CN102215469A

CN102215469A - Policy and charging control (PCC) method and system based on network load

Info

Publication number: CN102215469A
Application number: CN2010105186225A
Authority: CN
Inventors: 周晓云; 宗在峰; 刘霖
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2010-04-09
Filing date: 2010-10-12
Publication date: 2011-10-12
Anticipated expiration: 2030-10-12
Also published as: CN102215469B; WO2011124106A1

Abstract

The invention provides a policy and charging control (PCC) method and a system based on the network load. The method comprises the following steps: when a policy and charging rule function (PCRF) makes a policy decision, according to whether a wireless base station accessed currently to a user equipment (UE) supports an explicit congestion notification (ECN) and the UE and the correspondent node of the UE support the ECN, the Maximum BitRate (MBR) in the Quality of Service (QoS) information of the policy is set to be greater than a Guarantee BitRate (GBR), or the MBR in the QoS information of the policy is set to be equal to the GBR; the PCRF sends the policy to a policy implementation function, and the policy implementation function implements the policy. The invention also provides a PCC system based on the network load.

Description

A kind of strategic charging control method of load Network Based and system

Technical field

The present invention relates to the communications field, relate in particular to a kind of strategic charging control method and system of load Network Based.

Background technology

Since third generation partner program stage 7 (3GPP Release7) standards system, strategy and billing function are realized by the strategy and control (PCC, the Policy and Charging Control) framework that charges.The PCC framework is a functional framework that can be applied to multiple access technology, for example, the PCC framework can be applied to universal mobile telecommunications system (UMTS, Universal Mobile Telecommunications System) terrestrial radio Access Network (UTRAN, UMTS Terrestrial Radio Access Network), global system for mobile communications (GSM, Global system for Mobile Communication)/GSM data enhancing evolution (EDGE) wireless access network, the grouping system of intercommunicated wireless local area network (I-WLAN) and evolution (EPS, Evolved Packet System) etc.

PCC has mainly realized policy control and the two big functions of chargeing.Fig. 1 forms configuration diagram for existing PCC, below each logical functional entity and interface function thereof in the PCC framework shown in Figure 1 is described.As shown in Figure 1:

AF (Application Function, Application Function) is used to provide the access point of service application, and the employed Internet resources of these service application need carry out dynamic policy control.When service surface was carried out parameter negotiation, AF passed to strategy and charging regulation function entity (PCRF, Policy and Charging Rules Function) with related service information.If these business information are tactful consistent with PCRF's, then PCRF accepts this negotiation; Otherwise PCRF refuses this negotiation, and provides the acceptable service parameter of PCRF when feedback.Subsequently, AF can return to these parameters subscriber equipment (UE, User Equipment).Wherein, the interface between AF and the PCRF is a Rx interface.Proxy-Call Session Control Function in the IP Multimedia System (IMS, IP Multimedia Subsystem) (P-CSCF, Proxy Call Session Control Function) can be thought a kind of AF.

PCRF is the core of PCC, is used for being responsible for the formulation of strategic decision-making and charging regulation.PCRF provides the network control rule based on business data flow, and these network controls comprise detection, gate (Gating Control), service quality (QoS, the Quality of Service) control of business data flow and based on the charging regulation of data flow etc.PCRF sends to strategy and charging execution function entity (PCEF, Policy and Control Enforcement Function) execution with the strategy and the charging regulation of its formulation; Simultaneously, PCRF needs also to guarantee that these rules are consistent with user's CAMEL-Subscription-Information.Wherein, PCRF generates strategy and comprises with the foundation of charging regulation: the information relevant that obtains from AF with business, obtain from user-subscribed database (SPR, Subscription Profile Repository) with policy control and charge relevant user policy, billing control and subscription information and by the Gx interface from the PCEF acquisition with the information of carrying network of relation.

PCEF be usually located at gateway (GW, Gate-Way) in, carry out strategy and the charging regulation that PCRF formulated at loading end.PCEF detects business data flow according to the business datum flow filter in the rule that PCRF sent, and then these business data flows are carried out strategy and the charging regulation that PCRF formulated; When carrying was set up, the rule that PCEF sends according to PCRF was carried out the QoS mandate, and carried out gate control according to the execution of AF; Simultaneously, PCEF triggers according to the PCRF events subscribed and reports event on the bearer network; According to the charging regulation that PCRF sends, PCEF carries out corresponding business data flow billing operation, and chargeing both can be online charging, also can be offline charging.If online charging, then PCEF needs and Online Charging System (OCS, Online Charging System) carry out credit management together; During offline charging, the charge information of exchange correlation between PCEF and the off-line accounting system (OFCS, Offline Charging System).Wherein, the interface between PCEF and the PCRF is the Gx interface, and the interface between PCEF and the OCS is the Gy interface, and the interface between PCEF and the OFCS is the Gz interface.PCEF generally is positioned on the gateway of network, grouped data network gateway (PDN-GW), GPRS (GPRS as EPS, General Packet Radio Service) GGSN (GGSN) in and interconnected wireless network local area network (LAN) (I-WLAN, Interworking WLAN) packet data gateway in (PDG, Packet Data Gateway) etc.

Bearing binding and event reporting function entity (BBERF, Bearer Binding and Event Reporting Function) are usually located in the Access Network gateway (Access Network Gateway).As inserting between EPS, gateway S-GW and the P-GW when adopting proxy mobile internet protocol version 6 (PMIPv6, Proxy Mobile Internet Protocol version 6) agreement by E-UTRAN, just there is BBERF among the S-GW when subscriber equipment.When subscriber equipment inserted by the trusted non-3 GPP access network, also there was BBERF in the trusted non-3 GPP access network Central Shanxi Plain.

User-subscribed database (SPR) stores and the policy control and the relevant user policy, billing control and subscription information that charges.Interface between SPR and the PCRF is the Sp interface.

OCS and PCEF finish the control and the management of user credit under the online charging mode jointly.

OFCS and PCEF finish the billing operation under the offline charging mode jointly.

UE (User Equipment, subscriber equipment) setting up PDN by wireless telecommunication system (as GRPS, UMTS, EPS) connects, also claim IP-CAN (IP-Connectivity Access Network, IP connects Access Network) session to realize the visit of IP operation that operator or third party are provided.PCRF carries out strategic decision-making according to the QoS demand of the business of user capture, and initiates the resource reservation process so that the QoS guarantee of Operational Visit to be provided in wireless telecommunication system.

For some business, the wireless telecommunication system speed (Guarantee BitRate, be called for short GBR) that can provide safeguard for the transmission of this business is to satisfy the needed lowest-bandwidth of this business data flow of transmission.Maximum rate (Maximum BitRate is called for short MBR) also can be set, to limit the maximum rate of this business datum flow transmission simultaneously.For the QoS security mechanism realizes simply, usually the value of GBR is arranged to identical with the value of MBR.The shortcoming of this scheme is, when the speed of professional actual transmissions during less than MBR, network remains MBR for the resource of this traffic assignments, and for saving Internet resources, it is unfavorable to reduce operating cost of operator.

At present, industry is being studied the QoS security mechanism that how to realize MBR＞GBR.Network gives the business guarantee bandwidth that transmission provides less than this business peak transfer rate.When network load is light, the speed rates that network can provide MBR for this business to be providing user experience preferably, and when network load heavier, particularly occur (mainly being meant the congested of wireless side) when congested, reduce the speed of professional transmission, the GBR bandwidth safeguard only is provided.Guarantee carrying out smoothly of Operational Visit by reducing bandwidth.By the dynamic adjustment of transmission rate, can save Internet resources, reduce operating cost of operator.

