CN101296096B - Method, device and system for implementing policy charging control in radio communication system - Google Patents
Method, device and system for implementing policy charging control in radio communication system Download PDFInfo
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- CN101296096B CN101296096B CN2007101404233A CN200710140423A CN101296096B CN 101296096 B CN101296096 B CN 101296096B CN 2007101404233 A CN2007101404233 A CN 2007101404233A CN 200710140423 A CN200710140423 A CN 200710140423A CN 101296096 B CN101296096 B CN 101296096B
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Abstract
The invention relates to a method, a device and a system for realizing policy charge control in a wireless communication system. The method mainly comprises the following steps: a policy charge rule function (PCRF) entity acquires information of a first PCEF entity positioned in a core network; and the PCRF sends determined policy charge rules to a first PCEF entity or the first PCEF entity and a second PCEF entity positioned in an access network, so that the network can carry out the policy charge control to the terminal of the access network. Therefore, in the invention, when the first policy charge executing entity is dynamically distributed, the corresponding policy charge rules can be sent to the first policy charge executing entity, so that the corresponding policy charge control can be normally performed.
Description
Technical field
The present invention relates to network communications technology field, relate in particular to the policy and charging control technology in a kind of wireless communication system.
Background technology
Along with development of wireless communication devices; Released WiMax (micro-wave access to global intercommunication) network based on IEEE 802.16 (the broadband wireless access air-interface standard of Institute of Electrical and Electric Engineers) at present, this network can provide higher access rate.
The reference configuration of WiMax network can be as depicted in figs. 1 and 2, and wherein, Fig. 1 is the reference configuration of described WiMax network under the non-roaming situation, and Fig. 2 is the reference configuration of said WiMax network under the roaming condition.In the reference configuration of this WiMax network, user's authentication and authorization is that AAA (authentication, authentication, the charging) server among the ownership CSN (connectivity service network) through the user is realized.
In the actual deployment process of WiMax network; With reference to shown in Figure 2; NAP (Network Access Provider), Visited NSP (access zone network service provider) possibly belong to different operators with Home NSP (local zone network service provider), and; Also may exist a plurality of ASN (access service network) to cover at the same area, each ASN possibly link to each other with a plurality of NSP networks.
In the WiMax network, the deployment of NAP and NSP mainly contains dual mode: a kind of mode NAP and NSP employing relation are one to one disposed; Another kind of mode is to adopt an ASN and a plurality of NSP among the NAP to have roaming agreement, and the mode of promptly being shared by a plurality of NSP is disposed.
In realizing process of the present invention, the inventor finds that above-mentioned prior art exists the problem that can't realize corresponding policy and charging control for roaming scence down at least, simultaneously, exists similar problem too in other similar cordless communication networks.
Summary of the invention
Embodiments of the invention provide method and the Apparatus and system that implementation strategy charges and controls in a kind of wireless communication system, thereby make the policy and charging control that in wireless communication system, can realize being directed against under the roaming scence handle.
The embodiment of the invention provides the method that implementation strategy charges and controls in a kind of wireless communication system, and this method comprises:
The policy, billing decision entity obtains the information of the first policy and charging enforcement entity;
The policy, billing decision entity sends to the first policy and charging enforcement entity with the policy charging rule of confirming, perhaps, sends to the said first policy and charging enforcement entity and the second policy and charging enforcement entity that are arranged at diverse location, and implementation strategy is chargeed and controlled.
The embodiment of the invention provides a kind of allocation entity of policy and charging enforcement entity, comprising:
The allocation process unit, the terminal equipment that is used to current access distributes the first corresponding policy and charging enforcement entity;
First information transfer unit, the information of the first policy and charging enforcement entity that is used for said allocation process unit is distributed sends to the policy, billing decision entity.
The embodiment of the invention provides a kind of policy, billing decision entity, comprising:
Information receiving unit is used to receive the information of the first policy and charging enforcement entity;
The policy charging rule transmitting element; The information of the first policy and charging enforcement entity that is used for receiving according to information receiving unit sends to the said first policy and charging enforcement entity with said policy charging rule; Perhaps, send to the described first policy and charging enforcement entity and be arranged at the second policy and charging enforcement entity in the Access Network.
The embodiment of the invention provides the system that implementation strategy charges and controls in a kind of wireless communication system, and this system comprises:
The allocation entity of policy and charging enforcement entity is used to the terminal distribution first policy and charging enforcement entity of current access, and the information of the said first policy and charging enforcement entity is sent to the policy, billing decision entity of ownership place;
The policy, billing decision entity; Be used to obtain the information of the said first policy and charging enforcement entity; And will confirm that policy charging rule sends to the described first policy and charging enforcement entity; Perhaps, send to and be arranged at the described first policy and charging enforcement entity of diverse location and the second policy and charging enforcement entity.
Technical scheme by the embodiment of the invention described above provides can be found out; In the embodiment of the invention; When the first policy and charging enforcement entity dynamic assignment; Corresponding policy charging rule can send to the said first policy and charging enforcement entity, thereby makes corresponding policy and charging control normally to carry out.
Description of drawings
Fig. 1 is the WiMax schematic network structure under the non-roaming situation in the prior art;
Fig. 2 is the WiMax schematic network structure under the roaming condition in the prior art;
Fig. 3 is a policy, billing frame structure sketch map of the prior art;
The structural representation of the application scenarios one that Fig. 4 provides for the embodiment of the invention;
The structural representation of the application scenarios two that Fig. 5 provides for the embodiment of the invention;
The structural representation of the application scenarios three that Fig. 6 provides for the embodiment of the invention;
The structural representation of the application scenarios four that Fig. 7 provides for the embodiment of the invention;
The processing procedure sketch map one of the method that Fig. 8 provides for the embodiment of the invention;
The processing procedure sketch map two of the method that Fig. 9 provides for the embodiment of the invention;
The processing procedure sketch map three of the method that Figure 10 provides for the embodiment of the invention;
The processing procedure sketch map four of the method that Figure 11 provides for the embodiment of the invention;
The processing procedure sketch map five of the method that Figure 12 provides for the embodiment of the invention;
The structural representation of the Apparatus and system that Figure 13 provides for the embodiment of the invention.
