CN115669185A - Data transmission method, device and storage medium - Google Patents

Data transmission method, device and storage medium Download PDF

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Publication number
CN115669185A
CN115669185A CN202080101507.XA CN202080101507A CN115669185A CN 115669185 A CN115669185 A CN 115669185A CN 202080101507 A CN202080101507 A CN 202080101507A CN 115669185 A CN115669185 A CN 115669185A
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China
Prior art keywords
information
network element
relay
ursp
pcf network
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CN202080101507.XA
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Chinese (zh)
Inventor
刘建华
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0894—Policy-based network configuration management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/80—Ingress point selection by the source endpoint, e.g. selection of ISP or POP
    • H04L45/85—Selection among different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user

Abstract

An embodiment of the application provides a data transmission method, a device and a storage medium, wherein the method comprises the following steps: the remote device sends the information of the remote device to the PCF network element of the core network through the relay device, the PCF network element generates URSP information according to the information of the remote device, and the PCF network element sends the URSP information to the remote device through the relay device, so that the remote device establishes PDU session of the relay service according to the URSP information. The method enables the remote equipment out of the network coverage range to be connected with the network through the relay equipment, and establishes the PDU session according to the URSP information issued by the network, thereby improving the data transmission efficiency.

Description

Data transmission method, device and storage medium Technical Field
The present application relates to the field of communications technologies, and in particular, to a data transmission method, device, and storage medium.
Background
In the latest 3GPP protocols, the concept of user equipment routing policy (URSP) is defined to determine whether a detected application can be associated with an established protocol data unit, PDU, session, can be offloaded to non-3GPP access outside of the PDU session, or can trigger the establishment of a new PDU session.
At present, the user equipment obtains the URSP information that the equipment needs to follow from the policy control function PCF network element of the core network and provides it to the user equipment, which can route the data to be sent by the application according to the URSP information.
Disclosure of Invention
The embodiment of the application provides a data transmission method, equipment and a storage medium, and realizes a technical scheme that a remote device acquires a session establishment rule configured by a network through a relay device to establish a relay service session.
In a first aspect, an embodiment of the present application provides a data transmission method, including: a policy control function PCF network element generates URSP information of a user equipment routing policy, wherein the URSP information is used for indicating a session establishment policy of a relay service; and the PCF network element sends the URSP information to the remote equipment through the relay equipment.
In a second aspect, an embodiment of the present application provides a data transmission method, including: the method comprises the steps that relay equipment receives user equipment routing selection strategy URSP information sent by a strategy control function PCF network element, wherein the URSP information is used for indicating a session establishment strategy of relay service; and the relay equipment sends the URSP information to remote equipment.
In a third aspect, an embodiment of the present application provides a data transmission method, including: the remote device receives URSP information of a user equipment routing strategy sent by a PCF network element, wherein the URSP information is used for indicating a session establishment strategy of the relay service; and the remote equipment establishes a session according to the URSP information.
In a fourth aspect, an embodiment of the present application provides a network device, including: a processing module, configured to generate URSP information of a UE routing policy, where the URSP information is used to indicate a session establishment policy of a relay service; and the sending module is used for sending the URSP information to the remote equipment through the relay equipment.
In a fifth aspect, an embodiment of the present application provides a relay device, including: a receiving module, configured to receive URSP information of a user equipment routing policy sent by a policy control function PCF network element, where the URSP information is used to indicate a session establishment policy of a relay service; and the sending module is used for sending the URSP information to the remote equipment.
In a sixth aspect, an embodiment of the present application provides a remote device, including: a receiving module, configured to receive URSP information of a user equipment routing policy sent by a policy control function PCF network element, where the URSP information is used to indicate a session establishment policy of a relay service; and the processing module is used for establishing a session according to the URSP information.
In a seventh aspect, an embodiment of the present application provides a network device, including: a memory for storing a computer program and a processor for calling and running the computer program from the memory, such that the processor runs the computer program to perform the method of any of the first aspects.
In an eighth aspect, an embodiment of the present application provides a relay device, including: a memory for storing a computer program and a processor for calling and executing the computer program from the memory, such that the processor executes the computer program to perform the method of any of the second aspects.
In a ninth aspect, an embodiment of the present application provides a remote device, including: a memory for storing a computer program and a processor for calling and running the computer program from the memory, such that the processor runs the computer program to perform the method of any of the third aspects.
In a tenth aspect, an embodiment of the present application provides a storage medium, which includes a computer program for implementing the method according to any one of the first aspect.
In an eleventh aspect, the present application provides a storage medium including a computer program for implementing the method according to any one of the second aspect.
In a twelfth aspect, an embodiment of the present application provides a storage medium, which includes a computer program, and the computer program is used to implement the method according to any one of the third aspects.
An embodiment of the application provides a data transmission method, a device and a storage medium, wherein the method comprises the following steps: the remote device sends the information of the remote device to the PCF network element of the core network through the relay device, the PCF network element generates URSP information according to the information of the remote device, and the PCF network element sends the URSP information to the remote device through the relay device, so that the remote device establishes PDU session of the relay service according to the URSP information. The method enables the remote equipment outside the network coverage to be connected with the network through the relay equipment, and establishes the PDU session according to the URSP information issued by the network, thereby improving the data transmission efficiency.
Drawings
Fig. 1 is a schematic diagram of a network architecture according to an embodiment of the present application;
fig. 2 is a schematic view of a scenario provided in an embodiment of the present application;
fig. 3 is a schematic view of a scenario provided in an embodiment of the present application;
fig. 4 is an interaction diagram of a data transmission method according to an embodiment of the present application;
fig. 5 is an interaction diagram of a data transmission method according to an embodiment of the present application;
fig. 6 is an interaction diagram of a data transmission method according to an embodiment of the present application;
fig. 7 is an interaction diagram of a data transmission method according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a network device according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of a network device according to an embodiment of the present application;
fig. 10 is a schematic structural diagram of a relay device according to an embodiment of the present application;
fig. 11 is a schematic structural diagram of a relay device according to an embodiment of the present application;
fig. 12 is a schematic structural diagram of a remote device according to an embodiment of the present application;
fig. 13 is a schematic structural diagram of a remote device according to an embodiment of the present application;
fig. 14 is a schematic hardware structure diagram of a network device according to an embodiment of the present application;
fig. 15 is a schematic hardware structure diagram of a relay device according to an embodiment of the present application;
fig. 16 is a schematic hardware structure diagram of a remote device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "comprises" and "comprising," and any variations thereof, in the description of the embodiments of the present application, the claims, and the drawings described above, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In order to better understand the data transmission method provided by the embodiment of the present application, a network architecture related to the embodiment of the present application is described below.
