CN100397941C - Method for locating roaming target user in location service - Google Patents

Method for locating roaming target user in location service Download PDF

Info

Publication number
CN100397941C
CN100397941C CNB2004100086723A CN200410008672A CN100397941C CN 100397941 C CN100397941 C CN 100397941C CN B2004100086723 A CNB2004100086723 A CN B2004100086723A CN 200410008672 A CN200410008672 A CN 200410008672A CN 100397941 C CN100397941 C CN 100397941C
Authority
CN
China
Prior art keywords
lsp
targeted customer
roaming
location
msc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2004100086723A
Other languages
Chinese (zh)
Other versions
CN1671235A (en
Inventor
阎晓路
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CNB2004100086723A priority Critical patent/CN100397941C/en
Publication of CN1671235A publication Critical patent/CN1671235A/en
Application granted granted Critical
Publication of CN100397941C publication Critical patent/CN100397941C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention discloses a locating method of roaming target users in a location service, which is characterized in that the method comprises the following procedures: A) after a locating service platform Home-LSP to which a roaming target user is attached receives a locating request of a target user, the service platform sends a search routing message based on number 7 signaling to an attaching location register HLR; the HLR searches the routing information of the target user and returns a returned message of the routing information based on number 7 signaling to the Home-LSP; the message carries a current mobile switching center identification MSC ID of the roaming target user; B) according to the MSC ID, a locate session initialization message based on number 7 signaling is sent to the current MSC; C) locate session with the roaming target user is established for locating interaction, and locating information of the roaming target user is acquired. The present invention solves the problem of the low locating efficiency in the prior art.

