CN116567529A

CN116567529A - Terminal policy updating method, terminal and communication equipment

Info

Publication number: CN116567529A
Application number: CN202210108177.8A
Authority: CN
Inventors: 吕华章
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2023-08-08

Abstract

The application discloses a terminal policy updating method, a terminal and communication equipment, which belong to the technical field of communication, and the terminal policy updating method in the embodiment of the application comprises the following steps: the method comprises the steps that first indication information sent by second communication equipment is received by first communication equipment, wherein the first indication information is used for indicating a data network access identifier DNAI corresponding to the current position of a terminal; the first communication equipment acquires a terminal strategy corresponding to the DNAI according to the first indication information; and the first communication equipment sends the terminal strategy corresponding to the DNAI to the terminal.

Description

Terminal policy updating method, terminal and communication equipment

Technical Field

The application belongs to the technical field of communication, and particularly relates to a terminal policy updating method, a terminal and communication equipment.

Background

In the third generation mobile communication standardization organization (3rd Generation Partnership Project,3GPP) protocol, the concept of a terminal (UE) routing policy (UE Route Selection Policy, urs) is defined, and the UE can match the data flow of an Application (APP) to a specific protocol data unit (Protocol Data Unit, PDU) session according to the urs rules.

Prior art core network devices send the urs rules to the UE, which processes the APP data stream using the received urs rules, but in some scenarios, such as edge computation scenarios, the previously allocated urs rules may not meet the current requirements. Therefore, it is highly desirable for those skilled in the art to implement an update scheme for a terminal routing policy.

Disclosure of Invention

The embodiment of the application provides a terminal policy updating method, a terminal and communication equipment, which can solve the problem of updating a terminal routing policy.

In a first aspect, a method for updating a terminal policy is provided, which is applied to a first communication device, and the method includes:

the method comprises the steps that first indication information sent by second communication equipment is received by first communication equipment, wherein the first indication information is used for indicating a data network access identifier DNAI corresponding to the current position of a terminal;

the first communication equipment acquires a terminal strategy corresponding to the DNAI according to the first indication information;

and the first communication equipment sends the terminal strategy corresponding to the DNAI to the terminal.

In a second aspect, a method for updating a terminal policy is provided, which is applied to a terminal, and the method includes:

Under the condition that the position of a terminal changes, the terminal receives a terminal strategy corresponding to a data network access identifier DNAI sent by first communication equipment, wherein the DNAI is DNAI corresponding to the current position of the terminal;

and the terminal processes the data flow of the terminal based on the terminal strategy corresponding to the DNAI.

In a third aspect, a method for updating a terminal policy is provided, which is applied to a second communication device, and the method includes:

under the condition that the position of a terminal changes, the second communication equipment determines a data network access identifier DNAI corresponding to the terminal according to the current position of the terminal;

the second communication device sends first indication information to the first communication device, wherein the first indication information is used for indicating DNAI corresponding to the terminal.

In a fourth aspect, a terminal policy updating apparatus is provided, including:

the receiving module is used for receiving first indication information sent by the second communication equipment, wherein the first indication information is used for indicating a data network access identifier DNAI corresponding to the current position of the terminal;

the acquisition module is used for acquiring the terminal strategy corresponding to the DNAI according to the first indication information;

And the sending module is used for sending the terminal strategy corresponding to the DNAI to the terminal.

In a fifth aspect, a terminal policy updating apparatus is provided, including:

a receiving module, configured to receive a terminal policy corresponding to a data network access identifier DNAI sent by a first communication device, where the DNAI is a DNAI corresponding to a current location where the terminal is located, where the location of the terminal is changed;

and the processing module is used for processing the data flow of the terminal based on the terminal strategy corresponding to the DNAI.

In a sixth aspect, a terminal policy updating apparatus is provided, including:

the processing module is used for determining a data network access identifier DNAI corresponding to the terminal according to the current position of the terminal under the condition that the position of the terminal is changed;

the sending module is used for sending first indication information to the first communication equipment, wherein the first indication information is used for indicating DNAI corresponding to the terminal.

In a seventh aspect, there is provided a first communications device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method as described in the first aspect.

An eighth aspect provides a first communication device, including a processor and a communication interface, where the communication interface is configured to receive first indication information sent by a second communication device, where the first indication information is used to indicate a data network access identifier DNAI corresponding to a current location where a terminal is located; sending a terminal strategy corresponding to the DNAI to the terminal; the processor is configured to obtain, according to the first indication information, a terminal policy corresponding to the DNAI.

In a ninth aspect, there is provided a terminal comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method as described in the second aspect.

In a tenth aspect, a terminal is provided, including a processor and a communication interface, where the communication interface is configured to receive, in a case where a location of the terminal changes, a terminal policy corresponding to a data network access identifier DNAI sent by a first communication device, where the DNAI is a DNAI corresponding to a current location where the terminal is located; the processor is used for processing the data flow of the terminal based on the terminal strategy corresponding to the DNAI.

In an eleventh aspect, there is provided a second communication device comprising a processor and a memory storing a program or instructions executable on the processor, which program or instructions when executed by the processor implement the steps of the method as described in the third aspect.

A twelfth aspect provides a second communication device, including a processor and a communication interface, where the processor is configured to determine, when a location of a terminal changes, a data network access identifier DNAI corresponding to the terminal according to a current location of the terminal; the communication interface is configured to send first indication information to the first communication device, where the first indication information is used to indicate DNAI corresponding to the terminal.

In a thirteenth aspect, there is provided a communication system comprising: a terminal, a first communication device and a second communication device, the terminal being operable to perform the steps of the terminal policy update method according to the second aspect, the first communication device being operable to perform the steps of the terminal policy update method according to the first aspect, the first communication device and the second communication device being operable to perform the steps of the terminal policy update method according to the third aspect.

In a fourteenth aspect, there is provided a readable storage medium having stored thereon a program or instructions which when executed by a processor, perform the steps of the method according to the first aspect, perform the steps of the method according to the second aspect or perform the steps of the method according to the third aspect.

In a fifteenth aspect, there is provided a chip comprising a processor and a communication interface, the communication interface and the processor being coupled, the processor being for running a program or instructions to implement a method as described in the first aspect, to implement a method as described in the second aspect, or to implement a method as described in the third aspect.

In a sixteenth aspect, there is provided a computer program/program product stored in a storage medium, the computer program/program product being executed by at least one processor to implement the steps of the terminal policy updating method according to any of the first to third aspects.

In the embodiment of the application, the first communication device receives first indication information sent by the second communication device, where the first indication information is used for indicating a data network access identifier DNAI corresponding to a current location where the terminal is located; the first communication equipment acquires a terminal strategy corresponding to DNAI according to the first indication information; the first communication equipment sends the terminal strategy corresponding to the DNAI to the terminal, the terminal can process the APP data stream of the terminal based on the terminal strategy corresponding to the DNAI, and for the terminal in different positions or areas, the network side equipment can dynamically allocate the corresponding terminal strategy to the terminal, so that the flexibility is high.

