Technical background
Portable terminal in the wireless communication system is positioned and provides different positioning services according to its positional information is a kind of newer value-added service, for example the cellphone subscriber can be known own residing accurate position at present easily by the mobile phone positioning service, and the information in various places such as nearby stores, gymnasium, bank etc.
In order effectively and accurately portable terminal to be positioned to obtain the positional information of different positioning accuracies, people have invented many location technologies.For these location technologies,, can be divided into three kinds: based on the location technology of CELLID, based on the location technology of air interface parameters with based on the location technology of GPS according to their positioning principle.
Location technology based on CELLID is exactly to utilize the positional information of portable terminal base station of living in (being system banner (SID), network identity (NID) and Base Station Identification (BASE_ID) etc.) to calculate the positional information of portable terminal.In existing cordless communication network, portable terminal can utilize existing functional module easily to obtain the positional information of base station of living in, therefore use the navigation system of this location technology not need the portable terminal and the network equipment are made HardwareUpgring, but this location technology positioning accuracy is not high.
Utilize network parameters such as one-way delay (CDMAONEWAYDELAY), pilot phase deviation and pilot frequency intensity estimation to calculate the positional information of portable terminal exactly based on the location technology of air interface parameters.Described network parameter can utilize the existing function of portable terminal and base station to obtain, but increases new entity according to the positional information needs of these network parameters calculating portable terminals at communication system network, and promptly position determining entity (PDE) waits and realizes.It mainly is to transmit by the IS-801 agreement by portable terminal that position determining entity (PDE) obtains these network parameters, therefore the location technology based on air interface parameters requires portable terminal to support the IS-801 agreement, makes it carry out the IS-801 session to transmit these network parameters with position determining entity.
The locating information of utilizing portable terminal to receive from gps satellite based on the location technology of GPS is calculated the positional information of portable terminal.In order to calculate the positional information of portable terminal according to the locating information that receives from gps satellite, also need increase new entity, i.e. position determining entity (PDE) etc. at communication system network.Position determining entity (PDE) also requires portable terminal to support the IS-801 agreement in order to obtain the locating information that it receives from gps satellite from portable terminal.
Owing to use based on the location technology of air interface parameters with based on the location technology of GPS and need increase the positional information that new entity calculates portable terminal at communication system network, so add the different modes of existing cdma network according to newly-increased entity, the navigation system that is applied in existing cdma network has two kinds: based on the navigation system of PN4747 with based on the navigation system of TCP/IP.
Fig. 1 is based on the navigation system functional-block diagram of PN4747 international standard.As shown in the figure, this system mainly comprises: portable terminal (MS) 1, base station (BTS) 3, base station controller (BSC) 5, mobile switching centre (MSC) 7, attaching position register (HLR) 9, position determining entity (PDE) 11, mobile positioning center (MPC) 13 and positioning service applications client (LCS Client) 15.
In this navigation system, when portable terminal 1 seeks out positioning service, send request for location services message to positioning service applications client 15.After receiving the request for location services message of portable terminal 1, positioning service applications client 15 is to the positional information of mobile positioning center 13 request portable terminals 1.After receiving the request of positioning service applications client 15, mobile positioning center 13 at first carries out authorization identifying to portable terminal 1 and positioning service applications client 15 and handles to guarantee that they all are positioning service authorized user (the positioning service authorized user are the users who allows to use the positioning service that navigation system provides), indicate position determining entity 11 to calculate the positional information of portable terminals 1 then according to being kept at user profile in the attaching position register 9.After receiving the indication of mobile positioning center 13, position determining entity 11 obtains the information that is used to calculate portable terminal 1 position via mobile switching centre 7, base station controller 5 and base station 3, send to mobile positioning center 13 then according to the positional information of the information calculations portable terminal 1 that obtains, and this positional information.After receiving the positional information of the portable terminal 1 that position determining entity 11 sends, mobile positioning center 13 sends to positioning service applications client 15 to this positional information.After receiving the positional information of the portable terminal 1 that mobile positioning center 13 sends, 15 pairs of these positional informations of positioning service applications client are handled to provide corresponding positioning service to portable terminal 1.
In navigation system, calculate the positional information of portable terminal by newly-increased position determining entity (PDE) and mobile positioning center (MPC) in existing C DMA network based on PN4747.The function that newly-increased entity can make full use of the entity of existing cdma network to be provided is finished positioning action and the processing such as authorization identifying, charging and mobile management relevant with positioning action, but need be to some entities in the existing cdma network, as mobile switching centre, attaching position register etc., carry out the entity of corresponding modification to support to increase newly.
Fig. 2 is a kind of block diagram that is called the navigation system of GPSOne based on TCP/IP.As shown in the figure, this system mainly comprises: portable terminal 1, base station controller (BSC) 5, mobile switching centre (MSC) 7, intercommunication function unit (IWF) 17, group data service node (PDSN) 19, short message service center (MC) 27, sensor interface are used (SIA) 21, position determining entity (PDE) 23, base station year calendar (BSA) 29, wide area grid of reference (WARN) 25, wide area grid of reference keeper (WM) 31 and positioning service and are used (APP) 33.
In the GPSOne navigation system, when portable terminal 1 is wanted to obtain the business service relevant with its position, use (APP) 33 request positioning services to positioning service by intercommunication function unit (IWF) 17, group data service node (PDSN) 19 or (MC) 27 of short message service center.After receiving the request for location services of portable terminal 1, positioning service is used (APP) 33 to portable terminal 1 its positional information of request.After receiving the location information request of positioning service application (APP) 33, portable terminal 1 sends to sensor interface to the information that is used to calculate its position via intercommunication function unit (IWF) 17, group data service node (PDSN) 19 or short message service center (MC) 27 and uses (SIA) 21.After being used to of receiving that portable terminal 1 sends calculated the information of its position, sensor interface was used (SIA) 21 this information is sent to position determining entity 23.Receive be used to calculate the information of portable terminal 1 position after, the positional information of supplementary that position determining entity 23 is preserved according to this information and base station year calendar (BSA) 29 or the gps satellite assist location information calculations portable terminal 1 that obtains from wide area grid of reference (WARN) 25 via wide area grid of reference keeper (WM) 31, and this positional information returned to portable terminal 1.After portable terminal 1 receives its positional information, send to positioning service and use (APP) 33.Positioning service is used (APP) 33 pairs of positional informations that obtain and is handled to provide corresponding information on services to portable terminal 1.
