CN101640872A - Method for updating user location information - Google Patents
Method for updating user location information Download PDFInfo
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- CN101640872A CN101640872A CN200810135397A CN200810135397A CN101640872A CN 101640872 A CN101640872 A CN 101640872A CN 200810135397 A CN200810135397 A CN 200810135397A CN 200810135397 A CN200810135397 A CN 200810135397A CN 101640872 A CN101640872 A CN 101640872A
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- position information
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Abstract
The invention discloses a method for updating user location information. The method comprises the following steps that: a visit location register VLR in which a user is to stay sends an authenticationrequest to a home location register HLR, wherein the authentication request carries the user location information; after receiving the authentication request, the HLR compares whether the user location information carried in the authentication request and user location information stored in the HLR are consistent; and if the user location information carried in the authentication request and theuser location information stored in the HLR are not consistent, the user location information carried in the authentication request is used to update the user location information stored in the HLR. Under the condition of not significantly increasing network bandwidth and processing load of the VLR and the HLR, the method for updating the user location information can correct the problem that theuser location information registered in the HLR and the actual user location information are not consistent in time to ensure normal operation of services. At the same time, an authentication requestmessage completes the function of registration request, and network communication bandwidth is reduced. The method for updating the user location information can also be applied to other mobile communication systems.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of method of upgrading customer position information.
Background technology
Figure 1 shows that CDMA (Code Division Multiple Access, the digital cdma wireless technology) network architecture of system, in cdma system, when travelling carriage (user) from a VLR (Visitor Location Register, Visited Location Registor; Be called VLRa), (be called: in the time of VLRb), VLRb will register the positional information of this travelling carriage to HLR (Home Location Register, attaching position register) to roam into another VLR.
Figure 2 shows that the flow process of registration location information, comprise the steps:
Step 201: after travelling carriage roams into VLRb from VLRa, send position updating request to VLRb;
After step 202:VLRb receives position updating request, inquire about the CAMEL-Subscription-Information of himself whether preserving this user, if preserved this user's CAMEL-Subscription-Information, then execution in step 203; If do not preserve this user's CAMEL-Subscription-Information, then execution in step 204;
Step 203:VLRb thinks that this user is that portion carries out the position renewal within it, sends the position to travelling carriage and upgrades response, does not initiate the registration location information flow to HLR, end;
Step 204:VLRb sends the registration request to HLR, initiates the registration location information flow;
Carry VLRb information in registration request, it comprises that VLRb sign, VLRb ability information and other need notify the lastest imformation of HLR.
After step 205:HLR receives the registration request, send registration cancellation request to VLRa;
Step 206:VLRa deletes this user's who is preserved CAMEL-Subscription-Information after receiving registration cancellation request, and returns registration cancellation response to HLR;
After step 207:HLR receives registration cancellation response, use this user position information of its preservation of VLRb information updating, i.e. VLRa information;
Step 208: simultaneously, HLR returns register response to VLRb, carries user's CAMEL-Subscription-Information and HLR sign etc. in register response;
After step 209:VLRb receives register response, upgrade response, finish registering flow path to the travelling carriage home position.
As shown in Figure 3, for to the in-problem note of above-mentioned flow process; Wherein,
Step 301-step 305 is identical with step 201-step 205;
HLR sends registration to VLRa and cancels request, after VLRa receives registration cancellation request, may delete user's CAMEL-Subscription-Information owing to reasons such as faults itself fail, and this moment, VLRa returned registration cancellation failure response to HLR; Also might cause VLRa to fail and receive the registration cancellation request that HLR sends,, and produce overtime to such an extent as to HLR can't receive the response message that VLRa returns because the communication link between HLR and the VLRa breaks down.
Step 306:VLRa does not successfully delete user's CAMEL-Subscription-Information after receiving registration cancellation request, returns registration cancellation failure response to HLR; Or HLR sends registration cancellation request failure to VLRa, and HLR does not receive the response message that VLRa returns, wait timeout;
After step 307:HLR receives registration cancellation failure response or wait timeout, use this user position information of its preservation of VLRb information updating, i.e. VLRa information;
Step 308-step 309 is identical with step 208-step 209;
Step 310: after travelling carriage is got back to VLRa from the VLRb roaming once more, send position updating request to VLRa;
After step 311:VLRa received position updating request, whether inquiry preserved this user's CAMEL-Subscription-Information, and inquires the CAMEL-Subscription-Information of preserving the user;
Step 312:VLRa sends the position to travelling carriage and upgrades response, finishes.
The subject matter that above-mentioned flow process exists is, in step 308, after VLRb receives register response, all preserves user's CAMEL-Subscription-Information in VLRa and VLRb.
