CN103354660A - Positioning method and device based on signal intensity in mobile communication network - Google Patents

Abstract

The present invention provides a positioning method and device based on signal intensity in a mobile communication network. Measurement information of a terminal to be positioned is matched with characteristic information in a signal characteristic database so as to obtain a piece of characteristic information matching with the measurement information, such that the geographical position information of the terminal to be positioned can be determined by the matched characteristic information, and the positioning of the terminal to be positioned is completed. The method provided by the invention requires no addition in hardware or software of the terminal to be positioned, and is not limited by the functions of the terminal to be positioned, thereby being applicable in the positioning of any terminal to be positioned, and having a wide application range.

Description

The localization method of signal strength signal intensity and device in the movement-based communication network

Technical field

The present invention relates to the communication technology, relate in particular to localization method and the device of signal strength signal intensity in a kind of movement-based communication network.

Background technology

Along with the development of wireless communication technology and the raising of data-handling capacity, location-based service becomes one of the most potential mobile Internet business, no matter under indoor or outdoor environment, obtain rapidly and accurately the positional information of portable terminal and provide the demand of location-based service to become day by day urgent.

Available technology adopting global positioning system (Global Positioning System, hereinafter to be referred as: GPS) locate mode, the GPS locate mode is a kind of locate mode based on terminal, it relies on the built-in GPS module of portable terminal to send Location Request to satellite, satellite is carried out positioning action, the built-in GPS module of portable terminal receives the framing signal that satellite sends, thereby finishes the location.

Yet, the method for employing prior art, portable terminal must dispose the GPS module that communicates function with satellite, for the portable terminal that does not possess the GPS module, then can't adopt the method for prior art that it is positioned, therefore, the localization method of prior art is of limited application.

Summary of the invention

The invention provides localization method and the device of signal strength signal intensity in a kind of movement-based communication network, to enlarge the range of application of location.

First aspect present invention provides the localization method of signal strength signal intensity in a kind of movement-based communication network, comprising:

Obtain the metrical information of terminal to be positioned, described metrical information comprises the first signal intensity of the sign ID of the first service residential quarter of described terminal to be positioned, described first service residential quarter, the ID of N the first adjacent cell and the secondary signal intensity of described N the first adjacent cell, wherein, N 〉=1;

Mate according to the metrical information of described terminal to be positioned and each characteristic information in the signal characteristic database, obtain the characteristic information with described metrical information coupling;

Determine the geographical location information of described terminal to be positioned according to the characteristic information of described coupling;

Wherein, comprise at least one characteristic information in the described signal characteristic database, every characteristic information comprises ID, the 3rd signal strength signal intensity of described second service residential quarter, the ID of M the second adjacent cell and the 4th signal strength signal intensity of described M the second adjacent cell that geographical location information reaches the second service residential quarter corresponding with described geographical location information, wherein, M 〉=1.

The present invention provides the positioner of signal strength signal intensity in a kind of movement-based communication network on the other hand, comprising:

Acquisition module, be used for obtaining the metrical information of terminal to be positioned, described metrical information comprises the first signal intensity of the sign ID of the first service residential quarter of described terminal to be positioned, described first service residential quarter, the ID of N the first adjacent cell and the secondary signal intensity of described N the first adjacent cell, wherein, N 〉=1;

Matching module is used for mating according to the metrical information of described terminal to be positioned and each characteristic information of signal characteristic database, obtains the characteristic information that is complementary with described metrical information;

Processing module is for the geographical location information of determining described terminal to be positioned according to the characteristic information of described coupling;

Wherein, comprise at least one characteristic information in the described signal characteristic database, every characteristic information comprises ID, the 3rd signal strength signal intensity of described second service residential quarter, the ID of M the second adjacent cell and the 4th signal strength signal intensity of described M the second adjacent cell that geographical location information reaches the second service residential quarter corresponding with described geographical location information, wherein, M 〉=1.

Localization method and the device of signal strength signal intensity in the movement-based communication network provided by the invention, by mating according to the metrical information of terminal to be positioned and each characteristic information in the signal characteristic database, obtain the characteristic information with the metrical information coupling, determine the geographical location information of terminal to be positioned according to the characteristic information of coupling, realized treating the location of locating terminal, the method does not need the newly-increased any hardware of terminal to be positioned or software module, be not subjected to the limit of functions of terminal to be positioned, therefore, can realize the location to any terminal to be positioned, have wide range of applications.

Description of drawings

Fig. 1 is the schematic flow sheet that the present invention is based on the localization method embodiment one of signal strength signal intensity in the mobile communications network;

Fig. 2 is the schematic flow sheet that the present invention is based on the localization method embodiment two of signal strength signal intensity in the mobile communications network;

Fig. 3 is the structural representation that the present invention is based on the positioner embodiment one of signal strength signal intensity in the mobile communications network;

Fig. 4 is the structural representation that the present invention is based on the positioner embodiment two of signal strength signal intensity in the mobile communications network.

Embodiment

Develop rapidly along with the communication technology, the function of portable terminal is day by day variation also, existing localization method all can only be applied to have the portable terminal of specific function, for example, the GPS localization method, the GPS module that must have portable terminal just can realize the location to portable terminal, be of limited application, the present invention is just in order to address this problem, localization method and the device of signal strength signal intensity in a kind of movement-based communication network are provided, the core concept of the localization method of signal strength signal intensity is to mate by the metrical information of mobile terminal reporting and each characteristic information in the signal characteristic database in the movement-based communication network, the characteristic information that acquisition is complementary, to determine the geographical location information of terminal to be positioned according to the characteristic information that is complementary, thereby the location that locating terminal is treated in realization, localization method of the present invention does not need the hardware of portable terminal is improved, and therefore, it has wide range of applications.

