CN101336001B - Roaming charging method, apparatus and system - Google Patents

Roaming charging method, apparatus and system Download PDF

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Publication number
CN101336001B
CN101336001B CN2008101425624A CN200810142562A CN101336001B CN 101336001 B CN101336001 B CN 101336001B CN 2008101425624 A CN2008101425624 A CN 2008101425624A CN 200810142562 A CN200810142562 A CN 200810142562A CN 101336001 B CN101336001 B CN 101336001B
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China
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ggsn
described
request message
sgsn
pdp
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CN2008101425624A
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Chinese (zh)
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CN101336001A (en
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鲍志军
林青春
章晋浩
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华为技术有限公司
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Abstract

The invention discloses a roam charging method between PLMN, relating to a wireless communication field, comprising: receiving PDP activation request information of a grouping data protocol transmitted by a user terminal; transmitting the PDP activation request information carried with VPLMN ID information of SGSN to a belonging place GGSN, when the PDP activation request information is not carried with an RAI cell, for filling the VPLMN ID information of SGSN into a call ticket or a prepaying information for the belonging place GGSN for charging. Therefore, the belonging place GGSN in roaming between the mobile grouping PLMN knows about information of the roaming place, and establishes agile charging standard. In addition, the embodiment of the invention also discloses a GGSN device and a roam charging system between PLMN.

Description

A kind of roam charging method, Apparatus and system

Technical field

The present invention relates to wireless communication technology field, relate in particular to a kind of roam charge technology.

Background technology

Along with mobile value-added new business, the new application are emerged in an endless stream, the mobile phone value-added service outside the voice service is used by increasing cellphone subscriber.The growth rate of data service in recent years also is much higher than speech business, and there is the very big space of taping the latent power in data service market.In the face of the abundant mobile data value-added service and the diversity of data user's internet behavior, traditional needs that can not satisfy mobile data network based on the speech business charging method of duration.The 3G packet domain is not only wanted and can be made analysis to data user's online duration, data traffic, content information etc., also want supervisory user account information in real time, accomplish not have time delay, accurate real time billing, prevent the malicious owing fee the when user uses data service, guarantee the returns of investment of operator., carrying out before packet field network builds, operator's network architecture of need making rational planning for is accomplished the real-time monitoring to grouping user for this reason.The mode that the grouping user ownership place inserts allows operator that the control point of data business is dropped on user ascription area, while is in conjunction with the corresponding transformation of backstage charge system, can provide the accurate in real time service of chargeing to the user easily, and can satisfy the diversity of following charging way, such as content charging, flow based charging (Flow BasedCharging, FBC) etc.User in the mobile packet network is at PLMN (Public LandMobile Network, when roaming PLMN), there be not gateway general packet radio service (GeneralPacket Radio Service, GPRS) support node is acted on behalf of before the GGSN Proxy scheme, all be to allow the user directly at the PLMN of ownership place operator gateway exchange gateway GPRS Support Node (Gateway GPRSSupport Node, GGSN) go up direct access service, and do not allow the user get back to the GGSN access service that gets in ownership province, as after the GGSN Proxy scheme, the GGSN that user's business just can the be got back to ownership place operator access service that gets on.As previously mentioned, the mode of this grouping user ownership place access can satisfy the diversity demand of following charging way.

But, in research and practice process to prior art, the inventor finds that there is following problem in prior art: the user of existing mobile packet network is in the GGSN of PLMN internetwork roaming Proxy scheme, PLMN gateway exchange GGSN transmits from roaming place Serving GPRS Support Node (Serving GSN, SGSN) packet data protocol (Packet Data Protocol, when PDP) activating request message to homing GGSN, homing GGSN may can not get user's roaming place information, thereby causes ownership place operator to formulate different Freight Basis and strategy according to user's roaming place information.

Summary of the invention

In view of this, the purpose of the embodiment of the invention is to provide roam charging method, device and the system between a kind of PLMN.

For achieving the above object, the embodiment of the invention provides following technical scheme: the embodiment of the invention provides the roam charging method between a kind of PLMN, comprising:

Receive the packet data protocol (PDP) activating request message that user terminal UE sends;

When not carrying Routing Area Identifier RAI cell in the described PDP activation request message, the PDP that carries Gateway GPRS Support Node SGSN visit ground PLMN sign VPLMN id information is activated request message be sent to ownership place Gateway GPRS Support Node GGSN, be used for homing GGSN the VPLMN id information of described SGSN is inserted ticket or pre-payment message to charge.

