CN106131787A - The location method of terminal use's movement locus, Apparatus and system - Google Patents
The location method of terminal use's movement locus, Apparatus and system Download PDFInfo
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- CN106131787A CN106131787A CN201610555029.5A CN201610555029A CN106131787A CN 106131787 A CN106131787 A CN 106131787A CN 201610555029 A CN201610555029 A CN 201610555029A CN 106131787 A CN106131787 A CN 106131787A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
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Abstract
The invention belongs to communication technical field, be specifically related to a kind of position the method for terminal use's movement locus, Apparatus and system.The present invention carries out context pretreatment to MR measurement report, revise the error of incoming level in MR measurement report, improve the reliability of input data, use linear isometry can supplement in flow process because part MR that number of cells is not enough or finger print data deficiency causes cannot directly position the imperfect phenomenon of flow process positioning result caused from differential technique, and the localization ratio of MR can be effectively improved by the method, and the deviation of positioning result can be eliminated by movement locus calibration, smooth flow path track.
Description
Technical field
The invention belongs to communication technical field, be specifically related to one and be quickly accurately positioned terminal use based on MR measurement report
The method of movement locus, Apparatus and system, particularly can measure by MR based on GSM, TD-SCDMA, WCDMA, LTE system record
Report is quickly accurately positioned the method for cellphone subscriber's movement locus, Apparatus and system.
Background technology
Systematic survey report (Measurement Report is called for short MR) is that periodically or event triggers and reports through mobile phone
System, the message after system extention information, the systems such as GSM, WCDMA, TD-SCDMA, LTE all exist.Article one, system
Measurement report comprises the radio environment information in certain cellphone subscriber (mobile station/mobile station) certain moment, these wireless rings
Environment information and cellphone subscriber this time residing geographical position there is corresponding relation.The wireless messages comprised is reported by systematic survey
Calculate the process in geographical position residing for this moment cellphone subscriber, referred to as " cellphone subscriber location ".
The main information of systematic survey report, in different systems, although division name is different, but is close in meaning, permissible
Set up such as the corresponding relation of following table.
Existing cellphone subscriber's location technology includes architecture, propagation model location and fingerprint location, as follows:
1. architecture
When needing the position in locating cellphone user's moment, take the systematic survey report that this moment reports, in information contained
Serving cell numbering, inquire about field engineering data, obtain the geographical position of Serving cell, using the geographical position of this community as
The geographical position in this this moment of cellphone subscriber.
Advantage: calculating simple, location Calculation speed is fast.
Shortcoming: positioning result precision is low.
2. propagation model location
When needing the position in locating cellphone user's moment, in the systematic survey report information that this moment reports, choose
Multiple communities, respectively according to geographical position, community, incoming level, use the propagating modes such as Okumura-Hata, COST231-Hata
Type, calculates the distance away from each geographical position, community, and comprehensively the distance away from each community obtains the ground in this moment of this cellphone subscriber
Reason position.
Advantage: realizing simple, location Calculation speed is moderate.
Shortcoming: propagation model is an empirical model, this class model is tied in complicated landform and the area of wireless environment, location
Really precision is low.
3. fingerprint location
The information that this technology comprises geographical position and this position system measurement report is referred to as " fingerprint ", first pre-builds this
" fingerprint database " of sample.
When needing the position in locating cellphone user's moment, take the systematic survey report information that this moment reports, with community
Numbering (including Serving cell and adjacent area) as its dimensional space, using incoming level corresponding to cell number as dimensional space in
Metric, use the Similarity algorithms such as " vector similar ", " cosine is similar ", " mean square deviation ", obtain and " refer in " fingerprint database "
Stricture of vagina " geographical position of most like " fingerprint ", as the geographical position in this this moment of cellphone subscriber.
Advantage: after " fingerprint database " builds accurately, positioning result precision is higher.
Shortcoming: location Calculation speed is slow, positioning result precision relies on " fingerprint " and " pending system in " fingerprint database "
Measurement report " similarity, and " pending systematic survey report " is at same position the most in the same time, affected by various factors, institute
The wireless messages comprised is variant.
Summary of the invention
The present invention, for the problem such as overcome, location Calculation speed low to terminal use's positioning precision in prior art slow, carries
A kind of report based on MR systematic survey has been supplied quickly to be accurately positioned the method for terminal use's movement locus, Apparatus and system.
The purpose of the present invention is achieved through the following technical solutions:
The first object of the present invention is to provide one to be quickly accurately positioned terminal use's motion rail based on MR measurement report
The method of mark, including:
The multiple MR measurement reports reported in receiving terminal a period of time；
The plurality of MR measurement report is carried out pretreatment；
It is sampled pretreated MR measurement report processing, obtains the MR measurement report after sample process；
According to the MR measurement report after described sample process, location Calculation goes out the geographical position of terminal use；
According to the geographical position of described terminal use, calculate the movement locus of terminal use.
