CN1642137A - Method and system for realizing general packet wireless business intelligent network - Google Patents
Method and system for realizing general packet wireless business intelligent network Download PDFInfo
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- CN1642137A CN1642137A CNA2004100021381A CN200410002138A CN1642137A CN 1642137 A CN1642137 A CN 1642137A CN A2004100021381 A CNA2004100021381 A CN A2004100021381A CN 200410002138 A CN200410002138 A CN 200410002138A CN 1642137 A CN1642137 A CN 1642137A
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Abstract
The invention discloses a method and system for implementing universal packet wireless service intelligent network, establishing gateway GPRS supported node (GGSN) in GPRS network, superposing GPRS service switching function (gprsSSF) on the GGSN; before a user accesses to network, the GGSN can trigger service logic on GPRS service control function (gsmSCF), where the service logic makes user information inquiring operation and provides operated result; the GGSN controls the user to interchange data with external network, according to the operated result provided by the gsmSCF.
Description
Technical field
The present invention relates to general packet wireless service technology, relate in particular to a kind of method and system that realize the GPRS intelligent network.
Background technology
(General Packet Radio Service GPRS) is a kind of mobile pocket data business that grows up on existing gsm mobile communication system basis in GPRS.GPRS is by introduce the functional entity of packet switching in the GSM digital mobile communication network, to finish the transfer of data of carrying out with packet mode.Many telecom operations commercial city has made up the GPRS network of oneself, so that provide the rich data business for the user.
Current communication network just develops towards intelligent, broadband, personalized direction, the appearance of intelligent network in order to satisfy telecommunication user to the professional demand of variation, is satisfied telecommunications business company and is released miscellaneous service fast, economically with the source place demand of increasing income just.Therefore how fast, low-cost, become problem suddenly to be solved for telecom operators make up the GPRS intelligent network effectively.
GPRS intelligent network structure according to the 3GPP definition: in SGSN stack GPRS Service Switch Function (gprsSSF) function.The networking of existing system as shown in Figure 1, this intelligent network construction method is:
(1) storage user data information comprises GPRS-CSI in the attaching position register (HLR), is inserted in the Serving GPRS Support Node (SGSN) by " insertion user data " operation; When SGSN processing GPRS MS adhered to request, PDP Context activation, Routing Area Update, SGSN asked to GPRS Service Control Function (gsmSCF) according to GPRS-CSI, and accepts control or the supervision of gsmSCF.
(2) adopt CAMEL application program part (CAP) agreement between the gprsSSF-gsmSCF, be used for each the PDP Context session on the gsmSCF control gprsSSF.
Though can be built into the GPRS intelligent network with having GPRS network now as stated above, there is following shortcoming in this method:
1, the SGSN entity in the existing GPRS network all needs upgrading to support the gprsSSF function, and SGSN may be the equipment of a plurality of manufacturers, the function of the SGSN device upgrade gprsSSF of each producer there are differences, thereby makes the network entity of different manufacturers dock risk separately because of upgrading brings.
2, make up intelligent network in this way, between the SGSN/SSF of gsmSCF and other manufacturer, exist the customization of mobile network's enhanced logic to use (CAMEL) interface compatibility test problem.For example: different producers provides in the CAMEL agreement some parameter formats may be different, if want the form of compatible same parameter different manufacturers, gsmSCF also is cumbersome.
3, the SGSN entity in the existing GPRS network all needs upgrading to support the gprsSSF function, has strengthened the investment of telecom operators' support intelligent networks like this.
Summary of the invention
The object of the present invention is to provide a kind of method and system that realize the GPRS intelligent network, have that investment is excessive when solve adopting prior art to make up intelligent network, butt joint risk and a compatibility issue between the network entity.
The invention provides following technical scheme:
A kind of method that realizes the GPRS intelligent network, has Serving GPRS Support Node (SGSN) at GPRS (GPRS) network, described intelligent network includes business control function body (gsmSCF) and Service Switching Function entity (gsmSSF) at least, and this method is:
Set up Gateway GPRS Support Node (GGSN) and the described gprsSSF that superposes on this GGSN in described GPRS network, described gprsSSF perhaps directly superposes on the existing GGSN of described GPRS network;
When the user initiates for the first time request of data, initiate request to GGSN by described SGSN;
GGSN carries out user profile by this service logic and inquires after operation and operating result is provided according to the service logic on the described request triggering gsmSCF; And
GGSN according to gsmSCF provide inquire after operating result control user and external network carries out data interaction.
