CN103763773A

CN103763773A - Method and device for locating mobile terminal

Info

Publication number: CN103763773A
Application number: CN201410043627.5A
Authority: CN
Inventors: 楼小平; 张民
Original assignee: Datang Mobile Communications Equipment Co Ltd
Current assignee: Datang Mobile Communications Equipment Co Ltd
Priority date: 2014-01-29
Filing date: 2014-01-29
Publication date: 2014-04-30
Anticipated expiration: 2034-01-29
Also published as: CN103763773B

Abstract

The invention relates to wireless communication technologies, and discloses a method and device for locating a mobile terminal. According to the scheme, when the distance is determined, a unit TA distance related to a terminal model ID, a cell ID and an AOA value is determined according to the association relationship between stored terminal model IDs and related unit TA distances, the association relationship between stored cell IDs and the related unit TA distances and the association relationship between stored AOA values and the related unit TA distances, in other words, the unit TA distance is related to the terminal model ID, the cell ID of a cell wherein the mobile terminal is located and the AOA value in the cell. Therefore, geographical location information of the mobile terminal is calculated according to the determined unit TA distance, locating accuracy can be improved, and the defect that in the prior art, accuracy is low is overcome.

Description

A kind of localization method of mobile terminal and device

Technical field

The present invention relates to wireless communication technology, relate in particular to a kind of localization method and device of mobile terminal.

Background technology

At present, along with the development of mobile communication technology and the growth of business demand, the positioning service based on mobile terminal locations is more and more.Service based on location relates to the numerous areas such as traffic, logistics, public security, emergency and daily life, and numerous business such as navigation, logistics management, transport information, schedule can be provided, and therefore, applies very extensive.

In prior art, localization method mainly contains following several: CELL ID(Identity, sign) localization method, OTDOA(Observe Time Difference of Arrival, the observable time of advent is poor) localization method, A-GPS(Assisted Global Positioning System, agps system) localization method, and for TD-SCDMA(Time Division Synchronized Code Division Multiple Access, TD SDMA) the distinctive TA(Timing Advance of system, time advance)+AOA(Angle of Arrival, arrive angle) localization method.

Wherein, referring to Fig. 1, for TA+AOA localization method, the method is mainly utilized the parameters such as AOA, TA, the TA of unit distance, carries out the position calculation of mobile terminal, and concrete position fixing process is as follows:

Steps A: Node B determines UE(User Equipment, mobile terminal by smart antenna) AOA that transmits;

Step B:Node B determines that by AOA UE is on the ray take Node B as starting point, and the angle that this ray is rotated counterclockwise from direct north is AOA;

Step C:Node B receives the TA that UE reports, and the TA of the TA unit of being multiplied by distance is drawn to the distance between UE and Node B;

Step D:Node B determines the position of UE according to AOA and distance.

In the process of above-mentioned realization location, the TA of unit distance is definite value, can be along with the difference of UE model, or the difference of UE community of living in and changing, for example, the UE of 35895204 models is 300 meter per seconds in the TA of unit of a certain position distance, and the UE of 32475204 models is 200 meter per seconds in the TA of unit of this position distance., still, in current position fixing process, the TA of the unit distance of the UE of 35895204 models and the UE of 32475204 models is identical, and is definite value, can be along with the difference of UE model, or the difference of UE community of living in and changing, therefore, there is the defect that accuracy is lower in above-mentioned localization method.

Summary of the invention

The embodiment of the present invention provides a kind of method and device of locating terminal, in order to solve the lower defect of accuracy existing in prior art.

A method for locating terminal, comprising:

Obtain terminal models sign ID, the community ID of terminal community of living in of the terminal of terminal to report, arrival angle value AOA value and the time advance TA value of present position;

According to community ID, determine the geographical location information of the serving BS of community of living in;

From the incidence relation of terminal models ID, the community ID of storage and AOA value and the associated TA of unit distance, determine the unit TA distance associated with terminal models ID, community ID and AOA value homogeneous phase, wherein, the TA of unit distance is for characterizing terminal that associated terminal models ID is corresponding when the residing angle value in community corresponding to associated community ID is associated AOA value, the distance of movement in the unit interval;

By the product of TA value and the TA of unit distance, as the distance between terminal and serving BS, and according to the geographical location information of serving BS, distance and AOA value, determine the geographical location information of terminal.

