WO2021197010A1 - 建立网络连接的方法和装置 - Google Patents

建立网络连接的方法和装置 Download PDF

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Publication number
WO2021197010A1
WO2021197010A1 PCT/CN2021/080064 CN2021080064W WO2021197010A1 WO 2021197010 A1 WO2021197010 A1 WO 2021197010A1 CN 2021080064 W CN2021080064 W CN 2021080064W WO 2021197010 A1 WO2021197010 A1 WO 2021197010A1
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WO
WIPO (PCT)
Prior art keywords
network
sim card
network connection
network device
terminal device
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PCT/CN2021/080064
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English (en)
French (fr)
Inventor
金辉
才宇
姚楚婷
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华为技术有限公司
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Publication of WO2021197010A1 publication Critical patent/WO2021197010A1/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
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal 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

Definitions

  • This application relates to the communication field, and more specifically, to a method and device for establishing a network connection in the communication field.
  • SIM subscriber identification module
  • Random access includes contention-based random access and non-competition-based random access.
  • the terminal equipment randomly selects a preamble sequence to initiate the random access process to the network equipment. Due to the limited random access resources, the terminal equipment needs to compete for random access resources. Therefore, the delay of random access If it is longer, it may even fail to connect.
  • the terminal device uses the preamble sequence allocated by the network device to initiate a random access process to the network device. Since the terminal device needs to obtain the preamble sequence through the signaling interaction with the network device, Therefore, the delay of random access is also longer.
  • the terminal device when the terminal device switches between SIM cards, it needs to establish a network connection for the newly used SIM every time it switches, and for each SIM, no matter what kind of random access is passed.
  • the network connection is established during the access process, and the delay of random access is relatively long, and the power consumption is relatively high, so that the delay of establishing the network connection is relatively long, and the transmission performance is poor.
  • the present application provides a method and device for establishing a network connection, which can reduce the delay of establishing a network connection, thereby improving transmission performance.
  • an embodiment of the present application provides a method for establishing a network connection.
  • the method is applicable to a terminal device.
  • the terminal device supports a first subscriber identity module card and a second SIM card, and the first SIM card is connected to the network.
  • the terminal device establishes a network connection with the network device according to the configuration information.
  • the network device can Send the configuration information for the second SIM card to access the network to the terminal device, and the terminal device can directly establish a network connection with the network device based on the configuration information, without the need for random access to the second SIM card. In the process of entering, it can reduce the delay of establishing a network connection, thereby improving transmission performance.
  • the configuration information includes the cell radio network temporary identifier C-RNTI of the second SIM card and radio resource information.
  • the method further includes: the terminal device determines that the first SIM card is in a connected state; the terminal device determines that the second SIM card In a non-connected state, the non-connected state includes an idle state or a deactivated state; the terminal device determines that the second SIM card needs to initiate a service.
  • the terminal device may support multiple SIM cards.
  • the multiple SIM cards including the first SIM card and the second SIM are used as an example for introduction. It should be understood that the multiple SIM cards may also include other SIM cards or other numbers of SIM cards, which is not limited in the embodiment of the present application.
  • the first SIM card is in the connected state, which can be understood as a network connection between the first SIM card and the network device.
  • the second SIM card is in a non-connected state, which can also be understood as there is no network connection between the second SIM card and the network device.
  • the terminal device may determine that the second SIM card needs to initiate a service in multiple ways, which is not limited in the embodiment of the present application.
  • the terminal device may determine that the second SIM card needs to initiate a service according to a user operation.
  • the terminal device may determine that the second SIM card needs to initiate a service based on the detected operation of the user using the second SIM card to make a phone call.
  • the terminal device may receive an RRC message sent by the network device, where the RRC message carries a paging message used to page the second SIM card, and the terminal device may According to the paging message, it is determined that the second SIM card needs to initiate a service.
  • Application scenario 1 The first SIM card is in a connected state, the second SIM card is in an idle state, and the second SIM card needs to initiate a service.
  • Application scenario 2 The first SIM card is in a connected state, the second SIM card is in a deactivated state, and the second SIM card needs to initiate a service.
  • the method further includes: when the first SIM card is in a connected state, the second SIM card is in an idle state, and the second SIM card needs to initiate a service,
  • the terminal device generates a network connection establishment request, and the network connection establishment request is used to request the establishment of a network connection between the second SIM card and the network device; the terminal device sends a second RRC message to the network device ,
  • the second RRC message carries the network connection establishment request.
  • the method further includes: when the first SIM card is in a connected state, the second SIM card is in a deactivated state, and the second SIM card needs to initiate a service,
  • the terminal device generates a network connection recovery request, the network connection recovery request is used to request the recovery of the network connection between the second SIM card and the network device; the terminal device sends a second RRC to the network device Message, the second RRC message carries the network connection recovery request.
  • the network device may obtain the configuration information in various situations, which is not limited in the embodiment of the present application.
  • the network device may determine that the terminal device needs to switch from the first SIM card to the Second SIM card and obtain the configuration information.
  • the network device may determine that the terminal device needs to switch from the first SIM card to all devices when receiving the network connection recovery request.
  • the second SIM card and obtain the configuration information.
  • the terminal device switches from the first SIM card to the second SIM card, it can be understood that the first SIM card is switched from the connected state to the non-connected state, and the second SIM card is switched from The non-connected state is switched to the connected state.
  • the network device may obtain the configuration information in multiple ways, which is not limited in the embodiment of the present application.
  • the network device may allocate the configuration information to the second SIM card by itself.
  • the network connection may receive the configuration information sent by other network devices.
  • the terminal device may use an existing network connection establishment process to establish a network connection with the network device according to the configuration information. To avoid repetition, details are not described here.
  • the terminal device may establish a network connection between the second SIM card and the network device; or in the case of application scenario 2, the terminal device The suspended network connection between the second SIM card and the network device can be restored.
  • the method further includes: the terminal device sends first instruction information to the network device, where the first instruction information is used to instruct to disconnect the first SIM card from the The disconnection mode of the network connection between the network devices, the disconnection mode includes suspension or release.
  • the terminal device may send the first indication information to the network device in a variety of ways, which is not limited in the embodiment of the present application.
  • the terminal device may send a fourth RRC message to the network device, where the fourth RRC message carries the first indication information.
  • the first indication information may be carried in the second RRC message.
  • the terminal device carries the first indication information in the second RRC message, which can reduce signaling overhead.
  • the method further includes: the terminal device receives a third RRC message sent by the network device through the network connection between the first SIM card and the network device, so The third RRC message is used to instruct to disconnect the network connection with the first SIM card.
  • the first RRC message is also used to instruct to disconnect the network connection with the first SIM card.
  • the method further includes: the terminal device receives a third RRC message sent by the network device through the network connection between the second SIM card and the network device, so The third RRC message is used to instruct to disconnect the network connection with the first SIM card.
  • an embodiment of the present application also provides a method for establishing a network connection, including: a network device obtains configuration information of a second subscriber identity module SIM card of a terminal device for accessing the network, wherein the terminal device supports the first SIM And the second SIM card, and there is a network connection between the first SIM card and the network device; the network device sends a first radio resource control RRC message to the terminal device, the first RRC message Carry the configuration information.
  • the network device can Send the configuration information for the second SIM card to access the network to the terminal device, and the terminal device can directly establish a network connection with the network device based on the configuration information, without the need for random access to the second SIM card. In the process of entering, it can reduce the delay of establishing a network connection, thereby improving transmission performance.
  • the configuration information includes the cell radio network temporary identifier C-RNTI of the second SIM card and radio resource information.
  • the method when the second SIM card is in an idle state, the method further includes: the network device receives a second RRC message sent by the terminal device, and the second RRC message carries A network connection establishment request, where the network connection establishment request is used to request the establishment of a network connection between the second SIM card and the network device.
  • the acquiring, by the network device, the configuration information of the second SIM card of the terminal device to access the network includes: the network device generating the configuration information according to the network connection establishment request.
  • the method when the second SIM card is in a deactivated state, the method further includes: the network device receives a second RRC message sent by the terminal device, the second RRC message A network connection recovery request is carried, and the network connection recovery request is used to request the recovery of the network connection between the second SIM card and the network device.
  • the acquiring, by the network device, the configuration information of the second SIM card of the terminal device to access the network includes: the network device generating the configuration information according to the network connection restoration request.
  • the method further includes: the network device disconnects the network connection with the first SIM card.
  • the network device may disconnect the network connection with the first SIM card in a variety of ways, which is not limited in the embodiment of the present application.
  • the network device may release the network connection with the first SIM card. That is, the first SIM card is switched from the connected state to the idle state.
  • the network device may save the context information of the first SIM card, and suspend the network connection with the first SIM card. That is, the first SIM card is switched from the connected state to the deactivated state.
  • the network device may receive first instruction information sent by the terminal device, where the first instruction information is used to instruct to disconnect the first SIM card from the network device.
  • the disconnection method of the network connection between the network devices, the disconnection method includes suspension or release; the network device disconnects the network with the first SIM card according to the disconnection method indicated by the first indication information connect.
  • the method further includes: the network device sends a third RRC message to the terminal device, where the third RRC message is used to indicate disconnection from the first SIM card Network connection.
  • the network device may send the third RRC message to the terminal device in multiple ways, which is not limited in the embodiment of the present application.
  • the network device may send a third RRC message to the terminal device through the network connection with the first SIM card, and the third RRC message is used to indicate disconnection. Open a network connection with the first SIM card.
  • the network device may send a third RRC message to the terminal device through the network connection with the second SIM card, and the third RRC message is used to indicate disconnection. Open a network connection with the first SIM card.
  • the first RRC message is also used to instruct to disconnect the network connection with the first SIM card.
  • the third RRC message and the first RRC message are the same message, which can reduce signaling overhead.
  • the embodiments of the present application also provide a method for establishing a network connection.
  • the method is suitable for a communication system.
  • the communication system includes a terminal device and a network device.
  • the terminal supports a first user identity module SIM card and a second SIM card.
  • the method includes: the network device obtains the configuration information of the second SIM card to access the network; the network device sends the first radio resource control to the terminal device RRC message, the first RRC message carries the configuration information; the terminal device receives the first RRC message sent by the network device; the terminal device establishes a network connection with the network device according to the configuration information.
  • the configuration information includes the cell radio network temporary identifier C-RNTI of the second SIM card and radio resource information.
  • the method further includes: the terminal device sends a second RRC message to the network device, the second RRC message carrying a network connection establishment request, and the network connection establishment request is used to request the establishment of the second RRC message.
  • the network connection between the SIM card and the network device is not limited to: the terminal device sends a second RRC message to the network device, the second RRC message carrying a network connection establishment request, and the network connection establishment request is used to request the establishment of the second RRC message.
  • the terminal device sending the second RRC message to the network device includes: when the second SIM card is in an idle state and the second SIM card needs to initiate a service, the terminal device sends the second RRC message to the network device. The network device sends the second RRC message.
  • the acquiring, by the network device, the configuration information of the second SIM card accessing the network includes: the network device generating the configuration information according to the network connection establishment request.
  • the method further includes: the terminal device sends a second RRC message to the network device, where the second RRC message carries a network connection recovery request, and the network connection recovery request is used to request recovery of the second RRC message.
  • the network connection between the SIM card and the network device is not limited to: the terminal device sends a second RRC message to the network device, where the second RRC message carries a network connection recovery request, and the network connection recovery request is used to request recovery of the second RRC message.
  • the terminal device sending the second RRC message to the network device includes: when the second SIM card is in a deactivated state and the second SIM card needs to initiate a service, the terminal device sends The network device sends the second RRC message.
  • the acquiring, by the network device, the configuration information of the second SIM card accessing the network includes: the network device generating the configuration information according to the network connection restoration request.
  • the method further includes: the network device disconnects the network connection with the first SIM card.
  • the second RRC message further carries first indication information, and the first indication information is used to indicate a disconnection mode for disconnecting the network connection between the first SIM card and the network device,
  • the disconnection mode includes suspend or release, the network device disconnects the network connection with the first SIM card, including: the network device disconnects from the first SIM card according to the disconnection mode indicated by the first indication information.
  • the method further includes: the network device sends a third RRC message to the terminal device through the network connection with the first SIM card, and the third RRC message is used to indicate the disconnection. Open the network connection with the first SIM card.
  • the first RRC message is also used to instruct to disconnect the network connection with the first SIM card.
  • the method further includes: the network device sends a third RRC message to the terminal device through the network connection with the second SIM card, and the third RRC message is used to indicate disconnection. Network connection with the first SIM card.
  • an embodiment of the present application also provides a device for establishing a network connection, the device including a unit or module for executing the method in each of the foregoing aspects or any possible implementation manners thereof.
  • an embodiment of the present application also provides a device for establishing a network connection.
  • the device includes a processor and a memory.
  • the memory stores instructions.
  • the processor executes the instructions, the device executes the foregoing aspects or The method in any possible implementation.
  • the embodiments of the present application also provide a computer-readable storage medium, the storage medium stores a computer program or instruction, and when the computer program or instruction is executed by a communication device, the foregoing aspects or any of the foregoing aspects are implemented.
  • the method in the realization method is not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, but not limited to, the embodiments of the present application.
  • the embodiments of the present application also provide a computer program product.
  • the computer program product contains instructions.
  • the instructions run on a computer or a processor, the computer or the processor realizes the foregoing aspects or any of them. This method is among the possible implementations.
  • an embodiment of the present application also provides a chip device, the chip device includes a processor and a communication interface, the processor is used to call and run instructions from the communication interface, when the processor executes the instruction, the implementation is as described above The method in each aspect or any possible implementation manner thereof.
  • FIG. 1 provides a schematic diagram of the architecture of a communication system according to an embodiment of the present application
  • FIG. 2 provides another schematic diagram of the architecture of the communication system of the embodiment of the present application
  • FIG. 3 provides a schematic diagram of a passive mode of a dual subscriber identification module (subscriber identification module, SIM) card terminal device according to an embodiment of the present application;
  • SIM subscriber identification module
  • FIG. 4 provides a schematic diagram of a dual SIM dual standby (dual SIM dual standy, DSDS) mode of a dual SIM terminal device according to an embodiment of the present application;
  • FIG. 5 provides a schematic diagram of a dual SIM dual active (dual SIM dual active, DSDA) mode of a dual SIM card terminal device according to an embodiment of the present application;
  • FIG. 6 provides a schematic flowchart of a method 100 for establishing a network connection according to an embodiment of the present application
  • FIG. 7 is a schematic diagram of a display interface provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of another display interface provided by an embodiment of the present application.
  • FIG. 9 provides a schematic block diagram of an apparatus 200 for establishing a network connection according to an embodiment of the present application.
  • FIG. 10 provides a schematic block diagram of an apparatus 300 for establishing a network connection according to an embodiment of the present application
  • FIG. 11 provides a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • GSM global system for mobile communications
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • LTE frequency division duplex frequency division duplex
  • FDD frequency division duplex
  • TDD time division duplex
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • terminal equipment described in the embodiments of this application may also be referred to as: user equipment (UE), mobile station (MS), mobile terminal (mobile terminal, MT), access Terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • UE user equipment
  • MS mobile station
  • MT mobile terminal
  • access Terminal user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • the terminal device may be a device that provides voice/data connectivity to the user, for example, a handheld device with a wireless connection function, a vehicle-mounted device, and the like.
  • a handheld device with a wireless connection function for example, a vehicle-mounted device, and the like.
  • some examples of terminals are: mobile phones (mobile phones), tablet computers, notebook computers, handheld computers, mobile internet devices (MID), wearable devices, virtual reality (VR) devices, and augmented reality.
  • augmented reality, AR equipment, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical surgery, and smart grids
  • Wireless terminals wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, cellular phones, cordless phones, session initiation protocols , SIP) phone, wireless local loop (wireless local loop, WLL) station, personal digital assistant (personal digital assistant, PDA), handheld device with wireless communication function, computing device or other processing device connected to wireless modem, vehicle Devices, wearable devices, terminal devices in a 5G network, or terminal devices in a public land mobile network (PLMN) that will evolve in the future, etc., which are not limited in the embodiment of the present application.
  • PLMN public land mobile network
  • wearable devices can also be referred to as wearable smart devices. It is a general term for using wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes, etc. .
  • a wearable device is a portable device that is directly worn on the body or integrated into the user's clothes or accessories. Wearable devices are not only a kind of hardware device, but also realize powerful functions through software support, data interaction, and cloud interaction. In a broad sense, wearable smart devices include full-featured, large-sized, complete or partial functions that can be achieved without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, and need to cooperate with other devices such as smart phones. Use, such as all kinds of smart bracelets and smart jewelry for physical sign monitoring.
  • the terminal device can also be a terminal device in the Internet of Things (IoT) system.
  • IoT Internet of Things
  • Its main technical feature is to connect objects to the network through communication technology.
  • An intelligent network that realizes the interconnection of man and machine and the interconnection of things.