The below is described in detail technical scheme of the present invention with several specific embodiments.

Fig. 1 is the schematic flow sheet that the present invention is based on the localization method embodiment one of signal strength signal intensity in the mobile communications network, the executive agent of this enforcement can be a locating module that is integrated in the network management system, it also can be an independently locating module, the present invention is not restricted this, as shown in Figure 1, the method for the present embodiment comprises:

S101: the metrical information of obtaining terminal to be positioned.

Wherein, the metrical information of terminal to be positioned comprises: the sign (Identity of the first service residential quarter of terminal to be positioned, hereinafter to be referred as: ID), the first signal intensity of first service residential quarter, the ID of N the first adjacent cell and the secondary signal intensity of N the first adjacent cell, wherein, N 〉=1.

More specifically, the ID of first service residential quarter refer to described terminal to be positioned main Serving cell ID, the first signal intensity of first service residential quarter refers to that described terminal to be positioned receives the intensity of the signal of main base station in service sector; The ID of N the first adjacent cell refer to receive the strongest top n auxiliary serving cell of signal ID, the secondary signal intensity of N the first adjacent cell refers to that terminal to be positioned receives the intensity of the signal of N auxiliary serving cell base station.

In existing communication standard, terminal will report the one-shot measurement report to network every 480ms in communication process, the content of measurement report comprises all the elements of metrical information in this step, therefore, measurement report that can be by obtaining terminal to report to be positioned from the abis interface is to obtain the metrical information of terminal to be positioned, the communication interface of abis interface base station controller and base station transceiver interstation.

S102: mate according to the metrical information of terminal to be positioned and each characteristic information in the signal characteristic database, obtain the characteristic information with the metrical information coupling;

Wherein, comprise at least one characteristic information in the signal characteristic database, every characteristic information comprises ID, the 3rd signal strength signal intensity of second service residential quarter, the ID of M the second adjacent cell and the 4th signal strength signal intensity of M the second adjacent cell that geographical location information reaches the second service residential quarter corresponding with geographical location information, wherein, M 〉=1.

Characteristic information in the signal characteristic database is that the data statistics by the mobile terminal reporting with positioning function obtains.

Particularly, mate according to the metrical information of terminal to be positioned and each characteristic information in the signal characteristic database, the characteristic information that acquisition is complementary comprises the steps:

Step 1: first tabulation of obtaining the ID of second service residential quarter in the signal characteristic database characteristic information identical with the ID of the first service residential quarter of terminal to be positioned.

Step 2: obtain the ID of the second adjacent cell is identical with the ID of the first adjacent cell of terminal to be positioned in the first tabulation quantity and tabulate greater than second of the characteristic information of preset value.

All the ID with the first service residential quarter of terminal to be positioned is identical for the ID of the second service residential quarter of every characteristic information in the second tabulation that gets access to by step 1 and step 2, and the ID of the M of every characteristic information the second adjacent cell quantity identical with the ID of the first adjacent cell of terminal to be positioned is greater than preset value.

The size of preset value is decided according to practical application, and general preset value is larger, and the characteristic information in the second tabulation is fewer, and characteristic information is more similar to the metrical information of terminal to be positioned, and the efficient of coupling is higher.

S103: the geographical location information of determining terminal to be positioned according to the characteristic information of coupling.

As determining the feasible implementation of the first of the geographical location information of terminal to be positioned according to the characteristic information of coupling: specifically comprise the steps:

Step 1: obtain the Euclidean distance between each characteristic information in the metrical information of terminal to be positioned and the second tabulation.

Particularly, the 3rd signal strength signal intensity of each characteristic information is mutually corresponding signal strength signal intensity in the first signal intensity of determining terminal to be positioned and the second tabulation;

If the ID of second adjacent cell identical with the ID of the first adjacent cell of terminal to be positioned is arranged in the second tabulation, then determine the first adjacent cell secondary signal intensity and the 4th signal strength signal intensity of the second adjacent cell identical described in the second tabulation be mutual corresponding signal strength signal intensity.Namely with the 4th signal strength signal intensity of the second identical with the first adjacent cell in the secondary signal intensity of the first adjacent cell of terminal to be positioned and the second tabulation adjacent cell as mutual corresponding signal strength signal intensity.

Because the ID of M second adjacent cell of every characteristic information in the second tabulation quantity identical with the ID of the first adjacent cell of terminal to be positioned is greater than preset value, therefore, the situation that has in the second tabulation not the ID of second adjacent cell identical with the ID of the first adjacent cell corresponding to the secondary signal signal strength signal intensity of terminal to be positioned, in this case, the secondary signal intensity of determining the first adjacent cell is mutually corresponding signal strength signal intensity with a default value, default value is generally the minimum signal strength value that terminal to be positioned can receive, and is generally-110dBm.

