Wireless communication method and device

Abstract

The embodiment of the present application provides a wireless communication method, which is applied to the policy control function PCF of the relay terminal, including: obtaining at least one subscription information of the remote terminal; based on the at least one subscription information, determining the first quality of service QoS control information of the relay terminal. The method enables the relay terminal to control the data transmission of the remote terminal, and accordingly, it can improve the network's control capability of the remote terminal and the system performance of the relay terminal.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of communications, and more specifically, to a wireless communication method and device. Background Art

[0002] End-to-end communication refers to end-to-end communication, such as vehicle-to-vehicle (V2V), vehicle-to-everything (V2X), and device-to-device (D2D). Specifically, the sender sends a direct communication request (DCR) message to the receiver. If the receiver responds to the DCR message, the receiver and the sender can communicate directly.

[0003] If the distance between the sender and the requester is too far, a relay terminal is needed to realize end-to-end communication between the sender and the requester. However, as of now, the function of the relay terminal needs to be further improved. Summary of the invention

[0004] The embodiments of the present application provide a method for enabling a relay terminal to control data transmission of a remote terminal, and accordingly, can improve the network's control capability over the remote terminal and the system performance of the relay terminal.

[0005] In a first aspect, a wireless communication method is provided, which is applied to a policy control function PCF of a relay terminal, including:

[0006] Obtaining at least one contract information of a remote terminal;

[0007] Based on the at least one subscription information, first quality of service QoS control information of the relay terminal is determined.

[0008] In a second aspect, a wireless communication method is provided, which is applied to a policy control function PCF of a relay terminal, including:

[0009] Obtaining at least one contract information of a remote terminal;

[0010] Based on the at least one subscription information, second quality of service QoS control information of the remote terminal is determined.

[0011] In a third aspect, a wireless communication method is provided, which is applied to an access and mobility management function AMF of a relay terminal, including:

[0012] Sending a first identifier of a remote terminal to the unified data management UDM or the unified data storage UDR;

[0013] Receive the first subscription information of the remote terminal sent by the UDM or the UDR.

[0014] In a fourth aspect, a wireless communication method is provided, which is applied to a session management function SMF of a relay terminal, including:

[0015] Sending a first identifier of a remote terminal to the unified data management UDM or the unified data storage UDR;

[0016] Receive the second subscription information of the remote terminal sent by the UDM or the UDR.

[0017] In a fifth aspect, a wireless communication method is provided, which is applied to a relay terminal, including:

[0018] Acquire second quality of service QoS control information of the remote terminal;

[0019] Based on the second QoS control information, data transmission of the remote terminal is controlled.

[0020] In a sixth aspect, a core network device is provided, which is used to execute the method in the first aspect or its implementations. Specifically, the terminal device includes a functional module for executing the method in the first aspect or its implementations.

[0021] In a seventh aspect, a core network device is provided, which is used to execute the method in the second aspect or its respective implementations. Specifically, the terminal device includes a functional module for executing the method in the second aspect or its respective implementations.

[0022] In an eighth aspect, a core network device is provided, which is used to execute the method in the third aspect or its respective implementations. Specifically, the terminal device includes a functional module for executing the method in the third aspect or its respective implementations.

[0023] In a ninth aspect, a core network device is provided, which is used to execute the method in the fourth aspect or its respective implementations. Specifically, the terminal device includes a functional module for executing the method in the fourth aspect or its respective implementations.

[0024] In a tenth aspect, a relay device is provided, which is used to execute the method in the fifth aspect or its respective implementations. Specifically, the terminal device includes a functional module for executing the method in the fifth aspect or its respective implementations.

[0025] In an eleventh aspect, a core network device is provided, comprising a processor and a memory, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect or its implementation manners.

[0026] In a twelfth aspect, a core network device is provided, comprising a processor and a memory, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect or its implementation manners.

[0027] In a thirteenth aspect, a core network device is provided, comprising a processor and a memory, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the third aspect or its implementation manners.

[0028] In a fourteenth aspect, a core network device is provided, comprising a processor and a memory, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the fourth aspect or its implementation manners.

[0029] In a fifteenth aspect, a relay terminal is provided, comprising a processor and a memory, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the fifth aspect or its implementation manners.

[0030] In the sixteenth aspect, a chip is provided for implementing the method in any one of the first to fifth aspects or its respective implementations. Specifically, the chip includes: a processor for calling and running a computer program from a memory, so that a device equipped with the chip executes the method in any one of the first to fifth aspects or its respective implementations.

[0031] In the seventeenth aspect, a computer-readable storage medium is provided for storing a computer program, wherein the computer program enables a computer to execute the method in any one of the first to fifth aspects or any of its implementations.

[0032] In the eighteenth aspect, a computer program product is provided, comprising computer program instructions, wherein the computer program instructions enable a computer to execute the method in any one of the first to fifth aspects or any of its implementations.

[0033] In the nineteenth aspect, a computer program is provided, which, when executed on a computer, enables the computer to execute the method in any one of the first to fifth aspects or in each of its implementations.

[0034] Based on the above technical solution, the PCF of the relay terminal can determine the first quality of service QoS control information of the relay terminal based on the at least one subscription information. Therefore, the access network device of the relay terminal or the user plane function UPF of the relay terminal can control the QoS of the relay terminal based on the first QoS control information determined by the PCF, thereby enabling the relay terminal to control the data transmission of the remote terminal, and accordingly, it can improve the network's control capability of the remote terminal and the system performance of the relay terminal. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 A schematic diagram of a communication system applied in the present application is exemplarily shown.

[0036] Figure 2 A schematic diagram of a system architecture applied in the present application is shown exemplarily.

[0037] Figures 3 to 9 A schematic flowchart of a wireless communication method according to an embodiment of the present application is shown.

[0038] Fig.10 It is a schematic block diagram of a core network device of an embodiment of the present application.

[0039] Fig.11 It is a schematic block diagram of a core network device of an embodiment of the present application.

[0040] Fig.12 It is a schematic block diagram of a core network device of an embodiment of the present application.

[0041] Fig.13 It is a schematic block diagram of a core network device of an embodiment of the present application.

[0042] Fig.14 It is a schematic block diagram of a relay terminal according to an embodiment of the present application.

[0043] Fig.15 It is a schematic structural diagram of a communication device according to an embodiment of the present application.

[0044] Fig.16 It is a schematic structural diagram of a chip according to an embodiment of the present application. DETAILED DESCRIPTION

[0045] The following will describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. For the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0046] The embodiments of the present application can be applied to various communication systems, such as: Global System of Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, Advanced Long Term Evolution (LTE-A) system, New Radio (NR) system, NR system evolution system, LTE on unlicensed spectrum (LTE-U) system, NR on unlicensed spectrum (NR-based access to unlicensed spectrum, NR-U) system, Universal Mobile Telecommunication System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (WiFi), next generation communication system or other communication systems, etc.

[0047] Generally speaking, traditional communication systems support a limited number of connections and are easy to implement. However, with the development of communication technology, mobile communication systems will not only support traditional communications, but will also support, for example, device to device (Device to Device, D2D) communication, machine to machine (Machine to Machine, M2M) communication, machine type communication (Machine Type Communication, MTC), and vehicle to vehicle (Vehicle to Vehicle, V2V) communication, etc. The embodiments of the present application can also be applied to these communication systems.

[0048] Optionally, the communication system in the embodiment of the present application can be applied to a carrier aggregation (CA) scenario, a dual connectivity (DC) scenario, or a standalone (SA) networking scenario.

[0049] The embodiments of the present application do not limit the spectrum to which they are applied. For example, the embodiments of the present application can be applied to licensed spectrum or unlicensed spectrum.

[0050] Figure 1 A schematic diagram of a communication system 100 used in the present application is shown as an example. Figure 1 As shown, the communication system 100 mainly includes a terminal device (User Equipment, UE) 101, an access network (Access Network, AN) device 102, an access and mobility management function (Access and Mobility Management Function, AMF) entity 103, a session management function (Session Management Function, SMF) entity 104, a user plane function (User Plane Function, UPF) entity 105, a policy control function (Policy Control function, PCF) entity 106, a unified data management (Unified Data Management, UDM) entity 107, a data network (Data Network, DN) 108, an application function (Application Function, AF) entity 109, an authentication server function (Authentication Server Function, AUSF) entity 110, and a network slice selection function (Network Slice Selection Function, NSSF) entity 111.

