CN112383952A - Carrier wave determining method and device - Google Patents

Carrier wave determining method and device Download PDF

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Publication number
CN112383952A
CN112383952A CN202011399234.XA CN202011399234A CN112383952A CN 112383952 A CN112383952 A CN 112383952A CN 202011399234 A CN202011399234 A CN 202011399234A CN 112383952 A CN112383952 A CN 112383952A
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China
Prior art keywords
carrier
carriers
candidate
current
target
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CN202011399234.XA
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CN112383952B (en
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吕婷
曹亘
冯毅
李福昌
张涛
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China United Network Communications Group Co Ltd
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China United Network Communications Group Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
    • H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/52—Allocation or scheduling criteria for wireless resources based on load
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a carrier wave determining method and device, relates to the technical field of communication, and is used for determining a carrier wave to be turned off. The method comprises the following steps: a plurality of common coverage carriers are determined. Wherein the plurality of common coverage carriers have the same coverage area. The shutdown priorities of a plurality of common coverage carriers are determined. Wherein the shutdown priority of the first carrier is related to at least one parameter of the traffic load, the carrier bandwidth, the carrier frequency, the traffic rate, and the traffic connection delay of the first carrier. The first carrier is any one of a plurality of co-covering carriers. And acquiring the average service load of the first carrier in the first statistical period. And determining the carriers with the average service load smaller than or equal to a first threshold value and the shutdown priority larger than a second threshold value in the plurality of common coverage carriers as the carriers to be shutdown. The embodiment of the invention is applied to energy conservation of the base station.

Description

Carrier wave determining method and device
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a carrier determination method and apparatus.
Background
Currently, the carrier turn-off technology is mainly applied to a scenario where multiple carriers simultaneously cover a certain area. The operation and maintenance personnel usually use a carrier turn-off technology to realize energy saving of the base station, and the energy saving can specifically be as follows: the method comprises the steps of obtaining the traffic of each carrier, determining carriers to be turned off which have no traffic or the traffic is smaller than a certain threshold value from a plurality of carriers, and turning off the carriers to be turned off.
However, in the above technical solution, when determining the carrier to be turned off, only the traffic of the carrier is considered, so that the result of determining the carrier to be turned off is inaccurate. Furthermore, the carrier to be turned off is turned off, which easily causes performance degradation of the wireless communication network.
Disclosure of Invention
The embodiment of the invention provides a carrier wave determining method and device, which are used for determining a carrier wave to be turned off.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
in a first aspect, a carrier determination method is provided, where the method includes: a plurality of common coverage carriers are determined. Wherein the plurality of common coverage carriers have the same coverage area. The shutdown priorities of a plurality of common coverage carriers are determined. Wherein the shutdown priority of the first carrier is related to at least one parameter of the traffic load, the carrier bandwidth, the carrier frequency, the traffic rate, and the traffic connection delay of the first carrier. The first carrier is any one of a plurality of co-covering carriers. And acquiring the average service load of the first carrier in the first statistical period. And determining the carriers with the average service load smaller than or equal to a first threshold value and the shutdown priority larger than a second threshold value in the plurality of common coverage carriers as the carriers to be shutdown.
In a second aspect, a carrier determination apparatus is provided, which includes a determination unit and an acquisition unit. A determining unit, configured to determine a plurality of common coverage carriers. Wherein the plurality of common coverage carriers have the same coverage area. The determining unit is further configured to determine a shutdown priority of the multiple common coverage carriers. Wherein the shutdown priority of the first carrier is related to at least one parameter of the traffic load, the carrier bandwidth, the carrier frequency, the traffic rate, and the traffic connection delay of the first carrier. The first carrier is any one of a plurality of co-covering carriers. An obtaining unit, configured to obtain an average traffic load of the first carrier in a first statistical period. The determining unit is further configured to determine that the average traffic load of the multiple common coverage carriers is less than or equal to a first threshold, and the carrier with the turn-off priority greater than a second threshold is a carrier to be turned off.
In a third aspect, there is provided a computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a computer, cause the computer to perform the carrier determination method as in the first aspect.
In a fourth aspect, a carrier determination apparatus includes: a processor and a memory. Wherein the memory is used for storing one or more programs, the one or more programs comprising computer executable instructions, and when the carrier determination apparatus is running, the processor executes the computer executable instructions stored by the memory to cause the carrier determination apparatus to perform the carrier determination method as in the first aspect.
In a fifth aspect, there is provided a computer program product containing instructions which, when run on a computer, cause the computer to perform the carrier determination method of the first aspect.
The carrier turn-off method and the carrier turn-off device provided by the embodiment of the invention are applied to energy conservation of a base station, improve the service performance of a network on the premise of reducing the energy consumption of the base station to the maximum extent, avoid the problem of error turn-off by setting a reasonable first threshold value and improve the accuracy of carrier turn-off. In the invention, in order to ensure that the performance of the wireless communication network is not influenced after the carrier is turned off, when the carrier to be turned off is determined, parameters of the service performance of the carrier, such as carrier bandwidth, carrier frequency, service rate or service connection delay, and the like, are used as factors influencing the turn-off priority of the carrier, the carrier with poor service performance is turned off preferentially, and the carrier with good service performance or the carrier which cannot be turned off is reserved. Therefore, by adopting the technical scheme, the invention can determine at least one base station to be turned off according to the combination of the turn-off priority and the traffic of each common coverage carrier, and can improve the network performance of the multi-carrier common coverage area while saving the energy consumption of the base station. And further, the network performance of the multi-carrier common coverage area is improved while the carrier is switched off.
Drawings
Fig. 1 is a schematic structural diagram of a communication system according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a carrier determination method according to an embodiment of the present invention;
fig. 3 is a first flowchart illustrating a carrier determination method according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a carrier determination method according to an embodiment of the present invention;
fig. 5 is a third flowchart illustrating a carrier determination method according to an embodiment of the present invention;
fig. 6 is a flowchart illustrating a carrier determination method according to a fourth embodiment of the present invention;
fig. 7 is a flowchart illustrating a carrier determination method according to a fifth embodiment of the present invention;
fig. 8 is a sixth flowchart of a carrier determination method according to an embodiment of the present invention;
fig. 9 is a first schematic structural diagram of a carrier determination apparatus according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a carrier determination apparatus according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a carrier determination apparatus according to a third embodiment of the present invention;
fig. 12 is a schematic structural diagram of a carrier determination apparatus according to a fourth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, "/" means "or" unless otherwise specified, for example, a/B may mean a or B. "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. Further, "at least one" or "a plurality" means two or more. The terms "first", "second", and the like do not necessarily limit the number and execution order, and the terms "first", "second", and the like do not necessarily limit the difference.
The embodiment of the invention provides a carrier wave determining method, which is used for determining the turn-off priority of each carrier wave according to the performance parameters of each common coverage carrier wave in a plurality of common coverage carrier waves, and further determining the carrier wave needing to be turned off from the plurality of common coverage carrier waves according to the service load parameters and the turn-off priority of each carrier wave so as to realize the accuracy of the result of determining the carrier wave to be turned off.
The carrier wave determining method provided by the embodiment of the invention can be applied to a communication system. Fig. 1 shows a schematic structural diagram of the communication system. As shown in fig. 1, a communication system 10 includes a carrier determining apparatus 11 and a plurality of base stations (as in fig. 1, the plurality of base stations includes a base station 12, a base station 13, and a base station 14, which are only exemplarily shown as three base stations, and there may be more or fewer base stations in the specific implementation, and for convenience of description, the base station 12 is taken as an example in the following description of the embodiment of the present invention. The carrier determination device 11 is connected to a plurality of base stations, respectively. The carrier determining apparatus 11 and each base station may be connected in a wired manner or in a wireless manner, which is not limited in the embodiment of the present invention.
