CN1522085A - A position locating system and method - Google Patents
A position locating system and method Download PDFInfo
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Abstract
The invention relates to the system and method for realizing LCS system position request on the existing circuit domain services, wherein the system comprises a wireless communication network, a gateway mobile locating center (GMLC), a geographical location service system, and a position service server. The method for realizing LCS system position request is also disclosed. The invention can be applied to increase the users' flexibility for using the position service.
Description
Technical field
The present invention relates to the location technology of network, relate in particular to a kind of LCS alliance request system and method for on existing circuit domain business, realizing.
Technical background
At first introduce the LCS location service:
The LCS of mobile communications network (Location service location service) obtains object UE user position information (can be the position in latitude and longitude information or local street etc.) by certain technology, and positional information offered this object UE user (being used for self poisoning), or communication system itself (being used for the subregion charges or operator's Operation and Maintenance function), or offer mechanism and the individual's (being used for value-added service) that other requests obtain this customer location.Therefore, location service is widely used at aspects such as emergency relief, automobile navigation and intelligent transportation system, scheduling and Team Management, mobile yellow pages inquiry, enhancing network performances.3GPP (Third Generation Partnership Project, third generation partner program) TS (Technical Specification, technical specification) 22.071 business norms that defined LCS, TS 23.271 has defined the aspects such as functional mode, system configuration, state description and message flow of LCS whole system.
From function logic, the LCS system is made up of the several function logic modules of requestor, LCS client, Gateway Mobile Location Center GMLC, geographical position service system, 3GPP network and object UE, whole LCS systemic-function logical construction as shown in Figure 1:
Wherein, the function of each logic module is as follows in the LCS system of 3GPP:
The requestor: by tissue, mechanism or the individual of LCS client to the positional information of LCS system request object UE, being the promoter of Location Request, itself both can be that the object UE user can be the requestor simultaneously also for certain user.
LCS client: be used to obtain one or more object UE customer position informations and software or hardware entities the LCS system interface.
Mobile gateway centre of location GMLC:GMLC provides the location service interface of a standard for LCS client, be responsible for LCS client is carried out authentication and location service request message that LCS client is sent carries out authentication, and object UE is positioned to the 3GPP network requests, and the positional information that can return to geographical position service system request 3GPP network is as required carried out format conversion, and the longitude and latitude positional information translation of the object UE of the 3GPP network being returned as the request geographical position service system converts local geography information to.GMLC is responsible for the positional information of final objective UE is returned to LCS client.
Geographical position service system (GLSS): be responsible for the positional information conversion request of processing gateway mobile positioning center, and return satisfactory positional information form.
3GPP network: be responsible for receiving and managing the solicited message of the mobile gateway centre of location, and determine localization method, finish object UE and position, be responsible at last to mobile network's centre of location restoring to normal position result according to the Qos (service quality) of Location Request; In addition, when object UE directly when the 3GPP network sends the position requests of location self-position information, the 3GPP network directly positions and home position information object UE.
Object UE (User Equipment, subscriber equipment): refer to the target terminal user that is positioned in the mobile communications network.
The realization flow that has defined position requests in the LCS standard of 3GPP is roughly as shown in Figures 2 and 3:
As shown in Figure 2, the requestor may further comprise the steps to the positional information flow process of LCS system request object UE:
1, the requestor sends the position requests of localizing objects UE to LCS client;
2, LCS client is transmitted the location service request message to GMLC;
3, GMLC carries out authentication to LCS client and location service request message, and authentication success back sends Location Request to the 3GPP network;
4, the 3GPP network positions object UE after receiving Location Request;
5, the 3GPP network returns target UE locating result to GMLC;
6, GMLC initiates positional information conversion request message according to requestor's needs to GLSS, and request GLSS carries out the conversion of corresponding format to the positional information of object UE;
7, respond to GMLC home position information translation behind the GLSS EOC;
8, GMLC is to LCS client home position service response;
9, LCS client is transmitted the position response to the requestor;
Object UE is except asking by LCS client the positional information of self as a common requestor, also defined in the LCS standard object UE can be directly to the locate mode of network requests positional information.As shown in Figure 3, object UE may further comprise the steps to the positional information flow process of LCS system request self:
1, object UE is directly initiated location request message to the 3GPP network after having set up wireless connections with network;
2, the 3GPP network carries out authentication to the position requests of object UE, and corresponding positioning action is carried out in authentication success back;
3, after finished the location, the 3GPP network returned to object UE with positioning result;
4, conduct is optional, and object UE sends to outside certain client in the positional information that can ask the 3GPP network with self when the 3GPP network sends position requests, and this moment, the 3GPP network responded to corresponding GMLC forwarding position;
5, after GMLC receives the position response message, received positional information to the transmission of 3GPP network and received response message;
6, GMLC sends the positional information conversion request to GLSS as required, and request GLSS carries out the conversion of corresponding format to the positional information of object UE;
7, respond to GMLC home position information translation behind the GLSS EOC;
8, GMLC sends the object UE positional information to external client;
9,3GPP receives after positional information that GMLC sends receives response message, sends the position response to object UE, comprises network has sent the positional information of object UE to external client confirmation indication.