Description

In the location service to the roaming targeted customer localization method
Technical field
The present invention relates to the location service technology of mobile field, specifically, the present invention relates in location service, to the method that positions of targeted customer of roaming.
Background technology
Under the prerequisite of not changing the existing second generation (2G) system, the location service of agps system Network Based (AGPS) technology that will open at present is based on the application layer transmission, exploitation mobile alliance (OMA) tissue has proposed reliable user plane location (SUPL, Secure User PlaneLocation) standard, wherein relate to a kind of positioning service platform (Visit-LSP) and realize roaming targeted customer targeting scheme by targeted customer's visit, with, realize roaming targeted customer targeting scheme by the positioning service platform (Home-LSP) of targeted customer's ownership.
Referring to shown in Figure 1, Fig. 1 shows by the positioning service platform (Visit-LSP) of visit and realizes roaming targeted customer location process, and idiographic flow is as follows:
Step 101～102, the calling subscriber sends Location Request (LSP request) by location services client (LCS Client) to the request positioning service platform (Request-LSP, Request Location Service Platform) that service inserts ground;
Request-LSP resolves the Location Request of receiving, judging the targeted customer is not the local area user, Location Request is forwarded to the positioning service platform of targeted customer's ownership;
Step 103, Home-LSP carries out authentication, checks whether calling subscriber and LCS Client are authorized to, and authentication sends location sessions initial message (LSCINIT, LCS initiation) by the back to exchange of short messages center (SMSC);
Step 104～107, SMSC searches route messages SRI For SM (MAP_SEND_ROUTING_INFO_FOR_SHORT MESSAGE) to attaching position register (HLR) transmission and searches solid mark user routing iinformation, after routing iinformation is determined the MSC of current visit, SMSC sends the LCS initial message to this MSC, MSC transmits this message to the targeted customer then, to position conversation initialization;
Step 108, the targeted customer to Home-LSP by the needed related data of positioning starting request message (SLREQ) restoring to normal position, as cell information etc.;
Step 109, Home-LSP is transmitted to Location Request on the positioning service platform (Visit-LSP) of targeted customer's visit;
Step 110～112, Visit-LSP and targeted customer set up location sessions, and carry out positioning interaction, by the gps data to this locality select, process, calculating and pseudo-range corrections, finish property of network auxiliary global location (AGPS), discharge location sessions then with the targeted customer;
Step 113～115, Visit-LSP returns to Home-LSP with location response information, is forwarded to LCS Client by Home-LSP through Request-LSP, finishes the location to the roaming targeted customer.
Referring to shown in Figure 2, Fig. 2 shows by Home-LSP and realizes roaming targeted customer location process, wherein,
Step 201 to step 209 respectively with the step 101 of Fig. 1 to 109 identical;
Step 210, after Visit-LSP received the Location Request of Home-LSP transmission, to Home-LSP restoring to normal position request response, this message was carried the center of housing estate information on visit ground;
Step 211～213, Home-LSP and targeted customer set up location sessions, and carry out positioning interaction, by the gps data to this locality select, process, calculating and pseudo-range corrections, finish property of network auxiliary global location (AGPS), discharge location sessions then with the targeted customer;
Step 214～215, Home-LSP returns to location response information and is forwarded to LCS Client through Request-LSP, finish the location to the roaming targeted customer.
From above-mentioned steps as seen, prior art is to roaming targeted customer's position fixing process complexity, especially after needing to treat to obtain targeted customer's routing iinformation by SMSC, the LCS initial message can be sent to the targeted customer, and SMSC is a server that adopts queuing mechanism, do not have real-time fully, therefore loaded down with trivial details to targeted customer's position fixing process, location efficiency is lower.
Summary of the invention
The object of the present invention is to provide in a kind of location service, to the method for the targeted customer location of roaming, to improve location efficiency the targeted customer of roaming.
Technical scheme of the present invention is specific as follows:
To roaming targeted customer's localization method, this method may further comprise the steps in a kind of location service:
A) the positioning service platform Home-LSP of roaming targeted customer ownership receives after targeted customer's Location Request, to the search route messages of Home Location Register HLR transmission based on Signaling System Number 7, HLR searches this targeted customer's routing iinformation, and return routing iinformation return messages based on Signaling System Number 7 to Home-LSP, this message carries the current sign MSC ID of mobile switching centre of roaming targeted customer
B) initiate location sessions initial message according to MSC ID to current MSC based on Signaling System Number 7, C) set up location sessions with the roaming targeted customer, position mutual, obtain the required related data in location by the cell information of preservation and the corresponding relation of global positioning system reference receiver, obtain roaming targeted customer locating information.
