by the specified area information based on the specified area information, and feed back the network element identifier of the AMF network element to the NWDAF network element.

[0088] Among them, NRF (Network Repository Function) supports service discovery, receives NF discovery requests from NF instances, provides the NF instances with the information of the discovered NF instances, and maintains NF configuration files of available NF instances and their supported services.

[0089] S503, when the network element identifier points to the target AMF network element, sends a terminal quantity acquisition subscription request to the target AMF network element.

[0090] Optionally, in this embodiment, the terminal quantity acquisition subscription request carries the cell identifier of the target cell.

[0091] Optionally, in this embodiment, the terminal quantity acquisition subscription request also carries a collection period and a collection time window. The collection period can be a first collection period, meaning the collection period for collecting access terminal quantity information is the same as the collection period for collecting cell load data.

[0092] S504 receives the number of access terminals in the target cell sent by the target AMF network element.

[0093] In this embodiment, a load analysis service subscription request is received from the requesting network element. A network element acquisition request carrying specified area information is sent to the NRF network element, enabling the NRF network element to determine the AMF network element pointed to by the specified area information and to return the AMF network element's network element identifier to the NWDAF network element. If the network element identifier points to the target AMF network element, a terminal count acquisition subscription request is sent to the target AMF network element. The access terminal count information of the target cell is received from the target AMF network element. In this embodiment, the target AMF network element associated with the target cell can be queried, and the access terminal count acquisition subscription request can be sent to the target AMF network element to achieve periodic acquisition of access terminal count information.

[0094] In one embodiment, Figure 6As shown, an optional implementation of a load analysis method includes:

[0095] S601, the NWDAF network element receives a load analysis service subscription request sent by the requesting network element. The load analysis service subscription request carries a wireless load analysis identifier, specified area information, and period identifier; the requesting network element is either a network function (NF) network element or an OAM network management system.

[0096] S602, when the designated area information points to the target cell, the NWDAF network element sends a first cell load subscription request to the OAM network management system. This first cell load subscription request carries the target cell's cell identifier, first sampling period, sampling time window, and cell load metrics.

[0097] S603, the NWDAF network element receives the cell load data corresponding to the cell load index of the target cell sent by the OAM network management system.

[0098] S604, the NWDAF network element sends a network element acquisition request carrying specified area information to the NRF network element, so that the NRF network element can determine the AMF network element pointed to by the specified area information based on the specified area information, and feed back the network element identifier of the AMF network element to the NWDAF network element.

[0099] S605, when the network element identifier points to the target AMF network element, the NWDAF network element sends a terminal quantity acquisition subscription request to the target AMF network element.

[0100] S606, the NWDAF network element receives the number of access terminals in the target cell sent by the target AMF network element.

[0101] The S607 NWDAF network element determines the load analysis results of the target cell based on cell load data and the number of access terminals.

[0102] S608, the NWDAF network element sends the load analysis results of the target cell to the requesting network element.

[0103] In this embodiment, when the period identifier represents a dynamically adjusted period, the load analysis service subscription request also carries the load peak threshold, load trough threshold, user density peak threshold, user density trough threshold, sampling period adjustment range, and sampling period adjustment step size. Based on this, this embodiment further includes a step for adjusting the sampling period, as detailed below:

[0104] If the current PRB utilization rate is higher than the peak load threshold, or the current user density is greater than the peak user density threshold, within the sampling period adjustment range, the first sampling period is shortened according to the sampling period adjustment step size to obtain the second sampling period; and a second cell load subscription request is sent to the OAM network management system; wherein, the second cell load subscription request carries the cell identifier of the target cell, the second sampling period, the sampling time window and the cell load index.

[0105] If the current PRB utilization rate is lower than the load trough threshold, or the current user density is lower than the user density trough threshold, within the sampling period adjustment range, the first sampling period is extended according to the sampling period adjustment step size to obtain the third sampling period; and a third cell load subscription request is sent to the OAM network management system; wherein, the third cell load subscription request carries the cell identifier of the target cell, the third sampling period, the sampling time window, and the cell load index.

[0106] The load analysis method in this embodiment is applied to an NWDAF network element. The NWDAF network element receives cell load data of the target cell sent by the OAM network management system and receives access terminal number information of the target cell sent by the target AMF network element. Finally, based on the cell load data and access terminal number information, the load analysis result of the target cell is determined. In this application, the NWDAF network element can confirm the load analysis result of the target cell by receiving cell load data of the target cell sent by the OAM network management system and access terminal number information of the target cell sent by the target AMF network element. This not only enriches the functionality of the NWDAF network element but also realizes the implementation of a wireless load analysis scheme, enabling the network to optimize wireless resources and improve the user experience of the target cell based on the load analysis result of the target cell.

