CN100415052C - Method for solving mobile station called problem - Google Patents
Method for solving mobile station called problem Download PDFInfo
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- CN100415052C CN100415052C CNB2005101030664A CN200510103066A CN100415052C CN 100415052 C CN100415052 C CN 100415052C CN B2005101030664 A CNB2005101030664 A CN B2005101030664A CN 200510103066 A CN200510103066 A CN 200510103066A CN 100415052 C CN100415052 C CN 100415052C
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
Abstract
The present invention discloses a method for solving the called problem of a mobile station, which comprises the steps: a called MSC receives a message of a calling MS and then confirms that the date of the MS do not exist in a VLR; paging request messages are sent to all BSCs controlled by the MSC; the called MSC receives paging response messages replied by the BSCs and then continue to process call flows. According to the method disclosed by the present invention, under the conditions that the date in the VLR is lost, and the problem that the MS can not be successfully called is solved, and thus, call completing rate and service quality are raised.
Description
Technical field
The present invention relates to wireless communication technology, be meant a kind of method that solves mobile station called problem especially.
Background technology
Wireless communication system comprises mobile switching centre (MSC), attaching position register (HLR), VLR Visitor Location Register (VLR), base station controller (BSC), travelling carriage (MS) etc.MSC finishes all necessary signaling capability to set up the connection between the calling and called user.All subscription data of the relevant MS that opens an account of HLR storage, and storage is about the MS current-position related information; VLR is the dynamic data base of store M S positional information, when the MS roaming enters certain MSC control area, and must be to the VLR registration relevant, for the MS with registration provides the necessary condition of setting up call proceeding with this MSC.VLR and MSC close and are located on the same equipment generally speaking, are called MSC/VLR.
Be example with the station to station call in the cdma network below, suppose in the BSC1 base station scope of caller MS in the control area of MSC1/VLR1, in the BSC2 base station scope of called MS in the control area of MSC2/VLR2, flow process when then caller MS calls out called MS as shown in Figure 1, it is as follows to describe its call flow in detail:
Step 101: caller MS makes a call, and BSC1 sends call request to MSC1/VLR1;
The number that step 102:MSC1/VLR1 is dialed according to caller MS sends to HLR with the location request message (LOCREQ) of carrying the called MS number, the positional information of request called MS;
Step 103:HLR sends route request information (ROUTREQ) to MSC2/VLR2 then according to the MSC2/VLR2 of called MS number searching to the called MS place, is that called MS is distributed Temporary Local Directory Number (TLDN) with application MSC2/VLR2;
After step 104:MSC2/VLR2 is called MS distribution T LDN, return the route response message (routreq) of carrying TLDN to HLR;
Step 105:HLR carries the TLDN of called MS to MSC1/VLR1 home position response message (locreq) in this message;
Step 106:MSC1/VLR1 passes through relaying routing striking out according to TLDN, and initial address message (IAM) is sent to MSC2/VLR2;
Step 107:MSC2/VLR2 is to called MS place BSC2 distributing paging request message (PagingRequest);
Step 108:BSC2 returns page response (Paging Response) to MSC2/VLR2;
Step 109:MSC2/VLR2 issues assignment request message (Assignment) to BSC2, to distribute the A mouth circuit and the circuit of eating dishes without rice or wine;
After the step 110:BSC2 assignment success, return assignment response (AssignmentComplete) to MSC2/VLR2, called MS begins ring;
Step 111:MSC2/VLR2 sends Address Complete Message (ACM) to MSC1/VLR1, and caller MS begins to listen ring-back tone;
Step 112: after the called MS off-hook was replied, BSC2 sent to MSC2/VLR2 and connects message (Connect);
Step 113:MSC2/VLR2 sends response message (ANM) to MSC1/VLR1, and caller MS and called MS both sides set up a Radio Link, enter talking state.
According to above-mentioned flow process, if store the MS data among the VLR of MSC/VLR, when then caller MS calls out called MS, can call out called MS smoothly, promptly as called MS ring as described in the step 110.Wherein, caller MS and called MS can be in same MSC/VLR control areas, further can be in same BSC scope, and therefore, MSC1/VLR and MSC2/VLR2 can be same entity, BSC1 and BSC2 also can be same entity.
In the real system, have the situation of the MS loss of data among the VLR: restart when MSC/VLR produces fault, or upgrade software is when restarting, MS data all among the VLR will all be lost; Owing to breaking down, the some modules among the MSC/VLR restart, and at this moment can lost part MS data; MSC/VLR software logic fault can cause the MS loss of data equally; The manual MS data of having deleted of MSC/VLR attendant.In these cases, if lose or the manual MSC/VLR that has deleted the MS data does not send a large amount of deletion message or user's deactivation message to HLR, HLR can not obtain the situation of MSC/VLR loss of data, can not delete the position indicator pointer of relevant MS data yet, therefore cause the inconsistent situation of data of both storages among HLR and the VLR.
