Network resource management method and device for dynamic spectrum sharing

Abstract

The invention relates to the technical field of spectrum dynamic management, in particular to a network resource management method and device for dynamic spectrum sharing. The method comprises the steps of S1, data acquisition, S2, data analysis, S3, calculation of a priority allocation resource proportion, S4, presetting of allocation resources, S5, dynamic allocation of network resources, S6, real-time monitoring of resource allocation, S7, optimization of resource allocation and S8, reallocation of network resources. The device comprises an acquisition module, an analysis module, a priority allocation calculation module, a preset module, a dynamic allocation module, a monitoring module, an optimization module and a reallocation module, and dynamically adjusts network resources in combination with real-time network resource demand changes on the premise of meeting resource allocation of each basic demand layer, so that the resource allocation efficiency is improved. Therefore, full utilization of network resources and improvement of user service quality are ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of dynamic spectrum management, and in particular to a network resource management method and device for dynamic spectrum sharing. Background Art

[0002] Dynamic spectrum sharing (DSS) technology is a technology that can support 4G LTE and 5G NR simultaneously on the same frequency band. It can dynamically adjust the spectrum allocation ratio of 4G and 5G according to network traffic and user needs. By comparing and measuring the interfered and non-interfered time-frequency resources, it can dynamically and finely schedule time-frequency resources based on rate or dynamic frequency domain scheduling to optimize network resource utilization.

[0003] In order to allocate resources more reasonably, DSS supports the configuration of the priority resource allocation ratio. The priority resource allocation ratio configured for a certain standard represents the proportion of shared spectrum resources occupied by the standard. For example, setting the priority resource allocation ratio of a certain standard in LTE or NR to greater than 50% means that the standard has a higher priority in using spectrum resources; setting the priority resource allocation ratio of both LTE and NR to 50% means that the two standards use spectrum resources fairly. When the actual business volume demand of the two standards is less than or greater than the configured priority resource ratio, the two standards still allocate resources according to the configured priority resource ratio; when the actual business volume demand of one of the standards is greater than the configured priority resource ratio, and the actual business volume demand of the other standard is less than the configured priority resource ratio, the spectrum resources not occupied by the latter can be used by the former.

[0004] When the priority resource allocation ratio is set to a fixed value, this may lead to inflexible resource allocation in certain specific scenarios. For example, if the number of 5G NR users suddenly increases, while the number of LTE users is relatively small, but LTE still occupies a large amount of spectrum resources, and the unoccupied spectrum resources do not increase accordingly, this will lead to a decrease in the service quality of 5G NR users. To this end, it is necessary to propose a network resource management method and device for dynamic spectrum sharing, which can realize dynamic adjustment of the priority resource allocation ratio under the premise of dynamic network resource allocation. Summary of the invention

[0005] To solve the above problems, the present invention provides a network resource management method and device for dynamic spectrum sharing, which dynamically adjusts network resources based on the premise of satisfying resource allocation at each basic demand layer and combining with real-time changes in network resource demand, thereby ensuring full utilization of network resources and improving user service quality.

[0006] In order to achieve the above object, the technical solution of the present invention is as follows: A network resource management method for dynamic spectrum sharing, comprising the following steps:

[0007] S1, data collection: using geographic information system technology, combined with census data and base station location information, to obtain population and base station distribution data in the target network resource management area, and to collect the acceptance of NR and LTE in urban and rural areas of the target network resource management area;

[0008] S2, data analysis: by analyzing the collected data, we can obtain the land area, population proportion and base station distribution data of urban and rural areas respectively;

[0009] S3, calculation of the priority resource allocation ratio: based on the urban and rural area, population ratio and base station distribution data of the target network resource management area, the priority resource allocation ratio of NR and LTE is calculated and set;

[0010] S4, preset allocation of resources: the shared spectrum is divided into four levels, including NR basic demand layer, NR dynamic allocation layer, LTE basic demand layer and LTE dynamic allocation layer, and the resource allocation ratio of each level is calculated according to the priority allocation ratio of NR and LTE;

