CN101305631A - Gateway mobile locating center and implementing method - Google Patents
Gateway mobile locating center and implementing method Download PDFInfo
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Abstract
A Gateway mobile location center includes access module, control module and service layer module which connect in turn, wherein service layer module comprises multiple signaling gateway modules corresponding to different mobile networks; control module routes location request to one or more of the multiple signaling gateway modules according to mobile network type of located user; location results returned by the multiple signaling gateway modules to control module have a uniform format. The present invention can accommodate a variety of different interfaces of mobile communication networks, support the function of locating the users in different networks at the same time, support smoothing evolution of network system protocol version; meanwhile, accommodate different location architectures, and support both location under control plane mode and location under user plane mode.; The present invention can reduce system investment, facilitate system maintenance and reduce operation cost.
Description
A kind of Gateway Mobile Location Center and its implementation technical field
The present invention relates to Gateway Mobile Location Center in mobile data services, particularly a kind of implementation for the centre of location that can support a variety of mobile communication networks simultaneously.Background technology
Position service function is a business for being best able to embody user mobility in the various data services that modern mobile communication network is provided.Generally, this service function can be embodied as a kind of integrated service, and Gateway Mobile Location Center（GMLC, Gateway Mobile Location Center) basic professional ability will be provided for various attractive integrated services, that is, obtain the home position information of user（Longitude and latitude, elevation, speed）.As its name suggests, Gateway Mobile Location Center is the network element of an effect for serving critical point, and builds Gateway Mobile Location Center and be just able to the premise carried out as the integrated services of various use positional informations.Accompanying drawing 1 illustrates the architectural schematic that whole mobile network provides location-based service, as shown in figure 1, Gateway Mobile Location Center connection mobile network and location service client（LCS Client, LoCation Service Client ).
For the angle of service provider, want to be serviced for the user of most quantity by easily mode, regardless of whether these users are to use the terminal in any mobile network, such as GSM Global System for mobile Communication, global system for mobile communications), CDMA (Code Division Multiple Access, CDMA), PHS (Personal Handphone System, personal handyphone system), WCDMA (Wide Band CDMA, WCDMA：) etc..
For Virtual network operator, it is desirable to be able to reduce equipment investment, the expense of system operation management is reduced, the impacted degree of business is reduced during system upgrade evolution, more satisfied service is provided the user.
These demands are widely present, while being also embodied in carry out in the international standards that positioning service is specified.For to service provider and various positioning applications, for the location client end either taken out therefrom, there are XML (the eXtensible Marked Language that international organization specifies, extensible markup language) form unified Le specifications, as long as following this consensus standard between Gateway Mobile Location Center and location client end, it is possible to meet the demand of above-mentioned service provider.
For Virtual network operator, although various mobile networks can be provided by way of signaling in the positional information of user, such as GSM, WCDMA, PHS network, MAP (Mobile can be passed through
Application Part, MAP) signaling obtain user current location information.But the form of these MAP signalings is not quite similar, and the definition of these signaling formats is changed with the change of mobile network protocol specification version, that is to say, that as these interfaces for Gateway Mobile Location Center and in different mobile network between network element be also different.It is further noted that, because mobile operator equipment investment is progressively carried out, that is to say, that can face to exist while following the equipment of different specification version in same mobile network.Virtual network operator not only needs to support the positioning of chain of command mode simultaneously, it is also possible to require while the positioning of user plane mode is supported, to support technological development direction from now on, and it is desirable that the support to both positioning methods is integrated, seamless, it is transparent for service provider.
Consider from this angle, it appears that the function that positioning gateway is realized with a kind of system architecture of loose coupling is proper.That is, the gateway centre of location is implemented separately for each network structure, route test is done using critical point location equipment, or is connected by location client end with multiple gateway centres of location, voluntarily the flow direction of control business.
But we must consider that, in the flow of whole positioning service, after the otherness for eliminating signaling interface, the similitude of heterogeneous networks structure is a lot.It is all rapid including similar authentication, positioning, record location result, charging, generation ticket Deng Walk in these flows.And need to introduce more equipment in systems using Loosely Coupled Architecture, cause more functions to repeat, and be difficult to use Optimized Measures in systems, then the result brought is the decline of the efficiency of whole system, the rising of cost of investment, operation management difficulty is increased.The content of the invention
It is an object of the invention to provide a kind of Gateway Mobile Location Center and its implementation, it uses tightly coupled implementation, the difference of different mobile communications network signaling systems is adapted to the mode of multiple SGWs, the positioning of the user supported simultaneously in a set of Gateway Mobile Location Center equipment in different location architectures and heterogeneous networks is realized.
