WO2024045405A1 - 一种网络制式切换方法、终端、服务器及存储介质 - Google Patents

一种网络制式切换方法、终端、服务器及存储介质 Download PDF

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Publication number
WO2024045405A1
WO2024045405A1 PCT/CN2022/137499 CN2022137499W WO2024045405A1 WO 2024045405 A1 WO2024045405 A1 WO 2024045405A1 CN 2022137499 W CN2022137499 W CN 2022137499W WO 2024045405 A1 WO2024045405 A1 WO 2024045405A1
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Prior art keywords
base station
terminal
location
network standard
server
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PCT/CN2022/137499
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English (en)
French (fr)
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汪伟
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上海移远通信技术股份有限公司
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Publication of WO2024045405A1 publication Critical patent/WO2024045405A1/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
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • 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
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the field of communication technology, specifically, to a network standard switching method, terminal, server and storage medium.
  • the terminal cannot switch to the second network standard. For example, when the terminal falls back from the high-level network standard to the low-level network standard, the data transmission of the terminal will also fall back from the high-level network standard to the low-level network standard.
  • the early-built base stations that can provide low-level network standards are not configured with base station information corresponding to high-level network standards. For example, early-built 2G base stations are usually not configured with 4G or 5G base stations as neighboring cells.
  • the base station corresponding to the low-level network standard cannot instruct the terminal to switch back to the high-level network standard.
  • the terminal is always in the low-level network standard, resulting in poor user experience.
  • the purpose of the embodiments of this application is to provide a network standard switching method, terminal, server and storage medium to solve the problem in the prior art that when a terminal accesses a certain network standard, if the base station corresponding to the network standard is not configured with another network
  • the problem is that the terminal cannot switch to another network standard when receiving information about the base station corresponding to the standard.
  • a network standard switching method applied to a terminal, and the method includes:
  • the terminal accesses the first network standard through the first base station, obtain location feature information used to characterize the current location of the terminal;
  • the location characteristic information is sent to the server, so that when the server determines that there is currently a second base station accessible to the terminal based on the location characteristic information, the server sends to the terminal an instruction for switching to the third base station.
  • a switching instruction for two network standards the second base station is a base station that can provide the second network standard;
  • the terminal reports location characteristic information to the server, so that the server can send a switching instruction to the terminal instructing the terminal to switch to the second network standard, so that the terminal can access the second network standard through the second base station.
  • the terminal may also complete switching from the first network standard to the second network standard.
  • the location characteristic information includes terminal location coordinates of the current location of the terminal or a base station identification of the first base station.
  • the terminal can directly report the terminal location coordinates to the server. Since the server can directly obtain the terminal location coordinates, the work efficiency of the server can be improved, so that the terminal can complete the transition from the first network standard to the third network standard as soon as possible. Switching between two network standards; on the other hand, the terminal can report the base station identification of the first base station to the server. Even in a poor network environment, it can complete the acquisition of the base station identification of the first base station, so it can be applied to the network environment Poor scenarios improve the universality of the solution.
  • the location characteristic information when the location characteristic information includes the base station identification of the first base station, the location characteristic information further includes: the first base station currently accessed by the terminal. The cell identity of the cell, and/or the signal strength information when the terminal communicates with the first base station.
  • the location characteristic information obtained by the terminal includes the cell identity of the cell of the first base station currently accessed by the terminal, and/or the signal strength information when the terminal communicates with the first base station, so that the server can use the location characteristics according to the location characteristics.
  • the information can more accurately locate the current location of the terminal, which can improve the accuracy of terminal positioning.
  • the method before obtaining location feature information characterizing the current location of the terminal, the method includes:
  • the above embodiment is applicable to a scenario where the terminal is currently in a data transmission state.
  • the terminal When the terminal is in a data transmission state, it can also switch from the first network standard to the second network standard.
  • this application also provides a network standard switching method, which is applied to the server.
  • the method includes:
  • the location feature information is feature information obtained when the terminal accesses the first network standard through the first base station and is used to characterize the current location of the terminal;
  • a switching instruction for instructing the terminal to switch to the second network standard is sent to the terminal for the terminal to receive the During the handover instruction, the second network standard is accessed through the second base station; the second base station is a base station that can provide the second network standard.
  • the server can determine whether there is currently a second base station that the terminal can access based on the received location feature information. When the determination result is yes, the server can send a switching instruction to the terminal so that the terminal can access the third base station through the second base station.
  • the terminal can also complete the switch from the first network standard to the second network standard.
  • the server stores base station location information of base stations that can provide the second network standard
  • determining based on the location characteristic information that there is currently a second base station accessible to the terminal includes:
  • the base station location information and the terminal location coordinates when it is determined that the terminal is located within the base station signal coverage of a certain base station, use this base station as the second base station currently accessible to the terminal;
  • determining based on the location characteristic information that there is currently a second base station accessible to the terminal includes:
  • the base station Determine the terminal location coordinates of the current location of the terminal according to the base station identification of the first base station, and determine the base station signal coverage area of a certain base station where the terminal is located based on the base station location information and the terminal location coordinates. During this period, the base station is used as the second base station currently accessible to the terminal.