[0051] Specifically, in the communication system 100, the UE 101 is connected to the AN device 102 through the Uu interface for access layer connection to exchange access layer messages and wireless data transmission, and the UE 101 is connected to the AMF entity 103 through the N1 interface for non-access layer (Non-Access Stratum, NAS) to exchange NAS messages; the AN device 102 is connected to the AMF entity 103 through the N2 interface, and the AN device 102 is connected to the UPF entity 105 through the N3 interface; multiple UPF entities 105 are connected through the N9 interface, and the UPF entity 105 is connected to the DN through the N6 interface. 108 is connected, and at the same time, the UPF entity 105 is connected to the SMF entity 104 through the N4 interface; the SMF entity 104 is connected to the PCF entity 106 through the N7 interface, the SMF entity 104 is connected to the UDM entity 107 through the N10 interface, the SMF entity 104 controls the UPF entity 105 through the N4 interface, and at the same time, the SMF entity 104 is connected to the AMF entity 103 through the N11 interface; multiple AMF entities 103 are connected through the N14 interface, the AMF entity 103 is connected to the UDM entity 107 through the N8 interface, the AMF entity 103 is connected to the AUSF entity 110 through the N12 interface, the AMF entity 103 is connected to the NSSF entity 111 through the N22 interface, and at the same time, the AMF entity 103 is connected to the PCF entity 106 through the N15 interface; the PCF entity 106 is connected to the AF entity 109 through the N5 interface; the AUSF entity 110 is connected to the UDM entity 107 through the N13 interface.

[0052] In the communication system 100, the UDM entity 107 is a subscription database in the core network, which stores the subscription data of users in the 5G network. The AMF entity 103 is a mobility management function in the core network, and the SMF entity 104 is a session management function in the core network. In addition to the mobility management of the UE 101, the AMF entity 103 is also responsible for forwarding the session management related messages between the UE 101 and the SMF entity 104. The PCF entity 106 is a policy management function in the core network, which is responsible for formulating the mobility management, session management, charging and other related policies for the UE 101. The UPF entity 105 is a user plane function in the core network, which transmits data with the external data network through the N6 interface and transmits data with the AN device 102 through the N3 interface. After the UE 101 accesses the 5G network through the Uu port, a protocol data unit (PDU) session data connection is established from the UE 101 to the UPF entity 105 under the control of the SMF entity 104, so as to transmit data. The AMF entity 103 and the SMF entity 104 obtain user subscription data from the UDM entity 107 through the N8 and N10 interfaces respectively, and obtain policy data from the PCF entity 106 through the N15 and N7 interfaces.

[0053] In addition, there is also a network exposure function (NEF) entity in the communication system 100, which is used to interface with a third-party application server and transmit information between the core network node and the third-party application.

[0054] It should be understood that a device having a communication function in a network / system in the embodiments of the present application may be referred to as a communication device.

[0055] It should be noted that the above-mentioned communication system 100 is described by taking the 5G communication system as an example. Of course, the present application can also be applied to other 3GPP communication systems, such as 4G communication systems, or future 3GPP communication systems, and the present application is not limited to this.

[0056] It should be understood that the terms "system" and "network" are often used interchangeably in this article. The term "and / or" in this article is only a description of the association relationship of associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0057] The embodiments of the present application describe various embodiments in combination with terminal devices and network devices, wherein: the terminal device may also be referred to as user equipment, access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc. The terminal device may be a station (STAION, ST) in a WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a Wireless Local Loop (Wireless Local Loop, WLL) station, a Personal Digital Assistant (Personal Digital Assistant, PDA) device, a handheld device with wireless communication function, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, and a next-generation communication system, for example, a terminal device in an NR network or a terminal device in a future evolved Public Land Mobile Network (Public Land Mobile Network, PLMN) network, etc.

[0058] As an example but not limitation, in the embodiments of the present application, the terminal device may also be a wearable device. Wearable devices may also be referred to as wearable smart devices, which are a general term for wearable devices that are intelligently designed and developed using wearable technology for daily wear, such as glasses, gloves, watches, clothing, and shoes. A wearable device is a portable device that is worn directly on the body or integrated into the user's clothes or accessories. Wearable devices are not only hardware devices, but also powerful functions achieved through software support, data interaction, and cloud interaction. Broadly speaking, wearable smart devices include full-featured, large-sized, and fully or partially independent of smartphones, such as smart watches or smart glasses, as well as devices that only focus on a certain type of application function and need to be used in conjunction with other devices such as smartphones, such as various types of smart bracelets and smart jewelry for vital sign monitoring.

[0059] The above-mentioned AN device 102 can be a device for communicating with a mobile device. The AN device 102 can be an access point (AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA, a base station (NodeB, NB) in WCDMA, an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and a base station (gNB) in an NR network, or a network device in a future evolved PLMN network, etc.

[0060] In an embodiment of the present application, a network device provides services for a cell, and a terminal device communicates with the network device through transmission resources (e.g., frequency domain resources, or spectrum resources) used by the cell. The cell may be a cell corresponding to a network device (e.g., a base station). The cell may belong to a macro base station or a base station corresponding to a small cell. The small cells here may include: a metro cell, a micro cell, a picocell, a femtocell, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.

[0061] In the embodiment of the present application, a terminal device with ProSe capability can communicate directly with another terminal device with ProSe capability through the PC5 interface. When a terminal device can connect to an external data network through a 5G network and has ProSe capability, the terminal device can act as a relay terminal. Another remote terminal with ProSe capability can establish a direct connection with the Relay UE through the PC5 interface and interact with the external network through the PDU session established between the remote terminal and the 5G network. Its system architecture is as follows: Figure 2 As shown. Figure 2 As shown, the remote terminal is connected to the relay terminal through the PC5 interface, and the relay terminal is connected to the Next Generation Evolutional Radio Access Network (NG-RAN) through the Uu interface, thereby connecting to the 5G Core Network (5G Core Network, 5GC), and the 5GC is connected to the application server (application server, AS) through the N6 interface.

[0062] It should be noted that Figure 2 The 5G communication system is used as an example for illustration. Of course, it can also be applied to other 3GPP communication systems, such as 4G communication systems, or future 3GPP communication systems, and this application is not limited to this. In addition, in the embodiments of this application, Figure 2 The application server (AS) in the system can also be other terminal devices or the external public security Internet.

[0063] It should be noted that the relay terminal establishes a PDU session with the 5G network, and the remote terminal interacts with the external network through the PDU session of the relay terminal. The network element serving the relay terminal will determine the QoS control of the PDU session of the relay terminal based on the contract information of the relay terminal.

[0064] However, the network element serving the relay terminal cannot obtain the contract information of the remote terminal, and therefore cannot perform effective QoS control on the data transmission of the remote terminal. For example, assuming that the UE-AMBR contracted by the remote terminal is 100Mbps, that is, when the remote terminal directly interacts with the external network through the 5G network, the maximum sum of all non-GBR services at the UE level allowed is 100Mbps. Assuming that the UE-AMBR contracted by the relay terminal is 500Mbps. Since the network element serving the relay terminal cannot obtain the contract information of the remote terminal, when the remote terminal transmits data through the PDU session of the relay terminal, the remote terminal may be able to transmit 500Mbps of data, which far exceeds the contract limit of 100Mbps between the remote terminal and the 5G network.

[0065] Based on this, the embodiment of the present application further improves the PCF of the relay terminal, the AMF of the relay terminal, the SMF of the relay terminal and the functions of the relay terminal when the remote terminal interacts with the external network through the relay terminal, so as to improve the network's control capabilities of the remote terminal and the system performance of the relay terminal.

[0066] Figure 3 A schematic flow chart of a wireless communication method 210 according to an embodiment of the present application is shown, and the method 210 can be executed by a core network device. For example, Figure 2 As another example, the policy control function PCF of the relay terminal.

[0067] like Figure 3 As shown, the method 210 may include:

[0068] S211, obtaining at least one contract information of a remote terminal;

[0069] S212: Determine first quality of service (QoS) control information of the relay terminal based on the at least one subscription information.

[0070] For example, the PCF of the relay terminal may determine the first quality of service QoS control information of the relay terminal based on the at least one subscription information.

[0071] Therefore, the access network device of the relay terminal or the user plane function UPF of the relay terminal can control the QoS of the relay terminal based on the first QoS control information determined by the PCF, so that the relay terminal can control the data transmission of the remote terminal. Accordingly, it can improve the network's control capabilities over the remote terminal and the system performance of the relay terminal.

[0072] In some embodiments of the present application, the at least one subscription information includes first subscription information obtained from an access and mobility management function AMF of the relay terminal.

[0073] In some embodiments of the present application, the first subscription information includes a user equipment aggregate maximum bit rate UE-AMBR.

[0074] In some embodiments of the present application, the at least one subscription information includes second subscription information obtained from a session management function SMF of the relay terminal.