Further, the plurality of MR measurement report is carried out pretreatment to refer to each of which MR measurement report is all entered
Entering pretreatment, the pretreatment of each MR measurement report in turn includes the following steps:
A. locating neighbor is screened
In the context of a certain bar MR measurement report, 3-5 the neighbour that screening occurrence number is most successively and level is the strongest
District, as the locating neighbor of MR localization process；Wherein, the context of this MR measurement report described refers to measure for this MR
One group of MR measurement report in span sometime it is engraved in during report reporting；Wherein, for gsm system, time span is in +/-2
Second；TD-SCDMA, WCDMA, LTE system, time span was +/-10 seconds；
B. loss compensation process
When the Serving cell of this MR measurement report and the incoming level value of locating neighbor are respectively less than minimum levels marginal value
Time, then the incoming level of the Serving cell in MR measurement report and locating neighbor is all increased 10-20dB；Wherein, different system
Minimum levels marginal value is as follows: gsm system is-85dBm, and TD-SCDMA, WCDMA system are-90dBm, and LTE system is-
100dBm；
C. level smoothing processing
The incoming level of numbering same cells is sought arithmetic mean of instantaneous value, respectively as respective cell in this MR measurement report
The incoming level value of numbering；Described community includes Serving cell and locating neighbor；
D. mobility judgement processes
Position weight is obtained according to 4-6 the subdistrict position that incoming level in this MR measurement report and context thereof is the highest
The heart, utilizes the gravity center shift difference of these MR measurement reports and time difference to obtain the dry run speed of these MR measurement reports
Degree；Wherein, described community includes Serving cell and locating neighbor；Described speed at 0-10km/h for low mobility state,
10-40km/h for middling speed mobile status, more than 40km/h for high-speed moving state.
Further, before the screening locating neighbor of described a, further comprise the steps of:
Cell receiver level power compensates: the cell receiver level of gsm system MR measurement report is carried out merit
Rate compensates, it may be assumed that the cell receiver level after compensation=base station power grade x2+ cell receiver level.
Further, in the screening locating neighbor of described step a, the quantity of screening adjacent area is 4.
Further, in the loss compensation process of described step b, to the Serving cell in this MR measurement report and location
The incoming level of adjacent area all increases 15dB.
Further, during the mobility judgement of described step d processes, the number of cells that incoming level is the highest is 5.
Further, described being sampled by pretreated MR measurement report processes, and obtains the MR after sample process and surveys
Amount report, including:
For pretreated MR measurement report, to being judged as the MR measurement report of low mobility state, in the ratio of 3:1
It is sampled；To being judged as the MR measurement report of middling speed mobile status, it is sampled in the ratio of 2:1；To being judged as moving at a high speed
The MR measurement report of dynamic state is not sampled.
Further, according to the MR measurement report after described sample process, location Calculation goes out the geographical position of terminal use,
Including: to each the MR measurement report sampled out, use architecture, propagation model location or fingerprint location to carry out fixed
Position calculates, and calculates this MR measurement report and reports the geographical position of moment terminal use.
Further, according to the geographical position of described terminal use, calculate the movement locus of terminal use, including:
Use linear isometry from interpolation method, according to the geographical position of the terminal use that location Calculation goes out, measure according to MR
The mobile status interpolation of report goes out not carry out the terminal use geographical position of the MR measurement report of location Calculation, finally reconstructs phase
The movement locus of corresponding terminal use.
Further, the described mobile status interpolation according to MR measurement report goes out not carry out the MR measurement report of location Calculation
Terminal use geographical position, including:
For the MR measurement report that mobile status is lower-speed state, report the moment according to this MR measurement report, select
Time span is that the +/-MR measurement report of 60 seconds carries out interpolation, location Calculation terminal use geographical position；
For the MR measurement report that mobile status is middling speed state, report the moment according to this MR measurement report, select
Time span is that the +/-MR measurement report of 15 seconds carries out interpolation, location Calculation terminal use geographical position；
For the MR measurement report that mobile status is fast state, report the moment according to this MR measurement report, select
Time span is that the +/-MR measurement report of 5 seconds carries out interpolation, location Calculation terminal use geographical position.
Further, in the geographical position according to described terminal use, after calculating the movement locus of terminal use, also
Including: the movement locus of terminal use is calibrated.