  • the various terminal devices described above are located on the vehicle (for example, placed in the vehicle or installed in the vehicle), they can be considered as vehicle-mounted terminal equipment.
  • vehicle-mounted terminal equipment is, for example, also called an on-board unit (on-board unit, OBU).
  • the terminal device described in the embodiment of the present application may further include a relay; or, the terminal device described in the embodiment of the present application may be a device capable of data communication with a base station.
  • the access network device described in the embodiments of the present application may be a device used to communicate with a terminal device.
  • the access network device may also be called an access device or a wireless access network device, and may be LTE.
  • the evolved NodeB (eNB or eNodeB) in the system can also be a wireless controller in the cloud radio access network (CRAN) scenario, or the access device can be a relay station or an access point , In-vehicle devices, wearable devices, and access devices in 5G networks or network devices in future evolved PLMN networks, etc., can be access points (APs) in WLANs, and can be new radio systems (new radio systems).
  • NR gNB in the system is not limited in the embodiment of this application.
  • the access network device is a device in the RAN, or in other words, a RAN node that connects the terminal device to the wireless network.
  • an access network device such as: gNB, transmission reception point (TRP), evolved Node B (evolved Node B, eNB), radio network controller (radio network controller, RNC), Node B (Node B, NB), base station controller (BSC), base transceiver station (BTS), home base station (for example, home evolved NodeB, or home Node B, HNB) , Baseband unit (BBU), or wireless fidelity (Wifi) access point (AP), etc.
  • TRP transmission reception point
  • eNB evolved Node B
  • RNC radio network controller
  • Node B Node B
  • BSC base station controller
  • BTS base transceiver station
  • home base station for example, home evolved NodeB, or home Node B, HNB
  • BBU Baseband unit
  • Wi-Fi wireless fidelity
  • a network device may include a centralized unit (CU) node, or a distributed unit (DU) node, or a RAN device including a CU node and a DU node, or a control plane CU node (CU).
  • CU centralized unit
  • DU distributed unit
  • RAN device including a CU node and a DU node, or a control plane CU node (CU).
  • -CP node user plane CU node
  • CU-UP node user plane CU node
  • RAN equipment of DU node may include a centralized unit (CU) node, or a distributed unit (DU) node, or a RAN device including a CU node and a DU node, or a control plane CU node (CU).
  • -CP node user plane CU node (CU-UP node) and RAN equipment of DU node.
  • the access network device is used to provide services to the cell, and the terminal device communicates with the access network device through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be an access network device.
  • the cell corresponding to the networked device (such as a base station).
  • the cell can belong to a macro base station or a base station corresponding to a small cell.
  • the small cell here can include: metro cell, micro cell , Pico cells, femto cells, etc. These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-rate data transmission services.
  • the core network device described in the embodiment of the present application can be connected to the access network device, so that the terminal device can communicate with the core network device through the access network device.
  • the core network equipment may include the following network elements or functions:
  • Access management function Mainly responsible for access and mobility control, including registration management (registration management, RM) and connection management (connection management, CM), access authentication and access Authorization, accessibility management and mobility management, etc.
  • User plane function mainly provides user plane support, including connection points between PDU sessions and data networks, data packet routing and forwarding, data packet inspection and user plane policy execution, and QoS processing for the user plane , Downlink data packet buffering and triggering of downlink data notification, etc.
  • Packet control function Mainly a policy control function, including support for a unified policy framework to monitor network behavior and provide policy rules for the control plane to execute.
  • Authentication server function (authentication server function, AUSF): Mainly responsible for providing security-related functions, such as authentication, authentication, etc.
  • Unified data management responsible for functions related to user authentication and authentication, specifically: authentication credential processing, user identity processing, contract information management, access authorization, etc.
  • Fig. 1 shows a schematic structural diagram of a communication system according to an embodiment of the present application.
  • the communication system includes an access network device, a core network device, and a terminal device.
  • the access network equipment can work in an evolved universal mobile communication system terrestrial radio access (evolved UMTS terrestrial radio access, E-UTRA) system, NR system, next-generation communication system, or other communication systems.
  • E-UTRA evolved universal mobile communication system terrestrial radio access
  • NR NR
  • next-generation communication system or other communication systems.
  • E-UTRA evolved universal mobile communication system terrestrial radio access
  • the core network device may work in an E-UTRA system, an NR system, a next-generation communication system, or other communication systems, which is not limited in the embodiment of the present application.
  • the core network equipment and the access network equipment can communicate through the NG interface, and the access network equipment and the terminal equipment can communicate through the NG interface. Uu interface communication.
  • one access network device can serve multiple terminal devices, and one core network device can also serve multiple access network devices.
  • Figure 1 only schematically serves one core network device.
  • One access network device, one access network device serving one terminal device is introduced as an example, but the embodiment of the present application is not limited to this.
  • FIG. 2 shows another schematic diagram of the architecture of the communication system according to an embodiment of the present application.
  • the communication system includes an access network device 1, an access network device 2, a core network device 1, a core network device 2, and a terminal device.
  • the access network is a radio access network (radio access network, RAN) as an example.
  • the core network equipment and the access network equipment can communicate through the NG interface.
  • the network devices can communicate through the Xn interface.
  • the Uu interface can be used to communicate between the access network device and the terminal device.
  • the access network equipment 1 and the access network equipment 2 may work in an E-UTRA system, an NR system, a next-generation communication system, or other communication systems, which is not limited in the embodiment of the present application.
  • the core network device 1 and the core network device 3 may work in an E-UTRA system, an NR system, a next-generation communication system, or other communication systems, which is not limited in the embodiment of the present application.
  • the access network device described in FIG. 1 or FIG. 2 may be, for example, a base station.
  • the access network equipment corresponds to different equipment in different systems.
  • a 4G system it can correspond to an eNB
  • a 5G system it corresponds to an access network equipment in 5G, such as gNB.
  • core network equipment corresponds to different equipment in different systems.
  • MME mobility management entity
  • a 5G system it corresponds to a core network equipment in 5G, such as AMF.
  • MME mobility management entity
  • AMF core network equipment in 5G, such as AMF.
  • the technical solutions provided by the embodiments of this application can also be applied to future mobile communication systems. Therefore, the access network equipment in FIG.
  • FIG. 2 can also correspond to the access network equipment and core network equipment in the future mobile communication system.
  • the equipment can also correspond to the core network equipment in the future mobile communication system.
  • Figure 1 or Figure 2 takes the access network device as a base station as an example.
  • the access network device may also be a device such as an RSU.
  • SIM subscriber identification module
  • the two SIM cards in a mobile phone can belong to the same mobile operator or different mobile operators; they can belong to the same standard (standards include NR, LTE, wideband code division multiple access, WCDMA ), time division multiple access (TDMA 2000, or GSM, etc.) can also belong to different standards.
  • the terminal equipment with dual SIM cards can have one of the following three modes:
  • Passive mode Although two SIM cards can be inserted, only one can be used at a time.
  • Figure 3 shows a schematic diagram of the passive mode.
  • two SIM cards are respectively USIM1 and USIM2 as an example.
  • USIM1 is working (or in a network connected state (connected)), that is, USIM1 can send and receive data, but USIM2 cannot be used at this time; or, at time 2, USIM2 is working (or in a network connected state), also That is, USIM2 can send and receive data, but USIM1 cannot be used at this time.
  • DSDS mode Two SIM cards share a set of transceivers. For the idle state, the transceiver needs to monitor the paging messages of the two cards. For example, the transceiver may use time division multiple (TDM) mode to monitor.
  • TDM time division multiple
  • Figure 4 shows a schematic diagram of the DSDS mode.
  • two SIM cards are respectively USIM1 and USIM2 as an example.
  • USIM1 is working (or in the network connection state), that is, USIM1 can send and receive data
  • USIM2 can be in an idle state or inactive state (inactive); or, USIM2 is working (or in a network connection state), That is, the USIM2 can send and receive data, and at this time, the USIM1 can be in an idle state or an inactive state.
  • the inactive state can also be referred to as the deactivated state or the deactivated state.
  • DSDA mode Two SIM cards use their own transceivers. The two SIM cards can be in a network connection state at the same time, that is, the terminal device can receive and send data from the two SIM cards at the same time.
  • Figure 5 shows a schematic diagram of the DSDA mode.
  • two SIM cards are respectively USIM1 and USIM2 as an example.
  • the USIM1 When the USIM1 is working (or when it enters the network connection state), that is, when the USIM1 is sending and receiving data, the USIM2 can also work, that is, the USIM2 and the USIM1 can be in the network connection state at the same time.
  • the three RRC states are: network connected state (connected state), RRC idle state (idle state), and inactive state (inactive state).
  • the inactive state can also be referred to as an inactive state or a deactivated state.
  • connection state (or, it can also be referred to as the connection state for short.
  • connection state and “network connection state” are the same concept, and the two terms can be interchanged): the terminal device establishes a network connection with the network , Data transmission can be carried out.
  • RRC idle state (or, it can also be referred to as idle state for short.
  • idle state and “RRC idle state” are the same concept, and the two terms can be interchanged): the terminal device has not established a network connection with the network , The base station does not store the context of the terminal device. If the terminal device needs to enter the network connection state from the idle state, it needs to initiate a network connection establishment process.
  • RRC deactivated state (or, can also be referred to as deactivated state for short.
  • deactivated state and “RRC deactivated state” are the same concept, and the two terms can be interchanged): the terminal device enters before The network connection state is closed, and then the base station suspends the network connection, but saves the context of the terminal device. If the terminal device needs to enter the connected state again from the deactivated state, it needs to initiate a network connection recovery process (or called a network connection re-establishment process). Compared with the RRC establishment process, the RRC recovery process has shorter time delay and lower signaling overhead. However, the base station needs to save the context of the terminal device, which will occupy the storage overhead of the base station.
  • the terminal device includes two SIM cards is used as an example for introduction.
  • one terminal device can support multiple SIM cards, and the embodiments of this application should not be limited to this.
  • Fig. 6 shows a method 100 for establishing a network connection provided by an embodiment of the present application.
  • the method 100 is applied to the communication system shown in FIG. 1 or FIG. 2.
  • the method 100 includes S101 to S103.
  • the method 100 may further include S104-S112.
  • S104 The terminal device determines that the first SIM card is in a connected state, where the terminal device supports the first SIM card and the second SIM card.
  • the SIM card described in the embodiments of the present application can be understood as a key for the terminal device to access the mobile network.
  • the SIM card and its evolution are collectively referred to as the SIM card in the embodiments of the present application.
  • the SIM card can be an identification card for a global system for mobile communications (GSM) digital mobile phone user, used to store the user's identification code and key, and support the GSM system to authenticate the user.
  • GSM global system for mobile communications
  • the SIM card may also be a universal subscriber identity module (USIM), which may also be referred to as an upgraded SIM card.
  • USIM universal subscriber identity module
  • the terminal device may support multiple SIM cards.
  • the multiple SIM cards are used as an example to include the first SIM card and the second SIM card.
  • the SIM is introduced as an example. It should be understood that the multiple SIM cards may also include other SIM cards or other numbers of SIM cards, which is not limited in the embodiment of the present application.
  • the first SIM card is in the connected state, which can be understood as a network connection between the first SIM card and the network device.
  • the terminal device may be the terminal device described in FIG. 1 or FIG. 2
  • the network device may be the access network device 1 described in FIG. 1 or FIG. 2.
  • the terminal device determines that the second SIM card is in a non-connected state, and the non-connected state includes an idle state or a deactivated state.
  • the second SIM card is in a non-connected state, it can also be understood that there is no network connection between the second SIM card and the network device.
  • the terminal device determines that the second SIM card needs to initiate a service.
  • the terminal device may determine that the second SIM card needs to initiate a service in multiple ways, which is not limited in the embodiment of the present application.
  • the terminal device may determine that the second SIM card needs to initiate a service according to a user operation.
  • the terminal device when the terminal device detects that the user makes a call through the second SIM card, it determines that the second SIM card needs to initiate a service.
  • the terminal device may receive an RRC message sent by the network device, where the RRC message carries a paging message used to page the second SIM card, and the terminal device may According to the paging message, it is determined that the second SIM card needs to initiate a service.
  • Application scenario 1 The first SIM card is in a connected state, the second SIM card is in an idle state, and the second SIM card needs to initiate a service.
  • Application scenario 2 The first SIM card is in a connected state, the second SIM card is in a deactivated state, and the second SIM card needs to initiate a service.
  • GUI graphical user interface
  • taking the terminal device as a mobile phone as an example refer to the GUI shown in FIG.
  • the interface pops up a sub-interface.
  • the sub-interface is a SIM card option interface.
  • the mobile phone detects that the user clicks on the second SIM card option At the time, it is determined that the second SIM card needs to initiate a service, and dialing is performed through the second SIM card.
  • the method 100 further includes S107 to S108.
  • S107 When the first SIM card is in a connected state, the second SIM card is in an idle state, and the second SIM card needs to initiate a service, the terminal device generates a network connection establishment request, and the network connection is established The request is used to request the establishment of a network connection between the second SIM card and the network device.
  • the network connection establishment request may carry the temporary mobile subscriber identity (serving-temporary mobile subscriber identity, S-TMSI) of the second SIM card.
  • S-TMSI serving-temporary mobile subscriber identity
  • the terminal device sends a second RRC message to the network device, where the second RRC message carries the network connection establishment request; accordingly, the network device receives the second RRC message sent by the terminal device information.
  • the method 100 further includes S109-S110.
  • the network connection establishment request may carry the recovery identifier of the second SIM card.
  • the recovery identifier is allocated by the network device to the second SIM card when the second SIM card of the terminal device enters the deactivated state from the connected state, and is used for the second SIM card.
  • the SIM card is restored from the deactivated state to the connected state.
  • the terminal device sends a second RRC message to the network device, where the second RRC message carries the network connection recovery request; accordingly, the network device receives the second RRC message sent by the terminal device information.
  • the network device obtains configuration information of the second SIM card to access the network.
  • the network device may obtain the configuration information in various situations, which is not limited in the embodiment of the present application.
  • the network device may determine that the terminal device needs to switch from the first SIM card to the Second SIM card and obtain the configuration information.
  • the network device may determine that the terminal device needs to switch from the first SIM card to the second SIM card according to the S-TMSI of the second SIM card carried in the network connection establishment request, And obtain the configuration information.
  • the network device may determine that the terminal device needs to switch from the first SIM card to all devices when receiving the network connection recovery request.
  • the second SIM card and obtain the configuration information.
  • the network device may determine that the terminal device needs to switch from the first SIM card to the second SIM card according to the recovery identifier of the second SIM card carried in the network connection recovery request, and Obtain the configuration information.
  • the terminal device switches from the first SIM card to the second SIM card, it can be understood that the first SIM card is switched from the connected state to the non-connected state, and the second SIM card is switched from The non-connected state is switched to the connected state.
  • the network device may obtain the configuration information in multiple ways, which is not limited in the embodiment of the present application.
  • the network device may allocate the configuration information to the second SIM card by itself.
  • the network device may allocate the configuration information to the second SIM card according to the S-TMSI carried in the network connection establishment request.
  • the network device may allocate the configuration information to the second SIM card according to the recovery identifier carried in the network establishment recovery request.
  • the network connection may receive the configuration information sent by other network devices.
  • the network device may send a context request message of the terminal device to the core network device, where the context request message carries the S-TMSI of the second SIM card and receives The configuration information sent by the core network device according to the S-TMSI.
  • the network device may send a context request message of the terminal device to other base stations, where the context request message carries the S-TMSI of the second SIM card and receives The configuration information sent by the other base station according to the S-TMSI.
  • the configuration information may include a cell-radio network temporary identifier (C-RNTI) and radio resource information of the second SIM card.
  • C-RNTI cell-radio network temporary identifier
  • the radio resource information may be a radio bearer configuration (radio bearer config) used to establish signaling radio bearers (SRB).
  • radio bearer config radio bearer configuration used to establish signaling radio bearers (SRB).
  • the network device sends a first RRC message to the terminal device, where the first RRC message carries the configuration information; accordingly, the terminal device receives the first RRC message sent by the network device.
  • the terminal device establishes a network connection with the network device according to the configuration information.
  • the terminal device may use an existing network connection establishment process to establish a network connection with the network device according to the configuration information. To avoid repetition, details are not described here.
  • the terminal device may establish a network connection between the second SIM card and the network device; or in the case of application scenario 2, the terminal device The suspended network connection between the second SIM card and the network device can be restored.
  • S111 The network device disconnects the network connection with the first SIM card.
  • the network device may disconnect the network connection with the first SIM card in a variety of ways, which is not limited in the embodiment of the present application.
  • the network device may release the network connection with the first SIM card. That is, the first SIM card is switched from the connected state to the idle state.
  • the network device may save the context information of the first SIM card, and suspend the network connection with the first SIM card. That is, the first SIM card is switched from the connected state to the deactivated state.
  • the network device may receive first instruction information sent by the terminal device, where the first instruction information is used to instruct to disconnect the first SIM card from the network device.
