CN102685733B - A kind of method and system for creating and safeguard mobile station information mirror database - Google Patents
A kind of method and system for creating and safeguard mobile station information mirror database Download PDFInfo
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Abstract
The invention discloses a kind of method and system for creating and safeguard mobile station information mirror database, the method includes: is respectively VLR and SGSN and creates respective mobile station information mirror database, for recording the Mirror Info of mobile station in its service area；When mobile station enters into a VLR or SGSN service area by start or location updating mode, VLR or SGSN obtains the mobile station information of mobile station and is encoded to the IMEI verification request of extension to be sent to EIR；EIR verifies request from the IMEI of the extension received and extracts the part or all of of described mobile station information, and is sent to the mobile station information mirror database of described VLR or SGSN；Mobile station information mirror database is updated according to the mobile station information received.Pass through the present invention, it is achieved that the dynamic mirror in mobile station data storehouse built-in to VLR, SGSN, thus improve the business open ability of mobile communications network.
Description
Technical field
The present invention relates to moving communicating field, particularly relate to a kind of method and system for creating and safeguard mobile station information mirror database.
Background technology
LBS (LocationBasedService, location Based service) is a kind of under the support of GIS (GeographicInformationSystem, GIS-Geographic Information System) platform, provides the user a kind of value-added service of respective service.LBS can extensively support to need the application of Dynamic Geographic spatial information, almost can cover all aspects in life, has huge market scale and good profit prospect.
LBS service business is typically by the mobile station (MobileStation of band GPS function, it is called for short MS) obtain location of mobile station information in outside location mode, wherein mobile station is by mobile device ME and subscriber identification module SIM (SubscriberIdentityModule, contracted user's identification module) constitute, the NS software carrying out mobile device is exactly the NS software to mobile station.
Owing to there is the restriction of the aspects such as GPS mobile phone popularity rate and privacy of user, obtained can only be the positional information of a small amount of user, and cannot ensure degree of accuracy.And, telecom operators typically can be according to business demand, utilize mobile communications network location facilities to obtain in real time and the positional information of mobile station is provided, it is difficult to reusable problem owing to there is the positional information obtained, it is thus desirable to position for each LBS service request, network overhead is big and cost is high.
Therefore, how to promote mobile communications network and the enabling capabilities of positioning function is had become as the key factor promoting LBS business development.
Summary of the invention
In order to overcome above-mentioned the problems of the prior art, the invention provides a kind of method and system for creating and safeguard mobile station information mirror database, to meet the location requirement of mobile communications network business.
In one aspect of the invention, it is provided that a kind of method for creating and safeguard mobile station information mirror database, comprise the following steps:
S1: be respectively vision location logger VLR and GPRS serving GPRS support node SGSN and create respective mobile station information mirror database, for recording the Mirror Info of the mobile station in corresponding VLR/SGSN service area；
S2: when mobile station enters into a VLR or SGSN service area by start or location updating mode, described VLR or SGSN obtains the mobile station information of described mobile station, and described mobile station information is encoded to the IMEI verification request of extension to be sent to equipment identity register EIR；
S3: described EIR extracts the part or all of of described mobile station information from the IMEI verification request of the described extension received and is sent to the mobile station information mirror database of described VLR or SGSN；
S4: described mobile station information mirror database is updated according to the mobile station information received.
In another aspect of the present invention, provide a kind of system for creating and safeguard mobile station information mirror database, for creating in the mobile communications network including vision location logger VLR and/or GPRS serving GPRS support node SGSN, moving exchanging center MSC, equipment identity register EIR and safeguarding mobile station information mirror database, including:
Mobile station information mirror database creating unit, respectively VLR and SGSN creates respective mobile station information mirror database；
Mobile station information mirror database, for recording the Mirror Info of the mobile station in corresponding VLR/SGSN service area；
IMEI verifies extended requests coding unit, it is arranged in VLR/SGSN, for when mobile station enters into VLR/SGSN service area by start or location updating mode, make described VLR or SGSN obtain the mobile station information of described mobile station, and be encoded to the IMEI verification request of extension to be sent to EIR；
Mobile station information transmitting element, is arranged in EIR, extracts the part or all of of described mobile station information for making described EIR verify from the IMEI of the described extension received and is sent to the mobile station information mirror database of described VLR or SGSN request；
Mobile station information mirror database updating block, is arranged in mobile station information mirror database, for moving the renewal of station information mirror database according to the mobile station information received.
The technique scheme provided by the present invention, it is achieved that the dynamic mirror in mobile station data storehouse built-in to VLR/SGSN, thus improve the service supporting capacity of mobile radio communication.