Further, the described movement locus to terminal use is calibrated, including:
Judge whether movement velocity and the direction of arbitrary continuous three MR measurement reports in described movement locus deposit noise feelings
Condition；
In the middle of the most then judging, the positioning result of that MR measurement report is noise (i.e. positioning result is insincere), then
Remove the noise in positioning result, calculate this MR measurement report its before and after the movement velocity of each MR measurement report and side
To meansigma methods as this revised positioning result of MR measurement report；
If it is not, then movement velocity and direction to described continuous three MR measurement reports are smoothed, calculate described
The continuous movement velocity of three MR measurement reports and the meansigma methods in direction are as revised positioning result.
Further, any one in following two of described noise situation:
A) in arbitrary continuous three MR measurement reports, if that MR measurement report middle and a MR measurement report on it
Direction difference between 150 °-210 °, and and its next MR direction difference also between 150 °-210 °；
Or b) in arbitrary continuous three MR measurement reports, if that MR measurement report middle and a MR measurement report on it
The movement velocity difference accused more than 60km/h and direction difference between 60 °-120 °, the movement velocity of this MR and its next MR simultaneously
Difference is less than 20km/h and direction difference between 150 °-210 °.
The second object of the present invention is to provide one to be quickly accurately positioned terminal use's motion rail based on MR measurement report
The device of mark, including:
Receiver module: the multiple MR measurement reports reported in receiving terminal a period of time；
Pretreatment module: for the plurality of MR measurement report is carried out pretreatment；
Decimation blocks: for pretreated MR measurement report being sampled process；
Location Calculation module: for going out the geographical position of terminal use according to the MR measurement report location Calculation sampled out；
Track reconstructing module: for the geographical position according to described terminal use, calculate the movement locus of terminal use.
Further, described pretreatment module, refer to wherein for the plurality of MR measurement report is carried out pretreatment
Each MR measurement report all enters pretreatment, specifically includes:
Screening locating neighbor submodule: in the context of a certain bar MR measurement report, screen occurrence number successively
Most and that level is the strongest 3-5 adjacent area, as the locating neighbor of MR localization process；Wherein, described this MR measurement report
Context refers to be engraved in when reporting one group of MR measurement report in span sometime for this MR measurement report；Wherein, right
In gsm system, time span was +/-2 seconds；TD-SCDMA, WCDMA, LTE system, time span was +/-10 seconds；
Loss balancing submodule: be used for when the Serving cell of this MR measurement report and the incoming level value of locating neighbor are equal
During less than minimum levels marginal value, then the incoming level of the Serving cell in MR measurement report and locating neighbor is all increased 10-
20dB；Wherein, different system minimum levels marginal value is as follows: gsm system is-85dBm, and TD-SCDMA, WCDMA system be-
90dBm, LTE system is-100dBm；
Level smooths submodule: for the incoming level of numbering same cells is asked arithmetic mean of instantaneous value, respectively as this
The incoming level value of respective cell numbering in MR measurement report；Described community includes Serving cell and locating neighbor；
Mobility judges submodule: for the 4-6 the highest according to incoming level in this MR measurement report and context thereof
Individual subdistrict position obtains position center of gravity, utilizes the gravity center shift difference of these MR measurement reports and time difference to obtain these MR and survey
The dry run speed of amount report；Wherein, described community includes Serving cell and locating neighbor；Described speed is 0-10km/h's
For low mobility state, at 10-40km/h for middling speed mobile status, more than 40km/h for high-speed moving state.
Further, described pretreatment module also includes:
Cell receiver level power compensates submodule: for the cell receiver to gsm system MR measurement report
Level carries out power back-off, it may be assumed that the cell receiver level after compensation=base station power grade x2+ cell receiver electricity
Flat.
Further, described decimation blocks, specifically include: for for pretreated MR measurement report, to being judged as
The MR measurement report of low mobility state, is sampled in the ratio of 3:1；The MR being judged as middling speed mobile status is measured report
Accuse, be sampled in the ratio of 2:1；The MR measurement report being judged as high-speed moving state is not sampled.
Further, described location Calculation module, specifically include: for each the MR measurement report sampled out, adopt
With using architecture, propagation model location or fingerprint location to carry out location Calculation, calculate and give the correct time on this MR measurement report
Carve the geographical position of terminal use.
Further, described track reconstructing module, specifically include: use linear isometry is from interpolation method, according to positioning meter
The geographical position of the terminal use calculated, the MR going out not carry out location Calculation according to the mobile status interpolation of MR measurement report measures
The terminal use geographical position of report, finally reconstructs the movement locus of corresponding terminal use.
Further, described device also includes calibration module: for calibrating the movement locus of terminal use.
