CN114245420B - Base station control method, core network and storage medium - Google Patents
Base station control method, core network and storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Abstract
The application provides a base station control method, a core network and a storage medium, wherein a terminal identifier is acquired through the core network, a service type to be provided for a terminal and a distance between the terminal and a base station corresponding to each cell in a target area are acquired, and estimated consumption flow of the terminal execution service is acquired according to the terminal identifier, the service type and a service mapping table, so that a target cell is determined according to the estimated consumption flow and the distance between the terminal and the base station corresponding to each cell in the target area, and the base station corresponding to the target cell is controlled to provide the service for the terminal, so that the target cell is a cell with lowest cost data when a plurality of cells with different distances with the terminal provide the same estimated consumption flow.
Description
Technical Field
The present disclosure relates to the field of base station control, and in particular, to a base station control method, a core network, and a storage medium.
Background
The base station control means that the core network determines a target base station for providing service support for the terminal according to the service type requested by the terminal and the flow data to be consumed for providing the service for the terminal, and controls the target base station to provide corresponding service support for the terminal.
In the process of selecting a target base station for providing service support for a terminal by a core network, the selection of the target base station is generally performed only according to the load of each base station in the area where the terminal is located, so as to adapt to the service requirement of the terminal, for example: when the load of the 4G base station currently connected with the terminal is too high, other 4G base stations with low load in the current area are selected to provide service support for the terminal by taking the target base station or providing service support for the terminal by taking a 5G base station cell with low load as a cross network. However, in the process of selecting the target base station, the distance relationship between the terminal and each base station is not considered, so that the cell with the lowest cost data cannot be selected from the cell base stations with a plurality of available service support to provide service support for the terminal, and the transmission cost is wasted.
Therefore, how to reduce the cost data of the service provided by the cell base station is a problem to be solved.
Disclosure of Invention
The application provides a base station control method, a core network and a storage medium, which are used for solving the technical problem of reducing cost data of a cell base station providing service.
In a first aspect, the present application provides a base station control method, where the method is applied to a core network, and the method includes:
Acquiring a terminal identifier, a service type to be provided for a terminal and a distance between the terminal and a base station corresponding to each cell in a target area;
obtaining estimated consumption flow of the terminal execution service according to the terminal identification, the service type and a service mapping table, wherein the service mapping table represents the corresponding relation among the terminal identification, the service type and the estimated consumption flow of the terminal execution service;
and determining a target cell according to the estimated consumption flow and the distance between the terminal and the base station corresponding to each cell in the target area, and controlling the base station corresponding to the target cell to provide service for the terminal.
In the above technical solution, the core network obtains the estimated consumption flow of the terminal executing the service by using the terminal identifier and the service type provided for the terminal, and selects a suitable target cell according to the estimated consumption flow and the distance between the terminal and the base station corresponding to each cell in the target area, so as to ensure that the cost data of the target cell is the lowest cell in the target area on the basis of meeting the service support provided for the terminal.
Optionally, determining the target cell according to the estimated consumption flow and the distance between the terminal and the base station corresponding to each cell in the target area, and controlling the base station corresponding to the target cell to provide service for the terminal, which specifically comprises:
Acquiring a residence distance between a terminal and a base station corresponding to a residence cell, wherein the residence cell is a cell for providing service for the terminal;
when the residence distance is smaller than a preset distance threshold, determining the residence community as a target community, and controlling a base station corresponding to the target community to provide service for the terminal;
when the residence distance is greater than or equal to a preset distance threshold, determining a target cell according to the estimated consumption flow and the state information of each cell, and controlling a base station corresponding to the target cell to provide service for the terminal.
Optionally, determining the target cell according to the estimated consumption flow and the state information of each cell specifically includes:
determining a preset flow threshold corresponding to the resident cell according to the cell identifier of the resident cell and a flow threshold mapping table;
when the estimated consumption flow is smaller than a preset flow threshold, determining the resident cell as a target cell;
and when the estimated consumption flow is larger than or equal to a preset flow threshold, determining a target cell according to the state information of each cell in the target area.
Optionally, the status information includes a reference signal received power and a current load amount; when the estimated consumption flow is greater than a preset flow threshold, determining a target cell according to the state information of each cell in the target area, wherein the method specifically comprises the following steps:
According to the state information of each cell, a preset reference signal receiving power threshold value and a preset load threshold value, determining an original target cell set capable of providing service in a target area;
and calculating cost data of services provided by each cell in the original target cell set, and determining the cell with the lowest cost data as the target cell.
Optionally, determining an original target cell set capable of providing services in the target area according to the state information of each cell, a preset reference signal receiving power threshold value and a preset load threshold value specifically includes:
and determining the cells with the current load less than the preset load and the reference signal received power greater than the preset signal received power in each cell in the target area as original target cells so as to obtain an original target cell set capable of providing service in the target area.
Optionally, calculating cost data of service provided by each cell in the original target cell set specifically includes:
acquiring static power consumption, busy hour power consumption and cell identification of each original target cell;
according to the cell identification and the cost mapping table, determining unit cost data of unit flow transmitted by each original target cell in unit distance;
calculating a unit power value for providing unit flow consumption in a unit distance of each original target cell in the target area according to the static power consumption and the busy hour power consumption;
And calculating the cost data of the service provided by each original target cell according to the estimated consumption flow, the unit power value of each original target cell, the distance between each original target cell and the terminal and the unit cost data of each original target cell.
