Base station joint energy saving method, device, storage medium and electronic device

Abstract

The embodiments of the present invention provide a base station joint energy saving method, device, storage medium and electronic device. In the technical solution provided by the embodiments of the present invention, by limiting the RSRP of user terminals in the overlapping coverage area in the joint power saving cell list, joint power saving users are screened out from the user terminals; the resource utilization data of the joint power saving cell sent by the base station scheduler is received; when it is determined according to the resource utilization data that the new business volume of the joint power saving user in the first energy saving cell in the joint power saving cell meets the target condition, the joint power saving user in the first energy saving cell is migrated to the second energy saving cell in the joint power saving cell. The embodiments of the present invention consider the impact of user business on power saving in the overlapping coverage area, delay the time for the cell to shut down the power saving function, extend the power saving time, and further improve the power saving efficiency of the base station.

Description

[Technical field]

[0001] The present invention relates to the field of communication technology, and in particular to a base station joint energy saving method, device, storage medium and electronic equipment. [Background technology]

[0002] Statistics show that the energy consumption of base stations accounts for as much as 16% of network operating costs. In order to optimize the cost structure and promote social benefits, energy conservation and emission reduction at base stations has become a major goal of operators.

[0003] In the energy consumption structure of traditional macro base stations, the main equipment of the base station accounts for 50%, the radio frequency unit accounts for 80% of the main equipment energy consumption, and the power amplifier accounts for 79% of the radio frequency unit energy consumption. As distributed base stations become the mainstream way of building sites, the proportion of energy consumption of the main equipment of the base station will continue to increase. At the same time, there is often an obvious tidal effect in network traffic, with a difference of 4 times between busy and idle times, but most base station equipment always maintains a continuous operation state, and the energy consumption is not dynamically adjusted with the traffic volume, resulting in considerable waste.

[0004] At present, the power saving methods of base stations include subframe shutdown, channel shutdown or carrier shutdown. Subframe shutdown, channel shutdown and carrier shutdown are based on the traffic volume prediction to turn on and off the power amplifier (PA), radio frequency channel and carrier frequency cell respectively. When the traffic volume is low, the subframe shutdown, channel shutdown or carrier shutdown is triggered to put the base station into power saving state. However, the current base station power saving methods do not consider the impact of user services on power saving in the overlapping coverage area. [Summary of the invention]

[0005] In view of this, an embodiment of the present invention provides a base station joint energy-saving method, device, storage medium and electronic device, which delays the time for the cell to shut down the power-saving function and extends the power-saving duration by considering the impact of user services on power saving in the overlapping coverage area, thereby further improving the power-saving efficiency of the base station.

[0006] In a first aspect, an embodiment of the present invention provides a base station joint energy saving method, the method comprising:

[0007] By limiting the RSRP of user terminals in the overlapping coverage area in the joint power saving cell list, the joint power saving users are screened out from the user terminals;

[0008] receiving resource utilization data of the joint power saving cell sent by the base station scheduler;

[0009] When it is determined according to the resource utilization data that the new traffic volume of the joint power saving users in the first energy saving cell within the joint power saving cell meets the target condition, the joint power saving users in the first energy saving cell are migrated to the second energy saving cell within the joint power saving cell.

[0010] Optionally, before screening out joint power saving users from the user terminals by limiting RSRP of user terminals in the overlapping coverage area in the joint power saving cell list, the method further includes:

[0011] The joint power-saving cells that can be used for joint power saving of base stations are screened out from the overlapping coverage cells, and the joint power-saving cell list is generated.

[0012] Optionally, the joint power-saving cell includes two or more power-saving cells that have the overlapping coverage area and have the first shutdown turned on.

[0013] Optionally, by limiting the RSRP of user terminals in the overlapping coverage area in the joint power saving cell list, the joint power saving users are screened out from the user terminals, specifically including:

[0014] Receiving a first RSRP value of a first energy-saving cell and a second RSRP value of a second energy-saving cell reported by the user terminal;

[0015] Subtract the second RSRP value from the first RSRP value to obtain a third RSRP value;

[0016] Determine whether the third RSRP value is less than or equal to a first threshold, or whether the second RSRP value is greater than a second threshold;

[0017] If so, the user terminal is determined as the joint power-saving user.

[0018] Optionally, the resource utilization data includes: the new resource utilization rate occupied by the new business volume of the joint power-saving users of the first energy-saving cell, the first resource utilization rate of the first energy-saving cell, the first power-saving shutdown threshold of the first energy-saving cell, the second resource utilization rate of the second energy-saving cell, and the second power-saving shutdown threshold of the second energy-saving cell.

[0019] Optionally, the target conditions include:

[0020] The sum of the newly added resource utilization rate and the first resource utilization rate is greater than the first power-saving shutdown threshold, and the sum of the newly added resource utilization rate and the second resource utilization rate is less than the second power-saving shutdown threshold.

[0021] Optionally, the first shutdown includes sub-frame shutdown, channel shutdown or carrier shutdown.

[0022] On the other hand, an embodiment of the present invention provides a base station joint energy saving device, the device comprising:

[0023] A user screening module, configured to screen out joint power saving users from the user terminals by limiting the RSRP of the user terminals in the overlapping coverage area in the joint power saving cell list;

[0024] A receiving module, used for receiving resource utilization data of the joint power-saving cell sent by the base station scheduler;

[0025] A migration module is used to migrate the joint power-saving users in the first energy-saving cell to the second energy-saving cell in the joint power-saving cell when it is determined based on the resource utilization data that the new business volume of the joint power-saving users in the first energy-saving cell in the joint power-saving cell meets the target condition.

