CN1571529A - A method of user terminal identification for service server - Google Patents
A method of user terminal identification for service server Download PDFInfo
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- CN1571529A CN1571529A CN 03146054 CN03146054A CN1571529A CN 1571529 A CN1571529 A CN 1571529A CN 03146054 CN03146054 CN 03146054 CN 03146054 A CN03146054 A CN 03146054A CN 1571529 A CN1571529 A CN 1571529A
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Abstract
This invention discloses a method of identifying subscriber terminal by business server. Identifications (SGSN-ID) that corresponding to wireless group data service supporting node (SGSN) are allocated. Temporary subscriber identifications are allocated to subscribers that belong to SGSN by SGSN. Coincidence relation of temporary subscriber identifications and international mobile subscriber identification are saved. Temporary customer identifications and SGSN-ID is sent to subscriber terminal. The corresponding relation and the SGSN-ID are sent to business server and the messages that sent to the server are saved in subscriber identification corresponding relational table. The server gets subscriber terminal's IMSI from the table according to the temporary customer identifications and SGSN-ID in the message after receiving the request message that includes temporary customer identifications and SGSN-ID and then response messages are returned to the subscriber. This invention can make the business server to communicate with subscriber terminal by temporary subscriber identifications and SGSN-ID, and reduces the danger of transmission in the wireless network.
Description
Technical field
The present invention relates to the user recognition technology in the wireless communication field, relate to the method for service server identification user terminal or rather.
Background technology
In wireless communication field, network is discerned each user by user ID, and each user has an IMSI International Mobile Subscriber Identity (IMSI), and this sign is globally unique permanent sign, and network is promptly judged user's identity by identification IMSI.
In general packet radio service (GPRS) and third generation partner program (3GPP) network, when wireless packet data serving GPRS support node (SGSN) communicated with user terminal, user terminal needed often to transmit IMSI to SGSN.IMSI has increased its possibility that is stolen greatly in the frequent transmission of radio channel, for addressing this problem, industry has proposed to divide the scheme that is used in the casual user's sign that replaces IMSI by SGSN at present, makes SGSN and user terminal can use this casual user's sign to communicate.
Specifically, SGSN can distribute the casual user to identify for its all users that manage, and the corresponding relation of storage casual user sign and permanent user ID IMSI.By such distribution, casual user's sign that user terminal among the SGSN can use SGSN to distribute is communicated by letter with SGSN, after SGSN receives that the casual user identifies, can find the IMSI of this user terminal according to this casual user's sign, thereby avoid the frequent transmission of IMSI.And dangerous if SGSN thinks that the casual user of certain user terminal identifies, the casual user that then can change this user identifies.
By SGSN unified distribution casual user sign, the casual user of all user terminals sign has nothing in common with each other among this SGSN.But SGSN can not interfere other SGSN to distribute the situation of casual users' sign, and therefore the casual user among the different SGSN identifies possible identical.
In the 3GPP network, increased and be used for independent providing specially service server for user terminal to business service.In the structural representation of service server shown in Figure 1 101, SGSN102 and user terminal 103, service server 101 can carry out bottom-layer network with user terminal 103 by SGSN102 communicates by letter, and also can carry out the applied business layer with user terminal 103 and communicate by letter by SGSN102 transparent forwarding message.If service server and user terminal directly adopt IMSI to communicate, then also can be owing to IMSI has increased its possibility that is stolen greatly in the frequent transmission of radio channel.In view of the situation, also use the casual user to identify when needing service server and user terminal to communicate, but because the user terminal among the different SGSN may have identical casual user's sign, therefore can cause service server to discern communicate with which user terminal.
In sum, existing scheme identifies the problem that IMSI may be stolen when having solved SGSN and user terminal communication by the casual user is set, when but service server adopts casual user's sign to communicate with user terminal, may can't discern the user terminal of needs communication owing to there being identical casual user's sign among the different SGSN.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method of service server identification user terminal, when the casual user's sign that makes service server use SGSN to distribute communicates with user terminal, can correctly discern user terminal.
