WO2022111113A1 - 频点切换方法、终端、基站和存储介质 - Google Patents

频点切换方法、终端、基站和存储介质 Download PDF

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Publication number
WO2022111113A1
WO2022111113A1 PCT/CN2021/123863 CN2021123863W WO2022111113A1 WO 2022111113 A1 WO2022111113 A1 WO 2022111113A1 CN 2021123863 W CN2021123863 W CN 2021123863W WO 2022111113 A1 WO2022111113 A1 WO 2022111113A1
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Prior art keywords
slice
terminal
application
target
priority
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PCT/CN2021/123863
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English (en)
French (fr)
Inventor
李芳�
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中兴通讯股份有限公司
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Publication of WO2022111113A1 publication Critical patent/WO2022111113A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/20—Performing reselection for specific purposes for optimising the interference level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00837—Determination of triggering parameters for hand-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a frequency switching method, a terminal, a base station and a storage medium.
  • the terminal can support the establishment of multiple sliced Packet Data Unit (PDU) sessions at the same time, but the terminal can only be registered on one frequency point at the same time.
  • PDU Packet Data Unit
  • the terminal will randomly select a signal Register on a frequency with better quality. If the currently registered frequency of the terminal does not support the application slicing service that the user is using or does not support the application slicing service that the user wants to protect first, the user cannot enjoy the corresponding slicing service. Greatly reduces the user experience.
  • Embodiments of the present application provide a frequency point switching method, an electronic device, and a storage medium.
  • an embodiment of the present application provides a frequency switching method, which is applied to a terminal.
  • the method includes: receiving application priority information of a user, where the application priority information includes at least one application and a priority of the application. obtain the slice identifier corresponding to the application, and determine the priority of the slice identifier according to the priority of the application; send slice priority information to the base station, where the slice priority information includes the slice identifier and the The priority of the slice identifier; receiving the target frequency switching instruction sent by the base station according to the slice priority information; switching from the currently resident source frequency to the target frequency according to the target frequency switching instruction.
  • an embodiment of the present application provides a frequency point switching method, which is applied to a base station.
  • the method includes: receiving slice priority information sent by a terminal, where the slice priority information includes a slice identifier and an identifier of the slice identifier. priority; according to the slice priority information, determine the target slice identifier corresponding to the first priority; when it is determined that the source frequency point where the terminal currently resides does not support the slice service corresponding to the target slice identifier, it is determined to support the The target frequency point identified by the target slice; sending a target frequency point switching instruction to the terminal, so that the terminal switches from the source frequency point to the target frequency point according to the target frequency point switching instruction.
  • an embodiment of the present application provides a terminal, where the terminal includes a memory, a processor, and a computer program stored in the memory and running on the processor, when the processor executes the computer program The steps of implementing the frequency point switching method according to the first aspect.
  • an embodiment of the present application provides a base station, where the base station includes a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor executes the computer
  • the steps of the frequency point switching method according to the second aspect are implemented in the program.
  • embodiments of the present application provide a storage medium for computer-readable storage, where the storage medium stores one or more computer-executable instructions, and the one or more computer-executable instructions can be stored by a Or multiple processors execute to implement the steps of the frequency point switching method as described above.
  • FIG. 1 is a schematic flowchart of a frequency point switching method provided by an embodiment of the present application
  • FIG. 2 is a schematic flowchart of a frequency point switching method provided by another embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a frequency switching method provided by another embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a frequency point switching method provided by an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a frequency point switching method provided by another embodiment of the present application.
  • FIG. 6 is a schematic flowchart of a frequency point switching method provided by another embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a terminal provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a base station provided by an embodiment of the present application.
  • a, b, and c may represent: a, b, c, a and b, a and c, b and c or a and b and c, where a, b, c may be single, or Can be multiple.
  • the same-frequency cell can generally support the same type of network slicing service, and the inter-frequency cell can support another type of network slicing service.
  • one frequency point cannot satisfy all types of slicing services.
  • the network will inevitably deploy two or more frequency points to meet the actual needs of different services.
  • the 5G base station in the area where the current user is located supports two frequency points or more.
  • each frequency point supports different types of slice services, such as NR-Arfcn 1 supports The slice identifier (S-NSSAI-1) corresponding to application 1 (APP1), NR-Arfcn 2 supports S-NSSAI-2 (APP2), NR-Arfcn 3 supports S-NSSAI-3 (APP3), etc.
  • S-NSSAI-1 corresponding to application 1
  • NR-Arfcn 2 supports S-NSSAI-2 (APP2)
  • NR-Arfcn 3 supports S-NSSAI-3 (APP3), etc.
  • the terminal can support the establishment of PDU sessions of 8 slices at the same time (8 kinds of application services), but since the terminal cannot know the type of slice service supported by a certain frequency point, it will randomly register to a certain frequency point when it is powered on and registered.
  • the terminal can only register on one frequency point at the same time.
  • the frequency point registered by the terminal does not support the application slicing service that the user wants to start, the user cannot enjoy the slicing service when using the application service.
  • the following describes the user's use of the slicing service in specific scenarios.
  • scenario 1 the terminal (UE1) held by the user is powered on and randomly registers on frequency point 1 (assuming NR-Arfcn 1), frequency point 1 (NR-Arfcn 1) can only support the slice service of APP1, frequency point 2 (Assumed to be NR-Arfcn 2) The slicing service of APP2 is supported. If the user wants to use the slicing service of APP2, since the frequency point registered by UE1 is NR-Arfcn 1, NR-Arfcn 1 cannot support the slicing service of APP2. Therefore, UE1 cannot enjoy the slice service of APP2.
  • the embodiments of the present application provide a frequency switching method, an electronic device and a storage medium, which meet the differentiated needs of different users, and can ensure that the terminal is registered on the frequency that supports the slicing service preferred by the user. Improved user experience.
  • FIG. 1 shows a flowchart of a frequency point switching method provided by an embodiment of the present application, and the method is applied to a terminal. As shown in Figure 1, the method may include the following steps:
  • S110 Receive application priority information of the user, where the application priority information includes at least one application and a priority of the application.
  • the user sets application priority information on the terminal, and the application priority information includes the application and the priority of the application.
  • the terminal receives the application priority information set by the user, and the received application priority information includes at least one application and the priority of the application. For the content of the application priority information, see Table 1 below.
  • the user can add applications on the terminal and set the priority of the application, edit the priority of the application that has been added, and delete the priority of the application that no longer needs to be set.
  • the user sets the priority of the application on the terminal.
  • the human-computer interaction interface provided by the terminal in the embodiment of the present application has a simple operation interface.
  • the user interface adds an application priority adding interface, and the user can add, delete, and edit an application. , and add a priority to each application, so that ordinary users can operate more intuitively and easily, and improve the user experience.
