CN1315348C - Method for implementing intelligent service in general packet radio service (GPRS) system - Google Patents
Method for implementing intelligent service in general packet radio service (GPRS) system Download PDFInfo
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- CN1315348C CN1315348C CNB031565875A CN03156587A CN1315348C CN 1315348 C CN1315348 C CN 1315348C CN B031565875 A CNB031565875 A CN B031565875A CN 03156587 A CN03156587 A CN 03156587A CN 1315348 C CN1315348 C CN 1315348C
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Abstract
The present invention discloses a method for realizing an intelligent service in a general packet radio service (GPRS) system, which comprises the following steps: an SSF logic entity and intelligent service userinfo are arranged in a GGSN; after an attached GGSN receives a request message for a mobile terminal to send conversation connection (the request message is transmitted by the GGSN), the type and the affiliated SCP of a mobile terminal request are determined, and a request for triggering the intelligent service is sent to SCP; the SCP triggers a correspondent service logic, the GGSN and an SGSN respectively distribute resource for the mobile terminal, and the conversation connection is established; thereafter, the mobile terminal can carry out the intelligent service through the conversation connection, the GGSN carries out charging to the mobile terminal in a real-time way. In the method, because the GGSN of the attached network realizes the exchange function of the intelligent service, when mobile terminal roaming of the intelligent service is applied, the corresponding intelligent service can be realized without reference to whether a roaming network supports the exchange function of the intelligent service, the requirements for upgrading a large numbers of equipment when the intelligent service is carried out, and in addition, the present invention has the advantages of simple and reliable method.
Description
Technical field
The present invention relates to GPRS (GPRS) system and intelligent network field, be meant the method that in General Packet Radio Service System, realizes IN service especially.
Background technology
GPRS is a kind of system of information of transmitting and receive data on global system for mobile communications (GSM), and GPRS adopts packet-switch technology, can effectively utilize Internet resources, is suitable for aperiodic bursty data business better.
Intelligent network is on original communication network basis, and the complementary network structure that provides new business to be provided with fast is provided.Its purpose is to make the telecommunications operator that the user can be provided required all kinds of telecommunication services cost-effectively, makes the user to network stronger control ability be arranged, and can obtain required information easily and flexibly.The maximum characteristics of intelligent network are exchange and the separating of business, and promptly switch is only finished the most basic function that continues, and the formation of all value-added services all has another network layer to finish.Intelligent network mainly comprises Service Switching Point, Service Control Point, service data point (SDP), service management point (SMP), SMAP (SMAP) and ip intelligent peripherals (IP) etc.Wherein, SSP mainly finishes Service Switching Function, and the variety of event in calling out also may be hung calling out to the SCP report, waits for the further indication of SCP, and SCP finishes the service logic controlled function.And the part that SSP finishes Service Switching Function is called Service Switching Function (SSF) logic entity.
Intelligent network based on gprs system is called the GPRS intelligent network.As shown in Figure 1, the network configuration of GPRS intelligent network comprises SCP 102, attaching position register (HLR) 101, Serving GPRS Support Node (SGSN)/SSF 103, Gateway GPRS Support Node (GGSN) 104, wireless access network 105 and base station sub-system 106.As can be seen from the figure, the GPRS intelligent network is that SSF is arranged among the SGSN in the prior art, by SGSN finish and SCP between mutual, thereby realize IN service.
Referring to shown in Figure 2, realize that based on structure shown in Figure 1 the process of IN service is specific as follows:
After step 202, SGSN receive this session connection request, this portable terminal is carried out authentication, if authentication is passed through, then execution in step 203, if authentication is not passed through, this flow process is jumped out in then session connection failure.
After step 204, this SCP receive the request of step 203, trigger correspondent service logic, and, send the charging threshold value to SGSN according to the account information of this portable terminal.
After step 206, SGSN receive this response message,, notify this portable terminal session connection to set up then for this connects Resources allocation.
After this, this portable terminal carries out IN service by this session connection.And SGSN begins this portable terminal is chargeed, and concrete charging way can be carried out according to the flow of IN service, also can carry out according to the time of carrying out IN service.When the charging value surpasses the charging threshold value that last time, SCP issued, report charging report to SCP, and ask the charging threshold value once more.In the process of carrying out IN service, SGSN and the SCP detection of can also regularly shaking hands makes SGSN and SCP understand operating state mutually.