The embodiment of the invention provides the roam charging method between another kind of PLMN, comprising:

The PDP that receives the user terminal UE transmission of PLMN gateway exchange GGSN forwarding activates request message;

When not carrying the RAI cell in the described PDP activation request message, the VPLMN id information is searched with the corresponding relation of visit ground PLMN sign VPLMN ID in IP address according to SGSN, and the VPLMN id information of described SGSN is inserted in ticket or the pre-payment message to charge.

The embodiment of the invention provides the system of the roam charge between a kind of PLMN, comprising:

PLMN gateway exchange GGSN, be used to receive the PDP activation request message that user terminal UE sends, and, the PDP that carries the visit ground PLMN sign VPLMN id information of SGSN is activated request message be sent to homing GGSN when not carrying the RAI cell in the described PDP activation request message;

Homing GGSN, the PDP that is used to receive the VPLMN id information of the described SGSN of carrying activates request message, and the VPLMN id information of described SGSN is inserted in ticket or the pre-payment message to charge.

The embodiment of the invention provides the system of the roam charge between another kind of PLMN, comprising:

PLMN gateway exchange GGSN is used for transmitting the PDP activation request message that user terminal UE sends to homing GGSN;

Homing GGSN, be used to receive the PDP that user terminal UE that PLMN gateway exchange GGSN transmits sends and activate request message, and when not carrying the RAI cell in the described PDP activation request message, the VPLMN id information is searched with the corresponding relation of visit ground PLMN sign VPLMN ID in IP address according to SGSN, and the VPLMN id information of described SGSN is inserted in ticket or the pre-payment message to charge.

The embodiment of the invention provides a kind of GGSN, comprising:

Receiving element is used to receive the PDP activation request message that user terminal UE sends;

First transmitting element when being used for described PDP that receiving element receives and activating request message and do not carry the RAI cell, activates request message with the PDP that carries the visit ground PLMN sign VPLMN id information of SGSN and is sent to homing GGSN.

The embodiment of the invention provides another kind of GGSN, comprising:

Receiving element, the PDP that receives the user terminal UE transmission of gateway exchange GGSN forwarding activates request message;

First writing unit, be used for when described PDP activation request message does not carry the RAI cell, the information of searching VPLMN ID according to the IP address of SGSN and the corresponding relation of visit ground PLMN sign VPLMN ID, and the VPLMN id information of described SGSN inserted in ticket or the pre-payment message to charge.

As seen, compared with prior art, the PDP that sends for user terminal activates the scene of not carrying RAI in the request message, the embodiment of the invention by by the corresponding relation of PLMN gateway exchange GGSN configuration SGSN IP address and VPLMN ID and the VPLMN ID that carries SGSN to homing GGSN, perhaps dispose the corresponding relation of SGSN IP address and VPLMN ID by homing GGSN, thereby final homing GGSN is inserted the VPLMN ID of SGSN correspondence in ticket or the pre-payment message, make the homing GGSN that moves when dividing into groups the PLMN internetwork roaming can understand user's roaming place information, formulate Freight Basis flexibly in view of the above.Thereby make ownership place operator method to formulate different Freight Basis and strategy, make roaming cooperation and commercial negotiation between the PLMN between the operator have greater flexibility according to user's roaming place information.

Description of drawings

Fig. 1 is the charging method flow chart of the roaming between a kind of PLMN of first embodiment of the invention;

Fig. 2 is the charging method flow chart of the roaming between the another kind of PLMN of second embodiment of the invention;

Fig. 3 is the charging method signaling diagram of the roaming between a kind of PLMN of third embodiment of the invention;

Fig. 4 is the charging method signaling diagram of the roaming between the another kind of PLMN of fourth embodiment of the invention;

Fig. 5 is the charging method signaling diagram of the roaming between the another kind of PLMN of fifth embodiment of the invention;

Fig. 6 is the charge system block diagram of the roaming between a kind of PLMN of sixth embodiment of the invention;

Fig. 7 is the charge system block diagram of the roaming between the another kind of PLMN of seventh embodiment of the invention;

Fig. 8 is a kind of gateway exchange GGSN device schematic diagram of eighth embodiment of the invention;

Fig. 9 is a kind of homing GGSN device schematic diagram of ninth embodiment of the invention.

Embodiment

For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is further detailed explanation.

