CN104144128A - Method for controlling network congestion and load perception function - Google Patents
Method for controlling network congestion and load perception function Download PDFInfo
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- CN104144128A CN104144128A CN201310172929.8A CN201310172929A CN104144128A CN 104144128 A CN104144128 A CN 104144128A CN 201310172929 A CN201310172929 A CN 201310172929A CN 104144128 A CN104144128 A CN 104144128A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/24—Accounting or billing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/66—Policy and charging system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/80—Rating or billing plans; Tariff determination aspects
- H04M15/8027—Rating or billing plans; Tariff determination aspects based on network load situation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/80—Rating or billing plans; Tariff determination aspects
- H04M15/8033—Rating or billing plans; Tariff determination aspects location-dependent, e.g. business or home
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a method for controlling network congestion and a load perception function, and the method and the load perception function are applied to a wireless communication network. The method for controlling network congestion comprises the steps that user position information and user identifications are obtained by the load perception function from an ANDSF or user equipment, and the load perception function determines the congestion state of a cell which is used by a user according to the user position information, the user identifications and congestion judging information obtained from an access network device. The load perception function is used for judging the congestion state of the cell which is used by the user according to the congestion judging information, the user position information and the user identifications, so that when congestion of the cell happens, a PCRF is notified to carry out congestion management on service which is carried out by the user in the cell, or the user equipment in the cell is notified to unload the service which is carried out, network load is reduced, and network congestion is reduced.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method and Load-Aware function of controlling network congestion.
Background technology
Third generation partner program (3GPP, 3rd Generation Partnership Project) define strategy and charging control architecture (PCC for mobile network, Policy and Charging Control), as shown in Figure 1, each entity function is described as follows:
PCRF (Policy and Charging Rules Function, "Policy and Charging Rules Function) business data flow that contains for business packet uses Internet resources to formulate resource control strategy in transmitting procedure, comprise QoS (Quality of Service, service quality) control strategy and charging control strategy.
PCEF (Policy and Charging Enforcement Function, strategy and charge execution function) for carrying out PCRF issues or the upper pre-configured PCC rule of PCEF, IP message to transmission over networks detects, identify the business data flow that this IP message is subordinate to, and provide QoS and charging control to business data flow.
BBERF (Bearer Binding and Event Report Function, bearing binding and reporting events function) is mainly used in the IP message of transmission over networks to detect, and IP message is mapped on corresponding bearer path according to rule.BBERF also carries out carrying the reporting of dependent event, and for example, when carrying is lost, or when access network occurs switching, all needs corresponding reporting events to PCRF, and request PCRF carries out corresponding decision-making.
SPR (Subscription Profile Repository, user-subscribed database), for preserving the signing business information of user, provides necessary user signing contract information for PCRF works out PCC rule.OCS (Online Charging System, Online Charging System) and OFCS (Offline Charging System, off-line accounting system) are respectively used to off-line and online charging.
PCC framework is as follows to the principle of the service implementation policy control of transmitting on bearer network:
In the time that subscriber equipment is attached to network, select corresponding BBERF, PCEF and PCRF.Between PCRF and BBERF, set up respectively gateway control session, and PCEF sets up IP-CAN session, and set up gateway control session and IP-CAN session association according to information such as user ID.
In the time that user commences business, business information that application layer that PCRF provides according to AF is consulted, user signing contract information, carrier policy etc. are worked out corresponding QoS and charging control strategy for business data flow corresponding to business, the information such as five-tuple, mandate bandwidth that comprises business data flow.PCRF is handed down to BBERF by QoS control strategy with QoS rule, and QoS and charging control strategy are handed down to PCEF with PCC rule.BBERF sets up the binding of QoS rule and carrying.In the time that IP message arrives PCEF, BBERF, use corresponding carrying to transmit first according to the five-tuple Match IP message in rule, and by the IP message of coupling, and carry out corresponding charging, to realize the effective control to business.When business is carried out in process, there is business information change, for example stop a certain business data flow, control and just can discharge in real time the shared Internet resources of this business data flow by PCC, reach the object of business being carried out to dynamic QoS control.