Drawings

Fig. 1 is a block diagram of a wireless communication system to which embodiments of the present application are applicable;

fig. 2 is one of flow diagrams of a terminal policy update method provided in an embodiment of the present application;

fig. 3 is one of the interactive flow diagrams of the terminal policy updating method provided in the embodiment of the present application;

FIG. 4 is a second schematic diagram of an interaction flow of a terminal policy update method according to an embodiment of the present application;

FIG. 5 is a third schematic diagram of an interaction flow of a terminal policy update method according to an embodiment of the present application;

fig. 6 is a schematic diagram of an interaction flow of a terminal policy updating method according to an embodiment of the present application;

fig. 7 is a fifth schematic diagram of an interaction flow of the terminal policy updating method provided in the embodiment of the present application;

fig. 8 is a sixth schematic interaction flow diagram of a terminal policy updating method according to an embodiment of the present application;

fig. 9 is a seventh schematic diagram of an interaction flow of a terminal policy update method according to an embodiment of the present application;

fig. 10 is an eighth schematic interaction flow diagram of a terminal policy update method according to an embodiment of the present application;

FIG. 11 is a second flowchart of a terminal policy update method according to an embodiment of the present disclosure;

FIG. 12 is a third flowchart of a terminal policy update method according to an embodiment of the present disclosure;

Fig. 13 is a schematic structural diagram of a terminal policy updating device according to an embodiment of the present application

Fig. 14 is a second schematic structural diagram of a terminal policy updating device according to an embodiment of the present application;

fig. 15 is a third schematic structural diagram of a terminal policy updating device according to an embodiment of the present application;

fig. 16 is a schematic structural diagram of a communication device provided in an embodiment of the present application;

fig. 17 is a schematic hardware structure of a terminal according to an embodiment of the present application;

fig. 18 is a schematic structural diagram of a network-side device according to an embodiment of the present application.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or otherwise described herein, and that the terms "first" and "second" are generally intended to be used in a generic sense and not to limit the number of objects, for example, the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/" generally means a relationship in which the associated object is an "or" before and after.

It is noted that the techniques described in embodiments of the present application are not limited to long term evolution (Long Term Evolution, LTE)/LTE evolution (LTE-Advanced, LTE-a) systems, but may also be used in other wireless communication systems, such as code division multiple access (Code Division Multiple Access, CDMA), time division multiple access (Time Division Multiple Access, TDMA), frequency division multiple access (Frequency Division Multiple Access, FDMA), orthogonal frequency division multiple access (Orthogonal Frequency Division Multiple Access, OFDMA), single carrier frequency division multiple access (Single-carrier Frequency Division Multiple Access, SC-FDMA), and other systems. The terms "system" and "network" in embodiments of the present application are often used interchangeably, and the techniques described may be used for both the above-mentioned systems and radio technologies, as well as other systems and radio technologies. The following description describes a New air interface (NR) system for purposes of example and uses NR terminology in much of the description that follows, but these techniques are also applicable to applications other than NR system applications, such as generation 6 (6) ^th Generation, 6G) communication system.

Fig. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable. The wireless communication system includes a terminal 11 and a network device 12. The terminal 11 may be a mobile phone, a tablet (Tablet Personal Computer), a Laptop (Laptop Computer) or a terminal-side Device called a notebook, a personal digital assistant (Personal Digital Assistant, PDA), a palm top, a netbook, an ultra-mobile personal Computer (ultra-mobile personal Computer, UMPC), a mobile internet appliance (Mobile Internet Device, MID), an augmented reality (augmented reality, AR)/Virtual Reality (VR) Device, a robot, a Wearable Device (weather Device), a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), a smart home (home Device with a wireless communication function, such as a refrigerator, a television, a washing machine, or a furniture), a game machine, a personal Computer (personal Computer, PC), a teller machine, or a self-service machine, and the Wearable Device includes: intelligent wrist-watch, intelligent bracelet, intelligent earphone, intelligent glasses, intelligent ornament (intelligent bracelet, intelligent ring, intelligent necklace, intelligent anklet, intelligent foot chain etc.), intelligent wrist strap, intelligent clothing etc.. Note that, the specific type of the terminal 11 is not limited in the embodiment of the present application. The network-side device 12 may comprise an access network device or a core network device, wherein the access network device 12 may also be referred to as a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or a radio access network element. Access network device 12 may include a base station, a WLAN access point, a WiFi node, or the like, which may be referred to as a node B, an evolved node B (eNB), an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a home node B, a home evolved node B, a transmission and reception point (Transmitting Receiving Point, TRP), or some other suitable terminology in the art, and the base station is not limited to a particular technical vocabulary so long as the same technical effect is achieved, and it should be noted that in the embodiments of the present application, only a base station in an NR system is described as an example, and the specific type of the base station is not limited.

First, the principle of the urs rule is described:

the terminal can match traffic of APP to a specific PDU session according to the urs rule, for example, when an application on the terminal has traffic to send to the server, the APP can send APP traffic characteristics to the terminal, which are more similar, such as destination IP address to which the traffic wants to send, fully qualified domain name (Fully Qualified Domain Name, FQDN) of the traffic, etc. The terminal then uses Traffic descriptor traffic descriptors in the urs rules to match one by one according to the APP traffic characteristics, where the specified traffic descriptions/characteristics include the following:

TABLE 1

For example, in table 1, the second entry, APP, is the traffic to be sent, which is to be sent to destination ip=10.1.1.1, port number=80. The terminal then uses the traffic descriptors in the urs rules within the terminal to select and match one by one according to the traffic characteristics of the application. If there is exactly this traffic description in a certain urs rule of the terminal, for example, in Traffic descriptor, a descriptor of a destination IP triplet is included, where the descriptor is: destination ip=10.1.1.1, port number=80, then this means that the flow of APP can be matched by this flow descriptor, i.e. this means that the flow can be matched using this urs rule.

Then, after selecting the corresponding Traffic descriptor for the application traffic, the RSD under the traffic descriptor needs to be used: and selecting a PDU session for the traffic of the APP to send the traffic of the APP by the path selection descriptor. The RSD is a parameter or PDU session attribute that includes a series of PDU sessions, and these parameters or attributes correspond to a PDU session, and each application's traffic is carried in a specific PDU session and sent to the server.

Generally, under a certain traffic description, there are multiple routing descriptors (Route Selection descriptor, RSD), each RSD representing a set of attributes of a PDU session. For example, when APP traffic matches the set traffic descriptor with destination ip=10.1.1.1, port number=80, then the set traffic descriptor has the following 2 RSDs:

1、RSD precedence＝1

wherein, S-NSSAI-a;

Non-3GPP Access；

2、RSD precedence＝2

wherein, S-NSSAI-a;

3GPP Access；

DNN＝Internet；

SSC mode＝3。

for example, the PDU session corresponding to RSD1 has the following characteristics: s-nsai = S-nsai-a, non-3GPP access is used. Then, the traffic of the APP is carried on the PDU session corresponding to rsd=1 or rsd=2, and is sent to the server.

The current edge calculation scenes are quite common, and the strategies under the edge calculation scenes are probably not the same as the strategies of the whole network system. For example: for a game, the players are all accessed public network servers at the time of the public network. However, because of the local location of a community or user, there may also be a local service server, which may be referred to as an edge application server (Edge Application Server, EAS), which is closer to the terminal and provides better quality of service and experience, for gamers in the community, the terminal is in the area of the community and has access to EAS on the local DN data network. Thus, we can consider that when the terminal moves to this DN range, a urs rule corresponding to the region can be generated for the terminal, and then the user can match the game traffic to a local PDU session and then connect to the EAS for the region. The player's terminal, corresponding to this area, connects to the local EAS server using the local PDU session. Therefore, as can be seen from the above example, the design of the urs rule of a certain APP traffic corresponding to a terminal may also be different for the terminal, possibly due to the different location of the terminal. Thus, in the method of the embodiments of the present application, it may be considered to configure policies for different DNs, i.e. each DN has a corresponding policy, i.e. configure per DN policy. The policy allocated to the terminal by the network side device can be dynamically changed for the terminal under different positions or areas.

In addition, the network side device sends the terminal urs rules, such as for a certain FQDN (for example: fqdn=app2), so that the terminal has great autonomy to select the RSD under traffic descriptor matching the FQDN.

TABLE 2

For example, table 2 shows the urs rules sent by the network side device to the terminal, where Application descriptor =app2 is satisfied under Traffic descriptor. If the traffic sent by the application on the terminal satisfies application descriptor =app2, the terminal can perform traffic matching with the two RSDs under traffic descriptor. That is, using this Rule (traffic descriptor) with Rule pre-concentration=2, then selecting a matching PDU session for this application traffic from rsd=1 or rsd=2. But this is entirely self-deciding by the terminal, i.e. ultimately selecting whether the PDU session described by RSD1 or RSD2 ultimately carries APP traffic, completely under the control of the terminal itself. If there are other urs rules (Traffic descriptor) in the terminal that meet application descriptor =app2, or if the RSD is more generic, then the terminal's autonomy is greater.

