CN108632882A - A kind of bit rate control method, PCF entities, AMF entities and SMF entities - Google Patents

A kind of bit rate control method, PCF entities, AMF entities and SMF entities Download PDF

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Publication number
CN108632882A
CN108632882A CN201710160174.8A CN201710160174A CN108632882A CN 108632882 A CN108632882 A CN 108632882A CN 201710160174 A CN201710160174 A CN 201710160174A CN 108632882 A CN108632882 A CN 108632882A
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Prior art keywords
bit rate
terminal
maximum bit
entities
aggregate maximum
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CN108632882B (en
Inventor
郭雅莉
艾明
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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China Academy of Telecommunications Technology CATT
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0252—Traffic management, e.g. flow control or congestion control per individual bearer or channel
    • H04W28/0257—Traffic management, e.g. flow control or congestion control per individual bearer or channel the individual bearer or channel having a maximum bit rate or a bit rate guarantee
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention provides a kind of bit rate control method, PCF entities, AMF entities and SMF entities, are related to field of communication technology.The bit rate control method, including：When receiving the solicited message for establishing terminal contexts of access and mobile management function to ps domain AMF entities, the subscription data of the terminal is obtained, the subscription data includes the terminal Aggregate Maximum Bit Rate of the terminal unit contractual；Obtain the session Aggregate Maximum Bit Rate that the terminal is in the session of activated state；According to the terminal Aggregate Maximum Bit Rate and the session Aggregate Maximum Bit Rate, Aggregate Maximum Bit Rate used in the terminal is determined；The Aggregate Maximum Bit Rate is fed back into AMF entities so that the Aggregate Maximum Bit Rate is sent to access net by AMF entities, carries out the control of the data bit rate of the terminal according to the Aggregate Maximum Bit Rate by access net.Said program realizes control of the access net to terminal data code check, ensure that the reliability of network communication.

Description

A kind of bit rate control method, PCF entities, AMF entities and SMF entities
Technical field
The present invention relates to field of communication technology, more particularly to a kind of bit rate control method, PCF entities, AMF entities and SMF Entity.
Background technology
The Organization Chart of next-generation (NextGen) network is as shown in Figure 1, it includes mainly：User-plane function (User Plane Function, UPF), access and mobile management function to ps domain (Access and Mobility Management Function, AMF), conversation management functional (Session Management Function, SMF), policy control functions (Policy Control Function, PCF) and uniform data management (Unified Data Management, UDM), In, UPF is user plane anchor point；AMF is responsible for mobile management, and with user equipment (User Equipment, UE, also referred to as Terminal) and access net (Access Network, AN) be connected；SMF torus network nodes in order to control are responsible for session management, with UPF phases Even；PCF is responsible for policy control, and UDM is responsible for user contracting data management.
It should be noted that in NextGen networks, a UE can establish multiple sessions in the core network (session), a session tunnel (session tunnel) and for each session is established in the core network, belongs to this The data of session are transmitted by the session tunnel between AN and UPF.The side of eating dishes without rice or wine of AN and UE, by one or Multiple empty port load-supportings (Radio Bearer, RB) transmit the data of the session.In each session, different clothes can be transmitted The data that quality of being engaged in (Quality of Service, QoS) requires, referred to as QoS data stream, QoS data flow point are to ensure bit Rate (Guaranteed Bit Rate, GBR) and not ensures bit rate (non-GBR) two types, for the QoS numbers of GBR types According to stream, network can distribute the data transmission of the minimum guarantee code check of a QoS data stream of enough resource guarantees pair setting, for The QoS data stream of non-GBR types, network do not set minimum guarantee code check, and to the session that a UE is established, Code check control can be carried out to the code check summation of the QoS data stream of wherein all non-GBR types, it also can be to all non-of the UE The code check summation of the QoS data stream of GBR types carries out code check control, and the part for being more than will be dropped, with Logistics networks resource It can more effectively use.
For each session that a UE is established, for the QoS numbers of all non-GBR types in a session According to stream, polymerization maximal rate control can be carried out to the summation of these QoS data streams, the value of this polymerization maximal rate control we Referred to as session Aggregate Maximum Bit Rate (Aggregate Maximum BitRate, AMBR), one of UE foundation In session, the code check summation of the QoS data stream of all non-GBR types, which is more than the part of session-AMBR, to be dropped, It can more effectively be used with Logistics networks resource.
The code check summation of the QoS flow of non-GBR types in a session is controlled in the prior art, one It is more than the data packet of session-AMBR in a session to be dropped, Logistics networks resource efficiently uses, but because One UE can establish multiple session, and each session independently carries out the control of sessiion-AMBR, can not be total to UE Data traffic controlled, Internet resources may still be wasted, therefore to a UE, and network can also own the UE The code check summation of the QoS data stream of non-GBR types carries out maximal rate control, the value of this maximal rate control we be known as UE-AMBR (i.e. AMBR used in the practical energy of UE), the code check summation of the QoS data stream of all non-GBR types of a UE Part more than UE-AMBR can be dropped, and can more effectively be used with Logistics networks resource.
But do not define how to carry out the determination of AMBR used in UE in the prior art, cause access net side can not The problem of controling effectively to terminal data code check, influence communication reliability.
Invention content
It is real that the technical problem to be solved in the present invention is to provide a kind of bit rate control method, PCF entities, AMF entities and SMF Body, to solve to cause access net can not be to terminal data code without the scheme for determining AMBR used in UE in the prior art Rate control effectively, and there are problems that not ensureing the reliability of network communication.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of bit rate control method, including：
When receiving the solicited message for establishing terminal contexts of access and mobile management function to ps domain AMF entities, obtain The subscription data of the terminal, the subscription data include the terminal Aggregate Maximum Bit Rate of the terminal unit contractual；
Obtain the session Aggregate Maximum Bit Rate that the terminal is in the session of activated state；
According to the terminal Aggregate Maximum Bit Rate and the session Aggregate Maximum Bit Rate, the terminal institute is determined The Aggregate Maximum Bit Rate used；
The Aggregate Maximum Bit Rate is fed back into AMF entities so that AMF entities are by the Aggregate Maximum Bit Rate It is sent to access net, carries out the control of the data bit rate of the terminal according to the Aggregate Maximum Bit Rate by access net.
Further, the step of subscription data for obtaining the terminal includes：
It sends subscription data acquisition request and stores UDR entities to uniform data；
Receive the UDR Entity feedbacks includes the signing number of the terminal Aggregate Maximum Bit Rate of the terminal unit contractual According to.
Further, the step of subscription data for obtaining the terminal includes：
Acquisition includes that the terminal polymerization of the terminal unit contractual is maximum in the solicited message for establishing terminal contexts The subscription data of bit rate.
Further, the step of session Aggregate Maximum Bit Rate for obtaining the session that the terminal is in activated state Including：
Obtain the Aggregate Maximum Bit Rate of the signing for the session that terminal is established；
User's surface state of the established session of the terminal is obtained from conversation management functional SMF entities；
According to user's surface state and the Aggregate Maximum Bit Rate of the signing of the established session of terminal, determine described in User's surface state is the session Aggregate Maximum Bit Rate of the session of activated state.
Further, the step of Aggregate Maximum Bit Rate of the signing for obtaining the session that terminal is established includes：
The Aggregate Maximum Bit Rate of the signing for the session that terminal is established is obtained from SMF entities；Or
The Aggregate Maximum Bit Rate of the signing for the session that terminal is established is obtained from UDR entities.
Further, the bit rate control method further includes：
In the user's surface state update for the session that terminal is established, the use of updated session is obtained from SMF entities Family surface state.