To achieve these goals, the invention provides a kind of Gateway Mobile Location Center, including the AM access module being sequentially connected, control module and service layer's module, wherein, service layer's module includes the multiple signaling gateway modules for being used to realize positioning service corresponding to different mobile networks；
Control module is used to Location Request is routed into one or more of the multiple signaling gateway module according to the mobile network's type for being positioned user；
The positioning result that multiple signaling gateway modules return to the control module has unified form.Above-mentioned Gateway Mobile Location Center, thing is passed through between AM access module, control module and service layer's module
Part triggering is mutually controlled, and the identical context data structure encapsulated in the event is operated, the event has globally unique event name or event number, and Location Request is routed to one or more of the multiple signaling gateway module using different events and carries out localization process by the control module.
Meanwhile, service layer's module also includes user plane processing module, and Location Request is routed to user plane processing module using event and carries out localization process by the positioning for realizing the mobile phone for supporting user plane positioning function, control module.
Simultaneously, when a corresponding mobile network in multiple signaling gateway modules includes multiple evolution versions, signaling gateway module includes the multiple SGW submodules for corresponding to the different evolution versions of same mobile network, control module is according to the mobile network's type for being positioned user, Location Request is routed to using event a progress localization process in described SGW submodule, communicated corresponding to multiple SGW submodules of the different evolution versions of same mobile network using between identical event and control module.
Simultaneously, service layer's module also includes a roaming processing module, for realizing positioning when being positioned mobile phone roaming, signaling gateway module is additionally operable to judge that described be positioned Location Request after the roaming state of mobile phone is sent to the roaming processing module progress localization process by control module.
In order to preferably realize above-mentioned purpose, present invention also offers a kind of implementation method of Gateway Mobile Location Center, comprise the following steps：
Access Layer module, the processing for being responsible for Le interfaces are set；
Control module, the control for whole positioning service flow are set；
The multiple signaling gateway modules for being used to realize positioning service corresponding to different mobile networks are set；The AM access module, control module and signaling gateway module are mutually controlled by event triggering, for being operated to the identical context data structure encapsulated in the event, the event has globally unique event name or event number, the control module is routed to one or more of the multiple signaling gateway module according to the mobile network's type for being positioned user, by Location Request and carries out localization process；
The positioning result that the multiple signaling gateway module returns to the control module has unified form.The implementation method of above-mentioned Gateway Mobile Location Center, wherein, in addition to step：
One user plane processing module is set, and Location Request is routed to the user plane processing module using event and spouted row localization process by the positioning for realizing the mobile phone for supporting user plane positioning function, the control module.
The implementation method of above-mentioned Gateway Mobile Location Center, wherein, in addition to step：
The one roaming processing module for corresponding to the signaling gateway module is set, positioned for being realized when being positioned mobile phone roaming, is positioned Location Request described in the signaling gateway module judgement after the roaming state of mobile phone
The roaming processing module is sent to by the control module and carries out localization process.
The interface of a variety of mobile communication networks is suitable for using the present invention, the function of being positioned simultaneously to user in heterogeneous networks is supported, supports the smooth evolution of network system protocol version；And different location architectures are adapted to simultaneously, both support the positioning under chain of command mode or the positioning under support user plane mode.The investment of system can be reduced simultaneously, facilitated the maintenance of system, reduced operation cost；
Because the present invention uses asynchronous event driven manner, the advantage of tightly coupled system can be embodied, the contact of the loose coupling between system various pieces is maintained again, the handling capacity of system can also be improved；
Using present invention Object--oriented method easy to use to network analysis and modeling.Brief description of the drawings
Fig. 1 is the system assumption diagram that whole mobile network provides location-based service；
Fig. 2 is the architecture of Gateway Mobile Location Center；
Fig. 3 is while supporting the GMLC of GSM and WCDMA networks modular structure.Embodiment
Fig. 1 is the system assumption diagram that whole mobile network provides location-based service, Fig. 1 represents network element entity related to positioning in mobile network with relatively coarse mode, and it is mainly and highlights position of the Gateway Mobile Location Center in whole location architectures and network element related to positioning in different mobile networks is due to all while undertake the important function in mobile network, their external interfaces are relatively stablized, it is few perhaps to changing system architecture and interface specification so only focusing on their interfaces between Gateway Mobile Location Center here the need for a certain business.
As shown in Fig. 2 the Gateway Mobile Location Center of the present invention includes：
AM access module 10, it is connected by Le interfaces with LCS Client, is responsible for the processing of Le interfaces, including receives Le to ask and returning to Le responses；
Control module 20, it is connected with AM access module 10, it is responsible for the control of whole positioning service flow, communicated between control module 20 and AM access module 10 by event mode, context object is included in event, made a distinction simultaneously using globally unique event name or event number, the strategy that control module is customized according to user judges that it is to belong to which mobile network to be positioned user, and Location Request is routed in the submodule of different service layer's modules 30 using different events；
Service layer's module 30, is connected with control module 20, between service layer's module 30 and control module 20
Communicated again by event mode, service layer's module can decide whether to start according to configuration, service layer's module includes multiple submodule, which submodule such as authentication module, user plane processing module, signaling gateway module, roaming processing module, service layer's module 30 can use according to decision the need for systemic-function.