When mobile terminal roaming, the SGSN of the network of current place described in the above-mentioned steps 201 is the SGSN of access zone network.Because each SGSN only is responsible for the processing of IN service in this SGSN area, when the mobile terminal roaming of certain application IN service in other networks the time, realize IN service, then need SGSN in the access zone network to support the Service Switching Function of intelligent network equally, if do not support, then this portable terminal can't be realized IN service in this network.As, in GPRS intelligent network roaming scence shown in Figure 3, network A, B, C are GPRS network, belong to the different A of operator, B, C respectively, A of operator and the B of operator with in the network A and all SGSN upgrading in the network B, promptly increase the SSF logic entity respectively in SGSN, support IN service, and the C of operator does not upgrade the SGSN in the network C, so network C is not supported IN service.Certain portable terminal has been applied for IN service in network A.When this portable terminal is mobile in network A and B, can carry out normal IN service, and when it moves to network C, because the SGSN of this network does not support IN service, so this portable terminal also just can't be realized IN service.
In sum, in the prior art,, then require all SGSN of the whole network all will support the IN service function of exchange if make user's the whole network of application IN service can realize IN service Anywhere.And in fact,, make all SGSN of the whole network support that SSF functions are unlikely, so also just can't make the portable terminal of application IN service can both carry out IN service Anywhere at the whole network because the SGSN layout is relatively disperseed, quantity is more.So the method that prior art is carried out IN service can't satisfy the needs of user in the whole network roaming, this will have a strong impact on the development of GPRS IN service.
Summary of the invention
In view of this, main purpose of the present invention provides a kind of method that realizes IN service in General Packet Radio Service System, the portable terminal that makes the application IN service no matter whether roaming network supports the IN service function of exchange, can both carry out the IN service of being applied for when the whole network is roamed.
A kind of method of IN service that realizes in General Packet Radio Service System provided by the invention comprises:
A. in GGSN, set in advance Service Switching Function logic entity and intelligent service users information;
After B.SGSN receives the session connection request message of portable terminal transmission, with the ownership GGSN of this session connection request forwards to this portable terminal;
C. described ownership GGSN is according to described intelligent service users information, judge whether this portable terminal is intelligent service users, if, determine the IN service type and the affiliated service control point (SCP) of this mobile terminal request, and send the request of trigger intelligent business to this SCP, execution in step D then, otherwise, this session connection request is activated processing as common GPRS user, method ends;
D. after described SCP receives the request of this trigger intelligent business, trigger service logic, described ownership GGSN and described SGSN are respectively this portable terminal Resources allocation, and session connection is set up; Described portable terminal carries out IN service by this session connection, and described ownership GGSN charges to this portable terminal simultaneously.
The logic entity of Service Switching Function described in the steps A is arranged on GGSN inside, or is arranged on the GGSN outside.
The GGSN of ownership described in the step C can determine the IN service type of this mobile terminal request according to the user profile in the described session connection request message.
User profile described in the step C can comprise international mobile subscriber identification IMSI and the international identifier MISSDN of travelling carriage.
SCP under the GGSN of ownership described in the step C can determine according to the access zone network information in the described session connection request message.
The information of access zone network described in the step C can be APN APN.
Step B may further include:
Described SGSN carries out authentication to this portable terminal, if authentication pass through, then with this session connection request forwards to described ownership GGSN, otherwise session connection is failed, method ends.
After step D triggers service logic, and before carrying out IN service, may further include:
D11, described SCP judge whether the pairing account balance of this portable terminal is enough, if enough, then determine the charging threshold value according to account balance information, and with determined charging threshold notification ownership GGSN, otherwise, the session connection failure; This method may further include:
D12, described ownership GGSN charge to this portable terminal, when the charging value surpasses described charging threshold value, report charging report to described SCP;
D13, described SCP are according to this charging report, and pairing account deducts fees to this portable terminal, and then determine the charging threshold value according to account balance, and with the described ownership of determined charging threshold notification GGSN, execution in step D12 then.
Described charging is to add up according to the flow that this portable terminal carries out IN service, or adds up according to the time that this portable terminal carries out IN service.
Carry out in the process of IN service at step D, this method may further include:
Carry out the timing survival detection of shaking hands between D2, described ownership GGSN and the described SCP.
Carry out in the process of IN service at step D, this method may further include:
D31, SGSN receive that this portable terminal sends go connection request message after, with this forwards to described ownership GGSN;
D32, described ownership GGSN report charging report and go the connection event report to SCP; After SCP received this charging report and goes the connection event report, pairing account deducted fees to this portable terminal, and sends the response message that discharges this connection to GGSN;
After D33, described ownership GGSN receive this response message, be released to the resource that this connection distributes, and go connection response to described SGSN transmission;
After D34, described SGSN receive this response message, be released to the resource that this connection distributes, notify portable terminal to go successful connection then.