Preferably, described step B comprises, B01) after Home-LSP receives the routing iinformation return messages that HLR returns, according to MSC ID and the corresponding relation in area and the corresponding relation of area and positioning service platform, determine the positioning service platform Visit-LSP of roaming targeted customer visit, and to this Visit-LSP forwarding Location Request, this Location Request carries the MSC ID that is returned by the routing iinformation return messages
B02) Visit-LSP determines current MSC according to MSC ID, and Visit-LSP sends the location sessions initial message to current MSC.
Wherein, the described step of setting up location sessions with the roaming targeted customer of step C comprises, after the roaming targeted customer receives the location sessions initial message, starts request to current Visit-LSP restoring to normal position, and VIsit-LSP and roaming targeted customer set up location sessions.
Described Visit-LSP preserves the corresponding relation of this area cell information and global positioning system reference receiver.
Preferably, described step B comprises, after Home-LSP received the routing iinformation return messages that HLR returns, Home-LSP determined current MSC according to MSC ID, directly sends the location sessions initial message to this MSC then.The described step of setting up location sessions with the roaming targeted customer of step C comprises, after the roaming targeted customer receives the location sessions initial message, starts request to the Home-LSP restoring to normal position, and Home-LSP and roaming targeted customer directly set up location sessions.
Described Home-LSP preserves the corresponding relation of the whole network cell information and global positioning system reference receiver.
The method that the present invention proposes to roaming targeted customer location, owing to directly search route to targeted customer HLR by message based on Signaling System Number 7, directly obtain the MSC of the current visit of roaming targeted customer, by initiating to set up location sessions based on the LCS initial message of Signaling System Number 7 to MSC, compared with prior art, the present invention has walked around SMSC, and has reduced positioning step, and the real-time and the efficient of location are improved.Further, what the present invention proposed realizes the localization method of calling subscriber to the roaming targeted customer by Home-LSP, need not the participation of Visit-LSP, makes location efficiency be further improved.
Description of drawings
Fig. 1 shows in the prior art and realizes roaming targeted customer location process by the positioning service platform (Visit-LSP) of visit.
Fig. 2 shows in the prior art and realizes roaming targeted customer location process by the positioning service platform (Home-LSP) of ownership.
Fig. 3 is the location service networking diagram of present sub-district.
Fig. 4 shows the embodiment of the invention 1 and realizes that by Visit-LSP the calling subscriber is to roaming targeted customer positioning flow.
Fig. 5 shows the embodiment of the invention 2 and realizes the positioning flow of calling subscriber to the roaming targeted customer by Home-LSP.
Fig. 6 shows the process that the present invention carries out self poisoning.
Embodiment
Embodiment provided by the invention can realize based on the location service networking of present sub-district, as shown in Figure 3, the location service networking comprises Visit-LSP, Request-LSP and Home-LSP, has the interconnection and interflow function between each LSP, message between LSP is based on ICP/IP protocol, and each LSP supports the Signaling System Number 7 function.
Embodiment 1:
Present embodiment has AGPS stationkeeping ability, each Visit-LSP based on the LSP of visit and preserves the GPS reference receiver of the corresponding relation of this area cell information (or other station location marker methods identified positional information) and GPS reference receiver and each department LSP and only need cover under the situation of scope of this area and implement.From HLR, obtain targeted customer's routing iinformation by sending SRI FOR SM message, thereby obtain the MSC ID of the current visit of targeted customer, the MSC ID and the corresponding relation of ground area code and the corresponding relation of ground area code and LSP that preserve by this locality of visit, find current Visit-LSP, this Visit-LSP is directly to the LCS initial message of the MSC of current visit transmission based on Signaling System Number 7, the notification target user positions the initial work of session, position mutual then, locating information is returned the calling subscriber, thereby finish roaming targeted customer's location.
Referring to shown in Figure 4, Fig. 4 shows by Visit-LSP calling subscriber roaming targeted customer positioning flow, and detailed process is as follows:
Step 301, the calling subscriber sends Location Request by LCS Client to the Request-LSP on service access ground, for example, promptly serves the Request-LSP localizing objects user on access ground by B ground the calling subscriber of A ground registration;
Step 302, Request-LSP resolves message, and judging the targeted customer is not the local area user, then Location Request is forwarded to the LSP of targeted customer's ownership place;
Step 303, Home-LSP carries out authentication, checks whether calling subscriber and LCS Client are authorized to, and authentication is initiated SRI FOR SM message by the back to the HLR of targeted customer's ownership;
Step 304, HLR returns SRI FOR SM response (SRI FOR SMAck) to Home-LSP, takes back the current visited MSC ID of targeted customer;
Step 305, it is Visit-LSP that Home-LSP finds the LSP of targeted customer roaming place according to the mapping table in MSC ID and area and area and the mapping table of LSP, and to Visit-LSP forwarding Location Request, the MSC ID that returns by SRI FOR SM Ack message is carried in this request;
Step 306～307, Visit-LSP sends the LCS initial message according to the MSC id information that returns to this MSC, and MSC sends to the targeted customer with the LCS initial message;