Fig. 1 is a schematic diagram of a network architecture according to an embodiment of the present application. As shown in fig. 1, the 5G network architecture promulgated by the 3GPP standards group includes: a terminal (UE), AN access network (including radio access network, RAN or access network, AN) supporting 3GPP technology, a User Plane Function (UPF) network element, AN access and mobility management function (AMF) network element, a Session Management Function (SMF) network element, a Policy Control Function (PCF) network element, AN Application Function (AF), and a data network (data network, DN).
Those skilled in the art will appreciate that the 5G network architecture shown in fig. 1 does not constitute a limitation to the 5G network architecture, and in particular implementation, the 5G network architecture may include more or less network elements than those shown, or some network elements may be combined, and the like. It should be understood that the AN or RAN is characterized in fig. 1 in the manner of AN (R) AN.
The terminal in the embodiment of the present application may be a User Equipment (UE), a handheld terminal, a notebook computer, a subscriber unit (subscriber unit), a cellular phone (cellular phone), a smart phone (smart phone), a wireless data card, a Personal Digital Assistant (PDA) computer, a tablet computer, a wireless modem (modem), a handheld device (handful), a laptop computer (laptop computer), a cordless phone (cordless phone), or a Wireless Local Loop (WLL) station, a Machine Type Communication (MTC) terminal, a handheld device with a wireless communication function, a computing device, a processing device connected to a wireless modem, a drone, a vehicle-mounted device, a wearable device, a terminal in the internet of things, a virtual device, a terminal device in a future 5G network, a public mobile network (PLMN) for future evolution, and the like.
The access network device in the embodiment of the present application is an access device in which a terminal accesses to the network architecture in a wireless manner, and is mainly responsible for radio resource management, quality of service (QoS) management, data compression, encryption, and the like on the air interface side. For example: a base station NodeB, an evolved base station eNodeB, a base station in a 5G mobile communication system or a new generation radio (NR) communication system, a base station in a future mobile communication system, etc.
The UPF network element, the AMF network element, the SMF network element and the PCF network element are network elements of a 3GPP core network (called core network elements for short). The UPF network element may be referred to as a user plane function network element and is mainly responsible for transmission of user data, and the other network elements may be referred to as a control plane function network element and are mainly responsible for authentication, registration management, session management, mobility management, policy control, and the like, so as to ensure reliable and stable transmission of user data.
The UPF network element may be used to forward and receive data of the terminal. For example, the UPF network element may receive service data from a data network, and transmit the service data to the terminal through the access network device; the UPF network element may also receive user data from the terminal via the access network device and forward it to the data network. The transmission resource allocated and scheduled by the UPF network element for the terminal is managed and controlled by the SMF network element. The bearer between the terminal and the UPF network element may include: the user plane connection between the UPF network element and the access network equipment, and the channel establishment between the access network equipment and the terminal. The user plane connection is a quality of service (QoS) flow (flow) that can establish transmission data between the UPF network element and the access network device.
The AMF network element may be configured to manage access of the terminal to the core network, for example: location update of the terminal, network registration, access control, mobility management of the terminal, attachment and detachment of the terminal, and the like. The AMF network element may also provide a storage resource of a control plane for the session when providing a service for the session of the terminal, so as to store the session identifier, the SMF network element identifier associated with the session identifier, and the like.
The SMF network element may be configured to select a user plane network element for the terminal, redirect the user plane network element for the terminal, allocate an Internet Protocol (IP) address to the terminal, and establish a bearer (which may also be referred to as a session) between the terminal and the UPF network element, modify and release the session, and control QoS.
The PCF network element is configured to provide policies, such as QoS policies, slice selection policies, and the like, to the AMF network element and the SMF network element.
The AF network element is used for interacting with a 3GPP core network element to support the routing of application influence data, accessing a network exposure function, interacting with a PCF network element to perform policy control and the like.
The DN may provide data services to users such as an IP Multimedia Services (IMS) network, the internet, etc. There may be multiple Application Servers (AS) in the DN to provide different application services, such AS operator service, internet access or third party service, and the AS may implement the function of the AF.
In wireless communication, a proximity services (ProSe) technology may be used to enable a UE outside a cell coverage to communicate with a base station through the UE within the cell coverage, thereby improving data transmission efficiency. Herein, a UE out of the cell coverage is referred to as a remote UE, and a UE in the cell coverage is referred to as a relay UE (relay UE), as shown in fig. 1. The remote UE determines the relay UE by using a discovery process in the ProSe technology, establishes connection and communication with the relay UE, accesses a network through the relay UE, and is used for transmitting data between the remote UE and the network.
Fig. 2 is a schematic view of a scenario provided by an embodiment of the present application, as shown in fig. 2, a remote UE is in communication connection with a public land mobile network PLMN2 where a relay device is located through the relay UE. A policy control function network element PCF2 in the PLMN2 needs to acquire policy information of the remote UE from PCF1 in a home public land mobile network HPLMN of the remote UE, and generate a user equipment routing policy URSP information according to the policy information. The remote UE acquires the URSP information through the relay UE, and accordingly the PDU session is established.
Fig. 3 is a schematic view of a scenario provided in an embodiment of the present application, and as shown in fig. 3, a remote UE is in communication connection with a PLMN1 where a relay device is located through a relay UE, which is different from fig. 2 in that the PLMN1 where the relay device is located is an HPLMN of the remote UE. PCF1 in PLMN1 directly generates URSP information, and sends the URSP information to remote UE through relay UE, and the remote UE establishes PDU conversation according to the URSP information.
Based on any of the above scenarios, the embodiments of the present application provide a session establishment rule for generating and configuring a remote device, so as to implement a technical scheme for establishing a relay service session by a remote device through a relay device. The method comprises the following steps: after the remote device establishes connection with the relay device, the remote device sends information of the remote device to the network side through the relay device, the network side generates URSP information according to the information of the remote device, and sends the URSP information to the remote device through the relay device, wherein the URSP information is used for indicating a session establishment strategy of a relay service. And the remote equipment establishes a PDU session according to the received URSP information. Through the scheme provided by the application, the remote equipment outside the network coverage area is connected with the network through the relay equipment, and the remote equipment can establish a PDU session according to actual service requirements, so that the data transmission efficiency is improved.