The present invention is arranged on the SSF logic entity among the GGSN, when applying for the mobile terminal roaming of IN service, by the SSF realization IN service function of exchange of ownership GGSN, and then makes portable terminal realize corresponding IN service.This method is owing to utilize the GGSN of home network to realize the IN service function of exchange, so that the application IN service mobile terminal roaming the time, no matter whether roaming network supports the IN service function of exchange, can both realize corresponding IN service, avoided the requirement of upgrading large number quipments when carrying out IN service, and method is simple, reliable.
Description of drawings
Fig. 1 is an intelligent network structural representation in the prior art;
Fig. 2 is the triggering schematic flow sheet of prior art GPRS IN service;
Fig. 3 is a GPRS intelligent network roaming scence schematic diagram in the prior art;
Fig. 4 is an intelligent network structural representation of the present invention;
Fig. 5 realizes the schematic flow sheet of IN service for the present invention;
Fig. 6 realizes the specific embodiment schematic diagram of IN service for the present invention;
Fig. 7 realizes the schematic flow sheet that removes connection procedure of IN service for the present invention.
Embodiment
Core content of the present invention is: increase the SSF logic entity on GGSN, form the Gateway GPRS Support Node with IN service function of exchange, mutual by between GGSN/SSF and the SCP realizes covering the GPRS IN service of the whole network.
Referring to shown in Figure 4, the network configuration of GPRS intelligent network of the present invention comprises SCP 402, HLR401, SGSN 403, GGSN/SSF 404, wireless access network 405 and base station sub-system 406.Portable terminal sends session connection request by wireless access network to the SGSN of place network, and the SGSN of place network is forwarded to this request among the ownership GGSN of this portable terminal, by ownership GGSN finish and SCP between service interaction, and then realize IN service.
Referring to shown in Figure 5, realize that method of the present invention may further comprise the steps:
Step 501, in GGSN, set in advance SSF logic entity and intelligent service users information.
Step 502, after SGSN receives the session connection request message of carrying user profile and visited network information that portable terminal sends, this portable terminal is carried out authentication, if authentication is passed through, then execution in step 503, otherwise this flow process is jumped out in the session connection failure.
Step 503, SGSN transmit this session connection request to the ownership GGSN of this portable terminal, after ownership GGSN receives this session connection request message, judge according to the intelligent service users information of self preserving whether this portable terminal has applied for this IN service, if apply for, according to user profile and visited network information wherein, determine the IN service type and the affiliated SCP of this mobile terminal request, and transmission triggers the request of this IN service to this SCP, otherwise, jump out this flow process, this session connection request is activated processing as common GPRS user.
After step 504, this SCP receive the request of this trigger intelligent business, trigger correspondent service logic, notify this portable terminal session connection to set up by GGSN then.
Set up after the session connection, the user can carry out normal IN service by this connection.And carry out in the process at IN service, can also carry out the timing detection of shaking hands between GGSN and the SCP, to guarantee under the normal situation of the state of GGSN and SCP, this business being carried out correct charging.
Describe technical scheme of the present invention in detail below in conjunction with the drawings and specific embodiments.
Referring to shown in Figure 6, present embodiment realizes that the concrete steps of IN service are as follows:
Step 601, portable terminal send the connection request message of carrying APN (APN), international mobile subscriber identification (IMSI) and international identifier (MSISDN) parameter of travelling carriage to the SGSN of current place network.
After step 602～603, SGSN receive this connection request, according to the user profile of preserving among IMSI and MSISDN and the HLR this portable terminal is carried out authentication, if pass through authentication, then with the ownership GGSN of connection request forwards to this portable terminal, execution in step 604 then, if not by authentication, then notify this portable terminal session connection failure, jump out this flow process.
Step 604～605, after this ownership GGSN receives this connection request message, judge according to the intelligent service users information of self preserving whether this portable terminal is the application intelligent service users, if, according to APN in this message, session parameter such as IMSI and MSISDN, select corresponding IN service key, and according to the definite affiliated SCP address of Mobile Subscriber International ISDN Number, send the request of initialization DP point to this SCP address then, send the corresponding service logic of the described IN service key of startup to this SCP, otherwise, jump out this flow process, this session connection request is activated processing as common GPRS user.
Here, because therefore the corresponding a kind of IN service type of IN service key, selects the IN service key can select needed IN service type.
After step 606～607, this SCP receive the request of trigger intelligent business type, trigger described IN service key corresponding service logic, return the response of GPRS DP point.
