CN100584095C - Method and system for positioning mobile terminal - Google Patents

Method and system for positioning mobile terminal Download PDF

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Publication number
CN100584095C
CN100584095C CN200710003321A CN200710003321A CN100584095C CN 100584095 C CN100584095 C CN 100584095C CN 200710003321 A CN200710003321 A CN 200710003321A CN 200710003321 A CN200710003321 A CN 200710003321A CN 100584095 C CN100584095 C CN 100584095C
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China
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sub
portable terminal
district
position information
correspondence position
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Expired - Fee Related
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CN200710003321A
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CN101031144A (en
Inventor
王强
李勤
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN200710003321A priority Critical patent/CN100584095C/en
Publication of CN101031144A publication Critical patent/CN101031144A/en
Priority to PCT/CN2008/000082 priority patent/WO2008095399A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Abstract

The method comprises: at network side, setting the location information corresponding to the cell in the cell information; when mobile terminal interacts information with network side, the location information of the cell where the mobile terminal locates at is transmitted to the mobile terminal.

Description

A kind of mobile terminal locating method and system
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of mobile terminal locating method and system.
Background technology
Develop rapidly along with wireless communication system, the mobile subscriber is more and more many, different mobile subscribers has nothing in common with each other to the requirement of wireless communication system, portable terminal is located this function and is used by increasing people, use also more and more widely, become a kind of very important function in the existing wireless communications system.
In the existing wireless communications system, the portable terminal positioning service needs user or locating terminal to initiate when needed, and the stationkeeping ability of network based system and portable terminal, the residing geographical environment of portable terminal or the like factor selects different location technologies that portable terminal is positioned.These location technologies all have the delay of certain hour without exception.And in the reality, the mobile subscriber often wishes the position of knowing oneself that energy is real-time, for example when out on tours, during newly to a strange city, the mobile subscriber often wishes the Position Approximate of knowing oneself (such as Nanshan District, Shenzhen) that energy is real-time, in this case, the mobile subscriber requires lower to locating accuracy, but the convenience that the real-time and the positional information of portable terminal positioning service are obtained but has higher requirement.
The position fixing process of existing scheme may further comprise the steps as shown in Figure 1:
Step 101, mobile positioning center (MPC) are initiated ISPOSREQ message to mobile switching centre (MSC), require the location of certain destination mobile terminal (MS) initiation based on cell ID (CI Cell Identity);
Step 102, this portable terminal of MSC paging;
Comparatively be typically in this scheme and adopt the triangle location algorithm, the time delay of (BS) is to be determined to the distance of each BS to the base station need to gather portable terminal by pilot measurement, and the number of times of pilot measurement is that pilot measurement is counted.MSC judges that the pilot measurement counting is 0 (perhaps carrying the pilot measurement counting) in this step, need not to initiate to measure, and finds portable terminal at Idle state, this portable terminal of paging.
Step 103, BS be this portable terminal of paging on paging channel;
Step 104, portable terminal respond on access channel;
Step 105, BS send to MSC with being received within the page response in complete layer 3 message; The current service CELLID of Tape movement terminal wherein
Step 106, MSC return the isposreq location response to MPC after determining portable terminal place subdistrict position;
Step 107, MSC send clear command message to BS, discharge terminal resource; Be 09 in the cause value, expression normally discharges;
Step 108, BS notice portable terminal discharge;
Step 109, portable terminal return the release response message;
Step 110, BS notice MSC remove and finish.
In the technique scheme, network element MPC is the controlled entity of a location, is used for communicating by letter with MSC and initiates and control the whole process of location.As shown in Figure 2, be a CDMA location logic networking schematic diagram, general position fixing process all is to initiate from LCS, and LCS tells that MPC wants certain portable terminal is positioned, MPC finds the MSC at the current place of portable terminal, to the MSC request certain portable terminal is positioned.MSC couples together portable terminal and MSC for location assignment Traffic Channel, and portable terminal begins to collect locator data (pilot frequency information or GPS information) and these information are delivered to PDE by MSC then.PDE calculates the current geographical position of portable terminal according to these data, and the result is sent to MPC, and MPC finally tells LCS.
Finish the location according to such scheme, the mobile network environment demand is comparatively complicated, need the MPC entity, because this MPC entity is not an existing network element among the mobile network, if large-area use, then need to change the existing communication network equipment and connect, must need to drop into substantial contribution, and can greatly influence the stability of communication network.In addition, according to the described flow process localisation of mobile terminals of above-mentioned Fig. 1, the professional excessive cycle that provides, this also can have influence on mobile subscriber's experience.