Along with network fast development, the appearance of the abundant and intelligent terminal of business, a large number of users starts to access various data services by intelligent terminal access network, such as web page browsing, game on line, shopping online, watches video etc.This has driven network traffic data sharp increase, and this not only can increase network load greatly, even causes network congestion, and this will certainly cause user to experience decline.Therefore this has brought charge and challenge to network operation.How to solve network congestion, alleviate network load and just more and more receive operator's concern and pay attention to.
Alleviate network load, reduce network congestion and can invest by increase, dilatation network, but this can increase great amount of cost.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method and Load-Aware function of controlling network congestion, can, without dilatation network in the situation that, alleviate network load, reduces network congestion.
For solving the problems of the technologies described above, a kind of method of controlling network congestion of the present invention, is applied in cordless communication network, and the method comprises:
Load-Aware function obtains customer position information and user ID from access network discovery and selection function ANDSF or subscriber equipment;
Described Load-Aware function is determined the congestion state of community that user uses according to described customer position information, user ID and the congested judgement information that obtains from access network equipment.
Further, described Load-Aware function is after determining the congestion state of community that user uses, and the method also comprises:
Described Load-Aware function sends the congestion state of community that described user uses to "Policy and Charging Rules Function PCRF corresponding to user, as congested in community that user uses generation, and described PCRF decision-making also issues congestion management strategy to strategy execution equipment; Or
Described Load-Aware function sends the congestion state of community that described user uses to subscriber equipment corresponding to user, as congested in community that user uses generation, and described subscriber equipment is to the local unloading of the initiation of services of carrying out.
Further, described Load-Aware function obtains customer position information and user ID from ANDSF, comprising:
Described ANDSF receives customer position information and the user ID of user equipment to report, and customer position information and user ID are reported to described Load-Aware function; Or,
Described ANDSF obtains user's IP address and user ID from gateway or PCRF, receive customer position information and user's IP address from subscriber equipment, obtain user's customer position information and the corresponding relation of user ID, and customer position information and user ID are reported to described Load-Aware function.
Further, also comprise:
As described in customer position information adopt the cell ID of community that user uses, the cell ID of preservation community that user uses corresponding to described Load-Aware function and user's user ID;
As described in customer position information do not adopt the cell ID of community that user uses, described Load-Aware function obtains the cell ID of community that user uses, the cell ID of corresponding preservation community that user uses and user's user ID according to user's customer position information judgement.
Further, describedly congestedly judge that information is the flow information of community or the congestion state of community.
Further, Load-Aware function obtains described congested judgement information from access network equipment, comprising:
Described Load-Aware function regularly receives the flow information of all communities and the cell ID of respective cell from access network equipment, determines the congestion state of wireless access community according to flow information; Or, receive described access network equipment from access network equipment and judge the congestion state of wireless access community and the cell ID of respective cell that obtain according to flow information.
Further, described Load-Aware function is determined the congestion state of community that user uses according to described customer position information, user ID and the congested judgement information that obtains from access network equipment, the congestion state that sends community that described user uses to PCRF corresponding to user or subscriber equipment, comprising:
Described Load-Aware function is obtaining after the congestion state of wireless access community, determine congested community occurs, and according to customer position information and user ID, there is the user under congested community in judgement, as user is occurring under congested community, send the congestion state of community that described user uses to PCRF corresponding to user or subscriber equipment.
Further, described Load-Aware function is determined the congestion state of community that user uses according to described customer position information, user ID and the congested judgement information that obtains from access network equipment, the congestion state that sends community that described user uses to PCRF corresponding to user, comprising:
Described Load-Aware function receives the request message that PCRF sends, determine the congestion state of community that user uses according to the congestion state of the user ID in the user ID of carrying in request message and Load-Aware function, customer position information and wireless access community, and return to described PCRF.
Further, described Load-Aware function is determined the congestion state of community that user uses according to described customer position information, user ID and the congested judgement information that obtains from access network equipment, the congestion state that sends community that described user uses to PCRF corresponding to user, comprising:
Described Load-Aware function receives the request message that PCRF sends, determine the cell ID of community that user uses according to the user ID of carrying in request message, obtain the flow information of community that user uses from access network equipment according to cell ID, judge the congestion state of community that user uses according to flow information, and return to described PCRF.