In order to realize above-mentioned mechanism, at first ECN (Explicit Congestion Notification, ecn (explicit congestion notification)) mechanism must be supported in UE and wireless base station.Fig. 2 is that the ECN of downlink data detects schematic diagram.UE B is to the rate sending data of UE A with MBR, and the IP packet header ECN of these data is labeled as and is set to ECT (0) (promptly not congested), and when this packet during through wireless base station A, the ECN position of wireless base station A packet is set to ECN-CE (indicating congested).After UE A detects the ECN-CE value, judge to have occurred congestedly on its downlink path that UE A sends the request message of changing down to UE B.After UE B receives this request message, with the rate sending data of GBR.Like this, packet just can not occur the packet loss phenomenon because the wireless base station is congested, and the assurance business can normally be visited.Fig. 3 is that the ECN of upstream data detects schematic diagram.UE A is to the rate sending data of UE B with MBR, and the IP packet header ECN of these data is labeled as and is set to ECT (0) (promptly not congested), and when this packet during through wireless base station A, the ECN position of wireless base station A packet is set to ECN-CE.After UE B detects the ECN-CE value, judge to have occurred congestedly on its up path that UE B sends the request message of changing down to UE A.After UE A receives this request message, with the rate sending data of GBR.Because what communicating pair (being UE A and UE B) carried out the speed adjustment needs the regular hour alternately, therefore in order to guarantee to take place when congested, communicating pair can have time enough to carry out the speed adjustment, and the wireless base station need guarantee in graceful period (grace period) of an acquiescence after it is provided with congested indicating bit (being ECN-CE) (for example at least 300 milliseconds or at least 500 milliseconds) not packet loss.In this graceful period, the wireless base station also needs to satisfy other QoS demands of current data packet (as QoS classification logotype (QoS Class Identifier, QCI) characteristic).At present, the scene of MBR＞GBR is carried out policy control when how to use the PCC realization that this service data transmission is flowed, and finally realizes the policy and charging control of load Network Based, does not also have total solution.

Summary of the invention

Technical problem to be solved by this invention is, overcomes the deficiencies in the prior art, and a kind of policy control method and system of load Network Based is provided.

In order to address the above problem, the invention provides a kind of strategic charging control method of load Network Based, comprising:

When strategy carries out strategic decision-making with charging regulation function entity (PCRF), whether support according to the wireless base station of the current access of subscriber equipment whether ecn (explicit congestion notification) (ECN) and described subscriber equipment and Correspondent Node thereof support ECN, maximum rate in the quality of service information of Provisioning Policy is greater than ensureing speed, and perhaps the maximum rate in the quality of service information of Provisioning Policy equals to ensure speed;

Described PCRF sends described strategy to policy execution entity, and described policy execution entity is carried out described strategy.

Further, said method also can have following characteristics, if ECN is supported in the wireless base station of the current access of described subscriber equipment, and described subscriber equipment and Correspondent Node thereof support ECN, and described PCRF is provided with maximum rate in the quality of service information of described strategy greater than ensureing speed.

Further, said method also can have following characteristics, if ECN is not supported in the wireless base station of the current access of described subscriber equipment, perhaps, described subscriber equipment or its Correspondent Node are not supported ECN, and the maximum rate that described PCRF is provided with in the quality of service information of described strategy equals to ensure speed.

Further, said method also can have following characteristics, and described PCRF obtains described subscriber equipment and whether Correspondent Node supports ECN from Application Function (AF); When described PCRF receives communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof support ECN; When described PCRF does not receive communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof do not support ECN.

Further, said method also can have following characteristics, and whether described PCRF supports ECN from the wireless base station that strategy and charging execution function entity (PCEF) or bearing binding and event reporting function entity (BBERF) obtain the current access of described subscriber equipment; When described PCRF when the indication of ECN is supported in the wireless base station that described PCEF or described BBERF receive the current access of subscriber equipment, described PCEF judges that the wireless base station of the current access of described subscriber equipment supports ECN; Do not support the indication of ECN from the wireless base station that described PCEF or described BBERF receive the current access of subscriber equipment as described PCRF, perhaps, when described PCRF did not support the indication of ECN from the wireless base station that described PECF or described BBERF receive the current access of subscriber equipment, described PCRF judged that the wireless base station of the current access of described subscriber equipment do not support ECN; Perhaps, described PCRF judges according to configuration information whether the wireless base station of the current access of described subscriber equipment supports ECN.

Further, said method also can have following characteristics, and described PCEF obtains the indication whether wireless base station that described subscriber equipment inserts supports ECN according to following mode:

Mobile management entity (MME) or service GPRS gateway support (SGSN) receive the indication whether described wireless base station supports ECN from the wireless base station of the current access of described subscriber equipment, perhaps, after described MME or described SGSN judged according to configuration information whether the wireless base station of the current access of described subscriber equipment supports the ECN ability, described MME or SGSN sent the wireless base station of the current access of subscriber equipment and whether support the gateway that the indication of ECN is positioned to described PCEF.

Further, said method also can have following characteristics, and described BBERF obtains the indication whether wireless base station that subscriber equipment inserts supports ECN in the following way:

MME receives the indication whether this wireless base station supports ECN from the wireless base station of the current access of described subscriber equipment, perhaps, after described MME judged according to configuration information whether the wireless base station of the current access of described subscriber equipment supports the ECN ability, described MME sent the wireless base station of the current access of described subscriber equipment and whether supports the gateway that the indication of ECN is positioned to described BBERF.

The invention provides a kind of strategic charging control method of load Network Based, comprising:

When strategy carries out strategic decision-making with charging regulation function entity (PCRF), whether support whether support ECN according to the wireless base station of the current access of subscriber equipment based on the congested control of ecn (explicit congestion notification) (ECN) and described subscriber equipment and Correspondent Node thereof, maximum rate in the quality of service information of Provisioning Policy is greater than ensureing speed, and perhaps the maximum rate in the quality of service information of Provisioning Policy equals to ensure speed;

Further, said method also can have following characteristics, if the wireless base station support of the current access of described subscriber equipment is based on the congested control of ECN, and described subscriber equipment and Correspondent Node thereof are supported ECN, and described PCRF is provided with maximum rate in the quality of service information of described strategy greater than ensureing speed.

Further, said method also can have following characteristics, if the congested control based on ECN is not supported in the wireless base station of the current access of described subscriber equipment, perhaps, described subscriber equipment or its Correspondent Node are not supported ECN, and the maximum rate that described PCRF is provided with in the quality of service information of described strategy equals to ensure speed.

Further, said method also can have following characteristics, and whether described PCRF supports the congested control based on ECN from the wireless base station that strategy and charging execution function entity (PCEF) or bearing binding and event reporting function entity (BBERF) obtain the current access of described subscriber equipment; The wireless base station support that receives the current access of subscriber equipment from described PCEF or described BBERF as described PCRF is during based on the indication of the congested control of ECN, and described PCRF judges the congested control of the wireless base station support of the current access of described subscriber equipment based on ECN; When described PCRF does not receive the congested control indication of the wireless base station support of the current access of subscriber equipment based on ECN from described PCEF or described BBERF, perhaps, when described PCRF did not support based on the congested control indication of ECN from the wireless base station that described PECF or described BBERF receive the current access of subscriber equipment, described PCRF judged that the wireless base station of the current access of described subscriber equipment do not support the congested control based on ECN; Perhaps, whether the described PCRF wireless base station that obtains the current access of described subscriber equipment according to configuration information supports the congested control based on ECN.

Further, said method also can have following characteristics, the wireless base station support of the current access of described subscriber equipment is meant based on the congested control of ECN that ECN is supported in described wireless base station and after using described ECN to indicate congested generation, guarantees not packet loss and/or satisfy quality of service class sign QCI characteristic in the graceful time period.

Further, said method also can have following characteristics, and described PCEF obtains wireless base station that described subscriber equipment inserts according to following mode and whether supports indication based on the congested control of ECN:

Mobile management entity (MME) or service GPRS gateway support (SGSN) receive described wireless base station and whether support indication based on the congested control of ECN from the wireless base station of the current access of described subscriber equipment, perhaps, after described MME or described SGSN judged according to configuration information whether the wireless base station of the current access of described subscriber equipment supports congested control ability based on ECN, whether the wireless base station that described MME or SGSN send the current access of subscriber equipment supported the gateway that the indication based on the congested control of ECN is positioned to described PCEF.

