CN103517246B - Charging realizing method, system and network element - Google Patents
Charging realizing method, system and network element Download PDFInfo
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- CN103517246B CN103517246B CN201210222138.7A CN201210222138A CN103517246B CN 103517246 B CN103517246 B CN 103517246B CN 201210222138 A CN201210222138 A CN 201210222138A CN 103517246 B CN103517246 B CN 103517246B
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- data acquisition
- network element
- billing data
- charging
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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
- H04M15/41—Billing record details, i.e. parameters, identifiers, structure of call data record [CDR]
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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
- H04M15/43—Billing software details
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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
- H04M15/70—Administration or customization aspects; Counter-checking correct charges
- H04M15/73—Validating charges
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides a kind of charging realizing method, system and charge systems, when terminal is from source billing data acquisition network element mobile handoff to target billing data acquisition network element, this method comprises: after the source billing data acquisition network element stops acquisition metering data, charging ending request or chargeable session ending message are sent to charge system, to request to terminate charging；After charge system receives charging ending request or chargeable session ending message, sending charging to source billing data acquisition network element terminates response message, to respond end charging；Target billing data acquisition network element starts after acquiring metering data, sends accounting start request or credit line request message to charge system；Charge system carries out charging processing after receiving accounting start request or credit line request message.The method of the present invention and system provide charging implementation when charging data acquisition network member switching in a kind of conversation procedure.
Description
Technical field
The present invention relates to mobile communication field more particularly to a kind of charging realizing methods, system and network element (including charging system
System and billing data acquisition network element).
Background technique
Third generation partner program (3rd Generation Partnership Project, referred to as 3GPP) evolution
Grouping system (Evolved Packet System, referred to as EPS) wirelessly connect by the Universal Mobile Communication System land of evolution
Network (Evolved Universal Terrestrial Radio Access Network, referred to as E-UTRAN), mobility
Management entity (Mobility Management Entity, referred to as MME), gateway (Serving Gateway, S-
GW), grouped data network gateway (Packet Data Network Gateway, referred to as P-GW PDN GW), ownership are used
Family server (Home Subscriber Server, referred to as HSS), 3GPP authentication and authorization charging (Authentication,
Authorization and Accounting, referred to as AAA) server, "Policy and Charging Rules Function (Policy and
Charging Rules Function, referred to as PCRF) entity and other support nodes composition.
Fig. 1 is the schematic diagram of the EPS system framework of the prior art, as shown in Figure 1, MME is responsible for mobile management and non-connects
Enter the related work of the control planes such as the processing of layer signaling；S-GW is the accessing gateway equipment being connected with E-UTRAN, in E-UTRAN
Data are forwarded between P-GW, and are responsible for caching the pending datas such as paging；P-GW is then EPS and packet data network
The borde gateway of (Packet Data Network, referred to as PDN) network is responsible for the access of PDN and is forwarded between EPS and PDN
The functions such as data.In 3 gpp, it can be found by access point name (Access Point Name, referred to as APN) corresponding
PDN network.A connection of terminal (User Equipment, UE) to PDN network is usually known as an IP connection and accesses net
(IP Connectivity Access Network, referred to as IP-CAN) session.
The key property of mobile network is the continuity that business is kept during UE is persistently moved.In EPS system
In system, continuity is guaranteed by the mobile management function to ps domain that system switches, and main includes switching (Handover) and tracking area
Update (Tracking Area Update) etc..Mobile management is serviced to guarantee the continuity of terminal traffic, is protected
It is always reachable in the external world when card terminal moves in a network, do not allow the Correspondent Node of terminal and terminal at IP layers
The position that terminal is perceived on face is changed.Briefly be allow terminal with keeping effective IP in the process of moving
Location does not change.During mobile management, terminal may change the S-GW currently connected, and the following contents is to this
Kind scene is described.
As shown in Figure 2 a, the S-GW that terminal currently connects is changed, and source eNodeB (base station) and target eNodeB connect
It connects on different S-GW, when terminal is moved to the coverage of target S-GW from the coverage of source S-GW, it will triggering
Network (or terminal itself) is the S-GW that terminal executes that change currently connects, in (left figure) before changing, the uplink and downlink data of terminal
Transmission path is terminal<->source S-GW<->P-GW<->PDN network；After change (right figure), the uplink and downlink data of terminal are transmitted
Path is terminal<->target S-GW<->P-GW<->PDN network.As it can be seen that S-GW before changing after, the uplink and downlink data of terminal begin
The same P-GW will be passed through eventually, P-GW remains constant, therefore in the prior art, which is referred to as the anchor point of terminal
(Anchor Point)。
In the prior art, there is a kind of technology of identity and position separation, need in the technology for one body of terminal distribution
Part mark and a station location marker.The effect of the identity of terminal is to demarcate the identity of a terminal, is to immobilize
, no matter how terminal moves and no matter which P-GW present terminal is attached in a network, and identity is protected always
It holds constant, and is unique in domain；The station location marker of terminal be then used to indicate terminal currently in a network topology location (
Characterize routing iinformation), the P-GW where terminal can be navigated to according to the station location marker in other words.
When the user is mobile, the identity of user is constant, since the position of user is changed, it will triggering network
(or terminal itself) is the P-GW that terminal executes that change currently connects, as shown in Figure 2 b.Above and below (left figure) before changing, terminal
Row data transfer path is terminal<->source S-GW<->source P-GW<->PDN network；After change (right figure), the uplink and downlink of terminal
Data transfer path is terminal<->target S-GW<->target P-GW<->PDN network.As it can be seen that P-GW before changing after, data road
By anchor point also changed.
And current billing scheme is the meter constant, i.e., all based on anchor point (realizing the network element of billing data acquisition)
Charge information is collected in P-GW.The case where changing for this P-GW, existing billing scheme can not solve this ask
How topic realizes that charging becomes problem to be solved of the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of charging realizing method, system and network element, by solve it is existing in terms of
The problem of expense data acquisition network member switching bring cannot achieve charging.
