Network frequency reduction method, apparatus, and readable storage medium

Abstract

The application provides a network frequency reduction method and device and a readable storage medium, relates to the technical field of communication, and can solve the problem that the service experience of a cell after frequency reduction is poor. The method comprises the following steps: in the case that a target cell meets a first condition, a first frequency reduction mode is used to perform network frequency reduction on the target cell; otherwise, a second frequency reduction mode is used to perform network frequency reduction on the target cell; wherein the first frequency reduction mode is used to ensure the number of new radio (NR) spectrum resources, and the second frequency reduction mode is used to ensure the number of long term evolution (LTE) spectrum resources and the number of universal mobile telecommunications system (UMTS) spectrum resources; the first condition comprises any one of the following: the estimated NR uplink traffic is greater than an uplink traffic threshold; and the estimated NR downlink traffic is greater than a downlink traffic threshold. The application is used in the process of performing network frequency reduction on a cell.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of communication, in particular to a network frequency reduction method, device and readable storage medium. BACKGROUND

[0002] At present, before reducing the frequency of a cell, a network side device can first determine whether the cell can be reduced in frequency based on the resource utilization of the cell. For example, if the resource utilization of the cell is less than a preset resource utilization, it is determined that the cell can be reduced in frequency, so that part of the resources can be vacated to be used for deploying a New Radio (NR) system.

[0003] However, since the NR terminal penetration rates of different cells are different, determining whether the cell can be reduced in frequency by the resource utilization of the cell can cause the network after frequency reduction to be unable to meet the actual demand of the cell, thereby causing the service experience of the cell after frequency reduction to be poor. SUMMARY

[0004] The present application provides a network frequency reduction method, device and readable storage medium, which can solve the problem of poor service experience of the cell after frequency reduction.

[0005] To achieve the above object, the present application adopts the following technical solutions:

[0006] In a first aspect, the present application provides a network frequency reduction method, which comprises: in the case that a target cell meets a first condition, using a first frequency reduction manner to perform network frequency reduction on the target cell; otherwise, using a second frequency reduction manner to perform network frequency reduction on the target cell; wherein the first frequency reduction manner is used to ensure the number of NR spectrum resources, and the second frequency reduction manner is used to ensure the number of Long Term Evolution (LTE) spectrum resources and the number of Universal Mobile Telecommunications System (UMTS) spectrum resources; the first condition comprises any of the following: the estimated NR uplink traffic volume is greater than an uplink traffic volume threshold; and the estimated NR downlink traffic volume is greater than a downlink traffic volume threshold.

[0007] Based on the above technical solutions, the network frequency reduction method provided by the embodiments of the present application can determine the frequency reduction manner of network frequency reduction on the target cell based on the estimated NR uplink traffic volume or the estimated NR downlink traffic volume, that is, the network frequency reduction on the target cell can be performed based on the estimated traffic volume after the NR network is opened, so that the network after frequency reduction can meet the actual demand of the cell, thereby improving the service experience of the cell after frequency reduction.

[0008] In a first possible implementation manner of the first aspect, the number of NR spectrum resources in the first frequency reduction manner is greater than the number of NR spectrum resources in the second frequency reduction manner; and / or, the sum of the number of LTE spectrum resources and the number of UMTS spectrum resources in the first frequency reduction manner is less than the sum of the number of LTE spectrum resources and the number of UMTS spectrum resources in the second frequency reduction manner.

[0009] In a second possible implementation manner of the first aspect, the network frequency reduction of the target cell by using the first frequency reduction manner comprises: performing the network frequency reduction of the target cell by using the first frequency reduction manner, when all target parameters are less than respective first threshold values; wherein the target parameters comprise: estimated downlink traffic volume, uplink traffic volume, uplink physical resource quantity and downlink physical resource quantity of the target cell after the network frequency reduction of the target cell.

[0010] In a third possible implementation manner of the first aspect, the network frequency reduction of the target cell by using the second frequency reduction manner comprises: performing the network frequency reduction of the target cell by using the second frequency reduction manner, when all target parameters are less than respective second threshold values; wherein the target parameters comprise: estimated downlink traffic volume, uplink traffic volume, uplink physical resource quantity and downlink physical resource quantity of the target cell after the network frequency reduction of the target cell; and the second threshold values are different from the first threshold values.

[0011] In a fourth possible implementation manner of the first aspect, the target parameters are parameters corrected based on target traffic volume; wherein the target traffic volume is: traffic volume that can be migrated to an inter-frequency LTE cell co-located with the target cell.

[0012] In a fifth possible implementation manner of the first aspect, when the target cell satisfies the first condition, the network frequency reduction of the target cell by using the first frequency reduction manner is performed; otherwise, before the network frequency reduction of the target cell by using the second frequency reduction manner is performed, the method further comprises: estimating NR downlink traffic volume of the target cell based on a first parameter within a preset time, and estimating NR uplink traffic volume of the target cell based on a second parameter within the preset time; wherein the first parameter comprises: the number of NR terminals camping on the target cell, and LTE network downlink average traffic volume; and the second parameter comprises: the number of NR terminals camping on the target cell, and LTE network uplink average traffic volume.

[0013] In a second aspect, the present application provides a network frequency reduction device, comprising a processing module; the processing module is configured to: in a case where a target cell meets a first condition, adopt a first frequency reduction manner to perform network frequency reduction on the target cell; otherwise, adopt a second frequency reduction manner to perform network frequency reduction on the target cell; wherein the first frequency reduction manner is configured to ensure a number of NR frequency spectrum resources, and the second frequency reduction manner is configured to ensure a number of LTE frequency spectrum resources and a number of UMTS frequency spectrum resources; the first condition comprises any one of: an estimated NR uplink traffic volume is greater than an uplink traffic volume threshold; and an estimated NR downlink traffic volume is greater than a downlink traffic volume threshold.