Embodiment
In realizing embodiment of the invention process; For chargeing, implementation strategy controls; Select employing PCC (policy and charging control) framework to carry out the policy, billing operation, in said PCC framework, specifically defined the policy control and the charging controlled function framework that are suitable for various IP connection access network.Wherein, described policy control comprises Gating Control (critical point control) and QoS Control (service quality control); Described charging control then is meant FBC (based on the charging Flow Based Charging of stream).
The structure of PCC framework is as shown in Figure 3, wherein, mainly comprises following functional entity:
PCRF (policy, billing decision entity; Policy Control and Charging RulesFunction); Be used for the policy control decision-making and based on the control of flow based charging; This PCRF specifically can comprise quality of service policy decision making function and/or charging policy decision making function, is promptly comprised by its policy charging rule of confirming: quality of service policy and/or charging policy;
PCEF (policy and charging enforcement entity, Policy Control and Charging EnforcementFunction) is used for business data flow detection, strategy execution and based on the execution of flow based charging.
Under the PCC framework in the implementation strategy charging control procedure; The PCC Rules (policy charging rule) that needs application; Can a business data flow be assigned in an IP CAN (IP connection access network, the Connectivity Access Network) carrying according to this PCC Rule; The particular content of described PCC Rule can comprise: Rule ID (rule sign), business data flow detect information, charge information, and policy control information etc.
Based on above-mentioned PCC framework; The embodiment of the invention provide under roaming scence; The implementation of corresponding policy and charging control comprises: PCRF (policy, billing decision-making) entity obtains the information of a PCEF entity, and a said PCEF entity is used for to the terminal of current access network the policy and charging enforcement operation being provided; Described PCRF will confirm that policy charging rule sends to a PCEF entity; Perhaps; Send to the PCEF entity and the 2nd PCEF entity that are arranged at diverse location, thereby make and to carry out policy and charging control to the terminal of access network in the wireless communication system.Wherein, The diverse location that a described PCEF entity and the 2nd PCEF entity are provided with can for: a described PCEF entity is arranged in the CSN network; Described the 2nd PCEF entity is arranged among the ASN, perhaps, also can be arranged in the core net for a described PCEF entity; Described the 2nd PCEF entity is arranged in the Access Network, or the like.
In embodiments of the present invention; If the PCRF entity that described PCRF entity is an ownership place; Then the PCRF entity of ownership place directly obtains the information of a said PCEF entity from the allocation entity of a PCEF entity, for example, and information such as the position of a PCEF entity, sign, domain name and/or address; Wherein, described position is meant the CSN of ownership place or visits among the CSN on ground; If described PCRF entity is the PCRF entity on visit ground, then the PCRF entity on visit ground obtains the information of a said PCEF entity from the allocation entity of a PCEF entity through the PCRF entity of ownership place.
In embodiments of the present invention, the above-mentioned PCRF entity information processing process of obtaining a PCEF entity specifically comprises one or more in the following mode:
(1) the described PCRF entity PCRF entity that is ownership place, the PCRF entity of this ownership place can directly obtain the information of a said PCEF entity from the allocation entity of a PCEF entity; Perhaps, described PCRF entity is the PCRF entity on visit ground, and the PCRF entity on this visit ground can obtain the information of a said PCEF entity from the allocation entity of a PCEF entity through the PCRF entity of ownership place;
(2) obtain the information of a said PCEF entity the request of the PCRF entity on the PCRF entity of ownership place or the visit ground acquisition strategy charging regulation that can send from the 2nd PCEF entity;
(3) obtain the information of a said PCEF entity the request of the acquisition strategy charging regulation that can be directly sends from a PCEF entity of the PCRF entity on the PCRF entity of ownership place or visit ground; Perhaps; The PCRF entity on the PCRF entity of ownership place or visit ground can also receive the log-on message of sending through strategy distribution entity from a PCEF entity, and from said log-on message, obtains the information of a PCEF entity;
(4) the PCRF entity of ownership place can obtain the information of a said PCEF entity from the PCRF entity on visit ground;
(5) the PCRF entity on visit ground can obtain the information of a said PCEF entity from the PCRF entity of ownership place;
In the aforesaid way; The information of a said PCEF entity is meant: whether use the indication of a PCEF entity, the information such as position, sign, domain name and/or address of a PCEF entity; Wherein, described position is meant the CSN of ownership place or visits among the CSN on ground.
Further, in the embodiment of the invention, will confirm that policy charging rule sends to a PCEF entity, perhaps, the processing procedure that sends to a PCEF entity and the 2nd PCEF entity simultaneously can adopt following any implementation:
(1) the PCRF entity of ownership place directly or through strategy distribution entity sends to a PCEF entity with the policy charging rule of confirming; Perhaps, a PCEF entity and the 2nd PCEF entity, at this moment; Need not to visit the participation of the PCRF on ground, so can omit the setting of the PCRF on visit ground;
Wherein, described strategy distribution entity can independently be provided with, and also can be arranged in the same equipment with a described PCEF entity;
(2) the policy, billing decision entity on visit ground directly or through described strategy distribution entity sends to a PCEF entity with policy charging rule, perhaps, and a PCEF entity and the 2nd PCEF entity;
(3) the PCRF entity of ownership place sends to said policy charging rule the PCRF entity on visit ground; And send to a PCEF entity after reducing processing by the PCRF entity on visit ground accordingly according to the Internet resources of transmission network and/or strategy; Perhaps; The one PCEF entity and the 2nd PCEF entity; A said PCEF entity can be arranged in the CSN on visit ground or also can be arranged in the CSN of ownership place, and this moment a described PCEF entity and the 2nd PCEF entity in policy charging rule can be consistent;
(4) the PCRF entity of ownership place sends to said policy charging rule the PCRF entity and a PCEF entity on visit ground; The PCRF entity on said visit ground is redispatched to the 2nd PCEF entity after according to the Internet resources of transmission network and/or strategy said policy charging rule being reduced processing, so that a PCEF entity and the 2nd PCEF entity all can obtain corresponding policy charging rule;
(5) the PCRF entity of ownership place sends to said policy charging rule the PCRF entity on visit ground; The PCRF entity on said visit ground is reduced the PCRF entity that sends to the 2nd PCEF entity and ownership place after the processing according to the Internet resources of transmission network and/or strategy to said policy charging rule; The policy decision entity of said ownership place will send to a said PCEF entity by the policy charging rule that the PCRF entity on visit ground is reduced after handling, with the consistency of the policy charging rule that guarantees to preserve in a PCEF entity and the 2nd PCEF entity.