In GPSOne navigation system, calculate the positional information of portable terminal by the entity (as wide area grid of reference (WARN), wide area grid of reference keeper (WM) and base station year calendar (BSA) etc.) of using (SIA) and assist location at the newly-increased position determining entity (PDE) of existing C DMA network, sensor interface based on TCP/IP.Because this GPSOne navigation system is a transport vehicle with the IP packet, insert existing cdma network by IWF or PDSN, information interaction between realization position determining entity and sensor interface application and the portable terminal is to finish positioning action, therefore this GPSOne navigation system is less to the change of existing cdma network, need not increase new interface and function in existing network.But the function that this GPSOne navigation system can not utilize the entity of existing cdma network to provide is carried out the authorization identifying processing to the user who participates in positioning action, therefore can not prevent that illegal user from entering system.
This GPSOne navigation system is only supported the request for location services that portable terminal is initiated, not the request for location services of network enabled side third party inquiry initiation.And only support based on the location technology of air interface parameters with based on the location technology of GPS, do not support to obtain the technology of location information of mobile terminal based on the location technology of CELLID and other.For the convenience of narrating, in the lower part of this paper all calling the GPSOne location technology, correspondingly supporting to be called portable terminal with GPSOne stationkeeping ability based on the air interface parameters location technology with based on the portable terminal of GPS location technology based on the location technology of air interface parameters with based on the location technology of GPS.
From the above, advantage based on the navigation system of PN4747 is to utilize mobile positioning center to provide the user to participating in positioning action to carry out authorization identifying, and be to use the carrier of IP packet as transfer of data based on the advantage of the navigation system of TCP/IP, reduce change to the existing communication system.In order to fully utilize the advantage of these two navigation systems, the invention provides a kind of navigation system with mobile positioning center based on TCP/IP.
Summary of the invention
The purpose of this invention is to provide a kind of navigation system based on TCP/IP.This navigation system is carried out the authorization identifying processing by mobile positioning center to the user who participates in positioning action, improves the fail safe based on the navigation system of TCP/IP.
Another object of the present invention provides a kind of navigation system based on TCP/IP.This navigation system supports the GPSOne location technology simultaneously, based on location technology and other technology of obtaining location information of mobile terminal of CELLID, the system that makes supports the technology of multiple different calculating location information of mobile terminal.
Of the present invention also have a purpose to provide a kind of navigation system based on TCP/IP.This navigation system is supported the request for location services of portable terminal initiation and the request for location services that network side third party inquiry initiates, and the positioning service scope of comparison broadness is provided.
In order to realize purpose of the present invention, the localization method according to a kind of mobile positioning center by network system that is used for wireless communication system of the present invention is carried out comprises step:
(a) position requests of the positional information of a portable terminal of the request that comprises positioning accuracy request of receiving position information requestor transmission;
(b) described location information request person and the described portable terminal that participates in positioning action carried out authorization identifying;
(c) if authorization identifying success, the stationkeeping ability that positioning accuracy request that comprises according to described position requests and known described portable terminal have uses corresponding method to obtain the positional information of this portable terminal.
In order to realize purpose of the present invention,, comprise step according to a kind of localization method that is used for wireless communication system of the present invention by the portable terminal execution:
Receive notice of requirement initiation that the mobile positioning center in the network system sends to the IS-801 session of position determining entity;
Initiate an IS-801 session to described position determining entity;
Send the information that is used to calculate self-position that the GPSOne location technology is used by this IS-801 session to described position determining entity.
In order to realize purpose of the present invention, the localization method according to a kind of customer data base by network system that is used for wireless communication system of the present invention is carried out comprises step:
(1) user to participating in positioning action who receives the mobile positioning center transmission in the network system carries out the request of authorization identifying;
(2) according to this authorization identifying request the user of described participation positioning action is carried out authorization identifying;
(3) to described mobile positioning center return authorization authentication result.
In order to realize purpose of the present invention,, comprise step according to a kind of localization method that is used for wireless communication system of the present invention by the position determining entity execution:
(a) receive the notice of calculating the positional information of portable terminal from the use GPSOne location technology of mobile positioning center;
(b) obtain the information that is used to calculate described mobile terminal locations from described portable terminal, and use the GPSOne location technology to calculate the positional information of described portable terminal according to this information;
(c) send the positional information of the described portable terminal that calculates to described mobile positioning center.
In order to realize purpose of the present invention,, comprising according to a kind of mobile positioning center that is positioned at network system that is used for wireless communication system of the present invention:
The position requests receiving element is used for the position requests of the positional information of the portable terminal of the request that comprises positioning accuracy request that the receiving position information requestor sends;
The authorization identifying unit is used for the described location information request person and the described portable terminal that participate in positioning action are carried out authorization identifying;
Location information acquiring unit was used for when authorization identifying when success, and the stationkeeping ability that positioning accuracy request that comprises according to described position requests and known described portable terminal have uses corresponding method to obtain the positional information of this portable terminal.
In order to realize purpose of the present invention,, comprising according to a kind of portable terminal that is used for wireless communication system of the present invention:
The notice receiving element is used for receiving the requirement that the mobile positioning center of network system sends and initiates a notice to the IS-801 session of position determining entity;
The unit is initiated in session, is used to initiate an IS-801 session to described position determining entity;
The transmitting element of the information of calculating location is used for sending the information that is used to calculate self-position that the GPSOne location technology is used by this IS-801 session to described position determining entity.
