Signal transmission control method, communication device, storage medium and program product
By sending instructions to nodes of the cell, activating the target state and periodically sending common signals, the problem of terminal access failure when the cell sends signals on demand is solved, and coverage performance and resource utilization efficiency are improved.
Patent Information
- Application Number
- CN202510266247.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2025-06-10
AI Technical Summary
When the cell is in a state where the public signal is sent on demand, it may cause the terminal to be unable to perform signal measurement and time synchronization during handover, resulting in call interruptions and data transmission interruptions, affecting user experience and cell coverage performance.
By sending an indication message to the node of the second cell, the target state is activated, and the cell periodically sends a common signal, thereby ensuring that the terminal can successfully access the cell.
This reduces call interruptions and data transmission interruptions caused by insufficient signals when the terminal accesses the cell, and improves the coverage performance of the cell and network resource utilization efficiency.
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Figure CN120129004A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of communication technologies, and in particular, to a signal transmission control method, a communication device, a storage medium, and a program product. Background Art
[0002] The common signals of a cell provide necessary information for user equipment (UE) to ensure that the device can correctly access the network, maintain the connection, and conduct effective communication. In a wireless network, the frequent transmission of common signals such as synchronization signals and system messages will increase the energy consumption of network devices. To reduce the energy consumption of the wireless network, related technologies have proposed a technology for sending common signals on demand, which can dynamically adjust and send cell common messages according to demands, reduce the power consumption of network devices, and optimize resource utilization.
[0003] However, when the cell is in the state of sending common signals on demand, there will be time periods when the common signals are not sent. During the time period when the cell does not send common signals, when a terminal needs to switch to the cell, the handover may fail because the common signals of the cell cannot be measured and time-synchronized, which may lead to phenomena such as voice call drops and data transmission interruptions for the terminal, not only affecting the user experience, but also reducing the coverage performance of the cell. Summary of the Invention
[0004] This application provides a signal transmission control method, a communication device, a storage medium, and a program product for improving the coverage performance of a cell.
[0005] In a first aspect, this application provides a signal transmission control method applied to a first node belonging to a first cell. The method includes: sending a first indication message to a second node belonging to a second cell, where the first indication message is used to indicate the second cell to deactivate a target state; wherein, a cell in the activated target state sends common signals on demand, and a cell in the deactivated target state sends common signals periodically; the first indication message includes at least one of the following: deactivation target state indication information; deactivation target state time information.
[0006] The technical solution provided by this application at least brings the following beneficial effects: The signal transmission control method provided by this application can indicate the second cell to deactivate the target state by sending a first indication message to the second node belonging to the second cell, so that the second cell can send common signals periodically, facilitating the terminal to access the second cell to meet the terminal access requirements. In this way, the probability that the terminal has a call interruption phenomenon or a data transmission interruption phenomenon due to the second cell being in the activated target state when the terminal needs to access the second cell can be reduced, the coverage performance of the cell is improved, and thus the network resource utilization efficiency is increased.
[0007] A possible implementation method for sending a first indication message to a second node includes: obtaining the predicted number of target terminals; the target terminals are terminals located within a first area, and the first area is the signal coverage overlapping area of a first cell and a second cell; based on the predicted number of target terminals, when a preset condition is satisfied, sending the first indication message to the second node.
[0008] Another possible implementation method for obtaining the predicted number of target terminals includes: obtaining the number of target terminals in each of at least one measurement period; based on the number of target terminals in each of at least one measurement period, determining the predicted number of target terminals.
[0009] Another possible implementation method for determining the predicted number of target terminals based on the number of target terminals in each of at least one measurement period includes: determining the predicted number of target terminals based on the number of target terminals in each of at least one measurement period and a quantity prediction model.
[0010] Another possible implementation method, the quantity prediction model includes any one of a time series prediction model and a neural network model.
[0011] Another possible implementation method, the target terminals include a first terminal and a second terminal; the first terminal is a terminal that accesses the first cell and is located within the first area; the second terminal is a terminal in the first terminal whose received signal strength of the first cell is less than a first preset threshold.
[0012] Another possible implementation method for obtaining the number of target terminals in each of at least one measurement period includes: for each of at least one measurement period, obtaining the location information and measurement report of a third terminal that accesses the first cell during the measurement period; based on the location information of the third terminal, determining the number of first terminals during the measurement period; based on the location information and measurement report of the third terminal, determining the number of second terminals during the measurement period.
[0013] Another possible implementation method for determining the number of first terminals during the measurement period based on the location information of the third terminal includes: based on the location information of the third terminal, determining the third terminals among the third terminals that are located within the first area; determining the number of the third terminals among the third terminals that are located within the first area as the number of first terminals during the measurement period.
[0014] Another possible implementation method is to determine the number of second terminals within a measurement period based on the location information and measurement report of a third terminal, including: determining a fourth terminal based on the measurement report of the third terminal, where the fourth terminal is a terminal whose received signal strength in a first cell is less than a first preset threshold; and determining the number of fourth terminals located in a first area among the fourth terminals as the number of second terminals within the measurement period based on the location information of the fourth terminals.
[0015] Another possible implementation method, the preset conditions include at least one of the following: the predicted number of first terminals is greater than a second preset threshold, and the load of the first cell is greater than a third preset threshold; the predicted number of second terminals is greater than a fourth preset threshold.
[0016] Another possible implementation method, the deactivation target state time information includes at least one of the following: deactivation target state moment information, which is used to indicate the start moment of the deactivation target state of a second cell; deactivation target state duration information, which is used to indicate the duration of the deactivation target state of the second cell.
[0017] Another possible implementation method, the predicted number of target terminals includes the predicted number of target terminals in each prediction period of at least one prediction period; the deactivation target state time information is determined based on the predicted number of target terminals in each prediction period of at least one prediction period.
[0018] Another possible implementation method, the method further includes: when it is determined that the second cell is in the deactivation target state, sending a second indication message to the target terminal, where the second indication message is used to instruct the target terminal to access the second cell.
[0019] Another possible implementation method, determining that the second cell is in the deactivation target state includes: when receiving a third indication message sent by a second node, determining that the second cell is in the deactivation target state, where the third indication message is used to indicate that the deactivation target state of the second cell is successful.
[0020] Another possible implementation method, when receiving a third indication message sent by a second node, determining that the second cell is in the deactivation target state includes: when receiving the third indication message sent by the second node within a preset duration, determining that the second cell is in the deactivation target state.
[0021] Another possible implementation method, the third indication message includes at least one of the following: deactivation target state completion indication information; deactivation target state time information.
[0022] In another possible implementation manner, the second indication message includes at least one of the following: a target cell identifier, which is used to indicate a second cell; cell handover indication information, which is used to indicate that a target terminal accesses the cell indicated by the target cell identifier.
[0023] In another possible implementation manner, the cell handover indication information includes handover threshold information, which is used to indicate cell handover conditions.
[0024] In another possible implementation manner, the cell handover conditions include any one of the following: the received signal strength of the second cell is greater than a first handover threshold; the received signal strength of the second cell is greater than the received signal strength of the first cell, and the difference between the received signal strength of the second cell and the received signal strength of the first cell is greater than a second handover threshold.
[0025] In a second aspect, the present application provides a signal transmission control method, which is applied to a second node to which a second cell belongs; the method includes: receiving a first indication message sent by a first node to which a first cell belongs; the first indication message is used to indicate that the second cell deactivates a target state; wherein, a cell in the activated target state sends a common signal on demand, and a cell in the deactivated target state sends a common signal periodically; in response to the first indication message, controlling the second cell to deactivate the target state.
[0026] The signal transmission control method provided by the present application can, in the case of receiving the first indication message sent by the first node to which the first cell belongs, control the second cell to deactivate the target state, so that the second cell can send a common signal periodically, facilitating the terminal to access the second cell. By controlling the second cell to deactivate the target state, it is not only possible to reduce the probability that the terminal experiences a call interruption or data transmission interruption phenomenon due to the second cell being in the activated target state when the terminal needs to access the second cell, improve the coverage performance of the cell, but also improve the network resource utilization efficiency and enhance the continuity and reliability of the communication service.
[0027] In a possible implementation manner, the method further includes: sending a third indication message to the first node, where the third indication message is used to indicate that the second cell deactivates the target state successfully.
[0028] In another possible implementation manner, the first indication message includes at least one of the following: deactivation target state indication information; deactivation target state time information.
[0029] Another possible implementation manner, the deactivation target state time information includes at least one of the following: deactivation target state moment information, which is used to indicate the start moment of the second cell's deactivation target state; deactivation target state duration information, which is used to indicate the duration of the second cell's deactivation target state.