Wherein：
AM access module 10, control module 20 and service layer's module 30 are independent scheduling unit, it runs direct control not by other modules, but complete Row control by way of event is triggered, context data structure is packed in event, the state transition of context is triggered by event, it is the migration to representing the state of the context object of Location Request first that the function of i.e. each module is carried out triggering its action completed by event, and each module controls the flow of a request by way of sending event；
Authentication module in service layer's module 30 is used for all kinds of authentications；
For multiple mobile networks（As GSM nets and WCDMA Ah）And the different evolution versions of same mobile network are, it is necessary to which multiple signaling gateway modules are adapted to：The different signaling gateway module of different mobile network's correspondences, it is communicated between control module by different events；The different different signaling gateway modules of evolution version correspondence of same mobile network, but the corresponding different signaling gateway modules of different evolution versions of same mobile network will not start, but they are communicated using between identical event and control module simultaneously；
Roam processing modules implement roaming function；
User plane processing module be used to supporting while chain of command positioning is supported user plane it is fixed you whole positioning flow can be optimized；
Positioning result is unified to be represented using intermediate form, and all modules are unified to be operated to identical context mechanism：For different mobile networks and corresponding evolution version, it is adapted to respectively by different signaling gateway modules, these signaling gateway modules are communicated between the difference and control module according to network type using different events, but identical context data structure is all packed in all events, and represent positioning result using unified intermediate form in context data structure；
For different mobile networks, Location Request is routed to different signaling gateway modules by control module according to the customizable strategy of client, for example, number according to user is positioned makes a distinction, or the ability or residing network environment according to user terminal make a distinction, the Location Request of the user in heterogeneous networks is directed to using different event routes by control module, and the strategy of this route is that client is customizable.
The implementation to technical scheme is described in further detail below in conjunction with the accompanying drawings.
The implementation method of the Gateway Mobile Location Center of the present invention, it is characterised in that comprise the following steps：
Access Layer module, the processing for being responsible for Le interfaces are set；
Control module, the control for whole positioning service flow are set；
The multiple signaling gateway modules for being used to realize positioning service corresponding to different mobile networks are set；One user plane processing module is set, and Location Request is routed to the user plane processing module using event and carries out localization process by the positioning for realizing the mobile phone for supporting user plane positioning function, the control module；The one roaming processing module for corresponding to the signaling gateway module is set, for realizing positioning when being positioned mobile phone roaming, the signaling gateway module judges that described be positioned Location Request after the roaming state of mobile phone is sent to the roaming processing module progress localization process by the control module；
One authentication module is set, client authentication, service authentication and privacy authentication are carried out respectively to client-side information, location initiator and the mark for being positioned user；
The AM access module, control module and service layer's module signaling gateway module are mutually controlled by event triggering, for being operated to encapsulating identical context data structure in the event, the event has globally unique event name or event number, the control module is routed to one or more of the multiple signaling gateway module according to the mobile network's type for being positioned user, by Location Request and carries out localization process；The positioning result that the multiple signaling gateway module returns to the control module has unified form.Fig. 2 is the system assumption diagram of Gateway Mobile Location Center.Modules are all an independent scheduling units in system, and their operation completes Row control not by the direct control of other modules by way of event is triggered.Interface in figure between Lcs Client and Access Layer module is Le interfaces, communicated between Access Layer module and control module using event mode, context object is included in event, event is made a distinction using globally unique event name or event number.Control module and service layer's module are directly equally communicated using event mode.Service layer's module can decide whether to start according to configuration.Which service module can be used according to decision the need for systemic-function.Especially to the different evolution versions of multiple mobile networks and same mobile network, it is desirable to have multiple signaling gateway modules are adapted to.Simultaneity factor is by configuring user plane processing module and roaming processing modules implement roaming work(^ ^ and the positioning of user plane being supported while supporting chain of command to position, it is possible to which whole positioning flow is optimized.
Fig. 3 is while supporting the function structure chart of the Gateway Mobile Location Center of GSM and WCDMA networks.The configuring condition to system in GSM and WCDMA network user's position fixing process is supported in the expression of this figure definitely at the same time, the strategy that control module 20 is customized according to user judges that it is to belong to which mobile network to be positioned user, and Location Request is routed in different signalling gateway services modules using different events.
Divide five kinds of situation discussion below using the detailed process of the positioning of the technical program realization.