For reaching above purpose, technical scheme of the present invention is achieved in that a kind of method of service server identification user terminal, and this method may further comprise the steps:
A. dispose each pairing sign of wireless packet data serving GPRS support node (SGSN) (SGSN-ID);
B.SGSN distributes casual user's sign for its user terminal of having jurisdiction over, and the corresponding relation of preservation casual user sign and IMSI International Mobile Subscriber Identity (IMSI), casual user's sign of being distributed is sent to user terminal, corresponding relation and the SGSN-ID of self with the casual user that distributed sign and IMSI is notified to service server simultaneously, and service server is preserved the information of receiving;
C. after service server receives that user terminal comprises the request message of casual user sign and place SGSN-ID, obtain the IMSI of user terminal, and return response message to this user terminal according to the sign of the casual user in this message and SGSN-ID.
Further comprise before the described step c, user terminal send to service server comprise casual user's sign request message at the communication bottom when SGSN transmits, SGSN is attached to oneself SGSN-ID and sends to service server in the request message.
Among the described step b, SGSN sends to user terminal with the casual user's sign and the SGSN-ID of user terminal, and the request message that user terminal will comprise casual user's sign and SGSN-ID sends to service server, and SGSN does not process when bottom is transmitted.
Further may further comprise the steps among the described step c:
C1. whether service server judging finds the IMSI of this user terminal in the user ID mapping table, if find, then returns response message to this user terminal, and end process, otherwise, enter step c2;
C2. service server sends the query messages that comprises this user terminal casual user sign to this user terminal place SGSN;
C3.SGSN judges whether to find the IMSI of this user terminal, if find, then the IMSI that finds is sent to service server, service server is kept at this IMSI in the user ID mapping table, and send response message to user terminal according to this IMSI, if do not find, then SGSN sends the notification message that does not find IMSI to service server, and service server sends to user terminal notifies it to use the response message of IMSI communication.
Among the described step a, be all SGSN unified distribution SGSN-ID of all subordinaties of operator.
Described SGSN-ID comprises operator's identification division and SGSN identification division.
Among the described step a, be a subordinate's of operator SGSN unified distribution SGSN-ID,
Then described step a further comprises, for each operator distributes carrier ID, and this carrier ID is notified to the SGSN that it is had jurisdiction over,
Among the described step b, SGSN preserves carrier ID, and this carrier ID sent to user terminal and service server, service server is kept at this carrier ID in the user ID mapping table, further comprises carrier ID in the user terminal requests message of described step c.
This method can further include, after casual user's sign of described SGSN change user terminal, preserve this new casual user sign, and this new casual user sign is sent to this user terminal and service server, service server upgrades its casual user who preserves sign.
Described SGSN sends to service server with new casual user's sign with old casual user's sign and the SGSN-ID of self, and service server identifies with the old casual user of new casual user's identification renewal.
Described service server is kept at the information of receiving in the user ID mapping table.
The present invention program is by being provided with ID for SGSN, and the casual user who preserves user terminal in service server identifies and the corresponding relation of IMSI, and the ID of this user terminal place SGSN, service server can be communicated by letter by casual user's sign and SGSN-ID with user terminal, when having reduced operation layer communication, IMSI transmits the danger that is brought in wireless network, and the present invention is based on original mechanism, influence to original system is very little, and realizes easily.
Description of drawings
Fig. 1 is the structural representation of service server, SGSN and user terminal;
Fig. 2 identifies the message flow sequential chart of communicating by letter for the present invention program realizes service server with user terminal by the casual user;
Fig. 3 identifies the flow chart of communicating by letter for the present invention program realizes service server with user terminal by the casual user.
Embodiment
Below in conjunction with drawings and the specific embodiments the present invention program is described in further detail.
The message flow of the present invention program SGSN, service server and user terminal is referring to Fig. 2, and its corresponding realization flow is referring to Fig. 3, and the present invention program realizes by following steps:
In the step 304, if service server does not find corresponding IMSI in the user ID mapping table of oneself, then can send the query messages of the pairing IMSI of this user terminal of inquiry to SGSN, casual user's sign that should comprise this user terminal in this query messages, if the IMSI of this user terminal is arranged among the SGSN, then the IMSI of this user terminal is sent to service server with self SGSN-ID, service server is determined user terminal according to this IMSI, and this IMSI is kept in the user ID mapping table, if the IMSI of this user terminal not among the SGSN, then can send the response message that does not find corresponding IMSI to service server, after service server is received this response message, return the response message that requires user terminal to use IMSI to communicate to user terminal.