Determined the first signal intensity, secondary signal intensity of terminal to be positioned and the first signal intensity in the second tabulation and secondary signal intensity, and the corresponding relation of default value after, then for every characteristic information in the second tabulation, according to each mutual weight coefficient of corresponding signal strength signal intensity in the metrical information of terminal to be positioned and the characteristic information, the weighted sum of the first Euclidean distance in the metrical information of obtaining described terminal to be positioned and the described characteristic information between each mutual corresponding signal strength signal intensity.Wherein, comprise the weight coefficient of signal strength signal intensity of mutual correspondence of first signal intensity greater than the weight coefficient of the signal strength signal intensity of the mutual correspondence that comprises secondary signal intensity.The evolution of determining each weighted sum is the Euclidean distance between each characteristic information during the metrical information and second of terminal to be positioned is tabulated.

Obtain the process of Euclidean distance for clearer description, the below is illustrated, the ID that supposes the first service residential quarter of terminal to be positioned is ID0, the first signal intensity of first service residential quarter is P0, N gets 5 among the ID of N the first adjacent cell, be respectively ID01, ID02, ID03, ID04, ID05, the secondary signal intensity of the first adjacent cell of 5 the first adjacent cells is respectively P01, P02, P03, P04, P05, comprise 3 characteristic informations in the second tabulation, be respectively characteristic information 1, characteristic information 2, characteristic information 3, wherein, the ID of the second service residential quarter in the characteristic information 1 is ID1, and the 3rd signal strength signal intensity of second service residential quarter is P1, and M gets 5 among the ID of M the second adjacent cell, to calculate for convenient herein, the value of M equates with the value of N, and certainly, the value of M also can be unequal with the value of N, the ID of 5 the second adjacent cells is respectively ID11, ID12, ID13, ID14, ID15, the signal strength signal intensity of 5 the first adjacent cells is respectively P11, P12, P13, P14, P15; The ID of the second service residential quarter in the characteristic information 2 is ID2, the 3rd signal strength signal intensity of second service residential quarter is P2, M gets 5 among the ID of M the second adjacent cell, the ID of 5 the second adjacent cells is respectively ID21, ID22, ID23, ID24, ID25, and the signal strength signal intensity of 5 the first adjacent cells is respectively P21, P22, P23, P24, P25; The ID of the second service residential quarter in the characteristic information 3 is ID3, the 3rd signal strength signal intensity of second service residential quarter is P3, M gets 5 among the ID of M the second adjacent cell, the ID of 5 the second adjacent cells is respectively ID31, ID32, ID33, ID34, ID35, and the signal strength signal intensity of 5 the first adjacent cells is respectively P31, P32, P33, P34, P35.

The metrical information table 1 of terminal to be decided to be:

ID0

P0

ID01

ID02

ID03

ID04

ID05

P01

P02

P03

P04

P05

The second tabulation table 2:

Wherein, ID0 and ID1, ID2, ID3 are identical, ID01 and ID11, ID22, ID32 are identical, ID03 and ID14, ID25, ID35 are identical, ID04 and ID13, ID24, ID34 are identical, then obtain characteristic information 1 in the metrical information of terminal to be positioned and the second tabulation between the formula of Euclidean distance S1 as follows:

$S1=\sqrt{\begin{array}{c}\mathrm{\α}10{|P0-P1|}^2+\mathrm{\α}11{|P01-P11|}^2+\mathrm{\α}12{|P03-P14|}^2+\mathrm{\α}13{|P04-P13|}^2\\ +\mathrm{\α}14{|P02-A|}^2+\mathrm{\α}15{|P05-A|}^2\end{array}}$

Wherein, A is default value, α 10, α 11, α 12, α 13, α 14, α 15 are weight coefficient, the numerical value of α 10 is greater than other weight coefficient, the weight coefficient of the signal strength signal intensity of other mutual correspondence and each mutually the first adjacent cell corresponding to secondary signal intensity and the distance dependent of first service residential quarter in corresponding signal strength signal intensity, nearer apart from the first service residential quarter, weight coefficient is larger, far away apart from the first service residential quarter, weight coefficient is less.

Obtain characteristic information 2 in the metrical information of terminal to be positioned and the second tabulation between the formula of Euclidean distance S2 as follows:

$S2=\sqrt{\begin{array}{c}\mathrm{\α}20{|P0-P2|}^2+\mathrm{\α}21{|P01-P22|}^2+\mathrm{\α}22{|P03-P25|}^2+\mathrm{\α}23{|P04-P24|}^2\\ +\mathrm{\α}24{|P02-A|}^2+\mathrm{\α}25{|P05-A|}^2\end{array}}$

Wherein, A is default value, and α 20, α 21, α 22, α 23, α 24, α 25 are weight coefficient, and the numerical value of α 20 is greater than other weight coefficient.The weight coefficient of the signal strength signal intensity of other mutual correspondence and each mutually the first adjacent cell corresponding to secondary signal intensity and the distance dependent of first service residential quarter in corresponding signal strength signal intensity, nearer apart from the first service residential quarter, weight coefficient is larger, far away apart from the first service residential quarter, weight coefficient is less.

Obtain characteristic information 3 in the metrical information of terminal to be positioned and the second tabulation between the formula of Euclidean distance S3 as follows:

$S3=\sqrt{\begin{array}{c}\mathrm{\&alpha;}30{|P0-P2|}^2+\mathrm{\&alpha;}31{|P01-\mathrm{<figure-callout\; id="32"\; label="P"\; filenames="HDA00003388297900022.png"\; state="\{\{state\}\}">P</figure-callout>}32|}^2+\mathrm{\&alpha;}32{|P03-P35|}^2+\mathrm{\&alpha;}33{|P04-\mathrm{<figure-callout\; id="34"\; label="P"\; filenames="HDA00003388297900022.png"\; state="\{\{state\}\}">P</figure-callout>}34|}^2\\ +\mathrm{\&alpha;}34{|P02-A|}^2+\mathrm{\&alpha;}35{|P05-A|}^2\end{array}}$

Wherein, A is default value, and α 30, α 31, α 32, α 33, α 34, α 35 are weight coefficient, and the numerical value of α 30 is greater than other weight coefficient.The weight coefficient of the signal strength signal intensity of other mutual correspondence and each mutually the first adjacent cell corresponding to secondary signal intensity and the distance dependent of first service residential quarter in corresponding signal strength signal intensity, nearer apart from the first service residential quarter, weight coefficient is larger, far away apart from the first service residential quarter, weight coefficient is less.

