CN100388854C - Realization method for positioning users - Google Patents
Realization method for positioning users Download PDFInfo
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- CN100388854C CN100388854C CNB2004100389800A CN200410038980A CN100388854C CN 100388854 C CN100388854 C CN 100388854C CN B2004100389800 A CNB2004100389800 A CN B2004100389800A CN 200410038980 A CN200410038980 A CN 200410038980A CN 100388854 C CN100388854 C CN 100388854C
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- positioning center
- mobile positioning
- short message
- location
- result
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Abstract
The present invention provides a realization method for positioning users, which comprises the following steps: A: a client terminal sends a positioning request to a mobile positioning center; B: the mobile positioning center sends the positioning request to a positioning entity; C: the mobile positioning center sends a positioning request short message to a target MS; D: the target MS returns a positioning request response short message to the mobile positioning center; E: the positioning entity interacts messages with the MS to position, and returns a positioning result to the mobile positioning center; the mobile positioning center stores the positioning result and judges whether the positioning request response short message is received or not; if false, enter step F; F: the positioning request short message sent out from the mobile positioning center is judged that whether a user confirm is required or not, if false, enter step G; G: the positioning result stored in the mobile positioning center is processed correspondingly. The present invention improves a positioning success ratio in a positioning procedure initiated by a GPSOne network side.
Description
Technical field
The present invention relates to location service, relate to a kind of user or rather and locate implementation method.
Background technology
The GPSOne positioning flow comprises that three big flow process: WAP (wireless application protocol) WAP (Wirelessapplication protocol) use the flow process (being the WWW positioning flow) and the BREW/JAVA flow process of positioning flow, network side initiation.
The positioning flow that network side is initiated is as follows: the user is by Internet, the WEB service that uses certain service provider to provide.After service provider's server receives user's request, send the L1 request message to mobile positioning center MPC (Mobile Postioning Center).MPC is behind the location of finishing the user that is positioned, and the user position information that will be positioned returns to service provider's server by the L1 response message.Service provider's server converts image information display to according to the positional information that obtains and gives the user.
The positioning flow that network side is initiated in the prior art, as shown in Figure 1:
A) location service LCS (Location Service) client sends Location Request by the L1 interface protocol to mobile positioning center.
B) mobile positioning center carries out authorization check to the authentication of LCS client and target MS MS (Mobile Station) to LCS client and inquiry promoter.Whether mobile positioning center is signatory to user/CP database auditing LCS client and target MS, initiates the positional information whether located subscriber has the right to obtain target MS.
C) user/CP database returns authenticating result to mobile positioning center.
D) mobile positioning center uses GEOPOSREQ message to send Location Request to position determining entity.Start timer T1.
E) mobile positioning center sends a special Mobile Termination MT (Mobile Terminated) short message by sms center to target MS.Start timer T3.The form of described MT short message is as shown in Table 1:
Table one
| Field | Length(bits) |
| Version | 8 |
| Notification and Verification Indicator | 8 |
| Positioning Technology Indicator | 8 |
| Correlation Identifier | 8 |
| PDE IP Address | 32 |
| PDE Port Number | 16 |
| Requester’s Identifier | Variable Length |
Wherein, Notification and Verification Indicator: whether the indication travelling carriage needs to notify terminal use and wait acknowledge." 00000000 " meaning does not promptly need to notify user and wait acknowledge, " 00000001 " to refer to notify user and wait acknowledge, and every other value keeps.
F) target MS sends Mobile Origination MO (Mobile Originated) short message to mobile positioning center, agrees the location.If mobile positioning center is received this MO short message, then termination timing device T3.