Therefore, in the embodiment of the present application, for the case of application descriptor =app2, the network may instruct, or force, the terminal to select the PDU session corresponding to RSD1 under rule pre-concentration 2 to carry the application data stream. This has the advantage that on the one hand the design of the internal logic of the terminal is reduced, on the other hand the network side equipment and the operator can better manage each PDU session, and can know which applications traffic each PDU session carries.

The terminal policy updating method provided by the embodiment of the application is described in detail below by means of some embodiments and application scenarios thereof with reference to the accompanying drawings.

Fig. 2 is a schematic flow chart of a terminal policy update method according to an embodiment of the present application. As shown in fig. 2 and 3, the method provided in this embodiment includes:

step 101, a first communication device receives first indication information sent by a second communication device, where the first indication information is used for indicating a data network access identifier DNAI corresponding to a current location where a terminal is located;

specifically, the first communication device and the second communication device may be network side devices (such as core network devices), the first communication device may be, for example, an access and mobility management function (Access and Mobility Management Function, AMF) network element or a policy control function (Policy Control Function, PCF) network element, and the second communication device may be, for example, a session management function (Session Management Function, SMF) network element.

In the process of changing the location of the terminal, the accessed Data Network (DN) corresponding to the location of the terminal may change, and thus, the address of the accessed server may change due to the change of the Data Network accessed by the terminal. If the policy of the terminal is not updated and the previous old policy is used, the terminal may not enjoy the advantages of the edge calculation, for example, the terminal may not have access to a local or edge server nearby. After DN changes, the terminal policy can be updated to a new terminal policy corresponding to DN that can be accessed by the changed terminal, different terminal policies may have different modes when processing APP data streams of the terminal, the new terminal policy can enable applications in the terminal to be matched to a local session, and a server in DN is accessed or accessed. The DN may be represented by a data network access identifier (DN Access Identifier, DNAI).

For example, when dnai=1, the terminal policy is as follows in table 3:

TABLE 3 Table 3

For example, when dnai=2, the terminal policy is as follows in table 4:

TABLE 4 Table 4

The second communication device (e.g., core network device) may determine the corresponding DN and DNAI by selecting an appropriate PDU session anchor point (PDU Session Anchor, PSA), user plane function (User Plane Function, UPF) for the terminal based on its current location. Currently the terminal accesses the DN via some PSA, so we generally consider that this UE is within the service range of the determined DN. Further, first indication information is sent to the first communication device to indicate DNAI corresponding to the current location of the terminal, and the first communication device can acquire a corresponding terminal policy based on the first indication information.

Step 102, the first communication equipment acquires a terminal strategy corresponding to DNAI according to the first indication information;

specifically, the first communication device obtains a terminal policy corresponding to the DNAI according to the DNAI indicated by the first indication information, and optionally, there may be different terminal policies based on each DNAI or each local DN.

For example, when the first communication device is an AMF, the terminal policy corresponding to the DNAI may be triggered to be acquired from the PCF, and when the first communication device is the PCF, the terminal policy corresponding to the DNAI may be directly determined.

Alternatively, terminal policies corresponding to different DNAIs may be pre-configured or predefined.

Optionally, the terminal policy includes: terminal routing policy urs.

Step 103, the first communication device sends the terminal policy corresponding to the DNAI to the terminal.

Specifically, after acquiring the terminal policy corresponding to the DNAI, the first communication device sends the terminal policy to the terminal, and the terminal may process the APP data stream of the terminal based on the terminal policy corresponding to the DNAI. For example, the terminal selects a corresponding PDU session for the APP data stream to carry according to the terminal policy corresponding to the DNAI. The parameters or attributes of the PDU session are specified by the corresponding terminal policy, as shown in tables 3 and 4.

In the method of the embodiment, a first communication device receives first indication information sent by a second communication device, where the first indication information is used for indicating a data network access identifier DNAI corresponding to a current location where a terminal is located; the first communication equipment acquires a terminal strategy corresponding to DNAI according to the first indication information; the first communication equipment sends the terminal strategy corresponding to the DNAI to the terminal, the terminal can process the APP data stream of the terminal based on the terminal strategy corresponding to the DNAI, and for the terminal in different positions or areas, the network side equipment can dynamically allocate the corresponding terminal strategy to the terminal, so that the flexibility is high, and the service experience and quality of the terminal are better.

Optionally, as shown in fig. 4 and fig. 5, the first communication device subscribes to the second communication device for a change event of DNAI corresponding to the terminal; the change event of the DNAI indicates that the DNAI corresponding to the terminal changes;

the first indication information is received in case of a change event of DNAI.

Specifically, in a scenario where the first communication device is an AMF, the AMF subscribes to events of the SMF, that is: event of DNAI change. AMF triggers: nsmf_eventExponsure_subscore to SMF, subscribe to changes in DNAI.

In the scenario where the first communication device is a PCF, the PCF subscribes to events of the SMF, namely: event of DNAI change. PCF triggers: nsmf_eventExponsure_subscore to SMF, subscribe to changes in DNAI.

Optionally, the unified data store (Unified Data Repository, UDR) may store the terminal policies, held in per DNAI manner, i.e. each DNAI has a corresponding terminal policy. For example, the urs rules are stored in different DNAI.

Optionally, the first communication device sends a terminal policy corresponding to the DNAI to the terminal through a Non-Access-Stratum (NAS) message. Optionally, the downlink NAS message includes:

registration accept Registration Accept message.

In the embodiment, the terminal strategy can be updated timely by subscribing the DNAI change event, so that the instantaneity is good.

Because a new trigger terminal policy issuing mechanism is set, a policy control request trigger condition is also newly added, as shown in the following table 5:

TABLE 5

The change of DNAI is a new trigger condition for updating the terminal policy, because the change of DNAI causes the terminal policy to need to be updated.

In an embodiment, as shown in fig. 4, in the case where the first communication device is an AMF, step 102 may be implemented as follows:

the first communication equipment sends a first request message to the third communication equipment according to the first indication information, wherein the first request message is used for requesting to acquire a terminal strategy corresponding to DNAI;

the first communication device receives a terminal policy corresponding to DNAI sent by the third communication device.

Specifically, as shown in fig. 4, the second communication device may be an SMF, and the AMF subscribes to an event of the SMF, that is: event of DNAI change.

The SMF sends the first instruction information by using the signaling Nsmf_EventExposure_Notify, and notifies the AMF of the new DNAI after the terminal position change.

The AMF sends a first request message to third communication equipment (such as PCF) according to the first indication information so as to request to acquire a terminal strategy corresponding to DNAI; the first Request message may be sent by signaling npcf_uepolicycontrol_update Request, or npcf_uepolicycontrol_create Request. The first request message includes DNAI.

The PCF determines the terminal strategy corresponding to the DNAI, and sends the terminal strategy to the AMF, and the AMF sends the terminal strategy to the terminal.

In the above embodiment, when the first communication device is an AMF, the terminal policy corresponding to the DNAI may be obtained by the third communication device, for example, the PCF, so as to implement updating of the terminal policy.

In an embodiment, as shown in fig. 5, in the case where the first communication device is a PCF, step 102 may be implemented by:

the first communication equipment determines a terminal strategy corresponding to the DNAI according to the first indication information;

step 103 may be implemented as follows:

and the first communication equipment sends the terminal strategy corresponding to the DNAI to the terminal through the fourth communication equipment.

Specifically, as shown in fig. 5, the second communication device may be an SMF, and the PCF subscribes to an event of the SMF, that is: event of DNAI change. PCF triggers: nsmf_eventExponsure_subscore to SMF, subscribe to changes in DNAI.

The SMF sends the first indication information by using the signaling Nsmf_EventExposure_Notify, and notifies the PCF of DNAI after the terminal position change.