Summary of the invention
The embodiment of the invention provides a kind of mobile terminal locating method and system, in order to solve the portable terminal location that exists in the prior art need the MPC position determining entity finish the location problem.
The inventive method embodiment comprises:
A kind of mobile terminal locating method comprises:
Sub-district correspondence position information is set in moving exchanging center MSC, and when portable terminal and described MSC interactive information, described MSC is according to portable terminal place cell information, and the sub-district correspondence position information of sub-district, portable terminal place is sent to described portable terminal.
A kind of mobile terminal locating method comprises:
Sub-district correspondence position information is set in base station BS, and when portable terminal and described BS interactive information, described BS is according to portable terminal place cell information, and the sub-district correspondence position information of sub-district, portable terminal place is sent to described portable terminal.
System embodiment of the present invention comprises:
A kind of mobile terminal location system comprises:
Sub-district correspondence position information setting unit is positioned at moving exchanging center MSC, is used at cell information sub-district correspondence position information being set;
Sub-district correspondence position information transmitting unit is positioned at described MSC, is used for when described MSC receives the interactive information of portable terminal, and the sub-district correspondence position information that sends sub-district, described portable terminal place is to described portable terminal.
A kind of mobile terminal location system is characterized in that, comprising:
Sub-district correspondence position information setting unit is positioned at base station BS, is used at cell information sub-district correspondence position information being set;
Sub-district correspondence position information transmitting unit is positioned at described BS, when described BS receives the interactive information of portable terminal, the sub-district correspondence position information of sub-district, described portable terminal place is sent to described portable terminal.
The embodiment of the invention need not newly-increased network entity, saves network construction cost, has brought the mode of more friendly real-time location to the user, satisfies user's low precision location requirement.
Description of drawings
Fig. 1 is a portable terminal positioning flow schematic diagram in the prior art;
Fig. 2 is for providing the schematic network structure of portable terminal positioning service in the prior art;
Fig. 3 is the schematic diagram of embodiment of the invention mobile terminal location system;
Fig. 4 is positioned at the system configuration schematic diagram of MSC for embodiment of the invention sub-district correspondence position information setting unit;
Fig. 5 is positioned at the system configuration schematic diagram of BS for embodiment of the invention sub-district correspondence position information setting unit;
Fig. 6 is the schematic flow sheet of the embodiment of the invention one;
Fig. 7 is the schematic flow sheet of the embodiment of the invention two;
Fig. 8 is the schematic flow sheet of the embodiment of the invention three;
Fig. 9 is the schematic flow sheet of the embodiment of the invention four;
Figure 10 is the schematic flow sheet of the embodiment of the invention five;
Figure 11 is the schematic flow sheet of the embodiment of the invention six;
Figure 12 is the schematic flow sheet of the embodiment of the invention seven.
Embodiment
Below in conjunction with Figure of description the specific embodiment of the invention is described.
As shown in Figure 3, be the schematic diagram of embodiment of the invention mobile terminal location system, comprise network equipments such as BS, MSC in this system configuration, summarize so that network side is unified in an embodiment.
The embodiment of the invention is on the said system basis, increase sub-district correspondence position information setting unit is set, be positioned at network side, be used for sub-district correspondence position information being set at the network side cell information, when portable terminal and network side interactive information, network side sends to portable terminal with the sub-district correspondence position information of sub-district, portable terminal place.
Cell information is in some data of network side configuration, and configuration is all arranged on MSC and BS, and a MSC must dispose all cell informations that it covers, and a BS then disposes the cell id of distributing to it.These information are string number for MSC, such as: 3100300010020 is cellular global identity (CGI, Cell Global Identity), (wherein 310 is national codes, represents this sub-district is at which country to identify a sub-district in the world; The 03rd, network number is exactly 03 such as CHINAUNICOM; The 0001st, the lane place is a bigger zone, has generally covered the scope of a plurality of base stations; The 002nd, the basic station number below this big zone, the longitude and latitude of BS is will determine in the network planning; Last 0 is a sector number).Owing to during the portable terminal connecting system, must insert from certain BS, so BS just takes the CI of oneself to MSC when inserting, just 0020.
The embodiment of the invention is in the network side cell information, and increase is provided with sub-district correspondence position information, and when portable terminal and network side interactive information, network side sends to portable terminal with the sub-district correspondence position information of sub-district, portable terminal place.