[0026] On the other hand, an embodiment of the present invention provides a storage medium, which includes a stored program, wherein when the program is running, the device where the storage medium is located is controlled to execute the above-mentioned base station joint energy saving method.

[0027] On the other hand, an embodiment of the present invention provides an electronic device, including a memory and a processor, wherein the memory is used to store information including program instructions, and the processor is used to control the execution of the program instructions, and is characterized in that when the program instructions are loaded and executed by the processor, the steps of the above-mentioned base station joint energy saving method are implemented.

[0028] In the technical solutions of the base station joint energy saving method, device, storage medium and electronic device provided by the embodiments of the present invention, by limiting the RSRP of user terminals in the overlapping coverage area in the joint power saving cell list, joint power saving users are screened out from the user terminals; the resource utilization data of the joint power saving cell sent by the base station scheduler is received; when it is determined according to the resource utilization data that the new business volume of the joint power saving user in the first energy saving cell in the joint power saving cell meets the target condition, the joint power saving user in the first energy saving cell is migrated to the second energy saving cell in the joint power saving cell. The embodiments of the present invention further improve the power saving efficiency of the base station by considering the impact of user business on power saving in the overlapping coverage area, delaying the time for the cell to shut down the power saving function, and extending the power saving time.

Brief Description of the Drawings

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 A schematic diagram of the PA power switch state with the subframe shutdown function turned off;

[0031] Figure 2 A schematic diagram of the PA power switch state with the subframe shutdown function enabled;

[0032] Figure 3 Schematic diagram of channel shut down;

[0033] Figure 4 This is a schematic diagram of multi-frequency networking;

[0034] Figure 5 It is a schematic diagram of overlapping coverage cells;

[0035] Figure 6 A flowchart of a base station joint energy saving method provided by an embodiment of the present invention;

[0036] Figure 7 A flowchart of a base station joint energy saving method provided by another embodiment of the present invention;

[0037] Figure 8 for Figure 7 A specific flow chart of selecting joint power saving users from user terminals by limiting the RSRP of user terminals in the overlapping coverage area in the joint power saving cell list;

[0038] Fig. 9 A schematic diagram of a combined power-saving subframe shutdown principle according to an embodiment of the present invention;

[0039] Fig.10 A schematic diagram of another joint power-saving carrier shutdown principle according to an embodiment of the present invention;

[0040] Fig.11 A schematic diagram of the structure of a base station joint energy-saving device provided by one embodiment of the present invention;

[0041] Fig.12 for Fig.11 The structural diagram of the user screening module in FIG.

[0042] Fig.13 A schematic diagram of an electronic device provided by an embodiment of the present invention. [Specific implementation method]

[0043] In order to better understand the technical solution of the present invention, the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0044] It should be clear that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] The terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The singular forms "a", "said" and "the" used in the embodiments of the present invention and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings.

[0046] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0047] First, some terms involved in the embodiments of the present invention are explained to facilitate understanding by those skilled in the art.

[0048] 1. Subframe shutdown. In actual communication, the base station is not always in the state of maximum traffic, so the symbols in the subframe are not filled with valid information at all times. In the symbol period when there is no information transmission, turn off the PA power switch; in the symbol period when there is information transmission, turn on the PA power switch.

[0049] When the subframe shutdown function is turned off, the PA power supply of the remote radio unit (RRU) is turned on at any time. After the subframe shutdown function is turned on, the base station scheduler proactively schedules downlink data to the specified symbol based on the service busyness and the service data volume prediction, and turns off the PA power supply during the remaining symbol time without valid information transmission to achieve energy saving. For example, when CP=Normal CFI=1 is configured, the maximum set of Symbol (0~13) that can be turned off in the Sub Frame of Port1 channel is {S1,S2,S3,S5,S6,S8,S9,S10,S12,S13}.

[0050] When the traffic volume is the highest, the PA power is turned on at all symbol moments, and the energy consumption is consistent with that when the subframe shutdown function is not turned on. When the traffic volume is the lowest, the PA power is turned on only when necessary business signals (such as broadcast signals, synchronization signals, etc.) are sent, and the PA power is turned off at other times, which is the most energy-efficient.

[0051] Figure 1Schematic diagram of the PA power switch status with the subframe shutdown function disabled. Figure 1 As shown, according to the service of the user equipment (UE), the service data is randomly scheduled to each orthogonal frequency division multiplexing (OFDM) symbol in the subframe, and the PA power is turned on at this time.

[0052] Figure 2 Schematic diagram of the PA power switch status with the subframe shutdown function enabled. Figure 2 As shown, the service data is centrally scheduled to certain OFDM symbols, and no service data is scheduled on the remaining OFDM symbols. At this time, the PA power supply can be turned off to achieve discontinuous transmission (DTX). After the sub-frame shutdown function is turned on, the base station is in the DTX energy-saving state.