The carrier determining device 11 may be configured to perform data interaction with the base station 12, for example, the carrier determining device may acquire, in the base station 12, traffic load or other performance parameters (e.g., carrier frequency, carrier bandwidth, etc.) of a carrier of the base station 12, and send an identifier of a carrier to be turned off to the base station 12.
The base station 12 may be configured to obtain traffic load or other performance parameters of the carrier, and send the traffic load or other performance parameters to the carrier determining apparatus 11. The base station 12 may also be configured to turn on or off the carrier, and may also be configured to migrate services in the carrier to be turned off.
For example, the base station 12 may be a 5G base station, and the base station 12 may also be an LTE base station, which is not limited in this embodiment of the present invention.
It should be noted that the carrier determining apparatus 11 and each base station may be independent devices, or may be integrated in any base station, which is not limited in the present invention.
When the carrier determining device 11 is integrated in any one base station, the communication mode between the carrier determining device 11 and the base station where the carrier determining device 11 is located is the communication between the internal modules of the base station. The communication method between the carrier determination device 11 and another base station is a communication flow between the base station and the base station. In this case, the communication flow between the carrier identifying device 11 and the base station and the communication flow between the base station and the base station are the same as "the communication flow between the carrier identifying device 11 and the base station 12 when they are independent of each other".
In the following embodiments provided by the present invention, the present invention is described by taking an example in which the carrier determining apparatus 11 and the base station 12 are set independently of each other.
The principle of the carrier determination method provided by the embodiment of the present invention is described below with reference to the communication system 10 shown in fig. 1.
As shown in fig. 2, the carrier identification device 11 identifies carriers in each base station from a plurality of base stations (taking the base station 12 and the base station 13 as an example), and identifies a plurality of common coverage carriers from the identified carriers. Further, the carrier determining apparatus 11 obtains the service parameter of each common coverage carrier and the performance parameter of each common coverage carrier from the base station corresponding to each common coverage carrier, and determines the turn-off priority of each common coverage carrier. Subsequently, the carrier determining device 11 determines the carriers to be turned off that meet the requirements from the multiple common coverage carriers according to the service parameters and the turn-off priority of each common coverage carrier, so that the performance of the wireless communication network can be guaranteed while the energy consumption of the base station is saved.
The carrier determination method provided by the embodiment of the present invention is described below with reference to the drawings.
As shown in fig. 3, a carrier determination method provided in an embodiment of the present invention includes the following steps S201 to S204.
S201, the carrier determining device 11 determines a plurality of common coverage carriers.
Wherein the plurality of common coverage carriers have the same coverage area.
As a possible implementation manner, the carrier determining apparatus 11 may determine a plurality of carriers from a plurality of base stations in a preset area, and determine a plurality of common coverage carriers having the same coverage area from the plurality of carriers.
The plurality of common coverage carriers determined by the carrier determining apparatus 11 may be located in the same base station or may be located in different base stations. The common coverage carrier determined by the carrier determining device 11 may be a carrier of the same network system, or a carrier of different network systems.
In one case, the carrier determining means 11 determines that the obtained common coverage does not include the dedicated carrier in each base station. The dedicated carrier includes a non-turn-off carrier and a carrier of non-migratable service.
For example, if only one carrier in a communication network is used to carry voice traffic, the carrier is a non-turn-off carrier. If there is a carrier for customized services to an industrial user (e.g., smart factory, government enterprise campus, etc.), no new services can be added to the carrier, and the carrier is a carrier for non-migratable services.
S202, the carrier determining device 11 determines the turn-off priority of the multiple common coverage carriers.
Wherein the turn-off priority of the first carrier is related to at least one parameter of the service load, the carrier bandwidth, the carrier frequency, the service rate and the service connection delay of one common coverage carrier. The first carrier is any one of a plurality of co-covering carriers.
As a possible implementation manner, the carrier determining device 11 calculates the turn-off priority of the first carrier according to one or more parameters of the traffic load, the carrier bandwidth, the carrier frequency, the traffic rate, and the traffic continuation delay of the first carrier.
It should be noted that, the turn-off priority of the first carrier is in negative correlation with the service load and the carrier bandwidth of the first carrier, and the turn-off priority of the first carrier is in positive correlation with the carrier frequency, the service rate and the service connection delay of the first carrier.
It can be understood that the greater the turn-off priority of the first carrier, the easier it is to determine the first carrier as the carrier to be turned off.
S203, the carrier determining apparatus 11 obtains an average traffic load of the first carrier in the first statistical period.
As a possible implementation manner, the carrier determining apparatus 11 may obtain, from the base station where the first carrier is located, an average traffic load of the first carrier in the first statistical period.
It should be noted that the first statistical period may be set in the carrier determination apparatus 11 in advance by an operation and maintenance person of the communication system.
For example, the carrier determining apparatus 11 sends a first request message to a base station where a first carrier is located, where the first request message includes an identifier of the first carrier, and the first request message is used to request to obtain an average service load of the first carrier in a first statistical period.
Accordingly, the base station sends the average traffic load of the first carrier in the first statistical period to the carrier determining apparatus 11 in response to the first request message.
It should be noted that the average traffic load of the first carrier may be calculated by the first base station after counting the traffic load of each carrier, or may be calculated by each base station sending the traffic load of each carrier to the carrier determining device 11 and the carrier determining device 11. The duration of the first statistical period may be set in the carrier determination device 11 by an operation and maintenance person in advance.
In this step, the average service load in the first statistical period is calculated according to the service load of the first carrier in the first statistical period, which may refer to the prior art and is not described herein again.
It should be noted that in the foregoing S202 and S203 provided in the embodiment of the present invention, in an actual application process, the carrier determining apparatus 11 may execute S202 first and then execute S203; or executing S203 first and then executing S202; s202 and S203 may also be performed simultaneously.
S204, the carrier determining device 11 determines that the average service load of the multiple common coverage carriers is less than or equal to the first threshold, and the carrier with the turn-off priority greater than the second threshold is the carrier to be turned off.
As a possible implementation manner, the carrier determining apparatus 11 determines whether the average traffic load of each common coverage carrier is less than or equal to a first threshold, and whether the turn-off priority is greater than a second threshold.
Further, if the average service load of any one of the common coverage carriers in the first statistical period is less than or equal to the first threshold and the turn-off priority of the any one of the common coverage carriers is greater than the second threshold, determining that the any one of the common coverage carriers is the carrier to be turned off.
Note that the first threshold value and the second threshold value may be set in the carrier determination device 11 by an operation and maintenance person in advance. The first threshold and the second threshold may also be calculated by the carrier determining apparatus 11 according to the traffic volume and the performance parameter of each carrier.
In one design, in order to determine multiple co-coverage carriers, with reference to fig. 3, as shown in fig. 4, S201 provided in the embodiment of the present invention may include the following S2011-S2014.
S2011, the carrier determining apparatus 11 obtains the measurement report received by the base station in the preset area in the second statistical period.
As a possible implementation manner, the carrier determining apparatus 11 sends the second request message to the base stations in the preset area. The second request message includes a second statistical period, and the second request message is used for acquiring a measurement report received by the base station in the preset area in the second statistical period.
Accordingly, the base station receiving the second request message transmits the measurement report received by the base station in the second statistical period to the carrier determination device 11 in response to the second request message.
It should be noted that the second statistical period may be set in the carrier determination device 11 in advance by an operation and maintenance person. To ensure the accuracy of determining the multiple common coverage carriers, the second statistical period may be equal to a period for reporting a measurement report by a User Equipment (UE).
S2012, the carrier wave specifying device 11 specifies a target measurement report from the acquired measurement reports.