Table two is depicted as the form of MO SMS Message:
Table two
| Field | Length(bits) |
| Version | 8 |
| Consent Indicator | 8 |
| gpsOne Status | 8 |
| Correlation Identifier | 8 |
| SID | 16 |
| NID | 16 |
| BASE_ID | 16 |
| BASE_LAT | 32 |
| BASE_LONG | 32 |
| Time Stamp | 40 |
The concrete implication of Consent Indicator is as shown in Table 3 in the table two:
Table three
| Meaning | Value |
| Consent Given (user's agreement) | ’00000000’ |
| Consent Not Given-User Denied Request (disagreeing with-user's refusal) | ’00000001’ |
| No Response-Pop Up Screen Timer Expired is response not, ejects the timer expiry of dialog box | ’00000010’ |
| MS Refused (Busy, Privacy, Protocol Error etc) MS refusal (busy, privacy restrictions, protocol error etc.) | ’00000011’ |
| Consent Not Needed/Requested (only applicable for MT Services) do not need/or require the user to agree (only being applicable to the MT business) | ’00000100’ |
| Reserved keeps | All other values of AllOther Values |
G) carry out the IS801 interacting message between position determining entity and the MS, and carry out the calculating of MS position.
H) position determining entity uses geoposreq to mobile positioning center restoring to normal position result.After mobile positioning center is received geoposreq, termination timing device T1.Mobile positioning center store location result, and only reply the MO short message what receive travelling carriage, after information representation user wherein agreed to be positioned, just the message by meeting the L1 interface protocol was to LCS client restoring to normal position result.
In above-mentioned flow process, if T3 is overtime, perhaps the user disagrees with and is positioned, and then enters the flow process shown in the accompanying drawing 2:
A to E step is identical with the flow process shown in the accompanying drawing 1;
F) T3 is overtime, and perhaps the user disagrees with and is positioned.
G) mobile positioning center sends CANCELPDNOTIFY message to position determining entity, notice position determining entity cancellation location.
According to existing technical scheme, if what MPC issued is that the MT short message that does not need the user to confirm (is in the MT short message, Notification and Verification Indicator indicated value is " 00000000 ", meaning does not promptly need to notify user and wait acknowledge travelling carriage to receive the MT short message), and travelling carriage is received the also correct MO short message that sent behind the MT short message.But owing to reasons such as situation of mobile network, the MO short message can not in time arrive MPC or just arrive after the MO short message long period, thereby causes T3 overtime.And this moment, travelling carriage was initiated the IS801 session, and IS801 is also success alternately, and the geoposreq that last position determining entity PDE (Position Determining Entity) also will have latest position information is receiveed the response and returned to MPC.Whether 2 step H are said according to accompanying drawing, no matter need the user to confirm, as long as T3 is overtime, just thinks and locate failure.In fact, MPC has correctly obtained positional information, and therefore the location implementation method according to prior art will cause correctly home position information in such cases.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of user to locate implementation method, improves the position success rate of the positioning flow of GPSOne network side initiation.
User of the present invention locatees implementation method, comprises the steps:
A, client send Location Request to mobile positioning center;
B, mobile positioning center send Location Request to position determining entity;
C, mobile positioning center send the Location Request short message to target MS;
D, target MS are to mobile positioning center restoring to normal position request response short message;
E, position determining entity and MS carry out interacting message with the location, and position determining entity is to mobile positioning center restoring to normal position result, mobile positioning center store location result, and judge whether to have received described Location Request response short message; If not, enter step F;
F, judge whether the Location Request short message that mobile positioning center issues needs the user to confirm, confirm, enter step G if need not the user;
G, mobile positioning center according to positioning result indication determine whether success of location, and after locating successfully to client restoring to normal position result.
Described step C comprises that further mobile positioning center after target MS sends the Location Request short message, starts timer;
Then in the step F,, judge then whether described timer is overtime if the indication of Location Request short message needs the user to confirm, if overtime, mobile positioning center notice position determining entity cancellation location; Otherwise, continue to wait for Location Request response short message, receive described response short message after, take out the positioning result of mobile positioning center storage, handle accordingly according to described positioning result.
Handling specifically accordingly according to positioning result described in described step F and the step G is meant: if described positioning result indication location failure, then mobile positioning center is to client restoring to normal position failure result; If described positioning result indication is located successfully, then mobile positioning center is to client restoring to normal position result.