  • S120 Acquire the slice identifier corresponding to the application, and determine the priority of the slice identifier according to the priority of the application.
  • the terminal after receiving the application priority information set by the user, the terminal obtains the slice identifier corresponding to each application in the application priority information, and each application has a corresponding slice identifier.
  • the priority of each slice identifier is further determined, so that the priority of the slice identifier is encapsulated into slice priority information and sent to the base station in a subsequent step.
  • the priority of the application, the priority of the application, the slice identifier, and the priority of the slice identifier are in a one-to-one correspondence, and the priority of the application with the mapping relationship is equal to the priority of the slice.
  • the slice identifier may be a single network slice selection assistance information (Single Network Slice Selection Assistance Information, S-NSSAI), and the S-NSSAI is used to identify the corresponding network slice that provides slice services for each application.
  • S-NSSAI Single Network Slice Selection Assistance Information
  • Table 2 For the applications and slice identifiers corresponding to each priority, see Table 2 below.
  • S130 Send slice priority information to the base station, where the slice priority information includes a slice identifier and a priority of the slice identifier.
  • the terminal sends slice priority information to the base station through an air interface command, and the slice priority information at least includes a slice identifier and a priority of the slice identifier, for example: ⁇ (S-NSSAI-1, priority 1); (S- NSSAI-2, priority 2); (S-NSSAI-3, priority 3) ⁇ .
  • the priority of each slice determined according to the application priority information set by the user can be acquired through the slice priority information.
  • the slice priority information may also include a terminal identifier and an application identifier corresponding to each slice priority, for example: ⁇ UE1, (APP1, S-NSSAI-1, priority 1); (APP2, S-NSSAI- 2, priority 2); (APP3, S-NSSAI-3, priority 3) ⁇ .
  • the specific form of the slice priority information is not limited too much in this embodiment of the present application.
  • S140 Receive a target frequency switching instruction sent by the base station according to the slice priority information.
  • the base station when the terminal sends the slice priority information to the base station, and receives the target frequency switching instruction sent by the base station according to the slice priority information, the base station can determine the target frequency that the terminal currently needs to switch to according to the slice priority information sent by the terminal. A target frequency switching instruction is sent to the terminal, and the terminal receives the target frequency switching instruction to trigger the frequency switching process.
  • the terminal sends slice priority information to the base station, and receives a corresponding target frequency instruction from the base station, where the target frequency instruction is to instruct the terminal to switch to the frequency corresponding to the slice service of the first priority,
  • the terminal performs the terminal frequency switching process according to the target frequency switching instruction, and switches from the currently resident source frequency to the target frequency, where the target frequency supports the slicing service of the application of the first priority.
  • the terminal After the terminal is powered on, according to the normal access procedure of the communication protocol, it randomly selects a frequency point (that is, the source frequency point) that meets the residency conditions, and completes the initial 5G power-on registration.
  • the user terminal (UE) sends the URSP ( The UE routing strategy) is stored locally, and the service data transmission service is realized through the PDU connection service.
  • the PDU connection service is the service of exchanging PDU data packets between the UE and the data network DN.
  • the PDU connection service initiates PDUs through the UE or the application server AF. Session establishment to achieve.
  • a PDU session refers to a process of communication between a UE and a DN.
  • a data transmission channel between the UE and the DN is established, which can realize the transmission service of business data.
  • the terminal receives the target frequency switching instruction from the base station, it switches to the target frequency according to the target frequency switching instruction, and can enjoy the corresponding application slice service on the target frequency.
  • the following steps may also be included:
  • S210 Acquire a state flag of each application, where the state flag is used to indicate the running state of the application, and the running state of the application includes a start state or a stop state.
  • the terminal receives the application priority information set by the user, stores the application priority information, and then determines the running state of each application.
  • the running state includes a start state or a stop state, and the start state may be when the user Start the application for the first time or wake up the application to enter the use state, and the stop state can be the user actively closing the application or the application state that is not used for a long time.
  • the application of the priority added by the user in step S110 is monitored, the information of whether the application is started is stored, and it is determined whether the application has been started.
  • a status flag of each application may be set according to the running status of each application, and the status flag is used to indicate the running status of the application. Identify applications in the startup state by obtaining the status flags of each application.
  • the priority information of each application is stored, and a state flag of each application is set according to the running state of each application, and the state flag is used to indicate the running state of the application , the running state is the start state or the stop state, and the information about whether the application is started or not is stored.
  • the priorities and the applications, slice identifiers, and application status flags corresponding to the priorities can be referred to as shown in Table 3 below.
  • S220 Encapsulate the slice identifier and the priority of the slice identifier corresponding to the application in the activated state into the slice priority information.
  • the status flag of each application is obtained, and the status flag is used to monitor whether the application with added priority is started.
  • the startup information of the application is updated or the application priority information set by the user is updated, all started applications are updated.
  • the corresponding priority information is sent to the base station.
  • the slice priority information When it is monitored that an application switches from the activated state to the stopped state, indicating that the application has stopped running, it is necessary to send the slice priority information to the base station again, remove the information corresponding to the application in the stopped state, and update the slice priority information so that the The slicing service provided by the terminal to the user is more accurate.
  • the following information is encapsulated into the slice priority information sent to the base station: ⁇ UE1, (APP1, S-NSSAI-1, priority 1); (APP3, S-NSSAI -3, priority 3) ⁇ .
  • the following steps may be further included:
  • S310 Receive a target frequency signal measurement request sent by the base station.
  • the terminal sends slice priority information to the base station, and the slice priority information includes the slice identifier and the priority of the slice identifier.
  • the base station determines, according to the slice priority information sent by the terminal, that the frequency on which the terminal currently resides is not supported After the slice service corresponding to the first priority, it is necessary to search for a target frequency point supporting the slice service corresponding to the first priority, and then send a target frequency switching instruction to the terminal.
  • the base station Before sending the target frequency switching instruction to the terminal, the base station needs to obtain the signal quality of the target frequency, so as to determine whether the target frequency satisfies the switching condition according to the signal quality. Therefore, before sending the target frequency switching instruction to the terminal, the base station first sends the target frequency signal measurement request to the terminal. After receiving the target frequency signal measurement request sent by the base station, the terminal measures the target frequency signal, and sends the measurement result to the base station, so that the base station can judge whether the frequency switching condition is met according to the measurement result.
  • S320 measure the signal strength of the target frequency point according to the signal measurement request of the target frequency point, and obtain an indication value of the signal strength of the target frequency point.
  • the terminal measures the signal strength of the target frequency point according to the target frequency point signal measurement request from the base station to obtain the target frequency point signal indication value, where the target frequency point signal indication value is used to indicate the signal of the target frequency point quality.