[0014] In a first possible implementation manner of the second aspect, the number of NR frequency spectrum resources in the first frequency reduction manner is greater than the number of NR frequency spectrum resources in the second frequency reduction manner; and / or, a sum of the number of LTE frequency spectrum resources and the number of UMTS frequency spectrum resources in the first frequency reduction manner is less than a sum of the number of LTE frequency spectrum resources and the number of UMTS frequency spectrum resources in the second frequency reduction manner.

[0015] In a second possible implementation manner of the second aspect, the processing module is specifically configured to: in a case where all target parameters are less than respective first threshold values, adopt the first frequency reduction manner to perform network frequency reduction on the target cell; wherein the target parameters comprise: an estimated downlink traffic volume, an estimated uplink traffic volume, an estimated number of uplink physical resources, and an estimated number of downlink physical resources of the target cell after network frequency reduction is performed on the target cell.

[0016] In a third possible implementation manner of the second aspect, the processing module is specifically configured to: in a case where all target parameters are less than respective second threshold values, adopt the second frequency reduction manner to perform network frequency reduction on the target cell; wherein the target parameters comprise: an estimated downlink traffic volume, an estimated uplink traffic volume, an estimated number of uplink physical resources, and an estimated number of downlink physical resources of the target cell after network frequency reduction is performed on the target cell; and the second threshold values are different from the first threshold values.

[0017] In a fourth possible implementation manner of the second aspect, the target parameters are parameters that are corrected based on target traffic volumes; wherein the target traffic volumes are: traffic volumes that can be migrated to inter-frequency LTE cells that are co-located with the target cell.

[0018] In a fifth possible implementation manner of the second aspect, the network frequency reduction apparatus further comprises an estimation module; the estimation module is configured to, when the processing module determines that the target cell satisfies the first condition, perform network frequency reduction on the target cell by using the first frequency reduction manner; otherwise, before performing network frequency reduction on the target cell by using the second frequency reduction manner, estimate NR downlink traffic of the target cell based on a first parameter within a preset time, and estimate NR uplink traffic of the target cell based on a second parameter within the preset time; wherein the first parameter comprises: a number of NR terminals camping on the target cell, and LTE network downlink average traffic; and the second parameter comprises: the number of NR terminals camping on the target cell, and LTE network uplink average traffic.

[0019] In a third aspect, the present application provides a cell determination apparatus, comprising: a processor and a communication interface; the communication interface and the processor are coupled, and the processor is configured to run computer programs or instructions to implement the network frequency reduction method as described in the first aspect and any possible implementation manner of the first aspect.

[0020] In a fourth aspect, the present application provides a computer readable storage medium, and the computer readable storage medium stores instructions, when the instructions are run on a terminal, the terminal executes the network frequency reduction method as described in the first aspect and any possible implementation manner of the first aspect.

[0021] In a fifth aspect, the present application provides a computer program product comprising instructions, when the computer program product is run on a cell determination apparatus, the cell determination apparatus executes the network frequency reduction method as described in the first aspect and any possible implementation manner of the first aspect.

[0022] In a sixth aspect, the present application provides a chip, comprising a processor and a communication interface, the communication interface and the processor are coupled, and the processor is configured to run computer programs or instructions to implement the network frequency reduction method as described in the first aspect and any possible implementation manner of the first aspect.

[0023] Specifically, the chip provided in the present application further comprises a memory for storing computer programs or instructions. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A flow chart of a network frequency reduction method provided for an embodiment of the present application;

[0025] Figure 2 A structural schematic diagram of a network frequency reduction apparatus provided for an embodiment of the present application;

[0026] Figure 3 A structural schematic diagram of another network frequency reduction apparatus provided for an embodiment of the present application;

[0027] Figure 4 A structural schematic diagram of a chip is provided in an embodiment of the present application. DETAILED DESCRIPTION

[0028] The network frequency reduction method, device and readable storage medium provided in the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0029] The term "and / or" in the present document is merely used to describe an association relationship of associated objects, and indicates that three relationships can exist, for example, A and / or B can represent three cases of existence of A alone, existence of A and B simultaneously, and existence of B alone.

[0030] The terms "first" and "second" and the like in the description of the present application and the accompanying drawings are used to distinguish different objects or different processing of the same object, and are not used to describe a specific order of the objects.

[0031] In addition, the terms "comprising" and "having" and any variations thereof mentioned in the description of the present application are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but can optionally include other steps or units that are not listed, or can optionally include other steps or units inherent to the process, method, product or device.

[0032] It should be noted that in the embodiments of the present application, the words "exemplary" or "for example" are used to mean serving as an example, instance, or illustration. Any embodiment or design scheme described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or advantageous than other embodiments or design schemes. Rather, the use of the words "exemplary" or "for example" is intended to present relevant concepts in a specific manner.