The technical means shown in the present application will be described in detail below with reference to specific examples. It should be noted that the following embodiments may exist alone or may be combined with each other. For the same or similar matters, for example, explanations of terms or nouns, explanations of steps, and the like, may be mutually referred in different embodiments, and the explanations are not repeated.
With reference to the data transmission methods shown in the embodiments of fig. 4 to fig. 7, a technical solution of how a remote device located outside a network coverage area in a communication system performs relay service session establishment is described in detail.
Fig. 4 is an interaction diagram of a data transmission method according to an embodiment of the present application. As shown in fig. 4, the method provided by this embodiment includes the following steps:
step 101, the remote device sends information of the remote device to the relay device.
In this embodiment, the information of the remote device sent by the remote device to the relay device includes at least one of the following:
identification of the remote device, internet protocol IP address, port number.
Alternatively, the Identity of the remote device may be a SUPI (SUbscription Permanent Identifier), which is a unique Permanent Identity of the user in the 5G network, similar to an International Mobile Subscriber Identity (IMSI) in an LTE (Long Term Evolution) network.
Step 102, the relay equipment sends the information of the remote equipment to the PCF network element.
Optionally, in a possible implementation manner, the sending, by the relay device, the information of the remote device to the PCF network element specifically includes: the relay equipment sends a non-connection layer NAS message to the PCF network element, wherein the NAS message comprises information of the remote equipment.
Step 103, the PCF network element generates URSP information according to the information of the remote device.
In this embodiment, the URSP information generated by the PCF network element is used to indicate a session establishment policy of the relay service of the remote device.
In one possible implementation, the PCF network element is a PCF network element of a public land mobile network HPLMN to which the remote device belongs. The PCF network element generates URSP information according to the information of the remote device, which specifically includes: and the PCF network element generates UPSP information according to the local configuration information and the information of the remote equipment. Wherein the local configuration information comprises policy information of the remote device.
In another possible implementation, the PCF network element is a PCF network element of a public land mobile network PLMN where the relay device is located, and the PLMN where the relay device is located and the HPLMN of the remote device are different networks. The PCF network element generates URSP information according to the information of the remote device, which specifically includes: the PCF network element generates URSP information according to the policy information of the remote equipment and the information of the remote equipment, wherein the policy information of the remote equipment is acquired by the PCF network element from the PCF network element of the HPLMN of the remote equipment.
Optionally, in a possible implementation, the URSP information includes at least one of:
session description information for the relay service, user session parameters.
The session description information for the relay service includes an application identifier, IP Address information, media Access Control Address (MAC) information, service type information, and the like. The service type information includes relay service type information.
The user session parameters include Data Network Name (DNN) Information, S-NSSAI (Single Network Slice Selection Assistance Information) Information, session type Information, service path Information, relay mode Information, and the like. The relay method information includes a layer 3 relay, a layer 2 relay, an N3IWF (Non-3 GPP InterWorking Function) relay method, and the like.
Step 104, the PCF network element sends URSP information to the relay device.
Optionally, in a possible implementation manner, the sending, by the PCF network element, the URSP information to the relay device specifically includes: the PCF network element sends NAS information to the relay equipment, wherein the NAS information comprises URSP information.
And 105, the relay equipment sends the URSP information to the remote equipment.
Optionally, in a possible implementation, the sending, by the relay device, the URSP information to the remote device specifically includes: the relay device sends a PC5-S message to the remote device, the PC5-S message including the URSP information.
Optionally, in a possible implementation, the relay device receives the URSP information sent by the PCF network element, where the URSP information is contained in the transparent container, and the relay device directly forwards the URSP information to the remote device without parsing content in the transparent container.
Optionally, in a possible implementation, the relay device receives URSP information sent by the PCF network element, where the URSP information is contained in a transparent container, and the relay device reads content in the transparent container, generates configuration information according to the URSP information, and sends the configuration information to the remote device, where the configuration information is used to indicate the URSP information.
And 106, the remote equipment establishes a PDU session according to the URSP information.
In the data transmission method provided in this embodiment, the remote device sends the information of the remote device to the PCF network element of the core network through the relay device, the PCF network element generates the URSP information according to the information of the remote device, and the PCF network element sends the URSP information to the remote device through the relay device, so that the remote device establishes a PDU session of the relay service according to the URSP information. The method enables the remote equipment outside the network coverage to be connected with the network through the relay equipment, and establishes the PDU session according to the URSP information issued by the network, thereby improving the data transmission efficiency.
Fig. 5 is an interaction diagram of a data transmission method according to an embodiment of the present application. Unlike fig. 4, the relay device in this embodiment transmits data to the PCF network element through the AMF network element of the core network. As shown in fig. 5, the method provided by this embodiment includes the following steps:
step 201, the remote device sends the information of the remote device to the relay device.
Step 202, the relay device sends the information of the remote device to the AMF network element.
Optionally, in a possible implementation manner, the sending, by the relay device, the information of the remote device to the AMF network element specifically includes: and the relay equipment sends NAS information to the AMF network element, wherein the NAS information comprises the information of the remote equipment.
Step 203, the AMF network element sends the information of the remote device to the PCF network element.
Optionally, in a possible implementation, the AMF network element sends an NAS message to the PCF network element, where the NAS message includes information of the remote device.
Step 204, the PCF network element generates URSP information according to the information of the remote device.
Step 205, the PCF network element sends URSP information to the relay device.
Step 206, the relay device sends the URSP information to the remote device.
And step 207, the remote equipment establishes a PDU session according to the URSP information.
Steps 201, 204 to 207 of this embodiment are the same as steps 101, 103 to 106 of the above embodiments, and reference may be made to the above embodiments for details, which are not described herein again.
In the data transmission method provided in this embodiment, the remote device sends the information of the remote device to the PCF network element of the core network through the relay device, where the relay device sends the information of the remote device to the PCF network element through the AMF network element, the PCF network element generates the URSP information according to the information of the remote device, and the PCF network element sends the URSP information to the remote device through the relay device, so that the remote device establishes a PDU session of the relay service according to the URSP information. The method enables the remote equipment out of the network coverage range to be connected with the network through the relay equipment, and establishes the PDU session according to the URSP information issued by the network, thereby improving the data transmission efficiency.