Optionally, calculating a unit power value for providing unit flow consumption in a unit distance by each original target cell in the target area according to the static power consumption and the busy hour power consumption specifically includes:
the unit power value is calculated according to the following formula:
wherein P is p Represents a unit power value, P B Representing busy hour power consumption, P R Represents static power consumption, K n Representing the flow rate generated by the nth terminal in the period corresponding to the power consumption in busy hour, d n The distance between the time period corresponding to the power consumption of the nth terminal in busy hours and the base station corresponding to the cell is represented, and N represents the number of terminals providing services by the base station in the time period corresponding to the power consumption in busy hours.
Optionally, calculating cost data of the service provided by each original target cell according to the estimated consumption flow, the unit power value of each original target cell, the distance between each original target cell and the terminal, and the unit cost data of each original target cell, specifically including:
calculating cost data of each original target cell providing service according to the following formula:
Q m ＝P p ×P E ×F m ×D m
Wherein P is p Represents a unit power value, P E Unit cost data representing the transmission unit flow rate of the mth original target cell in unit distance, F m Representing estimated consumption flow, D m Representing the distance between the terminal and the mth original target cell.
Optionally, according to the terminal identifier, the service type and the service mapping table, obtaining the estimated consumption flow of the service executed by the terminal, and the method further includes:
acquiring the number of times of providing services for a terminal and the type and consumed flow of each service providing in a preset time range taking the current moment as the end moment so as to acquire a service flow set;
and determining estimated consumption flow for providing the service for the terminal according to the statistical characteristics of the service flow set so as to obtain a service mapping table.
In the above technical solution, the core network determines the estimated consumption flow of the terminal according to the service type provided for the terminal, combines the distance between the terminal and the corresponding base station of each cell in the target area, determines the target cell and the corresponding base station which finally provide the service for the terminal, that is, when the distance is smaller than the preset distance threshold or when the distance exceeds the distance threshold but the estimated consumption flow is lower than the preset flow threshold of the resident cell, uses the resident cell as the target cell to provide the service so as to ensure the service providing efficiency, otherwise calculates the unit power value of each cell, calculates the cost data of each cell for providing the service in combination with the unit cost data, and selects the cell with the lowest cost data as the target cell so as to reduce the cost data of the service provided by the cell base station.
In a second aspect, the present application provides a core network, including: a processor and a memory communicatively coupled to the processor;
the memory stores computer-executable instructions;
the processor executes computer-executable instructions stored in the memory to implement the base station control method according to the first aspect.
In a third aspect, the present application provides a computer-readable storage medium having stored therein computer instructions which, when executed by a processor, are adapted to carry out the base station control method according to the first aspect.
The application provides a base station control method, a core network and a storage medium, wherein a terminal identifier is acquired through the core network, a service type to be provided for a terminal and a distance between the terminal and a base station corresponding to each cell in a target area are acquired, and estimated consumption flow of the terminal execution service is acquired according to the terminal identifier, the service type and a service mapping table, so that a target cell is determined according to the estimated consumption flow and the distance between the terminal and the base station corresponding to each cell in the target area, and the base station corresponding to the target cell is controlled to provide the service for the terminal, so that the target cell is a cell with lowest cost data when a plurality of cells with different distances with the terminal provide the same estimated consumption flow.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
Fig. 1 is an application scenario diagram of a base station control method according to an embodiment of the present application;
fig. 2 is a flow chart of a base station control method according to an embodiment of the present application;
fig. 3 is a flow chart of a base station control method according to another embodiment of the present application;
fig. 4 is a flow chart of a base station control method according to another embodiment of the present application;
fig. 5 is a schematic structural diagram of a base station control device according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a core network according to an embodiment of the present application.
Specific embodiments thereof have been shown by way of example in the drawings and will herein be described in more detail. These drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.
The base station control means that the core network determines a target base station for providing service support for the terminal according to the service type requested by the terminal and the flow data to be consumed for providing the service for the terminal, and controls the target base station to provide corresponding service support for the terminal.
In the process of selecting a target base station for providing service support for a terminal by a core network, the selection of the target base station is generally performed only according to the load of each base station in the area where the terminal is located, so as to adapt to the service requirement of the terminal, for example: when the load of the 4G base station currently connected with the terminal is too high, other 4G base stations with low load in the current area are selected to provide service support for the terminal by taking the target base station or providing service support for the terminal by taking a 5G base station cell with low load as a cross network. However, in the process of selecting the target base station, the distance relationship between the terminal and each base station is not considered, so that the cell with the lowest cost data cannot be selected from the cell base stations with a plurality of available service support to provide service support for the terminal, and the transmission cost is wasted.
Aiming at the technical problems, the embodiment of the application provides a base station control method, a core network and a storage medium, which aim to solve the problem of reducing the cost data of the service provided by a cell base station. The technical conception of the application is as follows: according to the estimated consumption flow for providing service for the terminal, the distance between the base station corresponding to each cell of the resident cell and the terminal in the target area, the load quantity of each cell, a preset distance threshold value and a preset flow threshold value, when the distance between the resident cell and the terminal is lower than the preset distance threshold value or when the estimated consumption flow is lower than the preset flow threshold value of the resident cell or the lowest cost data of providing service for each cell is determined, the target cell for providing service for the terminal in the target area is determined, so that the service providing efficiency for the terminal is ensured and the cost data of providing service for the cell base station is reduced.
Fig. 1 is an application scenario diagram of a base station control method provided in the present application, as shown in fig. 1, including a core network 10, at least one base station, and a terminal 12, and in the embodiment shown in fig. 1, the number of base stations is three, including: 4G base stations 11 and 5G base stations 13, in one embodiment, the number of 5G base stations is 2, including first 5G base station 131 and second 5G base station 132. The communication network systems of the base stations are different, and the core networks connected with the base stations are also different, namely, the core network 10 comprises a 4G core network 101 and a 5G core network 102,4G core network 101, related information of a terminal 12 which is positioned in a cell corresponding to the 4G base station 11 and connected with the 4G base station 11 is acquired through the 4G base station 11, and service support is provided for the terminal 12 through the 4G base station 11; in contrast, the 5G core network 102 obtains, through the 5G base station 13, information about the terminal 12 connected to the 5G base station 13 in the cell corresponding to the 5G base station 13, and provides service support for the terminal 12 through the 5G base station 13.