[0053] 2. Channel shutdown. During low or no flow, one RF channel is shut down, such as Figure 3 As shown in the figure, the base station energy saving is achieved by changing from two antennas to a single antenna. The intelligent channel shutdown is controlled based on the time period strategy. When entering the energy-saving time period, the system will start energy saving; however, since the time period is set by the user, there may be sudden services in the network, or the time period may be set unreasonably. Therefore, for different energy-saving scenarios, it is necessary to further judge the current load status of the system. Intelligent channel energy saving needs to judge the physical resource block (PRB) utilization rate of the cell, the total number of online users in the cell, and the number of data users.

[0054] In order to achieve the purpose of reducing energy consumption and not affecting services at the same time, when the energy-saving cell enters the energy-saving state, it needs to be awakened at an appropriate time. The awakening scenarios are as follows:

[0055] 1) When the energy-saving time is up, the community will automatically exit the intelligent channel and shut down;

[0056] 2) The cell load increases, and the cell is awakened and the intelligent channel is shut down;

[0057] 3) The number of online users in the cell increases, and the cell is awakened and the smart channel is shut down.

[0058] 3. Carrier shutdown. In wireless dual-frequency or multi-frequency networks, such as 1.8GHz and 2.1 / 2.6GHz dual-frequency networks, the 1.8GHz low-frequency band is used for wide coverage, while the 2.1 / 2.6GHz is used to supplement capacity in hotspots. At this time, during low or no traffic periods, the high-frequency carrier frequency cells can be shut down to achieve base station energy saving.

[0059] like Figure 4 As shown in the figure, 4G consists of multiple frequency bands to form hotspot coverage, among which low-frequency band sites provide continuous coverage and high-frequency band sites provide discontinuous coverage. When the business is busy, the site covering Area B cannot enter energy saving; when the business is not busy, the site covering Area B can enter energy saving; at this time, the site covering Area A provides compensation for Area A.

[0060] The carrier shutdown is controlled based on the time period strategy. When entering the energy-saving time period, the system will start energy saving. However, since the time period is set by the user, there may be sudden services in the network, or the time period may be set unreasonably. Therefore, for different energy-saving scenarios, it is necessary to further judge the current load status of the system. Among them, the current load status of the system is as follows:

[0061] 1) PRB utilization and PRB occupancy of energy-saving cells;

[0062] 2) The number of current online data users and voice users in the energy-saving cell;

[0063] 3) Compensate for the PRB utilization rate and PRB occupancy of the cell;

[0064] 4) Compensate for the total number of online users in the cell.

[0065] Among them, the compensation cell is a cell used to provide basic coverage. In order to achieve the purpose of reducing energy consumption and not affecting services at the same time, when the energy-saving cell enters the energy-saving state, it needs to be awakened at an appropriate time. The awakening scenarios are as follows:

[0066] 1) When the energy-saving time ends, the energy-saving community automatically wakes itself up;

[0067] 2) Compensate for the increased cell load and wake up the energy-saving cell;

[0068] 3) There are too many online UEs in the compensation cell, so the energy-saving cell is awakened;

[0069] 4) Compensate for the decommissioning of the community and awaken the energy-saving community.

[0070] In summary, the power saving methods of subframe shutdown, channel shutdown and carrier shutdown are all based on the prediction of traffic volume to open and close the PA power supply, RF channel and carrier frequency cell. When the traffic volume is low, it will trigger subframe shutdown, channel shutdown or carrier shutdown, and the base station will enter the power saving state. However, the current base station power saving method does not consider the impact of user traffic on power saving in the overlapping coverage area.

[0071] like Figure 5As shown in the figure, there is an overlapping coverage area between cell A and cell B, and both cells A and B have entered the power saving state. When the user traffic in the overlapping coverage area of ​​cell A increases and reaches the condition for turning off the power saving function, cell A will turn off the power saving function and turn on the wireless resources to transmit data. At this time, cell B still has available air interface resources that are not used, and the power saving function of cell A is turned off too early, and the resources of cell B are not fully used.

[0072] Based on the above technical problems, embodiments of the present invention provide a base station joint energy saving method, device, storage medium and electronic device.

[0073] Figure 6 A flowchart of a base station joint energy saving method provided by an embodiment of the present invention is as follows Figure 6 As shown, the method includes:

[0074] Step 101: Filter out joint power saving users from user terminals by limiting RSRP of user terminals in overlapping coverage areas in the joint power saving cell list.

[0075] Step 102: Receive resource utilization data of the joint power saving cell sent by the base station scheduler.

[0076] Step 103: when it is determined according to the resource utilization data that the new traffic volume of the joint power-saving users in the first energy-saving cell in the joint power-saving cell meets the target condition, the joint power-saving users in the first energy-saving cell are migrated to the second energy-saving cell in the joint power-saving cell.

[0077] In a technical solution of a base station joint energy-saving method provided by an embodiment of the present invention, by limiting the RSRP of user terminals in the overlapping coverage area in the joint power-saving cell list, joint power-saving users are screened out from user terminals; resource utilization data of the joint power-saving cell sent by the base station scheduler is received; when it is determined based on the resource utilization data that the new business volume of the joint power-saving users of the first energy-saving cell in the joint power-saving cell meets the target condition, the joint power-saving users in the first energy-saving cell are migrated to the second energy-saving cell in the joint power-saving cell. The embodiment of the present invention considers the impact of user business on power saving in the overlapping coverage area, delays the time for the cell to shut down the power-saving function, prolongs the power-saving duration, and further improves the power-saving efficiency of the base station.

