Energy-saving method and apparatus

Abstract

The present application belongs to the technical field of communications. Provided are an energy-saving method and apparatus, so as to save on energy and reduce the energy supply cost. The method comprises: a first management device acquiring first energy supply information of each of N access network devices; on the basis of the first energy supply information of each of the N access network devices, the first management device determining turn-off priorities of the N access network devices, wherein if an ith access network device has a higher turn-off priority, it indicates that the ith access network device is required to be preferentially turned off; and on the basis of the turn-off priorities of the N access network devices, the first management device determining, from among the N access network devices, an access network device that is required to be turned off. In addition, first energy supply information and first energy consumption information of each of N access network devices can both be taken into consideration, so as to increase the network utilization rate and improve the energy efficiency.

Description

Energy saving method and device

[0001] The present application claims priority from the Chinese patent application No. 202410873556.5 filed on June 28, 2024, and entitled "Energy saving method and device", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the field of communication technology, in particular to an energy saving method and device. BACKGROUND

[0003] With the development of wireless communication technology, more and more radio access technologies (RATs) are applied, and these different radio access technologies constitute different mode base station systems. Different modes have different frequency bands, and one mode can include multiple frequency bands. If a base station can support multiple radio access technologies, the base station is called a multi-mode base station, and the multi-mode base station can have multiple cells of different modes (i.e., different frequency bands); if a base station has multiple cells belonging to different frequency bands, the base station is called a multi-band base station. With the development of multi-mode base stations and multi-band base stations, more and more physical areas are simultaneously covered by multiple cells of different frequency bands, so the number of cells that user equipment can access is also increasing, which provides the possibility of migrating user equipment to achieve base station energy saving.

[0004] Currently, when operators consider base station energy saving, they only optimize network parameters to minimize the energy consumption per bit of data at the wireless network energy consumption layer, navigate users to high energy efficiency base stations to achieve energy saving and cost reduction, but do not consider the problem that migration may cause energy consumption to be mismatched with energy supply capacity and energy supply cost. SUMMARY

[0005] The embodiments of the present application provide an energy saving method and device to achieve energy saving and cost reduction of access network equipment, and to achieve energy supply and energy consumption balance of access network equipment, guarantee network availability, and improve energy efficiency.

[0006] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0007] In a first aspect, an energy saving method is provided. The method can be executed by a first management device, a module (e.g., a processor, a chip, or a chip system) applied to the first management device, or logic nodes, logic modules, or software capable of implementing all or part of the functions of the first management device. For convenience of description, the method is described below as being executed by the first management device. The method comprises: obtaining, by the first management device, first energy supply information of N access network devices, the first energy supply information of an i-th access network device in the N access network devices being used to indicate a case of supplying energy to the i-th access network device in a first time period; determining, by the first management device, shutdown priorities of the N access network devices according to the first energy supply information of the N access network devices, the i-th access network device needing to be preferentially shut down if the shutdown priority of the i-th access network device is higher; and determining, by the first management device, access network devices needing to be shut down in the N access network devices according to the shutdown priorities of the N access network devices, wherein N is an integer greater than 1, i is any integer from 1 to N, and service areas of the N access network devices are adjacent to each other.

[0008] Based on the method of the first aspect, the first management device determines the shutdown priorities of the N access network devices according to the first energy supply information of the N access network devices, and determines the access network devices needing to be shut down in the N access network devices according to the shutdown priorities of the N access network devices. Based on the method, when the access network devices need to be optimized for energy saving, the devices with high shutdown priorities can be preferentially considered for shutdown, thereby saving energy and reducing energy supply cost. Then, the first energy consumption information of the N access network devices can be combined to ensure that the cell users of the N access network devices can normally communicate while saving energy and reducing energy supply cost, to balance the energy supply and consumption of the access network devices, to ensure network availability, and to improve energy efficiency.

[0009] In a possible design, the method of the first aspect further comprises: receiving, by the first management device, second energy supply information of the N access network devices from a second management device, the second energy supply information of the i-th access network device in the N access network devices being used to indicate a case of supplying energy to the i-th access network device in a second time period, wherein the second time period is before the first time period, and the second time period is a historical time period and the first time period is a future time period; and correspondingly, obtaining, by the first management device, the first energy supply information of the N access network devices comprises: determining, by the first management device, the first energy supply information of the N access network devices according to the second energy supply information of the N access network devices.

[0010] One possible design scheme, the first aspect of the method further includes, the first power supply information of the i-th access network device includes at least one of the following: the first power supply cost of the i-th access network device, the first power supply energy of the i-th access network device, or the first power supply duration of the i-th access network device.

[0011] Optionally, the shutdown priority of the i-th access network device is related to the first power supply cost of the i-th access network device, and / or the first power supply energy of the i-th access network device, and / or the first power supply duration of the i-th access network device.

[0012] Optionally, the first power supply information of the i-th access network device and the shutdown priority of the i-th access network device satisfy the following relationship:

[0013] Among them, P′ i Q represents the initial shutdown priority of the i-th access network device. i R is the first power supply duration for the i-th access network device. i S represents the initial power supply cost for the i-th access network device. i Q is the initial power supply energy for the i-th access network device. i R i and S i It is a positive number greater than zero;

[0014] The initial shutdown priority of the i-th access network device and the shutdown priority of the i-th access network device satisfy the following relationship:

[0015] Among them, P i The shutdown priority of the i-th access network device.

[0016] Optionally, the first management device obtains the first energy consumption information of each of the N access network devices. The first energy consumption information of the i-th access network device among the N access network devices is used to indicate the energy consumption of the i-th access network device in the first time period.

[0017] Optionally, the first management device receives second energy consumption information from each of the N access network devices from the third management device. The second energy consumption information of the i-th access network device among the N access network devices is used to indicate the energy consumption of the i-th access network device during a second time period. The second time period is before the first time period, the second time period is a historical time period, and the first time period is a future time period. Correspondingly, the first management device obtains first energy consumption information from each of the N access network devices, including: the first management device determines the first energy consumption information of each of the N-th access network devices based on the second energy consumption information of each of the N access network devices.

[0018] Optionally, the first energy consumption information of the ith access network device comprises at least the first energy consumption of the ith access network device.

[0019] Optionally, the first management device presets W sets of combination manners of the off parameters, each set of combination manners comprising N off parameters of the access network devices, and the off parameters are used to indicate the access network devices that need to be turned off; the first management device iterates through the W sets of combination manners, and determines W' sets of combination manners according to that, after users served by the access network devices that are turned off are switched to the access network devices that are not turned off according to the switching parameters, the first energy supply of each of the access network devices that are not turned off is greater than the first energy consumption; the switching parameters are used to indicate that, in the case that the conditions of the switching parameters are met, the users served by the access network devices that are turned off need to be switched to the target access network devices; the first management device determines the jth set of combination manners from the W' sets of combination manners according to the off priorities of the N access network devices; and W is an integer between 2 N -2, w and j are any integers between 1 and W, and W' is an integer greater than or equal to 1 and less than W. It can be understood that, by considering the first energy supply information and the first energy consumption information of the N access network devices together, the energy supply of the base station and the energy consumption balance can be achieved, the network availability can be guaranteed, and the energy saving and the energy supply cost can be reduced at the same time.

[0020] Optionally, when the first management device iterates through each set of combination manners in the W sets of combination manners, the first management device presets M sets of switching parameters; the first management device iterates through the M sets of switching parameters, and determines M' sets of switching parameters corresponding to the W' sets of combination manners respectively according to that, under the mth set of switching parameters, the first energy supply of each of the access network devices that are not turned off is greater than / equal to the first energy consumption, and the difference between the first energy supply of each of the access network devices that are not turned off and the first energy consumption is less than that of other parameters except the mth set of switching parameters; and m and M' are any integers between 1 and M.

[0021] Optionally, the first management device determines the jth set of combination manners from the W' sets of combination manners according to the off priorities of the N access network devices comprises that: the first management device determines the jth set of combination manners from the W' sets of combination manners according to that, under each set of combination manners in the W' sets of combination manners, the absolute value square of the difference between the off priority of each of the N access network devices and the off parameter is accumulated. It can be understood that, when the users of the cells of the N access network devices need to be switched, the users are preferentially switched to the access network devices with low off priorities, so that the energy efficiency is improved.

[0022] In a second aspect, an energy saving device is provided, which comprises modules (or units or means) for executing the method of the first aspect.

[0023] In one possible design, the energy-saving device described in the second aspect may further include a transceiver. This transceiver may be a transceiver circuit or an interface circuit. The transceiver can be used for communication between the energy-saving device described in the second aspect and other communication devices.

[0024] In one possible design, the energy-saving device described in the second aspect may further include a memory. This memory may be integrated with the processor or disposed separately. The memory may be used to store the instructions involved in the first aspect.

[0025] In the embodiments of this application, the energy-saving device described in the second aspect may be a first management device, or a chip (system) or other component or assembly disposed in the first management device, or a device containing the first management device.

[0026] It is understood that the technical effects of the device described in the second aspect can also be referred to the relevant introduction of the energy-saving method in the first aspect above, and will not be repeated here.

