CN114430555A - Network capacity expansion method, electronic equipment and storage medium - Google Patents

Network capacity expansion method, electronic equipment and storage medium Download PDF

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Publication number
CN114430555A
CN114430555A CN202011180043.4A CN202011180043A CN114430555A CN 114430555 A CN114430555 A CN 114430555A CN 202011180043 A CN202011180043 A CN 202011180043A CN 114430555 A CN114430555 A CN 114430555A
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cell
carrier frequency
sector
target carrier
ith
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CN114430555B (en
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王相锐
魏迪
孙尧
汤斌
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China Mobile Communications Group Co Ltd
China Mobile Group Liaoning Co Ltd
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China Mobile Communications Group Co Ltd
China Mobile Group Liaoning Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/18—Network planning tools
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Abstract

The application provides a network capacity expansion method, electronic equipment and a storage medium, and relates to the technical field of communication. The network capacity expansion method comprises the following steps: firstly, determining the sector to which each cell belongs according to the work parameter data of each cell. Then, the configuration data of each sector is calculated based on the first performance data of the cell included in each sector. Wherein the first performance data of the cell is obtained by converting the second performance data of the cell to the target carrier frequency. And finally, expanding the capacity of each sector according to the configuration data of each sector. Therefore, the conversion of the performance indexes of the cells in each frequency band in the sector is realized, the capacity of the sector is accurately evaluated, and the capacity expansion efficiency of the sector is improved.

Description

Network capacity expansion method, electronic equipment and storage medium
[ technical field ] A method for producing a semiconductor device
The present application relates to the field of communications technologies, and in particular, to a network capacity expansion method, an electronic device, and a storage medium.
[ background of the invention ]
With the development of 4G networks, the data service demand is rapidly increasing, and the problem of LTE (Long Term Evolution) network overload is increasingly prominent. And because 2.6G D frequency channel in 5G network construction is replanted, some D frequency channel carriers are cleared back in the original LTE network frequency networking structure. Under the dual pressure, in order to avoid the influence on the user perception of the existing 4G users, the sector capacity resources need to be supplemented in time (capacity expansion for short).
When determining the sector needing capacity expansion, the current capacity expansion scheme takes all the sectors with frequency fading as the sectors needing capacity expansion, and supplements the sector carriers by one fading and one complementing according to the number of the D-band carriers cleared and faded in the sectors. However, when determining a sector needing capacity expansion, the current method does not evaluate the capacity of the sector, does not consider the performance difference of cells in different frequency bands in the sector, and is easy to cause the risk of secondary capacity expansion in a short period.
[ summary of the invention ]
The embodiment of the application provides a network capacity expansion method, electronic equipment and a storage medium, which can convert performance indexes of cells in each frequency band in a sector, realize accurate evaluation of sector capacity and improve capacity expansion efficiency of the sector.
In a first aspect, an embodiment of the present application provides a network capacity expansion method, including: determining the sector to which each cell belongs according to the work parameter data of each cell; calculating configuration data of each sector according to first performance data of a cell contained in each sector; wherein the first performance data of the cell is obtained by converting the second performance data of the cell to a target carrier frequency; and expanding the capacity of each sector according to the configuration data of each sector.
In one possible implementation manner, the parameters of each cell include: base station longitude and latitude, base station type, base station number, antenna azimuth angle and remote control unit interface; determining the sector to which each cell belongs according to the working parameter data of each cell, wherein the method comprises the following steps: attributing the cells with the same base station type as the cells of the same base station, wherein the latitude and longitude difference of the base station in each cell is smaller than a first threshold value; or, the cells with the same base station number in each cell are attributed to the cells of the same base station; the method comprises the steps that a cell which belongs to the same base station and has an antenna azimuth difference value smaller than a second threshold value belongs to the cell of the same sector; or, the cells with the same remote control unit interface in the cells belonging to the same base station are attributed to the cells of the same sector.
In one possible implementation manner, the method further includes: after determining the sector to which each cell belongs according to the working parameter data of each cell, the method further comprises: respectively judging whether each sector has a configurable carrier frequency according to the carrier frequency information of the cell contained in each sector; determining the sector without the configurable carrier frequency as a sector incapable of expanding capacity; correspondingly, calculating the configuration data of each sector includes: configuration data for sectors having configurable carrier frequencies is calculated.
In one possible implementation manner, the converting the second performance data of the cell to the target carrier frequency to obtain the first performance data of the cell includes: determining a carrier frequency coefficient corresponding to the cell according to the carrier frequency of the cell; wherein, different carrier frequencies correspond to respective carrier frequency coefficients, and the carrier frequency coefficients are determined according to carrier frequency capability data of corresponding carrier frequencies; and converting the second performance data of the cell to a target carrier frequency according to the carrier frequency coefficient corresponding to the cell to obtain the first performance data of the cell.