Further, described PCRF decision-making also issues congestion management strategy to strategy execution equipment, comprising:
The type of service that described PCRF commences business according to described user judges when this business is non real-time class business, refuses carrying out of business; Or, according to user's CAMEL-Subscription-Information and/or carrier policy, to initiation of services limit bandwidth.
Further, described Load-Aware function is the congestion state that sends community that described user uses by described ANDSF to subscriber equipment corresponding to user, and described ANDSF other network of network information that user can be accessed send to described subscriber equipment;
Described subscriber equipment, to the local unloading of the initiation of services of carrying out, comprising: other network of network information and executing access networks that described subscriber equipment can access according to user are selected, and select other network insertions, commence business by the network of selecting.
Further, a kind of Load-Aware function, is applied in cordless communication network, comprising: first information unit and congested determining unit, wherein:
Described first information unit, for obtaining customer position information and user ID from access network discovery and selection function ANDSF or subscriber equipment;
Described congested determining unit, for determining the congestion state of community that user uses according to described customer position information, user ID and the congested judgement information that obtains from access network equipment.
Further, described congested determining unit, also for after determining the congestion state of community that user uses, send the congestion state of community that described user uses to "Policy and Charging Rules Function PCRF corresponding to user, as congested in community that user uses generation, described PCRF decision-making also issues congestion management strategy to strategy execution equipment; Or send the congestion state of community that described user uses to subscriber equipment corresponding to user, as congested in community that user uses generation, described subscriber equipment is to the local unloading of the initiation of services of carrying out.
Further, described first information unit, the customer position information and the user ID that report specifically for receiving ANDSF, described customer position information and user ID are that user equipment to report is given described ANDSF; Or described ANDSF obtains user's IP address and user ID from gateway or PCRF, receive customer position information and user's IP address from subscriber equipment, obtain user's customer position information and the corresponding relation of user ID.
Further, described first information unit, also in the time that described customer position information adopts the cell ID of community that user uses, the cell ID of corresponding preservation community that user uses and user's user ID; In the time that described customer position information does not adopt the cell ID of community that user uses, obtain the cell ID of community that user uses according to user's customer position information judgement, the cell ID of corresponding preservation community that user uses and user's user ID.
Further, describedly congestedly judge that information is the flow information of community or the congestion state of community.
Further, also comprise the second information unit, wherein:
Described the second information unit, for regularly receiving the flow information of all communities and the cell ID of respective cell from access network equipment, determines the congestion state of wireless access community according to flow information; Or, receive described access network equipment from access network equipment and judge the congestion state of wireless access community and the cell ID of respective cell that obtain according to flow information.
Further, described congested determining unit, specifically for obtaining after the congestion state of wireless access community at described the second information unit, determine congested community occurs, and according to customer position information and user ID, there is the user under congested community in judgement, as user is occurring under congested community, sends the congestion state of community that described user uses to PCRF corresponding to user or subscriber equipment.
Further, described congested determining unit, the request message sending specifically for receiving PCRF, determine the congestion state of community that user uses according to the congestion state of the wireless access community on the user ID on the user ID of carrying in request message, first information unit and customer position information and the second information unit, and return to described PCRF.
Further, described congested determining unit, the request message sending specifically for receiving PCRF, determine the cell ID of community that user uses according to the user ID of carrying in request message, obtain the flow information of community that user uses from access network equipment according to cell ID, judge the congestion state of community that user uses according to flow information, and return to described PCRF.
In sum, the present invention judges the congestion state of community that user uses according to congested judgement information, customer position information and user ID by Load-Aware function, thereby occur in community when congested, the business that notice PCRF carries out the user in community is carried out congestion management, or the subscriber equipment in notifying cell unloads the business of carrying out, thereby alleviate network load, reduce network congestion.
Brief description of the drawings
Fig. 1 is the PCC Organization Chart of prior art;
Fig. 2 is the flow chart of the embodiment of the method 1 of control network congestion of the present invention;
Fig. 3 is the flow chart of the embodiment of the method 2 of control network congestion of the present invention;
Fig. 4 is the flow chart of the embodiment of the method 3 of control network congestion of the present invention;
Fig. 5 is the flow chart of the embodiment of the method 4 of control network congestion of the present invention;
Fig. 6 is the Organization Chart of the Load-Aware function of embodiment of the present invention.