[0075] In some embodiments of the present application, the second subscription information includes at least one of the following subscription information of the remote terminal:

[0076] Session Aggregate Maximum Bit Rate (session-AMBR);

[0077] 5G QoS Identifier (5QI); or

[0078] Allocation and Retention Priority (ARP).

[0079] In some embodiments of the present application, the method 210 may further include:

[0080] The first QoS control information is sent to an access network device of the relay terminal or a user plane function UPF of the relay terminal.

[0081] Figure 4 A schematic flow chart of a wireless communication method 220 according to an embodiment of the present application is shown, and the method 220 can be executed by a core network device. For example, Figure 2 As another example, the policy control function PCF of the relay terminal.

[0082] like Figure 4 As shown, the method 220 may include:

[0083] S221, obtaining at least one contract information of a remote terminal;

[0084] S222: Determine second quality of service QoS control information of the remote terminal based on the at least one subscription information.

[0085] For example, the PCF of the relay terminal may determine the second quality of service QoS control information of the remote terminal based on the at least one subscription information.

[0086] Therefore, the access network equipment of the relay terminal, the user plane function UPF of the relay terminal or the relay terminal can control the QoS of the remote terminal based on the second QoS control information determined by the PCF, and accordingly, can improve the network's control capabilities over the remote terminal and the system performance of the relay terminal.

[0087] In some embodiments of the present application, the at least one subscription information includes first subscription information obtained from an access and mobility management function AMF of the relay terminal.

[0088] In some embodiments of the present application, the first subscription information includes a user equipment aggregate maximum bit rate UE-AMBR.

[0089] In some embodiments of the present application, the at least one subscription information includes second subscription information obtained from a session management function SMF of the relay terminal.

[0090] In some embodiments of the present application, the second subscription information includes at least one of the following subscription information of the remote terminal:

[0091] Session aggregation maximum bit rate session-AMBR;

[0092] 5G QoS identifier 5QI; or

[0093] Allocate and maintain priority ARP.

[0094] In some embodiments of the present application, the at least one contract information includes third contract information obtained from a unified data management UDM or a unified data storage (Unified Data Repository, UDR).

[0095] In some embodiments of the present application, the third signing information includes at least one of the following information:

[0096] UE-PC5 Aggregate Maximum Bit Rate (UE-PC5-AMBR);

[0097] PC5-link Aggregate Maximum Bit Rate (PC5-link-AMBR); or

[0098] The PC5 5G QoS identifier PQI allowed to be used by the remote terminal.

[0099] In some embodiments of the present application, the method further includes:

[0100] Sending the first identifier of the remote terminal to the UDM or the UDR.

[0101] In some embodiments of the present application, the method 220 may further include:

[0102] Receiving a first identifier of the remote terminal sent by an access and mobility management function AMF of the relay terminal or a session management function SMF of the relay terminal; or

[0103] Receive the first identifier and the second identifier of the remote terminal sent by the AMF of the relay terminal or the SMF of the relay terminal, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0104] In some embodiments of the present application, the method 220 may further include:

[0105] Sending the second QoS control information and the first identifier of the remote terminal to the relay terminal; or

[0106] The second QoS control information and a second identifier of the remote terminal are sent to the relay terminal, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0107] In some embodiments of the present application, the second QoS control information is sent to the relay terminal via the access and mobility management function AMF of the relay terminal.

[0108] In some embodiments of the present application, the first identifier includes at least one of the following: a Subscription Concealed Identifier (SUCI), a Subscription Permanent Identifier (SUPI), or a Generic Public Subscription Identifier (GPSI).

[0109] In some embodiments of the present application, the second identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0110] In some embodiments of the present application, the second QoS control information includes at least one of the following information:

[0111] User equipment aggregate maximum bit rate UE-AMBR;

[0112] Session aggregation maximum bit rate session-AMBR;

[0113] 5G QoS identification 5QI;

[0114] Allocate and maintain priority ARP;

[0115] PC5 aggregate maximum bit rate of user equipment UE-PC5-AMBR;

[0116] The aggregate maximum bit rate of the PC5 link, PC5-link-AMBR; or

[0117] The PC5 5G QoS identifier PQI allowed to be used by the remote terminal.

[0118] Combined with the above Figure 3 and Figure 4The wireless communication method according to the embodiment of the present application is described in detail from the perspective of PCF. Figure 5 , the wireless communication method according to the embodiment of the present application is described from the perspective of the access and mobility management function AMF of the relay terminal. It should be understood that the steps involved in the interaction of the various method embodiments provided in the present application can refer to each other.

[0119] Figure 5 A schematic flow chart of a wireless communication method 230 according to an embodiment of the present application is shown. The method 230 may be executed by a core network device. For example, Figure 2 5GC shown. For example, AMF of a relay terminal.

[0120] like Figure 5 As shown, the method 230 may include:

[0121] S231, sending a first identifier of a remote terminal to the unified data management UDM or the unified data storage UDR;

[0122] S232, receiving the first subscription information of the remote terminal sent by the UDM or the UDR.

[0123] In some embodiments of the present application, the first subscription information includes a user equipment aggregate maximum bit rate UE-AMBR.

[0124] In some embodiments of the present application, the method 230 may further include:

[0125] Sending the first identifier to a session management function SMF of the relay terminal; or

[0126] The first identifier and the second identifier are sent to the SMF, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0127] In some embodiments of the present application, the method 230 may further include:

[0128] Sending the first identifier to a policy control function PCF of the relay terminal; or

[0129] The first identifier and the second identifier are sent to the PCF, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0130] In some embodiments of the present application, the method 230 may further include:

[0131] The first subscription information is sent to the policy control function PCF of the relay terminal.

[0132] In some embodiments of the present application, the method 230 may further include:

[0133] Receiving second quality of service QoS control information and the first identifier sent by a policy control function PCF of the relay terminal;

[0134] The second QoS control information and the second identifier are sent to the relay terminal, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0135] In some embodiments of the present application, the method 230 may further include:

[0136] Receiving second quality of service QoS control information and a second identifier sent by a policy control function PCF of the relay terminal, where the second identifier is an identifier of the remote terminal that is different from the first identifier;

[0137] Send the second QoS control information and the second identifier to the relay terminal.

[0138] In some embodiments of the present application, the second identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0139] In some embodiments of the present application, the first identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0140] The following will be combined Figure 6 , the wireless communication method according to the embodiment of the present application is described from the perspective of the session management function SMF of the relay terminal. It should be understood that the steps involved in the interaction of the various method embodiments provided in the present application can refer to each other.

[0141] Figure 6 A schematic flow chart of a wireless communication method 240 according to an embodiment of the present application is shown. The method 240 may be executed by a core network device. For example, Figure 2 5GC shown. For example, SMF of relay terminal.

[0142] like Figure 6 As shown, the method 240 may include:

[0143] S241, sending a first identifier of a remote terminal to the unified data management UDM or the unified data storage UDR;

[0144] S242, receiving the second subscription information of the remote terminal sent by the UDM or the UDR.

[0145] In some embodiments of the present application, the second subscription information includes at least one of the following subscription information of the remote terminal:

[0146] Session aggregation maximum bit rate session-AMBR;

[0147] 5G QoS identifier 5QI; or

[0148] Allocate and maintain priority ARP.

[0149] In some embodiments of the present application, the method 240 may further include:

[0150] Receiving the first identifier sent by an access and mobility management function AMF of the relay terminal; or

[0151] Receive the first identifier and the second identifier sent by the AMF, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0152] In some embodiments of the present application, the method 240 may further include:

[0153] Sending the first identifier to a policy control function PCF of the relay terminal; or

[0154] The first identifier and the second identifier are sent to the PCF, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0155] In some embodiments of the present application, the second identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0156] In some embodiments of the present application, the first identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0157] In some embodiments of the present application, the method 240 may further include:

[0158] The second subscription information is sent to the policy control function PCF of the relay terminal.

[0159] The following will be combined Figure 7 , describes the wireless communication method according to the embodiment of the present application from the perspective of the relay terminal. It should be understood that the steps involving interaction in the various method embodiments provided in the present application can refer to each other.

[0160] Figure 72 shows a schematic flow chart of a wireless communication method 250 according to an embodiment of the present application. The method 250 may be executed by a relay terminal. For example, Figure 2 The relay terminal shown.

[0161] like Figure 7 As shown, the method 250 may include:

[0162] S251, obtaining second quality of service QoS control information of the remote terminal;

[0163] S252: Control data transmission of the remote terminal based on the second QoS control information.

[0164] For example, the relay terminal may control the QoS of the remote terminal through the second QoS control information to improve the network's control capability over the remote terminal and the system performance of the relay terminal.