When the terminal 12 is in the overlapping coverage area of the cells corresponding to the multiple base stations and the terminal is connected with the 4G base station 11, the 4G core network 101 may determine the traffic provided by the base station required by the terminal 12 according to the service type requested by the terminal 12 to the base station, generate and send a base station information acquisition instruction to the 5G core network 102, and after acquiring the base station related information of the 5G base station 13, determine the optimal base station for providing the service for the terminal in all the 4G base stations and the 5G base stations by combining the base station related information acquired from the 4G base station 11 and the traffic to be consumed by the terminal 12, where the base station related information includes the distance between the base station and the terminal 12, the reference signal receiving power of each base station, and the load of each base station. In an embodiment, the criterion for determining the base station to provide the optimal service is that the optimal base station is the base station with the lowest cost for transmitting the traffic required by the service in the conditions that the load is lower than the preset load threshold and the reference signal receiving power is higher than the preset reference signal receiving power threshold. When the optimal base station is the 4G base station 11, the 4G core network 101 directly controls the optimal base station to provide services for the terminal 12; when the optimal base station is a 5G base station, the 4G core network 101 generates a service support instruction, and sends the instruction to the 5G core network 102, where the service support instruction is used to control the optimal base station to connect with the terminal 12 and provide services for the terminal 12.
In an embodiment, after the terminal 12 is connected to the 4G base station 11, when the load of the base station exceeds the maximum load of the base station, the 4G core network 101 determines an optimal base station for providing services for the terminal 12 according to the load states of the first 5G base station 131 and the second 5G base station 132 and controls the optimal base station to provide service support for the terminal 12. When the 4G core network 101 determines an optimal base station from among a plurality of base stations, cost data required for each base station to provide the service may be determined by the traffic required for the terminal 12 to perform the service and the distance between the terminal 12 and each base station and the amount of loadable bandwidth of each base station, so that the base station with the lowest cost data is determined as a target base station.
When the terminal 12 in the overlapping coverage area of the cells corresponding to the multiple base stations is connected to the 5G base station 13, the 5G core network 102 may determine the traffic provided by the base station required by the terminal 12 according to the traffic type requested by the terminal 12 to the base station, generate and send a base station information acquisition instruction to the 4G core network 101, and after acquiring the base station related information of the 4G base station 11, determine the optimal base station for providing the traffic for the terminal in all the 4G base stations and the 5G base stations by combining the base station related information acquired from the 5G base station 13 and the traffic to be consumed by the terminal 12. When the optimal base station is the 5G base station 13, the 5G core network 102 directly controls the optimal base station to provide services for the terminal 12; when the optimal base station is a 4G base station, the 5G core network 102 generates a service support instruction, and sends the instruction to the 4G core network 101, where the service support instruction is used to control the optimal base station to connect with the terminal 12 and provide services for the terminal 12.
Fig. 2 is a flow chart of a base station control method according to an exemplary embodiment of the present application. As shown in fig. 2, the base station control method provided in the present application includes:
s201, the core network acquires a terminal identifier, a service type to be provided for the terminal and a distance between the terminal and a base station corresponding to each cell in a target area.
The service type to be provided for the terminal is the service type which needs to be obtained from the base station in the running process of an application program started in the terminal after the terminal is connected with the base station. The service types include, but are not limited to: video type, game type, web page type, text type. The requirements of each service type on the service support characteristics of the base station are different, for example: the video type requires bandwidth capable of supporting a large amount of downstream data, and the time-lapse data is less demanding than the game type traffic.
The distance between the terminal and the base station corresponding to each cell in the target area can be obtained according to the mobile position service of the base station. The target area is an area including at least one base station cell, where the target area is an area controllable by the core network, and in an embodiment, the level of the target area includes a country level, a province level, a city level, and a district level.
S202, the core network obtains estimated consumption flow of the terminal executing the service according to the terminal identification, the service type and the service mapping table.
Wherein the terminal identification and the type of service are obtained from step S201.
The service mapping table represents the corresponding relation among the terminal identification, the service type and the estimated consumption flow of the service executed by the terminal. The estimated consumption flow represents the flow required by the terminal corresponding to the terminal identifier when the terminal performs the type of service.
And S203, the core network determines a target cell according to the estimated consumption flow and the distance between the terminal and the base station corresponding to each cell in the target area, and controls the base station corresponding to the target cell to provide service for the terminal.
The estimated consumption flow is obtained in step S202, and the distance between the terminal and the base station corresponding to each cell in the target area is obtained in step S201.
The core network selects a load according to the estimated consumption flow and the distance between the terminal and each base station, the base station with the minimum cost data is used as a target base station, and the cell corresponding to the base station is used as a target cell.
In the above technical solution, the core network obtains the estimated consumption flow of the terminal executing the service by using the terminal identifier and the service type provided for the terminal, and selects a suitable target cell according to the estimated consumption flow and the distance between the terminal and the base station corresponding to each cell in the target area, so as to ensure that the cost data of the target cell is the lowest cell in the target area on the basis of meeting the service support provided for the terminal.
Fig. 3 is a flow chart of a base station control method according to an embodiment of the present application, where an execution body of the method is a core network. As shown in fig. 3, the base station control method provided in the present application includes:
s301, obtaining the number of times of providing service for the terminal and the type and consumed flow of each time of providing service in a preset time range taking the current time as the end time, so as to obtain a service flow set.
