CN101640837B - Method for increasing position success ratio and mobile position center (MPC) equipment - Google Patents

Method for increasing position success ratio and mobile position center (MPC) equipment Download PDF

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CN101640837B
CN101640837B CN2009101702621A CN200910170262A CN101640837B CN 101640837 B CN101640837 B CN 101640837B CN 2009101702621 A CN2009101702621 A CN 2009101702621A CN 200910170262 A CN200910170262 A CN 200910170262A CN 101640837 B CN101640837 B CN 101640837B
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mpc
location
target terminal
fix
message
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CN101640837A (en
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姜杰
黄莺
陆玉兰
王芸
魏民
史小军
王键
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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Abstract

The invention discloses a method for increasing position success ratio and MPC equipment. The method comprises the following steps that when receiving the position request from LCSCLIENT, the MPC exams terminal capability; if a positioned object terminal supports high-precision position or non-terminal capability information, a position mode with the highest position precision, which is supported by a mobile station, is used; if the object terminal supports gps One, the MPC returns user position information in a CELL ID mode of a user panel when the IS 801 mode of the gps One fails; and if the object terminal does not support the high-precision position, the MPC restarts control panel position and returns user position service when the high-precision position fails. The invention can add a position rollback mechanism in an original standard position business flow and enhance the non-high-precision position success ratio and the business use sensation of users at lower cost, and is favorable for operators to generalize businesses based on position service.

Description

A kind of implementation method and mobile positioning center equipment that increases position success rate
Technical field
The present invention relates to the mobile communication technology field, be meant a kind of implementation method and mobile positioning center (MPC) equipment that increases position success rate especially.
Background technology
Location-based business (Location Based Services; Be called for short LBS); Claim shift position business or positioning service again, be meant that the mobile network obtains the geographical location information (latitude and longitude coordinates) of portable terminal through specific location technology, offers mobile subscriber, communication system or third party; And by the support of certain electronic map information, for the mobile subscriber provides calling or the non-calling class service relevant with its position.
High accuracy gpsOne location (user plane location) and rough grade location (chain of command location) are divided in the location.Be by high-precision fixed bit platform and rough grade locating platform service to be provided respectively respectively at present.
Hi-Fix need rely on specific terminal (supporting gpsOne), and the rough grade location does not rely on specific terminal.
The locate mode of present high accuracy gpsOne locating platform is a low precision after the first high accuracy, selects locate mode according to " RESP_REQ " in the Location Request and filling in of " HOR_ACC " value.When a positioning accuracy request Location Request not high or that time response is less demanding is come; MPC (mobile positioning center) returns the position of renewal, at first checks terminal capability, if gpsOne or endless ability information are supported in the terminal; The locate mode gpsOne location of the high position precision that adopts then that travelling carriage supports; GpsOne's supported in the terminal, fails when IS801 (not comprising user plane CELL ID) mode, then adopts user plane CELL ID mode to return user's locating information; GpsOne's do not supported in the terminal, fails when the gpsOne mode and then directly reply the location failure information.Detailed process is referring to shown in Figure 1, and when its Location Request having described the high-precision fixed bit platform of present mobile communication network navigation system was failed in the gpsOne location, the flow process of launching the cell/sector locate mode of gpsOne was supported at the terminal.Detailed process is following:
Step 101, LCS CLIENT (location services client) comprises CP sign LCSCLIENTID, inquires about the ID that the promoter marks service quality PQoS, ORID and target MS (travelling carriage) through the L1/Le interface in mobile positioning center transmission locating request message Location Request.
Step 102; Mobile positioning center is to LCS CLIENT, sends the authenticating and charging request message ISMAP Authpricereq authentication of chargeing to the ISMP (Integrated Service ManagementPlatform, Integrated Service Management Platform); Be initiator's Client-initiated location like positioning service; Whether ISMP inspection initiator user signatory uses positioning service, uses the location of initiation like positioning service for the third party, and whether ISMP inspection CP and target MS be signatory.
Step 103, ISMP returns authenticating and charging response ISMAPAuthpricersp to mobile positioning center.
