Summary of the invention
Technical problem to be solved by this invention is to provide a kind of method and system that realize formulating service charging policy, can the position different according to the contracted user be that different business is selected different charging policy, thereby realize the charging that becomes more meticulous of business.
In order to solve the problems of the technologies described above, the invention provides a kind of method that realizes formulating service charging policy, relate to strategy and charging execution function entity PCEF, "Policy and Charging Rules Function entity PCRF and user-subscribed database SPR, the method comprises:
SPR pre-save user equipment (UE) signing service is based on the CAMEL-Subscription-Information of diverse location, and this UE signing service comprises positional information, service quality QoS information and charge information based on the CAMEL-Subscription-Information of diverse location;
PCRF determines strategy and charging control PCC strategy according to the UE current business based on the CAMEL-Subscription-Information of diverse location.
Further, PCRF after definite PCC strategy, with the PCC policy distribution determined to PCEF.
Further, PCRF determines that based on the CAMEL-Subscription-Information of diverse location the PCC strategy specifically comprises according to the UE current business:
When PCRF receives the establishment information of the UE business that PCEF reports, according to the information of the UE in establishment information and the information of business, obtain this business of UE based on the CAMEL-Subscription-Information of diverse location and preserve from SPR, therefrom obtaining the CAMEL-Subscription-Information corresponding with the current positional information of UE; Perhaps, according to the information of the UE in establishment information and information and the current positional information of UE of business, obtain the CAMEL-Subscription-Information corresponding with this positional information and preserve from SPR;
PCRF formulates the PCC strategy according to the CAMEL-Subscription-Information that obtains.
Further, PCRF determines that based on the CAMEL-Subscription-Information of diverse location the PCC strategy specifically comprises according to the UE current business:
When PCRF receives the modification information of the UE business that PCEF reports, obtain the information that the UE that carries in this business modification information changes, the information that this UE changes comprises the positional information of change at least;
If PCRF is enough to judge the CAMEL-Subscription-Information needs with the information updating of the current change of UE according to the CAMEL-Subscription-Information of the UE that preserves, from local or obtain the CAMEL-Subscription-Information of renewal from SPR; If can not judge the no information updating that changes with this UE of CAMEL-Subscription-Information according to the CAMEL-Subscription-Information of the UE that preserves, obtain from SPR the corresponding CAMEL-Subscription-Information of information that changes for this UE;
PCRF checks according to the CAMEL-Subscription-Information that obtains whether needs upgrade the PCC strategy, need to reformulate the PCC strategy.
Further, before determining the PCC strategy according to the UE current business based on the CAMEL-Subscription-Information of diverse location at PCRF, also comprise:
SPR detects this business in the UE business CAMEL-Subscription-Information changes, and notifies the PCRF subscription information update; The CAMEL-Subscription-Information that changes comprise in positional information, QoS information and charge information any one or a plurality of.
Further, determine that based on the CAMEL-Subscription-Information of diverse location the PCC strategy specifically comprises according to the UE current business at PCRF:
The business of the renewal of carrying in the notice of PCRF with subscription information update is preserved based on the CAMEL-Subscription-Information of diverse location, and the positional information current according to UE therefrom obtained the CAMEL-Subscription-Information of corresponding renewal; Perhaps, the positional information that PCRF is current according to UE is obtained the CAMEL-Subscription-Information of corresponding renewal from SPR;
PCRF checks according to the CAMEL-Subscription-Information that upgrades whether needs upgrade described PCC strategy, need to reformulate described PCC strategy.
In order to solve the problems of the technologies described above, the invention provides a kind of system that realizes formulating service charging policy, comprise the strategy and charging execution function entity PCEF, "Policy and Charging Rules Function entity PCRF and the user-subscribed database SPR that connect successively, wherein:
SPR is used for pre-save user equipment (UE) signing service based on the CAMEL-Subscription-Information of diverse location, and this UE signing service comprises positional information, service quality QoS information and charge information based on the CAMEL-Subscription-Information of diverse location;
PCRF is used for determining strategy and charging control PCC strategy according to the UE current business based on the CAMEL-Subscription-Information of diverse location;
PCEF is for report the information of UE business to PCRF.