To solve aforementioned technical problem, the present invention provides a kind of charging realizing method, terminal is from source billing data acquisition
When network element mobile handoff is to target billing data acquisition network element, this method comprises:
After the source billing data acquisition network element stops acquisition metering data, to charge system send charging ending request or
Chargeable session ending message, to request to terminate charging；
After the charge system receives the charging ending request or chargeable session ending message, the source Xiang Suoshu metering data
Acquisition network element, which sends charging, terminates response message, to respond end charging；
Target billing data acquisition network element starts after acquiring metering data, and Xiang Suoshu charge system sends accounting start request
Or credit line request message；
The charge system carries out charging processing after receiving the accounting start request or credit line request message.
To solve aforementioned technical problem, the present invention also provides a kind of billing implementation system, which includes:
The billing data acquisition module of billing data acquisition network element, for acquiring metering data；
The interactive module of the billing data acquisition network element, when the billing data acquisition network element is as terminal mobile handoff
Source billing data acquisition network element, and after the billing data acquisition module stops acquisition metering data, for charge system
Charging ending request or chargeable session ending message are sent, to request to terminate charging, and receives what the charge system was sent
Charging terminates response message；The billing data acquisition network element is as target billing data acquisition network element, and the metering data
Acquisition module starts after acquiring metering data, for disappearing to charge system transmission accounting start request or credit line request
Breath；
The charging interactive module of the charge system disappears for receiving the charging ending request or chargeable session termination
Breath, and terminate response message to source billing data acquisition network element transmission charging, to respond end charging；It is also used to receive
Accounting start request or credit line request message；
The charging processing module of the charge system, for disappearing in the reception accounting start request or credit line request
Charging processing is carried out after breath.
To solve aforementioned technical problem, the present invention also provides another charging realizing method, terminal is from source metering data
When acquiring network element mobile handoff to target billing data acquisition network element, charge system executes following steps:
The charging ending request or chargeable session ending message that reception source billing data acquisition network element is sent；
Receive accounting start request or credit line request message that the target billing data acquisition network element is sent；Wherein
It is taken in the charging ending request or chargeable session ending message and/or the accounting start request or credit line request message
Band is for being associated with the charge associated information of switching front and back session；
According to the charge associated information by the corresponding session of the source billing data acquisition network element and the target charging
Charging processing is carried out after the corresponding session association of data acquisition network member.
To solve aforementioned technical problem, the present invention also provides a kind of charge system, terminal is from source billing data acquisition net
When first mobile handoff to target billing data acquisition network element, which includes:
Charging interactive module, for receive be before terminal mobile handoff the terminal service source billing data acquisition network element
The charging ending request or chargeable session ending message of transmission；Being also used to receive after the terminal mobile handoff is the terminal clothes
The accounting start request or credit line request message that the target billing data acquisition network element of business is sent, the charging ending request
Or before carrying in chargeable session ending message and/or the accounting start request or credit line request message for being associated with switching
The charge associated information of session afterwards；
Charging processing module, for carrying out charging processing, wherein receive the charging of the target billing data acquisition network element
It is according to the charge associated information that the source billing data acquisition network element is corresponding after starting request or credit line request message
Session and the corresponding session association of the target billing data acquisition network element after carry out charging processing.
To solve aforementioned technical problem, the present invention also provides a kind of billing data acquisition network element for realizing preceding method,
The billing data acquisition network element includes:
Billing data acquisition module, for acquiring metering data；
Interactive module, the source billing data acquisition network element when billing data acquisition network element is as terminal mobile handoff,
And after the billing data acquisition module stops acquisition metering data, for sending charging ending request or charging to charge system
Session termination message, to request to terminate charging, and the charging that the reception charge system is sent terminates response message；The meter
Take data acquisition network member as target billing data acquisition network element, and the billing data acquisition module starts to acquire metering data
Afterwards, for sending accounting start request or credit line request message to the charge system.
Compared to the prior art, charging realizing method of the present invention, system and charge system provide a kind of for charging number
Billing scheme when switching according to acquisition network element, can not normal billing when solving the problems, such as to switch in the prior art.
Detailed description of the invention
Fig. 1 is the architecture diagram of EPS in the prior art；
Fig. 2 a is the routing schematic diagram of message in the prior art；
Fig. 2 b is the schematic diagram of the message routing of mobile packet data network in the prior art；
Fig. 3 is the flow chart of charging realizing method of the present invention；
Fig. 4 is the another flow chart of charging realizing method of the present invention；
Fig. 5 a to Fig. 5 c is the flow chart of charging realizing method embodiment one of the present invention；
Fig. 6 is the flow chart of charging realizing method embodiment two of the present invention；
Fig. 7 a to Fig. 7 c is the flow chart of charging realizing method embodiment three of the present invention；
Fig. 8 is the flow chart of charging realizing method example IV of the present invention；
Fig. 9 is the modular structure schematic diagram of billing implementation system of the present invention；
Figure 10 is the modular structure schematic diagram of charge system of the present invention.
Specific embodiment
Charging realizing method provided by the invention lays particular emphasis on what the billing data acquisition network element for terminal service switched
Scene, i.e. terminal are from source billing data acquisition network element mobile handoff to target billing data acquisition network element scene, described in the present invention
Billing data acquisition network element refer to realize billing data acquisition network element, it will be appreciated that ground, in specific network environment, metering data
Acquisition network element corresponds to different physical entities, such as in the existing mobile packet data network using identity and position isolation technics
In, billing data acquisition network element is P-GW, and in 3G network, billing data acquisition network element is then GGSN (Gateway GPRS
Support Node, Gateway GPRS Support Node), but for specific network environment and realize billing data acquisition network element,
The present invention does not limit.