[0033] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0034] The fifth generation mobile communication technology (5G) is a new generation of broadband mobile communication technology with high speed, low latency and large connection characteristics, and is also a network infrastructure for realizing man-machine and interconnection. At present, 5G commercial networks mainly use medium and high frequency bands. Higher frequency spectrum can obtain more bandwidth resources, resulting in higher experience rate. However, the propagation characteristics of wireless signals are that the higher the frequency, the greater the spatial loss in space propagation, so that the construction density of base stations needed to obtain the same coverage performance is greater, and the investment is greater. In particular, for areas with low business volume, it is difficult to recover investment and is contrary to the construction direction of green double carbon to build a dense medium and high frequency 5G base station for coverage. Therefore, building a high-quality low-frequency 5G network has been put on the agenda of operators, that is, building a 5G network in the 700M-900M frequency band to cover areas with less business volume or to lay the foundation for urban network coverage and improve the overall coverage performance of the 5G network.

[0035] However, the low-frequency band resources of the existing network are in short supply, especially in some rural areas, the 900MHz frequency band is deployed with LTE network and UMTS network, and the existing LTE network still carries a certain amount of traffic, and the UMTS network also carries a certain amount of voice traffic. In order to vacate a part of the resources for 5G network deployment, it is necessary to further reduce the spectrum resources occupied by the LTE network and the UMTS network. At present, before reducing the frequency of the cell, the network side device can first determine whether the cell can be reduced in frequency based on the resource utilization rate of the cell. For example, if the resource utilization rate of the cell is less than the preset resource utilization rate, it is determined that the cell can be reduced in frequency, so that part of the resources can be vacated for deployment of the NR system.

[0036] However, since the NR terminal penetration rates of different cells are different, determining whether the cell can be reduced in frequency by the resource utilization rate of the cell may cause the network after reduction in frequency to be unable to meet the actual demand of the cell, thereby causing poor business experience of the cell after reduction in frequency.

[0037] To solve the problem of poor service experience of the cell after frequency reduction in the prior art, the application provides a network frequency reduction method, which can adopt a first frequency reduction manner to perform network frequency reduction on a target cell in the case that the target cell meets a first condition; otherwise, a second frequency reduction manner is adopted to perform network frequency reduction on the target cell; wherein the first condition includes any of the following: the estimated NR uplink traffic volume is greater than the uplink traffic volume threshold; the estimated NR downlink traffic volume is greater than the downlink traffic volume threshold. Through the scheme, since the frequency reduction manner for performing network frequency reduction on the target cell can be determined based on the estimated NR uplink traffic volume or the estimated NR downlink traffic volume, that is, the network frequency reduction can be performed on the target cell based on the estimated traffic volume after the NR network is opened, the network after frequency reduction can meet the actual demand of the cell, thereby improving the service experience of the cell after frequency reduction.

[0038] The network frequency reduction method provided by the application can be applied to the scenario of performing network frequency reduction on a cell. The cell determination method provided by the application is described in detail below with reference to the drawings, taking the network side device performing the method as an example.

[0039] As shown in the flowchart of the network frequency reduction method provided by the embodiment of the application, the method includes the following step 101. Figure 1

[0040] Step 101, the network side device adopts a first frequency reduction manner to perform network frequency reduction on a target cell in the case that the target cell meets a first condition; otherwise, a second frequency reduction manner is adopted to perform network frequency reduction on the target cell.

[0041] The first frequency reduction manner is used to ensure the number of NR spectrum resources, and the second frequency reduction manner is used to ensure the number of LTE spectrum resources and the number of UMTS spectrum resources.

[0042] In the embodiment of the application, the first condition includes any of the following:

[0043] The estimated NR uplink traffic volume is greater than the uplink traffic volume threshold;

[0044] The estimated NR downlink traffic volume is greater than the downlink traffic volume threshold.

[0045] Optionally, in the embodiment of the application, the first frequency reduction manner for ensuring the number of NR spectrum resources is adopted to perform network frequency reduction on the target cell, which can improve the NR service experience of the target cell after network frequency reduction.

[0046] Optionally, in the embodiment of the application, the second frequency reduction manner for ensuring the number of LTE spectrum resources and the number of UMTS spectrum resources is adopted to perform network frequency reduction on the target cell, which can ensure that the service experience of the LTE service and the UMTS service of the target cell after network frequency reduction is not affected. ​

[0047] Optionally, in the embodiments of the present application, the number of NR spectrum resources in the first frequency reduction mode is greater than the number of NR spectrum resources in the second frequency reduction mode; and / or, the sum of the number of LTE spectrum resources and the number of UMTS spectrum resources in the first frequency reduction mode is less than the sum of the number of LTE spectrum resources and the number of UMTS spectrum resources in the second frequency reduction mode.

[0048] For example, assuming that the target cell has a total of 11MHz of spectrum resources, and the spectrum usage of the existing network is 5M LTE+5M UMTS, then after the target cell is subjected to network frequency reduction in the first frequency reduction mode, the spectrum usage can be 5M NR+6M LTE and UMTS spectrum sharing (i.e., the LTE network independently occupies a part of the bandwidth, the UMTS network independently occupies a part of the bandwidth, and the LTE network and the UMTS network share a part of the spectrum resources through dynamic spectrum sharing); after the target cell is subjected to network frequency reduction in the second frequency reduction mode, the spectrum usage can be 4M NR+3M LTE+3.8M UMTS. It can be seen that the number of NR spectrum resources in the first frequency reduction mode is greater than the number of NR spectrum resources in the second frequency reduction mode, and the sum of the number of LTE spectrum resources and the number of UMTS spectrum resources in the first frequency reduction mode is less than the sum of the number of LTE spectrum resources and the number of UMTS spectrum resources in the second frequency reduction mode.