Described step F is meant that further position determining entity passes through geoposreq message to mobile positioning center restoring to normal position result;
Then the POSRESULT parameter value in the geoposreq message is that 2 indications are located successfully among the step G, and parameter value is 4 indication location failures.
Described client sends Location Request by the L1 interface protocol to mobile positioning center, and mobile positioning center passes through the message of L1 interface protocol to LCS client restoring to normal position result.
Described step B takes a step forward and comprises: mobile positioning center is initiated request to user/CP database, and whether carry out client and target MS signatory and/or initiate the authentication whether located subscriber has the right to obtain the positional information of target MS; User/CP database returns authenticating result to mobile positioning center, if authentication is passed through, enters step B, otherwise returns failure result to client.
Described step B is meant that further mobile positioning center uses GEOPOSREQ message to send Location Request to position determining entity.
Described step e further comprises if received described Location Request response short message, judge then whether the user agrees the location, if agree that mobile positioning center is to client restoring to normal position result; Otherwise, mobile positioning center notice position determining entity cancellation location.
Described mobile positioning center is by sending CANCELPDNOTIFY message to position determining entity, notice position determining entity cancellation location.
Described Location Request short message is meant the MT short message, wherein, indication did not need the user to confirm when described notice and affirmation indication (Notification and Verification Indicator) parameter were " 00000000 ", and indication needs the user to confirm during for " 00000001 "; Described Location Request response short message is meant the MO short message.
Described position determining entity of step e and MS carry out interacting message and are meant with the location and carry out the IS801 interacting message.
For reaching above purpose, technical scheme of the present invention is achieved in that
According to existing network actual conditions statistics, can not arrive in time owing to mobile network or other reason cause the MO short message that situation that MPC or MO short message long period just arrive still exists, and send out
Can guarantee that other all links are all normal in position fixing process after adopting the present invention, but can not in time arrive under the situation that MPC or MO long period just arrive, locate successfully owing to mobile network or other reason cause the MO short message.So the benefit that adopts the present invention to bring compared to existing targeting scheme is to have improved the position success rate of the flow process of GPSOne network side initiation.
Description of drawings
The location success schematic flow sheet that Fig. 1 initiates for the background technology network side;
The location failure procedures schematic diagram that Fig. 2 initiates for the background technology network side;
Fig. 3 locatees the implementation method schematic flow sheet for user of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in more detail.
User provided by the invention locatees implementation method and comprises the steps: A) client sends Location Request to mobile positioning center; B) mobile positioning center sends Location Request to position determining entity; C) mobile positioning center sends the Location Request short message to target MS; D) target MS is to mobile positioning center restoring to normal position request response short message; E) position determining entity and MS carry out interacting message with the location, and position determining entity is to mobile positioning center restoring to normal position result, mobile positioning center store location result, and judge whether to have received described Location Request response short message; If do not receive, enter step F; F) judge whether the Location Request short message that mobile positioning center issues needs the user to confirm, confirm, enter step G if need not the user; G) according to the positioning result of mobile positioning center storage, handle accordingly.
In the following embodiments, it is example with the MT short message that mobile positioning center sends the Location Request short message to target MS, and corresponding target MS is example to mobile positioning center restoring to normal position request response short message with the MO short message.
What issue as MPC is the MT short message that does not need the user to confirm, travelling carriage is received the MT short message, after correct the processing, has sent the MO short message.But owing to reasons such as situation of mobile network, the MO short message can not in time arrive MPC or the MO long period just arrives, thereby causes T3 overtime.It is mutual that but this moment, travelling carriage was initiated IS801, and IS801 is also success alternately, and the geoposreq that last PDE also will have latest position information is receiveed the response and returned to MPC.Just think to fail as long as T3 is overtime in the prior art.Core of the present invention is exactly the flow process of optimizing in the case, makes correctly restoring to normal position result of MPC, improves the position success rate of the flow process of GPSOne network side initiation.
Referring to Fig. 3, Fig. 3 locatees the implementation method schematic flow sheet for the user of a preferred embodiment of the present invention.
1) LCS client sends Location Request by the L1 interface protocol to mobile positioning center.