[0011] S5, dynamic allocation of network resources: In the actual operation process, based on the premise of meeting the resource allocation of each basic demand layer, combined with the real-time changes in network resource demand, the network resources are dynamically adjusted in the dynamic allocation layer of NR and LTE according to the priority allocation ratio of NR and LTE;

[0012] S6, real-time monitoring of resource allocation: During the resource allocation process, population movement trajectory data is first collected, and then the actual resource allocation of NR and LTE is collected;

[0013] S7, optimization of resource allocation: through population movement trajectories, characteristic population movement traces are drawn, and combined with the actual resource usage of NR and LTE, the target network resource management area is divided into low-demand area, medium-demand area and high-demand area, and the signal base stations in the corresponding areas are marked;

[0014] S8, reallocation of network resources: Compare the actual NR resource allocation ratio with the NR preset priority resource allocation ratio, calculate the NR expected difference, and then adjust the NR priority resource allocation ratio and LTE priority resource allocation ratio according to the NR expected difference, and reallocate network resources in combination with the marked low-demand area, medium-demand area and high-demand area base stations.

[0015] Furthermore, in S3, the urban population concentration index and the rural population concentration index are calculated by considering the concentration of urban and rural populations respectively, and the calculation is performed by the following formula:

[0016]

[0017] Where PAI c is the urban population concentration index, and PAI r is the rural population concentration index, P pc is the population of the city, and P pr is the rural population, P pt is the total population of the target network resource management area, A c is the urban area, A r is the rural area, and γ is the population distribution adjustment coefficient, which is used to emphasize the weight of population density for network resource management.

[0018] Furthermore, in S3, according to the distribution of urban and rural base stations, the resource allocation pressure index of urban and rural base stations is analyzed respectively, and calculated by the following formula:

[0019]

[0020] In the formula, API c Allocate pressure index for urban base station resources, API r is the rural base station resource allocation pressure index, N c is the number of base stations in the city, N r is the number of rural base stations, N t is the total number of base stations, and δ is the base station allocation adjustment coefficient, which is used to emphasize the weight of the population served by each base station.

[0021] Furthermore, in S3, considering the different acceptance of NR and LTE by rural and urban populations, the priority allocation ratio of NR and LTE resources is calculated by the following formula:

[0022]

[0023] In the formula, R NR is the priority allocation resource ratio of NR, R LTE The priority resource allocation ratio for LTE, The acceptance of NR and LTE by urban populations, The acceptance of NR and LTE by rural population respectively.

[0024] Furthermore, in S4, R NR As the allocation ratio of the NR basic demand layer, R LTE As the allocation ratio of the LTE basic demand layer, the allocation ratio of the NR dynamic allocation layer and the LTE dynamic allocation layer is calculated by the following formula:

[0025]

[0026] Where, RDNR The allocation ratio of the NR dynamic allocation layer, RD LTE Allocation ratio for LTE dynamic allocation layer.

[0027] Further, in S6, the actual resource allocation situation includes a change curve of the actual resource allocation over time, and a time node of a change inflection point in the change curve, wherein the change inflection point includes a node of changing from decrease to increase and a node of changing from increase to decrease.

[0028] Further, in S7, according to the population mobility trajectory data, when the destinations of several population mobility trajectories overlap and the total number of population mobility trajectories arriving at the destination exceeds 5% of the total number of population mobility trajectories, the sum of the NR resource allocation ratio and the LTE resource allocation ratio in the area exceeds 5%, then the signal base station in the area is marked as a signal base station in a high-demand area; when the sum of the NR resource allocation ratio and the LTE resource allocation ratio in the area is less than 0.1%, then the signal base station in the area is marked as a signal base station in a low-demand area; when the sum of the NR resource allocation ratio and the LTE resource allocation ratio in the area is 0.1-5%, then the signal base station in the area is marked as a signal base station in a medium-demand area.

