WO2022193999A1 - Procédé et dispositif de transfert de service, terminal et support de stockage lisible - Google Patents

Procédé et dispositif de transfert de service, terminal et support de stockage lisible Download PDF

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Publication number
WO2022193999A1
WO2022193999A1 PCT/CN2022/079903 CN2022079903W WO2022193999A1 WO 2022193999 A1 WO2022193999 A1 WO 2022193999A1 CN 2022079903 W CN2022079903 W CN 2022079903W WO 2022193999 A1 WO2022193999 A1 WO 2022193999A1
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WO
WIPO (PCT)
Prior art keywords
card
network
mobile network
service
switching
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PCT/CN2022/079903
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English (en)
Chinese (zh)
Inventor
毛源泽
康艳超
蔡宗颖
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维沃移动通信有限公司
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Publication of WO2022193999A1 publication Critical patent/WO2022193999A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/183—Processing at user equipment or user record carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • 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

  • the present application belongs to the field of communication technologies, and in particular relates to a service switching method, device, terminal and readable storage medium.
  • a terminal may insert two or more than two cards at the same time, such as a Subscriber Identity Module (SIM) for communication.
  • SIM Subscriber Identity Module
  • the terminal since the terminal usually has a set of antennas, when one card needs to send and receive data, it will occupy the antenna resources, so that other cards cannot send and receive data. Therefore, for a multi-card single-pass terminal, when the terminal uses the main card to perform services with high real-time requirements such as online games, online video, and video chat, other cards need to periodically send messages such as re-registration or re-subscription. , so the resources of the main card will be occupied, which will cause the main card service to be stuck and affect the user experience.
  • SIM Subscriber Identity Module
  • Embodiments of the present application provide a service switching method, device, terminal, and readable storage medium, so as to solve the problem that in a multi-card single-pass terminal, when a certain card executes a service with high real-time requirements, due to the influence of other cards The card's business is stuck.
  • a first aspect provides a service switching method, which is performed by a terminal, a first card and a second card are inserted into the terminal, the terminal accesses a first mobile network based on the first card, and the terminal is based on the The second card is connected to the second mobile network, and the method includes:
  • the switching of the second target service of the second card to the wireless local area network service based on the first mobile network is triggered.
  • a service switching device which is applied to a terminal, where a first card and a second card are inserted into the terminal, the terminal accesses a first mobile network based on the first card, and the terminal is based on the The second card is connected to the second mobile network, and the device includes:
  • an execution module configured to execute the first target service of the first card based on the first mobile network
  • a first triggering module configured to trigger switching of the second target service of the second card to a wireless local area network service based on the first mobile network during the execution of the first target service based on the first mobile network .
  • a terminal in a third aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented.
  • a chip in a fifth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the method according to the first aspect .
  • embodiments of the present application provide a computer program product, wherein the computer program product is stored in a non-transitory storage medium, and the computer program product is executed by at least one processor to implement the first aspect the method described.
  • an embodiment of the present application provides a communication device, which is configured to execute the method described in the first aspect.
  • the terminal when the terminal accesses the first mobile network based on the first card and accesses the second mobile network based on the second card, during execution of the first target service of the first card based on the first mobile network, the terminal may Trigger to switch the second target service of the second card to the wireless local area network service based on the first mobile network.
  • the second card can use the data traffic of the first card to perform services, thereby solving the double-pass problem to a certain extent, so that during the execution of the business requiring high real-time performance of the first card, the service of the second card can be effectively avoided.
  • the services that require high real-time performance of the first card are stuck, which improves the user experience.
  • FIG. 1 is a block diagram of a wireless communication system provided by an embodiment of the present application.
  • FIG. 2 is a flowchart of a service switching method provided by an embodiment of the present application
  • FIG. 3 is a schematic diagram of a service switching solution in an embodiment of the present application.
  • FIG. 5 is a flowchart of a service switching process in Embodiment 2 of the present application.
  • FIG. 6 is a schematic structural diagram of a service switching apparatus provided by an embodiment of the present application.
  • FIG. 7 is one of the schematic structural diagrams of a terminal provided by an embodiment of the present application.
  • FIG. 8 is the second schematic structural diagram of a terminal provided by an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the description below, but the techniques can also be applied to applications other than NR system applications, such as 6th generation (6th generation ) Generation, 6G) communication system.
  • 6th generation 6th generation
  • 6G 6th generation
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Networks (WLAN) ) access point, Wireless-Fidelity (Wi-Fi) node, Transmitting Receiving Point (TRP) or some other appropriate term in the field, as long as the same technical effect is achieved, the Base stations are not limited to a specific technical vocabulary.
