WO2025166785A1 - 无线通信方法、终端设备和核心网设备 - Google Patents
无线通信方法、终端设备和核心网设备Info
- Publication number
- WO2025166785A1 WO2025166785A1 PCT/CN2024/077060 CN2024077060W WO2025166785A1 WO 2025166785 A1 WO2025166785 A1 WO 2025166785A1 CN 2024077060 W CN2024077060 W CN 2024077060W WO 2025166785 A1 WO2025166785 A1 WO 2025166785A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- information
- terminal device
- network
- message
- network element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
Definitions
- the present application relates to the field of communication technology, and more specifically, to a wireless communication method, terminal equipment, and core network equipment.
- devices need to access multiple 3rd Generation Partnership Project (3GPP) networks simultaneously to ensure service continuity.
- 3GPP 3rd Generation Partnership Project
- a dual registration mechanism was introduced. However, this dual registration mechanism only works in specific scenarios and cannot support more general scenarios, such as devices accessing two networks simultaneously.
- the present application provides a wireless communication method, terminal equipment, and core network equipment.
- the following introduces various aspects involved in the present application.
- a wireless communication method including: a first terminal device receives a first message sent by a first network element of a core network, the first message includes first policy information, and the first policy information is used to determine one or more of the following information: access network information of the first terminal device; access network information of a second terminal device associated with the first terminal device.
- a wireless communication method including: a first network element of a core network sends a first message to a first terminal device, the first message includes first policy information, and the first policy information is used to determine one or more of the following information: access network information of the first terminal device; access network information of a second terminal device associated with the first terminal device.
- a wireless communication method including: a second network element of a core network receives a third message sent by a first network element of the core network, the third message is used to request first policy information, and the first policy information is used to determine one or more of the following information: access network information of a first terminal device; access network information of a second terminal device associated with the first terminal device.
- a terminal device in a fourth aspect, includes a first terminal device, and the terminal device includes: a receiving unit, used to receive a first message sent by a first network element of a core network, the first message containing first policy information, and the first policy information is used to determine one or more of the following information: access network information of the first terminal device; access network information of a second terminal device associated with the first terminal device.
- a core network device which is the first network element of the core network, and the core network device includes: a first sending unit, used to send a first message to a first terminal device, the first message includes first policy information, and the first policy information is used to determine one or more of the following information: access network information of the first terminal device; access network information of the second terminal device associated with the first terminal device.
- a core network device which is the second network element of the core network, and the core network device includes: a first receiving unit, used to receive a third message sent by the first network element of the core network, the third message is used to request first policy information, and the first policy information is used to determine one or more of the following information: access network information of the first terminal device; access network information of the second terminal device associated with the first terminal device.
- a terminal device comprising a processor, a memory, and a communication interface, wherein the memory is used to store one or more computer programs, and the processor is used to call the computer program in the memory so that the terminal device executes part or all of the steps in the method of the first aspect.
- a core network device comprising a processor, a memory, and a transceiver, wherein the memory is used to store one or more computer programs, and the processor is used to call the computer program in the memory so that the network device executes part or all of the steps in the method of the second aspect or the third aspect.
- an embodiment of the present application provides a communication system, which includes the above-mentioned terminal device and/or core network device.
- the system may also include other devices that interact with the terminal device or core network device in the solution provided in the embodiment of the present application.
- an embodiment of the present application provides a computer-readable storage medium, which stores a computer program, and the computer program enables a communication device (for example, a terminal device or a core network device) to execute some or all of the steps in the methods of the above aspects.
- a communication device for example, a terminal device or a core network device
- an embodiment of the present application provides a computer program product, wherein the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to enable a communication device (e.g., a terminal device or a core device) to
- a communication device e.g., a terminal device or a core device
- the computer program product may be a software installation package.
- an embodiment of the present application provides a chip, which includes a memory and a processor.
- the processor can call and run a computer program from the memory to implement some or all of the steps described in the methods of the above aspects.
- a first terminal device may receive a first message sent by a first network element of a core network, so as to determine access network information corresponding to the first terminal device and/or the second terminal device based on first policy information in the first message.
- the device may determine access networks corresponding to multiple associated terminal devices based on the first policy information, thereby helping to improve the gain of multiple access.
- FIG1 is a diagram illustrating an example of a system architecture of a wireless communication system to which an embodiment of the present application may be applied.
- FIG. 2 is a system architecture diagram of the fifth generation (5G) communication system.
- FIG3 is a schematic diagram of the dual registration process.
- FIG4 is a flow chart of a wireless communication method according to an embodiment of the present application.
- FIG5 is a flowchart of a possible implementation of the method shown in FIG4 .
- FIG6 is a flowchart of another possible implementation of the method shown in FIG4 .
- FIG7 is a schematic diagram of the structure of the terminal device provided in an embodiment of the present application.
- FIG8 is a schematic structural diagram of a core network device provided in an embodiment of the present application.
- FIG9 is a schematic structural diagram of another core network device provided in an embodiment of the present application.
- FIG10 is a schematic structural diagram of a communication device provided in an embodiment of the present application.
- FIG. 1 is a diagram illustrating an example of the system architecture of a wireless communication system 100 to which an embodiment of the present application may be applied.
- the wireless communication system 100 may include a network device 110 and a terminal device 120.
- the network device 110 may be a device that communicates with the terminal device 120.
- the network device 110 may provide network coverage for a specific geographical area and may communicate with the terminal device 120 located within the coverage area.
- the terminal device 120 may access a network (e.g., a wireless network) through the network device 110.
- the wireless communication system 100 may also include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
- the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: fifth-generation (5G) systems or new radio (NR), long-term evolution (LTE) systems, LTE frequency division duplex (FDD) systems, LTE time division duplex (TDD) systems, etc.
- 5G fifth-generation
- LTE long-term evolution
- FDD frequency division duplex
- TDD time division duplex
- the technical solutions provided by the present application can also be applied to future communication systems, such as sixth-generation mobile communication systems, satellite communication systems, etc.
- the terminal device in the embodiments of the present application may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile station (MS), mobile terminal (MT), remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user device.
- UE user equipment
- MS mobile station
- MT mobile terminal
- remote station remote terminal
- mobile device user terminal
- terminal wireless communication device
- user agent user agent
- the terminal device in the embodiments of the present application may be a device that provides voice and/or data connectivity to a user and can be used to connect people, objects, and machines, such as a handheld device or vehicle-mounted device with wireless connection capabilities.
- the terminal device in the embodiments of the present application can be a mobile phone, a tablet computer, a laptop computer, a PDA, a mobile internet device (MID), a wearable device, a virtual reality (VR) device, an augmented reality (AR) device, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical surgery, a wireless terminal in a smart grid, a wireless terminal in transportation safety, a wireless terminal in a smart city, a wireless terminal in a smart home, etc.
- the terminal device can be used to act as a base station.
- the terminal device can act as a dispatching entity that provides sidelink signals between terminal devices in vehicle-to-everything (V2X) or device-to-device (D2D) systems.
- V2X vehicle-to-everything
- D2D device-to-device
- cell phones and cars use sidelink signals to communicate with each other.
- Cell phones and smart home devices communicate with each other without having to relay the communication signals through a base station.
- the network device in the embodiment of the present application may be a device for communicating with a terminal device.
- Equipment or wireless access network equipment may be a base station.
- the base station may broadly cover various names as follows, or be replaced with the following names: NodeB, evolved NodeB (eNB), next generation NodeB (gNB), relay station, access point, transmission point (TRP), transmitting point (TP), home base station, network controller, access node, wireless node, access point (AP), transmission node, transceiver node, baseband unit (BBU), remote radio unit (RRU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), positioning node, etc.
- the base station may be a macro base station, a micro base station, a relay node, a donor node, or the like, or a combination thereof.
- Terminal devices can communicate with each other via sidelinks.
- Sidelink communication is also known as proximity services (ProSe) communication, unilateral communication, sidelink communication, or D2D communication.
- ProSe proximity services
- FIG2 is a system architecture diagram of a 5G network applicable to an embodiment of the present application.
- the 5G system or NR network architecture released by the 3GPP standard group includes: a terminal device (also known as a UE) 201, an access network device 202 supporting 3GPP technology (including a radio access network (RAN) or access network (AN)), an access and mobility management function (AMF) network element 203, a session management function (SMF) network element 204, and a user plane function (UE) network element 205.
- RAN radio access network
- AN access network
- AMF access and mobility management function
- SMF session management function
- UE user plane function
- UPF policy control function
- PCF policy control function
- AF application function
- DN data network
- NSSF network slice selection function
- AUSF authentication service function
- UDM unified data management function
- the network architecture shown in Figure 2 does not constitute a limitation on the 5G network architecture.
- the 5G network architecture may include more or fewer network elements than shown, or may combine certain network elements.
- the AN or RAN is represented in the form of (R)AN.
- the terminal device 201 can be any terminal device in FIG1 , and will not be described in detail here.
- Access network equipment 202 is the device that connects terminal devices to the network architecture wirelessly. It is primarily responsible for radio resource management, quality of service (QoS) management, data compression and encryption, etc. on the air interface side. Examples include NodeB, eNodeB, base stations in 5G mobile communication systems or NR communication systems, and base stations in future mobile communication systems.
- QoS quality of service
- UPF network element 205, AMF network element 203, SMF network element 204, and PCF network element 206 are network elements of the 3GPP core network (referred to as core network elements).
- UPF network element 205 can be called a user plane function network element, which is mainly responsible for the transmission of user data.
- Other network elements can be called control plane function network elements, which are mainly responsible for authentication, authorization, registration management, session management, mobility management, and policy control to ensure reliable and stable transmission of user data.
- the UPF network element 205 can be used to forward and receive data from the terminal.
- the UPF network element can receive service data from the data network and transmit it to the terminal through the access network device; the UPF network element can also receive user data from the terminal through the access network device and forward it to the data network.
- the transmission resources allocated and scheduled by the UPF network element to the terminal are managed and controlled by the SMF network element.
- the bearer between the terminal and the UPF network element may include: a user plane connection between the UPF network element and the access network device, and the establishment of a channel between the access network device and the terminal.
- the user plane connection is a quality of service (QoS) flow that can be established between the UPF network element and the access network device to transmit data.
- QoS quality of service
- the AMF network element 203 can be used to manage terminal access to the core network, such as terminal location update, network registration, access control, terminal mobility management, terminal attachment and detachment, etc.
- the AMF network element can also provide control plane storage resources for the session when providing services for the terminal session to store the session identifier, the SMF network element identifier associated with the session identifier, etc.
- the PCF network element 206 (or simply "PCF") is used to provide policies, such as QoS policy and slice selection policy, to the AMF network element 203 and the SMF network element 204.
- the PCF is responsible for formulating policies related to mobility management, session management, and billing for terminal devices.
- the AF network element 209 (or simply "AF") is used to interact with the 3GPP core network elements to support application-affected data routing, access network exposure functions, and interact with the PCF network elements for policy control.
- the DN 208 provides data services to users on networks such as IP Multimedia Services (IMS) and the Internet.
- the DN 208 can host multiple application servers (ASs) offering different application services, such as carrier services, Internet access, and third-party services. These application servers implement the functions of AF network elements.
- ASs application servers
- NSSF 211 is used for network slice selection and supports the following functions: selecting the set of network slice instances to serve the UE; determining the allowed network slice selection assistance information (NSSAI) and, when necessary, determining the mapping to the contracted single-network slice selection assistance information (S-NSSAI); determining the configured NSSAI and, when necessary, determining the mapping to the contracted S-NSSAI; determining the set of AMFs that may be used to query the UE, or determining a list of candidate AMFs based on the configuration.
- NSSAI allowed network slice selection assistance information
- S-NSSAI single-network slice selection assistance information
- AUSF 210 is used to receive the request from AMF 203 to authenticate the terminal, request the key from UDM 207, and then forward the issued key to AMF 203 for authentication processing.
- UDM 207 includes functions such as the generation and storage of user contract data, management of authentication data, and supports interaction with external third-party servers.
- the terminal device establishes an access layer connection with the AN through the Uu interface, exchanging access layer messages and wireless data transmission.
- the terminal device also establishes a non-access stratum (NAS) connection with the AMF network element through the N1 interface, exchanging NAS messages.
- NAS non-access stratum
- the AMF network element is also responsible for forwarding session management-related messages between the terminal device and the SMF network element.
- the UPF network element transmits data with the external data network through the N6 interface and with the AN through the N3 interface.
- each network element in Figure 2 can be a network element in a hardware device, a software function running on dedicated hardware, or a virtualized function instantiated on a platform (e.g., a cloud platform).
- a platform e.g., a cloud platform.
- the network architecture shown in the above figure is only an example of the network elements included in the entire network architecture. In the embodiments of the present application, the network elements included in the entire network architecture are not limited.
- a terminal device may need to access multiple 3GPP networks simultaneously, switching and splitting traffic between the two access networks.
- a terminal device can access both a 4G network and a 5G network.
- a terminal device can access two 5G networks of public land mobile networks (PLMNs) simultaneously.
- PLMNs public land mobile networks
- the basic requirement in this scenario is to allow the terminal device to register in the two access networks at the same time and maintain a dual registration state.
- 5G and LTE system compatibility technologies provide support. Specifically, a single terminal device can be registered in both 5G and LTE access networks simultaneously, allowing for mobility-induced network switching.
- the dual registration process is schematically illustrated below with reference to Figure 3.
- FIG 3 illustrates the interaction of multiple devices.
- these devices also include the evolved universal mobile telecommunications system (UMTS) terrestrial radio access network (E-UTRAN), the next generation RAN (NG-RAN), the evolved packet core (EPC), the packet data network gateway-control plane (PGW-C), and the home subscriber server (HSS).
- UMTS evolved universal mobile telecommunications system
- NG-RAN next generation RAN
- EPC evolved packet core
- PGW-C packet data network gateway-control plane
- HSS home subscriber server
- a UE attaches and registers to the EPC (LTE) access network.
- the EPC assigns the UE a 4G globally unique temporary UE identity (GUTI), or 4G-GUTI. This is a temporary UE ID assigned by the MME and can be used to identify the MME and UE.
- GUI globally unique temporary UE identity
- step S302 the UE sends a registration request to the NG-RAN.
- step S303 the NG-RAN performs AMF selection.
- step S305 registration procedure.
- the UE accesses the 5G network and sends a registration request to the 5G core network.
- the UE uses the 5G-GUTI converted from the 4G-GUTI as its temporary identifier and reports it to the 5G core network.
- step S306 the AMF registers the UE information with the UDM+HSS and notifies the network element not to cancel the UE's LTE registration.
- the UE's LTE registration is implemented through the MME.
- the UE completes the registration process in the 5G access network.
- the UE receives the registration accept message sent by the new AMF; in step S390, the UE sends a registration completion message to the AMF. complete) information.
- step S310 the UE requests a protocol data unit (PDU) session establishment procedure to establish a PDU session (5G access network).