According to said method:
Adopt CAMEL agreement, Radius agreement between described GGSN and the control point or carry out alternately based on the self-defining message of TCP/IP.
The condition that GGSN triggers the service logic on the gsmSCF is user's a phone number MSISDN section, perhaps is the IMSI section, perhaps is the APN of pre-payment; Perhaps being the request of Client-initiated new data service, perhaps is the user goes up definition at attaching position register (HLR) sign configuration parameter.
Described user profile is inquired after operation and is comprised at least subscription authentication and charging.
When described user profile is inquired after when being operating as subscription authentication, if failed authentication, gsmSCF then issues to GGSN and cuts off the data interactive operation, and the GGSN refusing user's is connected with outer data network; If authentication success, the control point is then allocated certain expense in advance from user account number, and relevant monitoring parameter is handed down to GGSN, GGSN makes the user be connected with outer data network, according to monitoring parameter the data interaction between user and outer data network is monitored, and the parameter value that reality is used reports the control point.
The monitoring parameter that the control point issues to GGSN is flow size, duration or this pre-assigned expense.
A kind of GPRS (GPRS) intelligent network, comprise Serving GPRS Support Node (SGSN), business control function body (gsmSCF) and Service Switching Function entity (gprsSSF), wherein also comprise the Gateway GPRS Support Node (GGSN) that is superimposed with described gsmSSF, this GGSN and described gsmSCF set up control relation, and described SGSN and this GGSN pass through interface communication.
According to above-mentioned intelligent network:
Adopt the gn interface of standard between SGSN and the GGSN.
Between GGSN and the gsmSCF CAMEL control relation or RADIUS control relation.
Adopt method of the present invention to make up the GPRS intelligent network, newly-increased GGSN adopts existing standard interface and existing network equipment interconnection, does not need existing GPRS network device upgrade is just transformed and can be released business fast, does not influence existing network stable operation.Simultaneously, newly-increased GGSN is in convergence-level, supports CAMEL3, interfaces such as Radius, and the network equipment in this GGSN coverage needn't be upgraded to CAMEL3, and is lower than traditional method cost, small investment.
Description of drawings
Fig. 1 is the networking schematic diagram of existing GPRS intelligent network;
Fig. 2, Fig. 3 are the networking schematic diagram of GPRS intelligent network of the present invention;
Fig. 4,5 is a business process map of the present invention.
Embodiment
Consult shown in Figure 2ly, the present invention increases Gateway GPRS Support Node (GGSN) on the GPRS networking, and stack gprsSSF function on this GGSN (GSN/SSP) entity is not promptly in SGSN stack gprsSSF function.GGSN/gprsSSF sets up the CAMEL control relation by the CAP operation with gsmSCF, adopts the gn interface of standard between SGSN equipment and the GGSN.
Attaching position register (HLR) is a database normally, stores the information and the relevant dynamic data information of each home subscriber of whole home subscribers, and mobile subscriber's information is provided to SGSN (MSC/VLR).The major function of SGSN is to finish to call out exchange, and the position of control travelling carriage is upgraded and handover procedure.GsmSCF is a dynamic database and transaction unit, be responsible for to carry out the CAMEL service logic, realizes the business that operation is specific, the continuing and charging etc. of controlling call.GprsSSF is a kind of of SSF, is responsible for the call status information of SGSN report is transformed, and issues gsmSCF then, perhaps accepts the indication of gsmSCF, carries out issuing GGSN again after the format conversion.
GGSN is as the Service Switching Point of control user and outer data network data interaction.User's online or certain data content are before the mutual moment, and GGSN initiates the user to the control point and inquires after operation.Subscription authentication is finished at the control point.If then issuing, subscription authentication failure, control point cut off the data interactive operation.If the subscription authentication success, the control point is then allocated certain expense in advance from user account number, and is handed down to certain monitoring parameter to GGSN.GGSN adds up according to the monitoring parameter that the control point issues, and the parameter value that reality is used reports gsmSCF.GsmSCF charges to reporting the ground parameter value, and finishes expense deduction from user account number.