  • Voice over WiFi (Voice over Wi-Fi, VoWiFi) technology is to use the existing wireless fidelity network to realize wireless voice over Internet Protocol (Voice over Internet Protocol, VoIP) voice calls, the terminal can use the VoWiFi technology to cover the wireless local area network Roaming voice and video calls and other services can be performed at any time within the range.
  • VoIP Voice over Internet Protocol
  • the terminal may set one card to provide data services by default, such as Internet access, etc., which is called the primary card, and other cards are secondary cards.
  • VoMobile means that voice voice calls to and from the main card data traffic, that is, the secondary card can use the data traffic of the main card to perform the VoWiFi phone function.
  • the data flow of the main card can be used to make a call; on the other hand, the double-call problem can be solved to a certain extent, that is, the main card is in a call, and the auxiliary card can receive incoming calls to prevent missed calls.
  • an embodiment of the present application proposes a service switching method, wherein when the terminal accesses the first mobile network based on the first card and accesses the second mobile network based on the second card, During the execution of the first target service of the first card by the network, switching of the second target service of the second card to the wireless local area network service based on the first mobile network may be triggered.
  • the second card can use the data traffic of the first card to perform services, thereby solving the double-pass problem to a certain extent, so that during the execution of important services of the first card, the first card is effectively prevented from being caused by the services of the second card.
  • the important business of the system is stuck, which improves the user experience.
  • FIG. 2 is a flowchart of a service switching method provided by an embodiment of the present application, and the method is executed by a terminal.
  • a first card and a second card are inserted into the terminal, for example, the terminal includes a first card module and a second card module, the first card is inserted into the first card module, the second card is inserted into the second card module, and the terminal is connected to the first card based on the first card.
  • a mobile network, and the terminal accesses the second mobile network based on the second card.
  • the method includes the following steps:
  • Step 21 Execute the first target service of the first card based on the first mobile network.
  • the first card can be selected as the main card of the terminal.
  • the first target service can be selected as a service with high real-time requirements, including but not limited to online games, online video, video chat and other services.
  • the first target service can be set based on the actual needs of the user.
  • the terminal in this embodiment is not limited to a dual-card terminal, and may also be a multi-card terminal, such as a three-card terminal.
  • the first card and the second card can be optionally a SIM card, a Universal Subscriber Identity Module (USIM), an embedded SIM (Embedded-SIM, eSIM) card, and the like.
  • the first mobile network and the second mobile network may be the same or different.
  • the first mobile network and the second mobile network are mobile networks of different or the same operator.
  • both the first mobile network and the second mobile network are LTE networks; or, the first mobile network is a 5G network, and the second mobile network is an LTE network.
  • Step 22 During the execution of the first target service based on the first mobile network, trigger switching of the second target service of the second card to the wireless local area network service based on the first mobile network.
  • the second card can be selected as a secondary card of the terminal.
  • the second target service can be selected as voice, registration, time-frequency and other services. After switching the second target service of the second card to the wireless local area network service based on the first mobile network, the terminal may execute the second target service based on the data traffic of the first card.
  • the main card of the terminal can use the data traffic of the main card during important services such as online games, online video, video chat, etc.
  • Registering with VoMobile can effectively prevent the main card's important business from being stuck due to the secondary card regularly sending messages such as re-registration or re-subscription.
  • the terminal when the terminal accesses the first mobile network based on the first card and accesses the second mobile network based on the second card, during execution of the first target service of the first card based on the first mobile network, the terminal may Trigger to switch the second target service of the second card to the wireless local area network service based on the first mobile network.
  • the second card can use the data traffic of the first card to perform services, thereby solving the double-pass problem to a certain extent, so that during the execution of the business requiring high real-time performance of the first card, the service of the second card can be effectively avoided.
  • the important business of the first card is stuck and the user experience is improved.
  • the terminal when the terminal triggers the switching of the second target service of the second card to the wireless local area network service based on the first mobile network, the terminal may initiate a handover request (Handover Request) message to trigger, or may send a measurement The measurement report is triggered, or it can be triggered when certain conditions are met.
  • a handover request Handover Request
  • the above-mentioned process of triggering the switching of the second target service of the second card to the wireless local area network service based on the first mobile network may include:
  • This first network side equipment is, for example, an evolved packet data gateway (Evolevd Packet Data Gateway, ePDG);
  • ePDG evolved packet data gateway
  • the handover of the second target service to the wireless local area network service based on the first mobile network is triggered.
  • the first handover response message may include the access point name (Access Point Name, APN) information of the second card, the packet data network gateway (Packet Data Network Gateway, PGW) information of the second card, ePDG address information, etc. , to complete the authentication process based on this information.
  • APN Access Point Name
  • PGW Packet Data Network Gateway
  • the above-mentioned process of triggering the switching of the second target service of the second card to the wireless local area network service based on the first mobile network may include:
  • the second network side device may be a mobility management entity (Mobility Management Entity, MME);
  • MME Mobility Management Entity
  • the switching of the second target service to the wireless local area network service based on the first mobile network is triggered.