[0030] Another possible implementation manner, controlling the second cell to deactivate the target state includes: controlling the second cell to deactivate the target state at the moment indicated by the deactivation target state moment information; the duration of the second cell's deactivation target state is the duration indicated by the deactivation target state duration information.
[0031] In a third aspect, the present application provides a signal transmission control device, including: a communication module; the communication module is used to send a first indication message to a second node to which the second cell belongs, and the first indication message is used to indicate that the second cell deactivates the target state; wherein, the cell under the activation target state sends a common signal on demand, and the cell under the deactivation target state sends a common signal periodically; the first indication message includes at least one of the following: deactivation target state indication information; deactivation target state time information.
[0032] A possible implementation manner, the signal transmission control device further includes: a determination module; the determination module is used to obtain the predicted number of target terminals; the target terminals are terminals located in a first area, and the first area is the signal coverage overlapping area of the first cell and the second cell; the communication module is specifically used to send the first indication message to the second node when the preset condition is met based on the predicted number of target terminals.
[0033] Another possible implementation manner, the determination module is specifically used to obtain the number of target terminals in each measurement period of at least one measurement period; based on the number of target terminals in each measurement period of at least one measurement period, determine the predicted number of target terminals.
[0034] Another possible implementation manner, the determination module is specifically used to determine the predicted number of target terminals based on the number of target terminals in each measurement period of at least one measurement period and a number prediction model.
[0035] Another possible implementation manner, the number prediction model includes any one of a time series prediction model and a neural network model.
[0036] Another possible implementation manner, the target terminals include a first terminal and a second terminal; the first terminal is a terminal that accesses the first cell and is located in the first area; the second terminal is a terminal in the first terminal whose received signal strength of the first cell is less than a first preset threshold.
[0037] Another possible implementation manner, a determination module, specifically configured to, for each measurement period in at least one measurement period, obtain the location information and measurement reports of the third terminals accessing the first cell during the measurement period; determine the number of first terminals during the measurement period based on the location information of the third terminals; and determine the number of second terminals during the measurement period based on the location information and measurement reports of the third terminals.
[0038] Another possible implementation manner, a determination module, specifically configured to determine the third terminals located in the first area among the third terminals based on the location information of the third terminals; and determine the number of the third terminals located in the first area among the third terminals as the number of first terminals during the measurement period.
[0039] Another possible implementation manner, a determination module, specifically configured to determine fourth terminals based on the measurement reports of the third terminals, where the fourth terminals are terminals with the received signal strength of the first cell less than a first preset threshold; and determine the number of the fourth terminals located in the first area among the fourth terminals as the number of second terminals during the measurement period based on the location information of the fourth terminals.
[0040] Another possible implementation manner, the preset conditions include at least one of the following: the predicted number of first terminals is greater than a second preset threshold, and the load of the first cell is greater than a third preset threshold; the predicted number of second terminals is greater than a fourth preset threshold.
[0041] Another possible implementation manner, the deactivation target state time information includes at least one of the following: deactivation target state moment information, which is used to indicate the start moment of the deactivation target state of the second cell; deactivation target state duration information, which is used to indicate the duration of the deactivation target state of the second cell.
[0042] Another possible implementation manner, the predicted number of target terminals includes the predicted number of target terminals in each prediction period of at least one prediction period; and the deactivation target state time information is determined based on the predicted number of target terminals in each prediction period of at least one prediction period.
[0043] Another possible implementation manner, the communication module is further configured to, when it is determined that the second cell is in the deactivation target state, send a second indication message to the target terminal, where the second indication message is used to indicate the target terminal to access the second cell.
[0044] Another possible implementation manner, the communication module is specifically configured to determine that the second cell is in the deactivation target state when receiving a third indication message sent by a second node, where the third indication message is used to indicate that the deactivation target state of the second cell is successful.
[0045] Another possible implementation manner, the communication module is specifically configured to determine that the second cell is in the deactivation target state when receiving a third indication message sent by the second node within a preset duration.
[0046] Another possible implementation manner, the third indication message includes at least one of the following: deactivation target state completion indication information; deactivation target state time information.
[0047] Another possible implementation manner, the second indication message includes at least one of the following: target cell identifier, the target cell identifier is used to indicate the second cell; cell handover indication information, the cell handover indication information is used to indicate that the target terminal accesses the cell indicated by the target cell identifier.
[0048] Another possible implementation manner, the cell handover indication information includes handover threshold information, and the handover threshold information is used to indicate the cell handover condition.
[0049] Another possible implementation manner, the cell handover condition includes any one of the following: the received signal strength of the second cell is greater than the first handover threshold; the received signal strength of the second cell is greater than the received signal strength of the first cell, and the difference between the received signal strength of the second cell and the received signal strength of the first cell is greater than the second handover threshold.
[0050] In a fourth aspect, the present application provides a signal transmission control device, including: a communication module and a control module; the communication module is configured to receive a first indication message sent by a first node to which a first cell belongs; the first indication message is used to indicate the deactivation target state of a second cell; wherein, the cell in the activation target state sends a common signal on demand, and the cell in the deactivation target state sends a common signal periodically; the control module is configured to control the second cell to enter the deactivation target state in response to the first indication message.
[0051] A possible implementation manner, the communication module is further configured to send a third indication message to the first node, and the third indication message is used to indicate that the deactivation of the second cell to the target state is successful.
[0052] Another possible implementation manner, the first indication message includes at least one of the following: deactivation target state indication information; deactivation target state time information.
[0053] Another possible implementation manner, the deactivation target state time information includes at least one of the following: deactivation target state moment information, the deactivation target state moment information is used to indicate the start moment of the deactivation target state of the second cell; deactivation target state duration information, the deactivation target state duration information is used to indicate the duration of the deactivation target state of the second cell.
[0054] Another possible implementation manner, a control module, specifically configured to control the second cell to deactivate the target state at the time indicated by the deactivation target state time information; the duration of the deactivation target state of the second cell is the duration indicated by the deactivation target state duration information
[0055] In a fifth aspect, the present application provides a communication device, which includes: a processor and a memory; the memory stores instructions executable by the processor; when the processor is configured to execute the instructions, the communication device implements the method of the first aspect or the second aspect described above.
[0056] In a sixth aspect, the present application provides a computer-readable storage medium, which includes: computer software instructions; when the computer software instructions run in a communication device, the communication device implements the method of the first aspect or the second aspect described above.
[0057] In a seventh aspect, the present application provides a computer program product, which includes a computer program; when the computer program runs in a communication device, the communication device implements the method of the first aspect or the second aspect described above.
[0058] For the beneficial effects of the third aspect to the seventh aspect described above, reference may be made to the corresponding descriptions of the first aspect or the second aspect, and details are not repeated here. BRIEF DESCRIPTION OF THE DRAWINGS
[0059] Figure 1 It is a schematic diagram of an application environment of a signal transmission control method provided by the present application;
[0060] Figure 2 It is a schematic flowchart of a signal transmission control method provided by the present application;
[0061] Figure 3 It is a schematic flowchart of another signal transmission control method provided by the present application;
[0062] Figure 4 It is a schematic flowchart of yet another signal transmission control method provided by the present application;
[0063] Figure 5 It is a schematic flowchart of yet another signal transmission control method provided by the present application;
[0064] Figure 6 It is a schematic flowchart of yet another signal transmission control method provided by the present application;
[0065] Figure 7 It is a schematic flowchart of yet another signal transmission control method provided by the present application;
[0066] Figure 8 It is a schematic diagram of the composition of a signal transmission control device provided by the present application;
[0067] Figure 9 Schematic diagram of the composition of another signal transmission control device provided by this application;
[0068] Figure 10 Schematic diagram of the structure of a communication device provided by this application. Detailed implementation manners
[0069] The signal transmission control method provided by this application will be described in detail below with reference to the accompanying drawings.
[0070] The term "and / or" in this document is merely a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone.
[0071] The terms "first" and "second" in the description of this application and in the accompanying drawings are used to distinguish different objects or to distinguish different treatments of the same object, rather than to describe the specific order of the objects.
[0072] In addition, the terms "including" and "having" mentioned in the description of this application and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally further include other unlisted steps or units, or may optionally further include other steps or units inherent to these processes, methods, products, or devices.
[0073] It should be noted that in the embodiments of this application, words such as "exemplary" or "for example" are used to represent examples, illustrations, or explanations. Any embodiment or design solution described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or having more advantages than other embodiments or design solutions. Rather, the use of words such as "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.
[0074] To facilitate a clear description of the technical solutions in the embodiments of this application, in the embodiments of this application, words such as "first" and "second" are used to distinguish the same items or similar items with basically the same functions and roles. Those skilled in the art can understand that the words such as "first" and "second" do not limit the quantity and execution order.
[0075] In the description of this application, unless otherwise specified, the meaning of "a plurality" refers to two or more.