Table 1 and table 2 are not limited to the storage format of the characteristic information in the signal characteristic database of the present invention only for illustrating.

Step 2: determine that the geographical location information in the minimum euclidean distance characteristic of correspondence information is as the geographical location information of terminal to be positioned in the Euclidean distance.

With the example that is exemplified as in the step 2, suppose that S1 is minimum among S1, S2, the S3, determine that then the geographical location information in the characteristic information 1 is the geographical location information of terminal to be positioned.

As the feasible implementation of the second of determining the geographical location information of terminal to be positioned according to the characteristic information that is complementary, different from the feasible implementation of the first is, step 1 and step 2 available step 1 ' and step 2 in the feasible implementation of the first ' substitute, wherein, step 1 ': obtain the manhatton distance between each characteristic information in the metrical information of terminal to be positioned and the second tabulation, step 2 ': determine that the geographical location information in the minimum manhatton distance characteristic of correspondence information is as the geographical location information of terminal to be positioned in the manhatton distance; Still the example in the step 1 is as example, obtains in the metrical information of terminal to be positioned and the second tabulation formula of manhatton distance S1', the S2' between each characteristic information and S3' as follows:

S1'=α10'|P0-P1|+α11'|P01-P11|+α12'|P03-P14|+α13'|P04-P13|

+α14'|P02-A|+α15'|P05-A|

Wherein, A is default value, and α 10', α 11', α 12', α 13', α 14', α 15' are weight coefficient, and the numerical value of α 10' is greater than other weight coefficient.The weight coefficient of the signal strength signal intensity of other mutual correspondence and each mutually the first adjacent cell corresponding to secondary signal intensity and the distance dependent of first service residential quarter in corresponding signal strength signal intensity, nearer apart from the first service residential quarter, weight coefficient is larger, far away apart from the first service residential quarter, weight coefficient is less.

S2'=α20'|P0-P2|+α21'|P01-P22|+α22'|P03-P25|+α23'|P04-P24|

+α24'|P02-A|+α25'|P05-A|

Wherein, A is default value, and α 20', α 21', α 22', α 23', α 24', α 25' are weight coefficient, and the numerical value of α 20' is greater than other weight coefficient.The weight coefficient of the signal strength signal intensity of other mutual correspondence and each mutually the first adjacent cell corresponding to secondary signal intensity and the distance dependent of first service residential quarter in corresponding signal strength signal intensity, nearer apart from the first service residential quarter, weight coefficient is larger, far away apart from the first service residential quarter, weight coefficient is less.

S3'=α30'|P0-P2|+α31'|P01-P32|+α32'|P03-P35|+α33'|P04-P34|

+α34'|P02-A|+α35'|P05-A|

Wherein, A is default value, and α 30', α 31', α 32', α 33', α 34', α 35' are weight coefficient, and the numerical value of α 30' is greater than other weight coefficient.The weight coefficient of the signal strength signal intensity of other mutual correspondence and each mutually the first adjacent cell corresponding to secondary signal intensity and the distance dependent of first service residential quarter in corresponding signal strength signal intensity, nearer apart from the first service residential quarter, weight coefficient is larger, far away apart from the first service residential quarter, weight coefficient is less.

Suppose that S1' is minimum among S1', S2', the S3', determine that then the geographical location information in the characteristic information 1 is the geographical location information of terminal to be positioned.

As the third feasible implementation of determining the geographical location information of terminal to be positioned according to the characteristic information of coupling, different from the first implementation is, in the third feasible implementation, after the Euclidean distance in the metrical information of obtaining terminal to be positioned and the second tabulation between each characteristic information, adopt clustering algorithm to carry out cluster R minimum in each Euclidean distance Euclidean distance characteristic of correspondence information, according to cluster result, obtain the geographical location information of terminal to be positioned.

As the 4th kind of feasible implementation determining the geographical location information of terminal to be positioned according to the characteristic information of coupling, different from the second implementation is, in the 4th kind of feasible implementation, after the manhatton distance in the metrical information of obtaining terminal to be positioned and the second tabulation between each characteristic information, adopt clustering algorithm to carry out cluster the individual manhatton distance characteristic of correspondence of R ' information minimum in each manhatton distance, according to cluster result, obtain the geographical location information of terminal to be positioned.

Alternatively, after obtaining the geographical location information of terminal to be positioned, the geographical location information of terminal to be positioned can also be sent to terminal to be positioned, so that terminal to be positioned is obtained self described geographical position.

In the present embodiment, by mating according to the metrical information of terminal to be positioned and each characteristic information in the signal characteristic database, the characteristic information that acquisition and metrical information are complementary, determine the geographical location information of terminal to be positioned according to the characteristic information that is complementary, realized treating the location of locating terminal, the method does not need the newly-increased any hardware of terminal to be positioned or software module, be not subjected to the limit of functions of terminal to be positioned, therefore, can realize the location to any terminal to be positioned, have wide range of applications.

