Wireless communication method and device, equipment and storage medium

Abstract

Provided in an embodiment of the present application are a wireless communication method and apparatus, device, and storage medium, the method comprising: a terminal device sending first information to a first network device, the first information being used for indicating at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, the first parameter is related to a UE strategy, and the second parameter is related to the UE strategy.

Description

Wireless communication method, device, equipment, and storage medium Technical Field

[0001] The embodiments of the present application relate to the field of mobile communication technology, and specifically to a wireless communication method and apparatus, device, and storage medium. Background Art

[0002] The User Equipment (UE) policy includes the User Route Selection Policy (URSP). The URSP rules in the URSP determine the binding relationship between application data and Protocol Data Unit (PDU) sessions, and also determine what type of PDU session the UE needs to establish to satisfy this binding relationship. In other words, the UE searches for or establishes a PDU session for application data based on the URSP parameters in the URSP rules.

[0003] URSP parameters in URSP rules, such as the Application Descriptor parameter in the Traffic Descriptor, may not be supported or recognized by the terminal. This may cause some URSP rules issued by the network side to never be executed by the terminal, resulting in a waste of resources.

[0004] Summary of the Invention

[0005] Embodiments of the present application provide a wireless communication method, apparatus, device, and storage medium.

[0006] The wireless communication method provided in the embodiment of the present application includes:

[0007] The terminal device sends first information to the first network device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to the UE policy and the second parameter is related to the UE policy.

[0008] The wireless communication method provided in the embodiment of the present application includes:

[0009] A first network device receives first information sent by a terminal device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to a UE policy, and the second parameter is related to a UE policy;

[0010] The first network device sends the first information to the second network device.

[0011] The wireless communication method provided in the embodiment of the present application includes:

[0012] The second network device receives first information sent by the first network device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to the UE policy and the second parameter is related to the UE policy.

[0013] The wireless communication device provided in the embodiment of the present application includes:

[0014] A first communication unit is configured to send first information to a first network device, wherein the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, the first parameter being related to a UE policy, and the second parameter being related to a UE policy.

[0015] The wireless communication device provided in the embodiment of the present application includes:

[0016] a second communication unit configured to receive first information sent by a terminal device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to a UE policy, and the second parameter is related to a UE policy;

[0017] The second communication unit is further configured to send the first information to a second network device.

[0018] The wireless communication device provided in the embodiment of the present application includes:

[0019] The third communication unit is configured to receive first information sent by the first network device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to the UE policy and the second parameter is related to the UE policy.

[0020] The communication device provided in an embodiment of the present application may be the terminal device in the above-mentioned solution, the first network device in the above-mentioned solution, or the second network device in the above-mentioned solution, and the communication device includes a processor and a memory. The memory is used to store a computer program, and the processor is used to call and execute the computer program stored in the memory to perform the above-mentioned wireless communication method.

[0021] The chip provided in the embodiment of the present application is used to implement the above-mentioned wireless communication method.

[0022] Specifically, the chip includes: a processor, which is used to call and run a computer program from a memory, so that a device equipped with the chip executes the above-mentioned wireless communication method.

[0023] The computer-readable storage medium provided in an embodiment of the present application is used to store a computer program, which enables a computer to execute the above-mentioned wireless communication method.

[0024] The computer program product provided in the embodiments of the present application includes computer program instructions, which enable a computer to execute the above-mentioned wireless communication method.

[0025] The computer program provided in the embodiment of the present application, when executed on a computer, enables the computer to execute the above-mentioned wireless communication method.

[0026] Through the above technical solution, the terminal device sends first information to the first network device, and the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, the first parameter is related to the UE policy, and the second parameter is related to the UE policy. Therefore, the first information can reflect the terminal device's support capability for at least one parameter related to the UE policy, so that through the reporting of the first information, the network side can be aware of the terminal's support capability for at least one parameter related to the UE policy, so as to adjust the content of the UE policy of the terminal device according to the first information, thereby avoiding waste of resources caused by configuring parameters related to the UE policy that the terminal device does not support for the terminal device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0028] FIG1 is a schematic diagram of an application scenario of an embodiment of the present application;

[0029] FIG2 is a schematic diagram of an application scenario provided by an embodiment of the present application;

[0030] FIG3 is a schematic diagram of an optional flow chart of a UE configuration update process provided in an embodiment of the present application;

[0031] FIG4 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application;

[0032] FIG5 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application;

[0033] FIG6 is a schematic diagram of an optional association relationship between URSP rules and PDU sessions provided in an embodiment of the present application;

[0034] FIG7 is an optional flow diagram of a PDU session establishment process provided in an embodiment of the present application;

[0035] FIG8 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application;

[0036] FIG9 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application;

[0037] FIG10 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application;

[0038] FIG11 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application;

[0039] FIG12 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application;

[0040] FIG13 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application;

[0041] FIG14 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application;

[0042] FIG15 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application;

[0043] FIG16 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application;

[0044] FIG17 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application

[0045] FIG18 is an optional schematic structural diagram of a wireless communication device provided in an embodiment of the present application;

[0046] FIG19 is an optional schematic structural diagram of a wireless communication device provided in an embodiment of the present application;

[0047] FIG20 is an optional schematic structural diagram of a wireless communication device provided in an embodiment of the present application;

[0048] FIG21 is a schematic structural diagram of a communication device provided in an embodiment of the present application;

[0049] FIG22 is a schematic structural diagram of a chip according to an embodiment of the present application;

[0050] Figure 23 is a schematic block diagram of a communication system provided in an embodiment of the present application. DETAILED DESCRIPTION

[0051] The following will describe the technical solutions in the embodiments of this application in conjunction with the drawings in the embodiments of this application. Obviously, the embodiments described are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0052] FIG1 is a schematic diagram of an application scenario of an embodiment of the present application.

[0053] As shown in Figure 1, a communication system 100 may include a terminal device 110 and a network device 120. The network device 120 may communicate with the terminal device 110 via an air interface. The terminal device 110 and the network device 120 support multi-service transmission.

[0054] It should be understood that the embodiments of the present application are only illustrative of the communication system 100, but the embodiments of the present application are not limited thereto. That is, the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Long Term Evolution (LTE) system, LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS), Internet of Things (IoT) system, Narrow Band Internet of Things (NB-IoT) system, enhanced Machine-Type Communications (eMTC) system, 5G communication system (also known as New Radio (NR) communication system), or future communication systems.

[0055] In the communication system 100 shown in Figure 1, the network device 120 may be an access network device that communicates with the terminal device 110. The access network device may provide communication coverage for a specific geographical area and may communicate with the terminal device 110 (eg, UE) located within the coverage area.

[0056] The network device 120 may be an evolved Node B (eNB or eNodeB) in a Long Term Evolution (LTE) system, or a Next Generation Radio Access Network (NG RAN) device, or a base station (gNB) in an NR system, or a wireless controller in a Cloud Radio Access Network (CRAN), or the network device 120 may be a relay station, an access point, an in-vehicle device, a wearable device, a hub, a switch, a bridge, a router, or a network device in a future evolved Public Land Mobile Network (PLMN), etc.

[0057] The terminal device 110 may be any terminal device, including but not limited to a terminal device connected to the network device 120 or other terminal devices by wire or wireless connection.

[0058] For example, the terminal device 110 may refer to an access terminal, UE, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user equipment. The access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, an IoT device, a satellite handheld terminal, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal device in a 5G network, or a terminal device in a future evolution network, etc.

[0059] The wireless communication system 100 may further include a core network device 130 for communicating with the base station. The core network device 130 may be a 5G core network (5G Core, 5GC) device, such as an Access and Mobility Management Function (AMF), an Authentication Server Function (AUSF), a User Plane Function (UPF), or a Session Management Function (SMF). Optionally, the core network device 130 may also be an Evolved Packet Core (EPC) device of an LTE network, such as a Session Management Function + Core Packet Gateway (SMF+PGW-C) device. It should be understood that SMF+PGW-C can simultaneously implement the functions that can be implemented by SMF and PGW-C. During the network evolution process, the above-mentioned core network device may also be called other names, or a new network entity may be formed by dividing the functions of the core network, which is not limited in the embodiments of the present application.

[0060] The functional units in the communication system 100 may also establish connections and implement communication via next generation (NG) network interfaces.

[0061] For example, the terminal device establishes an air interface connection with the access network device through the Uu interface for transmitting user plane data and control plane signaling; the terminal device can establish a control plane signaling connection with the AMF through the NG interface 1 (referred to as N1); the access network device, such as the next generation wireless access base station (gNB), can establish a user plane data connection with the UPF through the NG interface 3 (referred to as N3); the access network device can establish a control plane signaling connection with the AMF through the NG interface 2 (referred to as N2); the UPF can establish a control plane signaling connection with the SMF through the NG interface 4 (referred to as N4); the UPF can exchange user plane data with the data network through the NG interface 6 (referred to as N6); the AMF can establish a control plane signaling connection with the SMF through the NG interface 11 (referred to as N11); the SMF can establish a control plane signaling connection with the PCF through the NG interface 7 (referred to as N7).