  • the terminal measures the signal strength of the target frequency point, and after obtaining the signal strength indicator value of the target frequency point, feeds back the signal strength indicator value of the target frequency point to the base station.
  • the terminal receives the target frequency switching instruction from the base station and switches to the target frequency.
  • the terminal receives the application priority information set by the user, obtains the slice identifier corresponding to the application, determines the priority of the slice identifier corresponding to the application according to the application priority, and then sends the slice priority information to the base station. , Receive the target frequency switching instruction sent by the base station according to the slice priority information, so that the terminal can adaptively switch to the frequency point that can support the slice service of the highest priority application, meet the personalized needs of the user, and greatly improve the user experience.
  • FIG. 1 describes the present application from the terminal side.
  • the following describes the present application from the base station side with reference to FIG. 4 .
  • the terminal side and the base station side correspond to each other.
  • FIG. 4 shows a flowchart of a frequency point switching method provided by an embodiment of the present application, where the method is applied to a base station. As shown in Figure 4, the method may include the following steps:
  • S410 Receive slice priority information sent by the terminal, where the slice priority information includes a slice identifier and a priority of the slice identifier.
  • the base station receives slice priority information from the terminal, where the slice priority information includes the slice identifier and the priority of the slice identifier, and can feed back a receiving instruction to the terminal, where the receiving instruction indicates that the slice priority sent by the terminal has been received information.
  • the base station may store the received slice priority information locally.
  • the base station stores the priority application message of each user terminal (UE) locally, and establishes a correspondence between the UE, the application, the slice identifier, and the priority of the slice identifier. According to the slice identifier and the priority of the slice identifier, the target slice identifier corresponding to the highest priority (ie, the first priority) set by the user is determined.
  • the slice identifier is S-NSSAI
  • the S-NSSAI is used to identify network slices corresponding to providing slice services for each application.
  • the target slice identifier corresponding to the first priority set by the user has a corresponding slice service.
  • the frequency point where the terminal currently resides does not support the slice service corresponding to the target slice identifier, it is necessary to determine the support corresponding to the target slice identifier. target frequency point, and send the target frequency point switching instruction to the terminal.
  • the NSSAI corresponding to each cell frequency point may be stored locally in the base station.
  • the base station can obtain the first NSSAI corresponding to the frequency point where the terminal currently resides in the locally stored NSSAI; search for the target S-NSSAI in the first NSSAI; when the first NSSAI does not contain the target S-NSSAI, it can determine that the terminal is currently camped on.
  • the reserved frequency points do not support the slice service corresponding to the target S-NSSAI.
  • the base station When it is determined that the frequency where the terminal currently resides does not support the slice service corresponding to the target S-NSSAI, the base station obtains the second NSSAI corresponding to the frequency of the adjacent cell.
  • the frequency corresponding to the second NSSAI of the NSSAI is determined as the target frequency.
  • the base station determines that the frequency where the terminal currently resides does not support the slice service corresponding to the first priority, and sends a target frequency switching instruction to the terminal, so that the terminal switches to the target frequency according to the frequency switching instruction.
  • step S440 before sending the target frequency switching instruction to the terminal, as shown in FIG. 5, the following steps may also be included:
  • the base station when the base station detects that the terminal does not camp on a cell frequency matching the network slice of the first priority, it sends a target frequency signal measurement request to the terminal, instructing the terminal to measure the target frequency signal.
  • S520 Receive the signal strength indication value of the target frequency point replied by the terminal according to the signal measurement request of the target frequency point.
  • the terminal receives a target frequency signal measurement request from the base station to measure the target frequency signal, the base station receives the target frequency signal strength indication value returned by the terminal, and determines whether the current environment is based on the target frequency signal strength indication value.
  • the handover threshold condition is met.
  • the base station when the signal strength indication value of the target frequency is greater than the preset signal strength threshold, the base station sends a target frequency switching instruction to the terminal, instructing the terminal to switch to the target frequency corresponding to the application service with higher priority.
  • the base station determines, according to the slice priority information sent by the terminal, that the frequency where the terminal currently resides does not support the slice service corresponding to the first priority, it searches for a target frequency that supports the slice service corresponding to the first priority.
  • the terminal can be adaptively switched to the frequency point that matches the network slice corresponding to the highest priority application, so as to satisfy the user's personalization. requirements, greatly improving the user experience.
  • the following describes the frequency switching method provided by the embodiments of the present application in conjunction with the interaction flow chart of the frequency switching method shown in FIG. 6 .
  • the method involves the terminal side and the base station side, and specifically includes: Follow the steps below:
  • the terminal performs a normal access process according to the protocol after booting, and randomly selects a frequency point (assuming NR-arfcn 1) that satisfies the camping condition to camp on;
  • the terminal determines slice priority information according to the application priority information set by the user on the terminal;
  • the terminal sends the slice priority information to the base station
  • the base station detects, according to the slice priority information, that the terminal does not reside in the target frequency point corresponding to the slice identifier of the first priority (assuming NR-arfcn 2), and sends the target frequency point signal measurement request to the terminal;
  • the terminal measures the signal strength of the target frequency point according to the signal measurement request of the target frequency point, and obtains an indication value of the signal strength of the target frequency point;
  • the terminal replies the signal strength indicator value of the target frequency point to the base station;
  • the terminal switches from the source frequency (NR-arfcn 1) to the target frequency (NR-arfcn2) according to the target frequency switching instruction.
  • the terminal involved in the embodiments of the present application includes a handheld device, a vehicle-mounted device, a wearable device, or a computing device with a wireless communication function.
  • the terminal may be a mobile phone, a tablet computer, or a computer with wireless transceiver capabilities.
  • the terminal may also be a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in unmanned driving, a wireless terminal in telemedicine, Wireless terminals in smart grids, wireless terminals in smart cities, wireless terminals in smart homes, and so on.
  • VR virtual reality
  • AR augmented reality
  • an embodiment of the present application further provides a terminal, including: a memory, a processor, and a computer program stored in the memory and running on the processor.
  • the processor and memory may be connected by a bus or otherwise.
  • the memory can be used to store non-transitory software programs and non-transitory computer-executable programs.
  • the memory may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device.
  • the memory may include memory located remotely from the processor, which may be connected to the processor through a network. Examples of such networks include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
  • the non-transitory software programs and instructions required to implement the frequency switching method of the above-mentioned embodiment are stored in the memory, and when executed by the processor, the frequency switching method in the above-mentioned embodiment is executed, for example, the implementation of FIG. 1 to FIG. 3 steps in any of the illustrated embodiments.
  • an embodiment of the present application further provides a base station, including: a memory, a processor, and a computer program stored in the memory and running on the processor.
  • the processor and memory may be connected by a bus or otherwise.