A device for locating terminal, comprising:

Acquiring unit, for obtaining terminal models sign ID, the community ID of terminal community of living in, arrival angle value AOA value and the time advance TA value of present position of terminal of terminal to report;

The first determining unit, for determining the geographical location information of the serving BS of community of living according to community ID;

The second determining unit, incidence relation for terminal models ID, community ID from storage and AOA value with the associated TA of unit distance, determine the unit TA distance associated with terminal models ID, community ID and AOA value homogeneous phase, wherein, the TA of unit distance is for characterizing terminal that associated terminal models ID is corresponding when the residing angle value in community corresponding to associated community ID is associated AOA value, the distance of movement in the unit interval;

The 3rd determining unit, for by the product of TA value and the TA of unit distance, as the distance between terminal and serving BS, and determines the geographical location information of terminal according to the geographical location information of serving BS, distance and AOA value.

In actual applications, the TA of unit changes along with the difference of terminal models apart from meeting, also can change along with the difference of terminal community of living in, but in current TA+AOA localization method, the TA of unit distance is definite value, can not change along with the difference of terminal models, also can not change along with the difference of terminal community of living in, therefore, there is the problem that accuracy is lower in current TA+AOA localization method, and in the embodiment of the present invention, determine apart from time, the first terminal models ID from storing, in the incidence relation of community ID and AOA value and the associated TA of unit distance, determine and terminal models ID, the TA of the unit distance of community ID and the association of AOA value homogeneous phase, that is to say, the TA of unit distance and terminal models ID, the community ID of community of living in, AOA value in Ji community is related, therefore, according to the TA of unit determining, apart from the geographical location information of computing terminal, can improve the accuracy of location, avoided the defect that accuracy of the prior art is lower.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of TA+AOA localization method in prior art;

Fig. 2 A is a kind of method flow diagram of locating terminal in the embodiment of the present invention;

Fig. 2 B is the schematic diagram that embodiment of the present invention small area AOA value range is divided;

Fig. 3 is a kind of embodiment of locating terminal in the embodiment of the present invention;

Fig. 4 is the illustrative view of functional configuration of the device of locating terminal in the embodiment of the present invention.

Embodiment

For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.

In addition, term " system " and " network " are often used interchangeably in this article herein.Term "and/or" herein, is only a kind of incidence relation of describing affiliated partner, and expression can exist three kinds of relations, and for example, A and/or B, can represent: individualism A exists A and B, these three kinds of situations of individualism B simultaneously.In addition, alphabetical "/" herein, generally represents that forward-backward correlation is to liking a kind of relation of "or".

In order to solve the lower problem of accuracy of the locating terminal existing in prior art, in the embodiment of the present invention, a kind of method and device of locating terminal are proposed, in this scheme, under determining terminal and community, place during the distance of serving BS, the first terminal models ID from storing, in the incidence relation of community ID and AOA value and the associated TA of unit distance, determine and terminal models ID, the TA of the unit distance of community ID and the association of AOA value homogeneous phase, that is to say, the TA of unit distance and terminal models ID, the community ID of community of living in, AOA value in Ji community is related, therefore, according to the TA of unit determining, apart from the geographical location information of computing terminal, can improve the accuracy of location, avoided the defect that accuracy of the prior art is lower.

Below in conjunction with Figure of description, the preferred embodiment of the present invention is elaborated, be to be understood that, preferred embodiment described herein is only for description and interpretation the present invention, be not intended to limit the present invention, and in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.

Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is elaborated.

Consult shown in Fig. 2 A, in the embodiment of the present invention, the detailed process of locating terminal is as follows:

Step 200: obtain the terminal models ID of the terminal of terminal to report, the community ID of terminal community of living in, AOA value and the TA value of present position;

Step 210: the geographical location information of determining the serving BS of community of living according to community ID;

Step 220: from the incidence relation of terminal models ID, the community ID of storage and AOA value and the associated TA of unit distance, determine the unit TA distance associated with terminal models ID, community ID and AOA value homogeneous phase, wherein, the TA of unit distance is for characterizing terminal that associated terminal models ID is corresponding when the residing angle value in community corresponding to associated community ID is associated AOA value, the distance of movement in the unit interval;

Step 230: by the product of TA value and the TA of unit distance, as the distance between terminal and serving BS, and determine the geographical location information of terminal according to the geographical location information of serving BS, distance and AOA value.