[0027] Thirdly, an energy-saving device is provided. The energy-saving device includes a processor coupled to a memory, the processor executing instructions stored in the memory to cause the energy-saving device to perform the method described in the first aspect.

[0028] In one possible design, the energy-saving device described in the third aspect may further include a transceiver. This transceiver may be a transceiver circuit or an interface circuit. The transceiver can be used for communication between the energy-saving device described in the third aspect and other communication devices.

[0029] In the embodiments of this application, the energy-saving device described in the third aspect may be the first management device described in the first aspect, or a chip (system) or other component or assembly that may be disposed in the first management device, or a device that includes the first management device.

[0030] Furthermore, the technical effects of the energy-saving device described in the third aspect can be referred to the technical effects of the energy-saving method described in the first aspect, and will not be repeated here.

[0031] Fourthly, an energy-saving device is provided, comprising: a processor and a memory; the memory is used to store instructions that, when executed by the processor, cause the energy-saving device to perform the method as described in the first aspect.

[0032] In one possible design, the energy-saving device described in the fourth aspect may further include a transceiver. This transceiver may be a transceiver circuit or an interface circuit. The transceiver can be used for communication between the energy-saving device described in the first aspect and other communication devices.

[0033] In the embodiments of the present application, the energy-saving device of the fourth aspect can be the first management device of the first aspect, or a chip (system) or other components or assemblies provided in the first management device, or a device containing the first management device.

[0034] In addition, the technical effects of the energy-saving device of the fourth aspect can refer to the technical effects of the energy-saving method of the first aspect, which will not be repeated here.

[0035] In the fifth aspect, a chip is provided, which includes a controller and an interface circuit, wherein the controller is configured to interact with other devices through the interface circuit to execute the energy-saving method of the first aspect.

[0036] In the sixth aspect, a communication system is provided. The communication system includes a device configured to execute the method of the first aspect.

[0037] In the seventh aspect, a computer-readable storage medium is provided, which includes a computer program or instructions, when the computer program or instructions are executed, the energy-saving method of the first aspect is executed.

[0038] In the eighth aspect, a computer program product is provided, which includes a computer program or instructions, when the computer program or instructions are executed, the energy-saving method of the first aspect is executed. BRIEF DESCRIPTION OF DRAWINGS

[0039] FIG. 1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present application;

[0040] FIG. 2 is a flowchart of an energy-saving method according to an embodiment of the present application;

[0041] FIG. 3 is a diagram of the relationship between the traffic and energy consumption of the ith access network device;

[0042] FIG. 4 is a flowchart of an energy-saving method according to an embodiment of the present application;

[0043] FIG. 5 is a schematic diagram of an energy-saving device according to an embodiment of the present application;

[0044] FIG. 6 is a schematic diagram of an energy-saving device according to an embodiment of the present application;

[0045] FIG. 7 is a schematic diagram of an energy-saving device according to an embodiment of the present application. DETAILED DESCRIPTION

[0046] The technical solutions of the embodiments of the present application can be applied to various communication systems, such as a wireless network (Wi-Fi) system, a vehicle to everything (V2X) communication system, a device to device (D2D) communication system, a vehicle networking communication system, a 4th generation (4G) mobile communication system such as a long term evolution (LTE) system, a worldwide interoperability for microwave access (WiMAX) communication system, a 5th generation (5G) mobile communication system such as a new radio (NR) system, and a future communication system, etc.

[0047] For the convenience of understanding, the technical terms involved in the present application are introduced first as follows.

[0048] 1. Cell, also known as cellular cell, refers to a part or all of the area covered by the signal of a base station in a cellular mobile communication system. In this area, electronic devices can communicate with the base station through a wireless channel.

[0049] It should be noted that the cell in the embodiments of the present application refers to a region covered by the signal of a base station, not a physical region. For example, the same physical region can be covered by cells of different base stations, and the standard and frequency of the cells in the physical region can be the same or different. The electronic device is an electronic device with data processing and transceiving capability or a device (such as a chip or an integrated circuit, etc.) in an electronic device. The electronic device can include a terminal device or a network side device.

[0050] 2. RSRP

[0051] Reference signal received power (RSRP) is one of the parameters used to represent the received signal strength in a mobile communication system, commonly used in LTE and 5G networks. It represents the power level of the reference signal received by the mobile device from the base station, and is one of the important indicators for measuring signal strength.

[0052] The larger the value of RSRP, the stronger the received signal. In LTE and 5G networks, the unit of RSRP is usually dBm (decibel milliwatt), which can be represented by a negative value, for example, -80 dBm represents a signal 80 decibels stronger than 1 milliwatt.

[0053] 3、Normalization calculation generally refers to converting data into a specific range of values to eliminate the differences in dimensions and value ranges between different features, making the data easier to compare and analyze, and avoiding the impact of different scales between different features. The purpose of normalization calculation is to scale the data to a standard range, usually 0, 10, 1 or [-1, 1] or [-1, 1].

[0054] Common normalization methods include:

[0055] (1) Min-Max Scaling: scaling data between a specified minimum and maximum value. The specific calculation formula is:

[0056] where X is the original data, X min and X max are the minimum and maximum values of the original data, respectively.

[0057] (2) Z-score standardization: converting data to a distribution with a mean of 0 and a standard deviation of 1. The specific calculation formula is:

[0058] where X is the original data, μ is the mean of the original data, and σ is the standard deviation of the original data.

[0059] The above two methods are commonly used in normalization calculation, and there are other normalization calculation methods, which are not explained one by one here. In addition, in the embodiments of the present application, the Min-Max Scaling method is usually used, but other methods are also applicable.

[0060] 4、Energy saving scheme based on energy consumption of each bit of data in the energy layer to optimize network parameters

[0061] The energy saving means adopted by the operator is that the scheme optimization personnel selects several relatively fixed time periods (generally time periods with low network traffic and fewer users, such as 0 to 6 o'clock) and sets them as the sleep time of the base station through network management to achieve the effect of reducing the energy consumption of the wireless network. At the same time, in the optimization process, the scheme optimization personnel will also divide the base stations covering relatively closed areas into a base station cluster according to the actual network coverage, and set different experience degradation upper limits for different base station clusters according to the business scenarios of the base station cluster, for example:

[0062] For VIP areas that the customer focuses on protecting, such as high-speed rail stations, hospitals, government departments, etc., define as lossless clusters, with an experience degradation upper limit of 1%, and no matter how many users there are, the base station cannot be closed for energy saving operation, otherwise it will be difficult to cope with the traffic impact of sudden emergency scenarios;

[0063] For the area with low initial rate, such as the core area CBD, etc., due to the large number of users, the user rate of this area is generally low, and it is defined as experience priority, and the experience deterioration upper limit is 5%. When energy saving is performed, if the base station is directly closed, it will cause further deterioration of user experience, so the power reduction method is adopted to obtain energy saving benefit while minimizing the impact on user experience;

[0064] For the area with medium initial rate, such as schools, etc., it is defined as energy saving and experience balance, and the experience deterioration upper limit is 10%. When energy saving is performed, some base stations with fewer users can be closed to obtain energy saving benefit;

[0065] For the area with high initial rate and more network frequency layers, such as street gardens, etc., it is defined as energy saving priority, and the experience deterioration upper limit is 15%. More aggressive energy saving operations can be performed, and the energy saving means of closing base stations and reducing the power of base stations can be used for such areas to obtain more energy saving benefit.

[0066] According to different scenarios and business requirements, different damage levels are set. The scheme optimization personnel decides which base stations to close and which base stations to adjust the power to reduce the energy consumption of the wireless network under the condition that the experience deterioration does not exceed the upper limit.

[0067] However, the current end-to-end communication system can be divided into energy-consuming layer and energy-supplying layer. The energy-consuming layer is the wireless network that generates energy consumption, and the energy-supplying layer is composed of the energy-supplying system of each base station. The common energy-supplying energy of the base station energy-supplying system includes city power, green energy (such as solar energy, wind energy), oil machine, etc. In terms of energy-supplying capacity, city power may be out of power, green energy is greatly affected by natural factors such as light and wind speed, so the energy supply is unstable, and the energy-supplying capacity is weak, while the oil machine can be started and stopped at any time, and there is no energy supply limit, so the energy-supplying capacity is the strongest. In terms of energy supply cost, green energy is a zero-cost energy, city power has a low cost, and the oil cost of oil machine is the highest. Different base stations are configured with different energy, resulting in great difference in energy supply cost and energy supply capacity.

[0068] The prior art only optimizes network parameters to minimize the energy consumption per bit of data of the wireless network energy-consuming layer, and navigates users to high energy efficiency base stations to achieve energy saving and consumption reduction, but does not consider the difference in base station energy supply capacity and energy supply cost, resulting in mismatch between energy consumption and energy supply capacity and energy supply cost. Specifically, there are the following two problems:

[0069] (1) In the scenario where the energy supply capacity of the energy system configured by the high energy efficiency base station is poor (such as a pure city power base station), the prior art navigates users to this base station, and due to unstable power supply, the network availability is low.

