CN101656912A - Mobile terminal positioning method and system - Google Patents
Mobile terminal positioning method and system Download PDFInfo
- Publication number
- CN101656912A CN101656912A CN200910171658A CN200910171658A CN101656912A CN 101656912 A CN101656912 A CN 101656912A CN 200910171658 A CN200910171658 A CN 200910171658A CN 200910171658 A CN200910171658 A CN 200910171658A CN 101656912 A CN101656912 A CN 101656912A
- Authority
- CN
- China
- Prior art keywords
- travelling carriage
- request message
- mobile
- positioning center
- gps
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Position Fixing By Use Of Radio Waves (AREA)
- Navigation (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a mobile terminal positioning method and system. The method comprises that a mobile positioning center sends a GPS positioning request message to a mobile station through a mobile exchange center or a PTT scheduling server, so as to enable the mobile station to GPS positioning according to the GPS positioning request message; the mobile positioning center receives positioninformation of the mobile station forwarded by the mobile exchange center or the PTT scheduling server, wherein the position information of the mobile station is obtained through GPS positioning. Position information obtained through using the GPS positioning has higher precision, since the time required for GPS positioning is less than the time required for wireless measurement, the time requiredfor positioning is shortened.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of mobile terminal positioning method and system.
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 by specific location technology, offer 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.
Trunking communication is a kind of means of communication that grows up on the mobile communication technology basis, the category that belongs to mobile communication, its topmost characteristic is PTT (Push To Talk, by saying, promptly, once by conversing), adopt the mode of PoC directly to set up calling, the group user shared channel in the group system.Because trunked communication system possesses the characteristic of distinctive scheduling feature and group calling function and short calling, therefore bringing into play enormous function in the specialized communication field.
Portable terminal in the digital cluster system can be in group calling (group call in the trunking communication) state, also can be in free time, voice, data, individual call state.
Group calling can be divided into two classes again: standard group calling and enhancing group calling.In the standard group calling, a plurality of travelling carriage shared service channels, travelling carriage adds this Traffic Channel voluntarily, and does not notify mobile switching centre, so the state of travelling carriage is not known by mobile switching centre.In strengthening group calling, single mobile station is monopolized a channel, and the state of travelling carriage is known by mobile switching centre.At free time, voice, data and individual call state, the state of travelling carriage is known by mobile switching centre.
Fig. 1 is the schematic diagram according to the navigation system in the digital cluster system of correlation technique.As shown in Figure 1, this navigation system mainly comprises travelling carriage (MS, Mobile Station), mobile positioning center (MPC, Mobile Position Center), (MSC of mobile switching centre, Mobile Switch Center), PTT dispatch server (PDS, PTT DispatchServer), base station controller (BSC, Base Station Controller) etc.
Mobile station MS is the ustomer premises access equipment of positioning service, and major function provides the relevant metrical information in portable terminal location, finishes Signalling exchange with BSC by mobile radio communication.Mobile positioning center is the kernel entity that positioning service realizes, major function is the control position fixing process, with each entity interaction, and stores and provide user position information etc.
PDS is the dispatch call center in the digital cluster system, and it has call setup, location management, subscription authentication, functions such as distribution of services.In positioning function, PDS is responsible for the message of mobile positioning center is sent to BSC, and positioning result is forwarded to mobile positioning center.
In the prior art, mobile positioning center sends the wireless measurement request by PDS or MSC to BS, and BS sends Pilot Strength Measurement Message to travelling carriage, so that request measurement pilot frequency information.After finishing location survey, travelling carriage returns pilot measurement reports message.BS passes through mobile positioning center by PDS or MSC with the wireless measurement response, and mobile positioning center goes out the position of travelling carriage according to the wireless measurement information calculations then.
But the positional information precision that obtains by above-mentioned wireless measurement is lower, and error is bigger, is difficult to satisfy the high request to precision.
Can cause precision lower at mobile terminal positioning method in the correlation technique, the problem that error is bigger does not propose effective solution at present as yet.
Summary of the invention
Can cause precision lower at mobile terminal positioning method in the correlation technique, the problem that error is bigger and propose the present invention, for this reason, main purpose of the present invention is to provide a kind of mobile terminal positioning method and system, one of to address the above problem at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of mobile terminal positioning method.
Mobile terminal positioning method according to the present invention comprises: mobile positioning center sends to travelling carriage by mobile switching centre or PTT dispatch server with the GPS locating request message, so that travelling carriage carries out the GPS location according to the GPS locating request message; Mobile positioning center receives the positional information of the travelling carriage of being transmitted by mobile switching centre or PTT dispatch server, and wherein, the positional information of travelling carriage is located by GPS and obtained.
To achieve these goals, according to a further aspect in the invention, provide a kind of mobile terminal positioning system.
Mobile terminal positioning system according to the present invention comprises: mobile positioning center, mobile switching centre, PTT dispatch server and travelling carriage.
Above-mentioned mobile positioning center comprises: first sending module is used for by mobile switching centre or PTT dispatch server the GPS locating request message being sent to travelling carriage; First receiver module is used to receive the positional information from travelling carriage.