And the PCF determines the terminal strategy corresponding to the DNAI according to the first indication information. If the stored terminal policy is obtained from the UDR, the terminal policy corresponding to the DNAI is selected from the obtained terminal policies, and is sent to the terminal through a fourth communication device (for example, AMF), for example, through a downlink NAS message.

Optionally, the downlink NAS message includes:

registration accept Registration Accept message.

In the above embodiment, when the first communication device is the PCF, the terminal policy corresponding to the DNAI is directly determined by the PCF, so as to implement updating of the terminal policy.

In an embodiment, when the terminal is in a roaming scenario, the first communication device is a first communication device in a roaming place where the terminal is located, and the second communication device is a second communication device in the roaming place.

The method comprises the following steps:

the method comprises the steps that first communication equipment in a roaming place receives first indication information sent by second communication equipment in the roaming place, wherein the first indication information is used for indicating a data network access identifier DNAI corresponding to the current position of a terminal;

the first communication equipment in the roaming place acquires a terminal strategy corresponding to DNAI according to the first indication information;

and the first communication equipment in the roaming place sends the terminal strategy corresponding to the DNAI to the terminal.

In particular, the first communication device of the roaming site is, for example, an AMF or a V-PCF, and the second communication device of the roaming site is, for example, a V-SMF.

In a scenario where the first communication device in the roaming area is an AMF (similar to the scenario shown in fig. 4, the SMF and PCF in fig. 4 may be directly replaced by a V-SMF or a V-PCF), the AMF in the roaming area subscribes to a DNAI change event of the SMF in the roaming area (i.e., the V-SMF), and after receiving the first indication information sent by the V-SMF, the AMF in the roaming area obtains a terminal policy corresponding to the DNAI according to the first indication information, and specifically, the AMF in the roaming area may send a first request message to a third communication device (e.g., the V-PCF) according to the first indication information, to request to obtain the terminal policy corresponding to the DNAI; i.e. the AMF of the roaming place informs the V-PCF that determines the terminal policy corresponding to the DNAI, e.g. the V-PCF formulates a new urs and sends it to the terminal via the AMF of the roaming place.

In the scenario that the first communication device in the roaming area is a V-PCF (similar to the scenario shown in fig. 4, the SMF in fig. 5 may be directly replaced by a V-SMF or a V-PCF), the V-PCF subscribes to a DNAI change event of the V-SMF, and after receiving the first indication information sent by the V-SMF, the V-PCF obtains a terminal policy corresponding to the DNAI according to the first indication information, which may specifically be determining the terminal policy corresponding to the DNAI; for example, the V-PCF formulates a new urs and sends it to the terminal via the roaming AMF.

In the above embodiment, in the roaming scenario, the first communication device may be a first communication device where the terminal is located in a roaming place, and the second communication device is a second communication device where the terminal is located in the roaming place, through interaction between the first communication device and the second communication device, DNAI corresponding to the current location where the terminal is located is obtained, and update of the terminal policy is implemented, that is, for the terminal in different locations or areas, the network side device may dynamically allocate the corresponding terminal policy to the terminal, so that service experience of the terminal is better.

In another embodiment, when the terminal is in a roaming scenario and the first communication device is a PCF of a roaming location where the terminal is located, the first communication device sends a second request message to the PCF of the home location of the terminal according to the first indication information, where the second request message is used for requesting to obtain a terminal policy corresponding to the DNAI; or alternatively, the first and second heat exchangers may be,

And under the condition that the terminal is in a roaming scene and the first communication equipment is an AMF of a roaming place where the terminal is located, the first communication equipment sends a second request message to the PCF of the roaming place according to the first indication information, wherein the second request message is used for requesting to acquire a terminal policy corresponding to DNAI, and the terminal policy corresponding to DNAI is acquired by the PCF of the roaming place through the PCF of the terminal belonging to the roaming place.

Specifically, as shown in fig. 6, in the case where the first communication device is a PCF of a roaming place where the terminal is located, the V-PCF subscribes to a change event of DNAI of the V-SMF. The change event of the DNAI indicates that the DNAI corresponding to the terminal changes.

The V-SMF informs the terminal that the current position moves to the area corresponding to the new DNAI, and the V-SMF informs the V-PCF of the new DNAI (roaming place); then, the V-PCF sends a second request message to the PCF of the terminal home location, i.e., the H-PCF, for notifying the H-PCF of a new DNAI, where the H-PCF is configured to Update the terminal policy of the terminal, i.e., update the terminal policy corresponding to the DNAI, and optionally, the second request message may be sent through a signaling npcf_uepolicy control_update request, where the signaling includes the DNAI.

When the H-PCF receives the second request message, a Response message may be sent to the V-PCF, for example, by signaling npcf_uepolicy control_update Response, indicating that the H-PCF received the policy Update request. The H-PCF then determines the terminal policy corresponding to DNAI and issues the terminal policy to the V-PCF, for example, by signaling Npcf_PolicyControl_UpdateNotify, where the message contains the new terminal policy under DNAI. Alternatively, the V-PCF may send a response message to the H-PCF, e.g., by signaling npcf_uepolicy control_ UpdateNotify Response, indicating that the terminal policy under the new DNAI has been received.

The V-PCF sends the corresponding terminal policy to the terminal through the AMF of the roaming place.

In case the first communication device is an AMF of a roaming place where the terminal is located, the AMF of the roaming place subscribes to a change event of DNAI of the V-SMF.

The V-SMF informs the AMF of the roaming place of the new DNAI (roaming place) when the current position of the terminal moves to the area corresponding to the new DNAI; then, the AMF of the roaming location sends a second request message to the V-PCF, and the V-PCF sends the second request message to the PCF of the terminal location, i.e., the H-PCF, for notifying the H-PCF of the new DNAI, where the H-PCF is configured to Update the terminal policy of the terminal, i.e., update the terminal policy corresponding to the DNAI, and optionally, the second request message may be sent through signaling npcf_ue policy control_update request.

When the H-PCF receives the second request message, a Response message may be sent to the V-PCF, for example, by signaling Npcf_UEPolicyControl_update Response. The H-PCF determines the terminal policy corresponding to the DNAI and issues the terminal policy to the V-PCF, for example, by signaling npcf_uepolicy control_updatenotify, where the message includes the terminal policy under the new DNAI, and optionally, the V-PCF may send a response message to the H-PCF, for example, by signaling npcf_uepolicy control_ UpdateNotify Response.

In the above embodiment, in the roaming scenario, the first communication device may be an AMF or PCF of the roaming location where the terminal is located, the second communication device is a second communication device of the roaming location, through interaction between the first communication device and the second communication device, DNAI corresponding to the current location where the terminal is located is obtained, and terminal policies corresponding to the DNAI are obtained through PCF of the home location, so that updating of the terminal policies is implemented, that is, for the terminal, the network side device may dynamically allocate corresponding terminal policies to the terminal in different locations or areas, so that service experience of the terminal is better.

In one embodiment, as shown in fig. 7, the method further comprises:

104, the first communication equipment receives capability indication information sent by a terminal; the capability indication information is used for indicating that the terminal can process the data flow of the terminal application program by using the terminal strategy indicated by the network side equipment;

step 105, the first communication device obtains a terminal policy of the terminal according to the capability indication information, and/or the terminal policy corresponding to the at least one application program APP data stream of the terminal.

Optionally, the method may further include:

Step 106, the first communication device sends second indication information to the terminal, where the second indication information is used to indicate a terminal policy of the terminal and/or a terminal policy corresponding to each APP data stream of the terminal.

Specifically, as shown in fig. 7, the terminal sends capability indication information to the first communication device, and optionally, the capability indication information is carried by a terminal policy container (UE policy container) in an uplink NAS message sent by the terminal. Alternatively, the terminal may carry the capability indication information when sending the registration request through the uplink NAS message. The upstream NAS message includes at least one of: registration request Registration Request message.

