CN103686655B - Billing control method and device - Google Patents
Billing control method and device Download PDFInfo
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- CN103686655B CN103686655B CN201210330267.8A CN201210330267A CN103686655B CN 103686655 B CN103686655 B CN 103686655B CN 201210330267 A CN201210330267 A CN 201210330267A CN 103686655 B CN103686655 B CN 103686655B
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- access network
- twan
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
- H04L12/1403—Architecture for metering, charging or billing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/66—Policy and charging system
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Abstract
The invention discloses a kind of billing control method and devices, wherein this method comprises: grouped data network gateway obtains the charging policy based on access network type from home subscriber server；Grouped data network gateway carries out charging control to from the UE of different access network insertions according to the charging policy.Through the invention, solve the problems, such as that user cannot be distinguished by charging policy when different access network insertion EPC in the related technology, technical support is provided to carry out charging control according to different access network types, improves the scope of application and flexibility of charging control.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of billing control method and device.
Background technique
Fig. 1 is according to the structural schematic diagram of the evolved packet system of the relevant technologies, as shown in Figure 1, third generation affiliate
Plan the grouping system (Evolved of the evolution of (3rd Generaion Partnership Project, referred to as 3GPP)
Packet System, referred to as EPS) include evolution Universal Terrestrial Radio Access Network (Evolved Universal
Terrestrial Radio Access Network, referred to as E-UTRAN), mobile management unit (Mobility
Management Entity, referred to as MME), gateway (Serving Gateway, referred to as S-GW), Packet Data Network
Network diagram closes (Packet Data Network Gateway, referred to as P-GW), home subscriber server (Home Subscriber
Server, referred to as HSS).
Wherein, MME is responsible for mobile management, the processing of Non-Access Stratum signaling and management of user's mobile management context etc.
The related work of control plane；S-GW is the accessing gateway equipment being connected with E-UTRAN, the forwarding number between E-UTRAN and P-GW
According to, and be responsible for caching the pending datas such as paging；P-GW is then EPS and packet data network (Packet Data
Network, referred to as PDN) network borde gateway, be responsible for the access of PDN and forward the functions such as data between EPS and PDN.UE
Service universal packet wireless business business support node (the Serving General by upgrading can also be accessed by UTRAN
Packet radio service support node, referred to as SGSN), SGSN is grouped by S-GW connection P-GW
The access of business.This SGSN by upgrading is known as S4SGSN.It carries out the interaction of control plane by S3 interface and MME, leads to
It crosses S4 interface and S-GW carries out the interaction in user face.
If EPS system support policy charging control (Policy and Charging Control, referred to as PCC), strategy
Strategy and meter are carried out with charging rule functions (Policy and Charging Rules Function, referred to as PCRF) entity
Take the formulation of rule, it passes through receiving interface Rx and carrier network agreement (Internet Protocol, referred to as IP) business
Application function (Application Function, referred to as AF) entity in network is connected, and business information is obtained, for generating
The business information of PCC strategy.When the S5 interface between S-GW and P-GW uses GPRS Tunnel Protocol (GPRS Tunnelling
Protocol, referred to as GTP) agreement when, strategy and charge execution function (Policy and Charging are resided in P-GW
Enforcement Function, referred to as PCEF) entity, PCRF entity exchanges information by Gx interface between P-GW, responsible
Initiate carrying foundation, modification and release, guarantee business datum service quality (Quality of Service, referred to as
QoS), and charging control is carried out.When S-GW and P-GW S5 interface using proxy-mobile IP (Proxy Mobile IP, referred to as
When PMIP), bearing binding and event reporting function (Bearer Binding and Event Report are resident in S-GW
Function, referred to as BBERF) entity, and information is exchanged by Gxc interface between S-GW and PCRF entity, by BBERF reality
Body is responsible for initiating the foundation of carrying, modification and release, guarantees the service quality of business datum, carries out charging control by PCEF entity
System.
EPS system supports the online charging and offline charging of corresponding user.For online charging, P-GW by Gy interface with
Online charging system (Online Charging System, referred to as OCS) interaction, executes diameter credit control and management, for from
Line charging, P-GW is interactive by Gz interface and off-line accounting system (Offline Charging System, referred to as OFCS),
Report the information such as ticket.
Fig. 2 is the schematic network structure of the 3GPP network and non-3 GPP network intercommunication according to the relevant technologies, such as Fig. 2 institute
Show, EPS is supported and the intercommunication of non-3 GPP system, wherein the intercommunication with non-3 GPP system realized by S2a/b/c interface, P-GW
As the anchor point between 3GPP and non-3 GPP system.In the system architecture of EPS, non-3 GPP system access is divided into trustless non-
3GPP access and trusted non-3 GPP access；Wherein, trustless non-3 GPP access needs the packet data gateway by evolution
(Evolved Packet Data Gateway, referred to as ePDG) is connected with P-GW, and the interface between ePDG and P-GW is S2b；It can
Trusting non-3 GPP access can directly be connect by S2a interface with P-GW；In addition, S2c interface provides user equipment (User
Equipment, referred to as UE) relevant to the user interface between P-GW control and mobility support, the mobility supported
Management agreement is mobile IP v 6 (the Mobile IPv6Support for Dual Stack Hosts and for supporting double stacks
Routers, referred to as DSMIPv6), it can be used for trustless non-3 gpp and trusted non-3 GPP access.
Recently as WLAN (Wireless Local Area Network, referred to as WLAN) coverage area
Expansion and its safety fast development, more and more operators think that WLAN can be used as non-3 gpp trusty and connect
The packet-based core networks (Evolved Packet Core, referred to as EPC) for entering the evolution in network insertion EPS, especially EPS, when
When WLAN is considered trusted by operator, WLAN access net (Trusted WLAN Access Network, letter trusty
Referred to as TWAN), pass through STa interface and authentication, authorization and charging (Authentication Authorization and
Accounting, referred to as AAA) servers/proxies connection, it can be connected by S2a interface with P-GW, access EPS network.
