CN109699000B - Real-time location charging triggering method, system and MME - Google Patents
Real-time location charging triggering method, system and MME Download PDFInfo
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Abstract
The invention discloses a real-time position charging triggering method, a real-time position charging triggering system and an MME, and relates to the field of mobile communication. The method comprises the following steps: the MME responds to the position change of the user terminal to acquire the source position information and the target position information of the user terminal; and determining whether to send a position trigger message to a public data network gateway (PGW) according to the matching relation of the source position information, the target position information and the user terminal signing position information. The invention can solve the problem that a PGW frequently triggers the position charging message to the charging system to cause a large amount of useless charging bills or messages when the mobile position of the user terminal is switched.
Description
Technical Field
The present invention relates to the field of mobile communications, and in particular, to a real-time location charging triggering method, a real-time location charging triggering system, and a Mobility Management Entity (MME).
Background
A user subscribes a location traffic packet of a certain business circle, subscription information of the traffic packet is synchronized to a PCRF (Policy and Charging Rules Function), the PCRF issues a Trigger (Trigger) reporting a location to a PCEF (Policy and Charging Enforcement Function) (e.g., a 4G PGW), and the user only needs to open the location to Trigger Charging, when moving in the whole area, each time passing through one cell, the Charging message is triggered to CG (Charging Gateway) or OCS (Online Charging System), the method is characterized in that the method is really moved in a cell outside a certain business circle, a large amount of triggered charging messages are useless, and the triggering charging messages are only useful when the business circle is cut in or cut out, so that the problem that the development of position type innovative products cannot be developed in a large scale is caused.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a real-time location charging triggering method, system and MME, which can solve the problem of a large amount of useless charging tickets or messages caused by the frequent triggering of a location charging message to a charging system by a PGW when a user terminal moves a location switch.
According to an aspect of the present invention, a method for triggering real-time location charging is provided, including: the method comprises the steps that a mobility management entity MME responds to position change of a user terminal to obtain source position information and target position information of the user terminal; and determining whether to send a position trigger message to a public data network gateway (PGW) according to the matching relation of the source position information, the target position information and the user terminal signing position information.
Further, the method further comprises: MME receives user terminal signing position information sent by a policy and charging rule functional unit PCRF; the PCRF expands an AVP field of the attribute value pair of the location list in a credit control answer CCA message of the Gx interface, wherein the AVP field carries the subscription location information of the user terminal.
Further, the method further comprises: comparing the source position information and the target position information with the user terminal signing position information respectively; and if the source position information and the target position information are not matched with the user terminal signing position information, not sending a position trigger message to the PGW.
Further, the MME compares the source location information with the user terminal signing location information; if the source location information is matched with the user terminal signing location information, sending a location triggering message to the PGW so that the PGW triggers a charging message to a charging system; if the source position information is not matched with the user terminal signing position information, comparing the target position information with the user terminal signing position information; and if the target position information is matched with the user terminal signing position information, sending a position trigger message to the PGW so that the PGW triggers the charging message to a charging system, otherwise, not sending the position trigger message to the PGW.
According to another aspect of the present invention, a mobility management entity MME is further proposed, including: a terminal position information obtaining unit, configured to obtain source position information and target position information of the user terminal in response to a change in a position of the user terminal; the terminal position information comparison unit is used for determining the matching relation between the source position information, the target position information and the user terminal signing position information; and the position triggering unit is used for determining whether to send a position triggering message to the public data network gateway PGW according to the matching relation of the source position information, the target position information and the user terminal signing position information.
Further, the MME further comprises: a contract signing position information receiving unit, which is used for receiving the user terminal contract signing position information sent by the policy and charging rule functional unit PCRF; the PCRF expands an AVP field of the attribute value pair of the location list in a credit control answer CCA message of the Gx interface, wherein the AVP field carries the subscription location information of the user terminal.
Further, the terminal position information comparison unit is used for comparing the source position information and the target position information with the user terminal signing position information respectively; and the position triggering unit is used for not sending the position triggering message to the PGW if the source position information and the target position information are not matched with the user terminal signing position information.