  • the first measurement report may include, but is not limited to: the signal quality and strength information of the serving cell where the second card is located, the indication information (FLAG) indicating whether the second card is performing important services, and the information about the serving cell where the first card is located.
  • Signal quality and strength information may include: Reference Signal Receiving Power (RSRP), Reference Signal Received Quality (RSRQ), Signal to Interference plus Noise Ratio (SINR) )Wait.
  • RSRP Reference Signal Receiving Power
  • RSRQ Reference Signal Received Quality
  • SINR Signal to Interference plus Noise Ratio
  • the second network-side device may deliver the first A handover instruction is sent to the terminal to trigger the handover of the second target service to the wireless local area network service based on the first mobile network.
  • the terminal may trigger the switching of the second target service to the wireless local area network based on the first mobile network network business to ensure the smooth progress of the second target business.
  • the first threshold and the second threshold may be preset based on actual requirements.
  • the terminal may also trigger the switching of the second target service from the wireless local area network service based on the first mobile network to the wireless local area network service based on the first mobile network.
  • the service is switched to the service based on the second mobile network.
  • the service switching method in this embodiment may further include:
  • the switching of the second target service from the wireless local area network service based on the first mobile network to the service based on the second mobile network is triggered:
  • the first target service ends, or the first target service is not executed within a preset time
  • the signal strength value of the second card is higher than the third threshold, and/or the signal quality value of the second card is higher than the fourth threshold;
  • the signal strength value of the first card is below the fifth threshold, and/or the signal quality value of the second card is below the sixth threshold.
  • the above-mentioned third threshold, fourth threshold, fifth threshold and sixth threshold may be preset based on actual requirements, and may be the same or different, which is not limited.
  • the first target service ends, or the first target service is not executed within the preset time, it can indicate that executing the second target service under the second mobile network will not affect the first target service, so the second target service can be The service is switched back to the service under the second mobile network.
  • the second target service may be switched back to the service under the second mobile network, so as to efficiently perform the first 2. Target business.
  • the second target service can be switched back to the second Services under the mobile network to ensure the execution of the first target service.
  • the above-mentioned process of triggering the switching of the second target service from the wireless local area network service based on the first mobile network to the service based on the second mobile network may include:
  • the third network-side device For example, ePDG;
  • the handover of the second target service to the service based on the second mobile network is triggered.
  • the second handover response message may include APN information of the second card, PGW information of the second card, ePDG address information, etc., so that the second card is attached to the second mobile network based on these information.
  • the handover of the second target service back to the service based on the second mobile network can be triggered, that is, the second target service is executed by using the second mobile network.
  • the above-mentioned process of triggering the switching of the second target service from the wireless local area network service based on the first mobile network to the service based on the second mobile network may include:
  • the fourth network-side device is, for example, an ePDG;
  • the switching of the second target service to the service based on the second mobile network is triggered.
  • the second measurement report may include, but is not limited to: the signal quality and strength information of the serving cell where the second card is located, the indication information (FLAG) indicating whether the second card is performing important services, and the information about the serving cell where the first card is located.
  • Signal quality and strength information etc.
  • the signal quality and strength information may include: RSRP, RSRQ, SINR, and the like.
  • the fourth network-side device may issue the 2.
  • a handover instruction is sent to the terminal to trigger the handover of the second target service to the wireless local area network service based on the first mobile network.
  • the terminal UE inserts dual cards, namely card 1 (such as SIM1) and card 2 (such as SIM2), and it is assumed that both SIM1 and SIM2 are registered in VoLTE, the data network is on SIM1, and there is no Wi-Fi connection or Wi-Fi signal is weak.
  • card 1 such as SIM1
  • SIM2 is registered in VoLTE.
  • the switching scheme at this time can be shown in Figure 3:
  • the SIM1 of the UE is connected to the LTE1 network
  • the SIM2 of the UE is connected to the LTE2 network
  • the MME1 registers the APN, PGW and other information of the SIM1 to the Home Subscriber Server (HSS)
  • the MME2 registers the APN, PGW, etc. of the SIM2 Information is registered to HSS.
  • the UE detects that the signal quality and strength of SIM1 is strong, such as RSRP, RSRQ and/or SNR higher than the preset threshold, SIM2 is registered in VoLTE, and the UE starts important services (such as online games, online video, video based on the data traffic of SIM1) chat, etc.), trigger SIM2 to switch to VoMobile at this time.
  • the signal quality and strength of SIM1 is strong, such as RSRP, RSRQ and/or SNR higher than the preset threshold
  • SIM2 is registered in VoLTE, and the UE starts important services (such as online games, online video, video based on the data traffic of SIM1) chat, etc.), trigger SIM2 to switch to VoMobile at this time.