[0076] The technical solutions provided by the embodiments of this application can be applied to various mobile communication networks. For example, the New Radio (NR) mobile communication network adopting the fifth generation mobile communication technology (5G), the time division duplex long term evolution (TD-LTE) mobile communication network, the frequency division duplex long term evolution (FDD-LTE) mobile communication network, future mobile communication networks, or various communication fusion systems, etc. The embodiments of this application do not limit this.
[0077] With the development of mobile communication technology from 5G to the next generation of mobile communication technology, the bandwidth and number of channels supported by network devices are getting larger and larger, and the requirements for device power consumption are also getting higher and higher. However, in a wireless network, the public signals of a cell provide necessary information for terminal devices to ensure that the devices can correctly access the network, maintain the connection, and conduct effective communication. However, the frequent transmission of public signals such as synchronization signals and system messages will increase the energy consumption of network devices.
[0078] To reduce the energy consumption of wireless networks, the prior art has proposed a technology for sending public signals on demand. The public signals of a cell are no longer sent periodically, but are sent on demand or not sent for a certain period of time. When a terminal device has a transmission requirement, the network device can quickly trigger the sending of public signals. The technology of sending public signals on demand can dynamically adjust and send cell public messages according to demand, reduce the power consumption of network devices, and optimize resource utilization.
[0079] However, when the cell is in the state of sending public signals on demand, there will be a period of time when public signals are not sent. During the period when the cell does not send public signals, when a terminal needs to switch to the cell, the handover may fail because it is unable to perform signal measurement and time synchronization on the public signals of the cell, which may lead to phenomena such as voice call drops and data transmission interruptions for the terminal, not only affecting the user experience, but also reducing the coverage performance of the cell.
[0080] In view of the above technical problems, the present application provides a signal transmission control method, the idea of which is as follows: by sending a first indication message to a second node to which a second cell belongs, the second cell can be instructed to deactivate the target state, so that the second cell can periodically send a common signal to facilitate the access of a terminal to the second cell to meet the terminal access requirements. In this way, the probability that the terminal has a call interruption or data transmission interruption when the terminal needs to access the second cell due to the second cell being in the active target state can be reduced, the coverage performance of the cell is improved, and thus the network resource utilization efficiency is increased.
[0081] The following specifically introduces the embodiments provided by the present application in conjunction with the accompanying drawings of the specification.
[0082] The signal transmission control method provided by the present application can be applied to an application environment as Figure 1 shown. As Figure 1 shown, the application environment includes: a first cell 110, a first node 111 to which the first cell 110 belongs, a second cell 120, a second node 121 to which the second cell belongs, terminals 130, 131, and 132. Among them, there is a signal coverage overlapping area between the first cell 110 and the second cell 120, and the signal coverage overlapping area between the first cell 110 and the second cell 120 is a first area.
[0083] In some embodiments, the first cell 110 and the second cell 120 are respectively service coverage areas provided by two different base stations, or the first cell 110 and the second cell 120 are two different service coverage areas provided by the same base station.
[0084] In some embodiments, the first node 111 and the second node 121 may be network-side devices. Exemplarily, the first node 111 and the second node 121 may be base stations or evolved base stations (eNB or eNodeB) in long term evolution (LTE), long term evolution advanced (LTEA), base station devices in a 5G network, or base stations in a future communication system, etc. The base station may include various macro base stations, micro base stations, home base stations, wireless remote radio heads, reconfigurable intelligent surfaces (RIS), routers, wireless fidelity (WIFI) devices, etc. The present application does not limit the specific device forms of the first node 111 and the second node 121, Figure 1 and only the first node 111 and the second node 121 are taken as base stations as an example for illustration.
[0085] In some embodiments, within the signal coverage area of the first cell 110, there are multiple terminals, such as terminals 130, 131, and 132.
[0086] In some embodiments, when the first node 111 and the second node 121 are base stations, the first node 111 and the second node 121 are used to provide wireless access services for multiple terminals. Exemplarily, the first node 111 provides a service coverage area, that is, the first cell 110. Terminals entering the signal coverage area of the first cell 110 can communicate with the first node through wireless signals to receive the wireless access services provided by the first node 111. Similarly, the second node 121 provides a service coverage area, that is, the second cell 120. Terminals entering the signal coverage area of the second cell 120 can communicate with the second node through wireless signals to receive the wireless access services provided by the second node 121. Among them, the first node 111 and the second node 121 can be the same base station or two different base stations.
[0087] In some embodiments, there is a message interaction interface between the first node 111 and the second node 121, and there is also a message interaction interface between the first node 111, the second node 121, and the target terminal. Exemplarily, when the first node 111 and the second node 121 are base stations, the first node 111 and the second node 121 can perform message interaction through the Xn interface. The first node 111, the second node 121, and the target terminal can perform message interaction through the air interface.
[0088] In some embodiments, the terminals 130, 131, and 132 may be devices with wireless transceiver functions. They can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; they can also be deployed on water (such as ships, etc.); and they can also be deployed in the air (such as airplanes, balloons, satellites, etc.). The terminal can be a mobile phone, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal, an augmented reality (AR) terminal, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical, a wireless terminal in smart grid, a wireless terminal in transportation safety, a wireless terminal in smart city, a wireless terminal in smart home, and so on. The embodiments of the present application do not limit the application scenarios. The terminal can sometimes also be referred to as a user, UE, access terminal, UE unit, UE station, mobile station, mobile unit, remote station, remote terminal, mobile device, UE terminal, wireless communication device, UE agent, or UE device, etc., and the embodiments of the present application do not limit this. Figure 1 Taking the terminals 130, 131, and 132 as mobile phone terminals as an example.
[0089] It should be noted that Figure 1 This is only a schematic diagram of an exemplary hardware implementation environment, Figure 1 The number of devices included and the names of each device are not restricted, and in addition to Figure 1 the devices shown, the communication system may also include other devices, such as core network devices.
[0090] In some embodiments, among multiple terminals, the terminal 131 located in the first area may be called the target terminal.
[0091] Exemplarily, when the first node 111 and the second node 121 are base stations, the terminal 131 can perform service migration between the first node 111 and the second node 121, that is, the terminal 131 can perform handover between the first cell 110 and the second cell 120.
[0092] In some embodiments, the first node 111 can obtain the predicted number of terminals 131, and based on the predicted number of terminals 131, when a preset condition is met, send a first indication message to the second node 121 to which the second cell 120 belongs. The first indication message is used to indicate that the second cell 120 deactivates the target state; wherein, a cell in the active target state sends a common signal on demand, and a cell in the deactivated target state sends a common signal periodically. The second node 121 can deactivate the target state of the second cell 120 when receiving the first indication message sent by the first node 111.
[0093] It should be noted that the system architecture described in the embodiments of the present application is for more clearly explaining the technical solutions of the embodiments of the present application, and does not constitute a limitation on the technical solutions provided in the embodiments of the present application. Those of ordinary skill in the art can know that with the evolution of the system architecture, the technical solutions provided in the embodiments of the present application are equally applicable to similar technical problems.
[0094] See Figure 2 , which is a schematic flowchart of a signal transmission control method provided by an embodiment of the present application. As Figure 2 shown, the signal transmission control method provided by the present application can be implemented by the above first node, including the following step S201.
[0095] S201. Send a first indication message to the second node to which the second cell belongs. The first indication message is used to indicate that the second cell deactivates the target state.
[0096] Among them, a cell in the active target state sends a common signal on demand, and a cell in the deactivated target state sends a common signal periodically. The first indication message includes at least one of the following: deactivation target state indication information, deactivation target state time information.
[0097] In some embodiments, the common signal may be synchronization and system broadcast information (SSB), system information blocks (SIB), etc.
[0098] In some embodiments, the deactivation target state time information includes at least one of the following: deactivation target state moment information, deactivation target state duration information. Among them, the deactivation target state moment information is used to indicate the start moment when the second cell deactivates the target state; the deactivation target state duration information is used to indicate the duration when the second cell deactivates the target state.
[0099] Exemplarily, when the first indication message is an interface message between base stations, such as an Xn interface message, the cells included in the first indication message are shown in Table 1 below.
[0100] Table 1
[0101]
[0102]
[0103] As shown in Table 1, the cell DeactivateTargetStatusIndication represents the deactivation target status indication information, which is an optionally present cell in the first indication message and is used to indicate whether the cell receiving the first indication message deactivates the target status; the data type of DeactivateTargetStatusIndication can be an enumeration type or an integer type.
[0104] When the data type of DeactivateTargetStatusIndication is an enumeration type, the values of the cell include activated, deactivated, or the values of the cell include True, False. When the value of the cell is activated or True, it is used to indicate that the cell receiving the first indication message performs the operation of deactivating the target status; when the value of the cell is deactivated or False, it is used to indicate that the cell receiving the first indication message does not need to perform the operation of deactivating the target status.
