CN108632887A

CN108632887A - A kind of method and system of controlling transmission rate

Info

Publication number: CN108632887A
Application number: CN201710178633.5A
Authority: CN
Inventors: 王晓燕
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2017-03-23
Filing date: 2017-03-23
Publication date: 2018-10-09
Anticipated expiration: 2037-03-23
Also published as: CN108632887B

Abstract

This application provides a kind of method and system of controlling transmission rate, this method includes：First policy control functions PCF obtains the first user equipment Aggregate Maximum Bit Rate UE AMBR of user equipment (UE)；First PCF obtains the corresponding first session Aggregate Maximum Bit Rate Session AMBR set of Packet Data Unit PDU connections on the UE, the corresponding activation Session AMBR of each PDU connections that each Session AMBR in the first Session AMBR set are the UE；First PCF determines that the 2nd UE AMRB, the 2nd UE AMRB are used to control the transmission rate of the UE according to the first UE AMBR and the first Session AMBR set.The embodiment of the present application can realize the message transmission rate of control UE in 5G systems, to improve the efficiency of system data transmission.

Description

A kind of method and system of controlling transmission rate

Technical field

This application involves the communications fields, and more particularly, to the method and system of controlling transmission rate.

Background technology

Evolved packet system (Evolved Packet System, EPS) introduces user equipment Aggregate Maximum Bit Rate (User Equipment Aggregated Maximum Bit Rate, UE-AMBR), UE-AMBR refers to user equipment (User Equipment, UE) aggregate maximum bit rate, for limit UE non-guarantee Business Stream data rate.For example, some UE UE-AMBR be 2Mbps, be 1Mbps to the Data safeguard rate of video traffic, i.e., when UE initiates video traffic and other non- When guarantee business, then to the data rate limit of non-guarantee business on UE no more than 2Mbps, while the number of video traffic is ensured It is 1Mbps according to rate.

In 5G systems, conversation management functional (Session Management Function, SMF) is responsible for session management, It accesses mobile management function to ps domain (Access and Mobility Management Function, AMF) and is responsible for access and movement Property management, due to AMF can not perceptual grouping data cell (packet data unit, PDU) session, i.e. None- identified session Aggregate Maximum Bit Rate (Session Aggregated Maximum Bit Rate, Session-AMBR), and then can not be true Determine UE-AMBR, is unable to control the transmission rate of UE in 5G systems in this way.It would therefore be highly desirable to which one kind can control in 5G systems The method of the transmission rate of UE.

Invention content

The application provides a kind of method and system of controlling transmission rate, can control the message transmission rate of UE, improves The efficiency of system data transmission.

In a first aspect, a kind of method of controlling transmission rate is provided, including：First policy control functions PCF, which is obtained, to be used First user equipment Aggregate Maximum Bit Rate UE-AMBR of family equipment UE；First PCF obtains the first session and polymerize high specific Special rate Session-AMBR set, the first Session-AMBR set include all Packet Data Units that the UE is supported The corresponding activation Session-AMBR of PDU connections；First PCF is according to the first UE-AMBR and the first Session-AMBR Set determines that the 2nd UE-AMRB, the 2nd UE-AMRB are used to control the transmission rate of the UE.

The first UE-AMBR that first PCF obtains UE connects corresponding activation Session- with all PDU including the UE The first Session-AMBR of AMBR gathers, and determines the according to the first UE-AMBR and the first Session-AMBR set Two UE-AMRB, such first PCF can be according to the first UE-AMBR and current all Session- for being in advance UE configurations AMBR determines the 2nd UE-AMBR, and the 2nd UE-AMBR is sent to RAN, and then is limited according to the 2nd UE-AMBR by RAN The message transmission rate of UE processed, to improve the efficiency of system data transmission.

In one possible implementation, this method further includes：First PCF sends to customer data base UDR and subscribes to Message, when the Session-AMBR which is used to indicate in the first Session-AMBR set of the UDR changes Notify the first PCF；Wherein, the first Session-AMBR of the first PCF acquisitions set includes：First PCF receives UDR hairs The subscribing notification message sent, the subscribing notification message carry the first Session-AMBR set.

First PCF can send to UDR and subscribe to request, and UDR, just can be in some PDU after the first PCF sends and subscribes to request Activation Session-AMBR notify the first PCF when changing, save the power consumption of UDR.

In one possible implementation, the first Session-AMBR of the first PCF acquisitions set includes：2nd PCF Strategy request information is received, which is used to ask the policy information of the first PDU connections；2nd PCF is according to this Strategy request information obtains the Session-AMBR set of the first PDU connections signing, the signing from customer data base UDR Session-AMBR set include the corresponding at least one Session-AMBR of the first PDU connections；2nd PCF is determined should The corresponding first activation Session-AMBR of first PDU connections in the Session-AMBR set of signing；2nd PCF to this UDR sends first activation Session-AMBR；First PCF receives the first Session-AMBR set from the UDR, should First Session-AMBR set is to update the 2nd Session-AMBR collection according to first activation Session-AMBR by the UDR Symphysis at, the 2nd Session-AMBR set in each Session-AMBR be receive this first activation Session- The corresponding activation Session-AMBR of each PDU connections of the UE before AMBR.

When activation Session-AMBR in the 2nd Session-AMBR set changes, sent more to the 2nd PCF The first Session-AMBR set after new so that the 2nd PCF can obtain new data in time, and UE is controlled according to new data Message transmission rate, further improve data transmission efficiency.

In one possible implementation, the first Session-AMBR of the first PCF acquisitions set includes：2nd PCF Strategy request information is received, which is used to ask the policy information of the first PDU connections；2nd PCF is according to this Strategy request information obtains the Session-AMBR set of the signing of the first PDU connections from UDR, the signing Session-AMBR set includes the corresponding at least one Session-AMBR of the first PDU connections；2nd PCF determines the label The corresponding first activation Session-AMBR of first PDU connections in Session-AMBR set about；First PCF is received should First activation Session-AMBR that 2nd PCF is sent；First PCF passes through the first activation Session-AMBR updates the Two Session-AMBR set generates each of the first Session-AMBR set, the 2nd Session-AMBR set Session-AMBR is the corresponding activation of each PDU connections of the UE before receiving first activation Session-AMBR Session-AMBR。

When 2nd PCF obtains new activation Session-AMBR, it is sent to the first PCF so that the first PCF can be obtained in time Data newly are obtained, and control the message transmission rate of UE according to new data, further improve data transmission efficiency.

In one possible implementation, this method further includes：First PCF receives the context session that AMF is sent Request is established, which establishes the mark that request carries the UE；Wherein, the first PCF obtains the first UE-AMBR of UE Including：First PCF obtains the first UE-AMBR according to the mark of the UE from the UDR.

The first UE-AMBR is obtained according to the mark of UE, improves the acquisition efficiency for the first UE-AMBR for obtaining UE.

In one possible implementation, the first PCF is according to the first UE-AMBR and the first Session-AMBR Set, determines the 2nd UE-AMBR, including：First PCF according to the first Session-AMBR set determine this first The Session-AMBR summing values of Session-AMBR set；First PCF is by the first UE-AMBR and the first Session- The minimum value of the Session-AMBR summing values of AMBR set is determined as the 2nd UE-AMBR.