  • UE's SIM2 attaches to the ePDG using SIM1's mobile network.
  • the ePDG obtains APN, PGW and other information from the HSS.
  • the ePDG selects the same PGW access as SIM2 before handover, and the PGW deletes the original side resources of SIM2.
  • the thick solid line in Figure 3 indicates that SIM1 registers VoLTE through the LTE1 network
  • the thin solid line in Figure 3 indicates that SIM2 registers VoLTE through the LTE2 network
  • the dotted line in Figure 3 indicates that SIM2 registers VoLTE through the LTE1 network of SIM1. Switch to VoMobile.
  • Embodiment 1 of the present application when the signal quality and strength of SIM1 are strong, and the current UE will use the data traffic of SIM1 to perform important services such as online games, online video, video chat, etc., SIM2 registers In VoLTE, SIM2 is triggered to switch from VoLTE to VoMobile at this time.
  • the method of sending a handover request message is adopted to process the handover process, and the specific process is as follows:
  • the UE inserts dual SIM cards, namely SIM1 and SIM2, both are registered with VoLTE, and there is no Wi-Fi network at this time.
  • the UE detects that the signal quality and strength (such as RSRP, RSRQ and/or SNR) of SIM1 are higher than a preset threshold, and the UE is starting important services based on SIM1 data traffic, such as online games, online videos, Video chat, etc.; UE's SIM2 sends a Wi-FiHandover Request message to the Evolved UMTS Terrestrial Radio Access Network (E-UTRAN 2) to instruct the network to prepare VoMobile in advance (that is, to use the data traffic of SIM1 Execute VoWiFi service) handover.
  • E-UTRAN 2 Evolved UMTS Terrestrial Radio Access Network
  • E-UTRAN 2 continues to forward the relevant Wi-Fi Handover Request message to MME2 for processing.
  • MME 2 receives the Wi-Fi Handover Request message and forwards the message to the ePDG for processing.
  • the ePDG can be obtained by querying the Domain Name System (DNS).
  • DNS Domain Name System
  • the ePDG After the ePDG receives the Wi-Fi Handover Request message, it obtains APN, PGW and other information from the HSS.
  • the HSS returns the APN, PGW and other information to the ePDG.
  • the ePDG sends a Wi-Fi Handover Response message, carrying information such as APN2, PGW 2 and ePDG address to MME 2.
  • MME 2 forwards the Wi-Fi Handover Response message to E-UTRAN 2 for processing.
  • E-UTRAN 2 continues to forward the Wi-Fi Handover Response message to the UE.
  • the UE SIM2 parses out the ePDG address and other information carried in the Wi-Fi Handover Response message, and uses the ePDG address to perform the IKEv2 process, and completes the establishment of the network key exchange protocol (Internet key Exchange, IKE) channel Tunnel and the third generation
  • the authentication and authentication process of 3rd Generation Partnership Project Authentication Authorization and Accounting (3GPP AAA) will be obtained in the third Extensible Authentication Protocol (EAP) response message at the same time.
  • 3GPP AAA 3rd Generation Partnership Project Authentication Authorization and Accounting
  • EAP Extensible Authentication Protocol
  • IP Internet Protocol
  • the ePDG After receiving the third EAP Response message, the ePDG starts to send the Create Session Request message to PGW2. In this message, the IP address information of the UE obtained from the IKE message will be carried, then the ePDG will set the Handover flag to 1, and the access type (RAT Type) will be WLAN.
  • RAT Type access type
  • the PGW2 After the PGW2 receives the Create Session Request message, it will interact with the Policy and Charging Rules Function (PCRF) through the CCR/CCA message to obtain the corresponding rule information in the Wi-Fi access scenario . Then, the PGW2 will report the PGW ID information to the 3GPP AAA through the AAR message, and the 3GPP AAA will synchronize the information to the HSS; in this process, the HSS will synchronize the PGW2 information under the APN corresponding to the voice to the MME 2 through the Insert Subscriber Data message.
  • PCRF Policy and Charging Rules Function
  • PGW2 returns the Modify Bearer Response to the ePDG for confirmation. After the ePDG receives the Create Session Response message, it will send the IKE_AUTH message to the UE side, and then complete the IPsec tunnel creation process.
  • the ePDG and UE SIM2 complete the IKEv2 message exchange and create an IPSec tunnel.
  • the ePDG Since the Handover flag is set in step 11, the ePDG sends a Modify Bearer Request message to PGW2, and PGW2 switches the downlink tunnel from 3GPP to the WLAN side after receiving the message.
  • PGW2 returns Modify Bearer Response to ePDG for confirmation.
  • UE SIM2 is established through the IP connection between E-UTRAN 1 and PGW2, including a segment of Internet Protocol Security (IPSec) tunnel and a segment of General Packet Radio Service Tunnelling Protocol (GTP) Tunnel, and register with VoWiFi, you can make calls through VoWiFi.