[0062] Figure 1 exemplarily shows a base station, a core network device and two terminal devices. Optionally, the wireless communication system 100 may include multiple base station devices and each base station may include other numbers of terminal devices within its coverage area, which is not limited in this embodiment of the present application.

[0063] It should be noted that Figure 1 is merely an example of a system applicable to this application. The methods described in the embodiments of this application are also applicable to other systems. Furthermore, the terms "system" and "network" are often used interchangeably herein. The term "and / or" herein simply describes an association relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A exists alone; A and B exist simultaneously; or B exists alone. Furthermore, the character " / " generally indicates that the associated objects are in an "or" relationship. It should also be understood that the term "indication" in the embodiments of this application can be direct, indirect, or indicate an associated relationship. For example, "A indicates B" can mean that A directly indicates B, for example, B can obtain information through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can obtain information through C; or it can mean that A and B have an associated relationship. It should also be understood that the term "corresponding" in the embodiments of this application can mean that two objects have a direct or indirect correspondence relationship, an associated relationship, or a relationship between an indicator and the indicated, a configuration and the configured, and so on. It should also be understood that the “predefined” or “predefined rules” mentioned in the embodiments of the present application can be implemented by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in a device (for example, including a terminal device and a network device), and the present application does not limit its specific implementation method. For example, predefined can refer to a definition in a protocol. It should also be understood that in the embodiments of the present application, the “protocol” can refer to a standard protocol in the field of communications, such as an LTE protocol, an NR protocol, and related protocols used in future communication systems, and the present application does not limit this.

[0064] To facilitate understanding of the technical solutions of the embodiments of the present application, the relevant technologies of the embodiments of the present application are described below. The following relevant technologies can be arbitrarily combined with the technical solutions of the embodiments of the present application as optional solutions, and they all fall within the protection scope of the embodiments of the present application.

[0065] The network architecture of the 5G communication system is shown in Figure 2, which includes: AMF, SMF, Policy Control Function (PCF), Authentication Server Function (AUSF), Unified Data Management (UDM), UPF, Network Slice Selection Function (NSSF), and Application Function (AF). Furthermore, the network architecture also includes access network equipment ((Radio) Access Network (R) AN), UE, and data network (DN).

[0066] The UE can connect to the AMF, the (R)AN can also connect to the AMF, the (R)AN can also connect to the UPF, the UPF can connect to the SMF and DN respectively, the AMF can connect to the SMF, UDM, PCF, NSSF and AUSF respectively, and the SMF can connect to the PCF and UDM respectively. The PCF is connected to the AF. Both the AMF and SMF can obtain data from the UDM, such as user subscription data, and both the AMF and SMF can obtain policy data from the PCF. For example, the PCF obtains user subscription data from the UDM and sends it to the AMF and SMF, which are then distributed by the AMF and SMF to the (R)AN, UE and UPF, etc. Among them, the SMF is responsible for the execution of session-related policies, and the AMF is responsible for the execution of policies related to access and UE policies. The distribution and update of policies on the AMF and SMF are managed and controlled by the PCF.

[0067] As shown in Figure 2, the interfaces and connections in the network architecture may include: Uu, N1, N2, N3, N4, N5, N6, N7, N8, N10, N11, N12, N13, N14, N15, and N22. Uu is the interface between the terminal device and the RAN, and N1 is the control plane interface between the terminal device and the AMF network element, used to transmit control signaling between the user device and the core network control plane. Specifically, messages in the N1 connection can be transmitted by the connection between the terminal device and the RAN and the N2 connection between the RAN and the AMF network element. N2 is the control plane interface between the RAN and the AMF network element. N3 is the interface between the RAN and the user plane function. N4 is the interface between the SMF network element and the user plane function, used to transmit control signaling between the SMF network element and the user plane function. N5 is the interface between PCF and AF, N6 is the interface between user plane function and DN, N7 is the interface between SMF network element and PCF, N8 is the interface between AMF network element and UDM network element, N10 is the interface between UDM network element and SMF network element, N11 is the interface between AMF network element and SMF network element, N12 is the interface between AUSF network element and AMF network element, N13 is the interface between AUSF network element and UDM, N14 is the inter-AMF interface, N15 is the interface between AMF network element and PCF network element, and N22 is the interface between NSSF network element and AMF network element.

[0068] UE policies can include WLAN Selection Policy (WLANSP), UE Route Selection Policy (URSP), and Internet of Vehicles (IoV) policies. WLANSP contains multiple rules, and the rules in WLANSP are called WLANSP rules. WLANSP rules are used when the UE selects a WLAN access point. URSP contains multiple rules, and the rules in URSP are called URSP rules. URSP is used by terminal devices to bind specific application data flows to specific sessions (such as PDU sessions). Based on different service types, UE policies can also be divided into IoV policies, Internet of Things policies, etc., and their mechanisms are the same as URSP.

[0069] For UE policies, the PCF and UE use containers to monitor UE policy content, UE policy identifiers, and other UE policy-related information. In the uplink direction, the container is sent from the UE to the AMF via a Non-Access Stratum (NAS) message, and the AMF transparently transmits it to the PCF (without perception or modification). The downlink direction is the opposite of the uplink direction. The container is sent from the PCF to the AMF, and the AMF transparently transmits it to the UE via a NAS message.

[0070] Based on the network architecture shown in Figure 2, the UE policy is implemented through the UE Configuration Update (UCU) process shown in Figure 3. As shown in Figure 3, the PCF puts the policy to be updated in a container and sends it to the AMF. The AMF uses a NAS message to forward it directly to the UE.

[0071] The UCU process is shown in Figure 3 and includes:

[0072] S301. PCF determines to update UE policy.

[0073] S302. The PCF puts the UE policy into a container and sends it to the AMF.

[0074] Among them, PCF can send a NAS message Namf_Communication_N1N2MessageTransfer to AMF, and the NAS message includes a container.

[0075] S303: The network triggers a service request.

[0076] S304. The AMF transmits the UE policy to the UE.

[0077] The AMF places the UE policy in a container and transparently transmits it to the UE.

[0078] S305. The UE sends the UE policy transmission result to the AMF.

[0079] The UE policy transmission result may indicate whether the UE policy transmission is successful. The UE may transmit the UE policy transmission result to the AMF via the container.

[0080] S306. AMF sends the UE policy transmission result to PCF.

[0081] The AMF transparently transmits the UE policy transmission result to the PCF through the container, wherein the AMF can send a NAS message Namf_N1MessageNotify to the PCF.

[0082] In order to transmit UE policy, the cause value of the UE policy container is introduced in the downlink NAS and uplink NAS messages, that is, the "UE Policy Container" cause value is added through the payload container. When the AMF sees the cause value in the payload container, it will perform the transparent transmission function. The UE policy container is used to carry the messages between the PCF and the UE as shown in Figure 4: the Manage UE Policy Command sent by the PCF to the UE, the Manage UE Policy Complete or Manage UE Policy Command Reject sent by the UE to the PCF, and the UE State Indication sent by the UE to the PCF as shown in Figure 5. Among them, the PCF starts timer T3510 after sending the Manage UE Policy Command, and stops T3510 after receiving the Manage UE Policy Complete or Manage UE Policy Command Reject.

[0083] The URSP rules contained in the URSP determine the binding relationship between application data and PDU sessions, and also determine what type of PDU sessions the UE needs to establish to satisfy this binding relationship. As shown in Figure 6, data stream a is bound to PDU session 1 according to URSP rule 1, data stream b is bound to PDU session 2 according to URSP rule 2, and data stream c is bound to PDU session 3 according to URSP rule 3. Each PDU session corresponds to a set of PDU session attribute parameters. As shown in Figure 6, PDU session 1 is a session between UPF1 and application server (AS) 1, PDU session 2 is a session between UPF1 and AS2, and PDU session 3 is a session between UPF2 and AS3.

[0084] The session attribute parameters corresponding to each PDU session include: Single-Network Slice Selection Assistant Information (S-NSSAI), Data Network Name (DNN), PDU Session Type (PDU Session Type), and Session and Service Continuity (SSC) mode (Mode).

[0085] The terminal device can carry the above session attribute parameters in the PDU session establishment request. If some session attribute parameters are not carried, the network device can fill in the session attribute parameters for the PDU session. For example, when the PDU session establishment request contains PDU Session id = 1, DNN-1, PDU Sessiontype = IPv4, the SMF accepts the request and fills in other attribute parameters: S-NSSAI = 1, SSC Mode = 1.

[0086] In this case, the terminal device and / or the network device can save which attribute parameters in the successfully established PDU session are requested by the terminal and which are filled in by the network.

[0087] Each URSP Rule consists of a traffic descriptor and a set of route selection descriptors (RSD).