And the triggering mode of described IN service key can be that APN, IMSI or MSISDN trigger, and specifically adopts which kind of triggering mode to set in advance decision according to operator.
Step 608, SCP determine the charging threshold value according to the pairing account balance situation of this portable terminal, and should charging threshold notification GGSN, indicate the flow maximum or the maximum duration of this IN service.
Step 609, SCP issue and continue to activate response message.
After step 610～613, GGSN receive step 604,605,606 message that send, think that this IN service monitors successfully, be this session connection distributing corresponding system resources then, and this IN service of notice SGSN is monitored successfully, after SGSN receives this notice, for this connects distributing corresponding system resources, session connection this moment is set up, and SGSN notifies this portable terminal session connection to set up.
After session connection was set up, this portable terminal can carry out IN service.In carrying out the IN service process, to carry out regularly the survival detection of shaking hands between GGSN and the SCP.And GGSN and SCP need monitor in real time to the IN service that this portable terminal carries out.GGSN charges to this portable terminal in real time, in case the charging value of this portable terminal has reached the charging threshold value that SCP issues, GGSN will report charging report, and to SCP Apply Charging threshold value again.SCP is according to this charging report, pairing account deducts fees to this portable terminal, and then determine the charging threshold value according to the account balance information of this portable terminal, and with the described ownership of determined charging threshold notification GGSN, described ownership GGSN then restarts the IN service that this portable terminal carries out is chargeed.Certainly, this GGSN can add up according to the flow of IN service, also can add up according to the time of carrying out IN service, and this process goes on always, stops session up to the user.
Referring to shown in Figure 7, utilize method of the present invention to go the process that connects as follows:
Step 701, portable terminal send to SGSN and go connection request message.
After step 702, SGSN receive that this goes connection request message, forward it to the ownership GGSN of this portable terminal.
After step 703～704, this ownership GGSN receive that this removes connection request, report the charging report of this portable terminal, and send to SCP and to go the connection event report to SCP.
Step 705～706, this SCP deduct fees to corresponding account according to charging report after receiving charging report and going connection event report, send to described ownership GGSN then and remove the response message that connects;
After step 707～708, described ownership GGSN receive the response message of this release connection, be released to the resource that this session connection distributes, return connection response message to SGSN then.
Step 709～710, SGSN receive going after the connection response message of described ownership GGSN, discharge from as the resource that this session connection distributed, and return connection response message to portable terminal then, connect to discharge to finish.
By said process as can be seen, in the process of carrying out IN service, all roamers' access all will insert the GPRS intelligent network by ownership GGSN, therefore as long as ownership GGSN realizes the SSF function, just can realize monitoring to all IN services of roaming place, and all SGSN and the HLR of the whole network that no longer needs to upgrade.Compare with the network configuration of prior art, adopt the present invention to realize that IN service can simplify the network configuration and the device requirement of GPRS intelligent network greatly.
In addition, in practical operation, the SSF logic entity can be embedded in GGSN inside, also the SSP that comprises the SSF logic entity can be arranged on the GGSN outside.When GGSN can't upgrade or be not easy to the function expansion, place a SSP functional entity by the outside, can realize monitoring function to the GPRS IN service.At this moment, the interface between GGSN and the SSP can adopt the RADIUS interface of expansion.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1, a kind of method that realizes IN service in General Packet Radio Service System is characterized in that this method may further comprise the steps:
A. in GGSN, set in advance Service Switching Function logic entity and intelligent service users information;
After B.SGSN receives the session connection request message of portable terminal transmission, with the ownership GGSN of this session connection request forwards to this portable terminal;
C. described ownership GGSN is according to described intelligent service users information, judge whether this portable terminal is intelligent service users, if, determine the IN service type and the affiliated service control point (SCP) of this mobile terminal request, and send the request of trigger intelligent business to this SCP, execution in step D then, otherwise, this session connection request is activated processing as common GPRS user, method ends;
D. after described SCP receives the request of this trigger intelligent business, trigger service logic, described ownership GGSN and described SGSN are respectively this portable terminal Resources allocation, and session connection is set up; Described portable terminal carries out IN service by this session connection, and described ownership GGSN charges to this portable terminal simultaneously.
2, method according to claim 1 is characterized in that, the logic entity of Service Switching Function described in the steps A is arranged on GGSN inside, or is arranged on the GGSN outside.
3, method according to claim 1 is characterized in that, the GGSN of ownership described in the step C is an IN service type of determining this mobile terminal request according to the user profile in the described session connection request message.