In one possible implementation manner, determining a carrier frequency coefficient of a corresponding carrier frequency according to carrier frequency capability data of the carrier frequency includes: according to formula Ki＝(Ni/Nt)(Ti/Tt) Calculating the carrier frequency coefficient of the ith carrier frequency; wherein, KiCarrier frequency coefficient of ith carrier frequency, NiTerminal permeability, N, for the ith carrier frequencytTerminal permeability, T, for a target carrier frequencyiIs the average throughput capability of the ith carrier frequency, TtIs the reference average throughput capability of the target carrier frequency.
In one possible implementation, the size is determined according to the sizeThe method for converting the second performance data of the cell to the target carrier frequency to obtain the first performance data of the cell includes: according to the formula ERBi-20M＝Ki×ERBiE-RAB flow of the ith cell is converted to a target carrier frequency; wherein ERBi-20ME-RAB flow of the ith cell at the target carrier frequency; kiThe carrier frequency coefficient corresponding to the ith cell; ERBiE-RAB flow of the ith cell; according to the formula PRBOccupancy number i-20M＝Ki×PRBOccupancy number iConverting the PRB occupation number of the ith cell to a target carrier frequency; according to the formula PRBAvailable number i-20M＝Ki×PRBAvailable number iConverting the PRB available number of the ith cell to a target carrier frequency; wherein PRBOccupancy number i-20MThe number of occupied PRBs in the target carrier frequency for the ith cell; PRBOccupancy number iThe number of occupied PRBs of the ith cell; kiThe carrier frequency coefficient corresponding to the ith cell; PRBAvailable number i-20The number of available PRBs in the target carrier frequency for the ith cell; PRBAvailable number iThe PRB available number of the ith cell; according to formula RRCi-20＝Ki×RRCiConverting the RRC connection number of the ith cell to a target carrier frequency; wherein RRC isi-20The RRC connection number of the ith cell at the target carrier frequency; kiThe carrier frequency coefficient corresponding to the ith cell; RRC (radio resource control)iIs the RRC connection number of the ith cell; according to the formula Li-20＝Ki×LiConverting the flow of the ith cell to a target carrier frequency; wherein L isi-20The flow of the ith cell at the target carrier frequency; kiThe carrier frequency coefficient corresponding to the ith cell; l isiIs the traffic of the ith cell.
In one possible implementation manner, calculating configuration data of each sector according to first performance data of a cell included in each sector includes: adding the E-RAB flow of the cell contained in each sector at the target carrier frequency to obtain the E-RAB flow of each sector at the target carrier frequency; determining the PRB utilization rate of each sector at a target carrier frequency according to the PRB occupation number and the PRB available number of the cell contained in each sector at the target carrier frequency; adding the RRC connection number of the cell contained in each sector at the target carrier frequency to obtain the RRC connection number of each sector at the target carrier frequency; and adding the flow of the cell contained in each sector at the target carrier frequency to obtain the flow of each sector at the target carrier frequency.
In one possible implementation manner, expanding the capacity of the sector according to the configuration data of the sector includes: determining performance threshold parameters of each cell contained in the sector according to E-RAB flow of the cell contained in the sector at a target carrier frequency; determining the performance threshold parameter of the sector according to the performance threshold parameter of each cell contained in the sector; the performance threshold parameters of the sector comprise a PRB utilization rate threshold, an RRC connection number threshold and a flow threshold; if the PRB utilization rate of the sector at the target carrier frequency, the RRC connection number at the target carrier frequency and the flow at the target carrier frequency are not greater than the PRB utilization rate threshold, the RRC connection number threshold and the flow threshold of the sector, determining the sector as a sector to be expanded; and expanding the capacity of the sector to be expanded.
In a second aspect, an embodiment of the present application provides a network capacity expansion apparatus, including: the determining module is used for determining the sector to which each cell belongs according to the work parameter data of each cell; a processing module, configured to calculate configuration data of each sector according to first performance data of a cell included in each sector; wherein the first performance data of the cell is obtained by converting the second performance data of the cell to a target carrier frequency; and the execution module is used for expanding the capacity of each sector according to the configuration data of each sector.
In a third aspect, an embodiment of the present application provides an electronic device, including: at least one processor; and at least one memory communicatively coupled to the processor, wherein: the memory stores program instructions executable by the processor, which when called by the processor are capable of performing the method as described above.
In a fourth aspect, embodiments of the present application provide a non-transitory computer-readable storage medium storing computer instructions that cause the computer to perform the method as described above.
