Network energy-saving wake-up method, apparatus, communication device and storage medium
By using base station data and location information to formulate a wake-up strategy, sending wake-up information to the second base station, solving the problem that the base station coverage area is weakened and the user experience guarantee of network energy-saving wake-up is achieved.
Patent Information
- Application Number
- PCT/CN2025/072851
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-02-04
- Filing Date
- 2025-01-16
- Publication Date
- 2025-08-07
AI Technical Summary
When the base station enters a low service state, the weakened or disappeared areas cannot perceive the service and wake up, and the prior art base station wake-up method affects the energy-saving effect or cannot accurately perceive user needs.
The first network device assists in network energy-saving wake-up, uses the user-related data and location information sent by the base station to formulate a wake-up strategy, and sends wake-up information to the second base station to realize network energy-saving wake-up.
Without affecting the energy-saving effect of the base station, the user experience is guaranteed and the network energy-saving awakening is achieved that fully considers user needs.
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Figure CN2025072851_07082025_PF_FP_ABST
Abstract
Description
Network energy-saving wake-up method, device, communication equipment and storage medium
[0001] CROSS-REFERENCE TO RELATED APPLICATIONS
[0002] This application is based on the Chinese patent application with application number 202410160774.4 and application date of February 4, 2024, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby incorporated into this application by introduction. Technical Field
[0003] The present application relates to the field of communication technology, and in particular to a network energy-saving wake-up method, apparatus, communication equipment, and storage medium. Background Art
[0004] When a base station enters a low-traffic state, coverage and performance perception for users at the cell edge is reduced. When a base station enters shallow or deep sleep, it no longer receives or transmits signals. Therefore, in areas with reduced or no coverage, base stations in this energy-saving state cannot sense traffic and wake up. Therefore, a collaborative approach is needed to wake up base stations.
[0005] Among the existing base station wake-up methods, one involves user equipment (UE) waking up a base station in quasi-sleep mode. However, this requires the cell to retain its uplink signal detection system even in shallow or deep sleep, impacting energy efficiency. Another method involves waking up the base station by evaluating the overall network energy efficiency, but users in dormant cells are not aware of this. Furthermore, determining the cell a user will arrive in in the future based on user trajectory and service forecasts requires extensive prediction and computation, and its accuracy remains to be verified. Summary of the Invention
[0006] The present invention provides a network energy-saving wake-up method, apparatus, communication device, and storage medium. The technical solution of the present invention is implemented as follows:
[0007] In a first aspect, an embodiment of the present application provides a network energy-saving wake-up method, the method comprising: a first network device obtains first information sent by at least one first base station; the first information includes at least first data related to a user and the user's first location information; the first network device sends second information to a second base station based on the first information, and the second information is used for network energy-saving wake-up.
[0008] In some optional embodiments of the present application, the at least one first base station includes the at least one second base station or a neighboring cell of the cell where the second base station is located.
[0009] In some optional embodiments of the present application, the user-related first data includes at least one of the following: network device user plane measurement information of the user / user group; performance indicators related to the mobility of the user / user group; performance indicators related to random access of the user / user group.
[0010] In some optional embodiments of the present application, the second information includes at least one of the following: indication information of carrier activation or awakening, indication information of channel activation or awakening, and indication information of cell activation or awakening.
[0011] In some optional embodiments of the present application, before the first network device obtains the first information sent by at least one first base station, the method also includes: the first network device sends a first subscription request to at least one third base station, the first subscription request including first subscription content and a first trigger method; the first subscription content includes second data related to the user and the second location information of the user; the first trigger method includes periodically reporting the first subscription content; or, reporting the first subscription content when a first preset trigger condition is met; wherein, the at least one third base station includes the at least one first base station, and / or the at least one third base station includes the at least one second base station.
[0012] In some optional embodiments of the present application, the first network device obtains the first information sent by at least one first base station, including: the first network device receives the first information sent by the at least one first base station according to the first triggering method.
[0013] In some optional embodiments of the present application, the user-related second data includes one or more of the following: network device user plane measurement information of the user / user group; performance indicators related to the mobility of the user / user group; performance indicators related to random access of the user / user group.
[0014] In some optional embodiments of the present application, before the first network device obtains the first information sent by at least one first base station, the method further includes: the first network device sends a second subscription request to at least one third base station, where the second subscription request includes second subscription content and a second triggering method; the second subscription content includes status information, and the second triggering method includes periodically reporting the second subscription content; or reporting the second subscription content when a second preset triggering condition is met; the at least one third base station includes at least the second base station;
[0015] Receive third information sent by the at least one third base station according to a second triggering manner, where the third information includes the second subscription content.
[0016] In some optional embodiments of the present application, the status information includes at least one of the following: carrier off state, channel off state, cell dormant state, carrier on state, channel on state, cell activated state.
[0017] In some optional embodiments of the present application, before sending the second information to the second base station according to the first information, the method also includes: when the first network device determines that the second base station is in the first state, determining whether to send the second information to the second base station according to the first information, and the second information is used for the second base station to switch from the first state to the second state.
[0018] In some optional embodiments of the present application, determining that the second base station is in the first state includes: the first network device receives third information sent by the second base station, the third information includes status information of the second base station; the first network device determines that the second base station is in the first state based on the status information.
[0019] In some optional embodiments of the present application, the first state includes at least one of the following: a carrier off state, a channel off state, and a cell dormant state.
[0020] In some optional embodiments of the present application, the first network device receives the third information sent by the second base station, including: the first network device receives the third information sent by the second base station according to the second triggering method.
[0021] In some optional embodiments of the present application, the energy-saving effect of the first state is better than the energy-saving effect of the second state.
[0022] In some optional embodiments of the present application, the method also includes: the first network device sends a third subscription request to at least one third base station, the third subscription request includes third subscription content, and the third subscription content includes the first configuration information and third location information of the base station; the at least one third base station includes the at least one first base station and / or the second base station; the first network device receives fourth information sent by the at least one third base station, and the fourth information includes the third subscription content.
[0023] In some optional embodiments of the present application, the first configuration information of the base station includes one or more of the following: frequency information of the base station, bandwidth information of the base station, user information of the base station, transmission power information of the base station, mobile management parameter configuration information of the base station, access control parameter configuration information of the base station; and / or, the third location information includes one or more of the following: location information of the base station, the relative position of the base station and the neighboring base station, the coverage range of the base station, and the coverage range of the neighboring base station.
[0024] In some optional embodiments of the present application, the method also includes: the first network device creates first relationship information related to the base station based on the first configuration information and third location information of the base station; the first relationship information includes at least base station information, neighboring base station information and trigger area information.
[0025] In some optional embodiments of the present application, the trigger area information is the overlapping coverage area between the coverage area of the base station and the coverage area of the neighboring base station.
[0026] In some optional embodiments of the present application, the method also includes: the first network device determines the second data related to the user subscribed by the base station based on the first configuration information of the base station, and determines the first threshold corresponding to each data; the first network device determines the first preset trigger condition based on at least one data corresponding to the base station and the first threshold corresponding to each data.
[0027] In some optional embodiments of the present application, the first relationship information also includes second data corresponding to the base station and a first preset trigger condition.
[0028] In some optional embodiments of the present application, the first relationship information also includes a second threshold corresponding to the base station, wherein the second threshold is used to decide whether to send the second information to the second base station.
[0029] In some optional embodiments of the present application, the first relationship information further includes a conversion relationship for converting the second data and the first threshold corresponding to each item of data into a factor.
[0030] In some optional embodiments of the present application, the method further includes: the first network device determining, based on the first relationship information, that the cell where the at least one first base station is located is a neighboring cell of the second base station.
[0031] In some optional embodiments of the present application, determining whether to send or not to send the second information to the second base station based on the first information includes: the first network device filters the first information based on the first trigger area information related to the second base station to obtain the first data of the first user who meets the first trigger area information; the first user is any user in the first information whose first location information meets the first trigger area information; the first network device converts the first data of the first user to obtain a first factor; the first network device adds the first factors corresponding to all first users who meet the first trigger area information to obtain a first value; the first network device compares the first value with the second threshold related to the second base station, and determines whether to send or not to send the second information to the second base station based on the comparison result.
[0032] In some optional embodiments of the present application, the first network device converts the first data of the first user to obtain a first factor, including: the first network device converts each item of the first data of the first user according to a corresponding conversion relationship and then adds them up to obtain the first factor.
[0033] In some optional embodiments of the present application, the first network device converts the first data of the first user according to a corresponding conversion relationship and then adds them up to obtain a first factor, including: the first network device converts the first data of the first user according to the corresponding conversion relationship and then adds them up, and multiplies the summed data by the first weight corresponding to the first user to obtain the first factor.
[0034] In some optional embodiments of the present application, determining whether to send or not to send the second information to the second base station based on the comparison result includes: when the comparison result is that the first value is greater than or equal to the second threshold, determining to send the second information to the second base station; when the comparison result is that the first value is less than the second threshold, determining not to send the second information to the second base station.
[0035] In some optional embodiments of the present application, when the first network device is an intelligent control platform in the O-RAN system, the first network device and the base station communicate and interact through the E2 interface; or, when the first network device is a control base station, the first network device and the base station communicate and interact through the X2 interface.
[0036] In the second aspect, an embodiment of the present application also provides a network energy-saving wake-up method, which is applied to a first base station, and the method includes: the first base station sends first information to a first network device, and the first information includes at least first data related to the user and the user's first location information; the first information is used by the first network device to send second information for network energy-saving wake-up to a second base station.
[0037] In some optional embodiments of the present application, the user-related first data includes at least one of the following: network device user plane measurement information of the user / user group; performance indicators related to the mobility of the user / user group; performance indicators related to random access of the user / user group.
[0038] In some optional embodiments of the present application, the second information includes at least one of the following: indication information of carrier activation or awakening, indication information of channel activation or awakening, and indication information of cell activation or awakening.
[0039] In some optional embodiments of the present application, before the first base station sends the first information to the first network device, the method also includes: the first base station receives a first subscription request sent by the first network device, the first subscription request including first subscription content and a first trigger method; the first subscription content includes second data related to the user and the user's second location information; the first trigger method includes periodically reporting the first subscription content; or, reporting the first subscription content when a first preset trigger condition is met.
[0040] In some optional embodiments of the present application, the first base station sends the first information to the first network device, including: the first base station sends the first information to the first network device according to the first triggering method.
[0041] In some optional embodiments of the present application, the user-related second data includes one or more of the following: network device user plane measurement information of the user / user group; performance indicators related to the mobility of the user / user group; performance indicators related to random access of the user / user group.
[0042] In some optional embodiments of the present application, the method also includes: the first base station receives a third subscription request sent by the first network device, the third subscription request includes third subscription content, the third subscription content includes the first configuration information and third location information of the base station; the location information includes the location of the base station and / or the relative position of the base station and the neighboring base station; the first base station sends fourth information to the first network device, and the fourth information includes the third subscription content.
[0043] In some optional embodiments of the present application, the first configuration information of the base station includes one or more of the following: frequency information of the base station, bandwidth information of the base station, user information of the base station, transmission power information of the base station, mobile management parameter configuration information of the base station, access control parameter configuration information of the base station; and / or, the third location information includes one or more of the following: location information of the base station, the relative position of the base station and the neighboring base station, the coverage range of the base station, and the coverage range of the neighboring base station.
[0044] In some optional embodiments of the present application, when the first network device is an intelligent control platform in the O-RAN system, the first network device and the first base station communicate and interact through the E2 interface; or, when the first network device is a control base station, the first network device and the first base station communicate and interact through the X2 interface.
[0045] In a third aspect, an embodiment of the present application also provides a network energy-saving wake-up method, which is applied to a second base station, and the method includes: the second base station receives second information sent by a first network device, and the second information is used for network energy-saving wake-up; the second information is sent by the first network device based on the first information sent by at least one first base station; the first information includes at least first data related to the user and the user's first location information.
[0046] In some optional embodiments of the present application, the at least one first base station includes the at least one second base station or a neighboring cell of the cell where the second base station is located.
[0047] In some optional embodiments of the present application, the user-related first data includes at least one of the following: network device user plane measurement information of the user / user group; performance indicators related to the mobility of the user / user group; performance indicators related to random access of the user / user group.
[0048] In some optional embodiments of the present application, the second information includes at least one of the following: indication information of carrier activation or awakening, indication information of channel activation or awakening, and indication information of cell activation or awakening.
[0049] In some optional embodiments of the present application, before the second base station receives the second information sent by the first network device, the method also includes: the second base station receives a first subscription request sent by the first network device, the first subscription request including first subscription content and a first trigger method; the first subscription content includes second data related to the user and the user's second location information; the first trigger method includes periodically reporting the first subscription content; or, reporting the first subscription content when a first preset trigger condition is met; the second base station sends the first information to the first network device according to the first trigger method.
[0050] In some optional embodiments of the present application, the user-related second data includes one or more of the following: network device user plane measurement information of the user / user group; performance indicators related to the mobility of the user / user group; performance indicators related to random access of the user / user group.
[0051] In some optional embodiments of the present application, before the second base station receives the second information sent by the first network device, the method also includes: the second base station receives a second subscription request sent by the first network device, the second subscription request includes second subscription content and a second trigger method; the second subscription content includes status information, and the second trigger method includes periodic reporting of the second subscription content; or, reporting the second subscription content when a second preset trigger condition is met; the second base station sends third information to the first network device according to the second trigger method, and the third information includes status information of the second base station.
[0052] In some optional embodiments of the present application, the status information includes at least one of the following: carrier off state, channel off state, cell dormant state, carrier on state, channel on state, cell activated state.
[0053] In some optional embodiments of the present application, before the second base station receives the second information sent by the first network device, the method also includes: the second base station receives a third subscription request sent by the first network device, the third subscription request includes third subscription content, and the third subscription content includes the first configuration information and third location information of the base station; the second base station sends fourth information to the first network device, and the fourth information includes the third subscription content.
[0054] In some optional embodiments of the present application, the first configuration information of the base station includes one or more of the following: frequency information of the base station, bandwidth information of the base station, user information of the base station, transmission power information of the base station, mobile management parameter configuration information of the base station, access control parameter configuration information of the base station; and / or, the third location information includes one or more of the following: location information of the base station, the relative position of the base station and the neighboring base station, the coverage range of the base station, and the coverage range of the neighboring base station.
[0055] In some optional embodiments of the present application, when the first network device is an intelligent control platform in the O-RAN system, the first network device and the second base station communicate and interact through the E2 interface; or, when the first network device is a control base station, the first network device and the second base station communicate and interact through the X2 interface.
[0056] In the fourth aspect, an embodiment of the present application also provides a network energy-saving wake-up device, which is applied to a first network device, and the device includes: a first communication unit, configured to obtain first information sent by at least one first base station; the first information includes at least first data related to the user and the user's first location information; and is also used to send second information to a second base station based on the first information, and the second information is used for network energy-saving wake-up.
[0057] In the fifth aspect, an embodiment of the present application also provides a network energy-saving wake-up device, which is applied to a first base station, and the device includes: a second communication unit, configured to send first information to a first network device, wherein the first information includes at least first data related to the user and the user's first location information; the first information is used by the first network device to send second information for network energy-saving wake-up to the second base station.