The capability indication information may be, for example, capability indication information of the terminal, or capability indication information of one or some APP(s) of the terminal, which indicates that the terminal may force, according to an indication of the network side device, an APP data flow on the terminal to use a certain terminal policy (i.e. to use traffic descriptor under a certain terminal policy and RSD under a certain traffic descriptor). In this way, it can be ensured that, for a certain APP data stream or service stream on the terminal, the network side device designates a certain terminal policy or designates a certain PDU session to carry.

The first communication device obtains a terminal policy of the terminal according to the capability indication information, and/or, optionally, after obtaining the corresponding terminal policy, may send second indication information to the terminal, where the obtained terminal policy is carried by the second indication information, and/or, optionally, the second indication information is carried by a terminal policy container in the downlink NAS message, where the terminal policy is correspondingly executed by the at least one application APP data stream of the terminal.

The downlink NAS message includes: registration accept Registration Accept message.

Meanwhile, the first communication device indicates to the terminal that each APP of the at least one APP processes the data stream of each APP by using the corresponding terminal policy through the second indication information.

In an embodiment, as shown in fig. 8, in the case where the first communication device is an AMF, step 105 may be implemented as follows:

105a, the first communication device sends a third request message to the third communication device according to the capability indication information, where the third request message is used to request to obtain a terminal policy of the terminal and/or a terminal policy correspondingly executed for each APP data stream of the terminal;

Step 105b, the first communication device receives the terminal policy for the terminal sent by the third communication device, and/or the terminal policy correspondingly executed for each APP data stream of the terminal.

Specifically, as shown in fig. 9, the third communication device may be a PCF, where the terminal sends capability indication information to the AMF, to indicate that the data flow of the terminal application program may be processed according to the terminal policy indicated by the network side device;

the AMF requests the PCF to generate the terminal policy for the terminal, for example by sending a third request message via signaling npcf_ UEPolicyControl Create Request, which includes DNAI. The PCF replies to the response message, e.g., by Npcf UEPolicyControl Create Response signaling. The third request message sent by the AMF may carry capability indication information.

The PCF determines the terminal policy according to the third request message, optionally, the PCF obtains the terminal policy from the UDR (e.g. by sending nudr_dm_query signaling, obtaining terminal policy data and control information, the UDR may respond by means of the nudr_dm_response signaling). And the PCF sends the acquired terminal strategy to the AMF, and the PCF can send the acquired terminal strategy to the AMF through signaling Namf_communication_N1N2message Transfer and send the terminal strategy to the terminal through the AMF, and meanwhile, the PCF instructs each APP to process the data flow of each APP by using the corresponding terminal strategy in at least one APP, namely the AMF instructs each APP to process the data flow of each APP by using the corresponding terminal strategy in at least one APP through the second instruction information.

Optionally, after the APP data stream arrives, the characteristics of the APP data stream may be sent to a terminal or a terminal operating system OS, where the terminal or the terminal OS can ensure that the APP data stream is matched to a PDU session specified by a terminal policy corresponding to the APP data stream (the PDU session may be already established by the terminal or may be established by the terminal according to a terminal policy specified by the network side device) according to an instruction of the network side device.

After receiving the data stream of the APP, the terminal or the terminal OS selects a corresponding PDU session for carrying the data stream of the APP according to a certain terminal policy (RSD under the specified traffic descriptor) specified by the network side device.

The selected session parameters or session attributes of the PDU session are specified by the terminal policy indicated by the network side device, i.e. completely consistent with the PDU session parameters or attributes described under RSD of the terminal policy indicated by the network side device.

At this time, the terminal can only use the terminal policy specified by the network side device, can not select other terminal policies, and can not violate the indication and the requirement of the network side device.

For example, when the data stream of APP arrives at the terminal, application descriptor =app1, since PCF already tells the terminal, when application descriptor =app1, traffic descriptor under rule pre-concentration=2 must be used: application descriptor =app1 description, RSD of RSD precedence=1 under this traffic descriptor must be used. I.e. the lower icon yellow part, the terminal cannot at this point make a claim, selecting RSD pre=2, as shown in the first row of the second column in table 3.

If there is a PDU session currently, satisfying the parameters of the PDU session described in RSD, then the APP data stream can be carried through the PDU session; if the PDU session is not satisfied, the terminal may use the PDU session parameter in RSD preamble=1 to create a PDU session, and use the created PDU session to carry the data stream of the APP.

In another embodiment, as shown in fig. 9 and 10, in the case where the first communication device is a PCF, step 105 may be implemented by:

the first communication equipment determines a terminal strategy of the terminal and/or a terminal strategy correspondingly executed for each APP data stream of the terminal according to the capability indication information;

alternatively, step 106 may be implemented as follows:

the first communication device sends the second indication information to the terminal through a fourth communication device.

Specifically, the fourth communication device may be an AMF, where the terminal sends capability indication information to the PCF, where the capability indication information is used to indicate that a data stream of the terminal application program may be processed according to a terminal policy indicated by the network side device;

the PCF determines a terminal policy according to the capability indication information, optionally, the PCF obtains the terminal policy from the UDR, determines a terminal policy of the current terminal based on the terminal policy obtained from the UDR, and/or the terminal policy corresponding to the at least one APP data stream of the terminal. And the PCF sends the acquired terminal strategy to the AMF, and the PCF can send the acquired terminal strategy to the AMF through signaling Namf_communication_N1N2message Transfer and send the terminal strategy to the terminal through the AMF, and meanwhile, the PCF instructs each APP to process the data flow of each APP by using the corresponding terminal strategy in at least one APP, namely the AMF instructs each APP to process the data flow of each APP by using the corresponding terminal strategy in at least one APP through second instruction information.

In the embodiment, the terminal strategy indicated by the terminal network side equipment can be ensured, the APP data stream in the terminal is processed, and the implementation complexity of the terminal is low.

Fig. 11 is a second flowchart of a terminal policy update method according to an embodiment of the present application. As shown in fig. 11, the method provided in this embodiment includes:

step 201, under the condition that the position of the terminal changes, the terminal receives a terminal policy corresponding to a data network access identifier DNAI sent by the first communication device, where DNAI is DNAI corresponding to the current position of the terminal;

step 202, the terminal processes the data flow of the terminal based on the terminal strategy corresponding to the DNAI.

Optionally, the terminal processes the data flow of the terminal based on the terminal policy corresponding to the DNAI, including:

the terminal determines a PDU session corresponding to an application data stream of the terminal based on a terminal strategy corresponding to the DNAI; the PDU session is used to carry the application data stream of the terminal.

Optionally, the method further comprises:

the terminal sends capability indication information to the first communication equipment, wherein the capability indication information is used for indicating that the terminal can process a data stream of the terminal application program APP by using a terminal strategy indicated by network side equipment;

Optionally, the method further comprises:

the terminal receives second indication information sent by the first communication device, wherein the second indication information is used for indicating a terminal policy of the terminal and/or a terminal policy correspondingly executed for each APP data stream of the terminal.

Optionally, the method further comprises:

the terminal processes the data streams of each APP based on the terminal policy correspondingly executed for each APP data stream of the terminal.

Optionally, the terminal processes the data stream of each APP based on a terminal policy correspondingly executed for each APP data stream of the terminal, including:

for any APP, the terminal determines a target PDU session corresponding to a terminal policy executed correspondingly by the APP data stream, wherein the target PDU session is used for bearing the APP data stream; the parameters of the target PDU session are specified by the terminal policy correspondingly executed by the APP data stream. That is, the parameters of the target PDU session are matched with PDU session parameters in the terminal policy corresponding to the APP data stream.

Optionally, the determining, by the terminal, a target PDU session corresponding to a terminal policy executed correspondingly by the APP data stream includes:

If the target PDU session exists, the terminal takes the target PDU session as a PDU session corresponding to the data stream of the APP;

and if the target PDU session does not exist, the terminal establishes a PDU session corresponding to the APP data stream.

Optionally, the terminal policy includes: terminal routing strategy URSP;

and the parameters of the target PDU session are matched with PDU session parameters described by a routing descriptor RSD in the terminal strategy correspondingly executed by the APP data stream.