The embodiment of the present invention is described in detail below in conjunction with attached drawing.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.
As shown in figure 3, charging realizing method of the present invention includes:
Step 1001: after source billing data acquisition network element stops acquisition metering data, sending charging to charge system terminates
Request or chargeable session ending message, to request to terminate charging；
Source billing data acquisition network element stops acquisition metering data to recognize that target billing data acquisition network element has been intervened
Premised on handoff procedure, it will be appreciated that ground, the event for triggering the source billing data acquisition network element stopping acquisition metering data include:
The network element of source billing data acquisition described in handoff procedure receives what the target billing data acquisition network element was sent
Message；
Specifically message name or type and process design are closely bound up, for example can be target billing data acquisition network element
The response message (referring to embodiment 1 is answered) or context request message of the context information request of transmission (referring to embodiment 2).
Step 1002: after the charge system receives the charging ending request or chargeable session ending message, Xiang Suoshu
Source billing data acquisition network element, which sends charging, terminates response message, to respond end charging；
Step 1003: target billing data acquisition network element starts after acquiring metering data, and Xiang Suoshu charge system sends meter
Expense starts request or credit line request message；
Existing charge system is very sensitive to repetition charging, and in the present invention, target billing data acquisition network element starts to acquire
Metering data occurs to have sent after charging terminates response message to source billing data acquisition network element in charge system, in this way may be used
To ensure that charge system will not carry out repetition charging to the session of switching front and back.
The event that triggering target billing data acquisition network element starts to acquire metering data occurs to have sent out in charge system
After sending charging to terminate response message to source billing data acquisition network element, including it is following at least one:
(1) notice that the target billing data acquisition network element receives that the source billing data acquisition network element is sent disappears
Breath, to notify the target billing data acquisition network element tunnel is established to complete；
(2) context that the target billing data acquisition network element receives that the source billing data acquisition network element is sent is asked
Seek response message；
(3) the target billing data acquisition network element receives uplink data messages or the source billing data acquisition network element turns
The downlink data message of hair；
(4) timer expiry of default.
Understandably, the setting of timer is also that " target billing data acquisition network element starts to acquire metering data hair satisfaction
It is raw to have been sent after charging terminates response message to source billing data acquisition network element in charge system " warp of this premise setting
Value is tested, which can send context information request to source billing data acquisition network element in target billing data acquisition network element
Response message when start (being specifically shown in subsequent embodiment).
Step 1004: the charge system carries out charging after receiving the accounting start request or credit line request message
Processing.
Charge system described in the present invention includes online charging system and off-line accounting system, for billing data acquisition net
The scene of member switching.Charge system has following two processing mode:
Mode one: switching is not perceived
This processing mode is minimum to the change of existing charge system, and the charge system adopts the target metering data
Collect the corresponding session of network element as new session and carries out charging processing.
Mode two: perception switching
The successional requirement of charging is proposed for certain call charge service users, for this requirement, in the present invention, institute source
Billing data acquisition network element carries charge associated into the charging ending request or chargeable session ending message that charge system is sent
Information；The charge system is according to the charge associated information by the corresponding session of source billing data acquisition network element and the target
Charging processing is carried out after the corresponding session association of billing data acquisition network element.
The present invention also provides a kind of charging realizing methods for charge system, are equally applicable to terminal from source charging number
According to the scene of acquisition network element mobile handoff to target billing data acquisition network element, as shown in figure 4, charge system executes following step
It is rapid:
Step 1101: receiving charging ending request or chargeable session ending message that billing data acquisition network element in source is sent；
Step 1102: receiving the accounting start request or credit line request that the target billing data acquisition network element is sent
Message；Wherein the charging ending request or chargeable session ending message and/or the accounting start request or credit line are asked
Seek the charge associated information carried in message for being associated with switching front and back session；
Step 1103: according to the charge associated information by the corresponding session of the source billing data acquisition network element and described
Charging processing is carried out after the corresponding session association of target billing data acquisition network element.
Preferably, charge associated information is the information that may make charge system to realize switching front and back session association, according to tool
The manifestation mode of the charge associated information of body is different, and can only carry terminates to ask in the charging that source billing data acquisition network element is sent
It asks or chargeable session ending message, is also carried in accounting start request or letter that the target billing data acquisition network element is sent
It is asked with amount request message or charging ending request or chargeable session ending message and the accounting start request or credit line
It asks in message and all carries, the charge associated information are as follows:
It is directed toward the mark of the terminal,
Switching mark, for identifying source billing data acquisition network element the cutting to the target billing data acquisition network element
It changes；Or,
The information of direction source billing data acquisition network element and the information for being directed toward target billing data acquisition network element, specific manifestation
For a pair of of mapping relations, charge system can realize the session association of switching front and back according to the mapping relations.
Below by taking packet data network as an example, charging realizing method of the present invention will be described in detail in conjunction with attached drawing, be needed
It is noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can be combined with each other.
Embodiment one:
Fig. 5 a show first embodiment, realizes for the offline charging in handoff scenario, realizes the meter switched across P-GW
Charging method.It should be noted that the S-GW adhered to after switching is referred to as " target S-GW (Target S-GW) ".It changes in the handover
The P-GW of terminal attachment, claiming the P-GW of switching front and back is respectively " source P-GW " and " target P-GW ".Before executing S1 switching,
The transmission path of the uplink and downlink data of terminal is: terminal<->source S-GW<->source P-GW.Specific step is as follows for the present embodiment:
Step 301:UE switches, which changes the P-GW of terminal attachment, and step follows existing EPS system switching
The step of；
Step 302: target S-GW sends modification carrying (Modify Bearer Request) request message to source P-GW；
The purpose of the message is the contextual information about the terminal stored on the P-GW of update source, needs to carry target S-
GW be the downlink data channel address information used on target S-GW of terminal distribution, the control plane address information of S-GW,
And the address information of target P-GW.