Further, said method also can have following characteristics, and described BBERF obtains wireless base station that subscriber equipment inserts in the following way and whether supports indication based on the congested control of ECN:

MME receives this wireless base station and whether supports indication based on the congested control of ECN from the wireless base station of the current access of described subscriber equipment, perhaps, after described MME judged according to configuration information whether the wireless base station of the current access of described subscriber equipment supports ability based on the congested control of ECN, whether the wireless base station that described MME sends the current access of described subscriber equipment supported the gateway that the indication based on the congested control of ECN is positioned to described BBERF.

The present invention also provides a kind of policy charging control system of load Network Based, comprises PCRF and policy execution entity:

Described PCRF, when being used to carry out strategic decision-making, whether support according to the wireless base station of the current access of subscriber equipment whether ECN and described subscriber equipment and Correspondent Node thereof support ECN, maximum rate in the quality of service information of Provisioning Policy is greater than ensureing speed, perhaps the maximum rate in the quality of service information of Provisioning Policy equals to guarantee speed, issues described strategy to policy execution entity;

Described policy execution entity is used for receiving described strategy from described PCRF, carries out described strategy.

Further, said system also can have following characteristics, and described PCRF is used for supporting ECN when the wireless base station of the current access of described subscriber equipment, and described subscriber equipment and Correspondent Node thereof are supported ECN, maximum rate in the quality of service information of described strategy are set greater than ensureing speed.

Further, said system also can have following characteristics, described PCRF, be used for not supporting ECN when the wireless base station of the current access of described subscriber equipment, perhaps, when described subscriber equipment or its Correspondent Node were not supported ECN, the maximum rate that is provided with in the quality of service information of described strategy equaled to ensure speed.

Further, said system also can have following characteristics, and described PCRF is used for obtaining described subscriber equipment and whether Correspondent Node supports ECN from AF; When described PCRF receives communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof support ECN; When described PCRF does not receive communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof do not support ECN.

Further, said system also can have following characteristics, and described system also comprises PCEF or BBERF, wherein:

Described PCRF, whether the wireless base station that is used for obtaining from PCEF or BBERF the current access of described subscriber equipment supports ECN; When described PCRF when the indication of ECN is supported in the wireless base station that described PCEF or described BBERF receive the current access of subscriber equipment, described PCEF judges that the wireless base station of the current access of described subscriber equipment supports ECN; Do not support the indication of ECN from the wireless base station that described PCEF or described BBERF receive the current access of subscriber equipment as described PCRF, perhaps, when described PCRF did not support the indication of ECN from the wireless base station that described PECF or described BBERF receive the current access of subscriber equipment, described PCRF judged that the wireless base station of the current access of described subscriber equipment do not support ECN; Perhaps,

Described PCRF is used for judging according to configuration information whether the wireless base station of the current access of described subscriber equipment supports ECN.。

Further, said system also can have following characteristics, and described system also comprises MME or SGSN, wherein:

Described MME or SGSN, be used for receiving the indication whether described wireless base station supports ECN from the wireless base station of the current access of described subscriber equipment, perhaps, after judging according to configuration information whether the wireless base station of the current access of described subscriber equipment supports the ECN ability, whether the wireless base station that sends the current access of subscriber equipment supports the gateway that the indication of ECN is positioned to described PCEF.

Further, said system also can have following characteristics, and described system also comprises MME, wherein:

Described MME, be used for receiving the indication whether this wireless base station supports ECN from the wireless base station of the current access of described subscriber equipment, perhaps, after judging according to configuration information whether the wireless base station of the current access of described subscriber equipment supports the ECN ability, whether the wireless base station that sends the current access of described subscriber equipment supports the gateway that the indication of ECN is positioned to described BBERF.

Described PCRF, when being used to carry out strategic decision-making, whether support whether support ECN according to the wireless base station of the current access of subscriber equipment based on the congested control of ECN and described subscriber equipment and Correspondent Node thereof, maximum rate in the quality of service information of Provisioning Policy is greater than ensureing speed, perhaps the maximum rate in the quality of service information of Provisioning Policy equals to ensure speed, issues described strategy to policy execution entity;

Further, said system also can have following characteristics, described PCRF, be used for working as the congested control of the wireless base station support of the current access of described subscriber equipment based on ECN, and described subscriber equipment and Correspondent Node thereof are supported ECN, maximum rate in the quality of service information of described strategy are set greater than ensureing speed.

Further, said system also can have following characteristics, described PCRF, be used for wireless base station when the current access of described subscriber equipment and do not support congested control based on ECN, perhaps, when described subscriber equipment or its Correspondent Node were not supported based on the congested control of ECN, the maximum rate that is provided with in the quality of service information of described strategy equaled to ensure speed.

Described PCRF is used for whether supporting from the wireless base station that PCEF or BBERF obtain the current access of described subscriber equipment the congested control based on ECN; The wireless base station support that receives the current access of subscriber equipment from described PCEF or described BBERF as described PCRF is during based on the indication of the congested control of ECN, and described PCRF judges the congested control of the wireless base station support of the current access of described subscriber equipment based on ECN; When described PCRF does not receive the indication of the wireless base station support of the current access of subscriber equipment based on the congested control of ECN from described PCEF or described BBERF, perhaps, when described PCRF did not support based on the indication of the congested control of ECN from the wireless base station that described PECF or described BBERF receive the current access of subscriber equipment, described PCRF judged that the wireless base station of the current access of described subscriber equipment do not support the congested control based on ECN; Perhaps

Described PCRF is used for judging according to configuration information whether the wireless base station of the current access of described subscriber equipment supports the congested control based on ECN.

Further, said system also can have following characteristics, the wireless base station support of the current access of described subscriber equipment is meant based on the congested control of ECN that ECN is supported in described wireless base station and after using described ECN to indicate congested generation, guarantees not packet loss and/or satisfy quality of service class sign QCI characteristic in the graceful time period.

Described MME or SGSN, be used for receiving described wireless base station and whether support indication based on the congested control of ECN from the wireless base station of the current access of described subscriber equipment, perhaps, after judging according to configuration information whether the wireless base station of the current access of described subscriber equipment supports ability based on the congested control of ECN, whether the wireless base station that sends the current access of subscriber equipment supports the gateway that the indication based on the congested control of ECN is positioned to described PCEF.

Further, said system also can have following characteristics, described MME, be used for receiving this wireless base station and whether support indication based on the congested control of ECN from the wireless base station of the current access of described subscriber equipment, perhaps, after judging according to configuration information whether the wireless base station of the current access of described subscriber equipment supports ability based on the congested control of ECN, whether the wireless base station that sends the current access of described subscriber equipment supports the gateway that the indication based on the congested control of ECN is positioned to described BBERF.

The present invention can realize the policy and charging control of load Network Based, when load is light, allows professional transmission rate to reach MBR, and when load was heavier, service transmission rate was GBR.

Description of drawings

Fig. 1 is the PCC Organization Chart;

Fig. 2 utilizes the ECN base station to carry out the schematic flow sheet that upstream data rate is adjusted in the prior art;

Fig. 3 utilizes the ECN base station to carry out the schematic flow sheet that downstream data rate is adjusted in the prior art;

Fig. 4 is the embodiment of the invention one flow chart;

Fig. 5 is the embodiment of the invention two flow charts;

Fig. 6 is the embodiment of the invention three flow charts;

Fig. 7 is the embodiment of the invention four flow charts.

Embodiment

When PCRF carries out strategic decision-making, whether support according to the wireless base station of the current access of subscriber equipment whether ECN and described subscriber equipment and Correspondent Node thereof support ECN, maximum rate in the quality of service information of Provisioning Policy is greater than ensureing speed, and perhaps the maximum rate in the quality of service information of Provisioning Policy equals to ensure speed;

Wherein, if ECN is supported in the wireless base station of the current access of described subscriber equipment, and described subscriber equipment and Correspondent Node thereof support ECN, and described PCRF is provided with maximum rate in the quality of service information of described strategy greater than ensureing speed; If ECN is not supported in the wireless base station of the current access of described subscriber equipment, perhaps, described subscriber equipment or its Correspondent Node are not supported ECN, and the maximum rate that described PCRF is provided with in the quality of service information of described strategy equals to ensure speed.