Introducing the concept of a series of reduced form in Summary, this will further describe in detailed description of the invention part.Present invention part is not meant to key feature and the essential features attempting to limit technical scheme required for protection, does not more mean that the protection domain attempting to determine technical scheme required for protection.
Below in conjunction with accompanying drawing, describe advantages and features of the invention in detail.
Accompanying drawing explanation
Fig. 1 is according to one embodiment of the present of invention, is used for creating and safeguarding the flow chart of the method for mobile station information mirror database；
Fig. 2 is IMEI request and the flow chart of verification in prior art；
Fig. 3 is the specific embodiment according to the present invention, involved MSC/SGSN process chart；
Fig. 4 is the specific embodiment according to the present invention, involved EIR process chart；
Fig. 5 is the specific embodiment according to the present invention, the Integral synchronous process chart of involved mobile station information mirror database；
Fig. 6 is the specific embodiment according to the present invention, and the mobile station information of involved mobile station information mirror database updates process chart；
Fig. 7 is the specific embodiment according to the present invention, the mobile station information synchronization process flow chart of involved mobile station information mirror database；
Fig. 8 is according to a preferred embodiment of the present invention, is used for creating and safeguarding the block diagram of the system of mobile station information mirror database.
Detailed description of the invention
In the following description, a large amount of concrete details is given to provide more thorough understanding of the invention.It will be apparent, however, to one skilled in the art that the present invention can be carried out without these details one or more.In other example, in order to avoid obscuring with the present invention, technical characteristics more well known in the art are not described.
Obviously, the execution of the present invention is not limited to the specific details that those skilled in the art is familiar with.Presently preferred embodiments of the present invention is described in detail as follows, but in addition to these describe in detail, the present invention can also have other embodiments.
According to the present invention, it is provided that a kind of method and system for creating and safeguard mobile station information mirror database.The know-why of the present invention is: create mobile station information mirror database, and keep VLR (VisitLocationRegister in mirror image mobile communications network, VLR Visitor Location Register) and SGSN (ServingGPRSSupportNode, GPRS serving GPRS support node) in the mirror image that dynamically changes of mobile station information update.
Wherein, VLR is the dynamic data base storing roaming subscriber location information in the digital mobile cellular telecommunication nets such as GSM, WCDMA and TD-SCDMA, one VLR is usually one or several MSC (Mobile-serviceSwitchCenter, mobile services switching centre) service area service.When roamer enters a new LA (LocationArea, lane place), MSC belonging to this district can notify the lane place at this user place to VLR；If this roamer does not registers in vlr, VLR will be mutual with HLR (HomeLocationRegister, home location register) to obtain the necessary information of the relevant calling of this user；And when user moves to another VLR service area from a VLR service area, new VLR sets up this user for information about, VLR originally then deletes this user for information about.nullThe mobile station information of VLR storage can include (being evolved to subscriber equipment US 3G network from MS，But the two does not has internal difference) IMEI (InternationalMobileEquipmentIdentity that obtains，International mobile equipment identification number)，Also include IMSI (InternationalMobileSubscriberIdentity，IMSI International Mobile Subscriber Identity)、MSISDN(MobileSubscriberISDN，Mobile subscriber ISDN number)、LAI(LocationAreaIdentity，Band of position ID) and MSRN (MobileStationRoamingNumber，Mobile station roaming number) etc.，SGSN address is also included when there is Gs interface.
SGSN is then the important component part of core network packet-domain equipment, moving property of mobile station for this SGSN service area manages, it is integrated with the function being similar to VLR, when user is in GPRSAttach (GPRS attachment) state, SGSN stores the mobile station information relevant with packet, such as user profile and positional information.
Although VLR and SGSN has all stored dynamic location of mobile station information, but owing to they are the internal database of mobile communications network, the most directly open to the outside world, therefore LBS service business cannot directly access VLR and SGSN to obtain location of mobile station information, and namely internal database node cannot be directly used to LBS business.And in the present invention, then the implementation by meeting 3GPP technical specification realizes the dynamic mirror renewal of the mobile station information to VLR and SGSN, thus create and update the mobile station information mirror database that can be accessed by LBS service business, it is achieved to the support of positioning function needed for LBS business.
Specifically, technical specification according to 3GPP, mobile platform started and location updating all can trigger the core component in mobile station--the IMEI checking procedure of mobile device, it is achieved based on ME model or the NS software of individual unit, as prevented stolen, fault and other illegality equipment access network etc..Just because of this characteristic, possibly through IMEI verification, technical staff finds that mobile station enters VLR/SGSN service area process and leaves VLR/SGSN service area process.The technology design of the present invention utilizes this technical specification exactly, by the way of extending mobile station information in IMEI verification request message, make EIR (EquipmentIdentityRegister, equipment identity register, or claim equipment identity register) can control comprehensively in the change procedure of mobile station information data base, and create whereby and synchronized update mobile station information mirror database.The most just to the present invention provide establishment and safeguard that the method for mobile station information mirror database is specifically described.