[0105] When the data type of DeactivateTargetStatusIndication is an integer type, the values of the cell include a first value N1 and a second value N2. When the value of the cell is N1, it indicates that the cell receiving the first indication message performs the operation of deactivating the target status; when the value of the cell is N2, it indicates that the cell receiving the first indication message does not need to perform the operation of deactivating the target status. Here, both N1 and N2 are integers, and N1 and N2 can be preset values.
[0106] The cell DeactivateTargetStatusDuration represents the deactivation target status duration information, which is an optionally present cell in the first indication message and is used to indicate the duration of deactivating the target status of the cell receiving the first indication message. The data type of DeactivateTargetStatusDuration is an integer type, and the value range of DeactivateTargetStatusDuration can be greater than or equal to 0 and less than or equal to 4096.
[0107] It should be noted that the value range of DeactivateTargetStatusDuration can also be extended to larger values, that is, the value range of DeactivateTargetStatusDuration can be greater than or equal to 0 and less than or equal to a preset time threshold, and the preset time threshold is an integer greater than 4096.
[0108] The cell DeactivateTargetStatusTime represents the deactivation target status time information, which is an optional cell in the first indication message and is used to indicate the start time of the deactivation target status of the cell receiving the first indication message. The numerical control type of DeactivateTargetStatusTime is the bit string number type, and the length of the string is 48 bits.
[0109] It can be seen from the above step S201 that the signal transmission control method provided by the present application can send a first indication message to the second node to which the second cell belongs to indicate that the second cell deactivates the target status, so that the second cell can periodically send a common signal, facilitating the terminal to access the second cell to meet the terminal access requirements. In this way, the probability that the terminal has a call interruption phenomenon or a data transmission interruption phenomenon due to the second cell being in the activation target status when the terminal needs to access the second cell can be reduced, the coverage performance of the cell is improved, and thus the network resource utilization efficiency is improved.
[0110] In some embodiments, in order to reduce unnecessary energy consumption generated when the second cell is in the deactivation target status, it is possible to indicate that the second cell deactivates the target status when there is an access requirement for the terminal to access the second cell to meet the terminal access requirements. Based on this, as Figure 3 shown, the above step S201 can be implemented as the following steps S301 - S302.
[0111] S301. Obtain the predicted number of target terminals.
[0112] Among them, the target terminal is a terminal located in the first area, and the first area is the signal coverage overlapping area of the first cell and the second cell.
[0113] In some embodiments, the acquisition method of the first area can refer to the descriptions in the following steps B1 - B2 or steps C1 - C3, and will not be elaborated here.
[0114] It can be understood that the target terminals located in the first area can access the first cell or the second cell, and it is possible to determine whether the terminals accessing the first cell among the target terminals need to switch to the second cell based on the predicted number of target terminals.
[0115] In some embodiments, the target terminal includes a first terminal and a second terminal, wherein the first terminal is a terminal accessing the first cell and located in the first area; and the second terminal is a terminal of the first terminal whose received signal strength of the first cell is less than a first preset threshold.
[0116] It should be understood that the second terminal is a terminal in the first terminal whose received signal strength of the first cell is less than the first preset threshold, which means that the received signal strength of the second terminal for the first cell is weak and is in the weak coverage area of the first cell. Therefore, the second terminal may also have other names, for example, weak coverage terminal.
[0117] In some embodiments, the predicted number of target terminals may be determined based on the number of target terminals within a historical preset time period. Figure 4 As shown, the above step S301 can be implemented as the following steps S3011-S3012.
[0118] S3011. Obtain the number of target terminals in each measurement cycle in at least one measurement cycle.
[0119] The measurement period may also have other names, such as a historical measurement period, which is not limited in the embodiments of the present application.
[0120] In some embodiments, at least one measurement cycle corresponds to a historical preset time, each measurement cycle corresponds to a predicted number of target terminals, and the predicted number of target terminals corresponding to a measurement cycle includes at least one of the predicted number of first terminals and the predicted number of second terminals corresponding to the measurement cycle.
[0121] In some embodiments, when the predicted number of target terminals includes the predicted number of target terminals for each prediction period in at least one prediction period, the deactivation target state time information is determined based on the predicted number of target terminals for each prediction period in at least one prediction period.
[0122] Exemplarily, the start time of at least one measurement cycle that meets the preset conditions can be used as the start time of the second cell deactivation target state, and the duration of at least one measurement cycle that meets the preset conditions can be used as the duration of the second cell deactivation target state.
[0123] It should be noted that, by determining the target deactivation state time based on the predicted value of the target terminal number, the second cell can be instructed to deactivate the target state during a time when there is a terminal access demand in the second cell to meet the terminal access demand. At the same time, during a time when there is less terminal access demand, the second cell can be instructed to activate the target state to minimize the network energy consumption of the second cell.
[0124] In some embodiments, when the target terminals include a first terminal and a second terminal, the above step S3011 may be implemented as the following steps A1 - A3.
[0125] A1. For each measurement period in at least one measurement period, obtain the location information and measurement report of a third terminal accessing a first cell within the measurement period.
[0126] Herein, the third terminal may be understood as a terminal accessing the first cell within the measurement period.
[0127] Exemplarily, the location information of the third terminal may be obtained through base station positioning technology or terminal positioning technology. For example, the location information of the third terminal may be determined based on at least one of the following positioning technologies: time difference of arrival (TDOA), angle of arrival (AoA), received signal strength indicator (RSSI), global positioning system (GPS), Wi-Fi positioning, bluetooth low energy (BLE) positioning, etc.
[0128] Exemplarily, the measurement report of the third terminal may be sent by the third terminal to a first node through a wireless interface.
[0129] A2. Based on the location information of the third terminal, determine the number of first terminals within the measurement period.
[0130] Exemplarily, the above step A2 may be implemented as the following steps A21 - A22.
[0131] A21. Based on the location information of the third terminal, determine the third terminals among the third terminals that are located in a first area.
[0132] The third terminals among the third terminals that are located in the first area may be determined based on the location information of each third terminal.
[0133] Exemplarily, the first area includes multiple locations. The third terminals among the third terminals whose distance from any location included in the first area is less than a preset distance threshold may be determined as the third terminals located in the first area.
[0134] A22. Determine the number of the third terminals among the third terminals that are located in the first area as the number of first terminals within the measurement period.
[0135] That is, the third terminals in the first area in the third terminal are determined as the first terminals, and then the number of the third terminals in the first area in the third terminal is determined as the number of the first terminals within the measurement period.
[0136] For steps A21 and A22, it can be understood as determining all the terminals accessing the first cell within the measurement period and obtaining the location information of each terminal; determining whether the terminal is in the first area according to the location information of the terminal, and if so, determining the accessing terminal as the first terminal and determining the number of the first terminals as the number of the first terminals within the measurement period.
[0137] A3. Determine the number of the second terminals within the measurement period based on the location information and measurement reports of the third terminals.
[0138] Exemplarily, the above step A3 can be implemented as the following steps A31 - A32.
[0139] A31. Determine the fourth terminals based on the measurement reports of the third terminals.
[0140] Among them, the fourth terminals are the terminals whose received signal strength of the first cell is less than the first preset threshold.
[0141] A32. Based on the location information of the fourth terminals, determine the number of the fourth terminals in the first area among the fourth terminals as the number of the second terminals within the measurement period.
[0142] From the above description of the second terminals, it can be understood that the second terminals can be regarded as weak coverage terminals. For steps A31 and A32, it can be understood as determining the weak coverage terminals (i.e., the fourth terminals) within the measurement period by obtaining the measurement reports of the terminals and obtaining the location information of each weak coverage terminal; determining whether the weak coverage terminal is in the first area according to the location information of the weak coverage terminal, and if so, determining the weak coverage terminal as the second terminal and determining the number of the second terminals as the measured value of the number of the second terminals.
[0143] Exemplarily, the first area includes multiple locations. The fourth terminals whose distance from any location included in the first area is less than the preset distance threshold among the fourth terminals can be determined as the fourth terminals in the first area, and the number of the fourth terminals in the first area is determined as the number of the second terminals within the measurement period.
[0144] S3012. Determine the predicted number of the target terminals based on the number of the target terminals in each measurement period of at least one measurement period.
[0145] In some embodiments, the predicted number of target terminals can be determined by analyzing the variation pattern of the number of target terminals in each measurement period. For example, the variation pattern of the number of target terminals in each measurement period can be analyzed through a quantity prediction model.
[0146] Based on this, step S3012 above can be implemented as: determining the predicted number of target terminals based on the number of target terminals in each measurement period of at least one measurement period and the quantity prediction model.