[0029] Further, in S8, when the time node of changing from increase to decrease is reached, the focus of network resource allocation is shifted from network resources in high-demand areas to medium-demand areas, that is, the priority resource allocation ratio in medium-demand areas is increased, and the priority resource allocation ratio in high-demand areas is reduced;

[0030] When the time node for changing from reduction to increase is reached, the focus of network resource allocation in medium-demand areas will be shifted to high-demand areas, that is, the priority resource allocation ratio in medium-demand areas will be reduced, and the priority resource allocation ratio in high-demand areas will be increased.

[0031] Further, in S8, after calculating the NR expected difference, the NR priority resource allocation ratio and the LTE priority resource allocation ratio are adjusted by the following formula:

[0032]

[0033] In the formula, is the expected difference of NR, is the adjusted NR priority resource allocation ratio, It is the adjusted LTE priority resource allocation ratio.

[0034] A network resource management device for dynamic spectrum sharing, based on the above-mentioned network resource management method for dynamic spectrum sharing, comprises:

[0035] A collection module is used to use geographic information system technology, combined with census data and base station location information, to obtain population and base station distribution data in the target network resource management area, and to collect the acceptance of NR and LTE in urban and rural areas of the target network resource management area;

[0036] The analysis module is used to analyze the collected data to obtain the land area, population ratio and base station distribution data of urban and rural areas respectively;

[0037] The priority allocation calculation module is used to calculate and set the priority allocation resource ratio of NR and LTE according to the urban and rural areas, population ratio and base station distribution data of the target network resource management area;

[0038] A preset module is used to divide the shared spectrum into four levels, including the NR basic demand layer, the NR dynamic allocation layer, the LTE basic demand layer and the LTE dynamic allocation layer, and calculate the resource allocation ratio of each level according to the priority allocation resource ratio of NR and LTE;

[0039] The dynamic allocation module is used to dynamically adjust network resources in the dynamic allocation layer of NR and LTE according to the priority allocation ratio of NR and LTE in the actual operation process, based on the premise of meeting the resource allocation of each basic demand layer, combined with the real-time changes in network resource demand;

[0040] The monitoring module is used to collect population movement trajectory data and then collect the actual resource allocation of NR and LTE during the resource allocation process;

[0041] The optimization module is used to draw characteristic population movement traces through population movement trajectories, and divide the target network resource management area into low-demand areas, medium-demand areas, and high-demand areas based on the actual resource usage of NR and LTE, and mark the signal base stations in the corresponding areas;

[0042] The reallocation module is used to compare the actual NR resource allocation ratio with the NR preset priority resource allocation ratio, calculate the NR expected difference, and then adjust the NR priority resource allocation ratio and the LTE priority resource allocation ratio according to the NR expected difference, and reallocate network resources in combination with the marked low-demand area, medium-demand area and high-demand area base stations.

[0043] The adoption of the scheme has the following beneficial effects:

[0044] 1. Under the premise of dynamic network resource allocation, this solution can also realize dynamic adjustment of the priority allocation ratio of resources. Traditional network resource allocation is often based on a fixed priority allocation ratio, which may lead to inflexible resource allocation in certain specific scenarios. However, this solution can dynamically adjust the priority allocation ratio of NR and LTE by real-time monitoring of the actual use of network resources and combining factors such as population movement trajectory and changes in network resource demand, ensuring that network resources can more efficiently and flexibly meet the needs of different users and technologies, thereby improving network resource utilization and user satisfaction.

[0045] 2. The solution divides the dynamic spectrum into four levels to ensure user service quality. It also specially designs a level for dynamic network resource allocation. Through the four-level division, the resource allocation ratio of each level can be calculated according to the priority resource allocation ratio of NR and LTE. The refined resource allocation strategy ensures that the needs of different technologies and users are met, and also helps to improve the overall efficiency and reliability of the network.