  • the memory can be used to store non-transitory software programs and non-transitory computer-executable programs.
  • the memory may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device.
  • the memory may include memory located remotely from the processor, which may be connected to the processor through a network. Examples of such networks include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
  • the non-transitory software programs and instructions required to implement the frequency switching method of the above-mentioned embodiment are stored in the memory, and when executed by the processor, the frequency switching method in the above-mentioned embodiment is executed, for example, the execution of FIG. 4 to FIG. 5 steps in any of the illustrated embodiments.
  • an embodiment of the present application also provides a computer-readable storage medium, where the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are executed by a processor or controller, for example, by the above-mentioned Executed by a processor in the terminal embodiment, the above-mentioned processor can execute the frequency point switching method in the above-mentioned embodiment, for example, perform the steps in any of the above-described embodiments shown in FIG. 1 to FIG. 3 .
  • the above-mentioned processor can execute the frequency point switching method in the above-mentioned embodiment, for example, perform the steps in any of the above-described embodiments shown in FIG. 4 to FIG. 5 . .
  • the embodiment of the present application includes: receiving application priority information of a user, where the application priority information includes at least one application and the priority of the application; acquiring a slice identifier corresponding to the application, and determining according to the priority of the application the priority of the slice identifier; send slice priority information to the base station, where the slice priority information includes the slice identifier and the priority of the slice identifier; receive the target sent by the base station according to the slice priority information Frequency switching instruction; switching from the currently resident source frequency to the target frequency according to the target frequency switching instruction.
  • the solution of the embodiment of the present application realizes that according to the application priority information set by the user, the terminal adaptively switches to the frequency point matching the network slice corresponding to the application of the first priority, so as to meet the personalized needs of the user and greatly improve the user experience.
  • Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cartridges, magnetic tape, magnetic disk storage or other magnetic storage devices, or may Any other medium used to store desired information and which can be accessed by a computer.
  • communication media typically embodies computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and can include any information delivery media, as is well known to those of ordinary skill in the art .
  • Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cartridges, magnetic tape, magnetic disk storage or other magnetic storage devices, or may Any other medium used to store desired information and which can be accessed by a computer.
  • communication media typically include computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and can include any information delivery media, as is well known to those of ordinary skill in the art .

