[go: up one dir, main page]

WO2025050676A1 - Procédé de communication, appareil de communication et système de communication - Google Patents

Procédé de communication, appareil de communication et système de communication Download PDF

Info

Publication number
WO2025050676A1
WO2025050676A1 PCT/CN2024/091290 CN2024091290W WO2025050676A1 WO 2025050676 A1 WO2025050676 A1 WO 2025050676A1 CN 2024091290 W CN2024091290 W CN 2024091290W WO 2025050676 A1 WO2025050676 A1 WO 2025050676A1
Authority
WO
WIPO (PCT)
Prior art keywords
network
terminal device
resource scheduling
scheduling information
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
Application number
PCT/CN2024/091290
Other languages
English (en)
Chinese (zh)
Inventor
张卓阳
刘佳琦
钟杰
丁辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2025050676A1 publication Critical patent/WO2025050676A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H04W8/14—Mobility data transfer between corresponding nodes

Definitions

  • the present application relates to the field of wireless communication technology, and in particular to a communication method, a communication device and a communication system.
  • the present application provides a communication method, a communication device and a communication system to enhance user experience.
  • an embodiment of the present application provides a communication method, which can be executed by a policy network element or a chip applied to a policy network element, and the policy network element can be a policy control function (PCF) network element or a policy and charging rules function (PCRF) network element.
  • the method includes: obtaining a network identifier of a terminal device; and sending the network identifier to a mobility management network element when a validity condition of the network identifier is met.
  • the policy network element can dynamically obtain the network identifier of the terminal device and send the network identifier to the mobility management network element when the effectiveness conditions are met, so that the mobility management network element can send the network identifier to the terminal device, and then the terminal device can display the network identifier on the display screen, thereby improving the user experience.
  • the mobility management network element is an access and mobility management function (AMF) network element; before obtaining the network identifier of the terminal device, indication information from the AMF network element is received, and the indication information indicates that the AMF network element has the ability to forward the network identifier; obtaining the network identifier of the terminal device includes: obtaining the network identifier of the terminal device according to the indication information.
  • AMF access and mobility management function
  • the policy network element obtains the network identifier of the terminal device, which helps to avoid obtaining the network identifier when the AMF network element does not have the ability to forward the network identifier, thereby reducing the waste of resources of the terminal device.
  • the mobility management network element is a mobility management entity (MME); before obtaining the network identifier of the terminal device, receiving indication information from a packet data network gateway (PGW), the indication information indicating that the MME, the serving gateway (SGW) and the PGW all have the ability to forward the network identifier; obtaining the network identifier of the terminal device includes: obtaining the network identifier of the terminal device according to the indication information.
  • MME mobility management entity
  • PGW packet data network gateway
  • SGW serving gateway
  • PGW packet data network gateway
  • the policy network element can send the network identifier to the terminal device through MME, SGW and PGW. Therefore, the policy network element obtains the network identifier of the terminal device, which helps to avoid the policy network element from obtaining the network identifier when the MME, SGW or PGW does not have the ability to forward the network identifier, thereby reducing the waste of resources of the policy network element.
  • obtaining the network identifier of the terminal device includes: obtaining the network identifier from user contract information of the terminal device; or obtaining the network identifier from local configuration information.
  • sending the network identifier to the mobility management network element includes: the effectiveness condition includes an effective time range, and when the current time is included in the effective time range, sending the network identifier to the mobility management network element; or, the effectiveness condition includes an effective access location, and when the location of the terminal device is included in the effective access location, sending the network identifier to the mobility management network element; or, the effectiveness condition includes an effective access standard, and the communication standard of the access network device accessed by the terminal device is included in the effective access standard.
  • the network identifier is sent to the mobility management network element.
  • the policy network element when the conditions for the network identifier to take effect are met, sends the network identifier to the mobility management network element, and the mobility management network element sends the network identifier to the terminal device, which can reduce the number of times the terminal device obtains the network identifier and help save the terminal device's overhead.
  • an embodiment of the present application provides a communication method, which can be executed by a mobility management network element or a chip applied to a mobility management network element, and the mobility management network element can be an AMF network element or an MME.
  • the method includes: receiving a network identifier of a terminal device from a policy network element and a validity condition of the network identifier; and sending the network identifier to the terminal device when the validity condition of the network identifier is met.
  • the policy network element can dynamically obtain the network identification of the terminal device and the effectiveness conditions of the network identification, and send the network identification to the mobility management network element.
  • the mobility management network element determines that the effectiveness conditions of the network identification are met, the network identification can be sent to the terminal device, and then the terminal device can display the network identification on the display screen, thereby improving the user experience.
  • indication information is sent to the policy network element, and the indication information indicates the ability to forward the network identifier.
  • the sending of the network identifier to the terminal device when the effectiveness condition of the network identifier is met includes: the effectiveness condition includes an effective time range, and when the current time is included in the effective time range, the network identifier is sent to the terminal device; or, the effectiveness condition includes an effective access location, and when the location of the terminal device is included in the effective access location, the network identifier is sent to the terminal device; or, the effectiveness condition includes an effective access standard, and when the communication standard of the access network device accessed by the terminal device is included in the effective access standard, the network identifier is sent to the terminal device.
  • the mobility management network element when the validity conditions of the network identifier are met, the mobility management network element sends the network identifier to the terminal device, which can reduce the number of times the terminal device obtains the network identifier and help save the terminal device's overhead.
  • an embodiment of the present application provides a communication method, which can be executed by a policy network element or a chip applied to a policy network element, and the policy network element can be a PCF network element or a PCRF network element.
  • the method includes: obtaining a network identifier of a terminal device and a validity condition of the network identifier; sending the network identifier and the validity condition to a mobility management network element, wherein the validity condition is used to trigger the mobility management network element to send the network identifier to the terminal device when the validity condition of the network identifier is met.
  • the policy network element can dynamically obtain the network identification of the terminal device and the effectiveness conditions of the network identification, and send the network identification to the mobility management network element.
  • the mobility management network element determines that the effectiveness conditions of the network identification are met, the network identification can be sent to the terminal device, and then the terminal device can display the network identification on the display screen, thereby improving the user experience.
  • the mobility management network element is an AMF network element; before obtaining the network identifier of the terminal device and the conditions for the network identifier to take effect, receiving indication information from the AMF network element, the indication information indicating that the AMF network element has the ability to forward the network identifier; obtaining the network identifier of the terminal device and the conditions for the network identifier to take effect includes: obtaining the network identifier of the terminal device and the conditions for the network identifier to take effect according to the indication information.
  • the policy network element obtains the network identifier of the terminal device, which helps to avoid obtaining the network identifier when the AMF network element does not have the ability to forward the network identifier, thereby reducing the waste of resources of the terminal device.
  • the mobility management network element is an MME; before obtaining the network identifier of the terminal device and the conditions for the network identifier to take effect, indication information is received from the PGW, and the indication information indicates that the MME, SGW and the PGW all have the ability to forward the network identifier; obtaining the network identifier of the terminal device and the conditions for the network identifier to take effect includes: obtaining the network identifier of the terminal device and the conditions for the network identifier to take effect according to the indication information.
  • the policy network element if it is determined that MME, SGW and PGW have the ability to forward network identifiers, it means that the policy network element can send the network identifier to the terminal device through MME, SGW and PGW. Therefore, the policy network element obtains the network identifier of the terminal device, which helps to avoid obtaining the network identifier when MME, SGW or PGW does not have the ability to forward the network identifier, thereby reducing the waste of resources of the terminal device.
  • obtaining the network identification of a terminal device and the conditions for the network identification to take effect includes: obtaining the network identification and the conditions for the network identification to take effect from user contract information of the terminal device; or obtaining the network identification and the conditions for the network identification to take effect from local configuration information.
  • an embodiment of the present application provides a communication method, which can be executed by a PCRF network element or a chip applied to a PCRF network element.
  • the method includes: obtaining resource scheduling information for a terminal device; and sending the resource scheduling information to an MME when a validity condition of the resource scheduling information is met.
  • the PCRF network element can dynamically obtain the resource scheduling information for the terminal device, and send the resource scheduling information to the MME when the effectiveness conditions are met, so that the MME can send the resource scheduling information to the 5G access network device to which the terminal device accesses.
  • the 5G access network device dynamically schedules or allocates resources for the terminal device based on the resource scheduling information, and realizes differentiated wireless resource allocation and scheduling for different terminal devices, thereby improving the user experience.
  • an indication information is received from the PGW, and the indication information indicates that the MME, SGW and the PGW all have the ability to forward the resource scheduling information; the obtaining of the resource scheduling information for the terminal device includes: obtaining the resource scheduling information for the terminal device according to the indication information.
  • obtaining resource scheduling information for a terminal device includes: obtaining the resource scheduling information from user subscription information of the terminal device; or obtaining the resource scheduling information from local configuration information.
  • the resource scheduling information is sent to the MME, including: the effectiveness condition includes an effective time range, and when the current time is included in the effective time range, the resource scheduling information is sent to the MME; or, the effectiveness condition includes an effective access location, and when the location of the terminal device is included in the effective access location, the resource scheduling information is sent to the MME; or, the effectiveness condition includes an effective access standard, and when the communication standard of the access network device accessed by the terminal device is included in the effective access standard, the resource scheduling information is sent to the MME.
  • the PCRF network element when the conditions for the effectiveness of the resource scheduling information are met, the PCRF network element sends the resource scheduling information to the MME, and the MME sends the resource scheduling information to the access network device to which the terminal device accesses, which can reduce the number of times the access network device obtains resource scheduling information and help save the overhead of the access network device.