The core network comprises a 4G core network and a 5G core network.
When the core network connected with the terminal is a 4G core network, generating a 5G information acquisition instruction, and sending the instruction to the 5G core network, wherein the 5G information acquisition instruction is used for acquiring the times, the service types and the consumed flow which are connected with the 5G core network and provide the service for the terminal through the 5G base station. The 4G core network also obtains the number of times of providing the service to the terminal through the 4G base station, the service type and the consumed traffic. And the 4G core network performs statistics on the information obtained by the local network and the information obtained from the 5G core network to obtain a service flow set.
When the core network connected with the terminal is a 5G core network, generating a 4G information acquisition instruction, and sending the instruction to the 5G core network, wherein the 4G information acquisition instruction is used for acquiring the times, the service types and the consumed flow which are connected with the 4G core network and provide the service for the terminal through the 4G base station. The 5G core network also obtains the number of times of providing the service to the terminal through the 5G base station, the service type and the consumed traffic. And the 5G core network performs statistics on the information obtained by the local network and the information obtained from the 4G core network to obtain a service flow set.
The service flow set represents a set of types, consumed flows and corresponding relations between the types and consumed flows of the services provided for the terminal each time within a preset time range.
The preset time range with the current time as the end time refers to a preset period that can be closest to the current time. More specifically, the service flow set obtained according to the service type and the flow consumed by the service within the preset time range can ensure that the terminal executes the representative flow consumed by the service of the type again.
S302, according to the statistical characteristics of the service flow set, the estimated consumption flow for providing the service for the terminal is determined, so as to obtain a service mapping table.
The service comprises a service type, and the estimated consumption flow of the service represents the flow to be consumed for the terminal to execute the service of the type.
The statistical features of the traffic flow set are features representing overall characteristics obtained after the analysis processing of the traffic flow set acquired in step S301, and the features include a difference feature and a regularity feature. In one embodiment, the statistics of the traffic volume set is median.
The determining of the estimated consumption flow for providing the service for the terminal according to the statistical feature of the service flow set refers to taking the median of the subset of the flow data provided for each type of service in the service flow set obtained in the preset time range in step S301 as the estimated consumption flow of the type of service. Wherein the traffic flow set comprises a subset of the traffic data provided by each type of traffic described above.
The service mapping table represents the corresponding relation among the terminal identification, the service type and the estimated consumption flow of the service executed by the terminal.
S303, acquiring a terminal identifier, and obtaining the service type to be provided for the terminal and the distance between the terminal and the base station corresponding to each cell in the target area.
The terminal identifier refers to an identifier of a terminal which is connected with a base station controlled by the core network and waits for the base station to provide corresponding service support for a service requested by the terminal.
The service types to be provided by the core network for the terminal and the distances between the terminal and the base stations corresponding to the cells in the target area are explained in detail in step S201, and are not repeated here.
S304, obtaining the estimated consumption flow of the terminal executing the service according to the terminal identification, the service type and the service mapping table.
Wherein the service mapping table is obtained from step S302, and the terminal identification and the type of service are obtained from step S303.
The service mapping table and the estimated consumption traffic are both explained in detail in step S302, and are not described here again.
S305, acquiring the residence distance between the terminal and the base station corresponding to the residence cell.
The resident cell represents a cell which is currently connected with the terminal and provides service for the terminal.
The residence distance between the terminal and the base station corresponding to the residence cell is obtained according to the mobile location service of the base station corresponding to the residence cell.
And S306, when the residence distance is smaller than the preset distance threshold, determining the residence cell as a target cell, and controlling a base station corresponding to the target cell to provide service for the terminal.
The camping distance is the distance between the terminal obtained in step S305 and the base station corresponding to the camping cell.
When the residence distance is smaller than the preset distance threshold, the distance between the base station corresponding to the residence cell of the terminal and the terminal is closer than the distance between the base station corresponding to other cells and the terminal, the connection relation between the terminal and the base station in the target area is not changed, namely the residence cell is determined to be the target cell, and the base station corresponding to the target cell is controlled to provide service for the terminal so as to complete the current flow.
S307, when the residence distance is greater than or equal to the preset distance threshold, determining a target cell according to the estimated consumption flow and the state information of each cell, and controlling the base station corresponding to the target cell to provide service for the terminal.
Wherein, the estimated consumption flow is obtained from step S304, and the residence distance is obtained from step S305.
The process of determining the target cell according to the estimated consumption flow and the state information of each cell specifically includes steps S3071 to S3073:
s3071, determining a preset flow threshold corresponding to the resident cell according to the cell identification of the resident cell and the flow threshold mapping table.
The traffic threshold map represents a correspondence between a cell identifier of a camping cell and a preset traffic threshold corresponding to the camping cell.
Because the communication performance of the base stations corresponding to the resident cells is different, the preset flow thresholds corresponding to the base stations are also different, wherein the communication performance of the base stations comprises: network type, carrier type of communication base station signal.
S3072, determining the resident cell as a target cell when the estimated consumption flow is smaller than a preset flow threshold.
Wherein, the estimated consumption flow is obtained from step S304.
The camping cell is explained in detail in step S305, and will not be described here again.
When the estimated consumption flow is smaller than the preset flow threshold, the resident cell of the terminal meets the capability of providing the service for the terminal, so that the base station providing service support for the terminal is not changed, the resident cell is determined to be a target cell, and the base station corresponding to the target cell is controlled to provide the service for the terminal, so that the current flow is completed.
S3073, when the estimated consumption flow is larger than or equal to a preset flow threshold, determining a target cell according to the state information of each cell in the target area.