(one）Under chain of command mode in GSM network user positioning
With reference to shown in Fig. 2, when Gateway Mobile Location Center of the invention realizes that the method for positioning realizes positioning under chain of command mode to the user in GSM network, following steps are specifically included：
Step 101, GSM signalling gateway services modules are started when system starts；
Step 102, the Location Request to user in GSM network is initiated to Gateway Mobile Location Center by Le interfaces in location client end, AM access module is that the Location Request creates a context object, wherein include all information in the Location Request, and receive Location Request event to control module transmission, this, which is received, includes this context object in Location Request event, and this receives Location Request event and identified by a globally unique event number；
Step 103, control module receives event（Receive Location Request event）Afterwards, judged to receive a Location Request according to event number, be created that authentication request event is sent to authentication module, wherein authentication request event package contains this context object, and the authentication request event is identified by a globally unique event number；Step 104, authentication module receives event（Create authentication request event）Afterwards, judge it is an authentication request event according to event number, it is taken out context object and according to the client-side information and location initiator that wherein include and is positioned the mark of user and carries out client authentication, service authentication, privacy authentication etc. respectively, if authentication passes through, then positioning starting event is sent to control module, otherwise failed authentication event is sent, and records in context object authenticating result；
Step 105, if control module receives failed authentication event, positioning flow turkey is sent to AM access module, wherein comprising context object, the failure return of Le interfaces is completed by AM access module, flow terminates；
Step 106, if control module receives positioning starting event, the strategy then customized according to user judges that it is to belong to GSM user to be positioned user, then sends GSM Location Request events to GSM signaling gateway modules, and the GSM Location Request events include context object；
Step 107, GSM signaling gateway modules receive request event（GSM Location Request events）Afterwards, information based on context in object, sends SRI (SEND-ROUTING-INFO-FOR-LCS) message to 2G-HLR (Home Location Register) first7Inquire about the mark of the visited place of user further according to the 2G-MSC (Mobile Switching Centre) or 2G-SGSN (Service GPRS Support Node) of the current visited place of user and send PSL (PROVIDE-SUBSCRIBER-LOCATION) message to 2G-MSC or 2G-SGSN, and from 2G-MSC's or 2G-SGSN
Return in message and take out positioning result, be packaged as the form of unified intermediate form, the i.e. positioning result of Le interfaces, be stored in context object, and generate positioning result event being sent to control module, wherein including context object；
Step 108, control module is received after positioning result event, preserves this positioning result, and positioning flow success End Event is generated, wherein comprising context object, being sent to AM access module, the successful return of Le interfaces is completed by AM access module, flow terminates；
Step 109, during above-mentioned flow processing, if GSM signaling gateway modules malfunction in processing procedure, such as time-out or receive failure information, just failure information record in context object, and positioning turkey is generated, wherein comprising context object, being sent to control module；
Walk rapid 110, control module is received after positioning turkey, can not preserve this result, and generates positioning flow turkey, wherein comprising context object, being sent to AM access module, is completed by AM access module
The failure return of Le interfaces, flow terminates.
(two）Under chain of command mode in WCDMA networks user positioning
With reference to shown in Fig. 2, when Gateway Mobile Location Center of the invention realizes that the method for positioning realizes positioning under chain of command mode to the user in WCDMA networks, following steps are specifically included：
Step 201, WCDMA signaling gateway modules are started when system starts；
Step 202, the Location Request to user in WCDMA networks is initiated to Gateway Mobile Location Center by Le interfaces in location client end, AM access module is that the Location Request creates a context object, wherein include all information in the Location Request, and receive Location Request event to control module transmission, this, which is received, includes this context object in Location Request event, and this receives Location Request event and identified by a globally unique event number；
Step 203, control module receives event（Receive Location Request event）Afterwards, judged to receive a Location Request according to event number, be created that authentication request event is sent to authentication module, wherein authentication request event package contains this context object, and the authentication request event is identified by a globally unique event number；Step 204, authentication module receives event（Create authentication request event）Afterwards, judge it is an authentication request event according to event number, it is taken out context object and according to the client-side information and location initiator that wherein include and is positioned the mark of user and carries out client authentication, service authentication, privacy authentication etc. respectively, if authentication passes through, then positioning starting event is sent to control module, otherwise failed authentication event is sent, and records in context object authenticating result；
Step 205, if control module receives failed authentication event, positioning flow is sent to AM access module
Turkey, wherein comprising context object, the failure return of Le interfaces is completed by AM access module, flow terminates
Step 206, if control module receives positioning starting event, the strategy then customized according to user judges that it is to belong to WCDMA user to be positioned user, then sends WCDMA Location Request events to WCDMA signaling gateway modules, and the WCDMA Location Request events include context object；
Step 207, WCDMA signaling gateway modules receive request event（WCDMA Location Request events）Afterwards, based on context the information in object, first SRI message is sent to 3G-HLR, inquire about the visited place of user, mark further according to the 3G-MSC or 3G-SGSN of the current visited place of user to 3G-MSC or 3G-SGSN sends PSL message, positioning result is taken out from 3G-MSC or 3G-SGSN return message, it is packaged as unified intermediate form, that is the form of the positioning result of Le interfaces, it is stored in context object, and generate positioning result event and be sent to control module, wherein including context object；
Step 208, control module is received after positioning result event, preserves this positioning result, and positioning flow success End Event is generated, wherein comprising context object, being sent to AM access module, the successful return of Le interfaces is completed by AM access module, flow terminates；If WCDMA signaling gateway modules malfunction in processing procedure, such as time-out or failure information is received, failure information record and is just generated positioning turkey, wherein comprising context object, being sent to control module in context object；
Step 209, during above-mentioned flow processing, if WCDMA signaling gateway modules malfunction in processing procedure, such as time-out or receive failure information, just failure information record in context object, and positioning turkey is generated, wherein comprising context object, being sent to control module；
Step 210, control module is received after positioning turkey, can not preserve this result, and generates positioning flow turkey, wherein comprising context object, being sent to AM access module, the failure return of Le interfaces is completed by AM access module, flow terminates.