Further, described calibration module, specifically include: judge that in described movement locus, arbitrary continuous three MR measure report
Whether movement velocity and the direction accused deposit noise situation；
In the middle of the most then judging, the positioning result of that MR measurement report is noise (i.e. positioning result is insincere), then
Remove the noise in positioning result, calculate this MR measurement report its before and after the movement velocity of each MR measurement report and side
To meansigma methods as this revised positioning result of MR measurement report；
If it is not, then movement velocity and direction to described continuous three MR measurement reports are smoothed, calculate described
The continuous movement velocity of three MR measurement reports and the meansigma methods in direction are as revised positioning result.
Further, any one in following two of described noise situation:
A) in arbitrary continuous three MR measurement reports, if that MR measurement report middle and a MR measurement report on it
Direction difference between 150 °-210 °, and and its next MR direction difference also between 150 °-210 °；
Or b) in arbitrary continuous three MR measurement reports, if that MR measurement report middle and a MR measurement report on it
The movement velocity difference accused more than 60km/h and direction difference between 60 °-120 °, the movement velocity of this MR and its next MR simultaneously
Difference is less than 20km/h and direction difference between 150 °-210 °.
The third object of the present invention is to provide one to be quickly accurately positioned terminal use's motion rail based on MR measurement report
The system of mark, including:
The device of location terminal use's movement locus, communicates with terminal, reports in being used for receiving terminal a period of time
Multiple MR measurement reports；The plurality of MR measurement report is carried out pretreatment；Pretreated MR measurement report is taken out
Sample processes, and obtains the MR measurement report after sample process；According to the MR measurement report after described sample process, location Calculation goes out end
The geographical position of end subscriber；According to the geographical position of described terminal use, calculate the movement locus of terminal use.
Further, the device of described location terminal use's movement locus is additionally operable to the movement locus to terminal use and carries out
Calibration.
The present invention carries out context pretreatment to the MR measurement report of processing unit, revises incoming level in MR measurement report
Error, improve input data reliability.Then it is mentioned above various fixed to use according to the MR measurement report of processing unit
Position technology carries out location Calculation.After location Calculation completes, the positioning result of processing unit is carried out user movement track interpolation weight
Build and calibrate with movement locus, revise positioning result error further, improve positioning result precision.
The present invention is after carrying out context pretreatment to the measurement report of processing unit, in the ratio arranged at processing unit
Middle extraction part MR measurement report uses various location technologies mentioned above to carry out location Calculation.After location Calculation completes, right
The positioning result of processing unit carries out user movement track interpolation reconstruction, in the case of not losing location Calculation coverage rate, carries
High location Calculation speed.In position fixing process, use linear isometry can supplement in flow process from differential technique because number of cells not
Part MR that foot or finger print data deficiency cause cannot directly position the imperfect phenomenon of flow process positioning result caused, and passes through
The method can be effectively improved the localization ratio of MR.The use of movement locus calibration method is possible not only to eliminate location noise to location
The interference of result, and the deviation of positioning result can be eliminated by movement locus calibration, smooth flow path track.
Accompanying drawing explanation
Fig. 1 is the method signal being quickly accurately positioned terminal use's movement locus based on MR measurement report of embodiment one
Figure；
Fig. 2 is the method signal being quickly accurately positioned terminal use's movement locus based on MR measurement report of embodiment two
Figure；
Fig. 3 is the method signal being quickly accurately positioned terminal use's movement locus based on MR measurement report of embodiment three
Figure；
Fig. 4 is quickly being accurately positioned the method for terminal use's movement locus based on MR measurement report and showing dress of embodiment four
Put；
Fig. 5 is quickly being accurately positioned the method for terminal use's movement locus based on MR measurement report and showing dress of embodiment five
Put；
Fig. 6 is the schematic diagram that the linear isometry that the present invention uses builds cellphone subscriber's movement locus from interpolation method.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the invention will be further described.
As it is shown in figure 1, in first embodiment of the present invention, it is proposed that a kind of the most fixed based on MR measurement report
The method of position terminal use's movement locus.The method comprises the following steps:
Step S100: the multiple MR measurement reports reported in receiving terminal a period of time；
In present embodiment, terminal is as a example by mobile phone, with the produced multiple MR measurement reports of cellphone subscriber's single call
It is a processing unit, the once call of corresponding cellphone subscriber.To the location in geographical position in this communication process of cellphone subscriber,
The location Calculation being converted to report each systematic survey processes, i.e. location Calculation goes out the longitude and latitude in corresponding geographical position.