[0046] 3. As the network needs of rural residents are different from those of urban residents, this solution takes into account the difference in population density index between urban and rural areas. By calculating the population density index of urban and rural areas, we can more accurately understand the network needs of different regions, adjust the priority allocation of network resources according to the different network needs of different regions, and help optimize communication network planning, ensuring that the differences in population distribution can be fully considered when allocating network resources, so as to provide network services that better meet actual needs.

[0047] 4. In addition to the population density index, the solution also takes into account the difference in the pressure index of urban and rural base station resource allocation. By analyzing factors such as the number, distribution, and service population of urban and rural base stations, the pressure index of base station resource allocation in different regions can be calculated, which helps to pay more attention to the service capacity and pressure of base stations when allocating network resources, thereby ensuring the reasonable allocation and effective utilization of network resources, as well as the stability of network resource allocation.

[0048] 5. Due to the differences in economic ability, information needs and concepts among individuals, there are also differences in the acceptance of NR and LTE between rural and urban populations. This plan takes this difference into consideration and collects data on the acceptance of NR and LTE in urban and rural areas of the target network resource management area through questionnaire surveys and user interviews. These data provide an important basis for calculating the priority resource allocation ratio of NR and LTE, which helps to ensure that network resource allocation is more in line with users' actual needs and usage habits, and increases the scientificity and rationality of the resource priority allocation ratio.

[0049] 6. The solution also dynamically controls network resources according to time nodes. By real-time monitoring of the actual use of network resources and combining factors such as population movement trajectories and changes in network resource demand, it can predict the demand for network resources in the future. When the time node changes from increase to decrease or from decrease to increase is reached, the network resource allocation strategy is adjusted in time to ensure that network resources can meet user needs in different time periods, which helps to improve the utilization and response speed of network resources.

[0050] 7. With the popularization and development of 5G NR, the proportion of NR resource allocation will increase. By real-time detection and calculation of NR expected difference, network resource management allocation can be redistributed and updated to ensure that the development trend and popularity of 5G NR are fully considered when allocating network resources, thereby ensuring that network resources can more efficiently and flexibly support the development and application of 5G technology. At the same time, this mechanism also helps to improve the sustainability and scalability of network resources, laying a solid foundation for future network development.

[0051] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 A schematic diagram of an embodiment of a network resource management method for dynamic spectrum sharing according to the present invention;

[0053] Figure 2 A hierarchical schematic diagram of a shared spectrum in an embodiment of a network resource management method for dynamic spectrum sharing of the present invention;

[0054] Figure 3 It is a schematic diagram of the operation of an embodiment of a network resource management device for dynamic spectrum sharing according to the present invention. DETAILED DESCRIPTION

[0055] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0056] The following is further described in detail through specific implementation methods:

[0057] Embodiment 1:

[0058] As attached Figure 1 As shown: A network resource management method for dynamic spectrum sharing, comprising the following steps:

[0059] S1. Data collection: Utilize geographic information system technology, combined with detailed census data and precise base station location information, to comprehensively and accurately obtain the population distribution and base station distribution in the target network resource management area, present the census data in a spatial manner, form an intuitive population density distribution map, and draw the distribution of each base station, including key parameters such as the coverage range and signal strength of each base station, which helps to understand whether the current network resource layout is reasonable, whether there are blind spots or overlapping coverage, and collect the acceptance of NR and LTE in urban and rural areas of the target network resource management area through various means, such as questionnaire surveys, user interviews, and network traffic analysis. represents the acceptance of NR by urban population, Indicates the acceptance of LTE by urban population, Indicates the acceptance of NR by the rural population, represents the acceptance of NR by rural population, where

[0060] S2, data analysis: By analyzing the collected data, the urban and rural area, population ratio and base station distribution data are obtained respectively.

[0061] S3, calculation of the priority resource allocation ratio: based on the urban and rural area, population ratio and base station distribution data of the target network resource management area.