As it is shown in figure 1, according to one embodiment of present invention, for creating and safeguarding that the method for mobile station information mirror database includes:
Step S101: be respectively vision location logger VLR and GPRS serving GPRS support node SGSN and create respective mobile station information mirror database, for recording the Mirror Info of the mobile station in corresponding VLR/SGSN service area.
In practical implementations, " the respective mobile station information mirror database " that created might not show as single data base.Such as, in one embodiment, the mobile station information mirror database of VLR/SGSN whole in mobile communications network is contained in a global data base, and in the one or more global data base, it is respectively allocated to memory space certain for each VLR and SGSN for recording the Mirror Info of this VLR and SGSN；In order to identify, identifying the mobile station information mirror database of corresponding VLR/SGSN in described global data base respectively with VLRID/SGSNID, this VLRID/SGSNID can be the address of VLR/SGSN.In another embodiment, the mobile station information mirror database of VLR/SGSN whole in mobile communications network can be contained in multiple global data base, each global data base can provide memory space according to setting in advance for a number of mobile station information mirror database；Such as, the mobile station information mirror database of the VLR/SGSN in each global data base can include certain geographic area；In such cases, the mobile station information mirror database of corresponding VLR/SGSN is identified also by VLRID/SGSNID.Certainly, " respective mobile station information mirror database " can also show as the data base of individualism.
It will be understood by those skilled in the art that each its original state of mobile station information mirror database created is sky, for the mobile station information in corresponding VLR/SGSN service area is carried out mirror image.
Step S102: when mobile station enters into a VLR or SGSN service area by start or location updating mode, described VLR or SGSN obtains the mobile station information of this mobile station, and this mobile station information is encoded to the IMEI verification request of extension to be sent to equipment identity register EIR.
It is important to point out, those skilled in the art it will be seen that, when arbitrary mobile station all can trigger IMEI checking procedure by start or location updating mode when entering into a VLR or SGSN service area, in prior art, VLR or SGSN can obtain the relevant information (such as IMSI and MSISDN etc.) of this mobile station, and the IMEI of this mobile station is encoded to IMEI verification request to be sent to equipment identity register EIR；Wherein, do not has the direct interface with EIR due to VLR, it is therefore desirable to being transmitted to EIR, SGSN by MSC is then directly to send IMEI verification request to EIR.
The present invention is to be extended on the basis of existing technology, will the specific field of relevant information of this mobile station acquired in VLR/SGSN, referred to as mobile station information, be encoded to the IMEI verification request of extension.
Wherein, above-mentioned mobile station information at least includes the IMEI of this mobile station, the most at least includes at least one of IMSI and MSISDN of this mobile station and the lane place identification code LAI of this mobile station.Certainly, the information such as other fields, such as VLRID or SGSNID, current mobile device state CES can also be comprised according to actual needs.
The step of the IMEI verification request that mobile station information is specifically encoded to extension includes: IMEI is encoded in IMEI verification request message by VLR/SGSN according to prior art, and is encoded to by the mobile station information in addition to IMEI in the extension container parameter of IMEI verification request message.
Afterwards, the IMEI verification request of extension directly can be sent to EIR by SGSN by MSC by VLR.
Step S103:EIR verifies from the IMEI of the extension received and extracts the part or all of of mobile station information request and be sent to the mobile station information mirror database of this VLR or SGSN.
Wherein, the mobile station information extracted can not include that basis pre-sets and think without being mirrored to the field in mobile station information mirror database, such as, and IMEI field.
Step S104: mobile station information mirror database is updated according to the mobile station information received.
Wherein, the operation being updated can be divided into two kinds of situations:
If mobile station information mirror database has comprised the data record corresponding with this mobile station, then use this mobile station information to update legacy data record, i.e. use the new information received to replace the original information under mobile station information mirror database respective entries；
Otherwise, mobile station information mirror database does not i.e. comprise the data record corresponding with this mobile station, the then newly-increased data record corresponding with this mobile station in mobile station information mirror database, and delete data record corresponding with this mobile station in other mobile station information mirror databases.
Operated by above-mentioned renewal, it is achieved that the internal database of VLR/SGSN and the dynamic synchronization of mobile station information mirror database.
It is important to point out, in above-mentioned renewal operates, for master index, mobile station information can be added in mobile station information mirror database with specific field；This specific field can be IMSI and/or MSISDN, shows the mobile station corresponding to data record.Field under master index includes the LAI that can include being identified for the lane place of mobile station, being polymerized in the case of one or more global data bases at mobile station information mirror database, also including for mobile station being belonged to VLRID or SGSNID that VLR or SGSN is identified.