Existing problem:
Several locate modes that define in the 3GPP standard are applicable to the user terminal that can carry out data service at a high speed and can support directly to send to network position requests at present, for not carrying out data service at a high speed and not supporting the direct user terminal that sends position requests to network, it is not very suitable using LCS system positioning function as common GSM terminal, when a common GSM terminal is initiated location to object UE as a requestor by the LCS system, need to connect with LCS client earlier, again by with the request that positions alternately of LCS client, and common GSM terminal sets up with LCS client owing to the reason of technology own makes that data are connected and interactive operation all is subjected to the data flow quantitative limitation, and the slow and user of system response time operates inconvenience; When common GSM terminal need be to the positional information of LCS system request self, because common GSM terminal can not be supported to send location request message to the 3GPP network, can't operate this moment.Therefore be necessary to propose a kind of can be not supporting to carry out data service at a high speed and not supporting directly on network sends the user terminal of position requests, to utilize existing circuit domain business bearing mode to use the processing method of the location service of LCS system, with the compatibility of realization location service to such terminal use.
Summary of the invention
The purpose of this patent just provides a kind of system and a kind of realization location positioning method based on said system that utilizes existing circuit domain business to realize location positioning; Make and not support carrying out data service at a high speed and not support directly user terminal user to network transmission position requests can use in the existing circuit domain service bearer mode to carry out position requests.
The system of location positioning of the present invention comprises cordless communication network, Gateway Mobile Location Center (GMLC) and geographical position service system; Described cordless communication network receives and transmits requestor's request, receive the Location Request of Gateway Mobile Location Center, and after target terminal positioned the target terminal positional information being returned to Gateway Mobile Location Center, the positional information that described Gateway Mobile Location Center returns cordless communication network to the geographical position service system request is carried out format conversion and is returned to the requestor;
It is characterized in that described navigation system also comprises a location service server, described location service server receives the service request of cordless communication network and the request user is carried out authentication, and the corresponding business solicited message is assembled into the location service request message sends to Gateway Mobile Location Center.
Described location service server comprises: service access module, service management module and message processing module;
Described service access module inserts processing to the service request that cordless communication network sends, and to the authentication request of service management module initiation to the user;
Described service management module controls and the service logic of managing various application are differentiated user's business use according to the authentication message of service access module request, and are carried out respective handling according to the business of user's request;
Described message processing module receives the indication assembling position business request information of service management module and sends to GMLC, and receives the positional information that GMLC returns.
Location positioning method of the present invention is characterized in that may further comprise the steps:
A, terminal use requestor initiate the location service request to cordless communication network;
B, cordless communication network send to location service server with this service request;
C, location service server are assembled into the location service request message with user's solicited message and send to GMLC, and request GMLC positions processing to the targeted customer;
D, GMLC position processing to the targeted customer;
E, positioning result is returned to the terminal use of the request initiated, end user location positioning business.
Described step a, the initiation of this business, can finish by the mode of calling out, also can finish, can also finish by the mode of USSD (supplementary service data of Unstructured Supplementary Service Data indeterminate structure) by the mode of short message.
Described step c further comprises step:
C1: location service server is to initiating the legitimacy authentication that professional terminal carrying out service uses.
Described step c further comprises step:
C2: return service response message to network, if failed authentication, then refusal terminal use's request in response message, if the authentication success, then informing of network service continues in response message.
Described step c further comprises step:
C3: the further collection terminal user of location service server requestor's service requesting information.
Among the described step c, in the described location service request message, comprise the service quality of positioning result of requirement and the form of return information.
Described steps d further comprises step:
D1:GMLC carries out authentication to solicited message and location service server, if authentication is passed through, the targeted customer is positioned again.
Described step e can return to location service server with positioning result by GMLC, by location service server the result is returned to the location service requestor, also can the result be returned to the location service requestor by GMLC.