Step 308, because the LSP of visit has the AGPS stationkeeping ability and preserves this area cell information and the corresponding relation of GPS reference receiver, GPS reference receiver only need cover the scope of this area, the targeted customer is to the related data of Visit-LSP by SLREQ message restoring to normal position needs;
Step 309～311, Visit-LSP and targeted customer set up location sessions, and carry out positioning interaction, by the gps data to this locality select, process, calculating and pseudo-range corrections, finish property of network auxiliary global location (AGPS), discharge location sessions then with the targeted customer;
Step 312～314, Visit-LSP returns to Home-LSP with location response information, is forwarded to LCS Client by Home-LSP through Request-LSP, finishes the location to the roaming targeted customer.
Comparison diagram 1 and Fig. 4 and above-mentioned steps are as seen, step 301,302, and 309 to 314 respectively with prior art in step 101,102, and 110 to 115 be identical, but determine the LSP that the targeted customer visits by SRI FOR SM message and the SRIFOR SM Ack message based on Signaling System Number 7 between Home-LSP and the HLR in the present embodiment, rather than by searching route between SMSC and the HLR, walked around SMSC, also improved unit efficiency when having improved real-time, and, SLREQ message and LCS initial message are all only mutual between Visit-LSP and targeted customer, total step of the present invention reduces by a step than total step of prior art in the flow process, has improved location efficiency further.
Embodiment 2:
Present embodiment can have AGPS stationkeeping ability, each Home-LSP based on the LSP of visit and preserve the LSP of the corresponding relation of the whole network cell information (or other station location marker methods identified positional information) and GPS reference receiver and targeted customer's home zone and can obtain under the situation of gps data of network-wide basis and implement.From HLR, obtain targeted customer's routing iinformation by SRI FOR SM message, thereby obtain the MSC ID of the current visit of targeted customer, directly send LCS initial message by Home-LSP then based on Signaling System Number 7 to the MSC of current visit, the notification target user positions the initial work of session, position then alternately, thereby finish the location of roaming the targeted customer.
Referring to shown in Figure 5, Fig. 5 shows by Home-LSP and realizes the positioning flow of calling subscriber to the roaming targeted customer, and detailed process is as follows:
Step 401, the calling subscriber sends Location Request by LCS Client to the Request-LSP on service access ground, for example, promptly serves the Request-LSP localizing objects user on access ground by B ground the calling subscriber of A ground registration;
Step 402, Request-LSP resolves message, and judging the targeted customer is not the local area user, then Location Request is forwarded to the LSP of targeted customer's ownership place;
Step 403, Home-LSP carries out authentication, checks whether calling subscriber and LCS Client are awarded, and authentication is initiated SRI FOR SM message by the back to the HLR of targeted customer's ownership;
Step 404, HLR returns SRI FOR SM response (SRI FOR SM Ack) message to Home-LSP, takes back the current visited MSC ID of targeted customer;
Step 405～406, the MSC ID that Home-LSP returns according to SRI FOR SM Ack sends the LCS initial message to this MSC, and MSC sends to the targeted customer;
Step 407, the related data that the targeted customer needs by SLREQ message restoring to normal position to Home-LSP;
Step 408～410, because Home-LSP preserves the whole network cell information or other station location marker methods are said the positional information of sign and the corresponding relation of GPS reference receiver, Home-LSP and targeted customer set up location sessions, and carry out positioning interaction, by the gps data to this locality select, process, calculating and pseudo-range corrections, finish the property of network auxiliary global location, discharge location sessions then with the targeted customer;
Step 411～412, Home-LSP returns to location response information and is forwarded to LCS Client through Request-LSP, finish the location to the roaming targeted customer.
Comparison diagram 2 and Fig. 5 and above-mentioned steps are as seen, step 401,402,407,408 and 408 to 412 respectively with prior art in step 201,202,207,208 and 211 is identical to 215, but in the present embodiment, determine the MSC that the targeted customer visits by SRI FORSM message and the SRI FOR SM Ack message based on Signaling System Number 7 between Home-LSP and the HLR, rather than by searching route between SMSC and the HLR, walked around SMSC, improved real-time, and because present embodiment need not the participation of Visit-LSP, need not carry out step 209 and step 210 in the prior art, promptly needn't between Home-LSP and Visit-LSP, position the mutual of request, therefore can improve location efficiency further.
Above embodiment 1 and embodiment 2 have described the method for calling subscriber to roaming targeted customer location, further, and when the calling subscriber roams, calling subscriber self can carry out the location of self as the targeted customer, for example, when the user of A ground registration roams into B ground, can carry out the location of self.As shown in Figure 6, Fig. 6 shows the process of carrying out self poisoning.Detailed process is as follows:
Step 601, the targeted customer who roams into B ground initiates SLREQ message to its Home-LSP;
Step 602～603, Home-LSP carries out authentication to request, and authentication starts response by the back to targeted customer's restoring to normal position; And Home-LSP and targeted customer position alternately, by the gps data to this locality select, process, calculating and pseudo-range corrections, finish the property of network auxiliary global location.