  • an embodiment of the present application provides a communication method, which can be executed by an MME or a chip applied to an MME.
  • the method includes: receiving resource scheduling information for a terminal device and a validity condition of the resource scheduling information from a PCRF network element; and sending the resource scheduling information to an access network device to which the terminal device accesses when the validity condition of the resource scheduling information is met.
  • the PCRF network element can dynamically obtain the resource scheduling information of the terminal device and the effectiveness conditions of the resource scheduling information, and send the resource scheduling information and the effectiveness conditions of the resource scheduling information to the MME.
  • the MME determines that the effectiveness conditions of the resource scheduling information are met, it sends the resource scheduling information to the access network device to which the terminal device accesses.
  • the access network device dynamically schedules or allocates resources for the terminal device based on the resource scheduling information, and realizes differentiated wireless resource allocation and scheduling for different terminal devices, thereby improving the user experience.
  • indication information is sent to the PCRF network element, where the indication information indicates the ability to forward the resource scheduling information.
  • the resource scheduling information is sent to the access network device to which the terminal device accesses, including: the effectiveness condition includes an effective time range, and when the current time is included in the effective time range, the resource scheduling information is sent to the access network device; or, the effectiveness condition includes an effective access position, and when the position of the terminal device is included in the effective access position, the resource scheduling information is sent to the access network device; or, the effectiveness condition includes an effective access standard, and when the communication standard of the access network device to which the terminal device accesses is included in the effective access standard, the resource scheduling information is sent to the access network device.
  • the MME when the conditions for the effectiveness of the resource scheduling information are met, the MME sends the resource scheduling information to the terminal device, which can reduce the number of times the access network device obtains the resource scheduling information, and help save the overhead of the access network device.
  • an embodiment of the present application provides a communication method, which can be executed by a PCRF network element or a chip applied to a PCRF network element.
  • the method includes: obtaining resource scheduling information for a terminal device and a condition for the resource scheduling information to take effect; sending the resource scheduling information and the condition for the resource scheduling information to an MME, wherein the condition for the resource scheduling information to take effect is used to trigger the MME to send the resource scheduling information to an access network device to which the terminal device accesses when the condition for the resource scheduling information to take effect is met.
  • the PCRF network element can dynamically obtain the resource scheduling information of the terminal device and the effectiveness conditions of the resource scheduling information, and send the resource scheduling information and the effectiveness conditions of the resource scheduling information to the MME.
  • the MME determines that the effectiveness conditions of the resource scheduling information are met, it sends the resource scheduling information to the access network device to which the terminal device accesses.
  • the access network device dynamically schedules or allocates resources for the terminal device based on the resource scheduling information, and realizes differentiated wireless resource allocation and scheduling for different terminal devices, thereby improving the user experience.
  • the acquisition of resource scheduling information for the terminal device and the conditions for the effectiveness of the resource scheduling information comprising: obtaining resource scheduling information for the terminal device and the conditions for the effectiveness of the resource scheduling information according to the indication information.
  • the PCRF network element obtains resource scheduling information for the terminal device, which helps to avoid the PCRF network element from obtaining resource scheduling information when the MME, SGW or PGW does not have the ability to forward resource scheduling information, thereby reducing the waste of resources of the PCRF network element.
  • obtaining resource scheduling information for a terminal device and the conditions for the resource scheduling information to take effect includes: obtaining the resource scheduling information and the conditions for the resource scheduling information to take effect from user contract information of the terminal device; or obtaining the resource scheduling information and the conditions for the resource scheduling information to take effect from local configuration information.
  • the resource scheduling information is a radio access technology (RAT) spectrum selection priority (RAT/frequency selection priority, RFSP) or a service profile identifier (SPID).
  • RAT radio access technology
  • RFSP radio access technology spectrum selection priority
  • SPID service profile identifier
  • the effectiveness condition includes at least one of the following: an effective time range, an effective access location, or an effective access standard.
  • an embodiment of the present application provides a communication device, which may be a policy network element or a chip for a policy network element.
  • the device has the function of implementing any implementation method of the first aspect or the third aspect.
  • the function may be implemented by hardware or by hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • an embodiment of the present application provides a communication device, which may be a mobility management network element, or a chip for a mobility management network element.
  • the device has the function of implementing any implementation method of the second aspect above.
  • the function may be implemented by hardware, or by hardware executing corresponding software implementation.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • an embodiment of the present application provides a communication device, which may be a PCRF network element, or a chip for a PCRF network element.
  • the device has the function of implementing any implementation method of the fourth aspect or the sixth aspect.
  • the function may be implemented by hardware, or may be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • an embodiment of the present application provides a communication device, which may be an MME or a chip for an MME.
  • the device has the function of implementing any implementation method of the fifth aspect.
  • the function may be implemented by hardware or by executing corresponding software implementation by hardware.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • an embodiment of the present application provides a communication device, comprising a unit or means for executing each step of any implementation method in the first to sixth aspects above.
  • an embodiment of the present application provides a communication device, including a processor and an interface circuit, wherein the processor is used to communicate with other devices through the interface circuit and execute any implementation method in the first to sixth aspects above.
  • the processor includes one or more.
  • an embodiment of the present application provides a communication device, including a processor, the processor is used to call a program to execute any implementation method in the first to sixth aspects above.
  • the processor may be one or more.
  • the communication device may further include a memory, which is coupled to the processor and may be located inside or outside the device.
  • an embodiment of the present application provides a communication device, comprising a processor; when the device is running, the processor executes computer instructions to enable the device to execute any implementation method in the above-mentioned first to sixth aspects.
  • the communication device may further include a memory for storing the computer instructions.
  • an embodiment of the present application further provides a computer program product, which includes a computer program or instructions.
  • a computer program product which includes a computer program or instructions.
  • an embodiment of the present application further provides a computer-readable storage medium, wherein instructions are stored in the computer-readable storage medium, which, when executed on a communication device, enables any implementation method in the above-mentioned first to sixth aspects to be executed.
  • an embodiment of the present application also provides a chip system, including: a processor, used to execute any implementation method in the above-mentioned first to sixth aspects.
  • an embodiment of the present application further provides a communication system, comprising: a policy network element, configured to obtain a network identifier of a terminal device; and when a validity condition of the network identifier is met, sending the network identifier to a mobility management network element.
  • the mobility management network element is configured to receive the network identifier and send the network identifier to the terminal device.
  • an embodiment of the present application further provides a communication system, comprising: a policy network element, configured to send a network identifier of a terminal device and a validity condition of the network identifier to a mobility management network element; the mobility management network element, configured to receive the network identifier and the network identifier; When the validity condition of the network identification is met, the network identification is sent to the terminal device.
  • an embodiment of the present application also provides a communication system, including: a PCRF network element, used to obtain resource scheduling information for a terminal device; when the effectiveness conditions of the resource scheduling information are met, sending the resource scheduling information to an MME; and an MME, used to receive the resource scheduling information and send the resource scheduling information to an access network device to which the terminal device accesses.
  • a PCRF network element used to obtain resource scheduling information for a terminal device; when the effectiveness conditions of the resource scheduling information are met, sending the resource scheduling information to an MME; and an MME, used to receive the resource scheduling information and send the resource scheduling information to an access network device to which the terminal device accesses.
  • an embodiment of the present application also provides a communication system, including: a PCRF network element, used to send resource scheduling information for a terminal device and the effectiveness conditions of the resource scheduling information to an MME; and an MME, used to send the resource scheduling information to an access network device to which the terminal device accesses when the effectiveness conditions of the resource scheduling information are met.
  • an embodiment of the present application also provides a communication method, including: a policy network element obtains a network identifier of a terminal device; when the effectiveness conditions of the network identifier are met, the policy network element sends the network identifier to a mobility management network element; the mobility management network element receives the network identifier; and the mobility management network element sends the network identifier to the terminal device.
  • an embodiment of the present application also provides a communication method, including: a policy network element sends a network identifier of a terminal device and an effectiveness condition of the network identifier to a mobility management network element; the mobility management network element receives the network identifier and the effectiveness condition of the network identifier; when the effectiveness condition of the network identifier is met, the mobility management network element sends the network identifier to the terminal device.
  • an embodiment of the present application also provides a communication method, including: a PCRF network element obtains resource scheduling information for a terminal device; when the effectiveness conditions of the resource scheduling information are met, the PCRF network element sends the resource scheduling information to an MME; the MME receives the resource scheduling information; and the MME sends the resource scheduling information to an access network device to which the terminal device accesses.
  • an embodiment of the present application also provides a communication method, including: a PCRF network element sends resource scheduling information for a terminal device and the effectiveness conditions of the resource scheduling information to an MME; when the effectiveness conditions of the resource scheduling information are met, the MME sends the resource scheduling information to an access network device to which the terminal device accesses.
  • FIG1 is a schematic diagram of a communication system provided in an embodiment of the present application.
  • Figure 2(a) is a schematic diagram of the 4G EPC architecture
  • Figure 2(b) is a schematic diagram of the 5G NR architecture
  • Figure 2(c) is a schematic diagram of the NSA architecture
  • 3 to 12 are schematic flow diagrams of a communication method provided in an embodiment of the present application.
  • FIG13 is a schematic diagram of a communication device provided in an embodiment of the present application.
  • FIG14 is a schematic diagram of a communication device provided in an embodiment of the present application.
