CN1558692A - Method of trunk directory inquiry of called subscriber - Google Patents
Method of trunk directory inquiry of called subscriber Download PDFInfo
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- CN1558692A CN1558692A CNA2004100258217A CN200410025821A CN1558692A CN 1558692 A CN1558692 A CN 1558692A CN A2004100258217 A CNA2004100258217 A CN A2004100258217A CN 200410025821 A CN200410025821 A CN 200410025821A CN 1558692 A CN1558692 A CN 1558692A
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Abstract
The invention discloses a method for obtaining the correct location (route) of the called mobile telephone subscriber comprising the steps of, the mobile switching center extracts the related information of the called subscriber, and transmits the subscriber related information to the ownership register through route inquiry messages, the ownership register searches the user location information in the data base and transmits the user location information to the mobile switching center for subsequent call switching jobs.
Description
Technical field:
The invention belongs to mobile subscriber's management method of field of telecommunications, be particularly related to wireless access system (when the connecting system of forming when local switch (LE) and Access Network (AN) is mainly used in mobile subscriber's management, local switch (LE) is called local movements control center, this connecting system is referred to as wireless access system) in local movements control center (Local Mobile Control Center is called for short LMCC) owing to after fault or other unknown reason restart, when causing mobile phone user's positional information to be lost, local movements control center after feasible the restarting still can obtain the method for correct called subscriber position (route) information under the situation that the generation of calling out is arranged.
Background technology:
In existing wireless access system, system consists of the local LMCC of movements control center, home location register HLR, base station controller BSC and base station BS, as shown in Figure 1.Home location register 11 major functions are the managing mobile phone user position information, simultaneously managing mobile phone user's partial service authority; Local movements control center 12 manages and realizes mobile phone user's miscellaneous service, stores mobile phone user's positional information temporarily, manages switching and the roaming of the mobile phone user between the local movements control center 12; Base station controller 13 management of base station 14, be responsible for the switching of base station 14 in base station controller 13 simultaneously, V5 agreement by expansion between local Mobility Center 12 and the base station controller 13 communicates, V5 agreement by expansion is delivered to local movements control center 12 to the mobile management message of handling at base station controller 13 originally, local movements control center 12 gives home location register 11 in the positional information of transmitting the mobile phone user by internal interface, home location register 11 storage mobile phone users' positional information, in local movements control center 12, store mobile phone user's positional information simultaneously, when the mobile phone user calls out, can carry out call proceeding according to mobile phone user's positional information of storage in the local movements control center 12.
When mobile phone user's operation of starting shooting, when perhaps mobile phone user's position changes, the mobile phone user can be on one's own initiative to providing serving base station BS to send registration message, by BS registration message is transmitted to base station controller BSC under the BS again, last base station controller BSC has sent to the local LMCC of movements control center with mobile phone user's registration message.The local LMCC of movements control center is by after analyzing and integrate registration message, and whether legal according to the user sends to home location register HLR with the registration message of validated user, and in home location register HLR the register information and the enrollment status of recording user.After registration message is integrated by analysis, will send the response message of registration message to the local LMCC of movements control center in home location register HLR.The local LMCC of movements control center obtains after this mobile phone user's the success response message user position information and state information thereof are recorded among the local LMCC of movements control center that the mobile phone user belongs to, and will register successful message and issue (promptly be transmitted to BS by base station controller BSC and be transmitted to mobile phone) to the wireless portion of wireless access communication system, finish all processes of mobile telephone position information updating.
Wireless access system is when having the generation of calling, after calling party's's (calling party can be any user) call signaling arrives the local LMCC of movements control center, if the called subscriber is the mobile phone user, state information and positional information that the local LMCC of movements control center can keep in enrollment process according to the user, base station controller BSC to the mobile phone user position sends beep-page message, up on signaling and the called mobile phones user get in touch that (perhaps beep-page message does not have response, automatically discharge behind the timer expiry) till, this time the flow process of calling out finishes.