Therefore, in the embodiment of the invention, when a PCEF entity dynamic assignment, corresponding policy charging rule can send to a said PCEF entity.And; Further, can also guarantee Different Strategies charge to carry out entity (a PCEF entity, perhaps; The one PCEF entity and the 2nd PCEF entity) on the consistency of policy charging rule, with and the consistency of the policy charging rule preserved with the PCRF of ownership place.
In embodiments of the present invention, the above-mentioned PCRF entity processing procedure of sending the policy charging rule of confirming specifically can trigger through following any mode:
(1) the PCRF entity on the PCRF entity of ownership place or the visit ground request of receiving the acquisition strategy charging regulation that a PCEF entity or the 2nd PCEF entity send;
(2) the PCRF entity on the PCRF entity of ownership place or visit ground confirms that according to the situation of self needs send said policy charging rule to a PCEF entity or the 2nd PCEF entity;
(3) the PCRF entity of ownership place is received the request of the acquisition strategy charging regulation that the PCRF entity on visit ground is sent;
When meeting above any condition, then described PCRF entity just can carry out the transmission of policy charging rule to be handled.
Below will be with HA as a PCEF, the PCEF among the ASN is as the 2nd PCEF, and aaa server is example as the allocation entity of HA, and the policy and charging control implementation procedure of HA dynamic assignment under the roaming scence in the WiMax network is described; For the policy and charging control implementation procedure in other wireless communication systems and WiMax network class seemingly.
Under roaming scence, the dynamic assignment of HA is consulted to accomplish by terminal networking authentication stage H-AAA and V-AAA alternately.After the terminal successfully networks; H-PCRF (PCRF of ownership place) or V-PCRF (PCRF on visit ground) send before the PCC Rules; H-PCRF or V-PCRF must be known the result of HA dynamic assignment, and promptly H-PCRF or V-PCRF need be known as with the terminal corresponding HA of this IP-CAN Session and be positioned at H-CSN or V-CSN.
On PCRF, specifically can pre-configuredly be positioned at the address of the HA of same CSN network.Knowing HA as H-PCRF or V-PCRF is with it during at consolidated network, and then H-PCRF or V-PCRF will generate good PCC Rules according to self pre-configured HA address and be sent to HA.
If address or HA that H-PCRF or V-PCRF do not have a pre-configured HA be not when being in same CSN network to its PCRF that sends PCCRules, H-PCRF or V-PCRF also need dynamically to obtain the address of HA, so that carry out the transmission of PCC Rules.
For ease of understanding to the embodiment of the invention, will combine accompanying drawing in the embodiment of the invention below, the policy and charging control implementation under roaming scence describes.
Under roaming scence,, also can be arranged in H-CSN, and HA can obtain PCC Rules by the V-PCRF from V-CSN, also can obtain corresponding PCC Rules by the H-PCRF from H-CSN for the HA of the terminal distribution of access network can be arranged in V-CSN.Therefore, in the embodiment of the invention, specifically can be divided into following several kinds of application scenarioss:
Application scenarios one
Under this application scenarios, HA is arranged in V-CSN, and HA selects the V-PCRF from V-CSN to obtain PCC Rules.
As shown in Figure 4; Behind terminal entering network; When network is positioned at V-CSN for the HA of its distribution, HA then through and V-PCRF between the interface that is provided with carry out the transmission of PCC Rules, that is: when H-PCRF authorizes and generates PCC Rules and sends to V-PCRF; V-PCRF can be according to further decision-making and mandate (possibly reduce said PCC Rules) of local policy; Afterwards the PCC Rules of ultimate authority is sent to the policy and charging enforcement entity PCEF of ASN, also PCC Rules is sent to HA simultaneously, be used for the foundation of HA as the implementation strategy billing operation.
Application scenarios two
In this application scenarios, HA is arranged in H-CSN, and same HA selects the V-PCRF from V-CSN to obtain PCC Rules.
As shown in Figure 5; Behind terminal entering network; When network was positioned at H-CSN for the HA of its distribution, in order to make HA PCC Rules that obtains and the PCC Rules that the policy and charging enforcement entity PCEF that is positioned at ASN obtains be consistent, HA still selected to obtain PCC Rules from V-PCRF.
Under this application scenarios, because V-PCRF need directly send to the HA that is arranged in H-CSN with final PCC Rules, so V-PCRF need be known the address of HA.
Application scenarios three
In this application scenarios, HA is arranged in H-CSN, and HA selects the H-PCRF from H-CSN to obtain described PCC Rules.
As shown in Figure 6, when H-PCRF will authorize the PCC Rules that generates to send to V-PCRF, also described PCC Rules is sent to HA.
Application scenarios four
Similar with application scenarios three; In this application scenarios; HA still is arranged in H-CSN, and HA still selects the H-PCRF from H-CSN to obtain described PCC Rules, still; Under this application scenarios, directly corresponding PCC Rules is sent to the policy and charging enforcement entity PCEF among the ASN by the H-PCRF among the H-CSN.
As shown in Figure 7; Specifically can for: when HA is positioned at H-CSN; The service surface data directly are sent to the HA that is positioned at H-CSN by ASN, without the service surface entity of any V-CSN, and; At this moment, described PCC Rules will just directly not send to the policy and charging enforcement entity PCEF in the ASN by H-PCRF via V-PCRF.
In this application scenarios, simplified the policy and charging control system, and can guarantee that the policy and charging enforcement entity PCEF in HA and the ASN adopts corresponding to PCC Rules.
Based on above-mentioned various application scenarios, will the implementation procedure of the policy and charging control under the different application scene be described below.
(1) application scenarios one and application scenarios two times, the policy and charging control process that triggers by policy and charging control entity PCRF.