  • the present application provides a communication system.
  • the system includes a mobility management network element and a policy network element.
  • the system shown in Figure 1 can be used in the network architecture shown in Figure 2(a), Figure 2(b) or Figure 2(c). Of course, it can also be used in future network architectures, such as the sixth generation (6G) network architecture, etc., which is not limited in this application.
  • 6G sixth generation
  • the mobility management network element and the policy network element in FIG. 1 are the MME and the PCRF network element in FIG. 2( a ) respectively.
  • the mobility management network element and the policy network element in Figure 1 are the AMF network element and the PCF network element in Figure 2(b) respectively.
  • the mobility management network element and the policy network element in FIG. 1 are respectively the MME and the PCRF network element in FIG. 2( c ).
  • the mobility management network element in Figure 1 is a network element with the functions of AMF network element/MME in future communications such as 6G communications
  • the policy network element is a network element with the functions of PCF network element/PCRF network element in future communications such as 6G communications.
  • the policy network element is used to obtain the network identification of the terminal device; when the validity condition of the network identification is met, the network identification is sent to the mobility management network element.
  • the mobility management network element is used to receive the network identification and send the network identification to the terminal device.
  • the mobility management network element is an AMF network element; the policy network element is also used to receive indication information from the AMF network element before obtaining the network identification of the terminal device, and the indication information indicates that the AMF network element has the ability to forward the network identification; the policy network element is used to obtain the network identification of the terminal device, specifically including: being used to obtain the network identification of the terminal device according to the indication information.
  • the mobility management network element is an MME; the policy network element is further used to receive indication information from the PGW before obtaining the network identification of the terminal device, and the indication information indicates that the MME, the SGW and the PGW all have The ability to forward a network identifier; the policy network element is used to obtain the network identifier of the terminal device, specifically including: used to obtain the network identifier of the terminal device according to the indication information.
  • the policy network element is used to obtain the network identification of the terminal device, specifically including: obtaining the network identification from the user contract information of the terminal device; or obtaining the network identification from local configuration information.
  • the policy network element is used to send the network identifier to the mobility management network element when the effectiveness condition of the network identifier is met, specifically including: the effectiveness condition includes an effective time range, and when the current time is included in the effective time range, the network identifier is sent to the mobility management network element; or, the effectiveness condition includes an effective access location, and when the location of the terminal device is included in the effective access location, the network identifier is sent to the mobility management network element; or, the effectiveness condition includes an effective access standard, and when the communication standard of the access network device accessed by the terminal device is included in the effective access standard, the network identifier is sent to the mobility management network element.
  • the policy network element is used to send the network identifier of the terminal device and the validity condition of the network identifier to the mobility management network element; the mobility management network element is used to receive the network identifier and the validity condition of the network identifier; and when the validity condition of the network identifier is met, the network identifier is sent to the terminal device.
  • the mobility management network element is used to send the network identifier to the terminal device when the effectiveness condition of the network identifier is met, specifically including: the effectiveness condition includes an effective time range, and when the current time is included in the effective time range, the network identifier is sent to the terminal device; or, the effectiveness condition includes an effective access location, and when the location of the terminal device is included in the effective access location, the network identifier is sent to the terminal device; or, the effectiveness condition includes an effective access standard, and when the communication standard of the access network device accessed by the terminal device is included in the effective access standard, the network identifier is sent to the terminal device.
  • the mobility management network element is an AMF network element; the policy network element is also used to receive indication information from the AMF network element, and the indication information indicates that the AMF network element has the ability to forward the network identifier; according to the indication information, the network identifier of the terminal device and the effectiveness conditions of the network identifier are obtained.
  • the mobility management network element is MME; the policy network element is also used to receive indication information from PGW, and the indication information indicates that the MME, SGW and PGW all have the ability to forward network identifiers; according to the indication information, the network identifier of the terminal device and the effectiveness conditions of the network identifier are obtained.
  • the policy network element is used to obtain the network identification of the terminal device and the effectiveness conditions of the network identification, specifically including: obtaining the network identification and the effectiveness conditions of the network identification from the user contract information of the terminal device; or obtaining the network identification and the effectiveness conditions of the network identification from local configuration information.
  • the policy network element is a PCRF network element
  • the mobility management network element is an MME.
  • the PCRF network element is used to obtain resource scheduling information for a terminal device; when the validity condition of the resource scheduling information is met, the resource scheduling information is sent to the MME; the MME is used to receive the resource scheduling information and send the resource scheduling information to the access network device to which the terminal device accesses.
  • the PCRF network element is also used to receive indication information from the PGW before obtaining resource scheduling information for the terminal device, and the indication information indicates that the MME, SGW and the PGW all have the ability to forward resource scheduling information; the PCRF network element is used to obtain resource scheduling information for the terminal device, specifically including: being used to obtain resource scheduling information for the terminal device according to the indication information.
  • the PCRF network element is used to obtain resource scheduling information for the terminal device, specifically including: obtaining the resource scheduling information from the user subscription information of the terminal device; or obtaining the resource scheduling information from local configuration information.
  • the PCRF network element is used to send the resource scheduling information to the MME when the effectiveness condition of the resource scheduling information is met, specifically including: the effectiveness condition includes an effective time range, and when the current time is included in the effective time range, the resource scheduling information is sent to the MME; or, the effectiveness condition includes an effective access location, and when the location of the terminal device is included in the effective access location, the resource scheduling information is sent to the MME; or, the effectiveness condition includes an effective access standard, and when the communication standard of the access network device accessed by the terminal device is included in the effective access standard, the resource scheduling information is sent to the MME.
  • the policy network element is a PCRF network element
  • the mobility management network element is an MME.
  • the PCRF network element is used to send resource scheduling information for a terminal device and a validation condition of the resource scheduling information to the MME;
  • the MME is used to send the resource scheduling information to an access network device to which the terminal device accesses when the validation condition of the resource scheduling information is met.
  • the MME is used to send the resource scheduling information to the access network device to which the terminal device accesses when the effectiveness condition of the resource scheduling information is met, specifically including: the effectiveness condition includes an effective time range, and when the current time is included in the effective time range, the resource scheduling information is sent to the access network device; or, the effectiveness condition includes an effective access position, and when the position of the terminal device is included in the effective access position, the resource scheduling information is sent to the access network device; or, the effectiveness condition includes an effective access standard, and when the communication standard of the access network device to which the terminal device accesses is included in the effective access standard, the resource scheduling information is sent to the access network device.
  • the PCRF network element is also used to receive indication information from the PGW, and the indication information indicates that the MME, SGW and the PGW all have the ability to forward resource scheduling information; according to the indication information, the resource scheduling information for the terminal device and the effectiveness conditions of the resource scheduling information are obtained.
  • the PCRF network element is used to obtain resource scheduling information for a terminal device and the conditions for the effectiveness of the resource scheduling information, specifically including: obtaining the resource scheduling information and the conditions for the effectiveness of the resource scheduling information from user contract information of the terminal device; or obtaining the resource scheduling information and the conditions for the effectiveness of the resource scheduling information from local configuration information.
  • FIG. 2(a) is a schematic diagram of the fourth generation (4G) evolved packet core (EPC) architecture.
  • 4G fourth generation
  • EPC evolved packet core
  • Evolved universal terrestrial radio access network is a 4G wireless access network.
  • the access network equipment within E-UTRAN includes, for example, 4G base stations.
  • MME Mainly responsible for access authentication and mobility management.
  • SGW Mainly responsible for session management, roaming billing and policy execution in roaming scenarios.
  • PGW Mainly responsible for session management and policy and billing execution.
  • HSS Home subscriber server
  • PCRF network element Generates control policies based on the request information of the application function (AF) network element, operator policies, user contract information, etc., controls network behavior, and sends control policies to the control plane network elements for policy execution.
  • AF application function
  • a data network is a network outside of an operator network.
  • An operator network can access multiple DNs, and multiple services can be deployed on the DN, which can provide data and/or voice services to terminal devices.
  • a DN is a private network of a smart factory.
  • the sensors installed in the workshop of the smart factory can be terminal devices.
  • a control server for the sensors is deployed in the DN, and the control server can provide services for the sensors.
  • the sensors can communicate with the control server, obtain instructions from the control server, and transmit the collected sensor data to the control server according to the instructions.
  • a DN is an internal office network of a company.
  • the mobile phones or computers of the company's employees can be terminal devices, and the employees' mobile phones or computers can access information and data resources on the company's internal office network.
  • the terminal device may be a user equipment (UE), a mobile station, a mobile terminal device, etc.
  • the terminal device can be widely used in various scenarios, such as device-to-device (D2D), vehicle to everything (V2X) communication, machine-type communication (MTC), Internet of things (IOT), virtual reality, augmented reality, industrial control, autonomous driving, telemedicine, smart grid, smart furniture, smart office, smart wear, smart transportation, smart city, etc.
  • the terminal device may be a mobile phone, a tablet computer, a computer with wireless transceiver function, a wearable device, a vehicle, an urban air vehicle (such as a drone, a helicopter, etc.), a ship, a robot, a robotic arm, a smart home device, etc.
  • FIG2(a) shows an example of a terminal device being a UE.
  • the 3GPP standards group has developed the next generation mobile communication network system (next Generation System) architecture, called the fifth generation (5G) network architecture.
  • This architecture not only supports the access of radio access technologies defined by the 3GPP standards group (such as long term evolution (LTE) access technology, 5G radio access network (RAN) access technology, etc.) to the 5G core network (CN), but also supports the use of non-3GPP (non-3GPP) access technology through non-3GPP interworking function (N3IWF) or next generation access gateway (next generation packet data gateway, ngPDG) to access the core network.