In order to realize purpose of the present invention,, comprising according to a kind of customer data base that is positioned at network system that is used for wireless communication system of the present invention:
Authorization identifying request receiving element is used for receiving the user to participating in positioning action that the mobile positioning center of network system sends and carries out the request of authorization identifying;
The authorization identifying unit is used for according to this authorization identifying request the user of described participation positioning action being carried out authorization identifying;
Authorization identifying is transmitting element as a result, is used for to described mobile positioning center return authorization authentication result.
In order to realize purpose of the present invention,, comprising according to a kind of position determining entity that is used for wireless communication system of the present invention:
The notice receiving element is used to receive the notice of calculating the positional information of portable terminal from the use GPSOne location technology of mobile positioning center;
The positional information calculation unit is used for obtaining the information that is used to calculate described mobile terminal locations from described portable terminal, and uses the GPSOne location technology to calculate the positional information of described portable terminal according to this information;
Position information sending unit is used for sending to described mobile positioning center the positional information of the described portable terminal that calculates.
Detailed Description Of The Invention
Below in conjunction with accompanying drawing, be example with the cdma communication system, describe the navigation system based on TCP/IP of the present invention in detail.
Fig. 3 is the block diagram of the navigation system based on TCP/IP of the present invention.As shown in the figure, navigation system of the present invention mainly comprises: portable terminal (MS) 100, group data service node/intercommunication function unit (PDSN/IWF) 110, short message module 140, mobile positioning center (MPC) 150, position determining entity (PDE) 160, positioning service applications client (LCS Client) 170, customer data base 180 and network side third party inquiry 190.
In this navigation system, portable terminal (MS) 100 can send position requests to ask its positional information to mobile positioning center (MPC) 150 by its resident applications, perhaps can send service request with the request positioning service relevant with its positional information to positioning service applications client (LCS Client) 170.Network side third party inquiry 190 can send service request with the positional information relevant positioning service of request with portable terminal (MS) 100 to positioning service applications client (LCS Client) 170.After receiving portable terminal (MS) 100 or network side third party inquiry's 190 request for location services, positioning service applications client (LCS Client) 170 sends the positional information of position requests with request portable terminal (MS) 100 to mobile positioning center (MPC) 150.After receiving the position requests of portable terminal (MS) 100 or positioning service applications client (LCS Client) 170, mobile positioning center (MPC) 150 at first carries out authorization identifying by the users that 180 pairs of customer data bases participate in positioning action, checks that promptly whether portable terminal (MS) 100 and positioning service applications client (LCSClient) 170 be positioning service authorized user and positioning service applications client (LCSClient) 170 positional information of whether having the right to obtain portable terminal (MS) 100 etc.If authorization identifying success, the stationkeeping ability that mobile positioning center (MPC) 150 has according to the positioning accuracy request in the position requests and portable terminal 100, (I) or indication position determining entity (PDE) 160 (short message module can be realized separately via group data service node/intercommunication function unit (PDSN/IWF) 110 or short message module 140, also can realize in short message service center) from portable terminal 100, obtain the information that is used to calculate its position, then according to the positional information that is used to calculate the information use GPSOne location technology of its position or calculates portable terminal (MS) 100 based on the location technology of CELLID; (II) or use not method by position determining entity (PDE) 160 (such as based on the method for Subscriber Identity Module (UIM) etc.) directly to obtain the positional information of portable terminal (MS) 100; (III) or use the positional information of the portable terminal (MS) 100 of its buffer memory, then the positional information of obtaining is returned to portable terminal (MS) 100 or positioning service applications client (LCS Client) 170.After receiving the positional information that mobile positioning center (MPC) 150 returns, 170 pairs of these positional informations of positioning service applications client (LCS Client) are handled the positioning service of its request is provided for portable terminal (MS) 100 or network side third party inquiry 190.
In navigation system of the present invention, positioning service applications client (LCS Client) the 170th, location information request person is when portable terminal (MS) 100 also is location information request person by resident applications when mobile positioning center (MPC) 150 is asked its positional informations.And mobile positioning center (MPC) the 150th, positional information supplier.
Localization method when navigation system network enabled side third party inquiry of the present invention 190 initiates request for location services, portable terminal 100 be by the wireless application protocol (wap) browser, initiates the localization method of request for location services and portable terminal 100 by the localization method of resident applications (such as based on the program of vedio on radio binary operation environment (BREW) or JAVA program etc.) when initiating request for location services.
Below in conjunction with accompanying drawing 3,4a and 4b, the localization method when portable terminal 100 is initiated request for location services by the WAP browser is described in detail:
At first, portable terminal 100 sends request for location services with the request positioning service (step S10) relevant with its positional information by the WAP browser to positioning service applications client 170.After receiving the request for location services of portable terminal 100, positioning service applications client 170 comprises the positional information (step S20) of the Location Request of positioning accuracy request with request portable terminal 100 to mobile positioning center 150 transmissions, inquires to require it whether its user agrees to position operation (step S30) to portable terminal 100 restoring to normal position service request response then.Portable terminal 100 ejects dialog box and inquires whether its user agrees it is positioned operation after receiving the request for location services response of positioning service applications client 170 transmissions.If the user agrees it is positioned operation, portable terminal 100 sends the request of a beginning localization process via group data service node/intercommunication function unit (PDSN/IWF) 110 to mobile positioning center 150 and agrees positioning action to inform mobile positioning center 150 users, and wherein this beginning localization process request comprises the positional information of portable terminal 100 base stations of living in; If the user disagrees with it is positioned operation, portable terminal 100 sends the request of a beginning localization process via group data service node/intercommunication function unit (PDSN/IWF) 110 to mobile positioning center 150 and refuses positioning action (step S40) to inform mobile positioning center 150 users.