Wherein, the estimated consumption flow is obtained from step S304.
The state information of each cell in the target area includes the reference signal received power and the current load amount. The current load is the load which is acquired by the core network through the interface of the base station, can change in real time and is occupied by the base station for providing different service support for the correspondingly connected terminals.
More specifically, the process of determining the target cell from the state information of each cell in the target area specifically includes steps S3074 to S3075:
s3074, determining an original target cell set capable of providing service in a target area according to the state information of each cell, a preset reference signal receiving power threshold value and a preset load threshold value.
Wherein the state information of each cell includes the reference signal received power and the current load amount.
More specifically, a cell in which the current load amount is smaller than the preset load amount and the reference signal received power is larger than the preset signal received power in each cell in the target area is determined as an original target cell, so as to obtain an original target cell set capable of providing services in the target area.
S3075, calculating cost data of service provided by each cell in the original target cell set, and determining a cell with the lowest cost data as a target cell.
The cost data of the service provided by each cell is determined according to the estimated consumption flow of the terminal, the distance between the terminal and the base station corresponding to each cell and the unit cost data consumed by the flow of the transmission unit power in the process of providing the service by the base station of each cell.
More specifically, the calculation process of the cost data of the service provided by each cell in the original target cell set includes steps S3076 to S3079:
s3076, acquiring static power consumption, busy hour power consumption and cell identification of each original target cell.
The static power consumption of the original target cell represents the power consumption required by the base station corresponding to the target cell to maintain the normal operation of the base station in a zero load state. In one embodiment, the static power consumption of the original target cell is constant.
The busy-time power consumption of the target cells refers to the average power consumed by each original target cell to provide the power with the maximum total traffic per unit time in the preset time range referred to in step S301. For example: the busy hour power consumption of the original target cell A is obtained by obtaining the power value which is consumed by the cell A and corresponds to 1 hour with the maximum total flow provided by the base station every day at 1 hour as time intervals in 7 months, 1 day to 7 months and 15 days, so as to obtain the 15-day busy hour power consumption, and the average value of the 15-day busy hour power consumption is taken as the busy hour power consumption of the original target cell A in a preset time range.
S3077, determining unit cost data of unit flow transmitted by each original target cell in unit distance according to the cell identification and the cost mapping table.
Wherein the cell identity is obtained from step S3076.
The cost mapping table represents the correspondence between the cell identity of each original target cell and the unit cost data of the cell for transmitting unit flow in unit distance. In one embodiment, the unit cost data is an electricity price paid by the cell for transmitting a unit flow rate in a unit distance.
S3078, calculating a unit power value for providing unit flow consumption in a unit distance of each original target cell in the target area according to the static power consumption and the busy hour power consumption.
Wherein, the static power consumption and the busy hour power consumption are obtained from step S3076.
The unit power value consumed by each cell for providing unit flow for the terminal refers to the sum of the total flow consumed by all corresponding terminals and the distance between the terminal and the cell base station, wherein the power consumed by the flow only for providing service for the terminal in the time period corresponding to the busy time power consumption. Because the busy hour power consumption of the cell is the average value of the busy hour power consumption within the preset time range, the total flow consumed by the terminal providing the service of the cell and the distance between the terminal and the terminal are also the average value and the distance average value of the flow generated by the terminal connected with the base station in the corresponding time period of the busy hour power consumption.
More specifically, the unit power value is calculated according to the following formula:
wherein P is p Represents a unit power value, P B Representing busy hour power consumption, P R Represents static power consumption, K n Representing the flow rate generated by the nth terminal in the period corresponding to the power consumption in busy hour, d n The distance between the time period corresponding to the power consumption of the nth terminal in busy hours and the base station corresponding to the cell is represented, and N represents the number of terminals providing services by the base station in the time period corresponding to the power consumption in busy hours.
S3079, calculating cost data of the service provided by each original target cell according to the estimated consumption flow, the unit power value of each original target cell, the distance between each original target cell and the terminal and the unit cost data of each original target cell.
Wherein, the estimated consumption flow is obtained from step S302.
The unit power value of each original target cell is acquired from step S3078.
The distance between each original target cell and the terminal is obtained from step S303.
The unit cost data of each original target cell is acquired from step S3077.
The cost data of the service provided by each original target cell is the cost data of the power consumption required by each original target cell to transmit the estimated consumption flow on the distance from the terminal, namely the cost data of the service provided by each original target cell is the product of the distance between each original target cell and the terminal and the unit power value, the estimated consumption flow and the unit cost data.
More specifically, the cost data of each original target cell providing service is calculated according to the following formula:
Q m ＝P p ×P E ×F m ×D m
wherein P is p Represents a unit power value, P E Unit cost data representing the transmission unit flow rate of the mth original target cell in unit distance, F m Representing estimated consumption flow, D m Representing the distance between the terminal and the mth original target cell.
For example: the pseudo target area includes A, B, C, D four cells, wherein the a cell is a 4G cell where the first terminal resides, the other 3 base station cells are 5G cells where both signal receiving power and current load quantity meet conditions, that is, the 3 5G cells and the 4G cells are original target cells, the distance between the terminal and the residing 4G base station far exceeds a preset distance threshold, the service type accessed by the terminal is video type, and the estimated consumption flow rate of the base station providing the service for the terminal is 2.3Gb, and relevant parameters calculated for the four cells are shown in table 1:
TABLE 1
According to the cost data of the estimated consumption flow provided by the 4 cells in the table 1, the cost data of the 5G cell D can be determined to be minimum, so that the core network controls the 5G cell D to provide service support for the terminal.
And selecting a base station corresponding to the lowest cost data from the cost data corresponding to the plurality of original target cells as the target cell, and controlling the base station corresponding to the target cell to provide service support for the terminal.