It is further, described according to the terminal Aggregate Maximum Bit Rate and the session Aggregate Maximum Bit Rate, The step of determining Aggregate Maximum Bit Rate used in the terminal include：
If the summation of the session Aggregate Maximum Bit Rate of all sessions in activated state is greater than or equal to the terminal Aggregate Maximum Bit Rate, it is determined that the terminal Aggregate Maximum Bit Rate is aggregate maximum bit used in the terminal Rate, otherwise, it determines the summation of the session Aggregate Maximum Bit Rate of all sessions in activated state is made by the terminal Aggregate Maximum Bit Rate.
Further, the described the step of Aggregate Maximum Bit Rate is fed back to AMF entities, includes：
The Aggregate Maximum Bit Rate is transmitted directly to the AMF entities；Or
The Aggregate Maximum Bit Rate is fed back into the AMF entities by SMF entities.
The embodiment of the present invention provides a kind of policy control functions entity, including：
First acquisition module, for establishing terminal contexts receive access and mobile management function to ps domain AMF entities Solicited message when, obtain the subscription data of the terminal, the subscription data include the terminal polymerization of the terminal unit contractual most Big bit rate；
Second acquisition module, the session Aggregate Maximum Bit Rate for being in the session of activated state for obtaining the terminal；
Determining module is used for according to the terminal Aggregate Maximum Bit Rate and the session Aggregate Maximum Bit Rate, Determine Aggregate Maximum Bit Rate used in the terminal；
First feedback module, for the Aggregate Maximum Bit Rate to be fed back to AMF entities so that AMF entities are by institute It states Aggregate Maximum Bit Rate and is sent to access net, the terminal is carried out according to the Aggregate Maximum Bit Rate by access net The control of data bit rate.
Further, first acquisition module includes：
First transmission unit stores UDR entities for sending subscription data acquisition request to uniform data；
First receiving unit, for receive the UDR Entity feedbacks include the terminal unit contractual terminal polymerization most The subscription data of big bit rate.
Further, first acquisition module includes：
First acquisition unit includes the terminal label for being obtained in the solicited message for establishing terminal contexts The subscription data of terminal Aggregate Maximum Bit Rate about.
Further, second acquisition module includes：
Second acquisition unit, the Aggregate Maximum Bit Rate of the signing for obtaining the session that terminal is established；
Third acquiring unit, the user for obtaining the established session of the terminal from conversation management functional SMF entities Surface state；
4th acquiring unit, for according to the polymerization of user's surface state and the signing of the established session of terminal maximum Bit rate determines that user's surface state is the session Aggregate Maximum Bit Rate of the session of activated state.
Further, the second acquisition unit is used for：
The Aggregate Maximum Bit Rate of the signing for the session that terminal is established is obtained from SMF entities；Or
The Aggregate Maximum Bit Rate of the signing for the session that terminal is established is obtained from UDR entities.
Further, the policy control functions entity further includes：
Third acquisition module obtains when user's surface state of the session for being established in terminal updates from SMF entities User's surface state of updated session.
Further, the determining module is used for：
If the summation of the session Aggregate Maximum Bit Rate of all sessions in activated state is greater than or equal to the terminal Aggregate Maximum Bit Rate, it is determined that the terminal Aggregate Maximum Bit Rate is aggregate maximum bit used in the terminal Rate, otherwise, it determines the summation of the session Aggregate Maximum Bit Rate of all sessions in activated state is made by the terminal Aggregate Maximum Bit Rate.
Further, first feedback module is used for：
The Aggregate Maximum Bit Rate is transmitted directly to the AMF entities；Or
The Aggregate Maximum Bit Rate is fed back into the AMF entities by SMF entities.
The embodiment of the present invention provides a kind of policy control functions entity, including memory, processor and is stored in memory Computer program that is upper and can running on a processor, wherein the processor is realized above-mentioned when executing the computer program Bit rate control method in step.
The embodiment of the present invention provides a kind of bit rate control method, including：
When endpoint registration is to network, the solicited message that terminal contexts are established in transmission gives policy control functions PCF entities；
It receives and polymerize used in the terminal that the PCF entities are fed back according to the terminal Aggregate Maximum Bit Rate Maximum bit rate；
The Aggregate Maximum Bit Rate is sent to access net so that access net is according to the Aggregate Maximum Bit Rate Carry out the control of the data bit rate of the terminal.
Further, when the label for having the terminal Aggregate Maximum Bit Rate comprising the terminal unit contractual in the solicited message About data when, it is described when endpoint registration is to network, send and establish the solicited messages of terminal contexts and give policy control functions PCF The step of entity includes：
When endpoint registration is to network, sends subscription data acquisition request and manage UDM entities to uniform data；
Receive the UDM Entity feedbacks includes the subscription data of the terminal Aggregate Maximum Bit Rate of terminal unit contractual；
It sends the solicited message for establishing terminal contexts comprising the subscription data and gives PCF entities.
A kind of access of offer of the embodiment of the present invention and mobile management function to ps domain entity, including：
First sending module, for when endpoint registration is to network, sending the solicited message for establishing terminal contexts to plan Slightly control function PCF entities；
Receiving module, the end fed back according to the terminal Aggregate Maximum Bit Rate for receiving the PCF entities Aggregate Maximum Bit Rate used in end；
Second sending module, for the Aggregate Maximum Bit Rate to be sent to access net so that access net is according to institute State the control that Aggregate Maximum Bit Rate carries out the data bit rate of the terminal.
Further, when the label for having the terminal Aggregate Maximum Bit Rate comprising the terminal unit contractual in the solicited message About data when, first sending module includes：
Second transmission unit gives uniform data pipe for when endpoint registration is to network, sending subscription data acquisition request Manage UDM entities；
Second receiving unit, for receive the UDM Entity feedbacks include terminal unit contractual terminal polymerize high specific The subscription data of special rate；
Third transmission unit, for sending the solicited message for establishing terminal contexts comprising the subscription data to PCF Entity.
The embodiment of the present invention provides a kind of access and mobile management function to ps domain entity, including memory, processor and storage On a memory and the computer program that can run on a processor, wherein when the processor executes the computer program Realize the step in above-mentioned bit rate control method.
The embodiment of the present invention provides a kind of bit rate control method, including：
When terminal establishes protocol Data Unit PDU sessions, to policy control functions PCF entity requests establishment strategy and meter Take control PCC sessions；
Give the user plane feedback of status of PDU sessions to PCF entities.
Further, the bit rate control method further includes：
The Aggregate Maximum Bit Rate of the signing of the PDU sessions of acquisition is sent to PCF entities；Wherein,
The Aggregate Maximum Bit Rate of the signing is that conversation management functional SMF entities directly manage UDM from uniform data The Aggregate Maximum Bit Rate of the signing obtained in entity or described is to receive to access and mobile management function to ps domain AMF entities It is sent to SMF entities.
Further, the bit rate control method further includes：
The Aggregate Maximum Bit Rate that PCF entities are sent is received, and the Aggregate Maximum Bit Rate is fed back into access With mobile management function to ps domain AMF entities.
Further, the bit rate control method further includes：
In the user's surface state update for the session that terminal is established, the user of updated session is sent to PCF entities Surface state.
The embodiment of the present invention provides a kind of conversation management functional entity, including：
Request module, for when terminal establishes protocol Data Unit PDU sessions, being asked to policy control functions PCF entities Ask establishment strategy and charging control PCC session；
Second feedback module, for giving the user plane feedback of status of PDU sessions to PCF entities.
Further, the conversation management functional entity further includes：
Third sending module, for the Aggregate Maximum Bit Rate of the signing of the PDU sessions of acquisition to be sent to PCF realities Body；Wherein,
The Aggregate Maximum Bit Rate of the signing is that conversation management functional SMF entities directly manage UDM from uniform data The Aggregate Maximum Bit Rate of the signing obtained in entity or described is to receive to access and mobile management function to ps domain AMF entities It is sent to SMF entities.