Fig. 6 is an interaction diagram of a data transmission method according to an embodiment of the present application. Different from fig. 4, the relay device in this embodiment transmits data to the PCF network element through the SMF network element and the AMF network element of the core network. As shown in fig. 6, the method provided by this embodiment includes the following steps:
step 301, the remote device sends information of the remote device to the relay device.
Step 302, the relay device sends the information of the remote device to the AMF network element.
Optionally, in a possible implementation, the sending, by the relay device, the information of the remote device to the AMF network element specifically includes: and the relay equipment sends an NAS message to the AMF network element, wherein the NAS message comprises the information of the remote equipment.
Step 303, the AMF network element sends the information of the remote device to the SMF network element.
Optionally, in a possible implementation manner, after receiving the NAS message sent by the relay device, the AMF network element reads the information of the remote device in the NAS message, and sends the information of the remote device to the SMF network element.
Step 304, the SMF network element sends the information of the remote device to the PCF network element.
Step 305, the PCF network element generates URSP information according to the information of the remote device.
Step 306, the PCF network element sends URSP information to the relay device.
Step 307, the relay device sends the URSP information to the remote device.
And step 308, the remote equipment establishes the PDU session according to the URSP information.
Steps 301, 305 to 308 of this embodiment are the same as steps 101, 103 to 106 of the above embodiments, and reference may be made to the above embodiments for details, which are not described herein again.
In the data transmission method provided in this embodiment, the remote device sends the information of the remote device to the PCF network element of the core network through the relay device, where the relay device sends the information of the remote device to the AMF network element of the core network, the AMF network element sends the information of the remote device to the SMF network element of the core network, and finally the SMF network element sends the information of the remote device to the PCF network element. PCF network element generates URSP information according to information of remote equipment, PCF network element sends URSP information to remote equipment through relay equipment, so that remote equipment establishes PDU conversation of relay service according to URSP information. The method enables the remote equipment out of the network coverage range to be connected with the network through the relay equipment, and establishes the PDU session according to the URSP information issued by the network, thereby improving the data transmission efficiency.
Fig. 7 is an interaction diagram of a data transmission method according to an embodiment of the present application. Different from fig. 4, the PCF network element of this embodiment includes a first PCF network element and a second PCF network element. The first PCF network element is a PCF network element of a PLMN where the relay equipment is located, the second PCF network element is a PCF network element of a HPLMN of the remote equipment, and the PLMN where the relay equipment is located and the HPLMN of the remote equipment are different networks. The data transmission method provided in this embodiment may be applied to the scenario shown in fig. 2, where the first PCF network element corresponds to PCF2 in fig. 2, and the second PCF network element corresponds to PCF1 in fig. 2.
As shown in fig. 7, the method provided by this embodiment includes the following steps:
step 401, the remote device sends information of the remote device to the relay device.
Step 402, the relay device sends the information of the remote device to the first PCF network element.
Step 403, the first PCF network element obtains the policy information of the remote device from the second PCF network element.
Step 404, the first PCF network element generates URSP information according to the policy information of the remote device and the information of the remote device.
Step 405, the first PCF network element sends URSP information to the relay device.
Step 406, the relay device sends the URSP information to the remote device.
Step 407, the remote device establishes a PDU session according to the URSP information.
In the data transmission method provided in this embodiment, the remote device sends information of the remote device to a first PCF network element of a network in which the relay device is located through the relay device, the first PCF network element obtains policy information of the remote device from a second PCF network element of a HPLMN of the remote device, the first PCF network element generates URSP information according to the policy information of the remote device and the information of the remote device, and the first PCF network element sends the URSP information to the remote device through the relay device, so that the remote device establishes a PDU session of a relay service according to the URSP information. The method ensures that the remote equipment outside the network coverage area is connected with the network where the relay equipment is positioned through the relay equipment, and establishes the PDU session according to the URSP information sent by the network, thereby improving the data transmission efficiency.
The data transmission method provided in the embodiment of the present application is described in detail above, and the network device, the relay device, and the remote device provided in the embodiment of the present application are described below.
Fig. 8 is a schematic structural diagram of a network device according to an embodiment of the present application. As shown in fig. 8, a network device 500 provided in the embodiment of the present application includes:
a processing module 501, configured to generate URSP information, which is a routing policy of a user equipment and is used to indicate a session establishment policy of a relay service;
a sending module 502, configured to send the URSP information to a remote device through a relay device.
Fig. 9 is a schematic structural diagram of a network device according to an embodiment of the present application. On the basis of the embodiment shown in fig. 8, as shown in fig. 9, the network device 500 of the present embodiment further includes: a receiving module 503.
The receiving module 503 is configured to receive information of the remote device;
the processing module 501 is specifically configured to generate the URSP information according to the information of the remote device.
In a possible implementation manner, the receiving module 503 is specifically configured to receive the information of the remote device sent by the relay device.
In a possible implementation manner, the receiving module 503 is specifically configured to receive a non-access stratum NAS message sent by the relay device, where the NAS message includes information of the remote device.
In a possible implementation manner, the receiving module 503 is specifically configured to acquire, from a mobility management function AMF network element, the NAS message sent by the relay device.
In a possible implementation manner, the receiving module 503 is specifically configured to acquire, from a session management function SMF network element, the information of the remote device sent by the relay device.
In a possible implementation manner, the network device is a first PCF network element of a public land mobile network PLMN where the relay device is located, or a second PCF network element of a home public land mobile network HPLMN of the remote device.
In a possible implementation manner, if the network device is the first PCF network element, the receiving module 503 is further configured to obtain policy information of the remote device from the second PCF network element;
correspondingly, the processing module 501 is specifically configured to generate the URSP information according to the policy information of the remote device and the information of the remote device.
In a possible implementation manner, if the network device is the second PCF network element, the processing module 501 is specifically configured to generate the URSP information according to local configuration information and information of the remote device.
In a possible implementation manner, if the network device is the second PCF network element, the sending module 502 is specifically configured to send the URSP information to the remote device through the first PCF network element, and the first PCF network element is configured to send the URSP information to the remote device through the relay device.
In a possible implementation manner, the sending module 502 is specifically configured to send a NAS message to the relay device, where the NAS message includes the URSP information, and the relay device is configured to forward the URSP information to the remote device.