[0078] Figure 7 A flowchart of a base station joint energy saving method provided by another embodiment of the present invention is as follows: Figure 7 As shown, the method includes:

[0079] Step 201: select joint power-saving cells that can be used for joint energy saving of base stations from overlapping coverage cells, and generate a joint power-saving cell list.

[0080] In the embodiment of the present invention, each step is executed by a base station.

[0081] The embodiment of the present invention selects cells that can be used for joint power saving of base stations from overlapping coverage cells, generates a joint power saving cell list, and identifies the joint power saving cell list with UPSCL; the joint power saving cell includes two or more energy-saving cells with overlapping coverage areas and the first shutdown turned on, and the joint power saving cell is identified with UPSC. Among them, UPSCL is as follows:

[0082]

[0083] Among them, Y is the energy-saving community.

[0084] It should be noted that overlapping coverage refers to the area where signal coverage of two or more cells overlaps. Figure 5 As shown, cell A and cell B are used as joint power saving cells, and UPSC1 = [A, B].

[0085] In the embodiment of the present invention, the first shutdown includes subframe shutdown, channel shutdown or carrier shutdown.

[0086] Step 202: Filter out joint power saving users from user terminals by limiting the RSRP of user terminals in the overlapping coverage area in the joint power saving cell list.

[0087] Among them, UPSU is used to identify users who jointly save power.

[0088] In the embodiment of the present invention, Figure 8 As shown, step 202 specifically includes:

[0089] Step 2021: Receive a first RSRP value of a first energy-saving cell and a second RSRP value of a second energy-saving cell reported by a user terminal.

[0090] In the embodiment of the present invention, based on the first RSRP value of the first energy-saving cell and the second RSRP value of the second energy-saving cell in the measurement report (MR) data reported by the user terminal, Srsrp represents the first RSRP value and Nrsrp represents the second RSRP value.

[0091] Step 2022: Subtract the second RSRP value from the first RSRP value to obtain a third RSRP value.

[0092] In the embodiment of the present invention, the third RSRP value=Srsrp-Nrsrp.

[0093] Step 2023: determine whether the third RSRP value is less than or equal to the first threshold, or whether the second RSRP value is greater than the second threshold. If so, execute step 2024; if not, continue to execute step 2021.

[0094] Step 2024: determine the user terminal as a joint power saving user.

[0095] In the embodiment of the present invention, the first threshold is represented by α, and the second threshold is represented by X; α can be defined according to actual needs, and X is the minimum threshold for users to meet business needs, ensuring that user perception is not affected. If Srsrp-Nrsrp≤α or Nrsrp>X, the user terminal is defined as a joint power saving user that can be used for joint power saving. As the user's location changes, Srsrp and Nrsrp will change accordingly. If Srsrp-Nrsrp>α and Nrsrp≤X, this user terminal is no longer a joint power saving user.

[0096] Step 203: Receive resource utilization data of the joint power saving cell sent by the base station scheduler.

[0097] In an embodiment of the present invention, the resource utilization data includes: the new resource utilization rate occupied by the new business volume of the joint power-saving users of the first energy-saving cell, the first resource utilization rate of the first energy-saving cell, the first power-saving shutdown threshold of the first energy-saving cell, the second resource utilization rate of the second energy-saving cell, and the second power-saving shutdown threshold of the second energy-saving cell.

[0098] The first resource utilization rate of the first energy-saving cell includes the resource utilization rate of the first energy-saving cell on the subframe, channel or carrier frequency. The second resource utilization rate of the second energy-saving cell includes the resource utilization rate of the second energy-saving cell on the subframe, channel or carrier frequency.

[0099] Step 204: when it is determined based on the resource utilization data that the new traffic volume of the joint power-saving users in the first energy-saving cell in the joint power-saving cell meets the target condition, the joint power-saving users in the first energy-saving cell are migrated to the second energy-saving cell in the joint power-saving cell.

[0100] When the business volume of the joint power-saving users of an energy-saving cell within the joint power-saving cell increases, that is, when the new business volume of the joint power-saving users of the first energy-saving cell meets the target conditions, some of the joint power-saving users with the UPSU logo in the first energy-saving cell are migrated to other cells in the joint power-saving cell with lower resource utilization through the link between base stations, that is, the joint power-saving users in the first energy-saving cell are migrated to the second energy-saving cell in the joint power-saving cell.

[0101] In the embodiments of the present invention, the target conditions include: the sum of the new resource utilization rate and the first resource utilization rate is greater than the first shutdown power-saving cut-off threshold, and the sum of the new resource utilization rate and the second resource utilization rate is less than the second shutdown power-saving cut-off threshold.

[0102] For example, as Figure 5 shown, Community A and Community B are used as jointly power-saving communities, and both Community A and Community B are in the power-saving state. The base station scheduler monitors the resource utilization of the two communities in real time. When the number of jointly power-saving users in Community A increases, the resource utilization rate occupied by the new traffic volume of the jointly power-saving users in Community A is Δ, the first resource utilization rate of Community A when it is turned on is Aprb, and the first shutdown power-saving cut-off threshold of Community A is A-close; the second resource utilization rate of Community B when it is turned on is Bprb, and the second shutdown power-saving cut-off threshold of Community B is B-close. When the new traffic volume of the jointly power-saving users in Community A meets the target conditions, that is, Δ + Aprb > A-close and Δ + Bprb < B-close, then some of the jointly power-saving users in Community A will be migrated to Community B. The two communities can migrate some of the jointly power-saving users in Community A to Community B through the link between base stations. For example, the link between base stations in Long Term Evolution (LTE) is the X2 link, and the link between base stations in NR is the Xn link.