  • LTE long term evolution
  • RAN radio access network
  • CN 5G core network
  • N3IWF non-3GPP interworking function
  • next generation access gateway next generation packet data gateway
  • Figure 2(b) is a schematic diagram of the 5G new radio (NR) architecture.
  • the 5G architecture shown in Figure 2(a) may include access network equipment and core network equipment.
  • the terminal device accesses the data network (DN) through the access network equipment and the core network equipment.
  • DN data network
  • the core network equipment includes but is not limited to some or all of the following network elements: authentication server function (AUSF) network element (not shown in the figure), unified data management (UDM) network element, unified database (UDR) network element, network storage function (NRF) network element (not shown in the figure), network open function (network exposure function, NEF) network element (not shown in the figure), AF network element, policy control function (PCF) network element, AMF network element, session management function (SMF) network element, user plane function (UPF) network element.
  • AUSF authentication server function
  • UDM unified data management
  • UDR unified database
  • NEF network storage function
  • PCF policy control function
  • AMF session management function
  • SMF session management function
  • UPF user plane function
  • Access network equipment may be a wireless access network equipment (RAN equipment) or a wired access network equipment.
  • wireless access network equipment includes 3GPP access network equipment, untrusted non-3GPP access network equipment and trusted non-3GPP access network equipment.
  • 3GPP access network equipment includes but is not limited to: evolved NodeB (eNodeB) in LTE, next generation NodeB (gNB) in 5G mobile communication system, base station in future mobile communication system or module or unit that completes part of the functions of base station, such as centralized unit (CU), distributed unit (DU), etc.
  • eNodeB evolved NodeB
  • gNB next generation NodeB
  • 5G mobile communication system base station in future mobile communication system or module or unit that completes part of the functions of base station, such as centralized unit (CU), distributed unit (DU), etc.
  • CU centralized unit
  • DU distributed unit
  • Untrusted non-3GPP access network equipment includes but is not limited to: untrusted non-3GPP access gateway or N3IWF equipment, untrusted wireless local area network (WLAN) access point (AP), switch, router.
  • Trusted non-3GPP access network equipment includes but is not limited to: trusted non-3GPP access gateway, trusted WLAN AP, switch, router.
  • Wired access network equipment includes but is not limited to: wireline access gateway, fixed-line telephone network equipment, switches, and routers.
  • the access network equipment and terminal equipment can be fixed or movable.
  • the access network equipment and terminal equipment can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on the water surface; they can also be deployed on airplanes, balloons and artificial satellites in the air.
  • the embodiments of the present application do not limit the application scenarios of the access network equipment and terminal equipment.
  • the AMF network element performs functions such as mobility management or access authentication/authorization. In addition, it is also responsible for transmitting user policies between terminal devices and PCF network elements.
  • the SMF network element includes functions such as performing session management, executing control policies issued by the PCF network element, selecting UPF network elements, or allocating Internet Protocol (IP) addresses to terminal devices.
  • functions such as performing session management, executing control policies issued by the PCF network element, selecting UPF network elements, or allocating Internet Protocol (IP) addresses to terminal devices.
  • IP Internet Protocol
  • UPF network element including the functions of completing user plane data forwarding, session/flow-level billing statistics, or bandwidth limitation.
  • UDM network element including execution and management of contract data, or user access authorization and other functions.
  • UDR includes functions for accessing data such as contract data, policy data, or application data.
  • NEF network element is used to support the opening of capabilities and events.
  • AF network elements transmit the requirements of the application side to the network side, such as QoS requirements or user status event subscriptions.
  • AF can be a third-party functional entity or an application service deployed by an operator, such as IP Multimedia Subsystem (IMS) voice call service.
  • IMS IP Multimedia Subsystem
  • AF network elements include AF network elements in the core network (i.e., AF network elements of operators) and third-party AF network elements (such as an enterprise's application server).
  • the PCF network element includes policy control functions such as billing for sessions and service flow levels, QoS bandwidth guarantee and mobility management, or terminal device policy decision-making.
  • PCF network elements include access and mobility management policy control function (AM PCF) network elements and session management policy control function (SM PCF) network elements.
  • AM PCF access and mobility management policy control function
  • SM PCF session management policy control function
  • the AM PCF network element is used to formulate AM policies and user policies for terminal devices.
  • the AM PCF network element can also be called a policy control network element that provides services for terminal devices (PCF for a UE).
  • the SM PCF network element is used to formulate session management policies (session management policies, SMpolicy) for sessions.
  • the SM PCF network element can also be called a policy control network element that provides services for protocol data unit (PDU) sessions ((PCF for a PDU session)).
  • PDU protocol data unit
  • NRF network elements can be used to provide network element discovery functions and provide network element information corresponding to the network element type based on requests from other network elements. NRF network elements also provide network element management services, such as network element registration, update, deregistration, or network element status subscription and push.
  • the AUSF network element is responsible for authenticating users to determine whether users or devices are allowed to access the network.
  • the terminal device is UE as an example for illustration.
  • Npcf, Nudr, Nudm, Naf, Namf, and Nsmf are service-oriented interfaces provided by the above PCF, UDR, UDM, AF, AMF, and SMF, respectively, for invoking corresponding service-oriented operations.
  • N1, N2, N3, N4, and N6 are interface serial numbers, and the meanings of these interface serial numbers are as follows:
  • N1 The interface between the AMF network element and the terminal device, which can be used to transmit non-access stratum (NAS) signaling (such as QoS rules from the AMF network element) to the terminal device.
  • NAS non-access stratum
  • N2 The interface between the AMF network element and the access network equipment, which can be used to transmit wireless bearer control information from the core network side to the access network equipment.
  • N3 The interface between the access network equipment and the UPF network element, mainly used to transmit uplink and downlink traffic between the access network equipment and the UPF network element. Account data.
  • N4 The interface between the SMF network element and the UPF network element can be used to transmit information between the control plane and the user plane, including controlling the issuance of forwarding rules, QoS rules, traffic statistics rules, etc. for the user plane and reporting information on the user plane.
  • N6 The interface between UPF network element and DN, used to transmit the uplink and downlink user data flows between UPF network element and DN.
  • Figure 2(c) is a schematic diagram of the non-standalone (NSA) architecture.
  • the current 3GPP standard also defines the NSA architecture.
  • SA 5G standalone
  • the terminal device directly accesses the 5G core network through the 5G access network device (such as 5G base station)
  • the terminal device accesses the 4G core network (ie, EPC) through the 4G access network device (such as 4G base station).
  • EPC 4G core network
  • the 4G access network device can decide whether to insert the 5G NR branch to enjoy the large bandwidth and low latency services supported by the 5G access network device.
  • the terminal device is UE as an example for illustration.
  • the above network element or function 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 above network element or function can be implemented by one device, or by multiple devices, or a functional module in one device, which is not specifically limited in the embodiments of the present application.
  • FIG. 3 is a flow chart of a communication method provided in an embodiment of the present application.
  • the method is executed by a policy network element or a chip for a policy network element, and a mobility management network element or a chip for a mobility management network element.
  • the following is an example of the execution of the method by a policy network element and a mobility management network element.
  • the policy network element is a PCRF network element
  • the mobility management network element is an MME.
  • the policy network element is a PCF network element
  • the mobility management network element is an AMF network element.
  • the method comprises the following steps:
  • Step 301 the policy network element obtains the network identity (NI) of the terminal device.
  • the network identifier can be the full name or abbreviation of the operator's network identifier, or the full name or abbreviation of the operator's network identifier + the package name.
  • the network identity may be included in a network identity & time zone (NITZ).
  • NITZ includes not only the network identity but also the time zone.
  • the time zone refers to the local time zone information or global time of the area where the terminal device is currently located.
  • the policy network element i.e., PCRF network element
  • the policy network element also receives indication information from PGW, and the indication information indicates that MME, SGW, and PGW all have the ability to forward the network identifier.
  • step 301 is specifically as follows: the PCRF network element obtains the network identifier of the terminal device according to the indication information. That is, when the PCRF network element determines that the network identifier can be forwarded through MME, SGW, and PGW, it obtains the network identifier, and subsequently the network identifier can be forwarded to the terminal device through MME, SGW, and PGW. Therefore, if the PCRF network element learns that at least one of the MME, SGW, or PGW does not have the ability to forward the network identifier, step 301 and subsequent steps may not be performed.
  • the policy network element i.e., PCF network element
  • the policy network element also receives indication information from the AMF network element, and the indication information indicates that the AMF network element has the ability to forward the network identifier.
  • step 301 is specifically as follows: the PCF network element obtains the network identifier of the terminal device according to the indication information. That is, when the PCF network element determines that the network identifier can be forwarded through the AMF network element, it obtains the network identifier, and subsequently the network identifier can be forwarded to the terminal device through the AMF network element. Therefore, if the PCF network element learns that the AMF does not have the ability to forward the network identifier, step 301 and subsequent steps may not be performed.
  • the policy network element may obtain the network identifier from user subscription information or local configuration information of the terminal device.
  • Step 302 When the validity condition of the network identifier is met, the policy network element sends the network identifier to the mobility management network element. Correspondingly, the mobility management network element receives the network identifier.
  • the validity condition includes but is not limited to at least one of the following: a valid time range, a valid access location, or a valid access standard.
  • the policy network element when the current time is included in the effective time range, the policy network element sends the network identifier to the mobility management network element. For example, if the current time is August 8, 2023, and the effective time range is from January 1, 2023 to December 31, 2023, the effective condition of the network identifier is met, so the policy network element sends the network identifier to the mobility management network element.
  • the policy network element when the location of the terminal device is included in the effective access location, the policy network element sends the network identifier to the mobility management network element.
  • the location of the terminal device is location A
  • the effective access location is area B.
  • the effective condition of the network identifier is met, so the policy network element sends the network identifier to the mobility management network element.
  • the network identifier is sent by the element.
  • the policy network element sends the network identifier to the mobility management network element. For example, if the communication standard of the access network device accessed by the terminal device is 5G and the effective access standard is 5G, the effective condition of the network identifier is met, so the policy network element sends the network identifier to the mobility management network element.
  • the mobility management network element may send the network identifier to the terminal device through the access network device, and the terminal device may display the network identifier on the display screen, so that the user can see the network identifier on the display screen.