Described application scenarios one and application scenarios two times; Because HA obtains PCC Rules from said V-PCRF all the time, thereby the consistency between the PCC Rules that can guarantee to obtain as policy and charging enforcement entity HA and the policy and charging enforcement entity in ASN; In addition, carry out in the process of service trigger, also possibly not need mutual with H-PCRF at V-PCRF; And only handle in this locality (like coin free service etc.); Promptly omit the reciprocal process of all V-PCRF and H-PCRF and H-AAA, directly generate PCC Rules, and send said PCC Rules by V-PCRF;
Obtain said PCC Rules with V-PCRF from H-PCRF and be example, as shown in Figure 8, concrete policy and charging control processing procedure may further comprise the steps:
Step 1:V-PCRF initiates PCC Rules request to H-PCRF;
Be that H-PCRF or V-PCRF are based on the demand of application server AF or the demand of self strategy, to the IP-CAN Session initiation PCC Rules layoutprocedure at terminal; Said layoutprocedure can comprise: the establishment of PCC Rules, modification and/or deletion; Wherein, for the PCCRules layoutprocedure that is triggered by V-PCRF, then V-PCRF at first needs to initiate PCC Rules request process to H-PCRF;
Wherein,, can also simultaneously the address of said HA be informed H-PCRF in the lump, perhaps, only H-PCRF informed in the address of HA if H-AAA knows the address of HA;
Step 4:H-PCRF preserves at least one in the address of position and HA of the relevant HA of this IP-CAN Session, and requires the implementation strategy decision-making treatment according to user signing contract information and the strategy of himself, authorizes and generate corresponding PCC Rules;
Step 5:H-PCRF sends to V-PCRF with the PCC Rules that generates, and simultaneously, also informs at least one item in the address of position and HA of the HA that V-PCRF is current;
After step 6:V-PCRF receives said PCC Rules, at least one item in the position of the HA that preservation this IP-CAN Session of terminal is relevant and the address of HA, and according to further mandate of local policy and modification PCC Rules;
Alternatively, in this step, can also further reduce PCC Rules according to the Internet resources and/or the strategy of local transmission network;
Policy and charging enforcement entity in the step 9:HA is preserved corresponding PCC Rules, and returns configuration result to V-PCRF, i.e. PCC Rules acknowledge message;
Step 12:V-PCRF preserves corresponding PCC Rules according to return results, and returns PCC Rules configuration result to H-PCRF;
Alternatively, can also the PCC Rules of V-PCRF ultimate authority be informed H-PCRF in this step,, guarantee the consistency of the PCC Rules of H-PCRF and V-PCRF so that preserve corresponding PCC Rules by H-PCRF.
(2) application scenarios three and application scenarios four times, by the policy and charging control process of policy and charging control entity PCRF or policy and charging enforcement entity triggers.
Application scenarios three and application scenarios four times, specifically will describe corresponding policy and charging control process three embodiment.
Embodiment one
In this embodiment, be to trigger corresponding policy and charging control process, and HA obtain PCC Rules from H-PCRF all the time by policy and charging control entity PCRF.
As shown in Figure 9, the concrete policy and charging control process of embodiment one may further comprise the steps:
Step 1:H-PCRF is based on demand or the demand of self strategy or the request of V-PCRF of application server AF, to the IP-CAN Session initiation PCC Rules layoutprocedure at terminal;
Described layoutprocedure can comprise: the establishment of PCC Rules, modification and/or deletion etc.;
In this step, if H-AAA knows the address of HA, then can also H-PCRF be informed in the address of while HA, perhaps only H-PCRF is informed in the address of HA;
Step 4:H-PCRF preserves the position of the relevant HA of this IP-CAN Session and/or the address of HA, and requires the implementation strategy decision-making according to user signing contract information and the strategy of himself, authorizes and generate PCC Rules;
When step 5:H-PCRF sends to V-PCRF with the PCC Rules that generates, also inform the position of current HA and/or the address of HA;
After step 8:V-PCRF receives PCC Rules; Then preserve the position of the relevant HA of this IP-CAN Session of terminal and/or the address of HA; And further authorize and for example revise PCC Rules according to local policy, can further reduce PCC Rules with strategy according to the Internet resources of local transmission network;
Step 9:V-PCRF issues the policy and charging enforcement entity in the ASN of place, terminal with the PCC Rules of ultimate authority;
Requirement according to PCC Rules in the step 10, step 11:ASN network is created, is revised or deletion IP-CAN carries, and the policy and charging enforcement entity in ASN preserves corresponding PCC Rules, also returns configuration result to V-PCRF.
Step 12:V-PCRF preserves corresponding PCC Rules according to return results, and returning PCC Rules configuration result to H-PCRF when, alternatively, also the PCCRules with the V-PCRF ultimate authority informs H-PCRF, and H-PCRF preserves corresponding PCC Rules.
In this embodiment, above-mentioned steps 6 also can be carried out after step 12 with step 7, and like this, the policy and charging enforcement entity that then can guarantee to be positioned at HA is consistent with the PCC Rules that the policy and charging enforcement entity that is positioned at ASN is held.
Embodiment two
In this embodiment two, be to trigger corresponding policy and charging control process, and HA still obtain PCC Rules from H-PCRF all the time by policy and charging enforcement entity PCEF.
Shown in figure 10, corresponding policy and charging control process specifically may further comprise the steps:
Step 1: as the HA of policy execution entity or be positioned at the carrying demand of the policy execution entity of ASN, trigger the relevant PCC Rules layoutprocedure of this IP-CAN Session according to terminal IP-CAN Session; Described layoutprocedure can comprise: the establishment of PCC Rules, modification and/or deletion;
Step 2: the carrying demand of IP-CAN Session is informed H-PCRF as the HA of policy and charging enforcement entity PCEF or the policy execution entity that is positioned at ASN; If the policy execution entity in the ASN triggers, this request also need be passed through V-PCRF and re-send to H-PCRF;
Embodiment three
This embodiment three remains the policy and charging control process that is triggered by policy and charging enforcement entity PCEF, and HA obtains PCC Rules from V-PCRF all the time.
Shown in figure 11, corresponding policy and charging control process specifically may further comprise the steps:
In this embodiment three; Step 8 also can occur in step 2 or step 2 ' afterwards, before the step 3, promptly authorize and reduce the policy, billing requirement earlier by V-PCRF; Afterwards; Be dealt into H-PCRF through step 3 again and authorize generation PCC Rules, like this, then can guarantee finally to be kept at the consistency of the PCC Rules on H-PCRF and the V-PCRF.