After receiving the Location Request of positioning service applications client 170, mobile positioning center 150 request 180 pairs of portable terminals 100 of customer data base and positioning service applications client 170 are carried out authorization identifying.After customer data base 180 is received the authorization identifying request of mobile positioning center 150, check that portable terminal 100 and positioning service applications client 170 are the positional information whether positioning service authorized user and positioning service applications client 170 have the right to obtain portable terminal 100, and check result is returned to mobile positioning center 150 as the authorization identifying result.Whether successfully the authorization identifying result that 150 pairs of mobile positioning centers are received checks to determine authorization identifying (step S50):
If 1 authorization identifying failure, be that portable terminal 100 or positioning service applications client 170 are not the positioning service authorized users, perhaps positioning service applications client 170 haves no right to obtain the positional information of portable terminal 100, mobile positioning center 150 returns the response of beginning localization process to notify its authorization identifying failure (step S60) via group data service node/intercommunication function unit (PDSN/IWF) 110 to portable terminal 100 after the beginning localization process request of receiving portable terminal 100.Then, mobile positioning center 150 responds to inform its authorization identifying failure (step S70) to positioning service applications client 170 restorings to normal position.When positioning service applications client 170 receives that once more portable terminal 100 passes through the request for location services of WAP browser transmission, fail (step S80) to notify its authorization identifying to portable terminal 100 restoring to normal position service request response by the WAP browser, finish positioning action.
If 2 authorization identifyings success, be that portable terminal 100 and positioning service applications client 170 all are the positional informations that positioning service authorized user and positioning service applications client 170 have the right to obtain portable terminal 100, mobile positioning center 150 is checked the beginning localization process request (step S90) of receiving from portable terminal 100:
(A) if this beginning localization process request shows that the user of portable terminal 100 refuses positioning action, mobile positioning center 150 returns the response of beginning localization process to inform that its user refuses positioning action (step S100) via group data service node/intercommunication function unit (PDSN/IWF) 110 to portable terminal 100.Then, mobile positioning center 150 is located failure (step S110) to the response of positioning service applications client 170 restorings to normal position to inform it.When positioning service applications client 170 receives that once more portable terminal 100 passes through the request for location services of WAP browser transmission, fail (step S120) to notify its location to portable terminal 100 restoring to normal position service request response by the WAP browser, finish positioning action.
(B) if this beginning localization process request shows that the user of portable terminal 100 agrees positioning action, the positioning accuracy request (step S130) of the position requests that stationkeeping ability that mobile positioning center 150 inspection portable terminals 100 have and positioning service applications client 170 send:
(1) if portable terminal 100 has the positioning accuracy request that GPSOne stationkeeping ability and GPSOne location technology satisfy position requests, mobile positioning center 150 sends the geographical position request to position determining entity 160 and uses the GPSOne location technology to calculate the positional information of portable terminal 100 to notify it, and wherein this geographical position request comprises the positional information (step S140) of portable terminal 100 base stations of living in.Then, mobile positioning center 150 returns beginning localization process response via group data service node/intercommunication function unit (PDSN/IWF) 110 to portable terminal 100 and initiates an IS-801 session to position determining entity 160 with notice portable terminal 100, and wherein portable terminal 100 sends to position determining entity 160 (step S150) to the information that is used to calculate its position of GPSOne location technology use in this IS-801 session.After portable terminal 100 is received the beginning localization process response of mobile positioning center 150, initiate the information that is used to calculate portable terminal 100 positions of IS-801 session to use to position determining entity 160 transmission GPSOne location technologies to position determining entity 160.If position determining entity 160 is received the information that is used to calculate portable terminal 100 positions by this IS-801 session, position determining entity 160 uses the GPSOne location technology to calculate the positional information (step S160) of portable terminal 100 according to the information of receiving and returns to mobile positioning center 150 (step S170) by the geographical position request.Mobile positioning center 150 receptions and buffer memory position determining entity 160 return to positioning service applications client 170 (step S180) to this positional information by location response then by the positional information of the portable terminal 100 of geographical position request transmission.170 pairs of positioning service applications client are handled from the positional information of the portable terminal 100 that mobile positioning center 150 is received, when receiving that once more portable terminal 100 passes through the request for location services of WAP browser transmission, return its requested service information (step S190) for portable terminal 100 then by the WAP browser.If position determining entity 160 can not be received the information that is used to calculate portable terminal 100 positions by this IS-801 session, but the location technology that is based on CELLID can satisfy the positioning accuracy request of position requests, position determining entity 160 uses the positional information (step S220) of calculating portable terminal 100 based on the location technology of CELLID according to the positional information from portable terminal 100 base stations of living in that the geographical position request that mobile positioning center 150 is received comprises, and returns to mobile positioning center 150 (step S170) by the geographical position request.Mobile positioning center 150 receptions and buffer memory position determining entity 160 return to positioning service applications client 170 (step S180) to this positional information by location response then by the positional information of the portable terminal 100 of geographical position request transmission.170 pairs of positioning service applications client are handled from the positional information of the portable terminal 100 that mobile positioning center 150 is received, when receiving that once more portable terminal 100 passes through the request for location services of WAP browser transmission, return its requested service information (step S190) to portable terminal 100 then by the WAP browser.
(2) if can satisfy the positioning accuracy request of position requests based on the location technology of CELLID, mobile positioning center 150 sends the geographical position request to position determining entity 160 and uses the positional information of calculating portable terminal 100 based on the location technology of CELLID to notify it, and wherein this geographical position request comprises the positional information (step S200) of these portable terminal 100 base stations of living in.Then, mobile positioning center 150 returns the response of beginning localization process to notify this portable terminal 100 need not initiate IS-801 session (step S210) via group data service node/intercommunication function unit (PDSN/IWF) 110 to this portable terminal 100.After position determining entity 160 is received the geographical position request of mobile positioning center 150 transmissions, the positional information of portable terminal 100 base stations of living in that comprise according to this geographical position request is used the positional information (step S220) of calculating portable terminal 100 based on the location technology of CELLID, and returns to mobile positioning center 150 (step S170) by the geographical position request.Mobile positioning center 150 receptions and buffer memory position determining entity 160 return to positioning service applications client 170 (step S180) to this positional information by location response then by the positional information of the portable terminal 100 of geographical position request transmission.170 pairs of positioning service applications client are handled from the positional information of the portable terminal 100 that mobile positioning center 150 is received, when receiving that once more portable terminal 100 passes through the request for location services of WAP browser transmission, return its requested service information (step S190) for this portable terminal 100 then by the WAP browser.