More specifically, when the target cell is a 4G cell and the core network to which the terminal is connected is a 4G core network, a first control instruction is generated, where the first control instruction is used to control a base station corresponding to the target cell to provide services for the terminal. When the target cell is a 4G cell and the core network connected with the terminal is a 5G core network, generating and sending a second control instruction to the 4G core network, wherein the second control instruction is used for indicating a base station corresponding to the 4G core network control target cell to be connected with the terminal and providing service for the terminal.
When the target cell is a 5G cell and the core network connected with the terminal is a 5G core network, generating a third control instruction, wherein the third control instruction is used for controlling a base station corresponding to the target cell to provide service for the terminal. When the target cell is a 5G cell and the core network connected with the terminal is a 4G core network, generating a fourth control instruction and sending the fourth control instruction to the 5G core network, wherein the fourth control instruction is used for indicating a base station corresponding to the 5G core network control target cell to be connected with the terminal and providing service for the terminal.
In the above technical solution, the core network determines the estimated consumption flow of the terminal according to the service type provided for the terminal, combines the distance between the terminal and the corresponding base station of each cell in the target area, determines the target cell and the corresponding base station which finally provide the service for the terminal, that is, when the distance is smaller than the preset distance threshold or when the distance exceeds the distance threshold but the estimated consumption flow is lower than the preset flow threshold of the resident cell, uses the resident cell as the target cell to provide the service so as to ensure the service providing efficiency, otherwise calculates the unit power value of each cell, calculates the cost data of each cell for providing the service in combination with the unit cost data, and selects the cell with the lowest cost data as the target cell so as to reduce the cost data of the service provided by the cell base station.
Fig. 4 is a flow chart of a base station control method according to an embodiment of the present application, where an execution body of the method is a core network. As shown in fig. 4, the base station control method provided in the present application includes:
s401, obtaining the number of times of providing the preset service for the terminal in the preset time range and the flow consumed by providing the preset service each time, and obtaining a consumed flow set of the preset service.
The consumption flow set of the preset service comprises the type of the preset service provided for the terminal by each base station controlled by the core network in a preset time range, the flow consumed by each time of providing the service and the times of providing various types of preset services for each terminal.
The process of obtaining the consumption flow set of the preset service by the core network connected by the terminal is explained in detail in step S301, and is not repeated here.
S402, according to the statistical characteristics of the consumption flow set of the preset service, determining the estimated consumption flow of the terminal for executing the preset service, and obtaining a service mapping table.
The statistics feature of the preset service consumption flow set, the estimated consumption flow of the terminal executing the preset service determined according to the statistics feature, and the obtained service mapping table are all explained in detail in step S302, and are not described herein again.
S403, acquiring a terminal identifier, and obtaining the service type to be provided for the terminal and the distance between the terminal and the base station corresponding to each cell in the target area.
The service types to be provided by the base station for the terminal and the distances between the terminal and the base station corresponding to each cell in the target area are explained in detail in step S303, and are not repeated here.
S404, judging whether the residence distance between the terminal and the base station corresponding to the residence cell is smaller than a preset distance threshold value.
Wherein, the residence distance between the terminal and the base station corresponding to the residence cell is obtained from step S403.
The camping cell is explained in detail in step S305, and will not be described here again.
More specifically, when the residence distance of the terminal from the base station corresponding to the residence cell is smaller than the preset distance threshold, step S410 is entered, otherwise, step S405 is entered.
S405, determining estimated consumption flow of the terminal execution service according to the service type and the service mapping table provided for the terminal.
Wherein the service type is obtained from step S403.
The service mapping table represents the corresponding relation among the terminal identification, the service type and the estimated consumption flow of the service executed by the terminal. The service mapping table is obtained from step S402.
The estimated consumed traffic is the traffic that the terminal needs when doing the above-mentioned type of traffic.
S406, judging whether the estimated consumption flow of the terminal execution service is smaller than a preset flow threshold of the resident cell.
Wherein, the estimated consumption flow of the terminal execution service is obtained from step S405. The preset traffic threshold of the resident cell is obtained according to the cell representation and the traffic threshold mapping table of the resident cell, and more specifically, the process of obtaining the preset traffic threshold of the resident cell is explained in detail in step S3071, which is not repeated here.
More specifically, when the estimated consumption traffic is smaller than the preset traffic threshold of the camping cell, step S411 is entered, otherwise step S407 is entered.
S407, acquiring state information of all cells in the target area, and determining an original target cell set capable of providing service according to the state information, a preset reference signal receiving power threshold value and a preset load threshold value.
Wherein the state information of the cell includes the reference signal received power and the current load amount.
Determining an original target cell set capable of providing service according to the state information, the preset reference signal receiving power threshold value and the preset load threshold value refers to determining cells with current load less than preset load and reference signal receiving power greater than preset signal receiving power in each cell in the target area as original target cells so as to obtain the original target cell set capable of providing service in the target area.
S408, calculating cost data of each cell in the original target cell set for providing service for the terminal, and determining the target cell according to the cost data.
The explanation and calculation process of the cost data of the original target cell for providing the service to the terminal are explained in detail in steps S3075 to S3079, and are not repeated here.
S409, generating a first service providing instruction to control the target cell to provide service for the terminal.
The first service providing instruction is a service instruction for determining a cell with the lowest cost data generated for providing a service for a terminal in an original target cell set as a target cell and controlling the target cell to provide the service for the terminal.
More specifically, according to the states of the core network corresponding to the target cell and the core network corresponding to the resident cell, the core network corresponding to the resident cell generates a control instruction to control the target cell to provide a service instruction of a service for the terminal, wherein the control instruction comprises a first control instruction, a second control instruction, a third control instruction and a fourth control instruction.