Abstract

一种频点切换方法、终端、基站和存储介质，所述方法包括：接收用户的应用优先级信息，所述应用优先级信息包括至少一个应用和所述应用的优先级(S110)；获取所述应用对应的切片标识，并根据所述应用的优先级确定所述切片标识的优先级(S120)；向基站发送切片优先级信息，所述切片优先级信息包括所述切片标识和所述切片标识的优先级(S130)；接收所述基站根据所述切片优先级信息发送的目标频点切换指令(S140)；根据所述目标频点切换指令从当前驻留的源频点切换至目标频点(S150)。

Description

频点切换方法、终端、基站和存储介质
相关申请的交叉引用
本申请基于申请号为202011374245.2、申请日为2020年11月30日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本申请涉及通信技术领域，具体涉及频点切换方法、终端、基站和存储介质。
背景技术
随着5G技术的进一步成熟和5G网络的大面积普及，与5G的产业融合会随之进一步升级，购买切片业务的应用会越来越多，涵盖5G的三大典型应用：eMBB(大流量移动宽带业务)，mMTC(大规模海量物联)，URLLC(无人驾驶，工业网自动化等业务)，按照当前5G网络部署切片的场景下，不同频点可以部署不同的切片类型，同一个频点上支持的切片类型是相同的。那么一个频点必然不能满足所有的切片业务类型，网络必然会部署2个甚至更多的频点来满足不同业务的实际需要。
现在终端可以同时支持多个切片的分组数据单元(Packet Data Unit，PDU)会话的建立，但是终端同一时间只能注册在一个频点上，当前5G终端在搜网的时候，会随机选择一个信号质量较优的频点上进行注册，若终端当前注册的频点不支持用户正在使用的应用切片业务或不支持用户想要优先保障的应用切片业务，则用户不能享受对应的切片业务，如此将大大降低用户体验。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本申请实施例提供了一种频点切换方法、电子设备和存储介质。
第一方面，本申请实施例提供了一种频点切换方法，应用于终端，所述方法包括：接收用户的应用优先级信息，所述应用优先级信息包括至少一个应用和所述应用的优先级；获取所述应用对应的切片标识，并根据所述应用的优先级确定所述切片标识的优先级；向基站发送切片优先级信息，所述切片优先级信息包括所述切片标识和所述切片标识的优先级；接收所述基站根据所述切片优先级信息发送的目标频点切换指令；根据所述目标频点切换指令从当前驻留的源频点切换至目标频点。
第二方面，本申请实施例提供了一种频点切换方法，应用于基站，所述方法包括：接收终端发送的切片优先级信息，所述切片优先级信息包括切片标识和所述切片标识的优先级；根据所述切片优先级信息，确定第一优先级对应的目标切片标识；当确定所述终端当前驻留的源频点不支持所述目标切片标识对应的切片业务，确定支持所述目标切片标识的目标频点；向所述终端发送目标频点切换指令，以使所述终端根据所述目标频点切换指令从所述源频点切换至所述目标频点。
第三方面，本申请实施例提供了一种终端，终端包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述处理器执行所述计算机程序时实现如第一方面所述的频点切换方法的步骤。
第四方面，本申请实施例提供了一种基站，所述基站包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述处理器执行所述计算机程序时实现如第二方面所述的频点切换方法的步骤。
第五方面，本申请实施例提供了一种存储介质，用于计算机可读存储，所述存储介质存储有一个或者多个计算机可执行指令，所述一个或者多个计算机可执行指令可被一个或者多个处理器执行，以实现如上所述的频点切换方法的步骤。
本申请的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本申请而了解。本申请的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构来实现和获得。
附图说明
附图用来提供对本申请技术方案的进一步理解，并且构成说明书的一部分，与本申请的实施例一起用于解释本申请的技术方案，并不构成对本申请技术方案的限制。
图1是本申请一实施例提供的一种频点切换方法的流程示意图；
图2是本申请另一实施例提供的一种频点切换方法的流程示意图；
图3是本申请另一实施例提供的一种频点切换方法的流程示意图；
图4是本申请一实施例提供的一种频点切换方法的流程示意图；
图5是本申请另一实施例提供的一种频点切换方法的流程示意图；
图6是本申请另一实施例提供的一种频点切换方法的流程示意图；
图7是本申请实施例提供的一种终端的结构示意图；
图8是本申请实施例提供的一种基站的结构示意图。
具体实施方式
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本申请，并不用于限定本申请。
应了解，在本申请实施例的描述中，如果有描述到“第一”、“第二”等只是用于区分技术特征为目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量或者隐含指明所指示的技术特征的先后关系。“至少一个”是指一个或者多个，“多个”是指两个或两个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示单独存在A、同时存在A和B、单独存在B的情况。其中A，B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。“以下至少一项”及其类似表达，是指的这些项中的任意组合，包括单项或复数项的任意组合。例如，a，b和c中的至少一项可以表示：a，b，c，a和b，a和c，b和c或a和b和c，其中a，b，c可以是单个，也可以是多个。
此外，下面所描述的本申请各个实施方式中所涉及到的技术特征只要彼此之间未构成冲突就可以相互组合。
为了便于理解，首先对当前5G网络部署切片的场景作一介绍。
按照当前的5G网络部署，一般同频小区可以支持相同类型的网络切片业务，异频小区支持另外一类型的网络切片业务。而一个频点必然不能满足所有的切片业务类型，网络必然会部署两个甚至更多的频点来满足不同业务的实际需要，当前用户所在区域的5G基站，支持两个频点或者更多，如频点1(NR-Arfcn 1),频点2(NR-Arfcn2)，频点3(NR-Arfcn 3)...，每个频点支持不同类型的切片业务，如NR-Arfcn 1支持应用1(APP1)对应的切片标识(S-NSSAI-1)，NR-Arfcn 2支持S-NSSAI-2(APP2)，NR-Arfcn 3支持S-NSSAI-3(APP3)等。现在终端可以同时支持8个切片的PDU session建立(8种应用服务)，但由于终端无法知道某个频点所支持的切片业务类型，故在开机注册的时候，会随机注册到某一个频点上，而终端在同一时间只能注册在一个频点上。当终端注册的频点并不支持用户所要启动的应用切片业务，用户在使用该应用业务的时候，就无法享受切片业务，以下就用户在具体场景下使用切片业务作一阐述。
在场景一中：用户持有的终端(UE1)开机随机注册在频点1(假设为NR-Arfcn 1)上，频点1(NR-Arfcn 1)只能支持APP1的切片业务，频点2(假设为NR-Arfcn 2)支持APP2的切片业务，若用户想使用APP2的切片业务，由于此时UE1注册的频点是NR-Arfcn 1，NR-Arfcn 1是无法支持APP2的切片业务，因此UE1无法享用到APP2的切片业务。
在场景二中：用户持有的终端(UE2)在APP1业务和APP2业务同时并发的时候，希望APP2的切片业务优先级高于APP1的切片业务优先级，优先保证APP2始终享用切片业务，而APP1需要NR-Arfcn 1的支持，APP2需要NR-Arfcn 2的支持，UE2开机注册到NR-Arfcn 1上，因此UE2无法始终享用APP2的切片业务。