In the embodiment of the present invention, obtain the terminal models sign ID of the terminal of terminal to report, community ID, the arrival angle value AOA value of present position and the mode of time advance TA value of terminal community of living in has multiple, for example, receive RNC(Radio Network Controller, radio network controller) send carry CDL(Call Detail Log, call detail record) signal of file, and according to the AOA value of the community ID of the terminal models ID of CDL file acquisition terminal, terminal community of living in, present position and TA value; Again for example, from TD-SCDMA signaling platform, obtain.

, in actual application, also there is other multiple implementations in above-mentioned just two embodiment, at this, describes in detail no longer one by one.

In the embodiment of the present invention, each incidence relation comprises terminal models ID, community ID, AOA value, the TA of unit distance, wherein, the TA of this unit distance corresponding TA of unit distance when angle is the geographical position of AOA value in community corresponding to terminal Gai community ID corresponding to terminal models ID.

For example, the first TA of unit distance 1 and first terminal model ID, the first community ID, an AOA value are associated; The first TA of unit distance 2 and the second terminal models ID, the second community ID, the 2nd AOA value are associated; The first TA of unit distance 3 and third terminal model ID, San community ID, the 3rd AOA value are associated, and incidence relation comprises that the first TA of unit is apart from 1, and the corresponding relation of first terminal model ID, the first community ID, an AOA value; The first TA of unit distance 2, and the corresponding relation of the second terminal models ID, the second community ID, the 2nd AOA value; The first TA of unit distance 3, and the corresponding relation of third terminal model ID, San community ID, the 3rd AOA value, table 1 is incidence relation table.

Table 1 incidence relation table

The TA of unit distance

Terminal models ID

Community ID

AOA value

The first TA of unit distance 1	First terminal model ID	The first community ID	The one AOA value
				The first TA of unit distance 2	First terminal model ID	The second community ID	The 2nd AOA value
The first TA of unit distance 3	First terminal model ID	San community ID	The 3rd AOA value

In the embodiment of the present invention, the TA of unit distance is for characterizing terminal that associated terminal models ID is corresponding when the residing angle value in community corresponding to associated community ID is associated AOA value, the distance moving in unit interval, wherein, unit interval does not refer to second, and refers to the minimum value unit of TA, is 1/8chip, the span of TA is (0,63).

In the embodiment of the present invention, according to following operation, generate the incidence relation of terminal models ID, the community ID of storage and AOA value and the associated TA of unit distance:

Obtain switching cell event information;

Wherein, any one switches the front TA value in the first community ID, switching cell of the first community of living in before the 2nd AOA value after the front AOA value in terminal models ID, switching cell, switching cell that event information comprises the terminal of switching cell, switching cell;

For switching cell event corresponding to any switching cell event information, carry out respectively following operation:

According to the 2nd AOA value behind an AOA value, switching cell before switching cell, determine the geographical location information of terminal corresponding to this switching cell event;

According to the first community ID, determine the geographical location information of first service base station under the first community;

According to the geographical location information of the geographical location information of terminal and first service base station, determine the first distance between first service base station;

The first distance is generated to the first TA of unit distance divided by a TA value, and generate the incidence relation of terminal models ID, the first community ID, an AOA value and first TA of the unit distance of terminal.

The implementation of the first TA of unit distance of the AOA value correspondence of above-mentioned community ID and the switching cell community, front place that just provides terminal models ID, community, front place, switching cell, in like manner, the implementation that can also draw the second TA of unit distance corresponding to the AOA value of community, place behind the community ID of community, place behind terminal models ID, switching cell and switching cell, operates as follows:

Obtain switching cell event information;

Wherein, the 2nd TA value behind any one the second community ID that switches the second community of living in behind the 2nd AOA value after the front AOA value in terminal models ID, switching cell, switching cell that event information comprises the terminal of switching cell, switching cell, switching cell;

According to the second community ID, determine the geographical location information of second service base station under the second community;

According to the geographical location information of the geographical location information of terminal and second service base station, determine the second distance between second service base station;

Second distance is generated to the second TA of unit distance divided by the 2nd TA value, and generate the incidence relation of terminal models ID, the second community ID, the 2nd AOA value and second TA of the unit distance of terminal.