  • the server can directly determine whether there is a second base station near the terminal based on the base station location information and the received terminal location coordinates. Since the server can directly obtain the terminal location coordinates, the server's work can be improved. efficiency, so that the terminal can complete the switch from the first network standard to the second network standard as soon as possible; on the other hand, the server can determine the terminal location coordinates of the terminal's current location based on the base station identification of the first base station, and then determine the terminal location coordinates based on the base station location. Information and the location coordinates of the terminal are used to determine whether there is a second base station near the terminal, which can be applied to scenarios with poor network environments and improves the universality of the solution.
  • the method further includes:
  • the base station closest to the terminal is used as the second base station currently accessible to the terminal.
  • priority is given to accessing the base station closest to the terminal, which can improve the communication quality of communication based on the second network standard.
  • the present application also provides a terminal, including a first processor and a first memory.
  • a first computer program is stored in the first memory, and the first processor executes the first computer program to Implement any of the above methods applied to the terminal.
  • the present application also provides a server, including a second processor and a second memory, a second computer program stored in the second memory, and the second processor executes the second computer program to Implement any of the above methods applied to the server.
  • the present application also provides a computer-readable storage medium that stores a computer program.
  • the third computer program is executed by at least one processor, any one of the above methods can be implemented.
  • Figure 1 is a schematic flow chart of a network standard switching method applied to a terminal provided by an embodiment of the present application
  • Figure 2 is a schematic flowchart of a network standard switching method applied to a server provided by an embodiment of the present application
  • Figure 3 is a schematic structural diagram of a terminal provided by an embodiment of the present application.
  • Figure 4 is a schematic structural diagram of a server provided by an embodiment of the present application.
  • Figure 1 is a schematic flowchart of a network standard switching method provided by an embodiment of the present application. This method can be applied to a terminal.
  • the terminal can be a mobile phone, a computer, a tablet, or any other device that can communicate with a base station.
  • the method may include the following steps:
  • S12 Send the location feature information to the server, so that when the server determines that there is currently a second base station that the terminal can access based on the location feature information, it will send a switching instruction to the terminal to instruct the terminal to switch to the second network standard.
  • the second base station is a base station that can provide the second network standard.
  • the location feature information in step S11 may be any information that can characterize the current location of the terminal.
  • the location feature information includes the terminal location coordinates of the terminal's current location, and the terminal location coordinates can directly represent the terminal's current location.
  • the terminal can obtain the terminal location coordinates of the current location of the terminal through a positioning module, such as a GPS module, and then send the terminal location coordinates to the server, so that the server can determine whether the terminal location coordinates currently exist based on the terminal location coordinates.
  • the second base station that the terminal can access.
  • the location characteristic information includes information that can indirectly characterize the current location of the terminal.
  • it can include the base station identifier of the first base station. Different base stations have different corresponding base station identifiers.
  • the terminal is currently with Being connected to the first base station means that the terminal is currently within the base station signal coverage of the first base station, so the base station identifier of the first base station can indirectly represent the current location of the terminal.
  • the terminal can obtain the base station identifier of the first base station that it is currently connected to, and send the base station identifier to the server, so that the server can determine the terminal location coordinates of the terminal's current location based on the base station identifier, and then use the base station identifier to determine the terminal location coordinates of the terminal's current location.
  • the location coordinates are used to determine whether there is currently a second base station that the terminal can access.
  • the base station identification is obtained and the base station identification is sent to the server.
  • the base station identification locates the terminal.
  • the base station identifier in the embodiment of this application can be any identifier that can represent the unique identity of the base station, for example, it can be composed of LAC (location area code) and CID (base station number).
  • LAC location area code
  • CID base station number
  • the server in the embodiment of the present application has pre-stored base station location information of multiple base stations. Specifically, the corresponding relationship between the base station identification and the base station location information of each base station can be stored.
  • the server After receiving the base station identification of the first base station sent by the terminal, the server can query the base station location information of the first base station based on the base station identification, and can estimate the terminal location coordinates of the terminal based on the base station location information of the first base station.
  • the base station location information (base station location coordinates) of the first base station can be directly used as the current terminal location coordinates of the terminal, and then based on the terminal location coordinates, it can be determined whether there is a corresponding second base station.
  • the location feature information when the location feature information includes the base station identity of the first base station, the location feature information may also include: the cell identity of the cell of the first base station that the terminal is currently accessed, and /or signal strength information when the terminal communicates with the first base station.
  • the coverage range of each cell of each base station is fixed.
  • the corresponding relationship between the base station identification and the base station location information of each base station can be stored in the server in advance.
  • its corresponding cell identification is stored for each base station, and for each cell , storing information about the corresponding cell coverage.