Further,
PCRF, the PCC policy distribution that also is used for determining is to PCEF;
PCEF also is used for carrying out the PCC strategy.
Further,
PCEF, the information of the UE business that reports comprises the establishment information of UE business;
PCRF is used for obtaining this business of UE based on the CAMEL-Subscription-Information of diverse location and preserving from SPR according to the information of the UE of establishment information and the information of business, therefrom obtains the CAMEL-Subscription-Information corresponding with the current positional information of this UE; Perhaps according to the information of the UE in establishment information, information and the current positional information of this UE of business, obtain the CAMEL-Subscription-Information corresponding with this current positional information and preserve from SPR; Formulate the PCC strategy according to the CAMEL-Subscription-Information corresponding with the current positional information of this UE that obtains;
SPR also is used for the request according to PCRF, and this business of UE is returned to PCRF based on the CAMEL-Subscription-Information of diverse location or the CAMEL-Subscription-Information corresponding with the UE positional information.
Further,
PCEF, the information of the UE business that reports comprises the modification information of UE business;
PCRF, the information that this UE that carries for the modification message of obtaining business changes, the information that this UE changes comprises positional information at least; If be enough to judge the CAMEL-Subscription-Information needs with the information updating of the current change of this UE according to the CAMEL-Subscription-Information of this UE that preserves, from local or obtain the CAMEL-Subscription-Information of the information updating that changes for this UE from SPR; If can not judge the no information updating that changes with this UE of CAMEL-Subscription-Information according to the CAMEL-Subscription-Information of this UE that preserves, obtain from SPR the corresponding CAMEL-Subscription-Information of information that changes for this UE; Check according to the corresponding CAMEL-Subscription-Information of information that changes for this UE that obtains whether needs upgrade the PCC strategy, need to reformulate the PCC strategy;
SPR also is used for the request according to PCRF, and inquiry business is based on the CAMEL-Subscription-Information of diverse location, and therefrom obtains with the corresponding CAMEL-Subscription-Information of the information of the current change of UE, returns to PCRF.
Further,
SPR when also changing for the CAMEL-Subscription-Information that this business detected in the UE business, notifies the subscription information update of the described UE of PCRF; The CAMEL-Subscription-Information that changes comprise in positional information, charge information and QoS information any one or a plurality of.
Further,
PCRF also preserve based on the CAMEL-Subscription-Information of diverse location for this business of the renewal that the notice of subscription information update is carried, and the positional information current according to this UE is therefrom obtained the CAMEL-Subscription-Information of renewal; Perhaps, the positional information current according to this UE obtained the CAMEL-Subscription-Information of renewal from SPR; Check according to the CAMEL-Subscription-Information that upgrades whether needs upgrade the PCC strategy, need to reformulate the PCC strategy;
SPR also is used for the request according to PCRF, and the described business that UE is upgraded is based on the CAMEL-Subscription-Information of diverse location or return to PCRF with the CAMEL-Subscription-Information of the corresponding renewal of the described positional information of UE.
The present invention is by preserving user's signing service based on the CAMEL-Subscription-Information of diverse location in SPR, making PCRF to carry out in process for user different position in different business is that it selects different CAMEL-Subscription-Information, and formulate accordingly corresponding PCC strategy, thereby can realize the charging that becomes more meticulous of business.
Embodiment
Method and the system thereof of service charging policy formulated in realization provided by the invention, and its inventive concept is to preserve in advance all signing service of user equipment (UE) based on the CAMEL-Subscription-Information of diverse location in SPR; When UE initiated a business, the PCRF positional information current according to UE obtained corresponding CAMEL-Subscription-Information from SPR, and formulated the PCC policy distribution to PCEF according to the CAMEL-Subscription-Information that obtains.Perhaps, this business of UE detected as SPR based on the CAMEL-Subscription-Information change of diverse location in business procedure, notify the PCRF subscription information update; Perhaps, the current information of UE detected as PCEF and change in business procedure, with the information notification PCRF of UE renewal; The position acquisition CAMEL-Subscription-Information (from this locality obtain or from SPR obtain) corresponding with this position that PCRF is current according to the UE business, and judge whether that according to the CAMEL-Subscription-Information that obtains needs upgrade the PCC strategy, the PCC policy distribution that needs to upgrade is to PCEF.