2) mobile positioning center carries out authorization check to the authentication of LCS client and target MS to LCS client and inquiry promoter.Whether mobile positioning center is signatory to user/CP database auditing LCS client and target MS, initiates the positional information whether located subscriber has the right to obtain target MS.
3) user/CP database returns authenticating result to mobile positioning center.
4) mobile positioning center uses GEOPOSREQ message to send Location Request to position determining entity.Start timer T1.
5) mobile positioning center sends a special MT (Mobile Termination) short message by sms center to target MS.Start timer T3.
6) target MS sends MO (Mobile Origination) short message to mobile positioning center, agrees the location.
7) carry out the IS801 interacting message between position determining entity and the MS, carry out the calculating of MS position.
8) position determining entity uses geoposreq to mobile positioning center restoring to normal position result.Termination timing device T1.Mobile positioning center store location result.Mobile positioning center judges whether to have received the MO short message.If receive, enter step 9), otherwise, enter step 10).
9) judge the MO short message, determine whether the user agrees the location.If MO short message indication user agrees the location, then mobile positioning center to LCS client restoring to normal position result, is located successfully process ends by the message of L1 interface protocol; If MO short message indication user refuses the location, mobile positioning center sends CANCELPDNOTIFY message to position determining entity, notice position determining entity cancellation location, process ends.
10) judge whether the MT short message that mobile positioning center issues is the short message that needs the user to confirm,, enter step 11), otherwise enter step 12) if mobile positioning center issues is the MT short message that does not need the user to confirm
11) judge the geoposreq message of receiving, if parameter POSRESULT value wherein is 2, expression is located successfully, and then mobile positioning center passes through the message of L1 interface protocol to LCS client restoring to normal position result; If parameter POSRESULT value is 4, then expression location failure is failed process ends by the message of L1 interface protocol to the LCS client restoring to normal position.
12) judge whether timer T3 is overtime, if overtime mobile positioning center sends CANCELPDNOTIFY message to position determining entity, notice position determining entity cancellation location, process ends; Otherwise geoposreq is preserved, and continue to wait for MO.When receiving MO, the geoposereq that originally preserved is taken out, handle according to step 11 again.If continuation etc. are by the time T3 is overtime, then mobile positioning center sends CANCELPDNOTIFY message to position determining entity, notice position determining entity cancellation location.
Can guarantee that other all links are all normal in position fixing process after adopting the present invention, but, mobile network or other reason can not in time arrive under the situation that MPC or MO long period just arrive owing to causing the MO short message, the location still can be successful, to improve the position success rate of the flow process that the GPSOne network side initiates.
Claims (11)
1. a user locatees implementation method, it is characterized in that, comprises the steps:
A, client send Location Request to mobile positioning center;
B, mobile positioning center send Location Request to position determining entity;
C, mobile positioning center send the Location Request short message to target MS MS;
D, target MS are to mobile positioning center restoring to normal position request response short message;
E, position determining entity and MS carry out interacting message with the location, and position determining entity is to mobile positioning center restoring to normal position result, mobile positioning center store location result, and judge whether to have received described Location Request response short message; If do not receive, enter step F;
F, judge whether the Location Request short message that mobile positioning center issues needs the user to confirm, confirm, enter step G if need not the user;
G, mobile positioning center according to positioning result indication determine whether success of location, and after locating successfully to client restoring to normal position result.
2. the method for claim 1 is characterized in that:
Step C comprises that further mobile positioning center after target MS sends the Location Request short message, starts timer;
Then in the step F,, judge then whether described timer is overtime if the indication of Location Request short message needs the user to confirm, if overtime, mobile positioning center notice position determining entity cancellation location; Otherwise, continue to wait for Location Request response short message, receive described response short message after, take out the positioning result of mobile positioning center storage, handle accordingly according to described positioning result.
3. method as claimed in claim 2, it is characterized in that: handling specifically accordingly according to positioning result described in step F and the step G is meant: if described positioning result indication location failure, then mobile positioning center is to client restoring to normal position failure result; If described positioning result indication is located successfully, then mobile positioning center is to client restoring to normal position result.