GGSN initiates the condition of control relation to the control point, can be whether phone number according to the user is a default number section; Or according to user's IMSI whether a default IMSI section; Or judge (APN that is pre-payment just triggers, and the APN that pays in the back does not just trigger) according to APN; Or the user has initiated certain new data service request; Or trigger at the sign configuration parameter of HLR definition according to the user.
The agreement that adopts between GGSN and the gsmSCF can be multiple: the CAMEL agreement; The Radius agreement; Perhaps based on the self-defining message operation of TCP/IP.
GsmSCF as monitoring parameter, or issues duration as monitoring parameter to GGSN sending flow rate size; Or issue this pre-assigned expense as monitoring parameter.
Consult shown in Figure 4ly, adopt the CAMEL agreement between GGSN and the control point, realize that the signaling process of control is as follows:
1, travelling carriage (MS) initiates to activate PDP Context request (Activate PDP ContextRequest) to SGSN.
2, SGSN initiates to create PDP Context request (Create PDP ContextRequest) to GGSN/SSP.
3, GGSN/SSP initiates Initial DP GPRS to SCP.
4, SCP issues report GPRS event request (Request Report GPRS Event) operation to GGSN/SSF.
5, SCP finishes user's authentication.After subscription authentication is passed through.SCP calculates monitoring flow amount (or duration) in advance according to user balance, and issues Apply Charging GPRS operation to GGSN/SSF.
6, SCP issues Continue GPRS operation to GGSN/SSF.
7, SGSN accepts GGSN/SSP and creates the PDP Context response message.
8, SGSN returns an activation PDP Context to MS and accepts message, and the cellphone subscriber just can carry out gprs service after receiving this message.
9, do the mutual of data application between MS and the Internet.
10, the GGSN/SSF monitoring period has arrived (or the flow that monitors has been used up), then reports Apply Charging Report GPRS operation to SCP.SCP and to the time of actual consumption (or flow) expense deducts on user's account.
11, user balance also has remaining words, and SCP then continues to issue policer operation to GGSN/SSF.
12, MS initiates deexcitation PDP Context request (Deactivate PDP ContextRequest) to SGSN.
13, SGSN initiates deletion PDP Context request (Delete PDP ContextRequest) to GGSN/SSP.
14, GGSN/SSP reports Apply Charging Request GPRS to SCP.SCP charges according to the actual use traffic (or duration) that reports, and finishes the deduction of user balance.
15, GGSN/SSF reports Event Report GPRS operation to SCP.
16, SCP issues Release GPRS operation to GGSN/SSF.
17, SGSN accepts the response of deletion PDP Context.
18, MS accepts the response of deexcitation PDP Context.
Consult Fig. 3, adopt the Radius agreement between GGSN and the SCP, when adopting this agreement, require SCP can support Radius agreement (with reference to RFC2865), can handle the Radius authentication and the request of chargeing; GGSN can add up the charge information of user's online and fill out in the Radius charging required parameter according to the Radius agreement.Be that GGSN issues SCP to authentication, the request of charging by the Radius agreement, SCP charges according to the charge information in the request of chargeing.Consult shown in Figure 5ly, the signaling process of realization is as follows:
1, MS initiates to activate PDP Context request (Activate PDP Context Request) to SGSN.
2, SGSN initiates to create PDP Context request (Create PDP ContextRequest) to GGSN/SSP.
3, GGSN initiates Access-Request to SCP.
4, SCP finishes user's authentication.After subscription authentication is passed through.SCP calculates monitoring flow amount (or duration) in advance according to user balance, and to GGSN response .Access-Accept.
5, SGSN accepts GGSN/SSP and creates the PDP Context response message.
6, SGSN returns an activation PDP Context to MS and accepts message, and the cellphone subscriber just can carry out gprs service after receiving this message.
7, GGSN initiates Acct-Start-Request to SCP.
8, SCP responds .Acct-Start-Response to GGSN.
9, do the mutual of data application between MS and the Internet.
10, GGSN initiates the Acct-Real-Request operation to SCP, comprises the time of actual consumption (or flow) in this operation.SCP finishes the charging of the time (or flow) that reports, and deducts on user account.
11, user balance also has remaining words, and SCP then continues the operation to GGSN response Acct-Real-Response.
12, MS initiates deexcitation PDP Context request (Deactivate PDP ContextRequest) to SGSN.