Step 303: source P-GW sends request message (e.g., contextual information push request), carried terminal to target P-GW
Contextual information, trigger target P-GW on target P-GW for terminal create context；At this point, source P-GW can be by charging phase
The information of pass passes to target P-GW, such as: the address information of charging gateway (OFCS).
Target P-GW is locally being that terminal creates context, the carrying information for the terminal that will acquire, charging gateway at this time
Address the information preservations such as mark, charging identifier into the context of terminal.Target P-GW also needs locally be that terminal configures
Corresponding information.Target P-GW is the new station location marker of terminal distribution, and identity-station location marker mapping relations are stored in
It is local.
Step 304: target P-GW is terminal distribution upstream data channel address, and returns to response message (e.g., to source P-GW
Contextual information pushes response), source P-GW will be sent to for the upstream data channel address information of terminal distribution；
At this point, all uplink and downlink data are all forwarded by source P-GW, without target P-GW, therefore, is realized and counted by source P-GW
Charge information is collected and is interacted with off-line accounting system.
Step 305: source P-GW stops acquisition metering data after receiving response message, i.e., counts to uplink and downlink billing data,
Charging termination (STOP) is initiated to OFCS, the charge associated information of the session for being associated with switching front and back can be carried in message,
For example it is directed toward the mark or switching mark of the terminal, inform that charge system switches at this time.
If charge system perception switching, saves charge information, waiting is successfully received the carrying institute from target P-GW
The account start message of charge associated information is stated, the two chargeable sessions will be associated by charge system according to switching mark.
After step 306:OFCS receives the accounting stop message from source P-GW, corresponding finalization process is carried out, and return
Response.
Step 307: after source P-GW completes charging termination, returning to bearing modification response to purpose S-GW.Wherein carry mesh
Mark the upstream data channel address information that P-GW is terminal distribution；Follow-up process is executed according to existing EPS switching flow.
Step 308: source P-GW sends to target P-GW and notifies, informs that tunnel is established and completes, target S-GW and target P-GW
Between tunnel establish complete, triggering target P-GW start acquire charge information.
Step 309: after the notified message of purpose P-GW, initiating charging to off-line accounting system (OFCS) and start
(START)；
If in step 305, source P-GW informs that off-line accounting system switches, off-line accounting system is received from mesh
The account start message for marking P-GW, which is associated.
After step 310:OFCS receives message, corresponding beginning charging processing, and returning response are carried out.
At this point, all uplink and downlink data all pass through target P-GW, therefore, charging realizes that charge information is received by target P-GW
Collect and is interacted with off-line accounting system.
Step 311: after target P-GW is the new station location marker of terminal distribution, which also needs to be notified
To the Correspondent Node of terminal, and notify mapped plan, which can be executed by target P-GW, can also be held by source P-GW
Row；If being executed by target P-GW, any time after new station location marker is generated at it, can carry out the operation；If
It is executed by source P-GW, then in source, P-GW gets any time after the newly-generated station location marker, can carry out the behaviour
Make.
In above scheme, step 308 is optional, i.e., 309 triggering can not depend on the notification message of 308 steps, and there are also following
Two kinds of alternatives:
1, when target P-GW is receiving the uplink data messages from target S-GW or the downlink message from source P-GW
When, account start message is initiated to off-line accounting system (OFCS), as shown in Figure 5 b.
2, when step 304 target P-GW is to source P-GW returning response message, start timer, guarantee the opisthogenesis of 304 steps
After P-GW initiates charging termination, timer expiry, triggering target P-GW initiates charging and starts, as shown in Figure 5 c.
Wherein it is optional to complete message for the notice in Fig. 5 b and 5c.
Embodiment two:
Fig. 6 show second embodiment, realizes for the offline charging in handoff scenario, realizes the charging switched across P-GW
Method.It should be noted that the S-GW adhered to after switching is referred to as " target S-GW (Target S-GW) ".It has changed in the handover
The P-GW of terminal attachment, claiming the P-GW of switching front and back is respectively " source P-GW " and " target P-GW ".Before executing S1 switching, eventually
The transmission path of the uplink and downlink data at end is: terminal<->source S-GW<->source P-GW.Compared with embodiment one, difference is essentially consisted in
Target S-GW first initiates creation session to target P-GW, from target P-GW to source P-GW request contexts.The present embodiment it is specific
Steps are as follows:
Step 401:UE switches, which changes the P-GW of terminal attachment, and step follows existing EPS system switching
The step of；
Step 402: the request message that target S-GW sends creation context to target P-GW (e.g., sends creation session to ask
Seek message), the mark (IMSI of such as terminal) of carried terminal is that terminal creates context to trigger target P-GW
(Context)；Target S-GW needs the address information by source P-GW to be sent to target P-GW, so that target P-GW can find source
P-GW。
Step 403: target P-GW is the new station location marker of terminal distribution；Target P-GW sends request message to source P-GW,
To the contextual information of the source requesting terminal P-GW, the mark of carried terminal in request message；
At this point, all uplink and downlink data are all forwarded by source P-GW, without target P-GW, therefore, is realized and counted by source P-GW
Charge information is collected and is interacted with off-line accounting system.
Step 404: source P-GW stops counting uplink and downlink billing data after receiving context request message, sends out to OFCS
Charging termination (STOP) is played, the charge associated information of the session for being associated with switching front and back can be carried in message, for example is directed toward
The mark or switching mark of the terminal, inform that charge system switches at this time.
If charge system perception switching, saves charge information, waiting is successfully received the carrying institute from target P-GW
The account start message of charge associated information is stated, the two chargeable sessions will be associated by charge system according to switching mark.