- PDU protocol data unit
- step S311 the PGW-C+SMF network element initiates the release of the transferred packet data network (PDN) connection (PGW-C+SMF initiates release of transferred PDN connection) to release the PDN connection (LTE access network).
- PDN packet data network
- the process shown in Figure 3 applies to dual registration mode for a single UE, and the core network requires the UE to report associated access network information during registration to interact with other network elements.
- the GUTI information reported by the UE can include relevant information about the MME.
- the network element that receives the registration information can simultaneously obtain information about both access networks when interacting with the unified management network element (UDM+HSS).
- UDM+HSS unified management network element
- some operators recommend using two subscriber identity modules (SIM) cards to access two networks, which can also be regarded as two associated UEs accessing two networks at the same time.
- SIM subscriber identity modules
- Multi-USIM Multi-Universal Subscriber Identity Module
- a single mobile terminal can be equipped with multiple (usually two) USIM cards.
- the two USIM cards can independently register with the access network, establish corresponding sessions, and conduct independent services. It should be noted that there is no association between the two USIM cards; from the network's perspective, they appear to be two independent UEs.
- the dual UEs in the embodiments of the present application refer to two UEs corresponding to the same device, which can also be referred to as two UEs of a dual-steer device.
- the device can also be referred to as a dual-USIM card UE.
- the USIM card can also be replaced by a SIM card or a dual subscription permanent identifier (SUPI).
- the two USIM cards can access the same PLMN but with different access technologies.
- one of the two USIM cards uses a 4G network and the other uses a 5G network.
- one of the two USIM cards uses a ground station for access and the other uses a satellite for access.
- the access methods of the two USIM cards are the same (for example, both use 5G network access), but they are accessed through different PLMNs.
- both USIM cards access a 5G base station, but one uses a mobile network and the other uses a Unicom network.
- an embodiment of the present application provides a wireless communication method.
- the first terminal device can determine the access network information of the first terminal device and/or the second terminal device associated with the first terminal device based on the first policy information sent by the first network element of the core network, which helps the first terminal device and the second terminal device to determine the corresponding access networks respectively for network selection and registration.
- Figure 4 is introduced from the perspective of the interaction between the first terminal device and the first network element of the core network.
- the first terminal device may be one of the multiple terminal devices associated with the terminal device.
- the terminal device may be the dual UE device mentioned above, or a multi-card device with two or more USIM cards or similar identifiers.
- the first terminal device may be one of multiple mutually associated terminal devices.
- multiple terminal devices associated with the same device may each have different identifiers, and the first terminal device is one of the multiple terminal devices.
- the terminal device has multiple SIM cards
- the first terminal device is a terminal device represented by one of the SIM cards.
- the terminal device including the first terminal device is a dual SIM card device, one of the dual SIM cards corresponds to the first terminal device, and the other card corresponds to the second terminal device.
- the first terminal device is associated with the second terminal device.
- a terminal device including a first terminal device may be provided with multiple USIM cards, and the terminal device may access multiple access networks through different USIM cards in the multiple USIM cards.
- the terminal device may be provided with USIM1 and USIM2, and accordingly, access the first access network through USIM1 and access the second access network through USIM2.
- the first network element of the core network is a registration management network element or a mobility management network element in the core network.
- the first network element may be an AMF or MME.
- the first network element may also be another core network element in a future communication system with similar functions to the AMF or MME.
- the first message is a message sent by the first network element to the first terminal device via a corresponding interface.
- the first network element is an AMF
- the first message can be sent to the first terminal device via an N1 interface.
- the first message includes first policy information, and the first policy information is used to determine one or more of the following information: access network information of the first terminal device; access network information of the second terminal device associated with the first terminal device.
- the first policy information is used to determine the access network information of the first terminal device. That is, the first policy information is used to indicate information about multiple access networks that the first terminal device can select.
- a second terminal device associated with the first terminal device can receive corresponding policy information directly issued by the core network, and this policy information is used to determine the access network information of the second terminal device.
- the first policy information is used to determine access network information for the first and second terminal devices.
- the first policy information indicates information about multiple access networks that the first and second terminal devices can select.
- the first terminal device after receiving the first policy information, the first terminal device can synchronize and update its policy with the second terminal device.
- the first terminal device after receiving the first policy information, the first terminal device locally synchronizes and updates the policy with the second terminal device, and synchronizes the policy related to the second terminal device to the second terminal device.
- the first terminal device after receiving the first policy information, the first terminal device synchronizes and updates the policy locally with the second terminal device, and synchronizes all policies to the second terminal device so that the second terminal device selects a different network from the first terminal device.
- the second terminal device associated with the first terminal device may be a terminal device corresponding to another SIM card or USIM card on the terminal device where the SIM card or USIM card corresponding to the first terminal device is located.
- the first terminal device and the second terminal device may be terminal devices corresponding to different SIM cards or USIM cards on the same terminal device.
- the second terminal device can be one or more terminal devices.
- the second terminal device is one terminal device.
- the second terminal device is multiple terminal devices.
- the first policy information is used to determine the access network information of the second terminal device.
- the first policy information indicates information about multiple access networks available to the second terminal device.
- the first terminal device also needs to synchronize and update policies with the second terminal device.
- the first terminal device can continue to use the access network currently used to send the first message, while the second terminal device selects and registers among the multiple available access networks.
- a separate management function network element of a terminal device can use and manage the policies of the first and second terminal devices, without requiring specific synchronization to each terminal device.
- the management function network element corresponding to the terminal device can centrally manage the network selection of the first and second terminal devices. Furthermore, this function can be implemented by specific devices.
- the multiple access networks may be multiple access networks currently selectable by the first terminal device or the second terminal device, or may be multiple access networks currently or subsequently selectable by the first terminal device or the second terminal device.
- the one or more access networks may be one or more access networks that can be searched in a certain area.
- the multiple access networks corresponding to the first terminal device and the second terminal device respectively at least some of the access networks are different, so that the first terminal device and the second terminal device can respectively select different access networks and register.
- the access network information may include one or more of the following information: access network type (AN type), radio access technology (RAT type), and PLMN information.
- AN type access network type
- RAT type radio access technology
- PLMN information PLMN information.
- the access network may also be referred to as an access network.
- the access network type may include a 3GPP access network and a non-3GPP (non-3GPP) access network, which is not limited herein.
- 3GPP access networks may include access networks in 4G networks, access networks in 5G networks, and access networks in non-terrestrial networks (NTNs).
- NTNs non-terrestrial networks
- Non-3GPP access networks include, for example, wireless fidelity (Wi-Fi).
- the access network can be related to geostationary earth orbit (GEO) satellites and ground networks.
- GEO geostationary earth orbit
- a terminal device can access the 3GPP network based on the NR-GEO access method.
- the terminal device can also access the 3GPP network based on the NR-low earth orbit (LEO) access method or the NR-medium earth orbit (MEO) access method.
- LEO NR-low earth orbit
- MEO NR-medium earth orbit
- the type of radio access technology may include one or more of the following: satellite-based RAT, NR RAT, Wi-Fi RAT, and E-UTRAN RAT.
- satellite-based RAT is NR-GEO RAT.
- the PLMN information may include a PLMN ID, such as PLMN A, PLMN B, or PLMN C.
- the first policy information may directly specify the access networks of the first terminal device and the second terminal device.
- the priority information includes a priority level corresponding to an access network or information associated with the priority level.
- the priority level corresponding to an access network may be a priority level among multiple currently selectable access networks, a priority level among multiple currently or subsequently selectable access networks, or a priority level among all currently selectable access networks.
- the correspondence between the access network information and the priority information is one-to-one.
- the correspondence between access network information and priority information is not one-to-one.
- one priority may correspond to multiple access networks.
- one access network may correspond to different priorities under different conditions.
- the correspondence between the access network information indicated by the first policy information and the priority information can be indicated by a table.
- Table 1 is a possible implementation. It should be understood that the table in the embodiment of the present application is only an example and does not constitute a limitation.
- the correspondence between the access network information and the priority information is a correspondence under a first condition. That is, the correspondence between the access network information and the priority information is determined based on a certain condition. When the information under the first condition changes, the correspondence between the access network information and the priority information may also change.
- the first policy information is further used to indicate a first condition, so that the first terminal device or the second terminal device selects an access network with a higher priority based on the current conditions. For example, if the first terminal device determines based on the first policy information that the network to be accessed under the current conditions is not the network with the highest priority, the first terminal device may disconnect from the current network and then access the network with the highest priority.
- the first condition is associated with area information (location) and/or access network information.
- the first policy information may indicate priority information corresponding to different area information conditions.
- the area information may be specific area information or associated information of area information.
- the specific area information may be, for example, specific geographic location information, tracking area (TA) information, or cell information.
- the first policy information may indicate priority information corresponding to different access network information conditions.
- the access network information may include information about the current access network of the first terminal device and/or the second terminal device, and may also include information about an access network different from the current access network of the first terminal device and/or the second terminal device.
- the first condition in the multi-access policy corresponding to the first terminal device is related to the current access network of the first terminal device.
- a network can be selected according to the priority of other networks.
- the first condition in the multi-access policy corresponding to the second terminal device is related to the current access network of the second terminal device.
- the first policy information may indicate priority information corresponding to the current other access network (other AN).
- the access network information may also include information about the current other access network to facilitate the terminal device's selection of a different access network.
- the current other access network may be the current access network of another terminal device associated with the terminal device selecting the network, or may be information about another access network different from the current or subsequent network of the terminal device selecting the network.
- the first condition in the multi-access policy corresponding to the first terminal device is related to the current access network of the second terminal device.
- the first condition in the multi-access policy corresponding to the second terminal device is related to the current access network of the first terminal device.
- the second terminal device can select and register an access network based on the priority information under the selected network conditions.
- the first policy information is associated with information of the other access network.
- possible implementations of the first policy information are shown in Table 3.
- the first policy information in the first message can be used to determine the initial policy or to update the policy, which is not limited here.
- the second policy information that the second terminal device may receive can also be used to determine the initial policy or to update the policy.
- the first policy information received by the first terminal device or the second terminal device can be the initial policy information or the policy information updated by the policy management network element.
- the first network element may send the first message based on a request message from the first terminal device.
- the request message may be a second message.
- the first terminal device sends the second message to the first network element before receiving the first message. That is, the first network element receives the second message from the first terminal device before sending the first message to the first terminal device.
- the second message is used by the first terminal device to send a request for a multi-access service to the first network element.
- the second message includes first information, where the first information is used to request service transmission through multiple access networks.
- the second message may be a registration request message.
- the first terminal device may send a registration request to the first network element via the second message.
- the registration request may include the first information to request a multi-access service.
- the second message may be a multi-access service request message, for subscribing to a multi-access policy from the policy management network element via the first network element.
- the first message may be indication information requesting the multi-access service, and thus may also be referred to as multi-access indication information or "dual steer" indication information, for requesting the multi-access service.
- the first information may be displayed indication information, or may be indicated in an implicit form.
- the first message when the first message includes information about a second terminal device associated with the first terminal device, it may indicate a request for a multi-access service.
- the first message may include the identifier of the second terminal device associated with the first terminal device.
- the first network element may deem that the first terminal device is sending multi-access indication information.
- the first message may include the ID information of the second terminal device to provide an implicit indication.
- the first network element may use the first information to perform an authorization check.
- the first network element may query the UDM or HSS for corresponding multi-access subscription information.
- the first network element may also obtain the ID information of the second terminal device from the subscription information of the UDM or HSS.
- the first network element when it sends the first policy information to the first terminal device, it can be sent through a feedback message of the second message, or through a special downlink message.
- the first network element can send the first message to the first terminal device by feedback registration/service request response.
- the first network element can send the first message through a special downlink message.
- the AMF first network element
- DL NAS Transfer downlink non-access layer transmission
- the first terminal device can synchronize and update the multi-access policy with the second terminal device.
- the first terminal device can send second policy information to the second terminal device, and the second policy information is used to determine the access network information of the second terminal device.
- the second policy information may also be directly sent by the core network to the second terminal device.
- the second policy information may be exactly the same as the content in the first policy information (including policy information of the first terminal device and the second terminal device), or it may only include policy information related to the second terminal device.
- the second policy information is used to determine the access network information of the second terminal device. Similar to the first policy information, the second policy information can also indicate the correspondence between the access network information and the priority information and the first condition, which will not be repeated here.
- the first terminal device and the second terminal device can For example, the first terminal device or the second terminal device may need to disconnect from the current access network.
- the first terminal device may select and register to an access network according to the first policy information.
- the first terminal device may select a network according to the first policy information and re-access (register) to the selected access network.
- the second terminal device may select and register to the access network according to the second policy information.
- the second terminal device may select a network according to the second policy information and re-access (register) to the selected access network.
- the first terminal device and the second terminal device select a network and register according to the issued multi-access policy. If the current access network needs to be disconnected, the first terminal device and the second terminal device can reselect and access a new network according to the policy.
- the first terminal device and the second terminal device can select based on the priority of the access network under current conditions and the access network that can be currently searched.
- the current condition can be the access network and/or current location information of the second terminal device.
- the first network element can interact with the policy management network element in the core network to obtain the first policy information.
- the first network element can determine the first policy information through information sent by the policy management network element.
- the policy management network element may be represented as a second network element in the core network.
- the second network element may be a PCF.
- the second network element may also be another core network element in a future communication system with similar functionality to the PCF.
- the first network element sends a third message to the second network element, where the third message is used to request the first policy information.
- the third message is used to send a policy acquisition request to the second network element and, therefore, may also be referred to as a subscription request.
- the second network element After receiving the third message, the second network element sends a fourth message to the first network element, where the fourth message includes the first policy information.
- the third message includes access network information of the first terminal device.
- the access network information of the first terminal device may include an access network type, a RAT type, and/or a current serving PLMN.
- the third message may further include information about a second terminal device associated with the first terminal device.
- the information about the second terminal device associated with the first terminal device may include ID information of the second terminal device.
- the policy information sent by the second network element to the first network element may be determined based on the access network information and/or location information of the first terminal device.
- the first policy information may be determined based on the access network information and location information of the first terminal device.
- the access network information and location information of the first terminal device can be carried in the third message.
- the second network element may obtain the access network information of the first terminal device from other network elements of the core network.
- the policy information is sent to the requesting party, that is, the first terminal device sending the request.
- the multi-access policy of the second terminal device needs to be determined by synchronization with the first terminal device.
- multi-access policy synchronization is required within the terminal device.
- the terminal device side needs to support interaction or information sharing between two local USIM cards.
- the core network determines the network selection policy/rules for the first terminal device and/or the second terminal device, i.e., the first policy information, based on the terminal device's subscription information and current access network information.
- the core network sends the first policy information to the first terminal device, which synchronizes it to the second terminal device, thereby triggering the registration of the first terminal device and/or the second terminal device in the designated access network or the selected access network.