Additionally, in above-mentioned renewal operates, various ways can be taked to realize the deletion of data record in other mobile station information mirror databases.Such as, can be notified that other mobile station information mirror databases delete the data record of corresponding mobile station in a broadcast manner by current mobile station information mirror database, the previous mobile station information mirror database recording this mobile station information can be known by current mobile station information mirror database by inquiry HLR and notified, or, it is polymerized in the case of one or more global data bases at mobile station information mirror database, legacy data record can be found out by the IMSI/IMSISN field in retrieval global data base and deletes, etc..
Be can be seen that by above-mentioned steps S101～S104, the method provided by the present invention, mobile station information mirror database understood the internal database of mirror image VLR/SGSN and under the conditions of meeting information security management, there is not the restriction of the access to LBS service business, thus providing positioning function by the positional information in mobile station information mirror database to business such as LBS.
Particularly, in the business such as LBS, to being similar to problems such as " I where ", optimum answer is typically the band of position at mobile station place (as I am in the somewhere in certain city, or the vicinity etc. of a certain landmark) rather than the current geographical coordinate (latitude and longitude information provided such as the mobile phone of band GPS function) of mobile station；Therefore, the positional information in mobile station information mirror database can meet the major demands of the business such as LBS, and can promote positioning precision further by the way of adjusting lane place.
Specifically, above-mentioned mobile station information mirror database is the dynamic data base storing location of mobile station information, and the support to business such as LBS can be realized by following two mode:
● to inquire about database mode, business provides up-to-date location of mobile station information (such as VLR service area, SGSN service area, lane place etc.) as LBS etc.；
● the business such as the renewal " event " utilizing mobile station information mirror database is LBS provide and drive, and can possess real time propelling movement ability, as realized being automatically signing in of mobile station or mobile subscriber.
Therefore, when utilizing the location requirement that mobile station information mirror database meets the business such as LBS, the operation of VLR/SGSN will not be constituted and directly affect, achieve the isolation of business support and the network operation, can fundamentally solve business demand and the balance problem of network performance during open network ability.
Further, although above-described embodiment provides for the dynamic mirror of mobile station information in VLR/SGSN internal database, but for not triggering the mobile station of IMEI verification, such as not switching on and shutting down within a period of time, or the mobile station not moved in and out at a certain LA, this mobile station information mirror database is not the most detected.Accordingly, as preferred embodiment, also include that, to the Integral synchronous of mobile station information in VLR/SGSN internal database, it combines with above-mentioned dynamic mirror, it is possible to ensure that the two mobile station information stored is completely the same.
Concrete, above preferred embodiment is realized by following steps: under certain condition, by specific instruction, mobile station informations whole in described VLR/SGSN is sent to carry out in corresponding mobile station information mirror database the Integral synchronous of data base.
Wherein, this certain condition includes that VLR/SGSN starts and/or reaches predetermined period, i.e. synchronize to empty corresponding mobile station information mirror database when starting (including restarting) VLR/SGSN, and mobile station information mirror database is refreshed by the interim or regular mobile station information to store in VLR/SGSN.In actual applications, owing to the mobility of mobile station is relatively strong, can reach the most repeatedly location updating in busy, so being not required to regularly carry out the Integral synchronous of data base；In typical case, when VLR/SGSN resets, the corresponding data record synchronizing to empty in mobile station information mirror database can meet Integral synchronous demand.
The operation of above-mentioned Integral synchronous can be controlled by by manager's platform, and such as manager writes processing batch instruction for each VLR/SGSN, is set for the cycle of Integral synchronous, and instruct and automatically copy when reaching predetermined period and send；For another example, manager determine start (including restarting) a certain/some VLR/SGSN time, instruct corresponding mobile station information mirror database reset；Etc..
Can be seen that, by the above preferred embodiment of the present invention, can be at a certain time point meeting described certain condition, including initializing or the moment of arbitrary agreement, realize mobile station information mirror database and the Integral synchronous of VLR/SGSN internal database, and the most dynamically update any change of mobile station information in VLR/SGSN, thus it is completely the same to realize the two mobile station information stored, and constitutes mirror image relationship truly.