After step 405:OFCS receives the accounting stop message from source P-GW, corresponding finalization process is carried out, and return
Response.
Step 406: after source P-GW receives the request message of target P-GW transmission, returning to context response to target P-GW and disappear
Breath；The relevant information of charging can be passed to target P-GW by source P-GW, such as: the address information of charging gateway (OFCS).
Step 407: being locally that terminal creates context, the terminal that will acquire after target P-GW receives response message
Carrying information, charging gateway address the information preservations such as mark, charging identifier into the context of terminal, and to target S-
GW returning response.Follow-up process is executed according to existing EPS switching flow.
Step 408: after purpose P-GW receives context response information, starting to acquire metering data, and to offline charging system
System (OFCS) initiates charging and starts (START)；
If in step 404, source P-GW informs that off-line accounting system switches, off-line accounting system is received from mesh
The account start message for marking P-GW, which is associated.
Step 409: after off-line accounting system (OFCS) receives message, carrying out corresponding beginning charging processing, and return to sound
It answers.
At this point, all uplink and downlink data all pass through target P-GW, therefore, charging realizes that charge information is received by target P-GW
Collect and is interacted with off-line accounting system.
Step 410: after target P-GW is the new station location marker of terminal distribution, which also needs to be notified
To the Correspondent Node of terminal, and notify mapped plan, which can be executed by target P-GW, can also be held by source P-GW
Row；If being executed by target P-GW, any time after new location mark is generated at it, can carry out the operation；If
It is executed by source P-GW, then in source, P-GW gets any time after the newly-generated station location marker, can carry out the behaviour
Make.
Embodiment three:
Fig. 7 a show 3rd embodiment, realizes for the online charging in handoff scenario, realizes the meter switched across P-GW
Charging method.It should be noted that the S-GW adhered to after switching is referred to as " target S-GW (Target S-GW) ".It changes in the handover
The P-GW of terminal attachment, claiming the P-GW of switching front and back is respectively " source P-GW " and " target P-GW ".Before executing S1 switching,
The transmission path of the uplink and downlink data of terminal is: terminal<->source S-GW<->source P-GW.Specific step is as follows for the present embodiment:
Step 501-504 is consistent with a kind of step 301-304 of embodiment.
Step 505: source P-GW stops counting uplink and downlink billing data after receiving response message, to online charging system
OCS is initiated chargeable session end, and switching mark can be carried in message, informs that charge system switches at this time.
If carrying switching mark, online charging system perception switching is needed, saves charge information, waiting, which is successfully received, to be come
From after the account start message of target P-GW, the two chargeable sessions are associated.
Step 506: after online charging system OCS receives the charging ending message from source P-GW, being terminated accordingly
Amount, and returning response are returned in processing.
If in step 505, source P-GW informs that online charging system switches, online charging system is received from mesh
The account start message for marking P-GW, which is associated.
Step 507-508 is consistent with step 307-308 in embodiment one.
Step 509: after the notified message of purpose P-GW, initiating chargeable session, letter of application to online charging system (OCS)
Use amount；
After step 510:OCS receives message, authorization, and returning response are requested for the amount of application.
If in step 505, source P-GW informs that online charging system switches, online charging system is received from mesh
The account start message for marking P-GW, which is associated.
At this point, all uplink and downlink data all pass through target P-GW, therefore, charging realizes that charge information is received by target P-GW
Collect and is interacted with off-line accounting system.
Step 311 is identical in step 511 and embodiment one.
In above scheme, step 508 is optional, i.e., 509 triggering can not depend on the notification message of 508 steps, and there are also following
Two kinds of alternatives:
1, when target P-GW is receiving the uplink data messages from target S-GW or the downlink message from source P-GW
When, credit line application is initiated to online charging system (OCS), as shown in Figure 7b.
2, when step 304 target P-GW is to source P-GW returning response message, start timer, guarantee the opisthogenesis of 504 steps
After P-GW initiates charging termination, timer expiry, triggering target P-GW initiates credit line application, as shown in Figure 7 c.
Embodiment six:
Fig. 8 show fourth embodiment, in the online charging realization in handoff scenario, realizes the meter switched across P-GW
Charging method.It should be noted that the S-GW adhered to after switching is referred to as " target S-GW (Target S-GW) ".It changes in the handover
The P-GW of terminal attachment, claiming the P-GW of switching front and back is respectively " source P-GW " and " target P-GW ".Before executing S1 switching,
The transmission path of the uplink and downlink data of terminal is: terminal<->source S-GW<->source P-GW.Comparison, embodiment one, difference mainly exist
Creation session first is initiated to target P-GW in target S-GW, from target P-GW to source P-GW request contexts.The tool of the present embodiment
Steps are as follows for body:
Step 601-603 is consistent with a kind of step 401-403 of embodiment.
Step 604: source P-GW stops counting uplink and downlink billing data after receiving context request message, initiates to OCS
Charging terminates, and switching mark can be carried in message, informs that charge system switches at this time.
If in step 604, source P-GW informs that online charging system switches, online charging system is received from mesh
The account start message for marking P-GW, which is associated.
Step 605: after online charging system OCS receives the charging ending message from source P-GW, being terminated accordingly
Amount, and returning response are returned in processing.
Step 606-607 is consistent with step 406-407 in embodiment one.
Step 608: after purpose P-GW receives context response information, chargeable session is initiated to online charging system (OCS),
Apply for credit line；
After step 609:OCS receives message, authorization, and returning response are requested for the amount of application.
If in step 604, source P-GW informs that online charging system switches, online charging system is received from mesh
The account start message for marking P-GW, which is associated.
At this point, all uplink and downlink data all pass through target P-GW, therefore, charging realizes that charge information is received by target P-GW
Collect and is interacted with off-line accounting system.
Step 410 is identical in step 610 and embodiment one.