  • the server can query the cell corresponding to the base station based on the base station identification, and then query the corresponding cell based on the cell identification sent by the terminal.
  • Cell coverage Based on the cell coverage, the current terminal location coordinates of the terminal can be estimated. For example, the middle point in the cell coverage range can be used as the current location point of the terminal, and then based on the location point, it can be determined whether there is a corresponding second base station.
  • the location feature information includes signal strength information when the terminal communicates with the first base station
  • the distance between the terminal and the first base station can be estimated based on the signal strength information.
  • the server obtains the base station location information of the first base station in the above manner, it can This distance estimates the current terminal position coordinates of the terminal.
  • the terminal before obtaining the location feature information used to characterize the current location of the terminal, it can also be determined that the terminal is currently in a data transmission state. When the terminal is in a data transmission state, higher network quality requirements are required, so the terminal needs to be transferred to the terminal in a timely manner. Switch from the first network standard to the second network standard.
  • the switching instruction sent by the server to the terminal may include the base station identification of the second base station, for example, the LAC and CID of the second base station.
  • the terminal may first suspend the current data.
  • a network application is sent to the corresponding second base station according to the base station identification in the handover instruction.
  • the second network standard is accessed through the second base station, data transmission is resumed.
  • step S11 may also include: when it is determined that the connection status of the terminal and the second network standard is disconnected and the terminal accesses the first network standard through the first base station, then obtaining the location characteristics used to characterize the current location of the terminal. information. This ensures that after the terminal switches from the second network standard to the first network standard, it can switch back to the second network standard again to ensure that the terminal is connected to the second network standard as much as possible.
  • FIG. 2 is a schematic flowchart of a network standard switching method provided by an embodiment of the present application.
  • This method can be applied to a server.
  • the server in the embodiment of the present application can pre-store base station location information of each base station, wherein the above-mentioned
  • the base station location information of the first base station and the second base station can be stored in the server in advance.
  • the method includes:
  • S21 Receive location feature information sent by the terminal; the location feature information is feature information obtained when the terminal accesses the first network standard through the first base station and is used to characterize the current location of the terminal.
  • S22 When it is determined according to the location characteristic information that there is currently a second base station that the terminal can access, send a switching instruction to the terminal to instruct the terminal to switch to the second network standard, so that when the terminal receives the switching instruction, it can pass the second base station through the second base station.
  • the second base station is a base station that can provide the second network standard.
  • the server in the embodiment of the present application may also pre-store base station location information of each base station that can provide the second network standard.
  • the base station location information of each base station that can provide the second network standard can also be obtained by the server from other devices.
  • the terminal when it is determined that the terminal is located within the base station signal coverage of a certain base station based on the location information of each base station and the terminal location coordinates, the terminal can be The base station serves as the second base station currently accessible to the terminal.
  • the terminal location coordinates of the current location of the terminal may be determined based on the base station identification of the first base station, and then the terminal location coordinates of the current location of the terminal may be determined based on the location information of each base station and the terminal location coordinates.
  • the base station is used as the second base station that the current terminal can access.
  • the following describes the process of determining whether the terminal is located within the base station signal coverage of the corresponding base station based on the base station location information and the terminal location coordinates.
  • the terminal position coordinates are determined to be (x1, y1), and the base station position coordinates of the base station that can provide the second network standard are (x2, y2). If there is Then it is determined that the terminal is within the base station signal coverage of the base station. If Then it is determined that the terminal is not within the base station signal coverage of the base station, where r is the base station signal coverage radius of the base station, and this value can be stored in the server in advance.
  • the base station closest to the terminal may be used as the second base station accessible to the current terminal.
  • the server can issue a switching instruction to the terminal to notify the terminal that there is a second base station nearby that can be switched. After receiving the switching instruction, the terminal accesses the second network standard through the second base station.
  • the first network standard and the second network standard can be any network standards, as long as they are different.
  • the network level of the second network standard is higher than that of the first network standard, or in other words, the network priority of the second network standard is higher than the network priority of the first network standard.
  • the first network standard can be the GSM (Global System for Mobile Communications, Global System for Mobile Communications) network standard or the WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access) network standard
  • the second network standard can be LTE (Long Term Evolution, long-term evolution technology) network standard.
  • an embodiment of the present application also provides a terminal, as shown in Figure 3, including a first processor 301 and a first memory 302.
  • the first memory 302 stores a first computer program
  • the first processor 301 Execute the first computer program to implement any of the above network standard switching methods applied to the terminal.
  • an embodiment of the present application also provides a server, as shown in Figure 4 , including a second processor 302 and a second memory 402.
  • the second memory 402 stores a second computer program, and the second processor 302 Execute the second computer program to implement any of the above network standard switching methods applied to the server.
  • terminal and the server may also include more or fewer components than shown in FIGS. 3 and 4 , or have different configurations than those shown in FIGS. 3 and 4 .