4, method according to claim 1 is characterized in that, the GGSN of ownership described in the step C is SCP under determining according to the access zone network information in the described session connection request message.
5, method according to claim 3 is characterized in that, user profile described in the step C comprises international mobile subscriber identification IMSI and the international identifier MISSDN of travelling carriage.
6, method according to claim 4 is characterized in that, the information of access zone network described in the step C is APN APN.
7, method according to claim 1 is characterized in that, step B further comprises:
Described SGSN carries out authentication to this portable terminal, if authentication pass through, then with this session connection request forwards to described ownership GGSN, otherwise session connection is failed, method ends.
8, method according to claim 1 is characterized in that, after step D triggers service logic, and before carrying out IN service, further comprises:
D11, described SCP judge whether the pairing account balance of this portable terminal is enough, if enough, then determine the charging threshold value according to account balance information, and with determined charging threshold notification ownership GGSN, otherwise, the session connection failure;
Then carry out in the process of IN service at step D, this method further comprises:
D12, described ownership GGSN charge to this portable terminal, when the charging value surpasses described charging threshold value, report charging report to described SCP;
D13, described SCP are according to this charging report, and pairing account deducts fees to this portable terminal, and then determine the charging threshold value according to account balance, and with the described ownership of determined charging threshold notification GGSN, execution in step D12 then.
9, method according to claim 1 is characterized in that, described charging is to add up according to the flow that this portable terminal carries out IN service, or adds up according to the time that this portable terminal carries out IN service.
10, method according to claim 1 is characterized in that, carries out in the process of IN service at step D, and this method further comprises:
Carry out the timing survival detection of shaking hands between D2, described ownership GGSN and the described SCP.
11, method according to claim 1 is characterized in that, carries out in the process of IN service at step D, and this method also further comprises:
D31, SGSN receive that this portable terminal sends go connection request message after, with this forwards to described ownership GGSN;
D32, described ownership GGSN report charging report and go the connection event report to SCP; After SCP received this charging report and goes the connection event report, pairing account deducted fees to this portable terminal, and sends the response message that discharges this connection to GGSN;
After D33, described ownership GGSN receive this response message, be released to the resource that this connection distributes, and go connection response to described SGSN transmission;
After D34, described SGSN receive this response message, be released to the resource that this connection distributes, notify portable terminal to go successful connection then.
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| CNB031565875A CN1315348C (en) | 2003-09-09 | 2003-09-09 | Method for implementing intelligent service in general packet radio service (GPRS) system |
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| CNB031565875A CN1315348C (en) | 2003-09-09 | 2003-09-09 | Method for implementing intelligent service in general packet radio service (GPRS) system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1872610B1 (en) * | 2005-04-19 | 2013-04-03 | Qualcomm Incorporated | Connection failure reporting in wireless communication systems |
| CN100370734C (en) * | 2006-03-13 | 2008-02-20 | 华为技术有限公司 | WAP service charging method |
| CN101047971B (en) * | 2006-04-06 | 2010-04-14 | 华为技术有限公司 | Method for trigging intelligent service at attatching area when intelligent user roaming |
| CN101102191B (en) * | 2006-07-04 | 2010-12-08 | 华为技术有限公司 | Method for identifying the style of secret key request service in general authentication framework |
| CN101212725B (en) * | 2006-12-28 | 2010-12-22 | 华为技术有限公司 | Session billing method, system, and device |
| CN105722138B (en) * | 2014-12-03 | 2019-01-08 | 中国移动通信集团公司 | A kind of method for processing business and transaction processing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331532A (en) * | 2000-06-30 | 2002-01-16 | 华为技术有限公司 | Universal packet wireless service network system with intelligent service switch function |
| WO2003001784A2 (en) * | 2001-06-25 | 2003-01-03 | Siemens Aktiengesellschaft | Method and devices and software programs for correlating data sets |
| EP1303121A1 (en) * | 2001-10-15 | 2003-04-16 | Agilent Technologies, Inc. (a Delaware corporation) | Monitoring usage of telecommunications services |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331532A (en) * | 2000-06-30 | 2002-01-16 | 华为技术有限公司 | Universal packet wireless service network system with intelligent service switch function |
| WO2003001784A2 (en) * | 2001-06-25 | 2003-01-03 | Siemens Aktiengesellschaft | Method and devices and software programs for correlating data sets |
| EP1303121A1 (en) * | 2001-10-15 | 2003-04-16 | Agilent Technologies, Inc. (a Delaware corporation) | Monitoring usage of telecommunications services |
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