First PCF first determines the summing value of the Session-AMBR activated in the first Session-AMBR set, will sum Value and the minimum value of the first UE-AMBR are determined as the 2nd UE-AMBR, and the transmission rate of UE is limited by the 2nd UE-AMBR, improve The efficiency of system data transmission.

Second aspect provides a kind of method of controlling transmission rate, including：Mobile management function to ps domain AMF is accessed to obtain First user equipment Aggregate Maximum Bit Rate UE-AMBR of user equipment (UE)；The AMF receives the first meeting that the first PCF is sent Talk about the Session-AMBR summing values of Aggregate Maximum Bit Rate Session-AMBR set, the first Session-AMBR set In each Session-AMBR be the UE the corresponding activation Session-AMBR of each PDU connections；The AMF according to this first The Session-AMBR summing values of UE-AMBR and the first Session-AMBR set, determine the 2nd UE-AMRB；The AMF is to nothing Line access point RAN sends the 2nd UE-AMBR.

The first UE-AMBR and all PDU including the UE that AMF obtains UE connect corresponding activation Session-AMBR's The Session-AMBR summing values of first Session-AMBR set, and according to the first UE-AMBR and the Session-AMBR Summing value determines the 2nd UE-AMRB, and such AMF can be according to being in advance the first UE-AMBR of UE configurations and current all Session-AMBR determines the 2nd UE-AMBR, and the 2nd UE-AMBR is sent to RAN, so by RAN according to this second UE-AMBR limits the message transmission rate of UE, to improve the efficiency of system data transmission.

In one possible implementation, the AMF receive the first PCF transmission the Session-AMBR summing values it Before, this method further includes：2nd PCF receives strategy request information, which is used to ask the plan of the first PDU connections Slightly information；2nd PCF obtains the first PDU connections signing according to the strategy request information from customer data base UDR Session-AMBR gathers, and the Session-AMBR set of the signing includes that the first PDU connections are corresponding at least one Session-AMBR；2nd PCF determines in the Session-AMBR set of the signing that the first PDU connections are corresponding first sharp Session-AMBR living；2nd PCF sends first activation Session-AMBR to the UDR；First PCF is received to come from and is somebody's turn to do The first Session-AMBR of UDR gathers, and the first Session-AMBR set is by the UDR according to first activation Session-AMBR updates what the 2nd Session-AMBR set generated, each of the 2nd Session-AMBR set Session-AMBR is the corresponding activation of each PDU connections of the UE before receiving first activation Session-AMBR Session-AMBR, and gather the summing value for the Session-AMBR for determining UE activation according to the first Session-AMBR.

The Session-AMBR summing values that the first Session-AMBR set is determined by the first PCF, reduce other nets The power consumption of member.

In one possible implementation, the AMF receive the first PCF transmission the Session-AMBR summing values it Before, this method further includes：2nd PCF receives strategy request information, which is used to ask the plan of the first PDU connections Slightly information；2nd PCF obtains the signing of the first PDU connections according to the strategy request information from customer data base UDR Session-AMBR gathers, and the Session-AMBR set of the signing includes that the first PDU connections are corresponding at least one Session-AMBR；2nd PCF determines in the Session-AMBR set of the signing that the first PDU connections are corresponding first sharp Session-AMBR living；First PCF receives first activation Session-AMBR of the 2nd PCF transmissions；First PCF is logical It crosses first activation Session-AMBR and updates the 2nd Session-AMBR set generation the first Session-AMBR set, it should Each Session-AMBR in 2nd Session-AMBR set is should before receiving first activation Session-AMBR The corresponding activation Session-AMBR of each PDU connections of UE；First PCF gathers according to the first Session-AMBR to be determined The Session-AMBR summing values of first Session-AMBR set.

First PCF stores the 2nd Session-AMBR set, and the first PCF is then forwarded to after need not being updated by UDR, saves Flow has been saved, system power dissipation is reduced.

The third aspect, provides a kind of system of controlling transmission rate, which includes for executing first aspect or The module of method in the arbitrary possible realization method of one side.

Fourth aspect, provides a kind of system of controlling transmission rate, which includes for executing second aspect or The module of method in the arbitrary possible realization method of two aspects.

5th aspect, provides a kind of PCF, which includes the arbitrary possibility for executing first aspect or first aspect Realization method in method module.

6th aspect, provides a kind of AMF, which includes the arbitrary possibility for executing second aspect or second aspect Realization method in method module.

7th aspect, provides a kind of system of controlling transmission rate, which includes that processor, memory and communication connect Mouthful.Processor is connect with memory and communication interface.For storing instruction, processor communicates memory for executing the instruction Interface with other network elements for being communicated under the control of a processor.When the processor executes the instruction of memory storage, The execution makes the processor execute the method in the arbitrary possible realization method of first aspect or first aspect.

Eighth aspect, provides a kind of system of controlling transmission rate, which includes that processor, memory and communication connect Mouthful.Processor is connect with memory and communication interface.For storing instruction, processor communicates memory for executing the instruction Interface with other network elements for being communicated under the control of a processor.When the processor executes the instruction of memory storage, The execution makes the processor execute the method in the arbitrary possible realization method of second aspect or second aspect.

9th aspect, provides a kind of computer storage media, and have program stored therein code in the computer storage media, should Program code is used to indicate the finger of the method in any possible realization method for executing above-mentioned first aspect or first aspect It enables.

Tenth aspect, provides a kind of computer storage media, and have program stored therein code in the computer storage media, should Program code is used to indicate the finger of the method in any possible realization method for executing above-mentioned second aspect or second aspect It enables.

Based on the above-mentioned technical proposal, connected by the first UE-AMBR of the first PCF acquisitions UE and all PDU including the UE Connect it is corresponding activation Session-AMBR the first Session-AMBR set, and according to the first UE-AMBR and this first Session-AMBR set determines that the 2nd UE-AMRB, such first PCF can be according to the first UE-AMBR configured in advance for UE And current all Session-AMBR determine the 2nd UE-AMBR, and then the data transmission speed of UE is limited by the 2nd UE-AMBR Rate, to improve the efficiency of system data transmission..

Description of the drawings

Fig. 1 is a kind of schematic diagram of the system of controlling transmission rate provided by the embodiments of the present application；

Fig. 2 is the configuration diagram of 5G systems；

Fig. 3 is the schematic diagram of the system of controlling transmission rate provided by the embodiments of the present application；

Fig. 4 is the schematic flow chart of the method for the controlling transmission rate of the application one embodiment；

Fig. 5 is the schematic flow chart of the method for the controlling transmission rate of the application another embodiment；

Fig. 6 is the schematic flow chart of the method for the controlling transmission rate of the application another embodiment；

Fig. 7 is the schematic flow chart of the method for the controlling transmission rate of the application another embodiment；

Fig. 8 is the schematic block diagram of the PCF of the application another embodiment；

Fig. 9 is the schematic block diagram of the AMF of the application another embodiment.

Specific implementation mode

Below in conjunction with attached drawing, the technical solution in the application is described.

The technical solution of each embodiment of the present invention can be applied to various communication systems according to access standard to divide, Such as：Global system for mobile communications (Global System of Mobile communication, GSM), CDMA (Code Division Multiple Access, CDMA) system, wideband code division multiple access (Wideband Code Division Multiple Access Wireless, WCDMA), General Packet Radio Service (General Packet Radio Service, GPRS), long term evolution (Long Term Evolution, LTE), LTE frequency division duplex (Frequency Division Duplex, FDD) system, LTE time division duplexs (Time Division Duplex, TDD), universal mobile communications system System (Universal Mobile Telecommunication System, UMTS), cellular wireless network system and 5G systems Deng.