  • the policy network element can dynamically obtain the network identifier of the terminal device and send the network identifier to the mobility management network element when the effectiveness conditions are met, so that the mobility management network element can send the network identifier to the terminal device, and then the terminal device can display the network identifier on the display screen, thereby improving the user experience.
  • Figure 3 is described below in conjunction with two specific examples of Figures 4 and 5.
  • Figure 4 is an example under the 4G architecture
  • Figure 5 is an example under the 5G architecture.
  • FIG4 is a flow chart of a communication method provided in an embodiment of the present application. The method comprises the following steps:
  • Step 400 The terminal device initiates network registration.
  • Step 401 MME sends a create session request to SGW.
  • SGW receives the create session request.
  • the session establishment request carries indication information, where the indication information is used to indicate that the MME has the capability of forwarding the network identifier.
  • the request to establish a session also includes the location of the terminal device and/or the communication standard of the access network device accessed by the terminal device.
  • Step 402 SGW sends a credit control request (CCR) to PGW.
  • PGW receives the CCR.
  • the SGW has the capability of forwarding the network identifier and the SGW receives indication information indicating that the MME has the capability of forwarding the network identifier
  • the CCR carries indication information, and the indication information is used to indicate that the MME and the SGW have the capability of forwarding the network identifier.
  • the CCR also includes the location of the terminal device and/or the communication standard of the access network device accessed by the terminal device.
  • Step 403 PGW sends CCR to PCRF.
  • PCRF receives CCR.
  • the CCR carries indication information indicating that the MME, SGW and PGW all have the capability to forward the network identifier.
  • the CCR also includes the location of the terminal device and/or the communication standard of the access network device accessed by the terminal device.
  • Step 404 PCRF obtains the network identification of the terminal device.
  • the PCRF obtains the network identifier of the terminal device based on the indication information.
  • the PCRF can independently decide whether to send the network identifier. If the PCRF decides that the network identifier needs to be sent, the network identifier is obtained.
  • Step 405 PCRF sends a credit control answer (CCA) to PGW.
  • CCA credit control answer
  • the network identifier is carried in the CCA.
  • the network identifier is carried in the CCA.
  • Step 406 PGW sends CCA to SGW.
  • SGW receives CCA.
  • step 407 the SGW sends a create session response to the MME.
  • the MME receives the create session response.
  • the session establishment response carries the network identifier.
  • Step 408 The terminal device completes registration.
  • Step 409 The MME sends a network identifier to the terminal device.
  • the terminal device receives the network identifier.
  • the MME receives the network identifier, it sends the network identifier to the terminal device through the 4G base station.
  • the MME may send a default network identifier to the terminal device.
  • step 409 is specifically as follows: the MME sends general packet radio service (GPRS) mobility management information (GMMinformation) to the terminal device, and the GMMinformation
  • GPRS general packet radio service
  • GMMinformation mobility management information
  • the NITZ contains the network identifier and time zone.
  • the PCRF network element can dynamically obtain the network identifier of the terminal device and send the network identifier to the MME when the effectiveness conditions are met, so that the MME can send the network identifier to the terminal device, and then the terminal device can display the network identifier on the display screen, thereby improving the user experience.
  • FIG5 is a flow chart of a communication method provided in an embodiment of the present application. The method comprises the following steps:
  • Step 500 The terminal device initiates network registration.
  • Step 501 AMF sends a mobility management policy establishment request (AM policy association create request) to PCF.
  • PCF receives the mobility management policy establishment request.
  • the mobility management policy establishment request carries indication information, and the indication information is used to indicate that the AMF has the ability to forward the network identifier.
  • the mobility management policy establishment request also includes the location of the terminal device and/or the communication standard of the access network device accessed by the terminal device.
  • Step 502 The PCF obtains the network identification of the terminal device.
  • the PCF obtains the network identifier of the terminal device based on the indication information.
  • the PCF can independently decide whether to send the network identifier. If the PCF decides that the network identifier needs to be sent, the network identifier is obtained.
  • step 503 the PCF sends an AM policy association create response to the AMF.
  • the AMF receives the AM policy association create response.
  • the mobility management policy establishment response carries the network identifier.
  • the specific implementation method of determining whether the validity condition is met reference may be made to the description of the embodiment in FIG. 3 .
  • Step 504 The terminal device completes registration.
  • Step 505 AMF sends the network identifier to the terminal device.
  • the terminal device receives the network identifier.
  • the AMF receives the network identifier, it sends the network identifier to the terminal device through the 5G access network device.
  • the AMF may send a default network identifier to the terminal device.
  • step 505 is specifically as follows: AMF sends a configuration update command (configuration update command) to the terminal device, which carries NITZ, and the NITZ includes a network identifier and a time zone.
  • AMF sends a configuration update command (configuration update command) to the terminal device, which carries NITZ, and the NITZ includes a network identifier and a time zone.
  • the PCF network element can dynamically obtain the network identifier of the terminal device and send the network identifier to the AMF when the effectiveness conditions are met, so that the AMF can send the network identifier to the terminal device, and then the terminal device can display the network identifier on the display screen, thereby improving the user experience.
  • Figure 6 is a flow chart of a communication method provided in an embodiment of the present application.
  • the method is executed by a policy network element or a chip for a policy network element, and a mobility management network element or a chip for a mobility management network element.
  • the following is an example of the execution of the method by a policy network element and a mobility management network element.
  • the policy network element is a PCRF network element
  • the mobility management network element is an MME.
  • the policy network element is a PCF network element
  • the mobility management network element is an AMF network element.
  • the method comprises the following steps:
  • Step 601 The policy network element obtains the network identification of the terminal device and the validity condition of the network identification.
  • the policy network element i.e., PCRF network element
  • the policy network element also receives indication information from PGW, and the indication information indicates that MME, SGW, and PGW all have the ability to forward the network identifier.
  • step 601 is specifically as follows: the PCRF network element obtains the network identifier of the terminal device and the validity condition of the network identifier according to the indication information.
  • the PCRF network element determines that the network identifier can be forwarded through MME, SGW, and PGW, it obtains the network identifier and the validity condition of the network identifier, and subsequently the network identifier and the validity condition of the network identifier can be forwarded to the terminal device through MME, SGW, and PGW. Therefore, if the PCRF network element learns that at least one of the MME, SGW, or PGW does not have the ability to forward the network identifier, step 601 and subsequent steps may not be performed.
  • the policy network element i.e., PCF network element
  • the policy network element also receives indication information from the AMF network element, which indicates that the AMF network element has the ability to forward the network identifier.
  • step 601 is specifically as follows: the PCF network element obtains the network identifier of the terminal device and the validity condition of the network identifier according to the indication information. That is, when the PCF network element determines that the network identifier can be forwarded through the AMF network element, it obtains the network identifier and the validity condition of the network identifier, and can subsequently forward the network identifier through the AMF network element.
  • the PCF network element forwards the network identifier and the validity conditions of the network identifier to the terminal device. Therefore, if the PCF network element learns that the AMF does not have the ability to forward the network identifier, step 601 and subsequent steps may not be performed.
  • the policy network element may obtain the network identifier and the validity condition of the network identifier from user subscription information or local configuration information of the terminal device.
  • Step 602 The policy network element sends the network identifier and the validity condition of the network identifier to the mobility management network element.
  • the mobility management network element receives the network identifier and the validity condition of the network identifier.
  • Step 603 When the validity condition of the network identifier is met, the mobility management network element sends the network identifier to the terminal device. Correspondingly, the terminal device receives the network identifier.
  • the network identifier can be sent to the terminal device through the access network device, and the terminal device can display the network identifier on the display screen, so that the user can see the network identifier on the display screen. If the mobility management network element determines that the validity conditions of the network identifier are not met or the network identifier is not received, a default network identifier can be sent to the terminal device.
  • the policy network element can dynamically obtain the network identification of the terminal device and the effectiveness conditions of the network identification, and send the network identification to the mobility management network element.
  • the mobility management network element determines that the effectiveness conditions of the network identification are met, the network identification can be sent to the terminal device, and then the terminal device can display the network identification on the display screen, thereby improving the user experience.
  • Figure 6 is described below in conjunction with two specific examples of Figures 7 and 8.
  • Figure 7 is an example under the 4G architecture
  • Figure 8 is an example under the 5G architecture.
  • FIG7 is a flow chart of a communication method provided in an embodiment of the present application. The method comprises the following steps:
  • Step 700 The terminal device initiates network registration.
  • Step 701 MME sends a session establishment request to SGW.
  • SGW receives the session establishment request.
  • the session establishment request carries indication information, where the indication information is used to indicate that the MME has the capability of forwarding the network identifier.
  • Step 702 SGW sends CCR to PGW.
  • PGW receives CCR.
  • the SGW has the capability of forwarding the network identifier and the SGW receives indication information indicating that the MME has the capability of forwarding the network identifier
  • the CCR carries indication information, and the indication information is used to indicate that the MME and the SGW have the capability of forwarding the network identifier.
  • Step 703 PGW sends CCR to PCRF.
  • PCRF receives CCR.
  • the CCR carries indication information indicating that the MME, SGW and PGW all have the capability to forward the network identifier.
  • Step 704 PCRF obtains the network identification of the terminal device and the validity condition of the network identification.
  • PCRF obtains the network identifier of the terminal device and the validity condition of the network identifier based on the indication information.
  • the PCRF can independently decide whether to send the network identifier. If the PCRF decides that the network identifier needs to be sent, the network identifier and the validity condition of the network identifier are obtained.
  • Step 705 PCRF sends CCA to PGW.
  • PGW receives CCA.
  • the CCA carries the network identifier and the conditions for the network identifier to take effect.
  • Step 706 PGW sends CCA to SGW.
  • SGW receives CCA.
  • the CCA carries the network identifier and the conditions for the network identifier to take effect.
  • Step 707 SGW sends a session establishment response to MME.
  • MME receives the session establishment response.
  • the session establishment response carries the network identifier and the conditions for the network identifier to take effect.
  • Step 708 The terminal device completes registration.
  • Step 709 The MME sends a network identifier to the terminal device.
  • the terminal device receives the network identifier.
  • the MME sends the network identifier to the terminal device.
  • the specific implementation method of determining whether the validation condition is met reference may be made to the description of the embodiment in FIG. 3 .
  • the MME may send a default network identifier to the terminal device.
  • step 709 is specifically as follows: MME sends GMM information to the terminal device, which carries NITZ, and the NITZ includes a network identifier and a time zone.