GGSN Proxy scheme mainly is by GGSN Proxy proxy gateway equipment is set at gateway exchange, by GGSN Proxy as middle repeater station, user's context activation request message is forwarded to the local signatory homing GGSN of netting, handles by the activation request message and the various subsequently data service of homing GGSN process user again.In the networking, described GGSN Proxy proxy gateway equipment generally is meant PLMN gateway exchange GGSN.For convenience of description, be that example is described as GGSN Proxy proxy gateway equipment all in the present specification with PLMN gateway exchange GGSN.

Because PLMN gateway exchange GGSN transmits from roaming place Serving GPRS Support Node (ServingGSN, SGSN) packet data protocol (Packet Data Protocol, when PDP) activating request message to homing GGSN, only revise and activate the message destination address, make the PDP of roaming place SGSN activate in the request message and may not have Routing Area Identifier (Routing Area Identity, RAI) cell (the optional cell of agreement) causes homing GGSN may therefore can not get user's roaming place information.First embodiment provided by the invention is the charging method of the roaming between a kind of PLMN, as shown in Figure 1, said method comprising the steps of:

The PDP that step 11, reception user terminal UE send activates request message;

Step 12, activate when not carrying the RAI cell in the request message as described PDP, the PDP that carries the visit ground PLMN sign VPLMN id information of SGSN is activated request message be sent to homing GGSN, be used for homing GGSN the VPLMN id information of described SGSN is inserted ticket or pre-payment message to charge.

In the foregoing description, the PDP of the described VPLMN id information that will carry SGSN activates request message and is sent to and can also comprises the step of searching the VPLMN id information according to the corresponding relation of the IP address of SGSN and VPLMNID before the homing GGSN, and the IP address of described SGSN and the corresponding relation of VPLMNID can be pre-configured on the PLMN gateway exchange GGSN.

In addition, in the foregoing description, the described PDP that will carry the VPLMN id information of SGSN activates request message and is sent to homing GGSN, is specifically as follows:

The VPLMN id information of SGSN is carried in the RAI cell, and the PDP that will carry described RAI cell activates request message and is sent to homing GGSN; Perhaps

The VPLMN id information of SGSN is carried on PDP activates in the request message in other new cells, and the PDP that will carry described new cell activates request message and is sent to homing GGSN.

In the foregoing description, the PDP that sends for user terminal activates the scene of not carrying the RAI cell in the request message, by carrying the VPLMN ID of described SGSN to homing GGSN by the corresponding relation of PLMN gateway exchange GGSN configuration SGSN IP address and VPLMN ID and by PDP activation request message, thereby final homing GGSN is according to the VPLMN ID of SGSN correspondence, homing GGSN when making the roaming of moving between grouping PLMN can be understood user's roaming place information, formulates Freight Basis flexibly in view of the above.Thereby make ownership place operator method to formulate different Freight Basis and strategy, make roaming cooperation and commercial negotiation between the PLMN between the operator have greater flexibility according to user's roaming place information.

In addition, in the foregoing description step 12, when carrying the RAI cell in the described PDP activation request message, PLMN gateway exchange GGSN can activate request message with the PDP of the described RAI of carrying cell be forwarded to homing GGSN, is used for homing GGSN the VPLMN id information of described SGSN is inserted ticket or pre-payment message to charge.

Second embodiment provided by the invention is the charging method of the roaming between a kind of PLMN, and as shown in Figure 2, described charging method may further comprise the steps:

The PDP that the user terminal UE that step 21, reception PLMN gateway exchange GGSN transmit sends activates request message;

Step 22, activate when not carrying the RAI cell in the request message as described PDP, search the VPLMN id information according to the IP address of SGSN and the corresponding relation of VPLMN ID, and the VPLMN id information of described SGSN is inserted in ticket or the pre-payment message to charge.

In the foregoing description, the IP address of described SGSN and the corresponding relation of VPLMN ID can be pre-configured on the homing GGSN.

In addition, in the foregoing description step 22, when carrying the RAI cell in the described PDP activation request message, homing GGSN charges according to the VPLMN id information of the SGSN in the RAI cell.

In the foregoing description, the PDP that sends for user terminal activates the scene of not carrying the RAI cell in the request message, by corresponding relation by homing GGSN configuration SGSN IP address and VPLMN ID, thereby final homing GGSN is according to the VPLMN id information of SGSN correspondence, homing GGSN when making the roaming of moving between grouping PLMN can be understood user's roaming place information, formulates Freight Basis flexibly in view of the above.Thereby make ownership place operator method to formulate different Freight Basis and strategy, make roaming cooperation and commercial negotiation between the PLMN between the operator have greater flexibility according to user's roaming place information.