Fig. 3 is the non-roaming configuration diagram that net access EPC is accessed according to the WLAN trusty of the relevant technologies, such as Fig. 3
Shown, wherein TWAN includes WLAN access net (WLAN Access Network, referred to as WLAN AN), and WLAN trusty connects
Function Access Gateway (Trusted WLAN Access Gateway, referred to as TWAG), WLANAAA trusty act on behalf of (Trusted
WLAN AAA Proxy, referred to as TWAP).Include one or more WLAN access point (Access Point, letter in WLAN AN
Referred to as AP) or access control point (Access Controller, referred to as AC), TWAG connected by S2a interface with P-GW,
TWAP is connect by STa interface with aaa server/agency.TWAG and TWAP is logic function unit, and physically the two can
Point can with the two can also be unified with other network units.
There are the case where project is when studying TWAN access EPC, such as SaMOG project (Study on S2a at present
Mobility based On GTP&WLAN access to EPC, referred to as SaMOG), the main movement for studying S2a interface
Property.But up to the present there are no related subject study users to pass through the problem of charging correlation when TWAN access EPC.It uses in this way
There is oneself charging mode at family when accessing by Cellular Networks, but after being switched to WLAN, when accessing EPC in a manner of TWAN,
When perhaps directly accessing EPC in a manner of TWAN from WLAN access or user connects by Cellular Networks and by TWAN mode simultaneously
Enter EPC, it is unknown that how charging gateway, which carries out charging according to different access network types,.
Aiming at the problem that how charging policy is distinguished when user in the related technology is by different access network insertion EPC,
Currently no effective solution has been proposed.
Summary of the invention
For user in the related technology by charging policy indistinguishable problem when different access network insertion EPC,
The present invention provides a kind of charging control schemes, at least to solve the above problems.
According to an aspect of the invention, there is provided a kind of billing control method, comprising: grouped data network gateway obtains
The charging policy based on access network type from home subscriber server；The grouped data network gateway is according to the meter
Take strategy and carries out charging control to from the UE of different access network insertions.
Preferably, grouped data network gateway obtains the charging based on access network type from home subscriber server
Strategy, which includes: the grouped data network gateway, obtains the charging policy from TWAN；Wherein, the charging policy is that AAA exists
During carrying out network side authentication to the UE accessed by the TWAN, Xiang Suoshu home subscriber server is obtained, and in network
Side authenticates in successful situation, and the charging policy is sent to the TWAN.
Preferably, in the case where the TWAN includes TWAP and TWAG, the charging policy is sent to institute by the AAA
State TWAN to include: the AAA send to the TWAP include EAP success message AAA message, wherein in the AAA message
Carry the charging policy；The TWAP sends to the TWAG and requests, wherein the charging plan is carried in the request
Slightly.
Preferably, it includes: the TWAN to described that the grouped data network gateway, which obtains the charging policy from TWAN,
Grouped data network gateway sends creation conversation request message, wherein carries the meter in the creation conversation request message
Take strategy.
Preferably, after the charging policy is sent to the TWAN by the AAA, further includes: the TWAN is at this
Ground saves the charging policy.
Preferably, the method also includes: the grouped data network gateway, which obtains, comes from the home subscriber server
Based on access network type modified charging policy；The grouped data network gateway is according to the modified charging
Strategy carries out charging control to from the UE of different access net accesses.
Preferably, the grouped data network gateway obtain from the home subscriber server based on access network class
The modified charging policy of type, which includes: the grouped data network gateway, obtains the modified charging policy from TWAN；
Wherein, the modified charging policy is AAA in the subscription information update from the home subscriber server received
It is obtained in request, and the charging policy is sent to the TWAN.
Preferably, it includes: described that the grouped data network gateway, which obtains the modified charging policy from TWAN,
TWAN sends modification carrying order to the grouped data network gateway, wherein carries in the modification carrying order described
Modified charging policy.
Preferably, the access network type includes at least one of: 3GPP network, non-3 GPP access network trusty
Network, fly-by-night non-3GPP access network.
According to another aspect of the present invention, a kind of billing control method is provided, comprising: grouped data network gateway obtains
The charging policy based on access network type from "Policy and Charging Rules Function；The grouped data network gateway is according to institute
It states charging policy and carries out charging control to from the UE of different access network insertions.
Preferably, the access network type includes at least one of: 3GPP network, non-3 GPP access network trusty
Network, fly-by-night non-3GPP access network.
In accordance with a further aspect of the present invention, a kind of charging controller is additionally provided, is located in grouped data network gateway,
It include: the first acquisition module, for obtaining the charging policy based on access network type from home subscriber server；First
Charging control module, for carrying out charging control to from the UE of different access network insertions according to the charging policy.
Preferably, the first acquisition module includes: first acquisition unit, for obtaining the charging policy from TWAN；
Wherein, the charging policy is AAA during carrying out network side authentication to the UE accessed by the TWAN, to the ownership
Client server obtains, and in the case where network side authenticates successful situation, the charging policy is sent to the TWAN.
Preferably, the first acquisition unit includes: the first receiving unit, for receiving the creation meeting from the TWAN
Talk about request message, wherein carry the charging policy in the creation conversation request message.
Preferably, it is described first acquisition module be also used to obtain from the home subscriber server based on access network
The modified charging policy of type；The first charging control module be also used to according to the modified charging policy to from
The UE of different access networks access carries out charging control.
Preferably, described first module is obtained further include: second acquisition unit, it is described modified for being obtained from TWAN
Charging policy；Wherein, the modified charging policy is AAA in the signing from the home subscriber server received
It is obtained in information update request, and the charging policy is sent to the TWAN.