Further, the conversation management functional entity further includes：
Third feedback module, the Aggregate Maximum Bit Rate for receiving the transmission of PCF entities, and by the polymerization high specific Special Rate Feedback is to access and mobile management function to ps domain AMF entities.
Further, the conversation management functional entity further includes：
4th sending module when user's surface state of the session for being established in terminal updates, is sent more to PCF entities User's surface state of session after new.
The embodiment of the present invention provides a kind of conversation management functional entity, including memory, processor and is stored in memory Computer program that is upper and can running on a processor, wherein the processor is realized above-mentioned when executing the computer program Bit rate control method in step.
The beneficial effects of the invention are as follows：
Said program passes through the session according to the session of the terminal Aggregate Maximum Bit Rate and activated state of terminal unit contractual Aggregate Maximum Bit Rate determines and obtains the terminal actually Aggregate Maximum Bit Rate that can use, by access net according to institute The control that Aggregate Maximum Bit Rate carries out the data bit rate of terminal is stated, by such realization method, realizes access net to end The control of end data code check ensure that the reliability of network communication.
Description of the drawings
Fig. 1 shows the Organization Charts of NextGen networks；
Fig. 2 indicates the flow diagram of the bit rate control method of the embodiment of the present invention one；
Fig. 3 indicates the specific implementation process schematic of the bit rate control method under the first realization method；
Fig. 4 indicates the specific implementation process schematic of the bit rate control method under second of realization method；
Fig. 5 indicates the module diagram of the policy control functions entity of the embodiment of the present invention two；
Fig. 6 indicates the structural schematic diagram of the policy control functions entity of the embodiment of the present invention three；
Fig. 7 indicates the flow diagram of the bit rate control method of the embodiment of the present invention four；
Fig. 8 shows the module diagrams of the access of the embodiment of the present invention five and mobile management function to ps domain entity；
Fig. 9 indicates the structural schematic diagram of the access and mobile management function to ps domain entity of the embodiment of the present invention six；
Figure 10 indicates the flow diagram of the bit rate control method of the embodiment of the present invention seven；
Figure 11 indicates the module diagram of the conversation management functional entity of the embodiment of the present invention eight；
Figure 12 indicates the structural schematic diagram of the conversation management functional entity of the embodiment of the present invention nine.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, right below in conjunction with the accompanying drawings and the specific embodiments The present invention is described in detail.
The present invention causes access net can not be to terminal for the scheme in the prior art without determining AMBR used in UE Data bit rate is effectively controlled, and there are problems that not ensureing the reliability of network communication, provides a kind of code check controlling party Method, PCF entities, AMF entities and SMF entities.
Embodiment one
As shown in Fig. 2, the embodiment of the present invention provides a kind of bit rate control method, including：
Step 21, in the solicited message for establishing terminal contexts for receiving access and mobile management function to ps domain AMF entities When, the subscription data of the terminal is obtained, the subscription data includes the terminal Aggregate Maximum Bit Rate of the terminal unit contractual；
It should be noted that the bit rate control method of the present embodiment is applied to policy control functions (PCF) entity, terminal exists When being registered to network, the request for initiating to establish terminal contexts from AMF entities to PCF entities is needed, AMF entities are being received When solicited message, PCF entities have just started the determination process of Aggregate Maximum Bit Rate used in terminal (AMBR), this step In, what is obtained first is the terminal Aggregate Maximum Bit Rate (UE-AMBR) of terminal unit contractual, which is typically terminal When being registered to network for the first time, the AMBR with network convention, the UE-AMBR are generally stored inside uniform data storage (UDR) entity In.
Step 22, the session Aggregate Maximum Bit Rate that the terminal is in the session of activated state is obtained；
It should be noted that because terminal is when accessing network, multiple sessions may be established with network, are again every in network Workable AMBR has been arranged in a session, and AMBR workable for each session can influence UE-AMBR used in terminal again, and only There is the session in activated state that can just influence the determination of UE-AMBR, therefore also needs to obtain the meeting in activated state in this step The session Aggregate Maximum Bit Rate (session-AMBR) of words.
Step 23, according to the terminal Aggregate Maximum Bit Rate and the session Aggregate Maximum Bit Rate, institute is determined State Aggregate Maximum Bit Rate used in terminal；
In this step, the UE-AMBR and session-AMBR obtained in direct basis first two steps can determine to obtain terminal AMBR used in reality, specific method of determination are：If the summation of the session-AMBR of all sessions in activated state More than or equal to the UE-AMBR, it is determined that the UE-AMBR is AMBR used in the terminal, otherwise, it determines all places In the session of activated state session-AMBR summation be the terminal used in AMBR；Determining end in this manner AMBR used in end does not exceed the AMBR that network is actually distributed and ensure that net while making full use of Internet resources The stability of network communication.
Step 24, the Aggregate Maximum Bit Rate is fed back into AMF entities so that AMF entities are maximum by the polymerization Bit rate is sent to access net, carries out the data bit rate of the terminal according to the Aggregate Maximum Bit Rate by access net Control.
The embodiment of the present invention, PCF entities pass through according to the session of the UE-AMBR and activated state of terminal unit contractual Session-AMBR is determined and is obtained the AMBR that terminal can actually use, and terminal is being carried out according to the AMBR by access net The control of data bit rate realizes control of the access net to terminal data code check, ensure that network is logical by such realization method The reliability of letter.
Optionally, a kind of realization method of the step 21 of the embodiment of the present invention includes：
It sends subscription data acquisition request and stores UDR entities to uniform data；
It should be noted that because UDR entities are responsible for carrying out subscription data storage, and PCF entities can directly and UDR Entity is communicated, and therefore, PCF entities directly can send subscription data to UDR entities and obtain request, be obtained from UDR entities Take relevant subscription data.
Receive the UDR Entity feedbacks includes the signing number of the terminal Aggregate Maximum Bit Rate of the terminal unit contractual According to.
Because in the present embodiment, after PCF entities receive the solicited message of AMF entities, mainly carrying out the practical institute of terminal The determination for the AMBR that can be used, thus had in subscription data acquired in PCF entities include terminal unit contractual UE-AMBR, It should be noted that whether the subscription data can also include the AMBR of the session of terminal unit contractual, specifically in this communication The AMBR for sending the session of signing, can be configured according to the actual use situation of network, no longer carry out excessive limit herein It is fixed.
In order to reduce the information exchange flow of PCF entities, AMF entities establish the solicited message of terminal contexts sending When, the UE-AMBR of terminal unit contractual can be transmitted directly to PCF entities, therefore, the another kind of the step 21 of the embodiment of the present invention Realization method is：
Acquisition includes that the terminal polymerization of the terminal unit contractual is maximum in the solicited message for establishing terminal contexts The subscription data of bit rate.
In such realization method, PCF entities are when receiving the solicited message of AMF entities, directly in the solicited message The middle subscription data for obtaining the UE-AMBR comprising terminal unit contractual in this way, carried out again with UDR entities without PCF entities Information exchange reduces information exchange flow in PCF entities, while also shortening PCF entities and determining that terminal can actually use The AMBR times.
What needs to be explained here is that because physically there is no the storage relevant subscription data of terminal by AMF, therefore, the AMF is real Body is also required to obtain the subscription data of terminal from ext nal network element, it should be noted that UDR entities are responsible for carrying out subscription data Storage, but AMF entities can not be communicated directly with UDR entities, and include that would generally be set in the network element of UDR entities It is equipped with uniform data management (UDM) entity, which both can directly be communicated with AMF entities, can also be from UDR realities The acquisition of subscription data is carried out in body, therefore, AMF entities obtain the specific of the subscription data of the UE-AMBR comprising terminal unit contractual Realization method is：When endpoint registration is to network, sends subscription data acquisition request and give UDM entities, UDM entities and UDR entities It interacts, gets relevant subscription data, the subscription data is then sent to AMF entities, AMF entities directly receive institute State UDM Entity feedbacks includes the subscription data of the UE-AMBR of terminal unit contractual.