Embodiment four
Embodiment four is the policy and charging control processes that triggered by the PCEF that is positioned at HA, and H/V-PCRF is known the positional information of the PCEF that is positioned at CSN thus; Wherein, the policy information that whether uses this PCEF is obtained from H-AAA by strategy decision or the H-PCRF of H-PCRF or PDF self.
Shown in figure 12, corresponding policy and charging control process specifically may further comprise the steps:
Step 1:HA receives mobile IP login request message;
Step 2:HA informs H-AAA, and whether it has the ability of PCEF, and request strategy message;
Step 3:H-AAA issue whether use the PCEF that is positioned at HA policy message to HA;
Step 4: if HA know when its PCEF function is used in requirement, trigger this PCEF through strategy distribution entity PDF to H-PCRF request PCC Rules;
If HA is positioned at visit CSN network, then PDF also need pass through V-PCRF again to H-PCRF request PCC Rules.PDF and/or H/V-PCRF are known the information of the PCEF that is positioned at HA in view of the above;
Step 5:H-PCRF preserves position and/or the address of HA and the policy information that whether uses the PCEF that is positioned at HA of the relevant HA of this IP-CAN Session; And require the implementation strategy decision-making according to user signing contract information and himself strategy, authorize also to generate PCC Rules;
Step 6:H-PCRF is sent to HA with the PCC Rules that authorizes through PDF according to the position of HA and/or the address of HA; If HA is at V-CSN, then H-PCRF also needs through V-PCRF PCCRules to be sent to PDF and redispatches to HA;
After step 7:HA receives PCC Rules, preserve PCC Rules and reply the mobile IP registration response message.
In the embodiment of the invention, because the Gx interface between PCRF entity and the PCEF entity is not supported mobility, and the situation that the policy execution entity in the while ASN can be moved.Therefore, in the process that mutual distribution PCC Rules between V-PCRF and the policy execution entity also is provided on the foregoing description basis.
In order to shield the mobility of the policy execution entity in the ASN; Need between V-PCRF and policy execution entity, increase a Proxy-PCEF (acting on behalf of PCEF) as strategy distribution entity; And described Proxy-PCEF also possesses the function of interface conversion except possessing the function of strategy distribution.
To describe respectively below described Proxy-PCEF be among the CSN with ASN in the time, the different processing capacity that has.
(1) Proxy-PCEF is arranged in CSN
The distribution procedure of PCC Rules between the strategy execution body in V-PCRF and the ASN all is to distribute as intermediate through this proxy-PCEF;
Simultaneously, if consider HA also as one of Policy Enforcement Point, if HA is in the local among the then above embodiment, then the PCC RULES of H-PCRF also is distributed to HA through h-Proxy PCEF; If HA is on visit ground, then the PCC RULES of V-PCRF also is distributed to HA through v-Proxy PCEF;
(2) Prxoy-PCEF is arranged in ASN
On the one hand; It can be used as an independent network element entity and exists; Also can be positioned in the specific ASN GW of NAP or ASN and realize, have only one or certain several such entity in a NAP or an ASN, for getting into all terminal service in this NAP or the ASN;
On the other hand, be positioned at the functional entity on each ASNGW, this Proxy PCEF is based on the terminal, and the Proxy-PCEF at each terminal is positioned on the different ASN GW.The grappling Proxy PCEF at this terminal is exactly the ASN GW of terminal when networking, and follow-uply can accompanying terminal anchorauthenticator (anchoring authentication device) move together perhaps that the Anchor DPF or the anchor SFA of accompanying terminal move together.
And the distribution procedure of the PCC RULES between the strategy execution body in V-PCRF and the ASN all is to distribute as intermediate through this proxy-PCEF;
Simultaneously, if consider HA also as one of Policy Enforcement Point, the ways of distribution that the PCC at PCRF and HA place carries out between the point among the then above embodiment remains unchanged.
The embodiment of the invention also provides the system that implementation strategy charges and controls in a kind of wireless communication system, and its concrete implementation structure is shown in figure 13, comprising:
(1) allocation entity of policy and charging enforcement entity
It is used for the information for the first policy and charging enforcement entity that is positioned at connectivity serving network of the terminal distribution of current access is sent to the policy, billing decision entity of ownership place; For example, can be aaa server, perhaps; Local subscribed services device HSS; Perhaps, CAMEL-Subscription-Information database SPR, or the like;
The allocation entity equipment of described a kind of policy and charging enforcement entity specifically can comprise:
The allocation process unit, the terminal equipment branch that is used to current access is coordinated in the first policy and charging enforcement entity in the connectivity serving network;
First information transfer unit, the information of the first policy and charging enforcement entity that is used for said allocation process unit is distributed sends to the policy, billing decision entity.
(2) policy, billing decision entity
The information of the first policy and charging enforcement entity that its allocation entity that is used for acquisition strategy charging execution entity is sent, and will confirm that policy charging rule sends to described first policy and charging enforcement entity and the second policy and charging enforcement entity that is arranged in access service network;
In this system; Described policy, billing decision entity can comprise the policy, billing decision entity that the strategy of ownership place is had decided expense plan entity and visited ground, and will confirm that accordingly policy charging rule sends to the described first policy and charging enforcement entity and specifically can adopt following any implementation with the processing procedure that is arranged in the second policy and charging enforcement entity of access service network:
Mode one: the policy, billing decision entity of ownership place directly or through strategy distribution entity sends to the first policy and charging enforcement entity and the second policy and charging enforcement entity with policy charging rule; And described strategy distribution entity can independently be provided with, and also can be arranged in the same equipment with the described first policy and charging enforcement entity;
Mode two: the policy, billing decision entity on visit ground directly or through strategy distribution entity sends to the first policy and charging enforcement entity with policy charging rule, perhaps, sends to the first policy and charging enforcement entity and the second policy and charging enforcement entity;
Mode three: the policy, billing decision entity of ownership place sends to said policy charging rule the policy, billing decision entity on visit ground; And send to the first policy and charging enforcement entity after the policy, billing decision entity processing by visit ground; Perhaps; Send to the first policy and charging enforcement entity and the second policy and charging enforcement entity, the described first policy and charging enforcement entity is arranged in the connectivity serving network on visit ground or the connectivity serving network of ownership place.