Claims (7)

  1. In the location service to roaming targeted customer's localization method, it is characterized in that this method may further comprise the steps:
    A) the positioning service platform Home-LSP of roaming targeted customer ownership receives after targeted customer's Location Request, to the search route messages of attaching position register HLR transmission based on Signaling System Number 7, HLR searches this targeted customer's routing iinformation, and return routing iinformation return messages based on Signaling System Number 7 to Home-LSP, this message carries the current sign MSC ID of mobile switching centre of roaming targeted customer
    B) initiate location sessions initial message according to MSC ID to current MSC based on Signaling System Number 7,
    C) set up location sessions with the roaming targeted customer, position alternately, obtain the required related data in location, obtain roaming targeted customer locating information by the cell information of preservation and the corresponding relation of global positioning system reference receiver.
  2. 2. to roaming targeted customer's localization method, it is characterized in that in the location service according to claim 1 that described step B comprises,
    B01) after Home-LSP receives the routing iinformation return messages that HLR returns, according to MSC ID and the corresponding relation in area and the corresponding relation of area and positioning service platform, determine the positioning service platform Visit-LSP of roaming targeted customer visit, and to this Visit-LSP forwarding Location Request, this Location Request carries the MSC ID that is returned by the routing iinformation return messages
    B02) Visit-LSP determines current MSC according to MSC ID, and Visit-LSP sends the location sessions initial message to current MSC.
  3. 3. in the location service according to claim 2 to the roaming targeted customer localization method, it is characterized in that, the described step of setting up location sessions with the roaming targeted customer of step C comprises, after the roaming targeted customer receives the location sessions initial message, start request to current Visit-LSP restoring to normal position, Visit-LSP and roaming targeted customer set up location sessions.
  4. 4. to roaming targeted customer's localization method, it is characterized in that described Visit-LSP preserves the corresponding relation of this area cell information and global positioning system reference receiver in the location service according to claim 2.
  5. 5. to roaming targeted customer's localization method, it is characterized in that in the location service according to claim 1 that described step B comprises,
    After Home-LSP received the routing iinformation return messages that HLR returns, Home-LSP determined current MSC according to MSC ID, directly sent the location sessions initial message to this MSC then.
  6. 6. in the location service according to claim 5 to the roaming targeted customer localization method, it is characterized in that, the described step of setting up location sessions with the roaming targeted customer of step C comprises, after the roaming targeted customer receives the location sessions initial message, start request to the Home-LSP restoring to normal position, Home-LSP and roaming targeted customer directly set up location sessions.
  7. 7. to roaming targeted customer's localization method, it is characterized in that described Home-LSP preserves the corresponding relation of the whole network cell information and global positioning system reference receiver in the location service according to claim 5.
CNB2004100086723A 2004-03-16 2004-03-16 Method for locating roaming target user in location service Expired - Fee Related CN100397941C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2004100086723A CN100397941C (en) 2004-03-16 2004-03-16 Method for locating roaming target user in location service

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100086723A CN100397941C (en) 2004-03-16 2004-03-16 Method for locating roaming target user in location service

Publications (2)

Publication Number Publication Date
CN1671235A CN1671235A (en) 2005-09-21
CN100397941C true CN100397941C (en) 2008-06-25

Family

ID=35042259

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100086723A Expired - Fee Related CN100397941C (en) 2004-03-16 2004-03-16 Method for locating roaming target user in location service

Country Status (1)