[0165] In some embodiments of the present application, the second QoS control information is information determined by a policy control function PCF of the relay terminal based on at least one subscription information of the remote terminal.

[0166] In some embodiments of the present application, the S251 may include:

[0167] receiving the second QoS control information and the first identifier of the remote terminal; or

[0168] The second QoS control information and a second identifier of the remote terminal are received, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0169] In some embodiments of the present application, the first identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0170] In some embodiments of the present application, the second identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0171] In some embodiments of the present application, the second QoS control information is information configured by a policy control function PCF of the relay terminal for the relay terminal.

[0172] In some embodiments of the present application, the second QoS control information includes at least one of the following information:

[0173] User equipment aggregate maximum bit rate UE-AMBR;

[0174] Session aggregation maximum bit rate session-AMBR;

[0175] 5G QoS identification 5QI;

[0176] Allocate and maintain priority ARP;

[0177] PC5 aggregate maximum bit rate of user equipment UE-PC5-AMBR;

[0178] The aggregate maximum bit rate of the PC5 link, PC5-link-AMBR; or

[0179] The PC5 5G QoS identifier PQI allowed to be used by the remote terminal.

[0180] In some embodiments of the present application, the S252 may include:

[0181] Sending the second QoS control information to the remote terminal; and / or

[0182] Based on the second QoS control information, controlling the bit rate of the uplink or downlink data packet of the remote terminal; and / or

[0183] Based on the second QoS control information, accept, reject or modify the QoS request on the PC5 interface of the remote terminal.

[0184] For example, discarding data packets whose rate in the uplink or downlink data packets of the remote terminal exceeds at least one of the following:

[0185] User equipment aggregate maximum bit rate UE-AMBR;

[0186] Session aggregation maximum bit rate session-AMBR;

[0187] PC5 aggregate maximum bit rate of user equipment UE-PC5-AMBR; or

[0188] The aggregate maximum bit rate of the PC5 link is PC5-link-AMBR.

[0189] In some embodiments of the present application, the method 250 may further include:

[0190] The QoS control information transmitted on the Uu interface is converted into QoS control information transmitted on the PC5 interface.

[0191] Figure 8 It is a schematic flowchart of the wireless communication method 300 provided in an embodiment of the present application.

[0192] like Figure 8As shown, the 300 may include part or all of the following:

[0193] S301, the AMF of the relay terminal sends the remote terminal identifier to the UDM.

[0194] For example, the AMF of the relay terminal can obtain the first identifier of the remote terminal (such as SUCI, SUPI or GPSI), and the AMF of the relay terminal sends the identifier of the remote terminal to the UDM.

[0195] S302, the AMF of the relay terminal receives the first subscription information of the remote terminal sent by the UDM.

[0196] For example, the AMF of the relay terminal obtains the first subscription information of the remote terminal from the UDM, including the UE-AMBR subscribed by the remote terminal.

[0197] S303, the AMF of the relay terminal sends the remote terminal identifier to the SMF of the relay terminal.

[0198] For example, the AMF of the relay terminal sends the first identifier of the remote terminal to the SMF of the relay terminal.

[0199] S304: The SMF of the relay terminal sends the remote terminal identifier to the UDM.

[0200] For example, the SMF of the relay terminal sends the first identifier of the remote terminal to the UDM.

[0201] S305, the SMF of the relay terminal receives the second subscription information of the remote terminal sent by the UDM.

[0202] For example, the SMF of the relay terminal obtains the second subscription information of the remote terminal from the UDM, including the session-AMBR, 5QI, ARP and other information used for QoS control for a specific DNN or slice subscribed by the remote terminal.

[0203] S306, the AMF of the relay terminal sends the first subscription information of the remote terminal to the PCF of the relay terminal.

[0204] For example, the AMF of the relay terminal sends the first subscription information of the remote terminal, such as the UE-AMBR subscribed by the remote terminal, to the PCF of the relay terminal.

[0205] S307, the SMF of the relay terminal sends the second subscription information of the remote terminal to the PCF of the relay terminal.

[0206] For example, the SMF of the relay terminal sends the second subscription information of the remote terminal, such as the subscribed session-AMBR, 5QI, and ARP of the remote terminal, to the PCF of the relay terminal.

[0207] S308, the PCF of the relay terminal determines the first QoS control information of the relay terminal based on the first subscription information and the second subscription information.

[0208] For example, the PCF of the relay terminal adjusts the QoS control information of the relay terminal according to the subscription information of the remote terminal, such as adjusting the UE-AMBR or session-AMBR of the relay terminal.

[0209] Fig. 9 It is a schematic flowchart of a wireless communication method 400 provided in an embodiment of the present application.

[0210] like Fig. 9 As shown, the 400 may include part or all of the following:

[0211] S401, the AMF of the relay terminal sends the remote terminal identifier to the UDM.

[0212] S402, the AMF of the relay terminal receives the first subscription information of the remote terminal sent by the UDM.

[0213] S403, the AMF of the relay terminal sends the remote terminal identifier to the SMF of the relay terminal.

[0214] S404: The SMF of the relay terminal sends the remote terminal identifier to the UDM.

[0215] S405, the SMF of the relay terminal receives the second subscription information of the remote terminal sent by the UDM.

[0216] S406, the AMF of the relay terminal sends the first subscription information of the remote terminal to the PCF of the relay terminal.

[0217] S407, the SMF of the relay terminal sends the second subscription information of the remote terminal to the PCF of the relay terminal.

[0218] It should be noted that Fig. 9 S401~S407 in can be found in Figure 8 The descriptions of S301 to S307 are not repeated here to avoid repetition.

[0219] S408a, the AMF of the relay terminal sends the remote terminal identifier to the PCF of the relay terminal.

[0220] S408b, the SMF of the relay terminal sends the remote terminal identifier to the PCF of the relay terminal.

[0221] For example, the AMF of the relay terminal or the SMF of the relay terminal sends the first identifier of the remote terminal (for example, SUCI, SUPI, or GPSI), or a combination of the first identifier of the remote terminal and the second identifier of the remote terminal (for example, an identifier different from the first identifier in SUCI, SUPI, or GPSI) to the PCF of the relay terminal.

[0222] S409: The PCF of the relay terminal sends the remote terminal identifier to the UDM.

[0223] For example, the PCF of the relay terminal sends the first identifier of the remote terminal to the UDM.

[0224] S410, the PCF of the relay terminal receives the third subscription information of the remote terminal sent by the UDM.

[0225] For example, the PCF of the relay terminal obtains the third subscription information of the remote terminal from the UDM, including the PC5 QoS control parameters subscribed by the remote terminal, such as the UE-PC5-AMBR of the remote terminal, or PC5-link-AMBR or PQI information allowed to be used by the remote terminal.

[0226] S411, the PCF of the relay terminal determines the second QoS control information of the remote terminal.

[0227] For example, the PCF of the relay terminal determines the QoS parameters for controlling the remote terminal, such as UE-PC5-AMBR for controlling the remote terminal to transmit data through the PC5 interface, or PC5-link-AMBR or PQI information allowed for the remote terminal to use, or UE-AMBR for controlling the remote terminal to transmit data through the Uu interface, session-AMBR, 5QI, ARP of a specific DNN or slice.

[0228] S412: The PCF of the relay terminal sends second QoS control information of the remote terminal to the relay terminal.

[0229] For example, the PCF of the relay terminal sends the QoS parameters for controlling the remote terminal and the first identifier of the remote terminal or the second identifier of the remote terminal to the relay terminal. The message of this step is forwarded by the AMF of the relay terminal. Optionally, the AMF of the relay terminal can replace the first identifier of the remote terminal in the message received from the PCF of the relay terminal with the second identifier of the remote terminal and then send it to the relay terminal.

[0230] S413: The relay terminal controls data transmission of the remote terminal based on the second QoS control information.

[0231] For example, the relay terminal is responsible for controlling the data transmission of the remote terminal. For example, the relay terminal can accept, reject or modify the QoS request on the PC5 interface of the remote terminal according to the QoS parameters for controlling the remote terminal; and / or, the relay terminal further sends the received QoS parameters for controlling the remote terminal to the remote terminal; and / or, the relay terminal converts the parameters for QoS control of the data transmitted by the remote terminal through the Uu interface into the parameters for QoS control of the data transmitted by the remote terminal through the PC5 interface; and / or, the relay terminal performs bit rate control of the uplink or downlink data packets of the remote terminal according to the QoS parameters for controlling the remote terminal, such as discarding data packets exceeding the AMBR.

[0232] It should be understood that Figure 8 and Fig. 9 This is only an example of the present application and should not be construed as limiting the present application.

