WO2021226803A1 - 基站切换方法、装置、通信设备及存储介质 - Google Patents

基站切换方法、装置、通信设备及存储介质 Download PDF

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Publication number
WO2021226803A1
WO2021226803A1 PCT/CN2020/089672 CN2020089672W WO2021226803A1 WO 2021226803 A1 WO2021226803 A1 WO 2021226803A1 CN 2020089672 W CN2020089672 W CN 2020089672W WO 2021226803 A1 WO2021226803 A1 WO 2021226803A1
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WIPO (PCT)
Prior art keywords
sim
base station
information
request
sent
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PCT/CN2020/089672
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English (en)
French (fr)
Inventor
洪伟
Original Assignee
北京小米移动软件有限公司
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Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2020/089672 priority Critical patent/WO2021226803A1/zh
Priority to CN202080000966.9A priority patent/CN111727629B/zh
Priority to EP20936060.1A priority patent/EP4152818A4/en
Priority to US17/924,323 priority patent/US20230189379A1/en
Publication of WO2021226803A1 publication Critical patent/WO2021226803A1/zh

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    • 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
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
    • 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
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • 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
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/34—Modification of an existing route
    • H04W40/36—Modification of an existing route due to handover
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/20—Transfer of user or subscriber 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/20—Interfaces between hierarchically similar devices between access points

Definitions

  • This application relates to the field of wireless communication technology but is not limited to the field of wireless communication technology, and in particular to base station handover methods, devices, communication equipment, and storage media.
  • RRC Radio Resource Control
  • NAS Non-Access Stratum
  • NG Next Generation
  • the last serving base station When the terminal enters the inactive state, the last serving base station stores the context information of the terminal and the NG connection with the serving core network.
  • the access layer (AS, Access Stratum) of the terminal also stores the corresponding context information, including: bearer, non-active Active identification, attribution zone, etc.
  • the base station can page to the inactive terminal within the configured area through the radio access network paging mechanism, and the terminal can resume data transmission based on the context information stored on the terminal side and the base station side.
  • the embodiments of the present disclosure provide a base station handover method, device, communication equipment, and storage medium.
  • a base station handover method which is applied to a terminal, and the method includes:
  • the terminal In response to the terminal switching the first subscriber identity module (SIM, Subscriber Identity Module) from the first base station to the second base station, it sends the second SIM information to the second base station, where the second SIM information is used To camp the second SIM in the inactive state at the second base station, where the first SIM is in the connected state.
  • SIM Subscriber Identity Module
  • the method further includes:
  • a camping instruction sent by the second base station in response to the information of the second SIM is received, where the camping instruction is used to instruct to camp the second SIM to the first SIM.
  • the method further includes:
  • the camping of the second SIM to the second base station in response to receiving the camping instruction includes:
  • the receiving the camping indication sent by the second base station in response to the information of the second SIM includes at least one of the following:
  • MAC CE Media Access Control element
  • PDCCH Physical Downlink Control Channel
  • the camping indication includes an indication that the communication path of the second SIM is successfully handed over from the base station where the second SIM currently camps to the second base station.
  • the base station where the second SIM currently resides includes: the first base station.
  • the sending the second SIM information to the second base station includes:
  • the RRC reconfiguration complete signaling carrying the information of the second SIM is sent to the second base station through the first SIM.
  • the information of the second SIM includes: identification information and status information of the second SIM.
  • a base station handover method wherein, when applied to a second base station, the method includes:
  • the determining to switch the second SIM in an inactive state from the base station where the second SIM currently resides to the second base station based on the information of the second SIM includes the following At least one of the items:
  • the resident base station of the second SIM in the inactive state is removed from all the base stations.
  • the base station where the second SIM currently resides is switched to the second base station.
  • the obtaining the context information of the second SIM from the base station where the second SIM currently resides based on the information of the second SIM includes:
  • the requesting the core network to switch the communication path of the second SIM to the second base station includes:
  • a path switching request is sent to the core network.
  • the path switching request is used to request the core network to connect the core network with the Switching the communication path of the second SIM from the base station where the second SIM currently resides to the second base station;
  • the determining that the core network switches the communication path of the second SIM to the second base station includes:
  • the path switching success indication it is determined that the communication path of the second SIM is successfully switched from the base station where the second SIM currently resides to the second base station.
  • the method further includes:
  • the camping instruction is used to instruct to camp the second SIM to the second base station.
  • the camping indication includes an indication that the communication path of the second SIM is successfully handed over from the base station where the second SIM currently camps to the second base station.
  • the sending a camping instruction to the first SIM includes:
  • the information of the second SIM sent by the receiving terminal includes:
  • the information of the second SIM includes: identification information and status information of the second SIM.
  • the base station where the second SIM currently resides includes: the first base station.
  • a base station handover method wherein, when applied to a first base station, the method includes:
  • the context information of the SIM is sent to the second base station.
  • the receiving the context information request sent by the second base station includes:
  • the context information of the SIM sent to the second base station includes:
  • a base station handover device which is applied to a terminal, and the device includes: a first sending module, wherein:
  • the first sending module is configured to send information about the second SIM to the second base station in response to the terminal switching the first SIM from the first base station to the second base station, where the information about the second SIM is used To camp the second SIM in the inactive state at the second base station, where the first SIM is in the connected state.
  • the device further includes:
  • the first receiving module is configured to receive, through the first SIM, a camping instruction sent by the second base station in response to the information of the second SIM, wherein the camping instruction is used to instruct to transfer the second SIM
  • the two SIM resides in the second base station.
  • the device further includes:
  • the first control module is configured to camp the second SIM to the second base station in response to receiving the camp indication.
  • the first control module includes:
  • the first control submodule is configured to, in response to the first SIM forwarding the received camp indication to the second SIM, camp the second SIM to the second base station.
  • the first receiving module includes at least one of the following:
  • the first receiving submodule is configured to receive radio resource control RRC signaling carrying the camping indication sent by the second base station;
  • the second receiving submodule is configured to receive the MAC CE signaling of the media access control unit carrying the camping indication sent by the second base station;
  • the third receiving submodule is configured to receive the physical downlink control channel PDCCH signaling carrying the camping indication sent by the second base station.
  • the camping indication includes an indication that the communication path of the second SIM is successfully handed over from the base station where the second SIM currently camps to the second base station.
  • the base station where the second SIM currently resides includes: the first base station.
  • the first sending module includes:
  • the first sending submodule is configured to send the RRC reconfiguration complete signaling carrying the information of the second SIM to the second base station through the first SIM.
  • the information of the second SIM includes: identification information and status information of the second SIM.
  • a base station handover device which is applied to a second base station, and the device includes: a second receiving module and a second control module, wherein,
  • the second receiving module is configured to receive information about the second SIM sent by the terminal, where the second SIM is sent in response to the first SIM handover from the first base station to the second base station, and the second SIM The information is used to camp a second SIM in an inactive state at the second base station, where the first SIM is in a connected state;
  • the second control module is configured to determine, based on the information of the second SIM, to switch the second SIM in an inactive state from the base station where the second SIM currently resides to the second base station.
  • the second control module includes at least one of the following:
  • the first obtaining submodule is configured to obtain the context information of the second SIM from the base station where the second SIM currently resides based on the information of the second SIM;
  • a request submodule configured to request the core network to switch the communication path of the second SIM to the second base station;
  • the second control sub-module is configured to respond to the successful acquisition of the context information of the second SIM and determine that the core network switches the communication path of the second SIM to the second base station, and the second base station that is in the inactive state will be switched to the second base station.
  • the base station where the second SIM resides is switched from the base station where the second SIM currently resides to the second base station.
  • the first obtaining submodule includes:
  • a sending unit configured to send a context information request to the base station where the second SIM currently resides based on the information of the second SIM, where the context information request is used to request the context information of the second SIM;
  • the first receiving unit receives the context information of the second SIM that is sent by the base station where the second SIM currently resides in response to the context information request.
  • the request submodule includes:
  • the request unit is configured to send a path switch request to the core network based on the received context information sent by the base station where the second SIM currently resides, and the path switch request is used to request the core network to transfer all Switching the communication path between the core network and the second SIM from the base station where the second SIM currently resides to the second base station;
  • the second control sub-module includes:
  • the second receiving unit is configured to receive the path switching success indication sent by the core network in response to the path switching request;
  • the determining unit is configured to determine, according to the path switching success indication, that the communication path of the second SIM is successfully switched from the base station where the second SIM currently resides to the second base station.
  • the device further includes:
  • the second sending module is configured to send a camping instruction to the first SIM; the camping instruction is used to instruct the second SIM to camp on the second base station.
  • the camping indication includes an indication that the communication path of the second SIM is successfully handed over from the base station where the second SIM currently camps to the second base station.
  • the second sending module includes:
  • the second sending submodule is configured to send radio resource control RRC signaling carrying the camping indication to the first SIM;
  • the third sending submodule is configured to send the MAC CE signaling of the media access control unit carrying the stay indication to the first SIM;
  • the fourth sending submodule is configured to send the physical downlink control channel PDCCH signaling carrying the stay indication to the first SIM.
  • the second receiving module includes:
  • the fourth receiving submodule is configured to receive the RRC reconfiguration complete signaling that carries the information of the second SIM and is sent by the first SIM to the second base station.
  • the information of the second SIM includes: identification information and status information of the second SIM.
  • the base station where the second SIM currently resides includes: the first base station.
  • a base station switching device which is applied to a first base station, and the device includes: a third receiving module and a third sending module, wherein,
  • the third receiving module is configured to receive a context information request sent by a second base station, where the context information request is used to request context information of a subscriber identification module SIM in an inactive state;
  • the third sending module is configured to send the context information of the SIM to the second base station in response to receiving the context information request.
  • the third receiving module includes:
  • a fifth receiving submodule configured to receive a context information request sent by the first base station through an inter-base station interface between the first base station and the second base station;
  • the third sending module includes:
  • the fifth sending submodule is configured to send the context information of the SIM to the second base station through the interface between the base stations.
  • a communication device including a processor, a transceiver, a memory, and an executable program stored on the memory and capable of being run by the processor, and the processor runs the When the program is executed, the steps of the base station handover method described in the first aspect or the second aspect or the third aspect are executed.
  • a storage medium on which an executable program is stored.
  • the executable program is executed by a processor, the base station as described in the first or second or third aspects is implemented Steps to switch methods.
  • the terminal sends the second SIM information to the second base station in response to the terminal switching the first SIM from the first base station to the second base station, wherein the The information of the second SIM is used to camp the second SIM in the inactive state at the second base station, where the first SIM is in the connected state.
  • the resident base station of the second SIM is switched from the first base station to the second base station, reducing the inability of the second SIM to communicate with the base station signal changes or terminal movement.
  • the first base station resumes the RRC connection and the base station where the second SIM currently resides cannot page the second SIM, which improves the communication success rate.
  • Fig. 1 is a schematic structural diagram showing a wireless communication system according to an exemplary embodiment
  • Fig. 2 is a schematic flow chart showing a method for base station handover according to an exemplary embodiment
  • Fig. 3 is a schematic flowchart showing another base station handover method according to an exemplary embodiment
  • Fig. 4 is a schematic flowchart showing another base station handover method according to an exemplary embodiment
  • Fig. 5 is a schematic flowchart showing another base station handover method according to an exemplary embodiment
  • Fig. 6 is a block diagram showing a base station handover device according to an exemplary embodiment
  • Fig. 7 is a block diagram showing another base station handover device according to an exemplary embodiment
  • Fig. 8 is a block diagram showing still another base station handover device according to an exemplary embodiment
  • Fig. 9 is a block diagram showing a device for base station handover according to an exemplary embodiment.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as second information, and similarly, the second information may also be referred to as first information.
  • word “if” as used herein can be interpreted as "when” or "when” or "in response to determination”.
  • FIG. 1 shows a schematic structural diagram of a wireless communication system provided by an embodiment of the present disclosure.
  • the wireless communication system is a communication system based on cellular mobile communication technology.
  • the wireless communication system may include several terminals 11 and several base stations 12.
  • the terminal 11 may be a device that provides voice and/or data connectivity to the user.
  • the terminal 11 can communicate with one or more core networks via a radio access network (Radio Access Network, RAN).
  • the terminal 11 can be an Internet of Things terminal, such as a sensor device, a mobile phone (or “cellular” phone), and
  • the computer of the Internet of Things terminal for example, may be a fixed, portable, pocket-sized, handheld, built-in computer or vehicle-mounted device.
  • station For example, station (Station, STA), subscriber unit (subscriber unit), subscriber station (subscriber station), mobile station (mobile station), mobile station (mobile), remote station (remote station), access point, remote terminal ( remote terminal), access terminal (access terminal), user device (user terminal), user agent (user agent), user equipment (user device), or user terminal (user equipment, UE).
  • the terminal 11 may also be a device of an unmanned aerial vehicle.
  • the terminal 11 may also be a vehicle-mounted device, for example, it may be a trip computer with a wireless communication function, or a wireless communication device connected to the trip computer.
  • the terminal 11 may also be a roadside device, for example, it may be a street lamp, signal lamp, or other roadside device with a wireless communication function.
  • the base station 12 may be a network side device in a wireless communication system.
  • the wireless communication system may be the 4th generation mobile communication (4G) system, also known as the Long Term Evolution (LTE) system; or, the wireless communication system may also be a 5G system, Also known as new radio (NR) system or 5G NR system.
  • the wireless communication system may also be the next-generation system of the 5G system.
  • the access network in the 5G system can be called NG-RAN (New Generation-Radio Access Network). Or, MTC system.
  • the base station 12 may be an evolved base station (eNB) used in a 4G system.
  • the base station 12 may also be a base station (gNB) adopting a centralized and distributed architecture in the 5G system.
  • eNB evolved base station
  • gNB base station
  • the base station 12 adopts a centralized distributed architecture it usually includes a centralized unit (CU) and at least two distributed units (DU).
  • the centralized unit is provided with a packet data convergence protocol (Packet Data Convergence Protocol, PDCP) layer, a radio link layer control protocol (Radio Link Control, RLC) layer, and a media access control (Media Access Control, MAC) layer protocol stack; distribution
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC media access control
  • the unit is provided with a physical (Physical, PHY) layer protocol stack, and the embodiment of the present disclosure does not limit the specific implementation manner of the base station 12.
  • a wireless connection can be established between the base station 12 and the terminal 11 through a wireless air interface.
  • the wireless air interface is a wireless air interface based on the fourth-generation mobile communication network technology (4G) standard; or, the wireless air interface is a wireless air interface based on the fifth-generation mobile communication network technology (5G) standard, such as The wireless air interface is a new air interface; or, the wireless air interface may also be a wireless air interface based on a 5G-based next-generation mobile communication network technology standard.
  • an E2E (End to End) connection may also be established between the terminals 11.
  • V2V vehicle to vehicle
  • V2I vehicle to Infrastructure
  • V2P vehicle to pedestrian
  • the above-mentioned wireless communication system may further include a network management device 13.
  • the network management device 13 may be a core network device in a wireless communication system.
  • the network management device 13 may be a mobility management entity (Mobility Management Entity) in an Evolved Packet Core (EPC) network. MME).
  • the network management device may also be other core network devices, such as Serving GateWay (SGW), Public Data Network GateWay (PGW), Policy and Charging Rules function unit (Policy and Charging Rules). Function, PCRF) or Home Subscriber Server (HSS), etc.
  • SGW Serving GateWay
  • PGW Public Data Network GateWay
  • Policy and Charging Rules function unit Policy and Charging Rules
  • Function PCRF
  • HSS Home Subscriber Server
  • the execution subjects involved in the embodiments of the present disclosure include, but are not limited to: terminals and base stations that support multi-user identification modules.
  • the application scenario of the embodiments of the present disclosure is that with the development of wireless communication technology, there are more and more multi-user identity module (SIM, Subscriber Identity Module) terminals on the market.
  • SIM Subscriber Identity Module
  • the processing methods for multi-card terminals are mainly based on the implementation of various terminal manufacturers, and there is no unified standard for regulation, which leads to many different terminal behaviors and processing methods, such as: dual-card single-standby, dual-card dual-standby single Pass, dual card, dual standby, dual pass, etc.).
  • the current network regards different SIMs as different terminals, and each SIM card communicates with the network separately without any cooperation between each other.
  • this exemplary embodiment provides a base station handover method.