Country Link
CN (1) CN100397941C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070039855A (en) * 2005-10-10 2007-04-13 삼성전자주식회사 Location service providing system and method for providing triggered location request service using a previously calculated position thereof
CN1870762B (en) * 2005-11-17 2011-08-24 华为技术有限公司 Method and system for transmitting signalling message
KR100880406B1 (en) 2006-03-24 2009-01-30 엘지전자 주식회사 Location positioning method in handover between networks
CN101232700B (en) * 2007-01-26 2012-09-05 华为技术有限公司 System, device and method for providing location business
CN101325796B (en) * 2007-06-12 2012-11-07 北京三星通信技术研究有限公司 Processing method for implementing locating business in Wimax network
CN101296147B (en) * 2008-06-10 2011-12-07 中兴通讯股份有限公司 position information acquiring method and system
CN102082997A (en) * 2009-11-26 2011-06-01 中兴通讯股份有限公司 Location method, system and device
CN101931933B (en) * 2010-09-02 2014-06-11 中兴通讯股份有限公司 Method, system and positioning platform for sending positioning request to mobile terminal
CN101982987A (en) * 2010-10-29 2011-03-02 中国电信股份有限公司 Method, module and platform for providing information of roaming place

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1258422A (en) * 1997-04-10 2000-06-28 夸尔柯姆股份有限公司 Determining location of subscriber unit in mobile communication system
CN1310925A (en) * 1998-07-21 2001-08-29 艾利森电话股份有限公司 Telemetry numbering for SMS and USSD
WO2003034770A1 (en) * 2001-10-19 2003-04-24 Telefonaktiebolaget Lm Ericsson Method for checking whether a mobile station supports a location service (lcs) in a packet switched mode

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1258422A (en) * 1997-04-10 2000-06-28 夸尔柯姆股份有限公司 Determining location of subscriber unit in mobile communication system
CN1310925A (en) * 1998-07-21 2001-08-29 艾利森电话股份有限公司 Telemetry numbering for SMS and USSD
WO2003034770A1 (en) * 2001-10-19 2003-04-24 Telefonaktiebolaget Lm Ericsson Method for checking whether a mobile station supports a location service (lcs) in a packet switched mode

Also Published As

Publication number Publication date
CN1671235A (en) 2005-09-21

Similar Documents

Publication Publication Date Title
AU2005205506C1 (en) Providing location information in a visited network
KR100749948B1 (en) Apparatus and method for providing location information
CN101361392A (en) Terminal status discovery in secure user plane location positioning procedure
CN1906957B (en) User plane location based service using message tunneling to support roaming
CN100481980C (en) Telephony services in mobile IP network
CN103222285B (en) For via ownership B node（HNB）Carry out the method and apparatus of support position service
US20080233931A1 (en) Location Service Method and System
CN101160986B (en) Method for locating mobile terminal
CN105119976A (en) Location emergency calls for femto access points
CN1491060A (en) Positioning method for AGPS mobile in mobile communication network
CN101115306B (en) Method and system for implementing user intimacy safety in auxiliary global positioning process
CN100397941C (en) Method for locating roaming target user in location service
WO2005104577A1 (en) A system of realizing location and method thereof
CN101147407A (en) Terminal, system and method for providing location information service by interworking between wlan and mobile communication network
CN100471288C (en) Method and system for obtaining sponsor party position information for target party
CN100372441C (en) Mobile terminal positioning method
KR100766605B1 (en) Method and system for providing location information through interworking system between roaming service platforms
US20070167158A1 (en) Method and system to enable roaming on demand in wireless communication networks
KR100775538B1 (en) Method and system for providing location based service for roaming subscriber
CN102082997A (en) Location method, system and device
CN101115307B (en) Method and system for implementing user intimacy safety in auxiliary global positioning process
CN102065399A (en) Unidentified secure user plane location (SUPL) enabler terminal (SET) terminal-based emergency location realizing method and system
CN101848415A (en) Method for positioning network side starting visit place by using location platform during roaming of terminal
KR100802081B1 (en) Method and system for providing path service

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080625