[0233] For example, the AMF / SMF / PCF of the relay terminal does not need to obtain the contract of the remote terminal.

[0234] For example, the PCF of the relay terminal can configure QoS control information on the relay terminal. For example, the same QoS control is used for any remote terminal using a specific slice, DNN, service type, service code, or application identifier; for example, UE-PC5-AMBR, PC5-link-AMBR, allowed PQI information, UE-AMBR or session-AMBR for controlling data transmission through the Uu interface, etc. Another example is the total AMBR information for controlling all traffic that does not distinguish between remote terminals for a specific slice, DNN, service type, service code, or application identifier. Based on this, the relay terminal controls the data transmission of the remote terminal according to the configuration information.

[0235] The preferred embodiments of the present application are described in detail above in conjunction with the accompanying drawings. However, the present application is not limited to the specific details in the above embodiments. Within the technical concept of the present application, the technical solution of the present application can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present application. For example, the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present application will not further explain various possible combinations. For another example, the various different embodiments of the present application can also be arbitrarily combined, as long as they do not violate the ideas of the present application, they should also be regarded as the contents disclosed in the present application.

[0236] It should also be understood that in various method embodiments of the present application, the size of the sequence number of each process does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiment of the present application. In addition, in the embodiment of the present application, the terms "downlink" and "uplink" are used to indicate the transmission direction of the signal or data, wherein "downlink" is used to indicate that the transmission direction of the signal or data is a first direction sent from the site to the user equipment of the cell, and "uplink" is used to indicate that the transmission direction of the signal or data is a second direction sent from the user equipment of the cell to the site, for example, "downlink signal" indicates that the transmission direction of the signal is the first direction. In addition, in the embodiment of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there can be three relationships. Specifically, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0237] Combination of the above Figures 1 to 9 , describes in detail the method embodiment of the present application, and the following is combined with Figures 10 to 16 , describe in detail the device embodiments of the present application.

[0238] Fig.10 It is a schematic block diagram of the core network device 510 of an embodiment of the present application.

[0239] like Fig.10 As shown, the core network device 510 may include:

[0240] The acquiring unit 511 is used to acquire at least one contract information of a remote terminal;

[0241] The determining unit 512 is configured to determine first quality of service QoS control information of the relay terminal based on the at least one subscription information.

[0242] In some embodiments of the present application, the at least one subscription information includes first subscription information obtained from an access and mobility management function AMF of the relay terminal.

[0243] In some embodiments of the present application, the first subscription information includes a user equipment aggregate maximum bit rate UE-AMBR.

[0244] In some embodiments of the present application, the at least one subscription information includes second subscription information obtained from a session management function SMF of the relay terminal.

[0245] The second subscription information includes at least one of the following subscription information of the remote terminal:

[0246] Session aggregation maximum bit rate session-AMBR;

[0247] 5G QoS identifier 5QI; or

[0248] Allocate and maintain priority ARP.

[0249] In some embodiments of the present application, the acquiring unit 511 is further configured to:

[0250] The first QoS control information is sent to an access network device of the relay terminal or a user plane function UPF of the relay terminal.

[0251] It should be understood that the device embodiment and the method embodiment may correspond to each other, and similar descriptions may refer to the method embodiment. Specifically, Fig.10 The core network device 510 shown may correspond to the corresponding subject in the method 210, 300 or 400 of the embodiment of the present application, and the aforementioned and other operations and / or functions of each unit in the core network device 510 are respectively to implement Figure 3 , Figure 8 or Fig. 9 For the sake of brevity, the corresponding processes in each method are not repeated here.

[0252] Fig.11 It is a schematic block diagram of the core network device 520 of an embodiment of the present application.

[0253] like Fig.11 As shown, the core network device 520 may include:

[0254] The acquiring unit 521 is used to acquire at least one contract information of a remote terminal;

[0255] The determining unit 522 is configured to determine second quality of service QoS control information of the remote terminal based on the at least one subscription information.

[0256] In some embodiments of the present application, the at least one subscription information includes first subscription information obtained from an access and mobility management function AMF of the relay terminal.

[0257] In some embodiments of the present application, the first subscription information includes a user equipment aggregate maximum bit rate UE-AMBR.

[0258] In some embodiments of the present application, the at least one subscription information includes second subscription information obtained from a session management function SMF of the relay terminal.

[0259] In some embodiments of the present application, the second subscription information includes at least one of the following subscription information of the remote terminal:

[0260] Session aggregation maximum bit rate session-AMBR;

[0261] 5G QoS identifier 5QI; or

[0262] Allocate and maintain priority ARP.

[0263] In some embodiments of the present application, the at least one contract information includes third contract information obtained from the unified data management UDM or the unified data storage UDR.

[0264] In some embodiments of the present application, the third signing information includes at least one of the following information:

[0265] PC5 aggregate maximum bit rate of user equipment UE-PC5-AMBR;

[0266] The aggregate maximum bit rate of the PC5 link, PC5-link-AMBR; or

[0267] The PC5 5G QoS identifier PQI allowed to be used by the remote terminal.

[0268] In some embodiments of the present application, the acquiring unit 521 is further used to:

[0269] Sending the first identifier of the remote terminal to the UDM or the UDR.

[0270] In some embodiments of the present application, the acquiring unit 521 is further used to:

[0271] Receiving a first identifier of the remote terminal sent by an access and mobility management function AMF of the relay terminal or a session management function SMF of the relay terminal; or

[0272] Receive the first identifier and the second identifier of the remote terminal sent by the AMF of the relay terminal or the SMF of the relay terminal, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0273] In some embodiments of the present application, the acquiring unit 521 is further used to:

[0274] Sending the second QoS control information and the first identifier of the remote terminal to the relay terminal; or

[0275] The second QoS control information and a second identifier of the remote terminal are sent to the relay terminal, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0276] In some embodiments of the present application, the second QoS control information is sent to the relay terminal via the access and mobility management function AMF of the relay terminal.

[0277] In some embodiments of the present application, the first identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0278] In some embodiments of the present application, the second identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0279] In some embodiments of the present application, the second QoS control information includes at least one of the following information:

[0280] User equipment aggregate maximum bit rate UE-AMBR;

[0281] Session aggregation maximum bit rate session-AMBR;

[0282] 5G QoS identification 5QI;

[0283] Allocate and maintain priority ARP;

[0284] PC5 aggregate maximum bit rate of user equipment UE-PC5-AMBR;

[0285] The aggregate maximum bit rate of the PC5 link, PC5-link-AMBR; or

[0286] The PC5 5G QoS identifier PQI allowed to be used by the remote terminal.

[0287] It should be understood that the device embodiment and the method embodiment may correspond to each other, and similar descriptions may refer to the method embodiment. Specifically, Fig.11 The core network device 520 shown may correspond to the corresponding subject in the method 220, 300 or 400 of the embodiment of the present application, and the aforementioned and other operations and / or functions of each unit in the core network device 520 are respectively to implement Figure 4 , Figure 8 or Fig. 9 For the sake of brevity, the corresponding processes in each method are not repeated here.

[0288] Fig.12 It is a schematic block diagram of the core network device 530 of an embodiment of the present application.

[0289] like Fig.12 As shown, the core network device 530 may include:

[0290] A sending unit 531 is configured to send a first identifier of a remote terminal to the unified data management UDM or the unified data storage UDR;

[0291] The receiving unit 532 is used to receive the first subscription information of the remote terminal sent by the UDM or the UDR.

[0292] In some embodiments of the present application, the first subscription information includes a user equipment aggregate maximum bit rate UE-AMBR.

[0293] In some embodiments of the present application, the sending unit 531 is further configured to:

[0294] Sending the first identifier to a session management function SMF of the relay terminal; or

[0295] The first identifier and the second identifier are sent to the SMF, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0296] In some embodiments of the present application, the sending unit 531 is further configured to:

[0297] Sending the first identifier to a policy control function PCF of the relay terminal; or

[0298] The first identifier and the second identifier are sent to the PCF, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0299] In some embodiments of the present application, the sending unit 531 is further configured to:

[0300] The first subscription information is sent to the policy control function PCF of the relay terminal.

[0301] In some embodiments of the present application, the receiving unit 532 is further configured to:

[0302] Receiving the second quality of service QoS control information and the first identifier sent by the policy control function PCF of the relay terminal; the sending unit 531 is also used for:

[0303] The second QoS control information and the second identifier are sent to the relay terminal, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0304] In some embodiments of the present application, the receiving unit 532 is further configured to:

[0305] receiving second quality of service QoS control information and a second identifier sent by a policy control function PCF of the relay terminal, where the second identifier is an identifier of the remote terminal that is different from the first identifier; the sending unit 531 is further used to:

[0306] Send the second QoS control information and the second identifier to the relay terminal.