Need bright, PCF may physically be stored with the session status of multiple sessions of terminal, but the meeting of terminal Speech phase is monitored by conversation management functional (SMF) entity, so PCF entities are in activation to obtain which session State, it is necessary to user's surface state of terminal session is obtained from SMF entities, therefore, the embodiment of the present invention, step 22 is specific real Now, including：
Obtain the Aggregate Maximum Bit Rate of the signing for the session that terminal is established；
It should be noted that PCF entities can obtain the aggregate maximum bit speed of the signing of the established session of all terminals The AMBR of rate, the signing of the session can be that SMF entities carry out communication interaction acquisition with UDM entities, can also be by AMF realities Body carries out communication interaction acquisition with UDM entities, and is sent to SMF entities by AMF entities；It should also be noted that, because of the meeting The AMBR of the signing of words can directly be stored in UDR entities, so PCF entities directly carry out communication interaction with UDR entities, from UDR The AMBR of the signing of the session is obtained in entity.
User's surface state of the established session of the terminal is obtained from conversation management functional SMF entities；
The state whether activated because that can record each session of terminal in SMF entities, SMF entities need all meetings timely User's surface state of words informs PCF entities, and specifically, SMF entities can periodically carry out the user of the established session of terminal Surface state reports, or when PCF entities need user's surface state of session, SMF entities are asked further according to PCF entities It asks, the feedback of the user's surface state to conversate.
It should also be noted that, when the update of the user's surface state for the session that terminal is established, PCF entities can also be from SMF User's surface state of updated session is obtained in entity, this is achieved in that, the user plane of session is detected in SMF entities When state changes, user's surface state after the session updates is just sent to PCF entities.
According to user's surface state and the Aggregate Maximum Bit Rate of the signing of the established session of terminal, determine described in User's surface state is the session Aggregate Maximum Bit Rate of the session of activated state.
It should be noted that PCF entities can know which session is to be in the user's surface state for getting session Activated state, the AMBR of the signing of the session of activated state then can be utilized, determines the session-AMBR of activated state, it is optional Ground, PCF entities just get each place after the AMBR for getting each session signing in activated state according to pre-set criteria In the session-AMBR of the session of activated state, it should be noted that the pre-set criteria can be the operator that operator formulates Strategy, for example, the carrier policy is session-s of the AMBR as session of the session for the terminal unit contractual for taking preset percentage AMBR。
It should be noted that the adoptable realization method of step 24 is：
The Aggregate Maximum Bit Rate is transmitted directly to the AMF entities；Or
The Aggregate Maximum Bit Rate is fed back into the AMF entities by SMF entities.
Below in practical applications, to the specific implementation process of the bit rate control method of the embodiment of the present invention illustrate as Under.
One, in such cases, AMF entities are established in PCF in terminal when endpoint registration is to network to PCF entity requests Hereafter, PCF entities obtain the UE-AMBR of terminal unit contractual to UDR entity requests terminal unit contractual data；SMF entities are in terminal When establishing protocol Data Unit (PDU) session, to PCF entities establishment strategy and charging control (PCC) session, PCF entities determine The session-AMBR of the session, and according to the session- of the UE-AMBR and UE of terminal unit contractual the currently active session AMBR determines the AMBR that terminal really uses, and the value of the AMBR is sent to AMF entities by PCF entities, then is sent by AMF entities The code check control of terminal is executed to AN.
As shown in figure 3, main implementation process in such cases is：
Step 31, AMF entities physically establish terminal or more to PCF entity requests when endpoint registration is to network in PCF Text；
Step 32, PCF entities are to UDR entity requests terminal unit contractual data；
It should be noted that in the terminal unit contractual data of acquisition, includes the UE-AMBR of terminal unit contractual, optionally also may be used AMBR with the multiple sessions contracted including UE.It should also be noted that, after this step, if the UE-AMBR of terminal unit contractual has Change, UDR entities can be to the value of the UE-AMBR of the newer signing of PCR entities；Optionally, the session of signing can also be updated The value of AMBR.
Step 33, SMF entities establish PCC sessions when terminal establishes PDU sessions to PCF entity requests；
After the step, if the user plane of the PDU sessions is disconnected or activated, SMF entities can timely feedback the session User's surface state give PCF entities.
Step 34, if current PC F does not preserve terminal physically for the value of the AMBR of session signing, PCR entities Again to UDR entity requests subscription data, the AMBR of session signing is obtained.
The AMBR and carrier policy that PCF entities are contracted according to session determine the session-AMBR that the session uses.This After step, if the AMBR of the session of the terminal unit contractual of terminal unit contractual has altered, UDR entities can update the session to PCF entities AMBR value.
Step 35, PCF entities are according to user's surface states of the UE-AMBR and UE current sessions of terminal unit contractual, and activation The session-AMBR of state session determines that terminal needs AMBR to be used.
Concrete methods of realizing, such as the value of the session-AMBR of the session of state of activation is added, if the value calculated Less than the UE-AMBR of terminal unit contractual, then using this value as AMBR used in terminal, if the value calculated is greater than or equal to eventually The UE-AMBR for holding signing, then using the UE-AMBR of terminal unit contractual as AMBR used in terminal.
Step 36, AMBR used in the terminal determined is sent to AMF entities by PCF entities；
Specifically, it can make that PCF entities are transmitted directly to AMF entities or PCF entities are sent to AMF by SMF entities Entity.
Step 37, AMBR used in terminal is sent to AN by AMF entities；
AN is controlled according to the data bit rate of all non-GBR types of AMBR pairs used in terminal terminal System, if it exceeds the data of the AMBR will be abandoned in AN, to efficiently using for Logistics networks resource.
Two, in such cases, AMF entities are when endpoint registration is to network, to UDM entity requests terminal unit contractual data to The UE-AMBR of terminal unit contractual is obtained, AMF entities establish terminal contexts to PCF entity requests in PCF entities, and by terminal label AMBR about is sent to PCF entities；SMF entities establish PCC sessions when terminal establishes PDU sessions, to PCF entity requests, should Request includes the AMBR of the session of terminal unit contractual, and PCF entities determine the session according to the AMBR of the session received Session-AMBR, and according to the session-AMBR of the UE-AMBR of terminal unit contractual and terminal the currently active session, determine The value of AMBR is sent to AMF entities by the AMBR that terminal really uses, PCF entity, then is sent to AN by AMF entities and is executed terminal Code check control.
As shown in figure 4, main implementation process in such cases is：
Step 41, AMF entities are when endpoint registration is to network, to the requesting terminals UDM subscription data, to obtain terminal label UE-AMBR about；
It should be noted that after this step, if the UE-AMBR of terminal unit contractual has altered, UDM entities can be to AMF entities Update the value of the UE-AMBR of signing.
Step 42, AMF entities establish terminal contexts to PCF entity requests in PCF entities, and AMF entities are in the request UE-AMBR including terminal unit contractual；
It should be noted that after this step, if the UE-AMBR of terminal unit contractual has altered, AMF entities can be to PCF entities Update the value of the UE-AMBR of signing.