The above method is also suitable in 3G network, in which:
SGSN corresponds to the S-GW in LTE network；GGSN corresponds to the P-GW in LTE network.
The update PDP Context request that target SGSN is sent to source GGSN, corresponding target S-GW are held to what source P-GW was initiated
Load modification request (see: embodiment one and three)；
The PDP Context response that source GGSN is returned to target SGSN, corresponding source GGSN are repaired to the carrying that target SGSN is returned
Change response (see embodiment one and three).
The creation session request that target SGSN is sent to target GGSN, the creation that corresponding target SGSN is sent to target GGSN
PDP Context request (see: embodiment two and four)；
The creation conversational response that target GGSN is sent to target SGSN, the creation that corresponding target GGSN is sent to target SGSN
PDP Context response (see: embodiment two and four).
In order to realize preceding method embodiment, the present invention provides a kind of billing implementation systems, as shown in figure 9, the system
Include:
The billing data acquisition module of billing data acquisition network element, for acquiring metering data；
The interactive module of the billing data acquisition network element, for realizing information exchange, comprising: the billing data acquisition
Source billing data acquisition network element when network element is as terminal mobile handoff, and the billing data acquisition module stops acquisition charging
After data, for sending charging ending request or chargeable session ending message to charge system, to request to terminate charging, Yi Jijie
Receiving the charging that the charge system is sent terminates response message；The billing data acquisition network element is as target billing data acquisition
Network element, and the billing data acquisition module starts after acquiring metering data, starts for sending charging to the charge system
Request or credit line request message；
The charging interactive module of the charge system disappears for receiving the charging ending request or chargeable session termination
Breath, and terminate response message to source billing data acquisition network element transmission charging, to respond end charging；It is also used to receive
Accounting start request or credit line request message；
The charging processing module of the charge system, for disappearing in the reception accounting start request or credit line request
Charging processing is carried out after breath.
Specifically, triggering the event that the billing data acquisition module stopping acquires metering data includes:
The interactive module of the network element of source billing data acquisition described in handoff procedure receives the target billing data acquisition
The message that the interactive module of network element is sent.
Preferably, the interactive module of the source billing data acquisition network element receives the target billing data acquisition network element
Interactive module send message be context information request response message or context request message.
As described above, trigger the billing data acquisition module start acquire metering data event include it is following at least
One:
The interactive module of the target billing data acquisition network element receives the interaction of the source billing data acquisition network element
The notification message that module is sent, to notify the target billing data acquisition network element tunnel is established to complete；
Or, the interactive module of the target billing data acquisition network element receives the friendship of the source billing data acquisition network element
The context request response message that mutual module is sent；
Or, the interactive module of the target billing data acquisition network element receives uplink data messages or the source metering data
Acquire the downlink data message of the interactive module forwarding of network element；
Or, the timer expiry of default.
Optionally, the charging processing module of the charge system is by the corresponding session of the target billing data acquisition network element
Charging processing is carried out as new session.
In order to realize the continuity of session charging, the interactive module of institute's source billing data acquisition network element is to the charge system
In the charging ending request or chargeable session ending message of transmission and/or the accounting start request or credit line request message
Carry charge associated information；
The charging processing module of the charge system, according to the charge associated information by source billing data acquisition network element pair
Charging processing is carried out after the session answered and the corresponding session association of the target billing data acquisition network element.
Particularly, the present invention also provides a kind of charge system, terminal from source billing data acquisition network element mobile handoff to
When target billing data acquisition network element, as shown in Figure 10, which includes:
Charging interactive module, for receive be before terminal mobile handoff the terminal service source billing data acquisition network element
The charging ending request or chargeable session ending message of transmission；Being also used to receive after the terminal mobile handoff is the terminal clothes
The accounting start request or credit line request message of the target billing data acquisition network element of business；The charging ending request or meter
Take and is carried in session termination message and/or the accounting start request or credit line request message for being associated with switching front and back meeting
The charge associated information of words；
Charging processing module, for carrying out charging processing, wherein receive the charging of the target billing data acquisition network element
It is according to the charge associated information that the source billing data acquisition network element is corresponding after starting request or credit line request message
Session and the corresponding session association of the target billing data acquisition network element after carry out charging processing.
Specifically, the charge associated information are as follows:
It is directed toward the mark of the terminal, or,
Switching mark, for identifying source billing data acquisition network element the cutting to the target billing data acquisition network element
It changes；Or,
The information of direction source billing data acquisition network element and the information for being directed toward target billing data acquisition network element.
In addition, the billing data acquisition network element that the present invention also provides a kind of to realize charging realizing method of the present invention,
As shown in figure 9, the billing data acquisition network element includes:
Billing data acquisition module, for acquiring metering data；
Interactive module, the source billing data acquisition network element when billing data acquisition network element is as terminal mobile handoff,
And after the billing data acquisition module stops acquisition metering data, for sending charging ending request or charging to charge system
Session termination message, to request to terminate charging, and the charging that the reception charge system is sent terminates response message；The meter
Take data acquisition network member as target billing data acquisition network element, and the billing data acquisition module starts to acquire metering data
Afterwards, for sending accounting start request or credit line request message to the charge system.
It is told as preceding, triggers the billing data acquisition module and stop the event of acquisition metering data and include:
The interactive module of the network element of source billing data acquisition described in handoff procedure receives the target billing data acquisition
The message that the interactive module of network element is sent.
Specifically, the interactive module of the source billing data acquisition network element receives the target billing data acquisition network element
Interactive module send message be context information request response message or context request message.