Further, the terminal location information comparing unit is configured to compare the source location information with the user terminal subscription location information, and if the source location information does not match the user terminal subscription location information, compare the target location information with the user terminal subscription location information; the position triggering unit is used for sending a position triggering message to the PGW if the source position information is matched with the user terminal signing position information, so that the PGW can trigger a charging message to a charging system; and if the target position information is matched with the user terminal signing position information, sending a position trigger message to the PGW so that the PGW triggers the charging message to a charging system, otherwise, not sending the position trigger message to the PGW.
According to another aspect of the present invention, a real-time location charging triggering system is further provided, which includes a policy and charging rule function unit PCRF and the mobility management entity MME; the PCRF is used for expanding an AVP field of the attribute value pair of the location list in a credit control answer CCA message of the Gx interface, and the AVP field carries the subscription location information of the user terminal.
According to another aspect of the present invention, a mobility management entity MME is further proposed, including: a memory; and a processor coupled to the memory, the processor configured to perform the method as described above based on instructions stored in the memory.
According to another aspect of the present invention, a computer-readable storage medium is also proposed, on which computer program instructions are stored, which instructions, when executed by a processor, implement the steps of the above-described method.
The MME of the invention receives the position change of the user terminal responding to the user terminal, acquires the source position information and the target position information of the user terminal, determines whether to send the position trigger message to the PGW according to the matching relation of the source position information, the target position information and the user terminal signing position information, and can filter a large amount of useless charging bills or messages generated by switching.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
The invention will be more clearly understood from the following detailed description, taken with reference to the accompanying drawings, in which:
fig. 1 is a flowchart illustrating a real-time location charging triggering method according to an embodiment of the present invention.
Fig. 2 is a flowchart illustrating a real-time location charging triggering method according to another embodiment of the present invention.
Fig. 3 is a flowchart illustrating a real-time location charging triggering method according to still another embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an embodiment of an MME of the present invention.
FIG. 5 is a schematic structural diagram of an MME according to another embodiment of the invention.
Fig. 6 is a schematic structural diagram of an embodiment of a real-time location charging triggering system according to the present invention.
FIG. 7 is a schematic structural diagram of an MME according to still another embodiment of the invention.
Fig. 8 is a schematic structural diagram of an MME according to yet another embodiment of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
Fig. 1 is a flowchart illustrating a real-time location charging triggering method according to an embodiment of the present invention. The method comprises the following steps:
in step 110, the MME acquires source location information and target location information of the user terminal in response to a change in the location of the user terminal.
In step 120, it is determined whether to send a location trigger message to the PGW according to a matching relationship between the source location information, the target location information, and the subscriber terminal subscription location information. When the user terminal signs a Location-related package or product, the PCRF extends a Location-List AVP (Location List attribute value pair) field in a CCA (Credit Control Answer) message of the Gx interface, where the AVP field carries the user terminal signing Location information, and the PCRF transfers the user terminal signing Location information to the MME when issuing an event trigger request to the MME through the Gx interface. The MME compares the source location information and the target location information with the user terminal signing location information respectively, if the source location information and the target location information are not matched with the user terminal signing location information, the MME does not send a location trigger message to the PGW, and if at least one of the source location information and the target location information is matched with the user terminal signing location information, the MME sends a location trigger message to the PGW so that the PGW can trigger a charging message to a charging system.
In the embodiment, the MME acquires source location information and target location information of the user terminal in response to a change in the location of the user terminal, and determines whether to send a location trigger message to the PGW according to a matching relationship between the source location information, the target location information, and the user terminal subscription location information, so that a problem that when the mobile location of the user terminal is switched, the PGW frequently triggers a location charging message to the charging system, resulting in a large number of useless charging tickets or messages can be solved.
Fig. 2 is a flowchart illustrating a real-time location charging triggering method according to another embodiment of the present invention.