Below in conjunction with accompanying drawing and preferred embodiment, technical scheme of the present invention is described in detail and explains, so that this technical scheme can be well understood to and can be implemented, but illustrated embodiment is all not as a limitation of the invention.
The method of PCC strategy is formulated in realization provided by the invention, relates to strategy and charging execution function entity PCEF, "Policy and Charging Rules Function entity PCRF and user-subscribed database SPR, and the method comprises:
(1) preserve in advance the location-based CAMEL-Subscription-Information of user equipment (UE) signing service in SPR;
For example, preserve the location-based CAMEL-Subscription-Information of the following different signing service of UE in SPR, as shown in table 1, wherein CAMEL-Subscription-Information comprises positional information, QoS information, charge information etc.
Table 1
When the A that commences business (Service A), if the current positional information (such as time zone, residential quarter or tracking area) of UE is Location 1, its current QoS information (comprise medium type, guarantee bandwidth, transfer level etc.) is QoS Profile 1, corresponding charge information (such as rate group rate group etc.) is Charging Info 1, if the current positional information of UE is Location 2 or Location 3, QoS information is QoS Profile 2, and charge information is Charging Info 2.Similarly, when carrying out Service B corresponding to the CAMEL-Subscription-Information of UE diverse location.
In above positional information, " residential quarter " (or " Route Area ") is the position definition in universal mobile telecommunications system (UMTS, Universal Mobile Telecommunication System) system; " tracking area " is the position definition in the grouping system EPS of evolution; " time zone " is in the position definition that various mobile communcations systems have.
The above UE different business of preserving in SPR is based on the CAMEL-Subscription-Information of diverse location, in the time of need to formulating the PCC strategy of business according to positional information for PCRF.
Note, in table 1, the CAMEL-Subscription-Information of statement is only its a kind of form, and in fact, CAMEL-Subscription-Information is not this this a kind of form only, also has many other forms.For example, charge information wherein can also that is to say again for the further refinement of QoS information, and charge information not only depends on positional information, also depends on simultaneously QoS information, etc.
(2) corresponding CAMEL-Subscription-Information is chosen in PCRF position current according to UE in business procedure, and formulates the PCC strategy or determine whether to upgrade the PCC strategy according to the CAMEL-Subscription-Information of choosing, with the PCC policy distribution formulating or upgrade to PCEF.
Three kinds of application scenarioss below minute:
A, when UE initiates a business, the position that PCRF is current according to UE obtains corresponding CAMEL-Subscription-Information from the location-based CAMEL-Subscription-Information of this business, and formulates the PCC policy distribution to PCEF according to the CAMEL-Subscription-Information that obtains.
PCRF can be to the SPR acquisition request to the location-based CAMEL-Subscription-Information of this business of UE, and is stored in this locality, therefrom obtains the CAMEL-Subscription-Information (comprise charge information etc.) corresponding with UE current position; Perhaps, the position current according to UE is to the SPR acquisition request CAMEL-Subscription-Information corresponding with this position (comprising charge information etc.).
Receive the CAMEL-Subscription-Information request message of PCRF as SPR, according to the UE information of carrying in message (such as the number of UE etc.) and business information (such as service identification of business A) inquire this business of UE based on the relevant information in the CAMEL-Subscription-Information of diverse location, and return to the CAMEL-Subscription-Information response message to PCRF, contain the CAMEL-Subscription-Information based on diverse location of this business of UE in message, as shown in table 2.
Table 2
Positional information |
QoS information |
Charge information |
Out of Memory |
Location 1 |
QoS Profile 1 |
Charging Info 1 |
...... |
Location 2 |
QoS Profile 2 |
Charging Info 2 |
...... |
Location 3 |
QoS Profile 2 |
Charging Info 2 |
...... |
After PCRF receives this response message, preserve this business of UE based on corresponding subscription data (table 2) in the CAMEL-Subscription-Information of diverse location, when carrying out this business, corresponding CAMEL-Subscription-Information (comprising charge information etc.) is selected in the position current according to UE, and formulates the PCC strategy according to the CAMEL-Subscription-Information of selecting.