  • the base station handover method can be applied to wireless communication devices such as terminals in a mobile communication network, and includes:
  • Step 201 In response to the terminal switching the first SIM from the first base station to the second base station, send information about the second SIM to the second base station, where the information about the second SIM is used to put the information in the inactive state.
  • the second SIM of resident resides in the second base station, wherein the first SIM is in a connected state.
  • the terminal may be a multi-SIM terminal, and the behavior mode of the terminal may be dual-card dual-standby single-pass, dual-card dual-standby dual-pass, and the like.
  • the mobile communication network may include a 4G mobile communication network or a 5G mobile communication network.
  • the first SIM and the second SIM are the same SIMs in the multi-SIM terminal, but are different SIMs.
  • the SIM may be a SIM card in the form of a separate individual or an integrated subscriber identification module (e-SIM, embedded Subscriber Identification Module) that exists inside the terminal in an integrated form, and so on.
  • e-SIM embedded Subscriber Identification Module
  • the first SIM can be in a connected state.
  • the first base station may be the base station where the first SIM currently resides.
  • the second SIM in the inactive state may also be the SIM that resides in the first base station, and the second SIM may also reside in other base stations.
  • the base station where the second SIM in the inactive state resides is called an anchor base station.
  • the paging information sent by the core network to the second SIM is forwarded to the second SIM through the anchor base station, and when the second SIM switches from the inactive state to the connected state, a resume request can be sent to the anchor base station.
  • the terminal switching the first SIM from the first base station to the second base station it may include: responding to the terminal switching the first SIM from the first base station to the second base station, or the terminal switching the first SIM from the first base station.
  • the base station switches to the second base station.
  • the first SIM is in a connected state and resides at the first base station, and performs measurement according to the configuration of the first base station during the movement.
  • the first SIM reports the measurement to the first base station.
  • the second base station that meets the handover condition is measured.
  • the first base station decides to perform handover for the first SIM, it sends a handover request (HANDOVER REQUEST) signaling to the second base station through the Xn interface or the X2 interface. If the second base station accepts the handover request of the first base station, it will send a handover request confirmation (HANDOVER REQUEST ACKNOWLEDGE) signaling to the first base station through the Xn interface or the X2 interface.
  • the first base station After receiving the handover request confirmation signaling sent by the second base station through the Xn interface, the first base station sends RRC reconfiguration (RRCReconfiguration) signaling to the first SIM. After receiving the RRC reconfiguration signaling sent by the first base station, the first SIM establishes an RRC connection with the second base station according to the configuration in the signaling, and then the first SIM completes the handover from the first base station to the second base station.
  • RRC reconfiguration RRCReconfiguration
  • the first SIM switches from the first base station to the second base station. It can be considered that the second base station has better signal quality, or the terminal has a tendency to move from the first base station to the second base station. As the terminal continues to move, the terminal may appear Leaving the signal coverage area of the first base station. If the second SIM still resides in the base station where it currently resides, the probability that the RRC connection with the first base station cannot be restored will increase.
  • the terminal can send the information of the second SIM to the second base station, requesting that the second SIM be camped on the second base station.
  • the base station can be changed to the base station based on the change of the base station signal or the movement of the terminal.
  • the information of the second SIM may be used to characterize the second SIM.
  • the information of the second SIM may be the International Mobile Subscriber Identity (IMSI, International Mobile Subscriber Identity) of the second SIM.
  • the second base station may determine the second SIM through the information of the second SIM.
  • Switching the base station where the second SIM currently resides to the second base station refers to using the second base station as the anchor base station of the second SIM, so that the second SIM can initiate RRC to the second base station when it switches from the inactive state Reconnect or receive paging from the second base station.
  • the resident base station of the second SIM is switched from the current resident base station to the second base station, reducing the second SIM caused by the base station signal change or terminal movement
  • the situation that the RRC connection with the currently camped base station cannot be restored and the base station where the second SIM currently camps cannot page to the second SIM improves the communication success rate.
  • the method further includes:
  • Step 202 Receive, through the first SIM, a camping instruction sent by the second base station in response to the information of the second SIM, where the camping instruction is used to instruct to camp the second SIM Leave it to the second base station.
  • the second base station As the anchor base station of the second SIM, the second base station needs to have the context information of the second SIM, and the second base station needs to have a communication connection between the core network and the second SIM.
  • the communication connection between the core network and the second SIM on the network side includes: Next Generation (NG) connection between the core network and the base station where the second SIM resides.
  • NG Next Generation
  • the second base station After receiving the information of the second SIM, the second base station can obtain the context information of the second SIM from the base station where the second SIM currently resides based on the identification information of the second SIM, and request the core network to connect the communication of the second SIM Handover from the base station where the second SIM currently resides to the second base station.
  • the second base station When the second base station obtains the context information of the second SIM, and the communication connection of the second SIM is switched from the base station where the second SIM currently resides to the second base station, the second base station may send a camping indication to the first SM, indicating The second SIM is camped on the second base station, so as to meet the requirement of camping on the second SIM on the base station side.
  • the base station where the second SIM currently resides may be the first base station.
  • the second base station may obtain the context information of the second SIM from the first base station based on the identification information of the second SIM. And request to the core network to switch the communication connection of the second SIM from the first base station to the second base station.
  • the information of the second SIM includes: identification information and status information of the second SIM.
  • the information of the second SIM may be sent through the first SIM that establishes a connection with the second base station.
  • the information of the second SIM may include: identification information that can identify the second SIM, such as: International Mobile Subscriber Identity (IMSI, International Mobile Subscriber Identity), and Radio Network Temporary Identity (RNTI, Radio Network Temporary Identity, and Inactive) Wireless network temporary identification (I-RNTI, Inactive Radio Network Temporary Identity), etc.
  • IMSI International Mobile Subscriber Identity
  • RNTI Radio Network Temporary Identity
  • I-RNTI Inactive Radio Network Temporary Identity
  • the information of the second SIM may also include: state information of the second SIM, that is, indication information indicating that the second SIM is in an inactive state.
  • the information of the second SIM may also include: information of the base station where the second SIM currently resides.
  • the second base station After the second base station determines the identification information of the second SIM and determines the inactive state of the second SIM, the second SIM can be camped on.
  • the second base station After the second base station obtains the identification information and status information of the second SIM, it requests the second SIM to currently reside through the interface between the base stations, such as the Xn interface/X2 interface in 5G mobile communication, to the base station where the second SIM currently resides. Context information of the second SIM stored in the base station.
  • the second base station may request the base station where the second SIM currently resides to send the context information of the second SIM stored by the base station where the second SIM currently resides in the form of a context information request.
  • the second base station may request the context information of the second SIM by sending a retrieving user equipment context request (RETRIEVE UE CONTEXT REQUEST) signaling.
  • RETRIEVE UE CONTEXT REQUEST retrieving user equipment context request
  • the base station where the second SIM currently resides can send the context information requested by the second base station to the second base station through the interface between the base stations, such as the Xn interface/X2 interface in 5G mobile communication. Two base stations.
  • the second base station may be replies to the second base station through RETRIEVE UE CONTEXT RESPONSE (RETRIEVE UE CONTEXT RESPONSE) signaling, and the context information of the second SIM is carried in the retrieving user equipment context response signaling.
  • RETRIEVE UE CONTEXT RESPONSE RETRIEVE UE CONTEXT RESPONSE
  • the received context information of the second SIM sent by the base station where the second SIM currently resides has a logical connection relationship of the second SIM.
  • the communication path used for the second SIM communication transmission between the AMF of the core network and the base station where the second SIM currently resides may be determined according to the logical connection relationship.
  • the second base station may send a path switching request to the core network to switch the communication path of the second SIM between the core network and the base station where the second SIM currently resides to the second base station.
  • the path switching request may include at least: indication information of the target path after the switching.
  • the path switching request may include an indication of the original path and an indication of the target path.
  • the original path refers to the communication path used for the second SIM communication transmission between the core network and the base station where the second SIM currently resides
  • the target path refers to the second SIM communication path between the core network and the second base station. The communication path of the transmission.
  • the core network After receiving the path switching request, the core network switches the communication path of the second SIM.
  • a path switching success indication is sent to the second base station.
  • the second base station receives the successful path switch indication, and can determine that the communication path of the second SIM has been switched to the second base station.
  • the method further includes:
  • the second base station receives the path switching success indication and determines that the context information of the second SIM is acquired, then the second base station sends a camping indication to the first SIM, instructing the second SIM to camp on the second base station.
  • the terminal When the terminal receives the camping indication, it can be determined that the second base station has met the requirements for camping on the second SIM, that is, the second base station has context information to the second SIM, and the communication connection of the second SIM is from the current camping on the second SIM.
  • the base station switches to the second base station.
  • the terminal can camp the second SIM to the second base station. This allows the second SIM to initiate an RRC reconnection to the second base station or receive paging from the second base station when the second SIM switches from the inactive state.
  • the camping of the second SIM to the second base station in response to receiving the camping instruction includes:
  • the second SIM since the first SIM is in the connected state, the second SIM may not be awakened by the first SIM receiving the stay indication, and the second SIM can be kept in the inactive state, thereby saving the power consumption of the second SIM.
  • the second SIM can camp at the second base station.
  • the second base station may set the identification information of the second base station in the camping instruction, and the second SIM may determine the base station to camp on according to the identification information of the second base station.
  • the terminal may determine the base station that sends the camping instruction, and camp the second SIM to the base station that sends the camping instruction.
  • the receiving the camping indication sent by the second base station in response to the information of the second SIM includes at least one of the following:
  • the camping indication may be carried in RRC signaling, MAC CE signaling, or PDCCH signaling and sent to the first SIM.
  • the camping indication can be carried in the reserved bits of the existing RRC signaling, MAC CE signaling, or PDCCH signaling. In this way, the amount of signaling information can be increased, and the signaling utilization rate can be improved. It is also possible to add specific RRC signaling, MAC CE signaling, or PDCCH signaling to carry the camping indication.
  • the camping indication includes an indication that the communication path of the second SIM is successfully handed over from the base station where the second SIM currently camps to the second base station.
  • the camping indication sent by the second base station may indicate that the communication path of the second SIM is successfully handed over from the base station where the second SIM currently camps to the second base station. After obtaining the indication, the terminal can determine that the communication path of the second SIM has been switched to the second base station. Therefore, the terminal can camp the second SIM to the second base station.
  • the base station where the second SIM currently resides includes: the first base station.
  • the first SIM and the second SIM can reside at the first base station at the same time.
  • the terminal In response to the handover of the first SIM from the first base station to the second base station, the terminal camps on the second SIM to the second base station.
  • the first SIM switching from the first base station to the second base station will perform the signal measurement of the first base station, when the first SIM moves from the first base station to the second base station, it can be determined that the second base station has better signal quality, etc. Communication environment. In this way, camping the second SIM at the second base station can enable the second SIM to obtain better signal quality, and improve the success rate of the second SIM switching from the inactive state to the connected state.
  • the sending the second SIM information to the second base station includes:
  • the RRC reconfiguration complete signaling carrying the information of the second SIM is sent to the second base station through the first SIM.
  • the first SIM may carry the information of the second SIM in the RRC reconfiguration complete (RRCReconfigurationComplete) signaling in the process of switching from the base station where the second SIM currently resides to the second base station to notify the second base station to camp on the second SIM.
  • RRC reconfiguration complete RRCReconfigurationComplete
  • the RRC reconfiguration complete signaling is used to carry the information of the second SIM.
  • the RRC reconfiguration complete signaling can be determined that the first SIM has been handed over to the second base station, which can ensure that the first SIM handover is successful.
  • Time to switch the resident base station of the second SIM Ensure that the first SIM and the second SIM can camp on the same base station.
  • the communication quality of the second SIM Ensure the communication quality of the second SIM.
  • the information volume of the signaling after the RRC reconfiguration is completed can be increased, and the signaling utilization rate can be improved.
  • this exemplary embodiment provides a base station handover method.
  • the base station handover method can be applied to a second base station in a mobile communication network, including:
  • Step 401 Receive the information of the second SIM sent by the terminal, where the second SIM is sent in response to the first SIM handover from the first base station to the second base station, and the information of the second SIM is used to transfer information from The activated second SIM resides in the second base station, wherein the first SIM is in the connected state;
  • Step 402 Based on the information of the second SIM, determine to switch the second SIM in the inactive state from the base station where the second SIM currently resides to the second base station.
  • the terminal may be a multi-SIM terminal, and the behavior mode of the terminal may be dual-card dual-standby single-pass, dual-card dual-standby dual-pass, and the like.
  • the mobile communication network may include a 4G mobile communication network or a 5G mobile communication network.
  • the first SIM and the second SIM are the same SIMs in the multi-SIM terminal, but are different SIMs.
  • the SIM may be a SIM card in the form of a separate individual or an integrated subscriber identification module (e-SIM, embedded Subscriber Identification Module) that exists inside the terminal in an integrated form, and so on.
  • e-SIM embedded Subscriber Identification Module
  • the first SIM can be in a connected state.
  • the first base station may be the base station where the first SIM currently resides.
  • the second SIM in the inactive state may also be the SIM that resides in the first base station, and the second SIM may also reside in other base stations.
  • the base station where the second SIM in the inactive state resides is called an anchor base station.
  • the paging information sent by the core network to the second SIM is forwarded to the second SIM through the anchor base station, and when the second SIM switches from the inactive state to the connected state, a resume request can be sent to the anchor base station.
  • the terminal switching the first SIM from the first base station to the second base station it may include: responding to the terminal switching the first SIM from the first base station to the second base station, or the terminal switching the first SIM from the first base station.
  • the base station switches to the second base station.
  • the first SIM is in a connected state and resides at the first base station, and performs measurement according to the configuration of the first base station during the movement.
  • the first SIM reports the measurement to the first base station.
  • the second base station that meets the handover condition is measured.
  • the first base station decides to perform handover for the first SIM, it sends a handover request (HANDOVER REQUEST) signaling to the second base station through the Xn interface or the X2 interface. If the second base station accepts the handover request from the first base station, it will send a handover request confirmation (HANDOVER REQUEST ACKNOWLEDGE) signaling to the first base station through the Xn interface or the X2 interface.
  • HANDOVER REQUEST handover request
  • ACKNOWLEDGE handover request confirmation
  • the first base station After receiving the handover request confirmation signaling sent by the second base station through the Xn interface, the first base station sends RRC reconfiguration (RRCReconfiguration) signaling to the first SIM. After receiving the RRC reconfiguration signaling sent by the first base station, the first SIM establishes an RRC connection with the second base station according to the configuration in the signaling, and then the first SIM completes the handover from the first base station to the second base station.
  • RRC reconfiguration RRCReconfiguration
  • the first SIM switches from the first base station to the second base station. It can be considered that the second base station has better signal quality, or the terminal has a tendency to move from the first base station to the second base station. As the terminal continues to move, the terminal may appear Leaving the signal coverage area of the first base station. If the second SIM still resides in the base station where it currently resides, the probability that the RRC connection with the first base station cannot be restored will increase.
  • the terminal can send the information of the second SIM to the second base station, requesting that the second SIM be camped on the second base station.
  • the base station can be changed to the base station based on the change of the base station signal or the movement of the terminal.
  • the information of the second SIM may be used to characterize the second SIM.
  • the information of the second SIM may be the International Mobile Subscriber Identity (IMSI, International Mobile Subscriber Identity) of the second SIM.
  • the second base station may determine the second SIM through the information of the second SIM.
  • Switching the base station where the second SIM currently resides to the second base station refers to using the second base station as the anchor base station of the second SIM, so that the second SIM can initiate RRC to the second base station when it switches from the inactive state Reconnect or receive paging from the second base station.
  • the resident base station of the second SIM is switched from the base station where the second SIM currently resides to the second base station, which reduces the occurrence of signal changes or terminal movement.
  • the situation that the second SIM cannot restore the RRC connection with the base station where the second SIM currently resides and the base station where the second SIM currently resides cannot page the second SIM, which improves the communication success rate.
  • the determining to switch the second SIM in an inactive state from the base station where the second SIM currently resides to the second base station based on the information of the second SIM includes the following At least one of the items:
  • the resident base station of the second SIM in the inactive state is removed from all the base stations.
  • the base station where the second SIM currently resides is switched to the second base station.
  • the second base station As the anchor base station of the second SIM, the second base station needs to have the context information of the second SIM, and the second base station needs to have a communication connection between the core network and the second SIM.
  • the communication connection between the core network and the second SIM on the network side includes: Next Generation (NG) connection between the core network and the base station where the second SIM resides.