Above scheme is carried out situation that bottom-layer network communicate by letter with user terminal by SGSN at service server, because SGSN can send to the SGSN-ID that increases self in the request message of service server at user terminal, therefore user terminal can send the request message that only comprises casual user's sign to service server, SGSN-ID is added by SGSN, certainly, user terminal also can directly send the request message that comprises casual user's sign and SGSN-ID to service server, SGSN does not do other processing to this request message, only this request message is transmitted to service server.If what service server and user terminal carried out is that operation layer is communicated by letter, then SGSN can only transmit user terminal requests message, in this case, needs user terminal that the ID of casual user's sign and SGSN is sent to service server together.
Among the present invention program, if SGSN-ID just distributes in operator's scope, then the SGSN-ID of different operators just may be identical, in this case, carrier ID need be set, user terminal is by carrier ID, SGSN-ID, casual user's mark for marking oneself, to solve user terminal when the different operators netsurfing, can't identify the problem of communicating by letter with service server by the casual user because of the SGSN-ID in the different operators may repeat to cause user terminal.
If SGSN-ID distributes unitedly in all operator's scopes, can be set to comprise the sign of this SGSN and the sign of place operator thereof by SGSN-ID, such as, the number of SGSN-ID is divided into two parts, a preceding part is represented operator, and a back part is represented concrete SGSN number, does not so then need independent carrier ID, all SGSN-ID can not repeat, and can find out promptly by this SGSN-ID which operator this SGSN belongs to.
If it is dangerous that SGSN finds that the casual user of certain user terminal identifies, then change casual user's sign of this user terminal correspondence, and the sign of the casual user after will changing sends to service server, service server upgrades the user ID mapping table that it is preserved after receiving this new casual user sign.Specifically, can send new casual user's sign, self SGSN-ID and IMSI to service server by SGSN, service server indexes old casual user's sign according to SGSN-ID and IMSI from the user ID mapping table, and identifies casual user's sign old in the substitution list with new casual user.Can also adopt another kind of method to handle, owing to there has been old casual user's sign in the user ID mapping table of service server, therefore when the renewal casual user identifies, can be with new casual user's sign, the ID of old casual user's sign and SGSN self sends to service server together, service server identifies to the old casual user in the user ID mapping table according to SGSN-ID and old casual user's identification index, and identify with new casual user and to replace this old casual user sign, this method is compared with preceding a kind of method does not need to transmit IMSI, is the present invention program's preferred embodiment therefore.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (10)
1, a kind of method of service server identification user terminal is characterized in that this method may further comprise the steps:
A. dispose each pairing sign of wireless packet data serving GPRS support node (SGSN) (SGSN-ID);
B.SGSN distributes casual user's sign for its user terminal of having jurisdiction over, and the corresponding relation of preservation casual user sign and IMSI International Mobile Subscriber Identity (IMSI), casual user's sign of being distributed is sent to user terminal, corresponding relation and the SGSN-ID of self with the casual user that distributed sign and IMSI is notified to service server simultaneously, and service server is preserved the information of receiving;
C. after service server receives that user terminal comprises the request message of casual user sign and place SGSN-ID, obtain the IMSI of user terminal, and return response message to this user terminal according to the sign of the casual user in this message and SGSN-ID.
2, method according to claim 1, it is characterized in that further comprising before the described step c, user terminal send to service server comprise casual user's sign request message at the communication bottom when SGSN transmits, SGSN is attached to oneself SGSN-ID and sends to service server in the request message.
3, method according to claim 1, it is characterized in that among the described step b, SGSN sends to user terminal with the casual user's sign and the SGSN-ID of user terminal, the request message that user terminal will comprise casual user's sign and SGSN-ID sends to service server, and SGSN does not process when bottom is transmitted.
4, method according to claim 1 is characterized in that further may further comprise the steps among the described step c:
C1. whether service server judging finds the IMSI of this user terminal in the user ID mapping table, if find, then returns response message to this user terminal, and end process, otherwise, enter step c2;
C2. service server sends the query messages that comprises this user terminal casual user sign to this user terminal place SGSN;
C3.SGSN judges whether to find the IMSI of this user terminal, if find, then the IMSI that finds is sent to service server, service server is kept at this IMSI in the user ID mapping table, and send response message to user terminal according to this IMSI, if do not find, then SGSN sends the notification message that does not find IMSI to service server, and service server sends to user terminal notifies it to use the response message of IMSI communication.
5, method according to claim 1 is characterized in that among the described step a, is all SGSN unified distribution SGSN-ID of all subordinaties of operator.