  • the first processor 301 and the second processor 302 may be an integrated circuit chip with signal processing capabilities. During the implementation process, each step of the above method can be completed by instructions in the form of hardware integrated logic circuits or software in the first processor 301 and the second processor 302 .
  • the above-mentioned first processor 301 and second processor 302 can be general-purpose processors, including central processing unit (Central Processing Unit, referred to as CPU), network processor (Network Processor, referred to as NP), etc.; they can also be digital signal processors (DSP), application specific integrated circuit (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • CPU Central Processing Unit
  • NP Network Processor
  • DSP digital signal processors
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
  • the steps of the method disclosed in conjunction with the embodiments of the present invention can be directly implemented by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
  • the first memory 302 and the second memory 402 include, but are not limited to, random access memory (RAM), read only memory (ROM), programmable read only memory (PROM), erasable read only memory (EPROM), electrically erasable memory Except read-only memory (EEPROM), etc.
  • RAM random access memory
  • ROM read only memory
  • PROM programmable read only memory
  • EPROM erasable read only memory
  • EEPROM electrically erasable memory Except read-only memory
  • the first memory 302 and the second memory 402 store programs required to execute the network standard switching method.
  • the first processor 301 and the first memory 302 are connected through a first communication bus, and the second processor 302 and the second memory 402 are connected through a second communication bus.
  • the bus may be an ISA bus, a PCI bus or an EISA bus, etc.
  • the bus can be divided into address bus, data bus, control bus, etc. For ease of presentation, only one bidirectional arrow is used in Figures 3 and 4, but it does not mean that there is only one bus or one type of bus.
  • This embodiment also provides a computer-readable storage medium, such as a floppy disk, an optical disk, a hard disk, a flash memory, a U disk, a secure digital (SD) card, a multimedia (MMC) card, etc., in which the computer-readable storage medium stores One or more programs that implement each of the above steps can be executed by one or more processors to implement each step of the methods in the above embodiments, which will not be described again here.