Step 104, after authentication was passed through, mobile positioning center carried out the privacy inspection to the user that is positioned, and inspection is initiated located subscriber or is used the positional information of whether having the right to obtain target MS.Mobile positioning center sends a Mobile Termination short message Location Request MT SMS Positioning Request through special-purpose sms center to target MS.MPC starts timer T3.
Step 105, MS sends enable position process requested message StartPositioning Process Request to mobile positioning center, agrees the location.MPC termination timing device T3.
Step 106, mobile positioning center use GEOPOSREQ message to send Location Request to position determining entity.MPC starts timer T1.
Step 107, PDE (Position Determining Entity, position determining entity) returns a geoposreq ' message to MPC, confirms the IS-801 message of its preparation acceptance from MS.
Step 108, MPC sends (beginning connects with a PDE) message StartPositioning ProcessResponse who comprises used PDE address and port numbers to MS.
Step 109, the unusual or PDE of IS801 session can not receive Mobile Originated IS801 conversation message at the appointed time, and gpsOne locatees failure
Step 110, position determining entity are passed through geoposreq ' message and are returned the result based on the cell/section location, MPC termination timing device T1 to mobile positioning center.
Step 111, MPC preserves the positioning result of target MS, and sends to LCS CLIENT through the L1/Le interface
Can find out that when gpsOne was not supported in the terminal, timer T3 response timeout directly stopped the location when step 105, returns failure information according to prior art.The perceptibility that so not only makes the user use reduces, and is unfavorable for improving the success rate of non-hi-Fix.
Summary of the invention
In view of this; The objective of the invention is to propose a kind of implementation method and mobile positioning center equipment that increases position success rate; MPC is had the ability according to the requirement of Location Request; Carry out locating or the chain of command positioning action, and the terminal of not supporting gpsOne is return back to the success rate that chain of command positions the non-hi-Fix of raising when initiating the failure of user plane location based on user plane.
Based on above-mentioned purpose a kind of implementation method that increases position success rate provided by the invention, comprising:
When mobile positioning center MPC receives the Location Request of location services client LCS CLIENT; The target terminal ability of MPC inspection location; If the target terminal of location is supported gpsOne or endless ability information, the locate mode of the high position precision that adopts then that target terminal supports;
If the target terminal of location is supported hi-Fix, when the IS801 mode that adopts hi-Fix is failed, then MPC adopts user plane base station section address CELL ID mode to return user's locating information;
If the target terminal of location is not supported hi-Fix, when the failure of hi-Fix location, MPC initiates the chain of command location again, returns user's positioning service.
Optional; This method further comprises: MPC sends Mobile Termination short message Location Request to said target terminal; And the startup timer, if up to timer expiry, MPC does not still receive the enable position process requested message that said target terminal sends; Judge that then the terminal do not support hi-Fix, the hi-Fix failure.
Optional, the said MPC of this method initiates the chain of command location again, and the process of returning user's positioning service further comprises:
The MPC destination address request message that sends SMS message is given the attaching position register HLR of said destination end user;
HLR judges the current activated state that is in of said target terminal, and HLR returns short message destination address response message and gives ownership MPC;
Ownership MPC obtains the service MSC address of said destination end user roaming place; And judge if the application accuracy of LCS CLIENT request is not supported the PN4747 location for the MSC that positioning accuracy or user roaming place based on mobile switch address MSCID level belong to; Then the direct Query Database of MPC obtains the position of this service MSC regional center (RC) point; To LCS CLIENT restoring to normal position result, flow process finishes MPC through the Location Request interface; Otherwise, get into next step;
Ownership MPC sends the target terminal location request message and gives service MSC;
Service MSC returns target terminal position request response message and gives service MPC, has encapsulated the pilot measurement information of obtaining said MS in this message;
Ownership MPC selects suitable substance P DE according to the PDE information of the user roaming place of storing in the database of oneself, and ownership MPC sends the position calculation request message to the PDE that selects, and has encapsulated the pilot measurement information of obtaining said target terminal in this message;
PDE home position computation requests response message is given service MPC, comprises GEOPOS position result parameter in the message;
MPC passes through the Location Request interface to LCS CLIENT restoring to normal position result.