[0147] Exemplarily, the number of target terminals in each measurement period of at least one measurement period can be input into the quantity prediction model to obtain a quantity prediction result, and the quantity prediction result is used to indicate the predicted number of target terminals.
[0148] Wherein, the predicted number of target terminals can include the predicted number of target terminals in each prediction period of at least one prediction period.
[0149] In some embodiments, the quantity prediction model can include any one of a time series prediction model and a neural network model.
[0150] S302. Based on the predicted number of target terminals, when a preset condition is satisfied, send a first indication message to a second node to which a second cell belongs.
[0151] Among them, the cell in the active target state sends a common signal on demand, and the cell in the deactivated target state sends a common signal periodically.
[0152] It can be understood that the target terminals located in the first area can access the first cell or the second cell. The target terminals located in the first area and accessing the first cell will switch to the second cell when the load of the first cell is high or the signal reception strength of the first cell is small, which can optimize the resource utilization of the first cell and the second cell and improve the service quality of the first cell. If the second cell is in the active target state at this time, the target terminal may not be able to successfully access the second cell, resulting in possible call interruption or data transmission interruption of the target terminal. Therefore, when a preset condition is satisfied, sending a first indication message to the second node to which the second cell belongs to indicate the deactivation of the target state of the second cell, so that the target terminal can successfully access the second cell, can not only maintain the continuity and quality of the communication service, but also effectively balance the load of the first cell and the second cell, thereby improving the coverage performance of the cell.
[0153] Based on the above description, in the embodiments of the present application, according to the terminal location information, the first terminal located in the signal overlapping coverage area of the first cell (serving cell) and the second cell (neighbor cell with the active target state) and accessing the first cell, and the second terminal located in this area and with a poor received signal strength of the serving cell are determined, and the predicted numbers of the first terminal and the second terminal are obtained through the prediction model; in this way, the number of terminals to be accessed to the second cell can be predicted, and then when the number of terminals to be accessed to the second cell is large, the second cell is instructed to deactivate the target state to meet the access requirements of the terminals.
[0154] In some embodiments, when the target terminals include the first terminal and the second terminal, the preset conditions include at least one of the following.
[0155] The predicted number of the first terminal is greater than the second preset threshold, and the load of the first cell is greater than the third preset threshold.
[0156] The predicted number of the second terminal is greater than the fourth preset threshold.
[0157] Wherein, the second preset threshold can also be referred to as a preset value; the third preset threshold can also be referred to as a preset load threshold, and the present application does not make any limitation thereto.
[0158] It can be seen from the above steps S301 - S302 that the signal transmission control method provided by the present application can, based on the predicted numbers of the target terminals, and when the preset conditions are met, instruct the second cell to deactivate the target state, so that the second cell can periodically send public signals to facilitate the access of terminals to the second cell. It can not only improve the coverage performance of the cell, but also reduce the network energy consumption of the second cell and improve the network resource utilization efficiency.
[0159] It can be understood that after the first node instructs the second cell to deactivate the target state, it can also instruct the target terminals to access the second cell. Therefore, after the above step S302, the signal transmission control method provided by the present application further includes the following step S303.
[0160] S303. When it is determined that the second cell is in the deactivated target state, send a second indication message to the target terminals, where the second indication message is used to instruct the target terminals to access the second cell.
[0161] It can be understood that a cell in the active target state sends public information on demand. If the second cell fails to successfully deactivate the target state due to energy-saving strategies or other reasons, there may be a handover failure problem when the target terminals access the second cell, affecting the network performance. When it is determined that the second cell is in the deactivated target state and the target terminals are instructed to access the second cell, the continuity of the communication service can be maintained and the network coverage performance can be improved.
[0162] In some embodiments, after receiving the first indication message sent by the first node, the second node is capable of instructing the second cell to deactivate the target state and sending a third indication message to the first cell. Therefore, determining that the second cell is in the deactivated target state in step S303 above includes: determining that the second cell is in the deactivated target state when receiving the third indication message sent by the second node, where the third indication message is used to indicate that the deactivation of the target state of the second cell is successful.
[0163] In some embodiments, the third indication message includes at least one of the following: deactivation target state completion indication information, deactivation target state time information.
[0164] Exemplarily, when the third indication message is an interface message between base stations, such as an Xn interface message, the information elements included in the third indication message are shown in Table 2 below.
[0165] Table 2
[0166]
[0167] As shown in Table 2, the information element DeactivateTargetStatusCompleteIndication represents the deactivation target state completion indication information, which is an optional information element in the third indication message and is used to indicate whether the cell sending the third indication message has successfully deactivated the target state. The data type of DeactivateTargetStatusComplete Indication can be an enumerated type or an integer type.
[0168] When the data type of DeactivateTargetStatusIndication is an enumerated type, the values of the information element include activated, deactivated, or the values of the information element include True, False. When the value of the information element is activated or True, it indicates that the cell sending the third indication message has successfully deactivated the target state; when the value of the information element is deactivated or False, it indicates that the cell sending the third indication message has not successfully deactivated the target state.
[0169] When the data type of DeactivateTargetStatusIndication is an integer type, the values of the information element include a first numerical value N1 and a second numerical value N2. When the value of the information element is N1, it indicates that the cell sending the third indication message has successfully deactivated the target state; when the value of the information element is N2, it indicates that the cell sending the third indication message has not successfully deactivated the target state. Wherein, both N1 and N2 are integers, and N1 and N2 can be preset values.
[0170] The cell DeactivateTargetStatusDuration represents the deactivation target status time information. It is an optional cell in the third indication message and is used to indicate the duration of the deactivation target status of the cell that sends the third indication message. The data type of DeactivateTargetStatusDuration is an integer type, and the value range of DeactivateTargetStatusDuration can be greater than or equal to 0 and less than or equal to 4096.
[0171] It should be noted that the value range of DeactivateTargetStatusDuration can also be extended to larger values. That is, the value range of DeactivateTargetStatusDuration can be greater than or equal to 0 and less than or equal to a preset time threshold, and the preset time threshold is an integer greater than 4096.
[0172] It should be noted that if the first node does not receive the third indication message sent by the second node within the preset duration after sending the first indication message, it can be considered that the second cell fails to deactivate the target status. Exemplarily, in the case where the first node receives the third indication message sent by the second node, determining that the second cell is in the deactivation target status includes: determining that the second cell is in the deactivation target status when the third indication message sent by the second node is received within the preset duration.
[0173] For example, a timer can be set in the first cell. The timer starts timing after the first node sends the first indication message. In the case where the third indication message sent by the second node is not received within the preset time of the timer, it is determined that the second cell is in the activation target status.
[0174] In some embodiments, the second indication message includes at least one of the following: target cell identifier, cell handover indication information. Among them, the target cell identifier is used to indicate the second cell; the cell handover indication information is used to indicate that the target terminal accesses the cell indicated by the target cell identifier.
[0175] In some embodiments, the cell handover indication information may include handover threshold information. Among them, the handover threshold information is used to indicate the cell handover condition.
[0176] Exemplarily, the cells included in the second indication message are shown in Table 3 below.
[0177] Table 3
[0178]
[0179] As shown in Table 3, the cell TargetCellID represents the target cell identifier, which is used to indicate the physical cell identifier (ID) of the second cell. The data type of TargetCellID is integer type, and the value range is greater than or equal to 0 and less than or equal to 1007.
[0180] The cell HandoverThreshold represents the cell handover indication information, which is used to indicate the handover threshold parameters included in the handover threshold information. The data type of HandoverThreshold is integer type, and the value range is greater than or equal to 0 and less than or equal to N r1 。
[0181] As a possible implementation manner, when the second indication message is an RRC message, the cells included in the second indication message and the data structure of the cells can be defined by the following Abstract Syntax Notation One (ASN.1) definition fragment.
[0182]
[0183] Among them, MobilityIndication is used to indicate that the content defined within SEQUENCE is used to represent mobility indication information; TargetCellID represents the target cell identifier, and the data type is integer type; HandoverThreshold represents the cell handover indication information, and the data type is integer type.
[0184] In some embodiments, the cell handover conditions indicated by the above handover threshold information include any one of the following: the received signal strength of the second cell is greater than the first handover threshold; the received signal strength of the second cell is greater than the received signal strength of the first cell, and the difference between the received signal strength of the second cell and the received signal strength of the first cell is greater than the second handover threshold.
[0185] Exemplarily, after receiving the second indication message sent by the first node, the target terminal can switch to the second cell when the cell handover conditions are met.
[0186] In some embodiments, before obtaining the predicted number of target terminals, the location information of the first area needs to be determined. Exemplarily, the location information of the first area can be determined by methods such as network simulation, theoretical calculation, or testing.