  • IPSec Internet Protocol Security
  • GTP General Packet Radio Service Tunnelling Protocol
  • the PGW2 initiates the PDN GW Initiated Bearer Deactivation (S5/S8 uses GTP) process to the 3GPP access to release the resources for the original side SIM2 to register for VoLTE.
  • PDN GW Initiated Bearer Deactivation S5/S8 uses GTP
  • the UE detects that the important service based on SIM1/SIM2 data traffic ends, or stays in the background for more than a certain time T (T time can be specifically defined based on actual needs), or the signal quality and strength of SIM1 (such as RSRP, RSRQ, SNR) ) is lower than the preset threshold, the UE sends a Wi-Fi Handover Request message to E-UTRAN 1.
  • T time can be specifically defined based on actual needs
  • the signal quality and strength of SIM1 such as RSRP, RSRQ, SNR
  • E-UTRAN 1 continues to forward the relevant Wi-Fi Handover Request message to MME 1 for processing.
  • MME 1 continues to forward the relevant Wi-Fi Handover Request message to PGW 1 for processing.
  • PGW 1 continues to forward the relevant Wi-Fi Handover Request message to the ePDG for processing.
  • the ePDG After receiving the Wi-Fi Handover Request message, the ePDG sends a Wi-Fi Handover Response message to PGW1, which carries the information of APN2 and PGW2 before handover.
  • PGW 1 forwards the Wi-Fi Handover Response message to MME1 for processing.
  • MM1 After receiving the Wi-Fi Handover Response message, MM1 continues to transfer it to E-UTRAN 1 for processing.
  • E-UTRAN 1 After E-UTRAN 1 receives the Wi-Fi Handover Response message sent by MM1, it will continue to send it to the UE, indicating that UE SIM2 can perform VoLTE services through the mobile data network of E-UTRAN 2.
  • the UE SIM2 After the UE SIM2 receives the Wi-Fi Handover Response message, it parses out the APN2 and PGW2 information, and uses the information to attach to the LTE network through E-UTRAN2, register with VoLTE, and perform VoLTE services.
  • the PGW initiates the release of the relevant bearer resources on the UE SIM2 WLAN side, and the UE SIM2 VoWiFi initiates the detachment.
  • E-UTRAN 1, MME1, PGW 1, etc. are related to the LTE1 network of SIM1
  • E-UTRAN 2, MME2, PGW 2, etc. are related to the LTE2 network of SIM2.
  • the PGW after switching to VoWiFi can be inconsistent, but if SIM2 is in a VoLTE call, the PGW after switching to VoWIFI must be the same as the PGW used in the original VoLTE.
  • the PGW and APN information are kept unchanged before and after the handover.
  • Embodiment 2 of the present application when the signal quality and strength of SIM1 are strong, and the current UE will use the data traffic of SIM1 to perform important services such as online games, online videos, video chats, etc., SIM2 registers In VoLTE, SIM2 is triggered to switch from VoLTE to VoMobile at this time.
  • a method of sending a measurement report and then sending a switching message is used to process the process. The specific process is as follows:
  • the UE inserts dual SIM cards, namely SIM1 and SIM2, both are registered with VoLTE, and there is no Wi-Fi network at this time.
  • the UE detects that the signal quality and strength (such as RSRP, RSRQ and/or SNR) of SIM1 are higher than a preset threshold, and the UE is starting important services based on SIM1 data traffic, such as online games, online videos, Video chat, etc.; UE's SIM2 sends a measurement report (event Z3) to E-UTRAN 2, which can carry the current serving cell information, signal quality and strength information, whether the FLAG is performing important services, and the measured signal quality and signal quality of the SIM1 serving cell. Strength information (such as RSRP, RSRQ and/or SNR), etc.
  • the signal quality and strength such as RSRP, RSRQ and/or SNR
  • E-UTRAN 2 continues to forward the relevant measurement report (event Z3) information to MME2 for processing.
  • MME 2 determines that the current signal quality and strength (such as RSRP, RSRQ and/or SNR) of SIM2 is lower than the preset threshold, and the current signal quality and strength (such as RSRP, RSRQ and/or SNR) of SIM1 is higher than the preset When the threshold is reached, MME 2 will send Wi-Fi Handover Command to E-UTRAN 2, otherwise it will not send Wi-Fi Handover Command.
  • the current signal quality and strength such as RSRP, RSRQ and/or SNR
  • E-UTRAN 2 After E-UTRAN 2 receives the Wi-Fi Handover Command command issued by MME 2, it will continue to send it to UE, indicating that UE SIM2 can perform VoWIFI service through SIM1's mobile data network.