[0058] In the sixth aspect, an embodiment of the present application also provides a network energy-saving wake-up device, which is applied to a second base station, and the device includes: a third communication unit, configured to receive second information sent by a first network device, and the second information is used for network energy-saving wake-up; the second information is sent by the first network device based on the first information sent by at least one first base station; the first information includes at least first data related to the user and the user's first location information.
[0059] In the seventh aspect, an embodiment of the present application further provides a computer-readable storage medium on which a computer program is stored. When the program is executed by a processor, the steps of the network energy-saving wake-up method described in the first aspect, second aspect or third aspect of the embodiment of the present application are implemented.
[0060] In an eighth aspect, an embodiment of the present application further provides a communication device, comprising a memory, a processor, and a computer program stored on the memory and runnable on the processor. When the processor executes the program, the steps of the network energy-saving wake-up method described in the first, second, or third aspects of the embodiment of the present application are implemented.
[0061] In a ninth aspect, an embodiment of the present application further provides a computer program product, comprising computer program instructions, which enable a communication device to execute the steps of the network energy-saving wake-up method described in the first, second or third aspect of the embodiment of the present application.
[0062] The network energy-saving wake-up method, apparatus, communication equipment, and storage medium provided in the embodiments of the present application formulate a wake-up strategy through a first network device based on first user-related data and first location information of the user sent by a first base station, and send second information for network energy-saving wake-up to a second base station, that is, network energy-saving wake-up is performed in a collaborative manner, comprehensively considering the user experience, and ensuring the user experience without affecting the energy-saving effect of the base station. BRIEF DESCRIPTION OF THE DRAWINGS
[0063] FIG1 is a flow chart of a network energy-saving wake-up method according to an embodiment of the present application;
[0064] FIG2 is a second flow chart of the network energy-saving wake-up method according to an embodiment of the present application;
[0065] FIG3 is a third flow chart of the network energy-saving wake-up method according to an embodiment of the present application;
[0066] FIG4 is a schematic diagram of a process for creating first relationship information in a network energy-saving wake-up method according to an embodiment of the present application;
[0067] 5a to 5c are schematic diagrams of an application of creating first relationship information in a network energy-saving wake-up method according to an embodiment of the present application;
[0068] FIG6 is a schematic diagram of a subscription process in the network energy-saving wake-up method according to an embodiment of the present application;
[0069] FIG7 is a schematic diagram of another subscription process in the network energy-saving wake-up method according to an embodiment of the present application;
[0070] FIG8 is a first diagram of an interaction flow of a network energy-saving wake-up method according to an embodiment of the present application;
[0071] FIG9 is a second diagram of the interaction flow of the network energy-saving wake-up method according to an embodiment of the present application;
[0072] FIG10 is a schematic diagram of the first structure of the network energy-saving wake-up device according to an embodiment of the present application;
[0073] FIG11 is a second schematic diagram of the structure of the network energy-saving wake-up device according to an embodiment of the present application;
[0074] FIG12 is a third schematic diagram of the structure of the network energy-saving wake-up device according to an embodiment of the present application;
[0075] FIG13 is a schematic diagram of the hardware composition structure of the communication device according to an embodiment of the present application. DETAILED DESCRIPTION
[0076] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0077] The technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Global System of Mobile Communication (GSM) system, Long Term Evolution (LTE) system or 5G system. Optionally, the 5G system or 5G network can also be referred to as a New Radio (NR) system or NR network.
[0078] Exemplarily, the communication system applied in the embodiments of the present application may include a network device and a terminal device (also referred to as a terminal, a communication terminal, etc.); the network device may be a device that communicates with the terminal device. Among them, the network device can provide communication coverage within a certain area and can communicate with terminals located in the area. Optionally, the network device can be a base station in each communication system, such as an evolved base station (eNB, Evolutional Node B) in an LTE system, or a base station (gNB) in a 5G system or an NR system.
[0079] It should be understood that in the embodiments of the present application, devices having communication functions in the network / system may be referred to as communication devices. Communication devices may include network devices and terminals having communication functions. The network devices and terminal devices may be the specific devices described above and will not be described in detail here. Communication devices may also include other devices in the communication system, such as network controllers, mobility management entities, and other network entities, which are not limited in the embodiments of the present application.
[0080] It should be understood that the terms "system" and "network" are often used interchangeably herein. The term "and / or" is simply a description of an association between related objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A exists alone, A and B exist simultaneously, or B exists alone. Furthermore, the character " / " generally indicates that the related objects are in an "or" relationship.
[0081] The terms "first", "second" etc. in the specification and claims of the present application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchangeable in appropriate circumstances, so that the embodiments of the present application described herein can, for example, be implemented in an order other than those illustrated or described herein. In addition, the terms "comprise" and "have" and any of their variations are intended to cover non-exclusive inclusions, for example, the process, method, system, product or equipment comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or that are inherent to these processes, methods, products or equipment.
[0082] Before describing the technical solutions of the embodiments of the present application in detail, a brief description of conventional base station energy saving and wake-up technologies is first given.
[0083] Currently, base station energy-saving and wake-up technologies primarily rely on base stations determining the energy-saving level and whether to wake up based on the dynamic traffic volume in the cell. In one scenario, base station energy-saving levels are divided into low-traffic energy-saving, shallow sleep, and deep sleep, as shown in Table 1. The base station pre-sets traffic volume thresholds for each energy-saving level. The base station then determines energy-saving or wake-up decisions by monitoring or predicting the cell's real-time traffic volume and comparing it with the thresholds.
[0084] Table 1
[0085] However, when a base station enters a low-traffic energy-saving state, coverage and performance perception for users at the cell edge is reduced. When a base station enters shallow or deep sleep, the network no longer receives or transmits signals. Therefore, in areas with reduced or no coverage, cells in this energy-saving state cannot sense services and wake up, necessitating the design of a collaborative approach to base station wakeup.
[0086] Based on this, an embodiment of the present application provides a network energy-saving wake-up method. FIG1 is a flow chart of the network energy-saving wake-up method according to an embodiment of the present application. As shown in FIG1 , the method includes:
[0087] Step 101: A first network device obtains first information sent by at least one first base station; the first information includes at least first data related to a user and first location information of the user;
[0088] Step 102: The first network device sends second information to the second base station according to the first information, where the second information is used for network energy saving wake-up.
[0089] In this embodiment, the first network device assists in performing network energy-saving wake-up, for example, by sending a second message to the second base station to perform network energy-saving wake-up. In some optional embodiments, the first network device may be a base station in a group of base stations or a base station cluster, and the base station may serve as a control base station in the group of base stations or the base station cluster to assist in performing network energy-saving wake-up. In other optional embodiments, the first network device may be a control device, a server, a network function, etc. that is different from the base station, and the control device, server, and network function may be a control platform, an intelligent control platform, an intelligent control platform, an intelligent controller, etc.; exemplarily, the first network device may be a near-real-time RAN intelligent controller (Near-RT RIC) in an open radio access network (O-RAN, Open-Radio Access Network), which may realize near-real-time control and optimization of RAN elements and resources through fine-grained data collection and operations performed through the E2 interface.
[0090] In this embodiment, the first base station and the second base station have an association relationship. In some optional embodiments, the association relationship may at least include: the coverage area of the first base station and the coverage area of the second base station have overlapping coverage areas, or the cell where the first base station is located and the cell where the second base station is located can be neighboring cells, or the first base station and the second base station can be neighboring base stations.
[0091] In this embodiment, before executing step 102, the second base station is in an energy-saving state, which can be, for example, a low-service energy-saving state, a shallow sleep state, or a deep sleep state as recorded in Table 1, or the coverage area of the second base station is an area where coverage is weakened or coverage disappears. Exemplarily, when the second base station is in a low-service energy-saving state, since some transmitting radio frequency channels are closed (or dormant), the first information can be sent to the first network device through the partially opened transmitting radio frequency channels. When the second base station is in a shallow sleep state or a deep sleep state, since analog devices such as power amplifiers and transceivers are turned off, the first information cannot be sent to the first network device.
[0092] In some optional embodiments, the at least one first base station includes the at least one second base station or a neighboring cell of the cell where the second base station is located.
[0093] In an embodiment of the present application, a first network device formulates a wake-up strategy based on the first user-related data and the first location information of the user sent by the first base station, and sends second information for network energy-saving wake-up to the second base station, that is, network energy-saving wake-up is performed in a collaborative manner, and the user experience is fully taken into consideration, and the user experience is guaranteed without affecting the energy-saving effect of the base station.
[0094] In various embodiments of the present application, the network energy-saving wakeup may also be referred to as Energy saving network, Energy Saving or Energy saving wakeup.
[0095] In some optional embodiments, the user-related first data includes at least one of the following: network device user plane measurement information of the user / user group; performance indicators related to mobility of the user / user group; performance indicators related to random access of the user / user group.
[0096] Exemplarily, the network device user plane measurement information of the user / user group may include one or more of the following: average uplink or downlink throughput (Average UL / DL Throughput), uplink or downlink scheduled IP throughput (UL / DL Scheduled IP throughput), uplink or downlink physical resource block (PRB, Physical Resource Block) utilization (or usage), uplink or downlink buffer status (Buffer Status), uplink or downlink block error rate (BLER, BLock Error Rate), uplink or downlink modulation and coding strategy (MCS, Modulation and Coding Scheme), etc.
[0097] The user / user group mobility-related performance indicators may include, but are not limited to, handover failure related information. The handover failure related information may, for example, be the number of handover failures related with Mobility Robustness Optimization (MRO). Exemplarily, the handover failure related information may include, but is not limited to, a handover failure rate.
[0098] The user / user group random access-related performance indicators may include one or more of the following: information related to random access channel failure (RACH Failure); information related to radio link failure (RLF); and information related to UE context release (UE CONTEXT Release). Exemplarily, the information related to random access channel failure (RACH Failure) may include, but is not limited to, one or more of the following: number of RACH failures, RACH failure rate, RACH cause, number of RACH retries, and other information. The RLF-related information may include, but is not limited to, one or more of the following: number of RLF occurrences and failure rate.
[0099] In some optional embodiments, the first location information includes, but is not limited to, location and velocity measurements. For example, the first location information may include, but is not limited to, one or more of the following information: angle of arrival (AOA), latitude and longitude, time of arrival (TOA), altitude, speed, etc.
[0100] In some optional embodiments, base stations can be divided into at least two types based on different functions: basic coverage type (or main function) and supplementary hotspot type (or main function); base stations of different types (or main functions) can correspond to different first data, that is, base stations of different types (or main functions) send different indicator data or key performance indicators (KPI, Key Performance Indicator).
[0101] In some optional embodiments, the first data sent by the base station of the basic coverage type (or main function) may include at least one of the following: performance indicators related to the mobility of the user / user group, performance indicators related to the random access of the user / user group; the first data sent by the base station of the supplementary hotspot type (or main function) may include network device user plane measurement information of the user / user group.
[0102] In some optional embodiments, the second information includes at least one of the following: indication information of carrier activation or awakening, indication information of channel activation or awakening, and indication information of cell activation or awakening.
[0103] In this embodiment, the second information is used for energy-saving wake-up, that is, instructing or causing the second base station to switch from the first state to the second state. The first state may be an energy-saving state, the second state may be a non-energy-saving state, or the energy-saving effect of the first state is better than the energy-saving effect of the second state.
[0104] In some optional embodiments, the first state includes at least one of the following: carrier off state, channel off state, cell dormant state. The second state includes at least one of the following: carrier on state, channel on state, cell activated state, etc.
[0105] In this embodiment, the first data is data related to users within the coverage area of the first base station. In some optional embodiments, the first data may be indicator data or KPI predefined or configured by the first network device. When the indicator data or KPI value of the neighboring user (i.e., the user in the area where the first base station is located) is worse than the threshold, it can be considered that the experience of the neighboring user is poor, and the second base station needs to be awakened to provide better service. It should be noted that the worse than the threshold can be that certain indicator data or KPI values are greater than or equal to the corresponding threshold, or certain indicator data or KPI values are less than or equal to the corresponding threshold. As long as it can bring about a poor user experience, it can be considered that certain current indicator data or KPI values are worse than the threshold.
[0106] In some optional embodiments, indicator data or KPIs related to the type or primary function of the base station may be predefined or configured based on the type or primary function of the base station. For example, if the base station is of a basic coverage type (or primary function), the basic coverage type may predefine or configure indicator data or KPIs related to coverage indicators; if the base station is of a supplementary hotspot type (or primary function), the supplementary hotspot type may predefine or configure indicator data or KPIs related to performance indicators.
[0107] In other optional embodiments, the first network device may also define or configure indicator data or KPIs related to the performance indicator and the coverage indicator, which may serve together as indicators for energy-saving wake-up.
[0108] In actual applications, the first network device can judge the type or main function of the base station based on the base station deployment information; and then define or configure corresponding indicator data or KPIs based on the type or main function of the base station, such as a basic coverage type base station or a supplementary hotspot type base station.
[0109] In some optional embodiments, the first data sent by the base station of the basic coverage type (or main function) may include at least one of the following: performance indicators related to the mobility of the user / user group, performance indicators related to the random access of the user / user group; the first data sent by the base station of the supplementary hotspot type (or main function) may include network device user plane measurement information of the user / user group.
[0110] In some optional embodiments of the present application, before the first network device obtains the first information sent by at least one first base station, the method also includes: the first network device sends a first subscription request to at least one third base station, the first subscription request including first subscription content and a first trigger method; the first subscription content includes second data related to the user and the second location information of the user; the first trigger method includes periodically reporting the first subscription content; or, reporting the first subscription content when a first preset trigger condition is met; wherein, the at least one third base station includes the at least one first base station, and / or the at least one third base station includes the at least one second base station.
[0111] In some optional embodiments, the first network device obtains the first information sent by at least one first base station, including: the first network device receives the first information sent by the at least one first base station according to the first triggering manner.
[0112] In this embodiment, the first network device requests a subscription from at least one third base station within its coverage area to subscribe to the second data related to the user and the second location information of the user. The at least one third base station includes the at least one first base station and / or the second base station, i.e., the at least one first base station and / or the second base station can report the first information to the first network device in accordance with the first triggering method based on the subscription of the first network device.
[0113] In this embodiment, the first network device may send different user-related data in the first subscription request for different base station types or main functions of the base station. For example, for a base station of basic coverage type or function, the user-related data for that type or function may be sent; for a base station of supplementary hotspot type or function, the user-related data for that type or function may be sent. Alternatively, the first network device may send the same user-related data in the first subscription request to all third base stations within the coverage area, that is, send the same subscription content; after receiving the first subscription request, each third base station collects and reports the same indicator data or KPI, or after receiving the first subscription request, each third base station selects the indicator data or KPI to be reported based on its own type or function. This is not limited in this embodiment.
[0114] In some optional embodiments, the data type included in the second data includes the data type included in the first data. Exemplarily, the second data may include N data (or data types), and the first data may include M data (or data types), where M is less than or equal to N. It is understood that the third base station may independently determine the first data to be reported to the first network device based on the content of the first subscription request and the second data.
[0115] In this embodiment, the first triggering method includes periodically reporting the first subscription content, that is, each third base station reports the first subscription content (i.e., first information) collected or measured to the first network device according to a set period. Alternatively, the first triggering method is reporting the first subscription content when a first preset triggering condition is met, where the first preset triggering condition can be that the second data related to the user (or the second data subscribed by the base station) is less than a first threshold corresponding to the second data, or a relative relationship between two or more second data related to the user.