Above-mentioned travelling carriage comprises: second receiver module is used to receive the GPS locating request message; Locating module is used to carry out the GPS location and generates above-mentioned positional information; Second sending module is used for by mobile switching centre or PTT dispatch server positional information being sent to mobile positioning center.
Preferably, locating module also is used for carrying out the periodical GPS location according to the GPS locating request message, and wherein, the GPS locating request message carries the parameter that is used for the cycle location, and parameter comprises: time started, concluding time and location are at interval.
According to the present invention, mobile positioning center sends to travelling carriage by PDS or MSC with GPS (GlobePositioning System, global positioning system) locating request message, so that make travelling carriage carry out the GPS location.Compare with the locate mode of wireless measurement of the prior art, the present invention has higher precision by the positional information that the GPS locate mode obtains.In addition, be less than the required time of wireless measurement because GPS locatees the required time, thereby can shorten positioning time.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes a part of asking in this, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the navigation system in the digital cluster system of correlation technique;
Fig. 2 is the flow chart according to the mobile terminal positioning method of the embodiment of the invention;
Fig. 3 is according to the flow chart of the descending GPS locating request message of the transmission of the embodiment of the invention to travelling carriage;
Fig. 4 is the flow chart that arrives mobile positioning center according to the message of the up GPS of the comprising positional information of the transmission of the embodiment of the invention;
Fig. 5 is the flow chart according to the high accuracy single location of the embodiment of the invention;
Fig. 6 is the flow chart according to the high accuracy cycle location of the embodiment of the invention;
Fig. 7 is the flow chart according to the high accuracy cycle location cancellation of the embodiment of the invention;
Fig. 8 is the schematic diagram according to the positioner of the portable terminal of the embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Functional overview
Consider that mobile terminal positioning method can cause precision lower in the correlation technique, the problem that error is bigger the invention provides a kind of mobile terminal positioning method and system.In the solution of the present invention, mobile positioning center sends to travelling carriage by PDS or MSC with the GPS locating request message, so that make travelling carriage carry out the GPS location.Compare with the locate mode of wireless measurement of the prior art, the positional information that obtains by the GPS locate mode among the present invention has higher precision.In addition, be less than the required time of wireless measurement because GPS locatees the required time, thereby can shorten positioning time.
Method embodiment
According to embodiments of the invention, provide a kind of mobile terminal positioning method.
Fig. 2 is the flow chart according to the mobile terminal positioning method of the embodiment of the invention.As shown in Figure 2, this method comprises that following step S202 is to step S204:
S202, mobile positioning center sends to travelling carriage by mobile switching centre or PTT dispatch server with the GPS locating request message, so that travelling carriage carries out the GPS location according to the GPS locating request message.
S204, mobile positioning center receive the positional information of the travelling carriage of being transmitted by mobile switching centre or PTT dispatch server, and wherein, the positional information of travelling carriage is located by GPS and obtained.
The embodiment of the invention is applied to following scene: travelling carriage is supported the GPS hi-Fix, and presets the travelling carriage TSR; Mobile positioning center can identify the high precision movement platform of supporting the GPS location according to mobile station identification (MDN or IMSI).
Concrete implementation step according to the mobile terminal positioning method of the embodiment of the invention is as follows:
(a) mobile positioning center receives from after the third-party locating request message to travelling carriage, the judgement travelling carriage can be supported the GPS hi-Fix, generate the GPS locating request message, wherein, above-mentioned third party can comprise: content supplier and service provider, here, the GPS locating request message can send by way of short messages.
(b) mobile positioning center mails to MSC and PDS with the GPS locating request message simultaneously, and is preferred, can pass through MT (Mobile Terminated, terminal receives) note and send this message.
(c) if travelling carriage is in standard group calling state, then PDS sends to travelling carriage with this GPS locating request message; Otherwise MSC sends to travelling carriage with this GPS locating request message.
(d) after travelling carriage receives the GPS locating request message, program resident on the travelling carriage is resolved identification, and adopts the GPS location to obtain the positional information of this travelling carriage.
(e) TSR on the travelling carriage encapsulates positional information in a piece of news, and send to mobile positioning center by mobile switching centre or PTT dispatch server, preferably, send this message by MO (Mobile Originate, terminal is initiated) note.If travelling carriage is in standard group calling state, then utilize shared channel that up MO note is sent to PDS, send to mobile positioning center by PDS; Otherwise, directly initiate the MO note and rise and exhale MSC, send to mobile positioning center by MSC.
(f) mobile positioning center receives the MO note that comprises positional information, parses positional information.
Further, in above-mentioned flow process, travelling carriage is in lasting cycle position fixing process, the Discovery Status change, be other states promptly by standard group calling Status Change, or when being standard group calling state by other Status Changes, can automatically switch sends the passage of up MO note, can make that all the MO note successfully arrives mobile positioning center.