In a possible implementation manner, the sending module 502 is specifically configured to send the URSP information to the relay device, where the relay device is configured to generate configuration information according to the URSP information, and send the configuration information to the remote device, where the configuration information is used to indicate the URSP information.
Optionally, the information of the remote device includes at least one of: the identification of the remote device, the IP address of the Internet protocol and the port number.
Optionally, the URSP information includes at least one of: service description information for relay service, user session parameters.
The network device provided in the embodiment of the present application is configured to execute the technical solution executed by the PCF network element in the method embodiment shown in fig. 4 to fig. 7, and the implementation principle and the technical effect are similar, which are not described herein again.
Fig. 10 is a schematic structural diagram of a relay device according to an embodiment of the present application. As shown in fig. 10, a relay device 600 provided in the embodiment of the present application includes:
a receiving module 601, configured to receive URSP information of a user equipment routing policy sent by a policy control function PCF network element, where the URSP information is used to indicate a session establishment policy of a relay service;
a sending module 602, configured to send the URSP information to a remote device.
In a possible implementation manner, the receiving module 601 is specifically configured to receive a non-access stratum NAS message sent by the PCF network element, where the NAS message includes the URSP information.
In a possible implementation manner, the sending module 602 is further configured to:
before the receiving module 601 receives the URSP information sent by the PCF network element, the information of the remote device is sent to the PCF network element.
In a possible implementation manner, the sending module 602 is specifically configured to send a NAS message to the PCF network element, where the NAS message includes information of the remote device.
In a possible implementation manner, the sending module 602 is specifically configured to send, by a mobility management function AMF network element, the NAS message to the PCF network element.
In a possible implementation manner, the sending module 602 is specifically configured to send, to the PCF network element, information of the remote device through a session management function, SMF, network element.
Fig. 11 is a schematic structural diagram of a relay device according to an embodiment of the present application. On the basis of the embodiment shown in fig. 10, as shown in fig. 11, the relay apparatus 600 of the present embodiment further includes: a processing module 603.
The processing module 603 is configured to generate configuration information according to the URSP information, where the configuration information is used to indicate the URSR information;
the sending module 602 is configured to send the configuration information to the remote device.
Optionally, the information of the remote device includes at least one of: the identification of the remote device, the IP address of the Internet protocol and the port number.
Optionally, the URSP information includes at least one of: service description information for relay service, user session parameters.
The relay device provided in the embodiment of the present application is configured to implement the technical solutions implemented by the relay device in the method embodiments shown in fig. 4 to fig. 7, and the implementation principles and technical effects are similar, which are not described herein again.
Fig. 12 is a schematic structural diagram of a remote device according to an embodiment of the present application. As shown in fig. 12, a remote device 700 provided in an embodiment of the present application includes:
a receiving module 701, configured to receive URSP information of a user equipment routing policy sent by a policy control function PCF network element, where the URSP information is used to indicate a session establishment policy of a relay service;
a processing module 702, configured to establish a session according to the URSP information.
In a possible implementation manner, the receiving module 701 is specifically configured to receive, through a relay device, the URSP information sent by the PCF network element.
In a possible implementation manner, the receiving module 701 is specifically configured to receive configuration information sent by a relay device, where the configuration information is generated by the relay device according to URSP information sent by the PCF network element, and the configuration information is used to indicate the URSP information.
Fig. 13 is a schematic structural diagram of a remote device according to an embodiment of the present application. On the basis of the embodiment shown in fig. 12, as shown in fig. 13, the remote device 700 of this embodiment further includes: a sending module 703.
The sending module 703 is configured to send the information of the remote device to the PCF network element through a relay device before the receiving module 701 receives the URSP information sent by the PCF network element.
Optionally, the information of the remote device includes at least one of: the identification of the remote device, the IP address of the Internet protocol and the port number.
Optionally, the URSP information includes at least one of: service description information for relay service, and user session parameters.
The remote device provided in the embodiment of the present application is configured to implement the technical solutions implemented by the remote device in the method embodiments shown in fig. 4 to fig. 7, and the implementation principles and technical effects are similar, which are not described herein again.
It should be noted that, the division of each module of the network device, the relay device, or the remote device is only a division of a logical function, and all or part of the division may be integrated on one physical entity or may be physically separated in actual implementation. And these modules can be realized in the form of software called by processing element; or may be implemented entirely in hardware; and part of the modules can be realized in the form of calling software by the processing element, and part of the modules can be realized in the form of hardware. For example, the processing module may be a separate processing element, or may be integrated into a chip of the apparatus, or may be stored in a memory of the apparatus in the form of program code, and a processing element of the apparatus calls and executes the functions of the above determination module. Other modules are implemented similarly. In addition, all or part of the modules can be integrated together or can be independently realized. The processing element described herein may be an integrated circuit having signal processing capabilities. In implementation, each step of the above method or each module above may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in the form of software.
For example, the above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), among others. For another example, when some of the above modules are implemented in the form of a processing element scheduler code, the processing element may be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor capable of calling program code. As another example, these modules may be integrated together, implemented in the form of a system-on-a-chip (SOC).
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid State Disk (SSD)), among others.
Fig. 14 is a schematic hardware structure diagram of a network device according to an embodiment of the present application. As shown in fig. 14, the network device 800 of this embodiment may include: a processor 801, a memory 802, and a communication interface 803. A memory 802 for storing a computer program; a processor 801 for executing the computer program stored in the memory 802 to implement the method performed by the PCF network element in any of the above method embodiments. A communication interface 803 for data communication or signal communication with other devices.
Optionally, the memory 802 may be separate or integrated with the processor 801. When the memory 802 is a separate device from the processor 801, the network device 800 may further include: a bus 804 for connecting the memory 802 and the processor 801.
In one possible implementation, the processing module 501 in fig. 8 may be implemented by being integrated in the processor 801, and the sending module 502 may be implemented by being integrated in the communication interface 803. The processing module 501 in fig. 9 may be implemented by being integrated in the processor 801, and the sending module 502 and the receiving module 503 may be implemented by being integrated in the communication interface 803. In a possible implementation manner, the processor 801 may be configured to implement the signal processing operation of the network device in the foregoing method embodiment, and the communication interface 803 may be configured to implement the signal transceiving operation of the network device in the foregoing method embodiment.
The network device provided in this embodiment may be configured to execute the method executed by the PCF network element in any of the above method embodiments, and the implementation principle and the technical effect are similar, which are not described herein again.