[0116] Among them, the second user-related data is worse than the first threshold corresponding to the second data, which specifically refers to the situation that the relevant parameters that can bring user experience are lower than the relevant threshold. It can be considered that the experience of the neighboring users is poor, and the second base station needs to be woken up to provide better service. In actual applications, some indicator data or KPI values may be greater than or equal to the corresponding first threshold, or some indicator data or KPI values may be less than or equal to the corresponding first threshold. As long as it can bring about the result of poor user experience, the user-related data can be considered to be worse than the first threshold corresponding to the second data. For example, UL MCS>0, RLF rate>0, etc. For another example, the first preset trigger condition can be the relative relationship between two or more user-related data, such as when Uplink Buffer Status>1000Byte, UL THP<1000kbps, etc.
[0117] In some optional embodiments, the second user-related data includes one or more of the following: network device user plane measurement information of the user / user group; performance indicators related to mobility of the user / user group; performance indicators related to random access of the user / user group.
[0118] Exemplarily, the network device user plane measurement information of the user / user group may include one or more of the following: average uplink or downlink throughput, uplink or downlink PRB utilization, uplink or downlink scheduled IP throughput (UL / DL Scheduled IP throughput), uplink or downlink buffer status (Buffer Status), uplink or downlink block error rate (BLER), uplink or downlink MCS, etc.
[0119] The user / user group mobility-related performance indicators may include but are not limited to handover failure related information, such as the number of handover failures related with MRO. Exemplarily, the handover failure related information may include but is not limited to the handover failure rate.
[0120] The user / user group random access-related performance indicators may include one or more of the following: information related to random access channel failure (RACH Failure); information related to radio link failure (Radio Link Failure); and information related to UE context release (UE CONTEXT Release). For example, the random access channel failure (RACH Failure)-related information may include, but is not limited to, one or more of the following: number of RACH failures, RACH failure rate, RACH cause, number of RACH retries, and other information. The RLF-related information may include, but is not limited to, one or more of the following: number of RLF occurrences and failure rate.
[0121] In some optional embodiments, the second location information includes, but is not limited to, location and velocity measurements. For example, the second location information may include, but is not limited to, one or more of the following information: AOA information, latitude and longitude information, TOA information, altitude information, speed, etc.
[0122] In some optional embodiments, base stations can be divided into at least two types based on different functions: basic coverage type (or main function) and supplementary hotspot type (or main function); base stations of different types (or main functions) can correspond to different first data, that is, base stations of different types (or main functions) send different indicator data or key performance indicators (KPI, Key Performance Indicator).
[0123] In some optional embodiments, the second data corresponding to the base station of the basic coverage type (or main function) may include at least one of the following: performance indicators related to the mobility of users / user groups, performance indicators related to random access of users / user groups; the second data corresponding to the base station of the supplementary hotspot type (or main function) may include network device user plane measurement information of users / user groups.
[0124] In some optional embodiments of the present application, before the first network device obtains the first information sent by at least one first base station, the method also includes: the first network device sends a second subscription request to at least one third base station, the second subscription request includes second subscription content and a second trigger method; the second subscription content includes status information, and the second trigger method includes periodic reporting of the second subscription content; or, reporting the second subscription content when a second preset trigger condition is met; the at least one third base station includes at least the second base station; and receiving third information sent by the at least one third base station according to the second trigger method, the third information including the second subscription content.
[0125] In some optional embodiments, the status information includes at least one of the following: carrier off state, channel off state, cell dormant state, carrier on state, channel on state, cell activated state.
[0126] In this embodiment, the first network device requests a subscription from at least one third base station within its coverage area to subscribe to the base station's status information. The at least one third base station includes the second base station, and the second base station reports the base station's status information in a second triggering manner based on the subscription of the first network device. In other optional embodiments, the at least one third base station may also include a base station other than the second base station, such as the first base station, and the first base station may also report the base station's status information in a second triggering manner based on the subscription of the first network device.
[0127] In this embodiment, the second triggering method includes periodically reporting the second subscription content, that is, each base station reports its own status information to the first network device according to a set period. Alternatively, the second triggering method includes reporting the second subscription content when a second preset triggering condition is met, wherein the second preset triggering condition can be base station status initialization or base station status change, that is, when the state of the third base station is initialized, the third information (i.e., the status information of the base station) is sent to the first network device, or when the state of the third base station changes, for example, when it switches from the first state to the second state, or when it switches from the second state to the first state, the third information (i.e., the status information of the base station) is sent to the first network device.
[0128] In some optional embodiments of the present application, before sending the second information to the second base station according to the first information, the method also includes: when the first network device determines that the second base station is in the first state, determining whether to send the second information to the second base station according to the first information, and the second information is used for the second base station to switch from the first state to the second state.
[0129] In some optional embodiments, the first state includes at least one of the following: a carrier off state, a channel off state, and a cell dormant state.
[0130] In some optional embodiments, the energy-saving effect of the first state is better than the energy-saving effect of the second state.
[0131] In this embodiment, when the first network device determines that the second base station is in the first state, for example, when the first network device determines that the second base station is in the energy-saving state, it determines whether to send or not to send the second information to the second base station based on the first information. The second information is used for the second base station to switch from the first state to the second state, that is, to determine whether to wake up the second base station based on the first information, or to determine whether to switch the second base station from the energy-saving state to the non-energy-saving state.
[0132] In some optional embodiments, determining that the second base station is in the first state includes: the first network device receives third information sent by the second base station, the third information includes state information of the second base station, and the first network device determines that the second base station is in the first state based on the state information.
[0133] In some optional embodiments, the first network device receives the third information sent by the second base station, including: the first network device receives the third information sent by the second base station according to the second triggering manner.
[0134] In this embodiment, the first network device may obtain the status information sent by the second base station and determine, based on the status information, that the second base station is in the first state. In some optional embodiments, the first network device may obtain the status information sent by the second base station through the above-mentioned subscription method; in other optional embodiments, the first network device may also obtain the status information sent by the second base station by periodically or aperiodically querying the second base station.
[0135] In some optional embodiments of the present application, before the first network device obtains the first information sent by at least one first base station, the method also includes: the first network device sends a third subscription request to at least one third base station, the third subscription request includes third subscription content, and the third subscription content includes the first configuration information and third location information of the base station; the at least one third base station includes the at least one first base station and / or the second base station; the first network device receives fourth information sent by the at least one third base station, and the fourth information includes the third subscription content.
[0136] In some optional embodiments, the first configuration information of the base station includes one or more of the following: frequency information of the base station, bandwidth information of the base station, user information of the base station, transmission power information of the base station, mobile management parameter configuration information of the base station, access control parameter configuration information of the base station; and / or, the third location information includes one or more of the following: location information of the base station, the relative position of the base station and the neighboring base station, the coverage range of the base station, and the coverage range of the neighboring base station.
[0137] In this embodiment, the first network device requests a subscription from at least one third base station within its coverage area, subscribing to the first configuration information and third location information of the base station. The at least one third base station may include the first base station and / or the second base station described above. That is, based on the subscription by the first network device, the first base station and / or the second base station sends the first configuration information and the third location information (i.e., the fourth information) of the base station to the first network device.
[0138] In some optional embodiments of the present application, the method also includes: the first network device creates first relationship information related to the base station based on the first configuration information and third location information of the base station; the first relationship information includes at least base station information, neighboring base station information and trigger area information.
[0139] In some optional embodiments, the trigger area information is the overlapping coverage area between the coverage area of the base station and the coverage area of the neighboring base station.
[0140] In this embodiment, before executing step 101, the first network device may create first relationship information based on the information obtained through the subscription. The first relationship information may also be called a neighboring area wake-up relationship table. The first network device may create first relationship information (or a neighboring area wake-up relationship table) for each base station, so that when a base station needs to be woken up, the first network device may determine the neighboring base stations related to the base station based on the first relationship information (or neighboring area wake-up relationship table) corresponding to the base station, and then make a decision based on the information reported by the neighboring base station to determine whether it is necessary to send the second information to the base station.
[0141] Among them, when the base station is in the second state (i.e., non-energy-saving state), its coverage range may overlap with one or more cells. In this embodiment, the first relationship information (or neighboring cell wake-up relationship table) created for each base station is to create the first relationship information (or neighboring cell wake-up relationship table) with all cells in the overlapping coverage area of the base station, and the overlapping coverage area is used as the trigger area information, that is, the overlapping coverage area is used as the area for triggering wake-up of the corresponding neighboring cell.
[0142] In some optional embodiments, the method also includes: the first network device determines the second data related to the user subscribed by the base station based on the first configuration information of the base station, and determines the first threshold corresponding to each data; the first network device determines the first preset trigger condition based on at least one data corresponding to the base station and the first threshold corresponding to each data; accordingly, the first relationship information also includes the data corresponding to the base station and the first preset trigger condition.
[0143] In this embodiment, the first network device can determine at least one second data corresponding to the base station based on the first configuration information of the base station, such as the type or main function of the base station, that is, determine at least one indicator or KPI corresponding to, requested by, or subscribed to by the base station, and determine the first threshold corresponding to each data, and determine the first preset trigger condition based on the at least one data corresponding to the base station and the first threshold corresponding to each data, wherein the at least one data corresponding to the base station and the first preset trigger condition corresponding to each data are added to the first relationship information.
[0144] In this embodiment, the first network device may determine a corresponding first threshold for each item of second data. When the second data is worse than the first threshold corresponding to the second data, specifically when the relevant parameter that can bring user experience is lower than the relevant threshold, it can be considered that the experience of the neighboring user is poor, and the second base station needs to be awakened to provide better service. In actual applications, certain indicator data or KPI values can be greater than or equal to the corresponding first threshold, or certain indicator data or KPI values can be less than or equal to the corresponding first threshold. As long as it results in a poor user experience, the user-related data can be considered to be worse than the threshold corresponding to the data.
[0145] Among them, since the size of each overlapping coverage area, the performance of the neighboring area, etc. have an impact on the wake-up related data (such as KPI), the first network device can set or determine different first thresholds corresponding to the data for each neighboring area based on the first configuration information of the base station and the neighboring area, the relative position information of the base station and the neighboring area, and according to the set rules, algorithms or engineering experience.
[0146] In some optional embodiments, the first threshold is an absolute value, and / or the first preset trigger conditions corresponding to at least two items of data are associated with each other.
[0147] In this embodiment, the absolute value is relative to the relative value and may be a positive number, a negative number, or even 0, for example, UL MCS>0, RLF rate>0, etc. Furthermore, the first preset trigger conditions corresponding to at least two pieces of data are associated with each other, and the association may be a conditional association or a relative association, for example, when Uplink Buffer Status>1000Byte, UL THP<1000kbps, etc.
[0148] In some optional embodiments, the first relationship information further includes a second threshold corresponding to the base station; wherein the second threshold is used to decide whether to send the second information to the second base station.
[0149] In some optional embodiments, the first relationship information further includes a conversion relationship for converting the second data and the first threshold corresponding to each item of data into a factor.
[0150] In this embodiment, the dimensions of the data (or KPI, indicator data, etc.) and their impact on the user experience are different, and the data (or KPI, indicator data, etc.) of the neighboring cells need to be converted, such as normalized and / or weighted, and finally a factor (which may be called a wake-up factor, wake-up influence factor, etc.) is obtained by synthesizing multiple data (or KPI, indicator data, etc.) to decide whether to wake up the second base station. At the same time, for the second base station to be awakened, the more the data related to triggering the wake-up exceeds the threshold, the greater the impact on the user experience, indicating that the second base station should be awakened.
[0151] For example, a conversion coefficient a_mcs = 1 / 28 between MCS [0-28] and the wakeup impact factor can be designed to convert the measured MCS into a wakeup impact factor of (MCS threshold - MCS) * a_mcs. A conversion relationship between THP (throughput) and the wakeup impact factor can be designed to be (THP threshold - THP) / THP threshold. Therefore, the wakeup impact factor of user 1 on the site can be expressed as: (MCS threshold - MCS) * a_mcs + (THP threshold - THP) / THP threshold.
[0152] Furthermore, a weight coefficient e_VIP can be designed to increase the wakeup influence factor. For example, the measured MCS and THP can be converted into a wakeup influence factor of [(MCS threshold - MCS) * a_mcs + (THP threshold - THP) / THP threshold] * e_VIP, where e_VIP > 1. This increases the user's influence on the wakeup site. In actual applications, the factor can be increased for important users (such as VIP users), that is, the weight coefficient can be designed for important users.
[0153] In this embodiment, for the second base station to be awakened, within the geographical area that triggers the awakening (i.e., the triggering area), the more users who expect to be awakened, the larger the total factor, and the more the second base station should be awakened. Based on this, the first network device sets the second threshold corresponding to the base station, adds the factors corresponding to all users in the neighboring area to obtain the total factor, and if the total factor exceeds (or is greater than or equal to) the second threshold, the base station can be awakened. In other optional embodiments, when there are two or more base stations to be awakened in the common coverage area that exceed the threshold, the first network device determines to prioritize awakening a base station with the largest total factor, or determines to prioritize awakening the N base stations ranked in the top N positions in terms of the total factor, where N is a positive integer; wherein the total factor is ranked from large to small.
[0154] In some optional embodiments, the first network device sends a first subscription request to at least one third base station based on the first relationship information (or neighboring cell wake-up relationship table), specifically sending the first subscription request to the third base station based on the second data in the first relationship information and the first preset trigger condition.
[0155] Exemplarily, the content of the first relationship information (or neighboring cell wake-up relationship table) of the base station may refer to the example shown in Table 2 below.
[0156] Table 2
[0157] In this embodiment, the first network device may determine, based on the first relationship information, that the cell where the at least one first base station is located is a neighboring cell of the second base station, or that the at least one first base station and the second base station are neighboring base stations to each other; further, the first network device determines, based on the first information, whether to send or not send the second information to the second base station. In some optional embodiments, the method further includes: the first network device determining, based on the first relationship information, that the cell where the at least one first base station is located is a neighboring cell of the second base station.
[0158] In this embodiment, the first network device may determine the neighboring cell relationship between the base stations based on the created first relationship information, that is, determine that the cell where the at least one first base station is located is a neighboring cell of the second base station. In other optional embodiments, the first network device may also determine the neighboring cell relationship between the base stations based on the received fourth information (or third subscription content, or the first configuration information and third location information of the base station, etc.), that is, determine that the cell where the at least one first base station is located is a neighboring cell of the second base station.
[0159] In some optional embodiments, determining whether to send or not send the second information to the second base station based on the first information includes: the first network device filters the first information based on the first trigger area information related to the second base station to obtain the first data of the first user who meets the first trigger area information; the first user is any user in the first information whose first location information meets the first trigger area information; the first network device converts the first data of the first user to obtain a first factor; the first network device adds the first factors corresponding to all first users who meet the first trigger area information to obtain a first value; the first network device compares the first value with the second threshold related to the second base station, and determines whether to send or not send the second information to the second base station based on the comparison result.
[0160] In this embodiment, after receiving the first information sent by at least one first base station, the first network device can determine all first trigger areas related to the second base station based on the first relationship information, that is, determine the overlapping areas of all neighboring areas of the second base station, and then filter the reported data based on the first trigger area to obtain the first data of the first user that meets the first trigger area information; wherein, the first user refers to any user among all users that meet the first trigger area, that is, obtain the first data of all users that meet the first trigger area information. Furthermore, the first network device can convert the first data of each first user based on the "factor" (or conversion relationship) in the first relationship information to obtain the first factor corresponding to each first user, and add the first factors corresponding to all first users that meet the first trigger area information to obtain the first value. Finally, the first values of all first users are compared with the second threshold corresponding to the second base station, and determine whether to send the second information to the second base station based on the comparison result.
[0161] In some optional embodiments, the first network device converts the first data of the first user to obtain the first factor, including: the first network device converts each item of the first data of the first user according to a corresponding conversion relationship and then adds them up to obtain the first factor.
[0162] In some optional embodiments, the first network device converts the first data of the first user according to a corresponding conversion relationship and then adds them up to obtain a first factor, including: the first network device converts the first data of the first user according to the corresponding conversion relationship and then adds them up, and multiplies the summed data by the first weight corresponding to the first user to obtain the first factor.
[0163] In this embodiment, the first data of each first user is converted using the "factor" (or conversion relationship) in the first relationship information. For example, the MCS [0-28] and the wake-up influence factor conversion coefficient a_mcs = 1 / 28 can be designed to convert the measured MCS into the wake-up influence factor as (MCS threshold - MCS) * a_mcs; the THP and the wake-up influence factor conversion relationship can be designed as (THP threshold - THP) / THP threshold; therefore, the first factor of the first user can be expressed as: (MCS threshold - MCS) * a_mcs + (THP threshold - THP) / THP threshold.
[0164] Alternatively, the first user has a first weight, such as a weight coefficient e_VIP, to increase the influence of the factor on network energy-saving wakeup. The measured MCS and THP are converted into a wakeup influence factor of [(MCS threshold - MCS) * a_mcs + (THP threshold - THP) / THP threshold] * e_VIP, where e_VIP > 1, which increases the influence of the first user on the wakeup site.
[0165] In some optional embodiments, determining whether to send or not to send the second information to the second base station based on the comparison result includes: when the comparison result is that the first value is greater than or equal to the second threshold, determining to send the second information to the second base station; when the comparison result is that the first value is less than the second threshold, determining not to send the second information to the second base station.
[0166] In this embodiment, the first factors of all first users are added together to obtain a first value, and the first value is compared with the second threshold in the first relationship information. If the first value is greater than or equal to the second threshold, it may indicate that there are more users with poor user experience or more users expecting the base station to wake up, and the second base station should be woken up. Correspondingly, if the first value is less than the second threshold, it may indicate that there are fewer users with poor user experience or fewer users expecting the base station to wake up, and it is not necessary to wake up the second base station at this time.
[0167] In some optional embodiments of the present application, when the first network device is an intelligent control platform in the O-RAN system, the first network device and the base station communicate and interact through the E2 interface; or, when the first network device is a control base station, the first network device and the base station communicate and interact through the X2 interface.
[0168] Based on the above embodiment, the present application also provides a network energy-saving wake-up method. FIG2 is a second flow chart of the network energy-saving wake-up method of the present application embodiment; as shown in FIG2 , the method includes:
[0169] Step 201: A first base station sends first information to a first network device, where the first information includes at least first data related to a user and first location information of the user; the first information is used by the first network device to send second information for network energy-saving wake-up to a second base station.
[0170] In this embodiment, the first base station and the second base station have an association relationship. In some optional embodiments, the association relationship may at least include: the coverage area of the first base station and the coverage area of the second base station have overlapping coverage areas, or the cell where the first base station is located and the cell where the second base station is located can be neighboring cells, or the first base station and the second base station can be neighboring base stations.
[0171] In an embodiment of the present application, the first base station reports the first data related to the user and the first location information of the user to the first network device, so that the first network device formulates a wake-up strategy and sends the second information for network energy-saving wake-up to the second base station, that is, the network energy-saving wake-up is performed in a collaborative manner, that is, the base station is woken up with the data and location related to the user in the neighboring area, and the user experience of the neighboring area is fully taken into consideration. The user experience is guaranteed without affecting the energy-saving effect of the base station.
[0172] In some optional embodiments, the user-related first data includes at least one of the following: network device user plane measurement information of the user / user group; performance indicators related to mobility of the user / user group; performance indicators related to random access of the user / user group.
[0173] Exemplarily, the network device user plane measurement information of the user / user group may include one or more of the following: average uplink or downlink throughput, uplink or downlink scheduled IP throughput (UL / DL Scheduled IP throughput), uplink or downlink PRB utilization, uplink or downlink buffer status (Buffer Status), uplink or downlink block error rate (BLER), uplink or downlink MCS, etc.
[0174] The user / user group mobility-related performance indicators may include but are not limited to handover failure related information, such as the number of handover failures related with MRO. Exemplarily, the handover failure related information may include but is not limited to the handover failure rate.
[0175] The user / user group random access-related performance indicators may include one or more of the following: information related to random access channel failure (RACH Failure); information related to radio link failure (Radio Link Failure); and information related to UE context release (UE CONTEXT Release). For example, the random access channel failure (RACH Failure)-related information may include, but is not limited to, one or more of the following: number of RACH failures, RACH failure rate, RACH cause, number of RACH retries, and other information. The RLF-related information may include, but is not limited to, one or more of the following: number of RLF occurrences and failure rate.
[0176] In some optional embodiments, the first location information includes, but is not limited to, location and velocity measurements. For example, the first location information may include, but is not limited to, one or more of the following information: AOA information, latitude and longitude information, TOA information, altitude information, speed, etc.
[0177] In some optional embodiments, the second information includes at least one of the following: indication information of carrier activation or awakening, indication information of channel activation or awakening, and indication information of cell activation or awakening.
[0178] In some optional embodiments of the present application, before the first base station sends the first information to the first network device, the method also includes: the first base station receives a first subscription request sent by the first network device, the first subscription request including first subscription content and a first trigger method; the first subscription content includes second data related to the user and the user's second location information; the first trigger method includes periodically reporting the first subscription content; or, reporting the first subscription content when a first preset trigger condition is met.
[0179] In some optional embodiments, the first base station sending the first information to the first network device includes: the first base station sending the first information to the first network device according to the first triggering manner.
[0180] In this embodiment, the first network device requests a subscription from at least one base station within its coverage area, subscribing to second data related to the user and the second location information of the user. The at least one base station includes the first base station, i.e., the first base station reports the first information to the first network device in accordance with the first triggering method based on the subscription of the first network device.
[0181] In some optional embodiments, the data type included in the second data includes the data type included in the first data. Exemplarily, the second data may include N data (or data types), and the first data may include M data (or data types), where M is less than or equal to N. It is understood that the first base station may independently determine the first data to be reported to the first network device based on the content of the first subscription request and the second data.
[0182] In this embodiment, the first triggering method includes periodically reporting the first subscription content, that is, the first base station reports the first subscription content (i.e., first information) collected or measured to the first network device according to a set period. Alternatively, the first triggering method is reporting the first subscription content when a first preset triggering condition is met, where the first preset triggering condition can be that the second data related to the user (or the second data subscribed by the base station) is less than a first threshold corresponding to the second data, or a relative relationship between two or more second data related to the user.
[0183] Among them, the second user-related data is worse than the first threshold corresponding to the second data, which specifically refers to the situation that the relevant parameters that can bring user experience are lower than the relevant threshold. It can be considered that the experience of the neighboring users is poor, and the second base station needs to be woken up to provide better service. In actual applications, some indicator data or KPI values may be greater than or equal to the corresponding first threshold, or some indicator data or KPI values may be less than or equal to the corresponding first threshold. As long as it can bring about the result of poor user experience, the user-related data can be considered to be worse than the first threshold corresponding to the second data. For example, UL MCS>0, RLF rate>0, etc. For another example, the first preset trigger condition can be the relative relationship between two or more user-related data, such as when Uplink Buffer Status>1000Byte, UL THP<1000kbps, etc.
[0184] In some optional embodiments, the second user-related data includes one or more of the following: network device user plane measurement information of the user / user group; performance indicators related to mobility of the user / user group; performance indicators related to random access of the user / user group.
[0185] Exemplarily, the network device user plane measurement information of the user / user group may include one or more of the following: average uplink or downlink throughput, uplink or downlink scheduled IP throughput (UL / DL Scheduled IP throughput), uplink or downlink PRB utilization, uplink or downlink buffer status (Buffer Status), uplink or downlink block error rate (BLER), uplink or downlink MCS, etc.
[0186] The user / user group mobility-related performance indicators may include but are not limited to handover failure related information, such as the number of handover failures related with MRO. Exemplarily, the handover failure related information may include but is not limited to the handover failure rate.
[0187] The user / user group random access-related performance indicators may include one or more of the following: information related to random access channel failure (RACH Failure); information related to radio link failure (Radio Link Failure); and information related to UE context release (UE CONTEXT Release). For example, the random access channel failure (RACH Failure)-related information may include, but is not limited to, one or more of the following: number of RACH failures, RACH failure rate, RACH cause, number of RACH retries, and other information. The RLF-related information may include, but is not limited to, one or more of the following: number of RLF occurrences and failure rate.
[0188] In some optional embodiments, the second location information includes, but is not limited to, location and velocity measurements. For example, the second location information may include, but is not limited to, one or more of the following information: AOA, latitude and longitude information, TOA information, altitude information, speed, etc.
[0189] In this embodiment, the first network device may send different user-related data in the first subscription request for different base station types or main functions of the base station. For example, for a base station of basic coverage type or function, the user-related data for that type or function may be sent; for a base station of supplementary hotspot type or function, the user-related data for that type or function may be sent. Alternatively, the first network device may send the same user-related data in the first subscription request for all base stations within the coverage area, that is, send the same subscription content; after receiving the first subscription request, each base station (including the first base station) collects and reports the same indicator data or KPI, or after receiving the first subscription request, each base station (including the first base station) selects the indicator data or KPI to be reported according to its own type or function. This is not limited in this embodiment.
[0190] In some optional embodiments of the present application, before the first base station sends the first information to the first network device, the method also includes: the first base station receives a third subscription request sent by the first network device, the third subscription request includes third subscription content, and the third subscription content includes the first configuration information and third location information of the base station.
[0191] In some optional embodiments, the first configuration information of the base station includes one or more of the following: frequency information of the base station, bandwidth information of the base station, user information of the base station, transmission power information of the base station, mobile management parameter configuration information of the base station, access control parameter configuration information of the base station; and / or, the third location information includes one or more of the following: location information of the base station, the relative position of the base station and the neighboring base station, the coverage range of the base station, and the coverage range of the neighboring base station.
[0192] In this embodiment, the first network device requests a subscription from at least one base station (including the first base station) within its coverage area, subscribing to the configuration information and location information of the base station. Based on the subscription of the first network device, the first base station sends the first configuration information and the third location information (i.e., the fourth information) of the base station to the first network device.
[0193] The configuration information of a base station may include the configuration of the base station and / or neighboring cells; the configuration of the base station and / or neighboring cells may include at least the type or function of the base station and neighboring cells. The location information of a base station may include the absolute location of the base station and the relative location of the base station and neighboring cells.
[0194] In some optional embodiments of the present application, when the first network device is an intelligent control platform in the O-RAN system, the first network device and the first base station communicate and interact through the E2 interface; or, when the first network device is a control base station, the first network device and the first base station communicate and interact through the X2 interface.
[0195] Based on the above embodiments, the present application also provides a network energy-saving wake-up method. FIG3 is a flow chart of the network energy-saving wake-up method according to the present application embodiment. As shown in FIG3 , the method includes:
[0196] Step 301: A second base station receives second information sent by a first network device, where the second information is used for network energy-saving wake-up; the second information is sent by the first network device based on first information sent by at least one first base station; the first information includes at least first data related to the user and the user's first location information.
[0197] In this embodiment, the first base station and the second base station have an association relationship. In some optional embodiments, the association relationship may at least include: the coverage area of the first base station and the coverage area of the second base station have overlapping coverage areas, or the cell where the first base station is located and the cell where the second base station is located can be neighboring cells, or the first base station and the second base station can be neighboring base stations.
[0198] In this embodiment, before executing step 301, the second base station is in an energy-saving state, which can be, for example, a low-service energy-saving state, a shallow sleep state, or a deep sleep state as recorded in Table 1, or the coverage area of the second base station is an area where coverage is weakened or coverage disappears. Exemplarily, when the second base station is in a low-service energy-saving state, since some transmitting radio frequency channels are closed (or dormant), the first information can be sent to the first network device through the partially opened transmitting radio frequency channels. When the second base station is in a shallow sleep state or a deep sleep state, since analog devices such as power amplifiers and transceivers are turned off, the first information cannot be sent to the first network device.
[0199] In some optional embodiments, the at least one first base station includes the at least one second base station or a neighboring cell of the cell where the second base station is located.
[0200] In an embodiment of the present application, a first network device formulates a wake-up strategy based on the first data of the user and the first location information of the user sent by the first base station, and sends second information for network energy-saving wake-up to the second base station, that is, network energy-saving wake-up is performed in a collaborative manner, and the user experience of the neighboring area is fully taken into consideration, and the user experience is guaranteed without affecting the energy-saving effect of the base station.
[0201] In some optional embodiments, the user-related first data includes at least one of the following: network device user plane measurement information of the user / user group; performance indicators related to mobility of the user / user group; performance indicators related to random access of the user / user group.
[0202] Exemplarily, the network device user plane measurement information of the user / user group may include one or more of the following: average uplink or downlink throughput, uplink or downlink scheduled IP throughput (UL / DL Scheduled IP throughput), uplink or downlink PRB utilization, uplink or downlink buffer status (Buffer Status), uplink or downlink block error rate (BLER), uplink or downlink MCS, etc.
[0203] The user / user group mobility-related performance indicators may include but are not limited to handover failure related information, such as the number of handover failures related with MRO. Exemplarily, the handover failure related information may include but is not limited to the handover failure rate.
[0204] The user / user group random access-related performance indicators may include one or more of the following: information related to random access channel failure (RACH Failure); information related to radio link failure (Radio Link Failure); and information related to UE context release (UE CONTEXT Release). For example, the random access channel failure (RACH Failure)-related information may include, but is not limited to, one or more of the following: number of RACH failures, RACH failure rate, RACH cause, number of RACH retries, and other information. The RLF-related information may include, but is not limited to, one or more of the following: number of RLF occurrences and failure rate.
[0205] In some optional embodiments, the first location information includes, but is not limited to, location and velocity measurements. For example, the first location information may include, but is not limited to, one or more of the following information: AOA information, latitude and longitude information, TOA information, altitude information, speed, etc.
[0206] In some optional embodiments, the second information includes at least one of the following: indication information of carrier activation or awakening, indication information of channel activation or awakening, and indication information of cell activation or awakening.
[0207] In this embodiment, the second information is used for energy-saving wake-up, that is, instructing or causing the second base station to switch from the first state to the second state. The first state may be an energy-saving state, the second state may be a non-energy-saving state, or the energy-saving effect of the first state is better than the energy-saving effect of the second state.
[0208] In some optional embodiments, the first state includes at least one of the following: carrier off state, channel off state, cell dormant state. The second state includes at least one of the following: carrier on state, channel on state, cell activated state, etc.
[0209] In some optional embodiments of the present application, before the second base station receives the second information sent by the first network device, the method also includes: the second base station receives a first subscription request sent by the first network device, the first subscription request including first subscription content and a first trigger method; the first subscription content includes second data related to the user and the user's second location information; the first trigger method includes periodically reporting the first subscription content; or, reporting the first subscription content when a first preset trigger condition is met; the second base station sends the first information to the first network device according to the first trigger method.
[0210] In this embodiment, the first network device requests a subscription from at least one base station within its coverage area, subscribing to second data related to the user and the second location information of the user. The at least one base station includes the second base station, i.e., the second base station reports the first information to the first network device in accordance with the first triggering method based on the subscription of the first network device.
[0211] In some optional embodiments, the data types included in the second data include the data types included in the first data. Exemplarily, the second data may include N data (or data types), and the first data may include M data (or data types), where M is less than or equal to N. It is understood that the second base station may independently determine the first data to be reported to the first network device based on the content of the first subscription request and the second data.
[0212] In this embodiment, the first triggering method includes periodically reporting the first subscription content, that is, the second base station reports the first subscription content (i.e., first information) collected or measured to the first network device according to a set period. Alternatively, the first triggering method is reporting the first subscription content when a first preset triggering condition is met, where the first preset triggering condition can be that the second data related to the user (or the second data subscribed by the base station) is different from a first threshold corresponding to the second data, or a relative relationship between two or more second data related to the user.
[0213] Among them, the second user-related data is worse than the first threshold corresponding to the second data, which specifically refers to the situation that the relevant parameters that can bring user experience are lower than the relevant threshold. It can be considered that the experience of the neighboring users is poor, and the second base station needs to be woken up to provide better service. In actual applications, some indicator data or KPI values may be greater than or equal to the corresponding first threshold, or some indicator data or KPI values may be less than or equal to the corresponding first threshold. As long as it can bring about the result of poor user experience, the user-related data can be considered to be worse than the first threshold corresponding to the second data. For example, UL MCS>0, RLF rate>0, etc. For another example, the first preset trigger condition can be the relative relationship between two or more user-related data, such as when Uplink Buffer Status>1000Byte, UL THP<1000kbps, etc.
[0214] In some optional embodiments, the second user-related data includes one or more of the following: network device user plane measurement information of the user / user group; performance indicators related to mobility of the user / user group; performance indicators related to random access of the user / user group.
[0215] Exemplarily, the network device user plane measurement information of the user / user group may include one or more of the following: average uplink or downlink throughput; uplink or downlink PRB utilization; uplink or downlink data buffer information, uplink or downlink block error rate (BLER), uplink or downlink MCS, etc.
[0216] The user / user group mobility-related performance indicators may include but are not limited to handover failure related information, such as the number of handover failures related with MRO. Exemplarily, the handover failure related information may include but is not limited to the handover failure rate.
[0217] The user / user group random access-related performance indicators may include one or more of the following: information related to random access channel failure (RACH Failure); information related to radio link failure (Radio Link Failure); and information related to UE context release (UE CONTEXT Release). For example, the random access channel failure (RACH Failure)-related information may include, but is not limited to, one or more of the following: number of RACH failures, RACH failure rate, RACH cause, number of RACH retries, and other information. The RLF-related information may include, but is not limited to, one or more of the following: number of RLF occurrences and failure rate.
[0218] In some optional embodiments, the second location information includes, but is not limited to, location and velocity measurements. Exemplarily, the second location information may include, but is not limited to, one or more of the following information: angle of arrival (AOA), latitude and longitude, time of arrival (TOA), altitude, speed, etc.
[0219] In some optional embodiments of the present application, before the second base station receives the second information sent by the first network device, the method also includes: the second base station receives a second subscription request sent by the first network device, the second subscription request includes second subscription content and a second trigger method; the second subscription content includes status information, and the second trigger method includes periodic reporting of the second subscription content; or, reporting the second subscription content when a second preset trigger condition is met; the second base station sends third information to the first network device according to the second trigger method, and the third information includes status information of the second base station.
[0220] In some optional embodiments, the status information includes at least one of the following: carrier off state, channel off state, cell dormant state, carrier on state, channel on state, cell activated state.
[0221] In this embodiment, the first network device requests subscription from at least one base station (including the second base station) within the coverage area to subscribe to the base station status information. The second base station reports the base station status information according to the second triggering method based on the subscription of the first network device.
[0222] In this embodiment, the second triggering method includes periodically reporting the second subscription content, that is, the second base station reports its own status information to the first network device according to a set period. Alternatively, the second triggering method includes reporting the second subscription content when a second preset triggering condition is met, wherein the second preset triggering condition can be base station status initialization or base station status change, that is, when the state of the second base station is initialized, the third information (i.e., the status information of the base station) is sent to the first network device, or when the state of the second base station changes, for example, when it switches from the first state to the second state, or from the second state to the first state, the third information (i.e., the status information of the base station) is sent to the first network device.
[0223] In some optional embodiments of the present application, before the second base station receives the second information sent by the first network device, the method also includes: the second base station receives a third subscription request sent by the first network device, the third subscription request includes third subscription content, and the third subscription content includes the first configuration information and third location information of the base station; the second base station sends fourth information to the first network device, and the fourth information includes the third subscription content.
[0224] In some optional embodiments, the first configuration information of the base station includes one or more of the following: frequency information of the base station, bandwidth information of the base station, user information of the base station, transmission power information of the base station, mobile management parameter configuration information of the base station, access control parameter configuration information of the base station; and / or, the third location information includes one or more of the following: location information of the base station, the relative position of the base station and the neighboring base station, the coverage range of the base station, and the coverage range of the neighboring base station.
[0225] In this embodiment, the first network device requests a subscription from at least one base station (including the second base station) within its coverage area, and subscribes to the first configuration information and the third location information of the base station. Based on the subscription of the first network device, the second base station sends the first configuration information and the third location information (i.e., the fourth information) of the base station to the first network device.
[0226] In some optional embodiments of the present application, when the first network device is an intelligent control platform in the O-RAN system, the first network device and the second base station communicate and interact through the E2 interface; or, when the first network device is a control base station, the first network device and the second base station communicate and interact through the X2 interface.
[0227] The technical solutions of the embodiments of the present application are described in detail below with reference to specific examples.
[0228] Step 1: Select the first network device to construct the first relationship information or the neighboring area wake-up relationship table. The first relationship information or the neighboring area wake-up relationship table can be shown in Table 2, including the base station to be awakened, the neighboring area, the trigger wake-up area (optional), the wake-up related data (or indicator data, KPI, etc.) / trigger conditions, the conversion relationship for converting the data into the wake-up factor, and the second threshold of the base station, etc.
[0229] Specifically, FIG4 is a schematic diagram of a process for creating first relationship information in the network energy-saving wake-up method according to an embodiment of the present application. As shown in FIG4 , the method includes:
[0230] Step 401: Acquire configuration information and location information of a base station, and determine a wake-up triggering area based on the configuration information and location information of the base station.
[0231] Here, the area information corresponding to the wake-up trigger area may be equivalent to the trigger area information in the above embodiment. The configuration information is equivalent to the first configuration information in the above embodiment, and the location information is equivalent to the third location information in the above embodiment.
[0232] In this example, when the base station is in the second state (i.e., non-energy-saving state), its coverage range may overlap with one or more cells. The first relationship information (or neighboring cell wake-up relationship table) created for each base station in this embodiment is the first relationship information (or neighboring cell wake-up relationship table) created with all cells in the overlapping coverage area of the base station, and the overlapping coverage area is used as the trigger area information, that is, the overlapping coverage area is used as the area for triggering wake-up of the corresponding neighboring cell.
[0233] Step 402: Determine the main function or type of the base station, and define indicator data according to the main function or type of the base station.
[0234] In this example, the first network device may determine at least one indicator data corresponding to the base station based on configuration information of the base station, such as the type or main function of the base station.
[0235] Step 403: The first network device determines a first threshold corresponding to each indicator data, and determines a trigger condition according to at least one indicator data corresponding to the base station and the first threshold corresponding to each indicator data.
[0236] Here, the trigger condition may specifically be the first preset trigger condition in the above embodiment. The indicator data may be equivalent to the second data in the above embodiment.
[0237] In this example, the first network device can determine a corresponding first threshold for each indicator data. When the indicator data is worse than the first threshold corresponding to the indicator data, specifically referring to the situation where the relevant parameters that can bring user experience are lower than the relevant threshold, it can be considered that the experience of users in the neighboring area is poor, and the second base station needs to be awakened to provide better service. In actual applications, the indicator data is worse than the first threshold corresponding to the indicator data, which can be that some indicator data or KPI values are greater than or equal to the corresponding first threshold, or some indicator data or KPI values are less than or equal to the corresponding first threshold. As long as it can bring about a poor user experience, the user-related data can be considered to be worse than the threshold corresponding to the data.
[0238] Among them, since the size of each overlapping coverage area, the performance of the neighboring area, etc. have an impact on the wake-up related data (such as KPI), the first network device can set or determine different first thresholds corresponding to the data for each neighboring area based on the configuration information of the base station and the neighboring area, the relative position information of the base station and the neighboring area, and according to the set rules, algorithms or engineering experience.
[0239] In some optional embodiments, the first threshold is an absolute value corresponding to the indicator data, and / or the trigger conditions corresponding to at least two indicator data are associated with each other. The absolute value is relative to a relative value, and may be a positive number, a negative number, or even 0, such as UL MCS>0, RLF rate>0, etc. Furthermore, the trigger conditions corresponding to at least two indicator data are associated with each other, and the association may be a conditional association or a relative association, such as Uplink Buffer Status>1000Byte and UL THP<1000kbps.
[0240] Step 404: The first network device determines a conversion relationship between the indicator data and the wake-up impact factor, and determines a second threshold corresponding to the base station.
[0241] Here, the wake-up impact factor may be equivalent to the factor in the above embodiment.
[0242] In this example, the dimensionality of the indicator data and its impact on the user experience vary, so the neighboring cell indicator data needs to be transformed, such as normalized and / or weighted. Ultimately, multiple indicator data are synthesized to derive a wakeup impact factor to determine whether to wake up the base station. Furthermore, for a base station to be woken up, the more the wakeup-related indicator data exceeds the threshold, the greater the impact on the user experience, indicating that the base station should be woken up more quickly.
[0243] For example, a conversion coefficient a_mcs = 1 / 28 between MCS [0-28] and the wakeup impact factor can be designed to convert the measured MCS into a wakeup impact factor of (MCS threshold - MCS) * a_mcs. The conversion relationship between THP and the wakeup impact factor can be designed to be (THP threshold - THP) / THP threshold. Therefore, the wakeup impact factor of user 1 on the site can be expressed as: (MCS threshold - MCS) * a_mcs + (THP threshold - THP) / THP threshold.
[0244] Furthermore, a weight coefficient e_VIP can be designed to increase the wakeup influence factor. For example, the measured MCS and THP can be converted into a wakeup influence factor of [(MCS threshold - MCS) * a_mcs + (THP threshold - THP) / THP threshold] * e_VIP, where e_VIP > 1. This increases the user's influence on the wakeup site. In actual applications, the factor can be increased for important users (such as VIP users), that is, the weight coefficient can be designed for important users.
[0245] In this example, for the base station to be awakened, within the geographical area that triggers the awakening (i.e., the triggering area), the more users who expect to be awakened, the larger the total factor, and the more the base station should be awakened. Based on this, the first network device sets the second threshold corresponding to the base station, adds the factors corresponding to all users in the neighboring area to obtain the total factor, and if the total factor exceeds (or is greater than or equal to) the second threshold, the base station can be awakened. In other optional embodiments, when there are two or more base stations to be awakened in the common coverage area that exceed the threshold, the first network device determines to prioritize awakening a base station with the largest total factor, or determines to prioritize awakening the N base stations ranked in the top N positions in terms of the total factor, where N is a positive integer; wherein the total factor is ranked from large to small.
[0246] Step 405: The first network device generates a neighboring cell wake-up relationship table corresponding to the base station. The generated neighboring cell wake-up relationship table can be shown in Table 2 above.
[0247] Here, the neighboring cell wake-up relationship table may be equivalent to the first relationship information in the above embodiment.
[0248] 5a to 5c are schematic diagrams of an application of creating first relationship information in the network energy-saving wake-up method according to an embodiment of the present application.
[0249] In existing networks, various wireless network standards exist. TD-LTE is primarily divided into three frequency bands: F / A band (outdoor), D band (outdoor), and E band (indoor). The F band includes frequencies 38400, 38544, and 38496; the A band includes frequencies 36275; the D band includes frequencies 40936 and 41134; and the E band includes frequencies 38950, 39148, and 39292. FDD-LTE primarily uses the 900MHz low-band for expanding TD-LTE coverage, and the 1800MHz high-band as a means of supplementing capacity in hotspots. NR primarily uses the 700MHz low-band for wide coverage, and the 2.6GHz high-band for providing high-capacity transmission in hotspots.
[0250] In different scenarios such as urban areas, county towns, and rural areas, the existing network has designed different network topologies to meet the needs of different scenarios. As shown in Figure 5a:
[0251] For example, the main urban area is mainly based on 700M+FDD1800+F / D bands, and wide coverage is achieved through 700M, FDD1800, and F / D bands, and hotspot coverage is supplemented by 5G 2.6G, multi-carrier aggregation of F / D bands, and E band;
[0252] For example, towns and villages mainly use 700M+FDD1800 / FDD900+F / D frequency bands, and achieve wide coverage through 700M, FDD1800 / FDD900, and F / D frequency bands, and supplement hotspot coverage through multi-carrier aggregation of F / D frequency bands and E frequency band.
[0253] For example, in rural areas, the main frequency bands are 700M+FDD900+F / D. Wide coverage is achieved through the 700M, FDD900, and F / D bands, and hotspot coverage is supplemented by multi-carrier aggregation of the F / D bands.
[0254] Therefore, based on the scenario analysis in the main urban area, the base stations with basic coverage are mainly used to wake up the base stations that supplement the hotspot capacity, such as FDD1800 to wake up 2.6G, 700M to wake up 2.6G, and 2.6G / 700M / FDD1800M to wake up the indoor E band.
[0255] In rural scenarios, there are also cases where base stations serving as basic coverage are awakened, such as the D-band / F-band awakening of FDD900.
[0256] Taking the creation of a neighboring cell wake-up relationship table for a supplementary hotspot base station as an example, the supplementary hotspot base station operates on a higher frequency band, while the basic coverage neighboring cell has a lower frequency band. In a non-energy-saving state, if the high-frequency base station's coverage overlaps with one or more cells, all cells with overlapping coverage will be considered neighboring cells, and the overlapping coverage area will be the geographic area for triggering wake-up for the corresponding neighboring cell.
[0257] As shown in (1) in Figure 5b, the 2.6G site provides large-capacity transmission capabilities for hot spots, and its coverage overlaps with several FDD1800 sites. The neighboring cell wake-up relationship includes: when the 2.6G site is in energy-saving state, the UE-1 primary service cell is one of the FDD1800 base stations. In the area overlapping with the 2.6G site, the trigger condition is met because the corresponding first threshold is exceeded. The part exceeding the first threshold is converted into a wake-up influence factor to increase the possibility of waking up the cell built by the 2.6G site.