  • the disconnection method of the network connection between the network devices, the disconnection method includes suspension or release; the network device disconnects the network with the first SIM card according to the disconnection method indicated by the first indication information connect.
  • the terminal device may send the first indication information to the network device in a variety of ways, which is not limited in the embodiment of the present application.
  • the terminal device may send a fourth RRC message to the network device, where the fourth RRC message carries the first indication information.
  • the first indication information may be carried in the second RRC message.
  • the terminal device carries the first indication information in the second RRC message, which can reduce signaling overhead.
  • the network device sends a third RRC message to the terminal device, where the third RRC message is used to instruct to disconnect the network connection with the first SIM card; accordingly, the terminal device receives the The third RRC message sent by the network device.
  • the third RRC message is used to indicate that the network connection with the first SIM card has been disconnected; if the S111 is executed before the S112 After execution, the third RRC message is used to indicate that the network connection with the first SIM card is about to be disconnected.
  • the network device may send the third RRC message to the terminal device in multiple ways, which is not limited in the embodiment of the present application.
  • the S112 is performed before the S103, that is, the network connection between the second SIM card and the network device is not established, then the network device can pass through the first A network connection between a SIM card and the network device sends the third RRC message to the terminal device.
  • the S111 is executed after S112.
  • the third RRC message and the first RRC message may be the same message, that is, the first RRC message is used to instruct to disconnect the network connection with the first SIM card, and
  • the first RRC message carries the configuration information.
  • S102 and S112 can be implemented in one step.
  • the terminal device instructs to disconnect the network connection with the first SIM card through the first RRC message, which can reduce signaling overhead.
  • the S112 is executed after the S103, that is, the network connection between the second SIM card and the network device has been established, then the network device can pass through the first 2.
  • the network connection between the SIM card and the network device, and the third RRC message is sent to the terminal device.
  • the execution order of S111 and S112 is in no particular order.
  • the network device can Send the configuration information for the second SIM card to access the network to the terminal device, and the terminal device can directly establish a network connection with the network device based on the configuration information, without the need for random access to the second SIM card. In the process of entering, it can reduce the delay of establishing a network connection, thereby improving transmission performance.
  • the method 100 for establishing a network connection provided by an embodiment of the present application is described above with reference to FIGS. 6 to 8.
  • the apparatus 200 for establishing a network connection for executing the above method 100 will be described below with reference to FIGS. 9 to 11.
  • the apparatus 200 may be the terminal device or the network device described in the foregoing method 100 embodiment, which is not limited in the embodiment of the present application.
  • the apparatus 200 includes hardware and/or software modules corresponding to each function.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software-driven hardware depends on the specific application and design constraint conditions of the technical solution. Those skilled in the art can use different methods for each specific application in combination with the embodiments to implement the described functions, but such implementation should not be considered as going beyond the scope of the present application.
  • the device 200 may be divided into functional modules according to the foregoing method examples.
  • each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module.
  • the above-mentioned integrated modules can be implemented in the form of hardware. It should be noted that the division of modules in this embodiment is illustrative, and is only a logical function division, and there may be other division methods in actual implementation.
  • FIG. 9 shows a schematic diagram of a possible composition of the terminal equipment and network equipment involved in the foregoing embodiment.
  • the apparatus 200 may include: The unit 210 and the processing unit 220.
  • the processing unit 220 may control the transceiver unit 210 to implement the method described in the above method 100 embodiment, and/or other processes used in the technology described herein.
  • the apparatus 200 provided in this embodiment is used to execute the foregoing method 100, and therefore, can achieve the same effect as the foregoing implementation method.
  • the apparatus 200 may include a processing unit, a storage unit, and a communication unit.
  • the processing unit may be used to control and manage the actions of the device 200, for example, it may be used to support the device 200 to execute the steps performed by the above-mentioned units.
  • the storage unit may be used to support the device 200 to execute and store program codes and data.
  • the communication unit may be used to support communication between the apparatus 200 and other devices.
  • the processing unit may be a processor or a controller. It can implement or execute various exemplary logical blocks, modules, and circuits described in conjunction with the disclosure of this application.
  • the processor may also be a combination of computing functions, for example, a combination of one or more microprocessors, a combination of digital signal processing (DSP) and a microprocessor, and so on.
  • the storage unit may be a memory.
  • the communication unit may specifically be a radio frequency circuit, a Bluetooth chip, a Wi-Fi chip, and other devices that interact with other electronic devices.
  • the apparatus 200 involved in this embodiment may be an apparatus 300 for establishing a network connection with the structure shown in FIG. 10, and the apparatus 300 may be a schematic structural diagram of a terminal device or a network device
  • the device 300 includes a processor 310 and a transceiver 320, and the processor 310 and the transceiver 320 communicate with each other through an internal connection path.
  • the related functions implemented by the processing unit 220 in FIG. 9 may be implemented by the processor 310, and the related functions implemented by the transceiver unit 210 may be implemented by the processor 310 controlling the transceiver 320.
  • the device 300 may further include a memory 330, and the processor 310, the transceiver 320, and the memory 330 communicate with each other through an internal connection path.
  • the related functions implemented by the storage unit described in FIG. 9 may be implemented by the memory 330.
  • FIG. 11 shows a schematic structural diagram of a terminal device 400.
  • the terminal device 400 may include a processor 410, an external memory interface 420, an internal memory 421, a universal serial bus (USB) interface 430, a charging management module 440, a power management module 441, and a battery 442 , Antenna 1, antenna 2, mobile communication module 450, wireless communication module 460, audio module 470, speaker 470A, receiver 470B, microphone 470C, earphone interface 470D, sensor module 480, buttons 490, motor 491, indicator 492, camera 493 , The display screen 494, and the subscriber identification module (SIM) card interface 495, etc.
  • SIM subscriber identification module
  • the structure illustrated in the embodiment of the present application does not constitute a specific limitation on the terminal device 400.
  • the terminal device 400 may include more or less components than shown in the figure, or combine certain components, or split certain components, or arrange different components.
  • the illustrated components can be implemented in hardware, software, or a combination of software and hardware.
  • the processor 410 may include one or more processing units.
  • the processor 410 may include an application processor (AP), a modem processor, a graphics processing unit (GPU), and an image signal processor. (image signal processor, ISP), controller, video codec, digital signal processor (digital signal processor, DSP), baseband processor, and/or neural-network processing unit (NPU), etc.
  • AP application processor
  • ISP image signal processor
  • controller video codec
  • digital signal processor digital signal processor
  • DSP digital signal processor
  • NPU neural-network processing unit
  • different processing units may be independent components, or may be integrated in one or more processors.
  • the terminal device 400 may also include one or more processors 410.
  • the controller can generate operation control signals according to the instruction operation code and timing signals to complete the control of fetching instructions and executing instructions.
  • a memory may be provided in the processor 410 for storing instructions and data.
  • the memory in the processor 410 may be a cache memory.
  • the memory can store instructions or data that have just been used or recycled by the processor 410. If the processor 410 needs to use the instruction or data again, it can be directly called from the memory. In this way, repeated accesses are avoided, the waiting time of the processor 410 is reduced, and the efficiency of the terminal 400 in processing data or executing instructions is improved.
  • the processor 410 may include one or more interfaces.
  • the interface may include an inter-integrated circuit (I2C) interface, an inter-integrated circuit sound (I2S) interface, a pulse code modulation (PCM) interface, and a universal asynchronous transceiver (universal asynchronous transceiver) interface.
  • asynchronous receiver/transmitter, UART) interface mobile industry processor interface (MIPI), general-purpose input/output (GPIO) interface, SIM card interface, and/or USB interface, etc.
  • the USB interface 430 is an interface that complies with the USB standard specification, and specifically may be a Mini USB interface, a Micro USB interface, a USB Type C interface, and so on.
  • the USB interface 430 can be used to connect a charger to charge the terminal 400, and can also be used to transfer data between the terminal device 400 and peripheral devices.
  • the USB interface 430 can also be used to connect earphones and play audio through the earphones.
  • the interface connection relationship between the modules illustrated in the embodiment of the present application is merely a schematic description, and does not constitute a structural limitation of the terminal device 400.
  • the terminal device 400 may also adopt different interface connection modes in the foregoing embodiments, or a combination of multiple interface connection modes.
  • the charging management module 440 is used to receive charging input from the charger.
  • the charger can be a wireless charger or a wired charger.
  • the charging management module 440 may receive the charging input of the wired charger through the USB interface 430.
  • the charging management module 440 may receive the wireless charging input through the wireless charging coil of the terminal 400. While the charging management module 440 charges the battery 442, it can also supply power to the terminal through the power management module 441.
  • the power management module 441 is used to connect the battery 442, the charging management module 440 and the processor 410.
  • the power management module 441 receives input from the battery 442 and/or the charging management module 440, and supplies power to the processor 410, the internal memory 421, the external memory, the display screen 494, the camera 493, and the wireless communication module 460.
  • the power management module 441 can also be used to monitor parameters such as battery capacity, battery cycle times, and battery health status (leakage, impedance).
  • the power management module 441 may also be provided in the processor 410.
  • the power management module 441 and the charging management module 440 may also be provided in the same device.
  • the wireless communication function of the terminal device 400 may be implemented by the antenna 1, the antenna 2, the mobile communication module 440, the wireless communication module 460, the modem processor, and the baseband processor.
  • the antenna 1 and the antenna 2 are used to transmit and receive electromagnetic wave signals.
  • Each antenna in the terminal device 400 can be used to cover a single or multiple communication frequency bands. Different antennas can also be reused to improve antenna utilization.
  • Antenna 1 can be multiplexed as a diversity antenna of a wireless local area network.
  • the antenna can be used in combination with a tuning switch.
  • the mobile communication module 450 may provide a wireless communication solution including 2G/3G/4G/5G and the like applied to the terminal device 400.
  • the mobile communication module 450 may include at least one filter, switch, power amplifier, low noise amplifier (LNA), etc.
  • the mobile communication module 450 may receive electromagnetic waves by the antenna 1, and perform processing such as filtering, amplifying and transmitting the received electromagnetic waves to the modem processor for demodulation.
  • the mobile communication module 450 can also amplify the signal modulated by the modem processor, and convert it into electromagnetic wave radiation via the antenna 1.
  • at least part of the functional modules of the mobile communication module 450 may be provided in the processor 410.
  • at least part of the functional modules of the mobile communication module 450 and at least part of the modules of the processor 410 may be provided in the same device.
  • the wireless communication module 460 can provide applications on the terminal 400 including wireless local area networks (WLAN) (such as wireless fidelity (Wi-Fi) networks), bluetooth (BT), and global navigation satellite systems ( Global navigation satellite system, GNSS), frequency modulation (FM), near field communication (NFC), infrared technology (infrared, IR) and other wireless communication solutions.
  • WLAN wireless local area networks
  • Wi-Fi wireless fidelity
  • BT bluetooth
  • GNSS global navigation satellite systems
  • FM frequency modulation
  • NFC near field communication
  • infrared technology infrared, IR
  • the wireless communication module 460 may be one or more devices integrating at least one communication processing module.
  • the wireless communication module 460 receives electromagnetic waves via the antenna 2, frequency modulates and filters the electromagnetic wave signals, and sends the processed signals to the processor 410.
  • the wireless communication module 460 may also receive a signal to be sent from the processor 410, perform frequency modulation, amplify, and convert it into electromagnetic waves through the antenna 2 and radiate it out.
  • the terminal 400 implements a display function through a GPU, a display screen 494, and an application processor.
  • the GPU is a microprocessor for image processing, which is connected to the display screen 494 and the application processor.
  • the GPU is used to perform mathematical and geometric calculations and is used for graphics rendering.
  • the processor 410 may include one or more GPUs that execute program instructions to generate or change display information.
  • the display screen 494 is used to display images, videos, and the like.
  • the display screen 494 includes a display panel.
  • the display panel can use liquid crystal display (LCD), organic light-emitting diode (organic light-emitting diode, OLED), active-matrix organic light-emitting diode or active-matrix organic light-emitting diode (active-matrix organic light-emitting diode).
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • AMOLED organic light-emitting diode
  • FLED flexible light-emitting diode
  • Miniled MicroLed, Micro-oLed, quantum dot light-emitting diode (QLED), etc.
  • the terminal device 400 may include one or more display screens 494.
  • the display screen 494 in FIG. 11 may be bent.
  • the above-mentioned display screen 494 can be bent means that the display screen can be bent at any position to any angle, and can be maintained at that angle.
  • the display screen 494 can be folded in half from the middle. You can also fold up and down from the middle.
  • a display screen that can be bent is referred to as a foldable display screen.
  • the touch display screen may be one screen, or a display screen formed by patching together multiple screens, which is not limited here.
  • the display screen 494 of the terminal device 400 may be a flexible screen.
  • the flexible screen has attracted much attention due to its unique characteristics and great potential.
  • flexible screens have the characteristics of strong flexibility and bendability, and can provide users with new interactive methods based on bendable characteristics, which can meet more user needs for terminals.
  • the foldable display screen on the terminal can be switched between a small screen in a folded configuration and a large screen in an unfolded configuration at any time. Therefore, users use the split screen function on terminals equipped with foldable display screens more and more frequently.
  • the terminal is Hungry 400 can realize the shooting function through ISP, camera 493, video codec, GPU, display 494 and application processor.
  • the ISP is used to process the data fed back from the camera 493. For example, when taking a picture, the shutter is opened, the light is transmitted to the photosensitive element of the camera through the lens, the light signal is converted into an electrical signal, and the photosensitive element of the camera transmits the electrical signal to the ISP for processing and is converted into an image visible to the naked eye.
  • ISP can also optimize the image noise, brightness, and skin color. ISP can also optimize the exposure, color temperature and other parameters of the shooting scene.
  • the ISP may be provided in the camera 493.
  • the camera 493 is used to capture still images or videos.
  • the object generates an optical image through the lens and is projected to the photosensitive element.
  • the photosensitive element may be a charge coupled device (CCD) or a complementary metal-oxide-semiconductor (CMOS) phototransistor.
  • CMOS complementary metal-oxide-semiconductor
  • the photosensitive element converts the optical signal into an electrical signal, and then transfers the electrical signal to the ISP to convert it into a digital image signal.
  • ISP outputs digital image signals to DSP for processing.
  • DSP converts digital image signals into standard RGB, YUV and other formats of image signals.
  • the terminal device 400 may include one or more cameras 493.
  • Digital signal processors are used to process digital signals. In addition to digital image signals, they can also process other digital signals. For example, when the terminal device 400 selects the frequency point, the digital signal processor is used to perform Fourier transform on the energy of the frequency point.
  • Video codecs are used to compress or decompress digital video.
  • the terminal device 400 may support one or more video codecs. In this way, the terminal device 400 can play or record videos in multiple encoding formats, such as: moving picture experts group (MPEG) 1, MPEG2, MPEG3, MPEG4, and so on.
  • MPEG moving picture experts group
  • MPEG2 MPEG2, MPEG3, MPEG4, and so on.
  • NPU is a neural-network (NN) computing processor.
  • NN neural-network
  • the transfer of business functions between human brain neurons can be used to quickly process input information, and it can also continuously self-learn.
  • applications such as intelligent cognition of the terminal device 400 can be realized, such as image recognition, face recognition, voice recognition, text understanding, and so on.
  • the external memory interface 420 may be used to connect an external memory card, such as a Micro SD card, so as to expand the storage capacity of the terminal device 400.
  • the external memory card communicates with the processor 410 through the external memory interface 420 to realize the data storage function. For example, save music, video and other files in an external memory card.
  • the internal memory 421 may be used to store one or more computer programs, and the one or more computer programs include instructions.
  • the processor 410 can run the above-mentioned instructions stored in the internal memory 421 to enable the terminal 400 to execute the off-screen display method provided in some embodiments of the present application, as well as various applications and data processing.
  • the internal memory 421 may include a program storage area and a data storage area.
  • the storage program area can store the operating system; the storage program area can also store one or more applications (such as photo galleries, contacts, etc.).
  • the data storage area can store data (such as photos, contacts, etc.) created during the use of the terminal device 400.
  • the internal memory 421 may include a high-speed random access memory, and may also include a non-volatile memory, such as one or more disk storage components, flash memory components, universal flash storage (UFS), and the like.
  • the processor 410 may execute the instructions stored in the internal memory 421 and/or the instructions stored in the memory provided in the processor 410 to cause the terminal device 400 to execute the instructions provided in the embodiments of the present application.
  • the terminal device 400 can implement audio functions through an audio module 470, a speaker 470A, a receiver 470B, a microphone 470C, a headphone interface 470D, and an application processor. For example, music playback, recording, etc.
  • the sensor module 480 may include a pressure sensor 480A, a gyroscope sensor 480B, an air pressure sensor 480C, a magnetic sensor 480D, an acceleration sensor 480E, a distance sensor 480F, a proximity light sensor 480G, a fingerprint sensor 480H, a temperature sensor 480J, a touch sensor 480K, and an ambient light sensor 480L, bone conduction sensor 480M, etc.