No matter be that what reason causes losing of MS data among the MSC/VLR, when this MS makes a call as caller, if there are not the data of caller MS among the MSC/VLR, after business request information in the time of then can making a call by MS is obtained the required information of location registers, the initiation location registers is operated HLR and is set up new registration procedure, after the location registers success, continue to carry out call flow; But this MS is when called, owing to there are not the data of called MS among the MSC/VLR, MSC/VLR thinks that this called MS does not exist, and returns error message to HLR, so this MS can't normally be exhaled when called, and its flow process is described in detail as follows as shown in Figure 2:
Step 204: because MS loss of data among the MSC2/VLR2, MSC2/VLR2 determines that called MS does not exist, and MSC2/VLR2 returns the routreq that carries error message (ERROR) to HLR;
As mentioned above, when the MS of VLR loss of data, belonged to MS in this MSC/VLR control range before location registers again, this MS can't be exhaled all the time.Therefore, percept of call completed is low, and service quality is not high yet, reduces the satisfaction of user to business greatly.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method that solves mobile station called problem, and with when the MS of the VLR loss of data, the MS that belongs to this VLR can be exhaled smoothly.
The invention provides a kind of method that solves mobile station called problem, this method comprises:
A) called moving exchanging center MSC is received after the message of calling out mobile station MS, determines that these MS data do not exist among the VLR Visitor Location Register VLR, then all base station controller BSC distributing paging request messages of controlling to this MSC;
B) called MS C receives the page-response message that BSC returns;
Called MS C obtains MS to the required necessary information of HLR registration from page-response message, utilize this necessary information to obtain the data of MS from HLR, and deposit among the VLR;
C) called MS C continues to handle call flow.
Wherein, described called MS C comprises from the data that HLR obtains MS: MSC sends request to HLR, and MSC obtains the data of MS from the response that HLR returns.
Wherein, described called MS C comprises from the data that HLR obtains MS: called MS C sends position register request to HLR, and called MS C obtains the subscription data of MS from the location registers response that HLR returns.
Wherein, described called MS C comprises from the data that HLR obtains MS: called MS C sends the qualification request to HLR, and called MS C obtains the data of MS from the qualification request response that HLR returns.
Wherein, described called MS C obtains MS and comprises to the required necessary information of HLR registration from page response: called MS C obtains location registers or the required necessary information of qualification request from page response, comprises positional information and MS sign at least.
Wherein, the described called MS C of steps A receives that the message of calling out MS is: called MS C receives the route request information from HLR;
The described called MS C of step C continues to handle call flow and comprises: called MS C distributes Temporary Local Directory Number TLDN to MS, and returns this TLDN by HLR to Calling Side, and Calling Side makes a call to called MS C according to TLDN, and called MS C continues replay call.
Wherein, the described called MS C of step C continues replay call and comprises: called MS C sends assignment request message to the BSC that returns page-response message, if the assignment success is then finished MS and exhaled, this MS begins ring.
Wherein, described MS begins further to comprise after the ring: described MS off-hook is replied, then call establishment.
According to method provided by the invention, C receives call request message when called MS, when can not determine the positional information of MS owing to the MS loss of data of VLR, all BSC to this MSC self control send the paging request, after the paging success, MSC continues to handle MS and is exhaled flow process, thereby among the VLR under the situation of MS loss of data, can be exhaled this MS smoothly, therefore improved percept of call completed.After the paging success, MSC/VLR obtains and stores the subscription data of called MS by position register request or qualification request from HLR, therefore, can provide service for called MS better according to the subscription data of called MS, and, guaranteed also can be exhaled smoothly next time.
Description of drawings
Figure 1 shows that typical call flow in the prior art;
Call flow when Figure 2 shows that in the prior art among the called MS C2/VLR2 MS loss of data;
The call flow of embodiment one when Figure 3 shows that among the present invention MS loss of data among the called MS C2/VLR2.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, lift specific embodiment below, the present invention is further detailed explanation.
After the MS loss of data, before MS location registers again, HLR still preserves original information in VLR, thinks that promptly MS is still in the MSC/VLR of last once registration.When MS entered new MSC/VLR, new MSC/VLR can send position register request message (REGNOT) to HLR and carry out location registers, register successfully after, new MSC/VLR obtains the MS data, also can change the positional information of this MS among the HLR; As MS during also at original MSC/VLR, MS is because switching on and shutting down or make a call etc. former thereby initiate location registers again, and at this moment MSC/VLR can send REGNOT to HLR and carries out location registers, register successfully after, MSC/VLR obtains the MS data again.Therefore, when the information of receiving the request of calling out MS and finding this called MS as MSC/VLR does not exist, can judge that this MS does not set up new registration procedure, and this MS must be also within Anchor MSC/VLR control range.