Preferably, the second acquisition unit includes: the second receiving unit, is held for receiving the modification from the TWAN
Carry order, wherein carry the modified charging policy in the modification carrying order.
It is according to the present invention also on the one hand to additionally provide a kind of charging controller, it is located in grouped data network gateway,
It include: the second acquisition module, for obtaining the charging policy based on access network type from "Policy and Charging Rules Function；
Second charging control module, for carrying out charging control to from the UE of different access network insertions according to the charging policy.
Through the invention, using grouped data network gateway obtain from home subscriber server based on access network class
The charging policy of type；Grouped data network gateway carries out charging control to from the UE of different access network insertions according to the charging policy
The mode of system solves user in the related technology and is asked by what charging policy when different access network insertion EPC cannot be distinguished
Topic provides technical support to carry out charging control according to different access network types, improves being applicable in for charging control
Range and flexibility.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram according to the evolved packet system of the relevant technologies；
Fig. 2 is the schematic network structure of the 3GPP network and non-3 GPP network intercommunication according to the relevant technologies；
Fig. 3 is the non-roaming configuration diagram that net access EPC is accessed according to the WLAN trusty of the relevant technologies；
Fig. 4 is the flow chart of billing control method according to an embodiment of the present invention；
Fig. 5 is the structural block diagram of charging controller according to an embodiment of the present invention；
Fig. 6 is the according to an embodiment of the present invention first preferred structure block diagram one for obtaining module；
Fig. 7 is the according to an embodiment of the present invention first preferred structure block diagram two for obtaining module；
Fig. 8 is the flow chart of another billing control method according to an embodiment of the present invention；
Fig. 9 is the structural block diagram of another charging controller according to an embodiment of the present invention；
Figure 10 is the flow diagram one that according to embodiments of the present invention one realization obtains the method for charging policy；
Figure 11 is the flow diagram two that according to embodiments of the present invention two realization obtains the method for charging policy；
Figure 12 is the flow diagram three that according to embodiments of the present invention three realization obtains the method for charging policy；
Figure 13 is the flow diagram four that according to embodiments of the present invention four realization obtains the method for charging policy.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
A kind of billing control method is provided in the present embodiment, and Fig. 4 is charging control side according to an embodiment of the present invention
The flow chart of method, as shown in figure 4, this method comprises the following steps:
Step S402, grouped data network gateway (for example, PGW or GGSN), which obtains, comes from home subscriber server
(HSS) the charging policy based on access network type；
Step S404, grouped data network gateway are counted according to the charging policy to from the UE of different access network insertions
Take control.
Through the above steps, grouped data network gateway gets the charging plan based on access network type to the present embodiment
Slightly, and according to the charging policy to from the UE of different access network insertions charging control is carried out, solves user in the related technology
By charging policy indistinguishable problem when different access network insertion EPC, to be carried out according to different access network types
Charging control provides technical support, improves the scope of application and flexibility of charging control.
Preferably, above-mentioned access network type can be 3GPP network and/or non-3GPP access network trusty, and/
Or fly-by-night non-3GPP access network.
In the case where accessing network type is non-3GPP access network trusty (for example, WLAN), as a kind of excellent
Embodiment is selected, the mode that grouped data network gateway obtains above-mentioned charging policy can be to be connect from WLAN trusty
It is obtained at networking (TWAN).Wherein, which can be AAA in the mistake for carrying out network side authentication to the UE accessed by TWAN
Cheng Zhong is obtained to home subscriber server, and in the case where network side authenticates successful situation, charging policy is sent to TWAN.?
It is got that is, the charging policy can be AAA from HSS, has been sent to TWAN, so that TWAN can should during UE access
Charging policy is sent to grouped data network gateway.It is asked for example, TWAN can send creation session to grouped data network gateway
Message is sought, carries charging policy in the creation conversation request message.
Preferably, in the case where TWAN includes TWAP and TWAG, if the two physical separation, can from AAA first to
TWAP transmission includes the AAA message of EAP success message, also carries the charging policy in the AAA message；Then, TWAP is again
It sends and requests to TWAG, and carry above-mentioned charging policy in the request.In this way, TWAN can be obtained easily
To the charging policy from HSS, which is easily achieved.Preferably, the AAA message comprising EAP success message can be
Radius message, or may be diameter message.
Preferably, for the ease of the charging control of other UE access EPC in TWAN, the TWAN that can be will acquire is corresponding
Charging policy be stored in local.It in this way, can be directly by the meter when other UE need to access EPC in the TWAN
Expense strategy notice, to carry out charging control, is not necessarily to repeat to obtain from HSS to grouped data network gateway.
As a preferred implementation manner, if the charging policy in HSS changes, grouped data network gateway can
With obtain from HSS based on access network type modified charging policy, and according to modified charging policy to from
The UE of different access networks access carries out charging control.In this way, the charging policy in HSS is enabled to change
In the case where change, grouped data network gateway can quickly update the charging policy for charging control, improve rate of straining
And flexibility.
Preferably, before grouped data network gateway carries out charging control to UE according to modified charging policy, also
It can be sent to the access network accessed and update bearing request message.But it should be recognized that this docking networking is repaired
It is optional for changing.
In the case where accessing network type is non-3GPP access network trusty (for example, WLAN), as a kind of excellent
Embodiment is selected, the mode that grouped data network gateway obtains above-mentioned charging policy can be from TWAN and obtain modified charging
Strategy；Wherein, the modified charging policy can for AAA the signing information from home subscriber server received more
It is obtained in new request, and charging policy is sent to TWAN.That is, the charging policy, which can be HSS, is detecting the charging plan
After slightly changing, subscription information update request is sent to AAA, carries above-mentioned modified charging policy in the request；AAA
The modified charging policy TWAN is sent to, so that the modified charging policy can be sent to packet count by TWAN
According to network gateway.