[0049] In the embodiments of the present application, since the number of NR spectrum resources in the first frequency reduction mode is greater than the number of NR spectrum resources in the second frequency reduction mode; and / or, the sum of the number of LTE spectrum resources and the number of UMTS spectrum resources in the first frequency reduction mode is less than the sum of the number of LTE spectrum resources and the number of UMTS spectrum resources in the second frequency reduction mode; therefore, different frequency reduction modes can be used for network frequency reduction for different cells, so that the network after frequency reduction can meet the actual needs of the cell.

[0050] Optionally, in the embodiments of the present application, the step 101 can be implemented through the following step 101a.

[0051] In step 101a, the network side device adopts the first frequency reduction mode to perform network frequency reduction on the target cell when the target cell satisfies the first condition and the target parameters are all less than the corresponding first threshold values; otherwise, the second frequency reduction mode is adopted to perform network frequency reduction on the target cell.

[0052] The target parameters include: the estimated downlink traffic volume, uplink traffic volume, uplink physical resource quantity and downlink physical resource quantity of the target cell after network frequency reduction.

[0053] It can be understood that if the target parameters are all less than the corresponding first threshold values, it can be considered that the first frequency reduction mode is feasible for the target cell.

[0054] Optionally, in the embodiments of the present application, after the network frequency reduction of the target cell, the estimated downlink traffic volume sDL of the target cell can be determined by the following formula (1):

[0055] sDL=sltedl× (1-rnrue) (1)

[0056] wherein sltedl is the average busy hour traffic volume of the LTE network in the past n days, and rnrue is the proportion of NR terminals supporting the heavy cultivation frequency band.

[0057] In the embodiments of the present application, rnrue=nnr / nue; wherein nnr is the number of terminals supporting 5G communication in the heavy cultivation frequency band among the terminals residing in the target cell in the past n days; and nue is the total number of terminals residing in the target cell in the past n days.

[0058] Optionally, in the embodiments of the present application, the network side device can first obtain all imeis residing in the target cell during busy hours in the past n days, and then perform deduplication to obtain the total number of terminals residing in the target cell nue, and determine whether the terminal supports 5G communication in the heavy cultivation frequency band based on the tac field in the imei, thereby obtaining the above-mentioned nnr.

[0059] Optionally, in the embodiments of the present application, the first threshold value corresponding to sDL can be SDL×δ1; wherein δ1 is a correction coefficient (for example, it can be a number between 0.8-1), and SDL can be determined by the following formula (2):

[0060] SDL=SDL1×R+SDL2× (1-R) (2)

[0061] wherein SDL1 is the maximum downlink traffic volume that can be carried per hour when LTE only occupies the LTE network exclusive bandwidth f1; SDL2 is the maximum downlink traffic volume that can be carried per hour when LTE occupies f1+LTE network and UMTS network shared spectrum bandwidth f3; SDL1 and SDL2 can be obtained by simulation; R=Tcs×η / 3600000, Tcs is the total duration of average busy hours with voice service transmission in the UMTS network in the past n days, and η is a correction coefficient.

[0062] Optionally, in the embodiments of the present application, the above-mentioned Tcs can be directly obtained by network management or indirectly calculated by the following formula (3):

[0063] Tcs=E×360000 / ncs (3)

[0064] E is the average busy hour voice traffic of the UMTS network in the past n days (unit: Erlang), ncs is the average concurrent voice users per time slot of the UMTS network in the past n busy hours,

[0065] Optionally, in the embodiments of the present application, ncs = ∑ni / ns, wherein ni is the number of voice users in the i th time slot with voice service, and ns is the number of time slots with voice service transmission.

[0066] It can be understood that the target parameters being less than the respective first threshold values can include sDL < SDL × δ1.

[0067] Optionally, in the embodiments of the present application, after the network frequency reduction is performed on the target cell, the estimated downlink physical resource quantity nDL of the target cell can be determined by the following formula (4):

[0068] nDL = nDLLTE - A1 × sltedl × rnrue - A2 (4)

[0069] wherein nDLLTE is the average number of physical resource blocks (PRBs) occupied per TTI in the downlink busy hour in the past n days, and A1 and A2 are constants.

[0070] Optionally, in the embodiments of the present application, the first threshold value corresponding to nDL can be NDL × δ3, wherein δ3 is a correction coefficient (for example, it can be a number between 0.8 and 1), and NDL can be determined by the following formula (5):

[0071] NDL = NDL1 × R + NDL2 × (1 - R) (5)

[0072] wherein NDL1 is the average number of PRBs available for downlink service transmission per TTI when LTE only occupies f1, and NDL2 is the average number of PRBs available for downlink service transmission per TTI when LTE occupies f1 + f3.

[0073] It can be understood that the target parameters being less than the respective first threshold values can include nDL < NDL × δ1.

[0074] After the network frequency reduction is performed on the target cell, the estimated uplink traffic quantity, the estimated uplink physical resource quantity, and the determination method of the respective first threshold values of the target cell can refer to the related descriptions of sDL and nDL above, and will not be described here again in order to avoid repetition.

[0075] Optionally, in the embodiments of the present application, in order to promote the deployment pace of NR, the UMTS traffic volume can be modified, mainly based on the average busy hour traffic volume of each month in the past period of time, to estimate the traffic volume of the xth month in the future (the overall UMTS traffic volume is in a downward trend, for example, x can be 3, 6, etc.), to obtain Ex' (Ex' < E), and Ex' is used to replace E to calculate the above Tcs, wherein Ex' = fcs (E1, E2,..., En), fcs is a function for calculating future traffic volume based on historical traffic volume, E1 is the average busy hour traffic volume of the first month before the current month, E2 is the average busy hour traffic volume of the second month before the current month, for example, the current month is December, E1 is the average busy hour traffic volume of November, E2 is the average busy hour traffic volume of October, and so on.