According to above explanation, when among the MSC/VLR during MS loss of data, the general thought that solves called problem is: when the data of receiving the request of calling out MS and finding this MS as MSC/VLR do not exist, all BSC distributing paging requests to this MSC control, receive and continue call establishment after the page response that BSC returns.In order to provide better service to called MS, also can be exhaled smoothly in order to guarantee under the situation of not setting up new registration procedure in called MS next time, MSC/VLR receives after the page response, initiatively obtains the MS data to HLR, and then continues call establishment.
Suppose, caller MS in the BSC1 scope of MSC1/VLR1 control, MSC2/VLR2 control BSC2, BSC3, BSC4, and called MS is in the BSC3 scope, and this called MS loss of data among the VLR2.When caller MS calls out this called MS, HLR sends route request information to after the MSC2/VLR2, owing to do not have the called MS data among the VLR2, so MSC2/VLR2 can't determine the positional information of called MS.Figure 3 shows that when above-mentioned situation occurring, solve the flow chart of the embodiment one that called MS exhaled, be described in detail as follows:
Step 301～303: with step 101～103;
Step 304:MSC2/VLR2 determines that the called MS data do not exist, then to all BSC that self control, i.e. BSC2, BSC3, BSC4 distributing paging request message;
Step 305: if the paging success, then called MS place BSC3 returns page-response message;
Step 306:MSC2/VLR2 is from above-mentioned page-response message, obtain the required necessary information of called MS location registers, comprise positional information and MS sign, wherein the MS sign comprises international mobile subscriber identity (IMSI), MS sequence number etc., initiatively send the REGNOT that carries IMSI then, initiate location registers to HLR;
Step 307:HLR home position response message (regnot), MSC2/VLR2 obtain the subscription data of MS from this message;
Step 308:MSC2/VLR2 gives called MS distribution T LDN, and returns the routreq that carries this TLDN to HLR;
Step 309:HLR returns locreq to MSC1/VLR1, carries TLDN in this message;
Step 310:MSC1/VLR1 passes through relaying routing striking out according to TLDN, and initial address message (IAM) is sent to MSC2/VLR2;
Step 311:MSC2/VLR2 sends Assignment to BSC3, to distribute the A mouth circuit and the circuit of eating dishes without rice or wine;
After the step 312:BSC3 assignment success, return Assignment Complete to MSC2/VLR2, at this moment called MS begins ring, and promptly called MS is exhaled;
Step 313:MSC2/VLR2 sends Address Complete Message (ACM) to MSC1/VLR1, and caller MS begins to listen ring-back tone;
Step 314: after the called MS off-hook was replied, BSC3 sent Connect to MSC2/VLR2;
Step 315:MSC2/VLR2 sends ANM to MSC1/VLR1, and caller MS and called MS both sides set up a Radio Link, enter talking state.
In the above-mentioned flow process, by step 306,307, MSC2/VLR2 obtains all data of relevant called MS.As step 306,307 replacement scheme, MSC2/VLR2 obtains from the page response of step 305 after the necessary information of called MS, sends qualification request message, the MS data of returning according to HLR then to HLR, execution in step 308～315 is promptly finished the process that called MS is exhaled.
Having provided caller in the foregoing description is the situation of portable terminal, when being fixed terminal for caller, Calling Side use fixed network and HLR are mutual, and the processing method of callee side be with the foregoing description in the same, that is: when MSC2/VLR2 receives the call request message of calling out MS, find that the called MS data do not exist, then all BSC distributing paging requests of controlling to this MSC are to solve the problem that this MS is exhaled.
By above-mentioned steps, no matter be the MS loss of data what reason causes VLR, there is not the problem that MS is exhaled under the situation in the MS data that solved VLR.Therefore, improve percept of call completed, improved service quality.
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 (8)
1. a method that solves mobile station called problem is characterized in that, this method comprises the steps:
A) called moving exchanging center MSC is received after the message of calling out mobile station MS, determines that these MS data do not exist among the VLR Visitor Location Register VLR, then all base station controller BSC distributing paging request messages of controlling to this MSC;
B) called MS C receives the page-response message that BSC returns; Called MS C obtains MS to the required necessary information of HLR registration from page-response message, utilize this necessary information to obtain the data of MS from HLR, and deposit among the VLR;
C) called MS C continues to handle call flow.
2. method according to claim 1 is characterized in that, described called MS C comprises from the data that HLR obtains MS: MSC sends request to HLR, and MSC obtains the data of MS from the response that HLR returns.
3. method according to claim 1 and 2 is characterized in that described called MS C comprises from the data that HLR obtains MS: called MS C sends position register request to HLR, and called MS C obtains the subscription data of MS from the location registers response that HLR returns.