More specifically, the process of generating the control instruction by the core network corresponding to the camping cell to control the service instruction of the target cell to provide the service for the terminal is explained in detail in step S3079, which is not repeated herein.
And after the step is finished, ending the current flow.
S410, generating a second service providing instruction to control the resident cell to provide service for the terminal.
The second service providing instruction is a service instruction generated when the distance between the base station corresponding to the resident cell and the terminal is smaller than a preset distance threshold value, the instruction is used for controlling the resident cell to provide service for the terminal, and when the step is completed, the current flow is ended.
S411, generating a third service providing instruction to control the resident cell to provide service for the terminal.
The third service providing instruction is a service instruction generated when the preset flow threshold value which can be provided by the base station corresponding to the resident cell is larger than the estimated consumption flow of the terminal, the instruction is used for controlling the resident cell to provide service for the terminal, and when the step is finished, the current flow is ended.
In the above technical solution, the core network determines whether to generate the second service providing instruction according to the distance between the terminal and the main stream base station and the preset distance threshold, when the instruction is not generated, determines whether to generate the third service providing instruction according to the estimated consumption flow and the preset flow threshold required by the terminal, when the instruction is not generated yet, calculates the cost data of each cell for providing the service for the terminal according to the busy time power consumption, the static power consumption and the unit cost data of the service performed by the terminal, thereby selecting the cell with the lowest cost data as the target cell, and generates the first service providing instruction to reduce the cost data of the service provided by the cell base station.
As shown in fig. 5, an embodiment of the present application provides a base station control apparatus 500, where the apparatus 500 includes:
the acquiring module 501 is configured to acquire a terminal identifier, a service type to be provided for a terminal, and a distance between the terminal and a base station corresponding to each cell in a target area.
The processing module 502 is configured to obtain, according to the terminal identifier, the type of the service, and a service mapping table, an estimated consumption flow of the service executed by the terminal, where the service mapping table represents a correspondence between the terminal identifier, the type of the service, and the estimated consumption flow of the service executed by the terminal.
The processing module 502 is further configured to determine a target cell according to the estimated consumption flow and a distance between the terminal and a base station corresponding to each cell in the target area, and control the base station corresponding to the target cell to provide a service for the terminal.
In one embodiment, the processing module 502 is specifically configured to:
acquiring a residence distance between a terminal and a base station corresponding to a residence cell, wherein the residence cell is a cell for providing service for the terminal;
when the residence distance is smaller than a preset distance threshold, determining the residence community as a target community, and controlling a base station corresponding to the target community to provide service for the terminal;
when the residence distance is greater than or equal to a preset distance threshold, determining a target cell according to the estimated consumption flow and the state information of each cell, and controlling a base station corresponding to the target cell to provide service for the terminal.
In one embodiment, the processing module 502 is specifically configured to:
determining a preset flow threshold corresponding to the resident cell according to the cell identifier of the resident cell and a flow threshold mapping table;
when the estimated consumption flow is smaller than a preset flow threshold, determining the resident cell as a target cell;
and when the estimated consumption flow is larger than or equal to a preset flow threshold, determining a target cell according to the state information of each cell in the target area.
In one embodiment, the processing module 502 is specifically configured to:
according to the state information of each cell, a preset reference signal receiving power threshold value and a preset load threshold value, determining an original target cell set capable of providing service in a target area;
and calculating cost data of services provided by each cell in the original target cell set, and determining the cell with the lowest cost data as the target cell.
In one embodiment, the processing module 502 is specifically configured to:
and determining the cells with the current load less than the preset load and the reference signal received power greater than the preset signal received power in each cell in the target area as original target cells so as to obtain an original target cell set capable of providing service in the target area.
In one embodiment, the processing module 502 is specifically configured to:
Acquiring static power consumption, busy hour power consumption and cell identification of each original target cell;
according to the cell identification and the cost mapping table, determining unit cost data of unit flow transmitted by each original target cell in unit distance;
calculating a unit power value for providing unit flow consumption in a unit distance of each original target cell in the target area according to the static power consumption and the busy hour power consumption;
and calculating the cost data of the service provided by each original target cell according to the estimated consumption flow, the unit power value of each original target cell, the distance between each original target cell and the terminal and the unit cost data of each original target cell.
In one embodiment, the unit power value is calculated according to the following formula:
wherein P is p Representing unit powerValue, P B Representing busy hour power consumption, P R Represents static power consumption, K n Representing the flow rate generated by the nth terminal in the period corresponding to the power consumption in busy hour, d n The distance between the time period corresponding to the power consumption of the nth terminal in busy hours and the base station corresponding to the cell is represented, and N represents the number of terminals providing services by the base station in the time period corresponding to the power consumption in busy hours.
In one embodiment, the cost data for each original target cell to provide service is calculated according to the following formula:
Q m ＝P p ×P E ×F m ×D m
Wherein P is p Represents a unit power value, P E Unit cost data representing the transmission unit flow rate of the mth original target cell in unit distance, F m Representing estimated consumption flow, D m Representing the distance between the terminal and the mth original target cell.
In an embodiment, the processing module 502 is further configured to:
acquiring the number of times of providing services for a terminal and the type and consumed flow of each service providing in a preset time range taking the current moment as the end moment so as to acquire a service flow set;
and determining estimated consumption flow for providing the service for the terminal according to the statistical characteristics of the service flow set so as to obtain a service mapping table.
As shown in fig. 6, an embodiment of the present application provides a core network 600, where the core network 600 includes a memory 601 and a processor 602.
Wherein the memory 601 is used to store computer instructions executable by the processor.