In actual applications, terminal periodic reports AOA value, for example, cycle is 8s, before switching cell, there are multiple AOA values, in order to improve the accuracy of geographical location information of the terminal of determining, in the embodiment of the present invention, the AOA value that the one AOA value reports for the last time for terminal before switching cell, for example, terminal is carried out community switching at 9, the AOA value reporting for the last time before switching cell for terminal for 55 seconds for 59 minutes for 8 o'clock, now, the AOA value that terminal reported at 8 o'clock for 59 minutes 55 seconds is just an AOA value; The AOA value that the 2nd AOA value reports first for terminal behind switching cell, for example, terminal is carried out community switching at 9, the AOA value reporting first behind switching cell for terminal for 9: 05 seconds, now, the AOA value that terminal reported at 9: 05 seconds is just the 2nd AOA value.

In like manner, in actual applications, terminal periodic reports TA value, for example, the cycle is 8s, has multiple TA values before switching cell, in order to improve the accuracy of geographical location information of the terminal of determining, in the embodiment of the present invention, the TA value that a TA value reports for the last time for terminal before switching cell, for example, terminal is carried out community switching at 9, the TA value reporting for the last time before switching cell for terminal for 55 seconds for 59 minutes for 8 o'clock, now, the TA value that terminal reported at 8 o'clock for 59 minutes 55 seconds is just a TA value.The TA value that the 2nd TA value reports first for terminal behind switching cell, for example, terminal is carried out community switching at 9, the TA value reporting first behind switching cell for terminal for 9: 05 seconds, now, the TA value that terminal reported at 9: 05 seconds is just the 2nd TA value.

Certainly, in actual applications, handover event information can also be other guide, at this, no longer describes in detail.

In order to save memory space, the efficiency of the raising TA of the unit of determining distance from the incidence relation of storage, in the embodiment of the present invention, from the incidence relation of terminal models ID, the community ID of storage and AOA value and the associated TA of unit distance, determine the unit TA associated with terminal models ID, community ID and AOA value homogeneous phase apart from time, can be following mode:

From the incidence relation of terminal models ID, the community ID of storage and default AOA value range and the associated TA of unit distance, definite unit TA distance associated with terminal models ID, community ID and AOA value homogeneous phase.

Now, according to following operation, generate the incidence relation of terminal models ID, the community ID of storage and default AOA value range and the associated TA of unit distance;

Obtain switching cell event information;

Wherein, the front TA value in the first community ID, switching cell of the first community of living in before the 2nd AOA value, switching cell behind any switching cell event information comprises the terminal of switching cell the front AOA value in terminal models ID, switching cell, switching cell;

According to the geographical location information of the geographical location information of terminal and first service base station, determine the first distance between first service base station, and the first distance is generated to the first TA of unit distance divided by a TA value;

Determine the whole first unit TA distances of any terminal of switching generation community within the scope of each default AOA of the first community;

Whole the first TA of unit are obtained to the first average TA of unit distance apart from sum divided by the number of the first TA of unit distance, and generate the incidence relation of terminal models ID, the first community ID, AOA value range and the first average TA of unit distance.

For example, as shown in Figure 2 B, by the first community B be divided into 36 sector region A1, A2, A3 ..., A36, wherein, A1, A2, A3 ..., A36 respectively corresponding AOA value range be AOA1, AOA2, AOA3 ..., AOA36, there is altogether switching cell event 10 times, at the A1 of community B sector region, there is switching cell event 2 times in terminal 1, these 2 switching cell events respectively corresponding the first TA of unit distance are 600 meters/chip, 500 meters/chip, and the first average unit TA of terminal 1 in the AOA1 of community B value range is apart from being 550 meters/chip; At the A3 of community B sector region, there is switching cell event 5 times in terminal 1, these 5 switching cell events respectively corresponding the first TA of unit distance are 600 meters/chip, 500 meters/chip, 700 meters/chip, 500 meters/chip, 800 meters/chip, and the first average unit TA of terminal 1 in the AOA3 of community B value range is apart from being 620 meters/chip; At the A1 of community B sector region, there is switching cell event 1 time in terminal 2, this 1 switching cell event respectively the first TA of unit distance of correspondence is 600 meters/chip, and the first average unit TA distance of terminal 1 in the AOA1 of community B value range is 600 meters/chip; At the A6 of community B sector region, there is switching cell event 2 times in terminal 3, these 2 switching cell events respectively corresponding the first TA of unit distance are 1600 meters/chip, 1800 meters/chip, and the first average unit TA of terminal 3 in the AOA6 of community B value range is apart from being 1700 meters/chip.