The target measurement report comprises at least two target carriers, and the difference value between the signal qualities of any two target carriers in the target measurement report is less than or equal to a third threshold value.
As a possible implementation, the carrier determining means 11 calculates the difference in signal quality between any two carriers in each measurement report in the measurement report.
If there is a difference in the measurement report between the signal qualities of any two carriers that is less than or equal to the third threshold, the carrier determining device 11 determines that the any two carriers belong to the at least two target carriers, and the carrier determining device 11 determines that the measurement report including the at least two target carriers is a target measurement report.
It should be noted that the third threshold may be set in the carrier determination device 11 by an operation and maintenance person in advance.
S2013, the carrier determining device 11 determines whether the number of target measurement reports is greater than a fourth threshold.
It should be noted that the fourth threshold may be set in the carrier determination device 11 by an operation and maintenance person in advance.
S2014, if it is determined that the number of the target measurement reports in the acquired measurement reports is greater than the fourth threshold, the carrier determining device 11 determines that at least two target carriers included in the target measurement reports are the multiple common coverage carriers.
As a possible implementation manner, if the number of target measurement reports is greater than the fourth threshold, it is determined that any two target carriers of the at least two target carriers are mutually common coverage carriers.
For example, in two carriers determined by the carrier determining device 11 as the co-coverage carriers, if the carrier 1 and the carrier 2 are the co-coverage carriers, the carrier 2 and the carrier 3 are the co-coverage carriers, and the carrier 3 and the carrier 4 are the co-coverage carriers, the carrier determining device 11 may determine that the carrier 1, the carrier 2, the carrier 3, and the carrier 4 belong to a plurality of co-coverage carriers.
When the second statistical period is equal to a period for reporting the measurement report by the UE, any two carriers in the multiple co-coverage carriers may further satisfy the following condition: the difference between the signal qualities of any two carriers in the same measurement report is less than or equal to a third threshold, and the number of the same measurement report in a second statistic is greater than the fourth threshold.
In another design, in order to determine multiple co-coverage carriers, S201 provided in the embodiment of the present invention may further include S2015-S2017:
s2015, the carrier determining apparatus 11 obtains the number of times of switching between the plurality of carriers in the second statistical period.
As a possible implementation manner, the carrier determining apparatus 11 sends a third request message to each base station, where the third request message includes a duration of a second statistical period, and the third request message is used to request a number of times that a carrier under each base station is switched with other carriers in the second statistical period.
It should be noted that each base station stores the switching time and the switching times between each carrier and another carrier (including any carrier under the base station and any carrier under another base station) under the base station.
Correspondingly, the base station receiving the third request message sends the number of times of switching between each carrier and other carriers in the second statistical period to the carrier determining device 11 in response to the third request message.
S2016, the carrier determining device 11 determines that the two carriers with the number of times of handover occurring in the second statistical period being greater than the five threshold are mutually co-covered carriers.
As a possible implementation manner, the carrier determining device 11 determines whether the number of times that any two carriers are switched in the second statistical period is greater than a fifth threshold.
And if the switching times of the any two carriers in the second statistical period are greater than a fifth threshold, determining that the any two carriers are mutually covered carriers.
S2017, the carrier determining apparatus 11 determines a plurality of co-coverage carriers according to the determined mutually co-coverage carriers.
It should be noted that, in the above S2012, "determine a plurality of common coverage carriers according to the determined plurality of groups of two carriers that are common coverage carriers to each other", which is not described herein again.
In a third design, on the basis that the embodiment of the present invention shows the above two methods for determining multiple co-coverage carriers, in practical application, the embodiment of the present invention may also combine the two methods to make any two carriers of the multiple co-coverage carriers that are determined to meet the following conditions: the difference between the signal qualities of any two carriers in the same measurement report is less than or equal to a third threshold, the number of the user terminals UE corresponding to the same measurement report is greater than a fourth threshold, and the switching times of any two carriers in a second statistical period is greater than a fifth threshold.
It can be understood that, by adopting the third design, the embodiment of the present invention can make the determined multiple common coverage carriers more accurate, and further can improve the accuracy of determining the carriers to be turned off.
In this embodiment of the present invention, in order to determine the turn-off priority of each co-coverage carrier, as shown in fig. 5 in conjunction with fig. 3, S202 provided in this embodiment of the present invention may specifically include the following S2021-S2022.
S2021, the carrier determining device 11 obtains a calculation factor of the first carrier in the first statistical period and a carrier weight of the first carrier.
The first carrier is any one of a plurality of common coverage carriers, the calculation factor includes at least one of a service load factor, a frequency band factor, a bandwidth factor, a service rate factor and a service connection delay factor of the first carrier, the load factor is used for reflecting the occupation ratio of the service volume of the first carrier in the sum of the service volumes of the plurality of common coverage carriers, the frequency band factor is used for reflecting the coverage capacity of the first carrier, the bandwidth factor is used for reflecting the capacity bearing capacity of the first carrier, the service rate factor is used for reflecting the service transmission capacity of the first carrier, the service connection delay factor is used for reflecting the delay performance of the first carrier, and the carrier weight is used for reflecting the relative importance degree of the first carrier in the plurality of common coverage carriers.
As a possible implementation manner, the carrier determining apparatus 11 sends a fourth request message to each base station, where the fourth request message includes an identifier of each co-coverage carrier and a duration of the first statistical period, and the fourth request message is used to obtain an average service load of each co-coverage carrier in the first statistical period, a carrier bandwidth of each co-coverage carrier, a carrier frequency of each co-coverage carrier, an average service rate of each co-coverage carrier in the first statistical period, a service connection delay of each co-coverage carrier, and a carrier weight of each co-coverage carrier.
Accordingly, after receiving the fourth request message, each base station sends the above parameters of the carriers under each base station and the carrier weights to the carrier determining apparatus 11 in response to the fourth request message.
It should be noted that the average traffic load of each common coverage carrier may be calculated by the base station where each common coverage carrier is located after counting the traffic load of the common coverage carrier in the first statistical period, or may be calculated by the base station where each common coverage carrier is located sending the traffic load of the common coverage carrier in the first statistical period to the carrier determining device 11 and calculating by the carrier determining device 11. The traffic load of each carrier can be represented by one or more indices such as the number of Radio Resource Control (RRC) connections, traffic flow, and throughput of the load.
The carrier weight of each common coverage may be set in advance in each base station by an operation and maintenance person in consideration of the terminal permeability of the frequency band/network system corresponding to the carrier, the priority of different frequency bands/network systems, whether the carrier is a non-dependent Networking (NSA) anchor carrier, the type of service being carried, and other factors.
For example, for the above-mentioned dedicated carrier, the carrier weight of the dedicated carrier may be set to 0. For the carrier corresponding to the frequency band/network type with higher terminal permeability, the carrier corresponding to the frequency band/network type with higher priority, and the anchor carrier in the NSA networking, the carrier weight may be set to 1. For carriers other than the above, the carrier weight may be set to a value greater than 1.
Further, after receiving the service load, the carrier bandwidth, the carrier frequency, the service rate, the service connection delay, and the carrier weight of each common coverage carrier, the carrier determining apparatus 11 performs the following operations:
firstly, the carrier determining device 11 determines the traffic load factor of the first carrier according to the traffic load of each common coverage carrier.
The service load factor of the first carrier is the ratio of the sum of the average service loads of all the co-coverage carriers to the service load of the first carrier in the first statistical period.
It can be appreciated that the traffic load factor of the first carrier decreases as the traffic volume of the first carrier increases within the first statistical period.
Secondly, the carrier determining device 11 determines the bandwidth factor of the first carrier according to the carrier bandwidth of the first carrier.
Wherein the bandwidth factor of the first carrier decreases as the carrier bandwidth of the first carrier increases.