[0070] (2) in the scenario of high energy supply cost of the energy system configured by the high energy efficiency base station (such as an oil engine base station), the prior art navigates the user to the base station, and due to the high energy supply cost, the green energy station energy is wasted, and the energy efficiency is low.

[0071] To solve the above technical problems, embodiments of the present application propose the following technical solutions.

[0072] The technical solutions in the present application will be described below with reference to the drawings.

[0073] In the embodiments of the present application, "indication" can include direct indication and indirect indication, and can also include explicit indication and implicit indication. The information indicated by a certain information is referred to as to-be-indicated information, and there are many ways to indicate the to-be-indicated information in the specific implementation process, for example, but not limited to, the to-be-indicated information can be directly indicated, such as the to-be-indicated information itself or the index of the to-be-indicated information. The to-be-indicated information can also be indirectly indicated by indicating other information, where the other information and the to-be-indicated information have an association relationship. The to-be-indicated information can also be indicated only by a part of the to-be-indicated information, and the other part of the to-be-indicated information is known or agreed in advance. For example, the indication of a specific information can also be achieved by means of the pre-agreed (for example, the protocol stipulates) arrangement order of each information, thereby reducing the indication overhead to a certain extent. At the same time, the common part of each information can be identified and indicated uniformly, so as to reduce the indication overhead caused by separately indicating the same information.

[0074] In addition, the specific indication method can also be various existing indication methods, for example, but not limited to, the above-mentioned indication methods and various combinations thereof. The specific details of various indication methods can refer to the prior art, and will not be described herein. As can be seen from the above, for example, when multiple information of the same type needs to be indicated, the indication methods of different information can be different. In the specific implementation process, the required indication method can be selected according to the specific needs, and the selected indication method is not limited by the embodiments of the present application, so that the indication method involved in the embodiments of the present application should be understood as covering various methods that can enable the to-be-indicated party to know the to-be-indicated information.

[0075] It should be understood that the to-be-indicated information can be sent as a whole, or can be sent separately as multiple sub-information, and the transmission period and / or transmission occasion of the sub-information can be the same or different. The specific transmission method is not limited by the embodiments of the present application. The transmission period and / or transmission occasion of the sub-information can be pre-defined, for example, pre-defined according to the protocol, or configured by the sending end device by sending configuration information to the receiving end device.

[0076] In the present application, "sending information" can be understood as a device sending information to another device, or a logical module sending information to another logical module within the device. For example, "a network device sending information" can be understood as the network device sending information to another device (e.g., a terminal or another network device), or a logical module 1 in the network device sending information to a logical module 2 in the network device.

[0077] In the present application, "receiving information" can be understood as a device receiving information from another device, or a logical module receiving information from another logical module within the device. For example, "a network device receiving information" can be understood as the network device receiving information from another device (e.g., a terminal or another network device), or a logical module 1 in the network device receiving information from a logical module 2 in the network device.

[0078] In the present application, "sending information to (e.g., a terminal)" or related illustrations in the drawings can be understood as the destination of the information being the terminal. This can include directly or indirectly sending information to the terminal. "Receiving information from (e.g., a terminal)" or "receiving information sent by (e.g., a terminal)" or related illustrations in the drawings can be understood as the source of the information being the terminal, which can include directly or indirectly receiving information from the terminal. The information can be processed as necessary between the source and the destination of the information, such as format changes, etc., but the destination can understand the valid information from the source. Similar expressions in the present application can be similarly understood, and will not be repeated here.

[0079] "Predefined" or "preconfigured" can be implemented by pre-storing corresponding codes, tables or other means for indicating related information in a device, and the embodiments of the present application do not limit the specific implementation manner. Wherein, "storing" can mean storing in one or more memories. The one or more memories can be separately arranged or integrated in the encoder or decoder, processor, or communication device. The one or more memories can be partially separately arranged and partially integrated in the decoder, processor, or communication device. The type of memory can be any form of storage medium, and the embodiments of the present application do not limit this.

[0080] The "protocol" involved in the embodiments of the present application can refer to a protocol family in the communication field, a standard protocol similar to the frame structure of the protocol family, or a related protocol applied to a future communication system, and the embodiments of the present application do not limit this.

[0081] In the embodiments of the present application, "when", "in the case of", "if" and the like all refer to the device making corresponding processing under certain objective circumstances, and are not limited to time, and do not require the device to have a judgment action when implemented, nor does it mean that there are other limitations.

[0082] In the description of the embodiments of the present application, unless otherwise specified, " / " represents that the objects before and after the " / " are in an "or" relationship, for example, A / B can represent A or B; "and / or" in the embodiments of the present application is only a description of the association relationship of the associated objects, and represents that there can be three relationships, for example, A and / or B can represent: A alone, A and B together, and B alone, where A and B can be singular or plural. In addition, in the description of the embodiments of the present application, unless otherwise specified, "multiple" means two or more than two. "At least one of the following" or the like means any combination of the items, including any combination of single item or multiple items. For example, at least one of a, b or c can represent: a, b, c, a-b, a-c, b-c, or a-b-c, where a, b, and c can be single or multiple. In addition, in order to clearly describe the technical solutions of the embodiments of the present application, in the embodiments of the present application, "first", "second", and the like are used to distinguish the same items or similar items with basically the same function and effect. Those skilled in the art can understand that "first", "second", and the like do not limit the quantity and execution order, and "first", "second", and the like do not necessarily mean different. At the same time, in the embodiments of the present application, "exemplary" or "for example" is used to represent as an example, illustration or description. Any embodiment or design scheme described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as more preferred or more advantageous than other embodiments or design schemes. Rather, "exemplary" or "for example" is used to present the relevant concept in a specific manner, for understanding.

[0083] The network architecture and service scenarios described in the embodiments of the present application are used to more clearly illustrate the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application. Those skilled in the art can know that, as network architectures evolve and new service scenarios appear, the technical solutions provided by the embodiments of the present application are also applicable to similar technical problems.

[0084] In order to facilitate understanding of the embodiments of the present application, first, a communication system applicable to the embodiments of the present application is described in detail. For example, as shown in FIG. 1, the communication system mainly includes at least one of the following: an access network device, a user equipment, a first management device.

[0085] The access network device, which can also be referred to as a RAN node, RAN entity or access node, etc., constitutes a part of the communication system and helps terminals to access the wireless communication. The access network device can be a base station, an evolved Node B (eNodeB), an access point (AP), a transmission reception point (TRP), a next generation Node B (gNB), a base station in future mobile communication systems, or an access node in a WiFi system, etc. The access network device can be a macro base station, a micro base station or an indoor station, a relay node or a donor node, or a wireless controller in a CRAN scenario. Optionally, the access network device can also be a server, a wearable device, a vehicle or a vehicle-mounted device, etc. For example, the access network device in vehicle to everything (V2X) technology can be a road side unit (RSU). The access network device in the present application can also be implemented by software functions running on hardware, or virtualized functions instantiated on a platform (e.g., a cloud platform). The access network device in the present application can also be a logical node, a logical module or software that can implement all or part of the functions of the access network device. The access network device can be a central unit (CU), a distributed unit (DU), a CU-control plane (CP), a CU-user plane (UP), or a radio unit (RU), etc. The CU and the DU can be separately arranged or included in the same network element, such as a baseband unit (BBU). The RU can be included in a radio frequency device or a radio frequency unit, such as a remote radio unit (RRU), an active antenna processing unit (AAU) or a remote radio head (RRH).

[0086] A user equipment (UE) can be referred to as a terminal, an access terminal, a subscriber unit, a subscriber station, a mobile station (MS), a mobile, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or a user device. The terminal in the embodiments of the present application can be a mobile phone, a cellular phone, a smart phone, a Pad, a wireless data card, a personal digital assistant computer (PDA), a wireless modem, a handset, a laptop computer, a machine type communication (MTC) terminal, a computer with wireless transceiver function, a virtual reality (VR) terminal, an augmented reality (AR) terminal, a wireless terminal in industrial control, a wireless terminal in self driving, a wireless terminal in remote medical treatment, a wireless terminal in smart grid, a wireless terminal in transportation safety, a wireless terminal in smart city, a wireless terminal in smart home, a vehicle-mounted terminal, a road side unit (RSU) with terminal function, and the like. The terminal in the present application can also be a vehicle-mounted module, a vehicle-mounted module, a vehicle-mounted component, a vehicle-mounted chip, or a vehicle-mounted unit built in a vehicle as one or more components or units.

[0087] Further, the user device can request an associated access network device, and after the association is successful, the access network device can communicate with the user device. The link between the access network device and the user device can include various types of connection media, including wired links (e.g., optical fiber), wireless links, or a combination of wired and wireless links, etc. For example, the near distance connection technology can include 802.11b / g, Bluetooth, Zigbee, radio frequency identification (RFID), ultra wideband (UWB) technology, wireless short-range communication system (e.g., vehicle-mounted wireless short-range communication system), etc. For another example, the long distance connection technology can include Long Term Evolution (LTE) based communication technology, 5th generation mobile networks or 5th generation wireless systems (5th-Generation, 5G or 5G technology), global system for mobile communications (GSM), general packet radio service (GPRS), universal mobile telecommunications system (UMTS), etc.