(3) if mobile positioning center 150 uses not the positional information of the portable terminal 100 that obtains by the method for position determining entity 160 to satisfy the positioning accuracy request of position requests, mobile positioning center 150 does not use and obtains the also positional information (step S230) of buffer memory portable terminal 100 by the method for position determining entity 160, by location response this positional information is returned to positioning service applications client 170 (step S180) then.170 pairs of positioning service applications client are handled from the positional information of the portable terminal 100 that mobile positioning center 150 is received, when receiving that once more portable terminal 100 passes through the request for location services of WAP browser transmission, return its requested service information (step S190) for portable terminal 100 then by the WAP browser.
(4) if the positional information of the portable terminal 100 of mobile positioning center 150 buffer memorys satisfies the positioning accuracy request (step S240) of position requests, mobile positioning center 150 returns to positioning service applications client 170 (step S180) to the positional information of the portable terminal 100 of buffer memory.170 pairs of positioning service applications client are handled from the positional information of the portable terminal 100 that mobile positioning center 150 is received, when receiving that once more portable terminal 100 passes through the request for location services of WAP browser transmission, return its requested service information (step S190) for portable terminal 100 then by the WAP browser.
(5) if the positional information that the stationkeeping ability that has according to portable terminal 100 obtains can not satisfy the positioning accuracy request (step S250) of position requests, mobile positioning center 150 returns the response of beginning localization process to notify its location failure (step S260) via group data service node/intercommunication function unit (PDSN/IWF) 110 to portable terminal 100.Then, mobile positioning center 150 is located failure (step S280) to the response of positioning service applications client 170 restorings to normal position to notify it.When positioning service applications client 170 receives that once more portable terminal 100 passes through the request for location services of WAP browser transmission, locate failure (step S290) to portable terminal 100 restoring to normal position service request response to notify it by the WAP browser.
Below in conjunction with accompanying drawing 3 and 5, the localization method when portable terminal 100 is initiated request for location services by resident applications is described in detail:
Portable terminal 100 ejects dialog box and inquires whether its user agrees it is positioned operation.If the user agrees it is positioned operation, this portable terminal 100 sends beginning localization process request to ask its positional information via group data service node/intercommunication function unit (PDSN/IWF) 110 to mobile positioning center 150 by resident applications, comprises positioning accuracy request and the information of using based on the location technology of CELLID that is used to calculate portable terminal 100 positions (step P10) in this request.After receiving the beginning localization process request from portable terminal 100, mobile positioning center 150 request 180 pairs of portable terminals 100 of customer data base and resident applications thereof carry out authorization identifying.After receiving the authorization identifying request of mobile positioning center 150, customer data base 180 checks that portable terminal 100 and resident applications thereof are the positioning service authorized user, and check result is returned to mobile positioning center 150 as the authorization identifying result.Whether successfully the authorization identifying result that 150 pairs of mobile positioning centers are received checks to determine authorization identifying (step P20).If authorization identifying failure, that is: portable terminal 100 or its resident applications are not the positioning service authorized users, mobile positioning center 150 returns the response of beginning localization process to notify its authorization identifying failure (step P30) to this portable terminal 100, finishes positioning flow.If the authorization identifying success, that is: portable terminal 100 and resident applications thereof all are the positioning service authorized users, and mobile positioning center 150 is checked stationkeeping ability that this portable terminal 100 has and the positioning accuracy request (step P40) that begins the localization process request:
(1) if check that discovery portable terminal 100 has the GPSOne stationkeeping ability and the GPSOne location technology can satisfy the positioning accuracy request that begins the localization process request, mobile positioning center 150 sends the geographical position requests to position determining entity 160 and uses the GPSOne location technology to calculate the positional information (step P50) of portable terminal 100 to notify it.Then, mobile positioning center 150 sends the response of beginning localization process via group data service node/intercommunication function unit (PDSN/IWF) 110 to portable terminal 100 and sends to position determining entity 160 (step P60) to notify it to initiate the IS-801 session with the information that is used to calculate its position the use of GPSOne location technology.Portable terminal 100 receives from after the response of the beginning localization process of mobile positioning center 150, initiates an IS-801 session to position determining entity 160 with the information that is used to calculate portable terminal 100 positions (step P70) to these position determining entity 160 transmission GPSOne location technologies uses.Position determining entity 160 by this IS-801 session receive be used to calculate the information of these portable terminal 100 positions after, use the GPSOne location technology to calculate the positional information (step P80) of portable terminal 100 and a positional information that calculates returned to portable terminal 100 (step P90) by this IS-801 session according to this information.Position determining entity 160 sends the positional information (step P100) of portable terminal 100 to mobile positioning center 150 by the geographical position request.Mobile positioning center 150 receives and preserves the positional information (step P110) from the portable terminal 100 of position determining entity 150.
(2) if check the positioning accuracy request of finding to satisfy the request of beginning localization process based on the location technology of CELLID, mobile positioning center 150 sends the geographical position request to position determining entity 160 and uses the positional information of calculating this portable terminal 100 based on the location technology of CELLID to notify it, wherein this geographical position request comprises the information of using based on the location technology of CELLID that is used to calculate portable terminal 100 positions, the i.e. positional information (step P120) of these portable terminal 100 base stations of living in.After position determining entity 160 is received the geographical position request of mobile positioning center 150, calculate the information of portable terminal 100 positions according to this geographical position request being used to of comprising and use the positional information (step P130) of calculating portable terminal 100 based on the location technology of CELLID, and a positional information that calculates is sent to mobile positioning center 150 (step P140) by the geographical position request.Mobile positioning center 150 receives and preserves the positional information from the portable terminal 100 of this position determining entity, sends its positional information (step P150) via group data service node/intercommunication function unit (PDSN/IWF) 110 to portable terminal 100 then.