Illustratively, the bandwidth factor (MHz) of the first carrier may satisfy the following formula one:
bandwidth factor of first carrier 1/carrier bandwidth formula of first carrier
It should be noted that the carrier bandwidth of the first carrier may be an operating bandwidth of the first carrier.
It can be understood that the smaller the carrier bandwidth of the first carrier, the less the physical radio resources for transmitting the traffic are, the smaller the capacity carried by the first carrier, the larger the bandwidth factor of the first carrier is.
Thirdly, the carrier determining device 11 determines the frequency factor of the first carrier according to the carrier frequency of the first carrier.
Wherein the frequency factor of the first carrier increases with increasing carrier frequency of the first frequency.
Illustratively, the frequency factor of the first carrier is equal to the carrier frequency of the first carrier.
It should be noted that the carrier frequency of the first carrier may be a carrier center frequency of the first carrier.
Fourthly, the carrier wave determining device 11 determines the service rate factor of the first carrier wave according to the average service rate of each common coverage carrier wave.
Wherein the traffic rate factor of the first carrier decreases as the average traffic rate of the first carrier increases.
For example, the traffic rate factor of the first carrier may be a ratio of a sum of average traffic rates of the plurality of co-coverage carriers in the first statistical period to an average traffic rate of the first carrier in the first statistical period.
It should be noted that the average traffic rate of each co-coverage carrier may be a sum of an uplink average rate and a downlink average rate of the carrier in the first statistic period.
And fifthly, the carrier wave determining device 11 determines the service connection delay factor of the first carrier wave according to the service connection delay of the first carrier wave.
And the service connection delay factor of the first carrier increases along with the increase of the service connection delay of the first carrier.
Illustratively, the traffic connection delay factor (ms) of the first carrier may be the traffic connection delay of the first carrier.
It should be noted that the service continuation delay of the first carrier may be an average value of the delays established for all services of the first carrier in the first statistical period. The service establishment delay is a time difference between the process of initiating a service request on a carrier by User Equipment (UE) and the process of establishing a service connection.
The embodiment of the present invention does not limit the sequence of the first action to the fifth action. In practical applications, the actions one to five may be performed simultaneously, or may be performed randomly or according to a preset sequence.
S2022, the carrier determining device 11 calculates a turn-off priority of the first carrier according to the calculation factor and the carrier weight.
As a possible implementation manner, the carrier determining apparatus 11 determines the obtained carrier weight of the first carrier, and the carrier weight satisfies the following formula two:
k＝(λ1×α1+λ2×α2+λ3×α3+λ4×α4+λ5×α5) Beta formula two
Where k is the turn-off priority of the first carrier, α1Is the traffic load factor, lambda, of the first carrier1A weighting factor, alpha, corresponding to the traffic load factor of the first carrier2Is the frequency band factor, lambda, of the first carrier2Is a weighting coefficient, alpha, corresponding to a band factor of the first carrier3Is the bandwidth factor, lambda, of the first carrier3Weighting factor, alpha, corresponding to the bandwidth factor of the first carrier4Is the traffic rate factor, lambda, of the first carrier4A weighting factor, alpha, corresponding to a traffic rate factor of the first carrier5Is the service connection delay factor, lambda, of the first carrier5Is the weighting coefficient corresponding to the service connection delay factor of the first carrier, beta is the carrier weight of the first carrier, and lambda is1+λ2+λ3+λ4+λ5＝1。
It should be noted that the above embodiment of the present invention has been described by taking a case where "the shutdown priority is calculated according to all parameters of the traffic load, the carrier bandwidth, the carrier frequency, the traffic rate, and the traffic connection delay of the carrier" as an example. In practical application of the present invention, when the carrier determining device 11 determines the shutdown priority of the first carrier, it may also perform calculation according to some of the performance parameters. The specific implementation manner may refer to the implementation manner that the turn-off priority is calculated according to all parameters in the service load, the carrier bandwidth, the carrier frequency, the service rate, and the service connection delay of the carrier, and details are not described here.
In one design, to improve the accuracy of determining the carriers to be turned off, the carrier determining apparatus 11 may further determine a first threshold for each common coverage carrier according to the traffic parameters of the carriers. As shown in fig. 6, the carrier determination method provided in the embodiment of the present invention further includes the following steps S301 to S302.
S301, the carrier determining apparatus 11 obtains a plurality of instantaneous values of the traffic load of the first carrier in the first statistical period.
The first carrier is any one of a plurality of common coverage carriers.
As a possible implementation manner, the carrier determining apparatus 11 sends a fifth request message to the base station where the first carrier is located, where the fifth request message includes an identifier of the first carrier and a plurality of statistical times in the first statistical period, and the fifth request message is used to request to acquire a traffic load instantaneous value of a traffic in the first carrier at each statistical time.
It should be noted that the traffic in the first carrier is all traffic in the first carrier. The plurality of statistical times in the first statistical period may be a plurality of statistical times with the same time interval, and the time interval may be set in advance in the carrier device 11 by an operation and maintenance person.
Correspondingly, the base station where the first carrier is located responds to the fifth request message, acquires a plurality of service load instantaneous values of the first carrier in the first statistical period, and sends the plurality of service load instantaneous values of the first carrier in the first statistical period to the carrier determining device.
S302, the carrier determining apparatus 11 determines a first threshold corresponding to the first carrier from the plurality of traffic load instantaneous values by using the cumulative distribution function.
Wherein, the probability that any one of the plurality of traffic load instantaneous values is smaller than or equal to the first threshold corresponding to the first carrier is a sixth threshold, and one of the plurality of common coverage carriers corresponds to one first threshold.
As a possible implementation manner, the carrier determining apparatus determines, according to the traffic load instantaneous values of the first carrier, an accumulated probability distribution of each traffic load instantaneous value, and further determines that when the probability that any one of the traffic load instantaneous values falls within a certain range is a sixth threshold, the traffic load instantaneous value corresponding to the any one of the traffic load instantaneous values is the first threshold.
It should be noted that the sixth threshold may be set in the carrier determination device 11 by an operation and maintenance person in advance.
Illustratively, the sixth threshold may be 0.95.
It can be understood that the present invention sets differentiated turn-off thresholds for different carriers, that is, calculates corresponding first thresholds for different carriers based on respective service load conditions, so that the first thresholds are dynamically matched with the actual service load conditions of the carriers, thereby improving the accuracy of the turn-off thresholds of the carriers and further improving the accuracy of the turn-off of the carriers.
In a design, in order to accurately determine the second threshold and further determine the carrier to be turned off, and in order to enable services in the carrier to be turned off to be successfully migrated outward to ensure that the services are not dropped, referring to fig. 3, as shown in fig. 7, S204 provided in the embodiment of the present invention specifically includes S2041 to S2045:
s2041, the carrier determining device 11 determines at least one current first candidate carrier from the plurality of common coverage carriers.
And the average service load of the first candidate carrier in the first statistic period is less than or equal to a first threshold corresponding to the first candidate carrier.
As a possible implementation manner, the carrier determining device 11 determines whether an average traffic load of each co-coverage carrier in the first statistical period is less than or equal to a first threshold corresponding to the co-coverage carrier.
Further, if yes, the carrier determining device 11 determines that the common coverage carrier is the first candidate carrier.
It should be noted that, when the dedicated carriers are included in the multiple common coverage carriers, the turn-off priority of the first candidate carrier is not 0, that is, the carrier determining device 11 determines that at least one current first candidate carrier does not include a dedicated carrier.
It is to be understood that the off priority of the first candidate carrier is set to be other than 0, i.e. the dedicated carrier may be dropped from the first candidate carrier.