[0088] The first management device is a platform that can provide computing resources and services, which can be used to run complex computing tasks, simulations, data processing, etc., and can be an online tool platform such as a Power star cloud platform. The naming of the first management device is only an example, which can be a computing server or other possible naming.

[0089] The communication system can also include a second management device and a third management device, wherein the second management device is an energy management system that can be used to monitor, control and optimize energy use, which usually includes hardware devices (such as sensors, metering devices, actuators, etc.) and software systems (such as data acquisition, analysis, control algorithms, etc.) to help effectively manage energy, improve energy efficiency, and reduce energy costs. The naming of the second management device is only an example, which can be an energy management system or other possible naming.

[0090] The third management device can be used to control the access network device to collect measurement data, which can include cell traffic and energy consumption data, etc. The access network device collects 24-hour cell traffic and cell energy consumption information every day, and reports the measurement data to the third management device in real time. After collecting the measurement data, the third management device can fit the relationship between the access network device traffic (i.e. the sum of cell traffic on the access network device) and the access network device energy consumption by using the collected data, and can further predict the energy consumption of each access network device in the future period when the access network device is turned off or the cell user is migrated. The naming method of the third management device is only an example, and can be an energy management system or other possible naming methods.

[0091] It should be noted that in the embodiments of the present application, a physical area can be determined first, and then a set of access network devices on the physical area and a set of cells corresponding to each access network device are determined. Then, the energy saving method provided in the embodiments of the present application is used to realize the switching of user equipment in the set of cells, so as to realize the energy saving of the access network devices on the physical area. In addition, the physical area can also be referred to as a target area or an energy saving area.

[0092] Among them, there are N access network devices on the physical area, and the operating parameter data and MR data of the N access network devices are reported to the first management device, so that the first management device knows the cells corresponding to each access network device and the co-coverage between the access network devices on the physical area.

[0093] The energy saving method and device will be further introduced below in combination with the drawings. It can be understood that the first management device is taken as an example in the present application. For example, the method executed by the first management device in the present application can also be executed by a module (such as a chip, a chip system, or a processor) applied to the first management device, and can also be realized by a logic node, a logic module or software which can realize all or part of the functions of the first management device.

[0094] The interaction process between the devices in the communication system will be introduced in detail below through the method embodiments.

[0095] FIG. 2 is a flowchart of an energy saving method provided by the embodiments of the present application. The energy saving method is applicable to the above-mentioned communication system, and mainly involves the first management device, the access network device and the user equipment. The method can be realized based on the architecture shown in FIG. 1, and the method includes the following steps or all the steps:

[0096] S201, the first management device acquires first energy supply information of N access network devices respectively.

[0097] The first energy supply information of the i th access network device of the N access network devices is used to indicate a case of supplying energy to the i th access network device in a first time period. N is an integer greater than 1, and i is an arbitrary integer in the interval (1, N].

[0098] The first time period can be any time period in the future, such as a certain day in the future, a certain week in the future, a certain month in the future, or a T time period in the future, which is not limited herein.

[0099] The case of supplying energy to the i th access network device in the first time period can include at least one of the following: a first energy supply cost of the i th access network device, a first energy supply energy of the i th access network device, or a first energy supply duration of the i th access network device.

[0100] The first energy supply cost of the i th access network device refers to all fees required for the energy supply system to provide energy or power to the i th access network device in the first time period, which can include fuel cost, storage cost, and processing cost, etc. For example, the amount of fees required for the energy supply system to provide energy or power to the i th access network device in a T time period in the future.

[0101] The first energy supply energy of the i th access network device refers to the total amount of energy that the energy supply system can provide to the i th access network device in the first time period, which can be expressed by units of joule or kilowatt-hour, etc. For example, the total amount of energy that the energy supply system can provide to the i th access network device in a T time period in the future is 500 kilowatt-hours.

[0102] The first energy supply duration of the i th access network device refers to the total duration that the energy supply system can provide energy to the i th access network device in the first time period. For example, the total duration that the energy supply system can provide energy to the i th access network device in a T time period (e.g., T is 24 hours) in the future is 18 hours.

[0103] In the embodiments of the present application, the first management device can obtain the first energy supply information of the N access network devices in various ways, such as obtaining from the local or from other devices, which will be introduced as follows.

[0104] In one possible implementation, the first management device receives the second energy supply information of the N access network devices from the second management device, and the first management device calculates and obtains the first energy supply information of the N access network devices according to the second energy supply information of the N access network devices.

[0105] The second energy supply information of the i th access network device of the N access network devices is used to indicate a case of supplying energy to the i th access network device in a second time period.

[0106] The second time period can be any time period in history, such as a certain day in history, a certain week in history, a certain month in history, a historical T period, which is not limited herein. In addition, the second time period is before the first time period.

[0107] The i-th access network equipment powered in the second time period can include at least one of the following: the second power supply cost of the i-th access network equipment, the second power supply energy of the i-th access network equipment, or the second power supply duration of the i-th access network equipment.

[0108] The second power supply cost of the i-th access network equipment refers to all fees required by the power supply system to provide energy or power to the i-th access network equipment in the second time period, which can include fuel cost, storage cost, and processing cost, etc. For example, the amount of fees required by the power supply system to provide energy or power to the i-th access network equipment in the historical T period.

[0109] The second power supply energy of the i-th access network equipment refers to the total amount of energy that the power supply system can provide to the i-th access network equipment in the second time period, which can be expressed in units of joules or kilowatt-hours, etc. For example, the total amount of energy that the power supply system can provide to the i-th access network equipment in the historical T period is 500 kilowatt-hours.

[0110] The second power supply duration of the i-th access network equipment refers to the total duration that the power supply system can provide energy to the i-th access network equipment in the second time period. For example, the total duration that the power supply system can provide energy to the i-th access network equipment in the historical T period (e.g., T is 24 hours) is 18 hours.

[0111] In addition, the presentation of the second power supply information of each of the N access network equipment can be in the form shown in Table 1:

[0112] Table 1

[0113] Wherein, Day0-Day K represents the 0th day, the 1st day, the 2nd day, …, the Kth day (K is a positive integer greater than 0) of the historical period, t0, t1, t2 represent the 0th moment, the 1st moment, the 2nd moment, …, of each day in the table, information 0-0 represents the second power supply information (including the second power supply cost, the second power supply energy and the second power supply duration) of the 0th day of the 0th moment of the access network equipment, information 0-1 represents the second power supply information (including the second power supply cost, the second power supply energy and the second power supply duration) of the 1st day of the 0th moment of the access network equipment, and the meanings of other contents in the table are similar.

[0114] For each access network equipment, the first management device respectively establishes an autoregressive model of the second power supply cost, the second power supply energy and the second power supply duration:

[0115] wherein Cost K (t), ES K (t), Duration K (t) represent the second energy supply cost, the second energy supply energy and the second energy supply duration at time t on the Kth day of the history, respectively, Cost d (t), ES d (t), Duration d (t) represent the second energy supply cost, the second energy supply energy and the second energy supply duration at time t on the dth day of the history, respectively, d represents a specific day in the K days (Day0 to DayK-1) of the history, and takes any integer value in the interval [0, k-1], and t represents the time t on the dth day.

[0116] In addition, a d , β d , γ d are model parameters, which are solved by the least square method:

[0117] wherein X ɑ is of the form is the historical data matrix of the second energy supply cost in the K days of the history, Y ɑ is of the form is the historical data matrix of the second energy supply cost of the previous day. X β , Y β , X γ , Y γ Similarly, are matrices composed of the second energy supply energy and the second energy supply duration of the access network device.

[0118] That is, according to the historical data of K+1 days of the history, the model parameters are determined, and subsequently, the first energy supply cost, the first energy supply energy and the first energy supply duration of each access network device in the T period on the K+1th day (at present, the Kth day) can be obtained by the following formulas, respectively.

[0119] wherein Cost K+1 (T), ES K+1 (T), Duration K+1 (T) represent the first energy supply cost, the first energy supply energy and the first energy supply duration on the K+1th day, which are determined according to the known model parameters a d , β d , γ d , and the second energy supply cost, the second energy supply energy and the second energy supply duration in the T period from the 1st to the Kth day.

[0120] In another possible implementation, the first management device directly obtains the first energy supply information of the N access network devices from the second management device.

[0121] Different from the above implementation, at this time, the second management device respectively establishes an autoregressive model of the second energy supply cost, the second energy supply energy and the second energy supply duration, and according to the autoregressive model, the historical data and the model parameters of each access network device, the second management device respectively calculates the first energy supply cost, the first energy supply energy and the first energy supply duration of each access network device in the future T time period. The specific calculation manner is the same as that of the first management device, and will not be described here.