[0103] It should be noted that if the first energy-saving community exits the power-saving function, the jointly power-saving users migrated in the early stage can be migrated according to the original interoperation rules.

[0104] Taking subframe shutdown as an example, as Fig. 9 shown, assume that the subframe turn-on threshold of Community A, that is, the first shutdown power-saving cut-off threshold is A-close1 = 80%, and the resource utilization rate occupied by the new traffic volume of the jointly power-saving users in Community A is Δ1 = 30%; the subframe shutdown cut-off threshold of Community B, that is, the second shutdown power-saving cut-off threshold is B-close1 = 90%; the resource utilization rate of the currently turned-on subframe in Community A is Aprb1 = 60%, and the resource utilization rate of the currently turned-on subframe in Community B is Bprb1 = 20%, α = 6dB, X = -110dBm. A user terminal UE1 is at the LA1 point with Srsrp1 = -105dBm and Nrsrp1 = -113dBm, and a user terminal UE2 is at the LA2 point with Srsrp2 = -90dBm and Nrsrp2 = -100dBm.

[0105] According to the definition of the above target conditions, Aprb1+Δ1=60%+30%=90%>80%, Bprb1+Δ1=20%+30%=50%<90%. That is, the new traffic in cell A requires the opening of new wireless resources to meet the needs of data transmission. At this time, the subframe idle resources of cell B can meet the needs of the new traffic in cell A, meet the conditions for migration from cell A to cell B, and trigger the migration of joint power-saving users. According to the definition of joint power-saving users, UE1's Srsrp1-Nrsrp1>α, and Nrsrp1<-110dBm, so UE1 does not meet the conditions for joint power-saving cell users and cannot migrate. UE2's Srsrp1-Nrsrp1>α, but Nrsrp1>-110dBm, so UE2 can meet the standards of joint power-saving cell users, and eventually UE2 users will migrate to cell B for related services.

[0106] Taking channel shutdown as an example, assuming that the threshold for closing the channel shutdown function of cell A, i.e., the first power-saving shutdown threshold is A-close2=80%, and the resource utilization rate occupied by the new traffic of the joint power-saving users in cell A is Δ2=30%; the threshold for closing the channel shutdown function of cell B, i.e., the second power-saving shutdown threshold is B-close2=80%; the resource utilization rate of the current open channel in cell A is Aprb2=60%, and the resource utilization rate of the current open channel in cell B is Bprb2=20%, α=6dB, and X=-110dBm. A user terminal UE3 is at point LA3 with Srsrp3=-107dBm and Nrsrp3=-114dBm, and a user terminal UE4 is at point LA4 with Srsrp4=-95dBm and Nrsrp4=-101dBm.

[0107] According to the definition of the above target conditions, Aprb2+Δ2=60%+30%=90%>80%, Bprb2+Δ2=20%+30%=50%<90%. That is, the new traffic volume of cell A needs to open new channel resources to meet the demand for data transmission. At this time, the idle channel resources of cell B can meet the demand for the new traffic volume of cell A, meet the conditions for migration from cell A to cell B, and trigger the migration of joint power-saving users. According to the definition of joint power-saving users, UE3's Srsrp3-Nrsrp3>α, and Nrsrp3<-110dBm, does not meet the conditions for joint power-saving cell users, and cannot be migrated. UE4's Srsrp4-Nrsrp4=α, Nrsrp4>-110dBm, so UE4 can meet the standards of joint power-saving cell users, and eventually UE4 users will migrate to cell B for related services.

[0108] Take carrier shutdown as an example, Fig.10As shown, A / C cells are cells with the same coverage, A cell is a compensation cell, and C cell is an energy-saving cell. Assume that the carrier opening thresholds of A and B cells are A-close3=60% and B-close3=60% respectively, the resource utilization rate occupied by the new traffic of the joint power-saving users in A cell is Δ3=20%, the resource utilization rate of the current opened carrier in A cell is Aprb3=50%, the resource utilization rate of the current carrier in B cell is Bprb3=20%, α=6dB, and X=-110dBm. A user terminal UE5 is at point LA5 with Srsrp5=-109dBm and Nrsrp5=-113dBm, and a user terminal UE6 is at point LA6 with Srsrp6=-90dBm and Nrsrp6=-100dBm.

[0109] According to the definition of the above target conditions, Aprb3+Δ3=50%+20%=70%>60%, Bprb3+Δ3=20%+20%=40%<60%. That is, the new traffic in cell A requires cell C to meet the data transmission needs. At this time, the idle carrier resources of cell B can meet the needs of the new traffic in cell A, meet the conditions for migration from cell A to cell B, and trigger the migration of joint power-saving users. According to the definition of joint power-saving users, UE5's Srsrp5-Nrsrp5<α, and Nrsrp1<-110dBm, UE5 does not meet the joint power-saving cell user conditions and cannot be migrated. UE6's Srsrp6-Nrsrp6>α, and Nrsrp6>-110dBm, UE6 can meet the standards of joint power-saving cell users, and eventually UE6 users will migrate to cell B for related services.