It should also be understood that in embodiments of the present invention, user equipment (User Equipment, UE) can be referred to as terminal (Terminal), mobile station (Mobile Station, MS), mobile terminal (Mobile Terminal) etc., which can To be communicated with one or more core nets through wireless access network (Radio Access Network, RAN), UE can be described as connecing Enter terminal, terminal device, subscriber unit, subscriber station, movement station, mobile station, remote station, remote terminal, mobile device, user's end End, terminal, wireless telecom equipment, user agent or user apparatus.UE can be cellular phone, wireless phone, session initiation association Discuss (Session Initiation Protocol, SIP) phone, wireless local loop (Wireless Local Loop, WLL) It stands, personal digital assistant (Personal Digital Assistant, PDA), the handheld device with wireless communication function, count It calculates machine equipment or is connected to other processing equipments, mobile unit, wearable device and the future 5G nets of radio modem Terminal device etc. in network.

Fig. 1 is the schematic diagram for the system 100 for showing a kind of controlling transmission rate provided by the embodiments of the present application.Such as Fig. 1 Shown, which may include：First policy control functions (Policy Control Function, PCF) 110.This One PCF 110 can be used for executing following operation：

Obtain grouped data on the first user equipment Aggregate Maximum Bit Rate UE-AMBR and the UE of user equipment (UE) Unit PDU connections corresponding first session Aggregate Maximum Bit Rate Session-AMBR set, according to the first UE-AMBR and First Session-AMBR set determines the 2nd UE-AMRB, and sends the 2nd UE-AMBR to wireless access point RAN, this The corresponding activation Session- of each PDU connections that each Session-AMBR in one Session-AMBR set is the UE AMBR。

Optionally, the first PCF 110 can be also used for customer data base (User Data Respository, UDR) It sends and subscribes to message, which is used to indicate the Session-AMBR hairs in the first Session-AMBR set of the UDR Notify the first PCF when changing, and receive the subscribing notification message of UDR transmissions, the subscribing notification message carry this One Session-AMBR gathers.

Optionally, which can also include the 2nd PCF 120, and the 2nd PCF 120 is for receiving strategy request letter Breath, the strategy request information are used to ask the policy information of the first PDU connections, and are obtained from UDR according to the policy request message Take the Session-AMBR set that the first PDU connections are contracted, and determine in the Session-AMBR set of the signing this The corresponding first activation Session-AMBR of one PDU connections, and send first activation Session-AMBR, the label to the UDR Session-AMBR set about includes the corresponding at least one Session-AMBR of the first PDU connections；

First PCF 110, the first Session-AMBR set for receiving UDR transmissions, the first Session- AMBR set is to update the 2nd Session-AMBR set according to first activation Session-AMBR by the UDR to generate, should Each Session-AMBR in 2nd Session-AMBR set is should before receiving first activation Session-AMBR The corresponding activation Session-AMBR of each PDU connections of UE.

Optionally, which can also include the 2nd PCF 120, and the 2nd PCF 120 is for receiving strategy request letter Breath, the strategy request information are used to ask the policy informations of the first PDU connections, and according to the strategy request information from user data The Session-AMBR set of the signing of the first PDU connections is obtained in the UDR of library, and determines the Session-AMBR of the signing The corresponding first activation Session-AMBR of first PDU connections in set, the Session-AMBR set of the signing includes should The corresponding at least one Session-AMBR of first PDU connections.

First PCF 110 is additionally operable to receive first activation Session-AMBR of the 2nd PCF transmissions, and passes through this First activation Session-AMBR updates the 2nd Session-AMBR set and generates the first Session-AMBR set, this second Each Session-AMBR in Session-AMBR set is the UE before receiving first activation Session-AMBR Each corresponding activation Session-AMBR of PDU connections.

Optionally, the first PCF 110 is additionally operable to receive access access mobile management function to ps domain (Access and Mobility Management Function, AMF) send context session establish request, the context session foundation ask The mark for carrying the UE is sought, and the first UE-AMBR is obtained from the UDR according to the mark of the UE.

Optionally, the first PCF 110, be additionally operable to according to the first Session-AMBR set determine this first The Session-AMBR summing values of Session-AMBR set, and by the first UE-AMBR and the first Session-AMBR collection The minimum value of the Session-AMBR summing values of conjunction is determined as the 2nd UE-AMBR.

Fig. 2 shows the configuration diagrams of 5G systems, are a specific examples of system shown in Figure 1.As shown in Fig. 2, 5G System includes mainly authentication server function (Authentication Server Function, AUSF), uniform data management (Udified Data Managemen, UDM), AMF, SMF, PCF, application function (Application Fution, AF), data Net (Data Network, DN), user plane functions (User Plane Function, UPF), RAN, UE, diameter path agency (Diameter Routing Agent, DRA) and UDR.Do not show that DRA and UDR, DRA are mainly disposed to before PCF in Fig. 2, often A equipment for connecting PCF can pass through DRA.UDR is data storage cell, is responsible for the storage of subscription data.Shown in Fig. 2 5G systems in PCF can correspond to the first PCF 110 shown in FIG. 1 or the 2nd PCF 120 shown in FIG. 1.SMF is used for It is responsible for session management, AMF is for being responsible for access and mobile management.

Session-AMBR is the maximum polymerization bit rate of the PDU sessions of UE, and PDU sessions are between UE and Packet Data Network One connection, for Internet protocol (Internet Protocol, IP) type by (IP address of UE, data user name (Data Network Name, DNN)) data are to characterizing.

In addition, in 5G systems, there is also the scene of multiple PCF, different PCF has different number sections, different IP Address or different DNN.If there are multiple PCF to dispose, needs additional functional entity to complete the selection of PCF, pass through DRA in 5G Mechanism is realized.DRA selects PCF, Huo Zheruo in UE contexts (context) for receiving AMF, according to the UE that is identified as of UE What PCF was distinguished not in accordance with number section, then can be according to other rules, such as load sharing is that UE selects PCF.

May include that general (Common) PCF, Common a PCF is responsible for UE ranks in 5G systems, in multiple PCF Strategy.Common PCF can be disposed inside each slice in network, to be responsible for PDU session levels or business data flow grade Other strategy.UE level policies include mobility strategy, access network policy and UE-AMBR, and mobility strategy can be at some It can only UE be allowed to be accessed by LTE not allow UE access network, access network policy in region.PDU session-level strategies are The strategy of one PDU session, such as Session-AMBR, the strategy of business data flow rank are the plan for some data flow Slightly, for example, the service quality (Quality of Service, Qos) for some IP five-tuple is tactful.

It should be noted that in the embodiment of the present application, the first PCF 110 and the 2nd PCF 120 are with functional unit Form is presented.Here " unit " can refer to application-specific integrated circuit (application-specific integrated Circuit, ASIC), circuit, processor and memory, the integrated logic circuit for executing one or more softwares or firmware program, And/or other can provide the device of above-mentioned function.

As shown in figure 3, the PCF in the first PCF and the 2nd PCF or Fig. 2 described in Fig. 1 can be with the calculating in Fig. 3 The mode of machine equipment (or system) is realized.