[0122] It can be understood that the first energy supply information is only an exemplary name, and can be replaced by any possible name, such as future energy supply information, or any energy supply information that can be used to represent a future time period can be covered within the protection scope of the present application. Similarly, the second energy supply information is only an exemplary name, and can be replaced by any possible name, such as historical energy supply information, or any energy supply information that can be used to represent a historical time period can be covered within the protection scope of the present application. Similarly, the first energy supply cost, the first energy supply energy and the first energy supply duration, and the second energy supply cost, the second energy supply energy and the second energy supply duration, are only exemplary names, and can be replaced by any possible name, which will not be described here.

[0123] S202, the first management device determines the shutdown priority of the N access network devices according to the first energy supply information of the N access network devices, and the higher the shutdown priority of the i-th access network device is, the more the i-th access network device needs to be preferentially shut down.

[0124] The first energy supply cost, the first energy supply energy and the first energy supply duration of each access network device in the future T time period obtained according to the above steps can be calculated by the following two formulas to calculate the shutdown priority of each access network device in the future T time period.

[0125] First, the initial shutdown priority of the i-th access network device is calculated as follows.

[0126] Where Q i is the first energy supply duration of the i-th access network device, that is, Duration K (T) in the above steps; R i is the first energy supply cost of the i-th access network device, that is, Cost K (T) in the above steps; S i is the first energy supply energy of the i-th access network device, that is, ES K (T) in the above steps; Q i , R iand S i is a positive number greater than zero;

[0127] Further, the switching-off priority of the i th access network device is calculated, that is, the initial switching-off priority of the i th access network device is normalized to avoid the influence of different scales of data between different access network devices, so that the data is more easily compared and analyzed.

[0128] In the embodiments of the present application, the data is scaled between a specified minimum value and a maximum value, that is, between (0, 1). It can be understood that in the subsequent implementation, the initial switching-off priority data can also be scaled between other minimum values and maximum values, such as (-1, 1), which is not limited herein.

[0129] It can be understood that the switching-off priority can also be replaced by the energy priority, and the formula for calculating the initial energy priority is The other steps and meanings are consistent with the switching-off priority, and will not be repeated here.

[0130] In addition, the above-mentioned switching-off priority is only an exemplary name, which can also be replaced by any possible name, such as sleep priority, or other possible names, which will not be repeated here.

[0131] S203, the first management device determines the access network device to be switched off among the N access network devices according to the switching-off priorities of the N access network devices.

[0132] According to the calculation step of the switching-off priority in step S202, the higher the energy supply cost is, the shorter the energy supply duration is, and the higher the switching-off priority of the access network device is. Therefore, the first management device can preferentially switch off the access network device with a high switching-off priority.

[0133] In summary, the first management device obtains the first energy supply information of each of the N access network devices, and determines the switching-off priorities of the N access network devices according to the first energy supply information of each of the N access network devices, wherein the higher the switching-off priority of the i th access network device is, the more the i th access network device needs to be preferentially switched off; and the first management device determines the access network device to be switched off among the N access network devices according to the switching-off priorities of the N access network devices. Based on the method, when the access network device needs to be optimized for energy saving, the device with a high switching-off priority can be preferentially considered to be switched off, so as to save energy and reduce the energy supply cost.

[0134] In the embodiments of the present application, the first energy supply information and the first energy consumption information of the N access network devices can be considered together, so that the energy supply cost can be reduced while ensuring the normal communication of the cell users of the N access network devices, and the energy supply and consumption balance of the access network devices can be achieved, and the network availability can be ensured. In addition, when the cell users of the N access network devices need to switch, they can be preferentially guided to the access network devices with low shutdown priority, and the energy efficiency can be improved. Details are as follows.

[0135] In a possible design, in the method, the first management device can further acquire the first energy consumption information of the N access network devices.

[0136] The first energy consumption information of the i th access network device in the N access network devices is used to indicate the energy consumption of the i th access network device in the first time period. N is an integer greater than 1, and i is any integer in the interval (1, N].

[0137] The first time period can be any future time period, such as a future day, a future week, a future month, or a future T time period, which is not limited herein. The first time period is the same as the first time period in step S201.

[0138] The energy consumption of the i th access network device in the first time period at least includes the first energy consumption of the i th access network device, and can further include other energy consumption related information, which is not described herein.

[0139] The first energy consumption of the i th access network device refers to the total energy consumption of the i th access network device in the first time period, which can be expressed by joule or kilowatt-hour. For example, the total energy consumption of the i th access network device in the future T time period is 500 kilowatt-hours.

[0140] The first management device acquires the first energy consumption information of the N access network devices in the following manner: the first management device receives the second energy consumption information of the N access network devices from the third management device, and the first management device determines the first energy consumption information of the N access network devices according to the second energy consumption information of the N access network devices. The second energy consumption information of the i th access network device in the N access network devices is used to indicate the energy consumption of the i th access network device in the second time period. The second time period can be any historical time period, such as a historical day, a historical week, a historical month, or a historical T time period, which is not limited herein. In addition, the second time period is before the first time period. The second time period is the same as the second time period in step S201.

[0141] The energy consumption of the i th access network device in the second time period includes at least the second energy consumption of the i th access network device, and can also include other energy consumption related information, which is not described herein.

[0142] The second energy consumption of the i th access network device refers to the total amount of energy consumed by the i th access network device in the second time period, which can be expressed in units of joules or kilowatt hours. For example, in the historical T time period, the total amount of energy consumed by the i th access network device is 500 kilowatt hours of energy.

[0143] For each access network device, the first management device can fit a relationship between the traffic and energy consumption of each access network device in a certain historical time period, for example: the second energy consumption information of the i th access network device includes 24 hours of traffic and energy consumption data, and the relationship between the traffic and energy consumption of the i th access network device is defined as thp i,t is the traffic of the i th access network device at time t, and EC i,t is the energy consumption of the i th access network device at time t, and 24 sets of data are used to fit the relationship f between the traffic and energy consumption of the i th access network device, that is: EC i,t = f(thp i,t )

[0144] In addition, thp i,t is the traffic of the i th access network device at time t, that is, the total traffic of all cells under the i th access network device at time t, and EC i,t is the energy consumption of the i th access network device at time t, that is, the total energy consumption of all cells under the i th access network device at time t.

[0145] For example, as shown in FIG. 3, the relationship between the traffic and energy consumption of the i th access network device is: EC i,t = 0.0323thp i,t + 0.0776.

[0146] The relationship between the traffic and energy consumption of each access network device based on a certain historical time period is related to the traffic of the cells under each access network device, and when predicting the energy consumption of each access network device at a future time or in a future time period, the change in cell traffic due to user migration between cells under each access network device needs to be considered.

[0147] In one possible implementation, the first management device can define a cell handover parameter thr for all cells (i.e., n cells, and n is a positive integer greater than N) under N access network devices in a physical area. When cell b and cell a satisfy the condition RSRP b - RS R P a≥ thr, the users in cell a can migrate to cell b. That is, when the first management device monitors the linear average of all reference signals received by cell b in real time RSRP b is greater than or equal to the switching parameter thr, the users in cell a can migrate to cell b. a

[0148] In addition, when the access network device corresponding to a cell is turned off, the first management device can no longer receive the reference signal of the cell, that is, RSRP = -∞db, or RSRP = -999db.

[0149] Subsequently, when the state of the access network device changes and / or under the limitation of the cell switching parameter, the switching matrix of each cell is calculated as follows respectively represent the switching matrix of the first cell to the nth cell, and each element P' a,b represents whether the users in cell a can migrate to cell b, where a and b are any integer in the interval [1, N].

[0150] By considering whether cell b and cell a satisfy the condition of RSRP b - RSRP a ≥ thr_a, to determine whether the users in cell a can migrate to the users in cell b, where thr_a is the switching parameter of cell a. If the above condition is met, the users in cell a can migrate to the users in cell b, and at this time, the value of P' a,b is 1; if the above condition is not met, the users in cell a cannot migrate to the users in cell b, and at this time, the value of P' a,b is 0. For example, the users in the first cell can migrate to the users in the first cell (remain unchanged), and the value of P' 1,1 is 1, and for example, the users in the first cell can migrate to the users in the second cell, and the value of P' 1,2 is 1, and for example, the users in the first cell cannot migrate to the users in the nth cell, and the value of P' 1,n is 0.

[0151] After the value of each element in the switching matrix of the first cell to the nth cell is determined, it can be determined that when the users in cell a migrate, they can specifically migrate to which of the n cells. That is, assuming that the users in cell a can migrate to B cells of the n cells (where the set B' can be used to represent that B cells are specifically which of the n cells), if B is a positive integer less than n and greater than zero, then the proportion of the users in cell a that can migrate to each of the B cells is p a,b ​= 1 / | B |, if B is zero, then the user of cell a has no cell that can be migrated, the proportion of the user of cell a that can be migrated to each of the B cells is p a,b = 0. Specifically, it can be expressed as:

[0152] The first management device can predict that at a future time, due to the change of the state of the access network device and / or the change of the cell switching parameter, the user of each cell will migrate, and the switching matrix is calculated by the above method, so as to determine the migration proportion of cell a to cell b (at this time, cell b is any one of the above B cells) ; Further determine that part of the traffic originally used by cell a at a future time (according to the migration proportion) will be transferred to cell b, that is, part of the energy consumed by cell a at a future time (according to the migration proportion) will be consumed by cell b.