  • This embodiment also provides a computer storage medium.
  • the computer storage medium stores computer instructions.
  • the computer instructions run on an electronic device, the electronic device executes the above-mentioned related method steps to realize the network connection establishment in the above-mentioned embodiment. method.
  • This embodiment also provides a computer program product, which when the computer program product runs on a computer, causes the computer to execute the above-mentioned related steps, so as to implement the method for establishing a network connection in the above-mentioned embodiment.
  • the embodiments of the present application also provide a device.
  • the device may specifically be a chip, component or module.
  • the device may include a processor and a memory connected to each other.
  • the memory is used to store computer execution instructions.
  • the processor can execute the computer-executable instructions stored in the memory, so that the chip executes the method for establishing a network connection in the foregoing method embodiments.
  • the network equipment, terminal equipment, computer storage medium, computer program product, or chip provided in this embodiment are all used to execute the corresponding method provided above. Therefore, the beneficial effects that can be achieved can refer to the above provided The beneficial effects in the corresponding method are not repeated here.
  • the method for establishing a network connection may include the following optional embodiments.
  • Embodiment 1 A method for establishing a network connection, characterized in that the method is applicable to a terminal device, the terminal device supports a first SIM card and a second SIM card, and the communication between the first SIM card and the network device There is a network connection, and the method includes: the terminal device receives a first RRC message sent by the network device, where the first RRC message carries configuration information for the second SIM card to access the network; the terminal device according to The configuration information establishes a network connection with the network device.
  • Embodiment 2 The method according to embodiment 1, characterized in that the configuration information includes the cell radio network temporary identifier C-RNTI of the second SIM card and radio resource information.
  • Embodiment 3 The method according to Embodiment 1 or Embodiment 2, characterized in that the method further includes: the terminal device sends a second RRC message to the network device, the second RRC message carrying the network A connection establishment request, where the network connection establishment request is used to request the establishment of a network connection between the second SIM card and the network device.
  • Embodiment 4 The method according to embodiment 3, characterized in that the terminal device sending a second RRC message to the network device includes: when the second SIM card is in an idle state, and the second When the SIM card needs to initiate a service, the terminal device sends the second RRC message to the network device.
  • Embodiment 5 The method according to Embodiment 1 or Embodiment 2, characterized in that the method further includes:
  • the terminal device sends a second RRC message to the network device, where the second RRC message carries a network connection recovery request, and the network connection recovery request is used to request recovery of the connection between the second SIM card and the network device.
  • Network connection
  • Embodiment 6 The method according to Embodiment 5 5, wherein the terminal device uses the first SIM card to send a second RRC message to the network device, including: when the second SIM card is in When the second SIM card needs to initiate a service in a deactivated state, the terminal device sends the second RRC message to the network device.
  • Embodiment 7 The method according to any one of Embodiment 3 to Embodiment 6, characterized in that the second RRC message further carries first indication information, and the first indication information is used to indicate disconnection
  • the disconnection mode of the network connection between the first SIM card and the network device, the disconnection mode includes suspension or release.
  • Embodiment 8 The method according to any one of Embodiment 1 to Embodiment 7, characterized in that the method further includes: the terminal device passes through the network between the first SIM card and the network device Connect, receive a third RRC message sent by the network device, where the third RRC message is used to instruct to disconnect the network connection with the first SIM card.
  • Embodiment 9 The method according to any one of Embodiment 1 to Embodiment 7, characterized in that the first RRC message is further used to instruct to disconnect the network connection with the first SIM card.
  • Embodiment 10 The method according to any one of Embodiment 1 to Embodiment 7, characterized in that the method further comprises: the terminal device passes through the network between the second SIM card and the network device Connect, receive a third RRC message sent by the network device, where the third RRC message is used to instruct to disconnect the network connection with the first SIM card.
  • Embodiment 11 A method for establishing a network connection, characterized by comprising: a network device acquiring configuration information of a second SIM card of a terminal device to access the network, wherein the terminal device supports the first SIM and the second SIM card. Two SIM cards, and there is a network connection between the first SIM card and the network device; the network device sends a first RRC message to the terminal device, and the first RRC message carries the configuration information.
  • Embodiment 12 The method according to Embodiment 11, characterized in that the configuration information includes the cell radio network temporary identifier C-RNTI of the second SIM card and radio resource information.
  • Embodiment 13 The method according to Embodiment 11 or Embodiment 12, characterized in that, when the second SIM card is in an idle state, the method further includes: the network device receives the terminal A second RRC message sent by the device, where the second RRC message carries a network connection establishment request, and the network connection establishment request is used to request the establishment of a network connection between the second SIM card and the network device.
  • Embodiment Fourteen The method according to Embodiment 13, characterized in that the network device acquiring the configuration information of the second SIM card of the terminal device to access the network includes: the network device establishes according to the network connection Request to generate the configuration information.
  • Embodiment 15 The method according to Embodiment 11 or Embodiment 12, characterized in that, when the second SIM card is in a deactivated state, the method further includes: the network device receives the A second RRC message sent by the terminal device, where the second RRC message carries a network connection recovery request, and the network connection recovery request is used to request recovery of the network connection between the second SIM card and the network device.
  • Embodiment sixteen the method according to embodiment fifteen, characterized in that the network device acquiring the configuration information of the second SIM card of the terminal device to access the network includes: the network device recovers according to the network connection Request to generate the configuration information.
  • Embodiment 17 The method according to any one of Embodiments 11 to 16, wherein the method further includes: disconnecting the network device from the first SIM card Internet connection.
  • Embodiment 18 the method according to embodiment 17, characterized in that the second RRC message also carries first indication information, and the first indication information is used to instruct to disconnect the first SIM card from The disconnection mode of the network connection between the network devices, the disconnection mode includes suspend or release, and the network device disconnects the network connection with the first SIM card, including: the network device According to the disconnection mode indicated by the first indication information, disconnect the network connection with the first SIM card.
  • Embodiment 19 The method according to any one of Embodiment 11 to Embodiment 18, characterized in that the method further comprises: the network device passes through the network between the first SIM card and the network device. Connect, sending a third RRC message to the terminal device, where the third RRC message is used to instruct to disconnect the network connection with the first SIM card.
  • Embodiment 20 The method according to any one of Embodiment 11 to Embodiment 18, characterized in that the first RRC message is also used to instruct to disconnect the connection with the first SIM card Internet connection.
  • Embodiment 21 The method according to any one of Embodiment 11 to Embodiment 18, characterized in that the method further comprises: the network device communicates with the second SIM card Network connection, sending a third RRC message to the terminal device, where the third RRC message is used to instruct to disconnect the network connection with the first SIM card.