Step 43, SMF entities are established PCC sessions to PCF entity requests, are wrapped in the request when terminal establishes PDU sessions Include the AMBR of the session signing of the terminal；
It should be noted that SMF entities can be the AMBR for the session that the terminal unit contractual is directly obtained from UDM entities, It can be the AMBR for the session that AMF entities obtain the terminal unit contractual from UDM entities and SMF entities are sent to by AMF entities； PCF determines the session-AMBR of the session according to the AMBR and carrier policy of the session received.After the step, if should When the user plane of PDU sessions is disconnected or activated, SMF entities can timely feedback user's surface state of the session.After this step, such as The AMBR of the session of fruit terminal has altered, and SMF entities can be to the value of the AMBR of PCF entities more new session.
Step 44, PCF entities are according to user's surface states of the UE-AMBR and UE current sessions of terminal unit contractual, and activation The session-AMBR of state session determines to need AMBR to be used；
Concrete methods of realizing, such as the value of the session-AMBR of the session of state of activation is added, if the value calculated Less than the UE-AMBR of terminal unit contractual, then using this value as AMBR used in terminal, if the value calculated is greater than or equal to eventually The UE-AMBR for holding signing, then using the UE-AMBR of terminal unit contractual as AMBR used in terminal.
Step 45, AMBR used in the terminal determined is sent to AMF entities by PCF entities；
Specifically, it can make that PCF entities are transmitted directly to AMF entities or PCF entities are sent to AMF by SMF entities Entity.
Step 46, AMBR used in terminal is sent to AN by AMF entities；
AN is controlled according to the data bit rate of all non-GBR types of AMBR pairs used in terminal terminal System, if it exceeds the data of the AMBR will be abandoned in AN, to efficiently using for Logistics networks resource.
Solves the sum of the code check of the non-GBR data in NextGen networks to all sessions of entire terminal in the present invention The code check summation of the problem of being controlled, the QoS data stream of all non-GBR types of a terminal is more than used in terminal The part of AMBR can be dropped, and can more effectively be used with Logistics networks resource, ensure that the reliability of network communication.
Embodiment two
As shown in figure 5, the policy control functions entity 50 of the embodiment of the present invention, including：
First acquisition module 51, for establishing terminal or more receive access and mobile management function to ps domain AMF entities When the solicited message of text, the subscription data of the terminal is obtained, the subscription data includes the terminal polymerization of the terminal unit contractual Maximum bit rate；
Second acquisition module 52, the session aggregate maximum bit speed for being in the session of activated state for obtaining the terminal Rate；
Determining module 53, for according to the terminal Aggregate Maximum Bit Rate and session aggregate maximum bit speed Rate determines Aggregate Maximum Bit Rate used in the terminal；
First feedback module 54, for the Aggregate Maximum Bit Rate to be fed back to AMF entities so that AMF entities will The Aggregate Maximum Bit Rate is sent to access net, and the terminal is carried out according to the Aggregate Maximum Bit Rate by access net Data bit rate control.
Further, first acquisition module 51 includes：
First transmission unit stores UDR entities for sending subscription data acquisition request to uniform data；
First receiving unit, for receive the UDR Entity feedbacks include the terminal unit contractual terminal polymerization most The subscription data of big bit rate.
Further, first acquisition module 51 includes：
First acquisition unit includes the terminal label for being obtained in the solicited message for establishing terminal contexts The subscription data of terminal Aggregate Maximum Bit Rate about.
Further, second acquisition module 52 includes：
Second acquisition unit, the Aggregate Maximum Bit Rate of the signing for obtaining the session that terminal is established；
Third acquiring unit, the user for obtaining the established session of the terminal from conversation management functional SMF entities Surface state；
4th acquiring unit, for according to the polymerization of user's surface state and the signing of the established session of terminal maximum Bit rate determines that user's surface state is the session Aggregate Maximum Bit Rate of the session of activated state.
Further, the second acquisition unit is used for：
The Aggregate Maximum Bit Rate of the signing for the session that terminal is established is obtained from SMF entities；Or
The Aggregate Maximum Bit Rate of the signing for the session that terminal is established is obtained from UDR entities.
Optionally, the policy control functions entity further includes：
Third acquisition module obtains when user's surface state of the session for being established in terminal updates from SMF entities User's surface state of updated session.
Further, the determining module 53 is used for：
If the summation of the session Aggregate Maximum Bit Rate of all sessions in activated state is greater than or equal to the terminal Aggregate Maximum Bit Rate, it is determined that the terminal Aggregate Maximum Bit Rate is aggregate maximum bit used in the terminal Rate, otherwise, it determines the summation of the session Aggregate Maximum Bit Rate of all sessions in activated state is made by the terminal Aggregate Maximum Bit Rate.
Further, first feedback module 54 is used for：
The Aggregate Maximum Bit Rate is transmitted directly to the AMF entities；Or
The Aggregate Maximum Bit Rate is fed back into the AMF entities by SMF entities.
It should be noted that the embodiment of the policy control functions entity is one-to-one with above-mentioned embodiment of the method Policy control functions entity, all realization methods are suitable for the implementation of the policy control functions entity in above method embodiment In example, it can also reach identical technique effect.
Embodiment three
As shown in fig. 6, the embodiment of the present invention provides a kind of policy control functions entity, including：
Processor 61；And the memory 63 being connected with the processor 61 by bus interface 62, the memory 63 for storing the used computer program when executing operation of the processor 61, when processor 61 calls and executes described When the computer program stored in memory 63, following process is executed：
In the request for establishing terminal contexts for receiving access and mobile management function to ps domain AMF entities using transceiver 64 When information, the subscription data of the terminal is obtained, the subscription data includes the terminal aggregate maximum bit of the terminal unit contractual Rate；
Obtain the session Aggregate Maximum Bit Rate that the terminal is in the session of activated state；
According to the terminal Aggregate Maximum Bit Rate and the session Aggregate Maximum Bit Rate, the terminal institute is determined The Aggregate Maximum Bit Rate used；
The Aggregate Maximum Bit Rate is fed back into AMF entities by transceiver 64 so that AMF entities are by the polymerization Maximum bit rate is sent to access net, carries out the numeric data code of the terminal according to the Aggregate Maximum Bit Rate by access net The control of rate.
It should be noted that transceiver 64 is connect with bus interface 62, for receiving request under the control of processor 61 Aggregate Maximum Bit Rate used in information and transmission terminal.
Optionally, the processor 61 is also realized：
Subscription data acquisition request, which is sent, by transceiver 64 stores UDR entities to uniform data；
By transceiver 64 receive the UDR Entity feedbacks include the terminal unit contractual terminal aggregate maximum bit The subscription data of rate.
Optionally, the processor 61 is also realized：
Acquisition includes that the terminal polymerization of the terminal unit contractual is maximum in the solicited message for establishing terminal contexts The subscription data of bit rate.
Optionally, the processor 61 is also realized：
Obtain the Aggregate Maximum Bit Rate of the signing for the session that terminal is established；
User's surface state of the established session of the terminal is obtained from conversation management functional SMF entities；
According to user's surface state and the Aggregate Maximum Bit Rate of the signing of the established session of terminal, determine described in User's surface state is the session Aggregate Maximum Bit Rate of the session of activated state.
Optionally, the processor 61 is also realized：
The Aggregate Maximum Bit Rate of the signing for the session that terminal is established is obtained from SMF entities；Or
The Aggregate Maximum Bit Rate of the signing for the session that terminal is established is obtained from UDR entities.
Optionally, the processor 61 is also realized：
In the user's surface state update for the session that terminal is established, the use of updated session is obtained from SMF entities Family surface state.
Optionally, the processor 61 is also realized：
If the summation of the session Aggregate Maximum Bit Rate of all sessions in activated state is greater than or equal to the terminal Aggregate Maximum Bit Rate, it is determined that the terminal Aggregate Maximum Bit Rate is aggregate maximum bit used in the terminal Rate, otherwise, it determines the summation of the session Aggregate Maximum Bit Rate of all sessions in activated state is made by the terminal Aggregate Maximum Bit Rate.