In step 210, the MME stores the user terminal subscription location information sent by the PCRF. The PCRF extends a Location-List AVP field in a CCA message of the Gx interface, where the AVP field carries user terminal subscription Location information, and for example, the eNB0 area is a traffic preference area. And the PCRF sends the user terminal subscription location information to the MME when issuing the event trigger request through the Gx interface.
In step 220, in response to the location change of the user terminal, the source location information and the target location information of the user terminal are obtained. For example, if the user terminal is handed over from the eNB1 area to the eNB2 area, the eNB1 area is the source location and the eNB2 area is the target location.
In step 230, the source location information is compared with the subscriber terminal subscription location information, if not, step 240 is executed, and if so, step 260 is executed. For example, if the eNB1 area does not match the eNB0 area, step 240 is performed.
In step 240, the target location information is compared with the subscriber terminal subscription location information, for example, it is determined whether the eNB2 area matches the eNB0 area, if so, step 250 is executed, otherwise, step 260 is executed.
In step 250, a location trigger message is sent to the SGW/PGW so that the PGW triggers a charging message to the CG or OCS.
In step 260, no location trigger message is sent to the SGW/PGW.
In this embodiment, the MME compares the source location information and the target location information with the user terminal subscription location information, does not send the location trigger message to the PGW if both the source location information and the target location information are not matched with the user terminal subscription location information, and sends the location trigger message to the PGW if at least one of the source location information and the target location information is matched with the user terminal subscription location information, so that the PGW triggers the charging message to the CG or the OCS, thereby implementing a flow of triggering the charging message according to the subscription, and filtering a large amount of useless charging messages generated due to the handover.
Fig. 3 is a flowchart illustrating a real-time location charging triggering method according to still another embodiment of the present invention.
In step 310, the UE signs up for Location information and synchronizes to PCRF through CRM (Customer Relationship Management), where in the CCA message of the existing Gx interface, a Location-List AVP field is extended, and the AVP field carries the Location List signed up for the UE, for example, as shown in fig. 4, the name of AVP is Location-List, the code of AVP is 55460, and the AVP type string is separated by a semicolon.
In step 320, the user terminal accesses to the MME through the S1-MME interface, initiating an authentication request.
In step 330, the MME initiates a session request to the SGW/PGW.
In step 340, the PGW requests a policy from the PCRF through the CCR, that is, determines whether the user terminal signs the user terminal subscription location information.
In step 350, the PCRF returns a location information list of the user terminal subscription to the MME through S5/S11 in the CCA, and the MME temporarily stores the user terminal subscription location information.
At step 360, the user location changes.
In step 370, the MME compares the target location information and the source location information with the stored subscriber subscription location information, and if they are not the same, the SGW/PGW is not notified.
At step 380, the user location changes again.
In step 390, the MME compares the destination location information and the source location information with the stored subscriber subscription location information, and if at least one of the items is the same, notifies the SGW/PGW of the Change Notification Request (Change Notification Request) in S11.
At step 3100, the PGW triggers a CG or OCS charging message.
At step 3110, the CG or OCS responds to the PGW.
For example, a campus user A orders a campus 5-element traffic packet, and on a certain day, the user A enters a campus covered cell from a non-campus covered cell, and a network can acquire user state information change in real time, so that traffic is reduced for the user or charging is carried out at a lower tariff, and unnecessary user complaints can be reduced; the campus user B orders the campus 5-element flow package, and on a certain day, the user B enters a non-campus covered cell from the campus covered cell, and the network can acquire the change of user state information in real time, so that the user is charged with standard charges, and the telecommunication loss can be reduced.
Fig. 4 is a schematic structural diagram of an embodiment of an MME of the present invention. The MME includes a terminal location information obtaining unit 410, a terminal location information comparing unit 420, and a location triggering unit 430, where:
the terminal location information obtaining unit 410 is configured to obtain source location information and target location information of the user terminal in response to a change in the location of the user terminal.