[0107] It should be understood that although the steps in the flowcharts of the above embodiments are shown sequentially according to the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated herein, there is no strict order restriction on the execution of these steps, and they can be executed in other orders. Moreover, at least some steps in the flowcharts of the above embodiments may include multiple steps or multiple stages. These steps or stages are not necessarily completed at the same time, but can be executed at different times. The execution order of these steps or stages is not necessarily sequential, but can be performed alternately or in turn with other steps or at least some of the steps or stages of other steps.

[0108] Based on the same inventive concept, this application also provides a load analysis apparatus for implementing the load analysis method described above. The solution provided by this apparatus is similar to the implementation scheme described in the above method; therefore, the specific limitations in one or more load analysis apparatus embodiments provided below can be found in the limitations of the load analysis method described above, and will not be repeated here.

[0109] In one embodiment, by Figure 7 A structural block diagram of a load analysis device in one embodiment is shown. Figure 7 As shown, a load analysis device 1 is provided, which includes: a first receiving module 10, a second receiving module 20, and a determining module 30, wherein:

[0110] The first receiving module 10 is used to receive the cell load data of the target cell sent by the OAM network management system;

[0111] The second receiving module 20 is used to receive the number of access terminals in the target cell sent by the target AMF network element;

[0112] The determination module 30 is used to determine the load analysis results of the target cell based on the cell load data and the number of access terminals.

[0113] In one embodiment, the load analysis results include current load analysis results and predicted load analysis results;

[0114] The current load analysis results include at least one of the following: current PRB utilization and current user density;

[0115] The predicted load analysis results include at least one of the following: PRB utilization prediction trend information and user density prediction trend information.

[0116] In one embodiment, the first receiving module 10 is further specifically used for:

[0117] Send a first cell load subscription request to the OAM network management system; the first cell load subscription request carries the cell identifier of the target cell, the first sampling period, the sampling time window, and the cell load index.

[0118] Receive the cell load data corresponding to the cell load index of the target cell sent by the OAM network management system.

[0119] In one embodiment, the first receiving module 10 is further specifically used for:

[0120] Receive load analysis service subscription requests sent by the requesting network element; wherein the load analysis service subscription request carries a wireless load analysis identifier, specified area information and period identifier;

[0121] If the information in the designated area points to the target cell, send the first cell load subscription request to the OAM network management system.

[0122] In one embodiment, when the period identifier indicates that a fixed period is used, the first sampling period is the default fixed period.

[0123] In one embodiment, when the period identifier represents a dynamically adjusted period, the load analysis service subscription request also carries a load peak threshold, a load trough threshold, a user density peak threshold, a user density trough threshold, a sampling period adjustment range, and a sampling period adjustment step size. A load analysis device 1 further includes:

[0124] The first sending module is used to shorten the first sampling period to obtain the second sampling period when the current PRB utilization rate is higher than the peak load threshold or the current user density is greater than the peak user density threshold, within the sampling period adjustment range and according to the sampling period adjustment step size; and send a second cell load subscription request to the OAM network management system; wherein the second cell load subscription request carries the cell identifier of the target cell, the second sampling period, the sampling time window and the cell load index.

[0125] The second sending module is used to extend the first sampling period to obtain a third sampling period within the sampling period adjustment range, based on the step size adjustment of the sampling period, when the current PRB utilization rate is lower than the load trough threshold or the current user density is lower than the user density trough threshold; and to send a third cell load subscription request to the OAM network management system; wherein the third cell load subscription request carries the cell identifier of the target cell, the third sampling period, the sampling time window and the cell load index.

[0126] In one embodiment, the upper Figure 7 The second receiving module 20 is also specifically used for:

[0127] Receive load analysis service subscription requests sent by network elements;

[0128] Send a network element acquisition request carrying specified area information to the NRF network element so that the NRF network element can determine the AMF network element pointed to by the specified area information based on the specified area information, and feed back the network element identifier of the AMF network element to the NWDAF network element.

[0129] If the network element identifier points to the target AMF network element, send a terminal quantity acquisition subscription request to the target AMF network element;

[0130] Receive the number of access terminals in the target cell sent by the target AMF network element.