  • NG Next Generation
  • the second base station After receiving the information of the second SIM, the second base station can obtain the context information of the second SIM from the base station where the second SIM currently resides based on the identification information of the second SIM, and request the core network to connect the communication of the second SIM Handover from the base station where the second SIM currently resides to the second base station.
  • the second base station When the second base station obtains the context information of the second SIM, and the communication connection of the second SIM is switched from the base station where the second SIM currently resides to the second base station, the second base station may send a camping indication to the first SM, indicating The second SIM is camped on the second base station, so as to meet the requirement of camping on the second SIM on the base station side.
  • the base station where the second SIM currently resides may be the first base station.
  • the second base station may obtain the context information of the second SIM from the first base station based on the identification information of the second SIM. And request to the core network to switch the communication connection of the second SIM from the first base station to the second base station.
  • the information of the second SIM includes: identification information and status information of the second SIM.
  • the information of the second SIM may be sent through the first SIM that establishes a connection with the second base station.
  • the information of the second SIM may include: identification information that can identify the second SIM, such as: International Mobile Subscriber Identity (IMSI), Radio Network Temporary Identity (RNTI), and Activate the wireless network temporary identity (I-RNTI, Inactive Radio Network Temporary Identity), etc.
  • IMSI International Mobile Subscriber Identity
  • RNTI Radio Network Temporary Identity
  • I-RNTI Inactive Radio Network Temporary Identity
  • the information of the second SIM may also include: state information of the second SIM, that is, indication information indicating that the second SIM is in an inactive state.
  • the information of the second SIM may also include: information of the base station where the second SIM currently resides.
  • the second base station After the second base station determines the identification information of the second SIM and determines the inactive state of the second SIM, the second SIM can be camped on.
  • the obtaining the context information of the second SIM from the base station where the second SIM currently resides based on the information of the second SIM includes:
  • the second base station After the second base station obtains the identification information and status information of the second SIM, it requests the second SIM to currently reside through the interface between the base stations, such as the Xn interface/X2 interface in 5G mobile communication, to the base station where the second SIM currently resides. Context information of the second SIM stored in the base station.
  • the second base station may request the base station where the second SIM currently resides to send the context information of the second SIM stored by the base station where the second SIM currently resides in the form of a context information request.
  • the second base station may request the context information of the second SIM by sending a retrieving user equipment context request (RETRIEVE UE CONTEXT REQUEST) signaling.
  • RETRIEVE UE CONTEXT REQUEST retrieving user equipment context request
  • the base station where the second SIM currently resides can send the context information requested by the second base station to the second base station through the interface between the base stations, such as the Xn interface/X2 interface in 5G mobile communication. Two base stations.
  • the second base station may be replies to the second base station through RETRIEVE UE CONTEXT RESPONSE (RETRIEVE UE CONTEXT RESPONSE) signaling, and the context information of the second SIM is carried in the retrieving user equipment context response signaling.
  • RETRIEVE UE CONTEXT RESPONSE RETRIEVE UE CONTEXT RESPONSE
  • the requesting the core network to switch the communication path of the second SIM to the second base station includes:
  • a path switching request is sent to the core network.
  • the path switching request is used to request the core network to connect the core network with the Switching the communication path of the second SIM from the base station where the second SIM currently resides to the second base station;
  • the determining that the core network switches the communication path of the second SIM to the second base station includes:
  • the path switching success indication it is determined that the communication path of the second SIM is successfully switched from the base station where the second SIM currently resides to the second base station.
  • the received context information of the second SIM sent by the base station where the second SIM currently resides has the logical connection relationship of the second SIM.
  • the communication path for the second SIM information transmission between the AMF of the core network and the base station where the second SIM currently resides may be determined according to the logical connection relationship.
  • the second base station may send a path switching request to the core network to switch the communication path of the second SIM between the core network and the base station where the second SIM currently resides to the second base station.
  • the path switching request may include at least: indication information of the target path after the switching.
  • the path switching request may include an indication of the original path and an indication of the target path.
  • the original path refers to the communication path used for the second SIM communication transmission between the core network and the base station where the second SIM currently resides
  • the target path refers to the second SIM communication path between the core network and the second base station. The communication path of the transmission.
  • the core network After receiving the path switching request, the core network switches the communication path of the second SIM.
  • a path switching success indication is sent to the second base station.
  • the second base station receives the successful path switch indication, and can determine that the communication path of the second SIM has been switched to the second base station.
  • the method further includes:
  • the camping instruction is used to instruct to camp the second SIM to the second base station.
  • the second base station receives the path switching success indication and determines that the context information of the second SIM is acquired, then the second base station sends a camping indication to the first SIM, instructing the second SIM to camp on the second base station.
  • the terminal When the terminal receives the camping indication, it can be determined that the second base station has met the requirements for camping on the second SIM, that is, the second base station has the context information to the second SIM, and the communication connection of the second SIM is from the current camping on the second SIM.
  • the base station switches to the second base station.
  • the terminal can camp the second SIM to the second base station. This allows the second SIM to initiate an RRC reconnection to the second base station or receive paging from the second base station when the second SIM switches from the inactive state.
  • the camping indication includes an indication that the communication path of the second SIM is successfully handed over from the base station where the second SIM currently camps to the second base station.
  • the camping indication sent by the second base station may indicate that the communication path of the second SIM is successfully handed over from the base station where the second SIM currently camps to the second base station. After obtaining the indication, the terminal can determine that the communication path of the second SIM has been switched to the second base station. Therefore, the terminal can camp the second SIM to the second base station.
  • the sending a camping instruction to the first SIM includes:
  • the camping indication may be carried in RRC signaling, MAC CE signaling, or PDCCH signaling and sent to the first SIM.
  • the camping indication can be carried in the reserved bits of the existing RRC signaling, MAC CE signaling, or PDCCH signaling. In this way, the amount of signaling information can be increased, and the signaling utilization rate can be improved. It is also possible to add specific RRC signaling, MAC CE signaling, or PDCCH signaling to carry the camping indication.
  • the information of the second SIM sent by the receiving terminal includes:
  • the first SIM may carry the information of the second SIM in the RRC reconfiguration complete (RRCReconfigurationComplete) signaling in the process of switching from the base station where the second SIM currently resides to the second base station to notify the second base station to camp on the second SIM.
  • RRC reconfiguration complete RRCReconfigurationComplete
  • the RRC reconfiguration complete signaling is used to carry the information of the second SIM.
  • the RRC reconfiguration complete signaling can be determined that the first SIM has been handed over to the second base station, which can ensure that the first SIM handover is successful.
  • Time to switch the resident base station of the second SIM Ensure that the first SIM and the second SIM can camp on the same base station.
  • the communication quality of the second SIM On the other hand, it can increase the amount of signaling information after RRC reconfiguration is completed, and increase signaling utilization.
  • the base station where the second SIM currently resides includes: the first base station.
  • the first SIM and the second SIM can reside at the first base station at the same time.
  • the terminal In response to the handover of the first SIM from the first base station to the second base station, the terminal camps on the second SIM to the second base station.
  • the first SIM switching from the first base station to the second base station will perform the signal measurement of the first base station, when the first SIM moves from the first base station to the second base station, it can be determined that the second base station has better signal quality, etc. Communication environment. In this way, camping the second SIM at the second base station can enable the second SIM to obtain better signal quality, and improve the success rate of the second SIM switching from the inactive state to the connected state.
  • this exemplary embodiment provides a base station handover method.
  • the base station handover method can be applied to a first base station in a mobile communication network, including:
  • Step 501 Receive a context information request sent by a second base station, where the context information request is used to request context information of a subscriber identity module SIM in an inactive state;
  • Step 502 In response to receiving the context information request, send the context information of the SIM to the second base station.
  • the first base station may be the base station where the SIM of the terminal currently resides.
  • the second base station may be the target base station where the SIM resides.
  • the context information has the logical connection relationship of the SIM. Therefore, the second base station needs to obtain uplink information to camp on the SIM.
  • the second base station may request the first base station for the context information of the second SIM stored by the first base station.
  • the second base station may request the first base station to send the context information of the second SIM stored by the first base station in the form of a context information request.
  • the second base station may request the context information of the second SIM by sending a retrieving user equipment context request (RETRIEVE UE CONTEXT REQUEST) signaling.
  • RETRIEVE UE CONTEXT REQUEST retrieving user equipment context request
  • the first base station may send the context information requested by the second base station to the second base station through an interface between the base stations, such as the Xn interface in 5G mobile communication.
  • the second base station may be replies to the second base station through RETRIEVE UE CONTEXT RESPONSE (RETRIEVE UE CONTEXT RESPONSE) signaling, and the context information of the second SIM is carried in the retrieving user equipment context response signaling.
  • RETRIEVE UE CONTEXT RESPONSE RETRIEVE UE CONTEXT RESPONSE
  • the second base station can camp on the SIM in the inactive state, and a method for the inactive SIM to camp on the base station is provided, which improves the flexibility of the inactive SIM camping on the base station.
  • the receiving the context information request sent by the second base station includes:
  • the context information of the SIM sent to the second base station includes:
  • the second base station may request the first base station for the context information of the second SIM stored by the first base station through the interface between the base stations, for example, the Xn interface in 5G mobile communication.
  • the second base station may request the first base station to send the context information of the second SIM stored by the first base station in the form of a context information request.
  • the second base station may request the context information of the second SIM by sending a retrieving user equipment context request (RETRIEVE UE CONTEXT REQUEST) signaling.
  • RETRIEVE UE CONTEXT REQUEST retrieving user equipment context request
  • the first base station may send the context information requested by the second base station to the second base station through an interface between the base stations, such as the Xn interface in 5G mobile communication.
  • the second base station may be replies to the second base station through RETRIEVE UE CONTEXT RESPONSE (RETRIEVE UE CONTEXT RESPONSE) signaling, and the context information of the second SIM is carried in the retrieving user equipment context response signaling.
  • RETRIEVE UE CONTEXT RESPONSE RETRIEVE UE CONTEXT RESPONSE
  • the target base station of the connected SIM card switching can know the information and status of the inactive SIM card of the multi-card terminal where the card is located through the switching process, so as to know the location of the inactive user in real time and improve the connection efficiency.
  • the multi-card terminal has SIM card #1 in the inactive state and SIM card #2 in the connected state.
  • SIM card #2 performs measurement according to the configuration of base station #1 during the movement. When the measurement report conditions set by base station #1 are met, SIM card #2 performs measurement report to base station #1. For example: the base station #2 that meets the handover condition is measured.
  • base station #1 When base station #1 decides to perform handover for SIM card #2, it sends a handover request (HANDOVER REQUEST) signaling to base station #2 through the Xn interface.
  • HANDOVER REQUEST a handover request
  • base station #2 If base station #2 accepts the handover request from base station #1, it will send a handover request confirmation (HANDOVER REQUEST ACKNOWLEDGE) signaling to base station #1 through the Xn interface.
  • HANDOVER REQUEST ACKNOWLEDGE handover request confirmation
  • base station #1 After base station #1 receives the handover request confirmation signaling sent by base station #2 through the Xn interface, it sends RRC reconfiguration (RRCReconfiguration) signaling to SIM card #2.
  • RRC reconfiguration RRCReconfiguration
  • SIM card #2 After receiving the RRC reconfiguration signaling from base station #1, SIM card #2 establishes an RRC connection with base station #2 according to the configuration in the signaling.
  • SIM card #2 After SIM card #2 successfully establishes an RRC connection with base station #2, it will send RRC reconfiguration complete (RRCReconfigurationComplete) signaling to base station #2, and inform base station #2 in the signaling that SIM card #2 is located in the multi-card terminal There is information and status of SIM card #1. Or if SIM card #2 knows the information and status of SIM card #1, it can directly inform base station #2 of the information and status through RRC Reconfiguration Complete (RRCReconfigurationComplete) signaling.
  • RRC reconfiguration Complete RRCReconfigurationComplete
  • SIM card #2 can establish an RRC connection with base station #2 and inform SIM card #1 to switch to base station #2. Then, SIM card #1 selects the base station #2 after SIM card #2 is switched to camp on as the anchor point. ) Base station.
  • the base station #2 After the base station #2 obtains the information and status of the SIM card #1, it requests the base station #1 for the information and status of the SIM card #1 stored in the base station #1 through the Xn interface.
  • the context information of the SIM card #1 stored in the base station #1 can be requested through the retrieval terminal uplink request (RETRIEVE UE CONTEXT REQUEST) signaling.
  • RETRIEVE UE CONTEXT REQUEST retrieval terminal uplink request
  • base station #1 After base station #1 receives the request from base station #2 to obtain the information and status of SIM card #1 stored in it, it replies the requested information to base station #2 through the Xn interface. It can be replied by retrieving the terminal uplink response (RETRIEVE UE CONTEXT RESPONSE) signaling.
  • RETRIEVE UE CONTEXT RESPONSE terminal uplink response
  • the base station #2 After obtaining the uplink information of the SIM card #1 stored in the base station #1, the base station #2 requests the core network to perform path switching for the SIM card #1.
  • the core network After receiving the path switching request for SIM card #1 sent by base station #2, the core network sends path switching request reply signaling to base station #2 to confirm that the path switching is successful.
  • base station #2 After base station #2 completes the path switching for SIM card #1, it sends signaling to SIM card #2 to inform it that the path of SIM card #1 has been switched to base station #2.
  • the signaling may be RRC signaling, MAC CE signaling, or PDCCH signaling.
  • SIM card #2 After receiving the SIM card #1 path switch successful signaling sent by base station #2, SIM card #2 informs SIM card #1 that its path has been switched to base station #2. In this way, SIM card #1 will select base station #2 to camp on and use it as an anchor base station.
  • the access and mobility management function (AMF, Access and Mobility Management) of the core network will directly send paging signaling to base station #2 instead of base station #1, and the base station #1 does not need to send access network paging (RAN Paging) to other base stations in the access network (RAN, Radio Access Network) of SIM card #1 to find SIM card #1.
  • AMF Access and Mobility Management
  • SIM card #1 When SIM card #1 has uplink data to be transmitted, SIM card #1 directly initiates an RRC recovery procedure to base station #2 to restore the RRC connection.
  • FIG. 6 is a schematic diagram of the composition structure of the base station switching device 100 provided by an embodiment of the present invention; as shown in FIG. 6, the device 100 includes: a first sending module 110 ,in,
  • the first sending module 110 is configured to send information of the second SIM to the second base station in response to the terminal switching the first SIM from the first base station to the second base station, where the information of the second SIM is It is used to camp a second SIM in an inactive state at the second base station, where the first SIM is in a connected state.
  • the device 100 further includes:
  • the first receiving module 120 is configured to receive, through the first SIM, a camping instruction sent by the second base station in response to the information of the second SIM, where the camping instruction is used to indicate that the The second SIM resides in the second base station.
  • the device 100 further includes:
  • the first control module 130 is configured to camp the second SIM to the second base station in response to receiving the camping instruction.
  • the first control module 130 includes:
  • the first control submodule 131 is configured to, in response to the first SIM forwarding the received camp indication to the second SIM, camp the second SIM to the second base station.
  • the first receiving module 120 includes at least one of the following:
  • the first receiving submodule 121 is configured to receive radio resource control RRC signaling carrying the camping indication sent by the second base station;
  • the second receiving submodule 122 is configured to receive the MAC CE signaling of the media access control unit carrying the camping indication sent by the second base station;
  • the third receiving submodule 123 is configured to receive the physical downlink control channel PDCCH signaling carrying the camping indication sent by the second base station.
  • the camping indication includes an indication that the communication path of the second SIM is successfully handed over from the base station where the second SIM currently camps to the second base station.
  • the base station where the second SIM currently resides includes: the first base station.
  • the first sending module 110 includes:
  • the first sending submodule 111 is configured to send the RRC reconfiguration complete signaling carrying the information of the second SIM to the second base station through the first SIM.
  • the information of the second SIM includes: identification information and status information of the second SIM.
  • FIG. 7 is a schematic diagram of the composition structure of the base station switching device 200 according to an embodiment of the present invention; as shown in FIG. 7, the device 200 includes: a second receiver The module 210 and the second control module 220, in which,
  • the second receiving module 210 is configured to receive information about the second SIM sent by the terminal, where the second SIM is sent in response to the first SIM handover from the first base station to the second base station, and the second SIM The information in is used to camp a second SIM in an inactive state at the second base station, where the first SIM is in a connected state;
  • the second control module 220 is configured to determine, based on the information of the second SIM, to switch the second SIM in an inactive state from the base station where the second SIM currently resides to the second base station.