Preferably, modified charging policy is sent to grouped data network gateway and can be held by sending modification by TWAN
The mode for carrying order is realized, wherein carries above-mentioned modified charging policy in modification carrying order.
Corresponding to above-mentioned billing control method, a kind of charging controller is additionally provided in the present embodiment, is located at grouping
In data network gateway, which had carried out the no longer superfluous of explanation for realizing above-described embodiment and preferred embodiment
It states.As used below, the combination of the software and/or hardware of predetermined function may be implemented in term " module ".Although following real
Apply device described in example and preferably realized with software, but the combined realization of hardware or software and hardware be also can
It can and be contemplated.
Fig. 5 is the structural block diagram of charging controller according to an embodiment of the present invention, as shown in figure 5, the device includes:
One obtains module 52 and the first charging control module 54, and modules are described in detail below.
First obtains module 52, for obtaining the charging plan based on access network type from home subscriber server
Slightly；First charging control module 54 is connected, for obtaining the charging that module 52 obtains according to from first with the first acquisition module 52
Strategy carries out charging control to from the UE of different access network insertions.
By above-mentioned module, the first acquisition module 52 in grouped data network gateway is got based on access the present embodiment
The charging policy of network type, the first charging control module 54 according to the charging policy to from it is different access network insertions UE into
Row charging control solves what user in the related technology cannot be distinguished by charging policy when different access network insertion EPC
Problem provides technical support to carry out charging control according to different access network types, improves the suitable of charging control
With range and flexibility.
Fig. 6 is the according to an embodiment of the present invention first preferred structure block diagram one for obtaining module 52, as shown in fig. 6, first
Obtaining module 52 may include: first acquisition unit 522, for obtaining charging policy from TWAN；Wherein, which is
Aaa server or agency obtain during carrying out network side authentication to the UE accessed by TWAN to home subscriber server
It takes, and in the case where network side authenticates successful situation, which is sent to TWAN.
Preferably, first acquisition unit 522 may include: the first receiving unit, for receiving the creation meeting from TWAN
Talk about request message, wherein carry above-mentioned charging policy in the creation conversation request message.
Preferably, in the case that the charging policy in HSS changes, the first acquisition module 52 can be also used for obtaining
The modified charging policy based on access network type from home subscriber server；First charging control module 54 may be used also
For carrying out charging control to from the UE of different access network insertions according to modified charging policy.
Fig. 7 is the according to an embodiment of the present invention first preferred structure block diagram two for obtaining module 52, as shown in fig. 7, first
Obtaining module 52 can also include: second acquisition unit 524, for obtaining modified charging policy from TWAN；Wherein, this is repaired
Charging policy after changing obtains in the subscription information update request from home subscriber server received for AAA, and will
Charging policy is sent to TWAN.
Preferably, second acquisition unit 524 may include: the second receiving unit, hold for receiving the modification from TWAN
Carry order, wherein carry modified charging policy in modification carrying order.
Another billing control method is additionally provided in the present embodiment, and Fig. 8 is another kind according to an embodiment of the present invention
The flow chart of billing control method, as shown in figure 8, this method comprises the following steps:
Step S802, grouped data network gateway (for example, PGW or GGSN), which obtains, comes from "Policy and Charging Rules Function
(PCRF) the charging policy based on access network type；
Step S804, grouped data network gateway are counted according to the charging policy to from the UE of different access network insertions
Take control.
Through the above steps, grouped data network gateway gets the base from "Policy and Charging Rules Function to the present embodiment
Charging control is carried out to from the UE of different access network insertions in the charging policy of access network type, and according to the charging policy
System solves the problems, such as that user cannot be distinguished by charging policy when different access network insertion EPC in the related technology, is root
Carry out charging control according to different access network type and provide technical support, improve charging control the scope of application and
Flexibility.
Preferably, above-mentioned access network type can be 3GPP network and/or non-3GPP access network trusty, and/
Or fly-by-night non-3GPP access network.
Corresponding to above-mentioned another billing control method, another charging controller is additionally provided in the present embodiment,
In grouped data network gateway, which had carried out explanation for realizing above-described embodiment and preferred embodiment
Repeat no more.As used below, the combination of the software and/or hardware of predetermined function may be implemented in term " module ".To the greatest extent
Device described in pipe following embodiment is preferably realized with software, but the combined reality of hardware or software and hardware
Now and may and it be contemplated.
Fig. 9 is the structural block diagram of another charging controller according to an embodiment of the present invention, as shown in figure 9, the device
Include: the second acquisition module 92 and the second charging control module 94, modules are described in detail below.
Second obtains module 92, for obtaining the charging based on access network type from "Policy and Charging Rules Function
Strategy；Second charging control module 94 is connected, for obtaining the charging that module 92 obtains according to second with the second acquisition module 92
Strategy carries out charging control to from the UE of different access network insertions.
By above-mentioned module, the second acquisition module 92 in grouped data network gateway is got from strategy the present embodiment
With the charging policy based on access network type of charging rule functions, the second charging control module 94 is according to the charging policy pair
Charging control is carried out from the UE of different access network insertions, user in the related technology is solved and passes through different access network insertions
Charging policy indistinguishable problem when EPC, it is technical to be provided according to different access network type progress charging controls
It supports, improves the scope of application and flexibility of charging control.
It is illustrated below with reference to preferred embodiment, preferred embodiment below combines above-described embodiment and its preferred implementation
Mode.
In preferred embodiment below, a kind of method and system for obtaining charging policy are provided, in following preferred implementation
With grouped data network gateway be P-GW in example, and access network type be TWAN for be illustrated, P-GW from HSS by obtaining
It takes family to access from WLAN, charging policy when EPC is accessed in a manner of TWAN, P-GW does charging control according to charging policy.Example
Such as, it contracts on HSS the charging policy based on access net, the charging policy of signing is then handed down to TWAN, in TWAN
TWAP sends charging policy to P-GW by TWAG.