[0307] In some embodiments of the present application, the second identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0308] In some embodiments of the present application, the first identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0309] It should be understood that the device embodiment and the method embodiment may correspond to each other, and similar descriptions may refer to the method embodiment. Specifically, Fig.12 The core network device 530 shown may correspond to the corresponding subject in the method 230, 300 or 400 of the embodiment of the present application, and the aforementioned and other operations and / or functions of each unit in the core network device 530 are respectively to implement Figure 5 , Figure 8 or Fig. 9 For the sake of brevity, the corresponding processes in each method are not repeated here.

[0310] Fig.13 It is a schematic block diagram of the core network device 540 of an embodiment of the present application.

[0311] like Fig.13 As shown, the core network device 540 may include:

[0312] A sending unit 541 is configured to send a first identifier of a remote terminal to the unified data management UDM or the unified data storage UDR;

[0313] The receiving unit 542 is used to receive the second subscription information of the remote terminal sent by the UDM or the UDR.

[0314] In some embodiments of the present application, the second subscription information includes at least one of the following subscription information of the remote terminal:

[0315] Session aggregation maximum bit rate session-AMBR;

[0316] 5G QoS identifier 5QI; or

[0317] Allocate and maintain priority ARP.

[0318] In some embodiments of the present application, the receiving unit 542 is further configured to:

[0319] Receiving the first identifier sent by an access and mobility management function AMF of the relay terminal; or

[0320] Receive the first identifier and the second identifier sent by the AMF, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0321] In some embodiments of the present application, the sending unit 541 is further configured to:

[0322] Sending the first identifier to a policy control function PCF of the relay terminal; or

[0323] The first identifier and the second identifier are sent to the PCF, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0324] In some embodiments of the present application, the second identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0325] In some embodiments of the present application, the first identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0326] In some embodiments of the present application, the sending unit 541 is further configured to:

[0327] The second subscription information is sent to the policy control function PCF of the relay terminal.

[0328] It should be understood that the device embodiment and the method embodiment may correspond to each other, and similar descriptions may refer to the method embodiment. Specifically, Fig.13 The core network device 540 shown may correspond to the corresponding subject in the method 240, 300 or 400 of the embodiment of the present application, and the aforementioned and other operations and / or functions of each unit in the core network device 540 are respectively to implement Figure 6 , Figure 8 or Fig. 9 For the sake of brevity, the corresponding processes in each method are not repeated here.

[0329] Fig.14 It is a schematic block diagram of the relay terminal 550 according to an embodiment of the present application.

[0330] like Fig.14 As shown, the relay terminal 550 may include:

[0331] An acquiring unit 551 is configured to acquire second quality of service QoS control information of a remote terminal;

[0332] The control unit 552 is used to control the data transmission of the remote terminal based on the second QoS control information.

[0333] In some embodiments of the present application, the second QoS control information is information determined by a policy control function PCF of the relay terminal based on at least one subscription information of the remote terminal.

[0334] In some embodiments of the present application, the acquisition unit 551 is specifically used to:

[0335] receiving the second QoS control information and the first identifier of the remote terminal; or

[0336] The second QoS control information and a second identifier of the remote terminal are received, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

[0337] In some embodiments of the present application, the first identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0338] In some embodiments of the present application, the second identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI, or a general public user identifier GPSI.

[0339] In some embodiments of the present application, the second QoS control information is information configured by a policy control function PCF of the relay terminal for the relay terminal.

[0340] In some embodiments of the present application, the second QoS control information includes at least one of the following information:

[0341] User equipment aggregate maximum bit rate UE-AMBR;

[0342] Session aggregation maximum bit rate session-AMBR;

[0343] 5G QoS identification 5QI;

[0344] Allocate and maintain priority ARP;

[0345] PC5 aggregate maximum bit rate of user equipment UE-PC5-AMBR;

[0346] The aggregate maximum bit rate of the PC5 link, PC5-link-AMBR; or

[0347] The PC5 5G QoS identifier PQI allowed to be used by the remote terminal.

[0348] In some embodiments of the present application, the control unit 552 is specifically used to:

[0349] Sending the second QoS control information to the remote terminal; and / or

[0350] Based on the second QoS control information, controlling the bit rate of the uplink or downlink data packet of the remote terminal; and / or

[0351] Based on the second QoS control information, accept, reject or modify the QoS request on the PC5 interface of the remote terminal.

[0352] In some embodiments of the present application, the control unit 552 is specifically used to:

[0353] Discarding data packets of the uplink or downlink data packets of the remote terminal whose rate exceeds at least one of the following:

[0354] User equipment aggregate maximum bit rate UE-AMBR;

[0355] Session aggregation maximum bit rate session-AMBR;

[0356] PC5 aggregate maximum bit rate of user equipment UE-PC5-AMBR; or

[0357] The aggregate maximum bit rate of the PC5 link is PC5-link-AMBR.

[0358] In some embodiments of the present application, the control unit 552 is further configured to:

[0359] The QoS control information transmitted on the Uu interface is converted into QoS control information transmitted on the PC5 interface.

[0360] It should be understood that the device embodiment and the method embodiment may correspond to each other, and similar descriptions may refer to the method embodiment. Specifically, Fig.10 The relay terminal 550 shown may correspond to the corresponding subject in the method 250, 300 or 400 of the embodiment of the present application, and the aforementioned and other operations and / or functions of each unit in the relay terminal 550 are respectively to implement Figure 3 , Figure 8 or Fig. 9 For the sake of brevity, the corresponding processes in each method are not repeated here.

[0361] The communication device of the embodiment of the present application is described above from the perspective of functional modules in conjunction with the accompanying drawings. It should be understood that the functional modules can be implemented in hardware form, can also be implemented by software instructions, and can also be implemented by a combination of hardware and software modules.

[0362] Specifically, each step of the method embodiment in the embodiment of the present application can be completed by the hardware integrated logic circuit and / or software instructions in the processor. The steps of the method disclosed in the embodiment of the present application can be directly reflected as being executed by a hardware decoding processor, or being executed by a combination of hardware and software modules in the decoding processor.

[0363] Optionally, the software module may be located in a mature storage medium in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an electrically erasable programmable memory, a register, etc. The storage medium is located in the memory, and the processor reads the information in the memory and completes the steps in the above method embodiment in combination with its hardware.

[0364] For example, the processing unit and the communication unit mentioned above may be implemented by a processor and a transceiver, respectively.

[0365] Fig.15 It is a schematic structural diagram of a communication device 600 according to an embodiment of the present application.

[0366] like Fig.15 As shown, the communication device 600 may include a processor 610 .

[0367] The processor 610 may call and run a computer program from the memory to implement the method in the embodiment of the present application.

[0368] Please continue to see Fig.15 , the communication device 600 may further include a memory 620 .

[0369] The memory 620 may be used to store indication information, and may also be used to store codes, instructions, etc. executed by the processor 610. The processor 610 may call and run a computer program from the memory 620 to implement the method in the embodiment of the present application. The memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.

[0370] Please continue to see Fig.15 , the communication device 600 may further include a transceiver 630 .

[0371] The processor 610 may control the transceiver 630 to communicate with other devices, specifically, to send information or data to other devices, or to receive information or data sent by other devices. The transceiver 630 may include a transmitter and a receiver. The transceiver 630 may further include an antenna, and the number of antennas may be one or more.

[0372] It should be understood that the various components in the communication device 600 are connected via a bus system, wherein the bus system includes not only a data bus but also a power bus, a control bus and a status signal bus.

[0373] It should also be understood that the communication device 600 may be a core network device of an embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the core network device in each method of the embodiment of the present application, that is, it may correspond to the execution of the corresponding subject in the method according to the embodiment of the present application, and for the sake of brevity, it will not be repeated here. Similarly, the communication device 600 may be a relay terminal of an embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the relay terminal in each method of the embodiment of the present application. That is to say, it may correspond to the execution of the corresponding subject in the method according to the embodiment of the present application, and for the sake of brevity, it will not be repeated here.

[0374] In addition, a chip is also provided in an embodiment of the present application.

[0375] For example, the chip may be an integrated circuit chip with signal processing capabilities, and can implement or execute the methods, steps, and logic diagrams disclosed in the embodiments of the present application. The chip may also be called a system-level chip, a system chip, a chip system, or a system-on-chip chip, etc. Optionally, the chip can be applied to various communication devices, so that the communication device equipped with the chip can execute the methods, steps, and logic diagrams disclosed in the embodiments of the present application.