In the such scheme, sub-district correspondence position information can be described sub-district corresponding region title and/or described sub-district corresponding geographical location information.For example the BS of 3100300010020 these CGI correspondences is arranged on the Tian'anmen Square, and when network side disposed this sub-district, the name that just can increase the sub-district simultaneously was called " Tian'anmen Square ", and longitude is: east longitude XXX degree, latitude are north latitude YYY degree.Like this, need only portable terminal in the Tian'anmen Square and network side interactive information, network side just can be known the CI of sub-district, the current place of portable terminal, thereby knows the geographical position and the latitude and longitude information at portable terminal place.
Also be provided with sub-district correspondence position information transmitting unit in the embodiment of the invention, be used for when portable terminal and network side interactive information, according to the sub-district correspondence position information of sub-district correspondence position information setting unit sets, the sub-district correspondence position information of sub-district, portable terminal place is sent to portable terminal.
In the such scheme, sub-district correspondence position information setting unit can be arranged at the BS of network side, also can be arranged at the MSC of network side; Described sub-district correspondence position information transmitting unit equally also can be positioned at the BS of network side, also can be arranged at the MSC of network side, describes respectively below.
As shown in Figure 4, it is the system configuration schematic diagram that sub-district correspondence position information setting unit and sub-district correspondence position information transmitting unit are positioned at BS, as seen from the figure, described sub-district correspondence position information setting unit is positioned at BS, be used for described sub-district correspondence position information being set at the cell information of BS, when portable terminal and BS interactive information, sub-district correspondence position information transmitting unit sends to described portable terminal with the sub-district correspondence position information of sub-district, described portable terminal place.
As shown in Figure 5, it is the system configuration schematic diagram that sub-district correspondence position information setting unit and sub-district correspondence position information transmitting unit are positioned at MSC, as seen from the figure, described sub-district correspondence position information setting unit is positioned at MSC, be used for sub-district correspondence position information being set at the cell information of MSC, when portable terminal and MSC interactive information, sub-district correspondence position information transmitting unit sends to portable terminal with the sub-district correspondence position information of sub-district, described portable terminal place.
Present embodiment only provides the situation that is positioned at BS and MSC, and sub-district correspondence position information setting unit that is increased and sub-district correspondence position information transmitting unit also can be arranged in the network element of other network sides, even can be arranged on network side separately, as long as can finish corresponding function.
On this basis, embodiments of the invention also are provided with a portable terminal CAMEL-Subscription-Information judging unit, be used to judge the whether signatory positioning service of portable terminal, when portable terminal and MSC interactive information, MSC is according to described portable terminal positioning service CAMEL-Subscription-Information, and the sub-district correspondence position information of sub-district, portable terminal place is sent to portable terminal.This portable terminal CAMEL-Subscription-Information judging unit can be positioned at MSC, also can be positioned at other positions of network side, and concrete scheme can be decided according to the actual requirements.
Adopt the mobile terminal locating method of the embodiment of the invention, sub-district correspondence position information is set in the network side cell information earlier.When portable terminal and network side interactive information, network side sends to portable terminal with the sub-district correspondence position information of sub-district, portable terminal place.
In the such scheme, portable terminal and network side information mutual, multiple situation can be arranged, comprise portable terminal directly in network side request position information, mobile terminal position updating flow process with network side interactive information, mobile terminal calling process in the network side interactive information, when portable terminal is called and network side interactive information etc., in this explanation for example that differs.Both can utilize between portable terminal and the BS the mutual information of contact to finish the sub-district correspondence position information of obtaining sub-district, portable terminal place in the such scheme, such as utilizing interacting message existing between portable terminal and the BS, the obtaining of the sub-district correspondence position information of sub-district, triggering mobile terminals place.Also can expand such message specially, utilize this special-purpose message to ask the sub-district correspondence position information of sub-district, portable terminal place.Be the mobile terminal locating method that example illustrates the embodiment of the invention with different flow processs respectively below.
Embodiment one
As shown in Figure 6, obtain the schematic flow sheet of positional information when being portable terminal and BS interactive information, network side is provided with described sub-district correspondence position information at BS, and when portable terminal and BS interactive information, BS sends to portable terminal with the sub-district correspondence position information of sub-district, described portable terminal place.
As seen from the figure, mainly may further comprise the steps:
Step 601, portable terminal send a request message to BS, the location information of cell of request sub-district, portable terminal place;
Step 602, BS send to portable terminal with described sub-district correspondence position information.