Start to acquire the event of metering data to include following at least one as previously mentioned, triggering the billing data acquisition module
It is a:
The interactive module of the target billing data acquisition network element receives the interaction of the source billing data acquisition network element
The notification message that module is sent, to notify the target billing data acquisition network element tunnel is established to complete；
Or, the interactive module of the target billing data acquisition network element receives the friendship of the source billing data acquisition network element
The context request response message that mutual module is sent；
Or, the interactive module of the target billing data acquisition network element receives uplink data messages or the source metering data
Acquire the downlink data message of the interactive module forwarding of network element；
Or, the timer expiry of default.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be instructed by program
Related hardware is completed, and described program can store in computer readable storage medium, such as read-only memory, disk or CD
Deng.Optionally, one or more integrated circuits can be used also to realize in all or part of the steps of above-described embodiment.Accordingly
Ground, each module/unit in above-described embodiment can take the form of hardware realization, can also use the shape of software function module
Formula is realized.The present invention is not limited to the combinations of the hardware and software of any particular form.
Claims (18)
1. a kind of charging realizing method, which is characterized in that terminal is from source billing data acquisition network element mobile handoff to target charging
When data acquisition network member, this method comprises:
After the source billing data acquisition network element stops acquisition metering data, is sent to charge system and carry charge associated information
Charging ending request or chargeable session ending message, to request to terminate charging；
After the charge system receives the charging ending request or chargeable session ending message, the source Xiang Suoshu billing data acquisition
Network element, which sends charging, terminates response message, to respond end charging；
The charge system is according to the charge associated information by the corresponding session of source billing data acquisition network element and the target
Charging processing is carried out after the corresponding session association of billing data acquisition network element；When the charge system is adopted to the source metering data
Collection network element sends that charging terminates after response message and target billing data acquisition network element starts after acquiring metering data, to the meter
Charge system sends accounting start request or credit line request message；
The charge system carries out charging processing after receiving the accounting start request or credit line request message.
2. the method as described in claim 1, it is characterised in that: trigger the source billing data acquisition network element and stop acquisition charging
The event of data includes:
The network element of source billing data acquisition described in handoff procedure receives the message that the target billing data acquisition network element is sent.
3. method according to claim 2, it is characterised in that: the source billing data acquisition network element receives the target meter
The message that expense data acquisition network member is sent is the response message or context request message of context information request.
4. the method as described in claim 1, it is characterised in that: triggering target billing data acquisition network element starts to acquire charging number
According to event include it is following at least one:
The target billing data acquisition network element receives the notification message that the source billing data acquisition network element is sent, with notice
The target billing data acquisition network element tunnel, which is established, to be completed；
It is rung or, the target billing data acquisition network element receives the context request that the source billing data acquisition network element is sent
Answer message；
Or, what the target billing data acquisition network element reception uplink data messages or the source billing data acquisition network element forwarded
Downlink data message；
Or, the timer expiry of default.
5. the method as described in claim 1, it is characterised in that: the charge system is by the target billing data acquisition network element
Corresponding session carries out charging processing as new session.
6. a kind of billing implementation system, which is characterized in that the system includes:
The billing data acquisition module of billing data acquisition network element, for acquiring metering data；
The interactive module of the billing data acquisition network element, the source when billing data acquisition network element is as terminal mobile handoff
Billing data acquisition network element, and the billing data acquisition module stops after acquiring metering data, for being sent to charge system
The charging ending request or chargeable session ending message of charge associated information are carried, to request to terminate charging, and described in reception
The charging that charge system is sent terminates response message；The billing data acquisition network element as target billing data acquisition network element,
And when the charge system to the source billing data acquisition network element send charging terminate response message after and the metering data
Acquisition module starts after acquiring metering data, for disappearing to charge system transmission accounting start request or credit line request
Breath；
The charging interactive module of the charge system, for receiving the charging ending request or chargeable session ending message, with
And terminate response message to source billing data acquisition network element transmission charging, to respond end charging；It is also used to receive charging
Start request or credit line request message；
The charging processing module of the charge system, for after receiving the accounting start request or credit line request message
Carry out charging processing；For according to the charge associated information by the corresponding session of source billing data acquisition network element and the target
Charging processing is carried out after the corresponding session association of billing data acquisition network element.
7. system as claimed in claim 6, it is characterised in that: trigger the billing data acquisition module and stop acquisition charging number
According to event include:
The interactive module of the network element of source billing data acquisition described in handoff procedure receives the target billing data acquisition network element
Interactive module send message.
8. system as claimed in claim 7, it is characterised in that: the interactive module of the source billing data acquisition network element receives
The message that the interactive module of the target billing data acquisition network element is sent is the response message or upper and lower of context information request
Literary request message.
9. system as claimed in claim 6, it is characterised in that: trigger the billing data acquisition module and start to acquire charging number
According to event include it is following at least one:
The interactive module of the target billing data acquisition network element receives the interactive module of the source billing data acquisition network element
The notification message of transmission, to notify the target billing data acquisition network element tunnel is established to complete；
Or, the interactive module of the target billing data acquisition network element receives the interaction mould of the source billing data acquisition network element
The context request response message that block is sent；
Or, the interactive module of the target billing data acquisition network element receives uplink data messages or the source billing data acquisition
The downlink data message of the interactive module forwarding of network element；
Or, the timer expiry of default.
10. system as claimed in claim 6, it is characterised in that: the charging processing module of the charge system is by the target
The corresponding session of billing data acquisition network element carries out charging processing as new session.
11. a kind of charging realizing method, which is characterized in that terminal is from source billing data acquisition network element mobile handoff to target charging
When data acquisition network member, charge system executes following steps:
The charging ending request or chargeable session ending message that reception source billing data acquisition network element is sent；
Receive accounting start request or credit line request message that the target billing data acquisition network element is sent；It is wherein described
It carries and uses in charging ending request or chargeable session ending message and/or the accounting start request or credit line request message
Switch the charge associated information of front and back session in association；
According to the charge associated information by the corresponding session of the source billing data acquisition network element and the target metering data
Charging processing is carried out after acquiring the corresponding session association of network element；
Wherein, the charging ending request or chargeable session ending message are to stop acquiring in the source billing data acquisition network element
It is sent after metering data；The accounting start request or credit line request message are to count in the charge system to the source
Expense data acquisition network member sends that charging terminates after response message and target billing data acquisition network element starts after acquiring metering data
It sends.