  • a computer-readable storage medium such as a floppy disk, an optical disk, a hard disk, a flash memory, a U disk, a secure digital (SD) card, a multimedia (MMC) card, etc.

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Abstract

本申请提供一种网络制式切换方法、终端、服务器及存储介质，当终端通过第一基站接入第一网络制式时，获取用于表征终端当前所处位置的位置特征信息，并将该位置特征信息上报给服务器，以供服务器向终端发送指示终端切换至第二网络制式的切换指令，使得终端可以通过第二基站接入第二网络制式，通过本申请提供的方案，在第一基站没有配置第二基站的信息的情况下时，终端也可以完成从第一网络制式至第二网络制式的切换。

Description

一种网络制式切换方法、终端、服务器及存储介质
相关申请的交叉引用
本申请要求于2022年08月31日提交中国专利局的申请号为2022110557425，名称为“一种网络制式切换方法、终端、服务器及存储介质”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域，具体而言，涉及一种网络制式切换方法、终端、服务器及存储介质。
背景技术
小区，随着通信技术的迅速发展，移动通信经历了2G、3G、4G、5G几个阶段的演变过程。
目前，当第一网络制式对应的基站没有配置第二网络制式对应的基站的信息时，终端无法切换至第二网络制式。比如，终端从高级别网络制式回落到低级别网络制式时，终端的数据传输也会从高级别网络制式回落到低级别网络制式。但是早期建设的可提供低级别网络制式的基站都没有配置高级别网络制式对应的基站的信息，比如，早期建设的2G基站通常没有配置4G或5G基站作为邻近小区。当终端接入低级别网络制式对应的基站时，低级别网络制式对应的基站无法指示该终端切回高级别网络制式，导致终端一直处于低级别网络制式，造成用户体验较差。
申请内容
本申请实施例的目的在于提供一种网络制式切换方法、终端、服务器及存储介质，以解决现有技术中当终端接入某一网络制式时，若该网络制式对应的基站没有配置另一网络制式对应的基站的信息时，终端无法切换至另一网络制式的问题。
为实现上述目的，本申请提供的技术方案包括：
第一方面，提供一种网络制式切换方法，应用于终端，所述方法包括：
当所述终端通过第一基站接入第一网络制式时，获取用于表征所述终端当前所处位置的位置特征信息；
将所述位置特征信息发送给服务器，以供所述服务器根据所述位置特征信息确定当前存在所述终端可接入的第二基站时，向所述终端发送用于指示所述终端切换至第二网络制式的切换指令；所述第二基站为可提供所述第二网络制式的基站；
在接收到所述切换指令时，通过所述第二基站接入所述第二网络制式。
在上述实施方式中，终端上报位置特征信息给服务器，以供服务器向终端发送指示终端切换至第二网络制式的切换指令，使得终端可以通过第二基站接入第二网络制式，通过上述方案，在第一基站没有配置第二基站的信息的情况下时，终端也可以完成从第一网络制式至第二网络制式的切换。
结合第一方面，在一些可选的实施方式中，所述位置特征信息包括所述终端当前所处位置的终端位置坐标或所述第一基站的基站标识。
在上述实施方式中，一方面，终端可以直接向服务器上报终端位置坐标，由于服务器可以直接获取到该终端位置坐标，可以提升服务器的工作效率，从而可以使终端尽快完成从第一网络制式到第二网络制式的切换；另一方面，终端可以向服务器上报第一基站的基站标识，即使在网络环境较差的环境下，也能完成第一基站的基站标识的获取，所以可以适用于网络环境较差的场景，提升了方案的普适性。
结合第一方面，在一些可选的实施方式中，在所述位置特征信息包括所述第一基站的基站标识时，所述位置特征信息还包括：所述终端当前所接入的第一基站的小区的小区标识，和/或所述终端与所述第一基站通信时的信号强度信息。
在上述实施方式中，终端获取的位置特征信息包括终端当前所接入的第一基站的小区的小区标识，和/或终端与第一基站通信时的信号强度信息，以便于服务器根据该位置特征信息对终端当前所处的位置进行更精确的定位，可以提升对终端定位的准确性。
结合第一方面，在一些可选的实施方式中，在所述获取用于表征所述终端当前所处位置的位置特征信息之前，所述方法包括：
确定所述终端当前处于数据传输状态。
上述实施方式，适用于终端当前处于数据传输状态的场景，终端在处于数据传输状态时，也可以从第一网络制式切换至第二网络制式。
第二方面，本申请还提供一种网络制式切换方法，应用于服务器，所述方法包括：
接收终端发送的位置特征信息；所述位置特征信息为所述终端通过第一基站接入第一网络制式时，获取的用于表征所述终端当前所处位置的特征信息；
根据所述位置特征信息确定当前存在所述终端可接入的第二基站时，向所述终端发送用于指示所述终端切换至第二网络制式的切换指令，以供所述终端在接收到所述切换指令时，通过所述第二基站接入所述第二网络制式；所述第二基站为可提供所述第二网络制式的基站。
在上述实施方式中，服务器可以根据接收的位置特征信息判断当前是否存在终端可接入的第二基站，在判定结果为是时，向终端发送切换指令，使得终端可以通过第二基站接入第二网络制式，通过上述方案，在第一基站没有配置第二基站的信息的情况下时，终端也可以完成从第一网络制式至第二网络制式的切换。
结合第二方面，在一些可选的实施方式中，所述服务器中存储有可提供所述第二网络制式的基站的基站位置信息；