The processor 602, when executing computer instructions, implements the steps of the base station control method in the above embodiments. Reference may be made in particular to the relevant description of the embodiments of the method described above.
Alternatively, the memory 601 may be separate or integrated with the processor 602. When the memory 601 is provided separately, the server 600 further includes a bus for connecting the memory 601 and the processor 602.
The embodiment of the application further provides a computer readable storage medium, in which computer instructions are stored, and when the processor executes the computer instructions, the steps in the base station control method in the above embodiment are implemented.
The present application also provides a computer program product comprising computer instructions which, when executed by a processor, implement the steps of the base station control method in the above embodiments.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (6)
1. A base station control method, wherein the method is applied to a core network, the method comprising:
acquiring a terminal identifier, a service type to be provided for the terminal and a distance between the terminal and a base station corresponding to each cell in a target area;
obtaining estimated consumption flow of the service executed by the terminal according to the terminal identifier, the type of the service and a service mapping table, wherein the service mapping table represents a corresponding relation among the terminal identifier, the type of the service and the estimated consumption flow of the service executed by the terminal;
determining a target cell according to the estimated consumption flow and the distance between the terminal and a base station corresponding to each cell in a target area, and controlling the base station corresponding to the target cell to provide the service for the terminal;
the method comprises the steps of determining a target cell according to the estimated consumption flow and the distance between the terminal and a base station corresponding to each cell in the target area, and controlling the base station corresponding to the target cell to provide the service for the terminal, and specifically comprises the following steps:
acquiring a residence distance between the terminal and a base station corresponding to a residence cell, wherein the residence cell is represented as a cell for providing service for the terminal;
When the residence distance is smaller than a preset distance threshold, determining the residence community as a target community, and controlling a base station corresponding to the target community to provide the service for the terminal;
when the residence distance is greater than or equal to the preset distance threshold, determining a target cell according to the estimated consumption flow and the state information of each cell, and controlling a base station corresponding to the target cell to provide the service for the terminal;
the method for determining the target cell according to the estimated consumption flow and the state information of each cell specifically comprises the following steps:
determining a preset flow threshold corresponding to a resident cell according to a cell identifier and a flow threshold mapping table of the resident cell;
when the estimated consumption flow is smaller than a preset flow threshold, determining the resident cell as a target cell;
when the estimated consumption flow is larger than or equal to a preset flow threshold, determining a target cell according to the state information of each cell in the target area;
the state information comprises reference signal received power and current load quantity; when the estimated consumption flow is greater than a preset flow threshold, determining a target cell according to the state information of each cell in the target area, specifically including:
Determining an original target cell set which can provide the service in a target area according to the state information of each cell, a preset reference signal receiving power threshold value and a preset load threshold value;
calculating cost data of the service provided by each cell in the original target cell set, and determining a cell with the lowest cost data as a target cell;
the calculating the cost data of the service provided by each cell in the original target cell set specifically includes:
acquiring static power consumption, busy hour power consumption and cell identification of each original target cell;
determining unit cost data of unit flow transmitted by each original target cell in unit distance according to the cell identification and the cost mapping table;
calculating a unit power value for providing unit flow consumption in a unit distance of each original target cell in a target area according to the static power consumption and the busy hour power consumption;
calculating cost data of the service provided by each original target cell according to the estimated consumption flow, the unit power value of each original target cell, the distance between each original target cell and the terminal and the unit cost data of each original target cell;
the method specifically includes the steps of calculating cost data of the service provided by each original target cell according to the estimated consumption flow, the unit power value of each original target cell, the distance between each original target cell and the terminal and the unit cost data of each original target cell, wherein the cost data comprises the following steps:
Calculating cost data of the service provided by each original target cell according to the following formula:
Q m ＝P p ×P E ×F m ×D m ，
wherein P is p Represents a unit power value, P E Unit cost data representing the transmission unit flow rate of the mth original target cell in unit distance, F m Representing estimated consumption flow, D m Representing the distance between the terminal and the mth original target cell.
2. The method according to claim 1, wherein determining the original target cell set in the target area that can provide the service according to the state information of each cell, the preset reference signal receiving power threshold value and the preset load threshold value specifically comprises:
and determining the cells with the current load less than the preset load and the reference signal received power greater than the preset signal received power in each cell in the target area as original target cells so as to obtain an original target cell set which can provide the service in the target area.
3. The method according to claim 1, wherein calculating a unit power value for each original target cell in a target area to provide a unit traffic consumption in a unit distance according to the static power consumption and the busy hour power consumption specifically comprises:
the unit power value is calculated according to the following formula:
Wherein P is p Represents a unit power value, P B Representing busy hour power consumption, P R Represents static power consumption, K n Representing the flow rate generated by the nth terminal in the period corresponding to the busy hour power consumption, d n And N represents the number of terminals providing services by the base station in the period corresponding to the busy hour power consumption.
4. The method of claim 1, wherein before obtaining the estimated consumption flow of the service performed by the terminal according to the terminal identification, the type of the service, and the service mapping table, the method further comprises:
acquiring the times of providing the service for the terminal and the type and consumed flow of each service providing in a preset time range taking the current moment as the end moment so as to acquire a service flow set;
and determining the estimated consumption flow for providing the service for the terminal according to the statistical characteristics of the service flow set so as to obtain a service mapping table.
5. A core network, comprising: a processor and a memory communicatively coupled to the processor;
the memory stores computer-executable instructions;
The processor, when executing the computer-executable instructions, is configured to implement the base station control method as claimed in any one of claims 1 to 4.
6. A computer readable storage medium, characterized in that the computer readable storage medium has stored therein computer instructions, which when executed by a processor are adapted to implement the base station control method according to any of claims 1 to 4.
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