Optional, when this method is received the Location Request of LCS CLIENT as MPC, further comprise:
MPC sends ISMAP Authpricereq message and goes up the authentication of chargeing to LCS CLIENT to ISMP; If positioning service is initiator's Client-initiated location; Whether ISMP inspection initiator user contracts is used positioning service; If positioning service is used the location of initiation for the third party, whether ISMP inspection CP and target terminal be signatory;
ISMP returns ISMAP Authpricersp to MPC;
After authentication is passed through; MPC carries out the privacy inspection to the user that is positioned; Inspection is initiated located subscriber or is used and whether have the right to obtain said target terminal position information, if inspection is passed through, MPC sends a Mobile Termination short message Location Request through special-purpose sms center to target terminal.
Optional; The said MPC of this method sends ISMAP Authpricereq message and goes up LCS CLIENT chargeed to ISMP and further comprise in the authentication process: MPC returns the position of renewal to LCSCLIENT; And check said target terminal ability; If target terminal is supported hi-Fix or endless ability information, the locate mode of the high position precision that adopts then that travelling carriage supports.
Optional; The said judgement of this method is not if the MSC that the application accuracy of LCS CLIENT request belongs to for positioning accuracy or user roaming place based on the MSCID level supports the PN4747 location to comprise: HLR obtains the application accuracy and the MSC align_type support information of LCS CLIENT request from MSC, carry out said judgement according to the information of obtaining.
Optional, the situation that the IS801 mode of the said hi-Fix of this method is failed does not comprise user plane CELL ID.
Optional, the said hi-Fix of this method is the gpsOne locate mode.
Based on above-mentioned purpose, the present invention also provides a kind of mobile positioning center MPC equipment based on said method, and this equipment comprises:
When receiving the Location Request of location services client LCS CLIENT, the judge module of the target terminal ability of inspection location;
If the judged result of judge module is supported hi-Fix or endless ability information for the target terminal of location, the locate mode location of the high position precision that then adopts that target terminal supports by first Executive Module;
If being the judged result of judge module, the judged result of judge module supports hi-Fix for the target terminal of location; When the IS801 mode that adopts hi-Fix is failed, then adopt user plane base station section address CELL ID mode to return user's locating information by second Executive Module;
The judged result of fruit judge module is that the target terminal of location is not supported hi-Fix, when the failure of hi-Fix location, then initiates the chain of command location again by the 3rd Executive Module, returns user's positioning service.
Optional; This equipment also comprises: timer, and MPC starts said timer after sending Mobile Termination short message Location Request to said target terminal; If up to timer expiry; MPC does not still receive the enable position process requested message that said target terminal sends, and hi-Fix is not supported, the hi-Fix failure in then said judge module judgement terminal.
Saidly can find out from top; The implementation method of increase position success rate provided by the invention and mobile positioning center equipment; Through on existing high accuracy gpsOne location, increasing the chain of command positioning function; And reinforcement MPC can be implemented in to increase in original standard positioning service flow process and locate fallback mechanism, with less cost the method for the selection of locate mode; Reach the business that improves non-hi-Fix success rate and user and use perceptibility, be beneficial to the business that operator promotes Location-Based Services.
The positioning service platform reaches the modification to the selection of locate mode through function upgrading; MPC (Mobile Postioning Center-mobile positioning center) in the mobile location service platform is had the ability according to the requirement of Location Request; Carry out based on user plane location or chain of command positioning action; To increase the position success rate of to positioning accuracy request not high and time response of less demanding Location Request, improve user's use perceptibility.
Description of drawings
Fig. 1 is gpsOne location failure in the present communication network, launches the schematic flow sheet of cell/sector locate mode;
Fig. 2 is the system configuration sketch map of the embodiment of the invention;
Fig. 3 is the operation flow sketch map of the embodiment of the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, to further explain of the present invention.