By method of the present invention, the terminal use requestor can adopt as calling out, the service bearer mode of existing circuit domain such as short message or USSD is sent Location Request to network, finally send according to terminal use requestor's service requesting information and service logic assembling position business request information and to GMLC by location service server, like this, processing by location service server converts terminal use requestor's existing circuit domain business request to send to GMLC location service request message, make and not support carrying out data service at a high speed and not support terminal use to network transmission position requests, as common GSM terminal use also use location business easily, enjoy the service that the miscellaneous service location service provides, solved the compatibility issue of LCS system and this Terminal Type.
In addition, according to the present invention, support is carried out data service at a high speed and is supported direct terminal (as 3G terminal) to network transmission position requests also can adopt the service bearer mode of existing circuit domain to send Location Request to network, for some users that are unfamiliar with the data service occupation mode of 3G terminal provide the possibility of using traditional circuit domain business request pattern to carry out the location service request, enriched the mode of 3G terminal user to network transmission Location Request, increase the flexibility ratio of user use location business, helped carrying out of Operator Specific Service.
Description of drawings
Fig. 1 is the LCS system logic structure figure of prior art 3GPP;
Fig. 2 is the targeted customer's position requests realization flow figure that defines in the LCS standard;
Fig. 3 is the positional information flow chart position requests realization flow that the targeted customer that defines in the LCS standard asks self;
Fig. 4 is the building-block of logic of customer location navigation system of the present invention;
Fig. 5 is the schematic flow sheet figure that the present invention utilizes the family position location request;
Fig. 6 is the network structure of one embodiment of the invention.
Embodiment
Below in conjunction with Figure of description the specific embodiment of the present invention is described.
According to the present invention, the network system of can compatible not supporting to carry out data service at a high speed and not supporting directly user terminal to network transmission position requests to utilize service bearer mode in the existing circuit domain to carry out position requests mainly is made up of several logic entities such as terminal use requestor, cordless communication network, location service server, GMLC and geographical position service systems, and its building-block of logic as shown in Figure 4.
Compare with the LCS grid logic entity of 3GPP, wherein increased have the service access function, the location service server of service management function and information request function, carry out in the network system of position requests each logic entity division for service bearer mode in can compatible existing circuit domain as follows:
Terminal use requestor: by the common terminal use of LCS client to LCS system request targeted customer's positional information, can be GSM user, also can be CDMA user, can also be the terminal use under other communication networks are formed, it is the promoter of Location Request, itself both can be that the destination end user that is positioned also can be the requestor of request position information simultaneously for the terminal use requestor.
Cordless communication network: can be to the special number of common terminal call, perhaps send to the short message of assigned address, the specific USSD order that perhaps sends is discerned, and can send to corresponding location service server to the request that these are special according to certain rule, can carry out follow-up operation according to the indication of location service server, and user's related data can be provided to location service server.Further, cordless communication network can also carry out interactive operation according to the indication and the user of location service server, can collect user profile and report the collection result to location service server.In addition, wireless network can also the receiving position service server and the position information process request of GMLC, selects suitable manner that positional information is returned to the requestor according to the requirement in the request.
Location service server: location service server sends the location service request message as the LCS client of GMLC to GMLC.Location service server can be divided into three functional modules, service access module, service management module and information request collection module.
Service access module: as the interface module of network and location service server, can insert processing to the service request that wireless network sends, as the calling that can handle network-triggered, the short message and the USSD order of transmission, and can ask the corresponding business administration module that the user is carried out authentication.The service access module can be according to the indication of service management module to network or further collect user's solicited message by network and user interactions.At last, the service access module returns to network with final positional information and sends to the user according to certain mode according to the indication informing network of service management module.
Service management module: as the core processing module of location service server, the service logic of load, controlling and managing various application, on the one hand, the service management module can be handled the authentication message of service access module request, and user's professional legal use is differentiated.And can collect further solicited message to network or user according to service logic indicating services access module, on the other hand, the service management module sends the information of collecting to message processing module, and the indication information processing module is assembled corresponding location service request message and sent to GMLC.At last, the positional information that the service management module is returned message processing module sends to the service access module, and indicating services access module informing network sends final locating information to the user in which way.
Message processing module: as the interface module of location service server and GMLC, the indication of reception service management module is assembled corresponding location service request message and is sent to GMLC, and the positional information that reception GMLC returns is to the service management module forwards; Further, message processing module can also ask geographic position information system that positional information is carried out after the format conversion again to the service management module forwards.