(3) satisfy the positioning accuracy request of beginning localization process request if check the positional information of the portable terminal 100 of finding mobile positioning center 150 storages, mobile positioning center 150 returns to this portable terminal 100 (step P160) to the positional information of this portable terminal 100 of storage.
(4) if the positional information that the stationkeeping ability that the inspection discovery has according to portable terminal 100 obtains can not satisfy the positioning accuracy request of beginning localization process request, mobile positioning center 150 returns the response of beginning localization process to portable terminal 100 and locatees fail (step P170) to notify it.
Below in conjunction with accompanying drawing 3,6a, 6b, 6c and 6d, the localization method when network side third party inquiry 190 is initiated request for location services is described in detail:
At first, network side third party inquiry 190 sends request for location services with the request positioning service (step T10) relevant with the positional information of portable terminal 100 to positioning service applications client 170.After receiving network side third party inquiry 190 service request, positioning service applications client 170 comprises the positional information (step T20) of the Location Request of positioning accuracy request with request portable terminal 100 to mobile positioning center 150 transmissions.
After receiving the position requests of positioning service applications client 170, mobile positioning center 150 request 180 pairs of portable terminals 100 of customer data base and positioning service applications client 170 are carried out authorization identifying.After receiving the authorization identifying request of mobile positioning center 150, customer data base 180 checks that portable terminal 100 and positioning service applications client 170 are the positional information whether positioning service authorized user and positioning service applications client 170 have the right to obtain portable terminal 100, and check result is returned to mobile positioning center 150 as the authorization identifying result.Whether successfully the authorization identifying result that 150 pairs of mobile positioning centers are received checks to determine authorization identifying (step T30).
If authorization identifying failure, be that portable terminal 100 or positioning service applications client 170 are not the positioning service authorized users, perhaps positioning service applications client 170 haves no right to obtain the positional information of portable terminal 100, and mobile positioning center 150 responds to notify its authorization identifying failure (step T40) to positioning service applications client 170 restorings to normal position.After positioning service applications client 170 is received the location response of notified on authorization authentification failure of mobile positioning center 150, to notify its authorization identifying failure (step T50), finish positioning flow to network side third party inquiry 190 restoring to normal position service responses.
If authorization identifying success, be that portable terminal 100 and positioning service applications client 170 all are the positional informations that positioning service authorized user and positioning service applications client 170 have the right to obtain portable terminal 100, mobile positioning center 150 request customer data bases 180 check that network side third party inquiry 190 uses the mode of the positional information of portable terminal 100.After receiving the request of mobile positioning center 150, customer data base 180 checks that it is that acquiescence is agreed or the subscriber authorisation that needs portable terminal 100 agreement that network side third party inquiry 190 uses the positional information of portable terminal 100, and check result is returned to mobile positioning center 150.150 pairs of check results of receiving of mobile positioning center are checked (step T60):
If A network side third party inquiry 190 uses the positional information of portable terminal 100 to need the subscriber authorisation of portable terminal 100 to agree, the positioning accuracy request (step T70) of the Location Request that stationkeeping ability that mobile positioning center 150 inspection portable terminals 100 have and positioning service applications client 170 send:
If 1 check to find that portable terminal 100 has the positioning accuracy request that GPSOne stationkeeping ability and GPSOne location technology can satisfy Location Request, mobile positioning center 150 sends a geographical position request to position determining entity 160 and uses the GPSOne location technology to calculate the positional information (step T80) of portable terminal 100 to notify it.Then, mobile positioning center 150 sends special travelling carriage termination (MT) short message via short message module 140 to portable terminal 100 and inquires to require it whether its user agrees that network side third party inquiry 190 uses its positional informations and require the positioning flow (step T90) of its triggering based on the IS-801 session under the situation that the user agrees.After receiving travelling carriage termination (MT) short message of mobile positioning center 150, portable terminal 100 ejects dialog boxes to inquire whether its user agrees that network side third party inquiry 190 uses its positional informations (step T100).(1) if agreeing network side third party inquiry 190, the user uses its positional information, portable terminal 100 sends to mobile positioning center 150 and shows that the user agrees to use Mobile Origination (MO) short message of its positional information, the positional information (step T110) that wherein comprises portable terminal 100 base stations of living in this Mobile Origination (MO) short message, initiate simultaneously an information of calculating portable terminal 100 positions with being used to that the GPSOne location technology is used to the IS-801 session of position determining entity 160 send to it (step T120).(a) if position determining entity 160 obtains to be used to calculate the information of portable terminal 100 positions by this IS-801 session, position determining entity 160 uses the GPSOne location technology to calculate the positional information (step T130) of portable terminal 100 according to the information that is used to calculate portable terminal 100 positions, and the positional information of the portable terminal 100 that calculates is sent to mobile positioning center 150 (step T140) by the geographical position request.Mobile positioning center 150 receives and the positional information of the portable terminal 100 that buffer memory is received from position determining entity 160, then by the positional information (step T150) of location response to positioning service applications client 170 transmission portable terminals 100.The positional information of 170 pairs of portable terminals of receiving 100 of positioning service applications client is handled so that the positioning service (step T160) of its requirement to be provided to network side third party inquiry 190.(b) if position determining entity 160 can not obtain to be used to calculate the information of portable terminal 100 positions by this IS-801 session, be the IS-801 conversation failure, position determining entity 160 sends a geographical position request to notify its location failure (step T170) to mobile positioning center 150.After mobile positioning center 150 is received geographical position request of notifying its location failure of position determining entity 160 transmissions, if check the positioning accuracy request of finding to satisfy Location Request based on the location technology of CELLID, resend a geographical position request to position determining entity 160 and use the positional information of calculating portable terminal 100 based on the location technology of CELLID to notify it, wherein the geographical location information of this New Development comprises the positional information (step T180) of portable terminal 100 base stations of living in.After position determining entity 160 is received the geographical position request of mobile positioning center 150 transmissions, the positional information of portable terminal 100 base stations of living in that comprise according to this geographical position request is used the positional information (step T190) of calculating portable terminal 100 based on the location technology of CELLID, and by the geographical position request positional information of the portable terminal 100 that calculates is sent to mobile positioning center 150 (step T140).Mobile positioning center 150 receives and the positional information of the portable terminal 100 that buffer memory is received from position determining entity 160, then by the positional information (step T150) of location response to positioning service applications client 170 transmission portable terminals 100.The positional information of 170 pairs of portable terminals of receiving 100 of positioning service applications client is handled so that the positioning service (step T160) of its requirement to be provided to network side third party inquiry 190.