[0076] It should be noted that when each of the target parameters is less than the respective corresponding first threshold value, the first frequency reduction manner can be used to reduce the network frequency of the target cell.

[0077] In the embodiments of the present application, since the network side device uses the first frequency reduction manner to reduce the network frequency of the target cell when the target parameters are all less than the respective corresponding first threshold value, it can be further determined whether the first frequency reduction manner is feasible based on the current network load, so as to better ensure the service experience of the target cell after network frequency reduction.

[0078] Optionally, in the embodiments of the present application, the step 101 can be implemented by the following step 101b.

[0079] In the step 101b, the network side device uses the first frequency reduction manner to reduce the network frequency of the target cell when the target cell satisfies the first condition, otherwise, uses the second frequency reduction manner to reduce the network frequency of the target cell when each of the target parameters is less than the respective corresponding second threshold value.

[0080] The target parameters include: the estimated downlink traffic volume sDL, uplink traffic volume sUL, uplink physical resource quantity nUL and downlink physical resource quantity nDL of the target cell after network frequency reduction.

[0081] In the embodiments of the present application, the second threshold value is different from the first threshold value.

[0082] Optionally, in the embodiment of the present application, assuming that the bandwidth exclusively occupied by the LTE network is f4, the bandwidth exclusively occupied by the UMTS network is f5, and there is no shared bandwidth between the two, if (f4+f5)>(f1+f2+f3) and sDLSDL'xδ5, sULSUL'xδ6, nDLNDL'xδ7, nULNUL'xδ8 (i.e. the target parameters are all less than the corresponding second threshold values), the second frequency reduction mode is used to reduce the network of the target cell.

[0083] SDL' is the maximum amount of traffic that can be carried per hour by the LTE network when occupying the frequency bandwidth f4, which can be obtained through simulation; NDL' is the number of PRBs that can be used for average downlink traffic transmission per TTI when the LTE network occupies the frequency bandwidth f4; SUL' is the maximum amount of traffic that can be carried per hour by the LTE network when occupying the frequency bandwidth f4, which can be obtained through simulation; NUL' is the number of PRBs that can be used for average uplink traffic transmission per TTI when the LTE network occupies the frequency bandwidth f4.

[0084] For other descriptions of step 101b, refer to the related descriptions in the above embodiments, and details are not described here to avoid repetition.

[0085] In the embodiment of the present application, since the network side device uses the second frequency reduction mode to reduce the network of the target cell when the target parameters are all less than the corresponding second threshold values, it can further determine whether the second frequency reduction mode is feasible based on the current network load, so as to better ensure the service experience of the target cell after network frequency reduction.

[0086] Optionally, in the embodiment of the present application, the target parameters can be parameters corrected based on the target traffic.

[0087] The target traffic is the amount of traffic that can be migrated to the inter-frequency LTE cell co-located with the target cell.

[0088] Optionally, in the embodiment of the present application, the target parameters can include sDL', sUL', nDL', and nUL' obtained by correcting sDL, sUL, nDL, and nUL based on the target traffic.

[0089] Optionally, in the embodiment of the present application, sDL'=sDL-ssltedl; where ssltedl is the amount of traffic that can be migrated to the inter-frequency LTE cell co-located with the target cell, if the target cell does not have an inter-frequency LTE cell co-located, ssltedl=0, if the target cell has an inter-frequency LTE cell co-located, further obtain the past n-day target cell busy time measurement report and the inter-frequency LTE cell busy time traffic co-located, and calculate ssltedl through the following formula (6):

[0090] ssltedlc1 = min (ssltedlc1, ssltedlc2) ; (6)

[0091] Wherein, ssltedlc1 is the traffic volume which can be migrated to the co-site cell based on the coverage capability calculation, and ssltedlc2 is the traffic volume which can be migrated to the co-site cell based on the capacity capability calculation.

[0092] Optionally, in the embodiment of the present application, the above ssltedlc1 = sDL x rc; wherein, rc = nrsrp1 / nrsrp, nrsrp is the total rsrp sampling point number of the past n days busy hour measurement report (MR) of the target cell, and nrsrp1 is the sampling point number of the rsrp greater than or equal to RSRP1 in the past n days busy hour measurement report (MR) of the target cell; RSRP1 = RSRPe + δ, RSRPe is the minimum RSRP value that meets the required business experience (for example, it can be taken as -110dBm), and δ is the coverage difference coefficient caused by the frequency band, which can be calculated based on the link budget and is related to the frequency band of the target cell network, the frequency band of the co-site coverage inter-frequency cell and the propagation model.

[0093] For example, the frequency band of the target cell is 900MHz, the co-site coverage inter-frequency cell is 2100MHz, the general urban scene, NR900MHz is based on Okumura-Hata model, NR2100MHz is based on Cost231-Hata model, and the value of δ is 12.

[0094] Optionally, in the embodiment of the present application, ssltedlc2 = ssdlmax-ssdlr; wherein, ssdlmax is the maximum traffic volume supported by the inter-frequency co-site cell per hour, which can be obtained by simulation or experimental data, and ssdlr is the average busy hour traffic volume of the co-site coverage cell in the past n days.

[0095] Optionally, in the embodiment of the present application, nDL’ = nDLLTE-A1 x (sltedl x rnrue + ssltedl) - A2.