[0110] Step 205: Set a penalty threshold time for the successfully migrated joint power-saving users.

[0111] In the embodiment of the present invention, a UPSC-HO tag is added to the successfully migrated joint power saving user, and according to the penalty threshold time set by the system, the power saving migration is no longer triggered within the penalty threshold time, thereby avoiding the degradation of user perception caused by frequent migration.

[0112] The embodiment of the present invention considers the impact of user services on power saving in overlapping coverage areas without affecting user experience. If there are two or more energy-saving cells with overlapping coverage areas, and when the user service volume of one of the cells increases, some users of this cell will be migrated to other cells with lower resource utilization and the same coverage, which will delay the time for the power saving function of the cell to be turned off, increase the power saving time, thereby improving the spectrum utilization efficiency and the power saving performance of the base station.

[0113] In a technical solution of a base station joint energy saving method provided by an embodiment of the present invention, joint power saving cells that can be used for joint energy saving of base stations are screened out from overlapping coverage cells, a list of joint power saving cells is generated, and joint power saving users are screened out from user terminals by limiting the RSRP of user terminals in the overlapping coverage area in the list of joint power saving cells; resource utilization data of joint power saving cells sent by the base station scheduler is received; when it is determined based on the resource utilization data that the new business volume of joint power saving users in the first energy saving cell in the joint power saving cell meets the target condition, the joint power saving users in the first energy saving cell are migrated to the second energy saving cell in the joint power saving cell, and a penalty threshold time is set for the successfully migrated joint power saving users. The embodiment of the present invention further improves the power saving efficiency of the base station by considering the impact of user business on power saving in the overlapping coverage area, delaying the time for the cell to shut down the power saving function, and extending the power saving time.

[0114] Fig.11 A schematic diagram of a base station joint energy-saving device provided by an embodiment of the present invention is shown in FIG. Fig.11 As shown, the device includes: a cell screening module 31, a user screening module 32, a receiving module 33, a migration module 34 and a setting module 35.

[0115] The cell screening module 31 is used to screen out joint power-saving cells that can be used for joint energy saving of base stations from overlapping coverage cells, and generate a joint power-saving cell list.

[0116] In the embodiment of the present invention, the joint power-saving cell includes two or more power-saving cells that have overlapping coverage areas and have the first shutdown turned on.

[0117] In the embodiment of the present invention, the first shutdown includes subframe shutdown, channel shutdown or carrier shutdown.

[0118] The user screening module 32 is used to screen out joint power saving users from user terminals by limiting the RSRP of user terminals in the overlapping coverage area in the joint power saving cell list.

[0119] The receiving module 33 is configured to receive a first RSRP value of the first energy-saving cell and a second RSRP value of the second energy-saving cell reported by a user terminal.

[0120] In the embodiment of the present invention, Fig.12 As shown, the user screening module 32 specifically includes: a calculation submodule 321 , a judgment submodule 322 and a determination submodule 323 .

[0121] The calculation submodule 321 is configured to obtain a third RSRP value by subtracting the second RSRP value from the first RSRP value.

[0122] The judgment submodule 322 is used to judge whether the third RSRP value is less than or equal to the first threshold, or whether the second RSRP value is greater than the second threshold. If so, execute step 2024; if not, continue to execute step 2021.

[0123] The judgment submodule 322 is also used to trigger the receiving module 33 to continue to execute the first RSRP value of the first energy-saving cell and the second RSRP value of the second energy-saving cell reported by the user terminal if the judgment submodule 322 determines that the third RSRP value is greater than the first threshold and the second RSRP value is less than or equal to the second threshold.

[0124] The determination submodule 323 is configured to determine the user terminal as a joint power saving user if the determination submodule 322 determines that the third RSRP value is less than or equal to the first threshold, or the second RSRP value is greater than the second threshold.

[0125] The receiving module 33 is further configured to receive resource utilization data of the joint power saving cell sent by the base station scheduler.

[0126] In an embodiment of the present invention, the resource utilization data includes: the new resource utilization rate occupied by the new business volume of the joint power-saving users of the first energy-saving cell, the first resource utilization rate of the first energy-saving cell, the first power-saving shutdown threshold of the first energy-saving cell, the second resource utilization rate of the second energy-saving cell, and the second power-saving shutdown threshold of the second energy-saving cell.

[0127] The migration module 34 is used to migrate the joint power-saving users in the first energy-saving cell to the second energy-saving cell in the joint power-saving cell when it is determined based on the resource utilization data that the new traffic volume of the joint power-saving users in the first energy-saving cell in the joint power-saving cell meets the target condition.

[0128] In the embodiment of the present invention, the target condition includes: the sum of the newly added resource utilization and the first resource utilization is greater than the first power-saving shutdown threshold, and the sum of the newly added resource utilization and the second resource utilization is less than the second power-saving shutdown threshold.

[0129] The setting module 35 is used to set a penalty threshold time for the successfully migrated joint power-saving users.

[0130] The base station joint energy saving device provided in the embodiment of the present invention can be used to achieve the above Figures 6 to 8 For the base station joint energy-saving method in the embodiment, the specific description can be referred to the above-mentioned base station joint energy-saving method, which will not be repeated here.