[0187] As a possible implementation manner, determining the location information of the first area includes the following steps B1 - B2.
[0188] B1. When the second cell is in the deactivated target state, obtain the terminal measurement report of the first cell.
[0189] Among them, the terminal measurement report includes the received signal strength of the first cell and the received signal strength of the second cell.
[0190] B2. Determine the first area based on the location information of the terminals whose difference between the received signal strength of the first cell and the received signal strength of the second cell is less than the fifth preset threshold.
[0191] Exemplarily, the location where the difference between the received signal strength of the first cell and the received signal strength of the second cell is less than the fifth preset threshold for the terminal can be used as the location within the first area.
[0192] As another possible implementation, the steps for determining the location information of the first area include the following steps C1 - C3.
[0193] C1. Divide the signal coverage area of the first cell into multiple sub - areas.
[0194] C2. When the second cell is in the deactivated target state, obtain the received signal strength of the first cell and the received signal strength of the second cell in each of at least one sub - area.
[0195] Exemplarily, the received signal strength of the first cell and the received signal strength of the second cell in the sub - area can be obtained by using an instrument to measure at the center position of the sub - area.
[0196] C3. Determine the first area based on the location information of the sub - areas whose difference between the received signal strength of the first cell and the received signal strength of the second cell is less than the sixth preset threshold.
[0197] Exemplarily, the location of the sub - area where the difference between the received signal strength of the first cell and the received signal strength of the second cell is less than the sixth preset threshold can be used as the location within the first area. Among them, the fifth preset threshold and the sixth preset threshold can be the same value or different values.
[0198] It should be noted that the signal coverage area of the first cell and the signal coverage area of the second cell can be preset areas determined in the network planning stage. For example, a sector area centered on the location of the base station of the first cell, with the maximum coverage distance as the radius and the antenna main lobe width as the central angle, can be used as the signal coverage area of the first cell.
[0199] See Figure 5 , which is the flowchart of another signal transmission control method provided by the embodiment of the present application. As Figure 5As shown, the signal transmission control method provided by this application can be implemented through the above-mentioned second node, including the following steps S401 to S402.
[0200] S401. Receive a first indication message sent by a first node belonging to a first cell.
[0201] Among them, the first indication message is used to indicate the deactivation target state of a second cell. In the activated target state, the cell sends common signals on demand, and in the deactivated target state, the cell sends common signals periodically.
[0202] In some embodiments, the first indication message includes at least one of the following: deactivation target state indication information, deactivation target state time information.
[0203] Exemplarily, the deactivation target state time information includes at least one of the following: deactivation target state moment information, deactivation target state duration information. Among them, the deactivation target state moment information is used to indicate the start moment of the deactivation target state of the second cell; the deactivation target state duration information is used to indicate the duration of the deactivation target state of the second cell.
[0204] S402. In response to the first indication message, control the second cell to enter the deactivation target state.
[0205] In some embodiments, the second node can control the second cell to enter the deactivation target state by sending deactivation target state indication information to the second cell. Among them, the deactivation target state indication information is used to indicate the deactivation target state of the second cell.
[0206] In some embodiments, when the first indication message includes deactivation target state time information, and the deactivation target state time information includes deactivation target state moment information and deactivation target state duration information, the above step S402 can be implemented as: controlling the second cell to enter the deactivation target state at the moment indicated by the deactivation target state moment information; the duration of the second cell in the deactivation target state is the duration indicated by the deactivation target state duration information.
[0207] In some embodiments, after receiving the first indication message sent by the first node, the second node is capable of sending a message to the first cell indicating whether the second cell has successfully entered the deactivation target state. Therefore, after the above step S402, another signal transmission control method provided by this application further includes step S403.
[0208] S403. Send a third indication message to the first node, where the third indication message is used to indicate that the second cell has successfully entered the deactivation target state.
[0209] In some embodiments, the third indication message includes at least one of the following: deactivation target state completion indication information, deactivation target state time information.
[0210] As can be seen from the above steps S401 - S402, another signal transmission control method provided by the present application can control the second cell to deactivate the target state when receiving the first indication message sent by the first node to which the first cell belongs, so that the second cell can periodically transmit the common signal, facilitating the terminal to access the second cell. By controlling the second cell to deactivate the target state, not only can the probability of call interruption or data transmission interruption when the terminal needs to access the second cell be reduced, the coverage performance of the cell be improved, but also the network resource utilization efficiency can be increased, and the continuity and reliability of the communication service can be enhanced.
[0211] See Figure 6 , which is a schematic flowchart of yet another signal transmission control method provided by the embodiments of the present application. As Figure 6 shown, the signal transmission control method provided by the present application can be applied to the above target terminal, and this method may include the following steps S501 - S502.
[0212] S501. Receive a second indication message sent by the first node to which the first cell belongs.
[0213] Wherein, the second indication message is used to instruct the target terminal to access the second cell.
[0214] In some embodiments, the second indication message includes at least one of the following: target cell identifier, cell handover indication information. Wherein, the target cell identifier is used to indicate the second cell; the cell handover indication information is used to instruct the target terminal to access the cell indicated by the target cell identifier.
[0215] S502. In response to the second indication message, switch to the second cell.
[0216] In some embodiments, the cell handover indication information includes handover threshold information, and the handover threshold information is used to indicate the cell handover condition.
[0217] Exemplarily, the cell handover condition includes any one of the following: the received signal strength of the second cell is greater than the first handover threshold; the received signal strength of the second cell is greater than the received signal strength of the first cell, and the difference between the received signal strength of the second cell and the received signal strength of the first cell is greater than the second handover threshold.
[0218] In some embodiments, when the cell handover indication information includes handover threshold information, the above step S502 can be implemented as: in response to the second indication message, switch to the second cell when the cell handover condition is met.
[0219] As can be seen from the above steps S501 - S502, the target terminal switches to the second cell under the indication of the first node belonging to the first cell, which can maintain the service continuity of the target terminal during the movement process and reduce the probability of problems such as call interruption and data transmission interruption caused by the weakening of the signal strength.
[0220] Next, a specific embodiment will be used to introduce the signal transmission control method of the embodiment of the present application. As Figure 7 shown, the implementation process of this method includes the following steps S601 - S606.
[0221] S601. The first node obtains the predicted number of target terminals.
[0222] In some embodiments, the target terminal includes a first terminal and a second terminal. Among them, the first terminal is a terminal that accesses the first cell and is located in the first area; the second terminal is a terminal in the first terminal whose received signal strength of the first cell is less than the first preset threshold.
[0223] In some embodiments, the predicted number of target terminals is predicted based on the number of target terminals in each measurement period of at least one measurement period.
[0224] S602. Based on the predicted number of target terminals, when the preset conditions are met, the first node sends a first indication message to the second node belonging to the second cell. Correspondingly, the second node receives the first indication message sent by the first node.
[0225] Among them, the first indication message is used to indicate that the second cell deactivates the target state, and the cell in the activated target state sends a common signal on demand, and the cell in the deactivated target state sends a common signal periodically.
[0226] In some embodiments, the preset conditions include at least one of the following: the predicted number of the first terminals is greater than the second preset threshold, and the load of the first cell is greater than the third preset threshold; the predicted number of the second terminals is greater than the fourth preset threshold.
[0227] S603. The second node responds to the first indication message and controls the second cell to deactivate the target state.
[0228] S604. The second node sends a third indication message to the first node. Correspondingly, the first node receives the third indication message sent by the second node.
[0229] Among them, the third indication message is used to indicate that the second cell deactivates the target state successfully.
[0230] S605. When it is determined that the second cell is in the deactivated target state, the first node sends a second indication message to the target terminal. Correspondingly, the target terminal receives the second indication message sent by the first node.
[0231] Wherein, the second indication message is used to indicate the target terminal to access the second cell.
[0232] S606. The target terminal switches to the second cell in response to the second indication message.
[0233] It can be seen from the above steps S601 - S606 that the signal transmission control method provided in this application can predict the predicted number of first terminals located in the first area and accessing the first cell, and the predicted number of second terminals located in the first area and having poor received signal strength of the first cell, and use the first terminals and the second terminals as the terminals to be accessed to the second cell. When the predicted numbers of the first cell and the second cell meet the preset conditions, a first indication message is sent to the second node to which the second cell belongs, for indicating the second cell to deactivate the target state within the time indicated by the first indication message. The second cell deactivates the target state in response to the first indication cell sent by the first node to which the first cell belongs, and sends a third indication message to the first node to indicate that the second cell has successfully deactivated the target state. When the first cell determines that the second cell has deactivated the target state, it indicates the target terminal to access the second cell. Thus, when the load of the first cell increases and there are many first terminals, indicating the first terminals to switch to the second cell can avoid congestion of the first cell and improve the network coverage performance; when there are many second terminals, indicating the second terminals to switch to the second cell can improve the received signal strength of the second terminals and improve the network coverage performance.