Specific implementation about above-mentioned location service server, can be for following example, such as, integrated SCP (service control point) in the mobile communication intelligent network of SMF (service management function), SDF (service data function), SCEF (servicecreation environment function) and SCF (service control function) function can be used as a location service server.Wherein SCF among the SCP and SDF logic entity are corresponding to the service access module in the location service server, SMF among the SCP and SCEF logic entity are corresponding to the service management module in the location service server, and SCF among the SCP and SDF logic entity are also corresponding to the message processing module in the location service server.
Mobile gateway centre of location GMLC:GMLC provides the location service interface of a standard for LCS client, be responsible for LCS client is carried out authentication and authentication is carried out in the request of LCS client, to the wireless network request target terminal is positioned, and can carry out format conversion to the geographical position service system request to the positional information that network returns according to the request of location service server indication, the longitude and latitude positional information translation of the target terminal that network is returned as the request geographical position service system converts local geography information to.At last, GMLC is responsible for target terminal position information is returned to LCS client, and perhaps the indication request network according to location service server returns to the requestor with target terminal position information according to certain mode.
Geographical position service system GLSS: be responsible for the positional information conversion request of processing gateway mobile positioning center, and return satisfactory positional information form.
Based on the design of above-mentioned network configuration, the method for terminal user position of the present invention location may further comprise the steps:
A, terminal use requestor are after having set up wireless connections with network, by dialing a special number, perhaps send to the short message of the certain sense of assigned address, perhaps use specific modes such as USSD order to send business request information, show in this service request or imply to show that the user asks network that self or other terminal are accurately located to network;
B, cordless communication network are dialed special number according to the terminal use requestor, the perhaps transmission address of short message, and perhaps specific USSD order sends business request information to location service server, the operation indication that the request location service server is follow-up;
C, location service server are according to the special number in the business request information of wireless network transmission, the perhaps short message of certain sense, or the corresponding service of specific USSD command determination terminal use requester requests, and can further carry out authentication to the terminal use requestor, judge whether the user can use this business;
The location service server authentication is returned service response message to network after finishing; If failed authentication, the then request of refusing user's in response message, otherwise then informing of network service will continue in response message.
Location service server can be further to the network requests user related information according to the needs of service logic; And can carry out service interaction by network and user and obtain the more detailed solicited message of user.Issue corresponding voice suggestion or information indicating as the location service server indication network to the user, and collect user's feedback information.This step is optional;
After location service server is collected the enough solicited messages of terminal use requestor, send the location service request message to GMLC, at this moment, location service server can be regarded a common LCS client as and send the location service request message to GMLC, can comprise the Qos of positioning result of requirement and the positional information form that returns in the location service request.
After d, GMLC receive positional information, can carry out authentication to the location service solicited message further, differentiate whether the user has authority that target terminal is initiated Location Request; In addition, GMLC also can carry out authentication to location service server further, differentiates whether location service server is the legal client of terminal use requestor.If the GMLC failed authentication is then refused the location service request of location service server, this moment, location service server carried out follow-up processing according to service logic; If the success of GMLC authentication then sends Location Request to network;
Qos in the locating request message of network based GMLC selects corresponding localization method, and targeted customer's positional information is measured calculating, after finish the location targeted customer's positional information is returned to GMLC with the form of standard;
E, positional information return course:
In this step, system can adopt dual mode that position result is returned to the terminal use requestor, the mode location service server can indicate the form that positional information is returned in the location service request message that sends to GMLC, then GMLC sends the positional information conversion request to geographical position service system;
Result after the geographical position service system location information carries out will changing after the corresponding format conversion returns to GMLC.
GMLC carries corresponding positioning result to location service server home position service response message;
Location service server is according to service logic, and the request network returns to the terminal use requestor with suitable manner with positional information.
Network returns final positional information in the mode of appointment to the terminal use requestor.
Mode two:
Location service server can indicate the mode that form that positional information returns and positional information return to the requestor in the location service request message that GMLC sends, then GMLC sends the positional information conversion request to geographical position service system;
Result after the geographical position service system location information carries out will changing after the corresponding format conversion returns to GMLC.
After the position result of GMLC after receiving the geographical position service system conversion, directly ask network positional information to be returned to the terminal use requestor in the mode of appointment;
Network returns final positional information in the mode of appointment to the terminal use requestor.
As shown in Figure 5, be the detailed schematic flow sheet of above-mentioned steps.