Further, in above-mentioned flow process, travelling carriage is failed thereby cause GPS to locate because the present position can make that the GPS received signal is bad.After the failure of GPS location, travelling carriage can send the message that carries GPS location failure information to mobile positioning center, and is preferred, can send this message by the MO note.Mobile positioning center is found the failure of GPS location after to this message parse, can transfer existing low precision positioning flow to.
As from the foregoing, use the inventive method, no matter travelling carriage is in standard group calling attitude, strengthens the group calling attitude, the normal speech conversation state, and Idle state, data attitude and individual call attitude can adopt the hi-Fix mode to obtain positional information.Even the hi-Fix failure also can be obtained low precision positioning position information.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
Fig. 3 is according to the flow chart of the descending GPS locating request message of the transmission of the embodiment of the invention to travelling carriage.As shown in Figure 3, when adopting hi-Fix, send descending GPS locating request message and mainly comprise to the step of travelling carriage:
S301: mobile positioning center sends the GPS locating request message to the PTT dispatch server, and is preferred, can send this message by the MT note.
S302: mobile positioning center sends the GPS locating request message to mobile switching centre, and is preferred, can send this message by the MT note.
S303 is divided into S303a and S303b, is mutex relation, according to the state of travelling carriage, can only carry out wherein a certain step.
The S303a:PTT dispatch server is judged travelling carriage and is positioned at standard group calling state, sends the GPS locating request message to base station controller; If travelling carriage is positioned at other states, then the PTT dispatch server can't send the GPS locating request message, directly execution in step S306.
S303b: mobile switching centre judges travelling carriage and is positioned at other states (non-standard group calling state), sends the GPS locating request message to base station controller; If travelling carriage is positioned at standard group calling attitude, then mobile switching centre can't send the GPS locating request message, directly execution in step S307.
S304: base station controller sends the GPS locating request message to travelling carriage by air interface.
Corresponding to step S303, step S305 also is divided into S305a and S305b, is mutex relation, can only carry out wherein a certain step.
S305a: if travelling carriage is in standard group calling state, then base station controller is replied the response that the GPS locating request message successfully sends and is arrived the PTT dispatch server.
S305b: if travelling carriage is in other states (non-standard group calling state), then base station controller is replied response that the GPS locating request message successfully sends to mobile switching centre.
The S306:PTT dispatch server is replied the GPS locating request message and is sent response to mobile positioning center.
S307: mobile switching centre replys the GPS locating request message and sends response to mobile positioning center.
Preferably, the related GPS locating request message of above-mentioned steps S301～S307 can be carried by the MT note, that is, the GPS locating request message is packaged into note sends.It will be appreciated by persons skilled in the art that carrying the GPS locating request message with note here is an example, the present invention is not limited only to this, for example, can also adopt the mode of multimedia message to carry the GPS locating request message.
Fig. 4 is the flow chart that arrives mobile positioning center according to the message of the up GPS of the comprising positional information of the transmission of the embodiment of the invention.As shown in Figure 4, when adopting hi-Fix, the message that sends the up GPS of comprising positional information mainly comprises to the step of mobile positioning center:
S401: travelling carriage sends to base station controller to the message that comprises positional information by air interface.
According to the state of travelling carriage, the message that base station controller can be selected two passes to send and comprise positional information arrives mobile positioning center.If travelling carriage is in standard group calling state, then execution in step S402 and S403; Otherwise, execution in step S402 ' and S403 '.
S402: if travelling carriage is in standard group calling state, base station controller sends the message that comprises positional information and arrives the PTT dispatch server;
The S403:PTT dispatch server sends the message that comprises positional information and arrives mobile positioning center.
S402 ': if travelling carriage is in other states (non-standard group calling state), base station controller give out a contract for a project contain positional information message to mobile switching centre;
S403 ': mobile switching centre sends the message that comprises positional information and arrives mobile positioning center.
Preferably, the message that comprises positional information that above-mentioned steps is related can be carried by the MO note, that is, the message that will comprise positional information is packaged into note and sends.It will be appreciated by persons skilled in the art that carrying the message that comprises positional information with note here is an example, the present invention is not limited only to this, for example, can also adopt the mode of multimedia message to carry the above-mentioned message that comprises positional information.
Following examples are all based on this precondition: travelling carriage is supported the GPS location, and presets TSR, is used to support the interaction message with mobile positioning center to receive and dispatch and encoding and decoding.The mobile station identification of supporting the GPS hi-Fix is arranged in the physical database.
Fig. 5 is the flow chart according to the high accuracy single location of the embodiment of the invention, and present embodiment is applied to utilize the MT note to carry the GPS locating request message and utilizes the MO note to carry comprise the scene of the message of positional information.As shown in Figure 5, the method that travelling carriage is carried out high accuracy single location mainly may further comprise the steps:
S501, mobile positioning center receive the single Location Request to travelling carriage.
S502, mobile positioning center judges by mobile station identification whether the travelling carriage that is positioned supports the GPS hi-Fix; If support, continue to carry out following steps; Otherwise carry out low precision single positioning step of the prior art.