[0131] In a technical solution of a base station joint energy-saving device provided by an embodiment of the present invention, joint power-saving cells that can be used for joint energy-saving of base stations are screened out from overlapping coverage cells, a list of joint power-saving cells is generated, and joint power-saving users are screened out from user terminals by limiting the RSRP of user terminals in the overlapping coverage area in the list of joint power-saving cells; resource utilization data of joint power-saving cells sent by a base station scheduler is received; when it is determined based on the resource utilization data that the new business volume of joint power-saving users in the first energy-saving cell in the joint power-saving cell meets the target condition, the joint power-saving users in the first energy-saving cell are migrated to the second energy-saving cell in the joint power-saving cell, and a penalty threshold time is set for the successfully migrated joint power-saving users. The embodiment of the present invention further improves the power-saving efficiency of the base station by considering the impact of user business on power saving in the overlapping coverage area, delaying the time for the cell to shut down the power-saving function, and extending the power-saving duration.

[0132] Fig.13 This is a schematic diagram of the structure of an embodiment of an electronic device of this specification, such as Fig.13 As shown, the electronic device may include at least one processor; and at least one memory connected to the processor in communication, wherein: the memory stores program instructions executable by the processor, and the processor calls the program instructions to execute the instructions of this specification. Figure 6 to Figure 8 The illustrated embodiment provides a base station joint energy saving method.

[0133] Fig.13 A block diagram of an exemplary electronic device suitable for implementing the embodiments of the present description is shown. Fig.13 The electronic device shown is only an example and should not bring any limitation to the functions and scope of use of the embodiments of this specification.

[0134] like Fig.13 As shown, the electronic device is in the form of a general-purpose computing device. The components of the electronic device may include, but are not limited to: one or more processors 21, a memory 23, and a communication bus 24 connecting different system components (including the memory 23 and the processing unit 21).

[0135] The communication bus 24 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, a graphics acceleration port, a processor or a local bus using any of a variety of bus structures. For example, 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 Interconnection (PCI) bus.

[0136] Electronic devices typically include a variety of computer system readable media. These media can be any available media that can be accessed by the electronic device, including volatile and non-volatile media, removable and non-removable media.

[0137] The memory 23 may include a computer system readable medium in the form of a volatile memory, such as a random access memory (RAM) and / or a cache memory. The electronic device may further include other removable / non-removable, volatile / non-volatile computer system storage media. The memory 23 may include at least one program product having a set (e.g., at least one) of program modules configured to perform the functions of each embodiment of the present specification.

[0138] A program / utility having a set (at least one) of program modules may be stored in the memory 23, such program modules including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which or some combination may include an implementation of a network environment. The program modules generally perform the functions and / or methods of the embodiments described in this specification.

[0139] The processor 21 executes various functional applications and data processing by running the programs stored in the memory 23, such as implementing the Figure 6 to Figure 8 The illustrated embodiment provides a base station joint energy saving method.

[0140] The embodiment of the present specification provides a non-transitory computer-readable storage medium, wherein the non-transitory computer-readable storage medium stores computer instructions, wherein the computer instructions enable the computer to execute the present specification. Figure 6 to Figure 8The illustrated embodiment provides a base station joint energy saving method.

[0141] The above-mentioned non-transitory computer-readable storage medium can adopt any combination of one or more computer-readable media. Computer-readable media can be computer-readable signal media or computer-readable storage media. Computer-readable storage media can be, for example, - but not limited to - electrical, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices or devices, or any combination of the above. More specific examples (non-exhaustive list) of computer-readable storage media include: electrical connections with one or more wires, portable computer disks, hard disks, random access memories (RAM), read-only memories (Read Only Memory; hereinafter referred to as: ROM), erasable programmable read-only memories (Erasable Programmable Read Only Memory; hereinafter referred to as: EPROM) or flash memory, optical fibers, portable compact disk read-only memories (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination of the above. In this document, computer-readable storage media can be any tangible medium containing or storing programs, which can be used by instruction execution systems, devices or devices or used in combination with them.

[0142] Computer-readable signal media may include a data signal propagated in baseband or as part of a carrier wave, which carries a computer-readable program code. Such propagated data signals may take a variety of forms, including, but not limited to, electromagnetic signals, optical signals, or any suitable combination of the above. Computer-readable signal media may also be any computer-readable medium other than a computer-readable storage medium, which may send, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device.

[0143] 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.

[0144] Computer program code for performing the operations of this specification may be written in one or more programming languages ​​or a combination thereof, including object-oriented programming languages, such as Java, Smalltalk, C++, and conventional procedural programming languages, such as "C" or similar programming languages. The program code may be executed entirely on the user's computer, partially on the user's computer, as a separate software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer via any type of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computer (e.g., via the Internet using an Internet service provider).

[0145] The above is a description of a specific embodiment of the specification. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recorded in the claims can be performed in an order different from that in the embodiments and still achieve the desired results. In addition, the processes depicted in the drawings do not necessarily require the specific order or continuous order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0146] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of this specification. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0147] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this specification, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0148] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, segment or portion of code that includes one or more executable instructions for implementing the steps of a custom logical function or process, and the scope of the preferred embodiments of this specification includes alternative implementations in which functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in reverse order depending on the functions involved, which should be understood by technicians in the technical field to which the embodiments of this specification belong.

[0149] The word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining" or "in response to detecting", depending on the context. Similarly, the phrases "if it is determined" or "if (stated condition or event) is detected" may be interpreted as "when it is determined" or "in response to determining" or "when detecting (stated condition or event)" or "in response to detecting (stated condition or event)", depending on the context.