It should be added that, the method safeguarding mobile station information mirror database that the present invention provides is that the IMEI verification utilizing and meeting 3GPP technical specification realizes the mirror image for VLR/SGSN internal database, it does not disturb the intrinsic handling process of IMEI verification itself, the sender and the MSC/SGSN that feed back to IMEI verification request message after carrying out IMEI verification including EIR and check results is encoded to IMEI verification response message receive described IMEI and verify response message, and according to the check results parsed, mobile station are carried out NS software etc..For the ease of it will be appreciated by those skilled in the art that Fig. 2 shows the handling process of IMEI verification in prior art, including:
Step S201:VLR sends IdentityRequest (identifying request) message by MSC/SGSN itself to MS；
Step S202:MS response IdentityResponse (identifying response) message；
Step S203: if it is determined that verify IMEI with EIR, then VLR sends CheckIMEI (IMEI verifies request) message by MSC/SGSN itself to EIR；
Step S204:EIR returns CheckIMEIAck (IMEI verifies response) message, and MSC/SGSN determines whether this mobile station access network according to the check results received.
Wherein, step S201 to step S202 for obtaining the identification parameter (such as IMEI or international mobile equipment identification number and software version number IMEISV) of network side request from mobile station.IMEI verification can require to use IMEI or IMEISV to the mobile device identifying in mobile station according to user.Owing to IMEI checking procedure not being constituted substantial effect, discussion afterwards is no longer done strict differentiation.
Typically it is integrated in due to VLR in MSC and is provided external interface by MSC, therefore figure only illustrating with MSC.
Furthermore, it is necessary to it is emphasized that above-mentioned IMEI checking process is for the EIR enabling IMEI verifying function；Mobile communications network for not actuated IMEI verifying function, then can be using the CES of acquiescence as check results or directly to be put into white list as check results, the sender and the MSC/SGSN that feed back to IMEI verification request message after this check results is encoded to IMEI verification response message receive described IMEI and verify response message, and according to the check results parsed, mobile station are carried out NS software.Visible, the present invention make use of, establishment that IMEI verifies and the method safeguarding mobile station information mirror database are not limited in mobile communications network whether enable IMEI verifying function.
So far, to establishment provided by the present invention with safeguard that the method for mobile station information mirror database is set forth, for the ease of skilled artisan understands that, below around establishment provided by the present invention and the method for safeguarding mobile station information mirror database, it is been described by by the Processing Example of concrete equipment.
Fig. 3 shows the handling process of MSC/SGSN in the present invention, and including the handling process of two kinds of situations, the process of a kind of situation includes that step S301～S307, the process of another kind of situation include step S308～S315；It will be understood by those skilled in the art that both handling processes the most do not exist precedence relationship:
Step S301, receives Integral synchronous trigger event (such as reset, operational order, periodic task etc.)；
Step S302, obtains required mobile station information；
Step S303, arranges MSDatabaseSynRequest (Integral synchronous request) message, and this message includes the mobile station information acquired in step S302；
Step S304, sends MSDatabaseSynRequest message to mobile station information mirror database；
Step S305, waits MSDatabaseSynResponse (Integral synchronous response) message；
Step S306, receives MSDatabaseSynResponse message；
Step S307, receive and parse through the MSDatabaseSynResponse coming from mobile station information mirror database, if having completed this simultaneously operating, then process ends, otherwise goes to step S302 and continues executing with Integral synchronous operation (such as repeat or send remaining mobile station information etc.)；
Step S308, receives IMEI and verifies trigger event, such as identification request, authentication ciphering etc.；
Step S309, checks whether startup IMEI checking process, if it is not required, then process ends；
Step S310, acquisition triggers the information such as IMSI, MSISDN, IMEI, CES, VLRID/SGSNID and LAI of the mobile station of this IMEI verification；
Step S311, ExtendedCheckIMEI (extension IMEI verification) message is set: IMEI is encoded to the CheckIMEI message of standard by the MAP_CHECK_IMEI primitive specified by 3GPP agreement, IMSI, MSISDN, CES, VLRID/SGSNID and LAI information with in the form coding of extensionContainer/privateExtensionList/extId to the extension container of MAP_CHECK_IMEI primitive, wherein, each extId can include most 16 2 byte integer, uses ASN.1 mode to encode；
Step S312, is sent to EIR by ExtendedCheckIMEI message；
Step S313, waits the CheckIMEIAck message coming from EIR；
Step S314, receives and parses through the CheckIMEIAck message coming from EIR；
According to the check results parsed from CheckIMEIAck message, step S315, determines whether that described mobile device carries out network access.