Now, 550 meters/chip of the first average TA of unit distance is associated with community ID, the AOA1 of terminal models ID, the community B of terminal 1; The first 620 meters of the average TA of unit distances are associated with community ID, the AOA3 of terminal models ID, the community B of terminal 1; 600 meters/chip is associated with community ID, the AOA1 of terminal models ID, the community B of terminal 2 for the first average TA of unit distance; 1700 meters/chip is associated with community ID, the AOA6 of terminal models ID, the community B of terminal 3 for the first average TA of unit distance; Incidence relation comprises 550 meters/chip, and the community ID of the terminal models ID of terminal 1, community B, the corresponding relation of AOA1; 620 meters/chip, and the community ID of the terminal models ID of terminal 1, community B, the corresponding relation of AOA3; 600 meters/chip, and the community ID of the terminal models ID of terminal 2, community B, the corresponding relation of AOA1,1700 meters/chip, and the community ID of the terminal models ID of terminal 3, community B, the corresponding relation of AOA6, table 2 is incidence relation table.

Table 2 incidence relation table

The average TA of unit distance	Terminal models ID	Community ID	AOA value range
				550 meters/chip	The terminal models ID of terminal 1	The community ID of community B	AOA1
620 meters/chip	The terminal models ID of terminal 1	The community ID of community B	AOA3
				600 meters/chip	The terminal models ID of terminal 2	The community ID of community B	AOA1
1700 meters/chip	The terminal models ID of terminal 3	The community ID of community B	AOA6

Said process is the incidence relation that generates the unit TA distance corresponding with switching residing the first community of front terminal, in like manner, similar with said process, while generating the incidence relation of terminal models ID, community ID and AOA value range and the associated TA of unit distance, can generate terminal models ID, switch after the incidence relation of the community ID of the second community and AOA value range and the associated TA of unit distance, concrete operations are as follows:

Obtain switching cell event information;

Wherein, the 2nd TA value behind the second community ID of the second community of living in, switching cell behind the 2nd AOA value, switching cell behind any switching cell event information comprises the terminal of switching cell the front AOA value in terminal models ID, switching cell, switching cell;

According to the geographical location information of the geographical location information of terminal and second service base station, determine the first distance between second service base station, and second distance is generated to the second TA of unit distance divided by the 2nd TA value;

Determine the whole second unit TA distances of any terminal of switching generation community within the scope of each default AOA of the second community;

Whole the second TA of unit are obtained to the second average TA of unit distance apart from sum divided by the number of the second TA of unit distance, and generate the incidence relation of terminal models ID, the second community ID, AOA value range and the second average TA of unit distance.

In order to understand better the embodiment of the present invention, below provide concrete application scenarios, for the process of locating terminal, make and describing in further detail, specifically as shown in Figure 3:

Step 300: according to the switching cell event information obtaining, generate the incidence relation of terminal models ID, community ID and AOA value and the associated TA of unit distance;

Step 310: obtain the community 1ID of terminal models ID, the community, place 1 of the terminal 1 that terminal 1 reports, be that 45 °, TA value are 30chip in the AOA of community 1 value;

Step 320: the geographical location information of determining community 1 affiliated serving BS 1 according to the community 1ID of community 1;

Step 330: from the incidence relation of terminal models ID, the community ID of storage and AOA value and the associated TA of unit distance, the associated TA of unit of terminal models ID, the community 1ID of definite and terminal 1 and 45 ° of homogeneous phases is apart from being 300 meters/chip;

Step 340: be that 30chip, the TA of unit distance is that to determine terminal 1 be 9000 meters/chip with the distance of serving BS 1 to 300 meter per seconds according to TA value;

Step 350: be 9000 meters according to the geographical location information of serving BS 1, terminal 1 with the distance of serving BS 1, and terminal 1 is 45 ° of the AOA of community 1 values, determines the geographical location information of terminal 1.

Based on technique scheme, to consult shown in Fig. 4, the embodiment of the present invention provides a kind of device for locating terminal, and device comprises acquiring unit 40, the first determining unit 41, the second determining unit 42, the 3rd determining unit 43, wherein,

Acquiring unit 40, for obtaining terminal models ID, the community ID of terminal community of living in, AOA value and the TA value of present position of terminal of terminal to report;

The first determining unit 41, for determining the geographical location information of the serving BS of community of living according to community ID;

The second determining unit 42, incidence relation for terminal models ID, community ID for from storage and AOA value with the associated TA of unit distance, determine the unit TA distance associated with terminal models ID, community ID and AOA value homogeneous phase, wherein, the TA of unit distance is for characterizing terminal that associated terminal models ID is corresponding when the residing angle value in community corresponding to associated community ID is associated AOA value, the distance of movement in the unit interval;

The 3rd determining unit 43, for for by the product of TA value and the TA of unit distance, as the distance between terminal and serving BS, and determines the geographical location information of terminal according to the geographical location information of serving BS, distance and AOA value.