S503, the protocol code between mobile positioning center basis and the travelling carriage generates one and comprises single GPS locating request message.
S504, mobile positioning center sends corresponding message to PTT dispatch server and mobile switching centre simultaneously, and requirement is issued to travelling carriage with this message.For example, can send this GPS locating request message by descending MT note.
S505 decides by PTT dispatch server or mobile switching centre according to the current state of living in of travelling carriage to send descending MT note.
S506, if travelling carriage is in standard group calling state, the PTT dispatch server can successfully carry out the MT note to travelling carriage to be triggered, and, issues the MT note to travelling carriage that is, and returns the successful response of descending MT note transmission to mobile positioning center; Simultaneously, be under the standard group calling state at travelling carriage, mobile switching centre sends descending MT note failure.
When if travelling carriage is in non-standard group calling state (Idle state, voice attitude, data attitude, individual call attitude), the PTT dispatch server sends descending MT note failure, returns the travelling carriage current state and gives mobile positioning center; Mobile switching centre can successfully carry out the MT note to travelling carriage and trigger, and, issues the MT note to travelling carriage that is, and returns the successful response of descending MT note transmission to mobile switching centre.
S507, after travelling carriage received the MT note that comprises above-mentioned Location Request, the TSR that is preset in the travelling carriage was discerned this MT note according to agreement, and resolves to the single Location Request.
S508 because this travelling carriage is supported the GPS location, so this travelling carriage triggers gps satellite location, gets access to relevant positional information (longitude and latitude, highly, speed, time, data such as GPS effective status).Then, travelling carriage is encapsulated into above-mentioned positional information in the MO note according to agreement by the TSR that presets, and sends to base station controller BSC.
S509, BSC decide by PTT dispatch server or mobile switching centre according to travelling carriage present located state and send up MO note.
S510, if travelling carriage is in standard group calling state, travelling carriage utilizes shared channel, by the PTT dispatch server up MO note is sent to mobile positioning center.Be under the standard group calling state at travelling carriage, can't initiate MO by mobile switching centre and rise and exhale, that is, can't the MO note be sent to mobile positioning center by mobile switching centre.
If when travelling carriage is in non-standard group calling state (Idle state, voice attitude, data attitude, individual call attitude), can't utilizes shared channel to pass through the PTT dispatch server and send up MO note to mobile positioning center.At this moment, can directly rise and exhale, successfully up MO note be sent to mobile switching centre by the initiation MO of mobile switching centre.
S511, mobile positioning center receive the MO note from travelling carriage, can parse the positional information that includes according to agreement.
S512, in the data that parse, effectively whether GPS effective status sign Current GPS positional information (when gps signal was blocked, the travelling carriage search was not enough less than the number of satellites of satellite or search, and then travelling carriage does not obtain the effective GPS positional information).If the GPS positional information is invalid, the mobile positioning center retry is initiated low precision positioning flow of the prior art, to obtain the current rough position of travelling carriage.
S513, if the GPS positional information is effective, mobile positioning center is preserved this positioning result related data in physical database, and the restoring to normal position result responds the third party to corresponding initiation position requests, spelling out this position is GPS hi-Fix result.
If GPS information is invalid, mobile positioning center also can get access to positional information by original low precision positioning flow, same is saved in the physical database, spells out this position and be low precision positioning result in returning to the positioning result response of initiating position requests side.
Fig. 6 is the flow chart according to the high accuracy cycle location of the embodiment of the invention, and present embodiment is applied to utilize the MT note to carry the GPS locating request message and utilizes the MO note to carry comprise the scene of the message of positional information.As shown in Figure 6, the method that travelling carriage is carried out high accuracy cycle location mainly may further comprise the steps:
S601, mobile positioning center receive the cycle Location Request to travelling carriage.
S602, mobile positioning center judges by mobile station identification whether the travelling carriage that is positioned supports the GPS hi-Fix; If support, continue to carry out following steps; Otherwise carry out low precision cycle positioning flow of the prior art.
S603, the protocol code between mobile positioning center basis and the travelling carriage generates one and comprises the cycle locating request message, wherein, comprises following parameter in this cycle locating request message at least: the time started of cycle location, concluding time, location are at interval.
S604, mobile positioning center sends corresponding message to PTT dispatch server and mobile switching centre simultaneously, requires that travelling carriage is carried out the MT note and triggers, and, the MT note is sent to travelling carriage that is.
S605 decides by PTT dispatch server or mobile switching centre according to mobile present located state to send descending MT note.
S606, if travelling carriage is in standard group calling state, the PTT dispatch server can successfully carry out the MT note to travelling carriage to be triggered, and, the MT note is sent to travelling carriage that is, and mobile positioning center is given in the response that returns success descending MT note.Be under the standard group calling state at travelling carriage, mobile switching centre sends descending MT note failure.