(three）Simultaneously to shown in positioning combination Fig. 2 of the user in GSM and WCDMA networks under chain of command mode, the Gateway Mobile Location Center of the present invention realizes that the method for positioning is positioned under chain of command mode to user's realization in GSM and WCDMA networks simultaneously when, following steps are specifically included：(H starts GSM signaling gateway modules and WCDMA signaling gateway modules to step 3 simultaneously when system starts；
Step 302, location client end is by Le interfaces to Location Request of the Gateway Mobile Location Center initiation to user in GSM and WCDMA networks, and AM access module is that the Location Request creates a context pair
As wherein receiving Location Request event comprising all information in the Location Request, and to control module transmission, this, which is received, includes this context object in Location Request event, and this receives Location Request event and identified by a globally unique event number；
Step 303, control module receives event（Receive Location Request event）Afterwards, judged to receive a Location Request according to event number, be created that authentication request event is sent to authentication module, wherein authentication request event package contains this context object, and the authentication request event is identified by a globally unique event number；Step 304, authentication module receives event（Authentication request event）Afterwards, judge it is an authentication request event according to event number, it is taken out context object and according to the client-side information and location initiator that wherein include and is positioned the mark of user and carries out client authentication respectively and business is reflected and wishes and be positioned user to different respectively and carry out privacy authentication etc., if authentication passes through, user then is positioned to control module to each respectively and sends positioning starting event, otherwise failed authentication event is sent, and records authenticating result within a context；Step 305, if control module receives failed authentication event, then judge whether that the request in whole context object has all been handled, if so, positioning flow turkey is sent to AM access module, context object is wherein included, the failure return of Le interfaces is completed by AM access module, flow terminates；
Step 306, if control module receives positioning starting event, the strategy then customized according to user judges that being positioned user is belonging respectively to GSM and WCDMA users, then sends GSM and WCDMA Location Request events to GSM and WCDMA signaling gateway modules respectively；
Step 307, GSM signaling gateway modules/WCDMA signaling gateway modules receive request event (GSM Location Requests event/WCDMA Location Request events）Afterwards, based on context the information in object, first SRI message is sent to 2G-HLR/3G-HLR, Check is with asking user visiting, mark further according to the 2G-MSC/3G-MSC or 2G-SGSN/3G-SGSN of the current visited place of user to 2G-MSC/3G-MSC or 2G-SGSN/3G-SGSN sends PSL message, positioning result is taken out from 2G-MSC/3G-MSC or 2G-SGSN/3G-SGSN return message, it is packaged as unified intermediate form, that is the form of the positioning result of Le interfaces, it is stored in context object, and generate positioning result event and be sent to control module, wherein include context object；
Step 308, control module is received after positioning result event from two signaling gateway modules respectively, preserve positioning result, and judge whether that the request in whole context object has all handled the just generation positioning flow success End Event that is over if so, wherein include context object, AM access module is sent to, the successful return of Le interfaces is completed by AM access module, flow terminates；
Step 309, during above-mentioned flow processing, if GSM signaling gateway modules or WCDMA letters
Make gateway module be malfunctioned in processing procedure, such as time-out or receive failure information, failure information record and is just generated positioning turkey, wherein comprising context object, being sent to control module in context object；
Step 310, control module is received after positioning turkey, this result can not be preserved, and judge whether that the request in whole context object has all been handled and be over, if so positioning flow turkey is just generated, wherein comprising context object, being sent to AM access module, the failure return of Le interfaces is completed by AM access module, flow terminates.