Optionally, the processor 61 is also realized：
The Aggregate Maximum Bit Rate is transmitted directly to the AMF entities by transceiver 64；Or
The Aggregate Maximum Bit Rate is fed back into the AMF entities by SMF entities.
It should be noted that in figure 6, bus architecture may include the bus and bridge of any number of interconnection, specifically by The various circuits for the memory that the one or more processors and memory 63 that processor 61 represents represent link together.Bus Framework can also link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, These are all it is known in the art, and therefore, it will not be further described herein.Bus interface provides interface.Transmitting-receiving Machine 64 can be multiple element, that is, include transmitter and transceiver, provide for logical with various other devices over a transmission medium The unit of letter.Processor 61 is responsible for bus architecture and common processing, and memory 63 can store processor 61 and execute Used data when operation.
It will be understood by those skilled in the art that realize above-described embodiment all or part of step can by hardware come It completes, relevant hardware can also be indicated by computer program to complete, the computer program includes executing above-mentioned side The instruction of some or all of step of method；And the computer program can be stored in a readable storage medium storing program for executing, storage medium It can be any type of storage medium.
Example IV
As shown in fig. 7, the embodiment of the present invention provides a kind of bit rate control method, including：
Step 71, when endpoint registration is to network, the solicited message for establishing terminal contexts is sent to policy control functions PCF entities；
Step 72, receive the PCF entities is made according to the terminal that the terminal Aggregate Maximum Bit Rate is fed back Aggregate Maximum Bit Rate；
Step 73, the Aggregate Maximum Bit Rate is sent to access net so that access net is according to polymerization maximum Bit rate carries out the control of the data bit rate of the terminal.
Optionally, when the signing for having the terminal Aggregate Maximum Bit Rate comprising the terminal unit contractual in the solicited message When data, the specific implementation of the step 71 is：
When endpoint registration is to network, sends subscription data acquisition request and manage UDM entities to uniform data；
Receive the UDM Entity feedbacks includes the subscription data of the terminal Aggregate Maximum Bit Rate of terminal unit contractual；
It sends the solicited message for establishing terminal contexts comprising the subscription data and gives PCF entities.
Wherein, in above-described embodiment one, the description of all about access and mobile management function to ps domain entity, being suitable for should Applied to accessing in the embodiment of the bit rate control method of mobile management function to ps domain entity, it can also reach same technology Effect.
Embodiment five
As shown in figure 8, a kind of access of offer of the embodiment of the present invention and mobile management function to ps domain entity 80, including：
First sending module 81, for when endpoint registration is to network, transmission establish the solicited messages of terminal contexts to Policy control functions PCF entities；
Receiving module 82, for receiving the PCF entities according to described in terminal Aggregate Maximum Bit Rate feedback Aggregate Maximum Bit Rate used in terminal；
Second sending module 83, for the Aggregate Maximum Bit Rate to be sent to access net so that access net according to The Aggregate Maximum Bit Rate carries out the control of the data bit rate of the terminal.
Optionally, when the signing for having the terminal Aggregate Maximum Bit Rate comprising the terminal unit contractual in the solicited message When data, first sending module 81 includes：
Second transmission unit gives uniform data pipe for when endpoint registration is to network, sending subscription data acquisition request Manage UDM entities；
Second receiving unit, for receive the UDM Entity feedbacks include terminal unit contractual terminal polymerize high specific The subscription data of special rate；
Third transmission unit, for sending the solicited message for establishing terminal contexts comprising the subscription data to PCF Entity.
It should be noted that the embodiment of the access and mobile management function to ps domain entity is and above-mentioned embodiment of the method one One corresponding access and mobile management function to ps domain entity, in above method embodiment all realization methods be suitable for the access and In the embodiment of mobile management function to ps domain entity, it can also reach identical technique effect.
Embodiment six
As shown in figure 9, a kind of access of offer of the embodiment of the present invention and mobile management function to ps domain entity, including：
Processor 91；And the memory 93 being connected with the processor 91 by bus interface 92, the memory 93 for storing the used computer program when executing operation of the processor 91, when processor 91 calls and executes described When the computer program stored in memory 93, following process is executed：
When endpoint registration is to network, the solicited message for establishing terminal contexts is sent to policy control by transceiver 94 Function PCF entities；
The terminal that the PCF entities are fed back according to the terminal Aggregate Maximum Bit Rate is received by transceiver 94 Used Aggregate Maximum Bit Rate；
The Aggregate Maximum Bit Rate is sent to access net by transceiver 94 so that access net is according to the polymerization Maximum bit rate carries out the control of the data bit rate of the terminal.
It should be noted that transceiver 94 is connect with bus interface 92, for sending request under the control of processor 91 Aggregate Maximum Bit Rate used in the terminal of information and Aggregate Maximum Bit Rate and reception PCF Entity feedbacks.
When there is the subscription data of the terminal Aggregate Maximum Bit Rate comprising the terminal unit contractual in the solicited message, The processor 91 is additionally operable to execute following process：
When endpoint registration is to network, sends subscription data acquisition request and manage UDM entities to uniform data；
Receive the UDM Entity feedbacks includes the subscription data of the terminal Aggregate Maximum Bit Rate of terminal unit contractual；
It sends the solicited message for establishing terminal contexts comprising the subscription data and gives PCF entities.
It should be noted that in fig.9, bus architecture may include the bus and bridge of any number of interconnection, specifically by The various circuits for the memory that the one or more processors and memory 93 that processor 91 represents represent link together.Bus Framework can also link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, These are all it is known in the art, and therefore, it will not be further described herein.Bus interface provides interface.Transmitting-receiving Machine 94 can be multiple element, that is, include transmitter and transceiver, provide for logical with various other devices over a transmission medium The unit of letter.Processor 91 is responsible for bus architecture and common processing, and memory 93 can store processor 91 and execute Used data when operation.
It will be understood by those skilled in the art that realize above-described embodiment all or part of step can by hardware come It completes, relevant hardware can also be indicated by computer program to complete, the computer program includes executing above-mentioned side The instruction of some or all of step of method；And the computer program can be stored in a readable storage medium storing program for executing, storage medium It can be any type of storage medium.
Embodiment seven
As shown in Figure 10, the embodiment of the present invention provides a kind of bit rate control method, including：
Step 101, it when terminal establishes protocol Data Unit PDU sessions, is established to policy control functions PCF entity requests Strategy and charging control PCC session；
Step 102, the user plane feedback of status of PDU sessions is given to PCF entities.
Optionally, the bit rate control method further includes：
The Aggregate Maximum Bit Rate of the signing of the PDU sessions of acquisition is sent to PCF entities；Wherein,
The Aggregate Maximum Bit Rate of the signing is that conversation management functional SMF entities directly manage UDM from uniform data The Aggregate Maximum Bit Rate of the signing obtained in entity or described is to receive to access and mobile management function to ps domain AMF entities It is sent to SMF entities.
Optionally, the bit rate control method further includes：
The Aggregate Maximum Bit Rate that PCF entities are sent is received, and the Aggregate Maximum Bit Rate is fed back into access With mobile management function to ps domain AMF entities.
Optionally, the bit rate control method further includes：
In the user's surface state update for the session that terminal is established, the user of updated session is sent to PCF entities Surface state.
Wherein, in above-described embodiment one, the description of all about conversation management functional entity is suitable for that meeting should be applied to In the embodiment for talking about the bit rate control method of management function entity, it can also reach same technique effect.