Embodiment
In present embodiment, existing network is introduced to Congestion Managment, reach prevention network congestion by reasonable management network data, alleviate congested object.Due to the resource-constrained of cordless communication network, therefore more easily occur congested compared with core network.Present embodiment has proposed a kind of method of controlling network congestion based on above-mentioned consideration.
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
Embodiment 1:
What the present embodiment was described is the flow information that Load-Aware function is collected each community, and then judges the congestion state of community.Each user, in the time of access network or the switching of generation access network, reports Load-Aware function by up-to-date customer position information by ANDSF.When user has new business at first, PCRF carries out resource authorization according to the congestion state of community that user uses to described business.If congested, refuse new business and carry out, to alleviate network congestion.As shown in Figure 2, its flow process is described below:
201: Load-Aware function regularly for example, is collected the flow information of all communities and the cell ID of respective cell from access network equipment (eNB);
202: Load-Aware function is determined the congestion state of wireless access community accordingly;
For example, the flow information of cell ID and community is reported Load-Aware function by each wireless access community, and the traffic ability judgement that Load-Aware function is supported according to each community obtains the congestion state of each wireless access community.
Or the own statistic flow information in each community, judges the congestion state of community, each community reports the cell ID of congestion state and respective cell to Load-Aware function.
Step 201 and step 202 are Load-Aware function obtains congested judgement information processes from access network equipment.Congested judgement information can be the flow information of the community that obtains from access network equipment of Load-Aware function, determines congestion state by Load-Aware function according to flow information, can be also the congestion state directly obtaining from access network equipment.
203: user access network, and between GGSN and PCRF, set up IP-CAN session;
204: user is to ANDSF report of user positional information and user ID;
Customer position information is for example the information such as cell ID (cell id), TAI or the GPS of community that user uses.
In the time that user and ANDSF initially set up session, user by reporting user location information to ANDSF.In the time that customer position information changes, also need by upgrade with ANDSF between session, by up-to-date reporting user location information to ANDSF.
The customer position information of collection and user ID are reported Load-Aware function by 205:ANDSF;
Note 1:UE also can directly report Load-Aware function by customer position information and user ID.
Note 2: if the customer position information that UE reports is not the form of cell ID, but when the information such as other such as GPS, Load-Aware function need to be judged community that user uses according to customer position information.
As customer position information adopts the cell ID of community that user uses, the cell ID of preservation community that user uses corresponding to Load-Aware function and user's user ID; As customer position information does not adopt the cell ID of community that user uses, Load-Aware function obtains the cell ID of community that user uses, the cell ID of corresponding preservation community that user uses and user's user ID according to user's customer position information judgement.
206: user commences business, for example PUSH class business;
The negotiation information of this business is handed down to PCRF by 207:AF, and requiring PCRF is that this business is used Internet resources to authorize;
208:PCRF receives after this service authorization request, carries out session association, recognizes and carries out the IP-CAN session that the user of this business uses, and to the congestion state of Load-Aware function request community that user uses, comprise user ID in request message;
209: Load-Aware function is determined the congestion state of community that user uses according to the congestion state of wireless access community of step 202 and the customer position information of step 205 and user ID, and returns to PCRF;
210: if the information Shi Gai community that PCRF obtains in congestion state, PCRF judges that according to the type of this business this business is again non real-time class business, PCRF determine refusal this business carries out at this moment;
211:PCRF returns to the authorization failure notice for this business to AF, and informs that current area is in congestion state.
By the way, in community, in the time of congestion state, the mode that can refuse by the new business that user is carried out, to alleviate network traffics, to reach the object that slows down small area jam.
It is that UE finds customer position information and user ID to ANDSF that above-mentioned steps 204 is described.Except above-mentioned realization, the acquisition of information of step of the present invention also can be according to following realization:
In the time of UE access network, ANDSF can for example, from gateway (S-GW, GGSN, P-GW) or obtain the IP address of UE and the user ID of UE from PCRF.The IP address of customer position information and UE is sent ANDSF by follow-up UE.ANDSF is according to the described information of obtaining from gateway/PCRF, and the information of obtaining from described UE, can perception customer position information and the corresponding relation of user ID.