Fig. 2 is the schematic flow sheet that the present invention is based on the localization method embodiment two of signal strength signal intensity in the mobile communications network, Fig. 2 is before step S102 embodiment illustrated in fig. 1, also comprise: set up the signal characteristic database, as shown in Figure 2, set up the signal characteristic database and comprise the steps:

S201: the geographical position of each residential quarter is divided into a plurality of zones, wherein, a corresponding geographical position, each zone numbering.

The geographical position of residential quarter refers to the coverage of base station, and the geographical position of residential quarter is divided into a plurality of zones, and corresponding geographical position, each zone numbering preferably, is divided into the geographical position of residential quarter the rectangular area of a plurality of formed objects.

Can know the actual geographic positional information that it is corresponding by the geographical position numbering.

S202: the reference data of obtaining mobile terminal reporting.

Portable terminal in setting up property data base is to have the portable terminal that obtains self positional information ability.Reference data comprises measurement report and positional information, wherein, comprise the ID of the 3rd Serving cell of portable terminal and the signal strength signal intensity of the 3rd Serving cell in the measurement report, the signal strength signal intensity of the ID of W the 3rd adjacent cell and W the 3rd adjacent cell, wherein, the ID of the 3rd Serving cell refers to the ID of the main Serving cell of portable terminal, the signal strength values of the 3rd Serving cell is the signal strength signal intensity that portable terminal receives the base station of main Serving cell, the ID of W the 3rd adjacent cell refer to receive front W the strongest auxiliary serving cell of signal ID, the ID signal strength signal intensity of W the 3rd adjacent cell refers to that portable terminal receives the intensity of signal of W auxiliary serving cell base station of correspondence.Positional information is the information in residing geographical position of the mobile terminal reporting moment self.

Alternatively, can be by obtain the reference data of mobile terminal reporting from the abis interface.

S203: the ID of the 3rd Serving cell is identical, and the reference data that positional information belongs to the same area is merged into a characteristic information.

Wherein, characteristic information comprises the 3rd signal strength signal intensity corresponding to the ID of ID, second service residential quarter of geographical location information, second service residential quarter, ID and the 4th signal strength signal intensity corresponding to ID of M the second adjacent cell, wherein M 〉=1 of M the second adjacent cell.

As a kind of feasible implementation wherein, the ID that obtains the 3rd Serving cell is identical, and positional information belongs to the same area under the positional information is corresponding in the reference data of the same area geographical position numbering as the geographical location information of characteristic information; The ID that obtains the 3rd Serving cell is identical, and positional information belongs to the ID of the 3rd Serving cell of reference data of the same area as the ID of the second service residential quarter of characteristic information.The ID that obtains the 3rd Serving cell is identical, and positional information belongs to the union of ID of W the 3rd adjacent cell of reference data of the same area as the ID of M the second adjacent cell of characteristic information; The ID that obtains the 3rd Serving cell is identical, and positional information belongs to the average of signal strength signal intensity of identical R the 3rd adjacent cell of reference data of the same area as the 4th signal strength signal intensity of the second adjacent cell of characteristic information, wherein, R 〉=1, that is to say, when R=1, the ID that refers to the 3rd Serving cell is identical, and positional information belongs to the ID that only has the 3rd adjacent cell that has in the reference data in the reference data of the same area, then the signal strength signal intensity average of the 3rd adjacent cell then is the signal strength signal intensity of the 3rd adjacent cell, and with four signal strength signal intensity of this signal strength signal intensity as second adjacent cell identical with the 3rd adjacent cell; When R 〉=2, refer to that the identical and positional information of the ID of the 3rd Serving cell belongs in the reference data of the same area the ID of the 3rd adjacent cell that has at least two reference datas, then the signal strength signal intensity average of the 3rd adjacent cell then is the mean value of the signal strength signal intensity of the 3rd adjacent cell at least two reference datas, and with the mean value of this signal strength signal intensity the 4th signal strength signal intensity as second adjacent cell identical with the 3rd adjacent cell.By above-mentioned steps that the ID of the 3rd Serving cell is identical, and the reference data that positional information belongs to the same area is merged into a characteristic information.

Adopt and use the same method, obtain many characteristic informations, and it is stored in the signal characteristic database.

Alternatively, after above-mentioned steps S202, alternatively, also comprise: judge whether reference data is complete, if complete, then carry out and preserve reference data, and the ID that carries out the 3rd Serving cell that will preserve is identical, and the reference data that positional information belongs to the same area is merged into a characteristic information; If imperfect, then abandon reference data.

In the present embodiment, the reference data that has the mobile terminal reporting of the function of obtaining self positional information by utilization, set up the signal characteristic database, by mating according to the metrical information of terminal to be positioned and each characteristic information in the signal characteristic database, the characteristic information that acquisition and metrical information are complementary, determine the geographical location information of terminal to be positioned according to the characteristic information of coupling, realized treating the location of locating terminal, the method does not need the newly-increased any hardware of terminal to be positioned or software module, be not subjected to the limit of functions of terminal to be positioned, therefore, can realize the location to any terminal to be positioned, have wide range of applications; When setting up the signal characteristic database, can obtain reference data by the abis interface, with traditional carrying out on the spot drive test obtain reference data and compare, the method is convenient and swift, and, characteristic information in can real-time update signal characteristic database, thus guarantee to treat the accuracy of locating terminal location.