Embodiment eight
As shown in figure 11, the embodiment of the present invention provides a kind of conversation management functional entity 110, including：
Request module 111, for when terminal establishes protocol Data Unit PDU sessions, to policy control functions PCF entities Ask establishment strategy and charging control PCC session；
Second feedback module 112, for giving the user plane feedback of status of PDU sessions to PCF entities.
Optionally, the conversation management functional entity 110 further includes：
Third sending module, for the Aggregate Maximum Bit Rate of the signing of the PDU sessions of acquisition to be sent to PCF realities Body；Wherein,
The Aggregate Maximum Bit Rate of the signing is that conversation management functional SMF entities directly manage UDM from uniform data The Aggregate Maximum Bit Rate of the signing obtained in entity or described is to receive to access and mobile management function to ps domain AMF entities It is sent to SMF entities.
Optionally, the conversation management functional entity 110 further includes：
Third feedback module, the Aggregate Maximum Bit Rate for receiving the transmission of PCF entities, and by the polymerization high specific Special Rate Feedback is to access and mobile management function to ps domain AMF entities.
Optionally, the conversation management functional entity 110 further includes：
4th sending module when user's surface state of the session for being established in terminal updates, is sent more to PCF entities User's surface state of session after new.
It should be noted that the embodiment of the conversation management functional entity is one-to-one with above-mentioned embodiment of the method Conversation management functional entity, all realization methods are suitable for the implementation of the conversation management functional entity in above method embodiment In example, it can also reach identical technique effect.
Embodiment nine
As shown in figure 12, the embodiment of the present invention provides a kind of conversation management functional entity, including：
Processor 121；And the memory 123 being connected with the processor 121 by bus interface 122, it is described to deposit Reservoir 123 is for storing the used computer program when executing operation of the processor 121, when processor 121 calls simultaneously When executing the computer program stored in the memory 123, following process is executed：
When terminal establishes protocol Data Unit PDU sessions, to policy control functions PCF entity requests establishment strategy and meter Take control PCC sessions；
The user plane feedback of status of PDU sessions is given to PCF entities by transceiver 124.
It should be noted that transceiver 124 is connect with bus interface 122, for sending meeting under the control of processor 121 Words establish request.
Optionally, the processor 121 is additionally operable to execute following process：
The Aggregate Maximum Bit Rate of the signing of the PDU sessions of acquisition is sent to PCF entities；Wherein,
The Aggregate Maximum Bit Rate of the signing is that conversation management functional SMF entities directly manage UDM from uniform data The Aggregate Maximum Bit Rate of the signing obtained in entity or described is to receive to access and mobile management function to ps domain AMF entities It is sent to SMF entities.
Optionally, the processor 121 is additionally operable to execute following process：
The Aggregate Maximum Bit Rate that PCF entities are sent is received by transceiver 124, and the aggregate maximum bit is fast Rate feeds back to access and mobile management function to ps domain AMF entities.
Optionally, the processor 121 is additionally operable to execute following process：
In the user's surface state update for the session that terminal is established, the user of updated session is sent to PCF entities Surface state.
It should be noted that in fig. 12, bus architecture may include the bus and bridge of any number of interconnection, specifically by The various circuits for the memory that the one or more processors and memory 123 that processor 121 represents represent link together.Always Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can also be linked at one by line architecture It rises, these are all it is known in the art, and therefore, it will not be further described herein.Bus interface provides interface.It receives Hair machine 124 can be multiple element, that is, include transmitter and transceiver, provide for over a transmission medium with various other devices The unit of communication.Processor 121 is responsible for bus architecture and common processing, and memory 123 can store processor 121 and exist Execute used data when operation.
It will be understood by those skilled in the art that realize above-described embodiment all or part of step can by hardware come It completes, relevant hardware can also be indicated by computer program to complete, the computer program includes executing above-mentioned side The instruction of some or all of step of method；And the computer program can be stored in a readable storage medium storing program for executing, storage medium It can be any type of storage medium.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist In protection scope of the present invention.

Claims (31)

1. a kind of bit rate control method, which is characterized in that including：
When receiving the solicited message for establishing terminal contexts of access and mobile management function to ps domain AMF entities, described in acquisition The subscription data of terminal, the subscription data include the terminal Aggregate Maximum Bit Rate of the terminal unit contractual；
Obtain the session Aggregate Maximum Bit Rate that the terminal is in the session of activated state；
According to the terminal Aggregate Maximum Bit Rate and the session Aggregate Maximum Bit Rate, determine that the terminal is used Aggregate Maximum Bit Rate；
The Aggregate Maximum Bit Rate is fed back into AMF entities so that AMF entities send the Aggregate Maximum Bit Rate Access net is given, carries out the control of the data bit rate of the terminal according to the Aggregate Maximum Bit Rate by access net.
2. bit rate control method according to claim 1, which is characterized in that the subscription data for obtaining the terminal Step includes：
It sends subscription data acquisition request and stores UDR entities to uniform data；
Receive the UDR Entity feedbacks includes the subscription data of the terminal Aggregate Maximum Bit Rate of the terminal unit contractual.
3. bit rate control method according to claim 1, which is characterized in that the subscription data for obtaining the terminal Step includes：
Acquisition includes the terminal aggregate maximum bit of the terminal unit contractual in the solicited message for establishing terminal contexts The subscription data of rate.
4. bit rate control method according to claim 1, which is characterized in that the acquisition terminal is in activated state The step of session Aggregate Maximum Bit Rate of session includes：
Obtain the Aggregate Maximum Bit Rate of the signing for the session that terminal is established；
User's surface state of the established session of the terminal is obtained from conversation management functional SMF entities；
According to user's surface state and the Aggregate Maximum Bit Rate of the signing of the established session of terminal, the user is determined Surface state is the session Aggregate Maximum Bit Rate of the session of activated state.
5. bit rate control method according to claim 4, which is characterized in that the label for obtaining the session that terminal is established The step of Aggregate Maximum Bit Rate about includes：
The Aggregate Maximum Bit Rate of the signing for the session that terminal is established is obtained from SMF entities；Or
The Aggregate Maximum Bit Rate of the signing for the session that terminal is established is obtained from UDR entities.
6. bit rate control method according to claim 4, which is characterized in that further include：
In the user's surface state update for the session that terminal is established, the user plane of updated session is obtained from SMF entities State.
7. bit rate control method according to claim 1, which is characterized in that described according to the terminal aggregate maximum bit Rate and the session Aggregate Maximum Bit Rate, the step of determining Aggregate Maximum Bit Rate used in the terminal, wrap It includes：
If the summation of the session Aggregate Maximum Bit Rate of all sessions in activated state polymerize more than or equal to the terminal Maximum bit rate, it is determined that the terminal Aggregate Maximum Bit Rate is aggregate maximum bit speed used in the terminal Rate, otherwise, it determines the summation of the session Aggregate Maximum Bit Rate of all sessions in activated state is used by the terminal Aggregate Maximum Bit Rate.
8. bit rate control method according to claim 1, which is characterized in that described that the Aggregate Maximum Bit Rate is anti- Feed AMF entities the step of include：
The Aggregate Maximum Bit Rate is transmitted directly to the AMF entities；Or
The Aggregate Maximum Bit Rate is fed back into the AMF entities by SMF entities.
9. a kind of policy control functions entity, which is characterized in that including：
First acquisition module, for establishing asking for terminal contexts receive access and mobile management function to ps domain AMF entities When seeking information, the subscription data of the terminal is obtained, the subscription data includes the terminal polymerization high specific of the terminal unit contractual Special rate；
Second acquisition module, the session Aggregate Maximum Bit Rate for being in the session of activated state for obtaining the terminal；
Determining module, for according to the terminal Aggregate Maximum Bit Rate and the session Aggregate Maximum Bit Rate, determining Aggregate Maximum Bit Rate used in the terminal；
First feedback module, for the Aggregate Maximum Bit Rate to be fed back to AMF entities so that AMF entities will be described poly- It closes maximum bit rate and is sent to access net, carry out the data of the terminal according to the Aggregate Maximum Bit Rate by access net The control of code check.