Embodiment 2:
That the present embodiment is described is each user at Access Network or Access Network occurs while switching, and up-to-date customer position information is reported to Load-Aware function by ANDSF.When PCRF is new business that user carries out while authorizing, to Load-Aware function request congestion state, Load-Aware function is obtained the congestion state of community accordingly, and returns to PCRF.If congested, refuse new business and carry out, to alleviate network congestion.As shown in Figure 3, its flow process is described below:
301: user access network, and between P-GW and PCRF, set up IP-CAN session;
302: user is to ANDSF report of user positional information and user ID;
Customer position information is for example the information such as cell ID (cell id), TAI or the GPS of community that user uses.
In the time that user and ANDSF initially set up session, user by reporting user location information to ANDSF.In the time that customer position information changes, also need by upgrade with ANDSF between session, by up-to-date reporting user location information to ANDSF.
The customer position information of collection and user ID are reported Load-Aware function by 303:ANDSF;
304: user commences business, for example PUSH class business;
The negotiation information of this business is handed down to PCRF by 305:AF, and requiring PCRF is that this business is used Internet resources to authorize;
306:PCRF receives after this service authorization request, carries out session association, recognizes and carries out the IP-CAN session that the user of this business uses, and PCRF, to the congestion state of Load-Aware function request community that user uses, comprises user ID in request message;
307: according to the user ID of 306 steps, and the customer position information of 303 steps, Load-Aware function is obtained the mark of community that user uses, and obtains accordingly the flow information of community that user uses to access network equipment, and judgement obtains the congestion state of community that user uses;
Congestedly in the present embodiment judge that information is the flow information that Load-Aware function is obtained from access network equipment.
308: the congestion state of community is returned to PCRF by Load-Aware function;
309: if the information Shi Gai community that PCRF obtains in congestion state, PCRF judges that according to the type of this business this business is again non real-time class business, PCRF determine refusal this business carries out at this moment;
310:PCRF returns to the authorization failure notice for this business to AF, and informs that current area is in congestion state.
By the way, in community, in the time of congestion state, the mode that can refuse by the new business that user is carried out, to alleviate network traffics, to reach the object that slows down small area jam.
Embodiment 3:
What the present embodiment was described is to occur when congested when Load-Aware function determines community according to the flow information of collecting, and to PCRF notice, requires the user under PCRF Dui Gai community to carry out congested strategy adjustment, and as shown in Figure 4, its flow process is described below:
401: Load-Aware function regularly for example, is collected the flow information of all communities and the cell ID of respective cell from access network equipment (eNB);
402: Load-Aware function is determined the congestion state of wireless access community accordingly;
403: user access network, between P-GW and PCRF, set up IP-CAN session;
404: user is to ANDSF report of user positional information and user ID;
Customer position information is for example the information such as cell ID (cell id), TAI or the GPS of community that user uses.
In the time that user and ANDSF initially set up session, user by reporting user location information to ANDSF.In the time that customer position information changes, also need by upgrade with ANDSF between session, by up-to-date reporting user location information to ANDSF.
The customer position information of collection and user ID are reported Load-Aware function by 405:ANDSF;
406: the user of access network commences business;
407: Load-Aware function is regularly collected the flow information of community, judge the congestion state (regularly carrying out 401 and 402 steps) of wireless access community, the customer position information and the user ID that report in conjunction with 405 step UE, judge the user who occurs under congested community, and notify the congestion state of community that this user uses to corresponding PCRF;
Note: the process of Load-Aware function discovery PCRF can be carried out PCRF discovery by DRA, is prior art.
408: after PCRF receives cell congestion status, as congested in community that user uses generation, start congestion management strategy, the business that described user is being carried out, according to CAMEL-Subscription-Information and/or carrier policy etc., to some large flow initiation of services limit bandwidth;
409:PCRF issues limit bandwidth strategy, and some business is carried out to speed limit, alleviates the congested object of access network to reach.
Embodiment 4:
What the present embodiment was described is to occur when congested when Load-Aware function determines community according to the cell flow of collection, to UE notice, require UE to carry out offload (unloading) to business, carry out business by other access networks and carry out, as shown in Figure 5, its flow process is described below:
501: Load-Aware function regularly for example, is collected the flow information of all communities and the cell ID of respective cell from access network equipment (eNB);
502: Load-Aware function is determined the congestion state of wireless access community accordingly;
503: user access network;
504: user is to ANDSF report of user positional information and user ID;
Customer position information is for example the information such as cell ID (cell id), TAI or the GPS of community that user uses.