Perhaps, receive the CAMEL-Subscription-Information request message of PCRF as SPR, information (such as Location1) according to the UE information of carrying in message and business information (such as service identification) and UE current location, inquire this business for the CAMEL-Subscription-Information of UE current location, and return to the CAMEL-Subscription-Information response message to UE, carry this business in message for the CAMEL-Subscription-Information of UE current location, as shown in table 3.
Table 3
QoS information |
Charge information |
Out of Memory |
QoS Profile 1 |
Charging Info 1 |
...... |
After PCRF receives this response message, preserve the CAMEL-Subscription-Information for the UE current location (comprising charge information etc.) wherein, and formulate the PCC strategy according to this CAMEL-Subscription-Information.
Perhaps, SPR receives the CAMEL-Subscription-Information request message of PCRF, information (such as Location1) and the current QoS information (such as QoS Profile 1) of UE according to the UE information of carrying in message and business information (such as service identification), UE current location, inquire this business for the charge information of UE current location, Qos, and return to the CAMEL-Subscription-Information response message to UE, carry this business in message for the charge information of UE current location, Qos.
B, the CAMEL-Subscription-Information that UE detected as SPR in business procedure change, and notify the location-based CAMEL-Subscription-Information of this business of PCRF to upgrade; The position acquisition CAMEL-Subscription-Information corresponding with this position that PCRF is current according to UE in this business, and upgrade the PCC strategy when whether checking needs according to the CAMEL-Subscription-Information that obtains, the PCC policy distribution that needs to upgrade is to PCEF.
The CAMEL-Subscription-Information of the UE that SPR detects changes, such as the signing positional information change of UE, or the signing changes such as charge information corresponding with positional information of UE.
After PCRF receives the notice (namely upgrading CAMEL-Subscription-Information request or indication) of SPR, the position current according to UE, obtain corresponding CAMEL-Subscription-Information (comprising charge information) from this business of UE of local storage update based on the CAMEL-Subscription-Information (i.e. table 2) of diverse location, or obtain corresponding CAMEL-Subscription-Information (i.e. table 3) from SPR.
C, the current information of UE detected as PCEF change in business procedure, with the information notification PCRF that upgrades; The CAMEL-Subscription-Information that acquisition of information that PCRF upgrades accordingly upgrades, and check according to the CAMEL-Subscription-Information that upgrades whether needs upgrade the PCC strategy, the PCC policy distribution that needs to upgrade is to PCEF.
The current information of the UE that PCEF detects changes, such as the current positional information of UE changes.If the CAMEL-Subscription-Information that PCRF preserves according to this locality is enough to judge corresponding CAMEL-Subscription-Information (comprising charge information etc.) and needs to upgrade, and can get the CAMEL-Subscription-Information of renewal from this locality, obtain the CAMEL-Subscription-Information corresponding to the position of this change from this locality; Whether needs upgrade if the CAMEL-Subscription-Information that PCRF preserves according to this locality is not enough to judge corresponding CAMEL-Subscription-Information, ask SPR again to obtain CAMEL-Subscription-Information (comprising charge information etc.) under the position that UE changes.
The present invention is directed to said method, propose the corresponding system that formulates service charging policy, comprise the strategy and charging execution function entity PCEF, "Policy and Charging Rules Function entity PCRF and the user-subscribed database SPR that connect successively, wherein:
PCEF is used for carrying out the charging statistics according to the PCC strategy that receives from PCRF; Report the UE service related information to PCRF;
The UE service related information that PCEF reports comprises conversation establishing indication or session modification indication; Wherein, the session modification indication is informed PCRF for the current information change (changing as the position) of UE being detected at business procedure;
PCRF is used for obtaining corresponding CAMEL-Subscription-Information according to the current positional information of UE service related information UE that PCEF reports, and formulates the PCC strategy according to the CAMEL-Subscription-Information that obtains; Perhaps, upgrade CAMEL-Subscription-Information according to the UE current business of SPR notice, obtain the CAMEL-Subscription-Information that this business of UE is upgraded, and reformulate as required the PCC strategy; With the PCC policy distribution formulating or reformulate to PCEF;
At this, PCRF can be after the UE current business of receiving SPR be upgraded the notice of CAMEL-Subscription-Information, and the location-based CAMEL-Subscription-Information to the SPR acquisition request to this business, and be stored in this locality therefrom obtains the CAMEL-Subscription-Information corresponding with UE current position; Or the position current according to UE is to the SPR acquisition request CAMEL-Subscription-Information corresponding with this position.CAMEL-Subscription-Information comprises charge information, QoS information etc.