The method of acquisition charging policy in preferred embodiment below includes the following steps:
Step 1, in charging policy of contracting on HSS: when user accesses EPC by TWAN mode using by duration or
By flow or by other similar mode chargings.Namely formulate the charging policy based on access network type.
The charging policy based on access net of signing is handed down to TWAN by step 2, HSS, and TWAN again transmits charging policy
To P-GW.
Step 3, P-GW carry out charging control according to the user's charging policy got.
By the above-mentioned means, solving billing issues of the user by different access net access EPC when.
Embodiment one
Figure 10 is the flow diagram one that according to embodiments of the present invention one realization obtains the method for charging policy, such as Figure 10
Shown, user adheres to from WLAN for the first time, when accessing network insertion EPC with WLAN trusty, in expansible authentication protocol
In (Extensible Authentication Protocol, referred to as EAP) access authentication process, user is signed in HSS
TWAN is arrived under charging policy about, the TWAP in TWAN is transmitted charging policy in subsequent GTP establishment process by TWAG
To P-GW.
Step S1002:UE and WLANAN executes the distinctive access process of non-3 gpp, establishes L2 connection.
Step S1004:WLANAN sends EAP Request to UE and identifies (identity) message, the mark of request terminal.
Start EAP authentication process.
Step S1006:UE returns to EAP response/identity to WLAN AN, and (mark of user can be the mark of carried terminal
Permanent identification (permanent identity) is also possible to pseudo- mark (pseudonym identity)).WLAN AN will simultaneously
The user identifier received is by being given to aaa server in TWAP.
WLAN AN, TWAP, the EAP message between aaa server are encapsulated in AAA message, and AAA message can be remotely
Subscriber dialing Verification System (Remote Authentication Dial In User Service, referred to as radius) message
Either diameter message.
After step S1008:AAA receives the mark of UE, if it is considered to the mark received is invalid or can not basis
Pseudonym identity is mapped to effective international mobile subscriber identification (International Mobile
Subscriber Identity, referred to as IMSI) or aaa server think intermediate contact modifications or substitutions user
Identity, then AAA obtains identity to UE again, and UE return meets user identifier as defined in AAA.
After step S1010:AAA thinks that the identity of UE is effective, check local with the presence or absence of not used mirror
Weight vector, if it is present carrying out EAP authentication using local authentication vector；Otherwise, AAA requests authentication vector to HSS, and HSS is returned
Return authentication vector.
The local EPS signing information for whether having user of step S1012:AAA confirmation, if it is not, obtaining user to HSS
Signing information, HSS returns to user signing contract information, the charging plan based on access network type comprising user's signing in signing information
Slightly.
At HSS about user signing the charging policy based on access network type can be in the following way: as user from
When 3GPP is accessed by the way of charging by flow, using by by the way of duration based accounting when user is from non-3 GPP access.
When user accesses EPC from TWAN, it can be by duration or carry out charging by flow or by other modes.
AKA ' challenge process is completed between step S1014:AAA and UE, completes user to the authentication of network side.
AKA ' notification procedure is completed between step S1016:AAA and UE.
After step S1018:EAP is authenticated successfully, AAA sends out EAP success message to TWAP.Subscription data is included in transmission
It include charging policy in subscription data in the AAA message of EAP success message.
Step S1020:AAA executes register flow path to HSS.
After step S1022:TWAP intercepts the EAP success message of AAA hair, the user contracting data received is saved, it will
Charging policy preserves.Triggering TWAG establishes GTP tunnel.
Step S1024:TWAP adheres to trigger request (such as: WLAN attach request) message, triggering to TWAG hair L2
TWAG establishes the tunnel S2a.Send the subscription data of user (including charging policy) to TWAG simultaneously.
If TWAP and TWAG physical separation, which is external message, if TWAP and TWAG logical separation, object
If reason unification, then the message is internal trigger message.
Step S1026:TWAG sends out creation conversation request message to P-GW, and GTP tunnel is established in request.Simultaneously by charging policy
Pass to P-GW.
Step S1028:P-GW updates the address information of P-GW to AAA, while the address information is passed to HSS by AAA.
Step S1030:P-GW returns creation conversational response message.
After the completion of the tunnel step S1032:GTP is established, TWAG returns L2 attachment to TWAP and completes (such as: WLAN attach
Accept) message.
Step S1034:TWAP sends the EAP success message that AAA is sent to UE, terminates EAP authentication process.
When P-GW receive from TWAN come uplink user data or gone to TWAN down user data when, P-GW according to
The charging policy received in embodiment does charging control.
For convenience of explanation using EAP-AKA ' authentication mode in this embodiment, but it is not limited to the authentication mode,
Other authentication modes similarly may be implemented.
In this embodiment in order to briefly describe using L2 triggering TWAG establish GTP tunnel by the way of, if touched using L3
If hair TWAG establishes GTP tunnel, above-mentioned process slightly has modification, receives the EAP that S1018 step AAA is sent in TWAP and successfully disappears
After breath, the charging policy in AAA message is saved, while the EAP success message is issued to UE, terminates EAP and authenticated
Journey.After the EAP authentication process such as TWAP terminates, request message is sent out to TWAG, includes charging policy in request message.TWAG etc. is received
After to the request message of the L3 request message triggered and TWAP hair, then with establishing GTP tunnel between PGW.What GTP tunnel was established
Mode is walked with S1026-1030.