[0088] Traffic Descriptor in URSP is used to describe a specific service (such as the application data flow in Figure 6). For example, Weibo service can be described by the range of IP@1~9, and IMS service can be described by IMS DNN. The value of S-NSSAI and DNN in RSD can be one or more, and other parameters only contain one value. Therefore, each RSD can correspond to one or more parameter combinations, each parameter combination is a feature of a set of PDU sessions, and the service data corresponding to the service descriptor can be transmitted in the PDU session corresponding to a certain parameter value combination of RSD. When an application data flow described by a service descriptor appears, the UE can select a parameter combination according to the Component value in the corresponding RSD and initiate a PDU session establishment request.

[0089] Each time the UE initiates a PDU session establishment request, it adds a set of session data parameters to the request message, that is, a set of parameter value combinations in the RSD list in a certain URSP rule.

[0090] Currently, the parameters included in the Traffic Descriptor and the parameters included in the RSD are shown in Table 1 and Table 2 respectively.

[0091]

[0092] Table 1. Service descriptors and corresponding RSD lists

[0093] In Table 1, the Traffic Descriptor includes the following parameters, which can be understood as: domain descriptors, IP descriptors, non-IP descriptors, DNN, and connection capabilities.

[0094]

[0095] Table 2. Routing Descriptor

[0096] In Table 2, the route selection components include the following parameters: SSC mode selection, network slice selection, DNN selection, PDU session type selection, non-seamless offload indication, ProSe Layer-3 UE-to-network relay offload indication, access type preference, PDU session pair ID, and regional service node (RSC). The parameters in the route selection validation criteria include time window and location criteria.

[0097] The mechanism by which the UE associates the application data flow with the corresponding PDU session for transmission based on the URSP rule is as follows: When data appears at the application layer, the UE uses the parameters in the URSP rule to check whether the characteristics of the application data match the Traffic Descriptor of a rule in the URSP rule. The order of checking is determined by the Precedence in the URSP rule, that is, the UE checks the matching status in order based on the priority. When a URSP rule is matched, the RSD list under the URSP rule is used to bind the PDU session.

[0098] When a URSP rule is matched, the UE performs the following processing:

[0099] 1) The UE first searches for valid RSD parameters in the currently established PDU session that meet the URSP rule. If so, the UE binds the matching application data to the PDU session for transmission. Otherwise:

[0100] 2) Try to establish a PDU session in the order of precedence of the valid RSD. Here, the attribute parameters of the RSD with high priority are used to establish the PDU session. If a parameter in the RSD has one or more values, the UE selects one of them and combines it with other parameters to establish the PDU session:

[0101] 2.1) If the PDU session is successfully established, the UE binds the application data to the PDU session for transmission;

[0102] 2.2) If the PDU session establishment fails, the UE attempts to establish the PDU session again based on other parameter combinations in the RSD or using parameter combinations in an RSD with lower priority.

[0103] If no suitable PDU session can be found for binding according to the matching URSP rule, the UE searches the Traffic Descriptor in the next priority URSP rule according to the Precedence order to see if it matches the application data flow characteristics. If a match is found, the previously described process is repeated.

[0104] The process of finding a suitable PDU session for application data is called the evaluation process, which is to find or establish a suitable PDU session binding. The RSD in the URSP rule used by the UE is considered a valid RSD (used to perform the above evaluation process) only if it meets the following conditions:

[0105] If an S-NSSAI is present in the RSD, the S-NSSAI must be one of the Allowed NSSAIs (non-roaming) or the Mapping of Allowed NSSAIs (roaming).

[0106] -If there is a DNN in the RSD and it is a local data network name (LADN DNN), the UE must be within the valid area corresponding to the LADN;

[0107] - If the Access Type Preference is set to Multi-Access in the RSD, the UE shall support Access Traffic Steering, Switching, Splitting (ATSSS);

[0108] - If there are timer windows and location criteria in the RSD, the required time and location criteria must be met.

[0109] If the RSD does not meet the above conditions, the UE will not use the RSD to bind data flows or establish a PDU session.

[0110] According to the above evaluation process, the UE can apply for PDU session establishment again based on the RSD parameters after the PDU session establishment attempt is rejected.

[0111] The process of establishing a PDU session may be shown in FIG7 , including:

[0112] S701. UE sends a PDU session establishment request to SMF.

[0113] The UE carries PDU session parameters in the PDU Session Establishment Request message, which may include one or more of the following: DNN, S-NSSAI, PDU Session Type, SSC Mode, and PDU Session ID. If the network rejects the session request, it carries a rejection reason value.

[0114] S702. The SMF returns a PDU session establishment request response to the UE.

[0115] When the SMF rejects the PDU session establishment request, it will carry the rejection reason value.

[0116] S703: The UE adjusts the applied PDU session parameters according to the RSD parameter of the URSP Rule and attempts to establish the PDU session again.

[0117] In related technologies, parameters in URSP rules, such as the Application Descriptor parameter in the Traffic Descriptor, may not be supported or recognized by the terminal. This results in some URSP rules issued by the network side being never executed by the terminal, but the network side is unaware of this situation.

[0118] Therefore, only the terminal device knows the status of URSP rule execution, and the network side cannot know it. Therefore, it cannot determine whether the URSP parameters sent to the terminal device are reasonable or used. Therefore, a mechanism is needed to let the network side know which URSP parameters the terminal device supports so that the 5G network side (such as PCF) can modify the URSP parameters accordingly.

[0119] To facilitate understanding of the technical solutions of the embodiments of the present application, the technical solutions of the present application are described in detail below through specific embodiments. The above related technologies can be combined arbitrarily with the technical solutions of the embodiments of the present application as optional solutions, and all of them fall within the scope of protection of the embodiments of the present application. The embodiments of the present application include at least part of the following contents.

[0120] The wireless communication method provided in the embodiment of the present application is applied to a terminal device, as shown in FIG8 , and includes:

[0121] S801. The terminal device sends first information to the first network device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to the UE policy and the second parameter is related to the UE policy.

[0122] The wireless communication method provided in an embodiment of the present application is applied to a first network device, as shown in FIG9 , and includes:

[0123] S901. A first network device receives first information sent by a terminal device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to a UE policy, and the second parameter is related to a UE policy;

[0124] S902: The first network device sends the first information to the second network device.

[0125] The wireless communication method provided in the embodiment of the present application is applied to a second network device, as shown in FIG10 , including:

[0126] S1001. The second network device receives first information sent by the first network device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to the UE policy and the second parameter is related to the UE policy.

[0127] The wireless communication method provided in an embodiment of the present application is applied to a wireless communication system including a terminal device, a first network device, and a second network device, as shown in FIG11 , including:

[0128] S1101. A terminal device sends first information to a first network device.

[0129] S1102. The first network device sends first information to the second network device.

[0130] The first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, the first parameter is related to the UE policy, and the second parameter is related to the UE policy.

[0131] In an embodiment of the present application, a terminal device sends first information to a first network device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to the UE policy, and the second parameter is related to the UE policy. Therefore, the first information can reflect the terminal device's ability to support at least one parameter related to the UE policy, so that the network side can learn the terminal's ability to support at least one parameter related to the UE policy by reporting the first information, so as to adjust the content of the UE policy of the terminal device according to the first information, thereby avoiding waste of resources caused by configuring parameters related to the UE policy that the terminal device does not support for the terminal device.

[0132] The terminal device determines at least one first parameter supported by itself and / or at least one second parameter not supported by itself, generates first information based on at least one first parameter and / or at least one second parameter, and sends the first information to the first network device. After the first network device receives the first information sent by the terminal device, it sends the first information to the second network device.

[0133] Optionally, the second network device is a PCF capable of managing and controlling UE policies.

[0134] Optionally, the first network device is an AMF capable of executing UE policies.

[0135] In the embodiment of the present application, the first information may be used to indicate one of the following:

[0136] at least one first parameter supported by the terminal device;

[0137] At least one second parameter not supported by the terminal device.

[0138] Optionally, the first information may be used only to indicate at least one first parameter supported by the terminal device. It is understandable that the first information indicates at least one parameter, and the terminal device, the first network device and the second network device default to the at least one parameter indicated by the first information as the at least one first parameter supported by the terminal device.

[0139] Optionally, the first information may be used only to indicate at least one second parameter not supported by the terminal device. It is understandable that the first information indicates at least one parameter, and the terminal device, the first network device and the second network device default that the at least one parameter indicated by the first information is at least one second parameter not supported by the terminal device.

[0140] Optionally, the first information is used to indicate at least one first parameter and at least one second parameter supported by the terminal device. It is understandable that the first information includes first indication information and second indication information, the first indication information is used to indicate the supported at least one first parameter, and the second indication information is used to indicate the supported at least one second parameter. Optionally, the first indication information and the second indication information are identification bits with different values ​​or different data groups.

[0141] In the embodiment of the present application, the first information indicates that the terminal device supports at least one first parameter and / or at least one second parameter, including but not limited to the following:

[0142] Mode 1: The first information includes a parameter or a parameter index, and the parameter or parameter index indicated by the first information corresponds to a first parameter or a second parameter supported by the terminal device;

[0143] Method 2: The second information includes multiple bits corresponding to different parameters, and for one bit, it indicates whether the terminal device supports or does not support the parameter corresponding to the bit based on different values.