Wherein, described PCRF obtains described subscriber equipment and whether Correspondent Node supports ECN from AF; When described PCRF receives communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof support ECN; When described PCRF does not receive communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof do not support ECN.(annotating: whether support ECN) from AF obtaining communication both sides

Wherein, whether described PCRF supports ECN from the wireless base station that PCEF or BBERF obtain the current access of described subscriber equipment; When described PCRF when the indication of ECN is supported in the wireless base station that described PCEF or described BBERF receive the current access of subscriber equipment, described PCRF judges that the wireless base station of the current access of described subscriber equipment supports ECN; Do not support the indication of ECN from the wireless base station that described PCEF or described BBERF receive the current access of subscriber equipment as described PCRF, perhaps, when described PCRF did not support the indication of ECN from the wireless base station that described PECF or described BBERF receive the current access of subscriber equipment, described PCRF judged that the wireless base station of the current access of described subscriber equipment do not support ECN; Perhaps,

Described PCRF judges according to configuration information whether the wireless base station of the current access of described subscriber equipment supports ECN.

Wherein, described PCEF obtains the indication whether wireless base station that described subscriber equipment inserts supports ECN according to following mode:

MME or SGSN receive the indication whether described wireless base station supports ECN from the wireless base station of the current access of described subscriber equipment, perhaps, after described MME or described SGSN judged according to configuration information whether the wireless base station of the current access of described subscriber equipment supports the ECN ability, described MME or SGSN sent the wireless base station of the current access of subscriber equipment and whether support the gateway that the indication of ECN is positioned to described PCEF.

Wherein, described BBERF obtains the indication whether wireless base station that subscriber equipment inserts supports ECN in the following way:

Wherein, described policy execution entity is PCEF, and perhaps PCEF and BBERF, described PCRF send out strategy described to described PCEF, perhaps, issue described strategy to described PCEF and described BBERF; Described PCEF or described BBERF carry out described strategy.

When PCRF carries out strategic decision-making, whether support whether support ECN according to the wireless base station of the current access of subscriber equipment based on the congested control of ECN and described subscriber equipment and Correspondent Node thereof, maximum rate in the quality of service information of Provisioning Policy is greater than ensureing speed, and perhaps the maximum rate in the quality of service information of Provisioning Policy equals to ensure speed;

Wherein, if the wireless base station support of the current access of described subscriber equipment based on the congested control of ECN, and described subscriber equipment and Correspondent Node thereof support ECN, described PCRF is provided with maximum rate in the quality of service information of described strategy greater than ensureing speed.

Wherein, if the congested control based on ECN is not supported in the wireless base station of the current access of described subscriber equipment, perhaps, described subscriber equipment or its Correspondent Node are not supported ECN, and the maximum rate that described PCRF is provided with in the quality of service information of described strategy equals to ensure speed.

Wherein, described PCRF obtains described subscriber equipment and whether Correspondent Node supports ECN from AF; When described PCRF receives communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof support ECN; When described PCRF does not receive communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof do not support ECN.

Wherein, whether described PCRF supports the congested control based on ECN from the wireless base station that PCEF or BBERF obtain the current access of described subscriber equipment; The wireless base station support that receives the current access of subscriber equipment from described PCEF or described BBERF as described PCRF is during based on the indication of the congested control of ECN, and described PCRF judges the congested control of the wireless base station support of the current access of described subscriber equipment based on ECN; When described PCRF does not receive the congested control indication of the wireless base station support of the current access of subscriber equipment based on ECN from described PCEF or described BBERF, perhaps, when described PCRF did not support based on the congested control indication of ECN from the wireless base station that described PECF or described BBERF receive the current access of subscriber equipment, described PCRF judged that the wireless base station of the current access of described subscriber equipment do not support the congested control based on ECN; Perhaps

Whether the wireless base station that described PCRF obtains the current access of described subscriber equipment according to configuration information supports the congested control based on ECN.

Wherein, the wireless base station support of the current access of described subscriber equipment is meant based on the congested control of ECN that ECN is supported in described wireless base station and after using described ECN to indicate congested generation, guarantees not packet loss and/or satisfy quality of service class sign QCI characteristic in the graceful time period.

Wherein, described PCEF obtains wireless base station that described subscriber equipment inserts according to following mode and whether supports indication based on the congested control of ECN:

MME or SGSN receive described wireless base station and whether support indication based on the congested control of ECN from the wireless base station of the current access of described subscriber equipment, perhaps, after described MME or described SGSN judged according to configuration information whether the wireless base station of the current access of described subscriber equipment supports congested control ability based on ECN, whether the wireless base station that described MME or SGSN send the current access of subscriber equipment supported the gateway that the indication based on the congested control of ECN is positioned to described PCEF.

Wherein, described BBERF obtains wireless base station that subscriber equipment inserts in the following way and whether supports indication based on the congested control of ECN:

Embodiment 1

What present embodiment was described is after the user sets up IP-CAN (IP-Connectivity Access Network, IP connected reference network) session, and after UE initiated Operational Visit, PCRF carried out strategic decision-making.Wherein the IP-CAN session of UE foundation does not have BBERF to exist.Detailed process may further comprise the steps as shown in Figure 4:

Step 401: set up in the process of IP-CAN session in the UE request, the IP-CAN conversation message is set up in the PCEF request of receiving, carry the PDN sign of user's user ID and the PDN network that request inserts in this message, in the present embodiment, at this moment, PCEF will receive the indication of the wireless base station support ECN of the current access of UE from lower network element (for example S-GW the EPS system or the SGSN in the UMTS system etc.);

Wherein, in the EPS system, PCEF receives that from lower network element wireless base station that UE inserts supports that the detailed process of indication of ECN is as follows:

In the attachment flow of UE, UE is to eNodeB (Evolved Node B, the Node B of evolution) sends Attach Request message, eNodeB is again to MME (Mobility Management Entity, mobile management entity) sends Attach Request message, and in this Attach Request message, carry eNodeB and support the ECN indication; MME is to S-GW (Serving Gateway subsequently, gateway) sends the establishment conversation request message, carry the indication of eNodeB support ECN in this establishment conversation request message, S-GW is again to P-GW (PDN Gateway, grouped data network gateway) sends the establishment conversation request message, carry the indication of eNodeB support ECN in this establishment conversation request message, the PCEF that is positioned at P-GW has so just obtained the indication of the eNodeB support ECN of the current access of UE;

Perhaps, setting up in the other PDN connection flow process at UE (is after UE is adhering to, also setting up another one PDN connects, at this moment the P-GW that selects when adhering to of the P-GW of Xuan Zeing may be different), UE sends the PDN connection request to MME, MME sends connection request message to S-GW afterwards, the eNodeB that carries the current access of UE in this connection request message supports the indication of ECN, S-GW sends to P-GW and creates conversation request message, the eNodeB that carries the UE access in this establishment conversation request message supports the indication of ECN, like this, the PCEF that is positioned at P-GW has just obtained the indication that eNodeB that UE inserts supports ECN.

In above-mentioned two processes, eNodeB also can not report its indication of supporting the ECN ability, but judges that according to configuration information this eNodeB supports the ECN ability by MME, and reports eNodeB to support the indication of ECN ability to S-GW.

In the UMTS system, PCEF receives that from lower network element the NodeB of the current access of UE supports the indication process of ECN and EPS system class seemingly, the ECN ability indication of the NodeB of the current access of UE sends to RNC by NodeB, send to SGSN or judge that according to configuration information NodeB supports ECN by RNC again by SGSN, send to GGSN by SGSN again, like this, the PCEF that the is positioned at GGSN NodeB that just can obtain the current access of UE supports the indication of ECN ability.