Fig. 3 shows the signal of computer equipment provided by the embodiments of the present application (or system of controlling transmission rate) 300 Figure.It is specific as shown in figure 3, the system 300 include at least one processor 302 (such as with calculate and processing capacity it is general Processor (CPU), digital signal processor (Digital Signal Processor, DSP), application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field Programmable Gata Array, FPGA) etc.), processor 302 is for being managed each module in system 300 and device And scheduling.The system 300 further includes at least one transceiver 305 (receiver/transmitter), memory 306.System 300 it is each A component is communicated by internal connecting path, transmits control and/or data-signal.

The method that above-mentioned the embodiment of the present application discloses can be applied to processor 302, or for executing in memory 306 The executable module of storage, such as computer program.Memory 306 may include high-speed random access memory (Random Access Memory, RAM), it is also possible to further include non-labile memory (non-volatile memory), memory can To include read-only memory and random access memory, and the signaling needed or data, program etc. are provided to processor.Storage The a part of of device can also include non-volatile row random access memory (NVRAM).It (can be with by least one transceiver 305 Wired or wireless) realize and at least one other network element between communication connection.

In the concrete realization, as a kind of embodiment, computer equipment 300 may include multiple processors, each to handle Device can be monokaryon (single-CPU) processor, can also be multinuclear (multi-CPU) processor.Here place Reason device can refer to one or more equipment, circuit, and/or the process cores for handling data (such as computer program instructions).

In the concrete realization, as a kind of embodiment, computer equipment 300 can also include transceiver 305.Transceiver 305 and processor 302 communicate, can show information in many ways.For example, transceiver 305 can be liquid crystal display (liquid crystal display, LCD), Light-Emitting Diode (light emitting diode, LED) shows equipment, cloudy Extreme ray pipe (cathode ray tube, CRT) shows equipment or projecting apparatus (projector) etc..Transceiver 305 and processing Device 302 communicates, and can receive the input of user in many ways.It is set for example, input equipment can be mouse, keyboard, touch screen Standby or sensing equipment etc..

Above-mentioned computer equipment 300 can be an a general purpose computing device either dedicated computing machine equipment. In the concrete realization, computer equipment 300 can be desktop computer, portable computer, network server, palm PC (Personal Digital Assistant, PDA), cell phone, tablet computer, wireless terminal device, communication equipment, insertion Formula equipment or the equipment for having similar structures in Fig. 3.The unlimited type for determining computer equipment 300 of the embodiment of the present application.

The embodiment of the present application also provides a kind of computer storage media, which can store and be used to indicate The program instruction of any of the above-described kind of method.

Optionally, which is specifically as follows memory 306.

Illustratively, in the first PCF or the 2nd PCF in Fig. 1, one or more software modules are stored in memory. First PCF or the 2nd PCF can realize software module by the program code in processor and memory, realize that data pass Defeated rate control.

Illustratively, the PCF in Fig. 2 stores one or more software modules in memory.PCF can pass through processing Program code in device and memory realizes software module, realizes message transmission rate control.

Below by taking system shown in Fig. 2 as an example, control data provided in an embodiment of the present invention are introduced in conjunction with flow chart and are passed The method of defeated rate.

Fig. 4 shows the schematic flow chart of the method for the controlling transmission rate of the application one embodiment.The present embodiment In the scene for not initiating context session flow applied to UE.

401, UE send the request of PDU session establishments to SMF, and PDU session establishments request carries mark, the DNN information of UE.

402, SMF distribute IP address for UE, establish the PDU-CAN sessions with PCF, the PDU-CAN sessions are based on asking Take and control strategy.

Here PCF can correspond to the 2nd PCF 120 of embodiment illustrated in fig. 1.

403, PCF obtain corresponding 2nd Session-AMBR according to the first PDU connections gathers.

Optionally, when UDR sends the 2nd Session-AMBR set to PCF, it can carry and send the first UE-AMBR.

404, PCF receive multiple 2nd Session-AMBR, and according to the position of the UE either mark of UE or current Time etc. selects one of them the 2nd Session-AMBR for the Session-AMBR of activation in multiple 2nd Session-AMBR, And the 2nd Session-AMBR chosen is expressed as the first activation Session-AMBR.

405, PCF the Session-AMBR of activation, i.e., the first activation Session-AMBR are written into UDR.

406, UDR send the first Session-AMBR set to PCF.

Optionally, if PCF stores the first Session-AMBR set, after step 404, PCF passes through the first activation Session-AMBR updates the first Session-AMBR set, i.e., need not execute step 405 and step 406.At this point, UE-MBR It can be gathered by the 2nd Session-AMBR and be carried, the application is to this without limiting.

Optionally, when UDR sends the first Session-AMBR set to PCF, it can carry and send the first UE-AMBR.

It should be understood that the first Session-AMBR set can directly transmit, can also be carried by message, for example, First PCF can obtain first message, which carries the first Session-AMBR set and the first UE-AMBR, this One message can be used exclusively for carrying the first Session-AMBR set, can also be to have the function of other.The application is to this Without limiting.

It need not be established in the scene of context session connection it should be noted that the present embodiment can be applied to UE, i.e., The first UE-AMBR need not be obtained by context session connection, save system power dissipation.

407, PCF calculate the 2nd UE-AMBR according to the first UE-AMBR and the first Session-AMBR set.

PCF can obtain the first UE-AMBR according to step 403, can also obtain the first UE-AMBR according to step 406.

2nd UE-AMBR is sent to RAN by 408, PCF.

Optionally, PCF can send the 2nd UE-AMBR by SMF, or by SMF and AMF to RAN.

It should be understood that in the embodiment of the present application, being related to the description phase with Fig. 6 the embodiment described such as correlation properties, function It answers, for sake of simplicity, details are not described herein.

Therefore, the method for the controlling transmission rate of the embodiment of the present application, PCF can be according to first configured in advance for UE The corresponding activation Session-AMBR of all PDU connections that UE-AMBR and UE is supported determines the 2nd UE-AMBR, and then passes through 2nd UE-AMBR limits the message transmission rate of UE, to improve the efficiency of system data transmission.Fig. 5 shows that the application is another The schematic flow chart of the method for the controlling transmission rate of one embodiment.As shown in figure 5, various terms in the present embodiment Meaning is identical as foregoing embodiments.

501, UE send attach request to AMF, which carries the mark of UE.

UE to AMF send attach request can be forwarded by RAN, can also be to directly transmit, the application to this not It is defined.

After 502, AFM receive the attach request that UE is sent, the context session that UE is sent to the first PCF establishes request, uses In request mobility and access network selection strategy.Correspondingly, the first PCF receives the context session and establishes request.

The context session establishes the mark that request also carries UE, for example, the mark of the first UE corresponds to the first UE.In system In there are when multiple PCF, DRA receives UE context sessions and establishes request, can establish request according to UE context sessions and carry The first UE that is identified as of the first UE select suitable PCF, the embodiment of the present application using the first PCF as the PCF chosen for into Row explanation.Specifically, if PCF is distinguished according to number section or management domain, DRA can select PCF according to the UE that is identified as of UE.If PCF It is distinguished not in accordance with number section or management domain, DRA can select PCF according to default rule, for example, DRA is according to the negative of PCF Lotus is shared, and the PCF of light load is selected, to improve treatment effeciency.