[0144] For mode 1, in one example, the first information includes parameter A, parameter B, and parameter C, and the at least one first parameter representing support of the terminal device includes: parameter A, parameter B, and parameter C.

[0145] For mode 1, in one example, the first information includes parameter B and parameter C, and the at least one second parameter representing that the terminal device does not support includes: parameter B and parameter C.

[0146] For method 2, in one example, the first information includes three bits corresponding to parameters A, B and C, and the values ​​of the three bits are 1, 1, and 0, respectively. When 1 indicates that the terminal device supports it and 0 indicates that the terminal device does not support it, the first information indicates that the terminal device supports parameter A and parameter B and the terminal device does not support parameter C.

[0147] In an embodiment of the present application, for a terminal device, in the first information used to indicate at least one first parameter supported by the terminal device and at least one second parameter not supported by the terminal device, the at least one first parameter and the at least one second parameter do not include the same parameter.

[0148] In some embodiments, the at least one first parameter is a User Equipment Routing Policy (URSP) parameter.

[0149] Optionally, the at least one first parameter includes a parameter in a service descriptor and / or a parameter in a routing descriptor.

[0150] If the at least one first parameter comprises a parameter in a routing descriptor, the at least one first parameter comprises a parameter in a routing component and / or a parameter in a routing validity condition.

[0151] In some embodiments, the at least one second parameter is a URSP parameter.

[0152] Optionally, the at least one second parameter includes a parameter in a service descriptor and / or a parameter in a routing descriptor.

[0153] If the at least one second parameter comprises a parameter in a routing descriptor, the at least one second parameter comprises a parameter in a routing component and / or a parameter in a routing validity condition.

[0154] In an embodiment of the present application, if at least one first parameter belongs to a URSP parameter and at least one second parameter belongs to a URSP parameter, the first information is used to indicate the URSP parameters supported and / or unsupported URSP parameters of the terminal device.

[0155] URSP parameters are parameters in the URSP rules. A URSP rule includes a service descriptor and a set of RSDs. The parameters of the service descriptor are shown in Table 1, including: application descriptor, Internet Protocol IP descriptor, domain descriptor, non-IP descriptor, DNN and connection capability. The parameters of the RSD are shown in Table 2, including: parameters in the routing selection component and parameters in the routing selection validity conditions. As shown in Table 2, the parameters in the routing selection component include: SSC mode selection, network slice selection, DNN selection, PDU session type selection, seamless download indication, adjacent layer 3 relay download indication, access type preference, PDU session pair identifier, regional service node RSC, and the parameters in the routing selection validity conditions include: time window and location conditions.

[0156] If at least the first parameter and / or the second parameter indicated by the first information includes parameters of the service descriptor in Table 1, the first information is used to indicate which parameters in Table 1 are supported by the terminal device and / or indicate which parameters in Table 1 are not supported by the terminal device.

[0157] In one example, the at least one first parameter includes: an application descriptor and an IP descriptor, and the first information is used to indicate the application descriptor and Internet Protocol IP descriptor supported by the terminal device.

[0158] In one example, the at least one second parameter includes: an IP descriptor and a connection capability, and the first information is used to indicate an IP descriptor and a connection capability that are not supported by the terminal device.

[0159] In one example, at least one first parameter includes: application descriptor, IP descriptor, and at least one second parameter includes: DNN and connection capability. The first information is used to indicate the application descriptors, Internet Protocol IP descriptors supported by the terminal device and the IP descriptors and connection capabilities not supported by the terminal device.

[0160] If at least the first parameter and / or the second parameter indicated by the first information includes the URSP parameters including the parameters of the RSD in Table 2, the first information is used to indicate which parameters in Table 2 are supported by the terminal device and / or indicate which parameters in Table 2 are not supported by the terminal device.

[0161] In one example, at least one first parameter includes: SSC mode selection and time window, and the first information is used to indicate the SSC mode selection and time window supported by the terminal device.

[0162] In one example, at least one second parameter includes: SSC mode selection and location condition, and the first information is used to indicate SSC mode selection and location condition that are not supported by the terminal device.

[0163] In one example, at least one first parameter includes: SSC mode selection, DNN selection, and at least one second parameter includes: time window, then the first information is used to indicate the SSC mode selection, DNN selection supported by the terminal device and the IP descriptor and time window not supported by the terminal device.

[0164] If at least the first parameter and / or the second parameter indicated by the first information includes the parameters shown in Table 1 and Table 2, the first information is used to indicate which parameters in Table 1 and Table 2 are supported by the terminal device and / or indicate which parameters in Table 1 and Table 2 are not supported by the terminal device.

[0165] It is understandable that, when the at least one first parameter and / or the at least one second parameter indicated by the first information include parameters of a service descriptor, the parameters of the service descriptor include but are not limited to at least one of the parameters shown in Table 1.

[0166] It is understandable that, when the at least one first parameter and / or the at least one second parameter indicated by the first information include parameters of RSD, the parameters of RSD include but are not limited to at least one of the parameters shown in Table 2.

[0167] In some embodiments, the terminal device sends the first information to the first network device, including: the terminal device sends a first message to the first network device, where the first message carries the first information.

[0168] Correspondingly, the first network device receives the first information sent by the terminal device, including: the first network device receives the first message sent by the terminal device, and the first message carries the first information.

[0169] Optionally, the first message directly carries the first information.

[0170] Optionally, the first message includes a first UE policy container, and the first information is included in the first UE policy container.

[0171] It is understandable that the terminal device places the first information in a first UE policy container, and sends the first UE policy container to the first network device through a first message.

[0172] Optionally, the first message is a NAS message.

[0173] In some embodiments, the first message includes at least one of the following:

[0174] Message 1: Registration Request message;

[0175] Message 2: UE policy configuration request message;

[0176] Message 3: Uplink Non-Access Stratum NAS Transport (UL NAS Transport) message.

[0177] For message 1, the terminal device sends the first information in a registration request message initiated during the registration process or sends the first information through a first UE policy container.

[0178] After the terminal device sends a registration request message to the first network device, the first network device and the terminal device perform the subsequent steps of the registration process, and after completing the registration, the first network device returns a registration request reply message to the terminal device, wherein the registration request reply message sent by the first network device to the network device may include a registration acceptance message, a registration rejection message or a registration completion message.

[0179] For message 2, the terminal device carries the first information in the UE policy configuration request initiated during the UE policy configuration process or sends the first information through the first UE policy container.

[0180] After the first network device receives the UE policy configuration request, the first network device and the terminal device perform the subsequent steps of the UE policy configuration process, and after completing the UE policy configuration, the first network device returns a UE policy configuration reply message to the terminal device.

[0181] For message 3, the terminal device carries the first information in the UL NAS Transport message initiated during the initiated NAS transmission process or sends the first information through the first UE policy container.

[0182] For the UL NAS Transport message, the network device is not required to return a response message.

[0183] In some embodiments, the first network device sending the first information to the second network device includes:

[0184] The first network device sends a second message to the second network device, where the second message carries the first information.

[0185] Correspondingly, the second network device receives the first information sent by the first network device, including:

[0186] The second network device receives a second message sent by the first network device, where the second message carries the first information.

[0187] After receiving the first information sent by the terminal device, the first network device sends the first information to the second network device through the second message, and the second network device receives the first information.

[0188] Optionally, the second message includes at least one of the following:

[0189] Access management policy association establishment message (AM Policy Association Establishment) or access management policy association modification (AM Policy Association Modification) message.

[0190] In one example, the first message is a registration request message, and the second message is an access management policy joint establishment message.

[0191] In one example, the first message is a UE policy configuration request message or an uplink NAS transmission message, and the second message is an access management policy joint modification message.

[0192] In the embodiment of the present application, the second message carries the first information in the following manner:

[0193] Carrying mode 1: the second message includes the first UE policy container, and the first information is included in the first UE policy container; or

[0194] Carrying method 2: the first information is included in the second message.

[0195] In the first carrying mode, the first network device sends the first information to the second network device through the first UE policy container.

[0196] If the first network device receives the first UE policy container from the terminal device, and the first UE policy container includes the first information, the first network device may directly transparently transmit the first UE policy container to the second network device.

[0197] The second network device receives the second message, and retrieves the first information from the first UE policy container in the second message.

[0198] In the second carrying mode, the first network device directly includes the first information in the second message and sends it to the second network device.

[0199] If the first network device receives the first UE policy container from the terminal device, and the first UE policy container includes the first information, the first network device can extract the first information from the first UE policy container and directly include the first information in the second message and send it to the second network device.

[0200] The second network device receives the second message and directly parses the first information from the second message.

[0201] In some embodiments, the wireless communication method provided by the terminal device further includes:

[0202] The terminal device receives a first UE policy sent by the first network device, where the first UE policy is determined based on the first information.

[0203] Correspondingly, the wireless communication method provided by the first network device also includes: the first network device receives a first UE policy sent by the second network device, and the first UE policy is determined based on the first information; the first network device sends the first UE policy to the terminal device.