- the terminal device sends multi-access indication information to the core network, and the core network feeds back policy information related to multi-access to the terminal device.
- the policy information is used to instruct multiple terminal devices associated with the multi-access service to select and register for access networks.
- the policy information may include information such as the access network type, PLMN, RAT, and the corresponding priority of the selected network, and may also include priority information when another access network has been selected at a different location.
- the registration management network element after the registration management network element receives the multi-access indication information of the terminal device, it requests the policy management network element to obtain relevant policies.
- the policy management network element can determine the multi-access policy based on the current terminal device's location information and the current access network information, and feed back the policy information of the two associated terminal devices to the registration management network element.
- the first terminal device can be supported to send an indication to the network to indicate that it currently supports multi-access services or requests multi-access services, thereby triggering policy delivery. Furthermore, the first terminal device and the second terminal device can select and register access networks based on corresponding policies and conditions.
- policy information is delivered to the executors, namely the first and second terminal devices performing network selection/registration.
- the multi-access policy for the second terminal device is delivered directly by the core network, eliminating the need for internal policy synchronization on the terminal device side, resulting in minimal changes.
- the core network's processing logic needs to be enhanced to deliver the two policies separately to the corresponding terminal devices.
- the core network when the first terminal device registers or initiates a multi-access service request, the core network The network selection policy/rules of the first terminal device and/or the second terminal device are determined by the information and the current access network information, and are sent to the first terminal device and/or the second terminal device, thereby triggering the registration of the first terminal device and/or the second terminal device in the designated or selected access network.
- the first terminal device sends multi-access indication information to the core network, and the core network feeds back policy information related to multi-access to the first terminal device and the second terminal device respectively.
- the registration management network element After receiving the request from the first terminal device, the registration management network element requests the policy information of the second terminal device from the policy management network element based on the information of the first terminal device and the associated second terminal device. After receiving the request, the policy management network element determines the policy information of the second terminal device and sends it to the second terminal device through the mobility management network element.
- the core network side after receiving the request information of the first terminal device, the core network side can trigger the policy information of the second terminal device through various implementation methods.
- the following describes in detail various policy request and delivery methods.
- the registration management network element or mobility management network element corresponding to the first terminal device and the second terminal device may be the same or different.
- the network element is the first network element.
- the registration management network element or mobility management network element is different, the first terminal device corresponds to the first network element, and the second terminal device corresponds to the third network element in the core network.
- the third network element may be an AMF or MME, or may be another core network element with similar functions to the AMF or MME in a future communication system.
- the first network element is AMF1 and the third network element is AMF2.
- the policy management network element that formulates a multi-access policy for the first terminal device and the second terminal device can be the same or different.
- the network element that formulates the policy is the second network element.
- the first terminal device corresponds to the second network element
- the second terminal device corresponds to a fourth network element in the core network.
- the fourth network element may be a PCF, or may be another core network element with similar functions to the PCF in a future communication system.
- the first network element may send the fifth message to the third network element.
- sending the fifth message may be implemented within the network element.
- the fifth message may also be called a multiple access request message.
- the fifth message may include one or more of the following: first information for requesting service transmission to the terminal device through multiple access networks; and an identifier of the second terminal device.
- the fifth message may include ID information of the second terminal device and multi-access indication information.
- the third network element may send a sixth message to the second network element.
- the sixth message is used to request the second policy information and may therefore also be referred to as a subscription request.
- the second policy information is used to determine the access network information of the second terminal device.
- the access network information of the first terminal device in the third message and the access network information of the second terminal device in the sixth message are both the current access network information of the terminal devices.
- the first terminal device or the second terminal device receives the policy information, it can determine the information of one or more selectable access networks based on the relevant policy information, select and register them.
- the first network element when the first network element and the third network element are the same, after receiving the registration request or multi-access request of the first terminal device, the first network element not only requests the policy of the first terminal device from the second network element, but also requests the policy of the second terminal device from the second network element or the fourth network element.
- the first network element may send a sixth message to the fourth network element.
- Detailed description of the sixth message is omitted here.
- the second network element or the fourth network element may send a seventh message to the first network element or the third network element.
- the seventh message includes the second policy information.
- the second network element may send the seventh message to the first network element or the third network element.
- the first network element may receive the seventh message sent by the fourth network element.
- the second network element receives the third message from the first network element and feeds back the first policy information to the first network element; the fourth network element receives the sixth message from the third network element and feeds back the second policy information to the third network element.
- the first network element sends the first policy information to the first terminal device.
- the third network element sends the second policy information to the second terminal device.
- the third network element can send the second policy information via a dedicated downlink message.
- the first network element or the third network element may send an eighth message to the second terminal device.
- the eighth message includes the second policy information. For example, when the first network element and the third network element are the same, the first network element sends the eighth message.
- the second network element may send a multiple access request to the fourth network element.
- the second network element sends the ninth message to the fourth network element.
- the fifth message may be sent internally within the network element.
- the ninth message may also be called a multiple access request message.
- the ninth message includes one or more of the following information: first information for requesting service transmission to the terminal device through multiple access networks; and second information indicating an identifier of the terminal device.
- the second policy information can be triggered in a variety of ways.
- Method 1 triggered by the ninth message, that is, the second network element sends a request message to the fourth network element or is triggered by the internal implementation of the PCF, thereby triggering the fourth network element to send the second policy information to the third network element.
- Method 2 triggered by the fifth and sixth messages, thereby triggering the fourth network element to send the second policy information to the third network element.
- Method 3 The first network element is the same as the third network element, and is triggered by the sixth message, thereby triggering the fourth network element to send the second policy information to the third network element.
- Figure 5 is a flowchart illustrating a possible implementation of an embodiment of the present application.
- the first terminal device is UE1
- the second terminal device is UE2
- the first network element of the core network is AMF1
- the second network element is PCF1
- the third network element is AMF2.
- UE1 and UE2 are associated with each other.
- RAN1 and RAN2 are the access networks corresponding to UE1 and UE2, respectively.
- step S510 UE1 sends a registration request/multi-access service request, i.e., a second message, to AMF1 .
- the second message may include multi-access indication information.
- step S520 AMF1 interacts with UDM to complete the authorization/contract check.
- step S530 AMF1 sends a multi-access policy acquisition request to PCF1, that is, a third message including UE1 access network information.
- step S540 PCF1 feeds back a multi-access policy, i.e., a fourth message, to AMF1.
- the multi-access policy includes the first policy information of UE1 and the second policy information of UE2.
- the multi-access policy information may also be referred to as the first policy information.
- step S550 AMF1 sends a registration response/multi-access service response to UE1, that is, a first message including a multi-access policy.
- step S560 UE1 and UE2 perform multi-access policy synchronization.
- step S570a UE1 performs a network selection and registration process.
- step S570b UE2 performs a network selection and registration process.
- Figure 6 is a flow chart illustrating another possible implementation of an embodiment of the present application.
- the first terminal device is UE1
- the second terminal device is UE2
- the first network element of the core network is AMF1
- the second network element is PCF1
- the third network element is AMF2
- the fourth network element is PCF2.
- UE1 and UE2 are associated with each other.
- RAN1 and RAN2 are the access networks corresponding to UE1 and UE2, respectively.
- step S601 UE1 sends a registration request/multi-access service request, i.e., a second message, to AMF1.
- the second message may include multi-access indication information.
- step S602 AMF1 interacts with UDM to complete the authorization/contract check.
- step S603 AMF1 sends a multi-access policy acquisition request to PCF1, that is, a third message including UE1 access network information.
- step S604 PCF1 sends a multiple access request to PCF2, that is, a ninth message including UE2 ID and multiple access indication information.
- step S605 PCF1 feeds back the multi-access policy to AMF1, that is, the fourth message including the UE1 policy (first policy information).
- step S606 AMF1 sends a registration response/multi-access service response to UE1, that is, a first message including the first policy information.
- step S607 AMF1 sends a multiple access request to AMF2, that is, a fifth message including UE2ID and multiple access indication information.
- step S608 AMF2 sends a multi-access policy acquisition request to PCF2, that is, a sixth message including UE2 access network information.
- step S609 PCF2 feeds back the multi-access policy to AMF2, that is, the seventh message including the UE2 policy (second policy information).
- step S610 AMF2 sends a registration response/multi-access service response to UE2, that is, an eighth message including the second policy information.
- step S611a UE1 performs a network selection and registration process.
- step S611b UE2 performs a network selection and registration process.
- FIG7 is a schematic diagram of a terminal device according to an embodiment of the present application.
- the terminal device 700 shown in FIG7 includes a first terminal device.
- the terminal device 700 includes a receiving unit 710 .
- the receiving unit 710 can be used to receive a first message sent by a first network element of the core network, where the first message contains first policy information, and the first policy information is used to determine one or more of the following information: access network information of the first terminal device; access network information of the second terminal device associated with the first terminal device.
- the first policy information is used to indicate a correspondence between access network information and priority information.
- the corresponding relationship is a corresponding relationship under the first condition
- the first policy information is further used to indicate the first condition.
- the first condition is associated with area information and/or access network information.
- the access network information includes one or more of the following information: access network type, type of wireless access technology, and PLMN information.
- the terminal device 700 also includes a first sending unit, which can be used to send a second message to the first network element before receiving the first message sent by the first network element, where the second message includes first information, and the first information is used to request service transmission through multiple access networks.
- a first sending unit which can be used to send a second message to the first network element before receiving the first message sent by the first network element, where the second message includes first information, and the first information is used to request service transmission through multiple access networks.
- the first information includes an identifier of the second terminal device.
- the second message is a registration request message.
- the terminal device 700 further includes a second sending unit, which can be used to send second policy information to the second terminal device, where the second policy information is used to determine the access network information of the second terminal device.
- a second sending unit which can be used to send second policy information to the second terminal device, where the second policy information is used to determine the access network information of the second terminal device.
- the first network element is AMF or MME.
- FIG 8 is a schematic diagram of a core network device according to an embodiment of the present application.
- the core network device 800 shown in Figure 8 is a first network element of the core network.
- the core network device 800 includes a first sending unit 810 .
- the first sending unit 810 can be used to send a first message to a first terminal device, where the first message includes first policy information, and the first policy information is used to determine one or more of the following information: access network information of the first terminal device; access network information of a second terminal device associated with the first terminal device.
- the first policy information is used to indicate a correspondence between access network information and priority information.
- the access network information includes one or more of the following information: access network type, type of wireless access technology, and PLMN information.
- the core network device 800 also includes a first receiving unit, which can be used to receive a second message sent by the first terminal device before sending the first message to the first terminal device, where the second message contains first information, and the first information is used to request service transmission through multiple access networks.
- a first receiving unit which can be used to receive a second message sent by the first terminal device before sending the first message to the first terminal device, where the second message contains first information, and the first information is used to request service transmission through multiple access networks.
- the first information includes an identifier of the second terminal device.
- the second message is a registration request message.
- the core network device 800 further includes a second sending unit, which is configured to send a third message to the second network element, where the third message is used to request the first policy information.
- a second sending unit which is configured to send a third message to the second network element, where the third message is used to request the first policy information.
- the core network device 800 further includes a second receiving unit, configured to receive a fourth message sent by the second network element, where the fourth message includes the first policy information.
- the third message includes access network information of the first terminal device.
- the second network element is a PCF.
- the core network device 800 also includes a third sending unit, which can be used to send a fifth message to the third network element, and the fifth message includes one or more of the following: first information for requesting service transmission to the terminal device through multiple access networks; an identifier of the second terminal device.
- the third network element is AMF or MME.
- the core network device 800 further includes a third receiving unit, which is configured to receive a seventh message sent by the fourth network element, where the seventh message includes the second policy information.
- the core network device 800 further includes a fifth sending unit, which can be used to send an eighth message to the second terminal device, where the eighth message includes the second policy information.
- a fifth sending unit which can be used to send an eighth message to the second terminal device, where the eighth message includes the second policy information.
- the sixth message includes access network information of the second terminal device.
- the first network element is AMF or MME.
- the first receiving unit 910 can be used to receive a third message sent by the first network element of the core network, where the third message is used to request first policy information, and the first policy information is used to determine one or more of the following information: access network information of the first terminal device; access network information of the second terminal device associated with the first terminal device.
- the core network device 900 further includes a first sending unit, which can be used to send a fourth message to the first network element, where the fourth message includes the first policy information.
- a first sending unit which can be used to send a fourth message to the first network element, where the fourth message includes the first policy information.
- the first policy information is used to indicate a correspondence between access network information and priority information.
- the corresponding relationship is a corresponding relationship under a first condition
- the first policy information is further used to indicate the first condition
- the first condition is associated with area information and/or access network information.
- the core network device 900 further includes a second sending unit, which can be used to send a seventh message to the first network element or the third network element, where the seventh message includes the second policy information.
- a second sending unit which can be used to send a seventh message to the first network element or the third network element, where the seventh message includes the second policy information.
- the sixth message includes access network information of the second terminal device.
- the third network element is AMF or MME.
- the core network device 900 also includes a third sending unit, which can be used to send a ninth message to the fourth network element, and the ninth message includes one or more of the following information: first information for requesting service transmission to the terminal device through multiple access networks; an identifier of the second terminal device.
- the fourth network element is a PCF.
- the first network element is AMF or MME.
- the device 1000 may include one or more processors 1010.
- the processor 1010 may support the device 1000 to implement the method described in the above method embodiment.
- the processor 1010 may be a general-purpose processor or a special-purpose processor.
- the processor may be a central processing unit (CPU).
- the processor may be another general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
- DSP digital signal processor
- ASIC application-specific integrated circuit
- FPGA field programmable gate array
- the general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
- the present application also provides a computer-readable storage medium for storing a program.
- the computer-readable storage medium can be applied to a terminal or network device provided in the present application, and the program enables a computer to execute the method performed by the terminal or network device in each embodiment of the present application.
- the term "corresponding" may indicate a direct or indirect correspondence between the two, or an association relationship between the two, or a relationship between indication and indication, configuration and configuration, etc.
- the “protocol” may refer to a standard protocol in the communications field, for example, it may include an LTE protocol, an NR protocol, and related protocols used in future communication systems, and the present application does not limit this.
- the term "and/or” is simply a description of the association relationship between related objects, indicating that three relationships can exist.
- a and/or B can represent: A exists alone, A and B exist at the same time, and B exists alone.
- the character "/" in this document generally indicates that the related objects are in an "or” relationship.
- the units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- all or part of the embodiments can be implemented by software, hardware, firmware or any combination thereof.
- all or part of the embodiments can be implemented in the form of a computer program product.
- the computer program product includes one or more computer instructions.
- the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
- the computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium.
- the computer instructions can be transmitted from one website, computer, server or data center to another website, computer, server or data center by wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means.
- the computer-readable storage medium can be any available medium that can be read by a computer or a data storage device such as a server or data center that includes one or more available media integrated.