  • Embodiment 22 A method for establishing a network connection, characterized in that the method is applicable to a communication system, the communication system includes a terminal device and a network device, and the terminal supports a first SIM card and a second SIM card , And there is a network connection between the first SIM card and the network device, the method includes: the network device obtains the configuration information of the second SIM card to access the network; The device sends a first RRC message, the first RRC message carries the configuration information; the terminal device receives the first RRC message sent by the network device; the terminal device communicates with the configuration information according to the configuration information The network device establishes a network connection.
  • Embodiment 23 The method according to Embodiment 22, characterized in that the configuration information includes the cell radio network temporary identifier C-RNTI of the second SIM card and radio resource information.
  • Embodiment 24 The method according to Embodiment 22 or Embodiment 23, wherein the method further includes: the terminal device sends a second RRC message to the network device, and the The second RRC message carries a network connection establishment request, and the network connection establishment request is used to request the establishment of a network connection between the second SIM card and the network device.
  • Embodiment 25 The method according to Embodiment 24, wherein the terminal device sending a second RRC message to the network device includes: when the second SIM card is in an idle state, and When the second SIM card needs to initiate a service, the terminal device sends the second RRC message to the network device.
  • Embodiment 26 The method according to Embodiment 24 or Embodiment 25, wherein the network device acquiring configuration information of the second SIM card to access the network includes: the network The device generates the configuration information according to the network connection establishment request.
  • Embodiment 27 The method according to Embodiment 22 or Embodiment 23, wherein the method further includes: the terminal device sends a second RRC message to the network device, and the The second RRC message carries a network connection recovery request, and the network connection recovery request is used to request the recovery of the network connection between the second SIM card and the network device.
  • Embodiment 28 The method according to Embodiment 27, wherein the sending of a second RRC message by the terminal device to the network device includes: when the second SIM card is in a deactivated state, And when the second SIM card needs to initiate a service, the terminal device sends the second RRC message to the network device.
  • Embodiment 29 The method according to Embodiment 27 or Embodiment 28, wherein the network device acquiring configuration information of the second SIM card to access the network includes: the network The device generates the configuration information according to the network connection restoration request.
  • Embodiment 30 The method according to any one of Embodiment 22 to Embodiment 29, wherein the method further includes: disconnecting the network device from the first SIM card Network connection between.
  • Embodiment 31 The method according to Embodiment 30, wherein the second RRC message further carries first indication information, and the first indication information is used to instruct to disconnect the first SIM card
  • the disconnection mode of the network connection with the network device includes suspension or release
  • the disconnection of the network connection with the first SIM card by the network device includes: the network The device disconnects the network connection with the first SIM card according to the disconnection mode indicated by the first indication information.
  • Embodiment 32 The method according to any one of Embodiment 22 to Embodiment 31, wherein the method further includes: the network device communicates with the first SIM card Sending a third RRC message to the terminal device, where the third RRC message is used to instruct the disconnection of the network connection with the first SIM card.
  • Embodiment 33 The method according to any one of Embodiment 22 to Embodiment 31, wherein the first RRC message is further used to instruct to disconnect from the first SIM card Network connection between.
  • Embodiment 34 The method according to any one of Embodiment 22 to Embodiment 31, wherein the method further comprises: the network device communicates with the second SIM card Sending a third RRC message to the terminal device, where the third RRC message is used to instruct to disconnect the network connection with the first SIM card.
  • the size of the sequence number of the above-mentioned processes does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not correspond to the embodiments of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed system, device, and method can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read only memory (Read Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes.

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Abstract

本申请实施例提供一种建立网络连接的方法和装置，该方法可以适用于支持多个用户身份模块SIM卡的终端设备，该多个SIM卡包括第一SIM卡和第二SIM卡，且该第一SIM卡与网络设备之间存在网络连接，该方法包括以下步骤：该终端设备接收该网络设备发送的第一无线资源控制RRC消息，该第一RRC消息携带该第二SIM卡接入网络的配置信息；该终端设备根据该配置信息与该网络设备建立网络连接。采用本申请实施例提供的建立网络连接的方法和装置，能够降低建立网络连接的时延，从而提高传输性能。

Description

建立网络连接的方法和装置
本申请要求于2020年3月31日递交的申请号为202010247675.1、申请名称为“建立网络连接的方法和装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信领域，并且更具体地，涉及通信领域中的建立网络连接的方法和装置。
背景技术
随着通信技术的快速发展，越来越多的终端设备(如手机)具备支持多个用户身份模块(subscriber identification module，SIM)卡的功能。
终端设备在与网络设备建立无线资源控制(radio resource control，RRC)连接时，需要向网络设备发起随机接入过程，随机接入包括基于竞争的随机接入和基于无竞争的随机接入。在基于竞争的随机接入过程中，终端设备随机选择一个前导序列向网络设备发起随机接入过程，由于随机接入资源有限，终端设备需要竞争随机接入资源，因此，随机接入的时延较长，甚至可能接入失败。在基于无竞争的随机接入过程中，终端设备使用网络设备分配的前导序列向所述网络设备发起随机接入过程，由于终端设备需要通过与网络设备之间的信令交互获取该前导序列，因此，随机接入的时延也较长。
因此，对于支持多个SIM卡的终端设备，终端设备在进行SIM卡间切换时，每切换一次都需要为新使用的SIM建立一次网络连接，而且对于每个SIM来说，不管通过哪种随机接入过程建立网络连接，随机接入的时延都较长，功耗较高，从而建立网络连接的时延较长，传输性能较差。
发明内容
本申请提供一种建立网络连接的方法和装置，能够降低建立网络连接的时延，从而提高传输性能。
第一方面，本申请实施例提供一种建立网络连接的方法，所述方法适用于终端设备，所述终端设备支持第一用户身份模块卡和第二SIM卡，所述第一SIM卡与网络设备之间存在网络连接，所述方法包括：所述终端设备接收所述网络设备发送的第一无线资源控制RRC消息，所述第一RRC消息携带所述第二SIM卡接入网络的配置信息；所述终端设备根据所述配置信息与所述网络设备建立网络连接。
采用本申请实施例提供的建立网络连接的方法，当终端设备的第一SIM卡处于连接态，第二SIM卡处于非连接态，且所述第二SIM卡需要发起业务时，该网络设备可以向该终端设备发送用于所述第二SIM卡接入网络的配置信息，该终端设备可以直接根据该配置信息与该网络设备建立网络连接，而无需再进行所述第二SIM卡的随机接入过程，能够减少建立网络连接的时延，从而提高传输性能。
在一种可能的实现方式中，所述配置信息包括所述第二SIM卡的小区无线网络临时标识C-RNTI和无线资源信息。
可选地，在所述终端设备接收所述网络设备发送的第一RRC消息之前，所述方法还包括：所述终端设备确定第一SIM卡处于连接态；所述终端设备确定第二SIM卡处于非连接态，所述非连接态包括空闲态或去激活态；所述终端设备确定所述第二SIM卡需要发起业务。
需要说明的是，所述终端设备可以支持多个SIM卡，本申请实施例中仅示例性地以所述多个SIM卡包括所述第一SIM卡和所述第二SIM为例进行介绍，应理解，所述多个SIM卡还可以包括其它SIM卡或其它数量的SIM卡，本申请实施例对此不作限定。
还需要说明的是，所述第一SIM卡处于连接态，可以理解为所述第一SIM卡与网络设备之间存在网络连接。
还需要说明的是，所述第二SIM卡处于非连接态，也可以理解为所述第二SIM卡与网络设备之间不存在网络连接。
可选地，所述终端设备可以通过多种方式确定所述第二SIM卡需要发起业务，本申请实施例对此不作限定。
在第一种可能的实现方式中，所述终端设备可以根据用户操作，确定所述第二SIM卡需要发起业务。
例如：所述终端设备可以根据检测到的用户使用第二SIM卡拨打电话的操作，确定所述第二SIM卡需要发起业务。
在第二种可能的实现方式中，所述终端设备可以接收所述网络设备发送的RRC消息，所述RRC消息携带用于寻呼所述第二SIM卡的寻呼消息，所述终端设备可以根据所述寻呼消息，确定所述第二SIM卡需要发起业务。
需要说明的是，按照所述第一SIM卡和所述第二SIM卡当前所处的状态，本申请实施例可以适用于以下两种应用场景。
应用场景一：所述第一SIM卡处于连接态，所述第二SIM卡处于空闲态，且所述第二SIM卡需要发起业务。
应用场景二：所述第一SIM卡处于连接态，所述第二SIM卡处于去激活态，且所述第二SIM卡需要发起业务。
下面将分别以应用场景一和应用场景二为例介绍方法100中的其它步骤。
在第一种可能的实现方式中，所述方法还包括：当所述第一SIM卡处于连接态，所述第二SIM卡处于空闲态，且所述第二SIM卡需要发起业务时，所述终端设备生成网络连接建立请求，所述网络连接建立请求用于请求建立所述第二SIM卡与所述网络设备之间的网络连接；所述终端设备向所述网络设备发送第二RRC消息，所述第二RRC消息携带所述网络连接建立请求。
在第二种可能的实现方式中，所述方法还包括：当所述第一SIM卡处于连接态，所述第二SIM卡处于去激活态，且所述第二SIM卡需要发起业务时，所述终端设备生成网络连接恢复请求，所述网络连接恢复请求用于请求恢复所述第二SIM卡与所述网络设备之间的网络连接；所述终端设备向所述网络设备发送第二RRC消息，所述第二RRC消息携带所述网络连接恢复请求。
可选地，所述网络设备可以在多种情况下获取所述配置信息，本申请实施例对此不作限定。
在一种可能的实现方式中，在应用场景一的情况下，所述网络设备可以在接收到所述网络连接建立请求时，确定所述终端设备需要从所述第一SIM卡切换至所述第二SIM卡，并获取所述配置信息。
在另一种可能的实现方式中，在应用场景二的情况下，所述网络设备可以在接收到所述网络连接恢复请求时，确定所述终端设备需要从所述第一SIM卡切换至所述第二SIM卡，并获取所述配置信息。
需要说明的是，所述终端设备从所述第一SIM卡切换至所述第二SIM卡，可以理解为所述第一SIM卡从连接态切换至非连接态，所述第二SIM卡从所述非连接态切换至连接态。
可选地，所述网络设备可以通过多种方式获取所述配置信息，本申请实施例对此不作限定。
在第一种可能的实现方式中，所述网络设备可以自己为所述第二SIM卡分配所述配置信息。
在第二种可能的实现方式中，所述网络连接可以接收其它网络设备发送的所述配置信息。
需要说明的是，所述终端设备可以采用现有的建立网络连接的流程，根据所述配置信息与所述网络设备建立网络连接，为避免重复，此处不再赘述。
还需要说明的是，在应用场景一的情况下，所述终端设备可以建立所述第二SIM卡与所述网络设备之间的网络连接；或在应用场景二的情况下，所述终端设备可以恢复所述第二SIM卡与所述网络设备之间被挂起的网络连接。
在一种可能的实现方式中，所述方法还包括：所述终端设备向所述网络设备发送第一指示信息，所述第一指示信息用于指示断开所述第一SIM卡与所述网络设备之间的网络连接的断开方式，所述断开方式包括挂起或释放。
可选地，所述终端设备可以通过多种方式向所述网络设备发送所述第一指示信息，本申请实施例对此不作限定。
在一种可能的实现方式中，所述终端设备可以向所述网络设备发送第四RRC消息，所述第四RRC消息携带所述第一指示信息。
在另一种可能的实现方式中，所述第一指示信息可以携带在所述第二RRC消息中。
需要说明的是，所述终端设备将所述第一指示信息携带在所述第二RRC消息中，能够减少信令开销。
在一种可能的实现方式中，所述方法还包括：所述终端设备通过所述第一SIM卡与所述网络设备之间的网络连接，接收所述网络设备发送的第三RRC消息，所述第三RRC消息用于指示断开与所述第一SIM卡之间的网络连接。
在一种可能的实现方式中，所述第一RRC消息还用于指示断开与所述第一SIM卡之间的网络连接。
在一种可能的实现方式中，所述方法还包括：所述终端设备通过所述第二SIM卡与所述网络设备之间的网络连接，接收所述网络设备发送的第三RRC消息，所述第三RRC 消息用于指示断开与所述第一SIM卡之间的网络连接。
第二方面，本申请实施例还提供一种建立网络连接的方法，包括：网络设备获取终端设备的第二用户身份模块SIM卡接入网络的配置信息，其中，所述终端设备支持第一SIM和所述第二SIM卡，且所述第一SIM卡与所述网络设备之间存在网络连接；所述网络设备向所述终端设备发送第一无线资源控制RRC消息，所述第一RRC消息携带所述配置信息。
采用本申请实施例提供的建立网络连接的方法，当终端设备的第一SIM卡处于连接态，第二SIM卡处于非连接态，且所述第二SIM卡需要发起业务时，该网络设备可以向该终端设备发送用于所述第二SIM卡接入网络的配置信息，该终端设备可以直接根据该配置信息与该网络设备建立网络连接，而无需再进行所述第二SIM卡的随机接入过程，能够减少建立网络连接的时延，从而提高传输性能。
在一种可能的实现方式中，所述配置信息包括所述第二SIM卡的小区无线网络临时标识C-RNTI和无线资源信息。
在一种可能的实现方式中，当所述第二SIM卡处于空闲态时，所述方法还包括：所述网络设备接收所述终端设备发送的第二RRC消息，所述第二RRC消息携带网络连接建立请求，所述网络连接建立请求用于请求建立所述第二SIM卡与所述网络设备之间的网络连接。
在一种可能的实现方式中，所述网络设备获取终端设备的第二SIM卡接入网络的配置信息，包括：所述网络设备根据所述网络连接建立请求，生成所述配置信息。