The terminal location information comparing unit 420 is configured to determine a matching relationship between the source location information, the target location information, and the user terminal subscription location information. When the user terminal signs a position-related package or product, the PCRF expands a Location-List AVP field in a CCA message of a Gx interface, wherein the AVP field carries user terminal signing position information, and the PCRF transmits the user terminal signing position information to an MME when issuing an event trigger request to the MME through the Gx interface.
The location triggering unit 430 is configured to determine whether to send a location triggering message to the public data network gateway PGW according to a matching relationship between the source location information, the target location information, and the user terminal subscription location information. For example, if both the source location information and the target location information are not matched with the subscriber terminal subscription location information, the location trigger message is not sent to the PGW, and if at least one of the source location information and the target location information is matched with the subscriber terminal subscription location information, the location trigger message is sent to the PGW, so that the PGW triggers the charging message to the charging system.
In the embodiment, the MME acquires source location information and target location information of the user terminal in response to a change in the location of the user terminal, and determines whether to send a location trigger message to the PGW according to a matching relationship between the source location information, the target location information, and the user terminal subscription location information, so that a problem that when the mobile location of the user terminal is switched, the PGW frequently triggers a location charging message to the charging system, resulting in a large number of useless charging tickets or messages can be solved.
FIG. 5 is a schematic structural diagram of an MME according to another embodiment of the invention. The MME includes a subscription location information receiving unit 510, a terminal location information obtaining unit 520, a terminal location information comparing unit 530, and a location triggering unit 540, where:
the subscription location information receiving unit 510 is used for the user terminal subscription location information sent by the PCRF; the PCRF expands an AVP field of the attribute value pair of the location list in a credit control answer CCA message of the Gx interface, wherein the AVP field carries the subscription location information of the user terminal.
The terminal location information obtaining unit 520 is configured to obtain source location information and target location information of the user terminal in response to a change in the location of the user terminal. For example, if the user terminal is handed over from the eNB1 area to the eNB2 area, the eNB1 area is the source location and the eNB2 area is the target location.
The terminal location information comparing unit 530 is configured to compare the source location information with the user terminal subscription location information, and if the source location information does not match the user terminal subscription location information, compare the target location information with the user terminal subscription location information.
The location triggering unit 540 is configured to send a location triggering message to the PGW if the source location information matches the subscriber terminal subscription location information, so that the PGW triggers a charging message to the CG or the OCS; and if the target position information is matched with the user terminal signing position information, sending a position triggering message to the PGW so that the PGW triggers a charging message to the CG or the OCS, otherwise, not sending the position triggering message to the PGW.
In this embodiment, the MME compares the source location information and the target location information with the user terminal subscription location information, does not send the location trigger message to the PGW if both the source location information and the target location information are not matched with the user terminal subscription location information, and sends the location trigger message to the PGW if at least one of the source location information and the target location information is matched with the user terminal subscription location information, so that the PGW triggers the charging message to the CG or the OCS, thereby implementing a flow of triggering the charging message according to the subscription, and filtering a large amount of useless charging messages generated due to the handover.
Fig. 6 is a schematic structural diagram of an embodiment of a real-time location charging triggering system according to the present invention. The system includes PCRF 610 and MME 620, where MME 620 has been described in detail in the above embodiments and is not further described here. The PCRF 610 is configured to extend an AVP field in the CCA message of the Gx interface, where the AVP field carries the subscription location information of the ue.
In this embodiment, the MME can perform location charging information triggering when a designated subscription location is switched in or out, and can filter a large amount of unnecessary charging messages generated by handover without triggering charging messages in mobile handover in an unrelated location area.
FIG. 7 is a schematic structural diagram of an MME according to still another embodiment of the invention. The MME includes a memory 710 and a processor 720. Wherein: the memory 710 may be a magnetic disk, flash memory, or any other non-volatile storage medium. The memory 710 is used to store instructions in the embodiments corresponding to fig. 1-3. Processor 720, coupled to memory 810, may be implemented as one or more integrated circuits, such as a microprocessor or microcontroller. The processor 720 is configured to execute instructions stored in the memory.