- the available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a digital versatile disc (DVD)), or a semiconductor medium (e.g., a solid state disk (SSD)), etc.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
提供了一种无线通信方法、终端设备和核心网设备。该方法包括:第一终端设备接收核心网的第一网元发送的第一消息,所述第一消息包含第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:所述第一终端设备的接入网信息;所述第一终端设备关联的第二终端设备的接入网信息。在本申请实施例中,第一终端设备和第二终端设备可以根据第一策略信息选择接入网并进行注册。
Description
本申请涉及通信技术领域,并且更为具体地,涉及一种无线通信方法、终端设备和核心网设备。
在某些场景中,终端设备需要同时接入多个第三代合作伙伴计划(3rd Generation Partnership Project,3GPP)网络,以保证业务的连续性。为了支持多接入技术,引入了双注册的机制。然而,该双注册机制只能基于特定场景来实施,无法支持终端设备同时接入两个网络等更多的应用场景。
发明内容
本申请提供一种无线通信方法、终端设备和核心网设备。下面对本申请涉及的各个方面进行介绍。
第一方面,提供了一种无线通信方法,包括:第一终端设备接收核心网的第一网元发送的第一消息,所述第一消息包含第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:所述第一终端设备的接入网信息;所述第一终端设备关联的第二终端设备的接入网信息。
第二方面,提供了一种无线通信方法,包括:核心网的第一网元向第一终端设备发送第一消息,所述第一消息包含第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:所述第一终端设备的接入网信息;所述第一终端设备关联的第二终端设备的接入网信息。
第三方面,提供了一种无线通信方法,包括:核心网的第二网元接收核心网的第一网元发送的第三消息,所述第三消息用于请求第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:第一终端设备的接入网信息;第一终端设备关联的第二终端设备的接入网信息。
第四方面,提供了一种终端设备,所述终端设备包括第一终端设备,所述终端设备包括:接收单元,用于接收核心网的第一网元发送的第一消息,所述第一消息包含第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:所述第一终端设备的接入网信息;所述第一终端设备关联的第二终端设备的接入网信息。
第五方面,提供了一种核心网设备,所述核心网设备为核心网的第一网元,所述核心网设备包括:第一发送单元,用于向第一终端设备发送第一消息,所述第一消息包含第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:所述第一终端设备的接入网信息;所述第一终端设备关联的第二终端设备的接入网信息。
第六方面,提供了一种核心网设备,所述核心网设备为核心网的第二网元,所述核心网设备包括:第一接收单元,用于接收核心网的第一网元发送的第三消息,所述第三消息用于请求第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:第一终端设备的接入网信息;第一终端设备关联的第二终端设备的接入网信息。
第七方面,提供一种终端设备,包括处理器、存储器以及通信接口,所述存储器用于存储一个或多个计算机程序,所述处理器用于调用所述存储器中的计算机程序,使得所述终端设备执行第一方面的方法中的部分或全部步骤。
第八方面,提供一种核心网设备,包括处理器、存储器、收发器,所述存储器用于存储一个或多个计算机程序,所述处理器用于调用所述存储器中的计算机程序,使得所述网络设备执行第二方面或第三方面的方法中的部分或全部步骤。
第九方面,本申请实施例提供了一种通信系统,该系统包括上述的终端设备和/或核心网设备。在另一种可能的设计中,该系统还可以包括本申请实施例提供的方案中与终端设备或核心网设备进行交互的其他设备。
第十方面,本申请实施例提供了一种计算机可读存储介质,所述计算机可读存储介质存储有计算机程序,所述计算机程序使得通信设备(例如,终端设备或核心网设备)执行上述各个方面的方法中的部分或全部步骤。
第十一方面,本申请实施例提供了一种计算机程序产品,其中,所述计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质,所述计算机程序可操作来使通信设备(例如,终端设备或核
心网设备)执行上述各个方面的方法中的部分或全部步骤。在一些实现方式中,该计算机程序产品可以为一个软件安装包。
第十二方面,本申请实施例提供了一种芯片,该芯片包括存储器和处理器,处理器可以从存储器中调用并运行计算机程序,以实现上述各个方面的方法中所描述的部分或全部步骤。
在本申请实施例中,第一终端设备可以接收核心网的第一网元发送的第一消息,以便于根据第一消息中的第一策略信息确定第一终端设备和/或第二终端设备对应的接入网信息。由此可见,当第一终端设备关联的设备支持多接入技术时,该设备基于第一策略信息可以确定多个关联的终端设备分别对应的接入网络,有助于提升多接入的增益。
图1是可应用本申请实施例的无线通信系统的系统架构示例图。
图2是第五代(5th generation,5G)通信系统的系统架构图。
图3是双注册的流程示意图。
图4是本申请实施例提供的无线通信方法的流程示意图。
图5是图4所示方法的一种可能的实现方式的流程示意图。
图6是图4所示方法的另一种可能的实现方式的流程示意图。
图7是本申请实施例提供的终端设备的结构示意图。
图8是本申请实施例提供的一种核心网设备的结构示意图。
图9是本申请实施例提供的另一种核心网设备的结构示意图。
图10是本申请实施例提供的通信装置的示意性结构图。
下面将结合附图,对本申请中的技术方案进行描述。
无线通信系统
图1是可应用本申请实施例的无线通信系统100的系统架构示例图。该无线通信系统100可以包括网络设备110和终端设备120。网络设备110可以是与终端设备120通信的设备。网络设备110可以为特定的地理区域提供网络覆盖,并且可以与位于该覆盖区域内的终端设备120进行通信。终端设备120可以通过网络设备110接入网络(如无线网络)。可选地,该无线通信系统100还可以包括网络控制器、移动管理实体等其他网络实体,本申请实施例对此不作限定。
应理解,本申请实施例的技术方案可以应用于各种通信系统,例如:第五代(5th generation,5G)系统或新无线(new radio,NR)、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)等。本申请提供的技术方案还可以应用于未来的通信系统,如第六代移动通信系统,又如卫星通信系统,等等。
本申请实施例中的终端设备也可称为用户设备(user equipment,UE)、接入终端、用户单元、用户站、移动站、移动台(mobile station,MS)、移动终端(mobile Terminal,MT)、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。本申请实施例中的终端设备可以是指向用户提供语音和/或数据连通性的设备,可以用于连接人、物和机,例如具有无线连接功能的手持式设备、车载设备等。本申请的实施例中的终端设备可以是手机(mobile phone)、平板电脑(Pad)、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)中的无线终端等。可选地,终端设备可以用于充当基站。例如,终端设备可以充当调度实体,其在车联万物(vehicle to everything,V2X)或设备到设备(device to device,D2D)等中的终端设备之间提供侧行链路信号。比如,蜂窝电话和汽车利用侧行链路信号彼此通信。蜂窝电话和智能家居设备之间通信,而无需通过基站中继通信信号。
本申请实施例中的网络设备可以是用于与终端设备通信的设备。该网络设备例如可以是接入网设
备或无线接入网设备。比如,网络设备可以是基站。基站可以广义的覆盖如下中的各种名称,或与如下名称进行替换:节点B(NodeB)、演进型基站(evolved NodeB,eNB)、下一代基站(next generation NodeB,gNB)、中继站、接入点、传输点(transmitting and receiving point,TRP)、发射点(transmitting point,TP)、家庭基站、网络控制器、接入节点、无线节点、接入点(access piont,AP)、传输节点、收发节点、基带单元(base band unit,BBU)、射频拉远单元(remote radio unit,RRU)、有源天线单元(active antenna unit,AAU)、射频头(remote radio head,RRH)、中心单元(central unit,CU)、分布式单元(distributed unit,DU)、定位节点等。基站可以是宏基站、微基站、中继节点、施主节点或类似物,或其组合。
终端设备与终端设备之间可以通过侧行链路(sidelink)进行通信。侧行链路通信也可称为邻近服务(proximity services,ProSe)通信、单边通信、旁链通信、D2D通信。
5G网络系统架构
图2为本申请实施例适用的5G网络的系统架构图。如图2所示,3GPP标准组发布的5G系统或NR网络架构,包括:终端设备(又称UE)201、支持3GPP技术的接入网设备202(包括无线接入网(radio access network,RAN)或接入网(access network,AN))、接入和移动性管理功能(access and mobility management function,AMF)网元203、会话管理功能(session management function,SMF)网元204、用户面功能(user plane function,UPF)网元205、策略控制功能(policy control function,PCF)网元206、应用功能(application function,AF)网元209、数据网络(data network,DN)208、网络切片选择功能(Network Slice Selection Function,NSSF)211、鉴权服务功能(Authentication Server Function,AUSF)210、统一数据管理功能(Unified Data Management,UDM)207。
需要说明的是,图2中示出的网络架构并不构成对该5G网络架构的限定,具体实现时,该5G网络架构可以包括比图示更多或更少的网元,或者组合某些网元等。另外,图2中以(R)AN的方式表征AN或RAN。
终端设备201可以是图1中的任一终端设备,在此不再赘述。
接入网设备202是终端设备通过无线方式接入到该网络架构中的接入设备,主要负责空口侧的无线资源管理、服务质量(quality of service,QoS)管理、数据压缩和加密等。例如:NodeB、eNodeB、5G移动通信系统或NR通信系统中的基站、未来移动通信系统中的基站等。
UPF网元205、AMF网元203、SMF网元204、PCF网元206为3GPP核心网络的网元(简称:核心网网元)。UPF网元205可以称为用户面功能网元,主要负责用户数据的传输,其他网元可以称为控制面功能网元,主要负责认证、鉴权、注册管理、会话管理、移动性管理以及策略控制等,以保障用户数据可靠稳定的传输。
UPF网元205(或者简称“UPF”)可以用于转发和接收终端的数据。例如,UPF网元可以从数据网络接收业务的数据,通过接入网设备传输给终端;UPF网元还可以通过接入网设备从终端接收用户数据,转发到数据网络。其中,UPF网元为终端分配和调度的传输资源是由SMF网元管理控制的。终端与UPF网元之间的承载可以包括:UPF网元和接入网设备之间的用户面连接,以及在接入网设备和终端之间建立信道。其中,用户面连接为可以在UPF网元和接入网设备之间建立传输数据的服务质量(quality of service,QoS)流(flow)。
AMF网元203(或者简称“AMF”)可以用于对终端接入核心网络进行管理,例如:终端的位置更新、注册网络、接入控制、终端的移动性管理、终端的附着与去附着等。AMF网元还可以在为终端的会话提供服务的情况下,为该会话提供控制面的存储资源,以存储会话标识、与会话标识关联的SMF网元标识等。
SMF网元204(或者简称“SMF”)可以用于为终端选择用户面网元、为终端重定向用户面网元、为终端分配因特网协议(internet protocol,IP)地址,建立终端与UPF网元之间的承载(也可以称为会话)、会话的修改、释放以及QoS控制。
PCF网元206(或者简称“PCF”)用于向AMF网元203、SMF网元204提供策略,如QoS策略、切片选择策略等。PCF负责制定对终端设备的移动性管理、会话管理、计费等相关的策略。
AF网元209(或者简称“AF”)用于与3GPP核心网网元交互支持应用影响数据的路由,访问网络暴露功能,与PCF网元之间交互以进行策略控制等。
DN 208可以为如IP多媒体服务(IP multi-media service,IMS)网络、互联网等为用户提供数据服务。在DN 208中可以有多种应用服务器(application server,AS),提供不同的应用业务,比如运营商业务,互联网接入或者第三方业务等,应用服务器可以实现AF网元的功能。
NSSF 211用于网络切片的选择,支持的功能有:选择为UE服务的网络切片实例集;确定允许的网络切片选择辅助信息(network slice selection assistance information,NSSAI),以及在需要时确定到签约的单一网络切片选择辅助信息(single-network slice selection assistance information,S-NSSAI)的映射;确定已配置的NSSAI,以及在需要时确定到签约的S-NSSAI的映射;确定可能用于查询UE的AMF集,或基于配置确定候选AMF的列表。
AUSF 210用于接收AMF 203对终端进行身份验证的请求,通过向UDM 207请求密钥,再将下发的密钥转发给AMF 203进行鉴权处理。
UDM 207包括用户签约数据的产生和存储、鉴权数据的管理等功能,支持与外部第三方服务器交互。
如图2所示,终端设备通过Uu接口与AN进行接入层连接,交互接入层消息及无线数据传输。终端设备还通过N1接口与AMF网元进行非接入层(non-access stratum,NAS)连接,交互NAS消息。AMF网元在对终端设备进行移动性管理之外,还负责将会话管理相关消息在终端设备和SMF网元之间进行转发。UPF网元通过N6接口与外部数据网络进行数据传输,通过N3接口与AN进行数据传输。
应理解,图2中的各网元既可以是硬件设备中的网络元件,也可以是在专用硬件上运行的软件功能,或者是平台(例如,云平台)上实例化的虚拟化功能。需要说明的是,在上述图所示的网络架构中,仅仅是示例性说明整个网络架构中所包括的网元。在本申请实施例中,并不限定整个网络架构中所包括的网元。
双注册
基于保证业务覆盖和连续性、增加容量等需求,终端设备可能需要同时接入多个3GPP网络,并在两种接入网之间做流量的切换、分流等。示例性地,终端设备可以同时接入4G网络和5G网络。示例性地,终端设备可以同时接入两个公共陆地移动网络(public land mobile network,PLMN)的5G网络。
以终端设备同时接入两个网络为例,在该场景下的基本需求是需要允许终端设备同时在两个接入网络中进行注册,并保持双注册的状态。
为了实现双注册,在5G与LTE的系统兼容技术中有相关的支持。具体而言,可以允许一个终端设备同时在5G与LTE的接入网络中保持注册状态,用于因移动性引起的终端设备切换接入网络。下面结合图3对双注册的流程进行示意性说明。