503, the first PCF obtain the first UE-AMBR.

UDR is data storage cell, is responsible for the storage of signing information, and signing information includes the mark of different UE and each The corresponding UE-AMBR of mark of UE.First PCF can be obtained from UDR according to the mark of UE by database access interface pair The first UE-AMBR answered.

In addition, the correspondence of UE and the first PCF can also be written in UDR by UDR, specific UDR preserves format can be with It is [mark of UE, the first PCF marks].

It should be understood that UDR can be independent device, can also be integrated on any one PCF in multiple PCF, it can also Integrated with other equipment, the application is to this without limiting.

504, after the first PCF gets the first UE-AMBR, UE context sessions can be sent to AMF and establish response message, The UE context sessions, which establish response message, can carry the first UE-AMBR.Correspondingly, AMF receives the UE that the first PCF is sent Context session establishes response message.

It should be understood that when the first PCF establishes response message to AMF transmissions UE context sessions, it can also be first sent to DRA, It is transmitted to AMF by DRA.

505, UE send the request of PDU session establishments to SMF, and PDU session establishments request carries the mark of UE, data user name (Data Network Name, DNN) information.Correspondingly, SMF receives the PDU session establishments request that UE is sent.

506, SMF distribute IP address for UE, and to the 2nd PCF sending strategy request messages, which is used for The policy information of the first PDU connections, PDU is asked to be connected as a connection between UE and Packet Data Network.Correspondingly, second PCF receives the policy request message that SMF is sent.

Optionally, which can be Packet Data Network connectivity access network (Packet Data Network Connectivity Access Network, PDU-CAN) connection request can also be event reporting message.

For specifically, if UE sends PDU connections to SMF establishes request, SMF is that UE distributes IP address, then SMF passes through DRA sends PDU-CAN connection requests to the 2nd PCF, which is used to ask the strategy letter of the first PDU connections Breath.The PDU-CAN connection requests carry the mark of UE, the IP address of UE and the DNN information of UE, marks of the DRA according to UE, UE IP address and DNN be the PDU-CAN sessions select PCF.The PCF chosen can be expressed as the 2nd PCF by the present embodiment.

If the policy request message is event reporting message, which may include the position of UE, access net Network type change etc..

Can be carried in the policy request message IP address and DNN either the positions UE and DNN or UE session use Time and DNN either carry in message time of DNN and the 2nd PCF either the mark of UE and DNN or message identifier and DNN etc..

Optionally, DRA the first PCF and DRA that based on context session request selects are asked according to PDU session connections foundation It can be the same PCF to seek the 2nd PCF selected.

507, the 2nd PCF obtain corresponding 2nd Session-AMBR according to the first PDU connections and gather.

The corresponding 2nd Session-AMR set of each PDU connections, the 2nd Session-AMR set packets are stored in UDR Include multiple Session-AMBR, multiple Session-AMBR be respectively some PDU be connected to different moments, difference UE position Or the corresponding Session-AMBR such as mark of UE, and the first Session-AMBR set includes that each PDU connections are corresponding Session-AMBR is activated, activation Session-AMBR is the Session- selected from multiple Session-AMBR AMBR.2nd PCF can be according to corresponding 2nd Session- in the DNN inquiries UDR that the information of the first PDU connections includes AMBR, and the 2nd Session-AMBR is obtained by database query interface.It can to the storage form of Session-AMBR in UDR To be (DNN, Session-AMBR), and identical DNN may correspond to multiple 2nd Session-AMBR.

It should be understood that the correspondence of DNN and Session-AMBR belongs to the signing information of UE.

It should also be understood that the first PDU connections can be the corresponding data flow of the first PDU connections.

508, the 2nd PCF receive multiple Session-AMBR, and according to the position of the UE either mark of UE or current Time etc. selects one of Session-AMBR for the Session-AMBR of activation in multiple Session-AMBR, and will choose Session-AMBR be expressed as the first activation Session-AMBR.

Specifically, the 2nd PCF can be according to any one group information carried in policy request message from multiple Select a Session-AMBR as the first activation Session-AMBR in Session-AMBR.

It should be understood that after the 2nd PCF determines the first activation Session-AMBR, it can be by the first activation Session-AMBR hairs SMF is given, response pdus-CAN connection requests are used for.

First activation Session-AMBR is written into UDR by 509, the 2nd PCF.

Specifically, if the 2nd PCF selects Session-AMBR according to the mark of UE, the storage form in UDR can be with table It is shown as (mark of UE, (mark of the first PDU connections, the Session-AMBR of the first PDU connections)).If the 2nd Session- The corresponding second activation Session-AMBR of the first PDU connections is different from the first activation Session-AMBR in AMBR set, Second activation Session-AMBR is then replaced by first activation Session-AMBR, generates new Session-AMBR collection It closes, i.e. the first Session-AMBR set.If the corresponding activation of PDU connections is not present in the 2nd Session-AMBR set First activation Session-AMBR is added in the 2nd Session-AMBR set and generates first by Session-AMBR Session-AMBR gathers.That is, increasing the number of the activation Session-AMBR in Session-AMBR set.

510, UDR send the first Session-AMBR set to the first PCF, and the first Session-AMBR set includes UE The corresponding activation Session-AMBR of all PDU connections supported.

When the activation Session-AMBR in the 2nd Session-AMBR set changes, i.e., UDR receives first After activating Session-AMBR, the 2nd Session-AMBR set is updated by the first activation Session-AMBR and generates first Session-AMBR gathers, and the first Session-AMBR set is sent to the first PCF.

It should be understood that UDR can be sent to Session-AMBR set in the form of a list.

Optionally, the first PCF sends subscription request message to UDR, and the subscription request message is for asking UDR in storage The first PCF is notified when Session-AMBR changes.Correspondingly, UDR receives the subscription request message.First PCF is sent out to UDR Send subscription request message that can be happened between step 504- steps 505, any position that can also be before generation step 510, The application is to this without limiting.

Specifically, subscription request can be explicit subscription, can also be hidden subscription.For explicit subscription, the first PCF The event type that Session-AMBR can be carried in subscribing to request, i.e., occur the activation Session-AMBR of which UE The first PCF is notified when variation, saves the power consumption of UDR.For hidden subscription, the first PCF can not be carried in subscribing to request Session-AMBR, i.e. UDR can give tacit consent to the when of changing for the activation Session-AMBR of all UE and notify first PCF, such first PCF can know the variation of the Session-AMBR of any UE.

For example, the first PCF can ask activation Session-AMBRs of the UDR in the 2nd Session-AMBR set of UE When changing, notifies the first PCF, i.e., gather the first Session-AMBR that the second Session-AMBR set updates obtain It is sent to the first PCF.

Optionally, the Session- in the first Session-AMBR set of the UDR in UDR can also be set in advance in system The first PCF, i.e., the first Session-AMBR obtained the second Session-AMBR set updates are notified when AMBR changes Set is sent to the first PCF, and the embodiment of the present application is to this without limiting.

It should be understood that the first PCF to UDR send subscribe to request, UDR receive the subscription request after can reply subscription at Work(message.

511, the first PCF determine the 2nd UE-AMBR according to the first UE-AMBR and the first Session-AMBR set.