As can be seen in above-mentioned process, whether the correctness of the mobile phone user's who preserves among the local LMCC of movements control center positional information can be connected the mobile phone user smoothly for wireless access communication system and play a part very crucial in the call process.Under normal situation, the mobile phone user is starting shooting or power-off operation, and because mobile phone user's position when changing, the mobile phone user can " tell " local LMCC of movements control center and home location register HLR with the real-time position information of oneself by above-mentioned registering flow path, makes always can " to find " position (exceeding except that the mobile phone user the service range situation) at mobile phone user place as calling out the local LMCC of movements control center when taking place.But at the local LMCC of movements control center because when fault own or some unpredictalbe mistakes restart, because system restart also reinitializes, can cause making the user state information and the positional information that reside in the middle of the local LMCC of the movements control center processor memory all to be lost.
When the local LMCC of movements control center restart finish after, if have the part mobile phone user to carry out the operation of switching on and shutting down or mobile phone user's position changes, then having new registration message is saved in mobile phone user's current position information and state information in the middle of local LMCC of movements control center and the attaching position register HLR, for this type of mobile phone user, conversation can not be affected.But for not carrying out the switching on and shutting down operation in the process that restarts at the local LMCC of movements control center, user's position does not also change, and do not arrive mobile phone user this class mobile phone user of timing cycle register time, because the wireless portion (base station controller of present wireless access system, base station and mobile phone user) do not support the position of the forms of broadcasting to upgrade, thereby it is called to cause this mobile phone user not do, if promptly this moment this type of mobile phone user is called out, then after the call signaling of caller initiation arrives the local LMCC of movements control center, the local LMCC of movements control center can can't not make a call to this mobile phone user because there being the called mobile phones user position information, to such an extent as to may have the situation generation that part mobile phone user's calling can not normally continue.
CDMA (code division multiple access) mobile communication system for present use, also there is similar problem, the solution of cdma system is at present, when switching center's fault, if in case restart success then send a large amount of deletion message to all home location register HLR, delete all user profile under this switching center, the method can guarantee that the user can normally use after setting up new registration procedure, but when switching center's normally operation, if the user who belonged at that time under this switching center's coverage does not set up new registration procedure, then can't do calledly, cause call completing rate to descend.
Problem for above-mentioned switching center's fault, Chinese patent application number is 99805037.7, the patent of " mobile switching centre restarts recovery routine " by name proposes the recovery routine that restarts of mobile switch, this scheme has mainly solved when mobile switch restarts, and the user that positional information changes obtains the method for correct positional information by the interpolation flag bit.The user part message query function that though this method can solve mobile switch after restarting, but for some special situation (as the switch catastrophe failure, when perhaps the processor in the switch itself is in initialized stage is to receive any external message), this method itself be have certain circumscribed, and the implementation method of this scheme itself is more loaded down with trivial details, and this invention simultaneously can not avoid switch to restart finishing the problem of spreading unchecked of post-registration.
Summary of the invention:
The objective of the invention is to be after the local movements control center in the wireless access system restarts owing to fault or other unknown reason, when mobile phone user's positional information was lost, there had been the method that still can obtain correct called mobile phones customer position information under the situation about taking place of calling out in local movements control center.
The technical scheme that realizes the object of the invention is: under the situation of the normal operation of switching control center, the local customer position information of the ownership all a series of message such as registration by terminal sends in the middle of the corresponding home location register HLR via the local LMCC of movements control center; When the local LMCC of movements control center fault occurred for some reason and has restarted, because the local LMCC of movements control center can not receive the registration message with process user, so registration message can't arrive home location register HLR, and can't change the central relevant user profile of home location register HLR, from this on the one hand, preserve up-to-date location data in the middle of the home location register HLR; If have the system manager on the operating desk of home location register HLR, the user to be operated simultaneously, because home location register HLR will wait for the change user data that the response of the local LMCC of movements control center could be successful, so during the local LMCC of movements control center restarts, can guarantee that the data of storing among the home location register HLR are current up-to-date user data, the data that can draw the home location register HLR from this two aspect are the latest datas of customer location; After restarting for the local LMCC of movements control center, the mobile phone user of any activity (positional information does not have change and regularly the cycle register time does not arrive) is not taken place, positional information to this type of mobile phone user, be deposited with the data of storing among the home location register HLR and be this type of mobile phone user's latest data, when this type of mobile phone user of customer call, after the local LMCC of movements control center checks this user's correlating markings information, can find that this user is after the last LMCC is restarted, do not carry out any activity, the then local LMCC of movements control center extracts this user's relevant information (Electronic Serial Number, network identification mark and telephone number), and this user's relevant information sent to home location register HLR by routing inquiry message, after HLR receives routing inquiry message, this user position information of retrieval in database, if positional information exists, then send this user position information to the local LMCC of movements control center, LMCC carries out follow-up call proceeding work according to this user position information that HLR sends it back; If because this user position information that causes unusually of home location register HLR is lost, then HLR sends inquiry failed message, then this call failure to the local LMCC of movements control center; The response message of HLR if the local LMCC of movements control center does not wait, then the LMCC waiting timer overtime after, the local LMCC of movements control center refusal is this time called out.