图3是站在多个设备交互的角度进行介绍的。除图2所示的部分设备之外,该多个设备还包括演进的通用移动通讯系统(universal mobile telecommunication system,UMTS)的陆地无线接入网(evolved UMTS terrestrial radio access network,E-UTRAN)、下一代RAN(next generation RAN,NG-RAN)、演进型分组核心网(evolved packet core,EPC)、分组数据网络网关控制面(packet data network gateway-control plane,PGW-C)、归属签约用户服务器(home subscriber server,HSS)。
参见图3,在步骤S301,UE附着(attached)并注册到EPC(LTE)的接入网络中。其中,UE被EPC分配了4G全球唯一临时UE标识(globally unique temporary UE identity,GUTI),即4G-GUTI。该标识为MME分配的临时UE ID,可以用于识别对应的MME以及UE。
在步骤S302,UE向NG-RAN发送注册请求(registration request)。
在步骤S303,NG-RAN进行AMF选择(selection)。
在步骤S304,NG-RAN向新的AMF发送注册请求。
在步骤S305,注册流程(registration procedure)。
通过步骤S302至步骤S305,UE接入5G网络,并向5G核心网发送注册请求。其中,UE使用4G-GUTI标识转换的5G-GUTI作为其临时标识上报给5G核心网。
在步骤S306,AMF向UDM+HSS注册UE信息,并同时通知该网元不要撤销UE在LTE的注册。其中,UE在LTE的注册通过MME实现。
通过步骤S307至步骤S309,UE完成在5G接入网络的注册流程。其中,在步骤S380,UE接收新的AMF发送的注册接受(registration accept)的信息;在步骤S390,UE向AMF发送注册完成(registration
complete)的信息。
在步骤S310,UE请求协议数据单元(protocol data unit,PDU)会话建立流程(UE requested PDU session establishment procedure),以建立PDU会话(5G接入网络)。
在步骤S311,PGW-C+SMF网元发起已传输分组数据网络(packet data network,PDN)连接的释放(PGW-C+SMF initiates release of transferred PDN connection),以释放PDN连接(LTE接入网络)。
由上文可知,图3所示流程适用于单UE的双注册模式,而且核心网需要UE在注册时上报关联的接入网信息,以与其他网元交互。例如,UE上报的GUTI信息可以包含MME的相关信息。接收注册信息的网元在与统一的管理网元UDM+HSS交互时,可以让该网元同时获知两个接入网络的信息。该技术依赖于相同UE,且GUTI信息可以在两个接入网络之间做关联,需要两个接入网络为相同运营商。
在一些实施例中,为了减小对现有网络的影响,部分运营商建议使用两个用户身份识别(subscriber identity module,SIM)卡来接入两个网络,也可以看作是两个相关联的UE同时接入两个网络。
示例性地,在引入多全球用户身份识别(multi-universal subscriber identity module,Multi-USIM)技术后,同一个手机终端可以同时配备多个(通常为2个)USIM卡。两个USIM卡可以分别独立地注册到接入网络中,并建立相应的会话,进行各自独立的业务。需要说明的是,两张USIM卡之间没有关联,在网络侧看来,为两个独立的UE。
上文结合图3介绍了双注册模式的主要流程。该双注册模式的限制较多,只适用于特定场景,灵活性较差。例如,图3相关的双注册模式无法支持双UE同时接入两个网络的场景。
应理解,本申请实施例中的双UE指的是同一设备对应的两个UE,也可以称为双分流(dual steer)设备的两个UE。例如,当同一设备具有两个USIM卡时,该设备也可以称为双USIM卡UE。类似地,USIM卡还可以替换为SIM卡或者双订阅永久标识符(subscription permanent identifier,SUPI)等。
在上述双注册模式中,当双UE接入两个网络时,会有两个UE标识(identity,ID)。然而,两个UE ID没有直接关联,两个网络之间也无法共通类似于GUTI之类包含网元(AMF/MME)信息的信息。因此,需要设计新的关联机制让双UE的两个USIM卡关联起来。
进一步地,在多数场景下,为了获得双接入的增益,一般需要两个USIM卡的接入网络互不相同。可选地,两个USIM卡可以接入相同PLMN但接入技术方式不同。例如,两个USIM卡中的一个卡使用4G网络,一个卡使用5G网络。又如,两个USIM卡中的一个卡使用地面站接入,一个卡使用卫星接入。可选地,两个USIM卡的接入方式相同(例如,都使用5G网络接入),但是通过不同的PLMN进行接入。例如,两个USIM卡都接入5G基站,但一个卡使用移动网络,另一个卡使用联通网络。
然而,如何配置终端设备和网络,使得同一设备上两张关联的USIM卡选取不同的接入网络以满足业务需求,也是需要解决的问题。
需要说明的是,上述提及双UE中两个卡如何关联以及如何配置的问题仅是一个示例,本申请实施例可应用于具有任意多个USIM卡或者类似标识的同一设备如何进行关联和配置的场景。
基于此,本申请实施例提供了一种无线通信方法。在该方法中,第一终端设备可以根据核心网第一网元发送的第一策略信息,确定第一终端设备和/或第一终端设备关联的第二终端设备的接入网信息,有助于第一终端设备和第二终端设备确定分别对应的接入网络,以进行选网注册。下文结合图4介绍本申请实施例的无线通信的方法。图4是站在第一终端设备和核心网的第一网元交互的角度介绍的。
参见图4,在步骤S410中,第一终端设备接收核心网的第一网元发送的第一消息。
第一终端设备可以是终端设备关联的多个终端设备中的之一。该终端设备可以是前文所述的双UE设备,也可以是具有两个以上USIM卡或类似标识的多卡设备。
在一些实现方式中,第一终端设备可以为多个相互关联的终端设备中的之一。可选地,同一设备关联的多个终端设备可以分别具有不同的标识,第一终端设备为该多个终端设备中的之一。例如,终端设备为具有多个SIM卡的设备,第一终端设备为其中一个SIM卡代表的一个终端设备。
在一些场景中,包括第一终端设备的终端设备为双SIM卡设备,双SIM卡的一张卡对应第一终端设备,另一张卡对应第二终端设备。其中,第一终端设备与第二终端设备关联。
在一些场景中,包括第一终端设备的终端设备可以设置有多个USIM卡,并且,该终端设备可以分别通过多个USIM卡中的不同USIM卡来接入多个接入网络。例如,终端设备可以设置有USIM1以及USIM2,相应地,通过USIM1接入第一接入网,通过USIM2接入第二接入网。
在一些实现方式中,核心网的第一网元为核心网中的注册管理网元或移动管理网元。作为一个示例,第一网元可以为AMF或MME。当然,在本申请实施例中,第一网元还可以是未来通信系统中与AMF或者MME功能类似的其他核心网网元。
在一些实现方式中,第一消息为第一网元通过相应接口向第一终端设备发送的消息。例如,第一网元为AMF时,可以通过N1接口向第一终端设备发送第一消息。
第一消息包含第一策略(policy)信息,第一策略信息用于确定以下信息中的一种或多种:第一终端设备的接入网信息;第一终端设备关联的第二终端设备的接入网信息。
在一些实现方式中,第一策略信息用于确定第一终端设备的接入网信息。也就是说,第一策略信息用于指示第一终端设备可选的多个接入网络的信息。在这种场景下,第一终端设备关联的第二终端设备可以接收核心网直接下发的与其对应的策略信息,该策略信息用于确定第二终端设备的接入网信息。
在一些实现方式中,第一策略信息用于确定第一终端设备和第二终端设备的接入网信息。也就是说,第一策略信息用于指示第一终端设备和第二终端设备分别可选的多个接入网络的信息。在这种场景下,第一终端设备在接收到第一策略信息后,可以与第二终端设备进行策略同步和更新。
作为一个示例,第一终端设备收到第一策略信息后,在本地与第二终端设备进行策略同步和更新,将与第二终端设备相关的策略同步给第二终端设备。
作为一个示例,第一终端设备收到第一策略信息后,在本地与第二终端设备进行策略同步和更新,将所有的策略均同步给第二终端设备,以便于第二终端设备选择与第一终端设备不同的网络。
在一些实现方式中,第一终端设备关联的第二终端设备可以是第一终端设备对应的SIM卡或USIM卡所在的终端设备上的另一SIM卡或USIM卡对应的终端设备。也就是说,第一终端设备和第二终端设备可以是同一终端设备上的不同的SIM卡或USIM卡对应的终端设备。
应理解,第二终端设备可以是一个或多个终端设备。例如,在双UE设备中,第二终端设备为一个终端设备。又如,对于具有两个以上SIM卡的设备来说,第二终端设备为多个终端设备。
在一些实现方式中,第一策略信息用于确定第二终端设备的接入网信息。也就是说,第一策略信息用于指示第二终端设备可选的多个接入网络的信息。在这种场景下,第一终端设备同样需要与第二终端设备进行策略同步和更新。另外,第一终端设备可以沿用当前发送第一消息的接入网,第二终端设备则在可选的多个接入网络中进行选择和注册。
在一些实现方式中,可以由终端设备单独的管理功能网元使用和管理第一终端设备和第二终端设备的策略,而不需要具体同步到每个终端设备。也就是说,终端设备对应的管理功能网元可以对第一终端设备和第二终端设备的选网进行统一管理。进一步地,该功能可以通过具体设备来实现。
在一些实现方式中,第一终端设备或第二终端设备的接入网信息,指的是第一终端设备或第二终端设备可以选择进行网络接入的一个或多个接入网络的相关信息。其中,第一终端设备和第二终端设备可以分别对应一个或多个接入网络。
作为一个示例,多个接入网络可以是第一终端设备或第二终端设备当前可选的多个接入网络,也可以是第一终端设备或第二终端设备当前或者后续可选的多个接入网络。
作为一个示例,一个或多个接入网络可以是在一定区域内能搜索到的一个或多个接入网络。
作为一个示例,在第一终端设备和第二终端设备分别对应的多个接入网络中,至少部分接入网络不同,以便于第一终端设备和第二终端设备可以分别选择不同的接入网并进行注册。
在一些实现方式中,接入网信息可以包括以下信息中的一种或多种:接入网类型(AN type)、无线接入技术(radio access technology,RAT)的类型(RAT type)以及PLMN的信息。在本申请实施例中,接入网也可以称为接入网络。
在一些实现方式中,接入网类型可以包括3GPP接入网和非3GPP(non-3GPP)接入网,在此不做限定。3GPP接入网可以包括4G网络中的接入网、5G网络中的接入网以及非地面网络(non-terrestrial network,NTN)中的接入网。非3GPP接入网例如是无线保真(wireless fidelity,Wi-Fi)。
作为一个示例,在NTN中,接入网可以与地球同步(静止)轨道(geostationary earth orbit,GEO)卫星和地面网络相关。例如,终端设备可以基于NR-GEO的接入方式接入3GPP网络中。当然,终端设备也可以基NR-低地球轨道(low-earth orbit,LEO)的接入方式,或NR-中地球轨道(medium-earth orbit,MEO)的接入方式接入3GPP网络。
在一些实现方式中,无线接入技术的类型可以包括以下一种或多种:基于卫星的RAT,NR RAT,Wi-Fi RAT,E-UTRAN RAT。基于卫星的RAT例如是NR-GEO RAT。
在一些实现方式中,PLMN的信息可以包括PLMN ID,例如PLMN A、PLMN B、PLMN C。
在一些实现方式中,第一策略信息可以直接指定第一终端设备和第二终端设备的接入网络。
在一些实现方式中,第一策略信息用于指示接入网信息与优先级信息之间的对应关系,以便于第一终端设备和第二终端设备根据优先级信息分别选择合适的接入网,从而提高多接入增益。因此,第一策略信息中的策略又可以称为“多接入策略”或者“dual steer策略”。
在一些实现方式中,优先级信息包括接入网对应的优先级(priority level)或者优先级的关联信息。作为一个示例,接入网对应的优先级可以是在当前可选的多个接入网中的优先级,也可以是在当前或者后续可选的多个接入网中的优先级,还可以是当前所有接入网中的优先级。
作为一个示例,接入网信息与优先级信息之间的对应关系是一一对应的。
作为一个示例,接入网信息与优先级信息之间的对应关系不是一一对应的。例如,一个优先级可以对应多个接入网。又如,一个接入网在不同的条件下可能分别对应不同的优先级。
作为一个示例,第一策略信息指示的接入网信息与优先级信息之间的对应关系可以通过表格进行指示。表1为一种可能的实现方式。应理解,本申请实施例中的表格仅是一个示例,并不形成限定。
表1
在一些实现方式中,接入网信息与优先级信息之间的对应关系为第一条件下的对应关系。也就是说,接入网信息与优先级信息之间的对应关系是基于一定条件确定的。当第一条件的信息发生改变时,接入网信息与优先级信息之间的对应关系也可能发生变化。
在一些实现方式中,第一策略信息还用于指示第一条件,以便于第一终端设备或第二终端设备根据当前的条件选择优先级较高的接入网。例如,第一终端设备根据第一策略信息确定当前条件下接入的网络不是优先级最高的网络时,第一终端设备可以断开当前网络,然后接入优先级最高的网络。
在一些实现方式中,第一条件与区域信息(location)和/或接入网信息关联。
在一些实现方式中,第一策略信息可以指示在不同区域信息条件下对应的优先级信息。其中,区域信息可以是特定的区域信息或者区域信息的关联信息。特定的区域信息例如是具体的地理位置信息、跟踪区(tracking area,TA)信息或者小区(cell)信息等。
作为一个示例,当第一条件与区域信息关联时,第一策略信息的可能的实现方式如表2所示。
表2
在一些实现方式中,第一策略信息可以指示在不同接入网信息条件下对应的优先级信息。接入网信息可以包括第一终端设备和/或第二终端设备当前的接入网络的信息,还可以包括与第一终端设备和/或第二终端设备当前接入网络不同的接入网络的信息。
作为一个示例,在第一策略信息中,第一终端设备对应的多接入策略中的第一条件与第一终端设备当前的接入网络有关。当第一终端设备处于当前接入网络时,可以根据其他网络的优先级选择网络。
作为一个示例,在第一策略信息或第二策略信息中,第二终端设备对应的多接入策略中的第一条件与第二终端设备当前的接入网络有关。
在一些实现方式中,第一策略信息可以指示在当前另一接入网络(other AN)的条件下对应的优先级信息。也就是说,接入网信息还可以包括当前另一接入网络的信息,以便于终端设备选择不同的接入网络。当前另一接入网络可以是与选择网络的终端设备关联的另一终端设备当前的接入网络,也可以是与选择网络的终端设备当前或者后续的网络不同的另一接入网络的信息。
作为一个示例,第一终端设备对应的多接入策略中的第一条件与第二终端设备当前的接入网络有关。相应地,第二终端设备对应的多接入策略中的第一条件与第一终端设备当前的接入网络有关。示例性地,当第一终端设备的接入网络已选定时,第二终端设备可以根据已选定的网络条件下的优先级信息进行接入网络的选择和注册。
作为一个示例,第一条件包括当前另一接入网络的条件时,第一策略信息与另一接入网络的信息有关联。在这种场景下第一策略信息的可能的实现方式如表3所示。
表3
在一些实现方式中,第一消息中的第一策略信息可以用于确定初始策略,也可以用于更新策略,在此不做限定。相应地,第二终端设备可能接收的第二策略信息也可以用于确定初始策略或者更新策略。换句话说,第一终端设备或者第二终端设备接收的第一策略信息可以是初始策略信息,也可以是策略管理网元更新后的策略信息。
在一些实现方式中,第一网元可以根据第一终端设备的请求消息来发送第一消息。该请求消息可以为第二消息。示例性地,第一终端设备在接收第一消息之前,向第一网元发送第二消息。也就是说,第一网元在向第一终端设备发送第一消息之前,会接收第一终端设备发送的第二消息。第二消息用于第一终端设备向第一网元发送多接入服务的请求。
在一些实现方式中,第二消息包含第一信息,第一信息用于请求通过多个接入网进行业务传输。
作为一个示例,第二消息可以为注册请求消息。例如,第一终端设备可以通过第二消息向第一网元发送注册请求。该注册请求可以包含第一信息,以请求多接入服务。
作为一个示例,第二消息可以为多接入服务请求消息,以通过第一网元向策略管理网元订阅多接入策略。第一信息可以为请求多接入服务的指示信息,因此也可以称为多接入指示信息或者“dual steer”指示信息,以请求多接入服务。