Consult system construction drawing shown in Figure 2, it has been described upgrading gpsOne locating platform and has supported the chain of command location, has omitted other network elements that have nothing to do with the present invention among the figure.Mainly comprise in this system construction drawing: LCS CLIENT (location services client), MS, the MPC that links to each other with Packet Data Network, PDE, WARN (WARN-WideArea Reference Network, wide area reference net), HLR (attaching position register), MSC, PDSN (group data service node).Wherein, navigation system comprises MPC, PDE and WARN; HLR, MSC, PDSN belong to CDMA 1X network; LCS CLIENT provides the client being responsible for sending Location Request and receiving positioning result of the SP of Location-Based Services, and Location Request can be divided into types such as rough grade and high accuracy.
Consult shown in Figure 3; Reinforcement MPC is to the selection of locate mode; When a Location Request was come, MPC returned the position of renewal and at first checks terminal capability, if gpsOne or endless ability information are supported in the terminal; The locate mode of the high position precision that adopts then that the target terminal of location supports; Target terminal is supported gpsOne's, fails when the IS801 (not comprising user plane CELL ID) of gpsOne mode, then adopts user plane CELL ID (base station section address) mode to return user's locating information; GpsOne's do not supported in the terminal, and during the failure of gpsOne location, MPC initiates the chain of command location again, returns user's positioning service.
Wherein, MPC is provided with the selection locate mode through " RESP_REQ " in the Location Request and " HOR_ACC ".Before MPC supports the chain of command location; Do not fill out or fill in as " RESP_REQ "/DELAY_TOL/LOW_DELAY, " HOR_ACC " do not fill out and (refer to the required precision arbitrary value; The time requirement arbitrary value) perhaps (refer to the required precision arbitrary value; Do not require on time immediately and obtain) time, the mode such as the background technology of localization process are said.After MPC supports the chain of command location; Increased selection to locate mode; Do not fill out or fill in as " RESP_REQ "/DELAY_TOL/LOW_DELAY, " HOR_ACC " do not fill out and (refer to the required precision arbitrary value; The time requirement arbitrary value) perhaps (refer to the required precision arbitrary value; Do not require on time immediately and to obtain) time support that the processing of target terminal of gpsOne is the same, to not supporting the target terminal of gpsOne, MPC can return back to the chain of command mode and target terminal positioned again after the failure of gpsOne location.Said target terminal can be that perhaps other have the terminal equipment of positioning function to MS.
Detailed process is exemplified below:
Step 301, LCS CLIENT (location services client) is through sending locating request message LocationRequest like Location Request interfaces such as L1/Le to MPC (mobile positioning center).
The ID that comprises CP sign LCS CLIENTID, inquiry promoter identification service quality PQoS, ORID and target MS in the message.
Step 302; MPC sends authenticating and charging request message ISMAP Authpricereq and goes up the authentication of chargeing to LCS CLIENT to ISMP; If positioning service is initiator's Client-initiated location; Whether ISMP inspection initiator user signatory uses positioning service, uses the location of initiation like positioning service for the third party, and whether ISMP inspection CP and target MS be signatory.
Step 303, ISMP returns ISMAP Authpricersp to MPC.
In this step; When ISMP returns authenticating and charging request response ISMAPAuthpricersp to MPC; ISMP also checks target MS ability, if target MS supports gpsOne or endless ability information, and the locate mode of the high position precision that adopts then that travelling carriage supports.
Step 304, after authentication was passed through, MPC carried out the privacy inspection to the user that is positioned, and inspection is initiated located subscriber or is used the positional information of whether having the right to obtain target MS.If inspection is passed through, MPC sends a Mobile Termination short message Location Request MT SMS Positioning Request through special-purpose sms center to target MS.MPC starts timer T3.
Step 305; If MPC has received the request message Start Positioning Process Request of the startup localization that MS sends; Then carry out the step of prior art, i.e. step 106 is if said target MS supports gpsOne's; Fail when the IS801 (not comprising user plane CELL ID) of gpsOne mode, then adopt user plane CELL ID mode to return user's locating information.If overtime up to timer T3, MPC does not still receive the Start Positioning Process Request message that target MS sends, and explains that this target MS does not support gpsOne; GpsOne locatees failure; Then execution in step 306, and MPC initiates the chain of command location again, returns user's positioning service.
Step 306, the MPC destination address request message SMSREQ that sends SMS message gives MS user's ownership HLR.This message is used for the address of the service MSC of request target MS user roaming place.