  • Step 6 There are two situations in this step: First, after the UE receives the Wi-Fi Handover Command issued by MME 2, it will trigger UE SIM2 to perform VoWiFi service through SIM1's mobile data network; When there is no signal, trigger UE SIM2 to perform VoWiFi service through SIM1's mobile data network.
  • the UE discovers the ePDG or pre-configured ePDG through DNS, and performs authentication and authentication in the LTE1 network of SIM1.
  • the UE SIM2 completes the authentication process of IKE Tunnel establishment and 3GPP AAA in the IKEv2 process, and at the same time obtains the information of the PGW2 used by the UE SIM2 in the VoLTE registration in the third EAP response message; and in this process , if the UE supports the address reservation procedure in the handover process (this function is added in the terminal request), the CFG_Request will be set in the IKE signaling to carry the service IP obtained during the E-UTRAN2 access before.
  • the ePDG After receiving the third EAP Response message, the ePDG starts to send the Create Session Request message to PGW2. This message will carry the IP address information of the UE obtained from the IKE message, then the ePDG will set the Handover flag to 1 and the RAT Type to WLAN.
  • the PGW2 After the PGW2 receives the Create Session Request message, it will interact with the PCRF through the CCR/CCA message to obtain the corresponding rule information in the Wi-Fi access scenario. Then, the PGW2 will report the PGW ID information to the 3GPP AAA through the AAR message, and the 3GPP AAA will synchronize the information to the HSS; in this process, the HSS will synchronize the PGW2 information under the APN corresponding to the voice to the MME 2 through the Insert Subscriber Data message.
  • PGW2 returns the Modify Bearer Response to the ePDG for confirmation.
  • the ePDG receives the Create Session Response message, it will send the IKE_AUTH message to the UE side, and then complete the IPsec tunnel creation process.
  • the ePDG and UE SIM2 complete the IKEv2 message exchange and create an IPSec tunnel.
  • the ePDG sends a Modify Bearer Request message to PGW2, and PGW2 switches the downlink tunnel from 3GPP to the WLAN side after receiving the message.
  • PGW2 returns Modify Bearer Response to ePDG for confirmation.
  • UE SIM2 is established through the IP connection between E-UTRAN 1 and PGW2, including a segment of IPSec tunnel and a segment of GTP tunnel, and registered with VoWiFi, and can conduct call services through VoWiFi.
  • the PGW2 initiates the PDN GW Initiated Bearer Deactivation (S5/S8 uses GTP) process to the 3GPP access to release the resources for the original side SIM2 to register for VoLTE.
  • PDN GW Initiated Bearer Deactivation S5/S8 uses GTP
  • the UE detects that the SIM1 signal quality and strength (such as RSRP, RSRQ and/or SNR) are lower than the preset threshold, or the UE detects that the important service based on SIM2 data traffic ends or stays in the background for more than a certain time T (time T can be specifically defined based on actual needs), send measurement report (event Z3) to E-UTRAN 1, which carries the current serving cell information, SIM1 signal quality and strength information, whether the FLAG is doing important services and the measurement signal of the SIM2 serving cell Quality and strength information (such as RSRP, RSRQ and/or SNR), etc.
  • the SIM1 signal quality and strength such as RSRP, RSRQ and/or SNR
  • E-UTRAN 1 continues to forward the relevant measurement report (event Z3) information to MME 1 for processing.
  • the MME 1 continues to forward the relevant measurement report (event Z3) information to the PGW 1 for processing.
  • PGW 1 continues to forward the relevant measurement report (event Z3) information to the ePDG for processing.
  • the current signal quality and strength such as RSRP, RSRQ and/or SNR
  • PGW1 After receiving the Wi-Fi Handover Command, PGW1 forwards it to MME1 for processing.
  • MM1 After receiving the Wi-Fi Handover Command, MM1 continues to transfer it to E-UTRAN 1 for processing.
  • E-UTRAN 1 After E-UTRAN 1 receives the issued Wi-Fi Handover Command, it will continue to send it to the UE, indicating that UE SIM2 can perform VoLTE services through the mobile data network of E-UTRAN 2.
  • UE SIM2 attaches to the LTE2 network through E-UTRAN 2, registers with VoLTE, and performs VoLTE services.
  • the PGW initiates the release of the relevant bearer resources on the UE SIM2 WLAN side, and the UE SIM2 VoWiFi initiates the detachment.
  • E-UTRAN 1, MME1, PGW 1, etc. are related to the LTE1 network of SIM1
  • E-UTRAN 2, MME2, PGW 2, etc. are related to the LTE2 network of SIM2.
  • SIM2 performs VoWiFi service through SIM1's mobile data network
  • SIM1 can perform VoWiFi service through SIM2's mobile data network, which is essentially one card through another card's data
  • the network conducts VoWiFi services.