[0153] Therefore, the traffic of cell h on the i th access network device at time t is thp h,t = ∑ a p a,h * thp a,t , a takes any integer in the interval [1, n]. The i th access network device traffic is the sum of the traffic of all cells on the i th access network device: thp' i,t = ∑ h thp h,t , h takes any integer in the interval [1, 6] if the first access network device has 6 cells.

[0154] According to the i th access network device, the relationship between the i th access network device traffic and energy consumption fitted in FIG. 3, and the calculated access network device traffic after adjusting the state of each access network device and / or the cell switching parameter at a future time t, the first energy consumption EC' of each access network device at the t time is calculated i,t = f (thp' i,t ), and the first energy consumption of each access network device in the future T period can be obtained by accumulation.

[0155] In the embodiments of the present application, as described above, there are N access network devices in the physical area, and in the energy saving method, there are multiple combination modes for turning off the N access network devices, and multiple switching parameters can also be preset. According to the first energy supply information, the first energy consumption information, and the priority of the N access network devices, the combination mode for turning off the N access network devices and the cell switching parameter are determined, which can maximize the energy supply and energy consumption balance of the access network device, guarantee the network availability, and improve the energy efficiency.

[0156] Fig. 4 is a flowchart of the energy saving method according to an embodiment of the present application, which introduces the determination of the combination mode of the shutdown of the N access network devices and the cell switching parameters.

[0157] In step S401, the first management device presets W combination modes of the shutdown parameters set.

[0158] The shutdown parameters set includes the shutdown parameters of the N access network devices, which are used to indicate the access network devices that need to be shut down in the N access network devices.

[0159] The value of W is usually 2 N -2, excluding the case that all the access network devices in the physical area are turned on or turned off.

[0160] For example, the shutdown parameters set can be represented as {(the first access network device, shutdown parameter)…(the nth access network device, shutdown parameter)}, where the value 1 of the shutdown parameter is used to indicate that the access network device enters the sleep state (i.e., shutdown), and the value 0 of the shutdown parameter is used to indicate that the access network device is enabled. The shutdown parameter of each access network device can be 0 or 1, which is not limited here.

[0161] It can be understood that the "shutdown parameters set" and "shutdown parameter" mentioned in the embodiments of the present application can also be replaced by any possible expression, such as "sleep parameters set" and "sleep parameter", which is not limited here.

[0162] In step S402, the first management device iterates through the W combination modes, and according to the switching parameters, when the users served by the access network devices that are shut down are switched to the access network devices that are not shut down, the first energy supply energy of each of the access network devices that are not shut down is greater than the first energy consumption, to determine W' combination modes.

[0163] Wherein, w is any integer in the interval [1, W], and W' is an integer greater than or equal to 1 and less than W.

[0164] The switching parameters can be generated by the first management device according to the signal strength, signal quality, network load, quality of service requirements and other factors, which are mainly used to indicate that the users served by the access network devices that are shut down need to be switched to the cells of the target access network devices under the condition that the switching parameters are met. The condition that the switching parameters are met means that the difference between the RSRP of the cell of the target access network device and the RSRP of the cell of the access network device that is shut down is greater than or equal to the switching parameters, which can be understood in the above "when the cell b and the cell a meet the condition RSRP b -RSRP a≥thr_a, users on cell a can migrate to cell b”, here, the cell of the target access network device can be understood as the cell b in the above, the cell of the shut-down access network device can be understood as the cell a, the handover parameter can be understood as thr_a, each cell corresponds to a handover parameter, and the handover parameter of each cell can be the same or different, which is not limited.

[0165] The first management device calculates first energy consumptions EC' of each access network device at a future time t, under the condition that the state of the access network device changes and / or under the limitation of the cell handover parameter i,t = f(thp' i,t ), and further obtains the first energy consumptions of the access network devices that are not shut down in a future T period by accumulation. The specific calculation manner is described above, and is not described herein.

[0166] The first management device obtains the first energy supply energy of the access network devices that are not shut down in the future T period. The specific obtaining manner is described above, and is not described herein.

[0167] By one-by-one traversing W combination manners, the first management device calculates whether the first energy consumptions of each access network device that is not shut down in the future T period can be less than or equal to the first energy supply energy according to the shut-down of the access network devices in each combination manner, and determines W' combination manners that satisfy the above condition.

[0168] For example, the first management device only shuts down the first access network device according to the first combination manner, and at this time, the first management device obtains, by calculation, that the first energy consumptions of each access network device that is not shut down in 1 hour after 24 hours are less than or equal to the first energy supply energy, and the first combination manner is one of the W' combination manners. For another example, the first management device only shuts down the Wth access network device according to the Wth combination manner, and at this time, the first management device obtains, by calculation, that the first energy consumptions of the access network devices that are not shut down in 1 hour after 24 hours are greater than the first energy supply energy, and the Wth combination manner is not one of the W' combination manners.

[0169] In addition, the above mainly introduces the case that the users on the cell of the shut-down access network device migrate to the cell of the access network device that is not shut down, and in practice, the users on the cells of some access network devices that are not shut down can also migrate to the cells of the target access network devices, which is not limited herein.

[0170] Step S403, the first management device traverses W combination manners, in the wth combination manner, traverses M switching parameters, according to the mth switching parameter, the user served by the shut down access network device is switched to the unshut down access network device, and the first energy supply energy of the unshut down access network device is greater than the first energy consumption, respectively determine W' combination manners and the M'th switching parameter corresponding to the W' combination manners.

[0171] Wherein, m, M' is any integer from 1 to M.

[0172] The difference is that the first management device can also preset multiple switching parameters, at this time, when the first management device traverses each combination manner in the W combination manners, the first management device also needs to traverse M switching parameters, calculate whether the first energy supply energy of the unshut down access network device is greater than / equal to the first energy consumption in the future T period under each switching parameter, if the first energy supply energy of the unshut down access network device is greater than / equal to the first energy consumption under the switching parameter, further calculate the square of the absolute value of the difference between the first energy supply energy and the first energy consumption of the unshut down access network device, and add up the square of the absolute value of the difference between the first energy supply energy and the first energy consumption of all unshut down access network devices to obtain the cumulative value J, so as to determine the W' combination manners and the M'th switching parameter corresponding to the W' combination manners.

[0173] For example, in the W1th combination manner, the switching parameter is Thr1, in the future T period, there are 10 unshut down access network devices, and the first energy supply energy of the 10 access network devices is greater than / equal to the first energy consumption under the switching parameter, and the square of the absolute value of the difference between the first energy supply energy and the first energy consumption of the 10 access network devices is calculated, that is,‖EC-ES‖ 2 And add up the square of the absolute value of the difference between the first energy supply energy and the first energy consumption of all unshut down access network devices to obtain J(Thr1).

[0174] In the W1th combination manner, the switching parameter is Thr2, in the future T period, there are 10 unshut down access network devices, and the first energy supply energy of the 10 access network devices is less than the first energy consumption under the switching parameter, which directly excludes the case that the switching parameter is Thr2.

[0175] In the W1th combination manner, the switching parameter is Thr3, in the future T period, there are 10 unshut down access network devices, and the first energy supply energy of the 10 access network devices is greater than / equal to the first energy consumption under the switching parameter, and the square of the absolute value of the difference between the first energy supply energy and the first energy consumption of the 10 access network devices is calculated, that is,‖EC-ES‖ 2and square the absolute value of the difference between the first energy supply and the first energy consumption of each of the not-shut-down access network devices to obtain J(Thr3).

[0176] By comparing the first energy supply of each of the not-shut-down access network devices being greater than / equal to the first energy consumption and the difference between the first energy supply and the first energy consumption of each of the not-shut-down access network devices being smaller than the switching parameters other than the kth switching parameter, the Mth switching parameter corresponding to each of the W' combination manners is determined.

[0177] For example, in the W1th combination manner, the above-mentioned switching parameters Thr1 and the switching parameter Thr3 both satisfy the first energy supply of each of the not-shut-down access network devices being greater than / equal to the first energy consumption and J(Thr3) being smaller than J(Thr1), and then the W1th combination manner corresponds to the switching parameter Thr3.

[0178] The steps S402 and S403 can be selected at random, and in actual application, can be selected according to whether multiple switching parameters are set, which is not limited herein.

[0179] In step S404, the first management device determines the jth combination manner from the W' combination manners according to the shut-down priorities of the N access network devices.

[0180] According to the steps S402 or S403, the W' combination manners and the Mth switching parameter corresponding to each of the W' combination manners (if there is only one switching parameter in the step S402, the Mth switching parameter corresponding to each of the W' combination manners is the same switching parameter) are determined.

[0181] The first management device squares the absolute value of the difference between the shut-down priority and the shut-down parameter of each of the N access network devices in each of the W' combination manners to obtain the accumulated value G, i.e. Then, the jth combination manner with the minimum accumulated value in the W' combination manners is determined according to the accumulated value G in each of the W' combination manners.