The 3rd embodiment provided by the invention is the charging method of the roaming between a kind of PLMN, and as shown in Figure 3, described charging method may further comprise the steps:

Step 101, user terminal UE insert access zone network, and send PDP activation request message to visit ground SGSN.

Step 102, visit ground SGSN activate request message nslookup server according to the described PDP that receives, and (Domain Name System DNS), obtains the address of the ownership place Public Land Mobile Nerwork HPLMN gateway exchange GGSN of user terminal UE.

Step 103, visit ground SGSN are transmitted described PDP to described HPLMN gateway exchange GGSN and are activated request message according to the address of described HPLMN gateway exchange GGSN.

The PDP that step 104, described HPLMN gateway exchange GGSN send the VPLMN id information that carries SGSN activates request message to homing GGSN.

Described HPLMN gateway exchange GGSN checks described PDP activates in the request message whether carry the RAI cell, wherein, the RAI cell is that PDP that the SGSN that defines in the agreement issues GGSN activates an optional cell in the request message, described RAI cell comprises the information of the VPLMN ID of SGSN, is used to indicate the route district at SGSN place;

If described PDP activates in the request message and carries the RAI cell, then described HPLMN gateway exchange GGSN according to mobile subscriber's international number of user terminal (Mobile Station ISDN, MSISDN) sign is forwarded to homing GGSN with the described RAI of carrying cell PDP activation request message;

If described PDP activates in the request message and does not carry the RAI cell, the information that then described HPLMN gateway exchange GGSN searches VPLMN ID according to the corresponding relation of the IP address of SGSN of configuration and VPLMN ID, the IP address of described SGSN and the corresponding relation of VPLMN ID can be pre-configured on the HPLMN gateway exchange GGSN, and the information of described VPLMN ID is carried in the described RAI cell, the PDP that described HPLMN gateway exchange GGSN will carry described RAI cell according to the MSISDN of user terminal activates request message and is sent to homing GGSN.

Step 105, homing GGSN activate request message according to the PDP of the described RAI of the carrying cell of receiving, obtain the VPLMN id information of the SGSN in the RAI cell, and the VPLMN id information of described SGSN is filled in ticket or the pre-payment message.

Afterwards, charging center (BOSS system) can carry out offline charging according to the VPLMN ID of the SGSN in the ticket rate different for the user uses.Perhaps, Online Charging System (OCS, Online ChargingSystem) can carry out online charging according to the VPLMN ID of the SGSN in the user's online charging message rate different for the user uses.

In the embodiment of the invention, when not carrying the RAI cell in the PDP activation request message that user terminal sends, by corresponding relation at HPLMN gateway exchange GGSN configuration SGSN IP address and VPLMN ID, and activate request message by PDP and carry the VPLMN ID of described SGSN to homing GGSN, thereby final homing GGSN is inserted the VPLMN ID of SGSN correspondence in ticket or the pre-payment message, homing GGSN when making the roaming of moving between grouping PLMN can be understood user's roaming place information, formulates Freight Basis flexibly in view of the above.Thereby make ownership place operator method to formulate different Freight Basis and strategy, make roaming cooperation and commercial negotiation between the PLMN between the operator have greater flexibility according to user's roaming place information.

The 4th embodiment that the embodiment of the invention provides is the charging method of the roaming between a kind of PLMN, and as shown in Figure 4, described charging method may further comprise the steps:

Step 201, user terminal UE insert access zone network, and send PDP activation request message to visit ground SGSN.

Step 202, visit ground SGSN activate request message inquiry DNS according to the described PDP that receives, obtain the address of the HPLMN gateway exchange GGSN of user terminal UE.

Step 203, visit ground SGSN are transmitted described PDP to described HPLMN gateway exchange GGSN and are activated request message according to the address of described HPLMN gateway exchange GGSN.

Step 204, described HPLMN gateway exchange GGSN transmit described PDP according to the MSISDN sign of user terminal to homing GGSN and activate request message.