  • the second control module 220 includes at least one of the following:
  • the first obtaining submodule 221 is configured to obtain context information of the second SIM from the base station where the second SIM currently resides based on the information of the second SIM;
  • the request submodule 222 is configured to request the core network to switch the communication path of the second SIM to the second base station;
  • the second control submodule 223 is configured to, in response to successfully acquiring the context information of the second SIM, and to determine that the core network switches the communication path of the second SIM to the second base station, the inactive state
  • the base station where the second SIM resides is switched from the base station where the second SIM currently resides to the second base station.
  • the first obtaining submodule 221 includes:
  • the sending unit 2211 is configured to send a context information request to the base station where the second SIM currently resides based on the information of the second SIM, where the context information request is used to request the context information of the second SIM;
  • the first receiving unit 2212 receives the context information of the second SIM that is sent by the base station where the second SIM currently resides in response to the context information request.
  • the request submodule 222 includes:
  • the request unit 2221 is configured to send a path switch request to the core network based on the received context information sent by the base station where the second SIM currently resides, and the path switch request is used to request the core network to Switching the communication path between the core network and the second SIM from the base station where the second SIM currently resides to the second base station;
  • the second control sub-module 223 includes:
  • the second receiving unit 2231 is configured to receive the path switching success indication sent by the core network in response to the path switching request;
  • the determining unit 2232 is configured to determine, according to the path switching success indication, that the communication path of the second SIM is successfully switched from the base station where the second SIM currently resides to the second base station.
  • the device 200 further includes:
  • the second sending module 230 is configured to send a camping instruction to the first SIM; the camping instruction is used to instruct the second SIM to camp on the second base station.
  • the camping indication includes an indication that the communication path of the second SIM is successfully handed over from the base station where the second SIM currently camps to the second base station.
  • the second sending module 230 includes:
  • the second sending submodule 231 is configured to send radio resource control RRC signaling carrying the camping indication to the first SIM;
  • the third sending submodule 232 is configured to send the MAC CE signaling of the media access control unit carrying the stay indication to the first SIM;
  • the fourth sending submodule 233 is configured to send the physical downlink control channel PDCCH signaling carrying the camping indication to the first SIM.
  • the second receiving module 210 includes:
  • the fourth receiving submodule 211 is configured to receive the RRC reconfiguration complete signaling that carries the information of the second SIM and is sent by the first SIM to the second base station.
  • the information of the second SIM includes: identification information and status information of the second SIM.
  • the base station where the second SIM currently resides includes: the first base station.
  • FIG. 8 is a schematic diagram of the composition structure of the base station switching device 300 according to an embodiment of the present invention; as shown in FIG. 8, the device 300 includes: a third receiver Module and 310 the third sending module 320, in which,
  • the third receiving module 310 is configured to receive a context information request sent by a second base station, where the context information request is used to request context information of a subscriber identification module SIM in an inactive state;
  • the third sending module 320 is configured to send the context information of the SIM to the second base station in response to receiving the context information request.
  • the third receiving module 310 includes:
  • a fifth receiving submodule 311, configured to receive a context information request sent by the first base station through an inter-base station interface between the first base station and the second base station;
  • the third sending module 320 includes:
  • the fifth sending submodule 321 is configured to send the context information of the SIM to the second base station through the interface between the base stations.
  • the first sending module 110, the first receiving module 120, the first control module 130, the second receiving module 210, the second control module 220, the second sending module 230, the third receiving module and 310 and The third sending module 320, etc. can be configured by one or more central processing units (CPU, Central Processing Unit), graphics processing units (GPU, Graphics Processing Unit), baseband processors (BP, baseband processor), and application specific integrated circuits (ASICs).
  • CPU Central Processing Unit
  • GPU Graphics Processing Unit
  • BP baseband processor
  • ASICs application specific integrated circuits
  • a general-purpose processor a controller, a microcontroller (MCU, Micro Controller Unit), a microprocessor (Microprocessor), or other electronic components can also be implemented in combination with one or more radio frequency (RF) antennas. Perform the aforementioned method.
  • PLD Programmable Logic Device
  • CPLD Complex Programmable Logic Device
  • FPGA Field Programmable Gate Array
  • a general-purpose processor a controller, a microcontroller (MCU, Micro Controller Unit), a microprocessor (Microprocessor), or other electronic components can also be implemented in combination with one or more radio frequency (RF) antennas. Perform the aforementioned method.
  • RF radio frequency
  • Fig. 9 is a block diagram showing a device 3000 for base station handover according to an exemplary embodiment.
  • the device 3000 may be a mobile phone, a computer, a digital broadcasting terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.
  • the device 3000 may include one or more of the following components: a processing component 3002, a memory 3004, a power supply component 3006, a multimedia component 3008, an audio component 3010, an input/output (I/O) interface 3012, a sensor component 3014, And the communication component 3016.
  • a processing component 3002 a memory 3004, a power supply component 3006, a multimedia component 3008, an audio component 3010, an input/output (I/O) interface 3012, a sensor component 3014, And the communication component 3016.
  • the processing component 3002 generally controls the overall operations of the device 3000, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • the processing component 3002 may include one or more processors 3020 to execute instructions to complete all or part of the steps of the foregoing method.
  • the processing component 3002 may include one or more modules to facilitate the interaction between the processing component 3002 and other components.
  • the processing component 3002 may include a multimedia module to facilitate the interaction between the multimedia component 3008 and the processing component 3002.
  • the memory 3004 is configured to store various types of data to support the operation of the device 3000. Examples of such data include instructions for any application or method operating on the device 3000, contact data, phone book data, messages, pictures, videos, etc.
  • the memory 3004 can be implemented by any type of volatile or non-volatile storage devices or their combination, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic Disk or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic Disk Magnetic Disk or Optical Disk.
  • the power supply component 3006 provides power for various components of the device 3000.
  • the power supply component 3006 may include a power management system, one or more power supplies, and other components associated with the generation, management, and distribution of power for the device 3000.
  • the multimedia component 3008 includes a screen that provides an output interface between the device 3000 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touch, sliding, and gestures on the touch panel. The touch sensor can not only sense the boundary of the touch or slide action, but also detect the duration and pressure associated with the touch or slide operation.