Step 307, HLR judges the current activated state that is in of target MS, HLR returns short message destination address response message smsreq and gives ownership MPC.Ownership MPC obtains the service MSC address of target MS user roaming place.HLR obtains the application accuracy and the MSC align_type support information of LCS CLIENT request from MSC; And judge if the application accuracy of LCS CLIENT request is not supported the PN4747 location for the MSC that positioning accuracy or user roaming place based on the MSCID level belong to; Then the direct Query Database of MPC obtains the position of this service MSC regional center (RC) point; To LCS CLIENT restoring to normal position result, flow process finishes MPC through the L1/Le interface; Otherwise, execution in step 308.
Step 308, ownership MPC sends MS location request message ISPOSREQ and gives service MSC, and this message is in order to obtain the current radio environment information of target MS.
Step 309, service MSC returns MS position request response message Isposreq and gives service MPC, has encapsulated the pilot measurement information of obtaining said MS in this message.
Step 310, ownership MPC selects suitable substance P DE according to the PDE information of the user roaming place of storing in the database of oneself, and ownership MPC sends position calculation request message GPOSREQ to the PDE that selects.Encapsulated the pilot measurement information of obtaining said target MS in this message.
Step 311, PDE home position computation requests response message Gposreq gives service MPC, comprises GEOPOS position result parameter in the message.
Step 312, service MPC passes through the L1/Le interface to LCS CLIENT restoring to normal position result.
In addition, a kind of mobile positioning center equipment also is provided based on said method the present invention, when receiving the Location Request of location services client LCS CLIENT, the judge module of the target terminal ability of inspection location;
If the judged result of judge module is supported gpsOne or endless ability information for the target terminal of location, the locate mode location of the high position precision that then adopts that target terminal supports by first Executive Module;
Support gpsOne if the judged result of judge module is the judged result of judge module for the target terminal of location,, then adopt user plane CELL ID mode to return user's locating information by second Executive Module when the IS801 of gpsOne mode is failed;
Do not support gpsOne if the judged result of judge module is the target terminal of location, when the failure of gpsOne location, then initiate the chain of command location again, return user's positioning service by the 3rd Executive Module.
For realizing above-mentioned judgement; In this MPC, also be provided with timer, MPC starts said timer after sending Mobile Termination short message Location Request to said target terminal; If up to timer expiry; MPC does not still receive the enable position process requested message that said target terminal sends, and gpsOne is not supported at then said judge module judgement terminal, and gpsone locatees failure.
Above-described specific embodiment is merely specific embodiment of the present invention, is not limited to the present invention, and is all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. an implementation method that increases position success rate is characterized in that, comprising:
When mobile positioning center MPC receives the Location Request of location services client LCS CLIENT; The target terminal ability of MPC inspection location; If the target terminal of location is supported gpsOne or endless ability information, the locate mode of the high position precision that adopts then that target terminal supports;
If the target terminal of location is supported hi-Fix, when the IS801 mode that adopts hi-Fix was failed, then MPC adopted user plane base station section address CELL ID mode to return user's locating information;
If the target terminal of location is not supported hi-Fix, when hi-Fix was failed, MPC initiated the chain of command location again; Return user's positioning service, wherein, MPC sends Mobile Termination short message Location Request to said target terminal; And the startup timer, if up to timer expiry, MPC does not still receive the enable position process requested message that said target terminal sends; Judge that then the terminal do not support hi-Fix, the hi-Fix failure.
2. method according to claim 1 is characterized in that, said MPC initiates the chain of command location again, and the process of returning user's positioning service further comprises:
The MPC destination address request message that sends SMS message is given the attaching position register HLR of said destination end user;
HLR judges the current activated state that is in of said target terminal, and HLR returns short message destination address response message and gives ownership MPC;
Ownership MPC obtains the service MSC address of said destination end user roaming place; And judge if the application accuracy of LCS CLIENT request is not supported the PN4747 location for the MSC that positioning accuracy or user roaming place based on mobile switch address MSCID level belong to; Then the direct Query Database of MPC obtains the position of this service MSC regional center (RC) point; To LCS CLIENT restoring to normal position result, flow process finishes MPC through the Location Request interface; Otherwise, get into next step;
Ownership MPC sends the target terminal location request message and gives service MSC;
Service MSC returns target terminal position request response message and gives service MPC, has encapsulated the pilot measurement information of obtaining said target terminal in this message;
Ownership MPC selects suitable substance P DE according to the PDE information of the user roaming place of storing in the database of oneself, and ownership MPC sends the position calculation request message to the PDE that selects, and has encapsulated the pilot measurement information of obtaining said target terminal in this message;
PDE home position computation requests response message is given service MPC, comprises GEOPOS position result parameter in the message;
MPC passes through the Location Request interface to LCS CLIENT restoring to normal position result.