Fig. 4 shows the handling process of EIR in the present invention, including:
Step S401, receives ExtendedCheckIMEI message；
Step S402, is decoded received ExtendedCheckIMEI message, parses the information such as IMSI, MSISDN, IMEI, CES, VLRID/SGSNID and LAI；
Step S403, target device state ES of mobile device is obtained in modes such as inquiry tables of data, the check results of this IMEI i.e. verification, if the validity checking function of the not actuated mobile device of telecommunication carrier, then using current equipment state CES or be put into white list as check results；
Step S404, utilizes the check results obtained to arrange CheckIMEIAck message；
Step S405, by CheckIMEIAck message feedback to the sender of ExtendedCheckIMEI message；
Step S406, sends MSInfoUpdateRequest (MS information updating request) message to mobile station information mirror database, comprises the mobile station informations such as IMSI, MSISDN, IMEI, CES, VLRID/SGSNID and LAI in this message；
Step S407, waits MSInfoUpdateResponse (the MS information updating response) message coming from mobile station information mirror database；
Step S408, receives the MSInfoUpdateResponse message coming from mobile station information mirror database, confirms that mobile station information updates operation and completes.
Fig. 5 shows the Integral synchronous handling process of mobile station information mirror database in the present invention, including:
Step S501, receives MSDatabaseSynRequest and asks message；
Step S502, parses institute's containing parameter in MSDatabaseSynRequest message；
Step S503, carries out Integral synchronous according to command request；
Step S504, arranges MSDatabaseSynResponse message；
Step S505, sends MSDatabaseSynResponse message.
Fig. 6 shows that the mobile station information of mobile station information mirror database in the present invention updates handling process, including:
Step S601, receives MSInfoUpdateRequest message；
Step S602, parses institute's containing parameter in MSInfoUpdateRequest message；
Step S603, searches for relevant data record in data base；
Step S604, if there is relevant data record in data base, proceeding to step S609, otherwise proceeding to step S605；
Step S605, arranges MSInfoSynRequest (request of MS synchronizing information) message；
Step S606, sends MSInfoSynRequest message to other mobile station information mirror databases；
Step S607, waits MSInfoSynResponse (response of MS synchronizing information) message；
Step S608, receives MSInfoSynResponse message, proceeds to step S610；
Step S609, updates relevant data record in data base；
Step S610, arranges MSInfoUpdateResponse message；
Step S611, sends MSInfoUpdateResponse message.
Fig. 7 shows the mobile station information synchronization process flow process in the present invention between mobile station information mirror database, including:
Step S701, receives MSInfoSynRequest message；
Step S702, parses institute's containing parameter in MSInfoSynRequest message；
Step S703, searches for relevant data record in data base；
Step S704, if there is relevant data record in data base, proceeding to step S705, otherwise proceeding to step S706；
Step S705, deletes relevant data record in data base；
Step S706, arranges MSInfoSynResponse message；
Step S707, sends MSInfoSynResponse message.
It follows that to establishment provided by the present invention with safeguard that the system of mobile station information mirror database is been described by.
As shown in Figure 8, showing this establishment and safeguard the schematic diagram of preferred embodiment of system 800 of mobile station information mirror database, it is for creating and safeguarding mobile station information mirror database in the mobile communications network including VLR and/or SGSN, MSC, EIR.This system 800 includes:
Mobile station information mirror database creating unit 801, it is respectively VLR and SGSN and creates respective mobile station information mirror database, assume that in mobile communications network, VLR and SGSN is N number of, then the mobile station information mirror database created is respectively 802 (1), 802 (2) ... 802 (N)；
Mobile station information mirror database 802 (1), 802 (2) ... 802 (N), for recording the Mirror Info of the mobile station in corresponding VLR/SGSN service area；In the preferred embodiment, mobile station information mirror database 802 (1), 802 (2) ... 802 (N) can be contained in the one or more global data base (not shown), identifies the mobile station information mirror database 802 (1), 802 (2) of corresponding VLR/SGSN ... 802 (N) in global data base respectively with VLRID/SGSNID；
IMEI verifies extended requests coding unit 803 (1), 803 (2) ... 803 (N), it is arranged in corresponding VLR/SGSN, for when mobile station enters into a certain VLR/SGSN service area by start or location updating mode, make this VLR or SGSN obtain the mobile station information of this mobile station, and be encoded to the IMEI verification request of extension to be sent to EIR；It is to be noted, according to 3GPP specification, VLR/SGSN has had IMEI verification request encoding function, is based on this existing specification in the present invention, the coded object of IMEI verification request is carried out extension setting, has been not required to the software and hardware of VLR/SGSN equipment is changed on a large scale；Additionally, mobile station information at least include mobile station IMEI, mobile station at least one of IMSI and MSISDN and the LAI of mobile station；Let it be assumed, for the purpose of illustration, that the IMEI verification request of 803 (p) IMEI verification extended requests coding unit coding extension is sent to EIR；It will be appreciated by those skilled in the art that, mobile communications network can exist multiple EIR, the MSC/SGSN being respectively in appointment region provides service, and therefore IMEI verifies extended requests coding unit 803 (1), 803 (2) ... 803 (N) send the IMEI verification request extended respectively to the EIR serving this MSC/SGSN；
Mobile station information transmitting element 804, is arranged in EIR, extracts the part or all of of this mobile station information for making EIR verify from the IMEI of the extension received and is sent to mobile station information mirror database 802 (p) of this VLR or SGSN request；Certainly, network can have multiple EIR, i.e. there is multiple mobile station information transmitting element, it is respectively IMEI and verifies extended requests coding unit 803 (1), 803 (2) ... 803 (N) services, and carries out example with a mobile station information transmitting element but limit to absolutely not in Fig. 8；