(four）To the positioning of the roaming service customer in WCDMA networks under chain of command mode
When the Gateway Mobile Location Center of the present invention realizes that the method for positioning realizes positioning under chain of command mode to the roaming service customer in WCDMA networks, following steps are specifically included：
Step 401, start roaming processing module and WCDMA signaling gateway modules when the system of user ascription area starts, at the same user visiting equally start these modules in Gateway Mobile Location Center system；Step 402, initiated by Le interfaces to the Gateway Mobile Location Center of user ascription area to the Location Request for the WCDMA user mobile phones for roaming into strange land at location client end, it is that this Location Request creates a context object by AM access module, wherein include all information in Location Request, and receive Location Request event to control module transmission, this, which is received, includes this context object in Location Request event, and this receives Location Request event and identified by a globally unique event number；
Step 403, control module receives event（Receive Location Request event）Afterwards, judged to receive a Location Request according to event number, be created that authentication request event, wherein comprising this context object, and it is sent to authentication module；
Step 404, authentication module receives event（Create authentication request event）Afterwards, judge it is an authentication request event according to event number, it is taken out context object and according to the client-side information and location initiator that wherein include and is positioned the mark of user and carries out client authentication, service authentication, privacy authentication etc. respectively, if authentication passes through, then positioning starting event is sent to control module, otherwise failed authentication event is sent, and records in context object authenticating result；
Step 405, if control module receives failed authentication event, send positioning flow to AM access module and lose the event that goes hunting, wherein comprising context object, the failure Returning process for completing Le interfaces by AM access module terminates；
Step 406, if control module receives positioning starting event, the strategy customized according to user judges that it is to belong to WCDMA user to be positioned user, then sends WCDMA to WCDMA signaling gateway modules
Location Request event, the WCDMA Location Request events include context object；Step 407, WCDMA signaling gateway modules receive event（WCDMA Location Request events）Afterwards, SRI message is sent to 3G-HLR, Check askes the visited place of user, judge that user is had roamed in the network of the other Gateway Mobile Location Centers of ownership further according to visited place information to go, then by user visiting information be stored in context object, and create user's roaming event, wherein comprising context object, and it is sent to control module；
Step 408, control module receives user after roaming event, context object is packaged in again in the roam-requests event newly created, and be sent to roaming processing module；
Step 409, roaming processing module according to user visiting information Check go out its ownership Gateway Mobile Location Center address, and the Gateway Mobile Location Center to user roaming place sends Lr requests, and the visited place information of the user found from HLR is carried in the request；
Step 410, user visiting the roam module of Gateway Mobile Location Center receive after Lr requests, equally create context object, wherein all information in being asked comprising Lr, and send roaming startup event to control module；
Step 411, user visiting Gateway Mobile Location Center control module receive roaming startup event after, judgement no longer needs to carry out privacy of user authentication, and judge that user is the user that belongs to WCDMA networks according to the strategy of customization, then establishment WCDMA Location Request events are with being sent to user visiting in the WCDMA signaling gateway modules of Gateway Mobile Location Center；
Step 412, user visiting Gateway Mobile Location Center WCDMA signaling gateway modules after Location Request event is received, the information on user visiting ground is obtained from context object, just no longer to user visiting 3G-HLR send SRI message, but directly send PSL message to the 3G-MSC or 3G-SGSN on user visiting ground, and take out positioning result in the location message returned from them, it is packaged as unified intermediate form, the namely form of the positioning result of Le interfaces, it is stored in context object, and generate positioning result event with being sent to user visiting Gateway Mobile Location Center control mould wherein include context object；
Step 413, user visiting the control module of Gateway Mobile Location Center receive after positioning result event, it is that context object is then repackaged in newly-generated roaming flow End Event by the context object of a roaming type to judge user's context object, with being sent to user visiting the roaming processing module of Gateway Mobile Location Center；
Step 414, user visiting the roaming processing module of Gateway Mobile Location Center receive flow and terminate thing
It is responsible for positioning result being packaged in Lr return message after part, is sent to the roaming processing module of the Gateway Mobile Location Center of user ascription area； '
Step 415, the roaming processing module of user ascription area receives Lr and returned after message, it is taken out positioning result, and be converted to unified intermediary message form, the namely form of the positioning result of Le interfaces, and be stored in context object, it is sent to by roaming result event in the control module of user ascription area；Step 416, the control module of user ascription area is received after roaming result event, preserve the positioning result wherein included, and generate positioning flow success End Event, wherein include context object, AM access module is sent to, the successful return of Le interfaces is completed by AM access module, flow terminates；
Walk rapid 417, it is if roaming processing module malfunction in processing procedure, such as overtime or receive failure information, just failure information record in context object, and roaming positioning turkey is generated, wherein comprising context object, being sent to control module；
Step 418, control module is received after roaming positioning turkey, can not preserve this result, and positioning flow turkey is generated, wherein comprising context object, being sent to AM access module, the failure return of Le interfaces is completed by AM access module, flow terminates.