[0204] Correspondingly, the wireless communication method provided by the second network device further includes: the second network device sends a first UE policy to the first network device, where the first UE policy is determined based on the first information.

[0205] It is understandable that the wireless communication method provided in the embodiment of the present application, as shown in FIG12 , further includes:

[0206] S1201. A second network device determines a first UE policy based on first information.

[0207] S1202. The second network device sends the first UE policy to the first network device.

[0208] S1203. The first network device sends the first UE policy to the terminal device.

[0209] In the embodiment of the present application, after receiving the first information, the second network device determines the UE policy configured for the UE based on the first information.

[0210] For at least one first parameter supported by the terminal device indicated by the first information, the first UE policy can be adjusted based on the at least one first parameter, for example: the first UE policy includes at least one first parameter, or includes content related to at least one first parameter, thereby determining the first UE policy for the terminal device based on the at least one first parameter supported by the terminal device.

[0211] For at least one second parameter not supported by the terminal device indicated by the first information, the content of the first UE policy does not include the at least one second parameter or does not include content related to the at least one second parameter, thereby avoiding content related to the at least one second parameter in the first UE policy and preventing the first UE policy from including content that is not supported or cannot be recognized by the terminal device.

[0212] After determining the first UE policy, the second network device sends the first UE policy to the first network device, and the first network device sends the received first UE policy to the terminal device.

[0213] Optionally, the second network device includes the first UE policy in a second UE policy container and sends it to the first network device, and the first network device transparently transmits the second UE policy container to the terminal device. In this case, the process of the second network device sending the first UE policy to the terminal device through the first network device can refer to the UCU process shown in Figure 3 and is not repeated here.

[0214] In the wireless communication method provided in the embodiment of the present application, the first UE policy configured by the second network device to the terminal device is determined based on the first information, and the first information indicates the terminal device's ability to support parameters related to the UE policy. The configured first UE policy is configured based on the terminal device's ability to support parameters related to the UE policy. The UE policy can be configured in a targeted manner based on the capabilities of the terminal device, so that the UE policy can be effectively supported by the UE and / or avoid the presence of content in the policy that is not supported by the terminal device, thereby improving the efficiency of the terminal device in using the UE policy.

[0215] In some embodiments, the wireless communication method provided by the terminal device further includes:

[0216] The terminal device receives second information sent by the first network device, where the second information is used to indicate at least one third parameter that the terminal device is allowed or required to use, and the at least one third parameter is determined based on the at least one first parameter and / or the at least one second parameter.

[0217] Correspondingly, the wireless communication method provided by the first network device further includes:

[0218] The first network device sends second information to the terminal device, where the second information is used to indicate at least one third parameter that the terminal device is allowed or required to use, and the at least one third parameter is determined based on the at least one first parameter and / or the at least one second parameter.

[0219] It is understandable that the wireless communication method provided in the embodiment of the present application, as shown in FIG13 , further includes:

[0220] S1301. The first network device sends second information to the terminal device.

[0221] In an embodiment of the present application, after receiving the first information, the first network device may determine second information based on the first information and send the second information to the terminal device. The second information is used to indicate at least one third parameter that the terminal device is allowed or required to use, the fourth parameter is related to the UE policy, and the third parameter is determined based on the at least one first parameter and the at least one second parameter.

[0222] Optionally, the third parameter of the at least one third parameter satisfies at least one of the following conditions:

[0223] said at least one first parameter including said third parameter;

[0224] The at least one second parameter does not include the third parameter.

[0225] One of the at least one third parameter may be included in the at least one first parameter and / or not included in the at least one second parameter.

[0226] If the first information only indicates at least one first parameter, the third parameter is included in the at least one first parameter indicated by the first information.

[0227] In one example, the first information only indicates that the at least one first parameter supported by the terminal device includes: an application descriptor and an IP descriptor, and the at least one third parameter may include: an application descriptor.

[0228] If the first information only indicates at least one second parameter, the third parameter is not included in the at least one second parameter indicated by the first information.

[0229] In one example, the first information only indicates that at least one second parameter not supported by the terminal device includes: application descriptor, IP descriptor, and the at least one third parameter may include: connection capability.

[0230] If the first information only indicates at least one first parameter and at least one second parameter, the third parameter is included in the at least one first parameter indicated by the first information, or is not included in the at least one second parameter indicated by the first information, or is included in the at least one first parameter indicated by the first information and is not included in the at least one second parameter indicated by the first information.

[0231] In one example, the first information only indicates that at least one parameter supported by the terminal device includes: SSC mode selection and application descriptor, and indicates that at least one second parameter not supported by the terminal device includes: connection capability, SSC mode selection, then at least one third parameter may include: application descriptor.

[0232] In an embodiment of the present application, a terminal device receives second information sent by a first network device, determines at least one third parameter that is permitted or required to be used based on the second information, and preferentially selects content associated with the at least one third parameter when selecting content in a UE policy. In one example, the third parameter is a URSP parameter. When the terminal device selects a URSP rule in a URSP, the terminal device preferentially selects a URSP rule whose URSP parameters include the at least one third parameter for searching for or establishing a PDU session.

[0233] In the wireless communication method provided in an embodiment of the present application, a first network device sends second information to a terminal device, indicating at least one third parameter that the terminal device is allowed or required to use. When the terminal device receives the second information, the terminal device is enabled to select the content of the UE policy based on the at least one third parameter, thereby improving the selection efficiency of the UE policy. The content of the selected UE policy is selected based on the at least one third parameter, and the content of the selected UE policy is supported or recognized by the terminal device, thereby improving the execution efficiency of the UE policy.

[0234] In some embodiments, the first network device sends a third message to the terminal device, the third message carrying the second information. The terminal device receives the third message sent by the first network device and obtains the second information from the third message.

[0235] Optionally, the third message is used to respond to the first message carrying the first information.

[0236] In one example, the first message is a registration request message, and the third message is a registration reply message.

[0237] In one example, the first message is a UE policy configuration request message, and the third message is a UE policy configuration reply message.

[0238] Optionally, the third message may also be a message triggered based on the first information and has no association with the first message.

[0239] In some embodiments, the first network device obtains the second information in at least one of the following two ways:

[0240] Acquisition method 1: The first network device itself determines the second information;

[0241] Acquisition method 2: The first network device receives the second information from the second network device.

[0242] In the first obtaining method, the first network device determines the second information based on the first information.

[0243] It is understandable that after receiving the first information, the first network device sends the first information to the second network device, determines the second information based on the first information, and sends the second information to the terminal device.

[0244] In the second obtaining method, the first network device receives the second information sent by the second network device.

[0245] Correspondingly, the wireless communication method provided by the second network device further includes:

[0246] The second network device sends second information to the first network device, where the second information is used to indicate at least one third parameter that the terminal device is allowed or required to use, and the at least one third parameter is determined based on the at least one first parameter and / or the at least one second parameter.

[0247] It is understandable that, based on FIG13 , the interaction between the first network device and the second network device further includes:

[0248] S1302: The second network device sends second information to the first network device.

[0249] Based on Figure 13, it can be determined that after receiving the first information, the first network device sends the first information to the second network device. After receiving the first information, the second network device determines the second information based on the first information and sends the second information to the first network device. After receiving the second information, the first network device sends the received second information to the terminal device.

[0250] In some embodiments, when the terminal device receives the first UE policy and the second information sent by the first network device, the reception time of the second information is earlier than the reception time of the first UE policy.

[0251] In one example, a terminal device sends first information to a first network device. After receiving the first information, the first network device determines second information based on the first information and sends the second information to the terminal device. After receiving the first UE policy sent by the second network device, the first network device sends the first UE policy to the terminal device.

[0252] In one example, a terminal device sends first information to a first network device. After receiving the first information, the first network device sends the first information to a second network device. The second network device determines second information based on the first information and sends the second information to the first network device. After receiving a first UE policy from the second network device, the first network device sends the first UE policy to the terminal device. After sending the second information to the first network device, the second network device determines a first UE policy based on the first information and sends the first UE policy to the first network device. The first network device then sends the received first UE policy to the terminal device.

[0253] In the wireless communication method provided in the embodiments of the present application, the second information can be determined by either the first network device or the second network device, thereby increasing the flexibility of the implementation of the solution. When the second information is determined by the first network device, the first and second network devices do not need to exchange the second information, thereby reducing the transmission time of the second information and network overhead.

[0254] Below, the wireless communication method provided in the embodiment of the present application is further described by taking USRP parameters as an example.

[0255] In related technologies, parameters in URSP rules, such as the Application Descriptor parameter in the Traffic Descriptor, may not be supported or recognized by the terminal. This results in certain URSP rules issued by the network never being executed by the terminal, without the network being aware of this. Consequently, the status of URSP policy execution is known only to the terminal itself, while the network remains unaware of this information. Consequently, it cannot determine whether the URSP parameters issued to the terminal are valid or being used.

[0256] The embodiments of the present application provide a wireless communication method and a mechanism for letting the network side know which URSP parameters a terminal device supports, so that the network side (such as PCF) can modify the URSP parameters according to the situation.

[0257] The wireless communication method provided in the embodiment of the present application introduces first information for identifying URSP parameters supported or not supported by the UE.

[0258] The first information may be used to identify whether the UE supports or does not support one or more parameters in the service descriptor: such as Appliaction Descriptor, IP 3-Tuple, Connection Capability, and DNN.

[0259] The first information may be used to identify whether the UE supports or does not support one or more parameters in the RSD: parameters in the Route Selection Component and / or parameters in the Route Selection Validation Criteria (such as Time Window, Location Criteria parameters).

[0260] The first information may be considered as a capability of the UE, that is, a capability of supporting certain parameters of the URSP.

[0261] The UE reports the first information to the PCF through the UE Policy Container included in the uplink NAS message.

[0262] The UE places the first information in a UE Policy Container and sends it to the AMF via an uplink NAS message. The AMF transparently transmits the first information in the UE Policy Container to the PCF, or sends the first information in the UE Policy Container to the PCF. The PCF determines the content of the URSP policy based on the first information and sends it to the UE through the UE policy configuration process.

[0263] Uplink NAS messages include the following three types:

[0264] Message 1: Registration request message

[0265] When the uplink NAS message is a registration request message, the wireless communication method provided in the embodiment of the present application may be as shown in FIG15 , including:

[0266] S1501. The UE sends a registration request to the AMF.

[0267] The registration request message includes a container, and the container includes the first information, wherein the container is a UE Policy Container.

[0268] S1502. AMF interacts with PCF.

[0269] During the interaction between the AMF and the PCF, the AMF transmits the container or the first information to the PCF. If the AMF transmits the container to the PCF, the container may be the container in the registration request message. In this case, the container is transparently transmitted to the PCF.

[0270] S1503. AMF, RAN, AMF and PACF perform candidate steps of the registration process.

[0271] S1504. The AMF sends a registration request reply message to the UE.

[0272] Optionally, the registration request response message includes URSP parameters that the UE is allowed or required to use.

[0273] S1505. The PCF determines the content of the URSP based on the first information, and sends it to the UE through the UCU process.

[0274] Message 2: UE policy configuration request message

[0275] In the case where the uplink NAS message is a UE policy configuration request message, the wireless communication method provided in the embodiment of the present application may be shown in FIG16 , including:

[0276] S1601. The UE sends a UE policy configuration request message to the AMF.

[0277] The UE policy configuration request message includes a container (Container), and the container includes the first information. The container is a UE Policy Container.

[0278] S1602. AMF sends a configuration request message to PCF.

[0279] The AMF delivers the container or the first information to the PCF through a configuration request message.

[0280] S1603. PCF sends a configuration request message to AMF.

[0281] Optionally, the configuration request message includes URSP parameters that the UE is allowed or required to use.

[0282] S1604. The AMF sends a UE policy configuration reply message to the UE.

[0283] Optionally, the UE policy configuration reply message includes URSP parameters that the UE is allowed or required to use.

[0284] S1605. The PCF determines the content of the URSP based on the first information, and sends it to the UE through the UCU process.

[0285] Message 3: Uplink NAS transmission message

[0286] In the case where the uplink NAS message is an uplink NAS transmission message, the wireless communication method provided in the embodiment of the present application may be shown in FIG17 , including:

[0287] S1701. The UE sends an uplink NAS transmission message to the AMF.

[0288] The uplink NAS transmission message includes a container, and the container includes first information, wherein the container is a UE Policy Container.

[0289] S1702. AMF transfers the container or the first information to PCF.

[0290] If the AMF passes the container to the PCF, the container may be the container in the uplink NAS transport message. In this case, the container is transparently transmitted to the PCF.

[0291] S1703. The PCF determines the content of the URSP based on the first information, and sends it to the UE through the UCU process.

[0292] In the embodiment of the present application, the UCU process in Figures 15, 16, and 17 can refer to Figure 3 and will not be repeated here.

[0293] In practical applications, the wireless communication method provided in the embodiments of the present application can also be applied to the negotiation of other policies besides PCF. Furthermore, the negotiation of service types is not limited to the use of corresponding policies, and can be applied to the network and UE to determine the services supported / allowed by each other.

[0294] 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 fall within the scope of protection 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 no longer describe the various possible combinations separately. For another example, the various different embodiments of the present application can also be arbitrarily combined, as long as they do not violate the idea of ​​the present application, they should also be regarded as the contents disclosed in the present application. For another example, under the premise of no conflict, the various embodiments and / or the technical features in each embodiment described in the present application can be arbitrarily combined with the prior art, and the technical solution obtained after the combination should also fall within the scope of protection of the present application.

[0295] It should also be understood that in the various method embodiments of the present application, the sequence numbers of the above-mentioned processes do not imply a precedence in the order of execution. 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 embodiments of the present application. In addition, in the embodiments of the present application, the terms "downlink," "uplink," and "sidelink" are used to indicate the transmission direction of signals or data, where "downlink" is used to indicate the first direction of transmission of signals or data from a site to a user equipment in a cell, "uplink" is used to indicate the second direction of transmission of signals or data from a user equipment in a cell to a site, and "sidelink" is used to indicate the third direction of transmission of signals or data from user equipment 1 to user equipment 2. For example, "downlink signal" indicates that the transmission direction of the signal is the first direction. In addition, in the embodiments of the present application, the term "and / or" is merely a description of the association relationship between associated objects, indicating that three relationships can exist. Specifically, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.

[0296] FIG18 is a schematic diagram of the structure of a wireless communication device provided in an embodiment of the present application, which is applied to a terminal device. As shown in FIG18 , the wireless communication device 1800 includes:

[0297] The first communication unit 1801 is configured to send first information to the first network device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to the UE policy and the second parameter is related to the UE policy.

[0298] In some embodiments, the at least one first parameter is a User Equipment Routing Policy (URSP) parameter.

[0299] In some embodiments, the at least one first parameter comprises a parameter in a traffic descriptor and / or a parameter in a routing descriptor.

[0300] In some embodiments, if the at least one first parameter comprises a parameter in a routing descriptor, the at least one first parameter comprises a parameter in a routing component and / or a parameter in a routing validity condition.

[0301] In some embodiments, the at least one second parameter is a URSP parameter.

[0302] In some embodiments, the at least one second parameter comprises a parameter in a traffic descriptor and / or a parameter in a routing descriptor.

[0303] In some embodiments, if the at least one second parameter comprises a parameter in a routing descriptor, the at least one second parameter comprises a parameter in a routing component and / or a parameter in a routing validity condition.

[0304] In some embodiments, the first communication unit 1801 is further configured to send a first message to the first network device, where the first message carries the first information.

[0305] In some embodiments, the first message includes a first UE policy container, and the first information is included in the first UE policy container.

[0306] In some embodiments, the first message includes at least one of the following: a registration request message; a UE policy configuration request message; an uplink non-access stratum (NAS) transmission message.

[0307] In some embodiments, the first communication unit 1801 is further configured to receive a first UE policy sent by the first network device, where the first UE policy is determined based on the first information.

[0308] In some embodiments, the first communication unit 1801 is further configured to receive second information sent by the first network device, where the second information is used to indicate at least one third parameter that the terminal device is allowed or required to use, and the at least one third parameter is determined based on the at least one first parameter and / or the at least one second parameter.

[0309] In some embodiments, the third parameter of the at least one third parameter satisfies at least one of the following conditions:

[0310] said at least one first parameter including said third parameter;

[0311] The at least one second parameter does not include the third parameter.

[0312] FIG19 is a schematic diagram of the structure of a wireless communication device provided in an embodiment of the present application, which is applied to a first network device. As shown in FIG19 , the wireless communication device 1900 includes:

[0313] The second communication unit 1901 is configured to receive first information sent by a terminal device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to a UE policy and the second parameter is related to a UE policy;

[0314] The second communication unit 1901 is further configured to send the first information to a second network device.

[0315] In some embodiments, the at least one first parameter is a User Equipment Routing Policy (URSP) parameter.

[0316] In some embodiments, the at least one first parameter comprises a parameter in a traffic descriptor and / or a parameter in a routing descriptor.

[0317] In some embodiments, if the at least one first parameter comprises a parameter in a routing descriptor, the at least one first parameter comprises a parameter in a routing component and / or a parameter in a routing validity condition.

[0318] In some embodiments, the at least one second parameter is a URSP parameter.

[0319] In some embodiments, the at least one second parameter comprises a parameter in a traffic descriptor and / or a parameter in a routing descriptor.

[0320] In some embodiments, if the at least one second parameter comprises a parameter in a routing descriptor, the at least one second parameter comprises a parameter in a routing component and / or a parameter in a routing validity condition.

[0321] In some embodiments, the second communication unit 1901 is further configured to receive a first message sent by the terminal device, where the first message carries the first information.

[0322] In some embodiments, the first message includes a first UE policy container, and the first information is included in the first UE policy container.

[0323] In some embodiments, the first message includes at least one of the following: a registration request message; a UE policy configuration request message; an uplink non-access stratum (NAS) transmission message.

[0324] In some embodiments, the second communication unit 1901 is further configured to send a second message to the second network device, where the second message carries the first information.

[0325] In some embodiments, the second message includes a first UE policy container, and the first information is included in the first UE policy container; or

[0326] The first information is included in the second message.

[0327] In some embodiments, the second communication unit 1901 is further configured to receive a first UE policy sent by the second network device, where the first UE policy is determined based on the first information;

[0328] Send the first UE policy to the terminal device.

[0329] In some embodiments, the second communication unit 1901 is further configured to send second information to the terminal device, wherein the second information is used to indicate at least one third parameter that the terminal device is allowed or required to use, and the at least one third parameter is determined based on the at least one first parameter and / or the at least one second parameter.

[0330] In some embodiments, the third parameter of the at least one third parameter satisfies at least one of the following conditions:

[0331] said at least one first parameter including said third parameter;

[0332] The at least one second parameter does not include the third parameter.

[0333] In some embodiments, the wireless communication device 1900 further includes:

[0334] The first determining unit 1801 is configured to determine the second information based on the first information.

[0335] In some embodiments, the second communication unit 1901 is further configured to receive the second information sent by the second network device.

[0336] FIG20 is a schematic diagram of the structure of a wireless communication device provided in an embodiment of the present application, which is applied to a second network device. As shown in FIG20 , the wireless communication device 2000 includes:

[0337] The third communication unit 2001 is configured to receive first information sent by the first network device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to the UE policy and the second parameter is related to the UE policy.

[0338] In some embodiments, the at least one first parameter is a User Equipment Routing Policy (URSP) parameter.

[0339] In some embodiments, the at least one first parameter comprises a parameter in a traffic descriptor and / or a parameter in a routing descriptor.

[0340] In some embodiments, if the at least one first parameter comprises a parameter in a routing descriptor, the at least one first parameter comprises a parameter in a routing component and / or a parameter in a routing validity condition.

[0341] In some embodiments, the at least one second parameter is a URSP parameter.

[0342] In some embodiments, the at least one second parameter comprises a parameter in a traffic descriptor and / or a parameter in a routing descriptor.

[0343] In some embodiments, if the at least one second parameter comprises a parameter in a routing descriptor, the at least one second parameter comprises a parameter in a routing component and / or a parameter in a routing validity condition.

[0344] In some embodiments, the third communication unit 2001 is further configured to receive a second message sent by the first network device, where the second message carries the first information.

[0345] In some embodiments,

[0346] The second message includes a first UE policy container, and the first information is included in the first UE policy container; or,

[0347] The first information is included in the second message.

[0348] In some embodiments, the third communication unit 2001 is further configured to send a first UE policy to the first network device, where the first UE policy is determined based on the first information.

[0349] In some embodiments, the third communication unit 2001 is further configured to send second information to the first network device, wherein the second information is used to indicate at least one third parameter that the terminal device is allowed or required to use, and the at least one third parameter is determined based on the at least one first parameter and / or the at least one second parameter.

[0350] In some embodiments, the third parameter satisfies at least one of the following conditions:

[0351] said at least one first parameter including said third parameter;

[0352] The at least one second parameter does not include the third parameter.

[0353] Those skilled in the art should understand that the relevant description of the above-mentioned wireless communication device in the embodiment of the present application can be understood with reference to the relevant description of the wireless communication method in the embodiment of the present application.

[0354] Figure 21 is a schematic diagram of a communication device 2100 provided in an embodiment of the present application. The communication device can be a terminal device, or a first network device, a second network device, or a third network device. The communication device 2100 shown in Figure 21 includes a processor 2110, which can call and execute a computer program from a memory to implement the method in the embodiment of the present application.

[0355] Optionally, as shown in FIG21 , the communication device 2100 may further include a memory 2120. The processor 2110 may call and execute a computer program from the memory 2120 to implement the method in the embodiment of the present application.

[0356] The memory 2120 may be a separate device independent of the processor 2110 , or may be integrated into the processor 2110 .

[0357] Optionally, as shown in FIG21 , the communication device 2100 may further include a transceiver 2130 , and the processor 2110 may control the transceiver 2130 to communicate with other devices, specifically, to send information or data to other devices, or to receive information or data sent by other devices.

[0358] The transceiver 2130 may include a transmitter and a receiver. The transceiver 2130 may further include an antenna, and the number of antennas may be one or more.

[0359] Optionally, the communication device 2100 may be specifically the first network device of the embodiment of the present application, and the communication device 2100 may implement the corresponding processes implemented by the first network device in each method of the embodiment of the present application. For the sake of brevity, they are not described here. The second communication unit in the first network device may be implemented by the transceiver 2130, and the first determination unit may be implemented by the processor 2110.

[0360] Optionally, the communication device 2100 may be specifically the second network device of the embodiment of the present application, and the communication device 2100 may implement the corresponding processes implemented by the second network device in each method of the embodiment of the present application. For the sake of brevity, they are not further described here. The third communication unit in the second network device may be implemented by the transceiver 2130.

[0361] Optionally, the communication device 2100 may be a mobile terminal / terminal device according to an embodiment of the present application, and the communication device 2100 may implement the corresponding processes implemented by the mobile terminal / terminal device in each method according to the embodiment of the present application. For the sake of brevity, these processes are not described here. The first communication unit in the terminal device may be implemented by the transceiver 2130.

[0362] Figure 22 is a schematic structural diagram of a chip according to an embodiment of the present application. The chip 2200 shown in Figure 22 includes a processor 2210, which can call and run a computer program from a memory to implement the method according to the embodiment of the present application.

[0363] Optionally, as shown in FIG22 , the chip 2200 may further include a memory 2220. The processor 2210 may call and execute a computer program from the memory 2220 to implement the method in the embodiment of the present application.

[0364] The memory 2220 may be a separate device independent of the processor 2210 , or may be integrated into the processor 2210 .

[0365] Optionally, the chip 2200 may further include an input interface 2230. The processor 2210 may control the input interface 2230 to communicate with other devices or chips, and specifically, may obtain information or data sent by other devices or chips.

[0366] Optionally, the chip 2200 may further include an output interface 2240. The processor 2210 may control the output interface 2240 to communicate with other devices or chips, and specifically, may output information or data to other devices or chips.

[0367] Optionally, the chip can be applied to the first network device or the second network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the first network device or the second network device in each method of the embodiment of the present application. For the sake of brevity, they will not be repeated here.

[0368] Optionally, the chip can be applied to the mobile terminal / terminal device in the embodiments of the present application, and the chip can implement 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 will not be repeated here.

[0369] It should be understood that the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.

[0370] FIG23 is a schematic block diagram of a communication system 2300 provided in an embodiment of the present application. As shown in FIG23 , the communication system 2300 includes a terminal device 2310 and a network device 2320 .

[0371] Among them, the terminal device 2310 can be used to implement the corresponding functions implemented by the terminal device in the above method, and the network device 2320 can be used to implement the corresponding functions implemented by the first network device or the second network device in the above method. For the sake of brevity, they will not be repeated here.

[0372] It should be understood that the processor of the embodiments of the present application may be an integrated circuit chip with signal processing capabilities. During implementation, each step of the above method embodiment can be completed by hardware integrated logic circuits in the processor or software instructions. The above processor can be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components. The various methods, steps, and logic block diagrams disclosed in the embodiments of the present application can be implemented or executed. The general-purpose processor can be a microprocessor or any conventional processor. The steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed by a hardware decoding processor, or can be executed by a combination of hardware and software modules in the decoding processor. The software module can be located in a storage medium mature in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, registers, etc. The storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.

[0373] It is understood that the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memories. Among them, the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. The volatile memory may be a 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 dynamic random access memory (SLDRAM), and direct RAM bus random access memory (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to include, but is not limited to, these and any other suitable types of memory.

[0374] It should be understood that the above-mentioned memories are exemplary but not restrictive. For example, the memories in the embodiments of the present application may also be 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 dynamic random access memory (SLDRAM), and direct RAM RAM (DR RAM), etc. In other words, the memories in the embodiments of the present application are intended to include, but are not limited to, these and any other suitable types of memories.

[0375] An embodiment of the present application also provides a computer-readable storage medium for storing a computer program.

[0376] Optionally, the computer-readable storage medium can be applied to the first network device or the second network device in the embodiments of the present application, and the execution of the computer program enables the computer to execute the corresponding processes implemented by the first network device or the second network device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.

[0377] 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 will not be repeated here.

[0378] An embodiment of the present application also provides a computer program product, including computer program instructions.

[0379] Optionally, the computer program product can be applied to the first network device or the second network device in the embodiments of the present application, and the execution of the computer program instructions enables the computer to execute the corresponding processes implemented by the first network device or the second network device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.

[0380] Optionally, the computer program product can be applied to the mobile terminal / terminal device in the embodiments of the present application, and the execution of the computer program instructions 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 will not be repeated here.

[0381] The embodiment of the present application also provides a computer program.

[0382] Optionally, the computer program can be applied to the first network device or the second 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 first network device or the second network device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.