10. policy control functions entity according to claim 9, which is characterized in that first acquisition module includes：
First transmission unit stores UDR entities for sending subscription data acquisition request to uniform data；
First receiving unit, for receive the UDR Entity feedbacks include the terminal unit contractual terminal polymerize high specific The subscription data of special rate.
11. policy control functions entity according to claim 9, which is characterized in that first acquisition module includes：
First acquisition unit includes the terminal unit contractual for being obtained in the solicited message for establishing terminal contexts The subscription data of terminal Aggregate Maximum Bit Rate.
12. policy control functions entity according to claim 9, which is characterized in that second acquisition module includes：
Second acquisition unit, the Aggregate Maximum Bit Rate of the signing for obtaining the session that terminal is established；
Third acquiring unit, user's planar for obtaining the established session of the terminal from conversation management functional SMF entities State；
4th acquiring unit, for the aggregate maximum bit according to user's surface state and the signing of the established session of terminal Rate determines that user's surface state is the session Aggregate Maximum Bit Rate of the session of activated state.
13. policy control functions entity according to claim 12, which is characterized in that the second acquisition unit is used for：
The Aggregate Maximum Bit Rate of the signing for the session that terminal is established is obtained from SMF entities；Or
The Aggregate Maximum Bit Rate of the signing for the session that terminal is established is obtained from UDR entities.
14. policy control functions entity according to claim 12, which is characterized in that further include：
Third acquisition module when user's surface state of the session for being established in terminal updates, obtains update from SMF entities User's surface state of session afterwards.
15. policy control functions entity according to claim 9, which is characterized in that the determining module is used for：
If the summation of the session Aggregate Maximum Bit Rate of all sessions in activated state polymerize more than or equal to the terminal Maximum bit rate, it is determined that the terminal Aggregate Maximum Bit Rate is aggregate maximum bit speed used in the terminal Rate, otherwise, it determines the summation of the session Aggregate Maximum Bit Rate of all sessions in activated state is used by the terminal Aggregate Maximum Bit Rate.
16. policy control functions entity according to claim 9, which is characterized in that first feedback module is used for：
The Aggregate Maximum Bit Rate is transmitted directly to the AMF entities；Or
The Aggregate Maximum Bit Rate is fed back into the AMF entities by SMF entities.
17. a kind of policy control functions entity, including memory, processor and storage can transport on a memory and on a processor Capable computer program, which is characterized in that the processor realizes such as claim 1~8 times when executing the computer program The step in bit rate control method described in one.
18. a kind of bit rate control method, which is characterized in that including：
When endpoint registration is to network, the solicited message that terminal contexts are established in transmission gives policy control functions PCF entities；
It receives and polymerize maximum used in the terminal that the PCF entities are fed back according to the terminal Aggregate Maximum Bit Rate Bit rate；
The Aggregate Maximum Bit Rate is sent to access net so that access net is carried out according to the Aggregate Maximum Bit Rate The control of the data bit rate of the terminal.
19. bit rate control method according to claim 18, which is characterized in that when having in the solicited message comprising described It is described when endpoint registration is to network when the subscription data of the terminal Aggregate Maximum Bit Rate of terminal unit contractual, it sends and establishes eventually End context solicited message include to the step of policy control functions PCF entities：
When endpoint registration is to network, sends subscription data acquisition request and manage UDM entities to uniform data；
Receive the UDM Entity feedbacks includes the subscription data of the terminal Aggregate Maximum Bit Rate of terminal unit contractual；
It sends the solicited message for establishing terminal contexts comprising the subscription data and gives PCF entities.
20. a kind of access and mobile management function to ps domain entity, which is characterized in that including：
First sending module, for when endpoint registration is to network, sending the solicited message for establishing terminal contexts to tactful control Function PCF entities processed；
Receiving module, the terminal institute fed back according to the terminal Aggregate Maximum Bit Rate for receiving the PCF entities The Aggregate Maximum Bit Rate used；
Second sending module, for the Aggregate Maximum Bit Rate to be sent to access net so that access net is according to described poly- Close the control that maximum bit rate carries out the data bit rate of the terminal.
21. access according to claim 20 and mobile management function to ps domain entity, which is characterized in that when the solicited message In when having the subscription data of the terminal Aggregate Maximum Bit Rate comprising the terminal unit contractual, first sending module includes：
Second transmission unit manages UDM for when endpoint registration is to network, sending subscription data acquisition request to uniform data Entity；
Second receiving unit, for receive the UDM Entity feedbacks include terminal unit contractual terminal aggregate maximum bit speed The subscription data of rate；
Third transmission unit gives PCF entities for sending the solicited message for establishing terminal contexts comprising the subscription data.
22. a kind of access and mobile management function to ps domain entity, including memory, processor and storage on a memory and can located The computer program run on reason device, which is characterized in that realized when the processor executes the computer program as right is wanted Seek the step in the bit rate control method described in 18 or 19.
23. a kind of bit rate control method, which is characterized in that including：
When terminal establishes protocol Data Unit PDU sessions, to policy control functions PCF entity requests establishment strategy and charging control PCC sessions processed；
Give the user plane feedback of status of PDU sessions to PCF entities.
24. bit rate control method according to claim 23, which is characterized in that further include：
The Aggregate Maximum Bit Rate of the signing of the PDU sessions of acquisition is sent to PCF entities；Wherein,
The Aggregate Maximum Bit Rate of the signing is that conversation management functional SMF entities directly manage UDM entities from uniform data The Aggregate Maximum Bit Rate of middle acquisition the or described signing is to receive to access to send with mobile management function to ps domain AMF entities To SMF entities.
25. bit rate control method according to claim 23, which is characterized in that further include：
The Aggregate Maximum Bit Rate that PCF entities are sent is received, and the Aggregate Maximum Bit Rate is fed back into access and shifting Mobility management function AMF entities.
26. bit rate control method according to claim 23, which is characterized in that further include：
In the user's surface state update for the session that terminal is established, user's planar of updated session is sent to PCF entities State.
27. a kind of conversation management functional entity, which is characterized in that including：
Request module, for when terminal establishes protocol Data Unit PDU sessions, being built to policy control functions PCF entity requests Vertical strategy and charging control PCC session；
Second feedback module, for giving the user plane feedback of status of PDU sessions to PCF entities.
28. conversation management functional entity according to claim 27, which is characterized in that further include：
Third sending module, for the Aggregate Maximum Bit Rate of the signing of the PDU sessions of acquisition to be sent to PCF entities；Its In,
The Aggregate Maximum Bit Rate of the signing is that conversation management functional SMF entities directly manage UDM entities from uniform data The Aggregate Maximum Bit Rate of middle acquisition the or described signing is to receive to access to send with mobile management function to ps domain AMF entities To SMF entities.
29. conversation management functional entity according to claim 27, which is characterized in that further include：
Third feedback module, the Aggregate Maximum Bit Rate for receiving the transmission of PCF entities, and the aggregate maximum bit is fast Rate feeds back to access and mobile management function to ps domain AMF entities.
30. conversation management functional entity according to claim 27, which is characterized in that further include：
4th sending module, when user's surface state of the session for being established in terminal updates, after sending update to PCF entities Session user's surface state.
31. a kind of conversation management functional entity, including memory, processor and storage can transport on a memory and on a processor Capable computer program, which is characterized in that the processor realizes such as claim 23~26 when executing the computer program Step in any one of them bit rate control method.
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