When if travelling carriage is in non-standard group calling state (Idle state, voice attitude, data attitude, individual call attitude), the PTT dispatch server sends descending MT note failure, returns the travelling carriage current state and gives mobile positioning center.At this moment, mobile switching centre can be successfully carry out the MT note to travelling carriage and trigger, and, the MT note is sent to travelling carriage that is, and return success send descending MT note response to mobile switching centre.
Mobile positioning center receives after success issues the response that comprises cycle Location Request note, the current cycle location tasks of record travelling carriage.
After S607, travelling carriage received the MT note that comprises the cycle Location Request, travelling carriage presets TSR can discern and resolve to the cycle Location Request according to agreement.
S608 supports the travelling carriage of GPS location to trigger the gps satellite location after the time started that arrives the cycle Location Request, gets access to relevant positional information (longitude and latitude, highly, speed, time, data such as GPS effective status).Then, travelling carriage is encapsulated into this positional information in the MO note according to agreement by the TSR that presets, and sends to BSC.Trigger the GPS location in the location of cycle Location Request once more after at interval, obtain location dependent information and be encapsulated in the new MO note, be reported to mobile positioning center by PDS or MSC then.
Travelling carriage is located according to the gap periods of setting by the TSR control travelling carriage that presets, and stops locating reporting when the arrival cycle is located the concluding time of setting.
S609, BSC decide by PTT dispatch server or mobile switching centre according to travelling carriage present located state and send up MO note.
S610, if travelling carriage is in standard group calling state, travelling carriage utilizes shared channel, by the PTT dispatch server MO note is sent to mobile positioning center.Be under the standard group calling state at travelling carriage, can't initiate MO by mobile switching centre and rise and exhale, promptly can't the MO note be sent to mobile positioning center by mobile switching centre.
If when travelling carriage is in non-standard group calling state (Idle state, voice attitude, data attitude, individual call attitude), can't utilizes shared channel to pass through the PTT dispatch server and send up MO note to mobile positioning center.At this moment, can directly rise and exhale, successfully the MO note be sent to mobile switching centre by the initiation MO of mobile switching centre.
Periodically sending in the process of up MO note, if the switching that travelling carriage goes out present condition, be non-standard group calling state promptly by standard group calling state-transition, or be standard group calling state by non-standard group calling state-transition, can switch the passage that sends up MO note so accordingly, thereby can not have influence on the normal transmission of MO note.
S611, mobile positioning center receive the MO note from travelling carriage, can parse the location dependent information that includes according to agreement.
S612, in the data that parse, effectively whether GPS effective status sign Current GPS positional information (when gps signal was blocked, the travelling carriage search was not enough less than the number of satellites of satellite or search, and then travelling carriage does not obtain the effective GPS positional information).If the GPS positional information is invalid, for guaranteeing that position result continues not interrupt in the cycle position fixing process, the mobile positioning center retry is initiated original low precision single positioning flow, to obtain the current rough position of travelling carriage.
S613, if GPS information is effective, mobile positioning center is preserved this positioning result related data in physical database, and the restoring to normal position result responds to corresponding initiation position requests side, spelling out this position is GPS hi-Fix result;
If GPS letter position breath is invalid, mobile positioning center also can get access to positional information by original low precision positioning flow, same is saved in the physical database, spells out this position and be low precision positioning result in returning to the positioning result response of initiating position requests side.
In above-mentioned steps S601, mobile positioning center can receive from third-party travelling carriage is carried out the request message of cycle location, wherein, described third party comprise following one of at least: content supplier and service provider.
Step S608～S613 among Fig. 6 in the dashed rectangle repeats according to setting at interval in the cycle Location Request, finish until the cycle location, wherein, can come the end period location by following two conditions: the one, the concluding time that arrival cycle location is set, the 2nd, travelling carriage is received the cycle location cancel request message from mobile positioning center.By cycle GPS location, can follow the tracks of the motion track of travelling carriage, and not need repeatedly to initiate the single location, thereby under the situation of the continuous change location of travelling carriage, can position travelling carriage more accurately.
Fig. 7 is the flow chart according to the high accuracy cycle location cancellation of the embodiment of the invention, and present embodiment is applied to utilize the MT note to carry the GPS locating request message and utilizes the MO note to carry comprise the scene of the message of positional information.As shown in Figure 7, the method for cancellation travelling carriage cycle location mainly may further comprise the steps:
S701, mobile positioning center receive the cycle location cancel request message to travelling carriage.For example, mobile positioning center can receive from third-party cancellation travelling carriage is carried out the request message of cycle location, wherein, the third party comprise following one of at least: content supplier and service provider.
S702, mobile positioning center judges by mobile station identification whether the travelling carriage that is positioned supports the GPS hi-Fix.If support, continue to carry out following steps; Otherwise carry out location cancellation of low precision cycle flow process of the prior art.
Whether S703, mobile positioning center judge that travelling carriage is current a cycle location tasks, if current have travelling carriage in the execution cycle location tasks, continues to carry out following flow process; Otherwise flow process finishes.
S704, the protocol code between mobile positioning center basis and the travelling carriage generates a cycle location cancel request message.