Fig. 15 is a schematic hardware structure diagram of a relay device according to an embodiment of the present application. As shown in fig. 15, the relay apparatus 900 of the present embodiment may include: a processor 901, a memory 902, and a communication interface 903. A memory 902 for storing a computer program; a processor 901 for executing the computer program stored in the memory 902 to implement the method performed by the relay device in any of the above method embodiments. A communication interface 903 for data communication or signal communication with other devices.
Alternatively, the memory 902 may be separate or integrated with the processor 901. When the memory 902 is a device separate from the processor 901, the relay apparatus 900 may further include: a bus 904 for connecting the memory 902 and the processor 901.
In a possible implementation manner, the processing module 603 in fig. 11 may be implemented by being integrated in the processor 901, and the sending module 602 and the receiving module 601 may be implemented by being integrated in the communication interface 903. In a possible implementation manner, the processor 901 may be configured to implement the signal processing operation of the relay device in the foregoing method embodiment, and the communication interface 903 may be configured to implement the signal transceiving operation of the relay device in the foregoing method embodiment.
The relay device provided in this embodiment may be configured to execute the method performed by the relay device in any of the method embodiments, and the implementation principle and the technical effect are similar, which are not described herein again.
Fig. 16 is a schematic hardware structure diagram of a remote device according to an embodiment of the present application. As shown in fig. 16, the remote device 1000 of the present embodiment may include: a processor 1001, a memory 1002, and a communication interface 1003. The memory 1002 is used for storing computer programs; the processor 1001 is configured to execute the computer program stored in the memory 1002 to implement the method performed by the remote device in any of the above method embodiments. A communication interface 1003 used for data communication or signal communication with other devices.
Alternatively, the memory 1002 may be separate or integrated with the processor 1001. When the memory 1002 is a separate device from the processor 1001, the remote device 1000 may further include: a bus 1004 for connecting the memory 1002 and the processor 1001.
In one possible implementation, the processing module 702 in fig. 12 may be implemented by being integrated in the processor 1001, and the receiving module 701 may be implemented by being integrated in the communication interface 1003. The processing module 702 in fig. 13 may be implemented by being integrated in the processor 1001, and the sending module 703 and the receiving module 701 may be implemented by being integrated in the communication interface 1003. In a possible implementation manner, the processor 1001 may be configured to implement the signal processing operation of the remote device in the foregoing method embodiment, and the communication interface 1003 may be configured to implement the signal transceiving operation of the remote device in the foregoing method embodiment.
The remote device provided in this embodiment may be configured to execute the method executed by the remote device in any of the above method embodiments, and the implementation principle and the technical effect are similar, which are not described herein again.
The embodiment of the present application further provides a computer-readable storage medium, where the computer-readable storage medium stores computer execution instructions, and when the computer execution instructions are executed by a processor, the computer execution instructions are used to implement the technical solution of the PCF network element in any one of the foregoing method embodiments.
An embodiment of the present application further provides a computer-readable storage medium, where a computer executing instruction is stored in the computer-readable storage medium, and when the computer executing instruction is executed by a processor, the computer executing instruction is used to implement a technical solution of the relay device in any one of the foregoing method embodiments.
The embodiment of the present application further provides a computer-readable storage medium, where a computer executing instruction is stored in the computer-readable storage medium, and when the computer executing instruction is executed by a processor, the computer executing instruction is used to implement the technical solution of the remote device in any one of the foregoing method embodiments.
The embodiment of the present application further provides a program, and when the program is executed by a processor, the program is configured to execute the technical solution of the PCF network element in any of the foregoing method embodiments.
The embodiment of the present application further provides a program, and when the program is executed by a processor, the program is configured to execute the technical solution of the relay device in any one of the foregoing method embodiments.
The embodiment of the present application further provides a program, and when the program is executed by a processor, the program is configured to execute the technical solution of the remote device in any of the foregoing method embodiments.
The embodiment of the present application further provides a computer program product, which includes program instructions, where the program instructions are used to implement the technical solution of the PCF network element in any one of the foregoing method embodiments.
An embodiment of the present application further provides a chip, including: a processing module and a communication interface, wherein the processing module can execute the technical scheme of the PCF network element in the foregoing method embodiment. Further, the chip further includes a storage module (e.g., a memory), where the storage module is configured to store instructions, and the processing module is configured to execute the instructions stored by the storage module, and execute the instructions stored in the storage module to enable the processing module to execute the technical solution of the PCF network element.
The embodiment of the present application further provides a computer program product, which includes program instructions, where the program instructions are used to implement the technical scheme of the relay device in any one of the foregoing method embodiments.
An embodiment of the present application further provides a chip, including: and the processing module and the communication interface can execute the technical scheme of the relay equipment in the method embodiment. Further, the chip further includes a storage module (e.g., a memory), where the storage module is configured to store instructions, and the processing module is configured to execute the instructions stored by the storage module, and the execution of the instructions stored in the storage module causes the processing module to execute the technical solution of the relay device.
The embodiment of the present application further provides a computer program product, which includes program instructions, where the program instructions are used to implement the technical solution of the remote device in any of the foregoing method embodiments.
An embodiment of the present application further provides a chip, including: a processing module and a communication interface, wherein the processing module can execute the technical scheme of the remote device in the method embodiment. Further, the chip further includes a storage module (e.g., a memory), the storage module is configured to store instructions, the processing module is configured to execute the instructions stored by the storage module, and the execution of the instructions stored in the storage module causes the processing module to execute the technical solution of the remote device.
In this application, "at least two" means two or more, and "a plurality" means two or more. "and/or" describes the association relationship of the associated object, indicating that there may be three relationships, for example, a and/or B, which may indicate: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship; in the formula, the character "/" indicates that the preceding and succeeding related objects are in a relationship of "division". "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.
It is to be understood that the various numerical references referred to in the embodiments of the present application are merely for descriptive convenience and are not intended to limit the scope of the embodiments of the present application.
It should be understood that, in the embodiment of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiment of the present application.

Claims (62)

  1. A method of data transmission, comprising:
    a policy control function PCF network element generates URSP information of a user equipment routing policy, wherein the URSP information is used for indicating a session establishment policy of a relay service;
    and the PCF network element sends the URSP information to a remote device through a relay device.
  2. The method of claim 1, wherein the PCF network element generating the URSP information comprises:
    the PCF network element receives the information of the remote equipment;
    and the PCF network element generates the URSP information according to the information of the remote equipment.