See several specific embodiments below:
Embodiment 1:
Adopt the mode of calling to initiate Location Request for the terminal use requestor and can realize conversion by the intelligent network framework to requestor's Location Request.With the GSM network is example, MSC/SSP (mobile switching centre/Service Switching Point) can be triggered to corresponding location server with calling according to the special number that GSM terminal use requestor dials, on SCP (service control point), generate corresponding location service request message according to service requesting information and service logic and send to GMLC by SCP.Its cellular logic structure chart as shown in Figure 6, wherein SCP is an indication location service server in the technical solution of the present invention.
In actual applications, GSM terminal use requestor contracts in SCP in advance, register its need use some position requests business (as, register one 888 business: dial the 888+ phone number, then be the geographical location information that returns this phone number to network), in addition, the requestor can authorize SCP in GMLC as required, allows SCP to can be used as the position requests LCS client of oneself.After the user had dialed the 888+ phone number, MSC/SSP was 888 to have triggered IN service to SCP according to the called number prefix dialed, after SCP receives request, according to 888 business the user is carried out authentication, checked user's this business of whether having contracted.Wherein, SCP can be as required by asking user related information with HLR alternately.If SCP finds other location information of terminals of user's request, then SCP can instruct MS C/SSP to user's play cuing voice, obtain the relevant authentication information (as authentication password) of other terminal of location of user, authentication sends the location service request message by back SCP to corresponding GMLC, carry requestor's sign (as rear subscriber number) in the request, authentication password, targeted customer's sign, the positional information form that need return information such as (as the geographical location information of locality), after GMLC receives the request message of SCP, can carry out authentication to the location service request message further, also can carry out authentication as the legitimacy of terminal use requestor's LCS client request target customer location to SCP, authentication is by the location of back position service system request MSC/SSP initiation to the targeted customer, MSC/SSP returns to SCP by the location technology acquisition targeted customer's of BSS (Base Station Subsystem base station sub-system) positional information (latitude and longitude information), the positional information that SCP returns MSC/SSP according to service logic request geographical position service system is carried out format conversion (as converting local street information to), at last, SCP generates short message according to service logic with final position result and sends to Short Message Service Center SMSC, and the short message that will be carried positioning result by short message service center sends to the terminal use requestor.
Embodiment 2:
The terminal use requestor also can adopt short message to initiate Location Request as bearing mode to network.The short message that the requestor edits a specific meanings sends to the address of appointment, sends 9999 as Location+13912340001, shows that it is that 13912340001 user terminal positions that the request network is checked numbers.This moment, short message service center was forwarded to this user request information in the location service server according to the address that sends, this location service server is judged the requester requests network according to the Loation command word 13912340001 terminals is positioned, then can be according to the authorizing procedure of service logic initiation to the requestor, as sending the password request short message to the requestor, the web-privilege password Web of the position of request user input reference destination end user; Location service server is after carrying out the authentication success to the requestor, can also send the information request short message to the requestor according to service logic, the request requestor imports align_type (type or retardance immediately), and the positioning accuracy and the Qos parameter that need network to return, location service server judges according to the stationkeeping ability of network whether network can support requestor's service request according to the positioning accuracy and the Qos parameter of requestor's feedback, if can not support, then can carry out further positioning accuracy and Qos parameter reduction negotiation according to service logic and requestor.Finally, after collecting enough information, location service server is assembled corresponding location service request message and is sent to GMLC, and the position result that GMLC returns is compiled short message send to short message service center, the short message that will carry position result by short message service center sends to the terminal use requestor at last.
Embodiment 3:
The terminal use requestor also can adopt the USSD order to initiate Location Request as bearing mode to network.The terminal use requestor edits the USSD order of a certain sense, send to network as * #111#13912340001#, the USSD center went out the requester requests network according to this USSD command determination 13912340001 terminal was positioned this moment, after to the success of requestor's authentication, then can send relevant USSD order to the requestor according to service logic, as send the solicited message that the location guide menu further obtains the requestor to the requestor, after requester terminal will be located the guide menu download, the requestor then can operate length by length according to location guide menu prompting, as input associated cryptographic information or the like.After collecting enough information, USSD central. set holding position request message sends to GMLC, and the positional information that GMLC returns is compiled short message send to short message service center, the short message that will carry position result by short message service center sends to the terminal use requestor at last.