Specifically, each Session-AMBR during the first PCF first gathers Session-AMBR carries out summation operation Session-AMBR summing values are obtained, the size of the first UE-AMBR and the Session-AMBR summing values is then compared, it will Minimum value in the two is as the 2nd UE-AMBR, i.e. Min (the first UE-AMBR, Σ Session-AMBR).Such first PCF can To determine the 2nd UE-AMBR, Jin Ertong according to the first UE-AMBR and current all Session-AMBR that are in advance UE configurations Cross the message transmission rate of the 2nd UE-AMBR limitations UE.

It should be noted that the 2nd UE-AMBR can be the limitation to uplink transmission rate, can also be to be passed to downlink The limitation of defeated rate, or the limitation to uplink transmission rate and downlink transmission rate simultaneously, the application is to this without limit It is fixed.

512, the 2nd UE-AMBR is sent to RAN by the first PCF.

Specifically, the 2nd UE-AMBR can be sent to RAN by the first PCF by SMF, and RAN carries out the execution of UE-AMBR.

Optionally, the 2nd UE-AMBR can also be sent to RAN by the first PCF by SMF and AMF, and RAN carries out UE-AMBR Execution.

Fig. 6 shows the schematic flow chart of the method for the controlling transmission rate of another embodiment of the application.Such as Fig. 6 institutes Show, the meaning of the various terms in the present embodiment is identical as foregoing embodiments.

First PCF of the embodiment of the present application can be the Common PCF in the scene of general Common PCF, and UDR will not PCF is selected according to the mark of UE, but it is unified using Common PCF, and the Common PCF are stored with the first Session- AMBR gathers.

It should be noted that DRA can be not present in the system including Common PCF, select PCF can for PDU connections To be realized by other equipment.

It should be understood that " Common PCF " is the abbreviation to the PCF with the function, name of the embodiment of the present application to the PCF Claim without limiting.

Step 601- steps 608 can be identical as the step 501- steps 508 of embodiment shown in fig. 5, to avoid repeating, Herein without repeating.

The Session-AMBR of activation, i.e., the first activation Session-AMBR are written into the first PCF by 609, the 2nd PCF.

Specifically, if the 2nd PCF selects Session-AMBR according to the mark of UE, the storage form in UDR can be with table It is shown as (mark of UE, (mark of the first PDU connections, the Session-AMBR of the first PDU connections)).If Session-AMBR collection Corresponding 3rd Session-AMBR of the first PDU connections stored in conjunction is different from the first Session-AMBR, then this first Session-AMBR replaces the 3rd Session-AMBR, that is, updates Session-AMBR set.

Step 610- steps 611 can also be identical as the step 511- steps 512 of embodiment shown in fig. 5, to avoid weight It is multiple, herein without repeating.

Optionally, in step 611, the 2nd UE-AMBR can also be sent to RAN by the first PCF by SMF and AMF, RAN Carry out the execution of UE-AMBR.

Since Common PCF are not connect with SMF, Common PCF can by AMF forward the 2nd UE-AMBR to RAN。

Therefore, the method for the controlling transmission rate of the embodiment of the present application, the first PCF obtain the first UE-AMBR and the of UE The corresponding first activation Session-AMBR of one PDU connections, second updated storage by the first activation Session-AMBR Session-AMBR gathers to obtain the first Session-AMBR set, and according to the first UE-AMBR and the first Session- AMBR set determines the 2nd UE-AMRB, and such first PCF can be according to being in advance the first UE-AMBR of UE configurations and current All Session-AMBR determine the 2nd UE-AMBR, and then the message transmission rate of UE is limited by the 2nd UE-AMBR, to Improve the efficiency of system data transmission.Fig. 7 shows the signal of the method for the controlling transmission rate of another embodiment of the application Property flow chart.As shown in fig. 7,

Step 701- steps 710 can be identical as the step 501- steps 510 of embodiment shown in fig. 5, to avoid repeating, Herein without repeating.

711, the first PCF gather the Session- for determining the first Session-AMBR set according to the first Session-AMBR AMBR summing values.

712, the first PCF are to the AMF Session-AMBR summing values.

713, AFM, according to the Session-AMBR summing values and the first UE-AMBR obtained in step 704, calculate second UE-AMBR, i.e. Min (the first UE-AMBR, Σ Session-AMBR).

714, the 2nd UE-AMBR is sent to RAN by the first PCF.

Therefore, the method for the controlling transmission rate of the embodiment of the present application obtains the first UE-AMBR and packet of UE by AMF All PDU for including the UE connect the Session-AMBR that the first Session-AMBR of corresponding activation Session-AMBR gathers Summing value, and determine the according to the Session-AMBR summing values of the first UE-AMBR and the first Session-AMBR set Two UE-AMRB, such AMF can be true according to the first UE-AMBR and current all Session-AMBR that are in advance UE configurations Fixed 2nd UE-AMBR, and then by the message transmission rate of the 2nd UE-AMBR limitations UE, to improve system data transmission Efficiency.

Optionally, as one embodiment, DAR can also be used to execute the calculating of the 2nd UE-AMBR.Namely first After PCF gets the first UE-AMBR and the first Session-AMBR set, by the first UE-AMBR and the first Session- AMBR set is sent to DRA, and Σ Session-AMBR and Min (the first UE-AMBR, Σ Session- are calculated by DRA AMBR the 2nd UE-AMBR) is obtained.

Optionally, the first PCF can also calculate all activated Session-AMBR in the first Session-AMBR set Session-AMBR summing values, and Session-AMBR summing values are sent to DAR, Min (the first UE- are calculated by DAR AMBR, Σ Session-AMBR).

Optionally, as another embodiment, SMF can also be used to execute the calculating of the 2nd UE-AMBR.That is the first PCF After getting the first UE-AMBR and the first Session-AMBR set, by the first UE-AMBR and the first Session-AMBR collection Conjunction is sent to SMF, is obtained by SMF to calculate Σ Session-AMBR and Min (the first UE-AMBR, Σ Session-AMBR) 2nd UE-AMBR.

Optional the, as another embodiment, the first PCF or DRA can also calculate the first Session-AMBR set In all activated Session-AMBR Session-AMBR summing values, and will and Session-AMBR summing values be sent to SMF calculates Min (the first UE-AMBR, Σ Session-AMBR) by SMF.

Optionally, as another embodiment, AMF cannot identify Session-AMBR, but can identify Session- AMBR summing values.Therefore, DRA or SMF can also calculate all activated Session- in the first Session-AMBR set The Session-AMBR summing values of AMBR, and Session-AMBR summing values are sent to AMF, Min (first is calculated by AMF UE-AMBR, Σ Session-AMBR).

Therefore, the method for the controlling transmission rate of the embodiment of the present application, AMF obtain the first UE-AMBR of UE and including being somebody's turn to do All PDU of UE connect the Session-AMBR summations of the first Session-AMBR set of corresponding activation Session-AMBR Value, and the 2nd UE- is determined according to the Session-AMBR summing values of the first UE-AMBR and the first Session-AMBR set The Session-AMBR summing values of AMRB, the first Session-AMBR set can be determined by the first PCF, DRA or SMF, this Sample AMF can determine the 2nd UE- according to the first UE-AMBR and current all Session-AMBR for being in advance UE configurations AMBR, and then by the message transmission rate of the 2nd UE-AMBR limitations UE, to improve the efficiency of system data transmission.