The user is once more when VLRa is got back in VLRb roaming, in step 311, owing to still preserve user's CAMEL-Subscription-Information (not deleting) among the VLRa owing to abnormal conditions, it is after the position updating request that receives the travelling carriage transmission, can not initiate the registration location information flow to HLR, upgrade response but directly send the position to VLRa, thus the information that remains the VLRb that this user roamed out that causes in HLR, preserving, to such an extent as to this user's business such as called can't normally be carried out.
In order to address this problem, existing solution is respectively:
1, HLR attempts repeatedly retransmitting registration cancellation request to this VLR after the VLR that the user roams out sends registration cancellation request failure;
2, VLR regular check User Status, if find certain user in a period of time without any activity, then delete this user's CAMEL-Subscription-Information;
More than two kinds of schemes be by the CAMEL-Subscription-Information of user among the deletion VLR, guarantee the user when roam back this VLR, can be again to HLR initiation registration location information flow.
Such scheme exists following problem respectively:
Scheme 1, HLR retransmits registration cancellation request to VLR many times will increase taking of communication bandwidth, even and repeatedly retransmit registration cancellation request to VLR, still possibly can't successfully delete user's CAMEL-Subscription-Information;
Scheme 2 adopts regularly and deletes inactive user's CAMEL-Subscription-Information, and the processing cycle is longer, is traditionally arranged to be 24 hours inertias of user and deletes this user's CAMEL-Subscription-Information, handles untimely.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method of upgrading customer position information, when the user want resident to VLR when preserving its CAMEL-Subscription-Information, make HLR can upgrade user position information in time, and extra occupying system resources not.
For solving the problems of the technologies described above, a kind of method of upgrading customer position information of the present invention, the user wants resident Visited Location Registor VLR to send authentication request to attaching position register HLR, carries customer position information in authentication request; After HLR receives authentication request, relatively whether this user position information of preserving among the customer position information that carries in the authentication request and the HLR is identical, if inequality, then use the customer position information that carries in the authentication request to upgrade this user position information of preserving among the HLR.
Further, the customer position information that carries in the authentication request is wanted the sign of resident VLR for the user.
Further, the customer position information that carries in the authentication request is the moving exchanging center MSC sign.
Further, if this user position information of preserving among customer position information that carries in the authentication request and the HLR is inequality, before upgrading user position information, HLR sends Authentication Response to VLR, carries the registration request and initiate sign in this Authentication Response, after VLR receives Authentication Response, initiate sign according to the registration request, send the registration request to HLR, after HLR receives the registration request, upgrade this user position information of its preservation.
Further, if this user position information of preserving among customer position information that carries in the authentication request and the HLR is inequality, before upgrading user position information, HLR sends registration cancellation request to the VLR that this user position information identified of its preservation, notifies this VLR to delete this user's CAMEL-Subscription-Information.
Further, after HLR finishes renewal to user position information, want resident VLR to send Authentication Response, in this Authentication Response, carry HLR sign and user's CAMEL-Subscription-Information to the user.
Further, whether HLR compares the MSC sign of carrying in the authentication request identical with this user position information of its preservation, if inequality, this user position information of then using MSC identification renewal HLR to preserve.
Further, when whether the customer position information that HLR relatively carries in the authentication request and this user position information of its preservation be identical, if do not find this user position information in this locality, then the customer position information that carries in the authentication request is preserved as this user position information.
The present invention triggers HLR by authentication request message and carries out user position update, when carrying out authorizing procedure, finish the renewal of customer position information among the HLR, can be under the situation that does not significantly increase the network bandwidth and VLR and HLR processing load, in time correct the customer position information and the actual inconsistent problem of customer position information of registering among the HLR, guaranteed professional normally carrying out, authentication request message among the present invention has simultaneously been finished the function of registration request simultaneously, reduced the network service bandwidth, the present invention also can be applicable in other mobile communication system.
Description of drawings
Fig. 1 is the network architecture diagram of cdma system;
Fig. 2 is the flow chart of registration location information in the prior art;
Fig. 3 is an in-problem schematic diagram in the process of registration location information in the prior art;
Fig. 4 is the flow chart of the embodiment of the invention 1;
Fig. 5 is the flow chart of the embodiment of the invention 2;
Fig. 6 is the flow chart of the embodiment of the invention 3.
Embodiment
The present invention carries VLR information in VLR sends to the authentication request of HLR, after HLR receives authentication request, if the VLR information of carrying in the judgement authentication request is different with this user position information (VLR information) of its preservation, then use the VLR information of its preservation of VLR information updating of carrying in the authentication request.
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described:
In Fig. 4-Fig. 6, the VLR that CVLR (Current VLR) expression travelling carriage roams into or prepares to insert, the VLR of its CAMEL-Subscription-Information is roamed out and preserved to PVLR (Previous VLR) expression travelling carriage.