Mobile station information mirror database updating block 805 (1), 805 (2) ... 805 (N), it is arranged on mobile station information mirror database 802 (1), 802 (2) ... in 802 (N), for carrying out the renewal of corresponding mobile station information mirror database according to the mobile station information received；Same, those skilled in the art it will be seen that, when mobile station information mirror database 802 (1), 802 (2) ... when 802 (N) are contained in the one or more global data base, mobile station information mirror database updating block 805 can also be integrated in these one or more global data bases accordingly；
Concrete, this mobile station information mirror database updating block 805 can include (not shown):
Data record identification module, has comprised the data record corresponding with described mobile station for identifying in described mobile station information mirror database；
Data record more new module, in the case of having comprised the data record corresponding with described mobile station in mobile station information mirror database, uses described mobile station information to update legacy data record；
Data record increases module newly, in the case of not comprising the data record corresponding with described mobile station in mobile station information mirror database, the newly-increased data record corresponding with described mobile station, and trigger the data record that the deletion of other mobile station information mirror databases is corresponding with described mobile station.
By foregoing description, establishment provided by the present invention and safeguard that the system of mobile station information mirror database is capable of for the dynamic mirror of mobile station information in internal database in VLR/SGSN, the processing mode of the most above-mentioned each unit/module is described in corresponding method part, does not repeats them here.
Additionally, in order to realize mobile station information mirror database and mobile station information completely the same in internal database in VLR/SGSN, system 800 the most also includes:
Integral synchronous unit 806, under certain condition, is sent to mobile station informations whole in VLR/SGSN in corresponding mobile station information mirror database by specific instruction；Described certain condition includes that described VLR/SGSN starts and/or reaches predetermined period；And
Mobile station information mirror database lock unit 807 (1), 807 (2) ... 807 (N), it is arranged on mobile station information mirror database 802 (1), 802 (2) ... in 802 (N), for mobile station information mirror database being carried out data base's Integral synchronous according to the specific instruction received；Certainly, when mobile station information mirror database 802 (1), 802 (2) ... when 802 (N) are contained in the one or more global data base, mobile station information mirror database lock unit 807 can also be integrated in these one or more global data bases accordingly.
So far, to establishment provided by the present invention with safeguard that the system of mobile station information mirror database is set forth, this establishment and safeguard that the system of mobile station information mirror database can provide the mirror image even completely of the dynamic mirror of internal database in VLR/SGSN, therefore establishment and the application of this mobile station information mirror database extends the service supporting capacity of mobile communications network effectively, by the mobile position estimation function needed for the business such as LBS on the premise of can balancing each other with network performance realizing business demand.
The present invention is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is only intended to citing and descriptive purpose, and is not intended to limit the invention in described scope of embodiments.In addition it will be appreciated by persons skilled in the art that and the invention is not limited in above-described embodiment, more kinds of variants and modifications can also be made according to the teachings of the present invention, within these variants and modifications all fall within scope of the present invention.Protection scope of the present invention is defined by the appended claims and equivalent scope thereof.
Claims (6)
1. the method being used for creating and safeguarding mobile station information mirror database, it is characterised in that comprise the following steps:
S1: be respectively vision location logger VLR and GPRS serving GPRS support node SGSN and create respective mobile station information mirror database, for recording the Mirror Info of the mobile station in corresponding VLR/SGSN service area；
S2: when mobile station enters into a VLR or SGSN service area by start or location updating mode, described VLR or SGSN obtains the mobile station information of described mobile station, and described mobile station information is encoded to the IMEI verification request of extension to be sent to equipment identity register EIR
Wherein said mobile station information at least includes the international mobile equipment identification number IMEI of described mobile station, the international mobile subscriber identity IMSI of described mobile station and at least one of mobile subscriber IDSN number MSISDN and the lane place identification code LAI of described mobile station；And
The step of the IMEI verification request that described mobile station information is wherein encoded to extension includes: IMEI is encoded in IMEI verification request message and is encoded to by the described mobile station information in addition to IMEI in the extension container parameter of IMEI verification request message by VLR/SGSN；IMEI is encoded to the IMEI verification request message of standard by the MAP_CHECK_IMEI primitive wherein specified by 3GPP agreement, IMSI, MSISDN, CES, VLRID/SGSNID and LAI information with in the form coding of extensionContainer/privateExtensionList/extId to the extension container of MAP_CHECK_IMEI primitive；The IMEI of extension is verified request and is sent to EIR；
S3: described EIR extracts the part or all of of described mobile station information from the IMEI verification request of the described extension received and is sent to the mobile station information mirror database of described VLR or SGSN；
S4: described mobile station information mirror database is updated according to the mobile station information received, and described step S4 includes:
If described mobile station information mirror database has comprised the data record corresponding with described mobile station, then described mobile station information is used to update legacy data record；
Otherwise, the newly-increased data record corresponding with described mobile station in described mobile station information mirror database, and delete data record corresponding with described mobile station in other mobile station information mirror databases.