Mode four: the policy, billing decision entity of ownership place sends to the policy, billing decision entity and the first policy and charging enforcement entity of visiting ground with said policy charging rule, sends to the second policy and charging enforcement entity after the policy, billing decision entity on said visit ground is reduced processing to said policy charging rule;
Mode five: the policy, billing decision entity of ownership place sends to said policy charging rule the policy, billing decision entity on visit ground; The policy, billing decision entity on said visit ground is reduced the policy, billing decision entity that sends to the second policy and charging enforcement entity and ownership place after the processing to said policy charging rule, and the policy decision entity of said ownership place will send to the said first policy and charging enforcement entity by the policy charging rule that the policy, billing decision entity on visit ground is reduced after the processing;
Still with reference to shown in Figure 13, the concrete implementation structure of described policy, billing decision entity can comprise following processing unit:
Information receiving unit is used to receive that the allocation entity of policy and charging enforcement entity sends is the information of the current first policy and charging enforcement entity that distributes of accessing terminal;
The policy charging rule transmitting element, the information of the first policy and charging enforcement entity that is used for receiving according to information receiving unit is issued the said first policy and charging enforcement entity with said policy charging rule.
In this policy, billing decision entity, can also be provided with the interface of communicating by letter with the allocation entity or the second policy and charging enforcement entity of the first policy and charging enforcement entity, said information receiving unit obtains the information of the first policy and charging enforcement entity through this interface; Perhaps; Can also be provided with the said first policy and charging enforcement entity directly or the interface of communicating by letter through strategy distribution entity, said information receiving unit is sent the information of obtaining the first policy and charging enforcement entity the log-on message through this interface from the said first policy and charging enforcement entity.
Alternatively, described entity can also comprise the first policy charging rule transfer unit and policy charging rule processing unit, wherein:
The described first policy charging rule transfer unit is used at this equipment during as the policy, billing decision entity equipment of ownership place, and the policy, billing decision entity to visit ground sends policy charging rule;
Described policy charging rule processing unit is used at this equipment during as the policy, billing decision entity equipment on visit ground, and the policy charging rule that the policy, billing decision entity of ownership place sends is reduced operation according to local policy and/or Internet resources.
Alternatively; For between the policy, billing decision entity on ownership place and visit ground, carrying out the transmission of policy charging rule; Described entity can also comprise the second policy charging rule transfer unit; Be used for during as the policy, billing decision entity equipment on visit ground, will reducing the policy, billing decision entity that operation back policy charging rule send to ownership place by said policy charging rule processing unit at this equipment.
Alternatively; Can know the information (like information such as position and/or addresses) of the said first policy and charging enforcement entity for the policy, billing decision entity that guarantees visit ground; Described entity can also comprise the second information transfer unit; Be used at equipment during as the policy, billing decision entity equipment of ownership place; The information of the first policy and charging enforcement entity that said information receiving unit is obtained sends to the policy, billing decision entity on visit ground, so that the policy, billing decision entity on described visit ground can carry out the transmission of policy charging rule to the first policy and charging enforcement entity.
Alternatively; In said system; If the described second policy and charging enforcement entity is entity movably; Then said system comprises that also proxy policies charge to carry out entity, and the described second policy and charging enforcement entity charges and carry out entity and obtain said policy charging rule through being arranged at proxy policies in the access service network, with the mobility of the policy and charging enforcement entity in the shielding access service network.
Alternatively, in said system, the said first policy and charging enforcement entity specifically can but be not limited to be arranged in home agent or the packet data network gateway that is used for mobile IP; The second policy and charging enforcement entity specifically can but be not limited to be arranged in Access Network gateway or base station.
In sum, the embodiment of the invention provides the implementation of cordless communication network policy and charging control under a kind of roaming scence, and in this scheme, policy charging control system can be known the result of HA dynamic assignment, and HA can obtain correct policy charging rule; In addition, can also guarantee that through embodiment provided by the invention each policy charging rule decision point is consistent with the policy charging rule of policy and charging enforcement point.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (19)
1. the charge method of control of implementation strategy in the wireless communication system is characterized in that under roaming scence, this method comprises:
The policy, billing decision entity obtains the information of the first policy and charging enforcement entity; The information of the described first policy and charging enforcement entity comprises: whether use at least one in position, sign, domain name and the address of indication and/or the first policy and charging enforcement entity of the first policy and charging enforcement entity; Wherein, described position is meant ownership place or visit ground;
The policy, billing decision entity sends to the first policy and charging enforcement entity with the policy charging rule of confirming, perhaps, sends to the said first policy and charging enforcement entity and the second policy and charging enforcement entity that are arranged at diverse location, and implementation strategy is chargeed and controlled;
If the policy, billing decision entity that described policy, billing decision entity is an ownership place, then the policy, billing decision entity of ownership place directly obtains the information of the said first policy and charging enforcement entity from the allocation entity of the first policy and charging enforcement entity; If described policy, billing decision entity is the policy, billing decision entity on visit ground, then the policy, billing decision entity on visit ground obtains the information of the said first policy and charging enforcement entity from the allocation entity of the first policy and charging enforcement entity through the policy, billing decision entity of ownership place.
2. method according to claim 1 is characterized in that, the information that described policy, billing decision entity obtains the first policy and charging enforcement entity from the allocation entity or the second policy and charging enforcement entity of policy and charging enforcement entity; Perhaps, said policy, billing decision entity receives information that the said first policy and charging enforcement entity directly sends and the information of obtaining the first policy and charging enforcement entity; Perhaps, said policy, billing decision entity receives the log-on message that the said first policy and charging enforcement entity is sent through strategy distribution entity, and from said log-on message, obtains the information of the first policy and charging enforcement entity.
3. method according to claim 2 is characterized in that, the described first policy and charging enforcement entity also comprised before the registration of policy, billing decision entity:
The first policy and charging enforcement entity obtains the indication of whether using the first policy and charging enforcement entity from the allocation entity of policy and charging enforcement entity.
4. method according to claim 1 is characterized in that, the allocation entity of the said first policy and charging enforcement entity comprises: authentication charging aaa server, perhaps, local subscribed services device HSS, perhaps, CAMEL-Subscription-Information database SPR.