Step S200: the plurality of MR measurement report is carried out pretreatment；
In present embodiment, report MR to systematic survey, after quarter (Report-time) ascending sort of more than giving the correct time, to often
Bar systematic survey is reported, according to its " above " (i.e. in this processing unit current system measurement report report before the moment multiple
MR measurement report) and " hereafter " (i.e. in this processing unit, current system measurement report reports multiple MR after the moment to measure report
Accuse) measurement report is carried out pretreatment.The context of this MR measurement report refers to report the moment for this MR measurement report
One group of MR measurement report in span sometime；Wherein, for gsm system, time span was +/-2 seconds；TD-SCDMA、
WCDMA, LTE system, time span was +/-10 seconds；
Step S300: be sampled pretreated MR measurement report processing, obtains the MR after sample process and measures report
Accuse；
Sample mode, for pretreated MR measurement report, to being judged as the MR measurement report of middle low mobility state,
Part MR measurement report is extracted by Set scale (low speed optimal value is 3:1, and middling speed optimal value is 2:1)；To being judged as moving at a high speed
The MR measurement report of dynamic state is not sampled, and which can guarantee that positioning result precision is not lost.
Step S400: according to the MR measurement report after described sample process, location Calculation goes out the geographical position of terminal use；
To each systematic survey report sampled out, use architecture, propagation model location or fingerprint location
Carry out location Calculation, orient the geographical position of this systematic survey report reporting moment (Report-time) cellphone subscriber.
Step S500: according to the geographical position of described terminal use, calculate the movement locus of terminal use；
Use linear isometry from interpolation method, according to the geographical position of the terminal use that location Calculation goes out, measure according to MR
The mobile status Fast Interpolation of report goes out not carry out the terminal use geographical position of the MR measurement report of location Calculation, finally rebuilds
Go out the movement locus of the terminal use corresponding with processing unit；Wherein, report is measured for the MR that mobile status is lower-speed state
Accusing, report the moment according to this MR measurement report, selecting at time span is that the +/-MR measurement report of 60 seconds carries out interpolation, fixed
Computing terminal user geographical position, position；For the MR measurement report that mobile status is middling speed state, according to this MR measurement report
Reporting the moment, selecting at time span is that the +/-MR measurement report of 15 seconds carries out interpolation, location Calculation terminal use's geography position
Put；For the MR measurement report that mobile status is fast state, report the moment according to this MR measurement report, select time span
Degree carries out interpolation, location Calculation terminal use geographical position for the +/-MR measurement report of 5 seconds.
Linear isometry is from interpolation method: as shown in Figure 6, continuous 5 systematic surveys report, MRn, MRn+ in processing unit
1 ... MRn+4, wherein MRn and MRn+4 is through step 4, respectively location Calculation go out the geographical coordinate of cellphone subscriber be (Xn, Yn) and
(Xn+4, Yn+4), then on the connecting line of MRn and MRn+4, equidistant interpolation goes out MRn+1, the geographical coordinate of MRn+2, MRn+3.
Present embodiment carries out context pretreatment to MR measurement report, revises the mistake of incoming level in MR measurement report
Difference, improves the reliability of input data.Then various location technologies mentioned above are used to position according to MR measurement report
Calculate.After location Calculation completes, positioning result is carried out user movement track interpolation reconstruction and movement locus calibration, repaiies further
Just position resultant error, improve positioning result precision.
Present embodiment, after measurement report is carried out context pretreatment, measures report in ratio extraction part MR arranged
Accuse and use various location technologies mentioned above to carry out location Calculation.After location Calculation completes, positioning result is carried out user's fortune
Dynamic track interpolation reconstruction, in the case of not losing location Calculation coverage rate, improves location Calculation speed.
As in figure 2 it is shown, in second embodiment of the present invention, it is proposed that a kind of the most fixed based on MR measurement report
The method of position terminal use's movement locus.The method comprises the following steps:
Step S100-S500: with the first embodiment；
Step S600: the movement locus of terminal use is calibrated；
Judge whether movement velocity and the direction of arbitrary continuous three MR measurement reports in described movement locus deposit noise feelings
Condition；
In the middle of the most then judging, the positioning result of that MR measurement report is noise (i.e. positioning result is insincere), then
Remove the noise in positioning result, calculate this MR measurement report its before and after the movement velocity of each MR measurement report and side
To meansigma methods as this revised positioning result of MR measurement report；
If it is not, then movement velocity and direction to described continuous three MR measurement reports are smoothed, calculate described
The continuous movement velocity of three MR measurement reports and the meansigma methods in direction are as revised positioning result.
Wherein, any one in following two of described noise situation:
A) in arbitrary continuous three MR measurement reports, if that MR measurement report middle and a MR measurement report on it
Direction difference between 150 °-210 °, and and its next MR direction difference also between 150 °-210 °；
Or b) in arbitrary continuous three MR measurement reports, if that MR measurement report middle and a MR measurement report on it
The movement velocity difference accused more than 60km/h and direction difference between 60 °-120 °, the movement velocity of this MR and its next MR simultaneously
Difference is less than 20km/h and direction difference between 150 °-210 °.
The movement locus of cellphone subscriber, because the uncertainty of human action, the movement locus of generation is non-linear, aperiodic
Property, and the positioning result error that location Calculation produces also is non-linear aperiodicity, it is impossible to it is suitable for traditional noise reduction algorithm.This
Embodiment uses the feature detection of noise, calibrates track and improves positioning precision.
As it is shown on figure 3, in third embodiment of the present invention, it is proposed that a kind of the most fixed based on MR measurement report
The method of position terminal use's movement locus.The method comprises the following steps:
In present embodiment, step S200 farther includes step S201-S205, and remaining is with the second embodiment
Step S200: the plurality of MR measurement report is carried out pretreatment and refers to each of which MR measurement report is all entered
Entering pretreatment, the pretreatment of each MR measurement report in turn includes the following steps:
Step S201: cell receiver level power compensates
For the cell receiver level of gsm system MR measurement report is carried out power back-off, it may be assumed that the service after compensation
Community incoming level=base station power grade x2+ cell receiver level.
Step S202: screening locating neighbor
In the context of a certain bar MR measurement report, 4 adjacent areas that screening occurrence number is most and level is the strongest successively,
Locating neighbor as MR localization process；Wherein, the context of this MR measurement report described refers to measure report for this MR
Accuse the one group of MR measurement report being engraved in when reporting in span sometime；Wherein, for gsm system, time span was +/-2 seconds；
TD-SCDMA, WCDMA, LTE system, time span was +/-10 seconds；
Step S203: loss compensation process
Loss balancing, i.e. reduces when systematic survey report is from during by occlusion area (such as indoor, basement etc.), receives electricity
Level values loss is higher, thus it is big to cause directly using participation to calculate error, needs to do compensation deals.When this MR measurement report
When the incoming level value of Serving cell and locating neighbor is respectively less than minimum levels marginal value, then little to the service in MR measurement report
The incoming level of district and locating neighbor all increases 15dB；Wherein, different system minimum levels marginal value is as follows: gsm system is-
85dBm, TD-SCDMA, WCDMA system are-90dBm, and LTE system is-100dBm；
Step S204: level smoothing processing
Level smooths, the incoming level fluctuation that i.e. minimizing wireless signal rapid fading the causes impact on result of calculation, uses
Digital averaging filtering method, seeks arithmetic mean of instantaneous value to the incoming level of numbering same cells, respectively as in this MR measurement report
The incoming level value of respective cell numbering；Described community includes Serving cell and locating neighbor；
Step S205: mobility judgement processes
Mobility judges, i.e. judges whether cellphone subscriber belongs to middle low speed when reporting current MR measurement report and move, with
There is provided data support just to follow-up " sample process " and " calibration of cellphone subscriber's movement locus " step.Processing method is: according to this
5 communities (+4 locating neighbor of 1 Serving cell) position that in bar MR measurement report and context thereof, incoming level is the highest is obtained
Position center of gravity, utilize the gravity center shift difference of those MR measurement reports and time difference to obtain the simulation of those MR measurement reports
The speed of service；Wherein, described community includes Serving cell and locating neighbor；Described speed moves shape at 0-10km/h for low speed
State, at 10-40km/h for middling speed mobile status, more than 40km/h for high-speed moving state.
Present embodiment carries out context pretreatment to MR measurement report, revises the mistake of incoming level in MR measurement report
Difference, improves the reliability of input data.Then various location technologies mentioned above are used to position according to MR measurement report
Calculate.After location Calculation completes, positioning result is carried out user movement track interpolation reconstruction and movement locus calibration, repaiies further
Just position resultant error, improve positioning result precision.
As shown in Figure 4, in the 4th embodiment of the present invention, it is proposed that a kind of the most fixed based on MR measurement report
The device of position terminal use's movement locus.This device includes:
Receiver module 10: the multiple MR measurement reports reported in receiving terminal a period of time；
Pretreatment module 20: for the plurality of MR measurement report is carried out pretreatment；
Decimation blocks 30: for pretreated MR measurement report being sampled process；
Location Calculation module 40: for going out the geographical position of terminal use according to the MR measurement report location Calculation sampled out
Put；
Interpolation reconstruction module 50: for the geographical position according to described terminal use, calculate the motion rail of terminal use
Mark.
As it is shown in figure 5, in the 5th embodiment of the present invention, it is proposed that a kind of the most fixed based on MR measurement report
The device of position terminal use's movement locus.This device, on the basis of Fig. 4, also includes:
Calibration module 60: for the movement locus of terminal use is calibrated.
Specifically include: judge whether are the movement velocity of arbitrary continuous three MR measurement reports in described movement locus and direction
Deposit noise situation；
In the middle of the most then judging, the positioning result of that MR measurement report is noise (i.e. positioning result is insincere), then
Remove the noise in positioning result, calculate this MR measurement report its before and after the movement velocity of each MR measurement report and side
To meansigma methods as this revised positioning result of MR measurement report；
If it is not, then movement velocity and direction to described continuous three MR measurement reports are smoothed, calculate described
The continuous movement velocity of three MR measurement reports and the meansigma methods in direction are as revised positioning result.
Wherein, any one in following two of described noise situation:
A) in arbitrary continuous three MR measurement reports, if that MR measurement report middle and a MR measurement report on it
Direction difference between 150 °-210 °, and and its next MR direction difference also between 150 °-210 °；
Or b) in arbitrary continuous three MR measurement reports, if that MR measurement report middle and a MR measurement report on it
The movement velocity difference accused more than 60km/h and direction difference between 60 °-120 °, the movement velocity of this MR and its next MR simultaneously
Difference is less than 20km/h and direction difference between 150 °-210 °.
Further, pretreatment module 20 includes:
Cell receiver level power compensates submodule 21: for connecing the Serving cell of gsm system MR measurement report
Receive level and carry out power back-off, it may be assumed that the cell receiver level after compensation=base station power grade x2+ cell receiver electricity
Flat.
Screening locating neighbor submodule 22: in the context of a certain bar MR measurement report, filter out occurrence successively
4 adjacent areas that number is most and level is the strongest, as the locating neighbor of MR localization process；Wherein, described this MR measurement report
Context refers to be engraved in when reporting one group of MR measurement report in span sometime for this MR measurement report；Wherein, right
In gsm system, time span was +/-2 seconds；TD-SCDMA, WCDMA, LTE system, time span was +/-10 seconds；
Loss balancing submodule 23: be used for the Serving cell when this MR measurement report and the incoming level value of locating neighbor
When being respectively less than minimum levels marginal value, then the incoming level of the Serving cell in MR measurement report and locating neighbor is all increased
15dB；Wherein, different system minimum levels marginal value is as follows: gsm system is-85dBm, and TD-SCDMA, WCDMA system be-
90dBm, LTE system is-100dBm；
Level smooths submodule 24: for the incoming level of numbering same cells is asked arithmetic mean of instantaneous value, respectively as this
The incoming level value of respective cell numbering in bar MR measurement report；Described community includes Serving cell and locating neighbor；
Mobility judges submodule 25: for according to 5 that in this MR measurement report and context thereof, incoming level is the highest
Individual subdistrict position obtains position center of gravity, utilizes the gravity center shift difference of those MR measurement reports and time difference to obtain those MR and survey
The dry run speed of amount report；Wherein, described community includes Serving cell and locating neighbor；Described speed is 0-10km/h's
For low mobility state, at 10-40km/h for middling speed mobile status, more than 40km/h for high-speed moving state.
In the 5th embodiment of the present invention, additionally provide one and be quickly accurately positioned terminal use based on MR measurement report
The system of family movement locus, including:
The device of location terminal use's movement locus, communicates with terminal, reports in being used for receiving terminal a period of time
Multiple MR measurement reports；The plurality of MR measurement report is carried out pretreatment；Pretreated MR measurement report is taken out
Sample processes, and obtains the MR measurement report after sample process；According to the MR measurement report after described sample process, location Calculation goes out end
The geographical position of end subscriber；According to the geographical position of described terminal use, calculate the movement locus of terminal use.Described location
The device of terminal use's movement locus is additionally operable to calibrate the movement locus of terminal use.
Below preferred embodiment to the invention is illustrated, but the invention is not limited to described
Case study on implementation, those of ordinary skill in the art it may also be made that all equivalents on the premise of the invention spirit
Modification or replacement, these equivalent modification or replacement be all contained in the application claim limited range.
Claims (10)
1. the method positioning terminal use's movement locus, it is characterised in that including:
The multiple MR measurement reports reported in receiving terminal a period of time；
The plurality of MR measurement report is carried out pretreatment；
It is sampled pretreated MR measurement report processing, obtains the MR measurement report after sample process；
According to the MR measurement report after described sample process, location Calculation goes out the geographical position of terminal use；
Geographical position according to the terminal use that described location Calculation goes out.