在所述位置特征信息包括所述终端当前所处位置的终端位置坐标时，所述根据所述位置特征信息确定当前存在所述终端可接入的第二基站，包括：
根据所述基站位置信息和所述终端位置坐标，确定所述终端位于某一所述基站的基站信号覆盖范围内时，将该基站作为当前所述终端可接入的第二基站；
在所述位置特征信息包括所述第一基站的基站标识时，所述根据所述位置特征信息确定当前存在所述终端可接入的第二基站，包括：
根据所述第一基站的基站标识确定所述终端当前所处位置的终端位置坐标，根据所述基站位置信息和所述终端位置坐标，确定所述终端位于某一所述基站的基站信号覆盖范围内时，将该基站作为当前所述终端可接入的第二基站。
在上述实施方式中，一方面，服务器可以直接根据基站位置信息和接收到的终端位置坐标，确定该终端附近是否存在第二基站，由于服务器可以直接获取到该终端位置坐标，可以提升服务器的工作效率，从而可以使终端尽快完成从第一网络制式到第二网络制式的切换；另一方面，服务器可以根据第一基站的基站标识确定终端当前所处位置的终端位置坐标，然后再根据基站位置信息和该终端位置坐标，确定该终端附近是否存在第二基站，可以适用于网络环境较差的场景，提升了方案的普适性。
结合第二方面，在一些可选的实施方式中，所述方法还包括：
当确定所述终端位于多个所述基站的基站信号覆盖范围内时，将距离所述终端最近的基站作为当前所述终端可接入的第二基站。
在上述的实施方式中，优先接入距离该终端最近的基站，可以提升基于第二网络制 式进行通信的通信质量。
第三方面，本申请还提供一种终端，包括第一处理器和第一存储器，所述第一存储器中存储有第一计算机程序，所述第一处理器执行所述第一计算机程序，以实现上述任意一项应用于所述终端的方法。
第四方面，本申请还提供一种服务器，包括第二处理器和第二存储器，所述第二存储器中存储有第二计算机程序，所述第二处理器执行所述第二计算机程序，以实现上述任意一项应用于所述服务器的方法。
第五方面，本申请还提供一种计算机可读存储介质，所述计算机可读存储介质存储有计算机程序，所述第三计算机程序被至少一个处理器执行时，以实现上述任意一种方法。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对本申请实施例中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本申请的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。
图1为本申请实施例提供的应用于终端的网络制式切换方法的流程示意图；
图2为本申请实施例提供的应用于服务器的网络制式切换方法的流程示意图；
图3为本申请实施例提供的终端的结构示意图；
图4为本申请实施例提供的服务器的结构示意图。
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仅用以解释本申请，并不用于限定本申请。
需要说明的是，在本发明实施例中涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也 不在本发明要求的保护范围之内。
在本发明的描述中，需要理解的是，步骤前的数字标号并不表示执行步骤的前后顺序，仅用于方便描述本发明及区别每一步骤，因此不能理解为对本发明的限制。
下面，通过具体实施例对本申请的技术方案进行详细说明。
需要说明的是，下面的具体实施例可以互相结合，对于相同或相似的概念或过程可能在某些实施例中不再赘述。
图1为本申请实施例提供的一种网络制式切换方法的流程示意图，该方法可以应用于终端，终端可以是手机、电脑、平板电脑等任意可以与基站通信的设备。该方法可以包括如下步骤：
S11：当终端通过第一基站接入第一网络制式时，获取用于表征终端当前所处位置的位置特征信息。
S12：将位置特征信息发送给服务器，以供服务器根据该位置特征信息确定当前存在该终端可接入的第二基站时，向该终端发送用于指示该终端切换至第二网络制式的切换指令；第二基站为可提供第二网络制式的基站。
S13：在接收到切换指令时，通过第二基站接入第二网络制式。
下面对上述步骤的具体过程进行详细阐述。
应当说明的是，步骤S11中的位置特征信息可以是任意可以表征终端当前所处位置的信息。
在一种可选的实施方式中，位置特征信息包括终端当前所处位置的终端位置坐标，该终端位置坐标可以直接表征终端当前所处的位置。在本实施方式中，终端可以通过定位模块，比如通过GPS模块获取终端当前所处位置的终端位置坐标，然后将该终端位置坐标发送给服务器，以供服务器根据该终端位置坐标判断当前是否存在该终端可接入的第二基站。
在另外一种可选的实施方式中，位置特征信息包括可以间接表征终端当前所处位置的信息，比如，可以包括第一基站的基站标识，不同的基站其对应的基站标识不同，终端当前与第一基站连接，说明终端当前处于第一基站的基站信号覆盖范围内，所以第一基站的基站标识可以间接表征终端当前所处的位置。在本实施方式中，终端可以获取当前自身连接的第一基站的基站标识，将该基站标识发送给服务器，以供服务器根据该基站标识确定终端当前所处位置的终端位置坐标，再根据该终端位置坐标判断当前是否存 在该终端可接入的第二基站。当终端处于网络质量较差的场景中时，例如地下车库时，由于网络信号较差，所以难以通过GPS模块对终端进行定位，此时通过获取基站标识，将基站标识发送给服务器，由服务器根据基站标识对终端进行定位。
本申请实施例中的基站标识可以是任意可以表征基站唯一身份的标识，比如可以由LAC(位置区域码)和CID(基站编号)组成。
可以理解的是，本申请实施例中的服务器中，预先存储有多个基站的基站位置信息，具体的，可以存储各基站的基站标识和基站位置信息的对应关系。
服务器在接收到终端发送的第一基站的基站标识后，可以根据该基站标识查询第一基站的基站位置信息，根据该第一基站的基站位置信息可以预估终端的终端位置坐标。比如，可以直接将第一基站的基站位置信息(基站位置坐标)作为终端当前的终端位置坐标，然后基于该终端位置坐标再判断是否存在对应的第二基站。