在本申请实施例中,第一信息可以为显示的指示信息,也可以通过隐式的形式进行指示。
在一些实现方式中,当第一信息包含第一终端设备关联的第二终端设备的信息时,可以表示请求多接入服务。作为一个示例,第一信息可以包含第一终端设备关联的第二终端设备的标识。当第一信息包含第二终端设备的标识时,第一网元可以认为第一终端设备发送的是多接入指示信息。例如,第一信息可以携带第二终端设备的ID信息,以进行隐式的指示。
在一些实现方式中,当第一终端设备发送第二消息后,第一网元可以利用第一信息进行授权检查。作为一个示例,第一网元可以向UDM或者HSS查询对应的多接入签约信息。作为一个示例,第一网元还可以从UDM或HSS的签约信息中获取第二终端设备的ID信息。
在一些实现方式中,第一网元向第一终端设备发送第一策略信息时,可以通过第二消息的反馈消息发送,也可以通过专门的下行消息发送。例如,第一网元可以通过反馈注册/服务请求响应来向第一终端设备发送第一消息。又如,第一网元可以通过专门的下行消息发送第一消息。示例性地,AMF(第一网元)可以通过订阅通知的形式从PCF获取策略信息,然后,AMF可以使用专门的消息,例如下行非接入层传输(DL NAS Transfer)消息下发第一消息至第一终端设备。
如前文所述,当第一终端设备接收到第一策略信息后,可以与第二终端设备进行多接入策略的同步和更新。在一些实现方式中,第一终端设备可以向第二终端设备发送第二策略信息,第二策略信息用于确定第二终端设备的接入网信息。
在一些实现方式中,第二策略信息也可以由核心网直接下发给第二终端设备。
在本申请实施例中,第二策略信息可以与第一策略信息中的内容完全相同(包括第一终端设备和第二终端设备的策略信息),也可以只包括与第二终端设备相关的策略信息。
作为一个示例,第二策略信息用于确定第二终端设备的接入网信息。与第一策略信息相似,第二策略信息还可以指示接入网信息与优先级信息的对应关系以及第一条件,在此不再赘述。
在一些实现方式中,第一终端设备和第二终端设备分别接收到对应的策略信息后,可以根据相关的
策略进行网络选择和注册。示例性地,第一终端设备或第二终端设备可能需要断开当前接入网。
作为一个示例,第一终端设备可以根据第一策略信息选择并注册至接入网。示例性地,第一终端设备可以根据第一策略信息进行网络选择,并重新接入(注册)到所选的接入网络中。
作为一个示例,第二终端设备可以根据第二策略信息选择并注册至接入网。示例性地,第二终端设备可以根据第二策略信息进行网络选择,并重新接入(注册)到所选的接入网络中。
作为一个示例,第一终端设备和第二终端设备根据下发的多接入策略进行选网和注册。如果需要断开当前接入网,第一终端设备和第二终端设备可以按策略重新选取和接入新的网络。
作为一个示例,第一终端设备和第二终端设备可以根据当前条件下的接入网络的优先级,和当前能搜索到的接入网络进行选择。例如,对于第一终端设备来说,当前条件可以是第二终端设备的接入网络和/或当前的位置信息。
如前文所述,第一网元可以与核心网中的策略管理网元进行交互,以获取第一策略信息。也就是说,第一网元可以通过策略管理网元下发的信息确定第一策略信息。
在一些实现方式中,策略管理网元可以表示为核心网中的第二网元。示例性地,第二网元可以为PCF。在本申请实施例中,第二网元还可以是未来通信系统中与PCF功能类似的其他核心网网元。
在一些实现方式中,第一网元向第二网元发送第三消息,第三消息用于请求第一策略信息。第三消息用于向第二网元发送策略获取的请求,因此也可以称为订阅请求。第二网元在接收第三消息后,向第一网元发送第四消息,第四消息包含第一策略信息。
在一些实现方式中,第三消息包含第一终端设备的接入网信息。作为一个示例,第一终端设备的接入网信息可以包括接入网类型、RAT类型和/或当前的服务PLMN(serving PLMN)。
在一些实现方式中,第三消息还可以包含第一终端设备关联的第二终端设备的信息。作为一个示例,第一终端设备关联的第二终端设备的信息可以包括第二终端设备的ID信息。
在一些实现方式中,第二网元向第一网元发送的策略信息可以根据第一终端设备的接入网信息和/或位置信息来确定。例如,第一策略信息可以根据第一终端设备的接入网信息和位置信息确定。
作为一个示例,第一终端设备的接入网信息和位置信息可以携带在第三消息中。
作为一个示例,第二网元可以从核心网的其他网元处获取第一终端设备的接入网信息。
上文结合图4介绍了第一终端设备和第二终端设备确定多接入策略的方法。由前文可知,第二终端设备的策略信息有多种下发方式。下面结合两个实施例进行示例性说明。
实施例一,策略信息下发给请求方,也就是发送请求的第一终端设备。第二终端设备的多接入策略需要通过第一终端设备的同步来确定。在这种场景下,终端设备内部需要进行多接入策略同步。例如,终端设备侧需要支持本地两个USIM卡之间的交互或信息共享。
作为一个示例,第一终端设备在进行注册或发起多接入服务请求时,由核心网根据终端设备的签约信息以及当前的接入网信息等确定第一终端设备和/或第二终端设备的选网策略/规则,即第一策略信息。核心网将第一策略信息下发给第一终端设备,由第一终端设备同步给第二终端设备,进而触发第一终端设备和/或第二终端设备在指定接入网络或者选择的接入网络的注册。
作为一个示例,终端设备向核心网发送多接入指示信息,核心网向终端设备反馈与多接入相关的策略信息。该策略信息用于指示该多接入业务关联的多个终端设备进行接入网络的选择和注册。进一步地,该策略信息可以包括选择网络的接入网类型、PLMN、RAT等信息以及对应的优先级,还可以包括在不同位置、另一接入网络已选定情况下的优先级信息。在核心网中,注册管理网元接收到终端设备的多接入指示信息后,向策略管理网元请求获取相关的策略。策略管理网元可以根据当前终端设备的位置信息以及当前接入网信息等确定多接入策略,并向注册管理网元反馈两个关联终端设备的策略信息。
在上述实施例中,可以支持第一终端设备向网络发送指示信息以指示当前可以支持多接入业务或请求多接入业务,从而触发策略下发。进一步地,第一终端设备和第二终端设备可以根据相应的策略和条件进行接入网络的选择和注册。
实施例二,策略信息下发给执行方,也就是执行网络选择/注册的第一终端设备和第二终端设备。第二终端设备的多接入策略由核心网直接下发,终端设备侧不需要设备内部进行策略同步,改动较小。但是,在这种场景下需要增强核心网侧的处理逻辑,以将两个策略分别下发给对应的终端设备。
作为一个示例,第一终端设备在进行注册或发起多接入服务请求时,由核心网根据终端设备的签约
信息以及当前的接入网信息等确定第一终端设备和/或第二终端设备的选网策略/规则,并下发给第一终端设备和/或第二终端设备,进而触发第一终端设备和/或第二终端设备在指定或选择的接入网络的注册。
作为一个示例,第一终端设备向核心网发送多接入指示信息,核心网分别向第一终端设备和第二终端设备反馈与多接入相关的策略信息。与实施例一不同的是,注册管理网元在收到第一终端设备的请求后,根据第一终端设备以及关联的第二终端设备信息,向策略管理网元请求第二终端设备的策略信息。策略管理网元收到请求后确定第二终端设备的策略信息,并通过移动管理网元下发给第二终端设备。
在上述实施例中,核心网侧在收到第一终端设备的请求信息后,可以通过多种实现方式触发第二终端设备的策略信息。下面对多种策略请求和下发方式进行具体说明。
在本申请实施例中,第一终端设备和第二终端设备对应的注册管理网元或者移动管理网元可以是相同的,也可以是不同的。当注册管理网元或者移动管理网元相同时,该网元为第一网元。当注册管理网元或者移动管理网元不同时,第一终端设备对应第一网元,第二终端设备对应核心网中的第三网元。
作为一个示例,第三网元可以是AMF或MME,还可以是未来通信系统中与AMF或者MME功能类似的其他核心网网元。示例性地,第一网元为AMF1,第三网元为AMF2。
在本申请实施例中,为第一终端设备和第二终端设备制定多接入策略的策略管理网元可以是相同的,也可以是不同的。当策略管理网元相同时,制定策略的网元为第二网元。当策略管理网元不同时,第一终端设备对应第二网元,第二终端设备对应核心网中的第四网元。
作为一个示例,第四网元可以是PCF,还可以是未来通信系统中与PCF功能类似的其他核心网网元。示例性地,第二网元为PCF1,第四网元为PCF2。
在一些实现方式中,第一网元可以向第三网元发送第五消息。作为一个示例,当第三网元和第一网元相同时,第五消息的发送可以通过网元内部实现。
作为一个示例,第五消息也可以称为多接入请求消息。第五消息可以包括以下中的一种或多种:第一信息,用于请求通过多个接入网对终端设备进行业务传输;第二终端设备的标识。
作为一个示例,第五消息可以包含第二终端设备的ID信息和多接入指示信息。
作为一种可能的实现方式,第三网元可以向第二网元发送第六消息。第六消息用于请求第二策略信息,因此也可以称为订阅请求。第二策略信息用于确定第二终端设备的接入网信息。
作为一个示例,第六消息可以包括第二终端设备的接入网信息。第二终端设备的接入网信息可以包括接入网类型、RAT类型和/或当前的服务PLMN(serving PLMN)。
需要说明的是,第三消息中第一终端设备的接入网信息和第六消息中第二终端设备的接入网信息均为终端设备当前的接入网信息。当第一终端设备或第二终端设备接收到策略信息后,可以根据相关的策略信息确定可选择的一个或多个接入网的信息,并进行选择和注册。
作为另一种可能的实现方式,当第一网元和第三网元相同时,第一网元在接收到第一终端设备的注册请求或者多接入请求后,除了向第二网元请求第一终端设备的策略,还要向第二网元或者第四网元请求第二终端设备的策略。
作为一个示例,第一网元可以向第四网元发送第六消息。第六消息在此不再赘述。
作为一个示例,当第二网元或第四网元接收到第六消息后,可以向第一网元或第三网元发送第七消息。第七消息包含第二策略信息。例如,第二网元可以向第一网元或第三网元发送第七消息。又如,第一网元可以接收第四网元发送的第七消息。
作为一种可能的实现方式,当第一网元和第三网元不同、第二网元和第四网元不同时,第二网元接收第一网元的第三消息,并向第一网元反馈第一策略信息;第四网元接收第三网元的第六消息,并向第三网元反馈第二策略信息。在这种场景下,第一网元向第一终端设备发送第一策略信息。第三网元向第二终端设备发送第二策略信息。其中,第三网元可以通过专门的下行消息发送第二策略信息。
作为一个示例,当第一网元或者第三网元接收到第七消息后,可以向第二终端设备发送第八消息。第八消息包含第二策略信息。例如,第一网元和第三网元相同时,第一网元发送第八消息。
在一些实现方式中,第二网元可以向第四网元发送多接入请求。作为一个示例,第二网元向第四网元发送第九消息。当第四网元和第二网元相同时,第五消息的发送可以通过网元内部实现。
作为一个示例,第九消息也可以称为多接入请求消息。第九消息包含以下信息中的一种或多种:第一信息,用于请求通过多个接入网对终端设备进行业务传输;第二终端设备的标识。
综上,第二策略信息可以有多种触发方式。方式一,通过第九消息触发,即由第二网元向第四网元发送请求消息触发或由PCF内部实现触发,进而触发第四网元向第三网元发送第二策略信息。方式二,通过第五消息和第六消息触发,进而触发第四网元向第三网元发送第二策略信息。方式三:第一网元与第三网元相同,通过第六消息触发,进而触发第四网元向第三网元发送第二策略信息。
下面结合具体例子图5和图6,更加详细地描述本申请实施例。应注意,图4的例子仅仅是为了帮助本领域技术人员理解本申请实施例,而非要将本申请实施例限于所例示的具体数值或具体场景。本领域技术人员根据所给出的图4的例子,显然可以进行各种等价的修改或变化,这样的修改或变化也落入本申请实施例的范围内。
图5为本申请实施例一种可能的实现方式的流程示意图。在图5的示例中,第一终端设备为UE1,第二终端设备为UE2,核心网的第一网元为AMF1,第二网元为PCF1,第三网元为AMF2。其中,UE1和UE2相互关联。RAN1和RAN2分别为UE1和UE2对应的接入网。
参见图5,在步骤S510,UE1向AMF1发送注册请求/多接入服务请求,即第二消息。第二消息中可以包含多接入指示信息。
在步骤S520,AMF1与UDM进行交互,以完成授权/签约检查。
在步骤S530,AMF1向PCF1发送多接入策略获取请求,即包含UE1接入网信息的第三消息。
在步骤S540,PCF1向AMF1反馈多接入策略,即第四消息。多接入策略包含UE1的第一策略信息和UE2的第二策略信息。在某些场景下,多接入策略信息也可以称为第一策略信息。
在步骤S550,AMF1向UE1发送注册响应/多接入服务响应,即包含多接入策略的第一消息。
在步骤S560,UE1与UE2进行多接入策略同步。
在步骤S570a,UE1执行选网注册流程。
在步骤S570b,UE2执行选网注册流程。
图6为本申请实施例另一种可能的实现方式的流程示意图。在图6的示例中,第一终端设备为UE1,第二终端设备为UE2,核心网的第一网元为AMF1,第二网元为PCF1,第三网元为AMF2,第四网元为PCF2。其中,UE1和UE2相互关联。RAN1和RAN2分别为UE1和UE2对应的接入网。
参见图6,在步骤S601,UE1向AMF1发送注册请求/多接入服务请求,即第二消息。第二消息中可以包含多接入指示信息。
在步骤S602,AMF1与UDM进行交互,以完成授权/签约检查。
在步骤S603,AMF1向PCF1发送多接入策略获取请求,即包含UE1接入网信息的第三消息。
在步骤S604,PCF1向PCF2发送多接入请求,即包含UE2ID和多接入指示信息的第九消息。
在步骤S605,PCF1向AMF1反馈多接入策略,即包含UE1策略(第一策略信息)的第四消息。
在步骤S606,AMF1向UE1发送注册响应/多接入服务响应,即包含第一策略信息的第一消息。
在步骤S607,AMF1向AMF2发送多接入请求,即包含UE2ID和多接入指示信息的第五消息。
在步骤S608,AMF2向PCF2发送多接入策略获取请求,即包含UE2接入网信息的第六消息。
在步骤S609,PCF2向AMF2反馈多接入策略,即包含UE2策略(第二策略信息)的第七消息。
在步骤S610,AMF2向UE2发送注册响应/多接入服务响应,即包含第二策略信息的第八消息。
在步骤S611a,UE1执行选网注册流程。
在步骤S611b,UE2执行选网注册流程。
上文结合图1至图6,详细描述了本申请的方法实施例,下面结合图7至图10,详细描述本申请的装置实施例。应理解,方法实施例的描述与装置实施例的描述相互对应,因此,未详细描述的部分可以参见前面方法实施例。
图7是本申请实施例的终端设备的示意图。图7所示的终端设备700包括第一终端设备。如图7所示,终端设备700包括接收单元710。
接收单元710,可用于接收核心网的第一网元发送的第一消息,所述第一消息包含第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:所述第一终端设备的接入网信息;所述第一终端设备关联的第二终端设备的接入网信息。
可选地,所述第一策略信息用于指示接入网信息与优先级信息之间的对应关系。
可选地,所述对应关系为第一条件下的对应关系,所述第一策略信息还用于指示所述第一条件,所
述第一条件与区域信息和/或接入网信息关联。
可选地,所述接入网信息包括以下信息中的一种或多种:接入网类型、无线接入技术的类型以及PLMN的信息。
可选地,终端设备700还包括第一发送单元,可用于在接收所述第一网元发送的所述第一消息之前,向所述第一网元发送第二消息,所述第二消息包含第一信息,所述第一信息用于请求通过多个接入网进行业务传输。
可选地,所述第一信息包含所述第二终端设备的标识。
可选地,所述第二消息为注册请求消息。
可选地,终端设备700还包括第二发送单元,可用于向所述第二终端设备发送第二策略信息,所述第二策略信息用于确定所述第二终端设备的接入网信息。
可选地,终端设备700还包括处理单元,可用于根据所述第一策略信息选择并注册至接入网。
可选地,所述第一网元为AMF或MME。
图8是本申请实施例的一种核心网设备的示意图。图8所示的核心网设备800为核心网的第一网元。如图8所示,核心网设备800包括第一发送单元810。
第一发送单元810,可用于向第一终端设备发送第一消息,所述第一消息包含第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:所述第一终端设备的接入网信息;所述第一终端设备关联的第二终端设备的接入网信息。
可选地,所述第一策略信息用于指示接入网信息与优先级信息之间的对应关系。
可选地,所述对应关系为第一条件下的对应关系,所述第一策略信息还用于指示所述第一条件,所述第一条件与区域信息和/或接入网信息关联。
可选地,所述接入网信息包括以下信息中的一种或多种:接入网类型、无线接入技术的类型以及PLMN的信息。