5. according to claim 1,2 or 3 described methods, it is characterized in that the described first policy and charging enforcement entity is arranged in access zone network or belonging area network, and the policy charging rule that the transmission of described policy, billing decision entity is confirmed comprises specifically:
The policy, billing decision entity of ownership place directly or through strategy distribution entity sends to the first policy and charging enforcement entity with said policy charging rule, perhaps, and the first policy and charging enforcement entity and the second policy and charging enforcement entity;
Perhaps,
The policy, billing decision entity on visit ground directly or through strategy distribution entity sends to the first policy and charging enforcement entity with said policy charging rule, perhaps, and the first policy and charging enforcement entity and the second policy and charging enforcement entity;
Perhaps,
The policy, billing decision entity of ownership place sends to said policy charging rule the policy, billing decision entity on visit ground; And send to the first policy and charging enforcement entity after reducing processing by the policy, billing decision entity on visit ground according to the Internet resources of transmission network and/or strategy; Perhaps, send to the first policy and charging enforcement entity and the second policy and charging enforcement entity;
Perhaps,
The policy, billing decision entity of ownership place sends to said policy charging rule the policy, billing decision entity and the first policy and charging enforcement entity on visit ground; The policy, billing decision entity on said visit ground sends to the second policy and charging enforcement entity after according to the Internet resources of transmission network and/or strategy said policy charging rule being reduced processing;
Perhaps,
The policy, billing decision entity of ownership place sends to said policy charging rule the policy, billing decision entity on visit ground; After the policy, billing decision entity on said visit ground is reduced processing according to the Internet resources of transmission network and/or strategy to said policy charging rule; Send to the policy, billing decision entity of the second policy and charging enforcement entity and ownership place, the policy charging rule after the policy decision entity of said ownership place will be handled by the policy, billing decision entity on visit ground sends to the said first policy and charging enforcement entity.
6. method according to claim 5; It is characterized in that; If the described second policy and charging enforcement entity is entity movably, the then described second policy and charging enforcement entity obtains said policy charging rule through being arranged at proxy policies in the Access Network execution entity that charges.
7. method according to claim 5 is characterized in that, described policy, billing decision entity also comprises before sending the policy charging rule of confirming:
The policy, billing decision entity is received the request of the acquisition strategy charging regulation that the first policy and charging enforcement entity or the second policy and charging enforcement entity send; Perhaps,
The policy, billing decision entity is confirmed and need be sent said policy charging rule to the first policy and charging enforcement entity or the second policy and charging enforcement entity; Perhaps,
The policy, billing decision entity of ownership place is received the request of the acquisition strategy charging regulation that the policy, billing decision entity on visit ground is sent.
8. according to claim 1,2 or 3 described methods, it is characterized in that the policy charging rule that said policy, billing decision entity is confirmed comprises: quality of service policy and/or charging policy.
9. according to claim 1,2 or 3 described methods, it is characterized in that the said first policy and charging enforcement entity is arranged in home agent or the packet data network gateway that is used for mobile IP; The said second policy and charging enforcement entity is arranged in Access Network gateway or base station.
10. the allocation entity of a policy and charging enforcement entity is characterized in that, comprising:
The allocation process unit, the terminal equipment that is used to current access distributes the first corresponding policy and charging enforcement entity;
First information transfer unit; Be used under roaming scence; The information of the first policy and charging enforcement entity that said allocation process unit is distributed sends to the policy, billing decision entity; The information of the described first policy and charging enforcement entity comprises: whether use at least one in position, sign, domain name and the address of indication and/or the first policy and charging enforcement entity of the first policy and charging enforcement entity, wherein, described position is meant ownership place or visit ground;
If the policy, billing decision entity that described policy, billing decision entity is an ownership place; Then said first information transfer unit specifically is used for, and the information of the first policy and charging enforcement entity that said allocation process unit is distributed sends to the policy, billing decision entity of said ownership place; If described policy, billing decision entity is the policy, billing decision entity on visit ground; Then said first information transfer unit specifically is used for; The information of the first policy and charging enforcement entity that said allocation process unit is distributed sends to the policy, billing decision entity of ownership place, so that the information that the policy, billing decision entity of said ownership place will the said first policy and charging enforcement entity is transmitted to the policy, billing decision entity on said visit ground.
11. a policy, billing decision entity is characterized in that, comprising:
Information receiving unit; Be used under roaming scence; Receive the information of the first policy and charging enforcement entity; The information of the described first policy and charging enforcement entity comprises: whether use at least one in position, sign, domain name and the address of indication and/or the first policy and charging enforcement entity of the first policy and charging enforcement entity, wherein, described position is meant ownership place or visit ground;
The policy charging rule transmitting element; The information of the first policy and charging enforcement entity that is used for receiving according to information receiving unit sends to the said first policy and charging enforcement entity with said policy charging rule; Perhaps, send to the described first policy and charging enforcement entity and be arranged at the second policy and charging enforcement entity in the Access Network;
If the policy, billing decision entity that described policy, billing decision entity is an ownership place, then said information receiving unit specifically is used for, and directly obtains the information of the said first policy and charging enforcement entity from the allocation entity of the first policy and charging enforcement entity; If described policy, billing decision entity is the policy, billing decision entity on visit ground; Then said information receiving unit specifically is used for, and obtains the information of the said first policy and charging enforcement entity from the allocation entity of the first policy and charging enforcement entity through the policy, billing decision entity of ownership place.
12. entity according to claim 11; It is characterized in that; Said policy, billing decision entity also is provided with the interface of communicating by letter with the allocation entity or the second policy and charging enforcement entity of the first policy and charging enforcement entity, and said information receiving unit obtains the information of the first policy and charging enforcement entity through this interface; Perhaps; Said policy, billing decision entity also be provided with the said first policy and charging enforcement entity directly or the interface of communicating by letter through strategy distribution entity, said information receiving unit is sent the information of obtaining the first policy and charging enforcement entity the log-on message through this interface from the said first policy and charging enforcement entity.
13. entity according to claim 11 is characterized in that, said policy, billing decision entity also comprises:
The first policy charging rule transfer unit is used at said policy, billing decision entity during as the policy, billing decision entity equipment of ownership place, and the policy, billing decision entity to visit ground sends policy charging rule.