The method of location the most according to claim 1 terminal use's movement locus, it is characterised in that: the plurality of MR is surveyed
Amount report carries out pretreatment and refers to all enter each of which MR measurement report pretreatment, the pretreatment of every MR measurement report
In turn include the following steps:
A. locating neighbor is screened
In the context of this MR measurement report, 3-5 the adjacent area that screening occurrence number is most and level is the strongest successively, as
The locating neighbor of MR localization process；
Wherein, the context of this MR measurement report described refer to be engraved in when reporting for this MR measurement report sometime across
One group of MR measurement report in degree；Wherein, for gsm system, time span was +/-2 seconds；TD-SCDMA, WCDMA, LTE system
System, time span was +/-10 seconds；
B. loss compensation process
When the Serving cell of this MR measurement report and the incoming level value of locating neighbor are respectively less than minimum levels marginal value, then
The incoming level of the Serving cell in MR measurement report and locating neighbor is all increased 10-20dB；Wherein, different system minimum electricity
Flat marginal value is as follows: gsm system is-85dBm, and TD-SCDMA, WCDMA system are-90dBm, and LTE system is-100dBm；
C. level smoothing processing
The incoming level of numbering same cells is sought arithmetic mean of instantaneous value, numbers respectively as respective cell in this MR measurement report
Incoming level value；Described community includes Serving cell and locating neighbor；
D. mobility judgement processes
Position center of gravity, profit is obtained according to 4-6 the subdistrict position that incoming level in this MR measurement report and context thereof is the highest
The dry run speed of these MR measurement reports is obtained with the gravity center shift difference of these MR measurement reports and time difference；Its
In, described community includes Serving cell and locating neighbor；Described speed at 0-10km/h for low mobility state, at 10-
40km/h for middling speed mobile status, more than 40km/h for high-speed moving state.
The method of location the most according to claim 1 terminal use's movement locus, it is characterised in that: described by after pretreatment
MR measurement report be sampled process, obtain the multiple MR measurement reports after sample process, including:
For pretreated MR measurement report, to being judged as the MR measurement report of low mobility state, carry out in the ratio of 3:1
Sampling；To being judged as the MR measurement report of middling speed mobile status, it is sampled in the ratio of 2:1；To being judged as high-speed mobile shape
The MR measurement report of state is not sampled.
4. according to the method for the location terminal use's movement locus described in claim 1 or 3, it is characterised in that: take out according to described
MR measurement report after sample process, location Calculation goes out the geographical position of terminal use, including:
Each the MR measurement report sampled out is carried out location Calculation, calculates this MR measurement report and report moment terminal to use
The geographical position at family.
5. the device positioning terminal use's movement locus, it is characterised in that including:
Receiver module: the multiple MR measurement reports reported in receiving terminal a period of time；
Pretreatment module: for the plurality of MR measurement report is carried out pretreatment；
Decimation blocks: for pretreated MR measurement report being sampled process；
Location Calculation module: for going out the geographical position of terminal use according to the MR measurement report location Calculation sampled out；
Track reconstructing module: for the geographical position according to described terminal use, calculate the movement locus of terminal use.
The device of location the most according to claim 5 terminal use's movement locus, it is characterised in that: described decimation blocks,
Specifically include:
For for pretreated MR measurement report, to being judged as the MR measurement report of low mobility state, in the ratio of 3:1
It is sampled；To being judged as the MR measurement report of middling speed mobile status, it is sampled in the ratio of 2:1；To being judged as moving at a high speed
The MR measurement report of dynamic state is not sampled.
The device of location the most according to claim 5 terminal use's movement locus, it is characterised in that: described location Calculation mould
Block, specifically includes:
For each the MR measurement report sampled out is carried out location Calculation, calculate this MR measurement report and report the moment eventually
The geographical position of end subscriber.
The device of location the most according to claim 5 terminal use's movement locus, it is characterised in that: described device also includes
Calibration module: for the movement locus of terminal use is calibrated.
9. the system positioning terminal use's movement locus, it is characterised in that including:
The device of location terminal use's movement locus, communicates with terminal, reports many in receiving terminal a period of time
Individual MR measurement report；The plurality of MR measurement report is carried out pretreatment；Pretreated MR measurement report is sampled place
Reason, obtains the MR measurement report after sample process；According to the MR measurement report after described sample process, location Calculation goes out terminal and uses
The geographical position at family；According to the geographical position of described terminal use, calculate the movement locus of terminal use.
The system of location the most according to claim 9 terminal use's movement locus, it is characterised in that: described location terminal
The device of user movement track is additionally operable to calibrate the movement locus of terminal use.
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