Fig. 8 shows the schematic block diagram of the PCF 800 of the controlling transmission rate of the embodiment of the present application.As shown in figure 8, should PCF 800 includes：

Processing module 810, the first user equipment Aggregate Maximum Bit Rate UE-AMBR for obtaining user equipment (UE)；

The processing module 810 is additionally operable to obtain the corresponding first session polymerization of Packet Data Unit PDU connections on the UE most Big bit rate Session-AMBR set, each Session-AMBR during the first Session-AMBR gathers is the UE's Each corresponding activation Session-AMBR of PDU connections；

The processing module 810 is additionally operable to, according to the first UE-AMBR and the first Session-AMBR set, determine the Two UE-AMRB；

Sending module 820, for sending the 2nd UE-AMBR to wireless access point RAN.

The PCF 800 of the embodiment of the present application can correspond to the of above-mentioned Fig. 4, Fig. 5, Fig. 6 and embodiment of the method shown in Fig. 7 One PCF.And each module in the PCF 800 or unit are respectively used to execute and be executed by the first PCF in above method embodiment Corresponding flow.For sake of simplicity, details are not described herein.

It should be understood that in the present embodiment, PCF 800 is presented in the form of functional unit.Here " unit " can be with Refer to application-specific integrated circuit (application-specific integrated circuit, ASIC), circuit, execute one The processor and memory of a or multiple softwares or firmware program, integrated logic circuit and/or other above-mentioned function can be provided Device.In a simple embodiment, it is shown in Fig. 3 to be contemplated that PCF 800 may be used by those skilled in the art Form.Processing module 810 can be realized by processor 302 and memory 306 shown in Fig. 3.Sending module 820 can be with It is realized by transceiver 302 shown in Fig. 3.Specifically, processor by execute in memory the computer program that stores come It realizes.

Fig. 9 shows the schematic block diagram of the AMF 900 of the embodiment of the present application.As shown in figure 9, the AMF 900 includes：

Processing module 910, the first user equipment Aggregate Maximum Bit Rate UE-AMBR for obtaining user equipment (UE)；

Receiving module 920, the first session Aggregate Maximum Bit Rate sent for receiving the first policy control functions PCF Session-AMBR set Session-AMBR summing values, the first Session-AMBR set in each Session- AMBR is the corresponding activation Session-AMBR of each Packet Data Unit PDU connections of the UE；

The processing module 910 is additionally operable to according to the first UE-AMBR and the first Session-AMBR set Session-AMBR summing values determine the 2nd UE-AMRB；Sending module 920, for wireless access point RAN send this second UE-AMBR；

Sending module 930, for sending the 2nd UE-AMBR to wireless access point RAN.

The AMF 900 of the embodiment of the present application can correspond to pair of above-mentioned Fig. 4, Fig. 5, Fig. 6 and embodiment of the method shown in Fig. 7 The AMF answered.And each module in the AMF 900 or unit are respectively used to execute the phase executed by AMF in above method embodiment Answer flow.For sake of simplicity, details are not described herein.

It should be understood that in the present embodiment, AMF 900 is presented in the form of functional unit.Here " unit " can be with Refer to application-specific integrated circuit (application-specific integrated circuit, ASIC), circuit, execute one The processor and memory of a or multiple softwares or firmware program, integrated logic circuit and/or other above-mentioned function can be provided Device.In a simple embodiment, it is shown in Fig. 3 to be contemplated that AMF 900 may be used by those skilled in the art Form.Processing module 910 can be realized by processor 302 and memory 306 shown in Fig. 3.Receiving module 920 and hair Send module 930 that can be realized by transceiver 302 shown in Fig. 3.Specifically, processor is stored by executing in memory Computer program is realized.Those of ordinary skill in the art may realize that described in conjunction with the examples disclosed in this document Each exemplary unit and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.This A little functions are implemented in hardware or software actually, depend on the specific application and design constraint of technical solution.Specially Industry technical staff can use different methods to achieve the described function each specific application, but this realization is not It is considered as exceeding scope of the present application.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit It closes or communicates to connect, can be electrical, machinery or other forms.

The unit illustrated as separating component may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme 's.

In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.

It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer read/write memory medium.Based on this understanding, the technical solution of the application is substantially in other words The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of step. And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), arbitrary access are deposited The various media that can store program code such as reservoir (Random Access Memory, RAM), magnetic disc or CD.

The above, the only specific implementation mode of the application, but the protection domain of the application is not limited thereto, it is any Those familiar with the art can easily think of the change or the replacement in the technical scope that the application discloses, and should all contain It covers within the protection domain of the application.Therefore, the protection domain of the application should be based on the protection scope of the described claims.

Claims

1. a kind of method of controlling transmission rate, which is characterized in that including：

First policy control functions PCF obtains the first user equipment Aggregate Maximum Bit Rate UE-AMBR of user equipment (UE)；

First PCF obtains the corresponding first session Aggregate Maximum Bit Rate of Packet Data Unit PDU connections on the UE Session-AMBR gathers, and each Session-AMBR in the first Session-AMBR set is each of described UE The corresponding activation Session-AMBR of PDU connections；

First PCF gathers according to the first UE-AMBR and the first Session-AMBR, determines the 2nd UE-AMRB；

First PCF sends the 2nd UE-AMBR to wireless access point RAN.

2. according to the method described in claim 1, it is characterized in that, the method further includes：

First PCF is sent to UDR subscribes to message, the first Session- for subscribing to message and being used to indicate the UDR Session-AMBR in AMBR set notifies the first PCF when changing；

Wherein, the first PCF acquisitions the first Session-AMBR set includes：

First PCF receives the subscribing notification message that the UDR is sent, and the subscribing notification message carries described first Session-AMBR gathers.

3. method according to claim 1 or 2, which is characterized in that the first PCF obtains the first Session-AMBR collection Conjunction includes：

2nd PCF receives strategy request information, and the strategy request information is used to ask the policy information of the first PDU connections；

2nd PCF obtains the first PDU connections signing according to the strategy request information from customer data base UDR Session-AMBR set, the signing Session-AMBR set include the first PDU connections corresponding at least one A Session-AMBR；

2nd PCF determines corresponding first activation of the first PDU connections described in the Session-AMBR set of the signing Session-AMBR；

2nd PCF sends the first activation Session-AMBR to the UDR；

First PCF receives the first Session-AMBR set from the UDR, the first Session-AMBR set It is to activate Session-AMBR to update the 2nd Session-AMBR set according to described first by the UDR to generate, described the Each Session-AMBR in two Session-AMBR set activates institute before Session-AMBR to receive described first State the corresponding activation Session-AMBR of each PDU connections of UE.

4. method according to claim 1 or 2, which is characterized in that the first PCF obtains the first Session-AMBR collection Conjunction includes：

2nd PCF obtains the label of the first PDU connections according to the strategy request information from customer data base UDR The Session-AMBR set of Session-AMBR set about, the signing includes that the first PDU connections are corresponding at least One Session-AMBR；

First PCF receives the first activation Session-AMBR that the 2nd PCF is sent；

First PCF activates Session-AMBR to update the 2nd Session-AMBR set and generates described the by described first One Session-AMBR gathers, and each Session-AMBR in the 2nd Session-AMBR set is to receive described the The corresponding activation Session-AMBR of each PDU connections of one activation Session-AMBR foregoing description UE.