14., it is characterized in that said policy, billing decision entity also comprises according to claim 11,12 or 13 described entities:
The policy charging rule processing unit; Be used at described policy, billing decision entity during as the policy, billing decision entity equipment on visit ground, the policy charging rule that the policy, billing decision entity of ownership place is sent is reduced according to local policy and/or Internet resources and is handled operation;
The second policy charging rule transfer unit; Be used for during as the policy, billing decision entity equipment on visit ground, will reducing by said policy charging rule processing unit and handling the policy, billing decision entity that operation back policy charging rule send to ownership place at described policy, billing decision entity.
15., it is characterized in that said policy, billing decision entity also comprises according to claim 11,12 or 13 described entities:
The second information transfer unit; Be used at said policy, billing decision entity during as the policy, billing decision entity equipment of ownership place, the information of the first policy and charging enforcement entity that said information receiving unit is obtained sends to the policy, billing decision entity on visit ground.
16. the implementation strategy system of control that charges is characterized in that in the wireless communication system, comprising:
The allocation entity of policy and charging enforcement entity is used under roaming scence, is the terminal distribution first policy and charging enforcement entity of current access, and the information of the said first policy and charging enforcement entity is sent to the policy, billing decision entity of ownership place;
The policy, billing decision entity; Be used to obtain the information of the said first policy and charging enforcement entity; And will confirm that policy charging rule sends to the described first policy and charging enforcement entity; Perhaps, send to the said first policy and charging enforcement entity and the second policy and charging enforcement entity that is arranged at diverse location;
The information of the described first policy and charging enforcement entity comprises: whether use at least one in position, sign, domain name and the address of indication and/or the first policy and charging enforcement entity of the first policy and charging enforcement entity; Wherein, described position is meant ownership place or visit ground;
If the policy, billing decision entity that described policy, billing decision entity is an ownership place, then the policy, billing decision entity of ownership place directly obtains the information of the said first policy and charging enforcement entity from the allocation entity of the first policy and charging enforcement entity; If described policy, billing decision entity is the policy, billing decision entity on visit ground, then the policy, billing decision entity on visit ground obtains the information of the said first policy and charging enforcement entity from the allocation entity of the first policy and charging enforcement entity through the policy, billing decision entity of ownership place.
17. system according to claim 16; It is characterized in that; The described first policy and charging enforcement entity is arranged in the connectivity serving network on visit ground or the connectivity serving network of ownership place; And described policy, billing decision entity comprises the policy, billing decision entity of ownership place and the policy, billing decision entity on visit ground, wherein
The policy, billing decision entity of ownership place directly or through strategy distribution entity sends to the first policy and charging enforcement entity with policy charging rule, perhaps, sends to the first policy and charging enforcement entity and the second policy and charging enforcement entity;
Perhaps,
The policy, billing decision entity on visit ground directly or through strategy distribution entity sends to the first policy and charging enforcement entity with policy charging rule, perhaps, sends to the first policy and charging enforcement entity and the second policy and charging enforcement entity;
Perhaps,
The policy, billing decision entity of ownership place sends to said policy charging rule the policy, billing decision entity on visit ground; And send to the first policy and charging enforcement entity after the policy, billing decision entity reduction processing by visit ground; Perhaps, send to the first policy and charging enforcement entity and the second policy and charging enforcement entity;
Perhaps,
The policy, billing decision entity of ownership place sends to the policy, billing decision entity and the first policy and charging enforcement entity of visiting ground with said policy charging rule, sends to the second policy and charging enforcement entity after the policy, billing decision entity on said visit ground is reduced processing to said policy charging rule;
Perhaps,
The policy, billing decision entity of ownership place sends to said policy charging rule the policy, billing decision entity on visit ground; The policy, billing decision entity on said visit ground is reduced the policy, billing decision entity that sends to the second policy and charging enforcement entity and ownership place after the processing to said policy charging rule, and the policy, billing decision entity of said ownership place will send to the said first policy and charging enforcement entity by the policy charging rule that the policy, billing decision entity on visit ground is reduced after the processing.
18. system according to claim 17; It is characterized in that; If the described second policy and charging enforcement entity is entity movably; Then said system also comprises proxy policies charging execution entity, and the described second policy and charging enforcement entity obtains said policy charging rule through the proxy policies charging execution entity that is arranged in the Access Network.
19., it is characterized in that the said first policy and charging enforcement entity is arranged in home agent or the packet data network gateway that is used for mobile IP according to claim 16,17 or 18 described systems; The second policy and charging enforcement entity is arranged in Access Network gateway or base station.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101404233A CN101296096B (en) | 2007-04-27 | 2007-08-10 | Method, device and system for implementing policy charging control in radio communication system |
| PCT/CN2008/070827 WO2008131695A1 (en) | 2007-04-27 | 2008-04-28 | Method, device and system for realizing policy and charging control in wireless communication system |
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| CN200710097207.5 | 2007-04-27 | ||
| CN200710097207 | 2007-04-27 | ||
| CN2007101404233A CN101296096B (en) | 2007-04-27 | 2007-08-10 | Method, device and system for implementing policy charging control in radio communication system |
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| CN101730049B (en) * | 2009-06-16 | 2013-03-27 | 中兴通讯股份有限公司 | Method and system for realizing accounting control |
| CN101990254B (en) * | 2009-07-30 | 2013-07-03 | 中兴通讯股份有限公司 | Policy and charging control method as well as policy control and charging rule functional entities |
| EP2296309B1 (en) * | 2009-09-11 | 2012-10-31 | Alcatel Lucent | A method for delivering policy rules to an end user, according on his/her account balance and service subscription level, in a telecommunication network |
| CN101895937B (en) * | 2010-05-10 | 2013-03-27 | 中国联合网络通信集团有限公司 | Strategy control method and system |
| CN102572761B (en) * | 2010-12-13 | 2015-12-16 | 阿尔卡特朗讯 | In a communication network for the treatment of method and the device of service connection |
| CN102769933B (en) * | 2011-05-06 | 2017-05-17 | 中兴通讯股份有限公司 | Strategy conversation deleting method and system |
| KR102064890B1 (en) * | 2013-10-22 | 2020-02-11 | 삼성전자 주식회사 | Device for processing HARQ data selectively using internal and external memories, and Method there-of |
| US10129079B2 (en) | 2014-10-23 | 2018-11-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Telecommunications system and method |
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