Step 402:PCEF sends the IP-CAN session to PCRF and sets up Indication message, and this IP-CAN session is set up and carried user ID, PDN sign in the Indication message, is the indication of the wireless base station support ECN of the received current access of UE of UE IP address allocated (IPAddress) and PCEF;

After step 403:PCRF receives that above-mentioned IP-Indication message is set up in the CAN session, send signatory document request message, carry user ID and PDN sign in this signatory document request message to SPR;

After step 404:SPR receives above-mentioned signatory document request message, return user's CAMEL-Subscription-Information to PCRF according to wherein user ID and PDN sign;

Step 405:PCRF receives above-mentioned CAMEL-Subscription-Information, generates strategy and is handed down to PCEF according to the subscription data that returns, and the strategy of being formulated comprises PCC rule and event trigger.Optionally, comprise ECN_CAPABILITY_CHANGE in the event trigger value;

Step 406:PCEF sets up the IP-CAN conversation message to the UE echo reply, carries the IP Address of UE in this response message;

By above-mentioned steps, after UE sets up the IP-CAN session, initiate Operational Visit.UE will carry out alternately (as interactive sessions initiation protocol (SIP) signaling) with AF, to consult to determine the business information of Operational Visit, as medium type, qos parameter, type of coding etc.In this process, UE can notify its support of AF ECN ability, and ability (also can be notified its support of AF ECN as another UE or AS (Application Server, application server) in the opposite end of UE communication.

Step 407: after consulting to finish, AF sends the service/application informational message to PCRF, carries the IP Address of UE in this message, and the business information after consulting, as medium type, qos parameter, type of coding etc.AF also can carry the indication that communicating pair is supported ECN;

When communicating pair (being subscriber equipment and Correspondent Node thereof) when the either party does not support ECN, AF does not send communicating pair and supports the indication of ECN to PCRF.

Step 408:PCRF returns acknowledge message to AF after preserving business information;

Step 409:PCRF carries out strategic decision-making, the business information that provides according to CAMEL-Subscription-Information, AF, network strategy etc. are formulated the PCC rule, and support the ECN indication according to the wireless base station that PCEF sends, the communicating pair that AF sends is supported the indication of ECN, and the MBR＞GBR among the QoS of PCC rule is set;

Step 410:PCRF gives information to PCEF transmission strategy and charging regulation, carries the PCC rule that step 409 is formulated;

Step 411:PCEF installs the PCC rule, and returning strategy and charging regulation provides acknowledge message to PCRF;

Step 412:PCEF implementation strategy is initiated the resource reservation process, wherein comes Resources allocation according to GBR, and PCEF is that the business of MBR＞GBR is set up a carrying separately and transmitted this business.

Wherein, in the EPS system, PCEF initiates the resource reservation process to lower network element: the P-GW that PCEF was positioned at sends the carrying request of creating to S-GW, carry the QoS information (comprising GBR, MBR) in the PCC rule, S-GW sends the carrying request of creating to MME again, and MME further sends carrying to eNodeB and sets up request, carries QoS information, eNodeB is this carrying Resources allocation according to GBR, and bandwidth provides safeguard.Simultaneously, when load was light, eNodeB allowed professional transmission rate to reach MBR.

In the UMTS system, PCEF initiates the resource reservation process to lower network element: the GGSN that PCEF was positioned at sends initial p DP context activation request message to SGSN, carry the QoS information (comprising GBR, MBR) in the PCC rule, SGSN further sends request second PDP context activation to UE.Subsequently, UE will initiate second pdp context activation, NodeB, and RNC, SGSN, GGSN is this carrying Resources allocation.NodeB GBR is this carrying Resources allocation, and bandwidth provides safeguard.Simultaneously, when load was light, NodeB allowed professional transmission rate to reach MBR.

Embodiment 2

What present embodiment was described is after the user sets up the IP-CAN session, and UE initiates Operational Visit, and PCRF carries out strategic decision-making.Wherein the IP-CAN session of UE foundation has BBERF to exist.Detailed process may further comprise the steps as shown in Figure 5:

Step 501: set up in the process of IP-CAN session in the UE request, BBERF the request of receiving of resident gateway set up the IP-CAN conversation message, carry the PDN sign of user's user ID and the PDN network that request inserts in the message, this moment, BBERF received that from lower network element (for example the S-GW the EPS system etc.) UE current wireless base station supports the indication of ECN;

Wherein, in the EPS system, BBERF receives that from lower network element UE current wireless base station supports that the detailed process of indication of ECN is as follows:

In the attachment flow of UE, UE sends Attach Request message to eNodeB, and eNodeB sends Attach Request message to MME again, and carries the indication that ECN is supported in UE current wireless base station in this Attach Request message.MME sends to S-GW and creates conversation request message afterwards, carries the indication that ECN is supported in UE current wireless base station in this establishment conversation request message, and like this, the BBERF that is positioned at S-GW has just obtained the indication of UE current wireless base station support ECN;

Perhaps, setting up in the other PDN connection flow process at UE (is after UE is adhering to, also setting up another one PDN connects, at this moment the P-GW of the Xuan Zeing P-GW that may select when adhering to is different), UE sends the PDN connection request to MME, sends connection request message by MME to S-GW again, carries the indication that ECN is supported in UE current wireless base station in this connection request message, like this, the indication of ECN is supported in the BBERF that the is positioned at S-GW wireless base station that just obtained the current access of UE.

Step 502:BBERF sends gateway control session to PCRF and sets up message, and this gateway control session is set up and carried the indication that ECN is supported in user ID, PDN sign and the current access of UE wireless base station in the message;

Step 503:PCRF receives above-mentioned gateway control session and sets up message, sends signatory document request message to SPR, carries user ID and PDN sign in this signatory document request message;

Step 504:SPR receives above-mentioned signatory document request message, and identifies the CAMEL-Subscription-Information that returns the user to PCRF according to user ID and PDN wherein;

Step 505:PCRF generates strategy according to the subscription data that returns, and wherein, the strategy that PCRF formulates comprises the PCC rule, and corresponding QoS rule and event trigger wherein, comprise cell change in the event trigger value.PCRF returns the gateway session and sets up acknowledge message to BBERF, and described gateway session is set up acknowledge message and comprised QoS rule and the event trigger of being formulated, and BBERF receives QoS rule and event trigger, and installs and carry out;

The resident gateway of step 506:BBERF to PCEF resident gateway send request and set up the IP-CAN conversation message, this request is set up and is carried user ID and PDN sign in the IP-CAN conversation message;

After the IP-CAN conversation message is set up in the step 507:PCEF request of receiving, send the IP-CAN session to PCRF and set up Indication message, this IP-CAN session is set up and is carried user ID in the Indication message, and PDN sign and gateway are the IP Address that UE distributes;

Step 508:PCRF receives after the IP-CAN session sets up Indication message, according to user ID, the gateway control session that the PDN sign is set up step 502 is carried out related with the IP-CAN session that step 507 is set up, and return the IP-CAN session to PCEF and set up acknowledge message, this IP-CAN session is set up and is carried PCC rule and the event trigger that step 505 is formulated in the acknowledge message, PCEF installs and carries out after receiving PCC rule and event trigger;

Step 509:PCEF residential gateway is set up the IP-CAN conversation message to BBERF residential gateway echo reply, and this is replied to set up and carries IP Address in the IP-CAN conversation message;

Step 510:BBERF residential gateway receives above-mentioned replying and sets up the IP-CAN conversation message, sets up the IP-CAN conversation message to the UE echo reply, and this is replied to set up in the IP-CAN conversation message and carries IPAddress;

By above-mentioned steps, after UE sets up the IP-CAN session, initiate Operational Visit.UE will carry out (as the SIP signaling) alternately with AF, to determine the business information of Operational Visit, as medium type, qos parameter, type of coding etc.In this process, UE can notify its support of AF ECN ability, and ability also can be notified its support of AF ECN in the opposite end (as another UE or AS (Application Server, application server)) of UE communication.