The specific implementation process and technical effects of the method of the present embodiment are similar to those of the first communication device side method embodiment, and specific reference may be made to the detailed description of the first communication device side method embodiment, which is not repeated herein.

Fig. 12 is a third flowchart of a terminal policy update method according to an embodiment of the present application. As shown in fig. 12, the method provided in this embodiment includes:

step 301, under the condition that the position of the terminal changes, the second communication device determines a data network access identifier DNAI corresponding to the terminal according to the current position of the terminal;

step 302, the second communication device sends first indication information to the first communication device, where the first indication information is used to indicate DNAI corresponding to the terminal.

Optionally, the second communication device receives a subscription request of the first communication device, where the subscription request is used to request to subscribe to a change event of DNAI corresponding to the terminal; the change event of the DNAI indicates that the DNAI corresponding to the terminal changes;

the first indication information is sent under the condition that a change event of DNAI corresponding to the terminal occurs.

Optionally, the terminal policy includes: terminal routing policy urs.

According to the terminal policy updating method provided by the embodiment of the application, the execution main body can be the terminal policy updating device. In the embodiment of the present application, a method for executing a terminal policy update by a terminal policy update device is taken as an example, and the terminal policy update device provided in the embodiment of the present application is described.

Fig. 13 is a schematic structural diagram of a terminal policy updating device according to an embodiment of the present application. As shown in fig. 13, the terminal policy updating device provided in this embodiment includes:

a receiving module 210, configured to receive first indication information sent by a second communication device, where the first indication information is used to indicate a data network access identifier DNAI corresponding to a current location where a terminal is located;

an obtaining module 220, configured to obtain a terminal policy corresponding to the DNAI according to the first indication information;

And a sending module 230, configured to send the terminal policy corresponding to the DNAI to the terminal.

Optionally, in the case that the first communication device is an AMF, the sending module 230 is further configured to:

according to the first indication information, a first request message is sent to the third communication equipment, wherein the first request message is used for requesting to acquire a terminal strategy corresponding to the DNAI;

the obtaining module 220 is specifically configured to:

and receiving the terminal strategy corresponding to the DNAI sent by the third communication equipment.

Optionally, in the case where the first communication device is a PCF, the obtaining module 220 is specifically configured to:

the first communication device determines a terminal strategy corresponding to the DNAI according to the first indication information;

the sending module 230 is specifically configured to:

and sending the terminal strategy corresponding to the DNAI to the terminal through fourth communication equipment.

Optionally, the sending module 230 is specifically configured to:

and sending the terminal strategy corresponding to the DNAI to the terminal through a downlink NAS message.

Optionally, in the roaming scenario of the terminal, the first communication device is a first communication device of a roaming place where the terminal is located, and the second communication device is a second communication device of the roaming place.

Optionally, the sending module 230 is specifically configured to:

when the terminal is in a roaming scene and the first communication equipment is a PCF of a roaming place where the terminal is located, sending a second request message to the PCF of the terminal attribution place according to the first indication information, wherein the second request message is used for requesting to acquire a terminal strategy corresponding to the DNAI;

the obtaining module 220 is specifically configured to:

receiving a terminal strategy corresponding to the DNAI sent by the PCF of the attribution; or alternatively, the first and second heat exchangers may be,

when the terminal is in a roaming scenario and the first communication device is an AMF of a roaming place where the terminal is located, the first communication device sends a second request message to a PCF of the roaming place according to the first indication information, where the second request message is used for requesting to obtain a terminal policy corresponding to the DNAI, where the terminal policy corresponding to the DNAI is obtained by the PCF of the roaming place through the PCF of the terminal home place;

the obtaining module 220 is specifically configured to:

and receiving the terminal strategy corresponding to the DNAI sent by the PCF of the roaming place.

Optionally, the receiving module 210 is further configured to:

receiving capability indication information sent by the terminal; the capability indication information is used for indicating that the terminal can process the data flow of the terminal application program by using the terminal strategy indicated by the network side equipment;

The obtaining module 220 is further configured to:

acquiring a terminal strategy of the terminal according to the capability indication information, and/or aiming at the terminal strategy correspondingly executed by at least one application program APP data flow of the terminal;

optionally, the sending module 230 is further configured to:

and sending second indication information to the terminal, wherein the second indication information is used for indicating a terminal strategy of the terminal and/or a terminal strategy correspondingly executed for each APP data stream of the terminal.

Optionally, in the case that the first communication device is an AMF, the sending module 230 is further configured to: according to the capability indication information, a third request message is sent to the third communication equipment, wherein the third request message is used for requesting to acquire a terminal strategy of the terminal and/or a terminal strategy correspondingly executed for each APP data stream of the terminal;

the obtaining module 220 is specifically configured to:

and receiving a terminal policy of the terminal sent by the third communication equipment and/or executing the terminal policy corresponding to each APP data stream of the terminal.

Determining a terminal strategy of the terminal and/or a terminal strategy correspondingly executed for each APP data flow of the terminal according to the capability indication information;

optionally, the sending module 230 is specifically configured to:

and sending the second indication information to the terminal through fourth communication equipment.

Optionally, the capability indication information is carried by a terminal policy container in an uplink NAS message sent by the terminal.

And the second indication information is carried by a terminal strategy container in the downlink NAS message.

Optionally, the method further comprises:

the processing module is used for subscribing the change event of the DNAI corresponding to the terminal to the second communication equipment; the change event of the DNAI indicates that the DNAI corresponding to the terminal changes;

the first indication information is received in case of occurrence of a change event of the DNAI.

Optionally, the terminal policy includes: terminal routing policy urs.

The apparatus of this embodiment may be used to execute the method of any one of the foregoing first communication device side method embodiments, and specific implementation processes and technical effects of the method are similar to those of the first communication device side method embodiment, and specific reference may be made to detailed description of the first communication device side method embodiment, which is not repeated herein.

Fig. 14 is a second schematic structural diagram of a terminal policy updating device according to an embodiment of the present application. As shown in fig. 14, the terminal policy updating device provided in this embodiment includes:

a receiving module 310, configured to receive a terminal policy corresponding to a data network access identifier DNAI sent by a first communication device, where the DNAI is a DNAI corresponding to a current location where the terminal is located, where the location of the terminal is changed;

and the processing module 320 is configured to process the data flow of the terminal based on the terminal policy corresponding to the DNAI.

Optionally, the processing module 320 is specifically configured to:

Optionally, the method further comprises:

the sending module is used for sending capability indication information to the first communication equipment, wherein the capability indication information is used for indicating that the terminal can process the data stream of the terminal application program APP by using a terminal strategy indicated by network side equipment;

optionally, the receiving module 310 is further configured to receive second indication information sent by the first communication device, where the second indication information is used to indicate a terminal policy of the terminal and/or a terminal policy corresponding to each APP data stream of the terminal.

Optionally, the processing module 320 is further configured to:

and processing the data streams of each APP based on the terminal strategy correspondingly executed for each APP data stream of the terminal.

Optionally, the processing module 320 is specifically configured to:

Optionally, the terminal policy includes: terminal routing strategy URSP;

The apparatus of the present embodiment may be used to execute the method of any one of the foregoing terminal side method embodiments, and specific implementation processes and technical effects of the apparatus are similar to those of the terminal side method embodiment, and specific details of the terminal side method embodiment may be referred to in the detailed description of the terminal side method embodiment and are not repeated herein.

Fig. 15 is a third schematic structural diagram of a terminal policy updating device according to an embodiment of the present application. As shown in fig. 15, the terminal policy updating device provided in this embodiment includes:

Optionally, the method further comprises:

the receiving module is used for receiving a subscription request of the first communication device, wherein the subscription request is used for requesting to subscribe a change event of DNAI corresponding to the terminal; the change event of the DNAI indicates that the DNAI corresponding to the terminal changes;

Optionally, the terminal policy includes: terminal routing policy urs.