S2042, the carrier determining device 11 determines at least one current second candidate carrier from the plurality of common coverage carriers.
The at least one current second candidate carrier is a carrier except for the at least one current first candidate carrier in the plurality of co-coverage carriers, and the available capacity of any carrier in the at least one current second candidate carrier is greater than a seventh threshold.
As a possible implementation manner, the carrier determining means 11 determines carriers except at least one current first candidate carrier in a plurality of common coverage, and determines the available capacity of each of the above determined carriers.
In one case, the carrier determining device 11 may obtain the available capacity of the carrier from the base station where the carrier is located.
It should be noted that, in the embodiment of this step, the available capacity of one carrier is used to reflect the load sharing capability of one carrier, and the larger the available capacity is, the stronger the load sharing capability of the carrier is, the larger the number of services that can be admitted is. The available capacity of a carrier may be a difference between a maximum traffic load of the carrier and an average traffic load of the carrier over the first statistical period.
The maximum service load of a carrier is the maximum capacity carrying capacity that the physical radio resource of the carrier can support, and is related to the bandwidth, network standard, and air interface transmission mode of the carrier.
On the other hand, the maximum traffic load of a carrier may also be the maximum traffic load allowed to access the carrier, which is set in the base station by the operation and maintenance personnel in advance. In this case, in order to ensure the stability of the carrier and avoid the reduction of the carrying capacity of the carrier, the preset maximum traffic load for the carrier may be smaller than the maximum capacity carrying capacity.
Subsequently, the carrier determining device 11 determines, according to the acquired available capacity of each of the co-coverage carriers except the first candidate carrier in the multiple co-coverage carriers, that the carrier whose available capacity is greater than the seventh threshold is at least one current second candidate carrier.
It should be noted that the seventh threshold may be set in the carrier determination device 11 by an operation and maintenance person in advance.
It should be noted that, when the dedicated carrier is included in the multiple common coverage carriers, that is, the carrier determining device 11 determines that at least one current second candidate carrier does not include the dedicated carrier.
It is understood that the carrier determining device 11 sets the off priority of the second candidate carrier to be other than 0, i.e. the dedicated carrier may be removed from the second candidate carrier. The at least one current second candidate carrier does not include the dedicated carrier, which can avoid failure in subsequently migrating the service in the carrier to be shut down.
S2043, the carrier determining device 11 determines whether the sum of the average traffic loads of the at least one current first candidate carrier in the first statistical period is less than or equal to the sum of the available capacities of the at least one current second candidate carrier.
As a possible implementation manner, the carrier determining means 11 calculates the sum of the average traffic loads of at least one current first candidate carrier in the first statistical period and the sum of the available capacities of at least one current second candidate carrier, and determines the magnitudes of the two results obtained by the calculation.
S2044, in case that the sum of the average traffic loads of the at least one current first candidate carrier in the first statistical period is less than or equal to the sum of the available capacities of the at least one current second candidate carrier, the carrier determining apparatus 11 determines the turn-off priority of the second candidate carrier with the highest turn-off priority among the at least one current second candidate carrier to be the second threshold.
It can be understood that the above situation indicates that all services in at least one current first candidate carrier may be migrated into at least one current second candidate carrier, then the turn-off priority of the second candidate carrier with the highest turn-off priority in the at least one current second candidate carrier may be the above second threshold, and further it may be determined that the average traffic load is less than or equal to the first threshold, and the carrier with the turn-off priority greater than the second threshold is the carrier to be turned off. Optionally, in the process of determining the second threshold, in a case that a sum of average traffic loads of the at least one current first candidate carrier in the first statistical period is less than or equal to a sum of available capacities of the at least one current second candidate carrier, the carrier determining apparatus 11 may determine a carrier of the at least one current first candidate carrier as the carrier to be turned off.
It can be understood that the above situation indicates that all services in at least one current first candidate carrier may be migrated into at least one current second candidate carrier, and then the carrier in the at least one current first candidate carrier may be turned off as the carrier to be turned off.
In one case, in a case that a sum of average traffic loads of the at least one current first candidate carrier in the first statistical period is less than or equal to a sum of available capacities of the at least one current second candidate carrier, the carrier determining device 11 may determine all carriers in the at least one current first candidate carrier as carriers to be turned off, so as to achieve the effect of saving energy.
S2045, in case that the sum of the average traffic loads of the at least one current first candidate carrier in the first statistical period is greater than the sum of the available capacities of the at least one current second candidate carrier, the carrier determining apparatus 11 adjusts the target candidate carrier from the at least one current first candidate carrier to the at least one current second candidate carrier.
The target candidate carrier is a carrier with the lowest turn-off priority in at least one current first candidate carrier.
As a possible implementation manner, the carrier determining apparatus 11 obtains the shutdown priority of each carrier in at least one current first candidate carrier, and determines the target candidate carrier from the at least one current first candidate carrier according to the shutdown priority of each carrier.
Further, the carrier determining device 11 adjusts the target candidate carrier from at least one current first candidate carrier to at least one current second candidate carrier to make a new determination whether the sum of average traffic loads of the at least one current first candidate carrier in the first statistical period is less than or equal to the sum of available capacities of the at least one current second candidate carrier.
It should be noted that, as a subsequent action, the carrier determining device 11 may continue to perform S2043 after performing S2045 until the sum of the average traffic loads of the at least one current first candidate carrier in the first statistical period is less than or equal to the sum of the available capacities of the at least one current second candidate carrier.
It may be understood that, in the case that the traffic in the at least one current first candidate carrier cannot be completely migrated, the at least one current first candidate carrier and the at least one current second candidate carrier may be re-determined, and it may be determined whether the at least one current first candidate carrier may be determined as the carrier to be turned off again.
In one design, after determining a carrier to be turned off, when migrating a service in the carrier to be turned off, in order to ensure that the migrated service can be migrated normally and that a carrier receiving the migrated service can meet a load requirement, as shown in fig. 8 in combination with fig. 3, the method for determining a carrier according to the embodiment of the present invention further includes, S401 to S404:
s401, in a case that a sum of average traffic loads of the at least one current first candidate carrier in the first statistical period is less than or equal to a sum of available capacities of the at least one current second candidate carrier, the carrier determining apparatus 11 determines a carrier of the at least one current second candidate carrier as the at least one target migration carrier.
It can be understood that each target migration carrier of the at least one target migration carrier is used for receiving the traffic in the carrier to be turned off.
S402, the carrier determining apparatus 11 calculates a load sharing ratio of each target migration carrier.
The load sharing proportion of one target migration carrier is the ratio of the available capacity of the target migration carrier to the sum of the available capacities of at least one target migration carrier.
In a possible implementation manner, the carrier determining apparatus determines a sum of available capacities of at least one target migration carrier, and calculates a ratio of the available capacity of any one target migration carrier to the sum of the available capacities of at least one target migration carrier, so as to obtain the load sharing ratio of any one target migration carrier.
It can be understood that, in at least one target migration carrier, the sum of the load sharing ratios of each target migration carrier is 1.
S403, the carrier determination device 11 generates an instruction message.
The indication message is used for indicating that the service in the carrier to be shut down is migrated to at least one target migration carrier according to the load sharing proportion. The indication message includes an identifier of the carrier to be turned off, an identifier of each target migration carrier, and a load sharing ratio of each target migration carrier.
S404, the carrier determination device 11 sends an instruction message.
As a possible implementation manner, the carrier determining apparatus 11 sends an indication message to the base station where the carrier to be turned off is located.
Correspondingly, after receiving the indication message, the base station migrates the services in the carriers to be turned off to each target migration carrier according to the load sharing proportion of each target migration carrier until the services in all the carriers to be turned off are migrated.