6, method according to claim 5 is characterized in that, described SGSN-ID comprises operator's identification division and SGSN identification division.
7, method according to claim 1 is characterized in that among the described step a, is a subordinate's of operator SGSN unified distribution SGSN-ID,
Then described step a further comprises, for each operator distributes carrier ID, and this carrier ID is notified to the SGSN that it is had jurisdiction over,
Among the described step b, SGSN preserves carrier ID, and this carrier ID sent to user terminal and service server, service server is kept at this carrier ID in the user ID mapping table, further comprises carrier ID in the user terminal requests message of described step c.
8, method according to claim 1, it is characterized in that, this method further comprises, after casual user's sign of described SGSN change user terminal, preserve this new casual user sign, and this new casual user sign sent to this user terminal and service server, service server upgrades its casual user who preserves sign.
9, method according to claim 8, it is characterized in that, described SGSN sends to service server with new casual user's sign with old casual user's sign and the SGSN-ID of self, and service server identifies with the old casual user of new casual user's identification renewal.
10, method according to claim 1 is characterized in that, described service server is kept at the information of receiving in the user ID mapping table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031460542A CN100499897C (en) | 2003-07-15 | 2003-07-15 | A method of user terminal identification for service server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031460542A CN100499897C (en) | 2003-07-15 | 2003-07-15 | A method of user terminal identification for service server |
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| Publication Number | Publication Date |
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| CN1571529A true CN1571529A (en) | 2005-01-26 |
| CN100499897C CN100499897C (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031460542A Expired - Fee Related CN100499897C (en) | 2003-07-15 | 2003-07-15 | A method of user terminal identification for service server |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100420333C (en) * | 2005-02-02 | 2008-09-17 | 华为技术有限公司 | Method for repositioning between support nodes in service general group wireless business |
| CN100433910C (en) * | 2005-05-12 | 2008-11-12 | 中兴通讯股份有限公司 | Method for protecting mobile terminal identity in mobile communication system |
| CN100466836C (en) * | 2007-01-30 | 2009-03-04 | 华为技术有限公司 | A verification method, device and communication system for the identification code of the temporary mobile user |
| WO2010040259A1 (en) * | 2008-10-10 | 2010-04-15 | 上海贝尔阿尔卡特股份有限公司 | Method and apparatus for providing user of communication terminal with identity confidentiality protection |
| WO2014032552A1 (en) * | 2012-08-31 | 2014-03-06 | 中兴通讯股份有限公司 | Method and device for processing d2d equipment identification |
-
2003
- 2003-07-15 CN CNB031460542A patent/CN100499897C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100420333C (en) * | 2005-02-02 | 2008-09-17 | 华为技术有限公司 | Method for repositioning between support nodes in service general group wireless business |
| CN100433910C (en) * | 2005-05-12 | 2008-11-12 | 中兴通讯股份有限公司 | Method for protecting mobile terminal identity in mobile communication system |
| CN100466836C (en) * | 2007-01-30 | 2009-03-04 | 华为技术有限公司 | A verification method, device and communication system for the identification code of the temporary mobile user |
| WO2010040259A1 (en) * | 2008-10-10 | 2010-04-15 | 上海贝尔阿尔卡特股份有限公司 | Method and apparatus for providing user of communication terminal with identity confidentiality protection |
| CN102124767A (en) * | 2008-10-10 | 2011-07-13 | 上海贝尔股份有限公司 | Method and apparatus for providing user of communication terminal with identity confidentiality protection |
| CN102124767B (en) * | 2008-10-10 | 2017-03-15 | 上海贝尔股份有限公司 | A kind of method and apparatus for providing identity Confidentiality protection for user of communication terminal |
| WO2014032552A1 (en) * | 2012-08-31 | 2014-03-06 | 中兴通讯股份有限公司 | Method and device for processing d2d equipment identification |
| CN103686718A (en) * | 2012-08-31 | 2014-03-26 | 中兴通讯股份有限公司 | D2D (Device-to-Device) device identification label processing method and D2D device identification label processing device |
| US9538357B2 (en) | 2012-08-31 | 2017-01-03 | Zte Corporation | Method and apparatus for processing D2D device identity |
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| Publication number | Publication date |
|---|---|
| CN100499897C (en) | 2009-06-10 |
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Granted publication date: 20090610 Termination date: 20130715 |