针对诸如上述的场景，按照当前的通讯协议，用户没有任何办法通过设置手机主动切换或者通过通知网络被动切换到想要享用的切片业务对应支持的频点上，导致用户的需求无法得到满足，大大降低了用户体验。
为解决上述问题，本申请实施例提供了一种频点切换方法、电子设备和存储介质，满足不同用户差异化的需求，能够保证终端注册在支持用户优选应用的切片业务的频点上，大大提高了用户体验。
图1示出了本申请一实施例提供的一种频点切换方法的流程图，该方法应用于终端。如图1所示，该方法可以包括如下步骤：
S110，接收用户的应用优先级信息，应用优先级信息包括至少一个应用和应用的优先级。
在一些示例中，用户在终端设置应用优先级信息，应用优先级信息包括有应用以及应用的优先级。终端接收到用户设置的应用优先级信息，接收到的应用优先级信息包括至少一个应用和应用的优先级。应用优先级信息包含的内容，可参见如下表1。
表1
应用标识 优先级
APP1 1
APP2 2
APP3 3
应当理解的是，用户能够在终端添加应用并设置应用的优先级、编辑已经添加的应用的优先级和删除不再需要设置的应用的优先级。具体实现时，用户在终端设置应用的优先级，本申请实施例中终端提供的人机交互接口，操作界面简单，用户界面增加了应用的优先级添加界面，用户可以添加、删除、编辑一个应用，并对每一个应用添加一个优先级，让普通用户能更加直观简易地进行操作，提升用户的体验。
S120，获取应用对应的切片标识,根据应用的优先级确定切片标识的优先级。
在一些示例中，终端接收到用户设置的应用优先级信息后，获取应用优先级信息中每个应用对应的切片标识，每个应用有对应的切片标识，如此，根据每个应用的优先级可进一步确定每个切片标识的优先级，以在后续步骤中将切片标识的优先级封装进切片优先级信息发送到基站。
可以理解的是，本申请实施例中应用、应用的优先级、切片标识、切片标识的优先级为一一对应的关系，并且存在映射关系的应用的优先级和切片的优先级是相等的。
本申请实施例中，切片标识可以为单一网络切片选择辅助信息(Single Network Slice Selection Assistance Information，S-NSSAI)，通过S-NSSAI识别对应为各个应用提供切片业务的网络切片。每个优先级对应的应用以及切片标识，可参见如下表2。
表2
Figure PCTCN2021123863-appb-000001
S130，向基站发送切片优先级信息，切片优先级信息包括切片标识和切片标识的优先级。
在一些示例中，终端通过空口指令向基站发送切片优先级信息，切片优先级信息至少包括切片标识和切片标识的优先级，例如：{(S-NSSAI-1，优先级1)；(S-NSSAI-2，优先级2)；(S-NSSAI-3，优先级3)}。通过切片优先级信息能够获取根据用户设置的应用优先级信息所确定的各个切片的优先级。可理解的是，切片优先级信息还可以包括终端标识和各切片优先级对应的应用标识，例如：{UE1，(APP1，S-NSSAI-1，优先级1)；(APP2，S-NSSAI-2，优先级2)；(APP3，S-NSSAI-3，优先级3)}。本申请实施例对切片优先级信息的具体形式不做过多限定。
S140，接收基站根据切片优先级信息发送的目标频点切换指令。
在一些示例中，当终端向基站发送了切片优先级信息，接收基站根据切片优先级信息发送的目标频点切换指令，基站根据终端发送的切片优先级信息能够确定终端当前需要切换的目标频点并向终端发送目标频点切换指令，终端接收到该目标频点切换指令触发频点切换流程。
S150，根据目标频点切换指令从当前驻留的源频点切换至目标频点。
在一些示例中，终端对基站发送了切片优先级信息，并接收到来自基站的对应目标频点指令，目标频点指令为指示终端切换到第一优先级的切片业务所对应的频点上，终端根据目标频点切换指令执行终端频点切换的流程，从当前驻留的源频点切换到目标频点，该目标频点支持第一优先级的应用的切片业务。
具体地，终端在开机后按照通信协议正常接入流程，随机选择一个满足驻留条件的频点(即源频点)，完成5G初始开机注册，用户终端(UE)将网络下发的URSP(UE路由选择策略)存储在本地,通过PDU连接业务，实现业务数据的传输服务，PDU连接业务就是UE和数据网络DN之间交换PDU数据包的业务，PDU连接业务通过UE或应用服务器AF发起PDU会话的建立来实现。一个PDU会话是指一个UE与DN之间进行通讯的过程，PDU会话建立后，也就是建立了一条UE和DN的数据传输通道，能够实现业务数据的传输服务。当终端接收到来自基站的目标频点切换指令，根据目标频点切换指令切换至目标频点，在目标频点上能够享用对应的应用切片业务。
在一些实施例中，在向基站发送切片优先级信息之前，如图2所示，还可以包括以下步骤：
S210，获取每个应用的状态标志，其中，该状态标志用于指示应用的运行状态，应用的运行状态包括启动状态或者停止状态。
在一些示例中，终端接收到用户设置的应用优先级信息，并将应用优先级信息存储下来，进而确定每个应用的运行状态，运行状态包括有启动状态或者停止状态，启动状态可以是当用户首次启动应用或唤醒应用进入使用状态，停止状态可以是用户主动关闭应用或长时间不使用的应用状态。
在一些示例中，在终端运行过程中，监听用户在步骤S110中增加的优先级的应用，将应用是否启动的信息存储起来，判断应用是否已经启动。
具体实现过程中，可以在确定应用优先级信息中每个应用的运行状态之后，根据每个应用的运行状态，设置每个应用的状态标志，状态标志用于指示应用的运行状态。通过获取每个应用的状态标志以识别处于启动状态的应用。
在一些示例中，当接收到用户设置的应用优先级信息后，存储各个应用的优先级信息，根据每个应用的运行状态，设置每个应用的状态标志，状态标志用于指示应用的运行状态，运行状态为启动状态或停止状态，将应用是否启动的信息存储起来。作为示例，优先级以及优先级对应的应用、切片标识、应用状态标志，可参见如下表3所示。
表3
优先级 应用标识 切片标识 应用状态标志
1 APP1 S-NSSAI-1 Start
2 APP2 S-NSSAI-2 Stop
3 APP3 S-NSSAI-3 Start
S220，将处于启动状态的应用对应的所述切片标识和切片标识的优先级封装至所述切片优先级信息中。
将状态标志指示处于启动状态的应用对应的切片标识和切片标识的优先级封装至切片优先级信息中，若用户没有使用该应用的业务，即应用的运行状态不是处于启动状态，则没有必要考虑其优先级，不需要频点切换的功能。
在终端运行过程中，获取每个应用的状态标志，通过状态标志监测添加了优先级的应用是否启动，当应用的启动信息有更新或用户设置的应用优先级信息有更新，将所有启动的应用对应的优先级信息发送给基站。
当监测到某个应用从启动状态切换到停止状态，说明该应用停止运行，则需要再次向基站发送切片优先级信息，剔除该停止状态的应用对应的信息，进行切片优先级信息的更新，使得终端提供给用户的切片业务更加准确。例如，根据表3所示的应用状态标志，将如下信息封装至向基站发送的切片优先级信息中：{UE1，(APP1，S-NSSAI-1，优先级1)；(APP3，S-NSSAI-3，优先级3)}。
在一些实施例中，如图3所示，在向基站发送切片优先级信息之后，接收基站根据所述切片优先级信息发送的目标频点切换指令之前，还可以包括以下步骤：
S310,接收基站发送的目标频点信号测量请求。
在一些示例中，终端向基站发送切片优先级信息，切片优先级信息中包括有切片标识和切片标识的优先级，当基站根据终端发送的切片优先级信息确定终端当前驻留的频点不支持第一优先级对应的切片业务之后，需查找支持第一优先级对应的切片业务的目标频点，进而向终端发送目标频点切换指令。基站在向终端发送目标频点切换指令之前，需获取目标频点的信号质量，以根据信号质量确定目标频点是否满足切换条件。故基站在向终端发送目标频点切换指令之前，先向终端发送目标频点信号测量请求。终端接收到基站发送的目标频点信号测量请求之后，对目标频点的信号进行测量，并将测量结果发送给基站，以使基站根据测量结果判断是否符合频点切换条件。