In one embodiment, as also shown in fig. 8, the MME 800 includes a memory 810 and a processor 820. The processor 820 is coupled to the memory 810 by a BUS 830. The MME 800 may be further coupled to an external storage device 850 via a storage interface 840 for facilitating retrieval of external data, and may be further coupled to a network or another computer system (not shown) via a network interface 860, which will not be described in detail herein.
In the embodiment, the data instruction is stored in the memory, and the processor processes the instruction, so that the problem that a PGW frequently triggers a position charging message to a charging system to cause a large amount of useless charging bills or messages when the mobile position of the user terminal is switched can be solved.
In another embodiment, a computer-readable storage medium has stored thereon computer program instructions which, when executed by a processor, implement the steps of the method in the corresponding embodiment of fig. 1-3. As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, apparatus, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Thus far, the present disclosure has been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (7)
1. A real-time location charging triggering method comprises the following steps:
a mobility management entity MME receives user terminal signing position information sent by a policy and charging rule functional unit PCRF, wherein the PCRF expands a position list attribute value pair AVP field in a credit control answer CCA message of a Gx interface, and the AVP field carries the user terminal signing position information;
responding to the position change of a user terminal, and acquiring source position information and target position information of the user terminal;
comparing the source position information and the target position information with the user terminal signing position information respectively;
if the source location information and the target location information are not matched with the user terminal signing location information, a location trigger message is not sent to a public data network gateway (PGW), and if at least one of the source location information and the target location information is matched with the user terminal signing location information, a location trigger message is sent to the PGW so that the PGW can trigger a charging message to a charging system.
2. The method of claim 1, wherein,
the MME compares the source position information with the user terminal signing position information;
if the source location information is matched with the user terminal signing location information, sending a location triggering message to the PGW so that the PGW triggers a charging message to a charging system;
if the source position information is not matched with the user terminal signing position information, comparing the target position information with the user terminal signing position information;
and if the target location information is matched with the user terminal signing location information, sending a location triggering message to the PGW so that the PGW triggers a charging message to a charging system, otherwise, not sending the location triggering message to the PGW.
3. A mobility management entity, MME, comprising:
a subscription location information receiving unit, configured to receive user terminal subscription location information sent by a policy and charging rule function unit PCRF, where the PCRF expands an AVP field of a location list attribute value pair in a credit control answer CCA message of a Gx interface, and the AVP field carries the user terminal subscription location information;
a terminal position information obtaining unit, configured to obtain source position information and target position information of a user terminal in response to a change in a position of the user terminal;
a terminal position information comparison unit, configured to compare the source position information and the target position information with user terminal subscription position information, respectively;
and the location triggering unit is configured to not send a location triggering message to a public data network gateway PGW if both the source location information and the target location information are not matched with the subscriber terminal subscription location information, and send a location triggering message to the PGW if at least one of the source location information and the target location information is matched with the subscriber terminal subscription location information, so that the PGW triggers a charging message to a charging system.
4. The MME of claim 3, wherein,
the terminal position information comparison unit is used for comparing the source position information with the user terminal signing position information, and comparing the target position information with the user terminal signing position information if the source position information is not matched with the user terminal signing position information;
the location triggering unit is configured to send a location triggering message to the PGW if the source location information matches the subscriber terminal subscription location information, so that the PGW triggers a charging message to a charging system; and if the target location information is matched with the user terminal signing location information, sending a location triggering message to the PGW so that the PGW triggers a charging message to a charging system, otherwise, not sending the location triggering message to the PGW.
5. A real-time location charging triggering system comprising a policy and charging rules function, PCRF, and a mobility management entity, MME, of claim 3 or 4;
the PCRF is used for expanding an AVP field of a location list attribute value pair in a credit control answer CCA message of a Gx interface, wherein the AVP field carries the subscription location information of the user terminal.
6. A mobility management entity, MME, comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the method of claim 1 or 2 based on instructions stored in the memory.
7. A computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the steps of the method of claim 1 or 2.
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