What deserves to be explained is, the localization method of signal strength signal intensity is not subjected to the restriction of network type in the movement-based communication network of the present invention, can be applicable to does not need to change the network result, thereby has saved implementation cost in the various kinds of mobile communication networks such as GSM, WCDMA, TD-SCDMA and CDMA.

Fig. 3 is the structural representation that the present invention is based on the positioner embodiment one of signal strength signal intensity in the mobile communications network, as shown in Figure 3, the device of the present embodiment comprises: acquisition module 31 and matching module 32 and processing module 33, wherein, acquisition module 31 is used for obtaining the metrical information of terminal to be positioned, metrical information comprises the sign ID of the first service residential quarter of terminal to be positioned, the first signal intensity of first service residential quarter, the ID of N the first adjacent cell and the secondary signal intensity of N the first adjacent cell, wherein, N 〉=1;

Matching module 32 is used for mating according to the metrical information of terminal to be positioned and each characteristic information of signal characteristic database, obtains the characteristic information that is complementary with metrical information;

Processing module 33 is used for determining according to the characteristic information of coupling the geographical location information of terminal to be positioned;

Wherein, comprise at least one characteristic information in the signal characteristic database, every characteristic information comprises ID, the 3rd signal strength signal intensity of second service residential quarter, the ID of M the second adjacent cell and the 4th signal strength signal intensity of M the second adjacent cell that geographical location information reaches the second service residential quarter corresponding with geographical location information, wherein, M 〉=1.

In the above-described embodiments, matching module 32 comprises the first matching unit and the second matching unit, wherein, the first matching unit is for the first tabulation of the ID that the obtains signal characteristic database second service residential quarter characteristic information identical with the ID of the first service residential quarter of terminal to be positioned; The second matching unit is used for obtaining the ID of the first tabulation the second adjacent cell quantity identical with the ID of the first adjacent cell of terminal to be positioned and tabulates greater than second of the characteristic information of preset value;

Processing module 33 comprises the first processing unit and the second processing unit, and wherein, the first processing unit is used for obtaining the metrical information of terminal to be positioned and the Euclidean distance between second each characteristic information of tabulation; The second processing unit is for the geographical location information of the geographical location information in definite Euclidean distance minimum euclidean distance characteristic of correspondence information as terminal to be positioned.

In the above-described embodiments, matching module 32 comprises the first matching unit and the second matching unit, wherein, the first matching unit is for the first tabulation of the ID that the obtains signal characteristic database second service residential quarter characteristic information identical with the ID of the first service residential quarter of terminal to be positioned; The second matching unit is used for obtaining the ID of the first tabulation the second adjacent cell quantity identical with the ID of the first adjacent cell of terminal to be positioned and tabulates greater than second of the characteristic information of preset value;

Processing module 33 comprises the first processing unit and the second processing unit, and wherein, the first processing unit is used for obtaining the metrical information of terminal to be positioned and the manhatton distance between second each characteristic information of tabulation; The second processing unit is for the geographical location information of the geographical location information in the definite minimum manhatton distance characteristic of correspondence of manhatton distance information as terminal to be positioned.

In the above-described embodiments, the first processing unit is mutually corresponding signal strength signal intensity for the first signal intensity of determining terminal to be positioned and the 3rd signal strength signal intensity of second each characteristic information of tabulation specifically; If the ID of second adjacent cell identical with the ID of the first adjacent cell of terminal to be positioned is arranged in the second tabulation, the 4th signal strength signal intensity of the second identical adjacent cell is mutual corresponding signal strength signal intensity in the secondary signal intensity of then determining the first adjacent cell and the second tabulation; If the ID of the second not identical with the ID of the first adjacent cell of terminal to be positioned adjacent cell in the second tabulation, the secondary signal intensity of then determining the first adjacent cell and a default value are mutual corresponding signal strength signal intensity; For every characteristic information in the second tabulation, according to each mutual weight coefficient of corresponding signal strength signal intensity in the metrical information of terminal to be positioned and the characteristic information, each mutual weighted sum of the first Euclidean distance between corresponding signal strength signal intensity in the metrical information of obtaining terminal to be positioned and the characteristic information, wherein, comprise the weight coefficient of signal strength signal intensity of mutual correspondence of first signal intensity greater than the weight coefficient of the signal strength signal intensity of the mutual correspondence that comprises secondary signal intensity;The evolution of determining each weighted sum is the Euclidean distance between each characteristic information during the metrical information and second of terminal to be positioned is tabulated.

In the above-described embodiments, the metrical information of terminal to be positioned is the measurement report of terminal to be positioned;

The acquisition module 31 concrete measurement reports that are used for obtaining from the abis interface terminal to be positioned.

In the above-described embodiments, can also comprise sending module, sending module is used for the geographical location information of terminal to be positioned is sent to terminal to be positioned, so that terminal to be positioned is known self residing geographical position.

The device of the present embodiment can be used for carrying out the technical scheme of embodiment of the method shown in Figure 1, and it realizes that principle and technique effect are similar, repeats no more herein.