4. method as claimed in claim 3 is characterized in that:
Step F is meant that further position determining entity passes through geoposreq message to mobile positioning center restoring to normal position result;
Then the POSRESULT parameter value in the geoposreq message is that 2 indications are located successfully among the step G, and parameter value is 4 indication location failures.
5. the method for claim 1, it is characterized in that: client sends Location Request by the L1 interface protocol to mobile positioning center, and the message of mobile positioning center by the L1 interface protocol is to LCS client restoring to normal position result.
6. the method for claim 1, it is characterized in that: step B takes a step forward and comprises: mobile positioning center is initiated request to user/CP database, and whether carry out client and target MS signatory and/or initiate the authentication whether located subscriber has the right to obtain the positional information of target MS; User/CP database returns authenticating result to mobile positioning center, if authentication is passed through, enters step B, otherwise returns failure result to client.
7. the method for claim 1 is characterized in that: step B is meant that further mobile positioning center uses GEOPOSREQ message to send Location Request to position determining entity.
8. the method for claim 1 is characterized in that: step e further comprises if received described Location Request response short message, judge then whether the user agrees the location, if agree that mobile positioning center is to client restoring to normal position result; Otherwise, mobile positioning center notice position determining entity cancellation location.
9. as claim 2 or 8 described methods, it is characterized in that: mobile positioning center is by sending CANCELPDNOTIFY message to position determining entity, notice position determining entity cancellation location.
10. the method for claim 1, it is characterized in that: described Location Request short message is meant Mobile Termination MT short message, wherein, indication did not need the user to confirm when notice and affirmation parameter were " 00000000 ", and indication needs the user to confirm during for " 00000001 "; Described Location Request response short message is meant Mobile Origination MO short message.
11. method as claimed in claim 10 is characterized in that: described position determining entity of step e and MS carry out interacting message and are meant with the location and carry out the IS801 interacting message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100389800A CN100388854C (en) | 2004-05-10 | 2004-05-10 | Realization method for positioning users |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100389800A CN100388854C (en) | 2004-05-10 | 2004-05-10 | Realization method for positioning users |
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| Publication Number | Publication Date |
|---|---|
| CN1697547A CN1697547A (en) | 2005-11-16 |
| CN100388854C true CN100388854C (en) | 2008-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100389800A Expired - Fee Related CN100388854C (en) | 2004-05-10 | 2004-05-10 | Realization method for positioning users |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101640837B (en) * | 2009-09-09 | 2012-02-15 | 中国电信股份有限公司 | Method for increasing position success ratio and mobile position center (MPC) equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1284247A (en) * | 1997-11-26 | 2001-02-14 | 艾利森公司 | System and method for authorization of location services |
| US6259923B1 (en) * | 1997-07-08 | 2001-07-10 | Sk Telecom Co., Ltd. | Method for providing cell location service |
| CN1464668A (en) * | 2002-06-27 | 2003-12-31 | 深圳市中兴通讯股份有限公司上海第二研究所 | Method for implementing positioning service in communication system |
| WO2004036930A1 (en) * | 2002-10-17 | 2004-04-29 | Huawei Technologies Co., Ltd. | Method of positioning the agps handset in mobile communication networks |
-
2004
- 2004-05-10 CN CNB2004100389800A patent/CN100388854C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6259923B1 (en) * | 1997-07-08 | 2001-07-10 | Sk Telecom Co., Ltd. | Method for providing cell location service |
| CN1284247A (en) * | 1997-11-26 | 2001-02-14 | 艾利森公司 | System and method for authorization of location services |
| CN1464668A (en) * | 2002-06-27 | 2003-12-31 | 深圳市中兴通讯股份有限公司上海第二研究所 | Method for implementing positioning service in communication system |
| WO2004036930A1 (en) * | 2002-10-17 | 2004-04-29 | Huawei Technologies Co., Ltd. | Method of positioning the agps handset in mobile communication networks |
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| Publication number | Publication date |
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| CN1697547A (en) | 2005-11-16 |
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