[0096] The determination method of the above sUL’ and nUL’ can refer to the related description in the above embodiment, and will not be repeated here to avoid repetition.

[0097] It can be understood that after determining the above sDL’, sUL’, nDL’ and nUL’, the second frequency reduction method can be used to reduce the network frequency of the target cell when each parameter is less than the corresponding second threshold value.

[0098] In the embodiments of the present application, since the target parameter can be a parameter corrected based on traffic volume that can be migrated to a different frequency LTE cell co-located with the target cell, the frequency reduction mode for network frequency reduction of the target cell determined based on the target parameter can improve the accuracy of determining the frequency reduction mode.

[0099] In the network frequency reduction method provided by the embodiments of the present application, since the frequency reduction mode for network frequency reduction of the target cell can be determined based on the estimated NR uplink traffic volume or the estimated NR downlink traffic volume, that is, the network frequency reduction of the target cell can be performed based on the estimated traffic volume after the NR network is opened, the network after frequency reduction can meet the actual demand of the cell, thereby improving the traffic experience of the cell after frequency reduction.

[0100] Optionally, before step 101, the network frequency reduction method provided by the embodiments of the present application can further include step 102.

[0101] In step 102, the network side device estimates the NR downlink traffic volume of the target cell based on the first parameter in the preset time, and estimates the NR uplink traffic volume of the target cell based on the second parameter in the preset time.

[0102] In the embodiments of the present application, the first parameter includes the number of NR terminals camping on the target cell and the LTE network downlink average traffic volume, and the second parameter includes the number of NR terminals camping on the target cell and the LTE network uplink average traffic volume.

[0103] Optionally, in the embodiments of the present application, the preset time can be any time; for example, the preset time is the last 3 days, the last 7 days, or the busy hours of the last 7 days.

[0104] Optionally, in the embodiments of the present application, the NR downlink traffic volume snrdl of the target cell can be estimated by the following formula (7):

[0105] snrdl=sltedl×rnrue×α1. (7)

[0106] Optionally, in the embodiments of the present application, the NR uplink traffic volume snrul of the target cell can be estimated by the following formula (8):

[0107] snrul=slteul×rnrue×α2. (8)

[0108] In the embodiments of the present application, α1 and α2 are correction coefficients, both of which are greater than 1.

[0109] It is understandable that, due to the activation of the NR system and the improvement of service experience, users may actually use more data (users stay on 5G and find that the speed is higher and the experience is better), so the data traffic may be greater than the original data traffic on the LTE network. Therefore, correction factors α1 and α2 are set to make corrections.

[0110] For other descriptions of the parameters in formulas (7) and (8) above, please refer to the relevant descriptions in the above embodiments. To avoid repetition, they will not be repeated here.

[0111] In this embodiment of the application, before the network-side device reduces the network frequency of the target cell, it can first estimate the NR downlink traffic of the target cell based on a first parameter within a preset time period, and estimate the NR uplink traffic of the target cell based on a second parameter within a preset time period. Therefore, based on the relationship between the estimated NR traffic and the corresponding threshold, the corresponding frequency reduction method can be used to reduce the network frequency of the target cell, thereby enabling the frequency-reduced network to meet the actual needs of the cell.

[0112] This application embodiment can divide the network frequency reduction device into functional modules or functional units according to the above method example. For example, each function can be divided into a separate functional module or functional unit, or two or more functions can be integrated into one processing module. The integrated module can be implemented in hardware or in software functional modules or functional units. The module or unit division in this application embodiment is illustrative and only represents one logical functional division; other division methods may be used in actual implementation.

[0113] like Figure 2 The diagram shown is a structural schematic of a network frequency reduction device provided in an embodiment of this application. The network frequency reduction device includes a processing module 201. The processing module 201 can be used to reduce the network frequency of the target cell using a first frequency reduction method when the target cell meets a first condition; otherwise, it can reduce the network frequency of the target cell using a second frequency reduction method. The first frequency reduction method is used to ensure the quantity of NR spectrum resources, and the second frequency reduction method is used to ensure the quantity of LTE spectrum resources and UMTS spectrum resources. The first condition includes any one of the following: the estimated NR uplink traffic volume is greater than the uplink traffic volume threshold; the estimated NR downlink traffic volume is greater than the downlink traffic volume threshold.

[0114] In one possible implementation, the amount of NR spectrum resources in the first frequency reduction method is greater than the amount of NR spectrum resources in the second frequency reduction method; and / or, the sum of the amount of LTE spectrum resources and UMTS spectrum resources in the first frequency reduction method is less than the sum of the amount of LTE spectrum resources and UMTS spectrum resources in the second frequency reduction method.

[0115] In a possible implementation, the processing module 201 can be specifically configured to perform network frequency reduction on the target cell in the first frequency reduction manner when the target parameters are all less than the respective first threshold values; the target parameters include: estimated downlink traffic volume, uplink traffic volume, uplink physical resource quantity and downlink physical resource quantity of the target cell after network frequency reduction on the target cell.

[0116] In a possible implementation, the processing module 201 can be specifically configured to perform network frequency reduction on the target cell in the second frequency reduction manner when the target parameters are all less than the respective second threshold values; the target parameters include: estimated downlink traffic volume, uplink traffic volume, uplink physical resource quantity and downlink physical resource quantity of the target cell after network frequency reduction on the target cell; and the second threshold values are different from the first threshold values.

[0117] In a possible implementation, the target parameters are parameters corrected based on target traffic volume; the target traffic volume is: traffic volume that can be migrated to a different-frequency LTE cell co-located with the target cell.