Step 205, described homing GGSN check described PDP activates in the request message whether carry the RAI cell, wherein, the RAI cell is that PDP that the SGSN that defines in the agreement issues GGSN activates an optional cell in the request message, described RAI cell comprises the information of the VPLMN ID of SGSN, is used to indicate the route district at SGSN place;

If described PDP activates in the request message and carries the RAI cell, then described homing GGSN activates the RAI cell that carries in the request message according to described PDP, obtain the VPLMN id information of SGSN, and the VPLMN id information of described SGSN is filled in ticket or the pre-payment message.

If described PDP activates in the request message and does not carry the RAI cell, the information that then described homing GGSN is searched VPLMN ID according to the corresponding relation of the IP address of SGSN of configuration and VPLMN ID, and the VPLMN id information of described SGSN inserted in ticket or the pre-payment message.

Afterwards, offline charging can be carried out according to the VPLMN ID of the SGSN in the ticket rate different for the user uses in the charging center.Perhaps, Online Charging System can carry out online charging according to the VPLMN ID of the SGSN in the user's online charging message rate different for the user uses.

In the embodiment of the invention, when not carrying the RAI cell in the PDP activation request message that user terminal sends, by corresponding relation at homing GGSN configuration SGSN IP address and VPLMN ID, the homing GGSN VPLMN ID of SGSN correspondence is the most at last inserted in ticket or the pre-payment message, homing GGSN when making the roaming of moving between grouping PLMN can be understood user's roaming place information, formulates Freight Basis flexibly in view of the above.Thereby make ownership place operator method to formulate different Freight Basis and strategy, make roaming cooperation and commercial negotiation between the PLMN between the operator have greater flexibility according to user's roaming place information.

The 5th embodiment provided by the invention is the charging method of the roaming between a kind of PLMN, and as shown in Figure 5, described charging method may further comprise the steps:

Step 301, user terminal UE insert access zone network, and send PDP activation request message to visit ground SGSN.

Step 302, visit ground SGSN activate request message inquiry DNS according to the described PDP that receives, obtain the address of the HPLMN gateway exchange GGSN of user terminal UE.

Step 303, visit ground SGSN are transmitted described PDP to described HPLMN gateway exchange GGSN and are activated request message according to the address of described HPLMN gateway exchange GGSN.

Step 304, described HPLMN gateway exchange GGSN send described PDP and activate request message to homing GGSN.

Described HPLMN gateway exchange GGSN checks described PDP activates in the request message whether carry the RAI cell, wherein, the RAI cell is that PDP that the SGSN that defines in the agreement issues GGSN activates an optional cell in the request message, described RAI cell comprises the information of the VPLMN ID of SGSN, is used to indicate the route district at SGSN place;

If described PDP activates in the request message and carries the RAI cell, then described HPLMN gateway exchange GGSN according to the MSISDN sign of user terminal will the described RAI of carrying cell PDP activation request message be forwarded to homing GGSN;

If described PDP activates in the request message and does not carry the RAI cell, the information that then described HPLMN gateway exchange GGSN searches VPLMN ID according to the corresponding relation of the IP address of SGSN of configuration and VPLMN ID, construct a new cell, as SGSN VPLMN sign cell SGSN-PLMN-Identifier, and the information of described VPLMN ID is carried in the described SGSN VPLMN sign cell, described HPLMN gateway exchange GGSN according to the MSISDN sign of user terminal will the described SGSN of carrying VPLMN sign cell PDP activation request message be sent to homing GGSN.

If activating in the request message, the described PDP that the described HPLMN gateway exchange of step 305 GGSN receives carries the RAI cell, then homing GGSN activates request message according to the described PDP that receives, obtain the VPLMN id information in the RAI cell, and the VPLMN id information of described SGSN is filled in ticket or the pre-payment message;

If activating in the request message, the described PDP that described HPLMN gateway exchange GGSN receives do not carry the RAI cell, then homing GGSN activates request message according to the described PDP that receives, obtain ... the VPLMN id information in the cell, and the VPLMN id information of described SGSN is filled in ticket or the pre-payment message.

Afterwards, offline charging can be carried out according to the VPLMN ID of the SGSN in the ticket rate different for the user uses in the charging center.Perhaps, Online Charging System can carry out online charging according to the VPLMN ID of the SGSN in the user's online charging message rate different for the user uses.