示例性的，为了更精确的实现对终端的定位，在位置特征信息包括第一基站的基站标识时，位置特征信息还可以包括：终端当前所接入的第一基站的小区的小区标识，和/或终端与第一基站通信时的信号强度信息。
每一基站的各小区覆盖的范围是固定的，服务器中可以预先存储各基站的基站标识与基站位置信息的对应关系，同时，针对每一基站存储有其对应的小区标识，并针对每一小区，存储有对应的小区覆盖范围的信息。服务器在接收终端发送的第一基站的基站标识和当前所接入的小区的小区标识后，就可以根据该基站标识查询到与该基站对应的小区，再根据终端发送的小区标识查询到对应的小区覆盖范围，根据该小区覆盖范围便可预估终端当前的终端位置坐标。比如可以将小区覆盖范围中的中间点作为终端当前的位置点，然后再基于该位置点判断是否存在对应的第二基站。
当位置特征信息包括终端与第一基站通信时的信号强度信息时，可以根据该信号强度信息预估终端与第一基站的距离，服务器在按照上述方式得到第一基站的基站位置信息后，根据该距离预估终端当前的终端位置坐标。
示例性的，在获取用于表征终端当前所处位置的位置特征信息之前，还可以确定终端当前处于数据传输状态，当终端处于数据传输状态时，对网络质量要求较高，因此需要及时将终端从第一网络制式切换至第二网络制式。
可以理解的是，服务器向终端发送的切换指令中可以包括第二基站的基站标识，比如可以包括第二基站的LAC和CID，终端在接收到服务器发送的切换指令后，可以先 暂停当前的数据传输过程，根据切换指令中的基站标识向对应的第二基站发送驻网申请，当通过第二基站接入第二网络制式时，再恢复数据传输。
示例性的，步骤S11还可以包括：在确定终端与第二网络制式的连接状态断开，并通过第一基站接入第一网络制式时，再获取用于表征终端当前所处位置的位置特征信息。这样可以保证终端从第二网络制式切换至第一网络制式后，可以再次切换回第二网络制式，以保证终端尽可能连接在第二网络制式上。
图2为本申请实施例提供的一种网络制式切换方法的流程示意图，该方法可以应用于服务器，本申请实施例中的服务器中可以预先存储各基站的基站位置信息，其中，上述提及的第一基站和第二基站的基站位置信息均可以预先存储在该服务器中，该方法包括：
S21：接收终端发送的位置特征信息；位置特征信息为终端通过第一基站接入第一网络制式时，获取的用于表征终端当前所处位置的特征信息。
S22：根据位置特征信息确定当前存在终端可接入的第二基站时，向终端发送用于指示终端切换至第二网络制式的切换指令，以供终端在接收到切换指令时，通过第二基站接入第二网络制式；第二基站为可提供第二网络制式的基站。
应当说明的是，本申请实施例中的服务器中还可以预先存储有可提供第二网络制式的各基站的基站位置信息。当然，在其他的实施例中，可提供第二网络制式的各基站的基站位置信息也可以由该服务器从其他设备处获取得到。
在位置特征信息包括终端当前所处位置的终端位置坐标时，对于步骤S22而言，可以在根据各基站位置信息和终端位置坐标，确定终端位于某一基站的基站信号覆盖范围内时，将该基站作为当前该终端可接入的第二基站。
在位置特征信息包括第一基站的基站标识时，对于步骤S22而言，可以根据第一基站的基站标识确定终端当前所处位置的终端位置坐标，然后根据各基站位置信息和终端位置坐标，确定终端位于某一基站的基站信号覆盖范围内时，将该基站作为当前终端可接入的第二基站。
下面对根据基站位置信息和终端位置坐标，判断终端是否位于对应基站的基站信号覆盖范围内的过程进行说明。
假设确定出终端位置坐标为(x1，y1)，可提供第二网络制式的基站的基站位置坐标为(x2，y2)，若存在
Figure PCTCN2022137499-appb-000001
则确定终端位于该基站的基站 信号覆盖范围内，若
Figure PCTCN2022137499-appb-000002
则确定终端未处于该基站的基站信号覆盖范围内，其中，r为基站的基站信号覆盖半径，该值可以预先存储在服务器中。
示例性的，当确定终端位于多个可提供第二网络制式的基站的基站信号覆盖范围内时，可将距离该终端最近的基站作为当前终端可接入的第二基站。
服务器可以向终端下发切换指令，通知终端附近有第二基站可以切换，终端在接收到该切换指令后通过该第二基站接入第二网络制式。
可以理解的是，在实际应用中，第一网络制式和第二网络制式可以是任意的网络制式，只要两者不同即可。可选的，第二网络制式的网络级别高于第一网络制式，或者说，第二网络制式的网络优先级高于第一网络制式的网络优先级。比如，第一网络制式可以是GSM(Global System for Mobile Communications，全球移动通信系统)网络制式或WCDMA(Wideband Code Division Multiple Access，宽带码分多址)网络制式，第二网络制式可以是LTE(Long Term Evolution，长期演进技术)网络制式。
基于同一发明构思，本申请实施例还提供一种终端，请参见图3所示，包括第一处理器301和第一存储器302，第一存储器302中存储有第一计算机程序，第一处理器301执行第一计算机程序，以实现上述任意一种应用于终端的网络制式切换方法。
基于同一发明构思，本申请实施例还提供一种服务器，请参见图4所示，包括第二处理器302和第二存储器402，第二存储器402中存储有第二计算机程序，第二处理器302执行第二计算机程序，以实现上述任意一种应用于服务器的网络制式切换方法。
应当说明的是，终端和服务器还可包括比图3和图4中所示更多或者更少的组件，或者具有与图3和图4所示不同的配置。