[0376] Fig.16 is a schematic structural diagram of a chip 700 according to an embodiment of the present application.

[0377] like Fig.16 As shown, the chip 700 includes a processor 710 .

[0378] The processor 710 may call and run a computer program from the memory to implement the method in the embodiment of the present application.

[0379] Please continue to see Fig.16 , the chip 700 may further include a memory 720 .

[0380] The processor 710 may call and run a computer program from the memory 720 to implement the method in the embodiment of the present application. The memory 720 may be used to store indication information, and may also be used to store codes, instructions, etc. executed by the processor 710. The memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.

[0381] Please continue to see Fig.16 , the chip 700 may further include an input interface 730 .

[0382] The processor 710 may control the input interface 730 to communicate with other devices or chips, and specifically, may obtain information or data sent by other devices or chips.

[0383] Please continue to see Fig.16 , the chip 700 may further include an output interface 740 .

[0384] The processor 710 may control the output interface 740 to communicate with other devices or chips, and specifically, may output information or data to other devices or chips.

[0385] It should be understood that the chip 700 can be applied to the network device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the network device in the various methods of the embodiments of the present application, and can also implement the corresponding processes implemented by the terminal device in the various methods of the embodiments of the present application. For the sake of brevity, it will not be repeated here.

[0386] It should also be understood that the various components in the chip 700 are connected via a bus system, wherein the bus system includes not only a data bus but also a power bus, a control bus and a status signal bus.

[0387] The processors mentioned above may include but are not limited to:

[0388] General-purpose processor, digital signal processor (DSP), application-specific integrated circuit (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc.

[0389] The processor can be used to implement or execute the methods, steps and logic block diagrams disclosed in the embodiments of the present application. The steps of the method disclosed in the embodiments of the present application can be directly embodied as a hardware decoding processor, or a combination of hardware and software modules in the decoding processor. The software module can be located in a mature storage medium in the field such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory or an erasable programmable memory, a register, etc. The storage medium is located in a memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.

[0390] The memory mentioned above includes but is not limited to:

[0391] Volatile memory and / or non-volatile memory. Among them, the non-volatile memory can be read-only memory (ROM), programmable ROM (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM) or flash memory. The volatile memory can be random access memory (RAM), which is used as an external cache. By way of example and not limitation, many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link DRAM (SLDRAM), and direct RAM bus random access memory (DR RAM).

[0392] It should be noted that the memory described herein is intended to include these and any other suitable types of memory.

[0393] In an embodiment of the present application, a computer-readable storage medium is further provided for storing computer programs. The computer-readable storage medium stores one or more programs, and the one or more programs include instructions, which, when executed by a portable electronic device including multiple application programs, enable the portable electronic device to execute the methods of the embodiments shown in methods 300 to 500.

[0394] Optionally, the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.

[0395] Optionally, the computer-readable storage medium can be applied to the mobile terminal / terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal / terminal device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.

[0396] A computer program product is also provided in an embodiment of the present application, including a computer program.

[0397] Optionally, the computer program product can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.

[0398] Optionally, the computer program product can be applied to the mobile terminal / terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal / terminal device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.

[0399] The embodiment of the present application further provides a computer program. When the computer program is executed by a computer, the computer can execute the method of the method embodiment.

[0400] Optionally, the computer program can be applied to the network device in the embodiments of the present application. When the computer program runs on a computer, the computer executes the corresponding processes implemented by the network device in the various methods in the embodiments of the present application. For the sake of brevity, they are not described here.

[0401] In addition, the embodiment of the present application also provides a communication system, which may include the terminal device and the network device involved above to form a communication system as follows: Figure 1 The communication system 100 shown is not described in detail for the sake of brevity. It should be noted that the term "system" and the like in this document may also be referred to as "network management architecture" or "network system" and the like.

[0402] It should also be understood that the terms used in the embodiments of the present application and the appended claims are for the purpose of describing specific embodiments only and are not intended to limit the embodiments of the present application.

[0403] For example, as used in the embodiments of the present application and the appended claims, the singular forms "a," "said," "above," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

[0404] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the embodiments of the present application.

[0405] If implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the embodiment of the present application is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory, a random access memory, a magnetic disk or an optical disk.

[0406] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0407] In several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods may be implemented in other ways.

[0408] For example, the division of units or modules or components in the device embodiment described above is only a logical function division, and there may be other division methods in actual implementation. For example, multiple units or modules or components can be combined or integrated into another system, or some units or modules or components can be ignored or not executed.

[0409] For another example, the units / modules / components described above as separation / display components may or may not be physically separated, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units / modules / components may be selected according to actual needs to achieve the purpose of the embodiments of the present application.

[0410] Finally, it should be noted that the mutual coupling or direct coupling or communication connection shown or discussed above may be an indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.

[0411] The above contents are only specific implementation methods of the embodiments of the present application, but the protection scope of the embodiments of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or replacements within the technical scope disclosed in the embodiments of the present application, which should be included in the protection scope of the embodiments of the present application. Therefore, the protection scope of the embodiments of the present application shall be based on the protection scope of the claims.

Claims

1. A wireless communication method, characterized in that: The policy control function PCF applied to the relay terminal includes: Obtaining at least one contract information of a remote terminal; Determining second quality of service QoS control information of the remote terminal based on the at least one subscription information; Among them, the second QoS control information is used by the relay terminal to control the bit rate of the uplink or downlink data packets of the remote terminal; and / or the second QoS control information is used by the relay terminal to accept, reject or modify the QoS request on the PC5 interface of the remote terminal.

2. The method according to claim 1, characterized in that The at least one subscription information includes first subscription information obtained from the access and mobility management function AMF of the relay terminal.

3. The method according to claim 2, characterized in that The first subscription information includes a user equipment aggregate maximum bit rate UE-AMBR.

4. The method according to claim 1, characterized in that: The at least one contract information includes second contract information obtained from a session management function SMF of the relay terminal.

5. The method according to claim 4, characterized in that The second subscription information includes at least one of the following subscription information of the remote terminal: Session aggregation maximum bit rate session-AMBR; 5G QoS identifier 5QI; or Allocate and maintain priority ARP.

6. The method according to claim 1, characterized in that The at least one contract information includes third contract information obtained from the unified data management UDM or the unified data storage UDR.

7. The method according to claim 6, characterized in that The third signing information includes at least one of the following information: PC5 aggregate maximum bit rate of user equipment UE-PC5-AMBR; The aggregate maximum bit rate of the PC5 link, PC5-link-AMBR; or The PC5 5G QoS identifier PQI allowed to be used by the remote terminal.

8. The method according to claim 6, characterized in that Before acquiring the third signing information, the method further includes: Sending the first identifier of the remote terminal to the UDM or the UDR.

9. The method according to claim 6, characterized in that Before acquiring the third signing information, the method further includes: Receiving a first identifier of the remote terminal sent by an access and mobility management function AMF of the relay terminal or a session management function SMF of the relay terminal; or Receive the first identifier and the second identifier of the remote terminal sent by the AMF of the relay terminal or the SMF of the relay terminal, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

10. The method according to claim 1, characterized in that The method further comprises: Sending the second QoS control information and the first identifier of the remote terminal to the relay terminal; or The second QoS control information and a second identifier of the remote terminal are sent to the relay terminal, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

11. The method according to claim 10, characterized in that The second QoS control information is sent to the relay terminal through the access and mobility management function AMF of the relay terminal.

12. The method according to claim 9 or 10, characterized in that: The first identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI or a general public user identifier GPSI.

13. The method according to claim 9 or 10, characterized in that: The second identifier includes at least one of the following: a hidden user identity SUCI, a permanent user identity SUPI or a general public user identity GPSI.

14. The method according to claim 1, characterized in that The second QoS control information includes at least one of the following information: User equipment aggregate maximum bit rate UE-AMBR; Session aggregation maximum bit rate session-AMBR; 5G QoS identification 5QI; Allocate and maintain priority ARP; PC5 aggregate maximum bit rate of user equipment UE-PC5-AMBR; The aggregate maximum bit rate of the PC5 link, PC5-link-AMBR; or The PC5 5G QoS identifier PQI allowed to be used by the remote terminal.

15. A wireless communication method, characterized in that: Access and mobility management function (AMF) applied to relay terminals, including: Sending a first identifier of the remote terminal to the unified data management UDM or the unified data storage UDR; Receiving first subscription information of the remote terminal sent by the UDM or the UDR; Among them, the first subscription information is used to determine the second quality of service QoS control information of the remote terminal, and the second QoS control information is used by the relay terminal to control the bit rate of the uplink or downlink data packets of the remote terminal; and / or the second QoS control information is used by the relay terminal to accept, reject or modify the QoS request on the PC5 interface of the remote terminal.