S705, mobile positioning center sends corresponding message to PTT dispatch server and mobile switching centre simultaneously, requires that travelling carriage is carried out the MT note and triggers, and promptly can send this cycle location cancel request message by the MT note.
S706 decides by PTT dispatch server or mobile switching centre according to mobile current state of living in to send descending MT note.
S707, if travelling carriage is in standard group calling state, the PTT dispatch server can successfully carry out the MT note to travelling carriage to be triggered, and, the MT note is sent to travelling carriage that is, and return success send descending MT note response to mobile positioning center.Be under the standard group calling state at travelling carriage, mobile switching centre sends descending MT note failure.
When if travelling carriage is in non-standard group calling state (Idle state, voice attitude, data attitude, individual call attitude), the PTT dispatch server sends descending MT note failure, returns the travelling carriage current state and gives mobile positioning center.Mobile switching centre can be successfully carry out the MT note to travelling carriage and trigger, and, the MT note is sent to travelling carriage that is, and return success send descending MT note response to mobile switching centre.
After S708, travelling carriage received the MT note that comprises cancellation cycle Location Request, travelling carriage presets TSR can discern and resolve to cycle location cancellation request according to agreement, finishes current cycle location tasks then, no longer triggers the GPS location.
According to the present invention, mobile positioning center sends to travelling carriage by PDS or MSC with GPS (GlobePositioning System, global positioning system) locating request message, so that make travelling carriage carry out the GPS location.Compare with the locate mode of wireless measurement of the prior art, the positional information that obtains by the GPS locate mode among the present invention has higher precision.In addition, be less than the required time of wireless measurement because GPS locatees the required time, thereby can shorten positioning time.
System embodiment
According to embodiments of the invention, provide a kind of mobile terminal positioning system.
Fig. 8 is the schematic diagram according to the positioner of the portable terminal of the embodiment of the invention.As shown in Figure 8, navigation system comprises: mobile positioning center, mobile switching centre, PTT dispatch server and travelling carriage.
Mobile positioning center comprises: first sending module 804 is used for by mobile switching centre or PTT dispatch server the GPS locating request message being sent to travelling carriage; First receiver module 802 is used to receive the positional information from travelling carriage, and wherein, travelling carriage carries out the GPS location and generates above-mentioned positional information after receiving the GPS locating request message.
If travelling carriage is in standard group calling state, then first sending module 804 of mobile positioning center sends to travelling carriage by the PTT dispatch server with the GPS locating request message.
If travelling carriage is in non-standard group calling state, then first sending module 804 of mobile positioning center sends to travelling carriage by mobile switching centre with the GPS locating request message.
Travelling carriage comprises: second receiver module 806 is used to receive the GPS locating request message; Locating module 808 is used for carrying out the GPS location and generating positional information according to the GPS locating request message; Second sending module 810 is used for by mobile switching centre or PTT dispatch server positional information being sent to mobile positioning center.
If travelling carriage is in standard group calling state, then second sending module 810 of travelling carriage sends to mobile positioning center by the PTT dispatch server with above-mentioned positional information.
If travelling carriage is in non-standard group calling state, then second sending module 810 of travelling carriage sends to mobile positioning center by mobile switching centre with above-mentioned positional information.
Locating module 808 can carry out the periodical GPS location according to the GPS locating request message, and wherein, the GPS locating request message carries the parameter that is used for the cycle location, and this parameter comprises: time started, concluding time and location are at interval.By the cycle location, can follow the tracks of the motion track of travelling carriage, and not need repeatedly to initiate the single location, thereby under the situation of the continuous change location of travelling carriage, can position travelling carriage more accurately.
After first receiver module 802 of mobile positioning center receives the request message that travelling carriage is positioned from third-party cancellation, wherein, the third party comprise following one of at least: content supplier and service provider, first sending module 804 of mobile positioning center will be located cancel request message the cycle by mobile switching centre or PTT dispatch server and be sent to travelling carriage, so that travelling carriage is cancelled periodic GPS location according to cycle location cancel request message.
According to the present invention, mobile positioning center sends to travelling carriage by PDS or MSC with GPS (GlobePositioning System, global positioning system) locating request message, so that make travelling carriage carry out the GPS location.Compare with the locate mode of wireless measurement of the prior art, the positional information that obtains by the GPS locate mode among the present invention has higher precision.In addition, be less than the required time of wireless measurement because GPS locatees the required time, thereby can shorten positioning time.
Need to prove, can in computer system, carry out in the step shown in the flow chart of accompanying drawing such as a set of computer-executable instructions, and, though there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a mobile terminal positioning method is characterized in that, described method comprises:
Mobile positioning center sends to travelling carriage by mobile switching centre or PTT dispatch server with the GPS locating request message, so that described travelling carriage carries out the GPS location according to described GPS locating request message;
Mobile positioning center receives the positional information of the described travelling carriage of being transmitted by mobile switching centre or PTT dispatch server, and wherein, the positional information of described travelling carriage is located by described GPS and obtained.