In the above technical solution, first, a sector to which each cell belongs is determined according to the working parameter data of each cell. Then, the configuration data of each sector is calculated based on the first performance data of the cell included in each sector. Wherein the first performance data of the cell is obtained by converting the second performance data of the cell to the target carrier frequency. And finally, expanding the capacity of each sector according to the configuration data of each sector. Therefore, the conversion of the performance indexes of the cells in each frequency band in the sector is realized, the capacity of the sector is accurately evaluated, and the capacity expansion efficiency of the sector is improved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a network capacity expansion method according to an embodiment of the present application;
fig. 2 is a flowchart of another network capacity expansion method according to an embodiment of the present application;
fig. 3 is a flowchart of another network capacity expansion method according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a network capacity expansion device according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
Fig. 1 is a flowchart of a network capacity expansion method according to an embodiment of the present application. As shown in fig. 1, the network capacity expansion method may include:
step 101, determining the sector to which each cell belongs according to the work parameter data of each cell.
In this embodiment, the operating parameters of each cell may include: base station longitude and latitude, base station type, base station number, antenna azimuth angle, and RRU (Remote Radio Unit) interface.
According to the working parameter data of each cell, determining the sector to which each cell belongs may be: first, a base station to which each cell belongs is determined. Then, the sector to which the cell of the same base station belongs is determined.
In some embodiments, as shown in table 1, the base station that determines the home of each cell may be: and attributing the cells with the same base station type as the cells of the same base station, wherein the latitude and longitude difference of the base station in each cell is smaller than a first threshold value. The value of the first threshold may be set according to the needs of an actual scene, and may be 30 meters, for example. The base station type may be, for example, a room division base station or a macro base station.
Figure BDA0002749907510000061
TABLE 1
In some embodiments, as shown in table 1, the base station that determines the home location of each cell may further be: and the cells with the same base station number in each cell are attributed to the cells of the same base station.
In some embodiments, as shown in table 1, the sector to which the cell belonging to the same base station is determined may be a cell belonging to the same sector, where a cell having an antenna azimuth difference value smaller than the second threshold value in the cell belonging to the same base station is determined. The value of the second threshold may be set according to the needs of the actual scene, and may be, for example, 30 °.
In some embodiments, as shown in table 1, the sector to which the cell belonging to the same base station is determined may also be a cell belonging to the same sector, where the cell belonging to the same base station and having the same RRU interface is affiliated to the same sector.
Step 102, calculating configuration data of each sector according to the first performance data of the cell included in each sector.
It should be noted that the capacity of the 4G carrier frequency is related to the network system, and the capacity expansion standard at the present stage is only applicable to the TDD 20M carrier frequency. In order to more accurately determine the capacity of the sector, in the embodiment of the present application, the second performance data of each carrier frequency cell included in the sector is converted to a target carrier frequency, that is, a TDD 20M carrier frequency, so as to obtain the first performance data of each carrier frequency cell.
In this embodiment, the second performance data of the cell included in the sector may be average self-busy hour performance data of the cell in a preset time period. The performance data may include: E-RAB (Evolved Radio Access Bearer) traffic, PRB (physical Resource block) utilization, RRC (Radio Resource Control protocol) connection number, and traffic. The PRB utilization and traffic may include uplink data and downlink data. The PRB utilization rate is the ratio of the number of occupied PRBs to the number of available PRBs. The value of the preset time period can be set according to the needs of the actual situation, for example, the time period can be 7 days.
On the basis of the above, the first performance data of the cell may include: E-RAB flow of the cell at the target carrier frequency, PRB utilization rate at the target carrier frequency, RRC connection number at the target carrier frequency and flow at the target carrier frequency. Accordingly, the PRB utilization at the target carrier frequency and the traffic at the target carrier frequency may include uplink data and downlink data. The utilization rate of the PRB at the target carrier frequency is the ratio of the occupied number of the PRB at the target carrier frequency to the available number of the PRB at the target carrier frequency.
Calculating configuration data of the sector according to the first performance data of the cell contained in the sector, comprising: and determining the PRB utilization rate of the sector at the target carrier frequency according to the PRB occupation number and the PRB available number of the cell contained in the sector at the target carrier frequency. Specifically, the number of occupied PRBs of the cell included in the sector at the target carrier frequency is added to obtain the number and value of occupied PRBs. And adding the PRB available number of the cell contained in the sector at the target carrier frequency to obtain the PRB available number and value. And taking the ratio of the PRB occupation number and value to the PRB available number and value as the PRB utilization rate of the sector at the target carrier frequency. And adding the RRC connection number of the cell contained in the sector at the target carrier frequency to obtain the RRC connection number of the sector at the target carrier frequency. And adding the flow of the cell contained in the sector at the target carrier frequency to obtain the flow of the sector at the target carrier frequency.