在一种可能的实现方式中，当所述第二SIM卡处于去激活态时，所述方法还包括：所述网络设备接收所述终端设备发送的第二RRC消息，所述第二RRC消息携带网络连接恢复请求，所述网络连接恢复请求用于请求恢复所述第二SIM卡与所述网络设备之间的网络连接。
在一种可能的实现方式中，所述网络设备获取终端设备的第二SIM卡接入网络的配置信息，包括：所述网络设备根据所述网络连接恢复请求，生成所述配置信息。
在一种可能的实现方式中，所述方法还包括：所述网络设备断开与所述第一SIM卡之间的网络连接。
可选地，所述网络设备可以通过多种方式断开与所述第一SIM卡之间的网络连接，本申请实施例对此不作限定。
在一种可能的实现方式中，所述网络设备可以释放与所述第一SIM卡之间的网络连接。也就是说，所述第一SIM卡由连接态切换至空闲态。
在另一种可能的实现方式中，所述网络设备可以保存所述第一SIM卡的上下文信息，并挂起与所述第一SIM卡之间的网络连接。也就是说，所述第一SIM卡由连接态切换至去激活态。
在又一种可能的实现方式中，所述网络设备可以接收所述终端设备发送的第一指示信息，所述第一指示信息用于指示断开所述第一SIM卡与所述网络设备之间的网络连接的断开方式，所述断开方式包括挂起或释放；所述网络设备根据所述第一指示信息指示的断开方式，断开与所述第一SIM卡之间的网络连接。
在一种可能的实现方式中，所述方法还包括：所述网络设备向所述终端设备发送第三 RRC消息，所述第三RRC消息用于指示断开与所述第一SIM卡之间的网络连接。
可选地，所述网络设备可以通过多种方式向所述终端设备发送所述第三RRC消息，本申请实施例对此不作限定。
在第一种可能的实现方式中，所述网络设备可以通过与所述第一SIM卡之间的网络连接，向所述终端设备发送第三RRC消息，所述第三RRC消息用于指示断开与所述第一SIM卡之间的网络连接。
在第二种可能的实现方式中，所述网络设备可以通过与所述第二SIM卡之间的网络连接，向所述终端设备发送第三RRC消息，所述第三RRC消息用于指示断开与所述第一SIM卡之间的网络连接。
在第三种可能的实现方式中，所述第一RRC消息还用于指示断开与所述第一SIM卡之间的网络连接。
也就是说，所述第三RRC消息与所述第一RRC消息为同一个消息，这样能够减少信令开销。
第三方面，本申请实施例还提供一种建立网络连接的方法，该方法适用于通信系统，该通信系统包括终端设备和网络设备，该终端支持第一用户身份模块SIM卡和第二SIM卡，且该第一SIM卡与该网络设备之间存在网络连接，该方法包括：该网络设备获取该第二SIM卡接入网络的配置信息；该网络设备向该终端设备发送第一无线资源控制RRC消息，该第一RRC消息携带该配置信息；该终端设备接收该网络设备发送的该第一RRC消息；该终端设备根据该配置信息，与该网络设备建立网络连接。
在一种可能的实现方式中，该配置信息包括该第二SIM卡的小区无线网络临时标识C-RNTI和无线资源信息。
在一种可能的实现方式中，该方法还包括：该终端设备向该网络设备发送第二RRC消息，该第二RRC消息携带网络连接建立请求，该网络连接建立请求用于请求建立该第二SIM卡与该网络设备之间的网络连接。
在一种可能的实现方式中，该终端设备向该网络设备发送第二RRC消息，包括：当该第二SIM卡处于空闲态，且该第二SIM卡需要发起业务时，该终端设备向该网络设备发送该第二RRC消息。
在一种可能的实现方式中，该网络设备获取该第二SIM卡接入网络的配置信息，包括：该网络设备根据该网络连接建立请求，生成该配置信息。
在一种可能的实现方式中，该方法还包括：该终端设备向该网络设备发送第二RRC消息，该第二RRC消息携带网络连接恢复请求，该网络连接恢复请求用于请求恢复该第二SIM卡与该网络设备之间的网络连接。
在一种可能的实现方式中，该终端设备向该网络设备发送第二RRC消息，包括：当该第二SIM卡处于去激活态，且该第二SIM卡需要发起业务时，该终端设备向该网络设备发送该第二RRC消息。
在一种可能的实现方式中，该网络设备获取该第二SIM卡接入网络的配置信息，包括：该网络设备根据该网络连接恢复请求，生成该配置信息。
在一种可能的实现方式中，该方法还包括：该网络设备断开与该第一SIM卡之间的网络连接。
在一种可能的实现方式中，该第二RRC消息还携带第一指示信息，该第一指示信息用于指示断开该第一SIM卡与该网络设备之间的网络连接的断开方式，该断开方式包括挂起或释放，该网络设备断开与该第一SIM卡之间的网络连接，包括：该网络设备根据该第一指示信息指示的该断开方式，断开与该第一SIM卡之间的网络连接。
在一种可能的实现方式中，该方法还包括：该网络设备通过与该第一SIM卡之间的网络连接，向该终端设备发送第三RRC消息，该第三RRC消息用于指示该断开与该第一SIM卡之间的网络连接。
在一种可能的实现方式中，该第一RRC消息还用于指示断开与该第一SIM卡之间的网络连接。
在一种可能的实现方式中，该方法还包括：该网络设备通过与该第二SIM卡之间的网络连接，向该终端设备发送第三RRC消息，该第三RRC消息用于指示断开与该第一SIM卡之间的网络连接。
第四方面，本申请实施例还提供一种建立网络连接的装置，该装置包括用于执行上述各方面或其任意可能的实现方式中该的方法的单元或模块。
第五方面，本申请实施例还提供一种建立网络连接的装置，该装置包括处理器和存储器，该存储器中存储有指令，该处理器执行该指令时，使得该装置执行上述各方面或其任意可能的实现方式中该的方法。
第六方面、本申请实施例还提供一种计算机可读存储介质，该存储介质中存储有计算机程序或指令，当该计算机程序或指令被通信装置执行时，实现上述各方面或其任意可能的实现方式中该的方法。
第七方面，本申请实施例还提供一种计算机程序产品，该计算机程序产品中包含指令，当该指令在计算机或处理器上运行时，使得该计算机或该处理器实现上述各方面或其任意可能的实现方式中该的方法。
第八方面，本申请实施例还提供一种芯片装置，该芯片装置包括处理器和通信接口，该处理器用于从该通信接口调用并运行指令，当该处理器执行该指令时，实现如上述各方面或其任意可能的实现方式中该的方法。
附图说明
图1提供了本申请实施例的通信系统的架构示意图；
图2提供了本申请实施例的通信系统的另一架构示意图；
图3提供了本申请实施例的双用户身份模块(subscriber identification module，SIM)卡终端设备的被动模式示意图；
图4提供了本申请实施例的双SIM卡终端设备的双卡双待(dual SIM dual standy，DSDS)模式示意图；
图5提供了本申请实施例的双SIM卡终端设备的双卡双通(dual SIM dual active，DSDA)模式示意图；
图6提供了本申请实施例的建立网络连接的方法100的示意性流程图；
图7是本申请实施例提供的显示界面的示意图；
图8是本申请实施例提供的另一显示界面的示意图；
图9提供了本申请实施例的建立网络连接的装置200的示意性框图；
图10提供了本申请实施例的建立网络连接的装置300的示意性框图；
图11提供了本申请实施例的终端设备400的示意性框图。
具体实施方式
下面将结合附图，对本申请中的技术方案进行描述。
需要说明的是，本申请实施例的技术方案可以应用于各种通信系统，例如：例如：全球移动通信(global system for mobile communications，GSM)系统、码分多址(code division multiple access，CDMA)系统、宽带码分多址(wideband code division multiple access，WCDMA)系统、通用分组无线业务(general packet radio service，GPRS)、长期演进(long term evolution，LTE)系统、LTE频分双工(frequency division duplex，FDD)系统、LTE时分双工(time division duplex，TDD)、通用移动通信系统(universal mobile telecommunication system，UMTS)、全球互联微波接入(worldwide interoperability for microwave access，WiMAX)通信系统、第五代(5th generation，5G)系统或新无线(new radio，NR)，以及后续演进通信系统等。
还需要说明的是，本申请实施例中所述的终端设备也可以称为：用户设备(user equipment，UE)、移动台(mobile station，MS)、移动终端(mobile terminal，MT)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置等。
可选地，终端设备可以是一种向用户提供语音/数据连通性的设备，例如，具有无线连接功能的手持式设备、车载设备等。目前，一些终端的举例为：手机(mobile phone)、平板电脑、笔记本电脑、掌上电脑、移动互联网设备(mobile internet device，MID)、可穿戴设备，虚拟现实(virtual reality，VR)设备、增强现实(augmented reality，AR)设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程手术(remote medical surgery)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端、蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字助理(personal digital assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，5G网络中的终端设备或者未来演进的公用陆地移动通信网络(public land mobile network，PLMN)中的终端设备等，本申请实施例对此并不限定。
需要说明的是，可穿戴设备也可以称为穿戴式智能设备，是应用穿戴式技术对日常穿戴进行智能化设计、开发出可以穿戴的设备的总称，如眼镜、手套、手表、服饰及鞋等。可穿戴设备即直接穿在身上，或是整合到用户的衣服或配件的一种便携式设备。可穿戴设备不仅仅是一种硬件设备，更是通过软件支持以及数据交互、云端交互来实现强大的功能。广义穿戴式智能设备包括功能全、尺寸大、可不依赖智能手机实现完整或者部分的功能，例如：智能手表或智能眼镜等，以及只专注于某一类应用功能，需要和其它设备如智能手机配合使用，如各类进行体征监测的智能手环、智能首饰等。
可选地，终端设备还可以是物联网(internet of things，IoT)系统中的终端设备，IoT是未来信息技术发展的重要组成部分，其主要技术特点是将物品通过通信技术与网络连接，从而实现人机互连，物物互连的智能化网络。
可选地，如上介绍的各种终端设备如果位于车辆上(例如放置在车辆内或安装在车辆内)，可以认为是车载终端设备，车载终端设备例如也称为车载单元(on-board unit，OBU)。
需要说明的是，本申请实施例中所述的终端设备还可以包括中继(relay)；或者，本申请实施例中所述的终端设备可以为能够与基站进行数据通信的设备。
需要说明的是，本申请实施例中所述的接入网设备可以是用于与终端设备通信的设备，该接入网设备也可以称为接入设备或无线接入网设备，可以是LTE系统中的演进型基站(evolved NodeB，eNB或eNodeB)，还可以是云无线接入网络(cloud radio access network，CRAN)场景下的无线控制器，或者该接入设备可以为中继站、接入点、车载设备、可穿戴设备以及5G网络中的接入设备或者未来演进的PLMN网络中的网络设备等，可以是WLAN中的接入点(access point，AP),可以是新型无线系统(new radio，NR)系统中的gNB本申请实施例并不限定。
可选地，接入网设备是RAN中的设备，或者说，是将终端设备接入到无线网络的RAN节点。例如，作为示例而非限定，作为接入网设备，例如：gNB、传输接收点(transmission reception point，TRP)、演进型节点B(evolved Node B，eNB)、无线网络控制器(radio network controller，RNC)、节点B(Node B，NB)、基站控制器(base station controller，BSC)、基站收发台(base transceiver station，BTS)、家庭基站(例如，home evolved NodeB，或home Node B，HNB)、基带单元(base band unit，BBU)，或无线保真(wireless fidelity，Wifi)接入点(access point，AP)等。在一种网络结构中，网络设备可以包括集中单元(centralized unit，CU)节点、或分布单元(distributed unit，DU)节点、或包括CU节点和DU节点的RAN设备、或者控制面CU节点(CU-CP节点)和用户面CU节点(CU-UP节点)以及DU节点的RAN设备。
可选地，接入网设备用于为小区提供服务，终端设备通过该小区使用的传输资源(例如，频域资源，或者说，频谱资源)与接入网设备进行通信，该小区可以是接入网设备(例如基站)对应的小区，小区可以属于宏基站，也可以属于小小区(small cell)对应的基站，这里的小小区可以包括：城市小区(metro cell)、微小区(micro cell)、微微小区(pico cell)、毫微微小区(femto cell)等，这些小小区具有覆盖范围小、发射功率低的特点，适用于提供高速率的数据传输服务。
需要说明的是，本申请实施例中所述的核心网设备可以与接入网设备连接，使得终端设备能够通过接入网设备与核心网设备进行通信。示例性的，在核心网设备中，可以包括以下网元或功能：
(1)接入管理功能(access management function，AMF)：主要负责接入和移动性控制，包括注册管理(registration management，RM)和连接管理(connection management，CM)、接入鉴权和接入授权、可达性管理和移动性管理等。
(2)用户面功能(user plane function，UPF)：主要提供用户面支持，包括PDU会话和数据网络的连接点、数据包路由和转发、数据包检测和用户面策略执行、为用户面处理QoS、下行数据包缓存和下行数据通知的触发等。
(3)分组控制功能(packet control function，PCF)：主要是策略控制功能，包括支持统一化策略框架来监视网络行为、为控制面提供策略规则去执行。
(4)鉴权服务功能(authentication server function，AUSF)：主要负责提供安全相关的功能，如：鉴权，认证等。
(5)统一数据管理(unified data Management，UDM)：负责用户的鉴权认证相关的功能，具体有：鉴权凭据处理、用户身份处理、签约信息管理、接入授权等。
图1示出了本申请实施例的通信系统的架构示意图。如图1所示，该通信系统包括一个接入网设备、一个核心网设备以及一个终端设备。
可选地，该接入网设备可以工作在演进的通用移动通信系统陆地无线接入(evolved UMTS terrestrial radio access，E-UTRA)系统、NR系统、下一代通信系统或其他通信系统中，本申请实施例对此不作限定。
可选地，该核心网设备可以工作在E-UTRA系统、NR系统、下一代通信系统或其他通信系统中，本申请实施例对此不作限定。
需要说明的是，图1中以核心网设备工作在5G核心网(5GC)为例，核心网设备与接入网设备之间可以通过NG接口通信，接入网设备和终端设备之间可以通过Uu接口通信。
可选地，在本申请实施例中，一个接入网设备可以服务于多个终端设备，一个核心网设备也可以服务于多个接入网设备，图1仅示意性以一个核心网设备服务于一个接入网设备，一个接入网络设备服务于一个终端设备为例进行介绍，但本申请实施例不限于此。
图2示出了本申请实施例的通信系统的另一架构示意图。如图2所示，该通信系统包括接入网设备1、接入网设备2、核心网设备1、核心网设备2和一个终端设备。
需要说明的是，图2中以接入网是无线接入网(radio access network，RAN)为例，核心网设备和接入网设备之间可以通过NG接口通信，接入网设备和接入网设备之间可以通过Xn接口通信。另外，接入网设备和终端设备之间可以通过Uu接口通信。
可选地，接入网设备1和接入网设备2可以工作在E-UTRA系统、NR系统、下一代通信系统或其他通信系统中，本申请实施例对此不作限定。
可选地，核心网设备1和核心网设备3可以工作在E-UTRA系统、NR系统、下一代通信系统或其他通信系统中，本申请实施例对此不作限定。
需要说明的是，上述图1或图2中所述的接入网设备例如可以为基站。其中，接入网设备在不同的系统对应不同的设备，例如在4G系统中可以对应eNB，在5G系统中对应5G中的接入网设备，例如gNB。同理，核心网设备在不同的系统对应不同的设备，例如在4G系统中可以对应移动管理实体(mobility management entity，MME)，在5G系统中对应5G中的核心网设备，例如AMF。当然本申请实施例所提供的技术方案也可以应用于未来的移动通信系统中，因此图1或图2中的接入网设备也可以对应未来的移动通信系统中的接入网设备，核心网设备也可以对应未来的移动通信系统中的核心网设备。图1或图2以接入网设备是基站为例，实际上参考前文的介绍，接入网设备还可以是RSU等设备。
作为示例，当前越来越多的智能手机支持同时插入两张用户身份模块(subscriber identification module，SIM)卡，例如，一张SIM卡用于私人业务，另一张SIM卡用于工作；或者，一张SIM卡用于数据业务，另一张SIM卡用于语音业务。其中，一个手机中 的两个SIM卡可以属于同一移动运营商，也可以属于不同的移动运营商；可以属于同一制式(制式包括NR，LTE，宽带码分多址(wideband code division multiple access，WCDMA)，时分多址(time division multiple access，TDMA)2000，或GSM等)，也可以属于不同制式。
根据终端设备的收发能力的不同，双SIM卡的终端设备可以具有以下三种模式中的一种：
1、被动(passive)模式：尽管能插入两张SIM卡，但是同一个时间只有一个能使用。
例如：图3示出了被动模式的示意图。如图3所示，以两个SIM卡分别为USIM1和USIM2为例。在时间1，USIM1工作(或者说处于网络连接态(connected))，也就是USIM1可以收发数据，此时USIM2不能被使用；或者，在时间2，USIM2工作(或者说处于网络连接态)，也就是USIM2可以收发数据，此时USIM1不能被使用。
2、DSDS模式：两个SIM卡共享一套收发机，对于空闲(idle)态，收发机需要监听两张卡的寻呼消息。例如收发机可以采用时分复用(time division multiple，TDM)方式来进行监听。
例如：图4示出了DSDS模式的示意图。如图4所示，以两个SIM卡分别为USIM1和USIM2为例。在时间1，USIM1工作(或者说处于网络连接态)，也就是USIM1可以收发数据，此时USIM2可以处于空闲态或非激活态(inactive)；或者，USIM2工作(或者说处于网络连接态)，也就是USIM2可以收发数据，此时USIM1可以处于空闲态或非激活态。在本文中，非激活态，也可以称为去激活态，或去活动态等。
3、DSDA模式：两个SIM卡使用各自的收发机。两个SIM卡可以同时处于网络连接态，即终端设备可以同时接收和发送两个SIM卡的数据。
例如：图5示出了DSDA模式的示意图。如图5所示，以两个SIM卡分别为USIM1和USIM2为例。当USIM1工作时(或者说进入网络连接态时)，也就是USIM1收发数据时，USIM2也可以工作，即，USIM2和USIM1可以同时处于网络连接态。
下面介绍一下终端设备的上述3种无线资源控制(radio resource control，RRC)状态。如上文中所述，该3种RRC状态分别为：网络连接态(connected态)、RRC空闲态(idle态)和非激活态(inactive态)。其中，非激活态也可以称为去活动态或去激活态等。
(1)网络连接态(或，也可以简称为连接态。在本文中，“连接态”和“网络连接态”是同一概念，两种称呼可以互换)：终端设备与网络建立了网络连接，可以进行数据传输。
(2)RRC空闲态(或，也可以简称为空闲态。在本文中，“空闲态”和“RRC空闲态”是同一概念，两种称呼可以互换)：终端设备没有与网络建立网络连接，基站没有存储该终端设备的上下文。如果终端设备需要从空闲态进入网络连接态，则需要发起网络连接建立过程。
(3)RRC去激活态(或，也可以简称为去激活态。在本文中，“去激活态”和“RRC去激活态”是同一概念，两种称呼可以互换)：终端设备之前进入了网络连接态，然后基站挂起了网络连接，但是保存了该终端设备的上下文。如果该终端设备需要从去激活态再次进入连接态，则需要发起网络连接恢复过程(或者称为网络连接重建立过程)。RRC恢复过程相对于RRC建立过程来说，时延更短，信令开销更小。但是基站需要保存终端设备的上下文，会占用基站的存储开销。
为了便于理解本申请实施例中仅以终端设备包括两个SIM卡的场景为例进行介绍，但实际应用中一个终端设备可以支持多个SIM卡，本申请实施例不应受限于此。
图6示出了本申请实施例提供的建立网络连接的方法100。该方法100应用于如图1或图2所示的通信系统。
需要说明的是，该方法100包括S101～S103。
可选地，该方法100还可以包括S104～S112。
S104，终端设备确定第一SIM卡处于连接态，其中，所述终端设备支持所述第一SIM卡和第二SIM卡。
需要说明的是，本申请实施例中所述的SIM卡可以理解为终端设备接入移动网络的钥匙，为了便于描述，本申请实施例中将SIM卡以及其演进都统称为SIM卡。
例如：SIM卡可以是全球移动通信系统(global system for mobile communications，GSM)数字移动电话用户的身份识别卡，用于存储用户的身份识别码和密钥，并支持GSM系统对用户的鉴权。