3. method according to claim 2 is characterized in that, when MPC receives the Location Request of LCSCLIENT, further comprises:
MPC sends ISMAP Authpricereq message and goes up the authentication of chargeing to LCS CLIENT to ISMP; If positioning service is initiator's Client-initiated location; Whether ISMP inspection initiator user contracts is used positioning service; If positioning service is used the location of initiation for the third party, whether ISMP inspection CP and target terminal be signatory;
ISMP returns ISMAP Authpricersp to MPC;
After authentication is passed through; MPC carries out the privacy inspection to the user that is positioned; Inspection is initiated located subscriber or is used and whether have the right to obtain said target terminal position information, if inspection is passed through, MPC sends a Mobile Termination short message Location Request through special-purpose sms center to target terminal.
4. method according to claim 3; It is characterized in that; Said MPC sends ISMAP Authpricereq message and goes up LCS CLIENT chargeed to ISMP and further comprise in the authentication process: MPC returns the position of renewal to LCS CLIENT; And check said target terminal ability, and if target terminal is supported hi-Fix or endless ability information, the locate mode of the high position precision that adopts then that travelling carriage supports.
5. method according to claim 2; It is characterized in that; Said judgement is not if the MSC that the application accuracy of LCSCLIENT request belongs to for positioning accuracy or user roaming place based on the MSCID level supports the PN4747 location to comprise: HLR obtains the application accuracy and the MSC align_type support information of LCSCLIENT request from MSC, carry out said judgement according to the information of obtaining.
6. method according to claim 1 is characterized in that, in the situation that the IS801 of said hi-Fix mode is failed, said IS801 does not comprise user plane base station section address CELL ID.
7. method according to claim 1 is characterized in that, said hi-Fix is the gpsOne locate mode.
8. mobile positioning center MPC equipment based on any said method of claim 1-7 is characterized in that this equipment comprises:
When receiving the Location Request of location services client LCS CLIENT, the judge module of the target terminal ability of inspection location;
If the judged result of judge module is supported hi-Fix or endless ability information for the target terminal of location, the locate mode location of the high position precision that then adopts that target terminal supports by first Executive Module;
If the judged result of judge module is supported hi-Fix for the target terminal of location, when the IS801 mode that adopts hi-Fix is failed, then adopt user plane base station section address CELL ID mode to return user's locating information by second Executive Module;
If the judged result of judge module is not supported hi-Fix for the target terminal of location, when hi-Fix is failed, then initiate the chain of command location again by the 3rd Executive Module, return user's positioning service;
Timer; MPC is after sending Mobile Termination short message Location Request to said target terminal; Start said timer, if up to timer expiry, MPC does not still receive the enable position process requested message that said target terminal sends; Hi-Fix is not supported, the hi-Fix failure in then said judge module judgement terminal.
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CN102413419B (en) * 2010-09-26 2015-07-15 中国电信股份有限公司 Third party positioning method, and platform and system for the same
CN102695271B (en) * 2011-03-25 2015-10-07 中国电信股份有限公司 Third party positioning method and system
CN102843767A (en) * 2011-06-24 2012-12-26 中兴通讯股份有限公司 Parallel hybrid locating method and device
CN103118350B (en) * 2011-11-16 2016-08-31 中国电信股份有限公司 Mobile phone application is carried out the method for charging authentication, system and mobile phone terminal
CN104142507B (en) * 2013-05-10 2017-02-08 中国电信股份有限公司 GpsOne indoor positioning circular error probable obtaining method and device
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