5. method according to claim 1 to 4, which is characterized in that the method further includes：

First PCF receives the context session that access mobile management function to ps domain AMF is sent and establishes request, the context meeting Words establish the mark that request carries the UE；

Wherein, the first UE-AMBR of the first PCF acquisitions UE includes：

First PCF obtains the first UE-AMBR according to the mark of the UE from the UDR.

6. the method according to any one of claims 1 to 5, it is characterized in that, the first PCF is according to described first UE-AMBR and the first Session-AMBR set, determines the 2nd UE-AMBR, including：

First PCF determines the first Session-AMBR set according to the first Session-AMBR set Session-AMBR summing values；

The Session-AMBR that first PCF gathers the first UE-AMBR and the first Session-AMBR sums The minimum value of value is determined as the 2nd UE-AMBR.

7. a kind of method of controlling transmission rate, which is characterized in that including：

Access the first user equipment Aggregate Maximum Bit Rate UE-AMBR that mobile management function to ps domain AMF obtains user equipment (UE)；

The AMF receives the first session Aggregate Maximum Bit Rate Session-AMBR that the first policy control functions PCF is sent The Session-AMBR summing values of set, each Session-AMBR during the first Session-AMBR gathers is the UE The corresponding activation Session-AMBR of each Packet Data Unit PDU connections；

The Session-AMBR summing values that the AMF gathers according to the first UE-AMBR and the first Session-AMBR, Determine the 2nd UE-AMRB；

The AMF sends the 2nd UE-AMBR to wireless access point RAN.

8. a kind of system of controlling transmission rate, which is characterized in that including：

First policy control functions PCF, the first user equipment Aggregate Maximum Bit Rate UE- for obtaining user equipment (UE) AMBR connects corresponding first session Aggregate Maximum Bit Rate Session-AMBR with Packet Data Unit PDU on the UE Set determines the 2nd UE-AMRB according to the first UE-AMBR and the first Session-AMBR set, and to wirelessly connecing Access point RAN sends the 2nd UE-AMBR, and each Session-AMBR in the first Session-AMBR set is described The corresponding activation Session-AMBR of each PDU connections of UE.

9. system according to claim 8, which is characterized in that the first PCF is additionally operable to send out to customer data base UDR Send subscription message, the Session-AMBR for subscribing to message and being used to indicate in the first Session-AMBR set of the UDR The first PCF is notified when changing；

First PCF is additionally operable to receive the subscribing notification message that the UDR is sent, described in the subscribing notification message carries First Session-AMBR gathers.

10. system according to claim 8 or claim 9, which is characterized in that the system also includes the 2nd PCF；

2nd PCF, for receiving strategy request information, the strategy request information is used to ask the plan of the first PDU connections Slightly information, and the first PDU connections signing is obtained from customer data base UDR according to the policy request message Session-AMBR gathers, and determines the first PDU connections described in the Session-AMBR set of the signing corresponding the One activation Session-AMBR, and send the first activation Session-AMBR, the Session- of the signing to the UDR AMBR set includes the corresponding at least one Session-AMBR of the first PDU connections；

First PCF is additionally operable to receive the first Session-AMBR set that the UDR is sent, the first Session- AMBR set is to update the 2nd Session-AMBR set according to the first activation Session-AMBR by the UDR to generate, institute State the 2nd Session-AMBR set in each Session-AMBR be receive it is described first activation Session-AMBR it The corresponding activation Session-AMBR of each PDU connections of the preceding UE.

11. system according to claim 8 or claim 9, which is characterized in that the system also includes the 2nd PCF；

2nd PCF, for receiving strategy request information, the strategy request information is used to ask the plan of the first PDU connections Slightly information, and the Session-AMBR collection of the signing of the first PDU connections is obtained according to the strategy request information from UDR It closes, and determines the corresponding first activation Session- of the first PDU connections described in the Session-AMBR set of the signing The Session-AMBR set of AMBR, the signing include the corresponding at least one Session-AMBR of the first PDU connections；

First PCF is additionally operable to receive the first activation Session-AMBR that the 2nd PCF is sent, and passes through institute It states the first activation Session-AMBR and updates the 2nd Session-AMBR set generations the first Session-AMBR set, institute State the 2nd Session-AMBR set in each Session-AMBR be receive it is described first activation Session-AMBR it The corresponding activation Session-AMBR of each PDU connections of the preceding UE.

12. the system according to any one of claim 8 to 11, which is characterized in that the first PCF is additionally operable to receive The context session for accessing mobile management function to ps domain AMF transmissions establishes request, and the context session is established described in request carrying The mark of UE, and the first UE-AMBR is obtained from the UDR according to the mark of the UE.

13. the system according to any one of claim 8 to 12, which is characterized in that the first PCF is additionally operable to basis The first Session-AMBR set determines the Session-AMBR summing values of the first Session-AMBR set, and will The minimum value of the Session-AMBR summing values of first UE-AMBR and the first Session-AMBR set is determined as institute State the 2nd UE-AMBR.

14. a kind of policy control functions PCF, which is characterized in that including：

Processing module, the first user equipment Aggregate Maximum Bit Rate UE-AMBR for obtaining user equipment (UE)；

It is maximum to be additionally operable to obtain the corresponding first session polymerization of Packet Data Unit PDU connections on the UE for the processing module Bit rate Session-AMBR set, each Session-AMBR during the first Session-AMBR gathers is the UE The corresponding activation Session-AMBR of each PDU connections；

The processing module is additionally operable to be gathered according to the first UE-AMBR and the first Session-AMBR, determines second UE-AMRB；

Sending module, for sending the 2nd UE-AMBR to wireless access point RAN.

15. PCF according to claim 14, which is characterized in that the sending module is additionally operable to send to subscribe to UDR to disappear Breath, the Session-AMBR that the subscription message is used to indicate in the first Session-AMBR set of the UDR change First PCF described in Shi Tongzhi；

The PCF further includes receiving module, and the receiving module is used to receive the subscribing notification message that the UDR is sent, described Subscribing notification message carries the first Session-AMBR set.

16. the PCF according to claims 14 or 15, which is characterized in that the PCF further includes receiving module, the reception Module is used to receive the context session that access mobile management function to ps domain AMF is sent and establishes request, and the context session is established Request carries the mark of the UE；

The processing module is used to obtain the first UE-AMBR of UE：

The processing module is specifically used for the mark according to the UE, and the first UE-AMBR is obtained from UDR.

17. the PCF according to any one of claim 14 to 16, which is characterized in that the processing module is additionally operable to basis First UE-AMBR and the first Session-AMBR set determines the 2nd UE-AMRB, including：

The processing module is specifically used for determining the first Session-AMBR according to the first Session-AMBR set The Session-AMBR summing values of set；First UE-AMBR and the first Session-AMBR is gathered The minimum value of Session-AMBR summing values is determined as the 2nd UE-AMBR.

18. a kind of access mobile management function to ps domain AMF, which is characterized in that including：

Receiving module, the first session Aggregate Maximum Bit Rate sent for receiving the first policy control functions PCF The Session-AMBR summing values of Session-AMBR set, each Session- in the first Session-AMBR set AMBR is the corresponding activation Session-AMBR of each Packet Data Unit PDU connections of the UE；

The processing module is additionally operable to according to the first UE-AMBR and the first Session-AMBR set Session-AMBR summing values determine the 2nd UE-AMRB；

Sending module, for sending the 2nd UE-AMBR to wireless access point RAN.