At this, PCRF can obtain the positional information that UE upgrades from PCEF, or the location-based CAMEL-Subscription-Information that obtains upgrading from SPR (comprising the positional information, charge information, QoS information of renewal etc.).The position that PCRF upgrades according to UE obtains the CAMEL-Subscription-Information (comprising charge information etc.) of renewal, or obtains the CAMEL-Subscription-Information of renewal from SPR from the location-based CAMEL-Subscription-Information of UE that preserve this locality.
SPR is used for the location-based CAMEL-Subscription-Information of the signing service of pre-save user equipment (UE); When receiving the CAMEL-Subscription-Information request of the UE business that PCRF sends, the location-based CAMEL-Subscription-Information of this business or this business are returned to PCRF for the CAMEL-Subscription-Information of UE current location; The location-based subscription information update of UE current business detected in business procedure, notify PCRF to upgrade CAMEL-Subscription-Information.
At this, the location-based subscription information update of UE current business comprises QoS information, charge information of the positional information of renewal or renewal etc.
Embodiment one
When UE initiated certain business, PCRF got the location-based CAMEL-Subscription-Information (as table 2) of this business of UE from SPR, and the position current according to the user, obtain corresponding charge information, formulate accordingly the PCC strategy and be handed down to PCEF, as shown in Figure 3, comprising the steps:
301:PCEF sends to PCRF with the indication of IP-CAN conversation establishing after receiving and creating IP-CAN session request;
302:PCRF asks the UE and the location-based CAMEL-Subscription-Information of business thereof that relate in indication after receiving this IP-CAN conversation establishing indication to SPR;
303:SPR finds this business of UE based on the CAMEL-Subscription-Information of diverse location according to UE information (as the number of UE) and business information (as service identification), and returns to PCRF;
This business of UE is as shown in table 2 based on the CAMEL-Subscription-Information of diverse location, comprises QoS information that everybody deposits, charge information etc.
304:PCRF stores the location-based CAMEL-Subscription-Information of this this business of UE, and the positional information CAMEL-Subscription-Information current according to UE finds corresponding CAMEL-Subscription-Information (comprising at least charge information etc.);
305:PCRF formulates corresponding PCC strategy according to the CAMEL-Subscription-Information that finds;
306:PCRF returns to PCEF with IP-CAN conversation establishing response message, carries the PCC strategy of formulation in message.
Embodiment two
When UE initiated certain business, PCRF offered SPR with the current positional information of this business of UE, was found the CAMEL-Subscription-Information of this business correspondence under current location by SPR, and send to PCRF, PCRF formulates accordingly the PCC strategy and is handed down to PCEF, as shown in Figure 4, comprises the steps:
401:PCEF sends to PCRF with the indication of IP-CAN conversation establishing after receiving and creating IP-CAN session request;
402:PCRF to the CAMEL-Subscription-Information request message of this business of SPR, carries the current positional information of UE after receiving this IP-CAN conversation establishing indication in request message;
403:SPR finds the location-based CAMEL-Subscription-Information of this business of this UE according to UE information and business information, and the positional information current according to UE therefrom discovered and seized corresponding CAMEL-Subscription-Information;
This business of the UE that SPR discovers and seizes is as shown in table 3 for the CAMEL-Subscription-Information of current location, comprises charge information, QoS information etc.