[0258] As shown in (2) in Figure 5b, the 2.6G site provides large-capacity transmission capabilities for hot spots, and its coverage overlaps with a 700M site. The neighboring cell wake-up relationship includes: when the 2.6G site is in energy-saving state, the UE-2 primary service cell is at the 700M site, and the area in the overlapping coverage area with the 2.6G site exceeds the corresponding first threshold, thus satisfying the trigger condition. The part exceeding the first threshold is converted into a wake-up influence factor to increase the possibility of waking up the cell built by the 2.6G site.
[0259] As shown in (3) in Figure 5b, the E-band site provides indoor large-capacity transmission capabilities, and its coverage overlaps with a 700M site and a 2.6G site. The neighboring cell wake-up relationship includes the following: when the E-band site is in energy-saving mode, UE-3's primary service cell is at the 700M site. In the area overlapping with the E-band site, the corresponding first threshold is exceeded, thereby satisfying the trigger condition. The portion exceeding the first threshold is converted into a wake-up influence factor. UE-4's primary service cell is at the 2.6G site. In the area overlapping with the E-band site, the corresponding first threshold is exceeded, thereby satisfying the trigger condition. The portion exceeding the first threshold is converted into a wake-up influence factor. The wake-up influence factors of UE-3 and UE-4 are added together to increase the possibility of waking up the cell built by the E-band site.
[0260] In the above example, performance-related KPIs may be used, such as UL THP, UPlink Buffer Status, UL MCS, UL BLER, UL PRB utilization, DL THP, DL MCS, Downlink Buffer Status, DL BLER, DL PRB utilization, etc.
[0261] Taking the creation of a neighboring cell wake-up relationship table for a basic coverage base station as an example, when the base station's traffic and number of users are extremely low, it enters a power-saving state. In the non-power-saving state, if the coverage of a basic coverage base station overlaps with one or more cells, all the overlapping basic coverage cells will be considered neighboring cells, and the overlapping coverage area will be used as the geographical area for triggering wake-up for the corresponding neighboring cells.
[0262] As shown in Figure 5c, the FDD900 site's primary function is to provide basic coverage. Its coverage overlaps with one 700M site and another FDD900 site. The neighboring cell wake-up relationship includes the following: When the FDD900 site is in energy-saving mode, UE-5's primary serving cell is at the 700M site. In the area of overlapping coverage with the FDD900 site, the trigger condition is satisfied because the corresponding first threshold is exceeded. The portion exceeding the first threshold is converted into a wake-up impact factor. UE-6's primary serving cell is at the FDD900 site. In the area of overlapping coverage between the two FDD900 sites, the trigger condition is satisfied because the corresponding first threshold is exceeded. The portion exceeding the first threshold is converted into a wake-up impact factor. The wake-up impact factors of UE-5 and UE-6 are added together to increase the likelihood of waking up the cell built by the FDD900 site.
[0263] For the neighboring cell wake-up relationship of the base station with basic coverage, KPIs related to coverage indicators can be used, such as HOF rate, HO ping pong, RLF, random access failure rate, RSRP, SINR, etc.
[0264] Step 2: The first network device subscribes to the status information of the base station.
[0265] Specifically, FIG6 is a schematic diagram of a subscription process in the network energy-saving wake-up method according to an embodiment of the present application. As shown in FIG6 , the method includes:
[0266] Step 501: The first network device sends a subscription request to the base station, where the subscription object is the base station within the jurisdiction. The subscription request includes subscription content and a triggering method. The subscription content is the status information of the base station, and the triggering method includes periodic reporting of subscription content. Alternatively, the subscription content is reported when a second preset trigger condition is met, such as reporting status information when the base station deployment is initialized or the base station status changes.
[0267] Step 502: The base station feeds back information indicating a successful subscription, and the first network device learns that the base station has accepted the subscription request.
[0268] Step 503: The base station detects the triggering condition, whether it is deployment initialization or status change.
[0269] Step 504: After detecting the occurrence of the trigger condition, the base station reports the subscription content, including the base station ID and the status information of the base station, to the first network device.
[0270] The subscription process of this example is equivalent to the second subscription process in the above embodiment, and at least includes the process of the first network device sending a second subscription request to at least one third base station and receiving third information sent by at least one third base station.
[0271] For example, the code implementation of the above subscription request content can be shown as follows:
[0272] Step 3: The first network device subscribes to the user data and user location information that triggers energy-saving wake-up.
[0273] Specifically, FIG7 is a schematic diagram of another subscription process in the network energy-saving wake-up method according to an embodiment of the present application. As shown in FIG7 , the method includes:
[0274] Step 601: A first network device sends a subscription request to a base station within its jurisdiction. The subscription request includes the subscription content and a trigger method, including user-related metrics and location information. The trigger method includes periodic reporting of the subscription content or reporting the subscription content when a first preset trigger condition is met.
[0275] Here, reporting the subscription content when the first preset trigger condition is met may specifically refer to user-related indicator data being worse than a threshold corresponding to the indicator data, or a relative relationship between two or more user-related data.
[0276] Among them, the user-related data is worse than the threshold value corresponding to the data, specifically refers to the situation that the relevant parameters that can bring user experience are lower than the relevant threshold value, which means that the experience of the neighboring users is poor, and the second base station needs to be woken up to provide better service. In actual applications, some indicator data or KPI values may be greater than or equal to the corresponding threshold value, or some indicator data or KPI values may be less than or equal to the corresponding threshold value. As long as it can bring about the result of poor user experience, the user-related data can be considered to be worse than the threshold value corresponding to the data. For example, UL MCS>0, RLF rate>0, etc. For another example, the first preset trigger condition can be the relative relationship between two or more user-related data, such as when Uplink Buffer Status>1000Byte, UL THP<1000kbps, etc.
[0277] For example, the base station of the supplementary hotspot type corresponds to performance-related indicator data, such as UL THP, UPlink Buffer Status, UL MCS, DL THP, DL MCS, Downlink Buffer Status, etc.; the base station of the basic coverage type corresponds to coverage-related indicator data, such as HOF, HO ping pong, RLF, random access failure rate, etc.
[0278] Step 602: The base station feeds back information indicating a successful subscription, and the first network device learns that the base station has accepted the subscription request.
[0279] Step 603: The base station detects a trigger condition, such as detecting that the indicator data is worse than a threshold.
[0280] Step 604: After detecting the occurrence of the trigger condition, the base station reports the subscription content to the first network device, for example, including the base station ID and the user's indicator data and user location.
[0281] The subscription process of this example is equivalent to the first subscription process in the above embodiment, and at least includes the process of the first network device sending a first subscription request to at least one third base station and receiving first information sent by at least one third base station.
[0282] For example, the code implementation of the above subscription request content can be shown as follows:
[0283] In step 4, the first network device determines whether to send the second information to the base station to be awakened based on the user's data (such as the first data) and the user's location information (such as the first location information) and the first relationship information (or the neighboring cell wake-up relationship table).
[0284] Specifically, FIG8 is a schematic diagram of an interaction flow of a network energy-saving wake-up method according to an embodiment of the present application. As shown in FIG8 , the method includes:
[0285] Step 701: The first network device generates second information.
[0286] Here, the first network device screens user data reported by all neighboring cells of the cell to be awakened, specifically determining whether the user's location information is within the trigger area. If so, the user is determined to be awakened. A conversion factor is calculated based on the awakened user's data. The first value, the sum of the conversion factors for all users, is compared with the base station's second threshold to determine whether to wake the base station. In this example, the first value is greater than or equal to the second threshold, so the second information for energy-saving awakening is generated.
[0287] Step 702: The first network device sends second information to the base station to be awakened.
[0288] Step 703: The base station to be awakened executes the energy-saving awakening strategy based on the second information, and feeds back a successful execution to the first network device, that is, feeds back a successful execution of the strategy to the first network device.
[0289] Specifically, the above-mentioned first network device can be implemented by Near-RT RIC / xApp or None-RT RIC / rApp in the O-RAN architecture; it can also be implemented by a control base station using OMC or base station cluster.
[0290] Figure 9 is a second diagram illustrating the interaction flow of the network energy-saving wake-up method according to an embodiment of the present application. In this example, based on the O-RAN architecture, the intelligent control platform (Near-RT RIC / xAPP) implements collaborative network energy-saving wake-up. The intelligent control platform (Near-RT RIC / xAPP) may include a near-real-time RAN intelligent controller platform (Near-RT RIC Platform) and an xAPP (uplink interference prediction module).
[0291] In this example, the E2 interface connecting the Near-RT RIC and the base station is enhanced to enable the Near-RT RIC to subscribe to and receive the energy-saving status of the base station; based on the Near-RT RIC / xAPP, the user KPI and user location information that trigger the base station to wake up are subscribed and the energy-saving strategy is generated; the E2 interface is enhanced to enable the Near-RT RIC to issue the energy-saving strategy. As shown in Figure 9, the method includes:
[0292] Step 801: The intelligent control platform (Near-RT RIC / xAPP) subscribes to the configuration information of the base station and the neighboring cells, as well as the location information of the base station and the neighboring cells, and builds a neighboring cell wake-up relationship table of the base station based on the configuration information of the base station and the neighboring cells and the location information of the base station and the neighboring cells.
[0293] This step may include: 1. The xAPP (uplink interference prediction module) sends an E2 subscription request (E2SUBSCRIPTION(Request)) to the Near-RT RIC Platform, requesting to subscribe to the configuration information of the base station and neighboring cells, as well as the location information of the base station and neighboring cells; this subscription request can be sent through the RIC application programming interface (API). 2. The Near-RT RIC Platform initiates a subscription procedure (SUBSCRIPTION PROCEDURE) with the base station through the E2 interface; 3. The Near-RT RIC Platform sends an E2 subscription success (E2 SUBSCRIPTION(Success)) message to the xAPP (uplink interference prediction module) through the RIC API. 4. The base station that receives the subscription request sends an indication report (Indication Report) to the Near-RT RIC Platform through the E2 interface, which includes the subscription content. 5. The Near-RT RIC Platform sends an E2 indication (E2 Indication) to the xAPP (uplink interference prediction module) through the RIC API. 6. The xAPP (uplink interference prediction module) designs the indicator data and thresholds, the wake-up factor conversion relationship, and the second threshold to build a neighbor cell wake-up relationship table.
[0294] Step 802: The intelligent control platform (Near-RT RIC / xAPP) subscribes to the status information reported by the base station through the E2 interface.
[0295] This step may include: 7. xAPP (uplink interference prediction module) sends an E2 subscription request (E2SUBSCRIPTION(Request)) to the Near-RT RIC Platform, requesting to subscribe to the status information of the base station. The subscription request can be sent through the RIC API. 8. The Near-RT RIC Platform initiates a subscription procedure operation (SUBSCRIPTION PROCEDURE Action(report)) to the base station through the E2 interface; the subscription request includes the cell ID (Cell ID) or base station ID, and the status information of the cell or base station; the trigger condition can be initialization or status change. 9. The Near-RT RIC Platform sends an E2 subscription success (E2SUBSCRIPTION(Success)) message to the xAPP (uplink interference prediction module) through the RIC API. 10. The base station that receives the subscription request sends an indication report (Indication Report) to the Near-RT RIC Platform through the E2 interface, which includes the subscription content, such as the status information of the cell or base station; 11. The Near-RT RIC Platform sends an E2 indication (E2 Indication) to the xAPP (uplink interference prediction module) through the RIC API, which may include the status information of the cell or base station.
[0296] Step 803: The intelligent control platform (Near-RT RIC / xAPP) subscribes to the user data and user location information that triggers energy-saving wake-up from the neighboring base station.
[0297] This step may include: 12. xAPP (uplink interference prediction module) sends an E2 subscription request (E2SUBSCRIPTION(Request)) to the Near-RT RIC Platform, requesting neighboring cell user data and user location information. The subscription request can be sent through the RIC API. 13. The Near-RT RIC Platform initiates a subscription process operation (SUBSCRIPTION PROCEDURE Action(report)) to the neighboring cell base station through the E2 interface; the subscription request includes user data (or KPI, indicator data, etc.) and user location information; the trigger condition may be that the user data for energy-saving wake-up is worse than the threshold. 14. The Near-RT RIC Platform sends an E2 subscription success (E2 SUBSCRIPTION(Success)) message to the xAPP (uplink interference prediction module) through the RIC API. 15. The neighboring cell base station that receives the subscription request sends an indication report (Indication Report) to the Near-RT RIC Platform through the E2 interface, which includes the subscription content. 16. The Near-RT RIC Platform sends an E2 indication (E2 Indication), which may include subscription content, to the xAPP (uplink interference prediction module) through the RIC API.
[0298] Step 804: The intelligent control platform (Near-RT RIC / xAPP) generates and delivers the base station wake-up strategy through the E2 interface based on the neighboring cell relationship, base station status information, neighboring cell user data and user location information.
[0299] This step may include: 17-18. The xAPP (uplink interference prediction module) generates a base station wake-up strategy and sends an E2 control message to the Near-RT RIC Platform via the RIC API, where the E2 control message includes the base station wake-up strategy. 19-20. The Near-RT RIC Platform sends a Control Request Style message carrying the base station wake-up strategy to the base station to be awakened via the E2 interface. After the base station to be awakened wakes up, the Near-RT RIC Platform sends a Control Acknowledgement (CONTROL ACKNOWLEDGE) message to the Near-RT RIC Platform via the E2 interface.
[0300] It should be noted that the specific implementation process of the above steps 801 to 804 can refer to the description in the above embodiments. This embodiment mainly describes the implementation architecture and interface.
[0301] In other optional embodiments, when the first network device is a control base station in a base station cluster, the specific implementation can refer to the above-mentioned implementation method through the intelligent control platform. The difference is that the control base station interacts with the base station to be awakened and the neighboring base station through the X2 interface.
[0302] Based on the above embodiments, the present application also provides a network energy-saving wake-up device, which is applied to a first network device. Figure 10 is a schematic diagram of the structure of the network energy-saving wake-up device according to the present application. As shown in Figure 10, the device includes: a first communication unit 11, configured to obtain first information sent by at least one first base station; the first information includes at least first data related to the user and the user's first location information; and is further configured to send second information to a second base station based on the first information, the second information being used for network energy-saving wake-up.
[0303] In some optional embodiments of the present application, the at least one first base station includes the at least one second base station or a neighboring cell of the cell where the second base station is located.
[0304] In some optional embodiments of the present application, the user-related first data includes at least one of the following: network device user plane measurement information of the user / user group; performance indicators related to the mobility of the user / user group; performance indicators related to random access of the user / user group.
[0305] In some optional embodiments of the present application, the second information includes at least one of the following: indication information of carrier activation or awakening, indication information of channel activation or awakening, and indication information of cell activation or awakening.
[0306] In some optional embodiments of the present application, the first communication unit 11 is further configured to send a first subscription request to at least one third base station before obtaining the first information sent by at least one first base station, wherein the first subscription request includes first subscription content and a first trigger method; the first subscription content includes second data related to the user and the user's second location information; the first trigger method includes periodically reporting the first subscription content; or, reporting the first subscription content when a first preset trigger condition is met; wherein the at least one third base station includes the at least one first base station, and / or the at least one third base station includes the at least one second base station.
[0307] In some optional embodiments of the present application, the first communication unit 11 is configured to receive the first information sent by the at least one first base station according to the first triggering manner.
[0308] In some optional embodiments of the present application, the user-related second data includes one or more of the following: network device user plane measurement information of the user / user group; performance indicators related to the mobility of the user / user group; performance indicators related to random access of the user / user group.