In the time that user and ANDSF initially set up session, user by reporting user location information to ANDSF.In the time that customer position information changes, also need by upgrade with ANDSF between session, by up-to-date reporting user location information to ANDSF.
The customer position information of collection and user ID are reported Load-Aware function by 505:ANDSF;
506: the user of access network commences business;
507: Load-Aware function is regularly collected the flow information of community, judge the congestion state (regularly carrying out 501 and 502 steps) of wireless access community, the positional information reporting in conjunction with 505 step UE and the identification information of UE, judge the user who occurs under congested community, and send congestion state to ANDSF;
508:ANDSF notifies congestion state to UE;
If do not push optional access network information to UE before this, other network of network information that ANDSF can access this UE simultaneously send to described UE.
509: according to the information receiving from ANDSF, UE carries out access network and selects, and selects other network insertions, and the business of carrying out is carried out by other access networks.
By above-mentioned implementation, in the time that UE access network is commenced business, described access network has occurred congested, and ANDSF notifies described congestion information to UE, the mode of selecting other access networks to commence business by UE, the object slowing down to reach small area jam.
In sum, by above-described embodiment, the present invention judges the congestion state of community by Load-Aware function, and collects customer position information and user ID by ANDSF.When community occurs when congested, by the user under community being commenced business and carries out congestion management, the object slowing down to reach network congestion.
As shown in Figure 6, present embodiment also provides a kind of Load-Aware function, is applied in cordless communication network, comprising: first information unit and congested determining unit, wherein:
First information unit, for obtaining customer position information and user ID from access network discovery and selection function ANDSF or subscriber equipment;
Congested determining unit, for determining the congestion state of community that user uses according to customer position information, user ID and the congested judgement information that obtains from access network equipment.
Congested determining unit, also for after determining the congestion state of community that user uses, send the congestion state of community that user uses to "Policy and Charging Rules Function PCRF corresponding to user, as congested in community that user uses generation, PCRF decision-making also issues congestion management strategy to strategy execution equipment; Or send the congestion state of community that user uses to subscriber equipment corresponding to user, as congested in community that user uses generation, subscriber equipment is to the local unloading of the initiation of services of carrying out.
First information unit, the customer position information and the user ID that report specifically for receiving ANDSF, customer position information and user ID are that user equipment to report is to ANDSF; Or ANDSF obtains user's IP address and user ID from gateway or PCRF, receive customer position information and user's IP address from subscriber equipment, obtain user's customer position information and the corresponding relation of user ID.
First information unit, also in the time that customer position information adopts the cell ID of community that user uses, the cell ID of corresponding preservation community that user uses and user's user ID; In the time that customer position information does not adopt the cell ID of community that user uses, obtain the cell ID of community that user uses according to user's customer position information judgement, the cell ID of corresponding preservation community that user uses and user's user ID.
Congestedly judge that information is the flow information of community or the congestion state of community.
Load-Aware function also comprises the second information unit, wherein:
The second information unit, for regularly receiving the flow information of all communities and the cell ID of respective cell from access network equipment, determines the congestion state of wireless access community according to flow information; Or, receive access network equipment from access network equipment and judge the congestion state of wireless access community and the cell ID of respective cell that obtain according to flow information.
Congested determining unit, specifically for obtaining at the second information unit after the congestion state of wireless access community, determine congested community occurs, and according to customer position information and user ID, there is the user under congested community in judgement, as user is occurring under congested community, to the congestion state of PCRF corresponding to user or subscriber equipment transmission community that user uses.
Congested determining unit, the request message sending specifically for receiving PCRF, determine the congestion state of community that user uses according to the congestion state of the wireless access community on the user ID on the user ID of carrying in request message, first information unit and customer position information and the second information unit, and return to PCRF.
Congested determining unit, the request message sending specifically for receiving PCRF, determine the cell ID of community that user uses according to the user ID of carrying in request message, obtain the flow information of community that user uses from access network equipment according to cell ID, judge the congestion state of community that user uses according to flow information, and return to PCRF.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that multiple calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or the multiple modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (20)
1. control a method for network congestion, be applied in cordless communication network, the method comprises:
Load-Aware function obtains customer position information and user ID from access network discovery and selection function ANDSF or subscriber equipment;
Described Load-Aware function is determined the congestion state of community that user uses according to described customer position information, user ID and the congested judgement information that obtains from access network equipment.