(2) if agreeing network side third party inquiry 190, the user uses its positional information, but portable terminal 100 can't be initiated the IS-801 session, this portable terminal 100 sends to mobile positioning center 150 and shows that the user agrees to use its positional information but Mobile Origination (MO) short message that can't initiate the IS-801 session, wherein comprises the positional information (step T200) of portable terminal 100 base stations of living in this Mobile Origination (MO) short message.After receiving Mobile Origination (MO) short message of this portable terminal 100, if mobile positioning center 150 is checked the positioning accuracy request of finding can satisfy based on the location technology of CELLID Location Request, send a cancellation location notice to inform the positioning action (step T210) of its cancellation based on the GPSOne location technology to position determining entity 160.After position determining entity 160 was received this cancellation location notice, cancellation was based on the positioning action of GPSOne location technology.Then, mobile positioning center 150 sends a geographical position request to position determining entity 160 and uses the positional information of calculating portable terminal 100 based on the location technology of CELLID to require it, and wherein this geographical position request comprises the positional information (step T220) of portable terminal 100 base stations of living in.After receiving the geographical position request of mobile positioning center 150, position determining entity 160 uses the positional information (step T190) of calculating portable terminal 100 based on the location technology of CELLID according to the positional information of portable terminal 100 base stations of living in that this geographical position request comprises, and calculating to such an extent that positional information sends to mobile positioning center 150 (step T140) by the geographical position request.Mobile positioning center 150 receives and the positional information of the portable terminal 100 that buffer memory is received from position determining entity 150, then by the positional information (step T150) of location response to positioning service applications client 170 transmission portable terminals 100.The positional information of 170 pairs of portable terminals of receiving 100 of positioning service applications client is handled so that the positioning service (step T160) of its requirement to be provided to network side third party inquiry 190.(3) use its positional information if the user disagrees with network side third party inquiry 190, portable terminal 100 sends to mobile positioning center 150 and shows that the user refuses to use Mobile Origination (MO) short message (step T230) of its positional information.After mobile positioning center 150 is received Mobile Origination (MO) short message of portable terminal 100 transmissions, send a cancellation location notice to position determining entity 160 and cancel (step T240) to inform its positioning action.Mobile positioning center 150 is sent out 170 to the positioning service applications client and is sent location response to notify its location failure (step T250).After positioning service applications client 170 is received the location response of mobile positioning center 150, to network side third party inquiry 190 restoring to normal position serv-fail message (step T260).
If 2 check the positioning accuracy request of finding can satisfy based on the location technology of CELLID Location Request, mobile positioning center 150 sends special travelling carriage termination (MT) short message via short message module 140 to portable terminal 100 and inquires to require it whether its user agrees that network side third party inquiry 190 uses its positional informations and requires it to return the information of using based on the location technology of CELLID that is used to calculate portable terminal 100 positions (step T270) under the situation that the user agrees.After receiving travelling carriage termination (MT) short message of mobile positioning center 150, portable terminal 100 ejects dialog boxes to inquire whether its user agrees that network side third party inquiry 190 uses its positional informations (step T280).(a) if agreeing network side third party inquiry 190, the user uses its positional information, portable terminal 100 sends to mobile positioning center 150 by short message module 140 and shows that the user agrees to use Mobile Origination (MO) short message of its positional information, wherein comprises the positional information (step T290) of portable terminal 100 base stations of living in this Mobile Origination (MO) short message.After mobile positioning center 150 is received Mobile Origination (MO) short message of portable terminal 100 transmissions, send a geographical position request to position determining entity 160 and use the positional information of calculating portable terminal 100 based on the location technology of CELLID to notify it, wherein this geographical position request comprises the positional information (step T300) of portable terminal 100 base stations of living in.After receiving the geographical position request of mobile positioning center 150 transmissions, position determining entity 160 uses the positional information (step T310) of calculating portable terminal 100 based on the location technology of CELLID according to the positional information of portable terminal 100 base stations of living in that comprise in this geographical position request, and the positional information of the portable terminal 100 that calculates is sent to mobile positioning center 150 (step T320) by the geographical position request.Mobile positioning center 150 receives and the positional information of the portable terminal 100 that buffer memory is received from position determining entity 160, then by the positional information (step T330) of location response to positioning service applications client 170 transmission portable terminals 100.The positional information of 170 pairs of portable terminals of receiving 100 of positioning service applications client is handled so that the positioning service (step T340) of its requirement to be provided to network side third party inquiry 190.(b) use its positional information if the user disagrees with network side third party inquiry 190, portable terminal 100 sends to mobile positioning center 150 and shows that the user refuses to use Mobile Origination (MO) short message (step T350) of its positional information.After mobile positioning center 150 is received Mobile Origination (MO) short message of portable terminal 100 transmissions, send location response to notify its location failure (step T360) to positioning service applications client 170.After positioning service applications client 170 is received the location response of mobile positioning center 150, to network side third party inquiry 190 restoring to normal position serv-fail message (step T370).If 3 check that the positional information of the portable terminal 100 of finding buffer memory can satisfy the positioning accuracy request of Location Request, perhaps the positional information of the portable terminal 100 that obtains by the method for not using position determining entity 160 of mobile positioning center 150 can satisfy the positioning accuracy request of Location Request, and mobile positioning center 150 is by the positional information (step T380) of location response to positioning service applications client portable terminal 100 170 return caches or that obtain.The positional information of 170 pairs of portable terminals of receiving 100 of positioning service applications client is handled so that the positioning service (step T160) of its requirement to be provided to network side third party inquiry 190.