12. method as claimed in claim 11, it is characterised in that: the charge associated information are as follows:
It is directed toward the mark of the terminal, or
Switching mark, for identifying the switching of the source billing data acquisition network element to the target billing data acquisition network element；
Or,
The information of direction source billing data acquisition network element and the information for being directed toward target billing data acquisition network element.
13. a kind of charge system, which is characterized in that terminal is from source billing data acquisition network element mobile handoff to target metering data
When acquiring network element, which includes:
Charging interactive module is that the source billing data acquisition network element of the terminal service is sent before terminal mobile handoff for receiving
Charging ending request or chargeable session ending message；Being also used to receive after the terminal mobile handoff is the terminal service
The accounting start request or credit line request message that target billing data acquisition network element is sent, the charging ending request or meter
Take and is carried in session termination message and/or the accounting start request or credit line request message for being associated with switching front and back meeting
The charge associated information of words；
Charging processing module, for carrying out charging processing, wherein the charging for receiving the target billing data acquisition network element starts
After request or credit line request message, according to the charge associated information by the corresponding meeting of the source billing data acquisition network element
Charging processing is carried out after talking about session association corresponding with the target billing data acquisition network element；
Wherein, the charging ending request or chargeable session ending message are to stop acquiring in the source billing data acquisition network element
It is sent after metering data；The accounting start request or credit line request message are to count in the charge system to the source
Expense data acquisition network member sends that charging terminates after response message and target billing data acquisition network element starts after acquiring metering data
It sends.
14. system as claimed in claim 13, it is characterised in that: the charge associated information are as follows:
It is directed toward the mark of the terminal, or
Switching mark, for identifying the switching of the source billing data acquisition network element to the target billing data acquisition network element；
Or,
The information of direction source billing data acquisition network element and the information for being directed toward target billing data acquisition network element.
15. a kind of billing data acquisition network element, which is characterized in that the billing data acquisition network element includes:
Billing data acquisition module, for acquiring metering data；
Interactive module, the source billing data acquisition network element when billing data acquisition network element is as terminal mobile handoff, and institute
It states billing data acquisition module to stop after acquiring metering data, for sending the charging for carrying charge associated information to charge system
Ending request or chargeable session ending message, to request to terminate charging, and the charging that the reception charge system is sent terminates
Response message；The billing data acquisition network element is as target billing data acquisition network element, and when the charge system is to described
Source billing data acquisition network element sends that charging terminates after response message and the billing data acquisition module starts to acquire charging number
According to rear, for sending accounting start request or credit line request message to the charge system.
16. network element as claimed in claim 15, it is characterised in that: trigger the billing data acquisition module and stop acquisition charging
The event of data includes:
The interactive module of the network element of source billing data acquisition described in handoff procedure receives the target billing data acquisition network element
Interactive module send message.
17. network element as claimed in claim 16, it is characterised in that: the interactive module of the source billing data acquisition network element receives
To the target billing data acquisition network element interactive module send message be context information request response message or on
Hereafter request message.
18. network element as claimed in claim 15, it is characterised in that: trigger the billing data acquisition module and start to acquire charging
The event of data include it is following at least one:
The interactive module of the target billing data acquisition network element receives the interactive module of the source billing data acquisition network element
The notification message of transmission, to notify the target billing data acquisition network element tunnel is established to complete；
Or, the interactive module of the target billing data acquisition network element receives the interaction mould of the source billing data acquisition network element
The context request response message that block is sent；
Or, the interactive module of the target billing data acquisition network element receives uplink data messages or the source billing data acquisition
The downlink data message of the interactive module forwarding of network element；
Or, the timer expiry of default.
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| CN201210222138.7A CN103517246B (en) | 2012-06-29 | 2012-06-29 | Charging realizing method, system and network element |
| PCT/CN2013/077612 WO2013189301A1 (en) | 2012-06-29 | 2013-06-21 | Method, system and network element for implementing billing |
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| CN201210222138.7A CN103517246B (en) | 2012-06-29 | 2012-06-29 | Charging realizing method, system and network element |
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| CN103841541B (en) | 2014-01-24 | 2018-07-13 | 华为技术有限公司 | The switching method and device of charge system |
| CN107205230B (en) * | 2016-03-16 | 2020-08-18 | 中国移动通信集团江苏有限公司 | Method, device and system for recovering online charging state of terminal |
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| CN1863056A (en) * | 2005-10-27 | 2006-11-15 | 华为技术有限公司 | Method and system for implementing user terminal switching in microwave turn-on global inter communication system |
| CN101001296A (en) * | 2006-01-10 | 2007-07-18 | 华为技术有限公司 | Method for processing switch metering in WiMAX network |
| CN101145918A (en) * | 2005-08-23 | 2008-03-19 | 华为技术有限公司 | A billing method and system |
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| CN101448234B (en) * | 2008-01-25 | 2011-09-21 | 中兴通讯股份有限公司 | Implementation method for switching online charging to offline charging |
| CN101789896B (en) * | 2009-01-24 | 2012-10-17 | 华为技术有限公司 | Method for accessing internet by user equipment and system therefor |
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| CN101145918A (en) * | 2005-08-23 | 2008-03-19 | 华为技术有限公司 | A billing method and system |
| CN1863056A (en) * | 2005-10-27 | 2006-11-15 | 华为技术有限公司 | Method and system for implementing user terminal switching in microwave turn-on global inter communication system |
| CN101001296A (en) * | 2006-01-10 | 2007-07-18 | 华为技术有限公司 | Method for processing switch metering in WiMAX network |
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