[0062] First, the urban population concentration index and rural population concentration index are calculated by considering the concentration degree of urban and rural populations respectively, and the calculation is performed by the following formula:

[0063]

[0064] Where PAI c is the urban population concentration index, and PAI r is the rural population concentration index, P pc is the population of the city, and P pr is the rural population, P pt is the total population of the target network resource management area, A c is the urban area, A r is the rural area, γ is the population allocation adjustment coefficient, which is used to emphasize the weight of population density for network resource management. The specific value of γ needs to be determined according to the specific development situation of the target network resource management area.

[0065] By calculating the urban and rural population concentration index, it provides an important reference for communication network planning. In areas with high urban population concentration, it is necessary to increase the number of base stations and optimize network coverage to meet the needs of high-density populations for communication networks. In areas with low rural population concentration, it is necessary to reasonably layout base stations according to actual needs to avoid wasting resources. At the same time, these indexes can also be used to evaluate the impact of social phenomena such as population migration and urbanization on the layout of communication networks, providing a scientific basis for future network planning and optimization.

[0066] Then, according to the distribution of urban and rural base stations, the resource allocation pressure index of urban and rural base stations is analyzed respectively and calculated by the following formula:

[0067]

[0068] In the formula, API c Allocate pressure index for urban base station resources, API r is the rural base station resource allocation pressure index, N c is the number of base stations in the city, N r is the number of rural base stations, N t is the total number of base stations, and δ is the base station allocation adjustment coefficient, which is used to emphasize the weight of the population served by each base station. In urban areas, due to the dense population, each base station may serve more users, so this coefficient is usually greater than 1 to reflect the higher resource allocation pressure. The specific value needs to be determined according to the specific development conditions of the target network resource management area (such as population density, economic development level, network usage habits, etc.).

[0069] Finally, considering the different acceptance of NR and LTE by rural and urban populations, the priority allocation ratio of NR and LTE is calculated by the following formula:

[0070]

[0071] In the formula, R NR is the priority allocation resource ratio of NR, R LTE The priority resource allocation ratio for LTE.

[0072] S4, preset allocation of resources: and divides the shared spectrum into four levels, such as Figure 2As shown, the shared spectrum includes the NR basic demand layer (used to meet the basic operation requirements of the NR network, including maintaining the basic connection of the network, providing the necessary service quality, etc., and its resource allocation ratio should be determined according to the priority allocation resource ratio of NR and the basic requirements of the NR network. Usually, this ratio will remain relatively stable to ensure that the basic functions of the NR network are not affected), the NR dynamic allocation layer (after meeting the NR basic requirements, the remaining NR resources will be allocated to the dynamic allocation layer. This layer is mainly used to cope with changes in network traffic and provide additional capacity to meet user needs during peak hours.), the LTE basic demand layer and the LTE dynamic allocation layer. The resource allocation ratio of each layer is calculated according to the priority allocation resource ratio of NR and LTE. Before dynamically allocating network resources, it is necessary to first ensure that the resource allocation of each basic demand layer has been met, which means that the resources required by the NR basic demand layer and the LTE basic demand layer have been allocated in priority to ensure that the basic operation and service quality of the network are not affected.

[0073] R NR As the allocation ratio of the NR basic demand layer, R LTE As the allocation ratio of the LTE basic demand layer, the allocation ratio of the NR dynamic allocation layer and the LTE dynamic allocation layer is calculated by the following formula:

[0074]

[0075] Where, RD NR is the allocation ratio of the NR dynamic allocation layer, RD LTE Allocation ratio for LTE dynamic allocation layer.

[0076] S5, Dynamic allocation of network resources: In the actual operation process, based on the premise of meeting the resource allocation of each basic demand layer, combined with the real-time changes in network resource demand, the network resources are dynamically adjusted in the dynamic allocation layer of NR and LTE according to the priority allocation resource ratio of NR and LTE. According to the priority allocation resource ratio of NR and LTE, and the current available resources in each dynamic allocation layer, the resource allocation between the two technologies is automatically or semi-automatically adjusted. For example, when the traffic demand of the NR network suddenly increases, the dynamic adjustment mechanism can quickly allocate part of the resources from the LTE dynamic allocation layer to the NR network to meet its capacity demand during peak hours.