  • the multimedia component 3008 includes a front camera and/or a rear camera. When the device 3000 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 3010 is configured to output and/or input audio signals.
  • the audio component 3010 includes a microphone (MIC), and when the device 3000 is in an operation mode, such as a call mode, a recording mode, and a voice recognition mode, the microphone is configured to receive external audio signals.
  • the received audio signal may be further stored in the memory 3004 or transmitted via the communication component 3016.
  • the audio component 3010 further includes a speaker for outputting audio signals.
  • the I/O interface 3012 provides an interface between the processing component 3002 and a peripheral interface module.
  • the above-mentioned peripheral interface module may be a keyboard, a click wheel, a button, and the like. These buttons may include, but are not limited to: home button, volume button, start button, and lock button.
  • the sensor assembly 3014 includes one or more sensors for providing the device 3000 with various aspects of status assessment.
  • the sensor component 3014 can detect the on/off status of the device 3000 and the relative positioning of components, such as the display and keypad of the device 3000.
  • the sensor component 3014 can also detect the position change of the device 3000 or a component of the device 3000. The presence or absence of contact with the device 3000, the orientation or acceleration/deceleration of the device 3000, and the temperature change of the device 3000.
  • the sensor assembly 3014 may include a proximity sensor configured to detect the presence of nearby objects when there is no physical contact.
  • the sensor component 3014 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 3014 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor or a temperature sensor.
  • the communication component 3016 is configured to facilitate wired or wireless communication between the device 3000 and other devices.
  • the device 3000 can access a wireless network based on a communication standard, such as Wi-Fi, 2G or 3G, or a combination thereof.
  • the communication component 3016 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 3016 also includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • the device 3000 may be implemented by one or more application specific integrated circuits (ASIC), digital signal processors (DSP), digital signal processing devices (DSPD), programmable logic devices (PLD), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic components are implemented to implement the above methods.
  • ASIC application specific integrated circuits
  • DSP digital signal processors
  • DSPD digital signal processing devices
  • PLD programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor, or other electronic components are implemented to implement the above methods.
  • non-transitory computer-readable storage medium including instructions, such as a memory 3004 including instructions, which may be executed by the processor 3020 of the device 3000 to complete the foregoing method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.

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Abstract

本公开实施例是关于基站切换方法、装置、通信设备及存储介质。该方法包括：响应于终端将第一用户识别模块(SIM)从第一基站向第二基站切换，向所述第二基站发送第二SIM的信息，其中，所述第二SIM的信息，用于将处于非激活态的第二SIM驻留在所述第二基站，其中，所述第一SIM处于连接态。。

Description

基站切换方法、装置、通信设备及存储介质 技术领域
本申请涉及无线通信技术领域但不限于无线通信技术领域，尤其涉及基站切换方法、装置、通信设备及存储介质。
背景技术
在第五代(5G，5 th Generation)新空口(NR，New Radio)中引入了一个新的无线资源控制(RRC，Radio Resource Control)状态，即RRC非激活(RRC INACTIVE)态。在RRC非激活态下，终端的非接入层(NAS，Non-Access Stratum)仍然保持在连接态，即终端与核心网的连接仍然保持，终端的空口连接是断开的，基站侧保留终端的上下文信息，以及保留该终端与核心网的下一代(NG，Next Generation)连接。终端可以在基站配置的一个区域范围内移动而无须通知网络，以节省信令开销。
终端进入非激活态时，最后一个服务基站存储着该终端的上下文信息以及与服务核心网的NG连接，终端的接入层(AS，Access Stratum)也保存相应的上下文信息，包括：承载、非激活态的标识、归属区域等。基站能在所配置的区域范围内通过无线接入网寻呼机制寻呼到处于非激活态的终端，终端可以基于终端侧和基站侧所存储的上下文信息，恢复数据传输。
发明内容
有鉴于此，本公开实施例提供了一种基站切换方法、装置、通信设备及存储介质。
根据本公开实施例的第一方面，提供一种基站切换方法，其中，应用于终端，所述方法包括：
响应于终端将第一用户识别模块(SIM，Subscriber Identity Module)从第一基站向第二基站切换，向所述第二基站发送第二SIM的信息，其中，所述第二SIM的信息，用于将处于非激活态的第二SIM驻留在所述第二基站，其中，所述第一SIM处于连接态。
在一个实施例中，所述方法还包括：
通过所述第一SIM，接收所述第二基站响应于所述第二SIM的信息发送的驻留指示，其中，所述驻留指示，用于指示将所述第二SIM的驻留到第二基站。
在一个实施例中，所述方法还包括：
响应于接收到所述驻留指示，将所述第二SIM驻留到所述第二基站。
在一个实施例中，所述响应于接收到所述驻留指示，将所述第二SIM驻留到所述第二基站，包括：
响应于所述第一SIM将接收到的所述驻留指示转发给所述第二SIM，将所述第二SIM驻留到所述第二基站。
在一个实施例中，所述接收所述第二基站响应于所述第二SIM的信息发送的驻留指示，包括以下至少之一：
接收所述第二基站发送的携带有所述驻留指示的无线资源控制RRC信令；
接收所述第二基站发送的携带有所述驻留指示的媒体访问控制控制单元(MAC CE，Media Access Control Control element)信令；
接收所述第二基站发送的携带有所述驻留指示的物理下行控制信道(PDCCH，Physical Downlink Control Channel)信令。
在一个实施例中，所述驻留指示包括：所述第二SIM的通信路径成功从所述第二SIM当前驻留的基站切换到第二基站的指示。
在一个实施例中，所述第二SIM当前驻留的基站包括：所述第一基站。
在一个实施例中，所述向所述第二基站发送第二SIM的信息，包括：
通过所述第一SIM，向所述第二基站发送携带有所述第二SIM的信息的RRC重配置完毕信令。
在一个实施例中，所述第二SIM的信息，包括：所述第二SIM的标识信息及状态信息。
根据本公开实施例的第二方面，提供一种基站切换方法，其中，应用于第二基站，所述方法包括：
接收终端发送的第二SIM的信息，其中，所述第二SIM是响应于第一SIM从第一基站向第二基站切换发送的，所述第二SIM的信息用于将处于非激活态的第二SIM驻留在所述第二基站，其中，所述第一SIM处于连接态；
基于所述第二SIM的信息，确定将处于非激活态的所述第二SIM从所述第二SIM当前驻留的基站切换到所述第二基站。
在一个实施例中，所述基于所述第二SIM的信息，确定将处于非激活态的所述第二SIM从所述第二SIM当前驻留的基站切换到所述第二基站，包括以下各项中的至少一项：
基于所述第二SIM的信息，从第二SIM当前驻留的基站获取所述第二SIM的上下文信息；
请求核心网将所述第二SIM的通信路径切换到第二基站；
响应于成功获取到第二SIM的上下文信息，并确定核心网将所述第二SIM的通信路径切换到所述第二基站，将处于非激活态的所述第二SIM的驻留基站从所述第二SIM当前驻留的基站切换到所述第二基站。
在一个实施例中，所述基于所述第二SIM的信息，从所述第二SIM当前驻留的基站获取所述第二SIM的上下文信息，包括：
基于所述第二SIM的信息，向所述第二SIM的当前驻留基站发送上下 文信息请求，其中，所述上下文信息请求用于请求所述第二SIM的上下文信息；
接收所述第二SIM当前驻留的基站响应于所述上下文信息请求发送的所述第二SIM的所述上下文信息。
在一个实施例中，所述请求核心网将所述第二SIM的通信路径切换到第二基站，包括：
基于接收到的所述第二SIM当前驻留的基站发送的所述上下文信息，向核心网发送路径切换请求，所述路径切换请求，用于向所述核心网请求将所述核心网与所述第二SIM的通信路径从所述第二SIM当前驻留的基站切换到第二基站；
所述确定所述核心网将所述第二SIM的通信路径切换到所述第二基站，包括：
接收核心网响应于路径切换请求，发送的路径切换成功指示；
根据所述路径切换成功指示，确定所述第二SIM的通信路径从所述第二SIM当前驻留的基站成功切换到所述第二基站。
在一个实施例中，所述方法还包括：
向所述第一SIM发送驻留指示；所述驻留指示用于指示将所述第二SIM驻留到所述第二基站。
在一个实施例中，所述驻留指示，包括：所述第二SIM的通信路径成功从所述第二SIM当前驻留的基站切换到第二基站的指示。
在一个实施例中，所述向所述第一SIM发送驻留指示，包括：
向第一SIM发送携带有所述驻留指示的无线资源控制RRC信令；
向第一SIM发送携带有所述驻留指示的媒体访问控制控制单元MAC CE信令；
向第一SIM发送携带有所述驻留指示的物理下行控制信道PDCCH信 令。
在一个实施例中，所述接收终端发送的第二SIM的信息，包括：
接收所述第一SIM向所述第二基站发送的携带有所述第二SIM的信息的RRC重配置完毕信令。
在一个实施例中，所述第二SIM的信息，包括：所述第二SIM的标识信息及状态信息。
在一个实施例中，所述第二SIM当前驻留的基站，包括：所述第一基站。
根据本公开实施例的第三方面，提供一种基站切换方法，其中，应用于第一基站，所述方法包括：
接收第二基站发送的上下文信息请求，所述上下文信息请求用于请求处于非激活态的用户识别模块SIM的上下文信息；
响应于接收到所述上下文信息请求，向所述第二基站发送的所述SIM的所述上下文信息。
在一个实施例中，所述接收第二基站发送的上下文信息请求，包括：
通过所述第一基站与所述第二基站之间的基站间接口，接收所述第一基站发送的上下文信息请求；
向第二基站发送的所述SIM的所述上下文信息，包括：
通过所述基站间接口，向所述第二基站发送的所述SIM的所述上下文信息。
根据本公开实施例的第四方面，提供一种基站切换装置，其中，应用于终端，所述装置包括：第一发送模块，其中，
所述第一发送模块，配置为响应于终端将第一SIM从第一基站向第二基站切换，向所述第二基站发送第二SIM的信息，其中，所述第二SIM的信息，用于将处于非激活态的第二SIM驻留在所述第二基站，其中，所述 第一SIM处于连接态。
在一个实施例中，所述装置还包括：
第一接收模块，配置为通过所述第一SIM，接收所述第二基站响应于所述第二SIM的信息发送的驻留指示，其中，所述驻留指示，用于指示将所述第二SIM的驻留到第二基站。
在一个实施例中，所述装置还包括：
第一控制模块，配置为响应于接收到所述驻留指示，将所述第二SIM驻留到所述第二基站。
在一个实施例中，所述第一控制模块，包括：
第一控制子模块，配置为响应于所述第一SIM将接收到的所述驻留指示转发给所述第二SIM，将所述第二SIM驻留到所述第二基站。
在一个实施例中，所述第一接收模块，包括以下至少之一：
第一接收子模块，配置为接收所述第二基站发送的携带有所述驻留指示的无线资源控制RRC信令；
第二接收子模块，配置为接收所述第二基站发送的携带有所述驻留指示的媒体访问控制控制单元MAC CE信令；
第三接收子模块，配置为接收所述第二基站发送的携带有所述驻留指示的物理下行控制信道PDCCH信令。
在一个实施例中，所述驻留指示包括：所述第二SIM的通信路径成功从所述第二SIM当前驻留的基站切换到第二基站的指示。
在一个实施例中，所述第二SIM当前驻留的基站包括：所述第一基站。
在一个实施例中，所述第一发送模块，包括：
第一发送子模块，配置为通过所述第一SIM，向所述第二基站发送携带有所述第二SIM的信息的RRC重配置完毕信令。
在一个实施例中，所述第二SIM的信息，包括：所述第二SIM的标识 信息及状态信息。
根据本公开实施例的第五方面，提供一种基站切换装置，其中，应用于第二基站，所述装置包括：第二接收模块和第二控制模块，其中，
所述第二接收模块，配置为接收终端发送的第二SIM的信息，其中，所述第二SIM是响应于第一SIM从第一基站向第二基站切换发送的，所述第二SIM的信息用于将处于非激活态的第二SIM驻留在所述第二基站，其中，所述第一SIM处于连接态；
所述第二控制模块，配置为基于所述第二SIM的信息，确定将处于非激活态的所述第二SIM从所述第二SIM当前驻留的基站切换到所述第二基站。
在一个实施例中，所述第二控制模块，包括以下至少之一：
第一获取子模块，配置为基于所述第二SIM的信息，从第二SIM当前驻留的基站获取所述第二SIM的上下文信息；
请求子模块，配置为请求核心网将所述第二SIM的通信路径切换到第二基站；
第二控制子模块，配置为响应于成功获取到第二SIM的上下文信息，并确定核心网将所述第二SIM的通信路径切换到所述第二基站，将处于非激活态的所述第二SIM的驻留基站从所述第二SIM当前驻留的基站切换到所述第二基站。
在一个实施例中，所述第一获取子模块，包括：
发送单元，配置为基于所述第二SIM的信息，向所述第二SIM的当前驻留基站发送上下文信息请求，其中，所述上下文信息请求用于请求所述第二SIM的上下文信息；
第一接收单元，接收所述第二SIM当前驻留的基站响应于所述上下文信息请求发送的所述第二SIM的所述上下文信息。
在一个实施例中，所述请求子模块，包括：
请求单元，配置为基于接收到的所述第二SIM当前驻留的基站发送的所述上下文信息，向核心网发送路径切换请求，所述路径切换请求，用于向所述核心网请求将所述核心网与所述第二SIM的通信路径从所述第二SIM当前驻留的基站切换到第二基站；
第二控制子模块，包括：
第二接收单元，配置为接收核心网响应于路径切换请求，发送的路径切换成功指示；
确定单元，配置为根据所述路径切换成功指示，确定所述第二SIM的通信路径从所述第二SIM当前驻留的基站成功切换到所述第二基站。
在一个实施例中，所述装置还包括：
第二发送模块，配置为向所述第一SIM发送驻留指示；所述驻留指示用于指示将所述第二SIM驻留到所述第二基站。
在一个实施例中，所述驻留指示，包括：所述第二SIM的通信路径成功从所述第二SIM当前驻留的基站切换到第二基站的指示。
在一个实施例中，所述第二发送模块，包括：
第二发送子模块，配置为向第一SIM发送携带有所述驻留指示的无线资源控制RRC信令；
第三发送子模块，配置为向第一SIM发送携带有所述驻留指示的媒体访问控制控制单元MAC CE信令；
第四发送子模块，配置为向第一SIM发送携带有所述驻留指示的物理下行控制信道PDCCH信令。
在一个实施例中，所述第二接收模块，包括：
第四接收子模块，配置为接收所述第一SIM向所述第二基站发送的携带有所述第二SIM的信息的RRC重配置完毕信令。
在一个实施例中，所述第二SIM的信息，包括：所述第二SIM的标识信息及状态信息。
在一个实施例中，所述第二SIM当前驻留的基站，包括：所述第一基站。
根据本公开实施例的第六方面，提供一种基站切换装置，其中，应用于第一基站，所述装置包括：第三接收模块和第三发送模块，其中，
所述第三接收模块，配置为接收第二基站发送的上下文信息请求，所述上下文信息请求用于请求处于非激活态的用户识别模块SIM的上下文信息；
所述第三发送模块，配置为响应于接收到所述上下文信息请求，向所述第二基站发送的所述SIM的所述上下文信息。
在一个实施例中，所述第三接收模块，包括：
第五接收子模块，配置为通过所述第一基站与所述第二基站之间的基站间接口，接收所述第一基站发送的上下文信息请求；
所述第三发送模块，包括：
第五发送子模块，配置为通过所述基站间接口，向所述第二基站发送的所述SIM的所述上下文信息。
根据本公开实施例的第七方面，提供一种通信设备，包括处理器、收发器、存储器及存储在存储器上并能够有所述处理器运行的可执行程序，所述处理器运行所述可执行程序时执行如第一方面或第二方面或第三方面所述基站切换方法的步骤。
根据本公开实施例的第八方面，提供一种存储介质，其上存储由可执行程序，所述可执行程序被处理器执行时实现如第一方面或第二方面或第三方面所述基站切换方法的步骤。