[0182] For example, N is 4, the determined two combination manners of the off parameters are respectively {(1st access network device, 1) (2nd access network device, 0) (3rd access network device, 1) (4th access network device, 1)}, {(1st access network device, 0) (2nd access network device, 0) (3rd access network device, 1) (4th access network device, 1)}, and the off priorities of each access network device have been determined through the step S202, the off priority of the 1st access network device is 0.7, the off priority of the 2nd access network device is 0.3, the off priority of the 3rd access network device is 0.6, and the off priority of the 4th access network device is 0.7, at this time, G1 =‖0.7-1‖ 2 +‖0.3-1‖ 2 +‖0.6-1‖ 2 +‖0.7-1‖ 2 ; G2 =‖0.7-0‖ 2 +‖0.3-0‖ 2 +‖0.6-1‖ 2 +‖0.7-1‖ 2 Since G1 has the minimum value, the corresponding combination manner is selected.

[0183] That is, the 1st management device can determine the jth combination manner, the off parameters of each access network device in the combination manner, and / or the Mth switching parameter of the cell corresponding to the jth combination manner, by combining the above steps.

[0184] It can be understood that if the off priority is replaced by the energy priority, the formula for calculating the initial energy priority is In the above steps, the value 0 of the off parameter is used to indicate that the access network device enters the sleep state (i.e., off), and the value 1 of the off parameter is used to indicate that the access network device is enabled. Other calculation methods are similar to the above and are not described herein.

[0185] In combination with the above method, when the 1st management device (e.g., a computing server) needs to perform energy saving management on the access network devices, the 1st management device acquires the energy supply information and energy consumption information of the 2nd management device (e.g., an energy management system) and the 3rd management device (e.g., a network management platform) in real time, and determines the off parameters of each access network device and / or the switching parameters of the cell according to the method of the embodiments of the present application. Then, the 1st management device can send relevant indication information to the 3rd management device, the indication information including the off parameters of each access network device and / or the switching parameters of the cell, and the network management platform converts the indication information into MML instructions to trigger each access network management device to perform off based on the off parameters and perform cell switching based on the switching parameters.

[0186] That is, when the first management device performs the energy saving management of the access network devices, the first management device acquires the energy supply information and the energy consumption information of the second management device and the third management device in real time, and then determines the shutdown parameter of each access network device and / or the switching parameter of the cell according to the method of the embodiments of the present application. Thus, the indication information of the shutdown parameter of each access network device and / or the switching parameter of the cell can be sent to instruct each access network management device to shut down based on the shutdown parameter and to switch between cells based on the switching parameter, so that the energy supply and energy consumption balance of the access network devices can be achieved to the maximum extent, the network availability can be guaranteed, and the energy efficiency can be improved.

[0187] The energy saving method provided by the embodiments of the present application is described in detail above in combination with FIG. 4. The energy saving device for performing the energy saving method provided by the embodiments of the present application is described in detail below in combination with FIG. 5-FIG. 7.

[0188] FIG. 5 is a structural schematic diagram of an energy saving device provided by the embodiments of the present application. As shown in FIG. 5, the energy saving device 500 includes a traffic topology identification & clustering module 501, an access network device shutdown priority calculation module 502, and a wireless network energy consumption simulation module 503, and can further include a shutdown / switching parameter calculation module 504. For the convenience of description, FIG. 5 only shows the main components of the energy saving device.

[0189] The traffic topology identification & clustering module is used for processing the basic information of the N access network devices, the cell configuration, the MR data, and the like in the embodiments of the present application.

[0190] The access network device shutdown priority calculation module is a module for implementing step S203, and how to implement it is described above and will not be repeated here.

[0191] The wireless network energy consumption simulation module is a module for implementing the first energy consumption calculation of the N access network devices, and how to implement it is described above and will not be repeated here.

[0192] The shutdown / switching parameter calculation module is a module for implementing steps S401-S404, and how to implement it is described above and will not be repeated here.

[0193] The energy saving device can further include a sending module for sending the relevant indication information to the third management device, and the indication information includes the shutdown parameter of each access network device in the shutdown parameter set and / or the switching parameter of the cell.

[0194] It can be understood that the division of the plurality of units or modules in each apparatus embodiment of the present application is only a logical division according to functions, and does not limit the specific structure of the apparatus. In a specific implementation, some of the function modules can be subdivided into more detailed function modules, and some of the function modules can also be combined into one function module, but regardless of whether the function modules are subdivided or combined, the general flow performed by the apparatus is the same. Generally, each unit corresponds to respective program code (or program instructions), and the respective program code of each unit causes the corresponding flow of the unit when running on the processor, thereby implementing the corresponding function.

[0195] It can be understood that the energy-saving apparatus can be the first management device, can be a chip (system) or other components or assemblies that can be arranged in the first management device, and can also be an apparatus containing the first management device, and the present application does not limit this.

[0196] In addition, the technical effects of the energy-saving apparatus 500 can refer to the technical effects of the methods shown in FIG. 2 and FIG. 4, which are not described here again.

[0197] FIG. 6 is a structural schematic diagram of an energy-saving apparatus according to an embodiment of the present application. As shown in FIG. 6, the energy-saving apparatus 600 includes a transceiving module 601 and a processing module 602. For ease of illustration, FIG. 6 only shows the main components of the energy-saving apparatus.

[0198] The transceiving module 601 is configured to perform the transceiving function of the information transmission method, and the processing module 602 is configured to perform other functions of the information transmission method except the transceiving function.

[0199] Optionally, the transceiving module 601 can include a sending module (not shown in FIG. 6) and a receiving module (not shown in FIG. 6). The sending module is configured to implement the sending function of the energy-saving apparatus 600, and the receiving module is configured to implement the receiving function of the energy-saving apparatus 600.

[0200] Optionally, the energy-saving apparatus 600 can further include a storage module (not shown in FIG. 6), which stores a program or instructions. When the processing module 602 executes the program or instructions, the energy-saving apparatus 600 can perform the functions of the first management device in the method shown in FIG. 6 in the above method.

[0201] It can be understood that the energy-saving apparatus 600 can be the first management device, can be a chip (system) or other components or assemblies that can be arranged in the first management device, and can also be an apparatus containing the first management device, and the present application does not limit this.

[0202] In addition, the technical effects of the energy-saving apparatus 600 can refer to the technical effects of the methods shown in FIG. 2 and FIG. 4, which are not described here again.

[0203] Each component of the energy-saving device 700 will be described in detail below in combination with FIG. 7.

[0204] The processor 701 is the control center of the energy-saving device 700, and can be one processor or a collective term of multiple processing elements. For example, the processor 701 is one or more central processing units (CPUs), and can also be an application specific integrated circuit (ASIC), or one or more integrated circuits configured to implement the embodiments of the present application, such as one or more digital signal processors (DSPs), or one or more field programmable gate arrays (FPGAs).

[0205] Optionally, the processor 701 can perform various functions of the energy-saving device 700 by running or executing software programs stored in the memory 702 and calling data stored in the memory 702, such as performing the energy-saving method in the embodiments of the present application.

[0206] In a specific implementation, as an embodiment, the processor 701 can include one or more CPUs, such as the CPU0 and the CPU1 shown in FIG. 7.

[0207] In a specific implementation, as an embodiment, the energy-saving device 700 can also include multiple processors, such as the processor 701 and the processor 704 shown in FIG. 7. Each of the processors can be a single-CPU or a multi-CPU. The processor herein can refer to one or more devices, circuits, and / or processing cores for processing data (such as computer program instructions).

[0208] The memory 702 is configured to store software programs for implementing the schemes of the present application, and the processor 701 controls the execution. The specific implementation manner can refer to the above-mentioned method embodiments, and will not be described here again.

[0209] Optionally, the memory 702 can be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (RAM) or other type of dynamic storage device that can store information and instructions, an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disk storage, a magnetic disk storage or other magnetic storage devices, or any other medium capable of storing desired program code in the form of instructions or data structures and that can be accessed by a computer, but the present application is not limited thereto. The memory 702 can be integrated with the processor 701 or exist independently and be coupled to the processor 701 through an interface circuit (not shown in FIG. 7) of the energy-saving device 700, and the embodiments of the present application are not limited in this regard.

[0210] The transceiver 703 is configured to communicate with other communication devices. For example, the energy-saving device 700 is a first management device, and the transceiver 703 can be configured to communicate with a second management device or a third management device.

[0211] Optionally, the transceiver 703 can include a receiver and a transmitter (not shown in FIG. 7). The receiver is configured to implement the receiving function, and the transmitter is configured to implement the transmitting function.

[0212] Optionally, the transceiver 703 can be integrated with the processor 701 or exist independently and be coupled to the processor 701 through an interface circuit (not shown in FIG. 7) of the energy-saving device 700, and the embodiments of the present application are not limited in this regard.

[0213] It can be understood that the structure of the energy-saving device 700 shown in FIG. 7 does not constitute a limitation on the energy-saving device, and an actual energy-saving device can include more or fewer components than those shown, or combine certain components, or different component arrangements.