Embodiment two
Figure 11 is the flow diagram two that according to embodiments of the present invention two realization obtains the method for charging policy, such as Figure 11
Shown, user is switched under WLAN coverage after 3GPP access, when accessing network insertion EPC with WLAN trusty,
In EAP access authentication process, TWAN is arrived under the charging policy based on access network type that user is contracted in HSS, in TWAN
Charging policy is passed to P-GW in subsequent GTP establishment process by TWAG by TWAP.
Step S1102:UE is accessed from 3GPP, and there are GTP tunnels on S5 interface.
Step S1104:UE has found WLAN access system trusty, determines to be switched to discovery from the 3GPP of attachment access
Non-3GPP access system trusty.
The access authentication and authorization flow of step S1106:UE execution trusted non-3GPP access system.3GPP AAA clothes
Device authentication of being engaged in and authorization UE access non-3GPP access system trusty.In this process, 3GPPAAA server is inquired
HSS returns to the signing information in 3GPP access, includes charging policy in signing information.
The charging policy that user contracts at HSS, which can be, to be also possible to by duration by flow or based on other modes
Take.
Step S1108: in upper step after access authentication success, AAA sends out EAP success message to TWAP.By subscription data
It include charging policy in subscription data included in the AAA message of transmission EAP success message.
This AAA message comprising EAP success message can be radius message either diameter message.
After step S1110:TWAP intercepts the EAP success message of aaa server hair, the user's signing number received is saved
According to charging policy is preserved.Adhere to trigger request (such as: WLAN attach request) message to TWAG hair L2 simultaneously,
Triggering TWAG establishes the tunnel S2a.Send the subscription data of user (including charging policy) to TWAG simultaneously.
If TWAP and TWAG physical separation, which is external message, if TWAP and TWAG logical separation, object
If reason unification, then the message is internal trigger message.
Step S1112:TWAG sends out creation conversation request message to P-GW, and GTP tunnel is established in request.Simultaneously by charging policy
Pass to P-GW.P-GW does charging control according to the charging policy received.
Step S1114:P-GW updates the address information of P-GW to AAA, while the address information is passed to HSS by AAA.
Step S1116:P-GW returns to creation conversational response message.
After the completion of the tunnel step S1118:GTP is established, TWAG returns L2 attachment to TWAP and completes (such as: WLAN attach
Accept) message.
Step S1120:TWAP sends the EAP success message that AAA is sent to UE, terminates EAP authentication process.
Step S1122:P-GW triggers PDN deactivation process release 3GPP EPS carrying.
In this way when user accesses from 3GPP, P-GW charging in such a way that 3GPP is defined, when user is switched to non-3 gpp
Later, when P-GW is to the slave TWAG received the uplink user data come or the down user data gone to TWAG, P-GW according to
The charging policy received in embodiment does charging control.
Similarly, when user does stream migration from 3GPP and non-3 GPP access simultaneously, user's flow in 3GPP presses 3GPP's
Charging policy carries out charging, and user's flow in non-3 gpp presses the charging policy in non-3 gpp and carries out charging.Final charging words
It is singly the merging of the two.
For convenience of explanation using EAP-AKA ' authentication mode in this embodiment, but it is not limited to the authentication mode,
Other authentication modes similarly may be implemented.
In this embodiment in order to briefly describe using L2 triggering TWAG establish GTP tunnel by the way of, if touched using L3
If hair TWAG establishes GTP tunnel, above-mentioned process slightly has modification, receives the EAP that S1108 step AAA is sent in TWAP and successfully disappears
After breath, the charging policy in AAA message is saved, while the EAP success message is issued to UE, terminates EAP and authenticated
Journey.After the EAP authentication process such as TWAP terminates, request message is sent out to TWAG, includes charging policy in request message.TWAG etc. is received
After to the request message of the L3 request message triggered and TWAP hair, then with establishing GTP tunnel between PGW.What GTP tunnel was established
Mode is walked with S1112-1116.
Embodiment three
Figure 12 is the flow diagram three that according to embodiments of the present invention three realization obtains the method for charging policy, such as Figure 12
Shown, when the charging policy at HSS based on access network type changes, HSS tells the charging policy of change to P-GW.
Charging policy based on access net at step S1202:HSS changes, and HSS is disappeared by subscription information update request
Breath tells AAA user to be changed based on the charging policy of access net, while AAA tells the change in TWAN
TWAP。
After TWAP receives the charging policy change request based on access net in step S1204:TWAN, returns and update response.
Step S1206: while the TWAP in TWAN sends modification carrying order by TWAG and accuses the charging policy of change
It tells to P-GW.
Step S1208:PGW is held according to the charging policy based on access net received to from the user of different access net accesses
The new charging of row, while bearing request message is updated to the TWAG hair in TWAN.
Step S1208 is optional to step S1212, if PGW thinks to need to modify carrying when accessing from TWAN, initiates
The process.
After step S1210:TWAN receives update bearing request message, distinctive resource allocation or modification inside TWAN are executed
Mechanism.
Step S1212:TWAN, which is returned, updates bearing response message.
P-GW can do charging control according to the new charging policy received after receiving the charging policy after changing.
The embodiment is it is assumed that the case where when user accesses from TWAN, if user is inscribed fashionable from 3GPP, PGW is received
When the charging policy based on access network type changed, the network element in same optional notice 3GPP does bearing modification.
Example IV
Figure 13 is the flow diagram four that according to embodiments of the present invention four realization obtains the method for charging policy, such as Figure 13
Shown, PCRF carries out the formulation of charging policy based on access network type, is then connected to access network (IP by IP
Connectivity Access Network, referred to as IP-CAN) conversation procedure issues the charging plan based on access network type
Slightly.When the embodiment can be adapted for the IP-CAN session between PCEF and PCRF and not have trigger event.
PCEF functional module in step S1302:P-GW indicates IP-CAN session establishment, and IP-CAN session is established in request.