The invention discloses and a kind ofly realize not supporting to carry out data service at a high speed and do not support directly can utilizing the existing service bearer mode of circuit domain to carry out the system and method for position requests to the user terminal of network transmission position requests by in network, increasing location service server, utilize this method, for not supporting high-speed data service and not supporting direct terminal use can use service bearer mode such as the voice in the existing circuit domain to network transmission Location Request, short message and USSD order and carry out position requests, the service that provides of all places business is provided, has been solved the problem of LCS system and such terminal transparency.In addition, utilize the present invention, for supporting to carry out at a high speed data service, perhaps support direct terminal use (as the 3G terminal user) also can use traditional circuit domain business bearing mode to carry out position requests to network transmission position requests, enriched the mode that the 3G terminal user carries out position requests, increase the flexibility ratio of user use location business, the business that helps operator is carried out.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (10)
1, a kind of location positioning system comprises cordless communication network, Gateway Mobile Location Center (GMLC) and geographical position service system; Described cordless communication network receives and transmits requestor's request, receive the Location Request of Gateway Mobile Location Center, and after target terminal positioned the target terminal positional information being returned to Gateway Mobile Location Center, the positional information that described Gateway Mobile Location Center returns cordless communication network to the geographical position service system request is carried out format conversion and is returned to the requestor;
It is characterized in that described navigation system also comprises a location service server, described location service server receives the service request of cordless communication network and the request user is carried out authentication, and the corresponding business solicited message is assembled into the location service request message sends to Gateway Mobile Location Center.
2, location positioning system as claimed in claim 1 is characterized in that described location service server, comprising: service access module, service management module and message processing module;
Described service access module inserts processing to the service request that cordless communication network sends, and to the authentication request of service management module initiation to the user;
Described service management module controls and the service logic of managing various application are differentiated user's business use according to the authentication message of service access module request, and are carried out respective handling according to the business of user's request;
Described message processing module receives the indication assembling position business request information of service management module and sends to GMLC, and receives the positional information that GMLC returns.
3, a kind of location positioning method is characterized in that may further comprise the steps:
A, terminal use requestor initiate the location service request to cordless communication network;
B, cordless communication network send to location service server with this service request;
C, location service server are assembled into the location service request message with user's solicited message and send to GMLC, and request GMLC positions processing to the targeted customer;
D, GMLC position processing to the targeted customer;
E, positioning result is returned to the terminal use of the request initiated, end user location positioning business.
4, location positioning method as claimed in claim 3, it is characterized in that described step a, the initiation of this business, can finish by the mode of calling out, also can finish, can also finish by the mode of USSD (supplementary service data of Unstructured Supplementary Service Data indeterminate structure) by the mode of short message.
5, location positioning method as claimed in claim 3 is characterized in that described step c, further comprises step:
C1: location service server is to initiating the legitimacy authentication that professional terminal carrying out service uses.
6, location positioning method as claimed in claim 5 is characterized in that described step c, further comprises step:
C2: return service response message to network, if failed authentication, then refusal terminal use's request in response message, if the authentication success, then informing of network service continues in response message.
7, location positioning method as claimed in claim 3 is characterized in that described step c, further comprises step:
C3: the further collection terminal user of location service server requestor's service requesting information.
8, location positioning method as claimed in claim 3 is characterized in that among the described step c, in the described location service request message, comprises the service quality of positioning result of requirement and the form of return information.
9, location positioning method as claimed in claim 3 is characterized in that described steps d, further comprises step:
D1:GMLC carries out authentication to solicited message and location service server, if authentication is passed through, the targeted customer is positioned again.
10, location positioning method as claimed in claim 3, it is characterized in that described step e, can positioning result be returned to location service server by GMLC, by location service server the result is returned to the location service requestor, also can the result be returned to the location service requestor by GMLC.
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2006047929A1 (en) * | 2004-10-30 | 2006-05-11 | Huawei Technologies Co., Ltd. | Game system, game platform and method for applying position information in the game |
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| FR2804823B1 (en) * | 2000-01-06 | 2002-07-05 | Cegetel | METHOD FOR MULTIPLE USE OF A RADIOTELEPHONE, AND SYSTEM, RADIOTELEPHONE, SUBSCRIBER IDENTIFICATION MODULE AND PRESENCE DETECTION DEVICE |
| DE10101292A1 (en) * | 2001-01-12 | 2002-07-18 | Siemens Ag | Mobile telecommunications device position determination involves keeping data block(s) free of other data at least temporarily for transmission of signal(s) for determining device position |
| CN1159935C (en) * | 2001-03-30 | 2004-07-28 | 华为技术有限公司 | Method and device for raising cellular mobile station positioning accuracy in urban environment |
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