BS obtains described sub-district correspondence position information, and carries in response message according to configuration information, sends to portable terminal.
Portable terminal obtains described sub-district correspondence position information in described response message, and makes subsequent treatment (viewing area title or extraction longitude and latitude etc.).
Embodiment two
Network side can be provided with sub-district correspondence position information at MSC, and when portable terminal and MSC interactive information, MSC sends to portable terminal with the sub-district correspondence position information of sub-district, described portable terminal place.
Portable terminal, as shown in Figure 7, mainly may further comprise the steps to the sub-district of sub-district, network side request place correspondence position information by request message:
Step 701, portable terminal send a request message to BS, the sub-district correspondence position information of request sub-district, portable terminal place;
Step 702, BS transmit described request message to MSC;
In this scheme, BS does not store sub-district correspondence position information, need obtain described sub-district correspondence position information from MSC.
Step 703, MSC obtain described sub-district correspondence position information, and carry in response message according to configuration information, send to BS;
Step 704, BS send to portable terminal with described sub-district correspondence position information.
Portable terminal obtains described sub-district correspondence position information in described response message, and makes subsequent treatment, (viewing area title or extraction longitude and latitude etc.).
Embodiment three
In embodiment two, MSC does not distinguish information of mobile terminal, portable terminal to all request position information all provides described sub-district correspondence position information, also can adopt MSC to judge according to the portable terminal CAMEL-Subscription-Information whether portable terminal has the right to obtain the scheme for the treatment of with a certain discrimination of sub-district correspondence position information, if shown in 8, be the schematic flow sheet of this scheme, as seen from the figure, mainly may further comprise the steps:
Step 801, portable terminal send a request message to BS, the sub-district correspondence position information of request sub-district, portable terminal place;
Step 802, BS transmit described request message to MSC;
Step 803, MSC judge according to described portable terminal CAMEL-Subscription-Information whether described portable terminal has the right to obtain described sub-district correspondence position information;
In this step, judged result is that described portable terminal has the right to obtain described sub-district correspondence position information.
The described portable terminal positioning service message of contracting is obtained from HLR by described MSC, one of can be in the following way or combination:
MSC is by location registers/more new technological process obtains the signatory positioning service message of portable terminal;
MSC obtains the signatory positioning service message of portable terminal by qualification request flow process;
MSC obtains the signatory positioning service message of portable terminal by qualification indication flow process.
The portable terminal CAMEL-Subscription-Information generally all is placed among the HLR, MSC can obtain the CAMEL-Subscription-Information of portable terminal by the location registers flow process, and (portable terminal can periodically send message to network, guarantee where network knows portable terminal, such as the mobile subscriber from Beijing to Shenzhen, portable terminal can be registered in Shenzhen, the MSC meeting in Shenzhen and the HLR that the mobile subscriber opens an account get in touch, inform that this portable terminal of described HLR has roamed into Shenzhen, like this as to the calling of this portable terminal the time, network always arrives first the position that HLR that the mobile subscriber opens an account goes to obtain its current place).In the time of location registers, HLR will tell MSC the CAMEL-Subscription-Information of portable terminal.In addition, qualification indication flow process (HLR initiatively tell that this portable terminal of MSC contracted which business) and qualification request (MSC asks HLR to tell the CAMEL-Subscription-Information of own portable terminal) flow process can obtain the CAMEL-Subscription-Information of portable terminal equally.
Step 804, MSC obtain described sub-district correspondence position information, and carry in response message according to configuration information, send to BS;
Step 805, BS send to portable terminal with described sub-district correspondence position information.
Embodiment four
As shown in Figure 9, be that portable terminal passes through position more new technological process and MSC interactive information, obtain the schematic flow sheet of sub-district correspondence position information, as seen from the figure, mainly may further comprise the steps:
Step 901, portable terminal are initiated the position and are upgraded, and send registration message Registration Message to BS;
As long as portable terminal is at open state, will initiate the position to MSC upgrades, the triggering reason that portable terminal initiates to upgrade the position has multiple: the timer expiry of portable terminal, start, shutdown, parameter change or the distance between the sub-district of mobile phone current area and registration last time surpass thresholding etc., this shows that in fact to do the requirement that the frequency that upgrades the position satisfies coarse location be enough to portable terminal.
Step 902, BS send position updating request Location Updating Request message to MSC, and notice MSC upgrades the current position of portable terminal;
The sub-district, place reported to MSC with CI when BS initiated the position renewal according to portable terminal.This CI is a numbering of giving it when BS is installed, and is one 4 numeral.