Step 511: after consulting to finish, AF sends the service/application informational message to PCRF, carries the IP Address of UE in this message, and the business information after consulting, as medium type, qos parameter, type of coding etc., AF also can carry the indication that communicating pair is supported ECN;

Step 512:PCRF returns acknowledge message to AF after preserving business information;

Step 513:PCRF carries out strategic decision-making, and the business information that provides according to CAMEL-Subscription-Information, AF, network strategy etc. are formulated PCC and corresponding QoS rule.And support the ECN indication according to the wireless base station that BBERF sends, the communicating pair that AF sends is supported the indication of ECN, and the QoS MBR＞GBR of PCC rule and QoS rule is set;

Step 514:PCRF gives information to PCEF transmission strategy and charging regulation, carries the PCC rule that step 513 is formulated;

Step 515:PCEF installs the PCC rule, and returning strategy and charging regulation provides acknowledge message to PCRF;

Step 516:PCRF gives information to BBERF transmission gateway control and QoS rule, carries the QoS rule that PCRF formulates in the step 513 in the message;

Step 517:BBERF returns gateway control and the QoS rule provides acknowledge message to PCRF;

Step 518:BBERF implementation strategy is initiated the resource reservation process, wherein comes Resources allocation according to GBR, and BBERF is that the business of MBR＞GBR is set up a carrying separately and transmitted this business.

Wherein, in the EPS system, BBERF initiates the resource reservation process to lower network element: the S-GW that BBERF was positioned at sends the carrying request of creating to MME, carry the QoS information (comprising GBR, MBR) in the PCC rule, MME further sends carrying to eNodeB and sets up request, carry QoS information, eNodeB is this carrying Resources allocation according to GBR, and bandwidth provides safeguard.Simultaneously, when load was light, eNodeB allowed professional transmission rate to reach MBR.

Embodiment 3

Present embodiment is described is that UE such as embodiment 1 or embodiment 2 set up IP-CAN session and access service, because moving of UE switches to a wireless base station of not supporting ECN, and the flow process of the PCRF update strategy that causes.Wherein the IP-CAN session of UE does not have BBERF to exist.Detailed process may further comprise the steps as shown in Figure 6:

Step 601:, be linked into the another one wireless base station because UE has taken place to move.In this process, the IP-CAN conversation message is revised in the PCEF request of receiving, carry the wireless base station in this message and do not support the ECN indication, in the present embodiment, at this moment, PCEF will receive from lower network element (for example S-GW the EPS system or the SGSN in the UMTS system etc.) that the wireless base station of the current access of UE do not support the indication of ECN;

In the handoff procedure of UE, target eNode B is not carried in the request message that MME sends and is supported the ECN indication, therefore MME judges that this eNodeB does not support ECN, so MME carries the wireless base station and do not support the ECN indication in the request message that S-GW sends, S-GW carries the wireless base station and does not support the ECN indication in the request message that sends to P-GW.The eNodeB that the PCEF that is positioned at P-GW has so just obtained the current access of UE does not support the indication of ECN;

Wherein, in the UMTS system, PCEF receives that from lower network element wireless base station that UE inserts supports that the detailed process of indication of ECN is as follows:

In the handoff procedure of UE, target NodeB is not carried in the request message that SGSN sends by RNC and is supported the ECN indication, so SGSN judges that NodeB does not support ECN, does not support ECN to indicate so SGSN carries the wireless base station in the request message that sends to GGSN.The eNodeB that the PCEF that is positioned at GGSN has so just obtained the current access of UE does not support the indication of ECN;

In other embodiments, MME/SGSN can not support ECN according to configuration determination target eNode B/NodeB yet, therefore, SGSN does not support the ECN indication carrying the wireless base station in the request message that GGSN sends, thereby the PCEF that is positioned at GGSN has just obtained the indication that the eNodeB of the current access of UE does not support ECN;

In other embodiments, MME/SGSN also can not carry the indication that ECN is supported in any wireless base station, and is final like this, and PCEF is according to there not being the wireless base station to support that ECN indicates the base station of judging the current access of UE not support ECN.

Step 602:PCEF sends IP-CAN session modification Indication message to PCRF, and the indication of ECN is supported in the wireless base station that the wireless base station that carries the current access of UE in this IP-CAN session modification Indication message is not supported the indication of ECN or do not carried the current access of UE;

Step 603:PCRF receives above-mentioned IP-CAN session modification Indication message, does not support ECN indication, update strategy according to the wireless base station.Wherein the qos section of PCC rule is made as the MBR value with the GBR value;

The PCC rule of step 604:PCRF after PCEF sends renewal;

Step 605:PCEF implementation strategy is initiated the resource reservation process.

Wherein, in the EPS system, PCEF initiates the resource reservation process to lower network element: the P-GW that PCEF was positioned at sends the bearing modification request to S-GW, carry the QoS information (comprising GBR, MBR) in the PCC rule, S-GW sends the bearing modification request to MME again, and MME further sends the bearing modification request to eNodeB, carries QoS information, eNodeB is this carrying Resources allocation according to GBR, and bandwidth provides safeguard.But this moment, GBR equated with MBR.

In the UMTS system, PCEF initiates the resource reservation process to lower network element: the GGSN that PCEF was positioned at sends initial p DP contextual modifications request message to SGSN, carry the QoS information (comprising GBR, MBR) in the PCC rule, SGSN further sends request second PDP context modification to UE.Subsequently, UE will initiate the second PDP context modification process, NodeB, and SGSN, GGSN redistributes resource for this carrying.NodeB is this carrying Resources allocation according to GBR, and bandwidth provides safeguard.But this moment, GBR equated with MBR.

Embodiment 4

Present embodiment is described is that UE such as embodiment 1 or embodiment 2 set up IP-CAN session and access service, because moving of UE switches to a wireless base station of not supporting ECN, and the flow process of the PCRF update strategy that causes.IP-CAN session after wherein UE switches has BBERF to exist.Detailed process may further comprise the steps as shown in Figure 7:

Step 701:, be linked into the another one wireless base station because UE has taken place to move.In this process, the IP-CAN conversation message is revised in the purpose BBERF request of receiving, carry the wireless base station in this message and do not support the ECN indication, in the present embodiment, at this moment, purpose BBERF will receive from lower network element (for example S-GW the EPS system) that the wireless base station of the current access of UE do not support the indication of ECN;

Wherein, in the EPS system, purpose BBERF receives that from lower network element wireless base station that UE inserts supports that the detailed process of indication of ECN is as follows:

In the handoff procedure of UE, target eNode B is not carried in the request message that MME sends and is supported the ECN indication, so MME judges that this eNodeB does not support ECN, does not support ECN to indicate so MME carries the wireless base station in the request message that S-GW sends.The eNodeB that the BBERF that is positioned at S-GW has so just obtained the current access of UE does not support the indication of ECN;

In other embodiments, MME can not support ECN according to the configuration determination target eNode B yet.MME carries the wireless base station and does not support the ECN indication in the request message that S-GW sends.The eNodeB that the BBERF that is positioned at S-GW has so just obtained the current access of UE does not support the indication of ECN;

In other embodiments, MME sends to the indication that also can not carry any wireless base station support ECN in the request message of BBERF, and is final like this, and BBERF is according to there not being the wireless base station to support that ECN indicates the base station of judging the current access of UE not support ECN.

Step 702: purpose BBERF sends gateway control session to PCRF and sets up Indication message, the indication of ECN is not supported in the wireless base station that carries user ID, PDN sign and the current access of UE in this message, perhaps carry user ID and PDN sign, the indication of ECN is supported in the wireless base station that does not carry the current access of UE;

Step 703:PCRF carries out the IP-CAN session of foundation among this gateway control session and embodiment 1 and the embodiment 2 related according to user ID, PDN sign.PCRF does not support ECN indication, update strategy according to the wireless base station.Upgrade the qos section of PCC rule, the GBR value is made as the MBR value, and according to the PCC Rulemaking QoS rule after upgrading.PCRF sends the QoS rule to purpose BBERF;

Step 704: purpose BBERF implementation strategy.

Wherein, in the EPS system, purpose BBERF initiates the resource reservation process to lower network element: the S-GW that purpose BBERF was positioned at sends the bearing modification request to MME, carry the QoS information (comprising GBR, MBR) in the QoS rule, MME further sends the bearing modification request to eNodeB, carry QoS information, eNodeB is this carrying Resources allocation according to GBR, and bandwidth provides safeguard.But this moment, GBR equated with MBR.