  3. The method of claim 2,
    the PCF network element receiving the information of the remote device, including:
    and the PCF network element receives the information of the remote equipment sent by the relay equipment.
  4. The method of claim 2 or 3,
    the PCF network element receiving information of the remote device, including:
    and the PCF network element receives a non-access stratum (NAS) message sent by the relay equipment, wherein the NAS message comprises the information of the remote equipment.
  5. The method of claim 4, wherein the receiving, by the PCF network element, the NAS message sent by the relay device comprises:
    and the PCF network element acquires the NAS message sent by the relay equipment from a mobility management function (AMF) network element.
  6. The method of claim 2 or 3, wherein the PCF network element receiving the information of the remote device comprises:
    and the PCF network element acquires the information of the remote equipment sent by the relay equipment from a Session Management Function (SMF) network element.
  7. The method of any one of claims 1-6, wherein the PCF network element is a first PCF network element of a Public Land Mobile Network (PLMN) in which the relay device is located, or a second PCF network element of a Home Public Land Mobile Network (HPLMN) of the remote device.
  8. The method of claim 7, wherein if the PCF network element is the first PCF network element, the method further comprises:
    the first PCF network element acquires the strategy information of the remote equipment from the second PCF network element;
    correspondingly, the PCF network element generating the URSP information includes:
    and the first PCF network element generates the URSP information according to the policy information of the remote equipment and the information of the remote equipment.
  9. The method of claim 7, wherein if the PCF network element is the second PCF network element, the PCF network element generating the URSP information, comprising:
    and the second PCF network element generates the URSP information according to the local configuration information and the information of the remote equipment.
  10. The method of claim 7, wherein if the PCF network element is the second PCF network element, the PCF network element sending the URSP information to a remote device via a relay device, comprising:
    and the second PCF network element sends the URSP information to the remote equipment through the first PCF network element, and the first PCF network element is used for sending the URSP information to the remote equipment through the relay equipment.
  11. The method of any of claims 1-10, wherein the PCF network element sending the URSP information to a remote device via a relay device, comprising:
    and the PCF network element sends NAS information to the relay equipment, wherein the NAS information comprises the URSP information, and the relay equipment is used for forwarding the URSP information to the remote equipment.
  12. The method of any of claims 1-10, wherein the PCF network element sending the URSP information to a remote device via a relay device, comprising:
    and the PCF network element sends the URSP information to the relay equipment, the relay equipment is used for generating configuration information according to the URSP information and sending the configuration information to the remote equipment, and the configuration information is used for indicating the URSP information.
  13. The method according to any of claims 1-12, wherein the information of the remote device comprises at least one of: the identification of the remote device, the IP address of the Internet protocol and the port number.
  14. The method according to any of claims 1-12, wherein the URSP information includes at least one of: service description information for relay service, user session parameters.
  15. A method of data transmission, comprising:
    the method comprises the steps that relay equipment receives user equipment routing strategy URSP information sent by a strategy control function PCF network element, wherein the URSP information is used for indicating a session establishment strategy of relay service;
    and the relay equipment sends the URSP information to remote equipment.
  16. The method of claim 15, wherein said relaying device receiving said URSP information sent by said PCF network element comprises:
    and the relay equipment receives a non-access stratum (NAS) message sent by the PCF network element, wherein the NAS message comprises the URSP information.
  17. The method of claim 15, wherein before the relay device receives the URSP information sent by the PCF network element, the method further comprises:
    and the relay equipment sends the information of the remote equipment to the PCF network element.
  18. The method of claim 17, wherein the step of the relay device sending the information of the remote device to the PCF network element comprises:
    and the relay equipment sends NAS information to the PCF network element, wherein the NAS information comprises the information of the remote equipment.
  19. The method of claim 18, wherein the relaying device sending a NAS message to the PCF network element comprises:
    and the relay equipment sends the NAS message to the PCF network element through a mobility management function (AMF) network element.
  20. The method of claim 17, wherein the step of the relay device sending the information of the remote device to the PCF network element comprises:
    and the relay equipment sends the information of the remote equipment to the PCF network element through a Session Management Function (SMF) network element.
  21. The method of any of claims 15-20, wherein the relay device sending the URSP information to a remote device comprises:
    the relay equipment generates configuration information according to the URSP information, wherein the configuration information is used for indicating the URSR information;
    the relay device sends the configuration information to the remote device.
  22. The method according to any of claims 15-21, wherein the information of the remote device comprises at least one of: the identification of the remote device, the IP address of the Internet protocol and the port number.
  23. The method of any of claims 15-21, wherein the URSP information comprises at least one of: service description information for relay service, user session parameters.
  24. A method of data transmission, comprising:
    the remote device receives URSP information of a user equipment routing strategy sent by a PCF network element, wherein the URSP information is used for indicating a session establishment strategy of the relay service;
    and the remote equipment establishes a session according to the URSP information.
  25. The method of claim 24, wherein the receiving, by the remote device, the URSP information sent by the PCF network element comprises:
    and the remote equipment receives the URSP information sent by the PCF network element through the relay equipment.
  26. The method of claim 24 or 25, wherein the receiving, by the remote device, the URSP information sent by the PCF network element comprises:
    the remote device receives configuration information sent by a relay device, wherein the configuration information is generated by the relay device according to URSP information sent by the PCF network element, and the configuration information is used for indicating the URSP information.
  27. The method of any of claims 24-26, wherein prior to the remote device receiving the URSP information sent by the PCF network element, the method further comprises:
    and the remote equipment sends the information of the remote equipment to the PCF network element through the relay equipment.
  28. The method according to any of claims 24-27, wherein the information of the remote device comprises at least one of: the identification of the remote device, the IP address of the Internet protocol and the port number.
  29. The method according to any of claims 24-27, wherein said URSP information comprises at least one of: service description information for relay service, user session parameters.
  30. A network device, comprising:
    a processing module, configured to generate URSP information of a UE routing policy, where the URSP information is used to indicate a session establishment policy of a relay service;
    and the sending module is used for sending the URSP information to the remote equipment through the relay equipment.
  31. The network device of claim 30, wherein the network device further comprises: a receiving module; the receiving module is used for receiving the information of the remote equipment;
    the processing module is specifically configured to generate the URSP information according to the information of the remote device.
  32. The network device of claim 31,
    the receiving module is specifically configured to receive the information of the remote device sent by the relay device.