[0150] It should be noted that the terminals involved in the embodiments of this specification may include but are not limited to personal computers (Personal Computer; hereinafter referred to as: PC), personal digital assistants (Personal Digital Assistant; hereinafter referred to as: PDA), wireless handheld devices, tablet computers (Tablet Computer), mobile phones, MP3 players, MP4 players, etc.

[0151] In the several embodiments provided in this specification, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0152] In addition, each functional unit in each embodiment of this specification may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit may be implemented in the form of hardware or in the form of hardware plus software functional units.

[0153] The above-mentioned integrated unit implemented in the form of a software functional unit can be stored in a computer-readable storage medium. The above-mentioned software functional unit is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor (Processor) to perform some steps of the method described in each embodiment of this specification. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory; hereinafter referred to as: ROM), random access memory (Random Access Memory; hereinafter referred to as: RAM), disk or optical disk and other media that can store program codes.

[0154] The above description is only a preferred embodiment of this specification and is not intended to limit this specification. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this specification should be included in the scope of protection of this specification.

Claims

1. A base station joint energy saving method, characterized in that: The method comprises: By limiting the RSRP of user terminals in the overlapping coverage area in the joint power-saving cell list, joint power-saving users are screened out from the user terminals; the joint power-saving cell includes two or more energy-saving cells that have the overlapping coverage area and turn on the first shutdown; the first shutdown includes subframe shutdown, channel shutdown or carrier shutdown; the joint power-saving users are users in the overlapping coverage area in the joint power-saving cell list; receiving resource utilization data of the joint power saving cell sent by the base station scheduler; When it is determined according to the resource utilization data that the newly added traffic volume of the joint power-saving user in the first energy-saving cell within the joint power-saving cell meets the target condition, the joint power-saving user in the first energy-saving cell is migrated to the second energy-saving cell within the joint power-saving cell; The resource utilization data includes: the new resource utilization rate occupied by the new service volume of the joint power-saving user of the first energy-saving cell, the first resource utilization rate of the first energy-saving cell, the first power-saving shutdown threshold of the first energy-saving cell, the second resource utilization rate of the second energy-saving cell, and the second power-saving shutdown threshold of the second energy-saving cell; The target conditions include: The sum of the newly added resource utilization rate and the first resource utilization rate is greater than the first power-saving shutdown threshold, and the sum of the newly added resource utilization rate and the second resource utilization rate is less than the second power-saving shutdown threshold.

2. The base station joint energy saving method according to claim 1, characterized in that: Before selecting joint power saving users from the user terminals by limiting the RSRP of the user terminals in the overlapping coverage area in the joint power saving cell list, the method further includes: The joint power-saving cells that can be used for joint power saving of base stations are screened out from the overlapping coverage cells, and the joint power-saving cell list is generated.

3. The base station joint energy saving method according to claim 1, characterized in that: By limiting the RSRP of user terminals in the overlapping coverage area in the joint power saving cell list, the joint power saving users are screened out from the user terminals, specifically including: Receiving a first RSRP value of a first energy-saving cell and a second RSRP value of a second energy-saving cell reported by the user terminal; Subtract the second RSRP value from the first RSRP value to obtain a third RSRP value; Determine whether the third RSRP value is less than or equal to a first threshold, or whether the second RSRP value is greater than a second threshold; If so, the user terminal is determined as the joint power-saving user.

4. A base station joint energy-saving device, characterized in that: The device comprises: A user screening module is used to screen out joint power-saving users from the user terminals by limiting the RSRP of user terminals in the overlapping coverage area in the joint power-saving cell list; the joint power-saving cell includes two or more energy-saving cells that have the overlapping coverage area and turn on the first shutdown; the first shutdown includes subframe shutdown, channel shutdown or carrier shutdown; the joint power-saving users are users in the overlapping coverage area in the joint power-saving cell list; A receiving module, used for receiving resource utilization data of the joint power-saving cell sent by the base station scheduler; A migration module, configured to migrate the joint power-saving users in the first energy-saving cell to a second energy-saving cell in the joint power-saving cell when it is determined according to the resource utilization data that the newly added traffic volume of the joint power-saving users in the first energy-saving cell in the joint power-saving cell meets the target condition; The resource utilization data includes: the new resource utilization rate occupied by the new service volume of the joint power-saving user of the first energy-saving cell, the first resource utilization rate of the first energy-saving cell, the first power-saving shutdown threshold of the first energy-saving cell, the second resource utilization rate of the second energy-saving cell, and the second power-saving shutdown threshold of the second energy-saving cell; The target conditions include: The sum of the newly added resource utilization rate and the first resource utilization rate is greater than the first power-saving shutdown threshold, and the sum of the newly added resource utilization rate and the second resource utilization rate is less than the second power-saving shutdown threshold.

5. A storage medium, characterized in that: The storage medium includes a stored program, wherein when the program is running, the device where the storage medium is located is controlled to execute the base station joint energy saving method according to any one of claims 1 to 3.

6. An electronic device comprising a memory and a processor, wherein the memory is used to store information including program instructions, and the processor is used to control the execution of the program instructions, characterized in that: When the program instructions are loaded and executed by the processor, the steps of the base station joint energy saving method according to any one of claims 1 to 3 are implemented.

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