And 103, expanding the capacity of each sector according to the configuration data of each sector.
Firstly, determining the performance threshold of the cell contained in each sector according to the E-RAB flow of the cell contained in each sector in the target carrier frequency.
In the embodiment of the application, the service type of the cell, namely a large packet cell, a medium packet cell or a small packet cell, can be determined according to the value of the E-RAB flow of the cell at the target carrier frequency. Specifically, when the E-RAB traffic of the cell at the target carrier frequency is smaller than the third threshold, the cell is a small cell. And when the E-RAB flow of the cell at the target carrier frequency is larger than a fourth threshold value, the cell is a large packet cell. And when the E-RAB flow of the cell at the target carrier frequency is greater than a third threshold and less than a fourth threshold, the cell is a medium-packet cell. The values of the third threshold and the fourth threshold may be set according to the needs of the actual scene, for example, the third threshold may be 300. The fourth threshold may be 1000.
The large cell, the medium cell and the small cell respectively correspond to different performance thresholds.
On the basis, the service type of the cell can be determined according to the E-RAB flow of the cell contained in each sector at the target carrier frequency. And further determining a performance threshold corresponding to the service type cell. The method comprises the following steps: a PRB utilization threshold, a RRC connection number threshold, and a traffic threshold for the cell.
For example. It is assumed that the correspondence between the traffic type of the cell on the target carrier frequency and the performance threshold is shown in table 2. The E-RAB traffic for cell 1 is 150. As shown in table 2, cell 1 may be determined to be a small cell. At this time, according to the performance threshold corresponding to the small cell in table 2, it can be determined that the uplink PRB utilization threshold of cell 1 is 50%, and the downlink PRB utilization threshold is 40%; the threshold of the number of RRC connections is 50; the uplink traffic threshold is 0.3 and the downlink traffic threshold is 2.2.
Figure BDA0002749907510000081
TABLE 2
Then, the performance thresholds of the cells included in the sector are added to obtain the performance threshold of the sector.
In particular, it can be based on the formula
Figure BDA0002749907510000082
Determining PRB utilization thresholds of the sector, including an uplink PRB utilization threshold and a downlink PRB utilization threshold. According to formula RRCSector threshold＝∑RRCN cell threshold(N-1, 2, …) determines the sector's RRC connection number threshold. According to the formula LSector threshold＝∑LN cell threshold(N-1, 2, …) determining traffic thresholds for the sector, including an uplink traffic threshold and a downlink traffic threshold.
And finally, if the PRB utilization rate of the sector at the target carrier frequency is judged to be not more than the PRB utilization rate threshold value of the sector, the RRC connection number at the target carrier frequency is not more than the RRC connection number threshold value of the sector and the flow at the target carrier frequency is not more than the flow threshold value of the sector, the sector is considered to be in a high-load state, and the sector is determined to be a sector to be expanded.
In this embodiment of the application, the expanding the capacity of the sector to be expanded may be: and sequentially using different capacity expansion schemes to expand the capacity of the sector to be expanded according to the preset priority of each capacity expansion scheme. After each expansion scheme is used for expansion, whether the sector after expansion is still in a high-load state can be judged again. And if the sector is still in a high load state, continuing to expand the sector. Until the sector is no longer in a high load state, or the sector is in a capacity expansion limited state, that is, the sector has no configurable carrier frequency. Wherein, the capacity expansion scheme may include: soft-spread F or D3, FDD 1800M, inverse 3DMIMO, and hard-spread F, etc. The preset priority of each capacity expansion scheme may be set according to the needs of the actual situation, for example, may be determined according to the performance/price ratio of each capacity expansion scheme.
In the embodiment of the application, firstly, the sector to which each cell belongs is determined according to the working parameter data of each cell. Then, the configuration data of each sector is calculated based on the first performance data of the cell included in each sector. Wherein the first performance data of the cell is obtained by converting the second performance data of the cell to the target carrier frequency. And finally, expanding the capacity of each sector according to the configuration data of each sector. Therefore, the conversion of the performance indexes of the cells in each frequency band in the sector is realized, the capacity of the sector is accurately evaluated, and the capacity expansion efficiency of the sector is improved.
Fig. 2 is a flowchart of another network capacity expansion method according to an embodiment of the present application.
In this embodiment of the present application, after step 101, the method for expanding a capacity of a network may further include:
step 1011, according to the carrier frequency information of the cell included in each sector, respectively determining whether the frequency band resource of each sector has a configurable carrier frequency.