Illustratively, in at least one target migration carrier, the load sharing ratio of the 1 st target migration carrier is 0.3, and the load sharing ratio of the 2 nd target migration carrier is 0.7, then the base station migrates thirty percent of the services in the carriers to be turned off into the 1 st target migration carrier, and migrates even seventy percent of the services in the carriers to be turned off into the 2 nd target migration carrier.
It should be noted that, for a specific implementation method in which the base station migrates part of the services in the carriers to be turned off to the target migration carrier, reference may be made to the prior art, and details are not described here again.
It can be understood that, the base station migrates the services in the carriers to be turned off according to the proportion by adopting the method, so that the services of the carriers to be turned off are kept in normal connection, the service connection in the carriers to be turned off is not influenced while the carriers are turned off and energy is saved, the service load in each target migration carrier can be ensured to be increased stably, and the service load in a certain target migration carrier is prevented from exceeding the maximum service load allowed by the target migration carrier.
In one case, the indication message is further configured to instruct to shut down the carrier to be shut down after migrating the service in the carrier to be shut down.
Correspondingly, the base station turns off the carrier to be turned off after receiving the indication message and transferring all services in the carrier to be turned off under the base station.
Compared with the prior art, the method can ensure the energy-saving effect of the base station and simultaneously consider that the performance of the communication network is not influenced.
The carrier turn-off method and device provided by the embodiment of the invention are applied to energy conservation of a base station, and can take the service performance of the carrier, such as carrier bandwidth, carrier frequency, service rate or service connection delay, and other parameters as factors influencing the turn-off priority of the carrier when determining the carrier to be turned off in order to ensure that the performance of a wireless communication network is not influenced after the carrier is turned off. Therefore, by adopting the technical scheme, the invention can determine at least one base station to be turned off according to the turn-off priority of each common coverage carrier and the combination of the traffic, and can ensure the performance of the wireless communication network while saving the energy consumption of the base station.
The scheme provided by the embodiment of the invention is mainly introduced from the perspective of a method. To implement the above functions, it includes hardware structures and/or software modules for performing the respective functions. Those of skill in the art will readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiment of the present invention, the carrier determination apparatus may be divided into the functional modules according to the method example, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. Optionally, the division of the modules in the embodiment of the present invention is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
Fig. 9 is a schematic structural diagram of a carrier determination apparatus according to an embodiment of the present invention. As shown in fig. 9, the carrier determining apparatus 11 is configured to determine a carrier to be turned off, for example, to execute the carrier determining method shown in fig. 3. The carrier determining apparatus 11 includes a determining unit 111 and an acquiring unit 112.
A determining unit 111, configured to determine a plurality of common coverage carriers. Wherein the plurality of common coverage carriers have the same coverage area. For example, as shown in fig. 3, the determining unit 111 may be configured to execute S201.
The determining unit 111 is further configured to determine a shutdown priority of the multiple common coverage carriers. Wherein the shutdown priority of the first carrier is related to at least one parameter of the traffic load, the carrier bandwidth, the carrier frequency, the traffic rate, and the traffic connection delay of the first carrier. The first carrier is any one of a plurality of co-covering carriers. For example, as shown in fig. 3, the determining unit 111 may be configured to execute S202.
An obtaining unit 112, configured to obtain an average traffic load of the first carrier in a first statistical period. For example, as shown in fig. 3, the obtaining unit 112 may be configured to execute S203.
The determining unit 111 is further configured to determine that, among the multiple common coverage carriers, the average traffic load is less than or equal to a first threshold, and a carrier with a turn-off priority greater than a second threshold is a carrier to be turned off. For example, as shown in fig. 3, the determining unit 111 may be configured to execute S204.
Optionally, as shown in fig. 9, the determining unit 111 provided in the embodiment of the present invention is specifically configured to obtain a measurement report received by a base station in a preset area in a second statistical period. For example, as shown in fig. 4, the determining unit 111 may be configured to perform S2011.
The determining unit 111 is further specifically configured to determine a target measurement report from the acquired measurement reports. The target measurement report comprises at least two target carriers, and the difference value between the signal qualities of any two target carriers in the target measurement report is less than or equal to a third threshold value. For example, as shown in fig. 4, the determining unit 111 may be configured to perform S2012.
The determining unit 111 is further specifically configured to determine that at least two target carriers included in the target measurement report are multiple common coverage carriers if it is determined that the number of the target measurement report in the acquired measurement reports is greater than the fourth threshold. For example, as shown in fig. 4, the determining unit 111 may be configured to perform S2014.
Optionally, as shown in fig. 9, the determining unit 111 provided in the embodiment of the present invention is specifically configured to obtain a calculation factor of the first carrier in the first statistical period and a carrier weight of the first carrier. The calculation factor includes at least one of a service load factor, a frequency band factor, a bandwidth factor, a service rate factor and a service connection delay factor of the first carrier, the load factor is used for reflecting the proportion of the service volume of the first carrier in the sum of the service volumes of the multiple co-coverage carriers, the frequency band factor is used for reflecting the coverage capability of the first carrier, the bandwidth factor is used for reflecting the capacity carrying capability of the first carrier, the service rate factor is used for reflecting the service transmission capability of the first carrier, the service connection delay factor is used for reflecting the delay performance of the first carrier, and the carrier weight is used for reflecting the relative importance degree of the first carrier in the multiple co-coverage carriers. For example, as shown in fig. 5, the determining unit 111 may be configured to perform S2021.
The determining unit 111 is further specifically configured to calculate a turn-off priority of the first carrier according to the calculation factor and the carrier weight. For example, as shown in fig. 5, the determining unit 111 may be configured to perform S2022.
Optionally, as shown in fig. 9, the obtaining unit 112 provided in the embodiment of the present invention is further configured to obtain a plurality of traffic load instantaneous values of the first carrier in the first statistical period. The first carrier is any one of a plurality of common coverage carriers. For example, as shown in fig. 6, the determining unit 111 may be configured to perform S301.
The determining unit 111 is further configured to determine, from the multiple traffic load instantaneous values, a first threshold corresponding to the first carrier by using the cumulative distribution function. Wherein, the probability that any one of the plurality of traffic load instantaneous values is smaller than or equal to the first threshold corresponding to the first carrier is a sixth threshold, and one of the plurality of common coverage carriers corresponds to one first threshold. For example, as shown in fig. 6, the determining unit 111 may be configured to perform S302.
Optionally, as shown in fig. 9, the determining unit 111 provided in this embodiment of the present invention is further configured to determine at least one current first candidate carrier from the multiple common coverage carriers, where an average traffic load of the first candidate carrier in the first statistical period is less than or equal to a first threshold corresponding to the first candidate carrier. For example, as shown in fig. 7, the determining unit 111 may be configured to perform S2041.
The determining unit 111 is further configured to determine at least one current second candidate carrier from the multiple co-coverage carriers, where the at least one current second candidate carrier is a carrier other than the at least one current first candidate carrier in the multiple co-coverage carriers, and an available capacity of any carrier in the at least one current second candidate carrier is greater than a seventh threshold. For example, as shown in fig. 7, the determining unit 111 may be configured to perform S2042.
The determining unit 111 is further configured to determine, when a sum of average traffic loads of the at least one current first candidate carrier in the first statistical period is less than or equal to a sum of available capacities of the at least one current second candidate carrier, an off priority of a second candidate carrier with a highest off priority among the at least one current second candidate carrier to be a second threshold. For example, as shown in fig. 7, the determining unit 111 may be configured to perform S2044.
The determining unit 111 is further configured to, in a case that a sum of average traffic loads of the at least one current first candidate carrier in the first statistical period is greater than a sum of available capacities of the at least one current second candidate carrier, adjust the target candidate carrier from the at least one current first candidate carrier to the at least one current second candidate carrier, where the target candidate carrier is a carrier with a lowest turn-off priority among the at least one current first candidate carrier. For example, as shown in fig. 7, the determining unit 111 may be configured to perform S2045.