4. method according to claim 1 and 2 is characterized in that, described called MS C comprises from the data that HLR obtains MS: called MS C sends the qualification request to HLR, and called MS C obtains the data of MS from the qualification request response that HLR returns.
5. method according to claim 1, it is characterized in that, described called MS C obtains MS and comprises to the required necessary information of HLR registration from page response: called MS C obtains location registers or the required necessary information of qualification request from page response, comprises positional information and MS sign at least.
6. method according to claim 1 is characterized in that,
The described called MS C of steps A receives that the message of calling out MS is: called MS C receives the route request information from HLR;
The described called MS C of step C continues to handle call flow and comprises: called MS C distributes Temporary Local Directory Number TLDN to MS, and returns this TLDN by HLR to Calling Side, and Calling Side makes a call to called MS C according to TLDN, and called MS C continues replay call.
7. method according to claim 6 is characterized in that,
The described called MS C of step C continues replay call and comprises: called MS C sends assignment request message to the BSC that returns page-response message, if the assignment success is then finished MS and exhaled, this MS begins ring.
8. method according to claim 7 is characterized in that, described MS begins further to comprise after the ring: described MS off-hook is replied, then call establishment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101030664A CN100415052C (en) | 2005-09-19 | 2005-09-19 | Method for solving mobile station called problem |
| PCT/CN2006/001155 WO2007033543A1 (en) | 2005-09-19 | 2006-05-30 | A method for solving the problem of calling mobile stations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101030664A CN100415052C (en) | 2005-09-19 | 2005-09-19 | Method for solving mobile station called problem |
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| Publication Number | Publication Date |
|---|---|
| CN1882174A CN1882174A (en) | 2006-12-20 |
| CN100415052C true CN100415052C (en) | 2008-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005101030664A Expired - Fee Related CN100415052C (en) | 2005-09-19 | 2005-09-19 | Method for solving mobile station called problem |
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| CN (1) | CN100415052C (en) |
| WO (1) | WO2007033543A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007019395A1 (en) | 2007-04-23 | 2008-10-30 | T-Mobile International Ag & Co. Kg | Method for ensuring the accessibility of mobile radio terminals using an optimized paging mechanism |
| CN101202961B (en) * | 2007-12-03 | 2011-05-25 | 中兴通讯股份有限公司 | Method for processing user positional information abnormity in home location register |
| BRPI1101136A2 (en) * | 2011-03-31 | 2013-06-04 | Natura Cosmeticos Sa | cosmetic composition for cleaning the skin containing oils of vegetable origin, manufacturing process of said composition and use of said composition |
| CN104270733B (en) * | 2014-10-29 | 2018-11-06 | 南京维科通信有限公司 | A kind of trunked communication system short calling connecting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206542A (en) * | 1995-12-29 | 1999-01-27 | 诺基亚电信公司 | Load reduction of visitor location register |
| CN1240102A (en) * | 1996-12-04 | 1999-12-29 | 诺基亚电信公司 | Call set-up in mobile communications system |
| CN1327356A (en) * | 2000-06-01 | 2001-12-19 | 三星电子株式会社 | Method for repeating business of local call |
| CN1370019A (en) * | 2001-02-07 | 2002-09-18 | 株式会社Ntt都科摩 | Exchange station, user position information polling method, user's service information obtaining, polling and transmitting method |
| CN1436433A (en) * | 2000-04-14 | 2003-08-13 | 美国数码有限公司 | Method and system for expanding data payload of data messages transported via cellular network control channel |
-
2005
- 2005-09-19 CN CNB2005101030664A patent/CN100415052C/en not_active Expired - Fee Related
-
2006
- 2006-05-30 WO PCT/CN2006/001155 patent/WO2007033543A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206542A (en) * | 1995-12-29 | 1999-01-27 | 诺基亚电信公司 | Load reduction of visitor location register |
| CN1240102A (en) * | 1996-12-04 | 1999-12-29 | 诺基亚电信公司 | Call set-up in mobile communications system |
| CN1436433A (en) * | 2000-04-14 | 2003-08-13 | 美国数码有限公司 | Method and system for expanding data payload of data messages transported via cellular network control channel |
| CN1327356A (en) * | 2000-06-01 | 2001-12-19 | 三星电子株式会社 | Method for repeating business of local call |
| CN1370019A (en) * | 2001-02-07 | 2002-09-18 | 株式会社Ntt都科摩 | Exchange station, user position information polling method, user's service information obtaining, polling and transmitting method |
Non-Patent Citations (2)
| Title |
|---|
| 数字移动通信. 郭梯云, 杨家玮, 李建东，509-511，人民邮电出版社. 2001 |
| 数字移动通信. 郭梯云, 杨家玮, 李建东，509-511，人民邮电出版社. 2001 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1882174A (en) | 2006-12-20 |
| WO2007033543A1 (en) | 2007-03-29 |
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