If the positional information that the stationkeeping ability that 4 inspection discoveries have according to portable terminal 100 obtains can not satisfy the positioning accuracy request of beginning localization process request, mobile positioning center 150 sends location response to positioning service applications client 170 and locatees fail (step T390) to notify it.After positioning service applications client 170 is received the location response of mobile positioning center 150, to network side third party inquiry 190 restoring to normal position serv-fail message (step T400).
If 5 mobile positioning centers 150 send the answer that the geographical position request is not also received this position determining entity 160 above the scheduled time to position determining entity 160, send a cancellation location notice to position determining entity 160 and cancel positioning action (step T410) to inform it.Then, mobile positioning center 150 sends location response to notify its location failure (step T390) to positioning service applications client 170.After positioning service applications client 170 is received the location response of mobile positioning center 150, to network side third party inquiry 190 restoring to normal position serv-fail message (step T400).
If it is that acquiescence is agreed that B network side third party inquiry 190 uses the positional information of portable terminal 100, the positioning accuracy request (step T70) of the Location Request that stationkeeping ability that mobile positioning center 150 inspection portable terminals 100 have and positioning service applications client 170 send:
If 1 checks the positioning accuracy request of finding can satisfy based on the location technology of CELLID Location Request, mobile positioning center 150 sends a special travelling carriage via short message module 140 to portable terminal 100 and ends (MT) short message to notify its positional information of returning its base station of living in (step T420).Portable terminal 100 sends the positional information (step T430) of a special Mobile Origination (MO) short message to return its base station of living in via short message module 140 to mobile positioning center 150 after receiving that the travelling carriage of mobile positioning center 150 is ended (MT) short message.After mobile positioning center 150 is received Mobile Origination (MO) short message of portable terminal 100, send a geographical position request to position determining entity 160 and use the positional information of calculating portable terminal 100 based on the location technology of CELLID to notify it, wherein this geographical position request comprises the positional information (step T440) of portable terminal 100 base stations of living in.After position determining entity 160 is received the geographical position request of mobile positioning center 150, the base station position information that comprises according to this geographical position request uses the positional information (step T450) of calculating portable terminal 100 based on the location technology of CELLID, by the geographical position request positional information of portable terminal 100 is sent to mobile positioning center 150 (step T460) then.After the positional information of the portable terminal 100 that mobile positioning center 150 receptions and buffer memory position determining entity 160 send, return the positional information (step T470) of portable terminal 100 to positioning service applications client 170 by location response.The positional information of 170 pairs of portable terminals of receiving 100 of positioning service applications client is handled so that the positioning service (step T480) of its requirement to be provided to network side third party inquiry 190.
If 2 check that the positional information of the portable terminal 100 of finding buffer memory can satisfy the positioning accuracy request of Location Request, perhaps the positional information of the portable terminal 100 that obtains by the method for not using position determining entity 160 of mobile positioning center 150 can satisfy the positioning accuracy request of Location Request, and mobile positioning center 150 is by the positional information (step T490) of location response to positioning service applications client portable terminal 100 170 return caches or that obtain.The positional information of 170 pairs of portable terminals of receiving 100 of positioning service applications client is handled so that the positioning service (step T480) of its requirement to be provided to network side third party inquiry 190.
If the positional information that the stationkeeping ability that 3 inspection discoveries have according to portable terminal 100 obtains can not satisfy the positioning accuracy request of beginning localization process request, mobile positioning center 150 sends location response to positioning service applications client 170 and locatees fail (step T500) to notify it.After positioning service applications client 170 is received the location response of mobile positioning center 150, to network side third party inquiry 190 restoring to normal position serv-fail message (step T510).
It more than is exactly the localization method that navigation system of the present invention can provide.
These localization methods both can use the method for software module to realize, also can use the method for hardware module to realize.
When the method for using hardware module realized these localization methods, mobile positioning center comprised at least:
The position requests receiving element is used for the position requests of the positional information of the portable terminal of the request that comprises positioning accuracy request that the receiving position information requestor sends;
The authorization identifying unit is used for the described location information request person and the described portable terminal that participate in positioning action are carried out authorization identifying;
Location information acquiring unit was used for when authorization identifying when success, and the stationkeeping ability that positioning accuracy request that comprises according to described position requests and known described portable terminal have uses corresponding method to obtain the positional information of this portable terminal.
Portable terminal comprises at least:
The notice receiving element is used to receive notice to the IS-801 session of position determining entity of requirement initiation that mobile positioning center sends;
The unit is initiated in session, is used to initiate an IS-801 session to described position determining entity;
The transmitting element of the information of calculating location is used for sending the information that is used to calculate self-position that the GPSOne location technology is used by this IS-801 session to described position determining entity.
Customer data base comprises at least:
Authorization identifying request receiving element is used to receive the user to participating in positioning action that mobile positioning center sends and carries out the request of authorization identifying;
The authorization identifying unit is used for according to this authorization identifying request the user of described participation positioning action being carried out authorization identifying;
Authorization identifying is transmitting element as a result, is used for to described mobile positioning center return authorization authentication result.
Position determining entity comprises at least:
The notice receiving element, be used to receive the notice of calculating the positional information of portable terminal from the use GPSOne location technology of mobile positioning center, perhaps receive the notice of calculating the positional information of portable terminal from the use of mobile positioning center based on the location technology of CELLID;
The base station position information receiving element is used to receive the positional information of the described portable terminal base station of living in that described mobile positioning center sends;
The positional information calculation unit, be used for obtaining the information that is used to calculate described mobile terminal locations from described portable terminal, and use the GPSOne location technology to calculate the positional information of described portable terminal according to this information, perhaps according to the positional information of the described portable terminal of positional information calculation of the described base station of receiving;
Position information sending unit is used for sending to described mobile positioning center the positional information of the described portable terminal that calculates.