Optionally, as shown in fig. 10, the carrier determining apparatus provided in the embodiment of the present invention further includes a calculating unit 1113 and a generating unit 114.
The determining unit 111 is further configured to determine a carrier of the at least one current second candidate carrier as the at least one target migration carrier if a sum of average traffic loads of the at least one current first candidate carrier in the first statistical period is less than or equal to a sum of available capacities of the at least one current second candidate carrier. For example, as shown in fig. 8, the determination unit 111 may be configured to perform S401.
A calculating unit 1113, configured to calculate a load sharing ratio of each target migration carrier, where the load sharing ratio of one target migration carrier is a ratio of an available capacity of the one target migration carrier to a sum of available capacities of at least one target migration carrier. For example, as shown in fig. 8, the computing unit 1113 may be configured to perform S402.
A generating unit 114, configured to generate an indication message, where the indication message is used to indicate that, according to the load sharing ratio, the service in the carrier to be turned off is migrated to at least one target migration carrier. For example, as shown in fig. 8, the generation unit 114 may be configured to perform S403.
In the case of implementing the functions of the integrated module in the form of hardware, the embodiment of the present invention provides another possible structural schematic diagram of the carrier determination apparatus in the above embodiment. As shown in fig. 11, a carrier determining apparatus 50 is used for determining a carrier to be turned off, for example, for executing the carrier determining method shown in fig. 3. The carrier determination apparatus 50 includes a processor 501, a memory 502 and a bus 503. The processor 501 and the memory 502 may be connected by a bus 503.
The processor 501 is a control center of the communication apparatus, and may be a single processor or a collective term for a plurality of processing elements. For example, the processor 501 may be a Central Processing Unit (CPU), other general-purpose processors, or the like. Wherein a general purpose processor may be a microprocessor or any conventional processor or the like.
For one embodiment, processor 501 may include one or more CPUs, such as CPU 0 and CPU 1 shown in FIG. 10.
The memory 502 may be, but is not limited to, a read-only memory (ROM) or other type of static storage device that may store static information and instructions, a Random Access Memory (RAM) or other type of dynamic storage device that may store information and instructions, an electrically erasable programmable read-only memory (EEPROM), a magnetic disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.
As a possible implementation, the memory 502 may be present separately from the processor 501, and the memory 502 may be connected to the processor 501 via a bus 504 for storing instructions or program code. The carrier determination method provided by the embodiment of the present invention can be implemented when the processor 501 calls and executes instructions or program codes stored in the memory 502.
In another possible implementation, the memory 502 may also be integrated with the processor 501.
The bus 503 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 11, but this is not intended to represent only one bus or type of bus.
It is to be noted that the configuration shown in fig. 11 does not constitute a limitation on the carrier determining apparatus 50. The carrier determination means 50 may comprise more or less components than those shown in fig. 11, or some components may be combined, or a different arrangement of components than those shown.
As an example, in conjunction with fig. 9, the functions implemented by the determination unit 111 and the acquisition unit 112 in the carrier determination apparatus are the same as those of the processor 501 in fig. 10.
Optionally, as shown in fig. 11, the carrier determination apparatus 50 provided in the embodiment of the present invention may further include a communication interface 504.
A communication interface 504 for connecting with other devices through a communication network. The communication network may be an ethernet network, a radio access network, a Wireless Local Area Network (WLAN), etc. The communication interface 504 may include a receiving unit for receiving data and a transmitting unit for transmitting data.
In one design, in the carrier determination apparatus provided in the embodiment of the present invention, the communication interface may be further integrated in the processor.
Fig. 12 shows another hardware configuration of the carrier determination apparatus in the embodiment of the present invention. As shown in fig. 12, carrier determination apparatus 60 may include a processor 601 and a communication interface 602. Processor 601 is coupled to a communication interface 602.
The functions of the processor 601 may refer to the description of the processor 501 above. The processor 601 also has a memory function, and the function of the memory 502 can be referred to.
The communication interface 602 is used to provide data to the processor 601. The communication interface 602 may be an internal interface of the communication device, or may be an external interface (corresponding to the communication interface 504) of the communication device.
It is to be noted that the configuration shown in fig. 11 does not constitute a limitation of the carrier determining means 60, and the carrier determining means 60 may include more or less components than those shown in fig. 12, or combine some components, or arrange different components, in addition to the components shown in fig. 12.
Through the above description of the embodiments, it is clear for a person skilled in the art that, for convenience and simplicity of description, only the division of the above functional units is illustrated. In practical applications, the above function allocation can be performed by different functional units according to needs, that is, the internal structure of the device is divided into different functional units to perform all or part of the above described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.
The embodiment of the present invention further provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are executed by a computer, the computer executes each step in the method flow shown in the above method embodiment.
Embodiments of the present invention provide a computer program product comprising instructions which, when run on a computer, cause the computer to perform the carrier determination method in the above-described method embodiments.
The computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, and a hard disk. Random Access Memory (RAM), Read-Only Memory (ROM), Erasable Programmable Read-Only Memory (EPROM), registers, a hard disk, an optical fiber, a portable Compact disk Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any other form of computer-readable storage medium, in any suitable combination, or as appropriate in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuit (ASIC). In embodiments of the invention, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
Since the carrier determining apparatus, the computer-readable storage medium, and the computer program product in the embodiments of the present invention may be applied to the method described above, for technical effects that can be obtained by the method, reference may also be made to the method embodiments described above, and details of the embodiments of the present invention are not repeated herein.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions within the technical scope of the present invention are intended to be covered by the scope of the present invention.

Claims (14)

1. A method for determining a carrier, comprising:
determining a plurality of common coverage carriers; wherein the plurality of common coverage carriers have the same coverage area;
determining a turn-off priority for the plurality of common coverage carriers; wherein, the turn-off priority of the first carrier is related to at least one parameter of the service load, the carrier bandwidth, the carrier frequency, the service rate and the service connection delay of the first carrier; the first carrier is any one of the plurality of co-covering carriers;
acquiring the average service load of the first carrier in a first statistic period;
and determining that the average service load in the plurality of common coverage carriers is less than or equal to a first threshold value, and the carriers with the turn-off priority greater than a second threshold value are carriers to be turned off.
2. The carrier determination method according to claim 1, wherein the determining the plurality of common coverage carriers specifically includes:
acquiring a measurement report received by a base station in a preset area in a second statistical period;
determining a target measurement report from the acquired measurement reports; the target measurement report comprises at least two target carriers, and the difference value between the signal qualities of any two target carriers in the at least two target carriers in the target measurement report is less than or equal to a third threshold value;
if it is determined that the number of the target measurement reports in the acquired measurement reports is greater than a fourth threshold, determining that at least two target carriers included in the target measurement reports are the multiple common coverage carriers.
3. The carrier determination method according to claim 1, wherein the determining the turn-off priority of each co-coverage carrier comprises:
acquiring a calculation factor of the first carrier in the first statistical period and a carrier weight of the first carrier; the calculation factor includes at least one of a traffic load factor, a frequency band factor, a bandwidth factor, a traffic rate factor, and a traffic connection delay factor of the first carrier, where the load factor is used to reflect a ratio of traffic of the first carrier to a sum of traffic of the multiple co-coverage carriers, the frequency band factor is used to reflect a coverage capability of the first carrier, the bandwidth factor is used to reflect a capacity carrying capability of the first carrier, the traffic rate factor is used to reflect a traffic transmission capability of the first carrier, the traffic connection delay factor is used to reflect a delay performance of the first carrier, and the carrier weight is used to reflect a relative importance degree of the first carrier in the multiple co-coverage carriers;
and calculating the turn-off priority of the first carrier according to the calculation factor and the carrier weight.