The gateway that the gateway that step 705: purpose BBERF is positioned at is positioned to PCEF sends request and revises the IP-CAN conversation message, carries user ID and PDN sign in this message;

Step 706:PCEF sends IP-CAN session modification Indication message to PCRF;

The PCC rule that step 707:PCRF upgrades step 704 returns to PCEF;

IP address before step 708:PCEF place gateway will switch returns to purpose BBERF place gateway;

Step 709: purpose BBERF place gateway echo reply is revised the IP-CAN conversation message, carries the IP address.

If ECN is not supported in the wireless base station that UE is inserted when setting up the PDN connection, so in the present invention, BBERF/PCEF will receive the indication that the wireless base station is not supported the indication of ECN or do not received wireless base station support ECN, BBERF/PCEF did not carry the indication of wireless base station support ECN or carried the indication that ECN is not supported in the wireless base station in the message that sends to PCRF this moment, thereby PCRF judges the wireless base station of the current access of user and does not support ECN, even this moment the AF that receives of PCRF business information in carry the indication that communicating pair is supported ECN, among the QoS that PCRF authorizes, the value of GBR is the value of MBR.

At this moment, if UE has taken place to move, ECN is supported in the purpose wireless base station, BBERF/PCEF will receive the indication of wireless base station support ECN so, this moment, BBERF/PCEF carried the indication that ECN is supported in the wireless base station in the message that sends to PCRF, supported ECN thereby PCRF judges the wireless base station of the current access of user.This moment if before carry the indication that communicating pair is supported ECN in the business information of the AF that receives of PCRF, among the QoS that PCRF will authorize again, the value of GBR is less than the value of MBR so.

In above-mentioned all enforcements, the wireless base station of the current access of UE supports that the indication of ECN can also be the indication of the wireless base station support of the current access of UE based on the congested control of ECN, and the wireless base station support of the current access of expression UE is based on the jam control function of ECN.This function is provided with congested indicating bit to indicate congested generation (supporting the ECN mechanism of definition among the RFC 3168) when being included in congested the generation at least.After this function also may be included in and use the indication of ECN mechanism congested, in the graceful time period (grace period), guarantee not packet loss and/or satisfy other QoS demands (as the QCI characteristic).Similarly, the wireless base station of the current access of UE does not support that the indication of ECN can also be that the indication based on the congested control of ECN is not supported in the wireless base station of the current access of UE.PCRF is according to above-mentioned indication, and whether the wireless base station of judging the current access of UE supports the congested control based on ECN.

In other embodiments, PCRF judges according to the configuration information on it whether the wireless base station of the current access of UE supports ECN or support is not based on the congested control of ECN.For example:

1) if ECN is all supported or do not supported in all wireless base stations among the PLMN (Public Land Mobile Network, public land mobile network) or based on the congested control of ECN (situation that does not promptly exist part to support).The last configuration of PCRF PLMN and whether support ECN or support is not based on the corresponding relation of the congested control of ECN.Obtain the PLMN (this can obtain according to prior art) that UE is currently located at as PCRF so, whether the wireless base station that just can judge the current access of UE supports ECN or the support congested control based on ECN.

2) if ECN is all supported or do not supported in all wireless base stations among a tracking area TA (Track Area) or route district (the Routing Area) or based on the congested control (situation that does not promptly exist part to support) of ECN.The last configuration of PCRF TA or RA and whether support ECN or support is not based on the corresponding relation of the congested control of ECN.Obtain TA or the RA that UE is currently located at as PCRF so, whether the wireless base station that just can judge the current access of UE supports ECN or the support congested control based on ECN.

3) whether the wireless base station that belongs to of the last allocating cell of PCRF (cell) and this sub-district is supported ECN or is not supported corresponding relation based on the congested control of ECN.When PCRF obtains the sub-district that UE is currently located at, just can judge whether the wireless base station of the current access of UE is supported ECN or denied the congested control of supporting based on ECN.

Described PCRF, when being used to carry out strategic decision-making, whether support according to the wireless base station of the current access of subscriber equipment whether ECN and described subscriber equipment and Correspondent Node thereof support ECN, maximum rate in the quality of service information of Provisioning Policy is greater than ensureing speed, perhaps the maximum rate in the quality of service information of Provisioning Policy equals to ensure speed, issues described strategy to policy execution entity;

Wherein, described PCRF is used for supporting ECN when the wireless base station of the current access of described subscriber equipment, and described subscriber equipment and Correspondent Node thereof support ECN, maximum rate in the quality of service information of described strategy is set greater than ensureing speed; When ECN is not supported in the wireless base station of the current access of described subscriber equipment, perhaps, when described subscriber equipment or its Correspondent Node were not supported ECN, the maximum rate that is provided with in the quality of service information of described strategy equaled to ensure speed.

Wherein, described PCRF is used for obtaining described subscriber equipment and whether Correspondent Node supports ECN from AF; When described PCRF receives communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof support ECN; When described PCRF does not receive communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof do not support ECN.

Wherein, described system also comprises PCEF or BBERF, wherein:

Described PCRF, whether the wireless base station that is used for obtaining from PCEF or BBERF the current access of described subscriber equipment supports ECN; When described PCRF when the indication of ECN is supported in the wireless base station that described PCEF or described BBERF receive the current access of subscriber equipment, described PCRF judges that the wireless base station of the current access of described subscriber equipment supports ECN; Do not support the indication of ECN from the wireless base station that described PCEF or described BBERF receive the current access of subscriber equipment as described PCRF, perhaps, when described PCRF did not support the indication of ECN from the wireless base station that described PECF or described BBERF receive the current access of subscriber equipment, described PCRF judged that the wireless base station of the current access of described subscriber equipment do not support ECN; Perhaps,

Wherein, described system also comprises MME or SGSN, described MME or SGSN, be used for receiving the indication whether described wireless base station supports ECN from the wireless base station of the current access of described subscriber equipment, perhaps, after judging according to configuration information whether the wireless base station of the current access of described subscriber equipment supports the ECN ability, whether the wireless base station that sends the current access of subscriber equipment supports the gateway that the indication of ECN is positioned to described PCEF.

Wherein, described system also comprises MME, described MME, be used for receiving the indication whether this wireless base station supports ECN from the wireless base station of the current access of described subscriber equipment, perhaps, after judging according to configuration information whether the wireless base station of the current access of described subscriber equipment supports the ECN ability, whether the wireless base station that sends the current access of described subscriber equipment supports the gateway that the indication of ECN is positioned to described BBERF.

Wherein, described policy execution entity is PCEF, perhaps is PCEF and BBERF, and described PCRF sends to PCEF with strategy, perhaps, sends to PCEF and BBERF, described PCEF, and perhaps, described PCEF and BBERF carry out described strategy.

Wherein, described PCRF is used for when the wireless base station support of the current access of the described subscriber equipment congested control based on ECN, and described subscriber equipment and Correspondent Node thereof support ECN, maximum rate in the quality of service information of described strategy is set greater than ensureing speed.

Wherein, described PCRF, be used for wireless base station when the current access of described subscriber equipment and do not support congested control based on ECN, perhaps, when described subscriber equipment or its Correspondent Node were not supported based on the congested control of ECN, the maximum rate that is provided with in the quality of service information of described strategy equaled to ensure speed.

Wherein, described system also comprises PCEF or BBERF, wherein:

Wherein, described system also comprises MME or SGSN, wherein:

Wherein, described system also comprises MME, wherein:

Described MME, be used for receiving this wireless base station and whether support indication based on the congested control of ECN from the wireless base station of the current access of described subscriber equipment, perhaps, after judging according to configuration information whether the wireless base station of the current access of described subscriber equipment supports ability based on the congested control of ECN, whether the wireless base station that sends the current access of described subscriber equipment supports the gateway that the indication based on the congested control of ECN is positioned to described BBERF.