Preferably, in the embodiment of the present invention, acquiring unit 40 specifically for:

Receive the signal that carries CDL file that RNC sends;

According to the AOA value of the community ID of the terminal models ID of CDL file acquisition terminal, terminal community of living in, present position and TA value.

Further, in the embodiment of the present invention, this device also comprises incidence relation generation unit 44, the incidence relation for terminal models ID, community ID for generate storage according to following operation and AOA value with the associated TA of unit distance;

Obtain switching cell event information;

Further, in the embodiment of the present invention, incidence relation generation unit 44, also for generating the incidence relation of terminal models ID, the community ID of storage and AOA value and the associated TA of unit distance according to following operation;

Obtain switching cell event information;

Preferably, in the embodiment of the present invention, the second determining unit 42 specifically for:

Further, incidence relation generation unit 44, also for generating the incidence relation of terminal models ID, the community ID of storage and default AOA value range and the associated TA of unit distance according to following operation;

Obtain switching cell event information;

In sum, in the embodiment of the present invention, determine apart from time, the first terminal models ID from storing, in the incidence relation of community ID and AOA value and the associated TA of unit distance, determine and terminal models ID, the TA of the unit distance of community ID and the association of AOA value homogeneous phase, that is to say, the TA of unit distance and terminal models ID, the community ID of community of living in, AOA value in Ji community is related, therefore, according to the TA of unit determining, apart from the geographical location information of computing terminal, can improve the accuracy of location, avoided the defect that accuracy of the prior art is lower.

The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction of carrying out by the processor of computer or other programmable data processing device is produced for realizing the device in the function of flow process of flow chart or multiple flow process and/or a square frame of block diagram or multiple square frames.

These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.

These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.

Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the modification of the scope of the invention.

Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the embodiment of the present invention the embodiment of the present invention.Like this, if within these of the embodiment of the present invention are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.

Claims

1. a method for locating terminal, is characterized in that, comprising:

Obtain terminal models sign ID, the community ID of described terminal community of living in of the described terminal of terminal to report, arrival angle value AOA value and the time advance TA value of present position;

According to described community ID, determine the geographical location information of the serving BS of described community of living in;

From the incidence relation of terminal models ID, the community ID of storage and AOA value and the associated TA of unit distance, determine the unit TA distance associated with described terminal models ID, described community ID and described AOA value homogeneous phase, wherein, the described TA of unit distance is for characterizing terminal that associated terminal models ID is corresponding when the residing angle value in community corresponding to associated community ID is associated AOA value, the distance of movement in the unit interval;

By the product of described TA value and the described TA of unit distance, as the distance between described terminal and described serving BS, and according to the geographical location information of described serving BS, described distance and described AOA value, determine the geographical location information of described terminal.

2. the method for claim 1, is characterized in that, obtains terminal models sign ID, the community ID of described terminal community of living in of the described terminal of terminal to report, arrival angle value AOA value and the time advance TA value of present position, specifically comprises:

Receive the signal that carries call detail record CDL file that radio network controller (RNC) sends;

According to AOA value and the TA value of the community ID of the terminal models ID of terminal described in described CDL file acquisition, described terminal community of living in, present position.

3. method as claimed in claim 1 or 2, is characterized in that, generates the incidence relation of terminal models ID, the community ID of described storage and AOA value and the associated TA of unit distance according to following operation;

Obtain switching cell event information;

According to the 2nd AOA value behind an AOA value, described switching cell before described switching cell, determine the geographical location information of terminal corresponding to this switching cell event;

According to described the first community ID, determine the geographical location information of first service base station under described the first community;

According to the geographical location information of the geographical location information of described terminal and described first service base station, determine the first distance between described first service base station;

Described the first distance is generated to the first TA of unit distance divided by a described TA value, and generate the incidence relation of terminal models ID, the first community ID, an AOA value and described first TA of the unit distance of described terminal.