可选地,核心网设备800还包括第一接收单元,可用于在向所述第一终端设备发送所述第一消息之前,接收所述第一终端设备发送的第二消息,所述第二消息包含第一信息,所述第一信息用于请求通过多个接入网进行业务传输。
可选地,所述第一信息包含所述第二终端设备的标识。
可选地,所述第二消息为注册请求消息。
可选地,核心网设备800还包括第二发送单元,可用于向第二网元发送第三消息,所述第三消息用于请求所述第一策略信息。
可选地,核心网设备800还包括第二接收单元,可用于接收所述第二网元发送的第四消息,所述第四消息包含所述第一策略信息。
可选地,所述第三消息包含所述第一终端设备的接入网信息。
可选地,所述第二网元为PCF。
可选地,核心网设备800还包括第三发送单元,可用于向第三网元发送第五消息,所述第五消息包括以下中的一种或多种:第一信息,用于请求通过多个接入网对终端设备进行业务传输;所述第二终端设备的标识。
可选地,所述第三网元为AMF或MME。
可选地,核心网设备800还包括第四发送单元,可用于向第四网元发送第六消息,所述第六消息用于请求第二策略信息,所述第二策略信息用于确定所述第二终端设备的接入网信息。
可选地,核心网设备800还包括第三接收单元,可用于接收所述第四网元发送的第七消息,所述第七消息包含所述第二策略信息。
可选地,核心网设备800还包括第五发送单元,可用于向所述第二终端设备发送第八消息,所述第八消息包含所述第二策略信息。
可选地,所述第六消息包括所述第二终端设备的接入网信息。
可选地,所述第四网元为PCF。
可选地,所述第一网元为AMF或MME。
图9是本申请实施例的另一种核心网设备的示意图。图9所示的核心网设备900为核心网的第二
网元。如图9所示,核心网设备900包括第一接收单元910。
第一接收单元910,可用于接收核心网的第一网元发送的第三消息,所述第三消息用于请求第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:第一终端设备的接入网信息;第一终端设备关联的第二终端设备的接入网信息。
可选地,核心网设备900还包括第一发送单元,可用于向所述第一网元发送第四消息,所述第四消息包含所述第一策略信息。
可选地,所述第一策略信息用于指示接入网信息与优先级信息之间的对应关系。
可选地,所述对应关系为第一条件下的对应关系,所述第一策略信息还用于指示所述第一条件,所述第一条件与区域信息和/或接入网信息关联。
可选地,所述接入网信息包括以下信息中的一种或多种:接入网类型、无线接入技术的类型以及PLMN的信息。
可选地,核心网设备900还包括第二接收单元,可用于接收所述第一网元或第三网元发送的第六消息,所述第六消息用于请求第二策略信息,所述第二策略信息用于确定第二终端设备的接入网信息。
可选地,核心网设备900还包括第二发送单元,可用于向所述第一网元或所述第三网元发送第七消息,所述第七消息包含所述第二策略信息。
可选地,所述第六消息包括所述第二终端设备的接入网信息。
可选地,所述第三网元为AMF或MME。
可选地,核心网设备900还包括第三发送单元,可用于向第四网元发送第九消息,所述第九消息包含以下信息中的一种或多种:第一信息,用于请求通过多个接入网对终端设备进行业务传输;所述第二终端设备的标识。
可选地,所述第四网元为PCF。
可选地,所述第一网元为AMF或MME。
可选地,所述第二网元为PCF。
图10是本申请实施例的通信装置的示意性结构图。图10中的虚线表示该单元或模块为可选的。该装置1000可用于实现上述方法实施例中描述的方法。装置1000可以是芯片、终端设备或网络设备。
装置1000可以包括一个或多个处理器1010。该处理器1010可支持装置1000实现前文方法实施例所描述的方法。该处理器1010可以是通用处理器或者专用处理器。例如,该处理器可以为中央处理单元(central processing unit,CPU)。或者,该处理器还可以是其他通用处理器、数字信号处理器(digital signal processor,DSP)、专用集成电路(application specific integrated circuit,ASIC)、现成可编程门阵列(field programmable gate array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
装置1000还可以包括一个或多个存储器1020。存储器1020上存储有程序,该程序可以被处理器1010执行,使得处理器1010执行前文方法实施例所描述的方法。存储器1020可以独立于处理器1010也可以集成在处理器1010中。
装置1000还可以包括收发器1030。处理器1010可以通过收发器1030与其他设备或芯片进行通信。例如,处理器1010可以通过收发器1030与其他设备或芯片进行数据收发。
本申请实施例还提供一种计算机可读存储介质,用于存储程序。该计算机可读存储介质可应用于本申请实施例提供的终端或网络设备中,并且该程序使得计算机执行本申请各个实施例中的由终端或网络设备执行的方法。
本申请实施例还提供一种计算机程序产品。该计算机程序产品包括程序。该计算机程序产品可应用于本申请实施例提供的终端或网络设备中,并且该程序使得计算机执行本申请各个实施例中的由终端或网络设备执行的方法。
本申请实施例还提供一种计算机程序。该计算机程序可应用于本申请实施例提供的终端或网络设备中,并且该计算机程序使得计算机执行本申请各个实施例中的由终端或网络设备执行的方法。
应理解,本申请使用的术语仅用于对本申请的具体实施例进行解释,而非旨在限定本申请。本申请的说明书和权利要求书及所述附图中的术语“第一”、“第二”等是用于区别不同对象,而不是用于描述特定顺序。此外,术语“包括”和“具有”以及它们任何变形,意图在于覆盖不排他的包含。
在本申请的实施例中,提到的“指示”可以是直接指示,也可以是间接指示,还可以是表示具有关联关系。举例说明,A指示B,可以表示A直接指示B,例如B可以通过A获取;也可以表示A间接指示B,例如A指示C,B可以通过C获取;还可以表示A和B之间具有关联关系。
在本申请实施例中,“与A相应的B”表示B与A相关联,根据A可以确定B。但还应理解,根据A确定B并不意味着仅仅根据A确定B,还可以根据A和/或其它信息确定B。
在本申请实施例中,术语“对应”可表示两者之间具有直接对应或间接对应的关系,也可以表示两者之间具有关联关系,也可以是指示与被指示、配置与被配置等关系。
本申请实施例中,“预定义”或“预配置”可以通过在设备(例如,包括终端设备和网络设备)中预先保存相应的代码、表格或其他可用于指示相关信息的方式来实现,本申请对于其具体的实现方式不做限定。比如预定义可以是指协议中定义的。
本申请实施例中,所述“协议”可以指通信领域的标准协议,例如可以包括LTE协议、NR协议以及应用于未来的通信系统中的相关协议,本申请对此不做限定。
本申请实施例中术语“和/或”,仅仅是一种描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。另外,本文中字符“/”,一般表示前后关联对象是一种“或”的关系。
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。
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。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时,全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line,DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够读取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质,(例如,软盘、硬盘、磁带)、光介质(例如,数字通用光盘(digital video disc,DVD))或者半导体介质(例如,固态硬盘(solid state disk,SSD))等。
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以所述权利要求的保护范围为准。
Claims (91)
- 一种无线通信方法,其特征在于,包括:第一终端设备接收核心网的第一网元发送的第一消息,所述第一消息包含第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:所述第一终端设备的接入网信息;所述第一终端设备关联的第二终端设备的接入网信息。
- 根据权利要求1所述的方法,其特征在于,所述第一策略信息用于指示接入网信息与优先级信息之间的对应关系。
- 根据权利要求2所述的方法,其特征在于,所述对应关系为第一条件下的对应关系,所述第一策略信息还用于指示所述第一条件,所述第一条件与区域信息和/或接入网信息关联。
- 根据权利要求1至3中任一项所述的方法,其特征在于,所述接入网信息包括以下信息中的一种或多种:接入网类型、无线接入技术的类型以及PLMN的信息。
- 根据权利要求1至4中任一项所述的方法,其特征在于,在所述第一终端设备接收核心网的第一网元发送的第一消息之前,所述方法还包括:所述第一终端设备向所述第一网元发送第二消息,所述第二消息包含第一信息,所述第一信息用于请求通过多个接入网进行业务传输。
- 根据权利要求5所述的方法,其特征在于,所述第一信息包含所述第二终端设备的标识。
- 根据权利要求5或6所述的方法,其特征在于,所述第二消息为注册请求消息。
- 根据权利要求1至7中任一项所述的方法,其特征在于,所述方法还包括:所述第一终端设备向所述第二终端设备发送第二策略信息,所述第二策略信息用于确定所述第二终端设备的接入网信息。
- 根据权利要求1至8中任一项所述的方法,其特征在于,所述方法还包括:所述第一终端设备根据所述第一策略信息选择并注册至接入网。
- 根据权利要求1至9中任一项所述的方法,其特征在于,所述第一网元为AMF或MME。
- 一种无线通信方法,其特征在于,包括:核心网的第一网元向第一终端设备发送第一消息,所述第一消息包含第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:所述第一终端设备的接入网信息;所述第一终端设备关联的第二终端设备的接入网信息。
- 根据权利要求11所述的方法,其特征在于,所述第一策略信息用于指示接入网信息与优先级信息之间的对应关系。
- 根据权利要求12所述的方法,其特征在于,所述对应关系为第一条件下的对应关系,所述第一策略信息还用于指示所述第一条件,所述第一条件与区域信息和/或接入网信息关联。
- 根据权利要求11至13中任一项所述的方法,其特征在于,所述接入网信息包括以下信息中的一种或多种:接入网类型、无线接入技术的类型以及PLMN的信息。
- 根据权利要求11至14中任一项所述的方法,其特征在于,在所述核心网的第一网元向第一终端设备发送第一消息之前,所述方法还包括:所述第一网元接收所述第一终端设备发送的第二消息,所述第二消息包含第一信息,所述第一信息用于请求通过多个接入网进行业务传输。
- 根据权利要求15所述的方法,其特征在于,所述第一信息包含所述第二终端设备的标识。
- 根据权利要求15或16所述的方法,其特征在于,所述第二消息为注册请求消息。
- 根据权利要求11至17中任一项所述的方法,其特征在于,所述方法还包括:所述第一网元向第二网元发送第三消息,所述第三消息用于请求所述第一策略信息。
- 根据权利要求18所述的方法,其特征在于,所述方法还包括:所述第一网元接收所述第二网元发送的第四消息,所述第四消息包含所述第一策略信息。
- 根据权利要求18或19所述的方法,其特征在于,所述第三消息包含所述第一终端设备的接入网信息。
- 根据权利要求18至20中任一项所述的方法,其特征在于,所述第二网元为PCF。
- 根据权利要求11至21中任一项所述的方法,其特征在于,所述方法还包括:所述第一网元向第三网元发送第五消息,所述第五消息包括以下中的一种或多种:第一信息,用于请求通过多个接入网对终端设备进行业务传输;所述第二终端设备的标识。
- 根据权利要求22所述的方法,其特征在于,所述第三网元为AMF或MME。
- 根据权利要求11至23中任一项所述的方法,其特征在于,所述方法还包括:所述第一网元向第四网元发送第六消息,所述第六消息用于请求第二策略信息,所述第二策略信息用于确定所述第二终端设备的接入网信息。
- 根据权利要求24所述的方法,其特征在于,所述方法还包括:所述第一网元接收所述第四网元发送的第七消息,所述第七消息包含所述第二策略信息。
- 根据权利要求25所述的方法,其特征在于,所述方法还包括:所述第一网元向所述第二终端设备发送第八消息,所述第八消息包含所述第二策略信息。
- 根据权利要求24至26中任一项所述的方法,其特征在于,所述第六消息包括所述第二终端设备的接入网信息。
- 根据权利要求24至27中任一项所述的方法,其特征在于,所述第四网元为PCF。
- 根据权利要求11至28中任一项所述的方法,其特征在于,所述第一网元为AMF或MME。
- 一种无线通信方法,其特征在于,包括:核心网的第二网元接收核心网的第一网元发送的第三消息,所述第三消息用于请求第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:第一终端设备的接入网信息;第一终端设备关联的第二终端设备的接入网信息。
- 根据权利要求30所述的方法,其特征在于,所述方法还包括:所述第二网元向所述第一网元发送第四消息,所述第四消息包含所述第一策略信息。
- 根据权利要求30或31所述的方法,其特征在于,所述第一策略信息用于指示接入网信息与优先级信息之间的对应关系。
- 根据权利要求32所述的方法,其特征在于,所述对应关系为第一条件下的对应关系,所述第一策略信息还用于指示所述第一条件,所述第一条件与区域信息和/或接入网信息关联。
- 根据权利要求30至33中任一项所述的方法,其特征在于,所述接入网信息包括以下信息中的一种或多种:接入网类型、无线接入技术的类型以及PLMN的信息。
- 根据权利要求30至34中任一项所述的方法,其特征在于,所述方法还包括:所述第二网元接收所述第一网元或第三网元发送的第六消息,所述第六消息用于请求第二策略信息,所述第二策略信息用于确定第二终端设备的接入网信息。
- 根据权利要求35所述的方法,其特征在于,所述方法还包括:所述第二网元向所述第一网元或所述第三网元发送第七消息,所述第七消息包含所述第二策略信息。
- 根据权利要求35或36所述的方法,其特征在于,所述第六消息包括所述第二终端设备的接入网信息。
- 根据权利要求35至37中任一项所述的方法,其特征在于,所述第三网元为AMF或MME。
- 根据权利要求30至34中任一项所述的方法,其特征在于,所述方法还包括:所述第二网元向第四网元发送第九消息,所述第九消息包含以下信息中的一种或多种:第一信息,用于请求通过多个接入网对终端设备进行业务传输;所述第二终端设备的标识。
- 根据权利要求39所述的方法,其特征在于,所述第四网元为PCF。
- 根据权利要求30至40中任一项所述的方法,其特征在于,所述第一网元为AMF或MME。
- 根据权利要求30至41中任一项所述的方法,其特征在于,所述第二网元为PCF。
- 一种终端设备,其特征在于,所述终端设备包括第一终端设备,所述终端设备包括:接收单元,用于接收核心网的第一网元发送的第一消息,所述第一消息包含第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:所述第一终端设备的接入网信息;所述第一终端设备关联的第二终端设备的接入网信息。
- 根据权利要求43所述的终端设备,其特征在于,所述第一策略信息用于指示接入网信息与优先级信息之间的对应关系。
- 根据权利要求44所述的终端设备,其特征在于,所述对应关系为第一条件下的对应关系,所述第一策略信息还用于指示所述第一条件,所述第一条件与区域信息和/或接入网信息关联。
- 根据权利要求43至45中任一项所述的终端设备,其特征在于,所述接入网信息包括以下信息中的一种或多种:接入网类型、无线接入技术的类型以及PLMN的信息。
- 根据权利要求43至46中任一项所述的终端设备,其特征在于,所述终端设备还包括:第一发送单元,用于在接收所述第一网元发送的所述第一消息之前,向所述第一网元发送第二消息,所述第二消息包含第一信息,所述第一信息用于请求通过多个接入网进行业务传输。
- 根据权利要求47所述的终端设备,其特征在于,所述第一信息包含所述第二终端设备的标识。