本公开实施例提供的基站切换方法、装置及存储介质，终端响应于终 端将第一SIM从第一基站向第二基站切换，向所述第二基站发送第二SIM的信息，其中，所述第二SIM的信息，用于将处于非激活态的第二SIM驻留在所述第二基站，其中，所述第一SIM处于连接态。如此，当第一SIM从第一基站切换到第二基站时，将第二SIM的驻留基站从第一基站切换到第二基站，减少由于基站信号变化或者终端移动产生的第二SIM无法与第一基站恢复RRC连接以及第二SIM当前驻留的基站无法寻呼到第二SIM的情况，提高通信成功率。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开实施例。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本发明实施例，并与说明书一起用于解释本发明实施例的原理。
图1是根据一示例性实施例示出的一种无线通信系统的结构示意图；
图2是根据一示例性实施例示出的一种基站切换方法的流程示意图；
图3是根据一示例性实施例示出的另一种基站切换方法的流程示意图；
图4是根据一示例性实施例示出的另一种基站切换方法的流程示意图；
图5是根据一示例性实施例示出的另一种基站切换方法的流程示意图；
图6是根据一示例性实施例示出的一种基站切换装置的框图；
图7是根据一示例性实施例示出的另一种基站切换装置的框图；
图8是根据一示例性实施例示出的又一种基站切换装置的框图；
图9是根据一示例性实施例示出的一种用于基站切换的装置的框图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相 似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明实施例相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本发明实施例的一些方面相一致的装置和方法的例子。
在本公开实施例使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本公开实施例。在本公开实施例和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解，尽管在本公开实施例可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本公开实施例范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
请参考图1，其示出了本公开实施例提供的一种无线通信系统的结构示意图。如图1所示，无线通信系统是基于蜂窝移动通信技术的通信系统，该无线通信系统可以包括：若干个终端11以及若干个基站12。
其中，终端11可以是指向用户提供语音和/或数据连通性的设备。终端11可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网进行通信，终端11可以是物联网终端，如传感器设备、移动电话(或称为“蜂窝”电话)和具有物联网终端的计算机，例如，可以是固定式、便携式、袖珍式、手持式、计算机内置的或者车载的装置。例如，站(Station，STA)、订户单元(subscriber unit)、订户站(subscriber station)，移动站(mobile station)、移动台(mobile)、远程站(remote station)、接入点、远程终端(remote terminal)、接入终端(access terminal)、用户装置(user terminal)、用户代 理(user agent)、用户设备(user device)、或用户终端(user equipment，UE)。或者，终端11也可以是无人飞行器的设备。或者，终端11也可以是车载设备，比如，可以是具有无线通信功能的行车电脑，或者是外接行车电脑的无线通信设备。或者，终端11也可以是路边设备，比如，可以是具有无线通信功能的路灯、信号灯或者其它路边设备等。
基站12可以是无线通信系统中的网络侧设备。其中，该无线通信系统可以是第四代移动通信技术(the 4th generation mobile communication，4G)系统，又称长期演进(Long Term Evolution，LTE)系统；或者，该无线通信系统也可以是5G系统，又称新空口(new radio，NR)系统或5G NR系统。或者，该无线通信系统也可以是5G系统的再下一代系统。其中，5G系统中的接入网可以称为NG-RAN(New Generation-Radio Access Network，新一代无线接入网)。或者，MTC系统。
其中，基站12可以是4G系统中采用的演进型基站(eNB)。或者，基站12也可以是5G系统中采用集中分布式架构的基站(gNB)。当基站12采用集中分布式架构时，通常包括集中单元(central unit，CU)和至少两个分布单元(distributed unit，DU)。集中单元中设置有分组数据汇聚协议(Packet Data Convergence Protocol，PDCP)层、无线链路层控制协议(Radio Link Control，RLC)层、媒体访问控制(Media Access Control，MAC)层的协议栈；分布单元中设置有物理(Physical，PHY)层协议栈，本公开实施例对基站12的具体实现方式不加以限定。
基站12和终端11之间可以通过无线空口建立无线连接。在不同的实施方式中，该无线空口是基于第四代移动通信网络技术(4G)标准的无线空口；或者，该无线空口是基于第五代移动通信网络技术(5G)标准的无线空口，比如该无线空口是新空口；或者，该无线空口也可以是基于5G的更下一代移动通信网络技术标准的无线空口。
在一些实施例中，终端11之间还可以建立E2E(End to End，端到端)连接。比如车联网通信(vehicle to everything，V2X)中的V2V(vehicle to vehicle，车对车)通信、V2I(vehicle to Infrastructure，车对路边设备)通信和V2P(vehicle to pedestrian，车对人)通信等场景。
在一些实施例中，上述无线通信系统还可以包含网络管理设备13。
若干个基站12分别与网络管理设备13相连。其中，网络管理设备13可以是无线通信系统中的核心网设备，比如，该网络管理设备13可以是演进的数据分组核心网(Evolved Packet Core，EPC)中的移动性管理实体(Mobility Management Entity，MME)。或者，该网络管理设备也可以是其它的核心网设备，比如服务网关(Serving GateWay，SGW)、公用数据网网关(Public Data Network GateWay，PGW)、策略与计费规则功能单元(Policy and Charging Rules Function，PCRF)或者归属签约用户服务器(Home Subscriber Server，HSS)等。对于网络管理设备13的实现形态，本公开实施例不做限定。
本公开实施例涉及的执行主体包括但不限于：支持多用户识别模块的终端，基站等。
本公开实施例的应用场景为，随着无线通信技术的发展，市场上多用户识别模块(SIM，Subscriber Identity Module)终端越来越多。目前，针对多卡终端的处理方式主要是基于各个终端厂商的实现，没有统一的标准进行规定，这就导致了许多不同的终端行为和处理方式，例如：双卡单待、双卡双待单通、双卡双待双通等)。对于多SIM终端，现在的网络都是将不同的SIM认为是不同的终端，每个SIM卡与网络进行单独的通信，彼此之间没有任何配合。
如图2所示，本示例性实施例提供一种基站切换方法，基站切换方法可以应用于移动通信网络中的终端等无线通信设备中，包括：
步骤201：响应于终端将第一SIM从第一基站向第二基站切换，向所述第二基站发送第二SIM的信息，其中，所述第二SIM的信息，用于将处于非激活态的第二SIM驻留在所述第二基站，其中，所述第一SIM处于连接态。
这里，所述终端可以是多SIM终端，所述终端的行为模式可以是双卡双待单通、双卡双待双通等。移动通信网络可以包括4G移动通信网络或5G移动通信网络等。第一SIM和第二SIM是同属于多SIM终端中的SIM，但是是不同的SIM。
SIM可以是以单独个体形式存在的SIM卡或以集成形式存在于终端内部在的集成用户识别模块(e-SIM，embedded Subscriber Identification Module)等。
第一SIM可以处于连接状态。第一基站可以是第一SIM当前驻留的基站。处于非激活态的第二SIM也可以是驻留在第一基站的SIM，第二SIM也可以驻留在其他基站。
非激活态的第二SIM驻留的基站被称为的锚点基站。核心网发送给第二SIM的寻呼信息通过锚点基站转发给第二SIM，当第二SIM从非激活态切换到连接态时，可以向锚点基站发送恢复(resume)请求。
响应于终端将第一SIM从第一基站向第二基站切换，可以包括：响应于终端将第一SIM从第一基站向第二基站切换的过程中，或者，终端将第一SIM从第一基站切换到第二基站。
第一SIM处于连接状态并驻留在第一基站，在移动过程中按照第一基站的配置进行测量。当满足第一基站设定的测量上报条件后第一SIM向第一基站进行测量上报。例如：测量到符合切换条件的第二基站。第一基站在决定为第一SIM进行切换时通过Xn接口或X2接口向第二基站发送切换请求(HANDOVER REQUEST)信令。第二基站如果接受第一基站的切换 请求会通过Xn接口或X2接口向第一基站发送切换请求确认(HANDOVER REQUEST ACKNOWLEDGE)信令。第一基站收到第二基站通过Xn接口发送的切换请求确认信令后，向第一SIM发送RRC重配置(RRCReconfiguration)信令。第一SIM在收到第一基站发送的RRC重配置信令后，根据信令中的配置与第二基站建立RRC连接，进而第一SIM完成从第一基站切换到第二基站。
第一SIM从第一基站向第二基站切换，可以认为第二基站具有较好的信号质量，或者，终端有从第一基站向第二基站移动的趋势，随着终端继续移动，可能出现终端离开第一基站信号覆盖范围的情况。如果第二SIM仍然驻留在当前驻留的基站，出现无法恢复与第一基站RRC连接的几率会增加。
因此，当第一SIM从第一基站切换到第二基站时，终端可以将第二SIM的信息发送给第二基站，请求将第二SIM驻留到第二基站。使第二SIM在非激活状态可以根据基站信号的变化或者终端的移动情况变更变驻留基站。第二SIM的信息可以用于表征第二SIM，例如，第二SIM的信息可以是第二SIM的国际移动用户识别码(IMSI，International Mobile Subscriber Identity)等。第二基站可以通过第二SIM的信息确定第二SIM。
将第二SIM当前驻留的基站切换到第二基站，是指将第二基站作为第二SIM的锚点基站，使得第二SIM在从非激活状态切换状态时，可以向第二基站发起RRC重连接或者接收第二基站寻呼。
如此，当第一SIM从第一基站切换到第二基站时，将第二SIM的驻留基站从当前驻留的基站切换到第二基站，减少由于基站信号变化或者终端移动产生的第二SIM无法与当前驻留的基站恢复RRC连接以及第二SIM当前驻留的基站无法寻呼到第二SIM的情况，提高通信成功率。
在一个实施例中，如图3所示，所述方法还包括：
步骤202：通过所述第一SIM，接收所述第二基站响应于所述第二SIM的信息发送的驻留指示，其中，所述驻留指示，用于指示将所述第二SIM的驻留到第二基站。
将第二基站作为第二SIM的锚点基站，第二基站需要具有第二SIM的上下文信息，并且第二基站需要具有核心网与第二SIM的通信连接。这里，在5G移动通信网络中，核心网与第二SIM的通信连接在网络侧包括：核心网与第二SIM所驻留基站之间的下一代(NG，Next Generation)连接。第二基站驻留第二SIM需要与核心网建立用于第二SIM通信传输的NG连接。
第二基站接收到第二SIM的信息后，可以基于第二SIM的标识信息从第二SIM当前驻留的基站获取第二SIM的上下文信息，以及向核心网请求，将第二SIM的通信连接从第二SIM当前驻留的基站切换到第二基站。
当第二基站获取到第二SIM的上下文信息，并且第二SIM的通信连接从第二SIM当前驻留的基站切换到第二基站时，第二基站可以向第一SM发送驻留指示，指示将第二SIM驻留到第二基站，从而满足基站侧驻留第二SIM的要求。
示例性的，第二SIM当前驻留的基站可以是第一基站，第二基站接收到第二SIM的信息后，可以基于第二SIM的标识信息从第一基站获取第二SIM的上下文信息，以及向核心网请求，将第二SIM的通信连接从第一基站切换到第二基站。
在一个实施例中，所述第二SIM的信息，包括：所述第二SIM的标识信息及状态信息。
这里，可以通过与第二基站建立连接的第一SIM发送第二SIM的信息。第二SIM的信息可以包括：可以以标识第二SIM的标识信息，如：国际移动用户识别码(IMSI，International Mobile Subscriber Identity)、和无线网络 临时标识(RNTI，Radio Network Temporary Identity、和非激活无线网络临时标识(I-RNTI，Inactive Radio Network Temporary Identity)等。
第二SIM的信息还可以包括：第二SIM所处的状态信息，即指示第二SIM处于非激活状态的指示信息。第二SIM的信息还可以包括：第二SIM当前驻留的基站信息等。
第二基站确定第二SIM的标识信息并确定第二SIM的非激活状态后，可以驻留第二SIM。
第二基站在获得第二SIM的标识信息和状态信息后，通过基站间的接口，例如5G移动通信中的Xn接口/X2接口向第二SIM当前驻留的基站去请求第二SIM当前驻留的基站存储的第二SIM的上下文信息。第二基站可以通过上下文信息请求的形式向第二SIM当前驻留的基站请求发送第二SIM当前驻留的基站存储的第二SIM的上下文信息。
示例性的，第二基站可以通过发送取回用户设备上下文请求(RETRIEVE UE CONTEXT REQUEST)信令请求第二SIM的上下文信息。
第二SIM当前驻留的基站在收到第二基站发送的上下文信息请求后，可以通过基站间的接口，例如5G移动通信中的Xn接口/X2接口将第二基站请求的上下文信息发送给第二基站。
示例性的，可以通过取回用户设备上下文响应(RETRIEVE UE CONTEXT RESPONSE)信令回复第二基站，在取回用户设备上下文响应信令中携带第二SIM的上下文信息。
接收到的所述第二SIM当前驻留的基站发送的第二SIM的上下文信息中，具有第二SIM的逻辑连接关系。可以根据逻辑连接关系确定核心网的AMF与第二SIM当前驻留的基站之间的用于第二SIM通信传输的通信路径。
第二基站可以向核心网发送路径切换请求，将核心网与第二SIM当前 驻留的基站之间的第二SIM的通信路径，切换到第二基站。
在一些实施例中，路径切换请求可以至少包括：切换后的目标路径的指示信息。
在另一些实施例中，路径切换请求可以包括原路径的指示以及目标路径的指示。其中，原路径是指核心网与第二SIM当前驻留的基站之间的用于第二SIM通信传输的通信路径，目标路径是指核心网与第二基站之间的用于第二SIM通信传输的通信路径。
核心网接收到路径切换请求后，对第二SIM的通信路径进行切换。响应于路径切换成功，向第二基站发送路径切换成功指示。第二基站接收到径切换成功指示，可以确定第二SIM的通信路径已经切换到第二基站。
在一个实施例中，所述方法还包括：
响应于接收到所述驻留指示，将所述第二SIM驻留到所述第二基站。
第二基站接收到路径切换成功指示，并且确定获取到第二SIM的上下文信息，则第二基站向第一SIM发送驻留指示，指示第二SIM驻留到第二基站。
终端接收到驻留指示，可以确定第二基站已经满足驻留第二SIM的要求，即第二基站具有到第二SIM的上下文信息，并且第二SIM的通信连接从第二SIM当前驻留的基站切换到第二基站。
终端可以将第二SIM驻留到第二基站。使得第二SIM在从非激活状态切换状态时，可以向第二基站发起RRC重连接或者接收第二基站寻呼。
在一个实施例中，所述响应于接收到所述驻留指示，将所述第二SIM驻留到所述第二基站，包括：
响应于所述第一SIM将接收到的所述驻留指示转发给所述第二SIM，将所述第二SIM驻留到所述第二基站。
这里，由于第一SIM处于连接态，因此，由第一SIM接收驻留指示可 以不唤醒第二SIM，使第二SIM保持在非激活态，节省第二SIM的功耗开销。
第二SIM接收到第一SIM转发的驻留指示后，可以驻留到第二基站。这里，可以第二基站可以在驻留指示中设置第二基站的标识信息，第二SIM可以根据第二基站的标识信息确定驻留的基站。或者，也可以由终端确定发送驻留指示的基站，将第二SIM驻留到发送驻留指示的基站。
在一个实施例中，所述接收所述第二基站响应于所述第二SIM的信息发送的驻留指示，包括以下至少之一：
接收所述第二基站发送的携带有所述驻留指示的无线资源控制RRC信令；
接收所述第二基站发送的携带有所述驻留指示的媒体访问控制控制单元MAC CE信令；
接收所述第二基站发送的携带有所述驻留指示的物理下行控制信道PDCCH信令。
驻留指示可以携带在RRC信令、MAC CE信令、或PDCCH信令中发送给第一SIM。
可以在现有的RRC信令、MAC CE信令、或PDCCH信令的预留比特位中携带驻留指示。如此，可以提高信令的信息量，提高信令利用率。也可以新增特定的RRC信令、MAC CE信令、或PDCCH信令携带驻留指示。
在一个实施例中，所述驻留指示包括：所述第二SIM的通信路径成功从所述第二SIM当前驻留的基站切换到第二基站的指示。
这里，第二基站发送的驻留指示可以是指示第二SIM的通信路径成功从第二SIM当前驻留的基站切换到第二基站。终端获取到该指示后，可以确定第二SIM的通信路径已经切换到第二基站，因此，终端可以将第二SIM驻留到第二基站。
在一个实施例中，所述第二SIM当前驻留的基站包括：所述第一基站。
第一SIM和第二SIM可以同时驻留在第一基站。响应于第一SIM从第一基站向第二基站切换，终端将第二SIM驻留到第二基站。
由于第一SIM从第一基站向第二基站切换会进行第一基站的信号测量，因此，当第一SIM从第一基站向第二基站时，可以确定第二基站具有较佳的信号质量等通信环境。如此，将将第二SIM驻留到第二基站可以使第二SIM获得较佳的信号质量，提高第二SIM从非激活态切换到连接态的成功率。
在一个实施例中，所述向所述第二基站发送第二SIM的信息，包括：
通过所述第一SIM，向所述第二基站发送携带有所述第二SIM的信息的RRC重配置完毕信令。
第一SIM可以在从第二SIM当前驻留的基站切换到第二基站过程中的RRC重配置完毕(RRCReconfigurationComplete)信令中携带第二SIM的信息通知第二基站驻留第二SIM。
采用RRC重配置完毕信令携带第二SIM的信息，一方面，发送RRC重配置完毕信令，可以确定第一SIM已经切换到第二基站，可以确保第一SIM切换成功的情况下，第一时间切换第二SIM的驻留基站。确保第一SIM和第二SIM可以驻留到同一基站。保证第二SIM的通信质量。另一方面，可以提高RRC重配置完毕信令的信息量，提高信令利用率。
如图4所示，本示例性实施例提供一种基站切换方法，基站切换方法可以应用于移动通信网络中的第二基站中，包括：
步骤401：接收终端发送的第二SIM的信息，其中，所述第二SIM是响应于第一SIM从第一基站向第二基站切换发送的，所述第二SIM的信息用于将处于非激活态的第二SIM驻留在所述第二基站，其中，所述第一SIM处于连接态；
步骤402：基于所述第二SIM的信息，确定将处于非激活态的所述第二SIM从所述第二SIM当前驻留的基站切换到所述第二基站。
这里，所述终端可以是多SIM终端，所述终端的行为模式可以是双卡双待单通、双卡双待双通等。移动通信网络可以包括4G移动通信网络或5G移动通信网络等。第一SIM和第二SIM是同属于多SIM终端中的SIM，但是是不同的SIM。
SIM可以是以单独个体形式存在的SIM卡或以集成形式存在于终端内部在的集成用户识别模块(e-SIM，embedded Subscriber Identification Module)等。
第一SIM可以处于连接状态。第一基站可以是第一SIM当前驻留的基站。处于非激活态的第二SIM也可以是驻留在第一基站的SIM，第二SIM也可以驻留在其他基站。
非激活态的第二SIM驻留的基站被称为的锚点基站。核心网发送给第二SIM的寻呼信息通过锚点基站转发给第二SIM，当第二SIM从非激活态切换到连接态时，可以向锚点基站发送恢复(resume)请求。
响应于终端将第一SIM从第一基站向第二基站切换，可以包括：响应于终端将第一SIM从第一基站向第二基站切换的过程中，或者，终端将第一SIM从第一基站切换到第二基站。