又例如，SIM卡也可以是全球用户识别卡(universal subscriber identity module，USIM)，也可以称为升级SIM卡。
还需要说明的是，需要说明的是，所述终端设备可以支持多个SIM卡，本申请实施例中仅示例性地以所述多个SIM卡包括所述第一SIM卡和所述第二SIM为例进行介绍，应理解，所述多个SIM卡还可以包括其它SIM卡或其它数量的SIM卡，本申请实施例对此不作限定。
还需要说明的是，所述第一SIM卡处于连接态，可以理解为所述第一SIM卡与网络设备之间存在网络连接。
例如：所述终端设备可以为图1或图2中所述的终端设备，所述网络设备可以为图1或图2中所述的接入网设备1。
S105，所述终端设备确定第二SIM卡处于非连接态，所述非连接态包括空闲态或去激活态。
需要说明的是，所述第二SIM卡处于非连接态，也可以理解为所述第二SIM卡与网络设备之间不存在网络连接。
S106，所述终端设备确定所述第二SIM卡需要发起业务。
可选地，所述终端设备可以通过多种方式确定所述第二SIM卡需要发起业务，本申请实施例对此不作限定。
在第一种可能的实现方式中，所述终端设备可以根据用户操作，确定所述第二SIM卡需要发起业务。
例如，当所述终端设备检测到所述用户通过第二SIM卡拨打电话的操作时，确定所述第二SIM卡需要发起业务。
在第二种可能的实现方式中，所述终端设备可以接收所述网络设备发送的RRC消息，所述RRC消息携带用于寻呼所述第二SIM卡的寻呼消息，所述终端设备可以根据所述寻呼消息，确定所述第二SIM卡需要发起业务。
需要说明的是，按照所述第一SIM卡和所述第二SIM卡当前所处的状态，本申请实施例可以适用于以下两种应用场景。
应用场景一：所述第一SIM卡处于连接态，所述第二SIM卡处于空闲态，且所述第二SIM卡需要发起业务。
应用场景二：所述第一SIM卡处于连接态，所述第二SIM卡处于去激活态，且所述第二SIM卡需要发起业务。
例如：以所述终端设备为手机为例，参见图7所示的图形用户界面(graphical user interface，GUI)，该GUI为所述手机的浏览器的界面，所述浏览器通过第一SIM卡联网。当所述手机检测到第二SIM卡的来电时，确定所述第二SIM卡需要发起业务，并通过第二SIM卡接听来电。
又例如：以所述终端设备为手机为例，参见图8所示的GUI，该GUI为所述手机的聊天软件界面，所述聊天软件通过第一SIM卡联网。当所述手机检测到用户点击所述聊天软件界面中的电话号码时，所述界面弹出子界面，所述子界面为SIM卡选项界面，当手机检测到用户点击所述第二SIM卡的选项时，确定所述第二SIM卡需要发起业务，并通过第二SIM卡进行拨号。
下面将分别以应用场景一和应用场景二为例介绍方法100中的其它步骤。
(一)在应用场景一的情况下，方法100还包括S107～S108。
S107，当所述第一SIM卡处于连接态，所述第二SIM卡处于空闲态，且所述第二SIM卡需要发起业务时，所述终端设备生成网络连接建立请求，所述网络连接建立请求用于请求建立所述第二SIM卡与所述网络设备之间的网络连接。
在一种可能的实现方式中，所述网络连接建立请求可以携带所述第二SIM卡的临时移动用户标识(serving-temporary mobile subscriber identity，S-TMSI)。
S108，所述终端设备向所述网络设备发送第二RRC消息，所述第二RRC消息携带所述网络连接建立请求；相应地，所述网络设备接收所述终端设备发送的所述第二RRC消息。
(二)在应用场景二的情况下，方法100还包括S109～S110。
S109，当所述第一SIM卡处于连接态，所述第二SIM卡处于去激活态，且所述第二SIM卡需要发起业务时，所述终端设备生成网络连接恢复请求，所述网络连接恢复请求用于请求恢复所述第二SIM卡与所述网络设备之间的网络连接。
在一种可能的实现方式中，所述网络连接建立请求可以携带所述第二SIM卡的恢复标识。
需要说明的是，所述恢复标识是所述终端设备的所述第二SIM卡从连接态进入去激活态时，所述网络设备为所述第二SIM卡分配的，用于所述第二SIM卡从所述去激活态恢复到所述连接态。
S110，所述终端设备向所述网络设备发送第二RRC消息，所述第二RRC消息携带所述网络连接恢复请求；相应地，所述网络设备接收所述终端设备发送的所述第二RRC消息。
S101，所述网络设备获取所述第二SIM卡接入网络的配置信息。
可选地，所述网络设备可以在多种情况下获取所述配置信息，本申请实施例对此不作限定。
在一种可能的实现方式中，在应用场景一的情况下，所述网络设备可以在接收到所述 网络连接建立请求时，确定所述终端设备需要从所述第一SIM卡切换至所述第二SIM卡，并获取所述配置信息。
例如：所述网络设备可以根据所述网络连接建立请求中携带的所述第二SIM卡的S-TMSI，确定所述终端设备需要从所述第一SIM卡切换至所述第二SIM卡，并获取所述配置信息。
在另一种可能的实现方式中，在应用场景二的情况下，所述网络设备可以在接收到所述网络连接恢复请求时，确定所述终端设备需要从所述第一SIM卡切换至所述第二SIM卡，并获取所述配置信息。
例如：所述网络设备可以根据所述网络连接恢复请求中携带的所述第二SIM卡的恢复标识，确定所述终端设备需要从所述第一SIM卡切换至所述第二SIM卡，并获取所述配置信息。
需要说明的是，所述终端设备从所述第一SIM卡切换至所述第二SIM卡，可以理解为所述第一SIM卡从连接态切换至非连接态，所述第二SIM卡从所述非连接态切换至连接态。
可选地，所述网络设备可以通过多种方式获取所述配置信息，本申请实施例对此不作限定。
在第一种可能的实现方式中，所述网络设备可以自己为所述第二SIM卡分配所述配置信息。
例如：所述网络设备可以根据所述网络连接建立请求中携带的所述S-TMSI，为所述第二SIM卡分配所述配置信息。
又例如：所述网络设备可以根据所述网络建立恢复请求中携带的所述恢复标识，为所述第二SIM卡分配所述配置信息。
在第二种可能的实现方式中，所述网络连接可以接收其它网络设备发送的所述配置信息。
例如：以所述网络设备为基站为例，所述网络设备可以向核心网设备发送所述终端设备的上下文请求消息，所述上下文请求消息携带所述第二SIM卡的S-TMSI，并接收所述核心网设备根据所述S-TMSI发送的所述配置信息。
又例如：以所述网络设备为基站为例，所述网络设备可以向其他基站发送所述终端设备的上下文请求消息，所述上下文请求消息携带所述第二SIM卡的S-TMSI，并接收所述其他基站根据所述S-TMSI发送的所述配置信息。
在一种可能的实现方式中，所述配置信息可以包括所述第二SIM卡的小区无线网络临时标识(cell-radio network temporary identifier，C-RNTI)和无线资源信息。
例如：该无线资源信息可以为用于建立信令无线承载(signalling radio bearers，SRB)的无线承载配置(radio bearer config)。
S102，所述网络设备向所述终端设备发送第一RRC消息，所述第一RRC消息携带所述配置信息；相应地，所述终端设备接收所述网络设备发送的所述第一RRC消息。
S103，所述终端设备根据所述配置信息，与所述网络设备建立网络连接。
需要说明的是，所述终端设备可以采用现有的建立网络连接的流程，根据所述配置信息与所述网络设备建立网络连接，为避免重复，此处不再赘述。
还需要说明的是，在应用场景一的情况下，所述终端设备可以建立所述第二SIM卡与所述网络设备之间的网络连接；或在应用场景二的情况下，所述终端设备可以恢复所述第二SIM卡与所述网络设备之间被挂起的网络连接。
S111，所述网络设备断开与所述第一SIM卡之间的网络连接。
可选地，所述网络设备可以通过多种方式断开与所述第一SIM卡之间的网络连接，本申请实施例对此不作限定。
在一种可能的实现方式中，所述网络设备可以释放与所述第一SIM卡之间的网络连接。也就是说，所述第一SIM卡由连接态切换至空闲态。
在另一种可能的实现方式中，所述网络设备可以保存所述第一SIM卡的上下文信息，并挂起与所述第一SIM卡之间的网络连接。也就是说，所述第一SIM卡由连接态切换至去激活态。
在又一种可能的实现方式中，所述网络设备可以接收所述终端设备发送的第一指示信息，所述第一指示信息用于指示断开所述第一SIM卡与所述网络设备之间的网络连接的断开方式，所述断开方式包括挂起或释放；所述网络设备根据所述第一指示信息指示的断开方式，断开与所述第一SIM卡之间的网络连接。
可选地，所述终端设备可以通过多种方式向所述网络设备发送所述第一指示信息，本申请实施例对此不作限定。
在一种可能的实现方式中，所述终端设备可以向所述网络设备发送第四RRC消息，所述第四RRC消息携带所述第一指示信息。
在另一种可能的实现方式中，所述第一指示信息可以携带在所述第二RRC消息中。
需要说明的是，所述终端设备将所述第一指示信息携带在所述第二RRC消息中，能够减少信令开销。
S112，所述网络设备向所述终端设备发送第三RRC消息，所述第三RRC消息用于指示断开与所述第一SIM卡之间的网络连接；相应地，所述终端设备接收所述网络设备发送的所述第三RRC消息。
需要说明的是，若所述S111在所述S112之前执行，则所述第三RRC消息用于指示已断开与所述第一SIM卡之间的网络连接；若所述S111在所述S112之后执行，则所述第三RRC消息用于指示即将断开与所述第一SIM卡之间的网络连接。
可选地，所述网络设备可以通过多种方式向所述终端设备发送所述第三RRC消息，本申请实施例对此不作限定。
在第一种可能的实现方式中，所述S112在所述S103之前执行，即所述第二SIM卡与所述网络设备之间的网络连接未建立，则所述网络设备可以通过所述第一SIM卡与所述网络设备之间的网络连接，向所述终端设备发送所述第三RRC消息。相应地，所述S111在S112之后执行。
可选地，所述第三RRC消息与所述第一RRC消息可以为同一个消息，即所述第一RRC消息用于指示断开与所述第一SIM卡之间的网络连接，且所述第一RRC消息携带所述配置信息。也就是说，S102与S112可以通过一个步骤实现。
需要说明的是，所述终端设备通过所述第一RRC消息指示断开与所述第一SIM卡之间的网络连接，能够减少信令开销。
在第二种可能的实现方式中，所述S112在所述S103之后执行，即所述第二SIM卡与所述网络设备之间的网络连接已建立，则所述网络设备可以通过所述第二SIM卡与所述网络设备之间的网络连接，向所述终端设备发送所述第三RRC消息。相应地，所述S111与S112的执行顺序不分先后。
采用本申请实施例提供的建立网络连接的方法，当终端设备的第一SIM卡处于连接态，第二SIM卡处于非连接态，且所述第二SIM卡需要发起业务时，该网络设备可以向该终端设备发送用于所述第二SIM卡接入网络的配置信息，该终端设备可以直接根据该配置信息与该网络设备建立网络连接，而无需再进行所述第二SIM卡的随机接入过程，能够减少建立网络连接的时延，从而提高传输性能。
上面结合图6至图8介绍了本申请实施例提供建立网络连接的方法100，下面将结合图9至图11介绍用于执行上述方法100的建立网络连接的装置200。
需要说明的是，装置200可以为上述方法100实施例中所述的终端设备或网络设备，本申请实施例对此不作限定。
可以理解的是，装置200为了实现上述功能，其包含了执行各个功能相应的硬件和/或软件模块。结合本文中所公开的实施例描述的各示例的算法步骤，本申请能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。本领域技术人员可以结合实施例对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
本实施例可以根据上述方法示例对装置200进行功能模块的划分，例如，可以对应各个功能划分各个功能模块，也可以将两个或两个以上的功能集成在一个处理模块中。上述集成的模块可以采用硬件的形式实现。需要说明的是，本实施例中对模块的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。
在采用对应各个功能划分各个功能模块的情况下，图9示出了上述实施例中涉及的终端设备和网络设备的一种可能的组成示意图，如图9所示，该装置200可以包括：收发单元210和处理单元220。
其中，处理单元220可以控制收发单元210实现上述方法100实施例中所述的方法，和/或用于本文所描述的技术的其他过程。
需要说明的是，上述方法实施例涉及的各步骤的所有相关内容均可以援引到对应功能模块的功能描述，在此不再赘述。
本实施例提供的装置200用于执行上述方法100，因此可以达到与上述实现方法相同的效果。
在采用集成的单元的情况下，装置200可以包括处理单元、存储单元和通信单元。其中，处理单元可以用于对装置200的动作进行控制管理，例如，可以用于支持装置200执行上述各个单元执行的步骤。存储单元可以用于支持装置200执行存储程序代码和数据等。通信单元可以用于支持装置200与其他设备的通信。
其中，处理单元可以是处理器或控制器。其可以实现或执行结合本申请公开内容所描述的各种示例性的逻辑方框，模块和电路。处理器也可以是实现计算功能的组合，例如包含一个或多个微处理器组合，数字信号处理(digital signal processing，DSP)和微处理器的组 合等等。存储单元可以是存储器。通信单元具体可以为射频电路、蓝牙芯片、Wi-Fi芯片等与其他电子设备交互的设备。
在一种可能的实现方式中，本实施例所涉及的装置200可以为具有图10所示结构的建立网络连接的装置300，该装置300可以是终端设备的结构示意图，也可以是网络设备的结构示意图，该装置300包括处理器310和收发器320，该处理器310和收发器320通过内部连接通路互相通信。图9中的处理单元220所实现的相关功能可以由处理器310来实现，收发单元210所实现的相关功能可以由处理器310控制收发器320来实现。
可选地，该装置300还可以包括存储器330，该处理器310、该收发器320和该存储器330通过内部连接通路互相通信。图9中所述的存储单元所实现的相关功能可以由存储器330来实现。
图11示出了一种终端设备400的结构示意图。如图11所示，终端设备400可以包括处理器410，外部存储器接口420，内部存储器421，通用串行总线(universal serial bus，USB)接口430，充电管理模块440，电源管理模块441，电池442，天线1，天线2，移动通信模块450，无线通信模块460，音频模块470，扬声器470A，受话器470B，麦克风470C，耳机接口470D，传感器模块480，按键490，马达491，指示器492，摄像头493，显示屏494，以及用户标识模块(subscriber identification module，SIM)卡接口495等。
可以理解的是，本申请实施例示意的结构并不构成对终端设备400的具体限定。在本申请另一些实施例中，终端设备400可以包括比图示更多或更少的部件，或者组合某些部件，或者拆分某些部件，或者不同的部件布置。图示的部件可以以硬件，软件或软件和硬件的组合实现。
处理器410可以包括一个或多个处理单元，例如：处理器410可以包括应用处理器(application processor，AP)，调制解调处理器，图形处理器(graphics processing unit，GPU)，图像信号处理器(image signal processor，ISP)，控制器，视频编解码器，数字信号处理器(digital signal processor，DSP)，基带处理器，和/或神经网络处理器(neural-network processing unit，NPU)等。其中，不同的处理单元可以是独立的部件，也可以集成在一个或多个处理器中。在一些实施例中，终端设备400也可以包括一个或多个处理器410。其中，控制器可以根据指令操作码和时序信号，产生操作控制信号，完成取指令和执行指令的控制。在其他一些实施例中，处理器410中还可以设置存储器，用于存储指令和数据。示例性地，处理器410中的存储器可以为高速缓冲存储器。该存储器可以保存处理器410刚用过或循环使用的指令或数据。如果处理器410需要再次使用该指令或数据，可从所述存储器中直接调用。这样就避免了重复存取，减少了处理器410的等待时间，因而提高了终端400处理数据或执行指令的效率。
在一些实施例中，处理器410可以包括一个或多个接口。接口可以包括集成电路间(inter-integrated circuit，I2C)接口，集成电路间音频(inter-integrated circuit sound，I2S)接口，脉冲编码调制(pulse code modulation，PCM)接口，通用异步收发传输器(universal asynchronous receiver/transmitter，UART)接口，移动产业处理器接口(mobile industry processor interface，MIPI)，通用输入输出(general-purpose input/output，GPIO)接口，SIM卡接口，和/或USB接口等。其中，USB接口430是符合USB标准规范的接口，具体可以是Mini USB接口，Micro USB接口，USB Type C接口等。USB接口430可以用于连接 充电器为终端400充电，也可以用于终端设备400与外围设备之间传输数据。该USB接口430也可以用于连接耳机，通过耳机播放音频。
可以理解的是，本申请实施例示意的各模块间的接口连接关系，只是示意性说明，并不构成对终端设备400的结构限定。在本申请另一些实施例中，终端设备400也可以采用上述实施例中不同的接口连接方式，或多种接口连接方式的组合。
充电管理模块440用于从充电器接收充电输入。其中，充电器可以是无线充电器，也可以是有线充电器。在一些有线充电的实施例中，充电管理模块440可以通过USB接口430接收有线充电器的充电输入。在一些无线充电的实施例中，充电管理模块440可以通过终端400的无线充电线圈接收无线充电输入。充电管理模块440为电池442充电的同时，还可以通过电源管理模块441为终端供电。
电源管理模块441用于连接电池442，充电管理模块440与处理器410。电源管理模块441接收电池442和/或充电管理模块440的输入，为处理器410，内部存储器421，外部存储器，显示屏494，摄像头493，和无线通信模块460等供电。电源管理模块441还可以用于监测电池容量，电池循环次数，电池健康状态(漏电，阻抗)等参数。在其他一些实施例中，电源管理模块441也可以设置于处理器410中。在另一些实施例中，电源管理模块441和充电管理模块440也可以设置于同一个器件中。
终端设备400的无线通信功能可以通过天线1，天线2，移动通信模块440，无线通信模块460，调制解调处理器以及基带处理器等实现。
天线1和天线2用于发射和接收电磁波信号。终端设备400中的每个天线可用于覆盖单个或多个通信频带。不同的天线还可以复用，以提高天线的利用率。例如：可以将天线1复用为无线局域网的分集天线。在另外一些实施例中，天线可以和调谐开关结合使用。
移动通信模块450可以提供应用在终端设备400上的包括2G/3G/4G/5G等无线通信的解决方案。移动通信模块450可以包括至少一个滤波器，开关，功率放大器，低噪声放大器(low noise amplifier，LNA)等。移动通信模块450可以由天线1接收电磁波，并对接收的电磁波进行滤波，放大等处理，传送至调制解调处理器进行解调。移动通信模块450还可以对经调制解调处理器调制后的信号放大，经天线1转为电磁波辐射出去。在一些实施例中，移动通信模块450的至少部分功能模块可以被设置于处理器410中。在一些实施例中，移动通信模块450的至少部分功能模块可以与处理器410的至少部分模块被设置在同一个器件中。
无线通信模块460可以提供应用在终端400上的包括无线局域网(wirelesslocal area networks，WLAN)(如无线保真(wireless fidelity，Wi-Fi)网络)，蓝牙(bluetooth，BT)，全球导航卫星系统(global navigation satellite system，GNSS)，调频(frequency modulation，FM)，近距离无线通信技术(near field communication，NFC)，红外技术(infrared，IR)等无线通信的解决方案。
可选地，无线通信模块460可以是集成至少一个通信处理模块的一个或多个器件。
无线通信模块460经由天线2接收电磁波，将电磁波信号调频以及滤波处理，将处理后的信号发送到处理器410。无线通信模块460还可以从处理器410接收待发送的信号，对其进行调频，放大，经天线2转为电磁波辐射出去。
终端400通过GPU，显示屏494，以及应用处理器等实现显示功能。GPU为图像处 理的微处理器，连接显示屏494和应用处理器。GPU用于执行数学和几何计算，用于图形渲染。处理器410可包括一个或多个GPU，其执行程序指令以生成或改变显示信息。
显示屏494用于显示图像，视频等。显示屏494包括显示面板。显示面板可以采用液晶显示屏(liquid crystal display，LCD)，有机发光二极管(organic light-emittingdiode，OLED)，有源矩阵有机发光二极体或主动矩阵有机发光二极体(active-matrixorganic light emitting diode的，AMOLED)，柔性发光二极管(flex light-emittingdiode，FLED)，Miniled，MicroLed，Micro-oLed，量子点发光二极管(quantum dot lightemitting diodes，QLED)等。在一些实施例中，终端设备400可以包括1个或多个显示屏494。
在本申请的一些实施例中，当显示面板采用OLED、AMOLED、FLED等材料时，上述图11中的显示屏494可以被弯折。这里，上述显示屏494可以被弯折是指显示屏可以在任意部位被弯折到任意角度，并可以在该角度保持，例如，显示屏494可以从中部左右对折。也可以从中部上下对折。本申请中，将可以被弯折的显示屏称为可折叠显示屏。其中，该触摸显示屏可以是一块屏幕，也可以是多块屏幕拼凑在一起组合成的显示屏，在此不做限定。