Embodiment 1:
Figure 4 shows that method of the present invention carries CVLR information in authentication request, in Authentication Response, carry the flow process that sign is initiated in the registration request, comprise the steps:
Step 401: wireless side sends the request of access or position updating request to CVLR, after CVLR receives the request of access or position updating request, judge whether to initiate authorizing procedure, if initiate to HLR, then CVLR sends authentication request to HLR, carries CVLR information in authentication request;
CVLR information comprises that CVLR sign, its ability information and other need notify the lastest imformation of HLR.
Whether carry out authorizing procedure, can in VLR, dispose as required, when user's access and position renewal, all need to carry out authentication usually.
After step 402:HLR receives authentication request, carry out authentication operations, finish authentication after, relatively whether the CVLR information of carrying in the authentication request identical with this user position information (PVLR information) of its preservation, if difference, then execution in step 403;
Step 403:HLR sends Authentication Response to CVLR, carries the registration request and initiate sign in Authentication Response, and indication CVLR initiates the registration location information flow to HLR;
In the present embodiment, after HLR received authentication request, relatively whether the CVLR sign was identical with this user's of its preservation VLR sign (PVLR sign), if different, then sends Authentication Response to CVLR, carries the registration request and initiate sign in Authentication Response.
If do not preserve this user's VLR information among the HLR, then directly send Authentication Response to CVLR.
After step 404:CVLR receives Authentication Response, initiate sign, send the registration request to HLR according to the registration request;
After step 405:HLR receives the registration request, send registration cancellation request to PVLR, request PVLR deletes this user's CAMEL-Subscription-Information;
Step 406:PVLR deletes this user's CAMEL-Subscription-Information after receiving registration cancellation request, and returns registration cancellation response to HLR;
After step 407:HLR receives registration cancellation response, use this user's of its preservation of CVLR information updating PVLR information, and send register response to CVLR.
In the present embodiment, the CVLR sign of carrying in the HLR use authentication request, CVLR ability information etc., the VLR that upgrades this user of its preservation identifies (PVLR sign), VLR ability information (PVLR ability information) etc.
At this moment, this user's who preserves among the PVLR CAMEL-Subscription-Information is successfully deleted, and the user position information of preserving among the HLR is consistent with the VLR at its actual place.
Embodiment 2:
Figure 5 shows that method of the present invention carries CVLR information in authentication request, after HLR receives CVLR information, directly upgrade the flow process of customer position information, may further comprise the steps:
Step 501: wireless side sends the request of access or position updating request to CVLR, after CVLR receives the request of access or position updating request, judge whether to initiate authorizing procedure, if initiate to HLR, then CVLR sends authentication request to HLR, carries CVLR information in authentication request;
After step 502:HLR receives authentication request, carry out authentication operations, finish authentication after, relatively whether the CVLR information of carrying in the authentication request identical with this user's of its preservation VLR information (PVLR information), if difference, then execution in step 503;
If do not preserve this user's VLR information among the HLR, then direct execution in step 503.
Step 503:HLR sends registration cancellation request to PVLR, and request PVLR deletes this user's CAMEL-Subscription-Information;
Step 504:PVLR deletes this user's CAMEL-Subscription-Information after receiving registration cancellation request, returns registration cancellation response to HLR;
After step 505:HLR receives registration cancellation response, use this user's of its preservation of CVLR information updating PVLR information;
Step 506: simultaneously, HLR sends Authentication Response to CVLR, carries the parameter of carrying in HLR sign and user's the CAMEL-Subscription-Information register response such as (Profile) in Authentication Response.
Embodiment 3:
Figure 6 shows that method of the present invention adopts the flow process of MSC sign as CVLR information, may further comprise the steps:
Step 601: wireless side sends the request of access or position updating request to CVLR, after CVLR receives the request of access or position updating request, judges whether to initiate authorizing procedure to HLR, if initiate, then CVLR sends authentication request to HLR;
After step 602:HLR receives authentication request, carry out authentication operations, after finishing authentication, compare MSC (the Mobile Switching Center that carries in the authentication request, mobile switching centre) whether sign is identical with this user's of its preservation VLR sign (PVLR sign), if different, then execution in step 603;
All carry the MSC sign at present in the authentication request, MSC and VLR unification usually in the existing network, the MSC sign is identical with the VLR sign, and therefore, the VLR sign that can use MSC sign and HLR to preserve compares, and needn't additionally increase CVLR information in authentication request.