Step 903, MSC send the position renewal to BS and accept Location Updating Accept message, carry the sub-district correspondence position information of sub-district, portable terminal place;
MSC detects this portable terminal coarse location of having contracted, after finishing general position renewal processing, according to the CGI query configuration data of sub-district, the current place of portable terminal, obtain described sub-district correspondence position information, and be added in the Location Updating Accept message and send to BS.
MSC can dispose all CGI in configuration, behind the acquisition CI, just take this 4 bit digital to go coupling, obtains CGI, thereby determines the sub-district at the current place of portable terminal in the world.
Step 904, BS send registration and take orders Registration Accepted Order message to portable terminal, and portable terminal obtains the sub-district correspondence position information of sub-district, portable terminal place and does subsequent applications processing (viewing area title or extraction longitude and latitude etc.) from described message.
Embodiment five
As shown in figure 10, be portable terminal by call flow and network side interactive information, obtain the schematic flow sheet of the sub-district correspondence position information of sub-district, portable terminal place, as seen from the figure, mainly may further comprise the steps:
Step 1001, portable terminal make a call, and send Origination Message message to BS;
Step 1002, BS send Cm Service Request message to MSC, wherein carry the CI of sub-district, the current place of portable terminal.
Step 1003, MSC add described sub-district correspondence position information in the Assignment Request message to and send to BS;
MSC detects the contracted positioning service of the embodiment of the invention of this portable terminal, except that finishing the normal call proceeding, before carrying out Traffic Channel Assignment, CGI according to sub-district, the current place of portable terminal, the query configuration data obtain sub-district correspondence position information and are added in the Assignment Request message sending to BS.
In this scheme, can not detect yet, and all provide this positioning service, determine by operator to all mobile subscribers.
Step 1004, BS send channel assignment message to portable terminal.
Portable terminal obtains the corresponding geography information in sub-district of sub-district, current place and does subsequent applications processing (viewing area title or extraction longitude and latitude etc.) from message.
Embodiment six
Do called scene for portable terminal, similar situation is arranged, BS can give MSC by the CI of sub-district, the current place of Tape movement terminal in page response (PagineResponse) message, MSC can carry the sub-district correspondence position information of sub-district, the current place of portable terminal equally and give portable terminal in Assignment Request message.As shown in figure 11, be the schematic flow sheet that portable terminal makes to obtain when called sub-district correspondence position information, as seen from the figure, mainly may further comprise the steps:
Step 1101, MSC send paging request (Paging Request) to BS;
Step 1102, BS be the paging called mobile terminal on control channel;
After step 1103, called mobile terminal are received paging, respond;
Step 1104, BS return page response (Paging Response) message; Tape movement terminal place Serving cell CI in the message;
Step 1105, MSC are except that finishing normal call proceeding, before carrying out Traffic Channel Assignment, CGI according to sub-district, the current place of portable terminal, the query configuration data obtain described sub-district correspondence position information (zone name or longitude and latitude etc.) and are added in the Assignment Request message sending to BS.
Step 1106, BS send channel assignment message to portable terminal.
Portable terminal obtains the sub-district correspondence position information of sub-district, current place and does subsequent applications processing (viewing area title or extraction longitude and latitude etc.) from message.
After step 1107, the intact Traffic Channel of BS assignment, send assignment and finish (Assignment Complete) message to MSC.
Embodiment seven
When portable terminal carries out the position renewal, can take the CI of sub-district, own place to MSC, finish the position more behind the new technological process, MSC is issued to BS with described sub-district correspondence position information structuring notification message, and finally being delivered to portable terminal, portable terminal can show the information of current region when each location registers like this.As shown in figure 12, be the schematic flow sheet of this scheme, as seen from the figure, mainly may further comprise the steps:
Step 1201, portable terminal send position updating request to BS, carry the CI of sub-district, the current place of portable terminal in described position updating request;
Step 1202, BS transmit described position updating request to MSC;
Step 1203, MSC send the position to BS and upgrade response;
Step 1204, BS send described position to portable terminal and upgrade response, and end position is new technological process more;
Step 1205, MSC are issued to BS according to described CI with this sub-district correspondence position information structuring notification message;
Step 1206, BS send to portable terminal with described notification message.
Portable terminal can show the sub-district correspondence position information of sub-district, current place when each location registers, upgrade the back in the position and stop the short time.