[0131] In one embodiment, a load analysis device 1 further includes:

[0132] The third sending module is used to send the load analysis results of the target cell to the requesting network element.

[0133] Each module in the aforementioned load analysis device can be implemented entirely or partially through software, hardware, or a combination thereof. These modules can be embedded in or independent of the processor in a computer device, or stored in the memory of a computer device as software, so that the processor can call and execute the corresponding operations of each module.

[0134] In one embodiment, a computer device is provided, which may be a platform-side device, and its internal structure diagram may be as follows: Figure 8 As shown, the computer device includes a processor, memory, and a network interface connected via a system bus. The processor provides computing and control capabilities. The memory includes non-volatile storage media and internal memory. The non-volatile storage media stores the operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database stores load analysis information. The network interface communicates with an external user via a network connection. When the computer program is executed by the processor, it implements a load analysis method.

[0135] Those skilled in the art will understand that Figure 8 The structure shown is merely a block diagram of a portion of the structure related to the present application and does not constitute a limitation on the computer device to which the present application is applied. Specifically, the computer device may include more or fewer components than shown in the figure, or combine certain components, or have different component arrangements.

[0136] In one embodiment, a computer device is provided, including a memory and a processor, wherein the memory stores a computer program, and the processor executes the computer program to perform the following steps:

[0137] Receive cell load data of the target cell sent by the OAM network management system;

[0138] Receive the number of access terminals in the target cell sent by the target AMF network element;

[0139] Based on cell load data and the number of access terminals, the load analysis results of the target cell are determined.

[0140] In one embodiment, when the processor executes the computer program, it further performs the following steps: the load analysis results include current load analysis results and predicted load analysis results;

[0141] The current load analysis results include at least one of the following: current PRB utilization and current user density;

[0142] The predicted load analysis results include at least one of the following: PRB utilization prediction trend information and user density prediction trend information.

[0143] In one embodiment, when the processor executes the computer program, it further performs the following steps: receiving cell load data of the target cell sent by the OAM network management system, including:

[0144] Send a first cell load subscription request to the OAM network management system; the first cell load subscription request carries the cell identifier of the target cell, the first sampling period, the sampling time window, and the cell load index.

[0145] Receive the cell load data corresponding to the cell load index of the target cell sent by the OAM network management system.

[0146] In one embodiment, when the processor executes the computer program, it further performs the following steps: sending a first cell load subscription request to the OAM network management system, including:

[0147] Receive load analysis service subscription requests sent by the requesting network element; wherein the load analysis service subscription request carries a wireless load analysis identifier, specified area information and period identifier;

[0148] If the information in the designated area points to the target cell, send the first cell load subscription request to the OAM network management system.

[0149] In one embodiment, when the processor executes the computer program, it further implements the following steps: when the period identifier is characterized as using a fixed period, the first sampling period is a default fixed period.

[0150] In one embodiment, when the processor executes the computer program, it further implements the following steps: When the period identifier represents a dynamically adjusted period, the load analysis service subscription request also carries a load peak threshold, a load trough threshold, a user density peak threshold, a user density trough threshold, a sampling period adjustment range, and a sampling period adjustment step size; the method further includes:

[0151] If the current PRB utilization rate is higher than the peak load threshold, or the current user density is greater than the peak user density threshold, within the sampling period adjustment range, the first sampling period is shortened according to the sampling period adjustment step size to obtain the second sampling period; and a second cell load subscription request is sent to the OAM network management system; wherein, the second cell load subscription request carries the cell identifier of the target cell, the second sampling period, the sampling time window and the cell load index.

[0152] If the current PRB utilization rate is lower than the load trough threshold, or the current user density is lower than the user density trough threshold, within the sampling period adjustment range, the first sampling period is extended according to the sampling period adjustment step size to obtain the third sampling period; and a third cell load subscription request is sent to the OAM network management system; wherein, the third cell load subscription request carries the cell identifier of the target cell, the third sampling period, the sampling time window, and the cell load index.

[0153] In one embodiment, when the processor executes the computer program, it further performs the following steps: receiving access terminal quantity information of the target cell sent by the target AMF network element, including:

[0154] Receive load analysis service subscription requests sent by network elements;

[0155] Send a network element acquisition request carrying specified area information to the NRF network element so that the NRF network element can determine the AMF network element pointed to by the specified area information based on the specified area information, and feed back the network element identifier of the AMF network element to the NWDAF network element.