4. method as claimed in claim 1 or 2, is characterized in that, generates the incidence relation of terminal models ID, the community ID of described storage and AOA value and the associated TA of unit distance according to following operation;

Obtain switching cell event information;

According to described the second community ID, determine the geographical location information of second service base station under described the second community;

According to the geographical location information of the geographical location information of described terminal and described second service base station, determine the second distance between described second service base station;

Described second distance is generated to the second TA of unit distance divided by described the 2nd TA value, and generate the incidence relation of terminal models ID, the second community ID, the 2nd AOA value and described second TA of the unit distance of described terminal.

5. the method for claim 1, it is characterized in that, from the incidence relation of terminal models ID, the community ID of storage and AOA value and the associated TA of unit distance, definite unit TA distance associated with described terminal models ID, described community ID and described AOA value homogeneous phase, specifically comprises:

From the incidence relation of terminal models ID, the community ID of storage and default AOA value range and the associated TA of unit distance, definite unit TA distance associated with described terminal models ID, described community ID and described AOA value homogeneous phase.

6. method as claimed in claim 5, is characterized in that, generates the incidence relation of terminal models ID, the community ID of described storage and default AOA value range and the associated TA of unit distance according to following operation;

Obtain switching cell event information;

According to the geographical location information of the geographical location information of described terminal and described first service base station, determine the first distance between described first service base station, and described the first distance is generated to the first TA of unit distance divided by a described TA value;

Determine the whole first unit TA distances of any terminal of switching generation community within the scope of each default AOA of described the first community;

Described whole the first TA of unit are obtained to the first average TA of unit distance apart from sum divided by the number of the first TA of unit distance, and generate the incidence relation of terminal models ID, the first community ID, AOA value range and the described first average TA of unit distance.

7. the method as described in claim 5 or 6, is characterized in that, generates the incidence relation of terminal models ID, the community ID of described storage and default AOA value range and the associated TA of unit distance according to following operation;

Obtain switching cell event information;

According to the geographical location information of the geographical location information of described terminal and described second service base station, determine the first distance between described second service base station, and described second distance is generated to the second TA of unit distance divided by described the 2nd TA value;

Determine the whole second unit TA distances of any terminal of switching generation community within the scope of each default AOA of described the second community;

Described whole the second TA of unit are obtained to the second average TA of unit distance apart from sum divided by the number of the second TA of unit distance, and generate the incidence relation of terminal models ID, the second community ID, AOA value range and the described second average TA of unit distance.

8. a device for locating terminal, is characterized in that, comprising:

Acquiring unit, for obtaining terminal models sign ID, the community ID of described terminal community of living in, arrival angle value AOA value and the time advance TA value of present position of described terminal of terminal to report;

The first determining unit, for determining the geographical location information of the serving BS of described community of living according to described community ID;

The second determining unit, incidence relation for terminal models ID, community ID from storage and AOA value with the associated TA of unit distance, determine the unit TA distance associated with described terminal models ID, described community ID and described AOA value homogeneous phase, wherein, the described TA of unit distance is for characterizing terminal that associated terminal models ID is corresponding when the residing angle value in community corresponding to associated community ID is associated AOA value, the distance of movement in the unit interval;

The 3rd determining unit, be used for the product of described TA value and the described TA of unit distance, as the distance between described terminal and described serving BS, and according to the geographical location information of described serving BS, described distance and described AOA value, determine the geographical location information of described terminal.

9. device as claimed in claim 8, is characterized in that, described acquiring unit specifically for:

10. device as claimed in claim 8 or 9, is characterized in that, also comprises incidence relation generation unit, for generate the incidence relation of terminal models ID, the community ID of described storage and AOA value and the associated TA of unit distance according to following operation;

Obtain switching cell event information;

11. devices as claimed in claim 8 or 9, is characterized in that, described incidence relation generation unit, also for generating the incidence relation of terminal models ID, the community ID of described storage and AOA value and the associated TA of unit distance according to following operation;

Obtain switching cell event information;

12. devices as claimed in claim 8, is characterized in that, described the second determining unit specifically for:

13. devices as claimed in claim 12, is characterized in that, described incidence relation generation unit, also for generating the incidence relation of terminal models ID, the community ID of described storage and default AOA value range and the associated TA of unit distance according to following operation;

Obtain switching cell event information;

14. devices as described in claim 12 or 13, is characterized in that, described incidence relation generation unit, also for generating the incidence relation of terminal models ID, the community ID of described storage and default AOA value range and the associated TA of unit distance according to following operation;

Obtain switching cell event information;