(five）The positioning of mobile network user under user plane mode
When the Gateway Mobile Location Center of the present invention realizes that the method for positioning realizes positioning under user plane mode to the user in mobile network, following steps are specifically included：
Step 501, user plane processing module is started when system starts,
Step 502, the Location Request of the user mobile phone to supporting user plane positioning function is initiated to Gateway Mobile Location Center by Le interfaces in location client end, AM access module is that the Location Request creates a context object wherein comprising all information in the Location Request and receives Location Request event to control module transmission, this, which is received, includes this context object in Location Request event, and this receives Location Request event and identified by a globally unique event number；
Step 503, control module receives event（Receive Location Request event）Afterwards, judged to receive a Location Request according to event number, be created that authentication request event is sent to authentication module, wherein authentication request event package contains this context object, and the authentication request event is identified by a globally unique event number；Step 504, authentication module receives event（Create authentication request event）Afterwards, judge it is an authentication request event according to event number, be taken out context object and according to the client-side information that wherein includes and it is fixed ' position promoter and be positioned the mark of user and carry out client authentication, service authentication, privacy authentication etc. respectively, if authentication passes through, then positioning starting event is sent to control module, otherwise failed authentication event is sent, and
Authenticating result is recorded in context object；
Step 505, if control module receives failed authentication event, positioning flow turkey is sent to AM access module, wherein comprising context object, the failure return of Le interfaces is completed by AM access module, flow terminates；
Step 506, if control module receives positioning starting event, the strategy customized according to user judges that being positioned user mobile phone supports user plane positioning work(Hui ^ then to send user plane Location Request event to user plane processing module；
Step 507, user plane processing module receives request event（User plane Location Request event）Afterwards, based on context the information in object, SUPL INIT message is sent to user is positioned by WAP (Wireless Application Protocol) gateways or sms center first, set up in user response and actively after TCP connections, receive the SUPLPOS INIT message for being positioned user's transmission, and the cell information in SUPLPOS INIT message finds the rough grade positional information of user from database, and assistance data is measured by the interface captures user between SLC, user is sent to by SUPLPOS message again, user measures assistance data according to user and completes positioning measurement, reported again by SUPLPOS message return measurement, user plane processing module again by between SLC interface requirement SLC the accurate positional information of user is calculated according to the measurement result of user, and result is packaged as to unified intermediate form, the namely form of the positioning result of Le interfaces, it is stored in context object, and generate positioning result event and be sent to control module, wherein include context object；
Step 508, control module is received after positioning result event, preserves positioning result, and generates positioning flow success End Event, wherein comprising context object, being sent to AM access module, the successful return of Le interfaces is completed by AM access module, flow terminates；
Step 509, if user plane processing module malfunctions in processing procedure, such as time-out or failure information is received, just failure information record in context object, and positioning turkey is generated, wherein comprising context object, being sent to control module；
Step 510, control module is received after positioning turkey, can not preserve this result, and generates positioning flow turkey, wherein comprising context object, being sent to AM access module, Jiong is returned in the failure for completing Le interfaces by AM access module, and flow terminates
By the above to the description of the specific implementation details of the technical program as can be seen that the technical program is fully achieved while supporting a variety of mobile network's positioning services and the requirement of a variety of location architectures.
Certainly, the present invention can also have other various embodiments, in the case of without departing substantially from spirit of the invention and its essence, those skilled in the art work as can make various corresponding changes and expansion according to the present invention, urgent positioning, cycle positioning, the function of event triggering positioning, and increase system maintenance function etc. are supported in such as increase.But these corresponding changes and deformation should all belong to the protection domain of appended claims of the invention.Industrial applicability
The interface of a variety of mobile communication networks is suitable for using the present invention, the function of being positioned simultaneously to user in heterogeneous networks is supported, supports the smooth evolution of network system protocol version；And different location architectures are adapted to simultaneously, both support the positioning under chain of command mode or the positioning under support user plane mode.The investment of system can be reduced simultaneously, facilitated the maintenance of system, reduced operation cost.
Because the present invention uses asynchronous event driven manner, the advantage of tightly coupled system can be embodied, the contact of the loose coupling between system various pieces is maintained again, the handling capacity of system can also be improved.
Using present invention Object--oriented method easy to use to network analysis and modeling.