In the embodiment of the invention, when not carrying the RAI cell in the PDP activation request message that user terminal sends, by corresponding relation at HPLMN gateway exchange GGSN configuration SGSN IP address and VPLMN ID, and activate request message by PDP and carry the VPLMN ID of described SGSN to homing GGSN, thereby final homing GGSN is inserted the VPLMN ID of SGSN correspondence in ticket or the pre-payment message, homing GGSN when making the roaming of moving between grouping PLMN can be understood user's roaming place information, formulates Freight Basis flexibly in view of the above.Thereby make ownership place operator method to formulate different Freight Basis and strategy, make roaming cooperation and the commercial negotiation of user between PLMN between the operator have greater flexibility according to user's roaming place information.

The 6th embodiment provided by the invention is the charge system of the roaming between a kind of PLMN, and as shown in Figure 6, described charge system comprises PLMN gateway exchange GGSN61 and homing GGSN 62, wherein:

PLMN gateway exchange GGSN61, be used for checking that PDP activates request message and whether carries the RAI cell, wherein, the RAI cell is that PDP that the SGSN that defines in the agreement issues GGSN activates an optional cell in the request message, described RAI cell comprises the information of the VPLMN ID of SGSN, is used to indicate the route district at SGSN place;

If described PDP activates in the request message and carries the RAI cell, the PDP that then described PLMN gateway exchange GGSN61 will carry described RAI cell according to the MSISDN of user terminal activates request message and is sent to homing GGSN 62;

If described PDP activates in the request message and does not carry the RAI cell, the information that then described gateway exchange GGSN61 searches VPLMN ID according to the corresponding relation of the IP address of SGSN and VPLMN ID, and described VPLMN id information is carried on described PDP activates request message and be sent to homing GGSN 62.

Homing GGSN 62, the PDP that is used to receive the VPLMN id information of the described SGSN of carrying activates request message, and the VPLMN id information of described SGSN inserted in ticket or the pre-payment message, be used for charging center or Online Charging System according to the VPLMN ID of SGSN for the user uses different rates charge.

The 7th embodiment provided by the invention is the charge system of the roaming between a kind of PLMN, and as shown in Figure 7, described charge system comprises gateway exchange GGSN71 and homing GGSN 72, wherein:

Gateway exchange GGSN71 is used for transmitting PDP according to the MSISDN sign of user terminal to homing GGSN 72 and activates request message;

Homing GGSN 72, be used for checking that described PDP activates request message and whether carries the RAI cell, wherein, the RAI cell is that PDP that the SGSN that defines in the agreement issues GGSN activates an optional cell in the request message, described RAI cell comprises the information of the VPLMN ID of SGSN, is used to indicate the route district at SGSN place;

If described PDP activates in the request message and carries the RAI cell, then described homing GGSN 72 activates the RAI cell that carries in the request message according to described PDP, obtain the VPLMN ID of SGSN, and the VPLMN id information of described SGSN is filled in ticket or the pre-payment message;

If described PDP activates in the request message and does not carry the RAI cell, the information that then described homing GGSN 72 is searched VPLMN ID according to the corresponding relation of the IP address of SGSN and VPLMN ID, and the VPLMN id information of described SGSN is filled in ticket or the pre-payment message, be used for charging center or Online Charging System according to the VPLMN ID of SGSN for the user uses different rates charge.

The 8th embodiment provided by the invention is a kind of gateway exchange GGSN, as shown in Figure 8, comprising: receiving element 801, first transmitting element 802:

Receiving element 801 is used to receive the PDP activation request message that user terminal UE sends;

First transmitting element 802 when being used for PDP and activating request message and do not carry the RAI cell, activates request message with the PDP that carries the VPLMN id information of SGSN and is sent to homing GGSN.

In addition, described gateway exchange GGSN can also comprise:

Search unit 803, when being used for PDP and activating request message and do not carry the RAI cell, search the VPLMN id information of SGSN according to the corresponding relation of the IP address of SGSN and VPLMN ID.

In addition, described gateway exchange GGSN can also comprise:

Preserve unit 804, be used to preserve the IP address of SGSN and the corresponding relation of VPLMN ID.

In addition, described gateway exchange GGSN can also comprise:

Judging unit 805 is used for judging whether the PDP activation request message that described user terminal sends carries the RAI cell.

In addition, described gateway exchange GGSN can also comprise:

Second transmitting element 806 when being used for PDP and activating request message and carry the RAI cell, activates request message with the PDP of the described RAI of carrying cell and is forwarded to homing GGSN.