The present invention compared with prior art has following characteristics:
That the method mentioned among the present invention realizes is simple, flexibly, reduced local movements control center greatly and hindered the influence that the percept of call completed that causes descends for some reason, the fail safe that has improved local Mobility Center has guaranteed the high reliability of telecommunications service.
The present invention simultaneously is after local movements control center restarts, owing to there is not the location registers of the forms of broadcasting, so can avoid restarting the registration that causes and spreading unchecked situation owing to the local exchange center.
Description of drawings
Fig. 1 is the wireless access system networking diagram
Fig. 2 is the flow chart of the called routing inquiry of mobile phone user under the local movements control center failure condition
Embodiment
Also in conjunction with the accompanying drawings the present invention is explained in detail below by specific embodiment:
Based on the networking of the wireless access system of SCDMA (S-CDMA) technology as shown in Figure 1, the local LMCC12 of movements control center directly links to each other with local home location register HLR11, other the LMCC22 of movements control center does not link to each other with the home location register HLR11 of this locality, all registration messages of local user all need be delivered to home location register HLR11 again through the local LMCC12 of movements control center, so after the local LMCC12 of movements control center fault, all registration messages can not be delivered to home location register HLR11, that is to say after the local LMCC12 of movements control center fault, data among the home location register HLR11 can not upgraded by the message that mobile phone is initiated, can guarantee that the data among the home location register HLR11 are up-to-date, if the system manager operates user data on the maintenance console of home location register HLR11 simultaneously, because subscriber data changes, home location register HLR11 need send message to the local LMCC12 of movements control center, home location register HLR11 need wait for that the response of the local LMCC12 of movements control center can revise this data, so preserve up-to-date user data in home location register HLR11 between the local LMCC12 of movements control center age at failure.
When the local LMCC12 of movements control center restart finish after, processing for the user has following three kinds of situations: the user that first kind of situation is original LMCC12 has roamed into other the LMCC22 of movements control center, then owing to registration messages all in the middle of the local LMCC12 of movements control center is restarted is not processed, this mobile phone user is because on never registering simultaneously, so repeating to send registration message always, then when the local LMCC12 of movements control center restart finish after, receive this user's registration message, then in the local LMCC12 of movements control center, upgrade this customer position information, notify home location register HLR11 to upgrade this user profile simultaneously; Second kind of situation is that the user who belongs to LMCC12 calls out always, but because so this calling of the local LMCC12 of movements control center fault can be not processed, after the local LMCC12 of movements control center fault recovery, if this user calls out, the then local LMCC12 of movements control center should call out according to the present residing position information process of user, notified home location register HLR11 to carry out the renewal of position simultaneously; After the third situation is the local LMCC12 of movements control center fault recovery, for this class mobile phone user that any activity does not take place, during this class mobile phone user under customer call LMCC12, LMCC12 can obtain this user position information from this user's attaching position register HLR11, guarantee normally continuing of calling.As shown in Figure 2, called routing inquiry information flow following steps after the local LMCC12 of the movements control center fault recovery:
1) calling subscriber's call signaling arrives, and whether inquiry called mobile phones user is in conversation, and the positional information of inquiring user, prepares to send beep-page messages to the base station controller BSC 13 at mobile phone user place;
2) do not exist in local movements control center if find the called mobile phones user position information, be the particular location that the local LMCC12 of movements control center does not know present mobile phone user, send the mobile management module of called routing inquiry incident to movements control center by the Service Processing Module of movements control center;