  • the PGW is the same before and after the handover.
  • the execution subject may be a service switching apparatus, or a control module in the service switching apparatus for executing the service switching method.
  • the service switching device provided by the embodiment of the present application is described by taking a method for performing a service switching by a service switching device as an example.
  • FIG. 6 is a schematic structural diagram of a service switching device provided by an embodiment of the present application.
  • the device is applied to a terminal, a first card and a second card are inserted into the terminal, and the terminal accesses the first mobile phone based on the first card. network, and the terminal accesses the second mobile network based on the second card.
  • the service switching device 60 includes:
  • an execution module 61 configured to execute the first target service of the first card based on the first mobile network
  • a first triggering module 62 configured to trigger switching of the second target service of the second card to a wireless local area network based on the first mobile network during the execution of the first target service based on the first mobile network business.
  • the terminal when the terminal accesses the first mobile network based on the first card and accesses the second mobile network based on the second card, during execution of the first target service of the first card based on the first mobile network, the terminal may Trigger to switch the second target service of the second card to the wireless local area network service based on the first mobile network.
  • the second card can use the data traffic of the first card to perform services, thereby solving the double-pass problem to a certain extent, so that during the execution of the business requiring high real-time performance of the first card, the service of the second card can be effectively avoided.
  • the services that require high real-time performance of the first card are stuck, which improves the user experience.
  • the first trigger module 62 includes:
  • a first sending unit configured to send a first handover request message to a first network-side device through the second mobile network, wherein the first handover request message is used to indicate that the second target service of the second card will switching to a wireless local area network service based on the first mobile network;
  • a first receiving and sending unit configured to receive a first handover response message returned by the first network side device
  • a first triggering unit configured to trigger switching of the second target service to a wireless local area network service based on the first mobile network according to the first switching response message.
  • the first trigger module 62 includes:
  • a second sending unit configured to send the first measurement report to the second network-side device through the second mobile network
  • a second receiving unit configured to receive a first handover instruction issued by the second network side device according to the first measurement report
  • a second triggering unit configured to trigger switching of the second target service to a wireless local area network service based on the first mobile network according to the first switching instruction.
  • the first trigger module 62 is specifically used for:
  • the service switching device 60 further includes:
  • a second triggering module configured to trigger switching of the second target service from a wireless local area network service based on the first mobile network to a service based on the second mobile network when at least one of the following is satisfied:
  • the first target service ends, or the first target service is not executed within a preset time
  • the signal strength value of the second card is higher than the third threshold, and/or the signal quality value of the second card is higher than the fourth threshold;
  • the signal strength value of the first card is lower than the fifth threshold, and/or the signal quality value of the second card is lower than the sixth threshold.
  • the second trigger module includes:
  • a third sending unit configured to send a second handover request message to a third network-side device through the first mobile network, where the second handover request message is used to indicate that the second target service will be handed over to the service of the second mobile network;
  • a third receiving unit configured to receive the second handover response message returned by the third network-side device
  • a third triggering unit configured to trigger switching of the second target service to a service based on the second mobile network according to the second handover response message.
  • the second trigger module includes:
  • a fourth sending unit configured to send a second measurement report to a fourth network-side device through the first mobile network
  • a fourth receiving unit configured to receive a second handover instruction issued by the fourth network side device according to the second measurement report
  • a fourth triggering unit configured to trigger switching of the second target service to a service based on the second mobile network according to the second switching instruction.
  • the service switching device in this embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include but is not limited to the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (Personal Computer, PC), a television ( Television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • Network Attached Storage NAS
  • PC Personal Computer
  • TV Television, TV
  • teller machine or self-service machine, etc.
  • the service switching device in this embodiment of the present application may be a device having an operating system.
  • the operating system may be an Android (Android) operating system, an iOS operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the service switching apparatus 60 provided in this embodiment of the present application can implement each process implemented by the method embodiments in FIG. 2 to FIG. 5 , and achieve the same technical effect. To avoid repetition, details are not described here.
  • an embodiment of the present application further provides a terminal 70, including a processor 71, a memory 72, a program or instruction stored in the memory 72 and executable on the processor 71, the When the program or the instruction is executed by the processor 71, each process of the foregoing service switching method embodiment is implemented, and the same technical effect can be achieved to avoid repetition, which is not repeated here.
  • FIG. 8 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 800 includes but is not limited to: a radio frequency unit 801, a network module 802, an audio output unit 803, an input unit 804, a sensor 805, a display unit 806, a user input unit 807, an interface unit 808, a memory 809, a processor 810 and other components .
  • the terminal 800 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 810 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 8 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 804 may include a graphics processor (Graphics Processing Unit, GPU) 8041 and a microphone 8042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 806 may include a display panel 8061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 807 includes a touch panel 8071 and other input devices 8072 .