The 9th embodiment provided by the invention is a kind of homing GGSN, as described in Figure 9, comprises receiving element 901, first writing unit 902:

Receiving element 901 is used to receive the PDP that user terminal that gateway exchange GGSN transmits sends and activates request message;

First writing unit 902, be used for when described PDP activation request message does not carry the RAI cell, the information of searching VPLMN ID according to the corresponding relation of the IP address of SGSN and VPLMN ID, and the VPLMN id information of described SGSN is filled in ticket or the pre-payment message to charge.

In addition, in the foregoing description, described homing GGSN can also comprise:

Preserve unit 903, be used to preserve the IP address of SGSN and the corresponding relation of VPLMN ID.

In addition, in the foregoing description, described homing GGSN can also comprise:

Judging unit 904 is used for judging whether the PDP activation request message that described user terminal sends carries the RAI cell.

In addition, in the foregoing description, described homing GGSN can also comprise:

Second writing unit 905, when the PDP activation request message that is used for sending when described user terminal carries the RAI cell, activate the VPLMN ID that obtains SGSN the request message from described PDP, and the VPLMN id information of described SGSN is filled in ticket or the pre-payment message to charge.

In sum, the PDP that sends for user terminal activates the scene of not carrying the RAI cell in the request message, the embodiment of the invention by by the corresponding relation of HPLMN gateway exchange GGSN configuration SGSN IP address and VPLMNID and the VPLMN ID that carries SGSN to homing GGSN, perhaps dispose the corresponding relation of SGSN IP address and VPLMN ID by homing GGSN, thereby final homing GGSN is inserted the VPLMN ID of SGSN correspondence in ticket or the pre-payment message, make the homing GGSN when moving the roaming of dividing into groups between PLMN can understand user's roaming place information, formulate Freight Basis flexibly in view of the above.Thereby make ownership place operator method to formulate different Freight Basis and strategy, make roaming cooperation and commercial negotiation between the PLMN between the operator have greater flexibility according to user's roaming place information.

Through the above description of the embodiments, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk as computer, hard disk or CD etc., comprise some instructions with so that equipment (can be server, perhaps the network equipment etc.) carry out the described method of each embodiment of the present invention.

Above-mentioned only is better embodiment of the present invention; but be not to be used to limit protection scope of the present invention; any those skilled in the art of being familiar with will be appreciated that; all within the spirit and principles in the present invention scope; any modification of being done, equivalence replacement, improvement etc. all should be included within the scope of the present invention.

Claims (17)