Step S1304: it if PCRF does not have the relevant information of user's signing, is stored to user property
(Subscription Profile Repository, referred to as SPR) sends out signing information request message, the same IP- of request
The relevant user signing contract information of CAN session.
Step S1306:SPR returns to signing information response to PCRF, carries the relevant user signing contract information of IP-CAN session.
PCRF saves the relevant information received.
The correlation letter about IP-CAN session that step S1308:PCRF is got according to the request of PCEF and from SPR
Breath, makes authorization and processing determines.
Decision in upper step is sent to PCEF by way of IP-CAN session response by step S1310:PCRF.Simultaneously
According to the type of access net, the charging policy based on access net locally formulated is sent by way of IP-CAN session response
To PCEF.Terminate IP-CAN session establishment process.
The charging policy based on access network type that PCRF is locally formulated can by the way of following, such as: Yong Hucong
When 3GPP is accessed, using by charging by the way of flow；When user is from non-3 GPP access, using by charging by the way of duration.Certainly
Other modes charging can also be used.
The charging policy based on access network type that PCRF is locally formulated can be by duration or by flow or by others
Mode carries out charging.Charging policy on PCRF can be disposed on the PCRF that is also possible on PCRF and be obtained by certain mode
's.
In this way when user accesses from different access nets, P-GW can be according to the charging based on access network type received
Strategy does charging control.
Process when above preferred embodiment merely depicts user from non-3 GPP access EPC trusty, needs herein
What is illustrated is to be not limited to access EPS system and by non-3 GPP access mode trusty, and this programme is applied equally to
Terminal accesses EPC network or GPRS network from GERAN/UTRAN.It may be equally applicable for fly-by-night non-3 GPP access
The case where net and S2c interface.If UE is accessed from GERAN/UTRAN, mobile management unit SGSN, Packet Data Network
It is GGSN that network diagram, which closes, without SGW.Related procedure repeats no more herein.
In another embodiment, a kind of software is additionally provided, the software is for executing above-described embodiment and preferred reality
Apply technical solution described in example.
In another embodiment, a kind of storage medium is additionally provided, above-mentioned software is stored in the storage medium, it should
Storage medium includes but is not limited to CD, floppy disk, hard disk, scratch pad memory etc..
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (23)
1. a kind of billing control method characterized by comprising
Grouped data network gateway obtains the charging policy based on access network type from home subscriber server；
The grouped data network gateway is carried out according to the charging policy to from the user equipment (UE) of different access network insertions
Charging control；
Wherein, grouped data network gateway obtains the charging policy packet based on access network type from home subscriber server
Include: the grouped data network gateway accesses net TWAN from WLAN trusty and obtains the charging policy；Wherein, institute
Stating charging policy is authentication, authorization and charging AAA during carrying out network side authentication to the UE accessed by the TWAN, to
The home subscriber server obtains, and in the case where network side authenticates successful situation, the charging policy is sent to described
TWAN。
2. the method according to claim 1, wherein including WLAN AAA trusty in the TWAN
In the case where acting on behalf of TWAP and WLAN access gateway TWAG trusty, the charging policy is sent to by the AAA
The TWAN includes:
The AAA sends the AAA message comprising expansible authentication protocol EAP success message to the TWAP, wherein described
The charging policy is carried in AAA message；
The TWAP sends to the TWAG and requests, wherein the charging policy is carried in the request.
3. the method according to claim 1, wherein the grouped data network gateway obtains the meter from TWAN
Taking strategy includes:
The TWAN sends creation conversation request message to the grouped data network gateway, wherein the creation session request
The charging policy is carried in message.
4. according to the method in any one of claims 1 to 3, which is characterized in that send out the charging policy in the AAA
After giving the TWAN, further includes:
The TWAN is locally saving the charging policy.
5. according to the method in any one of claims 1 to 3, which is characterized in that the method also includes:
After the grouped data network gateway obtains the modification based on access network type from the home subscriber server
Charging policy；
The grouped data network gateway is counted according to the modified charging policy to from the UE of different access net accesses
Take control.
6. according to the method described in claim 4, it is characterized in that, the method also includes:
After the grouped data network gateway obtains the modification based on access network type from the home subscriber server
Charging policy；
The grouped data network gateway is counted according to the modified charging policy to from the UE of different access net accesses
Take control.
7. according to the method described in claim 5, it is characterized in that, the grouped data network gateway, which obtains, comes from the ownership
Client server based on access network type modified charging policy include:
The grouped data network gateway obtains the modified charging policy from TWAN；
Wherein, the modified charging policy is AAA in the signing information from the home subscriber server received
It updates and is obtained in request, and the charging policy is sent to the TWAN.
8. according to the method described in claim 6, it is characterized in that, the grouped data network gateway, which obtains, comes from the ownership
Client server based on access network type modified charging policy include:
The grouped data network gateway obtains the modified charging policy from TWAN；
Wherein, the modified charging policy is AAA in the signing information from the home subscriber server received
It updates and is obtained in request, and the charging policy is sent to the TWAN.
9. the method according to the description of claim 7 is characterized in that the grouped data network gateway from TWAN obtain described in repair
Charging policy after changing includes:
The TWAN sends modification carrying order to the grouped data network gateway, wherein takes in the modification carrying order
With the modified charging policy.
10. according to the method described in claim 8, it is characterized in that, the grouped data network gateway is from described in TWAN acquisition
Modified charging policy includes:
The TWAN sends modification carrying order to the grouped data network gateway, wherein takes in the modification carrying order
With the modified charging policy.
11. according to the method in any one of claims 1 to 3, which is characterized in that the access network type includes following
At least one: third generation partner program 3GPP network, non-3GPP access network trusty, fly-by-night non-3 gpp connect
Enter network.