S320,根据目标频点信号测量请求，对目标频点的信号强度进行测量，得到目标频点信号强度指示值。
在一些示例中，终端根据来自基站的目标频点信号测量请求，对目标频点的信号强度进行测量，得到目标频点信号指示值，该目标频点信号指示值用于指示目标频点的信号质量。
S330,将目标频点信号强度指示值回复给基站。
在一些示例中，终端对目标频点的信号强度进行测量，得到目标频点信号强度指示值后，将目标频点信号强度指示值反馈给基站，当基站确定目标频点信号强度指示值满足强度阈值，终端接收来自基站的目标频点切换指令，切换到目标频点。
本申请实施例的方案，终端接收用户设置的应用优先级信息，获取应用对应的切片标识，并根据应用的优先级确定与该应用对应的切片标识的优先级，然后向基站发送切片优先级信息，接收基站根据切片优先级信息发送的目标频点切换指令，使终端自适应切换到能支持最高优先级应用的切片业务的频点上，满足用户的个性化需求，大大提高了用户体验。
需要说明的是，上述图1是从终端侧对本申请进行描述的，下面结合图4从基站侧对本申请进行描述，终端侧和基站侧两者之间是对应的。
图4示出了本申请一实施例提供的一种频点切换方法的流程图，该方法应用于基站。如图4所示，该方法可以包括如下步骤：
S410,接收终端发送的切片优先级信息，切片优先级信息包括切片标识和切片标识的优先级。
在一些示例中，基站接收到来自终端的切片优先级信息，切片优先级信息包括切片标识和切片标识的优先级，并可以向终端反馈接收指令，接收指令表示已经收到终端发送的切片优先级消息。基站可以将接收的切片优先级信息存储在本地。
S420,根据切片标识和切片标识的优先级，确定第一优先级对应的目标切片标识。
在一些示例中，基站将各个用户终端(UE)的优先级应用消息存储到本地，建立UE、应用、切片标识、切片标识的优先级之间的对应关系。根据切片标识和切片标识的优先级，确定用户设置的最高优先级(即第一优先级)对应的目标切片标识。
在一些实施例中，切片标识为S-NSSAI，通过S-NSSAI识别对应为各个应用提供切片业务的网络切片。
S430,当确定终端当前驻留的频点不支持目标切片标识对应的切片业务，确定支持目标切片标识对应的目标频点。
在一些示例中，用户设置的第一优先级对应的目标切片标识有对应的切片业务，当终端当前驻留的频点不支持目标切片标识对应的切片业务，则需要确定支持目标切片标识对应的目标频点，并对终端发送目标频点切换指令。
在具体实现时，可以在基站本地存储各个小区频点对应的NSSAI。基站可以在本地存储的NSSAI中获取终端当前驻留的频点对应的第一NSSAI；在第一NSSAI中查找目标S-NSSAI；当第一NSSAI不包含目标S-NSSAI,即能够确定终端当前驻留的频点不支持目标S-NSSAI对应的切片业务。
当确定终端当前驻留的频点不支持目标S-NSSAI对应的切片业务，基站获取相邻小区的频点对应的第二NSSAI，当第二NSSAI包含目标S-NSSAI，将该包含目标S-NSSAI的第二NSSAI对应的频点确定为目标频点。
S440,向终端发送目标频点切换指令，以使终端根据频点切换指令切换至目标频点。
在一些示例中，基站判断终端当前驻留的频点不支持第一优先级对应的切片业务，向终端发送目标频点切换指令，使终端根据频点切换指令切换到目标频点。
在一些实施例中，步骤S440中，在向终端发送目标频点切换指令前，如图5所示，还可以包括以下步骤：
S510,向终端发送目标频点信号测量请求。
在一些示例中，当基站检测到终端并没有驻留到与第一优先级的网络切片匹配的小区频点上，则向终端发送目标频点信号测量请求，指示终端进行目标频点信号测量。
S520,接收终端根据目标频点信号测量请求回复的目标频点信号强度指示值。
在一些示例中，终端接收到来自基站的目标频点信号测量请求对目标频点信号进行测量，基站接收终端回复的目标频点信号强度指示值，根据目标频点信号强度指示值判断当前环境是否满足切换阈值条件。
S530,当确定目标频点信号强度指示值大于预设的信号强度阈值，向终端发送目标频点切换指令。
在一些示例中，当目标频点信号强度指示值大于预设的信号强度阈值，基站向终端发送目标频点切换指令，指示终端切换到优先级更高的应用服务所对应的目标频点上。
本申请实施例的方案，当基站根据终端发送的切片优先级信息确定终端当前驻留的频点不支持第一优先级对应的切片业务之后，查找支持第一优先级对应的切片业务的目标频点，并向终端发送目标频点切换指令，如此，实现根据用户设置的应用优先级信息，使终端自适应切换到与最高优先级应用对应的网络切片相匹配的频点，满足用户的个性化需求，大大提高了用户体验。
为了便于理解本申请实施例的方法，以下结合图6所示的频点切换方法的交互流程图，进一步介绍本申请实施例提供的频点切换方法，该方法涉及终端侧和基站侧，具体包括如下步骤：
S601,终端在开机后按照协议执行正常接入流程，随机选择一个满足驻留条件的频点(假设为NR-arfcn 1)驻留；
S602，终端根据用户在终端设置的应用优先级信息确定切片优先级信息；
S603，终端将切片优先级信息发送给基站；
S604，基站根据切片优先级信息检测到终端并没有驻留到第一优先级的切片标识所对应的目标频点(假设为NR-arfcn 2)，向终端发送目标频点信号测量请求；
S605，终端根据目标频点信号测量请求，对目标频点的信号强度进行测量，得到目标频点信号强度指示值；
S606，终端将所述目标频点信号强度指示值回复给所述基站；
S607，当基站确定目标频点信号强度指示值大于预设的信号强度阈值，向终端发送目标频点切换指令；
S608，终端根据目标频点切换指令，从源频点(NR-arfcn 1)切换到目标频点(NR-arfcn2)上。
应当理解，本申请实施例涉及的终端包括具有无线通信功能的手持式设备、车载设备、可穿戴设备或计算设备。在一些示例中，终端可以是手机(mobile phone)、平板电脑或带无线收发功能的电脑。终端还可以是虚拟现实(virtual reality，简称VR)终端设备、增强现实(augmented reality，简称AR)终端设备、工业控制中的无线终端、无人驾驶中的无线终端、远程医疗中的无线终端、智能电网中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等等。
进一步可以理解的是，在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述或记载的部分，可以参见其它实施例的相关描述。
请参见图7，本申请实施例还提供了一种终端，包括：存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序。
处理器和存储器可以通过总线或者其他方式连接。
存储器作为一种非暂态计算机可读存储介质，可用于存储非暂态软件程序以及非暂态性计算机可执行程序。此外，存储器可以包括高速随机存取存储器，还可以包括非暂态存储器，例如至少一个磁盘存储器件、闪存器件、或其他非暂态固态存储器件。在一些实施方式中，存储器可包括相对于处理器远程设置的存储器，这些远程存储器可以通过网络连接至该处理器。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
实现上述实施例的频点切换方法所需的非暂态软件程序以及指令存储在存储器中，当被处理器执行时，执行上述实施例中的频点切换方法，例如，执行图1至图3任一所示实施例 中的步骤。
请参见图8，本申请实施例还提供了一种基站，包括：存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序。
处理器和存储器可以通过总线或者其他方式连接。
存储器作为一种非暂态计算机可读存储介质，可用于存储非暂态软件程序以及非暂态性计算机可执行程序。此外，存储器可以包括高速随机存取存储器，还可以包括非暂态存储器，例如至少一个磁盘存储器件、闪存器件、或其他非暂态固态存储器件。在一些实施方式中，存储器可包括相对于处理器远程设置的存储器，这些远程存储器可以通过网络连接至该处理器。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