13, SGSN initiates deletion PDP Context request (Delete PDP ContextRequest) to GGSN/SSP.
14, GGSN initiates the Acct-Stop-Request operation to SCP, comprises the time of actual consumption (or flow) in this operation.SCP finishes the charging of the time (or flow) that reports, and deducts on user account.
15, GGSN is to SCP response Acct-Stop-Response operation.
16, SGSN accepts the response of deletion PDP Context.
17, MS accepts the response of deexcitation PDP Context.
For the GPRS network of existing GGSN, the gprsSSF function that then directly on stack entity on this GGSN, superposes, its principle is same as described above.
Claims (9)
1, a kind of method that realizes the GPRS intelligent network, this GPRS (GPRS) network has Serving GPRS Support Node (SGSN), described intelligent network includes business control function body (gsmSCF) and Service Switching Function entity (gprsSSF) at least, it is characterized in that this method is:
Set up Gateway GPRS Support Node (GGSN) and the described gprsSSF that superposes on this GGSN in described GPRS network, described gprsSSF perhaps directly superposes on the existing GGSN of described GPRS network;
When the user initiates for the first time request of data, initiate request to GGSN by described SGSN;
GGSN carries out user profile by this service logic and inquires after operation and operating result is provided according to the service logic on the described request triggering gsmSCF; And
GGSN according to gsmSCF provide inquire after operating result control user and external network carries out data interaction.
2, the method for claim 1 is characterized in that, adopts CAMEL agreement, Radius agreement between described GGSN and the control point or carries out alternately based on the self-defining message of TCP/IP.
3, the method for claim 1 is characterized in that, the condition that GGSN triggers the service logic on the gsmSCF is user's a phone number MSISDN section, perhaps is the IMSI section, perhaps is the APN of pre-payment; Perhaps being the request of Client-initiated new data service, perhaps is the user goes up definition at attaching position register (HLR) sign configuration parameter.
As claim 1,2 or 3 described methods, it is characterized in that 4, described user profile is inquired after operation and comprised at least subscription authentication and charging.
5, method as claimed in claim 4 is characterized in that, when described user profile is inquired after when being operating as subscription authentication, if failed authentication, gsmSCF then issues to GGSN and cuts off the data interactive operation, and GGSN, refusing user's are connected with outer data network; If authentication success, the control point is then allocated certain expense in advance from user account number, and relevant monitoring parameter is handed down to GGSN, GGSN makes the user be connected with outer data network, according to monitoring parameter the data interaction between user and outer data network is monitored, and the parameter value that reality is used reports the control point.
6, method as claimed in claim 5 is characterized in that, the monitoring parameter that the control point issues to GGSN is flow size, duration or this pre-assigned expense.
7, a kind of GPRS (GPRS) intelligent network, comprise Serving GPRS Support Node (SGSN), business control function body (gsmSCF) and Service Switching Function entity (gsmSSF), it is characterized in that also comprising the Gateway GPRS Support Node (GGSN) that is superimposed with described gsmSSF, this GGSN and described gsmSCF set up control relation, and described SGSN and this GGSN pass through interface communication.
8, intelligent network as claimed in claim 7 is characterized in that, adopts the gn interface of standard between SGSN and the GGSN.
9, as claim 7 or 8 described intelligent networks, it is characterized in that, is CAMEL control relation or RADIUS control relation between GGSN and the gsmSCF.
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| CNA2004100021381A CN1642137A (en) | 2004-01-05 | 2004-01-05 | Method and system for realizing general packet wireless business intelligent network |
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| CNA2004100021381A CN1642137A (en) | 2004-01-05 | 2004-01-05 | Method and system for realizing general packet wireless business intelligent network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008040171A1 (en) * | 2006-09-25 | 2008-04-10 | Huawei Technologies Co., Ltd. | A method, system of circuit switching domain apperceiving multi-media session media information of ims domain |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008040171A1 (en) * | 2006-09-25 | 2008-04-10 | Huawei Technologies Co., Ltd. | A method, system of circuit switching domain apperceiving multi-media session media information of ims domain |
| CN101155173B (en) * | 2006-09-25 | 2011-11-09 | 华为技术有限公司 | Method and system for circuit field sensing IMS field multimedia conversation media information |
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