It should be noted that, because the frequency band resources are limited, if the carrier frequency of the cell included in the sector covers all the frequency band resources, the sector is considered to have no configurable carrier frequency.
In the embodiment of the application, the sector without the configurable carrier frequency is determined as the sector which cannot be expanded. At this point, step 104 is performed.
Accordingly, if the sector still has a configurable carrier frequency, step 102 is performed.
And step 104, ending the flow of the method.
In the embodiment of the application, the capacity expansion space in the sector is judged according to the carrier frequency information of the cell contained in each sector. If the sector is determined not to have the configurable carrier frequency, the process of the network capacity expansion method of the embodiment of the application can be ended. By the method, the capacity expansion process is optimized, and the capacity expansion efficiency of the sector is improved.
Fig. 3 is a flowchart of another embodiment of a network capacity expansion method according to the present application.
In the embodiment of the present application, a calculation method of the configuration data of each sector in the step 102 is further described.
Step 1021, determining first performance data of the cells included in each sector.
Firstly, according to the carrier frequency of the cell, the carrier frequency coefficient corresponding to the cell is determined.
It should be noted that different carrier frequencies correspond to respective carrier frequency coefficients. The carrier frequency coefficient may be determined from carrier frequency capability data of the respective carrier frequency. Wherein, the carrier frequency capability data may include: terminal penetration of the carrier frequency and average throughput capability of the carrier frequency.
In the embodiment of the present application, an ith carrier frequency is taken as an example, and a method for determining a carrier frequency coefficient of a carrier frequency according to carrier frequency capability data of the carrier frequency is described. In particular, it can be according to formula Ki＝(Ni/Nt)(Ti/Tt) And calculating the carrier frequency coefficient of the ith carrier frequency. Wherein, KiCarrier frequency coefficient of ith carrier frequency, NiTerminal permeability, N, for the ith carrier frequencytTerminal permeability, T, for a target carrier frequencyiIs the average throughput capability of the ith carrier frequency, TtIs the reference average throughput capability of the target carrier frequency.
Optionally, during the actual implementation, NiMay be an average of cell terminal permeabilities of a plurality of ith carrier frequencies. T isiMay be an average of the average throughput capability of the cells of the multiple ith carrier frequencies. N is a radical oftMay be an average of cell terminal permeabilities of a plurality of target carrier frequencies. T istMay be an average of the average throughput capability of the cell for a plurality of target carrier frequencies.
Further, the above-mentioned TiIncluding an uplink TiAnd downlink Ti. T abovetIncluding an uplink TtAnd downlink Tt. Accordingly, according to the uplink TiAnd uplink TtCalculating to obtain the uplink Ki. According to downlink TiAnd downlink TtCalculating to obtain the downlink Ki。
And then, converting the second performance data of the cell to a target carrier frequency according to the carrier frequency coefficient corresponding to the cell to obtain the first performance data of the cell.
In the embodiment of the present application, the ith cell is still taken as an example for description. According to the formula ERBi-20M＝Ki×ERBiAnd E-RAB flow of the ith cell is converted to the target carrier frequency. Wherein ERBi-20ME-RAB flow of the ith cell at the target carrier frequency; kiThe carrier frequency coefficient corresponding to the ith cell; ERBiE-RAB traffic for the ith cell.
In addition, according to the above pair KiAs can be seen from the description of (1), KiIs divided into an uplink KiAnd a down Ki. The embodiment of the application is used for calculating ERBi-20MIn time, can take down KiAnd (6) performing calculation.
According to the formula PRBOccupancy number i-20M＝Ki×PRBOccupancy number iAnd converting the PRB occupation number of the ith cell to the target carrier frequency. According to the formula PRBAvailable number i-20M＝Ki×PRBAvailable number iAnd converting the PRB available number of the ith cell to the target carrier frequency. Wherein, KiThe carrier frequency coefficient corresponding to the ith cell; PRBOccupancy number i-20MThe number of occupied PRBs in the target carrier frequency for the ith cell; PRBOccupancy number iIs the number of PRB occupancies of the ith cell. PRBAvailable number i-20MThe number of available PRBs in the target carrier frequency for the ith cell; PRBAvailable number iThe number of available PRBs for the ith cell. Specifically, the up-link K can be taken respectivelyiAnd a down KiCalculating uplink PRBsOccupancy number i-20MDownlink PRBOccupancy number i-20MUplink PRBAvailable number i-20MAnd downlink PRBAvailable number i-20M。
According to formula RRCi-20M＝Ki×RRCiAnd switching the RRC connection number of the ith cell to the target carrier frequency. Wherein R isRCi-20MThe RRC connection number of the ith cell at the target carrier frequency; kiThe carrier frequency coefficient corresponding to the ith cell; RRC (radio resource control)iIs the RRC connection number of the ith cell. The embodiment of the application is in the calculation of RRCi-20MIn time, can take down KiAnd (6) performing calculation.
According to the formula Li-20M＝Ki×LiAnd converting the flow of the ith cell to the target carrier frequency. Wherein L isi-20MThe flow of the ith cell at the target carrier frequency; kiThe carrier frequency coefficient corresponding to the ith cell; l isiIs the traffic of the ith cell. Specifically, the up-link K can be taken respectivelyiAnd a down KiAnd calculating the uplink flow and the downlink flow of the ith cell at the target carrier frequency.
At step 1022, configuration data of each sector is determined according to the first performance data.
In step 1021, the first performance data of the cells included in the sector is added to obtain the sector allocation data.
According to formula RRCSector area＝∑RRCN-20M(N ═ 1,2, …), the number of RRC connections for the sector at the target carrier frequency is calculated. Wherein RRC isSector areaThe number of RRC connections of the sector at the target carrier frequency; RRC (radio resource control)N-20MThe number of RRC connections of the Nth cell in the sector at the target carrier frequency.
According to the formula
Figure BDA0002749907510000121
And calculating the PRB utilization rate of the sector at the target carrier frequency. Wherein PRBSector areaThe PRB utilization rate of the sector at the target carrier frequency; PRBN-20MThe PRB utilization rate of the Nth cell in the sector at the target carrier frequency is obtained. It should be noted that, the uplink PRB data of each cell in the sector at the target carrier frequency obtains the uplink PRB utilization rate of the sector at the target carrier frequency. Correspondingly, the downlink PRB data of each cell in the sector at the target carrier frequency obtains the downlink PRB utilization rate of the sector at the target carrier frequency.
According to the formula LSector area＝∑LN-20MAnd (N is 1,2, …), calculating the traffic of the sector at the target carrier frequency. Wherein L isSector areaTargeting sectorsThe flow rate of the carrier frequency; l isN-20MThe flow of the Nth cell in the sector at the target carrier frequency. It should be noted that, the uplink traffic of each cell in the sector at the target carrier frequency is added to obtain the uplink traffic of the sector at the target carrier frequency. Correspondingly, the downlink traffic of each cell in the sector at the target carrier frequency is added to obtain the downlink traffic of the sector at the target carrier frequency.
In the embodiment of the application, the performance data of each carrier frequency cell is converted according to the carrier frequency coefficient of the cell contained in each sector, so that the performance data of each carrier frequency cell on the target carrier frequency is obtained. And further obtains the configuration data of the sector at the target carrier frequency. Therefore, the evaluation of the sector capacity is more accurate, and the capacity expansion efficiency of the sector is improved.
Fig. 4 is a schematic structural diagram of a network capacity expansion device according to an embodiment of the present disclosure. The network capacity expansion device in this embodiment may be used as a network capacity expansion device to implement the network capacity expansion method provided in this embodiment. As shown in fig. 4, the network capacity expansion device may include: a determination module 41, a processing module 42 and an execution module 43.
A determining module 41, configured to determine a sector to which each cell belongs according to the working parameter data of each cell.
And a processing module 42, configured to calculate configuration data of each sector according to the first performance data of the cell included in each sector. Wherein the first performance data of the cell is obtained by converting the second performance data of the cell to the target carrier frequency.
And an executing module 43, configured to expand the capacity of each sector according to the configuration data of each sector.
In this embodiment of the present application, first, the determining module 41 determines the sector to which each cell belongs according to the working parameter data of each cell. Then, the processing module 42 calculates configuration data of each sector according to the first performance data of the cell included in each sector. Wherein the first performance data of the cell is obtained by converting the second performance data of the cell to the target carrier frequency. Finally, the execution module 43 expands the capacity of each sector according to the configuration data of each sector. Therefore, the conversion of the performance indexes of the cells in each frequency band in the sector is realized, the capacity of the sector is accurately evaluated, and the capacity expansion efficiency of the sector is improved.
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application. As shown in fig. 5, the electronic device may include at least one processor; and at least one memory communicatively coupled to the processor, wherein: the memory stores program instructions executable by the processor, and the processor calls the program instructions to execute the network capacity expansion method provided by the embodiment of the application.
The electronic device may be a network capacity expansion device, and the embodiment does not limit the specific form of the electronic device.
FIG. 5 illustrates a block diagram of an exemplary electronic device suitable for use in implementing embodiments of the present application. The electronic device shown in fig. 5 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present application.
As shown in fig. 5, the electronic device is in the form of a general purpose computing device. Components of the electronic device may include, but are not limited to: one or more processors 410, a memory 430, and a communication bus 440 that connects the various system components (including the memory 430 and the processing unit 410).
Communication bus 440 represents one or more of any of several types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, and a processor or local bus using any of a variety of bus architectures. These architectures include, but are not limited to, Industry Standard Architecture (ISA) bus, Micro Channel Architecture (MAC) bus, enhanced ISA bus, Video Electronics Standards Association (VESA) local bus, and Peripheral Component Interconnect (PCI) bus, to name a few.
Electronic devices typically include a variety of computer system readable media. Such media may be any available media that is accessible by the electronic device and includes both volatile and nonvolatile media, removable and non-removable media.
Memory 430 may include computer system readable media in the form of volatile Memory, such as Random Access Memory (RAM) and/or cache Memory. The electronic device may further include other removable/non-removable, volatile/nonvolatile computer system storage media. Although not shown in FIG. 5, a disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a Compact disk Read Only Memory (CD-ROM), a Digital versatile disk Read Only Memory (DVD-ROM), or other optical media) may be provided. In these cases, each drive may be connected to the communication bus 440 by one or more data media interfaces. Memory 430 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the application.
A program/utility having a set (at least one) of program modules, including but not limited to an operating system, one or more application programs, other program modules, and program data, may be stored in memory 430, each of which examples or some combination may include an implementation of a network environment. The program modules generally perform the functions and/or methodologies of the embodiments described herein.
The electronic device may also communicate with one or more external devices (e.g., keyboard, pointing device, display, etc.), one or more devices that enable a user to interact with the electronic device, and/or any devices (e.g., network card, modem, etc.) that enable the electronic device to communicate with one or more other computing devices. Such communication may occur via communication interface 420. Furthermore, the electronic device may also communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public Network such as the Internet) via a Network adapter (not shown in FIG. 5) that may communicate with other modules of the electronic device via the communication bus 440. It should be appreciated that although not shown in FIG. 5, other hardware and/or software modules may be used in conjunction with the electronic device, including but not limited to: microcode, device drivers, Redundant processing units, external disk drive Arrays, disk array (RAID) systems, tape Drives, and data backup storage systems, among others.
The processor 410 executes programs stored in the memory 430 to execute various functional applications and data processing, for example, to implement the network capacity expansion method provided by the embodiment of the present application.
The embodiment of the present application further provides a non-transitory computer-readable storage medium, where the non-transitory computer-readable storage medium stores a computer instruction, and the computer instruction enables the computer to execute the network capacity expansion method provided in the embodiment of the present application.
The non-transitory computer readable storage medium described above may take any combination of one or more computer readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A 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 of the foregoing. 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, a hard disk, a Random Access Memory (RAM), a Read Only Memory (ROM), an Erasable Programmable Read Only Memory (EPROM), a flash Memory, an optical fiber, a portable compact disc Read Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, 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.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present application may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of Network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be noted that the terminal according to the embodiments of the present application may include, but is not limited to, a Personal Computer (Personal Computer; hereinafter, referred to as PC), a Personal Digital Assistant (Personal Digital Assistant; hereinafter, referred to as PDA), a wireless handheld device, a Tablet Computer (Tablet Computer), a mobile phone, an MP3 player, an MP4 player, and the like.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions in actual implementation, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims (10)

1. A method for expanding a network, comprising:
determining the sector to which each cell belongs according to the work parameter data of each cell;
calculating configuration data of each sector according to first performance data of a cell contained in each sector; wherein the first performance data of the cell is obtained by converting the second performance data of the cell to a target carrier frequency;
and expanding the capacity of each sector according to the configuration data of each sector.
2. The method of claim 1, wherein the parameters of each cell comprise: base station longitude and latitude, base station type, base station number, antenna azimuth angle and remote control unit interface; determining the sector to which each cell belongs according to the working parameter data of each cell, wherein the method comprises the following steps:
attributing the cells with the same base station type as the cells of the same base station, wherein the latitude and longitude difference of the base station in each cell is smaller than a first threshold value; or, the cells with the same base station number in each cell are attributed to the cells of the same base station;
the method comprises the steps that a cell which belongs to the same base station and has an antenna azimuth difference value smaller than a second threshold value belongs to the cell of the same sector; or, the cells with the same remote control unit interface in the cells belonging to the same base station are attributed to the cells of the same sector.
3. The method of claim 1, wherein after determining the sector to which each cell belongs according to the working parameter data of each cell, the method further comprises:
respectively judging whether each sector has a configurable carrier frequency according to the carrier frequency information of the cell contained in each sector; determining the sector without the configurable carrier frequency as a sector incapable of expanding capacity;
correspondingly, calculating the configuration data of each sector includes: configuration data for sectors having configurable carrier frequencies is calculated.
4. The method of claim 1, wherein transforming the second performance data of the cell to the target carrier frequency to obtain the first performance data of the cell comprises:
determining a carrier frequency coefficient corresponding to the cell according to the carrier frequency of the cell; wherein, different carrier frequencies correspond to respective carrier frequency coefficients, and the carrier frequency coefficients are determined according to carrier frequency capability data of corresponding carrier frequencies;
and converting the second performance data of the cell to a target carrier frequency according to the carrier frequency coefficient corresponding to the cell to obtain the first performance data of the cell.
5. The method of claim 4, wherein determining the carrier frequency coefficient of the corresponding carrier frequency according to the carrier frequency capability data of the carrier frequency comprises:
according to formula Ki＝(Ni/Nt)(Ti/Tt) Calculating the carrier frequency coefficient of the ith carrier frequency;
wherein, KiCarrier frequency coefficient of ith carrier frequency, NiTerminal permeability, N, for the ith carrier frequencytTerminal permeability, T, for a target carrier frequencyiIs the average throughput capability of the ith carrier frequency, TtIs the reference average throughput capability of the target carrier frequency.
6. The method of claim 4, wherein converting the second performance data of the cell to a target carrier frequency according to the carrier frequency coefficient corresponding to the cell to obtain the first performance data of the cell comprises:
according to the formula ERBi-20M＝Ki×ERBiE-RAB flow of the ith cell is converted to a target carrier frequency; wherein ERBi-20E-RAB flow of the ith cell at the target carrier frequency; kiThe carrier frequency coefficient corresponding to the ith cell; ERBiE-RAB flow of the ith cell;
according to the formula PRBOccupancy number i-20M＝Ki×PRBOccupancy number iConverting the PRB occupation number of the ith cell to a target carrier frequency; according to the formula PRBAvailable number i-20＝Ki×PRBAvailable number iConverting the PRB available number of the ith cell to a target carrier frequency; wherein PRBOccupancy number i-20MThe number of occupied PRBs in the target carrier frequency for the ith cell; PRBOccupancy number iThe number of occupied PRBs of the ith cell; kiThe carrier frequency coefficient corresponding to the ith cell; PRBAvailable number i-20The number of available PRBs in the target carrier frequency for the ith cell; PRBAvailable number iThe PRB available number of the ith cell;
according to formula RRCi-20M＝Ki×RRCiConverting the RRC connection number of the ith cell to a target carrier frequency; wherein RRC isi-20MThe RRC connection number of the ith cell at the target carrier frequency; kiThe carrier frequency coefficient corresponding to the ith cell; RRC (radio resource control)iIs the RRC connection number of the ith cell;
according to the formula Li-20＝Ki×LiConverting the flow of the ith cell to a target carrier frequency; wherein L isi-20MThe flow of the ith cell at the target carrier frequency; kiThe carrier frequency coefficient corresponding to the ith cell; l isiIs the traffic of the ith cell.
7. The method according to claim 1 or 6, wherein calculating the configuration data of each sector according to the first performance data of the cell included in each sector comprises:
determining the PRB utilization rate of each sector at a target carrier frequency according to the PRB occupation number and the PRB available number of the cell contained in each sector at the target carrier frequency;
adding the RRC connection number of the cell contained in each sector at the target carrier frequency to obtain the RRC connection number of each sector at the target carrier frequency;
and adding the flow of the cell contained in each sector at the target carrier frequency to obtain the flow of each sector at the target carrier frequency.
8. The method of claim 7, wherein expanding the sector according to the configuration data of the sector comprises:
determining performance threshold parameters of each cell contained in the sector according to E-RAB flow of the cell contained in the sector at a target carrier frequency;
determining the performance threshold parameter of the sector according to the performance threshold parameter of each cell contained in the sector; the performance threshold parameters of the sector comprise a PRB utilization rate threshold, an RRC connection number threshold and a flow threshold;
if the PRB utilization rate of the sector at the target carrier frequency, the RRC connection number at the target carrier frequency and the flow at the target carrier frequency are not greater than the PRB utilization rate threshold, the RRC connection number threshold and the flow threshold of the sector, determining the sector as a sector to be expanded; and expanding the capacity of the sector to be expanded.
9. An electronic device, comprising:
at least one processor; and
at least one memory communicatively coupled to the processor, wherein:
the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the method of any of claims 1 to 8.
10. A non-transitory computer-readable storage medium storing computer instructions that cause a computer to perform the method of any one of claims 1 to 8.
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