2. the method for claim 1, is characterized in that, described Load-Aware function is after determining the congestion state of community that user uses, and the method also comprises:
Described Load-Aware function sends the congestion state of community that described user uses to "Policy and Charging Rules Function PCRF corresponding to user, as congested in community that user uses generation, and described PCRF decision-making also issues congestion management strategy to strategy execution equipment; Or
Described Load-Aware function sends the congestion state of community that described user uses to subscriber equipment corresponding to user, as congested in community that user uses generation, and described subscriber equipment is to the local unloading of the initiation of services of carrying out.
3. the method for claim 1, is characterized in that, described Load-Aware function obtains customer position information and user ID from ANDSF, comprising:
Described ANDSF receives customer position information and the user ID of user equipment to report, and customer position information and user ID are reported to described Load-Aware function; Or,
Described ANDSF obtains user's IP address and user ID from gateway or PCRF, receive customer position information and user's IP address from subscriber equipment, obtain user's customer position information and the corresponding relation of user ID, and customer position information and user ID are reported to described Load-Aware function.
4. method as claimed in claim 3, is characterized in that, also comprises:
As described in customer position information adopt the cell ID of community that user uses, the cell ID of preservation community that user uses corresponding to described Load-Aware function and user's user ID;
As described in customer position information do not adopt the cell ID of community that user uses, described Load-Aware function obtains the cell ID of community that user uses, the cell ID of corresponding preservation community that user uses and user's user ID according to user's customer position information judgement.
5. method as claimed in claim 2, is characterized in that, describedly congestedly judges that information is the flow information of community or the congestion state of community.
6. method as claimed in claim 5, is characterized in that, Load-Aware function obtains described congested judgement information from access network equipment, comprising:
Described Load-Aware function regularly receives the flow information of all communities and the cell ID of respective cell from access network equipment, determines the congestion state of wireless access community according to flow information; Or, receive described access network equipment from access network equipment and judge the congestion state of wireless access community and the cell ID of respective cell that obtain according to flow information.
7. method as claimed in claim 6, it is characterized in that, described Load-Aware function is determined the congestion state of community that user uses according to described customer position information, user ID and the congested judgement information that obtains from access network equipment, the congestion state that sends community that described user uses to PCRF corresponding to user or subscriber equipment, comprising:
Described Load-Aware function is obtaining after the congestion state of wireless access community, determine congested community occurs, and according to customer position information and user ID, there is the user under congested community in judgement, as user is occurring under congested community, send the congestion state of community that described user uses to PCRF corresponding to user or subscriber equipment.
8. method as claimed in claim 6, it is characterized in that, described Load-Aware function is determined the congestion state of community that user uses according to described customer position information, user ID and the congested judgement information that obtains from access network equipment, the congestion state that sends community that described user uses to PCRF corresponding to user, comprising:
Described Load-Aware function receives the request message that PCRF sends, determine the congestion state of community that user uses according to the congestion state of the user ID in the user ID of carrying in request message and Load-Aware function, customer position information and wireless access community, and return to described PCRF.
9. method as claimed in claim 5, it is characterized in that, described Load-Aware function is determined the congestion state of community that user uses according to described customer position information, user ID and the congested judgement information that obtains from access network equipment, the congestion state that sends community that described user uses to PCRF corresponding to user, comprising:
Described Load-Aware function receives the request message that PCRF sends, determine the cell ID of community that user uses according to the user ID of carrying in request message, obtain the flow information of community that user uses from access network equipment according to cell ID, judge the congestion state of community that user uses according to flow information, and return to described PCRF.
10. method as claimed in claim 2, is characterized in that, described PCRF decision-making also issues congestion management strategy to strategy execution equipment, comprising:
The type of service that described PCRF commences business according to described user judges when this business is non real-time class business, refuses carrying out of business; Or, according to user's CAMEL-Subscription-Information and/or carrier policy, to initiation of services limit bandwidth.