[0234] It can be seen that the above mainly introduces the solution provided in the embodiment of this application from the perspective of the method. To implement the above functions, the embodiment of this application provides the corresponding hardware structure and / or software module for executing each function. Those skilled in the art should easily realize that, combining the modules and algorithm steps of each example described in the embodiments disclosed in this article, the embodiments of this application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed in the way of hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of the present invention.
[0235] The embodiments of the present application can divide the signal transmission control device into functional modules according to the above method examples. For example, each functional module can be divided corresponding to each function, or two or more functions can be integrated into one processing module. The above integrated module can be implemented in the form of hardware or in the form of a software functional module. Optionally, the division of modules in the embodiments of the present application is illustrative, only a logical function division, and there may be other division methods in actual implementation.
[0236] In some embodiments, the present application further provides a signal transmission control device. The signal transmission control device can include one or more functional modules for implementing the signal transmission control method of the above method embodiments.
[0237] For example, Figure 8 is a schematic diagram of the composition of a signal transmission control device provided by an embodiment of the present application. As Figure 8 shown, the signal transmission control device 700 includes: a communication module 701.
[0238] The communication module 701 is configured to send a first indication message to a second node to which a second cell belongs. The first indication message is used to indicate that the second cell deactivates the target state; wherein, the cell in the activated target state sends a common signal on demand, and the cell in the deactivated target state sends a common signal periodically; the first indication message includes at least one of the following: deactivation target state indication information; deactivation target state time information.
[0239] In some embodiments, the signal transmission control device 700 further includes: a determination module 702; the determination module 702 is configured to obtain a predicted number of target terminals; the target terminals are terminals located in a first area, and the first area is a signal coverage overlapping area of a first cell and a second cell; the communication module 701 is specifically configured to send the first indication message to the second node when a preset condition is met based on the predicted number of target terminals.
[0240] In some other embodiments, the determination module 702 is specifically configured to obtain the number of target terminals in each measurement period of at least one measurement period; and determine the predicted number of target terminals based on the number of target terminals in each measurement period of at least one measurement period.
[0241] In still some other embodiments, the determination module 702 is specifically configured to determine the predicted number of target terminals based on the number of target terminals in each measurement period of at least one measurement period and a number prediction model.
[0242] In still some other embodiments, the number prediction model includes any one of a time series prediction model and a neural network model.
[0243] In some other embodiments, the target terminal includes a first terminal and a second terminal; the first terminal is a terminal that accesses the first cell and is located in the first area; the second terminal is a terminal in the first terminal whose received signal strength of the first cell is less than a first preset threshold.
[0244] In some other embodiments, the determining module 702 is specifically configured to, for each measurement period in at least one measurement period, obtain the location information and measurement report of a third terminal that accesses the first cell during the measurement period; determine the number of first terminals during the measurement period based on the location information of the third terminal; and determine the number of second terminals during the measurement period based on the location information and measurement report of the third terminal.
[0245] In some other embodiments, the determining module 702 is specifically configured to determine, based on the location information of the third terminal, the third terminals in the third terminal that are located in the first area; and determine the number of the third terminals in the third terminal that are located in the first area as the number of first terminals during the measurement period.
[0246] In some other embodiments, the determining module 702 is specifically configured to determine, based on the measurement report of the third terminal, a fourth terminal, where the fourth terminal is a terminal whose received signal strength of the first cell is less than the first preset threshold; and determine the number of the fourth terminals in the fourth terminal that are located in the first area as the number of second terminals during the measurement period based on the location information of the fourth terminal.
[0247] In some other embodiments, the preset conditions include at least one of the following: the predicted number of first terminals is greater than a second preset threshold, and the load of the first cell is greater than a third preset threshold; the predicted number of second terminals is greater than a fourth preset threshold.
[0248] In some other embodiments, the deactivation target state time information includes at least one of the following: deactivation target state moment information, which is used to indicate the start moment of the deactivation target state of the second cell; deactivation target state duration information, which is used to indicate the duration of the deactivation target state of the second cell.
[0249] In some other embodiments, the predicted number of target terminals includes the predicted number of target terminals in each prediction period of at least one prediction period; the deactivation target state time information is determined based on the predicted number of target terminals in each prediction period of at least one prediction period.
[0250] In some other embodiments, the communication module 701 is further configured to, when it is determined that the second cell is in the deactivation target state, send a second indication message to the target terminal, where the second indication message is used to instruct the target terminal to access the second cell.
[0251] In some other embodiments, the communication module 701 is specifically configured to determine that the second cell is in the deactivated target state when receiving a third indication message sent by the second node, where the third indication message is used to indicate the successful deactivation of the target state of the second cell.
[0252] In some other embodiments, the communication module 701 is specifically configured to determine that the second cell is in the deactivated target state when receiving a third indication message sent by the second node within a preset time duration.
[0253] In some other embodiments, the third indication message includes at least one of the following: deactivation target state completion indication information; deactivation target state time information.
[0254] In some other embodiments, the second indication message includes at least one of the following: a target cell identifier for indicating the second cell; cell handover indication information for indicating that the target terminal accesses the cell indicated by the target cell identifier.
[0255] In some other embodiments, the cell handover indication information includes handover threshold information for indicating cell handover conditions.
[0256] In some other embodiments, the cell handover conditions include any one of the following: the received signal strength of the second cell is greater than the first handover threshold; the received signal strength of the second cell is greater than the received signal strength of the first cell, and the difference between the received signal strength of the second cell and the received signal strength of the first cell is greater than the second handover threshold.
[0257] In some embodiments, the present application further provides another signal transmission control device. The signal transmission control device may include one or more functional modules for implementing the signal transmission control method in the above method embodiments.
[0258] For example, Figure 9 is a schematic diagram of the composition of another signal transmission control device provided in the embodiments of the present application. As Figure 9 shown, the signal transmission control device 800 includes: a communication module 801 and a control module 802.
[0259] The communication module 801 is configured to receive a first indication message sent by a first node to which the first cell belongs; the first indication message is used to indicate the deactivation of the target state of the second cell; wherein, the cell in the activated target state sends a common signal on demand, and the cell in the deactivated target state sends a common signal periodically.
[0260] The control module 802 is configured to control the deactivation of the target state of the second cell in response to the first indication message.
[0261] In some embodiments, the communication module 801 is further configured to send a third indication message to the first node, where the third indication message is used to indicate that the deactivation of the target state of the second cell is successful.
[0262] In some other embodiments, the first indication message includes at least one of the following: deactivation target state indication information; deactivation target state time information.
[0263] In some further embodiments, the deactivation target state time information includes at least one of the following: deactivation target state moment information, which is used to indicate the start moment of the deactivation of the target state of the second cell; deactivation target state duration information, which is used to indicate the duration of the deactivation of the target state of the second cell.
[0264] In some further embodiments, the control module 802 is specifically configured to control the second cell to deactivate the target state at the moment indicated by the deactivation target state moment information; the duration of the deactivation of the target state of the second cell is the duration indicated by the deactivation target state duration information.
[0265] When the functions of the above integrated modules are implemented in the form of hardware, an exemplary structural diagram of the communication device involved in the above embodiments is provided in the embodiments of the present invention. As Figure 10 shown, the communication device 900 includes: a processor 902, a communication interface 903, and a bus 904. Optionally, the communication device 900 may further include a memory 901.
[0266] The processor 902 may be used to implement or execute various exemplary logical blocks, modules, and circuits described in connection with the disclosure of the present application. The processor 902 may be a central processing unit, a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field-programmable gate array, or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It may implement or execute various exemplary logical blocks, modules, and circuits described in connection with the disclosure of the present application. The processor 902 may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, etc.
[0267] The communication interface 903 is used to connect to other devices through a communication network. The communication network may be an Ethernet, a radio access network, a wireless local area network (WLAN), etc.
[0268] The memory 901 can be a read-only memory (ROM) or other types of static storage devices that can store static information and instructions, a random access memory (RAM) or other types of dynamic storage devices that can store information and instructions, or can also be an electrically erasable programmable read-only memory (EEPROM), a magnetic disk storage medium, or other magnetic storage devices, or any other medium that can be used to carry or store the desired program code in the form of instructions or data structures and can be accessed by a computer, but is not limited thereto.
[0269] As a possible implementation, the memory 901 can exist independently of the processor 902. The memory 901 can be connected to the processor 902 through the bus 904 for storing instructions or program code. When the processor 902 calls and executes the instructions or program code stored in the memory 901, the signal transmission control method provided by the embodiments of the present invention can be implemented.