The apparatus of this embodiment may be used to execute the method of any one of the foregoing second communication device side method embodiments, and the specific implementation process and technical effects of the method are similar to those of the second communication device side method embodiment, and specific reference may be made to the detailed description of the second communication device side method embodiment, which is not repeated herein.

The terminal policy updating device in the embodiment of the present application may be an electronic device, for example, an electronic device with an operating system, or may be a component in an electronic device, for example, an integrated circuit or a chip. The electronic device may be a terminal, or may be other devices than a terminal. By way of example, terminals may include, but are not limited to, the types of terminals 11 listed above, other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., and embodiments of the application are not specifically limited.

The terminal policy updating device provided in the embodiment of the present application can implement each process implemented by the embodiments of the methods of fig. 2 to 12, and achieve the same technical effects, so that repetition is avoided, and no further description is given here.

Optionally, as shown in fig. 16, the embodiment of the present application further provides a communication device 1500, including a processor 1501 and a memory 1502, where the memory 1502 stores a program or an instruction that can be executed on the processor 1501, for example, when the communication device 1500 is a terminal, the program or the instruction is executed by the processor 1501 to implement each step of the above embodiment of the terminal policy updating method, and the same technical effects can be achieved. When the communication device 1500 is a network side device, the program or the instruction, when executed by the processor 1501, implements the steps of the above embodiment of the method for updating a terminal policy, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.

The embodiment of the application also provides a terminal, which comprises a processor and a communication interface, wherein the communication interface is used for receiving a terminal strategy corresponding to a data network access identifier DNAI sent by first communication equipment under the condition that the position of the terminal is changed, and the DNAI is DNAI corresponding to the current position of the terminal; the processor is used for processing the data flow of the terminal based on the terminal strategy corresponding to the DNAI. The terminal embodiment corresponds to the terminal-side method embodiment, and each implementation process and implementation manner of the method embodiment can be applied to the terminal embodiment, and the same technical effects can be achieved. Specifically, fig. 17 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.

The terminal 1000 includes, but is not limited to: at least some of the components of the radio frequency unit 1001, the network module 1002, the audio output unit 1003, the input unit 1004, the sensor 1005, the display unit 1006, the user input unit 1007, the interface unit 1008, the memory 1009, and the processor 1010, etc.

Those skilled in the art will appreciate that terminal 1000 can also include a power source (e.g., a battery) for powering the various components, which can be logically connected to processor 1010 by a power management system so as to perform functions such as managing charge, discharge, and power consumption by the power management system. The terminal structure shown in fig. 17 does not constitute a limitation of the terminal, and the terminal may include more or less components than shown, or may combine some components, or may be arranged in different components, which will not be described in detail herein.

It should be understood that in the embodiment of the present application, the input unit 1004 may include a graphics processing unit (Graphics Processing Unit, GPU) 10041 and a microphone 10042, and the graphics processor 10041 processes image data of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1007 includes at least one of a touch panel 10071 and other input devices 10072. The touch panel 10071 is also referred to as a touch screen. The touch panel 10071 can include two portions, a touch detection device and a touch controller. Other input devices 10072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and so forth, which are not described in detail herein.

In this embodiment, after receiving downlink data from the network side device, the radio frequency unit 1001 may transmit the downlink data to the processor 1010 for processing; in addition, the radio frequency unit 1001 may send uplink data to the network side device. In general, the radio frequency unit 1001 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.

The memory 1009 may be used to store software programs or instructions and various data. The memory 1009 may mainly include a first storage area storing programs or instructions, which may store an operating system, application programs or instructions (such as a sound playing function, an image playing function, etc.) required for at least one function, and a second storage area storing data. Further, the memory 1009 may include volatile memory or nonvolatile memory, or the memory 1009 may include both volatile and nonvolatile memory. Including high-speed random access Memory, and may also include non-volatile Memory, where the non-volatile Memory may be Read-Only Memory (ROM), programmable ROM (PROM), erasable Programmable ROM (EPROM), electrically Erasable Programmable EPROM (EEPROM), or flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM), static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (ddr SDRAM), enhanced SDRAM (Enhanced SDRAM), synchronous DRAM (SLDRAM), and Direct RAM (DRRAM). The memory 1009 in embodiments of the present application includes, but is not limited to, these and any other suitable types of memory such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device.

The processor 1010 may include one or more processing units; alternatively, the processor 1010 may integrate an application processor that primarily processes operations involving an operating system, a user interface, and applications or instructions, and a modem processor that primarily processes wireless communication signals, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into the processor 1010.

The radio frequency unit 1001 is configured to receive a terminal policy corresponding to a data network access identifier DNAI sent by a first communication device, where the DNAI is a DNAI corresponding to a current location where the terminal is located, where the location of the terminal is changed;

and a processor 1010, configured to process a data flow of the terminal based on a terminal policy corresponding to the DNAI.

In the above embodiment, when the location of the terminal changes, the first communication device receives first indication information sent by the second communication device, where the first indication information is used to indicate a data network access identifier DNAI corresponding to the current location of the terminal; the first communication equipment acquires a terminal strategy corresponding to DNAI according to the first indication information; the first communication equipment sends the terminal strategy corresponding to the DNAI to the terminal, the terminal can process the APP data stream of the terminal based on the terminal strategy corresponding to the DNAI, and for the terminal in different positions or areas, the network side equipment can dynamically allocate the corresponding terminal strategy to the terminal, so that the flexibility is high, and the service experience and quality of the terminal are better.

Optionally, the processor 1010 is specifically configured to:

Optionally, the radio frequency unit 1001 is further configured to send capability indication information to the first communications device, where the capability indication information is used to indicate that the terminal can process a data stream of the terminal application APP using a terminal policy indicated by a network side device;

optionally, the radio frequency unit 1001 is further configured to receive second indication information sent by the first communication device, where the second indication information is used to indicate a terminal policy of the terminal and/or a terminal policy corresponding to each APP data stream of the terminal.

Optionally, the processor 1010 is further configured to:

Optionally, the processor 1010 is specifically configured to:

Optionally, the terminal policy includes: terminal routing strategy URSP;

The embodiment of the application also provides first communication equipment, which comprises a processor and a communication interface, wherein the communication interface is used for receiving first indication information sent by second communication equipment, and the first indication information is used for indicating a data network access identifier DNAI corresponding to the current position of the terminal; sending a terminal strategy corresponding to the DNAI to the terminal; the processor is configured to obtain, according to the first indication information, a terminal policy corresponding to the DNAI. The first communication device embodiment corresponds to the first communication device method embodiment, and each implementation process and implementation manner of the method embodiment are applicable to the first communication device embodiment, and the same technical effects can be achieved.

The embodiment of the application also provides second communication equipment, which comprises a processor and a communication interface, wherein the processor is used for determining a data network access identifier DNAI corresponding to a terminal according to the current position of the terminal when the position of the terminal changes; the communication interface is configured to send first indication information to the first communication device, where the first indication information is used to indicate DNAI corresponding to the terminal. The second communication device embodiment corresponds to the second communication device method embodiment, and each implementation process and implementation manner of the method embodiment can be applied to the second communication device embodiment, and the same technical effects can be achieved.

Specifically, the embodiment of the application also provides network side equipment. As shown in fig. 18, the network side device 700 includes: a processor 701, a network interface 702, and a memory 703. The network interface 702 is, for example, a common public radio interface (common public radio interface, CPRI).

Specifically, the network side device 700 of the embodiment of the present application further includes: instructions or programs stored in the memory 703 and executable on the processor 701, the processor 701 invokes the instructions or programs in the memory 703 to perform the methods performed by the modules shown in fig. 13 or 15, and achieve the same technical effects, and are not described herein in detail for the sake of avoiding repetition.

The first communication device and the second communication device can be realized through the network side device embodiment.

The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the processes of the embodiment of the terminal policy updating method are implemented, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.