[0214] In addition, the technical effects of the energy-saving device 700 can refer to the technical effects of the methods described in the above method embodiments, which will not be described here.

[0215] It should be appreciated that a processor in the embodiments of the present application can be a central processing unit (CPU), and can also be other general-purpose processors, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, etc. The general-purpose processor can be a microprocessor or the processor can also be any conventional processor.

[0216] It should also be understood that the memory in the embodiments of the present application can be a volatile memory or a nonvolatile memory, or can include both volatile and nonvolatile memory. Among them, the nonvolatile memory can be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically EPROM (EEPROM) or a flash memory. The volatile memory can be a random access memory (RAM) used as an external cache. By way of example, but not limitation, many forms of random access memory (RAM) are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchlink DRAM (SLDRAM) and direct rambus RAM (DR RAM).

[0217] The above-described embodiments can be implemented in part or in whole through software, hardware (e.g., circuitry), firmware, or any combination thereof. When implemented in software, the above-described embodiments can be implemented in the form of a computer program product. The computer program product includes one or more computer instructions or computer programs. When loaded and executed by a computer, the computer instructions or computer programs can produce the processes or functions described above in accordance with the embodiments of the present application. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable apparatus. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, such as from a website site, a computer, a server, or a data center to another website site, a computer, a server, or a data center through a wired (e.g., infrared, wireless, microwave, etc.) manner. The computer-readable storage medium can be any available medium or a collection of medium accessible by a computer or a data storage device such as a server, a data center, etc. containing one or more available medium. The available medium can be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a DVD), or a semiconductor medium. The semiconductor medium can be a solid-state disk.

[0218] It should be understood that the term "and / or" in this document is merely used to describe an associated relationship between associated objects, and can represent three relationships, for example, A and / or B can represent three cases of A alone, A and B together, and B alone, where A and B can be singular or plural. In addition, the character " / " in this document generally represents an "or" relationship between the front and rear associated objects, but can also represent an "and / or" relationship. The specific meaning can be understood according to the context before and after.

[0219] In this application, "at least one" means one or more, and "multiple" means two or more. "At least one of the following" or similar expressions means any combination of the items, including any combination of single or multiple items. For example, at least one of a, b, or c can represent a, b, c, a-b, a-c, b-c, or a-b-c, where a, b, and c can be single or multiple.

[0220] It should be understood that in various embodiments of the present application, the size of the sequence number of the above-described processes does not mean the order of execution, and the execution order of the processes should be determined according to their functions and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0221] Those skilled in the art can clearly understand that the units and algorithm steps of each example described in combination with the embodiments disclosed herein can be realized by electronic hardware or a combination of computer software and electronic hardware. Whether the functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the present application.

[0222] Those skilled in the art can clearly understand that, for the convenience and brevity of the description, the specific working processes of the above-described system, device and unit can refer to the corresponding processes in the foregoing method embodiments, which will not be repeated here.

[0223] In several embodiments provided in the present application, it should be understood that the disclosed system, device and method can be implemented in other ways. For example, the above-described device embodiments are merely schematic, for example, the division of the units is only a logical function division, and actual implementation can have another division manner, for example, multiple 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 units shown or discussed can be indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.

[0224] The units described as separate components can or can not be physically separated, and the components shown as units can or can not be physical units, that is, they can be located in one place, or can be distributed on multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.

[0225] In addition, each functional unit in each embodiment of the present application can be integrated into a processing unit, or each unit can exist physically independently, or two or more units can be integrated into one unit.

[0226] If the functions are implemented in the form of software function units and sold or used as independent products, they can be stored in a computer readable storage medium. Based on this understanding, the technical solutions of the present application essentially or the parts that contribute to the prior art or parts of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a plurality of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and various media that can store program codes.

[0227] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within 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. An energy-saving method, characterized in that, Applied to a first management device, the method includes: The first management device acquires the first power supply information of each of the N access network devices. The first power supply information of the i-th access network device among the N access network devices is used to indicate the power supply situation of the i-th access network device in the first time period. The first management device determines the shutdown priority of the N access network devices based on their respective first power supply information. If the shutdown priority of the i-th access network device is higher, then the i-th access network device needs to be shut down first. The first management device determines which of the N access network devices needs to be shut down based on the shutdown priority of the N access network devices; Where N is an integer greater than 1, and i is any integer from 1 to N, and the service areas provided by the N access network devices are sequentially adjacent.

2. The method according to claim 1, characterized in that, The method further includes: The first management device receives second power supply information from each of the N access network devices from the second management device. The second power supply information of the i-th access network device among the N access network devices is used to indicate the power supply situation of the i-th access network device in a second time period. The second time period is before the first time period, the second time period is a historical time period, and the first time period is a future time period. The first management device obtains the first power supply information of each of the N access network devices, including: The first management device determines the first power supply information of each of the N access network devices based on the second power supply information of each of the N access network devices.

3. The method according to claim 1 or 2, characterized in that, The first power supply information of the i-th access network device includes at least one of the following: the first power supply cost of the i-th access network device, the first power supply energy of the i-th access network device, or the first power supply duration of the i-th access network device.

4. The method according to claim 3, characterized in that, The shutdown priority of the i-th access network device is related to the first power supply cost of the i-th access network device, and / or the first power supply energy of the i-th access network device, and / or the first power supply duration of the i-th access network device.

5. The method according to claim 4, characterized in that, The first power supply information of the i-th access network device and the shutdown priority of the i-th access network device satisfy the following relationship: Among them, P′ i Q represents the initial shutdown priority of the i-th access network device. i R is the first power supply duration of the i-th access network device. i S represents the first power supply cost of the i-th access network device. i Q is the first power supply energy for the i-th access network device. i R i and S i It is a positive number greater than zero; The initial shutdown priority of the i-th access network device and the shutdown priority of the i-th access network device satisfy the following relationship: Among them, P i The shutdown priority of the i-th access network device.

6. The method according to any one of claims 1-5, characterized in that, The method further includes: The first management device acquires the first energy consumption information of each of the N access network devices. The first energy consumption information of the i-th access network device among the N access network devices is used to indicate the energy consumption of the i-th access network device during the first time period.

7. The method according to claim 6, characterized in that, The method further includes: The first management device receives second energy consumption information from each of the N access network devices from the third management device. The second energy consumption information of the i-th access network device among the N access network devices is used to indicate the energy consumption of the i-th access network device in a second time period. The second time period is before the first time period, the second time period is a historical time period, and the first time period is a future time period. The first management device acquires the first energy consumption information of each of the N access network devices, including: The first management device determines the first energy consumption information of each of the N access network devices based on the second energy consumption information of each of the N access network devices.

8. The method according to claim 6 or 7, characterized in that, The first energy consumption information of the i-th access network device includes at least the first energy consumption of the i-th access network device.

9. The method according to claim 8, characterized in that, The method further includes: The first management device presets a set of shutdown parameters with W combinations, the set of shutdown parameters including shutdown parameters of the N access network devices, used to indicate which of the N access network devices needs to be shut down; The first management device iterates through W combinations and determines W′ combinations based on the fact that, in the w-th combination, after the user served by the shut-down access network device is switched to the non-shut-down access network device according to the switching parameters, the first power supply energy of each of the non-shut-down access network devices is greater than the first energy consumption. The switching parameters are used to indicate that, when the conditions of the switching parameters are met, the user served by the shut-down access network device needs to switch to the target access network device. The first management device determines the j-th combination method from the W′ combination methods according to the shutdown priority of the N access network devices; Where W takes the value 2 N -2, w and j are any integers from 1 to W, and W′ is an integer greater than or equal to 1 and less than W.

10. The method according to claim 9, characterized in that, The method further includes: When the first management device iterates through each of the W combination methods, the first management device presets M switching parameters; The first management device traverses M kinds of switching parameters. According to the m-th switching parameter, the first power supply energy of each of the access network devices that are not turned off is greater than or equal to the first energy consumption, and the square of the absolute value of the difference between the first power supply energy and the first energy consumption of each of the access network devices that are not turned off is less than other parameters except the m-th switching parameter. Determine the M′th switching parameter for each of the W′ combination methods; Where m and M′ are any integers from 1 to M.

11. The method according to claim 9 or 10, characterized in that, The first management device determines the j-th combination method from the W′ combination methods based on the shutdown priority of the N access network devices, including: The first management device determines the j-th combination method from the W′ combination methods by summing the squares of the absolute values ​​of the differences between the shutdown priority and shutdown parameters of the N access network devices under each of the W′ combination methods.

12. An energy-saving device, characterized in that, The apparatus includes a module for performing the method as described in any one of claims 1-11.

13. An energy-saving device, characterized in that, The energy-saving device includes a processor and a memory; the memory is used to store computer instructions, which, when executed by the processor, cause the energy-saving device to perform the method as described in any one of claims 1-11.

14. A computer-readable storage medium, characterized in that, The computer-readable storage medium includes a computer program or instructions that, when executed, cause the method as described in any one of claims 1-11 to be performed.

15. A computer program product, characterized in that, It includes a computer program or instructions that, when run, cause the method as described in any one of claims 1-11 to be performed.

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