Step 603:HLR sends registration cancellation request to PVLR, and request PVLR deletes this user's CAMEL-Subscription-Information;
Step 604:PVLR deletes this user's CAMEL-Subscription-Information after receiving registration cancellation request, and returns registration cancellation response to HLR;
After step 605:HLR receives registration cancellation response, use this user's of its preservation of MSC identification renewal PVLR sign;
Step 606: simultaneously, HLR sends Authentication Response to CVLR, carries the parameter of carrying in HLR sign and user's the register response such as CAMEL-Subscription-Information in Authentication Response.
The present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the present invention, and these change and be out of shape the protection range that all should belong to the appended claim of the present invention accordingly.
Claims (8)
1, a kind of method of upgrading customer position information is characterized in that,
The user wants resident Visited Location Registor VLR to send authentication request to attaching position register HLR, carries customer position information in authentication request;
After described HLR receives authentication request, relatively whether this user position information of preserving among the customer position information that carries in the authentication request and the described HLR is identical, if this user position information inequality, as then to use the customer position information that carries in the authentication request to upgrade to preserve among the described HLR.
2, the method for claim 1 is characterized in that, the customer position information that carries in the described authentication request is the sign of the VLR that described user will be resident.
3, the method for claim 1 is characterized in that, the customer position information that carries in the described authentication request is the moving exchanging center MSC sign.
4, the method for claim 1, it is characterized in that, if this user position information of preserving among customer position information that carries in the described authentication request and the described HLR is inequality, before upgrading user position information, described HLR sends Authentication Response to described VLR, in this Authentication Response, carry the registration request and initiate sign, after described VLR receives Authentication Response, initiate sign according to the registration request, send the registration request to described HLR, after described HLR receives the registration request, this user position information of carrying out described its preservation of renewal.
5, as claim 2 or 3 described methods, it is characterized in that, if this user position information of preserving among customer position information that carries in the described authentication request and the described HLR is inequality, before upgrading user position information, described HLR sends registration cancellation request to the VLR that this user position information identified of its preservation, notifies this VLR to delete this user's CAMEL-Subscription-Information.
6, method as claimed in claim 5 is characterized in that, after described HLR finishes renewal to described user position information, wants resident VLR to send Authentication Response to described user, carries HLR sign and described user's CAMEL-Subscription-Information in this Authentication Response.
7, method as claimed in claim 3, it is characterized in that, whether described HLR compares the MSC sign of carrying in the authentication request identical with this user position information of its preservation, if inequality, this user position information of then using the described HLR of MSC identification renewal to preserve.
8, the method for claim 1, it is characterized in that, when whether the customer position information that described HLR relatively carries in the authentication request and this user position information of its preservation be identical, if do not find this user position information in this locality, then the customer position information that carries in the described authentication request is preserved as this user position information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810135397XA CN101640872B (en) | 2008-08-01 | 2008-08-01 | Method for updating user location information |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810135397XA CN101640872B (en) | 2008-08-01 | 2008-08-01 | Method for updating user location information |
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| CN101640872A true CN101640872A (en) | 2010-02-03 |
| CN101640872B CN101640872B (en) | 2012-05-09 |
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| CN200810135397XA Expired - Fee Related CN101640872B (en) | 2008-08-01 | 2008-08-01 | Method for updating user location information |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101110A (en) * | 2014-04-30 | 2015-11-25 | 杭州华为企业通信技术有限公司 | Control method of distributed system, control device of distributed system and distributed system |
| US11570610B2 (en) | 2020-04-03 | 2023-01-31 | Telus Communications Inc. | System and method for managing visitor location register (VLR) records by updating duplicate records |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3229859B2 (en) * | 1998-06-30 | 2001-11-19 | エルジー電子株式会社 | Subscriber location information management method in mobile communication system |
| EP1156691A1 (en) * | 2000-05-17 | 2001-11-21 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Method and devices for the location update in a mobile communication system |
| JP2004080451A (en) * | 2002-08-20 | 2004-03-11 | Nec Commun Syst Ltd | Restoring method for location information of home location register |
| CN100473189C (en) * | 2004-11-30 | 2009-03-25 | Ut斯达康通讯有限公司 | Method for realizing terminal and user mobility |
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2008
- 2008-08-01 CN CN200810135397XA patent/CN101640872B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101110A (en) * | 2014-04-30 | 2015-11-25 | 杭州华为企业通信技术有限公司 | Control method of distributed system, control device of distributed system and distributed system |
| CN105101110B (en) * | 2014-04-30 | 2018-10-30 | 杭州华为企业通信技术有限公司 | Control method, device and the distributed system of distributed system |
| US11570610B2 (en) | 2020-04-03 | 2023-01-31 | Telus Communications Inc. | System and method for managing visitor location register (VLR) records by updating duplicate records |
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| CN101640872B (en) | 2012-05-09 |
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