[0156] If the network element identifier points to the target AMF network element, send a terminal quantity acquisition subscription request to the target AMF network element;

[0157] Receive the number of access terminals in the target cell sent by the target AMF network element.

[0158] In one embodiment, when the processor executes the computer program, it further implements the following steps: the required network element is a Network Function (NF) network element or an OAM network management system; after determining the load analysis results of the target cell based on cell load data and access terminal quantity information, the method further includes:

[0159] The load analysis results of the target cell are sent to the network element that requires the data.

[0160] In one embodiment, a computer-readable storage medium is provided having a computer program stored thereon, which, when executed by a processor, performs the following steps:

[0161] Receive cell load data of the target cell sent by the OAM network management system;

[0162] Receive the number of access terminals in the target cell sent by the target AMF network element;

[0163] Based on cell load data and the number of access terminals, the load analysis results of the target cell are determined.

[0164] In one embodiment, when the computer program is executed by a processor, it further performs the following steps: the load analysis results include current load analysis results and predicted load analysis results;

[0165] The current load analysis results include at least one of the following: current PRB utilization and current user density;

[0166] The predicted load analysis results include at least one of the following: PRB utilization prediction trend information and user density prediction trend information.

[0167] In one embodiment, when the computer program is executed by the processor, it further implements the following steps: receiving cell load data of the target cell sent by the OAM network management system, including:

[0168] Send a first cell load subscription request to the OAM network management system; the first cell load subscription request carries the cell identifier of the target cell, the first sampling period, the sampling time window, and the cell load index.

[0169] Receive the cell load data corresponding to the cell load index of the target cell sent by the OAM network management system.

[0170] In one embodiment, when the computer program is executed by the processor, it further performs the following steps: sending a first cell load subscription request to the OAM network management system, including:

[0171] Receive load analysis service subscription requests sent by the requesting network element; wherein the load analysis service subscription request carries a wireless load analysis identifier, specified area information and period identifier;

[0172] If the information in the designated area points to the target cell, send the first cell load subscription request to the OAM network management system.

[0173] In one embodiment, when the computer program is executed by the processor, it further implements the following steps: when the period identifier is characterized as using a fixed period, the first sampling period is a default fixed period.

[0174] In one embodiment, when the computer program is executed by a processor, it further implements the following steps: When the period identifier represents a dynamically adjusted period, the load analysis service subscription request further carries a load peak threshold, a load trough threshold, a user density peak threshold, a user density trough threshold, a sampling period adjustment range, and a sampling period adjustment step size; the method further includes:

[0175] If the current PRB utilization rate is higher than the peak load threshold, or the current user density is greater than the peak user density threshold, within the sampling period adjustment range, the first sampling period is shortened according to the sampling period adjustment step size to obtain the second sampling period; and a second cell load subscription request is sent to the OAM network management system; wherein, the second cell load subscription request carries the cell identifier of the target cell, the second sampling period, the sampling time window and the cell load index.

[0176] If the current PRB utilization rate is lower than the load trough threshold, or the current user density is lower than the user density trough threshold, within the sampling period adjustment range, the first sampling period is extended according to the sampling period adjustment step size to obtain the third sampling period; and a third cell load subscription request is sent to the OAM network management system; wherein, the third cell load subscription request carries the cell identifier of the target cell, the third sampling period, the sampling time window, and the cell load index.

[0177] In one embodiment, when the computer program is executed by a processor, it further performs the following steps: receiving access terminal quantity information of the target cell sent by the target AMF network element, including:

[0178] Receive load analysis service subscription requests sent by network elements;

[0179] Send a network element acquisition request carrying specified area information to the NRF network element so that the NRF network element can determine the AMF network element pointed to by the specified area information based on the specified area information, and feed back the network element identifier of the AMF network element to the NWDAF network element.

[0180] If the network element identifier points to the target AMF network element, send a terminal quantity acquisition subscription request to the target AMF network element;

[0181] Receive the number of access terminals in the target cell sent by the target AMF network element.

[0182] In one embodiment, when the computer program is executed by a processor, it further implements the following steps: the required network element is a Network Function (NF) network element or an OAM network management system; after determining the load analysis results of the target cell based on cell load data and access terminal quantity information, the method further includes:

[0183] The load analysis results of the target cell are sent to the network element that requires the data.