11. methods as claimed in claim 2, is characterized in that:
Described Load-Aware function is the congestion state that sends community that described user uses by described ANDSF to subscriber equipment corresponding to user, and described ANDSF other network of network information that user can be accessed send to described subscriber equipment;
Described subscriber equipment, to the local unloading of the initiation of services of carrying out, comprising: other network of network information and executing access networks that described subscriber equipment can access according to user are selected, and select other network insertions, commence business by the network of selecting.
12. 1 kinds of Load-Aware functions, are applied in cordless communication network, comprising: first information unit and congested determining unit, wherein:
Described first information unit, for obtaining customer position information and user ID from access network discovery and selection function ANDSF or subscriber equipment;
Described congested determining unit, for determining the congestion state of community that user uses according to described customer position information, user ID and the congested judgement information that obtains from access network equipment.
13. Load-Aware functions as claimed in claim 12, is characterized in that:
Described congested determining unit, also for after determining the congestion state of community that user uses, send the congestion state of community that described user uses to "Policy and Charging Rules Function PCRF corresponding to user, as congested in community that user uses generation, described PCRF decision-making also issues congestion management strategy to strategy execution equipment; Or send the congestion state of community that described user uses to subscriber equipment corresponding to user, as congested in community that user uses generation, described subscriber equipment is to the local unloading of the initiation of services of carrying out.
14. Load-Aware functions as claimed in claim 12, is characterized in that:
Described first information unit, the customer position information and the user ID that report specifically for receiving ANDSF, described customer position information and user ID are that user equipment to report is given described ANDSF; Or described ANDSF obtains user's IP address and user ID from gateway or PCRF, receive customer position information and user's IP address from subscriber equipment, obtain user's customer position information and the corresponding relation of user ID.
15. Load-Aware functions as claimed in claim 14, is characterized in that:
Described first information unit, also in the time that described customer position information adopts the cell ID of community that user uses, the cell ID of corresponding preservation community that user uses and user's user ID; In the time that described customer position information does not adopt the cell ID of community that user uses, obtain the cell ID of community that user uses according to user's customer position information judgement, the cell ID of corresponding preservation community that user uses and user's user ID.
16. Load-Aware functions as claimed in claim 13, is characterized in that, describedly congestedly judge that information is the flow information of community or the congestion state of community.
17. Load-Aware functions as claimed in claim 16, is characterized in that, also comprise the second information unit, wherein:
Described the second information unit, for regularly receiving the flow information of all communities and the cell ID of respective cell from access network equipment, determines the congestion state of wireless access community according to flow information; Or, receive described access network equipment from access network equipment and judge the congestion state of wireless access community and the cell ID of respective cell that obtain according to flow information.
18. Load-Aware functions as claimed in claim 17, is characterized in that:
Described congested determining unit, specifically for obtaining after the congestion state of wireless access community at described the second information unit, determine congested community occurs, and according to customer position information and user ID, there is the user under congested community in judgement, as user is occurring under congested community, send the congestion state of community that described user uses to PCRF corresponding to user or subscriber equipment.
19. Load-Aware functions as claimed in claim 17, is characterized in that:
Described congested determining unit, the request message sending specifically for receiving PCRF, determine the congestion state of community that user uses according to the congestion state of the wireless access community on the user ID on the user ID of carrying in request message, first information unit and customer position information and the second information unit, and return to described PCRF.
20. Load-Aware functions as claimed in claim 16, is characterized in that:
Described congested determining unit, the request message sending specifically for receiving PCRF, determine the cell ID of community that user uses according to the user ID of carrying in request message, obtain the flow information of community that user uses from access network equipment according to cell ID, judge the congestion state of community that user uses according to flow information, and return to described PCRF.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310172929.8A CN104144128B (en) | 2013-05-10 | 2013-05-10 | A kind of method and Load-Aware function controlling network congestion |
| PCT/CN2014/074899 WO2014180210A1 (en) | 2013-05-10 | 2014-04-08 | Method for controlling network congestion and load perception function |
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| CN201310172929.8A CN104144128B (en) | 2013-05-10 | 2013-05-10 | A kind of method and Load-Aware function controlling network congestion |
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| WO (1) | WO2014180210A1 (en) |
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Also Published As
| Publication number | Publication date |
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| CN104144128B (en) | 2019-07-12 |
| WO2014180210A1 (en) | 2014-11-13 |
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