[0077] S6, real-time monitoring of resource allocation: In the process of resource allocation, first collect population movement trajectory data through mobile phone positioning, social media activities, public transportation records and other channels, and then collect the actual resource allocation of NR and LTE. The actual resource allocation includes the change curve of the actual resource allocation over time, and the time node of the change inflection point in the change curve. The change inflection point includes the node from decrease to increase and the node from increase to decrease. By monitoring these change curves, operators can timely discover the bottleneck and overload of network resources and take necessary adjustment measures.

[0078] S7, optimization of resource allocation: Through population movement trajectories, characteristic population movement traces are drawn, and combined with the actual resource usage of NR and LTE, the target network resource management area is divided into low-demand area, medium-demand area and high-demand area, and the signal base stations in the corresponding areas are marked.

[0079] According to the population mobility trajectory data, when the destinations of several population mobility trajectories overlap and the total number of population mobility trajectories arriving at the destination exceeds 5% of the total number of population mobility trajectories, the sum of the NR resource allocation ratio and the LTE resource allocation ratio in the area exceeds 5%, then the signal base station in the area is marked as a signal base station in a high-demand area; when the sum of the NR resource allocation ratio and the LTE resource allocation ratio in the area is less than 0.1%, then the signal base station in the area is marked as a signal base station in a low-demand area; when the sum of the NR resource allocation ratio and the LTE resource allocation ratio in the area is 0.1-5%, then the signal base station in the area is marked as a signal base station in a medium-demand area.

[0080] S8, reallocation of network resources: Compare the actual NR resource allocation ratio with the NR preset priority resource allocation ratio, and calculate the NR expected difference respectively In the formula, R * The actual resource allocation ratio detected.

[0081] After calculating the NR expected difference, adjust the NR priority resource allocation ratio and the LTE priority resource allocation ratio using the following formula:

[0082]

[0083] In the formula, is the expected difference of NR, is the adjusted NR priority resource allocation ratio, It is the adjusted LTE priority resource allocation ratio.

[0084] Embodiment 2:

[0085] A network resource management device for dynamic spectrum sharing, which operates based on the network resource management method for dynamic spectrum sharing described in Example 1, includes a collection module, an analysis module, a priority allocation calculation module, a preset module, a dynamic allocation module, a monitoring module, an optimization module and a reallocation module.

[0086] The collection module uses geographic information system technology, combined with census data and base station location information, to obtain population and base station distribution data in the target network resource management area, and collects the acceptance of NR and LTE in urban and rural areas of the target network resource management area.

[0087] The analysis module calculates the area, population ratio and base station distribution data of urban and rural areas by analyzing the collected data.

[0088] The priority allocation calculation module calculates and sets the priority allocation resource ratio of NR and LTE based on the urban and rural area, population ratio and base station distribution data in the target network resource management area.

[0089] The preset module divides the shared spectrum into four levels, including the NR basic demand layer, the NR dynamic allocation layer, the LTE basic demand layer and the LTE dynamic allocation layer, and calculates the resource allocation ratio of each level according to the priority allocation resource ratio of NR and LTE.

[0090] In actual operation, the dynamic allocation module takes the allocation of resources at each basic demand layer as a prerequisite, combines the real-time changes in network resource demand, and dynamically adjusts network resources in the dynamic allocation layer of NR and LTE according to the priority allocation ratio of NR and LTE.

[0091] During the resource allocation process, the monitoring module first collects population movement trajectory data and then collects the actual resource allocation status of NR and LTE.

[0092] The optimization module draws characteristic population movement traces through population movement trajectories, and combines the actual resource usage of NR and LTE to divide the target network resource management area into low-demand areas, medium-demand areas, and high-demand areas, and marks the signal base stations in the corresponding areas.

[0093] The reallocation module compares the actual NR resource allocation ratio with the NR preset priority resource allocation ratio, calculates the NR expected difference, and then adjusts the NR priority resource allocation ratio and LTE priority resource allocation ratio according to the NR expected difference, and reallocates network resources in combination with the marked low-demand area, medium-demand area and high-demand area base stations.