4. The carrier determination method according to claim 1, characterized in that the method further comprises:
acquiring a plurality of service load instantaneous values of the first carrier in the first statistic period; wherein;
determining a first threshold corresponding to the first carrier from the plurality of traffic load instantaneous values by using a cumulative distribution function; wherein, the probability that any one of the traffic load instantaneous values is smaller than or equal to the first threshold corresponding to the first carrier is a sixth threshold, and one of the common coverage carriers corresponds to one first threshold.
5. The carrier determination method according to any of claims 1-4, characterized in that the method further comprises:
determining at least one current first candidate carrier from the plurality of common coverage carriers, wherein an average traffic load of the first candidate carrier in the first statistical period is less than or equal to the first threshold corresponding to the first candidate carrier;
determining at least one current second candidate carrier from the plurality of co-coverage carriers, wherein the at least one current second candidate carrier is a carrier other than the at least one current first candidate carrier in the plurality of co-coverage carriers, and the available capacity of any one carrier in the at least one current second candidate carrier is greater than a seventh threshold;
determining the off priority of the second candidate carrier with the highest off priority among the at least one current second candidate carrier to be the second threshold value if the sum of the average traffic loads of the at least one current first candidate carrier in the first statistical period is less than or equal to the sum of the available capacities of the at least one current second candidate carrier;
and in the case that the sum of the average traffic loads of the at least one current first candidate carrier in the first statistical period is greater than the sum of the available capacities of the at least one current second candidate carrier, adjusting a target candidate carrier from the at least one current first candidate carrier to the at least one current second candidate carrier, wherein the target candidate carrier is the carrier with the lowest turn-off priority in the at least one current first candidate carrier.
6. The carrier determination method according to claim 5, characterized in that the method further comprises:
determining a carrier of the at least one current second candidate carrier as at least one target migration carrier if the sum of the average traffic loads of the at least one current first candidate carrier in the first statistical period is less than or equal to the sum of the available capacities of the at least one current second candidate carrier;
calculating the load sharing proportion of each target migration carrier, wherein the load sharing proportion of one target migration carrier is the ratio of the available capacity of the one target migration carrier to the sum of the available capacities of the at least one target migration carrier;
and generating an indication message, where the indication message is used to indicate that the service in the carrier to be turned off is migrated to the at least one target migration carrier according to the load sharing proportion.
7. A carrier wave determining device is characterized by comprising a determining unit and an acquiring unit;
the determining unit is configured to determine a plurality of common coverage carriers; wherein the plurality of common coverage carriers have the same coverage area;
the determining unit is further configured to determine a turn-off priority of the multiple common coverage carriers; wherein, the turn-off priority of the first carrier is related to at least one parameter of the service load, the carrier bandwidth, the carrier frequency, the service rate and the service connection delay of the first carrier; the first carrier is any one of the plurality of co-covering carriers;
the acquiring unit is configured to acquire an average service load of the first carrier in a first statistical period;
the determining unit is further configured to determine that an average traffic load of the multiple common coverage carriers is less than or equal to a first threshold, and the carrier with the turn-off priority greater than a second threshold is a carrier to be turned off.
8. The carrier determination apparatus according to claim 7, wherein the determining unit is specifically configured to obtain a measurement report received by a base station in a preset area within a second statistical period;
the determining unit is specifically further configured to determine a target measurement report from the acquired measurement reports; the target measurement report comprises at least two target carriers, and the difference value between the signal qualities of any two target carriers in the at least two target carriers in the target measurement report is less than or equal to a third threshold value;
the determining unit is specifically further configured to determine that at least two target carriers included in the target measurement report are the multiple common coverage carriers if it is determined that the number of the target measurement report in the acquired measurement report is greater than a fourth threshold.
9. The carrier determination apparatus according to claim 7, wherein the determining unit is specifically configured to obtain a calculation factor of the first carrier in the first statistical period and a carrier weight of the first carrier; the calculation factor includes at least one of a traffic load factor, a frequency band factor, a bandwidth factor, a traffic rate factor, and a traffic connection delay factor of the first carrier, where the load factor is used to reflect a ratio of traffic of the first carrier to a sum of traffic of the multiple co-coverage carriers, the frequency band factor is used to reflect a coverage capability of the first carrier, the bandwidth factor is used to reflect a capacity carrying capability of the first carrier, the traffic rate factor is used to reflect a traffic transmission capability of the first carrier, the traffic connection delay factor is used to reflect a delay performance of the first carrier, and the carrier weight is used to reflect a relative importance degree of the first carrier in the multiple co-coverage carriers;
the determining unit is specifically further configured to calculate a turn-off priority of the first carrier according to the calculation factor and the carrier weight.
10. The carrier determination apparatus according to claim 7, wherein the obtaining unit is further configured to obtain a plurality of instantaneous values of the traffic load of the first carrier in the first statistical period; wherein the first carrier is any one of the plurality of common coverage carriers;
the determining unit is further configured to determine, from the multiple traffic load instantaneous values, a first threshold corresponding to the first carrier by using a cumulative distribution function; wherein, the probability that any one of the traffic load instantaneous values is smaller than or equal to the first threshold corresponding to the first carrier is a sixth threshold, and one of the common coverage carriers corresponds to one first threshold.
11. The carrier determination apparatus according to any of claims 7-10,
the determining unit is further configured to determine at least one current first candidate carrier from the multiple common coverage carriers, where an average traffic load of the first candidate carrier in the first statistical period is less than or equal to a first threshold corresponding to the first candidate carrier;
the determining unit is further configured to determine at least one current second candidate carrier from the multiple co-coverage carriers, where the at least one current second candidate carrier is a carrier other than the at least one current first candidate carrier in the multiple co-coverage carriers, and an available capacity of any carrier in the at least one current second candidate carrier is greater than a seventh threshold;
the determining unit is further configured to determine, in a case that a sum of average traffic loads of the at least one current first candidate carrier in the first statistical period is less than or equal to a sum of available capacities of the at least one current second candidate carrier, an off priority of a second candidate carrier with a highest off priority among the at least one current second candidate carrier to be the second threshold;
the determining unit is further configured to, in a case that a sum of average traffic loads of the at least one current first candidate carrier in the first statistical period is greater than a sum of available capacities of the at least one current second candidate carrier, adjust a target candidate carrier from the at least one current first candidate carrier to the at least one current second candidate carrier, where the target candidate carrier is a carrier with a lowest turn-off priority in the at least one current first candidate carrier.
12. The carrier determination apparatus according to claim 11, further comprising a calculation unit and a generation unit;
the determining unit is further configured to determine a carrier of the at least one current second candidate carrier as the at least one target migration carrier if a sum of average traffic loads of the at least one current first candidate carrier in the first statistical period is less than or equal to a sum of available capacities of the at least one current second candidate carrier;
the calculating unit is configured to calculate a load sharing ratio of each target migration carrier, where the load sharing ratio of one target migration carrier is a ratio of an available capacity of the one target migration carrier to a sum of available capacities of the at least one target migration carrier;
the generating unit is configured to generate an indication message, where the indication message is used to indicate that the service in the to-be-turned-off carrier is to be migrated to the at least one target migration carrier according to a load sharing ratio.
13. A computer-readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a computer, cause the computer to perform the carrier determination method of any of claims 1-6.
14. A carrier determination apparatus, comprising: a processor and a memory; wherein the memory is to store one or more programs, the one or more programs comprising computer-executable instructions that, when executed by the carrier determination apparatus, are executed by the processor to cause the carrier determination apparatus to perform the carrier determination method of any of claims 1-6.
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