2. method according to claim 1 is characterized in that, described mobile positioning center sends to travelling carriage by mobile switching centre or PTT dispatch server with the GPS locating request message and comprises:
If described travelling carriage is in standard group calling state, then described mobile positioning center sends to described travelling carriage by described PTT dispatch server with described GPS locating request message;
If described travelling carriage is in non-standard group calling state, then described mobile positioning center sends to described travelling carriage by described mobile switching centre with described GPS locating request message.
3. method according to claim 1 is characterized in that, after described mobile positioning center sent to travelling carriage by mobile switching centre or PTT dispatch server with the GPS locating request message, described method also comprised:
Described travelling carriage receives described GPS locating request message;
Described travelling carriage carries out the GPS location according to described GPS locating request message, obtains the positional information of described travelling carriage;
Described travelling carriage sends to described mobile positioning center by described mobile switching centre or PTT dispatch server with described positional information.
4. method according to claim 3 is characterized in that, described travelling carriage sends to described mobile positioning center by described mobile switching centre or PTT dispatch server with described positional information and comprises:
If described travelling carriage is in standard group calling state, then described travelling carriage sends to described mobile positioning center by described PTT dispatch server with described positional information;
If described travelling carriage is in non-standard group calling state, then described travelling carriage sends to described mobile positioning center by described mobile switching centre with described positional information.
5. method according to claim 3 is characterized in that, described travelling carriage carries out the GPS location according to described GPS locating request message, obtains positional information and comprises:
Described travelling carriage carries out periodic GPS location according to described GPS locating request message, obtains positional information, and wherein, described GPS locating request message carries the parameter that is used for the cycle location, and described parameter comprises: time started, concluding time and location are at interval.
6. according to each described method in the claim 1 to 5, it is characterized in that before described mobile positioning center sent to travelling carriage by mobile switching centre or PTT dispatch server with the GPS locating request message, described method also comprised:
Described mobile positioning center receives the request message that described travelling carriage is positioned from third-party, wherein, described third party comprise following one of at least: content supplier and service provider.
7. method according to claim 5 is characterized in that, after described mobile positioning center sent to travelling carriage by mobile switching centre or PTT dispatch server with the GPS locating request message, described method also comprised:
Described mobile positioning center will be located cancel request message the cycle by mobile switching centre or PTT dispatch server and be sent to travelling carriage, so that described travelling carriage is cancelled periodic GPS location according to location cancel request message of described cycle.
8. method according to claim 7 is characterized in that, will locate in the cycle by mobile switching centre or PTT dispatch server before cancel request message sends to travelling carriage at described mobile positioning center, and described method also comprises:
Described mobile positioning center receives from third-party cancellation described travelling carriage is carried out the request message of cycle location, wherein, described third party comprise following one of at least: content supplier and service provider.
9. a mobile terminal positioning system is characterized in that, described navigation system comprises: mobile positioning center, mobile switching centre, PTT dispatch server and travelling carriage, wherein,
Described mobile positioning center comprises:
First sending module is used for by described mobile switching centre or PTT dispatch server the GPS locating request message being sent to described travelling carriage;
First receiver module is used to receive the positional information from described travelling carriage;
Described travelling carriage comprises:
Second receiver module is used to receive described GPS locating request message; Locating module is used to carry out the GPS location and generates described positional information;
Second sending module is used for by described mobile switching centre or PTT dispatch server described positional information being sent to described mobile positioning center.
10. navigation system according to claim 9, it is characterized in that, described locating module also is used for carrying out the periodical GPS location according to described GPS locating request message, wherein, described GPS locating request message carries the parameter that is used for the cycle location, and described parameter comprises: time started, concluding time and location are at interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910171658A CN101656912A (en) | 2009-09-02 | 2009-09-02 | Mobile terminal positioning method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910171658A CN101656912A (en) | 2009-09-02 | 2009-09-02 | Mobile terminal positioning method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101656912A true CN101656912A (en) | 2010-02-24 |
Family
ID=41710947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910171658A Pending CN101656912A (en) | 2009-09-02 | 2009-09-02 | Mobile terminal positioning method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101656912A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223601A (en) * | 2011-06-09 | 2011-10-19 | 中兴通讯股份有限公司 | Location service method and system, and terminal |