[0184] In one embodiment, a computer program product is provided, including a computer program that, when executed by a processor, performs the following steps:

[0185] Receive cell load data of the target cell sent by the OAM network management system;

[0186] Receive the number of access terminals in the target cell sent by the target AMF network element;

[0187] Based on cell load data and the number of access terminals, the load analysis results of the target cell are determined.

[0188] In one embodiment, when the computer program is executed by a processor, it further performs the following steps: the load analysis results include current load analysis results and predicted load analysis results;

[0189] The current load analysis results include at least one of the following: current PRB utilization and current user density;

[0190] The predicted load analysis results include at least one of the following: PRB utilization prediction trend information and user density prediction trend information.

[0191] In one embodiment, when the computer program is executed by the processor, it further implements the following steps: receiving cell load data of the target cell sent by the OAM network management system, including:

[0192] Send a first cell load subscription request to the OAM network management system; the first cell load subscription request carries the cell identifier of the target cell, the first sampling period, the sampling time window, and the cell load index.

[0193] Receive the cell load data corresponding to the cell load index of the target cell sent by the OAM network management system.

[0194] In one embodiment, when the computer program is executed by the processor, it further performs the following steps: sending a first cell load subscription request to the OAM network management system, including:

[0195] Receive load analysis service subscription requests sent by the requesting network element; wherein the load analysis service subscription request carries a wireless load analysis identifier, specified area information and period identifier;

[0196] If the information in the designated area points to the target cell, send the first cell load subscription request to the OAM network management system.

[0197] In one embodiment, when the computer program is executed by the processor, it further implements the following steps: when the period identifier is characterized as using a fixed period, the first sampling period is a default fixed period.

[0198] In one embodiment, when the period identifier represents a dynamically adjusted period, the load analysis service subscription request also carries a load peak threshold, a load trough threshold, a user density peak threshold, a user density trough threshold, a sampling period adjustment range, and a sampling period adjustment step size. The method further includes:

[0199] If the current PRB utilization rate is higher than the peak load threshold, or the current user density is greater than the peak user density threshold, within the sampling period adjustment range, the first sampling period is shortened according to the sampling period adjustment step size to obtain the second sampling period; and a second cell load subscription request is sent to the OAM network management system; wherein, the second cell load subscription request carries the cell identifier of the target cell, the second sampling period, the sampling time window and the cell load index.

[0200] If the current PRB utilization rate is lower than the load trough threshold, or the current user density is lower than the user density trough threshold, within the sampling period adjustment range, the first sampling period is extended according to the sampling period adjustment step size to obtain the third sampling period; and a third cell load subscription request is sent to the OAM network management system; wherein, the third cell load subscription request carries the cell identifier of the target cell, the third sampling period, the sampling time window, and the cell load index.

[0201] In one embodiment, when the computer program is executed by a processor, it further performs the following steps: receiving access terminal quantity information of the target cell sent by the target AMF network element, including:

[0202] Receive load analysis service subscription requests sent by network elements;

[0203] Send a network element acquisition request carrying specified area information to the NRF network element so that the NRF network element can determine the AMF network element pointed to by the specified area information based on the specified area information, and feed back the network element identifier of the AMF network element to the NWDAF network element.

[0204] If the network element identifier points to the target AMF network element, send a terminal quantity acquisition subscription request to the target AMF network element;

[0205] Receive the number of access terminals in the target cell sent by the target AMF network element.

[0206] In one embodiment, when the computer program is executed by a processor, it further implements the following steps: the required network element is a Network Function (NF) network element or an OAM network management system; after determining the load analysis results of the target cell based on cell load data and access terminal quantity information, the method further includes:

[0207] The load analysis results of the target cell are sent to the network element that requires the data.

[0208] Those skilled in the art will understand that all or part of the processes in the methods of the above embodiments can be implemented by a computer program instructing related hardware. The computer program can be stored in a non-volatile computer-readable storage medium. When executed, the computer program can include the processes of the embodiments of the above methods. Any references to memory, databases, or other media used in the embodiments provided in this application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetic random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM). The databases involved in the embodiments provided in this application may include at least one type of relational database and non-relational database. Non-relational databases may include, but are not limited to, blockchain-based distributed databases. The processors involved in the embodiments provided in this application may be general-purpose processors, central processing units, graphics processing units, digital signal processors, programmable logic devices, quantum computing-based data processing logic devices, etc., and are not limited to these. The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as the combinations of these technical features are not contradictory, they should be considered within the scope of this specification.