[0118] In a possible implementation, the network frequency reduction apparatus can further include an estimation module; the estimation module can be configured to, before the processing module 201 performs network frequency reduction on the target cell in the first frequency reduction manner when the target cell satisfies the first condition, estimate NR downlink traffic volume of the target cell based on a first parameter in a preset time, and estimate NR uplink traffic volume of the target cell based on a second parameter in the preset time; the first parameter includes: NR terminal quantity camping on the target cell, and LTE network downlink average traffic volume; and the second parameter includes: NR terminal quantity camping on the target cell, and LTE network uplink average traffic volume.

[0119] When implemented by hardware, the processing module 201 in the embodiment of the present application can be integrated on a processor. The specific implementation manner is as shown in Figure 3 .

[0120] Figure 3 Another possible structural schematic diagram of the network frequency reduction apparatus involved in the above embodiment is shown. The network frequency reduction apparatus includes: a processor 302 and a communication interface 303. The processor 302 is configured to control and manage actions of the network frequency reduction apparatus, for example, perform steps performed by the processing module 201 described above, and / or is configured to perform other processes of the technologies described herein. The network frequency reduction apparatus can further include a memory 301 and a bus 304, the memory 301 is configured to store program codes and data of the network frequency reduction apparatus.

[0121] The memory 301 can be a memory or the like in the network frequency reduction device, and can include a volatile memory such as a random access memory, and can also include a non-volatile memory such as a read-only memory, a flash memory, a hard disk or a solid state disk, and can also include a combination of the above-mentioned memories.

[0122] The processor 302 can be a central processing unit, a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, transistor logic device, hardware component or any combination thereof, which can implement or execute the various exemplary logical blocks, modules and circuits described in combination with the disclosure. The processor can be a combination of computing functions, such as one or more microprocessor combinations, combinations of DSP and microprocessor, etc.

[0123] The bus 304 can be an extended industry standard architecture (EISA) bus or the like. The bus 304 can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Figure 3 Only one thick line is used in the figure, but it does not mean that there is only one bus or only one type of bus.

[0124] Figure 4 FIG. 17 is a structural schematic diagram of a chip 170 provided by an embodiment of the present application. The chip 170 includes one or more than two (including two) processors 1710 and a communication interface 1730.

[0125] Optionally, the chip 170 further includes a memory 1740, which can include a read-only memory and a random access memory, and provides operation instructions and data to the processor 1710. A part of the memory 1740 can also include a non-volatile random access memory (NVRAM).

[0126] In some embodiments, the memory 1740 stores the following elements, execution modules or data structures, or a subset thereof, or an extended set thereof.

[0127] In an embodiment of the present application, corresponding operations are performed by calling operation instructions (which can be stored in an operating system) stored in the memory 1740.

[0128] The processor 1710 can implement or execute various example logical blocks, units, and circuits described in connection with the disclosure. The processor can be a central processing unit, a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array, or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It can implement or execute various example logical blocks, units, and circuits described in connection with the disclosure. The processor can also be a combination of components implementing computing functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, and the like.

[0129] The memory 1740 can include a volatile memory, such as a random access memory, and can also include a non-volatile memory, such as a read only memory, a flash memory, a hard disk, or a solid state disk. The memory can also include a combination of the above-mentioned types of memories.

[0130] The bus 1720 can be an extended industry standard architecture (EISA) bus, and the like. The bus 1720 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, Figure 4 Only one line is used in the above description, but it does not mean that there is only one bus or only one type of bus.

[0131] Through the description of the above embodiments, those skilled in the art can clearly understand that, for the convenience and brevity of description, only the above-mentioned division of functional modules is taken as an example, and in actual application, the above-mentioned functions can be completed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above. The specific working process of the above-described system, device, and unit can refer to the corresponding process in the foregoing method embodiments, which will not be described here.

[0132] The embodiment of the present application provides a computer program product containing instructions, when the computer program product runs on a computer, so that the computer executes the network frequency reduction method in the method embodiment described above.

[0133] The embodiment of the present application also provides a computer readable storage medium, and the computer readable storage medium stores instructions, when the instructions run on a computer, so that the computer executes the network frequency reduction method in the method flow shown in the method embodiment described above.

[0134] The computer readable storage medium, for example, can be, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium include 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 or Flash memory), a register, a hard disk, 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, or any other medium from which a processor can read information. An exemplary storage medium is coupled to the processor such that the processor can read information from, and write information to, the storage medium. Of course, the disclosure is not limited to a particular storage medium. The processor and the storage medium can be located in an ASIC. In some embodiments, the computer readable storage medium can be a tangible medium that contains or stores a program (software) used by or in connection with an instruction execution system, apparatus, or device.

[0135] The embodiments of the present application provide a computer program product containing instructions, which, when executed on a computer, cause the computer to perform the network frequency reduction method as Figure 1 described above.

[0136] Since the network frequency reduction apparatus, the computer readable storage medium and the computer program product in the embodiments of the present application can be applied to the above method, the technical effects they can obtain can be referred to the above method embodiments, which will not be described here in detail.

[0137] In several embodiments provided in the present application, it should be understood that the disclosed system, device and method can be implemented by other means. For example, the above-described device embodiments are only illustrative, for example, the division of the units is only a logical function division, and actual implementation can have another division manner, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the displayed or discussed units can be indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.

[0138] The units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment scheme.

[0139] In addition, each functional unit in each embodiment of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit.