  • the touch panel 8071 is also called a touch screen.
  • the touch panel 8071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 8072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described herein again.
  • the radio frequency unit 801 receives the downlink data from the network side device, and then processes it to the processor 810; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 801 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • Memory 809 may be used to store software programs or instructions as well as various data.
  • the memory 809 may mainly include a storage program or instruction area and a storage data area, wherein the storage program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 809 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 810 may include one or more processing units; optionally, the processor 810 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 810.
  • a first card and a second card are inserted into the terminal 800, the terminal 800 accesses the first mobile network based on the first card, and the terminal 800 accesses the second mobile network based on the second card.
  • the processor 810 is configured to execute the first target service of the first card based on the first mobile network; during the execution of the first target service based on the first mobile network, trigger the second The second target service of the card is switched to the wireless local area network service based on the first mobile network.
  • the radio frequency unit 801 is configured to send a first handover request message to the first network side device through the second mobile network, wherein the first handover request message is used to indicate the second handover request message of the second card.
  • the processor 810 is further configured to trigger switching of the second target service to a wireless local area network service based on the first mobile network according to the first switching response message.
  • the radio frequency unit 801 is further configured to send a first measurement report to a second network-side device through the second mobile network; and receive a first measurement report issued by the second network-side device according to the first measurement report. switch command;
  • the processor 810 is further configured to trigger switching of the second target service to a wireless local area network service based on the first mobile network according to the first switching instruction.
  • the processor 810 is further configured to, when the signal strength of the second card is lower than the first threshold, and/or the signal quality of the second card is lower than the second threshold, trigger the The second target service is switched to the wireless local area network service based on the first mobile network.
  • the processor 810 is further configured to trigger switching of the second target service from a wireless local area network service based on the first mobile network to a wireless local area network service based on the second mobile network when at least one of the following is satisfied: business:
  • the first target service ends, or the first target service is not executed within a preset time
  • the signal strength of the second card is higher than the third threshold, and/or the signal quality of the second card is higher than the fourth threshold;
  • the signal strength of the first card is lower than the fifth threshold, and/or the signal quality of the second card is lower than the sixth threshold.
  • the radio frequency unit 801 is further configured to send a second handover request message to a third network-side device through the first mobile network, where the second handover request message is used to instruct the second target service to switching to a service based on the second mobile network; receiving a second switching response message returned by the third network side device;
  • the processor 810 is further configured to trigger switching of the second target service to a service based on the second mobile network according to the second handover response message.
  • the radio frequency unit 801 is further configured to send a second measurement report to a fourth network-side device through the first mobile network; and receive a second measurement report issued by the fourth network-side device according to the second measurement report. switch command;
  • the processor 810 is further configured to trigger switching of the second target service to a service based on the second mobile network according to the second switching instruction.
  • the terminal 800 provided in this embodiment of the present application can implement each process implemented by the method embodiments in FIG. 2 to FIG. 5 , and achieve the same technical effect. To avoid repetition, details are not described here.
  • the embodiments of the present application further provide a readable storage medium, the readable storage medium may be non-volatile or volatile, and a program or an instruction is stored on the readable storage medium, and the program or instruction is stored in the readable storage medium.
  • a readable storage medium may be non-volatile or volatile
  • a program or an instruction is stored on the readable storage medium, and the program or instruction is stored in the readable storage medium.
  • the processor is the processor in the terminal described in the foregoing embodiment.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction to implement the above service switching method
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run a network-side device program or instruction to implement the above service switching method
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • An embodiment of the present application further provides a computer program product, wherein the computer program product is stored in a non-transitory readable storage medium, and the computer program product is executed by at least one processor to implement the above service switching method
  • the computer program product is stored in a non-transitory readable storage medium, and the computer program product is executed by at least one processor to implement the above service switching method
  • the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, or a network device, etc.) execute the methods described in the various embodiments of this application.
  • a storage medium such as ROM/RAM, magnetic disk, CD-ROM

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  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande se rapporte au domaine technique des communications et concerne un procédé et un dispositif de transfert de service, ainsi qu'un terminal et un support de stockage lisible. Le procédé de transfert de service est exécuté par le terminal. Une première carte et une seconde carte sont insérées dans le terminal, le terminal accède à un premier réseau mobile d'après la première carte, puis le terminal accède à un second réseau mobile d'après la seconde carte. Le procédé consiste à : exécuter un premier service cible de la première carte d'après le premier réseau mobile; et pendant l'exécution du premier service cible effectuée d'après le premier réseau mobile, déclencher le transfert d'un second service cible de la seconde carte vers un service de réseau local sans fil basé sur le premier réseau mobile.
PCT/CN2022/079903 2021-03-15 2022-03-09 Procédé et dispositif de transfert de service, terminal et support de stockage lisible WO2022193999A1 (fr)

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