Claims (10)
- Claims1st, a kind of Gateway Mobile Location Center, including AM access module, control module and the service layer's module being sequentially connected, it is characterised in that：Service layer's module includes the multiple signaling gateway modules for being used to realize positioning service corresponding to different mobile networks；The control module is used to Location Request is routed into one or more of the multiple signaling gateway module according to the mobile network's type for being positioned user；The positioning result that the multiple signaling gateway module returns to the control module has unified form.2nd, Gateway Mobile Location Center according to claim 1, it is characterized in that, mutually controlled by event triggering between the AM access module, control module and service layer's module, and the identical context data structure encapsulated in the event is operated, the event has globally unique event name or event number, and Location Request is routed to one or more of the multiple signaling gateway module using different events and carries out localization process by the control module.3rd, Gateway Mobile Location Center according to claim 2, it is characterized in that, service layer's module also includes user plane processing module, positioning for realizing the mobile phone for supporting user plane positioning function, the control module is also used for event and Location Request is routed into the user plane processing module progress localization process.4, Gateway Mobile Location Center according to claim 2, it is characterized in that, when a corresponding mobile network in the multiple signaling gateway module includes multiple evolution versions, the signaling gateway module includes the multiple SGW submodules for corresponding to the different evolution versions of same mobile network, the control module is additionally operable to according to the mobile network's type for being positioned user, Location Request is routed to using event a progress localization process in described SGW submodule, multiple SGW submodules corresponding to the different evolution versions of same mobile network are communicated using between identical event and the control module.5th, Gateway Mobile Location Center according to claim 2, it is characterized in that, service layer's module also includes a roaming processing module, for realizing positioning when being positioned mobile phone roaming, the signaling gateway module is additionally operable to judge that described be positioned Location Request after the roaming state of mobile phone is sent to the roaming processing module progress localization process by the control module.6th, Gateway Mobile Location Center according to claim 2, it is characterised in that service layer's module also includes an authentication module, for client-side information, location initiator and being positioned the mark of user Client authentication, service authentication and privacy authentication are carried out respectively.7th, Gateway Mobile Location Center according to claim 2, it is characterised in that the control module is positioned mobile network's type that user is positioned described in the number of user, the ability of user terminal or the differentiation of residing network environment according to.8th, a kind of implementation method of Gateway Mobile Location Center, it is characterised in that comprise the following steps：Access Layer module, the processing for being responsible for Le interfaces are set；Control module, the control for whole positioning service flow are set；The multiple signaling gateway modules for being used to realize positioning service corresponding to different mobile networks are set；The AM access module, control module and signaling gateway module are mutually controlled by event triggering, for being operated to the identical context data structure encapsulated in the event, the event has globally unique event name or event number, the control module is routed to one or more of the multiple signaling gateway module according to the mobile network's type for being positioned user, by Location Request and carries out localization process；The positioning result that the multiple signaling gateway module returns to the control module has unified form.9th, the implementation method of Gateway Mobile Location Center according to claim 8, it is characterized in that, also include the user plane processing module of step-setting one, Location Request is routed to the user plane processing module using event and carries out localization process by the positioning for realizing the mobile phone for supporting user plane positioning function, the control module.10th, the implementation method of Gateway Mobile Location Center according to claim 8, it is characterised in that also including step：The one roaming processing module for corresponding to the signaling gateway module is set, for realizing positioning when being positioned mobile phone roaming, the signaling gateway module judges that described be positioned Location Request after the roaming state of mobile phone is sent to the roaming processing module progress localization process by the control module.11st, the implementation method of Gateway Mobile Location Center according to claim 8, it is characterised in that also including step：One authentication module is set, client authentication, service authentication and privacy authentication are carried out respectively to client-side information, location initiator and the mark for being positioned user, authentication continues executing with positioning after passing through, and otherwise completes the failure return of Le interfaces by the AM access module by the control module.
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| PCT/CN2005/001905 WO2007053979A1 (en) | 2005-11-11 | 2005-11-11 | Gateway mobile location center and method therefor |
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| CN103139701A (en) * | 2011-11-29 | 2013-06-05 | 北京航天长峰科技工业集团有限公司 | Mobile phone positioning system and positioning method |
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| CN101938830A (en) * | 2009-06-29 | 2011-01-05 | 大唐移动通信设备有限公司 | Positioning method and device |
| CN103514498A (en) * | 2012-06-26 | 2014-01-15 | 中兴通讯股份有限公司 | Business realization method and system thereof |
| WO2016041171A1 (en) | 2014-09-18 | 2016-03-24 | 华为技术有限公司 | Method and apparatus for determining terminal roaming status, terminal and server |
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| WO2002003735A1 (en) * | 2000-06-30 | 2002-01-10 | Ntt Docomo, Inc. | Method and apparatus for assisting positional information service |
| CN1145378C (en) * | 2001-05-29 | 2004-04-07 | 华为技术有限公司 | Position service method and system utilizing mobile intelligent network |
| CN1304849C (en) * | 2003-01-30 | 2007-03-14 | 武汉奥发科技工程有限公司 | Method for quickly providing position service and geography information |
| CN100334919C (en) * | 2005-03-25 | 2007-08-29 | 北京北方烽火科技有限公司 | Managing method for user contex of multi-object positioning in GMLC |
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| CN103139701A (en) * | 2011-11-29 | 2013-06-05 | 北京航天长峰科技工业集团有限公司 | Mobile phone positioning system and positioning method |
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