  33. The network device of claim 31 or 32,
    the receiving module is specifically configured to receive a non-access stratum NAS message sent by the relay device, where the NAS message includes information of the remote device.
  34. The network device according to claim 33, wherein the receiving module is specifically configured to obtain, from a mobility management function AMF network element, the NAS message sent by the relay device.
  35. The network device according to claim 31 or 32, wherein the receiving module is specifically configured to obtain, from a session management function SMF network element, the information of the remote device sent by the relay device.
  36. The network device of any of claims 30-35, wherein the network device is a first PCF network element of a public land mobile network, PLMN, in which the relay device is located, or a second PCF network element of a home public land mobile network, HPLMN, of the remote device.
  37. The network device of claim 36, wherein if the network device is the first PCF network element, the receiving module is further configured to obtain policy information of the remote device from the second PCF network element;
    correspondingly, the processing module is specifically configured to generate the URSP information according to the policy information of the remote device and the information of the remote device.
  38. The network device of claim 36, wherein if the network device is the second PCF network element, the processing module is specifically configured to generate the URSP information according to local configuration information and information of the remote device.
  39. The network device of claim 36, wherein if the network device is the second PCF network element, the sending module is specifically configured to send the URSP information to the remote device through the first PCF network element, and the first PCF network element is configured to send the URSP information to the remote device through the relay device.
  40. The network device according to any one of claims 30 to 39, wherein the sending module is specifically configured to send a NAS message to the relay device, where the NAS message includes the URSP information, and the relay device is configured to forward the URSP information to the remote device.
  41. The network device according to any of claims 30 to 39, wherein the sending module is specifically configured to send the URSP information to the relay device, where the relay device is configured to generate configuration information according to the URSP information, and send the configuration information to the remote device, where the configuration information is used to indicate the URSP information.
  42. The network device of any of claims 30-41, wherein the information of the remote device comprises at least one of: the identification of the remote device, the IP address of the Internet protocol and the port number.
  43. The network device of any of claims 30-41, wherein the URSP information comprises at least one of: service description information for relay service, user session parameters.
  44. A relay device, comprising:
    a receiving module, configured to receive URSP information of a user equipment routing policy sent by a policy control function PCF network element, where the URSP information is used to indicate a session establishment policy of a relay service;
    and the sending module is used for sending the URSP information to the remote equipment.
  45. The relay device of claim 44, wherein the receiving module is specifically configured to receive a non-Access stratum (NAS) message sent by the PCF network element, and wherein the NAS message includes the URSP information.
  46. The relay device of claim 44, wherein the sending module is further configured to:
    and before the receiving module receives the URSP information sent by the PCF network element, sending the information of the remote equipment to the PCF network element.
  47. The relay device of claim 46, wherein the sending module is specifically configured to send a NAS message to the PCF network element, and wherein the NAS message includes information of the remote device.
  48. The relay device of claim 47, wherein the sending module is specifically configured to send the NAS message to the PCF network element through a mobility management function (AMF) network element.
  49. The relay device of claim 46, wherein the sending module is specifically configured to send the information of the remote device to the PCF network element through a Session Management Function (SMF) network element.
  50. The relay device according to any of claims 44-49, wherein said relay device further comprises: a processing module;
    the processing module is configured to generate configuration information according to the URSP information, where the configuration information is used to indicate the URSR information;
    the sending module is configured to send the configuration information to the remote device.
  51. The relay device according to any of claims 44-50, wherein the information of the remote device comprises at least one of: the identification of the remote device, the IP address of the Internet protocol and the port number.
  52. The relay device of any of claims 44-50, wherein said URSP information comprises at least one of: service description information for relay service, and user session parameters.
  53. A remote device, comprising:
    a receiving module, configured to receive URSP information of a user equipment routing policy sent by a policy control function PCF network element, where the URSP information is used to indicate a session establishment policy of a relay service;
    and the processing module is used for establishing a session according to the URSP information.
  54. The remote device of claim 53, wherein the receiving module is specifically configured to receive, through a relay device, the URSP information sent by the PCF network element.
  55. The remote device of claim 53 or 54, wherein the receiving module is specifically configured to receive configuration information sent by a relay device, where the configuration information is generated by the relay device according to URSP information sent by the PCF network element, and the configuration information is used to indicate the URSP information.
  56. The remote device of any one of claims 53-55, wherein the remote device further comprises: a sending module;
    and the sending module is used for sending the information of the remote equipment to the PCF network element through the relay equipment before the receiving module receives the URSP information sent by the PCF network element.
  57. The remote device of any one of claims 53-56, wherein the information of the remote device comprises at least one of: the identification of the remote device, the IP address of the Internet protocol and the port number.
  58. The remote device of any of claims 53-56, wherein said URSP information comprises at least one of: service description information for relay service, user session parameters.
  59. A network device, comprising: a memory for storing a computer program and a processor for calling and running the computer program from the memory, such that the processor runs the computer program to perform the method of any of claims 1-14.
  60. A relay device, comprising: a memory for storing a computer program and a processor for calling and executing the computer program from the memory, such that the processor executes the computer program to perform the method of any of claims 15-23.
  61. A remote device, comprising: a memory for storing a computer program and a processor for calling and executing the computer program from the memory, such that the processor executes the computer program to perform the method of any of claims 24-29.
  62. A storage medium, characterized in that the storage medium comprises a computer program for implementing the method of any one of claims 1-14, or the method of any one of claims 15-23, or the method of any one of claims 24-29.
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WO2023177571A1 (en) * 2022-03-18 2023-09-21 Intel Corporation Multiple path over ue-to-network and ng-uu

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CN109922472B (en) * 2017-12-13 2021-10-26 华为技术有限公司 Acquisition of user policy
CN110418328B (en) * 2018-04-28 2021-01-05 华为技术有限公司 Communication method and device
CN109286567B (en) * 2018-11-23 2020-07-28 腾讯科技（深圳）有限公司 Method, device and equipment for acquiring routing strategy
CN111404814B (en) * 2020-02-28 2021-06-15 华为技术有限公司 Data transmission method and communication device

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CN116600283A (en) * 2023-07-19 2023-08-15 中国电信股份有限公司 Network access mode identification method, device, communication equipment, medium and product
CN116600283B (en) * 2023-07-19 2023-10-03 中国电信股份有限公司 Network access mode identification method, device, communication equipment, medium and product

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