[0209] The above embodiments are merely illustrative of several implementation methods of this application, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this application should be determined by the appended claims.

Claims

1. A load analysis method, characterized in that, The method, applied to the NWDAF network element for network data analysis, includes: Receive cell load data of the target cell sent by the Operation, Maintenance and Management (OAM) network management system; Receive the number of access terminals in the target cell sent by the target access and mobility management function (AMF) network element; Based on the cell load data and the number of access terminals, the load analysis results of the target cell are determined.

2. The method according to claim 1, characterized in that, The load analysis results include current load analysis results and predicted load analysis results; The current load analysis results include at least one of the current physical resource module (PRB) utilization rate and current user density. The predicted load analysis results include at least one of the following: PRB utilization prediction trend information and user density prediction trend information.

3. The method according to claim 1, characterized in that, The receiving of cell load data of the target cell sent by the Operation, Maintenance and Management (OAM) network management system includes: Send a first cell load subscription request to the OAM network management system; wherein the first cell load subscription request carries the cell identifier of the target cell, the first sampling period, the sampling time window and the cell load index; Receive the cell load data corresponding to the cell load index of the target cell sent by the OAM network management system.

4. The method according to claim 3, characterized in that, Sending the first cell load subscription request to the OAM network management system includes: Receive a load analysis service subscription request sent by a requesting network element; wherein the load analysis service subscription request carries a wireless load analysis identifier, a specified area information and a period identifier; If the specified area information points to the target cell, a first cell load subscription request is sent to the OAM network management system.

5. The method according to claim 4, characterized in that, When the period identifier indicates that a fixed period is used, the first sampling period is the default fixed period.

6. The method according to claim 4, characterized in that, When the period identifier represents a dynamic adjustment period, the load analysis service subscription request also carries a load peak threshold, a load trough threshold, a user density peak threshold, a user density trough threshold, a sampling period adjustment range, and a sampling period adjustment step size. The method further includes: If the current PRB utilization rate is higher than the peak load threshold, or the current user density is greater than the peak user density threshold, within the range of the sampling period adjustment, the first sampling period is shortened according to the step size of the sampling period adjustment to obtain a second sampling period; and a second cell load subscription request is sent to the OAM network management system; wherein, the second cell load subscription request carries the cell identifier of the target cell, the second sampling period, the sampling time window, and the cell load index; When the current PRB utilization rate is lower than the load trough threshold, or the current user density is lower than the user density trough threshold, within the range of the sampling period adjustment, the first sampling period is extended according to the step size of the sampling period adjustment to obtain a third sampling period; and a third cell load subscription request is sent to the OAM network management system; wherein, the third cell load subscription request carries the cell identifier of the target cell, the third sampling period, the sampling time window, and the cell load index.

7. The method according to claim 4, characterized in that, The information on the number of access terminals in the target cell sent by the target access and mobility management function (AMF) network element includes: Receive the load analysis service subscription request sent by the requesting network element; Send a network element acquisition request carrying the specified area information to the Network Repository Function (NRF) network element, so that the NRF network element can determine the AMF network element pointed to by the specified area information based on the specified area information, and feed back the network element identifier of the AMF network element to the NWDAF network element; If the network element identifier points to the target AMF network element, a terminal quantity acquisition subscription request is sent to the target AMF network element; Receive the number of access terminals in the target cell sent by the target AMF network element.

8. The method according to claim 7, characterized in that, The required network element is a Network Function (NF) network element or an OAM network management system; after determining the load analysis results of the target cell based on the cell load data and the number of access terminals, the method further includes: The load analysis results of the target cell are sent to the network element that requires the data.

9. A load analysis device, characterized in that, Configured in an NWDAF network element, the device includes: The first receiving module is used to receive the cell load data of the target cell sent by the OAM network management system; The second receiving module is used to receive the number of access terminals in the target cell sent by the target AMF network element; The determination module is used to determine the load analysis result of the target cell based on the cell load data and the number of access terminals.

10. A computer device comprising a memory and a processor, wherein the memory stores a computer program, characterized in that, When the processor executes the computer program, it implements the steps of the method according to any one of claims 1 to 8.

11. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it implements the steps of the method according to any one of claims 1 to 8.

12. A computer program product, comprising a computer program, characterized in that, When the computer program is executed by a processor, it implements the steps of the method according to any one of claims 1 to 8.

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