实现上述实施例的频点切换方法所需的非暂态软件程序以及指令存储在存储器中，当被处理器执行时，执行上述实施例中的频点切换方法，例如，执行图4至图5任一所示实施例中的步骤。
以上所描述的装置实施例仅仅是示意性的，其中作为分离部件说明的单元可以是或者也可以不是物理上分开的，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。
此外，本申请的一个实施例还提供了一种计算机可读存储介质，该计算机可读存储介质存储有计算机可执行指令，该计算机可执行指令被一个处理器或控制器执行，例如，被上述终端实施例中的一个处理器执行，可使得上述处理器执行上述实施例中的频点切换方法，例如，执行以上描述的图1至图3任一所示实施例中的步骤。或者，被上述基站实施例中的一个处理器执行，可使得上述处理器执行上述实施例中的频点切换方法，例如，执行以上描述的图4至图5任一所示实施例中的步骤。
本申请实施例包括：接收用户的应用优先级信息，所述应用优先级信息包括至少一个应用和所述应用的优先级；获取所述应用对应的切片标识，并根据所述应用的优先级确定所述切片标识的优先级；向基站发送切片优先级信息，所述切片优先级信息包括所述切片标识和所述切片标识的优先级；接收所述基站根据所述切片优先级信息发送的目标频点切换指令；根据所述目标频点切换指令从当前驻留的源频点切换至目标频点。本申请实施例的方案，实现根据用户设置的应用优先级信息，使终端自适应切换到与第一优先级的应用对应的网络切片相匹配的频点，满足用户的个性化需求，大大提高了用户体验。
本领域普通技术人员可以理解，上文中所公开方法中的全部或某些步骤、系统可以被实施为软件、固件、硬件及其适当的组合。某些物理组件或所有物理组件可以被实施为由处理器，如中央处理器、数字信号处理器或微处理器执行的软件，或者被实施为硬件，或者被实施为集成电路，如专用集成电路。这样的软件可以分布在计算机可读介质上，计算机可读介质可以包括计算机存储介质(或非暂时性介质)和通信介质(或暂时性介质)。如本领域普通技术人员公知的，术语计算机存储介质包括在用于存储信息(诸如计算机可读指令、数据结构、程序模块或其他数据)的任何方法或技术中实施的易失性和非易失性、可移除和不可移除介质。计算机存储介质包括但不限于RAM、ROM、EEPROM、闪存或其他存储器技术、CD-ROM、数字多功能盘(DVD)或其他光盘存储、磁盒、磁带、磁盘存储或其他磁存储装置、或者可以用于存储期望的信息并且可以被计算机访问的任何其他的介质。此外，本领域普通技术人员公知的是，通信介质通常包含计算机可读指令、数据结构、程序模块或者诸如载波或其他传 输机制之类的调制数据信号中的其他数据，并且可包括任何信息递送介质。
本领域普通技术人员可以理解，上文中所公开方法中的全部或某些步骤、系统可以被实施为软件、固件、硬件及其适当的组合。某些物理组件或所有物理组件可以被实施为由处理器，如中央处理器、数字信号处理器或微处理器执行的软件，或者被实施为硬件，或者被实施为集成电路，如专用集成电路。这样的软件可以分布在计算机可读介质上，计算机可读介质可以包括计算机存储介质(或非暂时性介质)和通信介质(或暂时性介质)。如本领域普通技术人员公知的，术语计算机存储介质包括在用于存储信息(诸如计算机可读指令、数据结构、程序模块或其他数据)的任何方法或技术中实施的易失性和非易失性、可移除和不可移除介质。计算机存储介质包括但不限于RAM、ROM、EEPROM、闪存或其他存储器技术、CD-ROM、数字多功能盘(DVD)或其他光盘存储、磁盒、磁带、磁盘存储或其他磁存储装置、或者可以用于存储期望的信息并且可以被计算机访问的任何其他的介质。此外，本领域普通技术人员公知的是，通信介质通常包括计算机可读指令、数据结构、程序模块或者诸如载波或其他传输机制之类的调制数据信号中的其他数据，并且可包括任何信息递送介质。
以上是对本申请的一些实施进行了具体说明，但本申请并不局限于上述实施方式，熟悉本领域的技术人员在不违背本申请范围的共享条件下还可作出种种等同的变形或替换，这些等同的变形或替换均包括在本申请权利要求所限定的范围内。

Claims (10)

  1. 一种频点切换方法，应用于终端，所述方法包括：
    接收用户的应用优先级信息，所述应用优先级信息包括至少一个应用和所述应用的优先级；
    获取所述应用对应的切片标识，并根据所述应用的优先级确定所述切片标识的优先级；
    向基站发送切片优先级信息，所述切片优先级信息包括所述切片标识和所述切片标识的优先级；
    接收所述基站根据所述切片优先级信息发送的目标频点切换指令；
    根据所述目标频点切换指令从当前驻留的源频点切换至目标频点。
  2. 根据权利要求1所述的频点切换方法，其中，在所述向基站发送切片优先级信息之前，所述方法还包括：
    获取每个应用的状态标志，其中，所述状态标志用于指示所述应用的运行状态，所述运行状态包括启动状态或者停止状态；
    将处于启动状态的所述应用对应的所述切片标识和所述切片标识的优先级封装至所述切片优先级信息中。
  3. 根据权利要求1所述的频点切换方法，其中，在向基站发送切片优先级信息之后，接收所述基站根据所述切片优先级信息发送的目标频点切换指令之前，所述方法还包括：
    接收所述基站发送的目标频点信号测量请求；
    根据所述目标频点信号测量请求，对所述目标频点的信号强度进行测量，得到目标频点信号强度指示值；
    将所述目标频点信号强度指示值回复给所述基站。
  4. 根据权利要求1所述的频点切换方法，其中，所述切片标识为单一网络切片选择辅助信息S-NSSAI。
  5. 一种频点切换方法，应用于基站，所述方法包括：
    接收终端发送的切片优先级信息，所述切片优先级信息包括切片标识和所述切片标识的优先级；
    根据所述切片优先级信息，确定第一优先级对应的目标切片标识；
    当确定所述终端当前驻留的源频点不支持所述目标切片标识对应的切片业务，确定支持所述目标切片标识的目标频点；
    向所述终端发送目标频点切换指令，以使所述终端根据所述目标频点切换指令从所述源频点切换至所述目标频点。
  6. 根据权利要求5所述的频点切换方法，其中，所述向所述终端发送目标频点切换指令，包括：
    向所述终端发送目标频点信号测量请求；
    接收所述终端根据所述目标频点信号测量请求回复的目标频点信号强度指示值；
    当确定所述目标频点信号强度指示值大于预设的信号强度阈值，向所述终端发送所述目标频点切换指令。
  7. 根据权利要求5所述的频点切换方法，其中，所述切片标识为单一网络切片选择辅助 信息S-NSSAI，所述当确定所述终端当前驻留的频点不支持所述目标切片标识对应的切片业务，确定支持所述目标切片标识对应的目标频点，包括：
    获取所述终端当前驻留的频点对应的第一网络切片选择辅助信息NSSAI；
    当所述第一NSSAI不包含目标S-NSSAI，确定所述终端当前驻留的频点不支持所述目标S-NSSAI对应的切片业务；
    获取相邻小区的频点对应的第二NSSAI，当所述第二NSSAI包含所述目标S-NSSAI，将所述第二NSSAI对应的频点确定为目标频点。
  8. 一种终端，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，其中，所述处理器执行所述计算机程序时实现如权利要求1至4中任一项所述的频点切换方法的步骤。
  9. 一种基站，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，其中，所述处理器执行所述计算机程序时实现如权利要求5至7中任一项所述的频点切换方法的步骤。
  10. 一种存储介质，用于计算机可读存储，其中，所述存储介质存储有一个或者多个计算机可执行指令，所述一个或者多个计算机可执行指令可被一个或者多个处理器执行，以实现权利要求1至4中任一项所述的频点切换方法的步骤或5至7中任一项所述的频点切换方法的步骤。
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