Method the most according to claim 1, it is characterized in that, the mobile station information mirror database of VLR/SGSN whole in mobile communications network is contained in one or more global data base, identifies the mobile station information mirror database of corresponding VLR/SGSN in described global data base respectively with VLRID/SGSNID.
3. according to the arbitrary described method of claim 1 or 2, it is characterized in that, it is additionally included under certain condition, by specific instruction, mobile station informations whole in described VLR/SGSN is sent to carry out in corresponding mobile station information mirror database the Integral synchronous of data base；Described certain condition includes that described VLR/SGSN starts and/or reaches predetermined period.
4. the system created and safeguard mobile station information mirror database, for creating in the mobile communications network including vision location logger VLR and/or GPRS serving GPRS support node SGSN, moving exchanging center MSC, equipment identity register EIR and safeguarding mobile station information mirror database, it is characterized in that, including:
Mobile station information mirror database creating unit, respectively VLR and SGSN creates respective mobile station information mirror database；
Mobile station information mirror database, for recording the Mirror Info of the mobile station in corresponding VLR/SGSN service area；
IMEI verifies extended requests coding unit, it is arranged in VLR/SGSN, for when mobile station enters into VLR/SGSN service area by start or location updating mode, described VLR or SGSN is made to obtain the mobile station information of described mobile station, and it being encoded to the IMEI verification request of extension to be sent to EIR, described mobile station information at least includes the international mobile subscriber identity IMSI of described mobile station and at least one of mobile subscriber IDSN number MSISDN and the lane place identification code LAI of described mobile station；
During wherein IMEI is encoded to IMEI verification request message by VLR/SGSN and the described mobile station information in addition to IMEI is encoded in the extension container parameter of IMEI verification request message；IMEI is encoded to the IMEI verification request message of standard by the MAP_CHECK_IMEI primitive wherein specified by 3GPP agreement, IMSI, MSISDN, CES, VLRID/SGSNID and LAI information with in the form coding of extensionContainer/privateExtensionList/extId to the extension container of MAP_CHECK_IMEI primitive；The IMEI of extension is verified request and is sent to EIR；
Mobile station information transmitting element, is arranged in EIR, extracts the part or all of of described mobile station information for making described EIR verify from the IMEI of the described extension received and is sent to the mobile station information mirror database of described VLR or SGSN request；
Mobile station information mirror database updating block, is arranged in mobile station information mirror database, for moving the renewal of station information mirror database according to the mobile station information received；Described mobile station information mirror database updating block includes:
Data record identification module, has comprised the data record corresponding with described mobile station for identifying in described mobile station information mirror database；
Data record more new module, in the case of having comprised the data record corresponding with described mobile station in mobile station information mirror database, uses described mobile station information to update legacy data record；
Data record increases module newly, in the case of not comprising the data record corresponding with described mobile station in mobile station information mirror database, the newly-increased data record corresponding with described mobile station, and trigger the data record that the deletion of other mobile station information mirror databases is corresponding with described mobile station.
System the most according to claim 4, it is characterized in that, described system includes one or more global data base, the mobile station information mirror database of VLR/SGSN whole in described mobile communications network is contained in the one or more global data base, identifies the mobile station information mirror database of corresponding VLR/SGSN in described global data base respectively with VLRID/SGSNID.
6. according to the arbitrary described system of claim 4 or 5, it is characterised in that also include Integral synchronous unit, under certain condition, by specific instruction, mobile station informations whole in described VLR/SGSN is sent in corresponding mobile station information mirror database；Described certain condition includes that described VLR/SGSN starts and/or reaches predetermined period；
Mobile station information mirror database lock unit, is arranged in mobile station information mirror database, for carrying out the Integral synchronous of the data base of described mobile station information mirror database according to the described specific instruction received.
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