16. The method according to claim 15, characterized in that The first subscription information includes a user equipment aggregate maximum bit rate UE-AMBR.

17. The method according to claim 15, characterized in that The method further comprises: Sending the first identifier to a session management function SMF of the relay terminal; or The first identifier and the second identifier are sent to the SMF, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

18. The method according to claim 15, characterized in that The method further comprises: Sending the first identifier to a policy control function PCF of the relay terminal; or The first identifier and the second identifier are sent to the PCF, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

19. The method according to claim 15, characterized in that The method further comprises: The first subscription information is sent to a policy control function PCF of the relay terminal.

20. The method according to claim 15, characterized in that The method further comprises: Receiving second quality of service QoS control information and the first identifier sent by a policy control function PCF of the relay terminal; The second QoS control information and the second identifier are sent to the relay terminal, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

21. The method according to claim 15, characterized in that The method further comprises: Receiving second quality of service QoS control information and a second identifier sent by a policy control function PCF of the relay terminal, where the second identifier is an identifier of the remote terminal that is different from the first identifier; Send the second QoS control information and the second identifier to the relay terminal.

22. The method according to claim 17, 18, 20 or 21, characterized in that The second identifier includes at least one of the following: a hidden user identity SUCI, a permanent user identity SUPI or a general public user identity GPSI.

23. The method according to claim 17, 18, 20 or 21, characterized in that The first identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI or a general public user identifier GPSI.

24. A wireless communication method, characterized in that: The session management function SMF applied to the relay terminal includes: Sending a first identifier of the remote terminal to the unified data management UDM or the unified data storage UDR; Receiving second subscription information of the remote terminal sent by the UDM or the UDR; Among them, the second subscription information is used to determine the second quality of service QoS control information of the remote terminal, and the second QoS control information is used by the relay terminal to control the bit rate of the uplink or downlink data packets of the remote terminal; and / or the second QoS control information is used by the relay terminal to accept, reject or modify the QoS request on the PC5 interface of the remote terminal.

25. The method according to claim 24, characterized in that The second subscription information includes at least one of the following subscription information of the remote terminal: Session aggregation maximum bit rate session-AMBR; 5G QoS identifier 5QI; or Allocate and maintain priority ARP.

26. The method according to claim 24, characterized in that The method further comprises: Receiving the first identifier sent by an access and mobility management function AMF of the relay terminal; or Receive the first identifier and the second identifier sent by the AMF, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

27. The method according to claim 24, characterized in that The method further comprises: Sending the first identifier to a policy control function PCF of the relay terminal; or The first identifier and the second identifier are sent to the PCF, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

28. The method according to claim 26 or 27, characterized in that The second identifier includes at least one of the following: a hidden user identity SUCI, a permanent user identity SUPI or a general public user identity GPSI.

29. The method according to claim 26 or 27, characterized in that The first identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI or a general public user identifier GPSI.

30. The method according to claim 24, characterized in that The method further comprises: The second subscription information is sent to the policy control function PCF of the relay terminal.

31. A wireless communication method, characterized in that: Applicable to relay terminals, including: Acquire second quality of service QoS control information of the remote terminal; Controlling data transmission of the remote terminal based on the second QoS control information; Among them, the second QoS control information is information determined by the policy control function PCF of the relay terminal based on at least one subscription information of the remote terminal; the second QoS control information is used by the relay terminal to control the bit rate of the uplink or downlink data packets of the remote terminal; and / or the second QoS control information is used by the relay terminal to accept, reject or modify the QoS request on the PC5 interface of the remote terminal.

32. The method according to claim 31, characterized in that The obtaining of the second quality of service QoS control information of the remote terminal includes: receiving the second QoS control information and the first identifier of the remote terminal; or The second QoS control information and a second identifier of the remote terminal are received, where the second identifier is an identifier of the remote terminal that is different from the first identifier.

33. The method according to claim 32, characterized in that The first identifier includes at least one of the following: a hidden user identifier SUCI, a permanent user identifier SUPI or a general public user identifier GPSI.

34. The method according to claim 32, characterized in that The second identifier includes at least one of the following: a hidden user identity SUCI, a permanent user identity SUPI or a general public user identity GPSI.

35. The method according to claim 31, characterized in that The second QoS control information includes at least one of the following information: User equipment aggregate maximum bit rate UE-AMBR; Session aggregation maximum bit rate session-AMBR; 5G QoS identification 5QI; Allocate and maintain priority ARP; PC5 aggregate maximum bit rate of user equipment UE-PC5-AMBR; The aggregate maximum bit rate of the PC5 link, PC5-link-AMBR; or The PC5 5G QoS identifier PQI allowed to be used by the remote terminal.

36. The method according to claim 35, characterized in that The controlling the bit rate of the uplink data packet or the downlink data packet of the remote terminal based on the second QoS control information includes: Discarding data packets of the uplink or downlink data packets of the remote terminal whose rate exceeds at least one of the following: User equipment aggregate maximum bit rate UE-AMBR; Session aggregation maximum bit rate session-AMBR; PC5 aggregate maximum bit rate of user equipment UE-PC5-AMBR; or The aggregate maximum bit rate of the PC5 link is PC5-link-AMBR.

37. The method according to claim 31, characterized in that The method further comprises: The QoS control information transmitted on the Uu interface is converted into QoS control information transmitted on the PC5 interface.

38. A core network device, characterized in that: include: An acquiring unit, used to acquire at least one contract information of a remote terminal; A determining unit, configured to determine second quality of service QoS control information of the remote terminal based on the at least one subscription information; Among them, the second QoS control information is used by the relay terminal to control the bit rate of the uplink or downlink data packets of the remote terminal; and / or the second QoS control information is used by the relay terminal to accept, reject or modify the QoS request on the PC5 interface of the remote terminal.

39. A core network device, characterized in that: include: A sending unit, configured to send a first identifier of a remote terminal to a unified data management UDM or a unified data storage UDR; A receiving unit, configured to receive the first subscription information of the remote terminal sent by the UDM or the UDR; Among them, the first subscription information is used to determine the second quality of service QoS control information of the remote terminal, and the second QoS control information is used by the relay terminal to control the bit rate of the uplink or downlink data packets of the remote terminal; and / or the second QoS control information is used by the relay terminal to accept, reject or modify the QoS request on the PC5 interface of the remote terminal.

40. A core network device, characterized in that: include: A sending unit, configured to send a first identifier of a remote terminal to a unified data management UDM or a unified data storage UDR; A receiving unit, configured to receive the second subscription information of the remote terminal sent by the UDM or the UDR; Among them, the second subscription information is used to determine the second quality of service QoS control information of the remote terminal, and the second QoS control information is used by the relay terminal to control the bit rate of the uplink or downlink data packets of the remote terminal; and / or the second QoS control information is used by the relay terminal to accept, reject or modify the QoS request on the PC5 interface of the remote terminal.

41. A relay terminal, characterized in that: include: An acquiring unit, configured to acquire second quality of service QoS control information of a remote terminal; a control unit, configured to control data transmission of a remote terminal based on the second QoS control information; Among them, the second QoS control information is information determined by the policy control function PCF of the relay terminal based on at least one subscription information of the remote terminal; the second QoS control information is used by the relay terminal to control the bit rate of the uplink or downlink data packets of the remote terminal; and / or the second QoS control information is used by the relay terminal to accept, reject or modify the QoS request on the PC5 interface of the remote terminal.

42. A core network device, characterized in that: include: A processor, a memory and a transceiver, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to perform the method according to any one of claims 1 to 14, the method according to any one of claims 15 to 23, or the method according to any one of claims 24 to 30.

43. A relay terminal, characterized in that: include: A processor, a memory and a transceiver, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method according to any one of claims 31 to 37.

44. A chip, characterized in that: include: A processor, configured to call and run a computer program from a memory so that a device equipped with the chip performs a method as described in any one of claims 1 to 14, a method as described in any one of claims 15 to 23, a method as described in any one of claims 24 to 30, or a method as described in any one of claims 31 to 37.

45. A computer-readable storage medium, characterized in that Used to store a computer program, the computer program causing a computer to execute the method of any one of claims 1 to 14, the method of any one of claims 15 to 23, the method of any one of claims 24 to 30, or the method of any one of claims 31 to 37.

46. ​​A computer program product, characterized in that Comprising computer program instructions that cause a computer to perform the method of any one of claims 1 to 14, the method of any one of claims 15 to 23, the method of any one of claims 24 to 30, or the method of any one of claims 31 to 37.

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