404:SPR returns to PCRF with the CAMEL-Subscription-Information of discovering and seizing;
405:PCRF formulates corresponding PCC strategy according to this CAMEL-Subscription-Information;
406:PCRF returns to PCEF with IP-CAN conversation establishing response message, carries the PCC strategy of formulation in message.
Embodiment three
The CAMEL-Subscription-Information that the UE business detected as SPR in business procedure changes, for example: the positional information of this service contracting changes, or this business CAMEL-Subscription-Information corresponding with positional information changes, will upgrade the CAMEL-Subscription-Information request and send to PCRF, carry the CAMEL-Subscription-Information based on diverse location that this business is upgraded in request; PCRF receives the CAMEL-Subscription-Information of rear this renewal of storage, and corresponding CAMEL-Subscription-Information is is therefrom discovered and seized in the position current according to UE, and upgrades as required the PCC strategy, and the PCC policy distribution that upgrades to PCEF, as shown in Figure 5, is comprised the steps:
The CAMEL-Subscription-Information that 501:SPR detects the ongoing business of UE changes (for example positional information changes, or the change such as charge information);
502:SPR will upgrade the CAMEL-Subscription-Information request message and send to PCRF, carry the CAMEL-Subscription-Information based on diverse location that this business of UE is upgraded in message;
The CAMEL-Subscription-Information based on diverse location that this business of UE is upgraded is as shown in table 2, comprises QoS information that everybody deposits, charge information etc.
After 503:PCRF receives this solicited message, return to SPR and upgrade the CAMEL-Subscription-Information response message;
The CAMEL-Subscription-Information based on diverse location that this business of 504:PCRF storage UE is upgraded, the positional information current according to UE therefrom discovered and seized corresponding charge information etc.;
Whether 505:PCRF checks needs to upgrade corresponding PCC strategy, need to reformulate the PCC strategy;
506:PCRF with the PCC policy distribution reformulated to PCEF.
Embodiment four
The CAMEL-Subscription-Information that UE detected as SPR in business procedure changes, and (for example the positional information of this service contracting changes, or this business CAMEL-Subscription-Information corresponding with positional information changes), will upgrade the CAMEL-Subscription-Information indication and send to PCRF, trigger PCRF and again obtain the CAMEL-Subscription-Information corresponding with UE current position to SPR, then upgrade as required the PCC strategy, and with the PCC policy distribution that upgrades to PCEF, as described in Figure 6, comprise the steps:
601:SPR detects its CAMEL-Subscription-Information of the ongoing business of UE and changes, and for example positional information changes, or the changes such as charge information in CAMEL-Subscription-Information;
602:SPR will upgrade the CAMEL-Subscription-Information indication and send to PCRF;
603:PCRF carries the current positional information of UE to the CAMEL-Subscription-Information request message that SPR sends this business of UE in message;
604:SPR finds the CAMEL-Subscription-Information based on diverse location of the corresponding business of this UE according to UE information and business information, and the positional information current according to UE therefrom discovered and seized the CAMEL-Subscription-Information of renewal;
The CAMEL-Subscription-Information that 605:SPR will discover and seize returns to PCRF by the CAMEL-Subscription-Information response message;
The CAMEL-Subscription-Information for the renewal of UE current location that SPR returns is as shown in table 3, comprises charge information, QoS information etc.
After 606:PCRF receives the subscription information update response message, check according to the CAMEL-Subscription-Information in message whether needs upgrade the PCC strategy, need to reformulate the PCC strategy;
607:PCRF with the PCC policy distribution reformulated to PCEF.