  • the PCRF network element can dynamically obtain the network identification of the terminal device and the validity conditions of the network identification, and send the network identification and the validity conditions of the network identification to the MME. If the MME determines that the validity conditions of the network identification are met, it will send the network identification to the terminal device, and then the terminal device can display the network identification on the display screen, thereby improving the user experience.
  • FIG8 is a flow chart of a communication method provided in an embodiment of the present application. The method comprises the following steps:
  • Step 800 The terminal device initiates network registration.
  • Step 801 AMF sends a mobility management policy establishment request to PCF.
  • PCF receives the mobility management policy establishment request.
  • the mobility management policy establishment request carries indication information, and the indication information is used to indicate that the AMF has the ability to forward the network identifier.
  • Step 802 The PCF obtains the network identification of the terminal device and the validity condition of the network identification.
  • the PCF obtains the network identifier of the terminal device and the effectiveness conditions of the network identifier based on the indication information.
  • the PCF can independently decide whether to send the network identifier. If the PCF decides that the network identifier needs to be sent, the network identifier and the validity condition of the network identifier are obtained.
  • Step 803 PCF sends a mobility management policy establishment response to AMF.
  • AMF receives the mobility management policy establishment response.
  • the mobility management policy establishment response carries the network identifier and the validity condition of the network identifier.
  • Step 804 The terminal device completes registration.
  • Step 805 AMF sends the network identifier to the terminal device.
  • the terminal device receives the network identifier.
  • the AMF sends a network identifier to the terminal device.
  • the AMF sends a network identifier to the terminal device.
  • the AMF can send a default network identifier to the terminal device.
  • step 805 is specifically as follows: AMF sends a configuration update command to the terminal device, which carries NITZ, and the NITZ includes a network identifier and a time zone.
  • the PCF network element can dynamically obtain the network identification of the terminal device and the validity conditions of the network identification, and send the network identification and the validity conditions of the network identification to the AMF. If the AMF determines that the validity conditions of the network identification are met, it will send the network identification to the terminal device, and then the terminal device can display the network identification on the display screen, thereby improving the user experience.
  • FIG9 is a flow chart of a communication method provided in an embodiment of the present application.
  • the method is executed by a PCRF network element or a chip for a PCRF network element, and an MME or a chip for an MME.
  • the following is an example of the PCRF network element and the MME executing the method.
  • This embodiment is applicable to the NSA architecture shown in FIG2(c).
  • the method comprises the following steps:
  • Step 901 The PCRF network element obtains resource scheduling information for the terminal device.
  • the resource scheduling information is used to indicate the resource scheduling or allocation method.
  • the resource scheduling information is a radio access technology (RAT) spectrum selection priority (RAT/frequency selection priority, RFSP) or a service profile identifier (service profile identifier, SPID).
  • RAT radio access technology
  • RFSP radio access technology spectrum selection priority
  • SPID service profile identifier
  • step 901 the PCRF network element also receives indication information from the PGW, and the indication information indicates that the MME, SGW, and PGW all have the ability to forward resource scheduling information.
  • step 901 is specifically as follows: the PCRF network element obtains resource scheduling information for the terminal device according to the indication information. That is, when the PCRF network element determines that the resource scheduling information can be forwarded through the MME, SGW, and PGW, it obtains the resource scheduling information, and subsequently the resource scheduling information can be forwarded to the access network device to which the terminal device accesses through the MME, SGW, and PGW. Therefore, if the PCRF network element learns that at least one of the MME, SGW, or PGW does not have the ability to forward resource scheduling information, step 901 and subsequent steps may not be performed.
  • the PCRF network element may obtain resource scheduling information from user subscription information or local configuration information of the terminal device.
  • Step 902 When the validity condition of the resource scheduling information is met, the PCRF network element sends the resource scheduling information to the MME. Correspondingly, the MME receives the resource scheduling information.
  • the PCRF network element does not send the resource scheduling information to the MME.
  • the validity condition includes but is not limited to at least one of the following: a valid time range, a valid access location, or a valid access standard.
  • the PCRF network element when the current time is included in the effective time range, the PCRF network element sends the resource scheduling information to the MME. For example, if the current time is August 8, 2023, and the effective time range is from January 1, 2023 to December 31, 2023, the effective condition of the resource scheduling information is met, so the PCRF network element sends the resource scheduling information to the MME.
  • the PCRF network element sends the resource scheduling information to the MME.
  • the location of the terminal device is location A
  • the valid access location is area B.
  • the validity condition of the resource scheduling information is met, so the PCRF network element sends the resource scheduling information to the MME.
  • the effective condition includes the effective access standard
  • the PCRF network element sends the resource scheduling information to the MME.
  • the communication standard of the access network device accessed by the terminal device is 5G and the effective access standard is 5G
  • the effective condition of the resource scheduling information is met, so the PCRF network element sends the resource scheduling information to the MME.
  • the MME After receiving the resource scheduling information for the terminal device, the MME sends the resource scheduling information to the 5G access network device.
  • the 5G access network device dynamically schedules or allocates resources for the terminal device based on the resource scheduling information.
  • the PCRF network element can dynamically obtain the resource scheduling information for the terminal device, and send the resource scheduling information to the MME when the effectiveness conditions are met, so that the MME can send the resource scheduling information to the 5G access network device to which the terminal device accesses.
  • the 5G access network device dynamically schedules or allocates resources for the terminal device based on the resource scheduling information, and realizes differentiated wireless resource allocation and scheduling for different terminal devices, thereby improving the user experience.
  • FIG. 9 The embodiment of FIG. 9 is described below in conjunction with the specific example of FIG. 10 .
  • FIG10 is a flow chart of a communication method provided in an embodiment of the present application. The method comprises the following steps:
  • Step 1000 The terminal device initiates network registration.
  • Step 1001 MME sends a session establishment request to SGW.
  • SGW receives the session establishment request.
  • the session establishment request carries indication information, where the indication information is used to indicate that the MME has the capability of forwarding resource scheduling information.
  • the request to establish a session also includes the location of the terminal device and/or the communication standard of the access network device accessed by the terminal device.
  • Step 1002 SGW sends CCR to PGW.
  • PGW receives CCR.
  • the SGW has the capability to forward resource scheduling information and the SGW receives indication information indicating that the MME has the capability to forward resource scheduling information
  • the CCR carries indication information
  • the indication information is used to indicate that the MME and the SGW have the capability to forward resource scheduling information.
  • the CCR also includes the location of the terminal device and/or the communication standard of the access network device accessed by the terminal device.
  • Step 1003 PGW sends CCR to PCRF.
  • PCRF receives CCR.
  • the CCR carries indication information, which is used to indicate that the MME, SGW and PGW all have the ability to forward resource scheduling information.
  • the CCR also includes the location of the terminal device and/or the communication standard of the access network device accessed by the terminal device.
  • Step 1004 PCRF obtains resource scheduling information for the terminal device.
  • the PCRF obtains the resource scheduling information of the terminal device based on the indication information.
  • the PCRF can independently decide whether to send the resource scheduling information. If the PCRF decides that the resource scheduling information needs to be sent, the resource scheduling information is obtained.
  • Step 1005 PCRF sends CCA to PGW.
  • PGW receives CCA.
  • the CCA carries the resource scheduling information.
  • the CCA carries the resource scheduling information.
  • Step 1006 PGW sends CCA to SGW.
  • SGW receives CCA.
  • Step 1007 SGW sends a session establishment response to MME.
  • MME receives the session establishment response.
  • the session establishment response carries the resource scheduling information.
  • Step 1008 The MME sends resource scheduling information to the 5G access network device (such as a 5G base station) to which the terminal device accesses.
  • the 5G access network device receives the resource scheduling information.
  • the MME can send the resource scheduling information to the 5G access network device.
  • the MME may send default resource scheduling information to the 5G access network device.
  • step 1008 is specifically as follows: MME sends an initialization context setup request (INITIAL CONTEXT SETUP REQUEST) message, a downlink NAS transport (Downlink NAS Transport) message or a UE context modification request (UE Context Modification Request) message to the 5G access network device, which carries resource scheduling information.
  • initialization context setup request INITIAL CONTEXT SETUP REQUEST
  • downlink NAS transport Downlink NAS Transport
  • UE context modification request UE Context Modification Request
  • the PCRF network element can dynamically obtain the resource scheduling information for the terminal device, and send the resource scheduling information to the MME when the effectiveness conditions are met, so that the MME can send the resource scheduling information to the 5G access network device to which the terminal device accesses.
  • the 5G access network device dynamically schedules or allocates resources for the terminal device based on the resource scheduling information, and realizes differentiated wireless resource allocation and scheduling for different terminal devices, thereby improving the user experience.
  • FIG11 is a flow chart of a communication method provided in an embodiment of the present application.
  • the method is executed by a PCRF network element or a chip for a PCRF network element, and an MME or a chip for an MME.
  • the following is an example of the PCRF network element and the MME executing the method.
  • the method includes the following steps:
  • Step 1101 The PCRF network element obtains resource scheduling information for a terminal device and a validation condition of the resource scheduling information.
  • step 1101 the PCRF network element also receives indication information from the PGW, and the indication information indicates that the MME, SGW, and PGW all have the ability to forward resource scheduling information.
  • step 1101 is specifically as follows: the PCRF network element obtains the resource scheduling information and the conditions for the resource scheduling information to be effective for the terminal device according to the indication information. That is, when the PCRF network element determines that the resource scheduling information can be forwarded through the MME, SGW, and PGW, it obtains the resource scheduling information and the conditions for the resource scheduling information to be effective.
  • the resource scheduling information and the conditions for the resource scheduling information to be effective can be forwarded to the access network device to which the terminal device accesses through the MME, SGW, and PGW. Therefore, if the PCRF network element learns that at least one of the MME, SGW, or PGW does not have the ability to forward resource scheduling information, step 1101 and subsequent steps may not be performed.
  • the PCRF network element may obtain the resource scheduling information and the validity conditions of the resource scheduling information from the user subscription information or local configuration information of the terminal device.
  • Step 1102 The PCRF network element sends the resource scheduling information and the validity conditions of the resource scheduling information to the MME.
  • the MME receives the resource scheduling information and the validity conditions of the resource scheduling information.
  • Step 1103 When the validity condition of the resource scheduling information is met, the MME sends the resource scheduling information to the access network device to which the terminal device accesses. Correspondingly, the access network device receives the resource scheduling information.