The such scheme of the embodiment of the invention need not increase network entity, saves network construction cost, has brought the mode of more friendly real-time location to the mobile subscriber, satisfies the low precision location requirement of portable terminal.Need not to increase GPS equipment at mobile terminal side, realize that the location can not increase the power consumption of mobile phone, increases the cost of portable terminal hardly.
The such scheme of the embodiment of the invention provides real-time coarse positioning function, and whether operator can control by signatory mode and real-time coarse positioning service is provided and collect corresponding cost for portable terminal.Provide the technical threshold of service lower simultaneously, the network for GSM, PHS etc. itself does not have the hi-Fix ability can provide coarse positioning service by the technical scheme that the embodiment of the invention is described equally.
Among the present invention program, utilize between portable terminal and the BS the mutual information of contact to finish the sub-district correspondence position information of obtaining sub-district, portable terminal place, the requirement that its frequency satisfies coarse location is enough.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (12)

1, a kind of mobile terminal locating method is characterized in that, comprising:
At moving exchanging center MSC sub-district correspondence position information is set, when portable terminal and described MSC interactive information, described MSC is according to portable terminal place cell information, and the sub-district correspondence position information of sub-district, portable terminal place is sent to described portable terminal.
2, the method for claim 1 is characterized in that, described MSC inquires about described network side cell information according to the cellular global identity CGI of sub-district, the current place of mobile subscriber, obtains described sub-district correspondence position information.
3, method as claimed in claim 2 is characterized in that, described MSC obtains described CGI according to the cell ID CI that base station BS reports.
4, the method for claim 1, it is characterized in that, described MSC also comprises before the sub-district correspondence position information of sub-district, described portable terminal place is sent to portable terminal, and described MSC judges the whether qualified described sub-district correspondence position information of obtaining of described portable terminal according to the signatory positioning service message of portable terminal.
5, method as claimed in claim 4 is characterized in that, the described portable terminal positioning service message of contracting is obtained from attaching position register HLR by described MSC, one of in the following way or combination:
MSC is by location registers/more new technological process obtains the signatory positioning service message of portable terminal;
MSC obtains the signatory positioning service message of portable terminal by qualification request flow process;
MSC obtains the signatory positioning service message of portable terminal by qualification indication flow process.
As any described method of claim 1 to 5, it is characterized in that 6, described MSC sends to portable terminal with the sub-district correspondence position information of sub-district, described portable terminal place, comprising:
MSC sends to BS with the sub-district correspondence position information of sub-district, described portable terminal place;
BS sends to portable terminal with the sub-district correspondence position information of sub-district, described portable terminal place.
7, the method for claim 1 is characterized in that, described sub-district correspondence position information is described sub-district corresponding region title and/or described sub-district corresponding geographical location information.
8, a kind of mobile terminal locating method is characterized in that, comprising:
At base station BS described sub-district correspondence position information is set; When portable terminal and described BS interactive information, described BS sends to described portable terminal with the sub-district correspondence position information of sub-district, described portable terminal place.
9, method as claimed in claim 8 is characterized in that, described sub-district correspondence position information is described sub-district corresponding region title and/or described sub-district corresponding geographical location information.
10, a kind of mobile terminal location system is characterized in that, comprising:
Sub-district correspondence position information setting unit is positioned at moving exchanging center MSC, is used at cell information sub-district correspondence position information being set;
Sub-district correspondence position information transmitting unit is positioned at described MSC, is used for when described MSC receives the interactive information of portable terminal, and the sub-district correspondence position information that sends sub-district, described portable terminal place is to described portable terminal.
11, system as claimed in claim 10 is characterized in that, also comprises:
Whether signatory portable terminal CAMEL-Subscription-Information judging unit when described MSC receives the interactive information of portable terminal, be used to judge the positioning service of described portable terminal, and the CAMEL-Subscription-Information of described portable terminal sent to described MSC.
12, a kind of mobile terminal location system is characterized in that, comprising:
Sub-district correspondence position information setting unit is positioned at base station BS, is used at cell information sub-district correspondence position information being set;
Sub-district correspondence position information transmitting unit is positioned at described BS, when described BS receives the interactive information of portable terminal, the sub-district correspondence position information of sub-district, described portable terminal place is sent to described portable terminal.
CN200710003321A 2007-02-02 2007-02-02 Method and system for positioning mobile terminal Expired - Fee Related CN100584095C (en)

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PCT/CN2008/000082 WO2008095399A1 (en) 2007-02-02 2008-01-11 A position method and system for mobile terminal

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