1. the roam charging method between a PLMN PLMN is characterized in that described method comprises:
Receive the packet data protocol (PDP) activating request message that user terminal UE sends;
When not carrying Routing Area Identifier RAI cell in the described PDP activation request message, the PDP that carries Gateway GPRS Support Node SGSN visit ground PLMN sign VPLMN id information is activated request message be sent to ownership place Gateway GPRS Support Node GGSN, be used for homing GGSN the VPLMN id information of described SGSN is inserted ticket or pre-payment message to charge.
2. the method for claim 1 is characterized in that, the described PDP that will carry the VPLMN id information of SGSN activates request message and is sent to before the homing GGSN, also comprises:
Search the VPLMN id information according to the IP address of SGSN and the corresponding relation of VPLMN ID.
3. method as claimed in claim 2 is characterized in that, the IP address of described SGSN and the corresponding relation of VPLMN ID are pre-configured on the PLMN gateway exchange GGSN.
4. as each described method in the claim 1~3, it is characterized in that the described PDP that will carry the VPLMN id information of SGSN activates request message and is sent to homing GGSN, is specially:
The VPLMN id information of SGSN is carried in the RAI cell, and the PDP that will carry described RAI cell activates request message and is sent to homing GGSN; Perhaps
The VPLMN id information of SGSN is carried on PDP activates in the request message in other new cells, and the PDP that will carry described new cell activates request message and is sent to homing GGSN.
5. the roam charging method between a PLMN is characterized in that described method comprises:
The PDP that receives the user terminal UE transmission of PLMN gateway exchange GGSN forwarding activates request message;
When not carrying the RAI cell in the described PDP activation request message, the VPLMN id information is searched with the corresponding relation of visit ground PLMN sign VPLMN ID in IP address according to SGSN, and the VPLMN id information of described SGSN is inserted in ticket or the pre-payment message to charge.
6. method as claimed in claim 5 is characterized in that, the IP address of described SGSN and the corresponding relation of VPLMN ID are pre-configured on the homing GGSN.
7. a roam charge system is characterized in that, described system comprises:
PLMN gateway exchange GGSN, be used to receive the PDP activation request message that user terminal UE sends, and, the PDP that carries the visit ground PLMN sign VPLMN id information of SGSN is activated request message be sent to homing GGSN when not carrying the RAI cell in the described PDP activation request message;
Homing GGSN, the PDP that is used to receive the VPLMN id information of the described SGSN of carrying activates request message, and the VPLMN id information of described SGSN is inserted in ticket or the pre-payment message to charge.
8. system as claimed in claim 7 is characterized in that,
Described PLMN gateway exchange GGSN also is used for when described PDP activates request message and carries the RAI cell, the PDP of the described RAI of carrying cell is activated request message be forwarded to homing GGSN;
Described homing GGSN also is used for activating request message according to the PDP of the described RAI of carrying cell, and the VPLMN id information of the SGSN in the described RAI cell is inserted in ticket or the pre-payment message to charge.
9. a roam charge system is characterized in that, described system comprises:
PLMN gateway exchange GGSN is used for transmitting the PDP activation request message that user terminal UE sends to homing GGSN;
Homing GGSN, be used to receive the PDP that user terminal UE that PLMN gateway exchange GGSN transmits sends and activate request message, and when not carrying the RAI cell in the described PDP activation request message, the VPLMN id information is searched with the corresponding relation of visit ground PLMN sign VPLMN ID in IP address according to SGSN, and the VPLMN id information of described SGSN is inserted in ticket or the pre-payment message to charge.
10. system as claimed in claim 9 is characterized in that,
Described homing GGSN also is used for when described PDP activates request message and carries the RAI cell, charges according to the VPLMN id information of the SGSN in the RAI cell.
11. a GGSN is characterized in that, described GGSN comprises:
Receiving element is used to receive the PDP activation request message that user terminal UE sends;
First transmitting element when being used for described PDP that receiving element receives and activating request message and do not carry the RAI cell, activates request message with the PDP that carries the visit ground PLMN sign VPLMN id information of SGSN and is sent to homing GGSN.
12. GGSN as claimed in claim 11 is characterized in that, described GGSN also comprises:
Search the unit, when being used for PDP and activating request message and do not carry the RAI cell, the information of searching VPLMN ID according to the corresponding relation of the IP address of SGSN and VPLMN ID.
13. GGSN as claimed in claim 11 is characterized in that, described GGSN also comprises:
Preserve the unit, be used to preserve the IP address of SGSN and the corresponding relation of VPLMN ID.
14. GGSN as claimed in claim 11 is characterized in that, described GGSN also comprises:
Judging unit is used for judging that PDP activates request message and whether carries the RAI cell.
15. a GGSN is characterized in that, described GGSN comprises:
Receiving element, the PDP that receives the user terminal UE transmission of gateway exchange GGSN forwarding activates request message;
First writing unit, be used for when described PDP activation request message does not carry the RAI cell, the information of searching VPLMN ID according to the IP address of SGSN and the corresponding relation of visit ground PLMN sign VPLMN ID, and the VPLMN id information of described SGSN inserted in ticket or the pre-payment message to charge.
16. GGSN as claimed in claim 15 is characterized in that, described GGSN also comprises:
Judging unit is used for judging that described PDP activates request message and whether carries the RAI cell.
17. GGSN as claimed in claim 15 is characterized in that, described GGSN also comprises:
Preserve the unit, be used to preserve the IP address of SGSN and the corresponding relation of VPLMN ID.
CN2008101425624A 2008-07-29 2008-07-29 Roaming charging method, apparatus and system CN101336001B (en)

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WO2012171198A1 (en) * 2011-06-16 2012-12-20 华为技术有限公司 Method, access network equipment and system for implementing charging
EP2876910B1 (en) * 2012-07-23 2019-12-18 Huawei Technologies Co., Ltd. Charging information processing method, apparatus, and system
CN103702311A (en) * 2012-09-27 2014-04-02 中兴通讯股份有限公司 Method and system for selecting VPLMN (visited public land mobile network) and packet data network gateway

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CN1691821A (en) * 2004-04-30 2005-11-02 华为技术有限公司 A method and system for implementing roaming charging
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CN1691821A (en) * 2004-04-30 2005-11-02 华为技术有限公司 A method and system for implementing roaming charging
CN1747517A (en) * 2004-09-09 2006-03-15 华为技术有限公司 Roam charge method of called user by laminated type prepay

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