Claims

1. the strategic charging control method of a load Network Based is characterized in that, comprising:

2. the method for claim 1 is characterized in that,

If ECN is supported in the wireless base station of the current access of described subscriber equipment, and described subscriber equipment and Correspondent Node thereof support ECN, and described PCRF is provided with maximum rate in the quality of service information of described strategy greater than ensureing speed.

3. the method for claim 1 is characterized in that,

If ECN is not supported in the wireless base station of the current access of described subscriber equipment, perhaps, described subscriber equipment or its Correspondent Node are not supported ECN, and the maximum rate that described PCRF is provided with in the quality of service information of described strategy equals to ensure speed.

4. as claim 1,2 or 3 described methods, it is characterized in that described PCRF obtains described subscriber equipment and whether Correspondent Node supports ECN from Application Function (AF); When described PCRF receives communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof support ECN; When described PCRF does not receive communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof do not support ECN.

5. as claim 1,2 or 3 described methods, it is characterized in that described method also comprises:

Whether described PCRF supports ECN from the wireless base station that strategy and charging execution function entity (PCEF) or bearing binding and event reporting function entity (BBERF) obtain the current access of described subscriber equipment; When described PCRF when the indication of ECN is supported in the wireless base station that described PCEF or described BBERF receive the current access of subscriber equipment, described PCRF judges that the wireless base station of the current access of described subscriber equipment supports ECN; Do not support the indication of ECN from the wireless base station that described PCEF or described BBERF receive the current access of subscriber equipment as described PCRF, perhaps, when described PCRF did not support the indication of ECN from the wireless base station that described PECF or described BBERF receive the current access of subscriber equipment, described PCRF judged that the wireless base station of the current access of described subscriber equipment do not support ECN; Perhaps

6. method as claimed in claim 5 is characterized in that, described PCEF obtains the indication whether wireless base station that described subscriber equipment inserts supports ECN according to following mode:

7. method as claimed in claim 5 is characterized in that, described BBERF obtains the indication whether wireless base station that subscriber equipment inserts supports ECN in the following way:

8. the strategic charging control method of a load Network Based is characterized in that, comprising:

9. method as claimed in claim 8 is characterized in that,

If the wireless base station support of the current access of described subscriber equipment is based on the congested control of ECN, and described subscriber equipment and Correspondent Node thereof support ECN, and described PCRF is provided with maximum rate in the quality of service information of described strategy greater than ensureing speed.

10. method as claimed in claim 8 is characterized in that,

If the congested control based on ECN is not supported in the wireless base station of the current access of described subscriber equipment, perhaps, described subscriber equipment or its Correspondent Node are not supported ECN, and the maximum rate that described PCRF is provided with in the quality of service information of described strategy equals to ensure speed.

11., it is characterized in that described PCRF obtains described subscriber equipment and whether Correspondent Node supports ECN from Application Function (AF) as claim 8,9 or 10 described methods; When described PCRF receives communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof support ECN; When described PCRF does not receive communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof do not support ECN.

12., it is characterized in that described method also comprises as claim 8,9 or 10 described methods:

Whether described PCRF supports the congested control based on ECN from the wireless base station that strategy and charging execution function entity (PCEF) or bearing binding and event reporting function entity (BBERF) obtain the current access of described subscriber equipment; The wireless base station support that receives the current access of subscriber equipment from described PCEF or described BBERF as described PCRF is during based on the indication of the congested control of ECN, and described PCRF judges the congested control of the wireless base station support of the current access of described subscriber equipment based on ECN; When described PCRF does not receive the congested control indication of the wireless base station support of the current access of subscriber equipment based on ECN from described PCEF or described BBERF, perhaps, when described PCRF did not support based on the congested control indication of ECN from the wireless base station that described PECF or described BBERF receive the current access of subscriber equipment, described PCRF judged that the wireless base station of the current access of described subscriber equipment do not support the congested control based on ECN; Perhaps

13. as claim 8,9,10 or 12 described methods, it is characterized in that, the wireless base station support of the current access of described subscriber equipment is meant based on the congested control of ECN that ECN is supported in described wireless base station and after using described ECN to indicate congested generation, guarantees not packet loss and/or satisfy quality of service class sign QCI characteristic in the graceful time period.

14. method as claimed in claim 12 is characterized in that, described PCEF obtains wireless base station that described subscriber equipment inserts according to following mode and whether supports indication based on the congested control of ECN:

15. method as claimed in claim 12 is characterized in that, described BBERF obtains wireless base station that subscriber equipment inserts in the following way and whether supports indication based on the congested control of ECN:

16. the policy charging control system of a load Network Based is characterized in that, comprises PCRF and policy execution entity:

17. system as claimed in claim 16 is characterized in that,

Described PCRF is used for supporting ECN when the wireless base station of the current access of described subscriber equipment, and described subscriber equipment and Correspondent Node thereof support ECN, maximum rate in the quality of service information of described strategy is set greater than ensureing speed.

18. system as claimed in claim 16 is characterized in that,

Described PCRF, ECN is not supported in the wireless base station that is used for when the current access of described subscriber equipment, perhaps, when described subscriber equipment or its Correspondent Node were not supported ECN, the maximum rate that is provided with in the quality of service information of described strategy equaled to ensure speed.

19. as claim 16,17 or 18 described systems, it is characterized in that,

Described PCRF is used for obtaining described subscriber equipment and whether Correspondent Node supports ECN from AF; When described PCRF receives communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof support ECN; When described PCRF does not receive communicating pair when supporting the indication of ECN from described AF, described PCRF judges that described subscriber equipment and Correspondent Node thereof do not support ECN.

20. as claim 16,17 or 18 described systems, it is characterized in that described system also comprises PCEF or BBERF, wherein:

Described PCRF, whether the wireless base station that is used for obtaining from PCEF or BBERF the current access of described subscriber equipment supports ECN; When described PCRF when the indication of ECN is supported in the wireless base station that described PCEF or described BBERF receive the current access of subscriber equipment, described PCRF judges that the wireless base station of the current access of described subscriber equipment supports ECN; Do not support the indication of ECN from the wireless base station that described PCEF or described BBERF receive the current access of subscriber equipment as described PCRF, perhaps, when described PCRF did not support the indication of ECN from the wireless base station that described PECF or described BBERF receive the current access of subscriber equipment, described PCRF judged that the wireless base station of the current access of described subscriber equipment do not support ECN; Perhaps

Described PCRF is used for judging according to configuration information whether the wireless base station of the current access of described subscriber equipment supports ECN.

21. system as claimed in claim 20 is characterized in that, described system also comprises MME or SGSN, wherein:

22. system as claimed in claim 20 is characterized in that, described system also comprises MME, wherein:

23. the policy charging control system of a load Network Based is characterized in that, comprises PCRF and policy execution entity:

24. system as claimed in claim 23 is characterized in that,

Described PCRF is used for when the wireless base station support of the current access of the described subscriber equipment congested control based on ECN, and described subscriber equipment and Correspondent Node thereof support ECN, maximum rate in the quality of service information of described strategy is set greater than ensureing speed.

25. system as claimed in claim 23 is characterized in that,

Described PCRF, be used for wireless base station when the current access of described subscriber equipment and do not support congested control based on ECN, perhaps, when described subscriber equipment or its Correspondent Node were not supported based on the congested control of ECN, the maximum rate that is provided with in the quality of service information of described strategy equaled to ensure speed.

26. as claim 23,24 or 25 described systems, it is characterized in that,

27. as claim 23,24 or 25 described systems, it is characterized in that described system also comprises PCEF or BBERF, wherein:

28. as claim 23,24,25 or 27 described methods, it is characterized in that, the wireless base station support of the current access of described subscriber equipment is meant based on the congested control of ECN that ECN is supported in described wireless base station and after using described ECN to indicate congested generation, guarantees not packet loss and/or satisfy quality of service class sign QCI characteristic in the graceful time period.

29. method as claimed in claim 27 is characterized in that, described system also comprises MME or SGSN, wherein:

30. system as claimed in claim 29 is characterized in that, described system also comprises MME, wherein: