CN104066115A - Wireless access network congestion management method and apparatus, and wireless access network congestion policy management method and system - Google Patents
Wireless access network congestion management method and apparatus, and wireless access network congestion policy management method and system Download PDFInfo
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- CN104066115A CN104066115A CN201310091602.8A CN201310091602A CN104066115A CN 104066115 A CN104066115 A CN 104066115A CN 201310091602 A CN201310091602 A CN 201310091602A CN 104066115 A CN104066115 A CN 104066115A
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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
- H04W28/0205—Traffic management, e.g. flow control or congestion control at the air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
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- H04W48/06—Access restriction performed under specific conditions based on traffic conditions
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Abstract
The invention discloses a wireless access network congestion management method and apparatus and is applied to a policy and charging control (PCC) architecture. The PCC architecture is internally provided with a load perception function. The method comprises: the load perception function obtaining flow information of each user equipment (UE) and information of a cell to which each UE is accessed, counting the load of each cell, and determining the congestion state of each cell according to the load of each cell. The invention also discloses a wireless access network congestion policy management method and system. According to the invention, the load control capability of the PCC architecture is improved, the problem of decreased service quality such as cell dropped calls, poor access and the like of current services, possibly caused by load congestion of some certain loads in a network to the cells are prevented, and better service quality is provided for users.
Description
Technical field
The present invention relates to strategy and charging control (PCC, Policy and Charging Control) treatment technology of loading in framework, relate in particular to the method and system of a kind of Radio Access Network congestion management and device, the congested tactical management of Radio Access Network.
Background technology
Third generation partner program (3GPP, 3rd Generation Partnership Project) define strategy and charging control (PCC for mobile network, Policy and Charging Control) framework, as shown in Figure 1, below, simply introduce each inter-entity annexation and function thereof.
"Policy and Charging Rules Function (PCRF, Policy and Charging Rules Function), is used to business data flow in transmitting procedure, to use Internet resources to formulate resource control strategy; Resource control strategy comprises service quality (QoS, Quality of Service) control strategy and charging control strategy etc.
Strategy and charge execution function (PCEF, Policy and Charging Enforcement 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.
Bearing binding and reporting events function (BBERF, Bearer Binding and Event ReportFunction), be mainly used in IP message to detect, and IP message be 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.
User-subscribed database (SPR, Subscription Profile Repository), for preserving the signing business information of user, for PCRF works out PCC rule and necessary user signing contract information is provided.
Online Charging System (OCS, Online Charging System) and off-line accounting system (OFCS, Offline Charging 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, set up IP-CAN session with PCEF, 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.
The appearance of and intelligent terminal abundant along with network fast development, 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 be just more and more subject to concern and the attention of operator.Reduce network congestion, one side can be invested by increase, dilatation network is realized, but this can increase cost; Can introduce Congestion Managment to existing network on the other hand, reach prevention network congestion by reasonable management network data, alleviate congested object.But due to the resource-constrained of wireless network, therefore there is congested probability still large compared with core network.
Summary of the invention
In view of this, main purpose of the present invention is to provide the method and system of a kind of Radio Access Network congestion management and device, the congested tactical management of Radio Access Network, can provide preferably load to control to PCC framework.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of Radio Access Network congestion management, comprising:
Load-Aware function is obtained the flow information of each UE and the cell information of access thereof, and adds up the load of each community, according to the congestion state of the each community of determination of power load of each community.
Preferably, described Load-Aware function is obtained the information of the flow information of each UE and the community of access thereof, and the load of adding up each community comprises:
GGSN or P-GW or S-GW report the flow information of the identification information of each UE and the cell information of access and each UE to described Load-Aware function;
Or GGSN or P-GW or S-GW report identification information and the flow information of each UE to described Load-Aware function, wireless access network RAN reports the identification information of each UE and the cell information of each UE access to described Load-Aware function;
Described Load-Aware function is added up the information on load of described community according to the flow information of the UE of access same cells.
Preferably, described according to the congestion state of the each community of determination of power load of each community, comprising:
When the load of determining community is more than or equal to the assumed load threshold value of described community, for described community is in congestion state;
When the load of determining community is less than the assumed load threshold value of described community, for described community is in non-congestion state.
A method for the congested tactical management of Radio Access Network, comprising:
Load-Aware function is obtained the information of the flow information of each UE and the community of access thereof, and judges the load of each community, according to the congestion state of the each community of determination of power load of each community;
PCRF obtains the congestion state of each community from described Load-Aware function, determines the congestion management strategy of described community according to the congestion state of community.
Preferably, described PCRF determines the congestion management strategy of described community according to the congestion state of community, comprising:
Described PCRF receives the PCC request of business, determines that the community that described business uses is current in the time of congestion state,
Refusal is described service authorization QoS resource; Or, according to the user gradation of service request, service priority information, be described service authorization QoS resource, and reduce the QoS resource that the business lower than described service priority takies.
Preferably, described Load-Aware function is obtained the information of the flow information of each user equipment (UE) and the community of access thereof, comprising:
GGSN or P-GW or S-GW report the identification information of each UE and the information of the community of access and the flow information of each UE to described Load-Aware function;
Or GGSN or P-GW or S-GW report identification information and the flow information of each UE to described Load-Aware function, wireless access network RAN reports the information of the identification information of each UE and the community of access thereof to described Load-Aware function.
Preferably, described according to the congestion state of the each community of determination of power load of each community, comprising:
When the load of determining community is more than or equal to the assumed load threshold value of described community, for described community is in congestion state;
When the load of determining community is less than the assumed load threshold value of described community, for described community is in non-congestion state.
A kind of Radio Access Network congestion management device, comprises acquiring unit and determining unit, wherein:
Acquiring unit, for obtaining the information of the flow information of each UE and the community of access thereof;
Determining unit, for adding up the load of each community, and according to the congestion state of the each community of determination of power load of each community.
Preferably, described acquiring unit, also for receiving the identification information of each UE and the information of the community of access and the flow information of each UE from GGSN or P-GW or S-GW;
Or described acquiring unit, also, for receive identification information and the flow information of each UE from GGSN or P-GW or S-GW, receives the information of the identification information of each UE and the community of access thereof from wireless access network RAN;
Accordingly, described determining unit, also for adding up the information on load of described community according to the flow information of the UE of access same cells.
Preferably, described determining unit, while being also more than or equal to the assumed load threshold value of described community for the load of definite community, for described community is in congestion state;
In the time that the load of determining community is less than the assumed load threshold value of described community, for described community is in non-congestion state.
The congested policy management system of a kind of Radio Access Network, comprising:
Load-Aware function, for obtaining the information of the flow information of each user equipment (UE) and the community of access thereof, and adds up the load of each community, according to the congestion state of the each community of determination of power load of each community;
PCRF, for obtaining the congestion state of each community from described Load-Aware function, and determines the congestion management strategy of described community according to the congestion state of community.
Preferably, described PCRF, also for receiving the PCC request of business, determines that the community that described business uses is current in the time of congestion state,
Refusal is described service authorization QoS resource; Or, according to the information of the user gradation of service request, service priority, be described service authorization QoS resource, and reduce the QoS resource that the business lower than described service priority takies.
Preferably, described system also comprises GGSN or P-GW or S-GW, and RAN;
Described GGSN or P-GW or S-GW report the information of the flow information of each UE and the community of access thereof to described Load-Aware function;
Or described GGSN or P-GW or S-GW report the flow information of each UE to described Load-Aware function, wireless access network RAN reports the information of the community of each UE access to described Load-Aware function.
In the present invention, in PCC framework, be provided with Load-Aware function; Load-Aware function is obtained the information of the flow information of each user equipment (UE) and the community of access thereof, and determines the load of each community, according to the congestion state of the each community of determination of power load of each community; PCRF determines the load strategy of described community according to the congestion state of community.The present invention by being provided with Load-Aware function in PCC framework, can gather the cell load state in PCC framework, and then can carry out Reasonable load control according to the load condition of community, promote the load control ability of PCC framework, avoid some community in network to occur because of the congested situation that causes the service quality such as the current community call drop of commencing business in this community, access be not smooth to decline of loading, for user provides better service quality.
Brief description of the drawings
Fig. 1 is PCC configuration diagram;
Fig. 2 is according to the flow chart of the congested policy management method of Radio Access Network of the embodiment of the present invention one;
Fig. 3 is according to the flow chart of the congested policy management method of Radio Access Network of the embodiment of the present invention two;
Fig. 4 is according to the flow chart of the congested policy management method of Radio Access Network of the embodiment of the present invention three;
Fig. 5 is according to the flow chart of the congested policy management method of Radio Access Network of the embodiment of the present invention four;
Fig. 6 is the composition structural representation of the Radio Access Network congestion management device of the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Embodiment mono-
What the present embodiment was described is the flow information that Load-Aware function is collected the Business Stream that each user carries out, and adds up accordingly the information on load of each community, and then judges the congestion condition of community.In the time having new business to start, PCRF obtains small area jam situation according to cell information from Load-Aware function.If congested, refuse new business and carry out, to alleviate network congestion.Fig. 2 is according to the flow chart of the congested policy management method of Radio Access Network of the embodiment of the present invention one, and as shown in Figure 2, the congested policy management method of the Radio Access Network of this example comprises the following steps:
Step 201, user access network, and between GGSN and PCRF, set up IP-CAN session.
Step 202, described user commences business.
Step 203, GGSN reports Load-Aware function, the cell information using when also comprising described user in described reporting message and commencing business, for example (CGI) by the commence business flow information of stream of described user.Described flow information reports mode by GGSN active reporting to Load-Aware function, also can be reported by Load-Aware function request GGSN.
Step 204, Load-Aware function is returned to acknowledge message to GGSN.
Step 205, the service traffics information that Load-Aware function reports according to each GGSN, and corresponding CGI, add up the flow information of each community.Load-Aware function judges the congestion condition of each community.For example operator disposes the heap(ed) capacity that each inferior segment is supported in Load-Aware function.In the time that the cell flow of Load-Aware function statistics reaches or exceed the corresponding maximum stream flow of its configuration, Load-Aware function judges that this community is in congestion state.Otherwise Wei Gai community is in normal duty state.
Step 206, for example, if there is new user (UE-2) access network, and between GGSN and PCRF for it sets up IP-CAN session.
Step 207, UE-2 commences business, for example PUSH class business.
Step 208, the negotiation information of this business is handed down to PCRF by AF, and requiring PCRF is that this business is used Internet resources to authorize.
Step 209, 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 get the CGI that this user access network uses.
Step 210, PCRF, to the congestion condition information of this community, user place of Load-Aware function request, sends to Load-Aware function by the CGI of corresponding community in described request information.
Step 211, according to CGI, Load-Aware function is returned to the congestion information of respective cell.
Step 212, 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.
Step 213, PCRF returns to the authorization failure notice for this business to AF, and informs that current area is in congestion state.
Step 214, UE-2 carries out described business PUSH service fail.
By the way, in the time having new business to carry out, first PCRF obtains the congestion condition of the community that this business uses, if now community is in congestion state, PCRF can temporarily refuse this business and carries out, to reach the object that alleviates small area jam.
Embodiment bis-
What the present embodiment was described is the flow information that Load-Aware function is collected the Business Stream that each user carries out, RAN reports described user's identification information and the up-to-date cell information using to Load-Aware function, Load-Aware function is added up the information on load of each community accordingly, and then judges the congestion condition of community.In the time having new business to start, PCRF obtains small area jam situation according to cell information from Load-Aware function.If congested, refuse new business and carry out, to alleviate network congestion.Fig. 3 is according to the flow chart of the congested policy management method of Radio Access Network of the embodiment of the present invention two, and as shown in Figure 3, the congested policy management method of the Radio Access Network of this example comprises the following steps:
Step 301, user access network, and between GGSN and PCRF, set up IP-CAN session.
Step 302, described user commences business.
Step 303, GGSN by described user commence business stream flow information report Load-Aware function, in described reporting message, also comprise described user's identification information (for example user ID).Described flow information reports mode by GGSN active reporting to Load-Aware function, also can be reported by Load-Aware function request GGSN.
Step 304, Load-Aware function is returned to acknowledge message to GGSN.
Step 305, if GGSN cannot get the up-to-date cell information that described user access network uses, for example, due to after access network, there is cell update in this user, GGSN does not get up-to-date cell information in time, now RAN can for example, report Load-Aware function by this user's access information (obtain by the mode of signaling tracing, described user accessing information comprises user ID, up-to-date cell information cell id).
Step 306, Load-Aware function is returned to acknowledge message.
Step 307, Load-Aware function is obtained the flow information that GGSN reports, the cell information that the business that RAN reports is used.The community that Load-Aware function can be used according to the associated each business of user ID, can add up the flow information of each community.Load-Aware function judges the congestion condition of each community.For example operator disposes the heap(ed) capacity that each inferior segment is supported in Load-Aware function.In the time that the cell flow of Load-Aware function statistics reaches or exceed the corresponding maximum stream flow of its configuration, Load-Aware function judges that this community is in congestion state.Otherwise Wei Gai community is in normal duty state.
Step 308, for example, if there is new user (UE-2) access network, and between GGSN and PCRF for it sets up IP-CAN session.
Step 309, UE-2 commences business, for example PUSH class business.
Step 310, the negotiation information of this business is handed down to PCRF by AF, and requiring PCRF is that this business is used Internet resources to authorize.
Step 311, 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.
Step 312, PCRF is to the congestion condition information of this community, user place of Load-Aware function request, and described request packets of information is containing user totem information.
Step 313, Load-Aware function, according to user totem information, recognizes the community that this user uses, and the congestion information of respective cell is returned to PCRF by Load-Aware function.
Step 314, 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.
Step 315, PCRF returns to the authorization failure notice for this business to AF, and informs that current area is in congestion state.
Step 316, UE-2 carries out described business PUSH service fail.
By the way, in the time having new business to carry out, first PCRF obtains the congestion condition of the community that this business uses, if now community is in congestion state, PCRF can temporarily refuse this business and carries out, to reach the object that alleviates small area jam.
Embodiment tri-
What the present embodiment was described is when each user of access network commences business, and the flow information of each user's Business Stream is reported Load-Aware function by P-GW, added up the congestion state of each community by Load-Aware function.If it is congested that community occurs, required to start congested strategy by Load-Aware function proactive notification PCRF, alleviate congested.Fig. 4 is according to the flow chart of the congested policy management method of Radio Access Network of the embodiment of the present invention three, and as shown in Figure 4, the congested policy management method of the Radio Access Network of this example comprises the following steps:
Step 401, user access network is set up IP-CAN session between P-GW and PCRF.Different user access networks is likely selected different P-GW, and PCRF.This example selects P-GW-1 or P-GW-2 as example explanation congestion management realization taking user.
Step 402, the user of access network commences business.
Step 403, in the time that P-GW-1 detects Business Stream, to Load-Aware function, also comprises the CGI that this business is used by the consumption information reporting of described Business Stream in described reporting information.
Step 404, Load-Aware function is returned to acknowledge message to P-GW-1.
Step 405, P-GW-2 reports the process of flow information with reference to P-GW-1.
Step 406, the service traffics information that Load-Aware function reports according to each P-GW, and corresponding CGI, add up the flow information of each community.And judge the congestion condition of each community.For example operator disposes the heap(ed) capacity that each inferior segment is supported in Load-Aware function.In the time that the cell flow of Load-Aware function statistics reaches or exceed the corresponding maximum stream flow of its configuration, Load-Aware function judges that this community is in congestion state.Otherwise Wei Gai community is in normal duty state.
Step 407, when Load-Aware function has been judged community after congestion state, Load-Aware function sends this small area jam message to all PCRF in territory, comprises the CGI that congested Gai community occurs in described message.
Step 408, when PCRF receives after the small area jam notification message of Load-Aware function, judgement is used the associated user information of described CGI, and according to user gradation, the congested strategy of the information decisions such as service priority, the Internet resources that the business of for example inferior grade user being carried out is used degrade etc.
Step 409, PCRF by described congested policy distribution to P-GW.
Step 410, P-GW, according to congested strategy, upgrades and authorizes QoS and bandwidth, and mandate QoS and the bandwidth of low priority traffice data flow are degraded, and to alleviate cell load, eliminates congested.
Once when Load-Aware function according to the flow information that reports, is judged small area jam and eliminated, can notify PCRF to cancel congested strategy, recover by by mandate QoS and the bandwidth of matter business data flow.
Embodiment tetra-
What the present embodiment was described is when each user of access network commences business, the flow information of each user's Business Stream is reported Load-Aware function by P-GW, the cell information that RAN uses to Load-Aware function report of user identification information and user, is added up the congestion state of each community by Load-Aware function.If it is congested that community occurs, require to start congested strategy by Load-Aware function proactive notification PCRF, alleviate congested, Fig. 5 is according to the flow chart of the congested policy management method of Radio Access Network of the embodiment of the present invention four, as shown in Figure 5, the congested policy management method of the Radio Access Network of this example comprises the following steps:
Step 501, user access network is set up IP-CAN session between P-GW and PCRF.Different user access networks is likely selected different P-GW, and PCRF.This example selects P-GW-1 or P-GW-2 as example explanation congestion management realization taking user.
Step 502, the user of access network commences business.
Step 503, in the time that P-GW-1 detects Business Stream, to Load-Aware function, also comprises this user ID by the consumption information reporting of described Business Stream in described reporting information.
Step 504, Load-Aware function is returned to acknowledge message to P-GW-1.
P-GW-2 reports the process of flow information with reference to P-GW-1.
Step 505, RAN comprises by user accessing information the cell information CGI that user ID, user use and reports Load-Aware function.
Step 506, Load-Aware function is returned to acknowledge message.
Step 507, the service traffics information that Load-Aware function reports according to each P-GW, and the user accessing information that reports of RAN, add up the flow information of each community.And judge the congestion condition of each community.For example operator disposes the heap(ed) capacity that each inferior segment is supported in Load-Aware function.In the time that the cell flow of Load-Aware function statistics reaches or exceed the corresponding maximum stream flow of its configuration, Load-Aware function judges that this community is in congestion state.Otherwise Wei Gai community is in normal duty state.
Step 508, when Load-Aware function has been judged community after congestion state, Load-Aware function is to notifying this community of PCRF in congestion state.The perception of Load-Aware function is used the user of this community, and finds according to user ID the PCRF that described user access network is selected, and sends described cell congestion status information to described PCRF, and comprises user totem information.
Step 509, when PCRF receives after the small area jam notification message of Load-Aware function, according to user gradation, the congested strategy of the information decisions such as service priority, the Internet resources that the business of for example inferior grade user being carried out is used degrade etc.
Step 510, PCRF by described congested policy distribution to P-GW.
Step 511, P-GW, according to congested strategy, upgrades and authorizes QoS and bandwidth, and mandate QoS and the bandwidth of low priority traffice data flow are degraded, and to alleviate cell load, eliminates congested.
Once when Load-Aware function according to the flow information that reports, is judged small area jam and eliminated, can notify PCRF to cancel congested strategy, recover by by mandate QoS and the bandwidth of matter business data flow.
In sum, by above-described embodiment, the present invention collects the flow information of each business data flow by Load-Aware function, and then adds up the information on load of each community, judges the congestion condition of community.Occur once community congested, by refusal the carrying out of new business, or the mode degrading by the mandate QoS to having commenced business and bandwidth, the object of eliminating to reach network congestion.Having solved because of network load overload causes network that congested problem occurs.
Fig. 6 is the composition structural representation of the Radio Access Network congestion management device of the embodiment of the present invention, as shown in Figure 6, is arranged in strategy and charging control PCC framework; Radio Access Network congestion management device of the present invention comprises acquiring unit 60 and determining unit 61, wherein:
Acquiring unit 60, for obtaining the information of the flow information of each user equipment (UE) and the community of access thereof;
Determining unit 61, for adding up the load of each community, and according to the congestion state of the each community of determination of power load of each community.
Above-mentioned acquiring unit 60, also for receiving the identification information of each UE and the information of the community of access and the flow information of each UE from Gateway GPRS Support Node GGSN or grouped data network gateway P-GW or gateway S-GW;
Or above-mentioned acquiring unit 60, also, for receive identification information and the flow information of each UE from GGSN or P-GW or S-GW, receives the information of the identification information of each UE and the community of access thereof from wireless access network RAN;
Accordingly, above-mentioned determining unit 61, also for adding up the information on load of described community according to the flow information of the UE of access same cells.
Above-mentioned determining unit 61, while being also more than or equal to the assumed load threshold value of described community for the load of definite community, for described community is in congestion state;
In the time that the load of determining community is less than the assumed load threshold value of described community, for described community is in non-congestion state.
The practical function that it will be appreciated by those skilled in the art that the each processing unit in the Radio Access Network congestion management device shown in Fig. 6 can be understood with reference to the associated description of aforementioned Radio Access Network congestion management.The function that it will be appreciated by those skilled in the art that each processing unit in the Radio Access Network congestion management device shown in Fig. 6 can realize by the program running on processor, also can realize by concrete logical circuit.
The present invention has also recorded the congested policy management system of a kind of Radio Access Network, is applied in PCC framework, and described PCC framework comprises "Policy and Charging Rules Function PCRF, and is provided with Load-Aware function; Wherein:
Load-Aware function, for obtaining the information of the flow information of each user equipment (UE) and the community of access thereof, and adds up the load of each community, according to the congestion state of the each community of determination of power load of each community;
"Policy and Charging Rules Function PCRF, for obtaining the congestion state of each community from described Load-Aware function, and determines the congestion management strategy of described community according to the congestion state of community.
Above-mentioned PCRF, also for receiving the PCC request of business, determines that the community that described business uses is current in the time of congestion state,
Refusal is described service authorization QoS resource; Or, according to the information of the user gradation of service request, service priority, be described service authorization QoS resource, and reduce the QoS resource that the business lower than described service priority takies.
Described system also comprises Gateway GPRS Support Node GGSN or grouped data network gateway P-GW or gateway S-GW or RAN;
Described GGSN or P-GW or S-GW report the information of the flow information of each UE and the community of access thereof to described Load-Aware function;
Or described GGSN or P-GW or S-GW report the flow information of each UE to described Load-Aware function, wireless access network RAN reports the information of the community of each UE access to described Load-Aware function.
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 above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (13)
1. a Radio Access Network congestion management, is characterized in that, described method comprises:
Load-Aware function is obtained the flow information of each user equipment (UE) and the cell information of access thereof, and adds up the load of each community, according to the congestion state of the each community of determination of power load of each community.
2. method according to claim 1, is characterized in that, described Load-Aware function is obtained the information of the flow information of each user equipment (UE) and the community of access thereof, and the load of adding up each community comprises:
Gateway GPRS Support Node GGSN or grouped data network gateway P-GW or gateway S-GW report the flow information of the identification information of each UE and the cell information of access and each UE to described Load-Aware function;
Or GGSN or P-GW or S-GW report identification information and the flow information of each UE to described Load-Aware function, wireless access network RAN reports the identification information of each UE and the cell information of each UE access to described Load-Aware function;
Described Load-Aware function is added up the information on load of described community according to the flow information of the UE of access same cells.
3. method according to claim 1, is characterized in that, described according to the congestion state of the each community of determination of power load of each community, comprising:
When the load of determining community is more than or equal to the assumed load threshold value of described community, for described community is in congestion state;
When the load of determining community is less than the assumed load threshold value of described community, for described community is in non-congestion state.
4. a method for the congested tactical management of Radio Access Network, is characterized in that, described method comprises:
Load-Aware function is obtained the information of the flow information of each user equipment (UE) and the community of access thereof, and judges the load of each community, according to the congestion state of the each community of determination of power load of each community;
"Policy and Charging Rules Function PCRF obtains the congestion state of each community from described Load-Aware function, determines the congestion management strategy of described community according to the congestion state of community.
5. method according to claim 4, is characterized in that, described PCRF determines the congestion management strategy of described community according to the congestion state of community, comprising:
Described PCRF receives the PCC request of business, determines that the community that described business uses is current in the time of congestion state,
Refusal is described service authorization service quality QoS resource; Or, according to the user gradation of service request, service priority information, be described service authorization QoS resource, and reduce the QoS resource that the business lower than described service priority takies.
6. method according to claim 4, is characterized in that, described Load-Aware function is obtained the information of the flow information of each user equipment (UE) and the community of access thereof, comprising:
Gateway GPRS Support Node GGSN or grouped data network gateway P-GW or gateway S-GW report the identification information of each UE and the information of the community of access and the flow information of each UE to described Load-Aware function;
Or GGSN or P-GW or S-GW report identification information and the flow information of each UE to described Load-Aware function, wireless access network RAN reports the information of the identification information of each UE and the community of access thereof to described Load-Aware function.
7. method according to claim 4, is characterized in that, described according to the congestion state of the each community of determination of power load of each community, comprising:
When the load of determining community is more than or equal to the assumed load threshold value of described community, for described community is in congestion state;
When the load of determining community is less than the assumed load threshold value of described community, for described community is in non-congestion state.
8. a Radio Access Network congestion management device, is characterized in that, described device comprises acquiring unit and determining unit, wherein:
Acquiring unit, for obtaining the information of the flow information of each user equipment (UE) and the community of access thereof;
Determining unit, for adding up the load of each community, and according to the congestion state of the each community of determination of power load of each community.
9. device according to claim 8, it is characterized in that, described acquiring unit, also for receiving the identification information of each UE and the information of the community of access and the flow information of each UE from Gateway GPRS Support Node GGSN or grouped data network gateway P-GW or gateway S-GW;
Or described acquiring unit, also, for receive identification information and the flow information of each UE from GGSN or P-GW or S-GW, receives the information of the identification information of each UE and the community of access thereof from wireless access network RAN;
Accordingly, described determining unit, also for adding up the information on load of described community according to the flow information of the UE of access same cells.
10. device according to claim 8, is characterized in that, described determining unit, while being also more than or equal to the assumed load threshold value of described community for the load of definite community, for described community is in congestion state;
In the time that the load of determining community is less than the assumed load threshold value of described community, for described community is in non-congestion state.
11. 1 kinds of congested policy management systems of Radio Access Network, is characterized in that, described system comprises:
Load-Aware function, for obtaining the information of the flow information of each user equipment (UE) and the community of access thereof, and adds up the load of each community, according to the congestion state of the each community of determination of power load of each community;
"Policy and Charging Rules Function PCRF, for obtaining the congestion state of each community from described Load-Aware function, and determines the congestion management strategy of described community according to the congestion state of community.
12. systems according to claim 11, is characterized in that, described PCRF, also for receiving the PCC request of business, determines that the community that described business uses is current in the time of congestion state,
Refusal is described service authorization service quality QoS resource; Or, according to the information of the user gradation of service request, service priority, be described service authorization QoS resource, and reduce the QoS resource that the business lower than described service priority takies.
13. systems according to claim 11, is characterized in that, described system also comprises Gateway GPRS Support Node GGSN or grouped data network gateway P-GW or gateway S-GW, and RAN;
Described GGSN or P-GW or S-GW report the information of the flow information of each UE and the community of access thereof to described Load-Aware function;
Or described GGSN or P-GW or S-GW report the flow information of each UE to described Load-Aware function, wireless access network RAN reports the information of the community of each UE access to described Load-Aware function.
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| CN201310091602.8A CN104066115A (en) | 2013-03-20 | 2013-03-20 | Wireless access network congestion management method and apparatus, and wireless access network congestion policy management method and system |
| PCT/CN2014/070186 WO2014146502A1 (en) | 2013-03-20 | 2014-01-06 | Radio access network congestion management method and apparatus, and congestion strategy management method and system |
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| CN201310091602.8A CN104066115A (en) | 2013-03-20 | 2013-03-20 | Wireless access network congestion management method and apparatus, and wireless access network congestion policy management method and system |
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| WO2014146502A1 (en) | 2014-09-25 |
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