  • the MME can send the resource scheduling information to the 5G access network device to which the terminal device accesses.
  • the 5G access network device dynamically schedules or allocates resources for the terminal device based on the resource scheduling information, thereby improving the user experience.
  • the PCRF network element can dynamically obtain the resource scheduling information of the terminal device and the conditions for the resource scheduling information to take effect, and send the resource scheduling information and the conditions for the resource scheduling information to the MME.
  • the MME determines that the conditions for the resource scheduling information to take effect are met, the MME sends the resource scheduling information to the 5G access network device to which the terminal device accesses.
  • the 5G access network device dynamically schedules or allocates resources for the terminal device based on the resource scheduling information, and implements differentiated wireless resource allocation and scheduling for different terminal devices, thereby improving the user experience.
  • FIG. 11 The embodiment of FIG. 11 is described below in conjunction with the specific example of FIG. 12 .
  • FIG12 is a flow chart of a communication method provided in an embodiment of the present application. The method comprises the following steps:
  • Step 1200 The terminal device initiates network registration.
  • Step 1202 SGW sends CCR to PGW.
  • PGW receives CCR.
  • the SGW has the capability to forward resource scheduling information and the SGW receives indication information indicating that the MME has the capability to forward resource scheduling information
  • the CCR carries indication information
  • the indication information is used to indicate that the MME and the SGW have the capability to forward resource scheduling information.
  • Step 1203 PGW sends CCR to PCRF.
  • PCRF receives CCR.
  • Step 1204 PCRF obtains resource scheduling information for the terminal device and the validity conditions of the resource scheduling information.
  • the PCRF can independently decide whether to send the resource scheduling information. If the PCRF decides that the resource scheduling information needs to be sent, the resource scheduling information and the validity conditions of the resource scheduling information are obtained.
  • Step 1205 PCRF sends CCA to PGW.
  • PGW receives CCA.
  • the CCA carries resource scheduling information and the conditions under which the resource scheduling information takes effect.
  • Step 1206 PGW sends CCA to SGW.
  • SGW receives CCA.
  • the CCA carries resource scheduling information and the conditions under which the resource scheduling information takes effect.
  • Step 1207 SGW sends a session establishment response to MME.
  • MME receives the session establishment response.
  • the session establishment response carries resource scheduling information and the conditions under which the resource scheduling information takes effect.
  • Step 1208 The MME sends resource scheduling information to the 5G access network device (such as a 5G base station) to which the terminal device accesses.
  • the 5G access network device receives the resource scheduling information.
  • the MME when the validation conditions are met, the MME sends resource scheduling information to the 5G access network device.
  • the specific implementation method of determining whether the validation conditions are met reference may be made to the description of the embodiment of FIG. 9 .
  • the MME may send default resource scheduling information to the 5G access network device.
  • step 1208 is specifically as follows: the MME sends an initialization context setup request message, a downlink NAS transmission message or a UE context modification request message to the 5G access network device, which carries resource scheduling information.
  • the PCRF network element can dynamically obtain the resource scheduling information of the terminal device and the conditions for the resource scheduling information to take effect, and send the resource scheduling information and the conditions for the resource scheduling information to the MME.
  • the MME determines that the conditions for the resource scheduling information to take effect are met, the MME sends the resource scheduling information to the 5G access network device to which the terminal device accesses.
  • the 5G access network device dynamically schedules or allocates resources for the terminal device based on the resource scheduling information, and implements differentiated wireless resource allocation and scheduling for different terminal devices, thereby improving the user experience.
  • the policy network element such as PCF network element or PCRF network element
  • the mobility management network element such as AMF network element or MME
  • the policy network element includes hardware structures and/or software modules corresponding to the execution of each function.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application scenario and design constraints of the technical solution.
  • Figures 13 and 14 are schematic diagrams of the structures of possible communication devices provided by the embodiments of the present application. These communication devices can be used to implement the functions of the policy network element or the mobility management network element in the above method embodiments, and thus can also achieve the beneficial effects possessed by the above method embodiments.
  • the communication device can be a policy network element or a mobility management network element, or a module (such as a chip) applied to a policy network element or a mobility management network element.
  • the communication device 1300 shown in Fig. 13 includes a processing unit 1310 and a transceiver unit 1320.
  • the communication device 1300 is used to implement the functions of the policy network element or the mobility management network element in the method embodiments shown in Figs. 3 to 12 above.
  • the processing unit 1310 is used to obtain the network identifier of the terminal device; the transceiver unit 1320 is used to send the network identifier to the mobility management network element when the effectiveness conditions of the network identifier are met.
  • the mobility management network element is an AMF network element
  • the transceiver unit 1320 is also used to receive indication information from the AMF network element before obtaining the network identification of the terminal device, and the indication information indicates that the AMF network element has the ability to forward the network identification
  • the processing unit 1310 is used to obtain the network identification of the terminal device, specifically including: being used to obtain the network identification of the terminal device according to the indication information.
  • the mobility management network element is an MME; the transceiver unit 1320 is also used to obtain the terminal device Before the network identification, an indication message is received from the PGW, and the indication message indicates that the MME, SGW and the PGW all have the ability to forward the network identification; the processing unit 1310 is used to obtain the network identification of the terminal device, specifically including: obtaining the network identification of the terminal device according to the indication information.
  • the processing unit 1310 is used to obtain the network identifier of the terminal device, specifically including: obtaining the network identifier from the user contract information of the terminal device; or obtaining the network identifier from local configuration information.
  • the transceiver unit 1320 is used to send the network identifier to the mobility management network element when the effectiveness condition of the network identifier is met, specifically including: the effectiveness condition includes an effective time range, and when the current time is included in the effective time range, the network identifier is sent to the mobility management network element; or, the effectiveness condition includes an effective access location, and when the location of the terminal device is included in the effective access location, the network identifier is sent to the mobility management network element; or, the effectiveness condition includes an effective access standard, and when the communication standard of the access network device accessed by the terminal device is included in the effective access standard, the network identifier is sent to the mobility management network element.
  • the transceiver unit 1320 is used to receive the network identifier of the terminal device and the effectiveness condition of the network identifier from the policy network element; when the effectiveness condition of the network identifier is met, the network identifier is sent to the terminal device.
  • the mobility management network element such as an AMF network element or MME
  • the transceiver unit 1320 is also used to send indication information to the policy network element before receiving the network identification of the terminal device and the effectiveness condition of the network identification from the policy network element, and the indication information indicates the ability to forward the network identification.
  • the transceiver unit 1320 is used to send the network identifier to the terminal device when the effectiveness condition of the network identifier is met, specifically including: the effectiveness condition includes an effective time range, and when the current time is included in the effective time range, the network identifier is sent to the terminal device; or, the effectiveness condition includes an effective access location, and when the location of the terminal device is included in the effective access location, the network identifier is sent to the terminal device; or, the effectiveness condition includes an effective access standard, and when the communication standard of the access network device accessed by the terminal device is included in the effective access standard, the network identifier is sent to the terminal device.
  • the processing unit 1310 is used to obtain the network identifier of the terminal device and the effectiveness condition of the network identifier; the transceiver unit 1320 is used to send the network identifier and the effectiveness condition to the mobility management network element, and the effectiveness condition is used to trigger the mobility management network element to send the network identifier to the terminal device when the effectiveness condition of the network identifier is met.
  • the mobility management network element is an AMF network element
  • the transceiver unit 1320 is also used to receive indication information from the AMF network element before obtaining the network identification of the terminal device and the effectiveness condition of the network identification, and the indication information indicates that the AMF network element has the ability to forward the network identification
  • the processing unit 1310 is used to obtain the network identification of the terminal device and the effectiveness condition of the network identification, specifically including: obtaining the network identification of the terminal device and the effectiveness condition of the network identification according to the indication information.
  • the mobility management network element is MME;
  • the transceiver unit 1320 is also used to receive indication information from PGW before obtaining the network identification of the terminal device and the effectiveness condition of the network identification, and the indication information indicates that the MME, SGW and PGW all have the ability to forward the network identification;
  • the processing unit 1310 is used to obtain the network identification of the terminal device and the effectiveness condition of the network identification, specifically including: obtaining the network identification of the terminal device and the effectiveness condition of the network identification according to the indication information.
  • the processing unit 1310 is used to obtain the network identification of the terminal device and the effectiveness condition of the network identification, specifically including: obtaining the network identification and the effectiveness condition of the network identification from the user contract information of the terminal device; or obtaining the network identification and the effectiveness condition of the network identification from local configuration information.
  • the processing unit 1310 is used to obtain resource scheduling information for the terminal device; the transceiver unit 1320 is used to send the resource scheduling information to the MME when the effectiveness condition of the resource scheduling information is met.
  • the communication device 1400 shown in FIG14 includes a processor 1410 and an interface circuit 1420.
  • the processor 1410 and the interface circuit 1420 are coupled to each other.
  • the interface circuit 1420 can be a transceiver or an input-output interface.
  • the communication device 1400 may also include a memory 1430 for storing instructions executed by the processor 1410 or storing input data required by the processor 1410 to execute instructions or storing data generated after the processor 1410 executes instructions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande concerne un procédé de communication, un appareil de communication et un système de communication. Le procédé comprend les étapes dans lesquelles : un élément de réseau de politique acquiert de manière dynamique un identifiant de réseau d'un dispositif terminal, et lorsqu'une condition d'entrée en vigueur est satisfaite, envoie l'identifiant de réseau à un élément de réseau de gestion de mobilité. De cette manière, l'élément de réseau de gestion de mobilité peut envoyer l'identifiant de réseau au dispositif terminal, puis le dispositif terminal peut afficher l'identifiant de réseau sur un écran d'affichage. Par conséquent, l'expérience utilisateur est améliorée.
PCT/CN2024/091290 2023-09-06 2024-05-06 Procédé de communication, appareil de communication et système de communication Pending WO2025050676A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202311148424.8A CN119584101A (zh) 2023-09-06 2023-09-06 通信方法、通信装置及通信系统
CN202311148424.8 2023-09-06