[0094] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A network resource management method for dynamic spectrum sharing, characterized in that: The following steps are involved: S1, data collection: using geographic information system technology, combined with census data and base station location information, to obtain population and base station distribution data in the target network resource management area, and to collect the acceptance of NR and LTE in urban and rural areas of the target network resource management area; S2, data analysis: by analyzing the collected data, we can obtain the land area, population proportion and base station distribution data of urban and rural areas respectively; S3, calculation of the priority resource allocation ratio: based on the urban and rural area, population ratio and base station distribution data of the target network resource management area, the priority resource allocation ratio of NR and LTE is calculated and set; S4, preset allocation of resources: the shared spectrum is divided into four levels, including NR basic demand layer, NR dynamic allocation layer, LTE basic demand layer and LTE dynamic allocation layer, and the resource allocation ratio of each level is calculated according to the priority allocation ratio of NR and LTE; S5, dynamic allocation of network resources: In the actual operation process, based on the premise of meeting the resource allocation of each basic demand layer, combined with the real-time changes in network resource demand, the network resources are dynamically adjusted in the dynamic allocation layer of NR and LTE according to the priority allocation ratio of NR and LTE; S6, real-time monitoring of resource allocation: During the resource allocation process, first collect population movement trajectory data, and then collect the actual resource allocation of NR and LTE; S7, optimization of resource allocation: through population movement trajectories, characteristic population movement traces are drawn, and combined with the actual resource usage of NR and LTE, the target network resource management area is divided into low-demand area, medium-demand area and high-demand area, and the signal base stations in the corresponding areas are marked; S8, reallocation of network resources: Compare the actual NR resource allocation ratio with the NR preset priority resource allocation ratio, calculate the NR expected difference, and then adjust the NR priority resource allocation ratio and LTE priority resource allocation ratio according to the NR expected difference, and reallocate network resources in combination with the marked low-demand area, medium-demand area and high-demand area base stations.

2. The network resource management method for dynamic spectrum sharing according to claim 1, characterized in that: In S3, the urban population concentration index and the rural population concentration index are calculated by considering the concentration of urban and rural populations respectively, and are calculated by the following formula: Where PAI c is the urban population concentration index, and PAI r is the rural population concentration index, P pc is the population of the city, and P pr is the rural population, P pt is the total population of the target network resource management area, A c is the urban area, A r is the rural area, and γ is the population distribution adjustment coefficient, which is used to emphasize the weight of population density for network resource management.

3. The network resource management method for dynamic spectrum sharing according to claim 2, characterized in that: In S3, according to the distribution of urban and rural base stations, the resource allocation pressure index of urban and rural base stations is analyzed respectively and calculated by the following formula: In the formula, API c Allocate pressure index for urban base station resources, API r is the rural base station resource allocation pressure index, N c is the number of base stations in the city, N r is the number of rural base stations, N t is the total number of base stations, and δ is the base station allocation adjustment coefficient, which is used to emphasize the weight of the population served by each base station.

4. The network resource management method for dynamic spectrum sharing according to claim 3, characterized in that: In S3, considering the different acceptance of NR and LTE by rural and urban populations, the priority allocation ratio of NR and LTE is calculated by the following formula: In the formula, R NR is the priority allocation resource ratio of NR, R LTE The priority resource allocation ratio for LTE, The acceptance of NR and LTE by urban populations, The acceptance of NR and LTE by rural population respectively.

5. The network resource management method for dynamic spectrum sharing according to claim 4, characterized in that: In S4, R NR As the allocation ratio of the NR basic demand layer, R LTE As the allocation ratio of the LTE basic demand layer, the allocation ratio of the NR dynamic allocation layer and the LTE dynamic allocation layer is calculated by the following formula: Where, RD NR is the allocation ratio of the NR dynamic allocation layer, RD LTE Allocation ratio for LTE dynamic allocation layer.