[0270] In still other embodiments, the memory 901 can also be integrated with the processor 902.
[0271] The bus 904 can be an extended industry standard architecture (EISA) bus, etc. The bus 904 can be divided into an address bus, a data bus, a control bus, etc. For the sake of convenience of representation, Figure 10 only a thick line is used to represent it in the figure, but it does not mean that there is only one bus or one type of bus.
[0272] Through the description of the above embodiments, those skilled in the art can clearly understand that for the convenience and simplicity of description, only the above division of each functional module is used as an example. In actual applications, the above functions can be allocated to different functional modules as needed, that is, the internal structure of the service call device is divided into different functional modules to complete all or part of the functions described above.
[0273] The embodiments of the present application also provide a computer-readable storage medium. All or part of the processes in the above method embodiments can be completed by computer instructions instructing relevant hardware. The program can be stored in the above computer-readable storage medium. When the program is executed, it can include the processes of the above method embodiments. The computer-readable storage medium can be the memory in any of the foregoing embodiments. The above computer-readable storage medium can also be an external storage device of the above service call device, such as a plug-in hard disk equipped on the above service call device, a smart media card (SMC), a secure digital (SD) card, a flash card, etc. Further, the above computer-readable storage medium can also include both the internal storage unit of the above service call device and the external storage device. The above computer-readable storage medium is used to store the above computer program and other programs and data required by the above service call device. The above computer-readable storage medium can also be used to temporarily store the data that has been output or will be output.
[0274] The embodiments of the present application also provide a computer program product. The computer product includes a computer program. When the computer program product runs on a computer, it causes the computer to execute any one of the signal transmission control methods provided in the above embodiments.
[0275] The above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions within the technical scope disclosed in the present application should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A signal transmission control method, characterized in that: Applied to a first node to which a first cell belongs, the method includes: A first indication message is sent to a second node to which a second cell belongs, where the first indication message is used to instruct the second cell to deactivate a target state; wherein the cell in the target state is activated to send a common signal on demand, and the cell in the target state is deactivated to periodically send a common signal; and the first indication message includes at least one of the following: Deactivating target status indication information; Deactivate target status time information.
2. The method according to claim 1, characterized in that The sending the first indication message to the second node includes: Acquire a predicted number of target terminals; the target terminals are terminals located in a first area, and the first area is an overlapping area of signal coverage of the first cell and the second cell; Based on the predicted number of the target terminals, and when a preset condition is met, the first indication message is sent to the second node.
3. The method according to claim 2, characterized in that The obtaining the predicted number of target terminals includes: Acquire the number of the target terminals in each measurement cycle in at least one measurement cycle; Based on the number of the target terminals in each measurement period in the at least one measurement period, a predicted number of the target terminals is determined.
4. The method according to claim 3, characterized in that: The determining, based on the number of the target terminals in each measurement period in the at least one measurement period, the predicted number of the target terminals comprises: Based on the number of the target terminals in each measurement period in the at least one measurement period and a number prediction model, a predicted number of the target terminals is determined.
5. The method according to claim 4, characterized in that The quantity prediction model includes any one of a time series prediction model and a neural network model.
6. The method according to claim 3, characterized in that The target terminal includes a first terminal and a second terminal; the first terminal is a terminal accessing the first cell and located in the first area; the second terminal is a terminal among the first terminals whose received signal strength of the first cell is less than a first preset threshold.
7. The method according to claim 6, characterized in that The acquiring the number of the target terminals in each measurement period in the at least one measurement period includes: For each measurement cycle in the at least one measurement cycle, obtaining location information and a measurement report of a third terminal accessing the first cell in the measurement cycle; Determining the number of the first terminals in the measurement period based on the location information of the third terminal; Based on the location information of the third terminal and the measurement report, determine the number of the second terminals in the measurement period.
8. The method according to claim 7, characterized in that The determining, based on the location information of the third terminal, the number of the first terminal in the measurement period includes: Determining, based on the location information of the third terminals, a third terminal located in the first area among the third terminals; The number of third terminals located in the first area among the third terminals is determined as the number of the first terminals in the measurement period.
9. The method according to claim 7, characterized in that: The determining, based on the location information of the third terminal and the measurement report, the number of the second terminals in the measurement period includes: Determine a fourth terminal based on the measurement report of the third terminal, where the fourth terminal is a terminal whose received signal strength of the first cell is less than a first preset threshold; Based on the location information of the fourth terminals, the number of the fourth terminals located in the first area among the fourth terminals is determined as the number of the second terminals in the measurement period.
10. The method according to claim 6, characterized in that The preset condition includes at least one of the following: The predicted number of the first terminal is greater than a second preset threshold, and the load of the first cell is greater than a third preset threshold; The predicted number of the second terminals is greater than a fourth preset threshold.
11. The method according to claim 1, characterized in that: The target state deactivation time information includes at least one of the following: deactivation target state time information, where the deactivation target state time information is used to indicate a start time for the second cell to deactivate the target state; The target state deactivation duration information is used to indicate the duration of deactivation of the target state by the second cell.
12. The method according to claim 2, characterized in that: The predicted number of target terminals includes the predicted number of target terminals in each prediction period in at least one prediction period; and the deactivation target state time information is determined based on the predicted number of target terminals in each prediction period in the at least one prediction period.
13. The method according to claim 1, characterized in that The method further comprises: In case it is determined that the second cell is in the target deactivated state, a second indication message is sent to the target terminal, where the second indication message is used to instruct the target terminal to access the second cell.
14. The method according to claim 13, characterized in that The determining that the second cell is in the target deactivation state includes: When the third indication message sent by the second node is received, it is determined that the second cell is in the deactivated target state, and the third indication message is used to indicate that the second cell has successfully deactivated the target state.
15. The method according to claim 14, characterized in that The determining, when receiving the third indication message sent by the second node, that the second cell is in the target deactivation state includes: When the third indication message sent by the second node is received within the preset time period, it is determined that the second cell is in the target deactivation state.
16. The method according to claim 14, characterized in that The third indication message includes at least one of the following: Deactivating target state completion indication information; The deactivation target state time information.
17. The method according to claim 13, characterized in that The second indication message includes at least one of the following: a target cell identifier, where the target cell identifier is used to indicate the second cell; The cell switching indication information is used to instruct the target terminal to access the cell indicated by the target cell identifier.
18. The method according to claim 17, characterized in that The cell switching indication information includes switching threshold information, and the switching threshold information is used to indicate a cell switching condition.
19. The method according to claim 18, characterized in that The cell switching condition includes any one of the following: The received signal strength of the second cell is greater than a first switching threshold; The received signal strength of the second cell is greater than the received signal strength of the first cell, and a difference between the received signal strength of the second cell and the received signal strength of the first cell is greater than a second switching threshold.
20. A signal transmission control method, characterized in that: Applied to a second node to which a second cell belongs; the method comprises: Receiving a first indication message sent by a first node to which a first cell belongs; the first indication message is used to instruct the second cell to deactivate a target state; wherein the cell in the target state is activated to send a common signal on demand, and the cell in the target state is deactivated to send a common signal periodically; In response to the first indication message, controlling the second cell to deactivate the target state.
21. The method according to claim 20, characterized in that The method further comprises: A third indication message is sent to the first node, where the third indication message is used to indicate that the second cell has successfully deactivated the target state.
22. The method according to claim 20, characterized in that The first indication message includes at least one of the following: Deactivating target status indication information; Deactivate target status time information.
23. The method according to claim 22, characterized in that The target state deactivation time information includes at least one of the following: deactivation target state time information, where the deactivation target state time information is used to indicate a start time for the second cell to deactivate the target state; The target state deactivation duration information is used to indicate the duration of deactivation of the target state by the second cell.
24. The method according to claim 23, characterized in that The controlling the second cell to deactivate the target state includes: Control the second cell to deactivate the target state at the time indicated by the target state deactivation time information; the duration of the second cell deactivating the target state is the duration indicated by the target state deactivation duration information.
25. A communication device, characterized in that: It includes a processor and a memory, the processor is coupled to the memory; the memory is used to store computer instructions, and the computer instructions are loaded and executed by the processor so that the computer implements the signal transmission control method as described in any one of claims 1 to 19, or the signal transmission control method as described in any one of claims 20 to 24.
26. A computer-readable storage medium, characterized in that: The computer-readable storage medium includes computer-executable instructions, and when the computer-executable instructions are executed on a computer, the computer executes the signal transmission control method according to any one of claims 1 to 19, or the signal transmission control method according to any one of claims 20 to 24.
27. A computer program product, characterized in that The computer program product includes a computer program, and when the computer program is run on a computer, the computer is caused to execute the signal transmission control method according to any one of claims 1 to 19, or the signal transmission control method according to any one of claims 20 to 24.