3) mobile management module is handled the incident of receiving, according to the interface protocol between local LMCC12 of movements control center and the home location register HLR11, is organized into called routing inquiry message, and this message is sent to home location register HLR11;
4) after home location register HLR11 receives the called routing inquiry message of mobile management module, according to this mobile phone user of the information retrieval of carrying in the message, home location register HLR11 extracts user position information and state information from this user's of retrieving record, according to and the local LMCC12 of movements control center between agreement, the finish message that extracts is become called routing query response message, and this message is sent to the mobile management module;
5) after mobile management module is received the response message of routing inquiry message of home location register HLR11, upgrade the positional information of mobile phone user among the local LMCC12 of movements control center, and to transform routing query response message be the routing inquiry response events, sends this incident to Service Processing Module;
6) after the business module of the local LMCC12 of movements control center is received the response events of routing inquiry, according to the entrained positional information of routing inquiry response events, send this mobile phone user of beep-page message paging to the BSC13 of correspondence, carry out follow-up call flow.
After above-mentioned flow process was finished, former calling party had obtained the called mobile phones user position information, and the base station controller BSC 13 of then calling out to the called subscriber place sends beep-page message, after this enters normal call flow.
When in native system, also existing the mobile phone user to roam (when the mobile phone user roams into other the LMCC22 of non-attribution movements control center (being roaming place movements control center) from the LMCC12 of ownership place movements control center), after the local LMCC12 of movements control center is restarted, be somebody's turn to do the mobile phone user's of roaming situation as customer call, the method that terminating call adopts in native system is to call out ownership place movements control center earlier, and then carries out call proceeding by ownership place movements control center according to mobile phone user's actual particular location.The called routing inquiry information flow of this moment is: when calling proceeds to this mobile phone user's the LMCC12 of ownership place movements control center, because after ownership place LMCC12 finishes and restarts, this mobile phone user does not register on this LMCC12, then ownership place LMCC12 sends called routing inquiry message to HLR11, after waiting for that the HLR11 response message is returned, again according to this mobile phone user's current location, provide service LMCC22 to initiate terminating call to this mobile phone user, finish this calling procedure.
Called route query method when taking place by above-mentioned calling under local movements control center failure condition, can be under local movements control center breaks down the situation of restarting, the normal talking that guarantees most users continues, can not exert an influence by the normal talking to the user, thereby guarantee stability and the reliability of equipment in running of whole wireless access system because of restarting of local movements control center.
For those skilled in the art; after having understood content of the present invention and principle; can be under the situation that does not deviate from the spirit and scope of the present invention; the method according to this invention is carried out various corrections and the change on form and the details, but these are based on correction of the present invention with change still within claim protection range of the present invention.
Claims (3)
1, a kind of have after recovery is restarted in movements control center in mobile communication system when call out taking place, called subscriber's route query method, it is characterized in that: after local movements control center checks mobile phone user's correlating markings information, extract this user's relevant information, and this user's relevant information sent to home location register by routing inquiry message, after home location register is received routing inquiry message, this user position information of retrieval in database, if positional information exists, then send this user position information to local movements control center, this mobile phone user's that local movements control center sends it back according to home location register positional information is carried out follow-up call proceeding work.