第一处理器301和第二处理器302可以是一种集成电路芯片，具有信号处理能力。在实现过程中，上述方法的各步骤可以通过第一处理器301和第二处理器302中的硬件的集成逻辑电路或者软件形式的指令完成。上述第一处理器301和第二处理器302可以是通用处理器，包括中央处理器(Central Processing Unit，简称CPU)、网络处理器(Network Processor，简称NP)等；还可以是数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本发明实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本发明实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及 软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。
第一存储器302和第二存储器402包括但不限于随机存取存储器(RAM)，只读存储器(ROM)，可编程只读存储器(PROM)，可擦除只读存储器(EPROM)，电可擦除只读存储器(EEPROM)等。本申请实施例中，第一存储器302和第二存储器402存储了执行网络制式切换方法所需要的程序。
第一处理器301和第一存储器302通过第一通信总线连接，第二处理器302和第二存储器402通过第二通信总线连接，总线可以是ISA总线、PCI总线或EISA总线等。总线可以分为地址总线、数据总线、控制总线等。为便于表示，图3和图4中仅用一个双向箭头表示，但并不表示仅有一根总线或一种类型的总线。
本实施例还提供了一种计算机可读存储介质，如软盘、光盘、硬盘、闪存、U盘、安全数码(SD)卡、多媒体(MMC)卡等，在该计算机可读存储介质中存储有实现上述各个步骤的一个或者多个程序，这一个或者多个程序可被一个或者多个处理器执行，以实现上述各实施例中方法的各步骤，在此不再赘述。
上述本发明实施例序号仅仅为了描述，不代表实施例的优劣。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件实现，但很多情况下前者是更佳的实施方式。
以上所述仅为本申请的实施例而已，并不用于限制本申请的保护范围，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (10)

  1. 一种网络制式切换方法，其特征在于，应用于终端，所述方法包括：
    当所述终端通过第一基站接入第一网络制式时，获取用于表征所述终端当前所处位置的位置特征信息；
    将所述位置特征信息发送给服务器，以供所述服务器根据所述位置特征信息确定当前存在所述终端可接入的第二基站时，向所述终端发送用于指示所述终端切换至第二网络制式的切换指令；所述第二基站为可提供所述第二网络制式的基站；
    在接收到所述切换指令时，通过所述第二基站接入所述第二网络制式。
  2. 如权利要求1所述的网络制式切换方法，其特征在于，所述位置特征信息包括所述终端当前所处位置的终端位置坐标或所述第一基站的基站标识。
  3. 如权利要求2所述的网络制式切换方法，其特征在于，在所述位置特征信息包括所述第一基站的基站标识时，所述位置特征信息还包括：所述终端当前所接入的第一基站的小区的小区标识，和/或所述终端与所述第一基站通信时的信号强度信息。
  4. 如权利要求1-3任一项所述的网络制式切换方法，其特征在于，在所述获取用于表征所述终端当前所处位置的位置特征信息之前，所述方法包括：
    确定所述终端当前处于数据传输状态。
  5. 一种网络制式切换方法，其特征在于，应用于服务器，所述方法包括：
    接收终端发送的位置特征信息；所述位置特征信息为所述终端通过第一基站接入第一网络制式时，获取的用于表征所述终端当前所处位置的特征信息；
    根据所述位置特征信息确定当前存在所述终端可接入的第二基站时，向所述终端发送用于指示所述终端切换至第二网络制式的切换指令，以供所述终端在接收到所述切换指令时，通过所述第二基站接入所述第二网络制式；所述第二基站为可提供所述第二网络制式的基站。
  6. 如权利要求5所述的网络制式切换方法，其特征在于，所述服务器中存储有可提供所述第二网络制式的基站的基站位置信息；
    在所述位置特征信息包括所述终端当前所处位置的终端位置坐标时，所述根据所述位置特征信息确定当前存在所述终端可接入的第二基站，包括：
    根据所述基站位置信息和所述终端位置坐标，确定所述终端位于某一所述基站的基站信号覆盖范围内时，将该基站作为当前所述终端可接入的第二基站；
    在所述位置特征信息包括所述第一基站的基站标识时，所述根据所述位置特征信息确定当前存在所述终端可接入的第二基站，包括：
    根据所述第一基站的基站标识确定所述终端当前所处位置的终端位置坐标，根据所述基站位置信息和所述终端位置坐标，确定所述终端位于某一所述基站的基站信号覆盖范围内时，将该基站作为当前所述终端可接入的第二基站。
  7. 如权利要求6所述的网络制式切换方法，其特征在于，所述方法还包括：
    当确定所述终端位于多个所述基站的基站信号覆盖范围内时，将距离所述终端最近的基站作为当前所述终端可接入的第二基站。
  8. 一种终端，其特征在于，包括第一处理器和第一存储器，所述第一存储器中存储有第一计算机程序，所述第一处理器执行所述第一计算机程序，以实现如权利要求1-4中任意一项所述的方法。
  9. 一种服务器，其特征在于，包括第二处理器和第二存储器，所述第二存储器中存储有第二计算机程序，所述第二处理器执行所述第二计算机程序，以实现如权利要求5-7中任意一项所述的方法。
  10. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质存储有第三计算机程序，所述计算机程序被至少一个处理器执行时，以实现如权利要求1-7中任意一项所述的方法。
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