12. according to the method described in claim 4, it is characterized in that, the access network type includes at least one of: the
Third generation partnership project 3GPP network, non-3GPP access network trusty, fly-by-night non-3GPP access network.
13. according to the method described in claim 5, it is characterized in that, the access network type includes at least one of: the
Third generation partnership project 3GPP network, non-3GPP access network trusty, fly-by-night non-3GPP access network.
14. according to the method described in claim 6, it is characterized in that, the access network type includes at least one of: the
Third generation partnership project 3GPP network, non-3GPP access network trusty, fly-by-night non-3GPP access network.
15. the method according to the description of claim 7 is characterized in that the access network type includes at least one of: the
Third generation partnership project 3GPP network, non-3GPP access network trusty, fly-by-night non-3GPP access network.
16. according to the method described in claim 8, it is characterized in that, the access network type includes at least one of: the
Third generation partnership project 3GPP network, non-3GPP access network trusty, fly-by-night non-3GPP access network.
17. according to the method described in claim 9, it is characterized in that, the access network type includes at least one of: the
Third generation partnership project 3GPP network, non-3GPP access network trusty, fly-by-night non-3GPP access network.
18. according to the method described in claim 10, it is characterized in that, the access network type includes at least one of:
Third generation partner program 3GPP network, non-3GPP access network trusty, fly-by-night non-3GPP access network.
19. a kind of charging controller is located in grouped data network gateway characterized by comprising
First obtains module, for obtaining the charging policy based on access network type from home subscriber server；
First charging control module, for being carried out according to the charging policy to from the user equipment (UE) of different access network insertions
Charging control；
Wherein, the first acquisition module includes: first acquisition unit, for accessing net TWAN from WLAN trusty
Obtain the charging policy；Wherein, the charging policy is authentication, authorization and charging AAA to the UE accessed by the TWAN
During carrying out network side authentication, Xiang Suoshu home subscriber server is obtained, and in the case where network side authenticates successful situation, will
The charging policy is sent to the TWAN.
20. device according to claim 19, which is characterized in that the first acquisition unit includes:
First receiving unit, for receiving the creation conversation request message from the TWAN, wherein the creation session request
The charging policy is carried in message.
21. device described in any one of 9 to 20 according to claim 1, which is characterized in that
The first acquisition module is also used to obtain the modification based on access network type from the home subscriber server
Charging policy afterwards；
The first charging control module is also used to according to the modified charging policy to from different access network insertions
UE carries out charging control.
22. device according to claim 21, which is characterized in that described first obtains module further include:
Second acquisition unit, for obtaining the modified charging policy from TWAN；Wherein, the modified charging policy
It is obtained in receiving the subscription information update request from the home subscriber server for AAA, and by the charging plan
Slightly it is sent to the TWAN.
23. device according to claim 22, which is characterized in that the second acquisition unit includes:
Second receiving unit, for receiving the modification carrying order from the TWAN, wherein taken in the modification carrying order
With the modified charging policy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210330267.8A CN103686655B (en) | 2012-09-07 | 2012-09-07 | Billing control method and device |
| PCT/CN2013/081293 WO2014036878A1 (en) | 2012-09-07 | 2013-08-12 | Charging control method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210330267.8A CN103686655B (en) | 2012-09-07 | 2012-09-07 | Billing control method and device |
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| US9479443B2 (en) * | 2014-05-16 | 2016-10-25 | Cisco Technology, Inc. | System and method for transporting information to services in a network environment |
| CN104270734B (en) | 2014-09-05 | 2018-05-29 | 华为技术有限公司 | A kind of across PLMN roaming data traffic online charging method and equipment |
| CN104469727B (en) * | 2014-09-10 | 2016-05-11 | 北京佰才邦技术有限公司 | The processing method of communication service information and device |
| CN107911566A (en) * | 2017-12-25 | 2018-04-13 | 中兴通讯股份有限公司 | Charge on traffic control method, device and system, computer-readable recording medium |
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| CN1798040A (en) * | 2004-12-22 | 2006-07-05 | 华为技术有限公司 | Charging method in communication system |
| CN101730142A (en) * | 2009-06-30 | 2010-06-09 | 中兴通讯股份有限公司 | Establishment method of multi-packet data network connection and device |
| CN102244580A (en) * | 2010-05-11 | 2011-11-16 | 华为技术有限公司 | Online charging method, communication device and communication system |
| EP2753031A1 (en) * | 2007-06-15 | 2014-07-09 | Huawei Technologies Co., Ltd. | Method, system and entity for exercising policy control |
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| CN101374260B (en) * | 2007-08-22 | 2011-11-09 | 华为技术有限公司 | Method, apparatus and system for implementing PCC rules and bearing association |
| CN101459524B (en) * | 2008-03-18 | 2011-08-10 | 中兴通讯股份有限公司 | Method for distributing policy charging control rule |
| CN101459952B (en) * | 2008-03-27 | 2011-09-21 | 中兴通讯股份有限公司 | Packet data system and method for obtaining wireless access technique type by P-GW |
| US8812349B2 (en) * | 2010-07-27 | 2014-08-19 | Cellco Partnership | Charging for data offloading |
| CN102480772A (en) * | 2010-11-24 | 2012-05-30 | 中兴通讯股份有限公司 | Gateway selecting method and gateway selector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1798040A (en) * | 2004-12-22 | 2006-07-05 | 华为技术有限公司 | Charging method in communication system |
| EP2753031A1 (en) * | 2007-06-15 | 2014-07-09 | Huawei Technologies Co., Ltd. | Method, system and entity for exercising policy control |
| CN101730142A (en) * | 2009-06-30 | 2010-06-09 | 中兴通讯股份有限公司 | Establishment method of multi-packet data network connection and device |
| CN102244580A (en) * | 2010-05-11 | 2011-11-16 | 华为技术有限公司 | Online charging method, communication device and communication system |
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