终端设备400的显示屏494可以是一种柔性屏，目前，柔性屏以其独特的特性和巨大的潜力而备受关注。柔性屏相对于传统屏幕而言，具有柔韧性强和可弯曲的特点，可以给用户提供基于可弯折特性的新交互方式，可以满足用户对于终端的更多需求。对于配置有可折叠显示屏的终端而言，终端上的可折叠显示屏可以随时在折叠形态下的小屏和展开形态下大屏之间切换。因此，用户在配置有可折叠显示屏的终端上使用分屏功能，也越来越频繁。
终端是被饿400可以通过ISP，摄像头493，视频编解码器，GPU，显示屏494以及应用处理器等实现拍摄功能。
ISP用于处理摄像头493反馈的数据。例如，拍照时，打开快门，光线通过镜头被传递到摄像头感光元件上，光信号转换为电信号，摄像头感光元件将所述电信号传递给ISP处理，转化为肉眼可见的图像。ISP还可以对图像的噪点，亮度，肤色进行算法优化。ISP还可以对拍摄场景的曝光，色温等参数优化。在一些实施例中，ISP可以设置在摄像头493中。
摄像头493用于捕获静态图像或视频。物体通过镜头生成光学图像投射到感光元件。感光元件可以是电荷耦合器件(charge coupled device，CCD)或互补金属氧化物半导体(complementary metal-oxide-semiconductor，CMOS)光电晶体管。感光元件把光信号转换成电信号，之后将电信号传递给ISP转换成数字图像信号。ISP将数字图像信号输出到DSP加工处理。DSP将数字图像信号转换成标准的RGB，YUV等格式的图像信号。在一些实施例中，终端设备400可以包括1个或多个摄像头493。
数字信号处理器用于处理数字信号，除了可以处理数字图像信号，还可以处理其他数字信号。例如，当终端设备400在频点选择时，数字信号处理器用于对频点能量进行傅里叶变换等。
视频编解码器用于对数字视频压缩或解压缩。终端设备400可以支持一种或多种视频编解码器。这样，终端设备400可以播放或录制多种编码格式的视频，例如：动态图像专家组(moving picture experts group，MPEG)1，MPEG2，MPEG3，MPEG4等。
NPU为神经网络(neural-network，NN)计算处理器，通过借鉴生物神经网络结构，例如借鉴人脑神经元之间传递业务功能，对输入信息快速处理，还可以不断的自学习。通过NPU可以实现终端设备400的智能认知等应用，例如：图像识别，人脸识别，语音识别，文本理解等。
外部存储器接口420可以用于连接外部存储卡，例如Micro SD卡，实现扩展终端设备400的存储能力。外部存储卡通过外部存储器接口420与处理器410通信，实现数据存储功能。例如将音乐，视频等文件保存在外部存储卡中。
内部存储器421可以用于存储一个或多个计算机程序，该一个或多个计算机程序包括指令。处理器410可以通过运行存储在内部存储器421的上述指令，从而使得终端400执行本申请一些实施例中所提供的灭屏显示的方法，以及各种应用以及数据处理等。内部存储器421可以包括存储程序区和存储数据区。其中，存储程序区可存储操作系统；该存储程序区还可以存储一个或多个应用(比如图库、联系人等)等。存储数据区可存储终端设备400使用过程中所创建的数据(比如照片，联系人等)等。此外，内部存储器421可以包括高速随机存取存储器，还可以包括非易失性存储器，例如一个或多个磁盘存储部件，闪存部件，通用闪存存储器(universal flash storage，UFS)等。在一些实施例中，处理器410可以通过运行存储在内部存储器421的指令，和/或存储在设置于处理器410中的存储器的指令，来使得终端设备400执行本申请实施例中所提供的灭屏显示的方法，以及其他应用及数据处理。终端设备400可以通过音频模块470，扬声器470A，受话器470B，麦克风470C，耳机接口470D，以及应用处理器等实现音频功能。例如音乐播放，录音等。
传感器模块480可以包括压力传感器480A，陀螺仪传感器480B，气压传感器480C，磁传感器480D，加速度传感器480E，距离传感器480F，接近光传感器480G，指纹传感器480H，温度传感器480J，触摸传感器480K，环境光传感器480L，骨传导传感器480M等。
本实施例还提供一种计算机存储介质，该计算机存储介质中存储有计算机指令，当该计算机指令在电子设备上运行时，使得电子设备执行上述相关方法步骤实现上述实施例中的建立网络连接的方法。
本实施例还提供了一种计算机程序产品，当该计算机程序产品在计算机上运行时，使得计算机执行上述相关步骤，以实现上述实施例中的建立网络连接的方法。
另外，本申请的实施例还提供一种装置，这个装置具体可以是芯片，组件或模块，该装置可包括相连的处理器和存储器；其中，存储器用于存储计算机执行指令，当装置运行时，处理器可执行存储器存储的计算机执行指令，以使芯片执行上述各方法实施例中的建立网络连接的方法。
其中，本实施例提供的网络设备、终端设备、计算机存储介质、计算机程序产品或芯片均用于执行上文所提供的对应的方法，因此，其所能达到的有益效果可参考上文所提供的对应的方法中的有益效果，此处不再赘述。
可选地，本申请提供的建立网络连接的方法可以包括以下可选的实施例。
实施例一：一种建立网络连接的方法，其特征在于，所述方法适用于终端设备，所述终端设备支持第一SIM卡和第二SIM卡，所述第一SIM卡与网络设备之间存在网络连接，所述方法包括：所述终端设备接收所述网络设备发送的第一RRC消息，所述第一RRC消 息携带所述第二SIM卡接入网络的配置信息；所述终端设备根据所述配置信息与所述网络设备建立网络连接。
实施例二：根据实施例一所述的方法，其特征在于，所述配置信息包括所述第二SIM卡的小区无线网络临时标识C-RNTI和无线资源信息。
实施例三：根据实施例一或实施例二所述的方法，其特征在于，所述方法还包括：所述终端设备向所述网络设备发送第二RRC消息，所述第二RRC消息携带网络连接建立请求，所述网络连接建立请求用于请求建立所述第二SIM卡与所述网络设备之间的网络连接。
实施例四：根据实施例三所述的方法，其特征在于，所述终端设备向所述网络设备发送第二RRC消息，包括：当所述第二SIM卡处于空闲态，且所述第二SIM卡需要发起业务时，所述终端设备向所述网络设备发送所述第二RRC消息。
实施例五：根据实施例一或实施例二所述的方法，其特征在于，所述方法还包括：
所述终端设备向所述网络设备发送第二RRC消息，所述第二RRC消息携带网络连接恢复请求，所述网络连接恢复请求用于请求恢复所述第二SIM卡与所述网络设备之间的网络连接。
实施例六：根据实施例五5所述的方法，其特征在于，所述终端设备以所述第一SIM卡向所述网络设备发送第二RRC消息，包括：当所述第二SIM卡处于去激活态，且所述第二SIM卡需要发起业务时，所述终端设备向所述网络设备发送所述第二RRC消息。
实施例七：根据实施例三至实施例六中任一项所述的方法，其特征在于，所述第二RRC消息还携带第一指示信息，所述第一指示信息用于指示断开所述第一SIM卡与所述网络设备之间的网络连接的断开方式，所述断开方式包括挂起或释放。
实施例八：根据实施例一至实施例七中任一项所述的方法，其特征在于，所述方法还包括：所述终端设备通过所述第一SIM卡与所述网络设备之间的网络连接，接收所述网络设备发送的第三RRC消息，所述第三RRC消息用于指示断开与所述第一SIM卡之间的网络连接。
实施例九：根据实施例一至实施例七中任一项所述的方法，其特征在于，所述第一RRC消息还用于指示断开与所述第一SIM卡之间的网络连接。
实施例十：根据实施例一至实施例七中任一项所述的方法，其特征在于，所述方法还包括：所述终端设备通过所述第二SIM卡与所述网络设备之间的网络连接，接收所述网络设备发送的第三RRC消息，所述第三RRC消息用于指示断开与所述第一SIM卡之间的网络连接。
实施例十一：一种建立网络连接的方法，其特征在于，包括：网络设备获取终端设备的第二SIM卡接入网络的配置信息，其中，所述终端设备支持第一SIM和所述第二SIM卡，且所述第一SIM卡与所述网络设备之间存在网络连接；所述网络设备向所述终端设备发送第一RRC消息，所述第一RRC消息携带所述配置信息。
实施例十二：根据实施例十一所述的方法，其特征在于，所述配置信息包括所述第二SIM卡的小区无线网络临时标识C-RNTI和无线资源信息。
实施例十三：根据实施例十一或实施例十二所述的方法，其特征在于，当所述第二SIM卡处于空闲态时，所述方法还包括：所述网络设备接收所述终端设备发送的第二RRC 消息，所述第二RRC消息携带网络连接建立请求，所述网络连接建立请求用于请求建立所述第二SIM卡与所述网络设备之间的网络连接。
实施例十四：根据实施例十三所述的方法，其特征在于，所述网络设备获取终端设备的第二SIM卡接入网络的配置信息，包括：所述网络设备根据所述网络连接建立请求，生成所述配置信息。
实施例十五：根据实施例十一或实施例十二所述的方法，其特征在于，当所述第二SIM卡处于去激活态时，所述方法还包括：所述网络设备接收所述终端设备发送的第二RRC消息，所述第二RRC消息携带网络连接恢复请求，所述网络连接恢复请求用于请求恢复所述第二SIM卡与所述网络设备之间的网络连接。
实施例十六：根据实施例十五所述的方法，其特征在于，所述网络设备获取终端设备的第二SIM卡接入网络的配置信息，包括：所述网络设备根据所述网络连接恢复请求，生成所述配置信息。
实施例十七：根据实施例十一至实施例十六中任一项所述的方法，其特征在于，所述方法还包括：所述网络设备断开与所述第一SIM卡之间的网络连接。
实施例十八：根据实施例十七所述的方法，其特征在于，所述第二RRC消息还携带第一指示信息，所述第一指示信息用于指示断开所述第一SIM卡与所述网络设备之间的网络连接的断开方式，所述断开方式包括挂起或释放，所述网络设备断开与所述第一SIM卡之间的网络连接，包括：所述网络设备根据所述第一指示信息指示的所述断开方式，断开与所述第一SIM卡之间的网络连接。
实施例十九：根据实施例十一至实施例十八中任一项所述的方法，其特征在于，所述方法还包括：所述网络设备通过与所述第一SIM卡之间的网络连接，向所述终端设备发送第三RRC消息，所述第三RRC消息用于指示断开与所述第一SIM卡之间的网络连接。
实施例二十：根据实施例十一至实施例十八中任一项所述的方法，其特征在于，所述第一RRC消息还用于指示断开与所述第一SIM卡之间的网络连接。
实施例二十一：根据实施例十一至实施例十八中任一项所述的方法，其特征在于，所述方法还包括：所述网络设备通过与所述第二SIM卡之间的网络连接，向所述终端设备发送第三RRC消息，所述第三RRC消息用于指示断开与所述第一SIM卡之间的网络连接。
实施例二十二、一种建立网络连接的方法，其特征在于，所述方法适用于通信系统，所述通信系统包括终端设备和网络设备，所述终端支持第一SIM卡和第二SIM卡，且所述第一SIM卡与所述网络设备之间存在网络连接，所述方法包括：所述网络设备获取所述第二SIM卡接入网络的配置信息；所述网络设备向所述终端设备发送第一RRC消息，所述第一RRC消息携带所述配置信息；所述终端设备接收所述网络设备发送的所述第一RRC消息；所述终端设备根据所述配置信息，与所述网络设备建立网络连接。
实施例二十三：根据实施例二十二所述的方法，其特征在于，所述配置信息包括所述第二SIM卡的小区无线网络临时标识C-RNTI和无线资源信息。
实施例二十四：根据实施例二十二或实施例二十三所述的方法，其特征在于，所述方法还包括：所述终端设备向所述网络设备发送第二RRC消息，所述第二RRC消息携带网络连接建立请求，所述网络连接建立请求用于请求建立所述第二SIM卡与所述网络设备 之间的网络连接。
实施例二十五：根据实施例二十四所述的方法，其特征在于，所述终端设备向所述网络设备发送第二RRC消息，包括：当所述第二SIM卡处于空闲态，且所述第二SIM卡需要发起业务时，所述终端设备向所述网络设备发送所述第二RRC消息。
实施例二十六：根据实施例二十四或实施例二十五所述的方法，其特征在于，所述网络设备获取所述第二SIM卡接入网络的配置信息，包括：所述网络设备根据所述网络连接建立请求，生成所述配置信息。
实施例二十七：根据实施例二十二或实施例二十三所述的方法，其特征在于，所述方法还包括：所述终端设备向所述网络设备发送第二RRC消息，所述第二RRC消息携带网络连接恢复请求，所述网络连接恢复请求用于请求恢复所述第二SIM卡与所述网络设备之间的网络连接。
实施例二十八：根据实施例二十七所述的方法，其特征在于，所述终端设备向所述网络设备发送第二RRC消息，包括：当所述第二SIM卡处于去激活态，且所述第二SIM卡需要发起业务时，所述终端设备向所述网络设备发送所述第二RRC消息。
实施例二十九：根据实施例二十七或实施例二十八所述的方法，其特征在于，所述网络设备获取所述第二SIM卡接入网络的配置信息，包括：所述网络设备根据所述网络连接恢复请求，生成所述配置信息。
实施例三十：根据实施例二十二至实施例二十九中任一项所述的方法，其特征在于，所述方法还包括：所述网络设备断开与所述第一SIM卡之间的网络连接。
实施例三十一：根据实施例三十所述的方法，其特征在于，所述第二RRC消息还携带第一指示信息，所述第一指示信息用于指示断开所述第一SIM卡与所述网络设备之间的网络连接的断开方式，所述断开方式包括挂起或释放，所述网络设备断开与所述第一SIM卡之间的网络连接，包括：所述网络设备根据所述第一指示信息指示的所述断开方式，断开与所述第一SIM卡之间的网络连接。
实施例三十二：根据实施例二十二至实施例三十一中任一项所述的方法，其特征在于，所述方法还包括：所述网络设备通过与所述第一SIM卡之间的网络连接，向所述终端设备发送第三RRC消息，所述第三RRC消息用于指示所述断开与所述第一SIM卡之间的网络连接。
实施例三十三：根据实施例二十二至实施例三十一中任一项所述的方法，其特征在于，所述第一RRC消息还用于指示断开与所述第一SIM卡之间的网络连接。
实施例三十四：根据实施例二十二至实施例三十一中任一项所述的方法，其特征在于，所述方法还包括：所述网络设备通过与所述第二SIM卡之间的网络连接，向所述终端设备发送第三RRC消息，所述第三RRC消息用于指示断开与所述第一SIM卡之间的网络连接。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以 硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应所述以权利要求的保护范围为准。

Claims (29)

  1. 一种建立网络连接的方法，其特征在于，所述方法适用于终端设备，所述终端设备支持第一用户身份模块SIM卡和第二SIM卡，所述第一SIM卡与网络设备之间存在网络连接，所述方法包括：
    所述终端设备接收所述网络设备发送的第一无线资源控制RRC消息，所述第一RRC消息携带所述第二SIM卡接入网络的配置信息；
    所述终端设备根据所述配置信息与所述网络设备建立网络连接。
  2. 根据权利要求1所述的方法，其特征在于，所述配置信息包括所述第二SIM卡的小区无线网络临时标识C-RNTI和无线资源信息。
  3. 根据权利要求1或2所述的方法，其特征在于，所述方法还包括：
    所述终端设备向所述网络设备发送第二RRC消息，所述第二RRC消息携带网络连接建立请求，所述网络连接建立请求用于请求建立所述第二SIM卡与所述网络设备之间的网络连接。
  4. 根据权利要求3所述的方法，其特征在于，所述终端设备向所述网络设备发送第二RRC消息，包括：
    当所述第二SIM卡处于空闲态，且所述第二SIM卡需要发起业务时，所述终端设备向所述网络设备发送所述第二RRC消息。
  5. 根据权利要求1或2所述的方法，其特征在于，所述方法还包括：
    所述终端设备向所述网络设备发送第二RRC消息，所述第二RRC消息携带网络连接恢复请求，所述网络连接恢复请求用于请求恢复所述第二SIM卡与所述网络设备之间的网络连接。
  6. 根据权利要求5所述的方法，其特征在于，所述终端设备以所述第一SIM卡向所述网络设备发送第二RRC消息，包括：
    当所述第二SIM卡处于去激活态，且所述第二SIM卡需要发起业务时，所述终端设备向所述网络设备发送所述第二RRC消息。
  7. 根据权利要求3至6中任一项所述的方法，其特征在于，所述第二RRC消息还携带第一指示信息，所述第一指示信息用于指示断开所述第一SIM卡与所述网络设备之间的网络连接的断开方式，所述断开方式包括挂起或释放。
  8. 一种建立网络连接的方法，其特征在于，包括：
    网络设备获取终端设备的第二用户身份模块SIM卡接入网络的配置信息，其中，所述终端设备支持第一SIM和所述第二SIM卡，且所述第一SIM卡与所述网络设备之间存在网络连接；
    所述网络设备向所述终端设备发送第一无线资源控制RRC消息，所述第一RRC消息携带所述配置信息。
  9. 根据权利要求8所述的方法，其特征在于，所述配置信息包括所述第二SIM卡的小区无线网络临时标识C-RNTI和无线资源信息。
  10. 根据权利要求8或9所述的方法，其特征在于，当所述第二SIM卡处于空闲态时，所述方法还包括：
    所述网络设备接收所述终端设备发送的第二RRC消息，所述第二RRC消息携带网络连接建立请求，所述网络连接建立请求用于请求建立所述第二SIM卡与所述网络设备之间的网络连接。
  11. 根据权利要求10所述的方法，其特征在于，所述网络设备获取终端设备的第二SIM卡接入网络的配置信息，包括：
    所述网络设备根据所述网络连接建立请求，生成所述配置信息。
  12. 根据权利要求8或9所述的方法，其特征在于，当所述第二SIM卡处于去激活态时，所述方法还包括：
    所述网络设备接收所述终端设备发送的第二RRC消息，所述第二RRC消息携带网络连接恢复请求，所述网络连接恢复请求用于请求恢复所述第二SIM卡与所述网络设备之间的网络连接。
  13. 根据权利要求12所述的方法，其特征在于，所述网络设备获取终端设备的第二SIM卡接入网络的配置信息，包括：
    所述网络设备根据所述网络连接恢复请求，生成所述配置信息。
  14. 根据权利要求8至13中任一项所述的方法，其特征在于，所述方法还包括：
    所述网络设备断开与所述第一SIM卡之间的网络连接。
  15. 根据权利要求14所述的方法，其特征在于，所述第二RRC消息还携带第一指示信息，所述第一指示信息用于指示断开所述第一SIM卡与所述网络设备之间的网络连接的断开方式，所述断开方式包括挂起或释放，所述网络设备断开与所述第一SIM卡之间的网络连接，包括：
    所述网络设备根据所述第一指示信息指示的所述断开方式，断开与所述第一SIM卡之间的网络连接。
  16. 一种建立网络连接的方法，其特征在于，所述方法适用于通信系统，所述通信系统包括终端设备和网络设备，所述终端支持第一用户身份模块SIM卡和第二SIM卡，且所述第一SIM卡与所述网络设备之间存在网络连接，所述方法包括：
    所述网络设备获取所述第二SIM卡接入网络的配置信息；
    所述网络设备向所述终端设备发送第一无线资源控制RRC消息，所述第一RRC消息携带所述配置信息；
    所述终端设备接收所述网络设备发送的所述第一RRC消息；
    所述终端设备根据所述配置信息，与所述网络设备建立网络连接。
  17. 根据权利要求16所述的方法，其特征在于，所述配置信息包括所述第二SIM卡的小区无线网络临时标识C-RNTI和无线资源信息。
  18. 根据权利要求16或17所述的方法，其特征在于，所述方法还包括：
    所述终端设备向所述网络设备发送第二RRC消息，所述第二RRC消息携带网络连接建立请求，所述网络连接建立请求用于请求建立所述第二SIM卡与所述网络设备之间的网络连接。
  19. 根据权利要求18所述的方法，其特征在于，所述终端设备向所述网络设备发送第二RRC消息，包括：
    当所述第二SIM卡处于空闲态，且所述第二SIM卡需要发起业务时，所述终端设备 向所述网络设备发送所述第二RRC消息。
  20. 根据权利要求18或19所述的方法，其特征在于，所述网络设备获取所述第二SIM卡接入网络的配置信息，包括：
    所述网络设备根据所述网络连接建立请求，生成所述配置信息。
  21. 根据权利要求16或17所述的方法，其特征在于，所述方法还包括：
    所述终端设备向所述网络设备发送第二RRC消息，所述第二RRC消息携带网络连接恢复请求，所述网络连接恢复请求用于请求恢复所述第二SIM卡与所述网络设备之间的网络连接。
  22. 根据权利要求21所述的方法，其特征在于，所述终端设备向所述网络设备发送第二RRC消息，包括：
    当所述第二SIM卡处于去激活态，且所述第二SIM卡需要发起业务时，所述终端设备向所述网络设备发送所述第二RRC消息。
  23. 根据权利要求21或22所述的方法，其特征在于，所述网络设备获取所述第二SIM卡接入网络的配置信息，包括：
    所述网络设备根据所述网络连接恢复请求，生成所述配置信息。
  24. 根据权利要求16至23中任一项所述的方法，其特征在于，所述方法还包括：
    所述网络设备断开与所述第一SIM卡之间的网络连接。
  25. 根据权利要求24所述的方法，其特征在于，所述第二RRC消息还携带第一指示信息，所述第一指示信息用于指示断开所述第一SIM卡与所述网络设备之间的网络连接的断开方式，所述断开方式包括挂起或释放，所述网络设备断开与所述第一SIM卡之间的网络连接，包括：
    所述网络设备根据所述第一指示信息指示的所述断开方式，断开与所述第一SIM卡之间的网络连接。
  26. 一种建立网络连接的装置，包括用于执行如权利要求1至15中的任一项所述方法的单元或模块。
  27. 一种建立网络连接的装置，其特征在于，包括处理器和存储器，所述存储器中存储有指令，所述处理器执行所述指令时，使得所述装置执行权利要求1至15任一项所述的方法。
  28. 一种计算机可读存储介质，其特征在于，所述存储介质中存储有计算机程序或指令，当所述计算机程序或指令被通信装置执行时，实现如权利要求1至15中任一项所述的方法。
  29. 一种计算机程序产品，其特征在于，所述计算机程序产品中包含指令，当所述指令在计算机或处理器上运行时，使得所述计算机或所述处理器实现上述权利要求1至15中任一项所述的方法。
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