第一SIM处于连接状态并驻留在第一基站，在移动过程中按照第一基站的配置进行测量。当满足第一基站设定的测量上报条件后第一SIM向第一基站进行测量上报。例如：测量到符合切换条件的第二基站。第一基站在决定为第一SIM进行切换时通过Xn接口或X2接口向第二基站发送切换请求(HANDOVER REQUEST)信令。第二基站如果接受第一基站的切换请求会通过Xn接口或X2接口向第一基站发送切换请求确认(HANDOVER REQUEST ACKNOWLEDGE)信令。第一基站收到第二基站通过Xn接口 发送的切换请求确认信令后，向第一SIM发送RRC重配置(RRCReconfiguration)信令。第一SIM在收到第一基站发送的RRC重配置信令后，根据信令中的配置与第二基站建立RRC连接，进而第一SIM完成从第一基站切换到第二基站。
第一SIM从第一基站向第二基站切换，可以认为第二基站具有较好的信号质量，或者，终端有从第一基站向第二基站移动的趋势，随着终端继续移动，可能出现终端离开第一基站信号覆盖范围的情况。如果第二SIM仍然驻留在当前驻留的基站，出现无法恢复与第一基站RRC连接的几率会增加。
因此，当第一SIM从第一基站切换到第二基站时，终端可以将第二SIM的信息发送给第二基站，请求将第二SIM驻留到第二基站。使第二SIM在非激活状态可以根据基站信号的变化或者终端的移动情况变更变驻留基站。第二SIM的信息可以用于表征第二SIM，例如，第二SIM的信息可以是第二SIM的国际移动用户识别码(IMSI，International Mobile Subscriber Identity)等。第二基站可以通过第二SIM的信息确定第二SIM。
将第二SIM当前驻留的基站切换到第二基站，是指将第二基站作为第二SIM的锚点基站，使得第二SIM在从非激活状态切换状态时，可以向第二基站发起RRC重连接或者接收第二基站寻呼。
如此，当第一SIM从第一基站切换到第二基站时，将第二SIM的驻留基站从第二SIM当前驻留的基站切换到第二基站，减少由于基站信号变化或者终端移动产生的第二SIM无法与第二SIM当前驻留的基站恢复RRC连接以及第二SIM当前驻留的基站无法寻呼到第二SIM的情况，提高通信成功率。
在一个实施例中，所述基于所述第二SIM的信息，确定将处于非激活态的所述第二SIM从所述第二SIM当前驻留的基站切换到所述第二基站， 包括以下各项中的至少一项：
基于所述第二SIM的信息，从第二SIM当前驻留的基站获取所述第二SIM的上下文信息；
请求核心网将所述第二SIM的通信路径切换到第二基站；
响应于成功获取到第二SIM的上下文信息，并确定核心网将所述第二SIM的通信路径切换到所述第二基站，将处于非激活态的所述第二SIM的驻留基站从所述第二SIM当前驻留的基站切换到所述第二基站。
将第二基站作为第二SIM的锚点基站，第二基站需要具有第二SIM的上下文信息，并且第二基站需要具有核心网与第二SIM的通信连接。这里，在5G移动通信网络中，核心网与第二SIM的通信连接在网络侧包括：核心网与第二SIM所驻留基站之间的下一代(NG，Next Generation)连接。第二基站驻留第二SIM需要与核心网建立用于第二SIM通信传输的NG连接。
第二基站接收到第二SIM的信息后，可以基于第二SIM的标识信息从第二SIM当前驻留的基站获取第二SIM的上下文信息，以及向核心网请求，将第二SIM的通信连接从第二SIM当前驻留的基站切换到第二基站。
当第二基站获取到第二SIM的上下文信息，并且第二SIM的通信连接从第二SIM当前驻留的基站切换到第二基站时，第二基站可以向第一SM发送驻留指示，指示将第二SIM驻留到第二基站，从而满足基站侧驻留第二SIM的要求。
示例性的，第二SIM当前驻留的基站可以是第一基站，第二基站接收到第二SIM的信息后，可以基于第二SIM的标识信息从第一基站获取第二SIM的上下文信息，以及向核心网请求，将第二SIM的通信连接从第一基站切换到第二基站。
在一个实施例中，所述第二SIM的信息，包括：所述第二SIM的标识 信息及状态信息。
这里，可以通过与第二基站建立连接的第一SIM发送第二SIM的信息。第二SIM的信息可以包括：可以以标识第二SIM的标识信息，如：国际移动用户识别码(IMSI，International Mobile Subscriber Identity)、和无线网络临时标识(RNTI，Radio Network Temporary Identity)、和非激活无线网络临时标识(I-RNTI，Inactive Radio Network Temporary Identity)等。
第二SIM的信息还可以包括：第二SIM所处的状态信息，即指示第二SIM处于非激活状态的指示信息。第二SIM的信息还可以包括：第二SIM当前驻留的基站信息等。
第二基站确定第二SIM的标识信息并确定第二SIM的非激活状态后，可以驻留第二SIM。
在一个实施例中，所述基于所述第二SIM的信息，从所述第二SIM当前驻留的基站获取所述第二SIM的上下文信息，包括：
基于所述第二SIM的信息，向所述第二SIM的当前驻留基站发送上下文信息请求，其中，所述上下文信息请求用于请求所述第二SIM的上下文信息；
接收所述第二SIM当前驻留的基站响应于所述上下文信息请求发送的所述第二SIM的所述上下文信息。
第二基站在获得第二SIM的标识信息和状态信息后，通过基站间的接口，例如5G移动通信中的Xn接口/X2接口向第二SIM当前驻留的基站去请求第二SIM当前驻留的基站存储的第二SIM的上下文信息。第二基站可以通过上下文信息请求的形式向第二SIM当前驻留的基站请求发送第二SIM当前驻留的基站存储的第二SIM的上下文信息。
示例性的，第二基站可以通过发送取回用户设备上下文请求(RETRIEVE UE CONTEXT REQUEST)信令请求第二SIM的上下文信息。
第二SIM当前驻留的基站在收到第二基站发送的上下文信息请求后，可以通过基站间的接口，例如5G移动通信中的Xn接口/X2接口将第二基站请求的上下文信息发送给第二基站。
示例性的，可以通过取回用户设备上下文响应(RETRIEVE UE CONTEXT RESPONSE)信令回复第二基站，在取回用户设备上下文响应信令中携带第二SIM的上下文信息。
在一个实施例中，所述请求核心网将所述第二SIM的通信路径切换到第二基站，包括：
基于接收到的所述第二SIM当前驻留的基站发送的所述上下文信息，向核心网发送路径切换请求，所述路径切换请求，用于向所述核心网请求将所述核心网与所述第二SIM的通信路径从所述第二SIM当前驻留的基站切换到第二基站；
所述确定所述核心网将所述第二SIM的通信路径切换到所述第二基站，包括：
接收核心网响应于路径切换请求，发送的路径切换成功指示；
根据所述路径切换成功指示，确定所述第二SIM的通信路径从所述第二SIM当前驻留的基站成功切换到所述第二基站。
接收到的第二SIM当前驻留的基站发送的第二SIM的上下文信息中，具有第二SIM的逻辑连接关系。可以根据逻辑连接关系确定核心网的AMF与第二SIM当前驻留的基站之间的用于第二SIM信传输的通信路径。
第二基站可以向核心网发送路径切换请求，将核心网与第二SIM当前驻留的基站之间的第二SIM的通信路径，切换到第二基站。
在一些实施例中，路径切换请求可以至少包括：切换后的目标路径的指示信息。
在另一些实施例中，路径切换请求可以包括原路径的指示以及目标路 径的指示。其中，原路径是指核心网与第二SIM当前驻留的基站之间的用于第二SIM通信传输的通信路径，目标路径是指核心网与第二基站之间的用于第二SIM通信传输的通信路径。
核心网接收到路径切换请求后，对第二SIM的通信路径进行切换。响应于路径切换成功，向第二基站发送路径切换成功指示。第二基站接收到径切换成功指示，可以确定第二SIM的通信路径已经切换到第二基站。
在一个实施例中，所述方法还包括：
向所述第一SIM发送驻留指示；所述驻留指示用于指示将所述第二SIM驻留到所述第二基站。
第二基站接收到路径切换成功指示，并且确定获取到第二SIM的上下文信息，则第二基站向第一SIM发送驻留指示，指示第二SIM驻留到第二基站。
终端接收到驻留指示，可以确定第二基站已经满足驻留第二SIM的要求，即第二基站具有到第二SIM的上下文信息，并且第二SIM的通信连接从第二SIM当前驻留的基站切换到第二基站。
终端可以将第二SIM驻留到第二基站。使得第二SIM在从非激活状态切换状态时，可以向第二基站发起RRC重连接或者接收第二基站寻呼。
在一个实施例中，所述驻留指示，包括：所述第二SIM的通信路径成功从所述第二SIM当前驻留的基站切换到第二基站的指示。
这里，第二基站发送的驻留指示可以是指示第二SIM的通信路径成功从第二SIM当前驻留的基站切换到第二基站。终端获取到该指示后，可以确定第二SIM的通信路径已经切换到第二基站，因此，终端可以将第二SIM驻留到第二基站。
在一个实施例中，所述向所述第一SIM发送驻留指示，包括：
向第一SIM发送携带有所述驻留指示的无线资源控制RRC信令；
向第一SIM发送携带有所述驻留指示的媒体访问控制控制单元MAC CE信令；
向第一SIM发送携带有所述驻留指示的物理下行控制信道PDCCH信令。
驻留指示可以携带在RRC信令、MAC CE信令、或PDCCH信令中发送给第一SIM。
可以在现有的RRC信令、MAC CE信令、或PDCCH信令的预留比特位中携带驻留指示。如此，可以提高信令的信息量，提高信令利用率。也可以新增特定的RRC信令、MAC CE信令、或PDCCH信令携带驻留指示。
在一个实施例中，所述接收终端发送的第二SIM的信息，包括：
接收所述第一SIM向所述第二基站发送的携带有所述第二SIM的信息的RRC重配置完毕信令。
第一SIM可以在从第二SIM当前驻留的基站切换到第二基站过程中的RRC重配置完毕(RRCReconfigurationComplete)信令中携带第二SIM的信息通知第二基站驻留第二SIM。
采用RRC重配置完毕信令携带第二SIM的信息，一方面，发送RRC重配置完毕信令，可以确定第一SIM已经切换到第二基站，可以确保第一SIM切换成功的情况下，第一时间切换第二SIM的驻留基站。确保第一SIM和第二SIM可以驻留到同一基站。保证第二SIM的通信质量。另一方面，可以提高RRC重配置完毕信令的信息量，提高信令利用率
在一个实施例中，所述第二SIM当前驻留的基站，包括：所述第一基站。
第一SIM和第二SIM可以同时驻留在第一基站。响应于第一SIM从第一基站向第二基站切换，终端将第二SIM驻留到第二基站。
由于第一SIM从第一基站向第二基站切换会进行第一基站的信号测 量，因此，当第一SIM从第一基站向第二基站时，可以确定第二基站具有较佳的信号质量等通信环境。如此，将将第二SIM驻留到第二基站可以使第二SIM获得较佳的信号质量，提高第二SIM从非激活态切换到连接态的成功率。
如图5所示，本示例性实施例提供一种基站切换方法，基站切换方法可以应用于移动通信网络中的第一基站中，包括：
步骤501：接收第二基站发送的上下文信息请求，所述上下文信息请求用于请求处于非激活态的用户识别模块SIM的上下文信息；
步骤502：响应于接收到所述上下文信息请求，向所述第二基站发送的所述SIM的所述上下文信息。
这里，第一基站可以是终端的SIM当前驻留的基站。第二基站可以是SIM驻留的目标基站。
上下文信息中具有SIM的逻辑连接关系。因此，第二基站需要获取到上行文信息才能驻留SIM。
第二基站可以向第一基站去请求第一基站存储的第二SIM的上下文信息。第二基站可以通过上下文信息请求的形式向第一基站请求发送第一基站存储的第二SIM的上下文信息。
示例性的，第二基站可以通过发送取回用户设备上下文请求(RETRIEVE UE CONTEXT REQUEST)信令请求第二SIM的上下文信息。
第一基站在收到第二基站发送的上下文信息请求后，可以通过基站间的接口，例如5G移动通信中的Xn接口将第二基站请求的上下文信息发送给第二基站。
示例性的，可以通过取回用户设备上下文响应(RETRIEVE UE CONTEXT RESPONSE)信令回复第二基站，在取回用户设备上下文响应信令中携带第二SIM的上下文信息。
如此，通过获取上行文信息可以是第二基站可以驻留处于非激活状态的SIM，提供了一种非激活状态的SIM驻留基站的方法，提高非激活状态的SIM驻留基站的灵活性。在一个实施例中，所述接收第二基站发送的上下文信息请求，包括：
通过所述第一基站与所述第二基站之间的基站间接口，接收所述第一基站发送的上下文信息请求；
向第二基站发送的所述SIM的所述上下文信息，包括：
通过所述基站间接口，向所述第二基站发送的所述SIM的所述上下文信息。
第二基站可以通过基站间的接口，例如5G移动通信中的Xn接口向第一基站去请求第一基站存储的第二SIM的上下文信息。第二基站可以通过上下文信息请求的形式向第一基站请求发送第一基站存储的第二SIM的上下文信息。
示例性的，第二基站可以通过发送取回用户设备上下文请求(RETRIEVE UE CONTEXT REQUEST)信令请求第二SIM的上下文信息。
第一基站在收到第二基站发送的上下文信息请求后，可以通过基站间的接口，例如5G移动通信中的Xn接口将第二基站请求的上下文信息发送给第二基站。
示例性的，可以通过取回用户设备上下文响应(RETRIEVE UE CONTEXT RESPONSE)信令回复第二基站，在取回用户设备上下文响应信令中携带第二SIM的上下文信息。
以下结合上述任意实施例提供一个具体示例：
连接态SIM卡切换的目标基站可以通过切换流程知道该卡所在多卡终端的处于非激活态SIM卡的信息和状态，从而实时获知非激活态用户的位置，提高连接效率。
2.2本发明技术方案的完整内容
多卡终端有处于非激活态的SIM卡#1和处于连接态的SIM卡#2。
SIM卡#2在移动过程中按照基站#1的配置进行测量。当满足基站#1设定的测量上报条件后SIM卡#2向基站#1进行测量上报。例如：测量到符合切换条件的基站#2。
基站#1在决定为SIM卡#2进行切换时通过Xn接口向基站#2发送切换请求(HANDOVER REQUEST)信令。
基站#2如果接受基站#1的切换请求会通过Xn接口向基站#1发送切换请求确认(HANDOVER REQUEST ACKNOWLEDGE)信令。
基站#1收到基站#2通过Xn接口发送的切换请求确认信令后，向SIM卡#2发送RRC重配置(RRCReconfiguration)信令。
SIM卡#2在收到基站#1发送的RRC重配置信令后，根据信令中的配置与基站#2建立RRC连接。
SIM卡#2在与基站#2建立RRC连接成功后，会向基站#2发送RRC重配置完毕(RRCReconfigurationComplete)信令，并且在该信令中告知基站#2，SIM卡#2所在多卡终端上有SIM卡#1的信息和状态。或者SIM卡#2如果知道SIM卡#1的信息和状态可以直接将该信息和状态通过RRC重配置完毕(RRCReconfigurationComplete)信令告知基站#2。
SIM卡#2可以与基站#2建立RRC连接成功后告知SIM卡#1其切换到基站#2，则SIM卡#1选择SIM卡#2切换后的基站#2进行驻留作为锚点(anchor)基站。
基站#2在获得SIM卡#1的信息和状态后，通过Xn接口向基站#1去请求基站#1存储的SIM卡#1的信息和状态。可以通过取回终端上行文请求(RETRIEVE UE CONTEXT REQUEST)信令请求基站#1存储的SIM卡#1的上下文信息。
基站#1在收到基站#2获得其存储的SIM卡#1的信息和状态的请求后，通过Xn接口将请求的信息回复基站#2。可以通过取回终端上行文响应(RETRIEVE UE CONTEXT RESPONSE)信令回复。
基站#2在获得基站#1存储的SIM卡#1的上行文信息后，向核心网请求针对SIM卡#1进行路径切换。
核心网在收到基站#2发送的针对SIM卡#1的路径切换请求后，向基站#2发送路径切换请求回复信令来确认路径切换成功。
基站#2在完成针对SIM卡#1的路径切换之后，向SIM卡#2发送信令告知其SIM卡#1的路径已经切换到基站#2上。该信令可以为RRC信令或者MAC CE信令，或者PDCCH信令。
SIM卡#2在收到基站#2发送的SIM卡#1路径切换成功信令后，告知SIM卡#1其路径已经切换到基站#2。这样SIM卡#1会选择基站#2进行驻留并将其作为锚点基站。
当网络有下行数据发送给SIM卡#1时，核心网的接入和移动管理功能(AMF，Access and Mobility Management)会直接向基站#2发送寻呼信令，而不是基站#1，并且基站#1也不用再向SIM卡#1的接入网(RAN，Radio Access Network)中的其他基站发送接入网寻呼(RAN Paging)来寻找SIM卡#1。
当SIM卡#1有上行数据需要传输时，SIM卡#1会直接向基站#2发起RRC恢复流程来恢复RRC连接。
本发明实施例还提供了一种基站切换装置，应用于终端，图6为本发明实施例提供的基站切换装置100的组成结构示意图；如图6所示，装置100包括：第一发送模块110，其中，
所述第一发送模块110，配置为响应于终端将第一SIM从第一基站向第二基站切换，向所述第二基站发送第二SIM的信息，其中，所述第二SIM 的信息，用于将处于非激活态的第二SIM驻留在所述第二基站，其中，所述第一SIM处于连接态。
在一个实施例中，所述装置100还包括：
第一接收模块120，配置为通过所述第一SIM，接收所述第二基站响应于所述第二SIM的信息发送的驻留指示，其中，所述驻留指示，用于指示将所述第二SIM的驻留到第二基站。
在一个实施例中，所述装置100还包括：
第一控制模块130，配置为响应于接收到所述驻留指示，将所述第二SIM驻留到所述第二基站。
在一个实施例中，所述第一控制模块130，包括：
第一控制子模块131，配置为响应于所述第一SIM将接收到的所述驻留指示转发给所述第二SIM，将所述第二SIM驻留到所述第二基站。
在一个实施例中，所述第一接收模块120，包括以下至少之一：
第一接收子模块121，配置为接收所述第二基站发送的携带有所述驻留指示的无线资源控制RRC信令；
第二接收子模块122，配置为接收所述第二基站发送的携带有所述驻留指示的媒体访问控制控制单元MAC CE信令；
第三接收子模块123，配置为接收所述第二基站发送的携带有所述驻留指示的物理下行控制信道PDCCH信令。
在一个实施例中，所述驻留指示包括：所述第二SIM的通信路径成功从所述第二SIM当前驻留的基站切换到第二基站的指示。
在一个实施例中，所述第二SIM当前驻留的基站包括：所述第一基站。
在一个实施例中，所述第一发送模块110，包括：
第一发送子模块111，配置为通过所述第一SIM，向所述第二基站发送携带有所述第二SIM的信息的RRC重配置完毕信令。
在一个实施例中，所述第二SIM的信息，包括：所述第二SIM的标识信息及状态信息。
本发明实施例还提供了一种基站切换装置，应用于第二基站，图7为本发明实施例提供的基站切换装置200的组成结构示意图；如图7所示，装置200包括：第二接收模块210和第二控制模块220，其中，
所述第二接收模块210，配置为接收终端发送的第二SIM的信息，其中，所述第二SIM是响应于第一SIM从第一基站向第二基站切换发送的，所述第二SIM的信息用于将处于非激活态的第二SIM驻留在所述第二基站，其中，所述第一SIM处于连接态；
所述第二控制模块220，配置为基于所述第二SIM的信息，确定将处于非激活态的所述第二SIM从所述第二SIM当前驻留的基站切换到所述第二基站。
在一个实施例中，所述第二控制模块220，包括以下至少之一：
第一获取子模块221，配置为基于所述第二SIM的信息，从第二SIM当前驻留的基站获取所述第二SIM的上下文信息；
请求子模块222，配置为请求核心网将所述第二SIM的通信路径切换到第二基站；
第二控制子模块223，配置为响应于成功获取到第二SIM的上下文信息，并确定核心网将所述第二SIM的通信路径切换到所述第二基站，将处于非激活态的所述第二SIM的驻留基站从所述第二SIM当前驻留的基站切换到所述第二基站。
在一个实施例中，所述第一获取子模块221，包括：
发送单元2211，配置为基于所述第二SIM的信息，向所述第二SIM的当前驻留基站发送上下文信息请求，其中，所述上下文信息请求用于请求所述第二SIM的上下文信息；
第一接收单元2212，接收所述第二SIM当前驻留的基站响应于所述上下文信息请求发送的所述第二SIM的所述上下文信息。
在一个实施例中，所述请求子模块222，包括：
请求单元2221，配置为基于接收到的所述第二SIM当前驻留的基站发送的所述上下文信息，向核心网发送路径切换请求，所述路径切换请求，用于向所述核心网请求将所述核心网与所述第二SIM的通信路径从所述第二SIM当前驻留的基站切换到第二基站；
第二控制子模块223，包括：
第二接收单元2231，配置为接收核心网响应于路径切换请求，发送的路径切换成功指示；
确定单元2232，配置为根据所述路径切换成功指示，确定所述第二SIM的通信路径从所述第二SIM当前驻留的基站成功切换到所述第二基站。
在一个实施例中，所述装置200还包括：
第二发送模块230，配置为向所述第一SIM发送驻留指示；所述驻留指示用于指示将所述第二SIM驻留到所述第二基站。
在一个实施例中，所述驻留指示，包括：所述第二SIM的通信路径成功从所述第二SIM当前驻留的基站切换到第二基站的指示。