Publications (1)

Publication Number Publication Date
WO2025050676A1 true WO2025050676A1 (fr) 2025-03-13

Family

ID=94811447

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2024/091290 Pending WO2025050676A1 (fr) 2023-09-06 2024-05-06 Procédé de communication, appareil de communication et système de communication

Country Status (2)

Country Link
CN (1) CN119584101A (fr)
WO (1) WO2025050676A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013053896A1 (fr) * 2011-10-14 2013-04-18 Telefonaktiebolaget L M Ericsson (Publ) Communication entre mme/s4-sgsn et pcrf
CN108260118A (zh) * 2016-12-29 2018-07-06 中国移动通信集团浙江有限公司 一种选网策略的处理方法、pcrf、mme及系统
CN111083688A (zh) * 2019-12-19 2020-04-28 中国移动通信集团江苏有限公司 用户设备驻留方法、装置、设备及存储介质
CN116319131A (zh) * 2021-12-08 2023-06-23 华为技术有限公司 一种网络接入的方法和通信装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013053896A1 (fr) * 2011-10-14 2013-04-18 Telefonaktiebolaget L M Ericsson (Publ) Communication entre mme/s4-sgsn et pcrf
CN108260118A (zh) * 2016-12-29 2018-07-06 中国移动通信集团浙江有限公司 一种选网策略的处理方法、pcrf、mme及系统
CN111083688A (zh) * 2019-12-19 2020-04-28 中国移动通信集团江苏有限公司 用户设备驻留方法、装置、设备及存储介质
CN116319131A (zh) * 2021-12-08 2023-06-23 华为技术有限公司 一种网络接入的方法和通信装置

Also Published As

Publication number Publication date
CN119584101A (zh) 2025-03-07

Similar Documents

Publication Publication Date Title
JP2023506462A (ja) ネットワークスライスの制御
WO2023020046A1 (fr) Procédé de communication et appareil de communication
CN115915196A (zh) 一种链路状态检测方法、通信装置及通信系统
US11606303B1 (en) Device initiated quality of service
CN117082527A (zh) 通信方法、通信装置及通信系统
WO2023050781A1 (fr) Procédé de communication et appareil de communication
WO2024208017A1 (fr) Procédé de communication, appareil de communication et système de communication
WO2023207958A1 (fr) Procédé de transmission de politique, et appareil et système de communication
WO2025050676A1 (fr) Procédé de communication, appareil de communication et système de communication
CN115955716A (zh) 数据收集方法、通信装置及通信系统
WO2025081940A1 (fr) Procédé de communication, appareil de communication et système de communication
WO2025145751A1 (fr) Procédé de communication, appareil de communication et système de communication
WO2025102808A1 (fr) Procédé de communication, appareil de communication et système de communication
WO2024152897A1 (fr) Procédé de détermination d'informations sur une zone d'interférence, appareil et système de communication
WO2025161525A1 (fr) Procédé de communication et appareil de communication
WO2025113218A1 (fr) Procédé de communication, appareil de communication et système de communication
WO2025086786A1 (fr) Procédé de communication, appareil de communication et système de communication
WO2025065568A1 (fr) Procédé de gestion de tâche, appareil de communication et système de communication
WO2023082858A1 (fr) Procédé de détermination de politique de gestion de mobilité, appareil de communication et système de communication
WO2025241968A1 (fr) Procédé de gestion de service akma et appareil de communication
WO2024078305A1 (fr) Procédé de communication, appareil de communication, et système de communication
WO2025209383A1 (fr) Procédé de communication, appareil de communication, et système de communication
WO2025237114A1 (fr) Procédé de communication, appareil de communication et système de communication
WO2023197737A1 (fr) Procédé d'envoi de message, procédé de gestion de pin, appareil de communication et système de communication
WO2025086788A1 (fr) Procédé de communication, appareil de communication et système de communication

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: 24861525

Country of ref document: EP

Kind code of ref document: A1