- 根据权利要求47或48所述的终端设备,其特征在于,所述第二消息为注册请求消息。
- 根据权利要求43至49中任一项所述的终端设备,其特征在于,所述终端设备还包括:第二发送单元,用于向所述第二终端设备发送第二策略信息,所述第二策略信息用于确定所述第二终端设备的接入网信息。
- 根据权利要求43至50中任一项所述的终端设备,其特征在于,所述终端设备还包括:处理单元,用于根据所述第一策略信息选择并注册至接入网。
- 根据权利要求43至51中任一项所述的终端设备,其特征在于,所述第一网元为AMF或MME。
- 一种核心网设备,其特征在于,所述核心网设备为核心网的第一网元,所述核心网设备包括:第一发送单元,用于向第一终端设备发送第一消息,所述第一消息包含第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:所述第一终端设备的接入网信息;所述第一终端设备关联的第二终端设备的接入网信息。
- 根据权利要求53所述的核心网设备,其特征在于,所述第一策略信息用于指示接入网信息与优先级信息之间的对应关系。
- 根据权利要求54所述的核心网设备,其特征在于,所述对应关系为第一条件下的对应关系,所述第一策略信息还用于指示所述第一条件,所述第一条件与区域信息和/或接入网信息关联。
- 根据权利要求53至55中任一项所述的核心网设备,其特征在于,所述接入网信息包括以下信息中的一种或多种:接入网类型、无线接入技术的类型以及PLMN的信息。
- 根据权利要求53至56中任一项所述的核心网设备,其特征在于,所述核心网设备还包括:第一接收单元,用于在向所述第一终端设备发送所述第一消息之前,接收所述第一终端设备发送的第二消息,所述第二消息包含第一信息,所述第一信息用于请求通过多个接入网进行业务传输。
- 根据权利要求57所述的核心网设备,其特征在于,所述第一信息包含所述第二终端设备的标识。
- 根据权利要求57或58所述的核心网设备,其特征在于,所述第二消息为注册请求消息。
- 根据权利要求53至59中任一项所述的核心网设备,其特征在于,所述核心网设备还包括:第二发送单元,用于向第二网元发送第三消息,所述第三消息用于请求所述第一策略信息。
- 根据权利要求60所述的核心网设备,其特征在于,所述核心网设备还包括:第二接收单元,用于接收所述第二网元发送的第四消息,所述第四消息包含所述第一策略信息。
- 根据权利要求60或61所述的核心网设备,其特征在于,所述第三消息包含所述第一终端设备的接入网信息。
- 根据权利要求60至62中任一项所述的核心网设备,其特征在于,所述第二网元为PCF。
- 根据权利要求53至63中任一项所述的核心网设备,其特征在于,所述核心网设备还包括:第三发送单元,用于向第三网元发送第五消息,所述第五消息包括以下中的一种或多种:第一信息,用于请求通过多个接入网对终端设备进行业务传输;所述第二终端设备的标识。
- 根据权利要求64所述的核心网设备,其特征在于,所述第三网元为AMF或MME。
- 根据权利要求53至65中任一项所述的核心网设备,其特征在于,所述核心网设备还包括:第四发送单元,用于向第四网元发送第六消息,所述第六消息用于请求第二策略信息,所述第二策略信息用于确定所述第二终端设备的接入网信息。
- 根据权利要求66所述的核心网设备,其特征在于,所述核心网设备还包括:第三接收单元,用于接收所述第四网元发送的第七消息,所述第七消息包含所述第二策略信息。
- 根据权利要求67所述的核心网设备,其特征在于,所述核心网设备还包括:第五发送单元,用于向所述第二终端设备发送第八消息,所述第八消息包含所述第二策略信息。
- 根据权利要求66至68中任一项所述的核心网设备,其特征在于,所述第六消息包括所述第二终端设备的接入网信息。
- 根据权利要求66至69中任一项所述的核心网设备,其特征在于,所述第四网元为PCF。
- 根据权利要求53至70中任一项所述的核心网设备,其特征在于,所述第一网元为AMF或MME。
- 一种核心网设备,其特征在于,所述核心网设备为核心网的第二网元,所述核心网设备包括:第一接收单元,用于接收核心网的第一网元发送的第三消息,所述第三消息用于请求第一策略信息,所述第一策略信息用于确定以下信息中的一种或多种:第一终端设备的接入网信息;第一终端设备关联的第二终端设备的接入网信息。
- 根据权利要求72所述的核心网设备,其特征在于,所述核心网设备还包括:第一发送单元,用于向所述第一网元发送第四消息,所述第四消息包含所述第一策略信息。
- 根据权利要求72或73所述的核心网设备,其特征在于,所述第一策略信息用于指示接入网信息与优先级信息之间的对应关系。
- 根据权利要求74所述的核心网设备,其特征在于,所述对应关系为第一条件下的对应关系,所述第一策略信息还用于指示所述第一条件,所述第一条件与区域信息和/或接入网信息关联。
- 根据权利要求72至75中任一项所述的核心网设备,其特征在于,所述接入网信息包括以下信息中的一种或多种:接入网类型、无线接入技术的类型以及PLMN的信息。
- 根据权利要求72至76中任一项所述的核心网设备,其特征在于,所述核心网设备还包括:第二接收单元,用于接收所述第一网元或第三网元发送的第六消息,所述第六消息用于请求第二策略信息,所述第二策略信息用于确定第二终端设备的接入网信息。
- 根据权利要求77所述的核心网设备,其特征在于,所述核心网设备还包括:第二发送单元,用于向所述第一网元或所述第三网元发送第七消息,所述第七消息包含所述第二策略信息。
- 根据权利要求77或78所述的核心网设备,其特征在于,所述第六消息包括所述第二终端设备的接入网信息。
- 根据权利要求77至79中任一项所述的核心网设备,其特征在于,所述第三网元为AMF或MME。
- 根据权利要求72至76中任一项所述的核心网设备,其特征在于,所述核心网设备还包括:第三发送单元,用于向第四网元发送第九消息,所述第九消息包含以下信息中的一种或多种:第一信息,用于请求通过多个接入网对终端设备进行业务传输;所述第二终端设备的标识。
- 根据权利要求81所述的核心网设备,其特征在于,所述第四网元为PCF。
- 根据权利要求72至82中任一项所述的核心网设备,其特征在于,所述第一网元为AMF或MME。
- 根据权利要求72至83中任一项所述的核心网设备,其特征在于,所述第二网元为PCF。
- 一种终端设备,其特征在于,包括收发器、存储器和处理器,所述存储器用于存储程序,所述 处理器用于调用所述存储器中的程序,并控制所述收发器接收或发送信号,以使所述终端设备执行如权利要求1-10中任一项所述的方法。
- 一种核心网设备,其特征在于,包括收发器、存储器和处理器,所述存储器用于存储程序,所述处理器用于调用所述存储器中的程序,并控制所述收发器接收或发送信号,以使所述核心网设备执行如权利要求11-42中任一项所述的方法。
- 一种装置,其特征在于,包括处理器,用于从存储器中调用程序,以使所述装置执行如权利要求1-42中任一项所述的方法。
- 一种芯片,其特征在于,包括处理器,用于从存储器调用程序,使得安装有所述芯片的设备执行如权利要求1-42中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,其上存储有程序,所述程序使得计算机执行如权利要求1-42中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括程序,所述程序使得计算机执行如权利要求1-42中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1-42中任一项所述的方法。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2024/077060 WO2025166785A1 (zh) | 2024-02-08 | 2024-02-08 | 无线通信方法、终端设备和核心网设备 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2024/077060 WO2025166785A1 (zh) | 2024-02-08 | 2024-02-08 | 无线通信方法、终端设备和核心网设备 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2025166785A1 true WO2025166785A1 (zh) | 2025-08-14 |
Family
ID=96699000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2024/077060 Pending WO2025166785A1 (zh) | 2024-02-08 | 2024-02-08 | 无线通信方法、终端设备和核心网设备 |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2025166785A1 (zh) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021034105A1 (ko) * | 2019-08-19 | 2021-02-25 | 삼성전자주식회사 | 무선통신 시스템에서 다중 가입 서비스를 제공하는 방법 및 장치 |
| WO2021248365A1 (en) * | 2020-06-10 | 2021-12-16 | Qualcomm Incorporated | Route selection policy initiation for a non-default subscription |
| CN116963231A (zh) * | 2022-04-13 | 2023-10-27 | 华为技术有限公司 | 通信方法和通信装置 |
| US20230362862A1 (en) * | 2020-05-07 | 2023-11-09 | Google Llc | Multi-usim device accessing services of a second cellular network through a first cellular network via a gateway |
| WO2023244884A1 (en) * | 2022-06-14 | 2023-12-21 | Qualcomm Incorporated | Standalone non-public network selection for dual access together with a plmn |
| WO2024000537A1 (zh) * | 2022-06-30 | 2024-01-04 | 北京小米移动软件有限公司 | 网络访问方法、装置、通信设备和存储介质 |
-
2024
- 2024-02-08 WO PCT/CN2024/077060 patent/WO2025166785A1/zh active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021034105A1 (ko) * | 2019-08-19 | 2021-02-25 | 삼성전자주식회사 | 무선통신 시스템에서 다중 가입 서비스를 제공하는 방법 및 장치 |
| US20230362862A1 (en) * | 2020-05-07 | 2023-11-09 | Google Llc | Multi-usim device accessing services of a second cellular network through a first cellular network via a gateway |
| WO2021248365A1 (en) * | 2020-06-10 | 2021-12-16 | Qualcomm Incorporated | Route selection policy initiation for a non-default subscription |
| CN116963231A (zh) * | 2022-04-13 | 2023-10-27 | 华为技术有限公司 | 通信方法和通信装置 |
| WO2023244884A1 (en) * | 2022-06-14 | 2023-12-21 | Qualcomm Incorporated | Standalone non-public network selection for dual access together with a plmn |
| WO2024000537A1 (zh) * | 2022-06-30 | 2024-01-04 | 北京小米移动软件有限公司 | 网络访问方法、装置、通信设备和存储介质 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11653296B2 (en) | Isolated network slice selection | |
| US12309873B2 (en) | Multi-SIM dynamic capabilities | |
| CN112566149B (zh) | 配置业务的方法、通信装置和通信系统 | |
| CN111586771A (zh) | 网络节点选择方法及装置 | |
| US20220225082A1 (en) | Communication Method, Communication Apparatus, and Storage Medium | |
| US11139887B2 (en) | System and method for radio link sharing | |
| US20240106530A1 (en) | Method for satellite selection | |
| EP4354770A1 (en) | Method and apparatus for transmitting data | |
| US9355408B2 (en) | Advertising service method using device-to-device communication and apparatus for performing the same | |
| US20230094040A1 (en) | Communication method, and associated communication apparatus, medium, and chip | |
| CN113811025A (zh) | 一种释放中继连接的方法、设备及系统 | |
| TW202410713A (zh) | 通信方法和通信裝置 | |
| WO2021088061A1 (zh) | 通信方法及装置 | |
| US20250119904A1 (en) | Communication method and apparatus | |
| WO2022153256A1 (en) | Redirection and retry of registration | |
| CN114642079A (zh) | 通信方法及装置 | |
| US12185422B2 (en) | Communication method and apparatus | |
| WO2025166785A1 (zh) | 无线通信方法、终端设备和核心网设备 | |
| WO2023020481A1 (zh) | 用于传输数据的方法和装置 | |
| WO2025166782A1 (zh) | 无线通信方法、终端设备和核心网设备 | |
| GB2621184A (en) | Apparatus, method and computer program | |
| WO2025166784A1 (zh) | 无线通信方法、终端设备和核心网设备 | |
| US20240388887A1 (en) | Communication method and related apparatus | |
| US20240349165A1 (en) | Method for slice resource release | |
| WO2025167244A1 (zh) | 无线通信的方法、终端设备、核心网网元以及基站 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 24923020 Country of ref document: EP Kind code of ref document: A1 |