Embodiment five
The current information of UE detected as PCEF and change (for example current location change) in business procedure, with the information notification PCRF that changes; Whether needs upgrade if the information that PCRF preserves according to this locality is enough to judge corresponding CAMEL-Subscription-Information, and upgrade as required the PCC strategy, and the PCC policy distribution that upgrades to PCEF, as shown in Figure 7, is comprised the steps:
701:PCEF detects the IP-CAN session modification;
702:PCEF sends to PCRF with the indication of IP-CAN session modification, carries the information (positional information that for example changes) of the current change of UE in indication;
This business of UE that 703:PCRF preserves according to this locality is based on the CAMEL-Subscription-Information of diverse location, be enough to judge whether CAMEL-Subscription-Information wherein needs to upgrade, and just can get the CAMEL-Subscription-Information of renewal from this locality when needing to upgrade, and not need to obtain from SPR the CAMEL-Subscription-Information of renewal;
For example, PCRF preserves this locality the CAMEL-Subscription-Information based on diverse location as shown in table 2, when UE changes to Location 2 from Location 1, this CAMEL-Subscription-Information that PCRF preserves according to this locality, be enough to judge that corresponding QoS information, charge information need to upgrade, namely need to be updated to QoS Profile 2, Charging Info 2 from QoS Profile 1, Charging Info1, and can get QoSProfile 2, the Charging Info 2 of this renewal from this locality, thereby not need by obtaining alternately the CAMEL-Subscription-Information of renewal with SPR.
Perhaps, when UE changes to Location 3 from Location 2, this CAMEL-Subscription-Information that PCRF preserves according to this locality, be enough to judge that corresponding QoS information, charge information do not need to upgrade, be still namely QoS Profile 2, the Charging Info 2 under Location2, also do not need by obtaining alternately the CAMEL-Subscription-Information of renewal with SPR.
704:PCRF obtains CAMEL-Subscription-Information corresponding to UE current location from the CAMEL-Subscription-Information based on diverse location of this business of this locality preservation;
705:PCRF checks whether need to upgrade the PCC strategy, need to reformulate the PCC strategy;
706:PCRF returns to PCEF with IP-CAN session modification response message, if PCRF upgrades the PCC strategy, carries the PCC strategy of reformulating in message.
Embodiment six
The UE current information detected as PCEF and change (for example positional information) in business procedure, the information notification PCRF that UE is upgraded; Whether needs upgrade if the information that PCRF preserves according to this locality is not enough to judge corresponding CAMEL-Subscription-Information, recapture CAMEL-Subscription-Information (comprising charge information) under current location to SPR request, after receiving the CAMEL-Subscription-Information that SPR returns, upgrade as required the PCC strategy, with the PCC policy distribution that upgrades to PCEF, as shown in Figure 8, comprise the steps:
801:PCEF detects the IP-CAN session modification;
802:PCEF sends to PCRF with the indication of IP-CAN session modification, carries the information (positional information that for example changes) of the current change of UE in indication;
The business that 803:PCRF preserves according to this locality is based on the CAMEL-Subscription-Information of diverse location, and whether need upgrade, need to obtain corresponding CAMEL-Subscription-Information from SPR if being not enough to judge corresponding charge information;
For example, the CAMEL-Subscription-Information for Location 1 as shown in table 3 is only preserved in PCRF this locality, when UE changes to Location 2 from Location 1, the CAMEL-Subscription-Information that PCRF preserves according to this locality can not be enough to judge whether needs upgrade for corresponding QoS information, charge information, need to obtain corresponding CAMEL-Subscription-Information from SPR.
804:PCRF sends the CAMEL-Subscription-Information request message to SPR, carries the current positional information of UE in message;
805:SPR finds the CAMEL-Subscription-Information based on diverse location of this user's corresponding business according to user profile and business information, and the positional information current according to UE therefrom discovered and seized up-to-date CAMEL-Subscription-Information (comprising at least charge information);
The CAMEL-Subscription-Information that 806:SPR will discover and seize returns to PCRF;
807:PCRF checks according to this CAMEL-Subscription-Information whether needs upgrade the PCC strategy, need to reformulate the PCC strategy;
808:PCRF returns to PCEF with IP-CAN session modification response message, if PCRF upgrades the PCC strategy, carries the PCC strategy of reformulating in message.
To sum up embodiment can find out, the present invention is by preserving contracted user's the location-based CAMEL-Subscription-Information of different business in SPR, make PCRF can be in different business procedures be that it selects different CAMEL-Subscription-Information (for example charge information) for contracted user different position, and formulate corresponding PCC strategy according to CAMEL-Subscription-Information, thereby can realize the charging that becomes more meticulous of business.
These are only preferred embodiment of the present invention, is not for limiting protection scope of the present invention.The present invention also can exemplify other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.