[0140] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any change or replacement within the technical scope disclosed in the present application should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A network frequency reduction method, characterized by, The method comprises: In a case where the target parameters are all less than respective corresponding first threshold values and the target cell satisfies a first condition, performing network frequency reduction on the target cell by using a first frequency reduction mode; otherwise, performing network frequency reduction on the target cell by using a second frequency reduction mode; the target parameters comprise estimated downlink traffic volume, uplink traffic volume, uplink physical resource quantity and downlink physical resource quantity of the target cell after network frequency reduction is performed on the target cell; the target parameters are parameters corrected based on target traffic volume; wherein the target traffic volume is traffic volume that can be migrated to a different-frequency LTE cell co-located with the target cell; The first frequency reduction mode is used to ensure a quantity of new radio (NR) frequency spectrum resources, and the second frequency reduction mode is used to ensure a quantity of long term evolution (LTE) frequency spectrum resources and a quantity of universal mobile telecommunications system (UMTS) frequency spectrum resources; The first condition comprises any one of the following: The estimated NR uplink traffic volume is greater than an uplink traffic volume threshold value; The estimated NR downlink traffic volume is greater than a downlink traffic volume threshold value; The quantity of NR frequency spectrum resources in the first frequency reduction mode is greater than the quantity of NR frequency spectrum resources in the second frequency reduction mode; and / or, a sum of the quantity of LTE frequency spectrum resources and the quantity of UMTS frequency spectrum resources in the first frequency reduction mode is less than a sum of the quantity of LTE frequency spectrum resources and the quantity of UMTS frequency spectrum resources in the second frequency reduction mode.

2. The method of claim 1, wherein, The method of performing network frequency reduction on the target cell by using the second frequency reduction mode comprises: In a case where the target parameters are all less than respective corresponding second threshold values, performing network frequency reduction on the target cell by using the second frequency reduction mode; The second threshold values are different from the first threshold values.

3. The method of claim 1, wherein, The method of performing network frequency reduction on the target cell by using the first frequency reduction mode in a case where the target parameters are all less than respective corresponding first threshold values and the target cell satisfies a first condition; Otherwise, before performing network frequency reduction on the target cell by using the second frequency reduction mode, the method further comprises: Estimating NR downlink traffic volume of the target cell based on a first parameter in a preset time, and estimating NR uplink traffic volume of the target cell based on a second parameter in the preset time; The first parameter comprises a quantity of NR terminals camping on the target cell and LTE network downlink average traffic volume; The second parameter comprises the quantity of NR terminals camping on the target cell and LTE network uplink average traffic volume.

4. A network frequency reduction device, characterized by The apparatus comprises a processing module; The processing module is configured to perform network frequency reduction on the target cell by using a first frequency reduction mode in a case where target parameters are all less than respective corresponding first threshold values and the target cell satisfies a first condition. Otherwise, network down-scaling is performed on the target cell in a second down-scaling manner; the target parameters include: estimated downlink traffic volume, uplink traffic volume, uplink physical resource quantity and downlink physical resource quantity of the target cell after network down-scaling is performed on the target cell; the target parameters are parameters corrected based on target traffic volume; wherein the target traffic volume is: traffic volume that can be migrated to a different frequency LTE cell co-located with the target cell The first down-scaling manner is used to ensure the quantity of NR frequency spectrum resources, and the second down-scaling manner is used to ensure the quantity of LTE frequency spectrum resources and the quantity of UMTS frequency spectrum resources. The first condition includes any of the following: The estimated NR uplink traffic volume is greater than an uplink traffic volume threshold value; The estimated NR downlink traffic volume is greater than a downlink traffic volume threshold value; The quantity of NR frequency spectrum resources in the first down-scaling manner is greater than the quantity of NR frequency spectrum resources in the second down-scaling manner; and / or, the sum of the quantity of LTE frequency spectrum resources and the quantity of UMTS frequency spectrum resources in the first down-scaling manner is less than the sum of the quantity of LTE frequency spectrum resources and the quantity of UMTS frequency spectrum resources in the second down-scaling manner.

5. The apparatus of claim 4, wherein The processing module performs network down-scaling on the target cell in a second down-scaling manner, including: in the case that all target parameters are less than the respective second threshold values, performing network down-scaling on the target cell in the second down-scaling manner; The target parameters include: estimated downlink traffic volume, uplink traffic volume, uplink physical resource quantity and downlink physical resource quantity of the target cell after network down-scaling is performed on the target cell; The second threshold values are different from the first threshold values.

6. The apparatus of claim 4, wherein, The apparatus further includes an estimation module; The estimation module is configured to, in the case that the processing module performs network down-scaling on the target cell in the first down-scaling manner in the case that all target parameters are less than the respective first threshold values and the target cell meets the first condition, estimate the NR downlink traffic volume of the target cell based on a first parameter within a preset time, and estimate the NR uplink traffic volume of the target cell based on a second parameter within the preset time before performing network down-scaling on the target cell in the second down-scaling manner; The first parameter includes: the number of NR terminals camping on the target cell, and LTE network downlink average traffic volume; The second parameter includes: the number of NR terminals camping on the target cell, and LTE network uplink average traffic volume.

7. A network frequency reduction device, characterized by The apparatus includes: A processor and a communication interface; the communication interface and the processor are coupled, and the processor is configured to run computer programs or instructions to implement the network down-scaling method as described in any of claims 1-3.

8. A computer-readable storage medium having stored therein instructions, the computer-readable storage medium comprising: When a computer executes the instructions, the computer executes the network down-scaling method as described in any of claims 1-3.

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