[0309] In some optional embodiments of the present application, the first communication unit 11 is further configured to send a second subscription request to at least one third base station before obtaining the first information sent by at least one first base station, wherein the second subscription request includes second subscription content and a second trigger method; the second subscription content includes status information, and the second trigger method includes periodic reporting of the second subscription content; or, reporting the second subscription content when a second preset trigger condition is met; the at least one third base station includes at least the second base station; and receive the third information sent by the at least one third base station according to the second trigger method, wherein the third information includes the second subscription content.
[0310] In some optional embodiments of the present application, the status information includes at least one of the following: carrier off state, channel off state, cell dormant state, carrier on state, channel on state, cell activated state.
[0311] In some optional embodiments of the present application, the apparatus further includes a first processing unit configured to determine whether the second base station is in the first state;
[0312] The first communication unit 11 is also configured to, before sending the second information to the second base station according to the first information, determine whether to send the second information to the second base station according to the first information when the first processing unit determines that the second base station is in the first state, and the second information is used for the second base station to switch from the first state to the second state.
[0313] In some optional embodiments of the present application, the first communication unit 11 is further configured to receive third information sent by the second base station, where the third information includes state information of the second base station;
[0314] The first processing unit 12 is configured to determine, based on the state information, that the second base station is in the first state.
[0315] In some optional embodiments of the present application, the first state includes at least one of the following: a carrier off state, a channel off state, and a cell dormant state.
[0316] In some optional embodiments of the present application, the first communication unit 11 is configured to receive the third information sent by the second base station according to the second triggering manner.
[0317] In some optional embodiments of the present application, the energy-saving effect of the first state is better than the energy-saving effect of the second state.
[0318] In some optional embodiments of the present application, the first communication unit 11 is further configured to send a third subscription request to at least one third base station, the third subscription request including third subscription content, the third subscription content including the first configuration information and third location information of the base station; the at least one third base station includes the at least one first base station and / or the second base station; and receive fourth information sent by the at least one third base station, the fourth information including the third subscription content.
[0319] In some optional embodiments of the present application, the first configuration information of the base station includes one or more of the following: frequency information of the base station, bandwidth information of the base station, user information of the base station, transmit power information of the base station, mobility management parameter configuration information of the base station, access control parameter configuration information of the base station; and / or,
[0320] The third location information includes one or more of the following: location information of the base station, the relative position of the base station and the neighboring base station, the coverage range of the base station, and the coverage range of the neighboring base station.
[0321] In some optional embodiments of the present application, the first processing unit 12 is further configured to create first relationship information related to the base station based on the first configuration information and third location information of the base station; the first relationship information includes at least base station information, neighboring base station information and trigger area information.
[0322] In some optional embodiments of the present application, the trigger area information is the overlapping coverage area between the coverage area of the base station and the coverage area of the neighboring base station.
[0323] In some optional embodiments of the present application, the first processing unit 12 is further configured to determine the second data related to the user subscribed by the base station based on the first configuration information of the base station, and determine the first threshold corresponding to each data; and is further configured to determine the first preset trigger condition based on at least one data corresponding to the base station and the first threshold corresponding to each data.
[0324] In some optional embodiments of the present application, the first relationship information also includes second data corresponding to the base station and a first preset trigger condition.
[0325] In some optional embodiments of the present application, the first relationship information also includes a second threshold corresponding to the base station; wherein the second threshold is used to decide whether to send the second information to the second base station.
[0326] In some optional embodiments of the present application, the first relationship further includes a conversion relationship for converting the second data and the first threshold corresponding to each item of data into a factor.
[0327] In some optional embodiments of the present application, the first processing unit 12 is configured to determine, based on the first relationship information, that the cell where the at least one first base station is located is a neighboring cell of the second base station.
[0328] In some optional embodiments of the present application, the first processing unit 12 is configured to filter the first information according to the first trigger area information related to the second base station to obtain the first data of the first user who meets the first trigger area information; the first user is any user in the first information whose first location information meets the first trigger area information; the first data of the first user is converted to obtain a first factor; the first factors corresponding to all first users who meet the first trigger area information are added to obtain a first value; the first value is compared with the second threshold related to the second base station, and it is determined whether to send the second information to the second base station based on the comparison result.
[0329] In some optional embodiments of the present application, the first processing unit 12 is configured to convert each item of the first data of the first user according to a corresponding conversion relationship and then add the converted items to obtain a first factor.
[0330] In some optional embodiments of the present application, the first processing unit 12 is configured to convert the first data of the first user according to the corresponding conversion relationship and then add them up, and multiply the summed data by the first weight corresponding to the first user to obtain a first factor.
[0331] In some optional embodiments of the present application, the first processing unit 12 is configured to determine to send the second information to the second base station when the comparison result is that the first value is greater than or equal to the second threshold; and to determine not to send the second information to the second base station when the comparison result is that the first value is less than the second threshold.
[0332] In some optional embodiments of the present application, when the first network device is an intelligent control platform in the O-RAN system, the first network device and the base station communicate and interact through the E2 interface; or, when the first network device is a control base station, the first network device and the base station communicate and interact through the X2 interface.
[0333] In an embodiment of the present application, the first processing unit 12 in the device can be implemented by a central processing unit (CPU), a digital signal processor (DSP), a microcontroller unit (MCU) or a programmable gate array (FPGA) in actual applications; the first communication unit 11 in the device can be implemented by a communication module (including: basic communication kit, operating system, communication module, standardized interface and protocol, etc.) and a transceiver antenna in actual applications.
[0334] The present application also provides a network energy-saving wake-up device, which is applied to a first base station. Figure 11 is a second schematic diagram of the structure of the network energy-saving wake-up device according to the present application. As shown in Figure 11, the device includes: a second communication unit 21 configured to send first information to a first network device, wherein the first information includes at least first data related to a user and first location information of the user; the first information is used by the first network device to send second information for network energy-saving wake-up to a second base station.
[0335] In some optional embodiments of the present application, the user-related first data includes at least one of the following: network device user plane measurement information of the user / user group; performance indicators related to the mobility of the user / user group; performance indicators related to random access of the user / user group.
[0336] In some optional embodiments of the present application, the second information includes at least one of the following: indication information of carrier activation or awakening, indication information of channel activation or awakening, and indication information of cell activation or awakening.
[0337] In some optional embodiments of the present application, the second communication unit 21 is further configured to receive a first subscription request sent by the first network device before sending the first information to the first network device, wherein the first subscription request includes first subscription content and a first trigger method; the first subscription content includes second data related to the user and the user's second location information; the first trigger method includes periodically reporting the first subscription content; or, reporting the first subscription content when a first preset trigger condition is met.
[0338] In some optional embodiments of the present application, the second communication unit 21 is configured to send the first information to the first network device according to the first triggering manner.
[0339] In some optional embodiments of the present application, the user-related second data includes one or more of the following: network device user plane measurement information of the user / user group; performance indicators related to the mobility of the user / user group; performance indicators related to random access of the user / user group.
[0340] In some optional embodiments of the present application, the second communication unit 21 is further configured to receive a third subscription request sent by the first network device, the third subscription request including third subscription content, the third subscription content including the first configuration information and third location information of the base station; and send fourth information to the first network device, the fourth information including the third subscription content.
[0341] In some optional embodiments of the present application, the first configuration information of the base station includes one or more of the following: frequency information of the base station, bandwidth information of the base station, user information of the base station, transmit power information of the base station, mobility management parameter configuration information of the base station, access control parameter configuration information of the base station; and / or,
[0342] The third location information includes one or more of the following: location information of the base station, the relative position of the base station and the neighboring base station, the coverage range of the base station, and the coverage range of the neighboring base station.
[0343] In some optional embodiments of the present application, when the first network device is an intelligent control platform in the O-RAN system, the first network device and the first base station communicate and interact through the E2 interface; or, when the first network device is a control base station, the first network device and the first base station communicate and interact through the X2 interface.
[0344] In the embodiment of the present application, the second communication unit 21 in the device can be implemented in actual applications through a communication module (including: basic communication kit, operating system, communication module, standardized interface and protocol, etc.) and a transceiver antenna.
[0345] The present application also provides a network energy-saving wake-up device, which is applied to a second base station. Figure 12 is a third schematic diagram of the structure of the network energy-saving wake-up device of the present application embodiment. As shown in Figure 12, the device includes: a third communication unit 31, configured to receive second information sent by a first network device, the second information being used for network energy-saving wake-up; the second information is sent by the first network device based on first information sent by at least one first base station; the first information includes at least first data related to the user and the user's first location information.
[0346] In some optional embodiments of the present application, the at least one first base station includes the at least one second base station or a neighboring cell of the cell where the second base station is located.
[0347] In some optional embodiments of the present application, the user-related first data includes at least one of the following: network device user plane measurement information of the user / user group; performance indicators related to the mobility of the user / user group; performance indicators related to random access of the user / user group.
[0348] In some optional embodiments of the present application, the second information includes at least one of the following: indication information of carrier activation or awakening, indication information of channel activation or awakening, and indication information of cell activation or awakening.
[0349] In some optional embodiments of the present application, the third communication unit 31 is further configured to receive a first subscription request sent by the first network device before receiving the second information sent by the first network device, wherein the first subscription request includes first subscription content and a first trigger method; the first subscription content includes second data related to the user and the user's second location information; the first trigger method includes periodic reporting of the first subscription content; or, reporting the first subscription content when a first preset trigger condition is met; and is also configured to send the first information to the first network device according to the first trigger method.
[0350] In some optional embodiments of the present application, the user-related second data includes one or more of the following: network device user plane measurement information of the user / user group; performance indicators related to the mobility of the user / user group; performance indicators related to random access of the user / user group.
[0351] In some optional embodiments of the present application, the third communication unit 31 is further configured to receive a second subscription request sent by the first network device before receiving the second information sent by the first network device, the second subscription request including second subscription content and a second trigger method; the second subscription content includes status information, and the second trigger method includes periodic reporting of the second subscription content; or, reporting the second subscription content when a second preset trigger condition is met; and sending third information to the first network device according to the second trigger method, the third information including status information of the second base station.
[0352] In some optional embodiments of the present application, the status information includes at least one of the following: carrier off state, channel off state, cell dormant state, carrier on state, channel on state, cell activated state.
[0353] In some optional embodiments of the present application, the third communication unit 31 is further configured to receive a third subscription request sent by the first network device before receiving the second information sent by the first network device, the third subscription request including third subscription content, the third subscription content including the first configuration information and third location information of the base station; and send fourth information to the first network device, the fourth information including the third subscription content.
[0354] In some optional embodiments of the present application, the first configuration information of the base station includes one or more of the following: frequency information of the base station, bandwidth information of the base station, user information of the base station, transmit power information of the base station, mobility management parameter configuration information of the base station, access control parameter configuration information of the base station; and / or,
[0355] The third location information includes one or more of the following: location information of the base station, the relative position of the base station and the neighboring base station, the coverage range of the base station, and the coverage range of the neighboring base station.
[0356] In some optional embodiments of the present application, when the first network device is an intelligent control platform in the O-RAN system, the first network device and the second base station communicate and interact through the E2 interface; or, when the first network device is a control base station, the first network device and the second base station communicate and interact through the X2 interface.
[0357] In the embodiment of the present application, the third communication unit 31 in the device can be implemented in actual applications through a communication module (including: basic communication kit, operating system, communication module, standardized interface and protocol, etc.) and a transceiver antenna.
[0358] It should be noted that the network energy-saving wakeup device provided in the above embodiment is only illustrated by the division of the above-mentioned program modules when performing network energy-saving wakeup. In actual applications, the above-mentioned processing can be assigned to different program modules as needed, that is, the internal structure of the device can be divided into different program modules to complete all or part of the above-described processing. In addition, the network energy-saving wakeup device provided in the above embodiment and the network energy-saving wakeup method embodiment are based on the same concept. The specific implementation process is detailed in the method embodiment and is not repeated here.
[0359] The present application also provides a communication device, which may be a first network device, a first base station, or a second base station. FIG13 is a schematic diagram of the hardware structure of the communication device according to the present application. As shown in FIG13 , the communication device includes a memory 42, a processor 41, and a computer program stored in the memory 42 and executable on the processor 41. When the processor 41 executes the program, the steps of the network energy-saving wake-up method applied to the first network device, the first base station, or the second base station are implemented.
[0360] Optionally, the communication device also includes at least one network interface 43. The various components in the communication device are coupled together via a bus system 44. It will be appreciated that bus system 44 is used to enable connectivity and communication between these components. In addition to a data bus, bus system 44 also includes a power bus, a control bus, and a status signal bus. However, for clarity, in FIG13 , all of these buses are labeled as bus system 44.
[0361] It is understood that the memory 42 can be a volatile memory or a non-volatile memory, or can include both volatile and non-volatile memories. Among them, the non-volatile memory can be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), a magnetic random access memory (FRAM), a flash memory, a magnetic surface memory, an optical disc, or a compact disc read-only memory (CD-ROM); the magnetic surface memory can be a magnetic disk memory or a magnetic tape memory. The volatile memory can be a random access memory (RAM), which is used as an external cache. By way of example and not limitation, many forms of RAM are available, such as static random access memory (SRAM), synchronous static random access memory (SSRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDRSDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct rambus random access memory (DRRAM).The memory 42 described in the embodiments of the present application is intended to include, but is not limited to, these and any other suitable types of memory.
[0362] The methods disclosed in the above embodiments of the present application can be applied to or implemented by the processor 41. The processor 41 may be an integrated circuit chip with signal processing capabilities. During implementation, the steps of the above methods can be completed by hardware integrated logic circuits in the processor 41 or by instructions in the form of software. The above processor 41 may be a general-purpose processor, a DSP, or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The processor 41 can implement or execute the various methods, steps, and logic block diagrams disclosed in the embodiments of the present application. The general-purpose processor may be a microprocessor or any conventional processor, etc. The steps of the methods disclosed in the embodiments of the present application can be directly implemented as being executed by a hardware decoding processor, or can be executed by a combination of hardware and software modules in the decoding processor. The software module can be located in a storage medium, which is located in the memory 42. The processor 41 reads the information in the memory 42 and completes the steps of the above methods in combination with its hardware.
[0363] In an exemplary embodiment, the communication device may be implemented by one or more application-specific integrated circuits (ASICs), DSPs, programmable logic devices (PLDs), complex programmable logic devices (CPLDs), FPGAs, general-purpose processors, controllers, MCUs, microprocessors, or other electronic components to perform the aforementioned method.
[0364] In an exemplary embodiment, the present application also provides a computer-readable storage medium, such as a memory 42 including a computer program. The computer program can be executed by a processor 41 of a communication device to perform the steps of the aforementioned method. The computer-readable storage medium can be a memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface mount storage, optical disk, or CD-ROM; or various devices including any one or any combination of the aforementioned memories.
[0365] The computer-readable storage medium provided in the embodiment of the present application stores a computer program thereon, which, when executed by a processor, implements the steps of the network energy-saving wake-up method applied to the first network device, the first base station, or the second base station in the embodiment of the present application.
[0366] An embodiment of the present application also provides a computer program product, including a computer program, which can be executed by a communication device (such as the processor 41 of the communication device) to complete the steps of the aforementioned network energy-saving wake-up method applied to the first network device, the first base station or the second base station.