[0383] Optionally, the computer program can be applied to the mobile terminal / terminal device in the embodiments of the present application. When the computer program runs on the computer, the computer executes 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 will not be repeated here.

[0384] 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 beyond the scope of this application.

[0385] Those skilled in the art will 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.

[0386] In the several embodiments provided in this application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are merely schematic. For example, the division of the units is merely a logical function division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0387] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0388] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0389] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, 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. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in each 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 (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0390] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A wireless communication method, the method comprising: The terminal device sends first information to the first network device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to the UE policy and the second parameter is related to the UE policy.

2. The method according to claim 1, wherein The at least one first parameter belongs to a User Equipment Routing Policy (URSP) parameter.

3. The method according to claim 2, wherein: The at least one first parameter includes a parameter in a service descriptor and / or a parameter in a routing descriptor.

4. The method according to claim 3, wherein: If the at least one first parameter comprises a parameter in a routing descriptor, the at least one first parameter comprises a parameter in a routing component and / or a parameter in a routing validity condition.

5. The method according to claim 1, wherein The at least one second parameter belongs to the URSP parameters.

6. The method according to claim 5, wherein: The at least one second parameter includes a parameter in a traffic descriptor and / or a parameter in a routing descriptor.

7. The method according to claim 6, wherein: If the at least one second parameter comprises a parameter in a routing descriptor, the at least one second parameter comprises a parameter in a routing component and / or a parameter in a routing validity condition.

8. The method according to any one of claims 1 to 7, wherein The terminal device sending first information to the first network device includes: The terminal device sends a first message to the first network device, where the first message carries the first information.

9. The method according to claim 8, wherein The first message includes a first UE policy container, and the first information is included in the first UE policy container.

10. The method according to claim 8 or 9, wherein: The first message includes at least one of the following: Registration request message; UE policy configuration request message; Uplink non-access stratum NAS transmission message.

11. The method according to any one of claims 1 to 10, wherein The method further comprises: The terminal device receives a first UE policy sent by the first network device, where the first UE policy is determined based on the first information.

12. The method according to any one of claims 1 to 11, wherein The method further comprises: The terminal device receives second information sent by the first network device, where the second information is used to indicate at least one third parameter that the terminal device is allowed or required to use, and the at least one third parameter is determined based on the at least one first parameter and / or the at least one second parameter.

13. The method according to claim 12, wherein: The third parameter in the at least one third parameter satisfies at least one of the following conditions: said at least one first parameter including said third parameter; The at least one second parameter does not include the third parameter.

14. A wireless communication method, comprising: A first network device receives first information sent by a terminal device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to a UE policy, and the second parameter is related to a UE policy; The first network device sends the first information to the second network device.

15. The method according to claim 14, wherein The at least one first parameter belongs to a User Equipment Routing Policy (URSP) parameter.

16. The method according to claim 15, wherein The at least one first parameter includes a parameter in a service descriptor and / or a parameter in a routing descriptor.

17. The method according to claim 16, wherein If the at least one first parameter comprises a parameter in a routing descriptor, the at least one first parameter comprises a parameter in a routing component and / or a parameter in a routing validity condition.

18. The method according to claim 14, wherein The at least one second parameter belongs to the URSP parameters.

19. The method according to claim 18, wherein The at least one second parameter includes a parameter in a traffic descriptor and / or a parameter in a routing descriptor.

20. The method according to claim 19, wherein If the at least one second parameter comprises a parameter in a routing descriptor, the at least one second parameter comprises a parameter in a routing component and / or a parameter in a routing validity condition.

21. The method according to any one of claims 14 to 20, wherein The first network device receives first information sent by the terminal device, including: The first network device receives a first message sent by the terminal device, where the first message carries the first information.

22. The method according to claim 21, wherein The first message includes a first UE policy container, and the first information is included in the first UE policy container.

23. The method according to claim 21 or 22, wherein The first message includes at least one of the following: Registration request message; UE policy configuration request message; Uplink non-access stratum NAS transmission message.

24. The method according to claim 22, wherein The first network device sending the first information to the second network device includes: The first network device sends a second message to the second network device, where the second message carries the first information.

25. The method according to claim 24, wherein The second message includes a first UE policy container, and the first information is included in the first UE policy container; or, The first information is included in the second message.

26. The method according to any one of claims 14 to 25, wherein The method further comprises: The first network device receives a first UE policy sent by the second network device, where the first UE policy is determined based on the first information; The first network device sends the first UE policy to the terminal device.

27. The method according to any one of claims 14 to 26, wherein The method further comprises: The first network device sends second information to the terminal device, where the second information is used to indicate at least one third parameter that the terminal device is allowed or required to use, and the at least one third parameter is determined based on the at least one first parameter and / or the at least one second parameter.

28. The method according to claim 27, wherein The third parameter in the at least one third parameter satisfies at least one of the following conditions: said at least one first parameter including said third parameter; The at least one second parameter does not include the third parameter.

29. The method according to claim 27 or 28, wherein The method further comprises: The first network device determines the second information based on the first information.

30. The method according to claim 27 or 28, wherein The method further comprises: The first network device receives the second information sent by the second network device.

31. A wireless communication method, the method comprising: The second network device receives first information sent by the first network device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to the UE policy and the second parameter is related to the UE policy.

32. The method according to claim 31, wherein The at least one first parameter belongs to a User Equipment Routing Policy (URSP) parameter.

33. The method according to claim 32, wherein The at least one first parameter includes a parameter in a service descriptor and / or a parameter in a routing descriptor.

34. The method according to claim 33, wherein If the at least one first parameter comprises a parameter in a routing descriptor, the at least one first parameter comprises a parameter in a routing component and / or a parameter in a routing validity condition.

35. The method of claim 31 , wherein: The at least one second parameter belongs to the URSP parameters.

36. The method according to claim 35, wherein The at least one second parameter includes a parameter in a traffic descriptor and / or a parameter in a routing descriptor.

37. The method according to claim 36, wherein If the at least one second parameter comprises a parameter in a routing descriptor, the at least one second parameter comprises a parameter in a routing component and / or a parameter in a routing validity condition.

38. The method according to any one of claims 31 to 37, wherein The second network device receiving the first information sent by the first network device includes: The second network device receives a second message sent by the first network device, where the second message carries the first information.

39. The method according to claim 38, wherein The second message includes a first UE policy container, and the first information is included in the first UE policy container; or, The first information is included in the second message.

40. The method according to any one of claims 31 to 39, wherein The method further comprises: The second network device sends a first UE policy to the first network device, where the first UE policy is determined based on the first information.

41. The method according to any one of claims 31 to 40, wherein The method further comprises: The second network device sends second information to the first network device, where the second information is used to indicate at least one third parameter that the terminal device is allowed or required to use, and the at least one third parameter is determined based on the at least one first parameter and / or the at least one second parameter.

42. The method according to claim 41, wherein The third parameter satisfies at least one of the following conditions: said at least one first parameter including said third parameter; The at least one second parameter does not include the third parameter.

43. A wireless communication device comprising: A first communication unit is configured to send first information to a first network device, wherein the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, the first parameter being related to a UE policy, and the second parameter being related to a UE policy.

44. A wireless communication device comprising: a second communication unit configured to receive first information sent by a terminal device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to a UE policy, and the second parameter is related to a UE policy; The second communication unit is further configured to send the first information to a second network device.

45. A wireless communication device comprising: The third communication unit is configured to receive first information sent by the first network device, where the first information is used to indicate at least one first parameter supported by the terminal device and / or at least one second parameter not supported by the terminal device, where the first parameter is related to the UE policy and the second parameter is related to the UE policy.

46. ​​A terminal device comprising: A processor and a memory, the memory being used to store a computer program, the processor being used to call and run the computer program stored in the memory to execute the method according to any one of claims 1 to 13.

47. A network device comprising: A processor and a memory, the memory being used to store a computer program, the processor being used to call and run the computer program stored in the memory to execute the method according to any one of claims 14 to 30.

48. A network device comprising: A processor and a memory, the memory being used to store a computer program, the processor being used to call and run the computer program stored in the memory to execute the method according to any one of claims 31 to 42.

49. A chip comprising: A processor for calling and running a computer program from a memory so that a device equipped with the chip executes the method according to any one of claims 1 to 13, or executes the method according to any one of claims 14 to 30, or executes the method according to any one of claims 31 to 42.

50. A computer-readable storage medium for storing a computer program, wherein the execution of the computer program causes a computer to execute the method according to any one of claims 1 to 13, or the method according to any one of claims 14 to 30, or the method according to any one of claims 31 to 42.

51. A computer program product comprising computer program instructions, wherein execution of the computer program instructions causes a computer to perform the method according to any one of claims 1 to 13, or the method according to any one of claims 14 to 30, or the method according to any one of claims 31 to 42.

52. A computer program, wherein the execution of the computer program causes a computer to execute the method according to any one of claims 1 to 13, or the method according to any one of claims 14 to 30, or the method according to any one of claims 31 to 42.

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