Fig. 4 is the structural representation that the present invention is based on the positioner embodiment two of signal strength signal intensity in the mobile communications network, Fig. 4 is on basis embodiment illustrated in fig. 3, also comprise further Database module 34, Database module 34 is used for the geographical position of each residential quarter is divided into a plurality of zones, a corresponding geographical position, each zone numbering; Obtain the reference data of mobile terminal reporting, wherein, portable terminal is the terminal that can obtain the positional information of self; Reference data comprises measurement report and positional information; Wherein, the ID and the signal strength signal intensity of the 3rd Serving cell, the ID of W the 3rd adjacent cell and the signal strength signal intensity of W the 3rd adjacent cell that comprise the 3rd Serving cell of portable terminal in the measurement report, W 〉=1, positional information are the constantly information in residing geographical position of mobile terminal reporting; The ID of the 3rd Serving cell preserved is identical, and the reference data that positional information belongs to the same area is merged into a characteristic information.

In the above-described embodiments, Database module 34 is concrete, and to be used for obtaining the ID of the 3rd Serving cell identical, and positional information belongs to the same area under the positional information is corresponding in the reference data of the same area geographical position numbering as the geographical location information of characteristic information; The ID that obtains the 3rd Serving cell is identical, and positional information belongs to the ID of the 3rd Serving cell of reference data of the same area as the ID of the second service residential quarter of characteristic information; The ID that obtains the 3rd Serving cell is identical, and positional information belongs to the average of signal strength signal intensity of the 3rd Serving cell of reference data of the same area as the secondary signal intensity of characteristic information; The ID that obtains the 3rd Serving cell is identical, and positional information belongs to the union of ID of W the 3rd adjacent cell of reference data of the same area as the ID of M the second adjacent cell of characteristic information; The ID that obtains the 3rd Serving cell is identical, and positional information belongs to the average of signal strength signal intensity of identical R the 3rd adjacent cell of reference data of the same area as the 4th signal strength signal intensity of second adjacent cell identical with the ID of the 3rd adjacent cell of ID in the characteristic information, wherein, R 〉=1.

In the above-described embodiments, the Database module 34 concrete reference datas that are used for obtaining from the abis interface mobile terminal reporting.

In the above-described embodiments, data block is set up module 34 also for judging whether reference data is complete; If then preserve reference data; If not, then abandon reference data.Database module 32 is concrete, and to be used for the ID of reference data the 3rd Serving cells that will preserve identical, and the reference data that positional information belongs to the same area is merged into a characteristic information.

The device of the present embodiment can be used for carrying out the technical scheme of embodiment of the method shown in Figure 2, and it realizes that principle and technique effect are similar, repeats no more herein.

One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can be finished by the relevant hardware of program command.Aforesaid program can be stored in the computer read/write memory medium.This program is carried out the step that comprises above-mentioned each embodiment of the method when carrying out; And aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.

It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although with reference to aforementioned each embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.

Claims (10)

1. the localization method of signal strength signal intensity in the movement-based communication network is characterized in that, comprising:

Obtain the metrical information of terminal to be positioned, described metrical information comprises the first signal intensity of the sign ID of the first service residential quarter of described terminal to be positioned, described first service residential quarter, the ID of N the first adjacent cell and the secondary signal intensity of described N the first adjacent cell, wherein, N 〉=1;

Mate according to the metrical information of described terminal to be positioned and each characteristic information in the signal characteristic database, obtain the characteristic information with described metrical information coupling;

Determine the geographical location information of described terminal to be positioned according to the characteristic information of described coupling;

Wherein, comprise at least one characteristic information in the described signal characteristic database, every characteristic information comprises ID, the 3rd signal strength signal intensity of described second service residential quarter, the ID of M the second adjacent cell and the 4th signal strength signal intensity of described M the second adjacent cell that geographical location information reaches the second service residential quarter corresponding with described geographical location information, wherein, M 〉=1.

2. method according to claim 1 is characterized in that, describedly mates according to the metrical information of described terminal to be positioned and each characteristic information in the signal characteristic database, and the characteristic information that obtains to be complementary with described metrical information comprises:

Obtain the first tabulation of the ID of second service residential quarter in the described signal characteristic database characteristic information identical with the ID of the first service residential quarter of described terminal to be positioned;

Obtaining the ID of the second adjacent cell is identical with the ID of the first adjacent cell of described terminal to be positioned in described the first tabulation quantity tabulates greater than second of the characteristic information of preset value;

Described characteristic information according to described coupling is determined the geographical location information of described terminal to be positioned, comprising:

Obtain the Euclidean distance between each characteristic information in the metrical information of described terminal to be positioned and described the second tabulation;

Determine that the geographical location information in the minimum euclidean distance characteristic of correspondence information is as the geographical location information of described terminal to be positioned in the described Euclidean distance.

3. method according to claim 1 is characterized in that, describedly mates according to the metrical information of described terminal to be positioned and each characteristic information in the signal characteristic database, and the characteristic information that obtains to be complementary with described metrical information comprises:

Obtain the first tabulation of the ID of second service residential quarter in the described signal characteristic database characteristic information identical with the ID of the first service residential quarter of described terminal to be positioned;

Obtaining the ID of the second adjacent cell is identical with the ID of the first adjacent cell of described terminal to be positioned in described the first tabulation quantity tabulates greater than second of the characteristic information of preset value;

Described characteristic information according to described coupling is determined the geographical location information of described terminal to be positioned, comprising:

Obtain the manhatton distance between each characteristic information in the metrical information of described terminal to be positioned and described the second tabulation;

Determine that the geographical location information in the minimum manhatton distance characteristic of correspondence information is as the geographical location information of described terminal to be positioned in the described manhatton distance.