6. The network resource management method for dynamic spectrum sharing according to claim 5, characterized in that: In S6, the actual resource allocation situation includes a change curve of the actual resource allocation over time and a time node of a change inflection point in the change curve, wherein the change inflection point includes a node of changing from decrease to increase and a node of changing from increase to decrease.

7. The network resource management method for dynamic spectrum sharing according to claim 6, characterized in that: In S7, according to the population movement trajectory data, when the destinations of several population movement trajectories overlap and the total number of population movement trajectories arriving at the destination exceeds 5% of the total number of population movement trajectories, the sum of the NR resource allocation ratio and the LTE resource allocation ratio in the area exceeds 5%, then the signal base station in the area is marked as a signal base station in a high-demand area; when the sum of the NR resource allocation ratio and the LTE resource allocation ratio in the area is less than 0.1%, then the signal base station in the area is marked as a signal base station in a low-demand area; when the sum of the NR resource allocation ratio and the LTE resource allocation ratio in the area is 0.1-5%, then the signal base station in the area is marked as a signal base station in a medium-demand area.

8. The network resource management method for dynamic spectrum sharing according to claim 7, characterized in that: In S8, when the time node of changing from increase to decrease is reached, the focus of network resource allocation is shifted from network resources in high-demand areas to medium-demand areas, that is, the priority resource allocation ratio in medium-demand areas is increased and the priority resource allocation ratio in high-demand areas is reduced; When the time node for changing from reduction to increase is reached, the focus of network resource allocation in medium-demand areas will be shifted to high-demand areas, that is, the priority resource allocation ratio in medium-demand areas will be reduced, and the priority resource allocation ratio in high-demand areas will be increased.

9. The network resource management method for dynamic spectrum sharing according to claim 8, characterized in that: In S8, after calculating the NR expected difference, the NR priority resource allocation ratio and the LTE priority resource allocation ratio are adjusted by the following formula: In the formula, is the expected difference of NR, is the adjusted NR priority resource allocation ratio, It is the adjusted LTE priority resource allocation ratio.

10. A network resource management device for dynamic spectrum sharing, running based on the network resource management method for dynamic spectrum sharing according to any one of claims 1 to 9, characterized in that: include: A collection module is used to use geographic information system technology, combined with census data and base station location information, to obtain population and base station distribution data in the target network resource management area, and to collect the acceptance of NR and LTE in urban and rural areas of the target network resource management area; The analysis module is used to calculate the area, population ratio and base station distribution data of urban and rural areas by analyzing the collected data; The priority allocation calculation module is used to calculate and set the priority allocation resource ratio of NR and LTE according to the urban and rural areas, population ratio and base station distribution data of the target network resource management area; A preset module is used to divide the shared spectrum into four levels, including the NR basic demand layer, the NR dynamic allocation layer, the LTE basic demand layer and the LTE dynamic allocation layer, and calculate the resource allocation ratio of each level according to the priority allocation resource ratio of NR and LTE; The dynamic allocation module is used to dynamically adjust network resources in the dynamic allocation layer of NR and LTE according to the priority allocation ratio of NR and LTE in the actual operation process, based on the premise of meeting the resource allocation of each basic demand layer, combined with the real-time changes in network resource demand; The monitoring module is used to collect population movement trajectory data and then collect the actual resource allocation of NR and LTE during the resource allocation process; The optimization module is used to draw characteristic population movement traces through population movement trajectories, and divide the target network resource management area into low-demand areas, medium-demand areas, and high-demand areas based on the actual resource usage of NR and LTE, and mark the signal base stations in the corresponding areas; The reallocation module is used to compare the actual NR resource allocation ratio with the NR preset priority resource allocation ratio, calculate the NR expected difference, and then adjust the NR priority resource allocation ratio and the LTE priority resource allocation ratio according to the NR expected difference, and reallocate network resources in combination with the marked low-demand area, medium-demand area and high-demand area base stations.

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