在一个实施例中，所述第二发送模块230，包括：
第二发送子模块231，配置为向第一SIM发送携带有所述驻留指示的无线资源控制RRC信令；
第三发送子模块232，配置为向第一SIM发送携带有所述驻留指示的媒体访问控制控制单元MAC CE信令；
第四发送子模块233，配置为向第一SIM发送携带有所述驻留指示的物理下行控制信道PDCCH信令。
在一个实施例中，所述第二接收模块210，包括：
第四接收子模块211，配置为接收所述第一SIM向所述第二基站发送的携带有所述第二SIM的信息的RRC重配置完毕信令。
在一个实施例中，所述第二SIM的信息，包括：所述第二SIM的标识信息及状态信息。
在一个实施例中，所述第二SIM当前驻留的基站，包括：所述第一基站。
本发明实施例还提供了一种基站切换装置，应用于第一基站，图8为本发明实施例提供的基站切换装置300的组成结构示意图；如图8所示，装置300包括：第三接收模块和310第三发送模块320，其中，
所述第三接收模块310，配置为接收第二基站发送的上下文信息请求，所述上下文信息请求用于请求处于非激活态的用户识别模块SIM的上下文信息；
所述第三发送模块320，配置为响应于接收到所述上下文信息请求，向所述第二基站发送的所述SIM的所述上下文信息。
在一个实施例中，所述第三接收模块310，包括：
第五接收子模块311，配置为通过所述第一基站与所述第二基站之间的基站间接口，接收所述第一基站发送的上下文信息请求；
所述第三发送模块320，包括：
第五发送子模块321，配置为通过所述基站间接口，向所述第二基站发送的所述SIM的所述上下文信息。
在示例性实施例中，第一发送模块110、第一接收模块120、第一控制模块130、第二接收模块210、第二控制模块220、第二发送模块230、第三接收模块和310和第三发送模块320等可以被一个或多个中央处理器(CPU，Central Processing Unit)、图形处理器(GPU，Graphics Processing Unit)、基带处理器(BP，baseband processor)、应用专用集成电路(ASIC， Application Specific Integrated Circuit)、DSP、可编程逻辑器件(PLD，Programmable Logic Device)、复杂可编程逻辑器件(CPLD，Complex Programmable Logic Device)、现场可编程门阵列(FPGA，Field-Programmable Gate Array)、通用处理器、控制器、微控制器(MCU，Micro Controller Unit)、微处理器(Microprocessor)、或其他电子元件实现，也可以结合一个或多个射频(RF，radio frequency)天线实现，用于执行前述方法。
图9是根据一示例性实施例示出的一种用于基站切换的装置3000的框图。例如，装置3000可以是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等。
参照图9，装置3000可以包括以下一个或多个组件：处理组件3002，存储器3004，电源组件3006，多媒体组件3008，音频组件3010，输入/输出(I/O)的接口3012，传感器组件3014，以及通信组件3016。
处理组件3002通常控制装置3000的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件3002可以包括一个或多个处理器3020来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件3002可以包括一个或多个模块，便于处理组件3002和其他组件之间的交互。例如，处理组件3002可以包括多媒体模块，以方便多媒体组件3008和处理组件3002之间的交互。
存储器3004被配置为存储各种类型的数据以支持在设备3000的操作。这些数据的示例包括用于在装置3000上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器3004可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电源组件3006为装置3000的各种组件提供电力。电源组件3006可以包括电源管理系统，一个或多个电源，及其他与为装置3000生成、管理和分配电力相关联的组件。
多媒体组件3008包括在装置3000和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件3008包括一个前置摄像头和/或后置摄像头。当设备3000处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件3010被配置为输出和/或输入音频信号。例如，音频组件3010包括一个麦克风(MIC)，当装置3000处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器3004或经由通信组件3016发送。在一些实施例中，音频组件3010还包括一个扬声器，用于输出音频信号。
I/O接口3012为处理组件3002和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件3014包括一个或多个传感器，用于为装置3000提供各个方面的状态评估。例如，传感器组件3014可以检测到设备3000的打开/关闭状态，组件的相对定位，例如组件为装置3000的显示器和小键盘，传感器组件3014还可以检测装置3000或装置3000一个组件的位置改变，用户 与装置3000接触的存在或不存在，装置3000方位或加速/减速和装置3000的温度变化。传感器组件3014可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件3014还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件3014还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件3016被配置为便于装置3000和其他设备之间有线或无线方式的通信。装置3000可以接入基于通信标准的无线网络，如Wi-Fi，2G或3G，或它们的组合。在一个示例性实施例中，通信组件3016经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，通信组件3016还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置3000可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器3004，上述指令可由装置3000的处理器3020执行以完成上述方法。例如，非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本发明实施例的其它实施方案。本申请旨在涵盖本发明实施例的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本发明实施例 的一般性原理并包括本公开实施例未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本发明实施例的真正范围和精神由下面的权利要求指出。
应当理解的是，本发明实施例并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本发明实施例的范围仅由所附的权利要求来限制。

Claims (44)

  1. 一种基站切换方法，其中，应用于终端，所述方法包括：
    响应于终端将第一用户识别模块SIM从第一基站向第二基站切换，向所述第二基站发送第二SIM的信息，其中，所述第二SIM的信息，用于将处于非激活态的第二SIM驻留在所述第二基站，其中，所述第一SIM处于连接态。
  2. 根据权利要求1所述的方法，其中，所述方法还包括：
    通过所述第一SIM，接收所述第二基站响应于所述第二SIM的信息发送的驻留指示，其中，所述驻留指示，用于指示将所述第二SIM的驻留到第二基站。
  3. 根据权利要求2所述的方法，其中，所述方法还包括：
    响应于接收到所述驻留指示，将所述第二SIM驻留到所述第二基站。
  4. 根据权利要求3所述的方法，其中，所述响应于接收到所述驻留指示，将所述第二SIM驻留到所述第二基站，包括：
    响应于所述第一SIM将接收到的所述驻留指示转发给所述第二SIM，将所述第二SIM驻留到所述第二基站。
  5. 根据权利要求2所述的方法，其中，所述接收所述第二基站响应于所述第二SIM的信息发送的驻留指示，包括以下至少之一：
    接收所述第二基站发送的携带有所述驻留指示的无线资源控制RRC信令；
    接收所述第二基站发送的携带有所述驻留指示的媒体访问控制控制单元MAC CE信令；
    接收所述第二基站发送的携带有所述驻留指示的物理下行控制信道PDCCH信令。
  6. 根据权利要求2所述的方法，其中，所述驻留指示包括：所述第二 SIM的通信路径成功从所述第二SIM当前驻留的基站切换到第二基站的指示。
  7. 根据权利要求6所述的方法，其中，所述第二SIM当前驻留的基站包括：所述第一基站。
  8. 根据权利要求1至7任一项所述的方法，其中，所述向所述第二基站发送第二SIM的信息，包括：
    通过所述第一SIM，向所述第二基站发送携带有所述第二SIM的信息的RRC重配置完毕信令。
  9. 根据权利要求1至7任一项所述的方法，其中，所述第二SIM的信息，包括：所述第二SIM的标识信息及状态信息。
  10. 一种基站切换方法，其中，应用于第二基站，所述方法包括：
    接收终端发送的第二用户识别模块SIM的信息，其中，所述第二SIM是响应于第一SIM从第一基站向第二基站切换发送的，所述第二SIM的信息用于将处于非激活态的第二SIM驻留在所述第二基站，其中，所述第一SIM处于连接态；
    基于所述第二SIM的信息，确定将处于非激活态的所述第二SIM从所述第二SIM当前驻留的基站切换到所述第二基站。
  11. 根据权利要求10所述的方法，其中，所述基于所述第二SIM的信息，确定将处于非激活态的所述第二SIM从所述第二SIM当前驻留的基站切换到所述第二基站，包括以下各项中的至少一项：
    基于所述第二SIM的信息，从第二SIM当前驻留的基站获取所述第二SIM的上下文信息；
    请求核心网将所述第二SIM的通信路径切换到第二基站；
    响应于成功获取到第二SIM的上下文信息，并确定核心网将所述第二SIM的通信路径切换到所述第二基站，将处于非激活态的所述第二SIM的 驻留基站从所述第二SIM当前驻留的基站切换到所述第二基站。
  12. 根据权利要求11所述的方法，其中，所述基于所述第二SIM的信息，从所述第二SIM当前驻留的基站获取所述第二SIM的上下文信息，包括：
    基于所述第二SIM的信息，向所述第二SIM的当前驻留基站发送上下文信息请求，其中，所述上下文信息请求用于请求所述第二SIM的上下文信息；
    接收所述第二SIM当前驻留的基站响应于所述上下文信息请求发送的所述第二SIM的所述上下文信息。
  13. 根据权利要求11所述的方法，其中，所述请求核心网将所述第二SIM的通信路径切换到第二基站，包括：
    基于接收到的所述第二SIM当前驻留的基站发送的所述上下文信息，向核心网发送路径切换请求，所述路径切换请求，用于向所述核心网请求将所述核心网与所述第二SIM的通信路径从所述第二SIM当前驻留的基站切换到第二基站；
    所述确定所述核心网将所述第二SIM的通信路径切换到所述第二基站，包括：
    接收核心网响应于路径切换请求，发送的路径切换成功指示；
    根据所述路径切换成功指示，确定所述第二SIM的通信路径从所述第二SIM当前驻留的基站成功切换到所述第二基站。
  14. 根据权利要求11所述的方法，其中，所述方法还包括：
    向所述第一SIM发送驻留指示；所述驻留指示用于指示将所述第二SIM驻留到所述第二基站。
  15. 根据权利要求14所述的方法，其中，所述驻留指示，包括：所述第二SIM的通信路径成功从所述第二SIM当前驻留的基站切换到第二基站 的指示。
  16. 根据权利要求14所述的方法，其中，所述向所述第一SIM发送驻留指示，包括：
    向第一SIM发送携带有所述驻留指示的无线资源控制RRC信令；
    向第一SIM发送携带有所述驻留指示的媒体访问控制控制单元MAC CE信令；
    向第一SIM发送携带有所述驻留指示的物理下行控制信道PDCCH信令。
  17. 根据权利要求10至16任一项所述的方法，其中，所述接收终端发送的第二SIM的信息，包括：
    接收所述第一SIM向所述第二基站发送的携带有所述第二SIM的信息的RRC重配置完毕信令。
  18. 根据权利要求10至16任一项所述的方法，其中，所述第二SIM的信息，包括：所述第二SIM的标识信息及状态信息。
  19. 根据权利要求10至16任一项所述的方法，其中，所述第二SIM当前驻留的基站，包括：所述第一基站。
  20. 一种基站切换方法，其中，应用于第一基站，所述方法包括：
    接收第二基站发送的上下文信息请求，所述上下文信息请求用于请求处于非激活态的用户识别模块SIM的上下文信息；
    响应于接收到所述上下文信息请求，向所述第二基站发送的所述SIM的所述上下文信息。
  21. 根据权利要求20所述的方法，其中，所述接收第二基站发送的上下文信息请求，包括：
    通过所述第一基站与所述第二基站之间的基站间接口，接收所述第一基站发送的上下文信息请求；
    向第二基站发送的所述SIM的所述上下文信息，包括：
    通过所述基站间接口，向所述第二基站发送的所述SIM的所述上下文信息。
  22. 一种基站切换装置，其中，应用于终端，所述装置包括：第一发送模块，其中，
    所述第一发送模块，配置为响应于终端将第一用户识别模块SIM从第一基站向第二基站切换，向所述第二基站发送第二SIM的信息，其中，所述第二SIM的信息，用于将处于非激活态的第二SIM驻留在所述第二基站，其中，所述第一SIM处于连接态。
  23. 根据权利要求22所述的装置，其中，所述装置还包括：
    第一接收模块，配置为通过所述第一SIM，接收所述第二基站响应于所述第二SIM的信息发送的驻留指示，其中，所述驻留指示，用于指示将所述第二SIM的驻留到第二基站。
  24. 根据权利要求23所述的装置，其中，所述装置还包括：
    第一控制模块，配置为响应于接收到所述驻留指示，将所述第二SIM驻留到所述第二基站。
  25. 根据权利要求24所述的装置，其中，所述第一控制模块，包括：
    第一控制子模块，配置为响应于所述第一SIM将接收到的所述驻留指示转发给所述第二SIM，将所述第二SIM驻留到所述第二基站。
  26. 根据权利要求23所述的装置，其中，所述第一接收模块，包括以下至少之一：
    第一接收子模块，配置为接收所述第二基站发送的携带有所述驻留指示的无线资源控制RRC信令；
    第二接收子模块，配置为接收所述第二基站发送的携带有所述驻留指示的媒体访问控制控制单元MAC CE信令；
    第三接收子模块，配置为接收所述第二基站发送的携带有所述驻留指示的物理下行控制信道PDCCH信令。
  27. 根据权利要求23所述的装置，其中，所述驻留指示包括：所述第二SIM的通信路径成功从所述第二SIM当前驻留的基站切换到第二基站的指示。
  28. 根据权利要求27所述的装置，其中，所述第二SIM当前驻留的基站包括：所述第一基站。
  29. 根据权利要求27至28任一项所述的装置，其中，所述第一发送模块，包括：
    第一发送子模块，配置为通过所述第一SIM，向所述第二基站发送携带有所述第二SIM的信息的RRC重配置完毕信令。
  30. 根据权利要求27至28任一项所述的装置，其中，所述第二SIM的信息，包括：所述第二SIM的标识信息及状态信息。
  31. 一种基站切换装置，其中，应用于第二基站，所述装置包括：第二接收模块和第二控制模块，其中，
    所述第二接收模块，配置为接收终端发送的第二用户识别模块SIM的信息，其中，所述第二SIM是响应于第一SIM从第一基站向第二基站切换发送的，所述第二SIM的信息用于将处于非激活态的第二SIM驻留在所述第二基站，其中，所述第一SIM处于连接态；
    所述第二控制模块，配置为基于所述第二SIM的信息，确定将处于非激活态的所述第二SIM从所述第二SIM当前驻留的基站切换到所述第二基站。
  32. 根据权利要求31所述的装置，其中，所述第二控制模块，包括以下至少之一：
    第一获取子模块，配置为基于所述第二SIM的信息，从第二SIM当前 驻留的基站获取所述第二SIM的上下文信息；
    请求子模块，配置为请求核心网将所述第二SIM的通信路径切换到第二基站；
    第二控制子模块，配置为响应于成功获取到第二SIM的上下文信息，并确定核心网将所述第二SIM的通信路径切换到所述第二基站，将处于非激活态的所述第二SIM的驻留基站从所述第二SIM当前驻留的基站切换到所述第二基站。
  33. 根据权利要求32所述的装置，其中，所述第一获取子模块，包括：
    发送单元，配置为基于所述第二SIM的信息，向所述第二SIM的当前驻留基站发送上下文信息请求，其中，所述上下文信息请求用于请求所述第二SIM的上下文信息；
    第一接收单元，接收所述第二SIM当前驻留的基站响应于所述上下文信息请求发送的所述第二SIM的所述上下文信息。
  34. 根据权利要求32所述的装置，其中，所述请求子模块，包括：
    请求单元，配置为基于接收到的所述第二SIM当前驻留的基站发送的所述上下文信息，向核心网发送路径切换请求，所述路径切换请求，用于向所述核心网请求将所述核心网与所述第二SIM的通信路径从所述第二SIM当前驻留的基站切换到第二基站；
    第二控制子模块，包括：
    第二接收单元，配置为接收核心网响应于路径切换请求，发送的路径切换成功指示；
    确定单元，配置为根据所述路径切换成功指示，确定所述第二SIM的通信路径从所述第二SIM当前驻留的基站成功切换到所述第二基站。
  35. 根据权利要求32所述的装置，其中，所述装置还包括：
    第二发送模块，配置为向所述第一SIM发送驻留指示；所述驻留指示 用于指示将所述第二SIM驻留到所述第二基站。
  36. 根据权利要求35所述的装置，其中，所述驻留指示，包括：所述第二SIM的通信路径成功从所述第二SIM当前驻留的基站切换到第二基站的指示。
  37. 根据权利要求35所述的装置，其中，所述第二发送模块，包括：
    第二发送子模块，配置为向第一SIM发送携带有所述驻留指示的无线资源控制RRC信令；
    第三发送子模块，配置为向第一SIM发送携带有所述驻留指示的媒体访问控制控制单元MAC CE信令；
    第四发送子模块，配置为向第一SIM发送携带有所述驻留指示的物理下行控制信道PDCCH信令。
  38. 根据权利要求31至37任一项所述的装置，其中，所述第二接收模块，包括：
    第四接收子模块，配置为接收所述第一SIM向所述第二基站发送的携带有所述第二SIM的信息的RRC重配置完毕信令。
  39. 根据权利要求31至37任一项所述的装置，其中，所述第二SIM的信息，包括：所述第二SIM的标识信息及状态信息。
  40. 根据权利要求31至37任一项所述的装置，其中，所述第二SIM当前驻留的基站，包括：所述第一基站。
  41. 一种基站切换装置，其中，应用于第一基站，所述装置包括：第三接收模块和第三发送模块，其中，
    所述第三接收模块，配置为接收第二基站发送的上下文信息请求，所述上下文信息请求用于请求处于非激活态的用户识别模块SIM的上下文信息；
    所述第三发送模块，配置为响应于接收到所述上下文信息请求，向所 述第二基站发送的所述SIM的所述上下文信息。
  42. 根据权利要求41所述的装置，其中，所述第三接收模块，包括：
    第五接收子模块，配置为通过所述第一基站与所述第二基站之间的基站间接口，接收所述第一基站发送的上下文信息请求；
    所述第三发送模块，包括：
    第五发送子模块，配置为通过所述基站间接口，向所述第二基站发送的所述SIM的所述上下文信息。
  43. 一种通信设备，包括处理器、收发器、存储器及存储在存储器上并能够有所述处理器运行的可执行程序，所述处理器运行所述可执行程序时执行如权利要求1至9、或10至19、或20、或21任一项所述基站切换方法的步骤。
  44. 一种存储介质，其上存储由可执行程序，所述可执行程序被处理器执行时实现如权利要求1至9、或10至19、或20、或21任一项所述基站切换方法的步骤。
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