2, called subscriber's route query method according to claim 1 is characterized in that: called routing inquiry information step:
1) calling subscriber's call signaling arrives, and whether the inquiry called subscriber is in conversation, and inquiry mobile phone user's positional information, and the base station controller to the mobile phone user place sends beep-page message;
2), send the mobile management module of called routing inquiry incident to movements control center by the Service Processing Module of movements control center if finding called subscriber's positional information does not exist in local movements control center;
3) mobile management module is handled the incident of receiving, according to the interface protocol between movements control center and the home location register, is organized into called routing inquiry message, and this message is sent to home location register;
4) after home location register is received the called routing inquiry message of mobile management module, according to this mobile phone user of the information retrieval of carrying in the message, home location register is extracted user position information and state information from this user's of retrieving record, according to and movements control center between agreement, the finish message that extracts is become called routing query response message, and this message is sent to the mobile management module;
5) after mobile management module is received the response message of routing inquiry message of home location register, upgrade the positional information of mobile phone user in the movements control center, and to transform routing query response message be the routing inquiry response events, sends this incident to Service Processing Module;
6) after the business module of movements control center was received the response events of routing inquiry, according to the entrained positional information of routing inquiry response events, this user of base station controller transmission beep-page message paging to correspondence carried out follow-up call flow.
3, called subscriber's route query method according to claim 1 and 2, it is characterized in that: when the roaming mobile phone user ownership place movements control center finish restart after, when this roaming of customer call mobile phone user is arranged, ownership place movements control center sends called routing inquiry message to home location register, after waiting for that the home location register response message is returned, according to this mobile phone user's current location, provide the roaming place movements control center of service to initiate terminating call again to this mobile phone user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100258217A CN100477832C (en) | 2004-01-14 | 2004-01-14 | Method of trunk directory inquiry of called subscriber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100258217A CN100477832C (en) | 2004-01-14 | 2004-01-14 | Method of trunk directory inquiry of called subscriber |
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| Publication Number | Publication Date |
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| CN1558692A true CN1558692A (en) | 2004-12-29 |
| CN100477832C CN100477832C (en) | 2009-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100258217A Expired - Fee Related CN100477832C (en) | 2004-01-14 | 2004-01-14 | Method of trunk directory inquiry of called subscriber |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007030991A1 (en) * | 2005-09-14 | 2007-03-22 | Huawei Technologies Co., Ltd. | A method for providing location information and system thereof and a ring back tone device |
| WO2009036629A1 (en) * | 2007-09-17 | 2009-03-26 | Zte Corporation | Processing method after core network element restarting or recovering form failure |
| CN101207630B (en) * | 2006-12-18 | 2012-07-18 | 中兴通讯股份有限公司 | Method of application layer controlled NO 7 signaling dynamic route selection |
| CN113347636A (en) * | 2021-05-19 | 2021-09-03 | 亚信创新技术(南京)有限公司 | Method and device for determining fraud short message and computer equipment |
-
2004
- 2004-01-14 CN CNB2004100258217A patent/CN100477832C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007030991A1 (en) * | 2005-09-14 | 2007-03-22 | Huawei Technologies Co., Ltd. | A method for providing location information and system thereof and a ring back tone device |
| US8005484B2 (en) | 2005-09-14 | 2011-08-23 | Huawei Technologies Co., Ltd. | Method and system for providing location information |
| CN101207630B (en) * | 2006-12-18 | 2012-07-18 | 中兴通讯股份有限公司 | Method of application layer controlled NO 7 signaling dynamic route selection |
| WO2009036629A1 (en) * | 2007-09-17 | 2009-03-26 | Zte Corporation | Processing method after core network element restarting or recovering form failure |
| CN113347636A (en) * | 2021-05-19 | 2021-09-03 | 亚信创新技术(南京)有限公司 | Method and device for determining fraud short message and computer equipment |
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| Publication number | Publication date |
|---|---|
| CN100477832C (en) | 2009-04-08 |
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Assignee: Datang Telecom Tianjin Technology Service Co., Ltd. Assignor: Xi'an Datang Telecommunication Co., Ltd. Contract fulfillment period: 2009.7.1 to 2014.6.30 contract change Contract record no.: 2009120000121 Denomination of invention: Method of trunk directory inquiry of called subscriber Granted publication date: 20090408 License type: Exclusive license Record date: 2009.7.15 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.7.1 TO 2014.6.30; CHANGE OF CONTRACT Name of requester: DATANG TELECOM( TIANJIN ) TECHNOLOGY SERVICE CO., Effective date: 20090715 |
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Granted publication date: 20090408 Termination date: 20170114 |