| CN102711042A (en) * | 2012-06-07 | 2012-10-03 | 哈尔滨海能达科技有限公司 | Mobile station positioning method and equipment, and position information uploading method and equipment for trunking system |
| CN102917304A (en) * | 2011-08-04 | 2013-02-06 | 中兴通讯股份有限公司 | Positioning information reporting method and terminal thereof |
| US9494689B2 (en) | 2012-06-07 | 2016-11-15 | Harbin Hytera Technology Corp., Ltd | Mobile station locating method and device and location information uploading method and device for cluster system |
| CN108235736A (en) * | 2017-12-25 | 2018-06-29 | 深圳前海达闼云端智能科技有限公司 | Positioning method, cloud server, terminal, system, electronic device and computer program product |
| EP3361758A1 (en) * | 2017-02-10 | 2018-08-15 | Harris Corporation | Wireless ptt communication system with enhanced location reporting and related devices and methods |
| WO2020140668A1 (en) * | 2019-01-04 | 2020-07-09 | 维沃移动通信有限公司 | Method and device for uplink positioning in unconnected state |
-
2009
- 2009-09-02 CN CN200910171658A patent/CN101656912A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223601B (en) * | 2011-06-09 | 2017-04-12 | 中兴通讯股份有限公司 | Location service method and system, and terminal |
| CN102223601A (en) * | 2011-06-09 | 2011-10-19 | 中兴通讯股份有限公司 | Location service method and system, and terminal |
| CN102917304B (en) * | 2011-08-04 | 2017-06-16 | 南京中兴软件有限责任公司 | The report method and its terminal of a kind of location information |
| CN102917304A (en) * | 2011-08-04 | 2013-02-06 | 中兴通讯股份有限公司 | Positioning information reporting method and terminal thereof |
| CN102711042B (en) * | 2012-06-07 | 2015-08-12 | 哈尔滨海能达科技有限公司 | Group system mobile location method and equipment, positional information method for uploading and equipment |
| US9494689B2 (en) | 2012-06-07 | 2016-11-15 | Harbin Hytera Technology Corp., Ltd | Mobile station locating method and device and location information uploading method and device for cluster system |
| CN102711042A (en) * | 2012-06-07 | 2012-10-03 | 哈尔滨海能达科技有限公司 | Mobile station positioning method and equipment, and position information uploading method and equipment for trunking system |
| EP3361758A1 (en) * | 2017-02-10 | 2018-08-15 | Harris Corporation | Wireless ptt communication system with enhanced location reporting and related devices and methods |
| US10560815B2 (en) | 2017-02-10 | 2020-02-11 | Harris Corporation | Wireless PTT communication system with enhanced location reporting and related devices and methods |
| US10560814B2 (en) | 2017-02-10 | 2020-02-11 | Harris Corporation | Wireless PTT communication system with enhanced location reporting and related devices and methods |
| US10567927B2 (en) | 2017-02-10 | 2020-02-18 | Harris Corporation | Wireless PTT communication system with enhanced location reporting and related devices and methods |
| AU2017261612B2 (en) * | 2017-02-10 | 2020-09-10 | L3Harris Technologies, Inc. | Wireless ptt communication system with enhanced location reporting and related devices and methods |
| CN108235736A (en) * | 2017-12-25 | 2018-06-29 | 深圳前海达闼云端智能科技有限公司 | Positioning method, cloud server, terminal, system, electronic device and computer program product |
| CN108235736B (en) * | 2017-12-25 | 2021-11-16 | 达闼机器人有限公司 | Positioning method, cloud server, terminal, system, electronic device and computer program product |
| WO2020140668A1 (en) * | 2019-01-04 | 2020-07-09 | 维沃移动通信有限公司 | Method and device for uplink positioning in unconnected state |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1799271B (en) | Method for providing location dependent services to user | |
| EP2040446B1 (en) | System for leaving and retrieving messages | |
| US6259923B1 (en) | Method for providing cell location service | |
| CN1784910B (en) | Providing location service in wireless communications network using indication of whether the location service is emergency-related location service or law enforcement-related location service | |
| CN101656912A (en) | Mobile terminal positioning method and system | |
| FI108771B (en) | A method for sending a message to a mobile station | |
| US20030162557A1 (en) | Method for processing information associated with disaster | |
| CN103348709A (en) | Method in a UE, a network node and a client node in a wireless communications network | |
| AU2133800A (en) | Methods and apparatus for transferring position data between terminals in wireless communications systems | |
| KR20070026861A (en) | Geographical location information sharing among wireless devices | |
| CN101622886A (en) | Method and apparatus for WLAN location services | |
| US20060121917A1 (en) | Method and system for providing location information service of mobile communication system | |
| CN101212774A (en) | System and method for obtaining location of public transit facility with personal handheld telephone system | |
| CN101536594A (en) | Standalone positioning in 3G UMTS systems by using embedded or external GPS chipset | |
| CN100359969C (en) | Method for realizing regional dispatch in grouped system | |
| US7013148B1 (en) | Method for providing a current location of a wireless communication device | |
| KR20100122922A (en) | Method and system for improving the positioning system performance during continuous positioning procedure | |
| CN107071728A (en) | A kind of method of locating terminal and device | |
| US9020533B1 (en) | Location services | |
| CN100386978C (en) | A warning system and method of many mobile communication terminals' the old and weak people lost | |
| EP1243151A1 (en) | Method and system for assisting mobile telecommunication terminal users | |
| KR100619837B1 (en) | A method and a apparatus of supplying regional emergency alert message for mobile phone | |
| KR100627738B1 (en) | Method for Arrival Notification Service by Using Mobile Terminal | |
| EP2249614A1 (en) | Method and apparatus for locating and assistant locating in a phs network | |
| KR100750056B1 (en) | System for alarming when arriving at a predefined destination and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100224 |