[0367] The methods disclosed in the several method embodiments provided in this application can be arbitrarily combined without conflict to obtain new method embodiments.
[0368] The features disclosed in the several product embodiments provided in this application can be arbitrarily combined without conflict to obtain new product embodiments.
[0369] The features disclosed in the several method or device embodiments provided in this application can be arbitrarily combined without conflict to obtain new method embodiments or device embodiments.
[0370] In the several embodiments provided in this application, it should be understood that the disclosed devices and methods can be implemented in other ways. The device embodiments described above are merely schematic. For example, the division of the units is merely a logical function division. In actual implementation, there may be other division methods, such as: multiple units or components can be combined, or can be integrated into another system, or some features can be ignored or not executed. In addition, the coupling, direct coupling, or communication connection between the components shown or discussed can be through some interfaces, and the indirect coupling or communication connection of the devices or units can be electrical, mechanical or other forms.
[0371] The units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units; some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0372] In addition, all functional units in the embodiments of the present application can be integrated into one processing unit, or each unit can be a separate unit, or two or more units can be integrated into one unit; the above-mentioned integrated units can be implemented in the form of hardware or in the form of hardware plus software functional units.
[0373] Those skilled in the art will understand that all or part of the steps of implementing the above-mentioned method embodiment can be completed by hardware related to program instructions, and the aforementioned program can be stored in a computer-readable storage medium. When the program is executed, it executes the steps of the above-mentioned method embodiment; and the aforementioned storage medium includes: mobile storage devices, ROM, RAM, disks or optical disks, etc. Various media that can store program codes.
[0374] Alternatively, if the above-mentioned integrated unit of the present application is implemented in the form of a software function module and sold or used as an independent product, it can also be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the embodiment of the present application is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium and includes a number of instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) to execute all or part of the methods described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as mobile storage devices, ROM, RAM, magnetic disks or optical disks.
[0375] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.
Claims
1. A network energy-saving wake-up method, the method comprising: The first network device obtains first information sent by at least one first base station; The first information includes at least first data related to the user and first location information of the user; The first network device sends second information to the second base station according to the first information, where the second information is used for network energy saving and wake-up.
2. The method according to claim 1, wherein The at least one first base station includes the at least one second base station or a neighboring cell of the cell where the second base station is located.
3. The method according to claim 1, wherein The first user-related data includes at least one of the following: Network device user plane measurement information for users / user groups; Performance indicators related to user / user group mobility; Performance indicators related to random access of users / user groups.
4. The method according to claim 1, wherein The second information includes at least one of the following: carrier activation or wake-up indication information, channel activation or wake-up indication information, and cell activation or wake-up indication information.
5. The method according to claim 1, wherein Before the first network device obtains the first information sent by at least one first base station, the method further includes: The first network device sends a first subscription request to at least one third base station, where the first subscription request includes first subscription content and a first trigger method; the first subscription content includes second data related to the user and the user's second location information; the first trigger method includes periodically reporting the first subscription content; or, reporting the first subscription content when a first preset trigger condition is met; wherein the at least one third base station includes the at least one first base station, and / or the at least one third base station includes the at least one second base station.
6. The method according to claim 5, wherein: The first network device obtains first information sent by at least one first base station, including: The first network device receives the first information sent by the at least one first base station according to the first triggering manner.
7. The method according to claim 5, wherein: The second user-related data includes one or more of the following: Network device user plane measurement information for users / user groups; Performance indicators related to user / user group mobility; Performance indicators related to random access of users / user groups.
8. The method according to claim 1, wherein Before the first network device obtains the first information sent by at least one first base station, the method further includes: The first network device sends a second subscription request to at least one third base station, where the second subscription request includes second subscription content and a second triggering method; the second subscription content includes status information, and the second triggering method includes periodically reporting the second subscription content; or reporting the second subscription content when a second preset triggering condition is met; the at least one third base station includes at least the second base station; Receive third information sent by the at least one third base station according to a second triggering manner, where the third information includes the second subscription content.
9. The method according to claim 8, wherein The status information includes at least one of the following: carrier off state, channel off state, cell dormant state, carrier on state, channel on state, and cell activated state.
10. The method according to claim 1, 8 or 9, wherein Before sending the second information to the second base station according to the first information, the method further includes: When the first network device determines that the second base station is in the first state, it determines whether to send second information to the second base station based on the first information, and the second information is used for the second base station to switch from the first state to the second state.
11. The method according to claim 10, wherein: The determining that the second base station is in the first state includes: The first network device receives third information sent by the second base station, where the third information includes state information of the second base station; The first network device determines, based on the state information, that the second base station is in the first state.
12. The method according to claim 11, wherein The first state includes at least one of the following: a carrier off state, a channel off state, and a cell dormant state.
13. The method according to claim 11, wherein The first network device receiving third information sent by the second base station includes: The first network device receives the third information sent by the second base station according to the second triggering manner.
14. The method according to claim 10, wherein: The energy-saving effect of the first state is better than the energy-saving effect of the second state.
15. The method according to claim 1, wherein The method further comprises: The first network device sends a third subscription request to at least one third base station, where the third subscription request includes third subscription content, and the third subscription content includes first configuration information and third location information of the base station; the at least one third base station includes the at least one first base station and / or the second base station; The first network device receives fourth information sent by the at least one third base station, where the fourth information includes the third subscription content.
16. The method according to claim 15, wherein The first configuration information of the base station includes one or more of the following: frequency information of the base station, bandwidth information of the base station, user information of the base station, transmit power information of the base station, mobility management parameter configuration information of the base station, and access control parameter configuration information of the base station; and / or, The third location information includes one or more of the following: location information of the base station, the relative position of the base station and the neighboring base station, the coverage range of the base station, and the coverage range of the neighboring base station.
17. The method according to claim 1, 15 or 16, wherein The method further comprises: The first network device creates first relationship information related to the base station according to the first configuration information and the third location information of the base station; the first relationship information includes at least base station information, neighboring base station information and trigger area information.
18. The method according to claim 17, wherein The trigger area information is the overlapping coverage area between the coverage area of the base station and the coverage area of the neighboring base station.
19. The method according to claim 5, wherein: The method further comprises: The first network device determines, according to the first configuration information of the base station, second data related to the user subscribed by the base station, and determines a first threshold corresponding to each piece of data; The first network device determines a first preset trigger condition according to at least one item of data corresponding to the base station and a first threshold corresponding to each item of data.
20. The method according to claim 17, wherein The first relationship information also includes second data corresponding to the base station and a first preset trigger condition.
21. The method according to claim 17, wherein The first relationship information also includes a second threshold corresponding to the base station, wherein the second threshold is used to decide whether to send the second information to the second base station.
22. The method according to claim 17, wherein The first relationship information also includes a conversion relationship for converting the second data and the first threshold corresponding to each item of data into a factor.
23. The method according to claim 17, wherein The method further comprises: The first network device determines, according to the first relationship information, that the cell where the at least one first base station is located is a neighboring cell of the second base station.
24. The method according to claim 10, wherein The determining, according to the first information, whether to send the second information to the second base station or not includes: The first network device filters the first information according to the first triggering area information related to the second base station to obtain first data of a first user that meets the first triggering area information; the first user is any user in the first information whose first location information meets the first triggering area information; The first network device converts the first data of the first user to obtain a first factor; The first network device adds the first factors corresponding to all first users that meet the first trigger area information to obtain a first value; The first network device compares the first value with a second threshold associated with the second base station, and determines whether to send second information to the second base station based on the comparison result.
25. The method according to claim 24, wherein The first network device converts the first data of the first user to obtain a first factor, including: The first network device converts each item of first data of the first user according to a corresponding conversion relationship and then adds the converted items to obtain a first factor.
26. The method according to claim 25, wherein The first network device converts each item of the first data of the first user according to a corresponding conversion relationship and then adds the converted items to obtain a first factor, including: The first network device converts each item of first data of the first user according to a corresponding conversion relationship and then adds the converted items. The summed data is multiplied by a first weight corresponding to the first user to obtain a first factor.
27. The method according to claim 24, wherein The determining, according to the comparison result, whether to send the second information to the second base station or not includes: When the comparison result is that the first value is greater than or equal to the second threshold, determine to send second information to the second base station; When the comparison result is that the first value is less than the second threshold, it is determined not to send the second information to the second base station.
28. The method according to claim 1, wherein In the case where the first network device is an intelligent control platform in an open radio access network O-RAN system, the first network device communicates with the base station through an E2 interface; or In the case where the first network device is a control base station, the first network device communicates with the base station via an X2 interface.
29. A network energy-saving wake-up method, the method being applied to a first base station, the method comprising: The first base station sends first information to the first network device, where the first information includes at least first data related to the user and first location information of the user; The first information is used by the first network device to send second information for network energy-saving wake-up to the second base station.
30. The method according to claim 29, wherein The first user-related data includes at least one of the following: Network device user plane measurement information for users / user groups; Performance indicators related to user / user group mobility; Performance indicators related to random access of users / user groups.
31. The method according to claim 29, wherein The second information includes at least one of the following: carrier activation or wake-up indication information, channel activation or wake-up indication information, and cell activation or wake-up indication information.
32. The method of claim 29, wherein: Before the first base station sends the first information to the first network device, the method further includes: The first base station receives a first subscription request sent by the first network device, where the first subscription request includes first subscription content and a first trigger method; the first subscription content includes second data related to the user and second location information of the user; the first trigger method includes periodically reporting the first subscription content; or, reporting the first subscription content when a first preset trigger condition is met.
33. The method according to claim 32, wherein The first base station sending first information to the first network device includes: The first base station sends the first information to the first network device according to the first triggering manner.
34. The method of claim 32, wherein: The second user-related data includes one or more of the following: Network device user plane measurement information for users / user groups; Performance indicators related to user / user group mobility; Performance indicators related to random access of users / user groups.
35. The method of claim 29, wherein: The method further comprises: The first base station receives a third subscription request sent by the first network device, where the third subscription request includes third subscription content, and the third subscription content includes first configuration information and third location information of the base station; the location information includes the location of the base station and / or the relative location of the base station and a neighboring base station; The first base station sends fourth information to the first network device, where the fourth information includes the third subscription content.
36. The method according to claim 35, wherein The first configuration information of the base station includes one or more of the following: frequency information of the base station, bandwidth information of the base station, user information of the base station, transmit power information of the base station, mobility management parameter configuration information of the base station, and access control parameter configuration information of the base station; and / or, The third location information includes one or more of the following: location information of the base station, the relative position of the base station and the neighboring base station, the coverage range of the base station, and the coverage range of the neighboring base station.
37. The method of claim 29, wherein: In the case where the first network device is an intelligent control platform in an O-RAN system, the first network device communicates with the first base station through an E2 interface; or In the case where the first network device is a control base station, the first network device communicates with the first base station via an X2 interface.
38. A network energy-saving wake-up method, the method being applied to a second base station, the method comprising: The second base station receives second information sent by the first network device, where the second information is used for network energy saving wake-up; The second information is sent by the first network device according to the first information sent by at least one first base station; the first information at least includes first data related to the user and first location information of the user.
39. The method according to claim 38, wherein The at least one first base station includes the at least one second base station or a neighboring cell of the cell where the second base station is located.
40. The method of claim 38, wherein The first user-related data includes at least one of the following: Network device user plane measurement information for users / user groups; Performance indicators related to user / user group mobility; Performance indicators related to random access of users / user groups.
41. The method of claim 38, wherein The second information includes at least one of the following: carrier activation or wake-up indication information, channel activation or wake-up indication information, and cell activation or wake-up indication information.
42. The method of claim 38, wherein Before the second base station receives the second information sent by the first network device, the method further includes: The second base station receives a first subscription request sent by the first network device, where the first subscription request includes first subscription content and a first triggering method; the first subscription content includes second data related to the user and second location information of the user; the first triggering method includes periodically reporting the first subscription content; or reporting the first subscription content when a first preset triggering condition is met; The second base station sends the first information to the first network device according to the first triggering manner.
43. The method according to claim 42, wherein The second user-related data includes one or more of the following: Network device user plane measurement information for users / user groups; Performance indicators related to user / user group mobility; Performance indicators related to random access of users / user groups.
44. The method of claim 38, wherein Before the second base station receives the second information sent by the first network device, the method further includes: The second base station receives a second subscription request sent by the first network device, where the second subscription request includes second subscription content and a second triggering method; the second subscription content includes status information, and the second triggering method includes periodically reporting the second subscription content; or reporting the second subscription content when a second preset triggering condition is met; The second base station sends third information to the first network device according to the second triggering manner, where the third information includes status information of the second base station.
45. The method of claim 44, wherein: The status information includes at least one of the following: carrier off state, channel off state, cell dormant state, carrier on state, channel on state, and cell activated state.
46. The method of claim 38, wherein Before the second base station receives the second information sent by the first network device, the method further includes: The second base station receives a third subscription request sent by the first network device, where the third subscription request includes third subscription content, and the third subscription content includes first configuration information and third location information of the base station; The second base station sends fourth information to the first network device, where the fourth information includes the third subscription content.
47. The method of claim 46, wherein The first configuration information of the base station includes one or more of the following: frequency information of the base station, bandwidth information of the base station, user information of the base station, transmit power information of the base station, mobility management parameter configuration information of the base station, and access control parameter configuration information of the base station; and / or, The third location information includes one or more of the following: location information of the base station, the relative position of the base station and the neighboring base station, the coverage range of the base station, and the coverage range of the neighboring base station.
48. The method of claim 38, wherein In the case where the first network device is an intelligent control platform in an O-RAN system, the first network device and the second base station communicate and interact via an E2 interface; or In the case where the first network device is a control base station, the first network device communicates with the second base station via an X2 interface.
49. A network energy-saving wake-up device, the device being applied to a first network device, the device comprising: A first communication unit, configured to obtain first information sent by at least one first base station; The first information includes at least first data related to the user and first location information of the user; It is also used to send second information to the second base station according to the first information, where the second information is used for network energy saving wake-up.
50. A network energy-saving wake-up device, the device being applied to a first base station, the device comprising: a second communication unit, configured to send first information to the first network device, wherein the first information includes at least first data related to the user and first location information of the user; The first information is used by the first network device to send second information for network energy-saving wake-up to the second base station.
51. A network energy-saving wake-up device, the device being applied to a second base station, the device comprising: A third communication unit is configured to receive second information sent by the first network device, where the second information is used for network energy-saving wake-up; The second information is sent by the first network device according to the first information sent by at least one first base station; the first information at least includes first data related to the user and first location information of the user.
52. A computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of the method according to any one of claims 1 to 28; or When the program is executed by a processor, the steps of the method according to any one of claims 29 to 37 are implemented; or When the program is executed by a processor, the steps of the method according to any one of claims 38 to 48 are implemented.
53. A communication device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the steps of the method according to any one of claims 1 to 28 are implemented; or When the processor executes the program, the steps of the method according to any one of claims 29 to 37 are implemented; or When the processor executes the program, the steps of the method according to any one of claims 38 to 48 are implemented.
54. A computer program product comprising computer program instructions, the computer program instructions causing a communication device to perform the steps of the method according to any one of claims 1 to 28; or The computer program instructions cause the communication device to execute the steps of the method according to any one of claims 29 to 37; or The computer program instructions cause the communication device to execute the steps of the method according to any one of claims 38 to 48.
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