4. method according to claim 2 is characterized in that, the Euclidean distance during the described metrical information and described second of obtaining described terminal to be positioned is tabulated between each characteristic information comprises:

The 3rd signal strength signal intensity of each characteristic information is mutually corresponding signal strength signal intensity in the first signal intensity of determining described terminal to be positioned and described the second tabulation;

If the ID of second adjacent cell identical with the ID of the first adjacent cell of described terminal to be positioned is arranged in described the second tabulation, the secondary signal intensity of then determining described the first adjacent cell and the 4th signal strength signal intensity of the second identical described in the second tabulation adjacent cell are mutual corresponding signal strength signal intensity;

If the ID of the second not identical with the ID of the first adjacent cell of described terminal to be positioned adjacent cell in described the second tabulation, the secondary signal intensity of then determining described the first adjacent cell and a default value are mutual corresponding signal strength signal intensity;

For every characteristic information in described the second tabulation, according to each mutual weight coefficient of corresponding signal strength signal intensity in the metrical information of described terminal to be positioned and the described characteristic information, each mutual weighted sum of the first Euclidean distance between corresponding signal strength signal intensity in the metrical information of obtaining described terminal to be positioned and the described characteristic information, wherein, comprise the weight coefficient of signal strength signal intensity of mutual correspondence of first signal intensity greater than the weight coefficient of the signal strength signal intensity of the mutual correspondence that comprises secondary signal intensity;

The evolution of determining described each weighted sum is the Euclidean distance between each characteristic information during the metrical information and described second of described terminal to be positioned is tabulated.

5. each described method is characterized in that according to claim 1-4, described according to described terminal to be positioned metrical information and before each characteristic information in the signal characteristic database mates, also comprise:

The geographical position of each residential quarter is divided into a plurality of zones, a corresponding geographical position, each zone numbering;

Obtain the reference data of mobile terminal reporting; Described reference data comprises measurement report and positional information;

Wherein, the ID and the signal strength signal intensity of described the 3rd Serving cell, the ID of W the 3rd adjacent cell and the signal strength signal intensity of described W the 3rd adjacent cell that comprise the 3rd Serving cell of described portable terminal in the described measurement report, W 〉=1, described positional information are the constantly information in residing geographical position of described mobile terminal reporting;

The ID of the 3rd Serving cell is identical, and the reference data that positional information belongs to the same area is merged into a characteristic information.

6. method according to claim 5 is characterized in that, described ID with the 3rd Serving cell is identical, and the reference data that positional information belongs to the same area merges into a characteristic information, comprising:

The ID that obtains described the 3rd Serving cell is identical, and positional information belongs to the same area under the positional information is corresponding in the reference data of the same area geographical position numbering as the geographical location information of characteristic information;

The ID that obtains described the 3rd Serving cell is identical, and positional information belongs to the ID of the 3rd Serving cell of reference data of the same area as the ID of the second service residential quarter of characteristic information;

The ID that obtains described the 3rd Serving cell is identical, and positional information belongs to the average of signal strength signal intensity of the 3rd Serving cell of reference data of the same area as the secondary signal intensity of characteristic information;

The ID that obtains described the 3rd Serving cell is identical, and positional information belongs to the union of ID of W the 3rd adjacent cell of reference data of the same area as the ID of M the second adjacent cell of characteristic information;

The ID that obtains described the 3rd Serving cell is identical, and positional information belongs to the average of signal strength signal intensity of identical R the 3rd adjacent cell of reference data of the same area as the 4th signal strength signal intensity of second adjacent cell identical with the ID of described the 3rd adjacent cell of ID in the characteristic information, wherein, R 〉=1.

7. method according to claim 1 is characterized in that, the metrical information of described terminal to be positioned is the measurement report of described terminal to be positioned;

The described metrical information of obtaining terminal to be positioned comprises:

Obtain the measurement report of terminal to be positioned from the abis interface.

8. method according to claim 5 is characterized in that, the described reference data of obtaining mobile terminal reporting comprises:

Obtain the reference data of mobile terminal reporting from the abis interface.

9. method according to claim 8 is characterized in that, and is described after the abis interface obtains the reference data of mobile terminal reporting, also comprises:

Judge whether described reference data is complete, if then preserve described reference data; If not, then abandon described reference data;

Described ID with the 3rd Serving cell is identical, and the reference data that positional information belongs to the same area merges into a characteristic information, comprising:

The ID of the 3rd Serving cell in the reference data of preserving is identical, and the reference data that positional information belongs to the same area is merged into a characteristic information.

10. the positioner of signal strength signal intensity in the movement-based communication network is characterized in that, comprising:

Acquisition module, be used for obtaining the metrical information of terminal to be positioned, described metrical information comprises the first signal intensity of the sign ID of the first service residential quarter of described terminal to be positioned, described first service residential quarter, the ID of N the first adjacent cell and the secondary signal intensity of described N the first adjacent cell, wherein, N 〉=1;

Matching module is used for mating according to the metrical information of described terminal to be positioned and each characteristic information of signal characteristic database, obtains the characteristic information that is complementary with described metrical information;

Processing module is for the geographical location information of determining described terminal to be positioned according to the characteristic information of described coupling;

Wherein, comprise at least one characteristic information in the described signal characteristic database, every characteristic information comprises ID, the 3rd signal strength signal intensity of described second service residential quarter, the ID of M the second adjacent cell and the 4th signal strength signal intensity of described M the second adjacent cell that geographical location information reaches the second service residential quarter corresponding with described geographical location information, wherein, M 〉=1.

Images