Wherein the processor is a processor in the terminal described in the above embodiment. The readable storage medium includes computer readable storage medium such as computer readable memory ROM, random access memory RAM, magnetic or optical disk, etc.

The embodiment of the application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is configured to run a program or an instruction, implement each process of the terminal policy updating method embodiment, and achieve the same technical effect, so that repetition is avoided, and no further description is provided here.

It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, or the like.

The embodiments of the present application further provide a computer program/program product, where the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement each process of the embodiments of the terminal policy updating method, and the same technical effects can be achieved, so that repetition is avoided, and details are not repeated herein.

The embodiment of the application also provides a communication system, which comprises: a terminal, a first communication device and a second communication device, the terminal being operable to perform the steps of the terminal policy update method as described above, the first communication device and the second communication device being operable to perform the steps of the terminal policy update method as described above.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solutions of the present application may be embodied essentially or in a part contributing to the prior art in the form of a computer software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), comprising several instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method described in the embodiments of the present application.

The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. A terminal policy updating method, comprising:

the first communication equipment acquires a terminal strategy corresponding to DNAI according to the first indication information;

2. The terminal policy updating method according to claim 1, wherein, in the case where the first communication device is an AMF, the first communication device obtains, according to the first indication information, a terminal policy corresponding to the DNAI, including:

the first communication device sends a first request message to third communication device according to the first indication information, wherein the first request message is used for requesting to acquire a terminal strategy corresponding to the DNAI;

and the first communication equipment receives the terminal strategy corresponding to the DNAI sent by the third communication equipment.

3. The terminal policy updating method according to claim 1, wherein, in the case where the first communication device is a PCF, the first communication device obtains, according to the first indication information, a terminal policy corresponding to the DNAI, including:

the first communication device sends a terminal policy corresponding to the DNAI to the terminal, including:

and the first communication equipment sends the terminal strategy corresponding to the DNAI to the terminal through fourth communication equipment.

4. A terminal policy updating method according to any of claims 1-3, wherein said first communication device sending a terminal policy corresponding to said DNAI to said terminal, comprising:

and the first communication equipment sends the terminal strategy corresponding to the DNAI to the terminal through a downlink NAS message.

5. A terminal policy updating method according to any of the claims 1-3, characterized in that,

and when the terminal is in a roaming scene, the first communication equipment is the first communication equipment of the roaming place where the terminal is located, and the second communication equipment is the second communication equipment of the roaming place.

6. The terminal policy updating method according to any one of claims 1-3, wherein the first communication device obtains, according to the first indication information, a terminal policy corresponding to the DNAI, including:

When the terminal is in a roaming scene and the first communication equipment is a PCF of a roaming place where the terminal is located, the first communication equipment sends a second request message to the PCF of the terminal attribution place according to the first indication information, wherein the second request message is used for requesting to acquire a terminal strategy corresponding to the DNAI;

the first communication equipment receives a terminal strategy corresponding to the DNAI sent by the PCF of the home location; or alternatively, the first and second heat exchangers may be,

and the first communication equipment receives the terminal strategy corresponding to the DNAI sent by the PCF of the roaming place.

7. A terminal policy updating method according to any of claims 1-3, characterized in that said method further comprises:

the first communication equipment receives capability indication information sent by the terminal; the capability indication information is used for indicating that the terminal can process the data flow of the terminal application program by using the terminal strategy indicated by the network side equipment;

The first communication device obtains a terminal policy of the terminal according to the capability indication information, and/or a terminal policy corresponding to at least one application program APP data flow of the terminal.

8. The terminal policy updating method according to claim 7, wherein said method further comprises:

the first communication device sends second indication information to the terminal, wherein the second indication information is used for indicating a terminal policy of the terminal and/or a terminal policy correspondingly executed for each APP data stream of the terminal.

9. The terminal policy updating method according to claim 7 or 8, wherein the first communication device obtains a terminal policy of the terminal according to the capability indication information, and/or the terminal policy corresponding to the at least one application APP data stream of the terminal is executed, including:

when the first communication device is an AMF, the first communication device sends a third request message to a third communication device according to the capability indication information, where the third request message is used to request to obtain a terminal policy of the terminal and/or a terminal policy executed corresponding to each APP data stream of the terminal;

The first communication device receives the terminal policy of the terminal sent by the third communication device and/or the terminal policy correspondingly executed for each APP data stream of the terminal.

10. The terminal policy updating method according to claim 7 or 8, wherein the first communication device obtains a terminal policy of the terminal according to the capability indication information, and/or the terminal policy corresponding to the at least one application APP data stream of the terminal is executed, including:

and under the condition that the first communication equipment is PCF, the first communication equipment determines the terminal strategy of the terminal and/or the terminal strategy correspondingly executed for each APP data flow of the terminal according to the capability indication information.

11. The terminal policy updating method according to claim 8, wherein in the case where said first communication device is a PCF, said first communication device sends second indication information to said terminal, comprising:

12. The terminal policy updating method of claim 8, wherein,

The capability indication information is carried by a terminal strategy container in an uplink NAS message sent by the terminal;

the second indication information is carried by a terminal policy container in the downlink NAS message.

13. A terminal policy updating method according to any of claims 1-3, characterized in that said method further comprises:

the first communication device subscribes a change event of DNAI corresponding to the terminal to the second communication device; the change event of the DNAI indicates that the DNAI corresponding to the terminal changes;

14. A terminal policy updating method according to any of the claims 1-3, characterized in that,

the terminal policy includes: terminal routing policy urs.

15. A terminal policy updating method, comprising:

16. The terminal policy updating method according to claim 15, wherein the terminal processes the data flow of the terminal based on the terminal policy corresponding to the DNAI, including:

17. The terminal policy updating method according to claim 15 or 16, wherein said method further comprises:

the terminal sends capability indication information to the first communication device, wherein the capability indication information is used for indicating that the terminal can process a data stream of the terminal application program APP by using a terminal strategy indicated by network side equipment.

18. The terminal policy updating method according to claim 17, wherein said method further comprises:

19. The terminal policy updating method according to claim 18, wherein said method further comprises:

20. The terminal policy updating method according to claim 19, wherein said processing by said terminal of each of said APP data streams based on a terminal policy correspondingly executed for each of said APP data streams of said terminal, comprises:

for any APP, the terminal determines a target PDU session corresponding to a terminal policy executed correspondingly by the APP data stream, wherein the target PDU session is used for bearing the APP data stream; the parameters of the target PDU session are specified by the terminal policy correspondingly executed by the APP data stream.

21. The method for updating the terminal policy according to claim 20, wherein said determining, by the terminal, the target PDU session corresponding to the terminal policy executed correspondingly by the APP data flow comprises:

if the target PDU session exists, the terminal takes the target PDU session as the PDU session corresponding to the APP data stream;

22. The terminal policy updating method according to claim 20 or 21, wherein,

The terminal policy includes: terminal routing strategy URSP;

23. A terminal policy updating method, comprising:

24. The terminal policy updating method according to claim 23, wherein said method further comprises:

the second communication device receives a subscription request of the first communication device, wherein the subscription request is used for requesting to subscribe a change event of DNAI corresponding to the terminal; the change event of the DNAI indicates that the DNAI corresponding to the terminal changes;

25. The terminal policy updating method according to claim 23 or 24, wherein,

The terminal policy includes: terminal routing policy urs.

26. A terminal policy updating apparatus, comprising:

27. A terminal policy updating apparatus, comprising:

28. A terminal policy updating apparatus, comprising:

29. A first communication device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the terminal policy updating method of any of claims 1 to 14.

30. A terminal comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the terminal policy updating method of any of claims 15 to 22.

31. A second communication device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the terminal policy updating method of any of claims 23 to 25.

32. A readable storage medium, characterized in that the readable storage medium has stored thereon a program or instructions which, when executed by a processor, implements the terminal policy updating method according to any of claims 1-14, implements the terminal policy updating method according to any of claims 15-22, or implements the steps of the terminal policy updating method according to any of claims 23-25.