The content of the invention
The invention is intended to provide a kind of alignment system of mobile subscriber, to solve the position system function of existing mobile subscriber
Single the problem of.
To solve problem above, there is provided following scheme:
Scheme one:The alignment system of mobile subscriber in this programme, including be sequentially connected acquisition module, distance calculation module,
Calculation of longitude & latitude module, physics and chemistry rendering module and prediction module;
The acquisition module, the test report of cell site is taken for obtaining UE and UE;
The distance calculation module, the distance between cell site is taken for according to test report, calculating UE and UE;
The calculation of longitude & latitude module, the longitude and latitude of cell site are taken for obtaining UE, and cell is taken according to the UE
The longitude and latitude of website, the UE and UE take cell site test report and the UE and UE occupancy cell site it
Between distance, calculate UE longitude and latitude;
Ground physics and chemistry rendering module, for the longitude and latitude according to the UE, UE is distributed in advance ready-portioned grid, system
Count the UE numbers in each grid;According to the difference of UE numbers in each grid, respectively will according to number standard set in advance
The grid mark different colours of different number standards are reached, ground physics and chemistry is carried out and renders presentation, ground physics and chemistry is obtained and renders grid map;
The prediction module, UE number of the grid map within continuous a period of time in each grid is rendered for base area physics and chemistry
Dynamic change deduce ground physics and chemistry render UE distribution situation of the grid map within next period.
Principle and effect:
First, acquisition module obtain UE feedback test report, then, distance calculation module according to test report calculate UE with
It is the distance between the antenna in cell that UE, which takes cell site,.Longitude and latitude and survey of the calculation of longitude & latitude module according to cell site
Try report to calculate the longitude and latitude degrees of data of the UE, realize that UE is positioned.Ground physics and chemistry rendering module is fallen into a trap according to calculation of longitude & latitude module
The UE longitudes and latitudes of calculation, UE is distributed in advance ready-portioned grid.And by counting the UE numbers in each grid, will
Meet the grids of different number standards and carry out color mark and render according to presetting color.Ground physics and chemistry rendering module now
Current UE distribution situation figure can be obtained.Prediction module, by predicting in next period, by repeating calculating above,
Obtain the UE distribution situations of subsequent period., can by the comparison of current UE distribution situation and the UE distribution situations of subsequent period
Deduce from currently in next period physics and chemistry render grid map in UE movement tendency.
If UE is mobile, physics and chemistry render grid map and be also follower UE movement within a period of time and become
Change, base area physics and chemistry renders the dynamic change of grid map, can read out the UE of movement path.Road is moved by UE
The moving direction in footpath, can deduce the UE of next period will be toward what direction movement.
The present invention is not only by AOA and TADV coaptation user's accurate locations, it is achieved thereby that the ground physics and chemistry of data, with
Traditional ground physics and chemistry that renders is compared, and new method effectively increases ground physics and chemistry precision.Meanwhile, because ground physics and chemistry renders grid map
Dynamic Graph, is capable of the next period UE of the look-ahead direction of motion and motion path, can be the movement of UE in real life
Guidance and help are provided.Make the alignment system of mobile subscriber, in addition to the function of positioning, also add the function of prediction, especially
When being gone on a journey used in automobile, it can effectively hide peak congested link in advance, be offered convenience to life.
Scheme two:Further, the UE and UE take cell site test report include Timing Advance TADV and
Cell site antenna angle of arrival AOA, the distance calculation module is calculated according to TADV and AOA between UE and UE occupancy cell sites
Distance.
Passage time lead TADV and antenna angle of arrival AOA calculate UE to the position of cell site.
Scheme three:Further, the distance calculation module includes two multipliers and a divider, distance calculation module
The test report of cell site is taken according to the UE and UE, the formula for calculating the distance between UE and UE occupancy cell sites has
Body is:
r=(c*Ts*τ)/2
In formula, r is that UE and UE takes the distance between cell site, and c is the light velocity, and Ts is the cycle of an OFDM symbol, is 1/
(15000 * 2048) s;τ is the actual weights reported corresponding to TADV sample value of OMC-R northbound interfaces, wherein, τ=16*
N+8, N report TADV numbers for OMC-R northbound interfaces are actual.
Scheme four:Further, the TADV that acquisition module is currently obtained is equal to the TADV and this cell site of previous record
Measure obtained adjusted value sum.
Making TADV measurement has a process for constantly cutting down error.
Scheme five:Further, physics and chemistry rendering module in described ground includes the memory cell of storage normal data, with memory cell
The division unit for being used for dividing grid of connection, for the test report of acquisition and normal data are contrasted and according to contrast
As a result the rendering unit that colouring is rendered is carried out.
Normal data is stored in the memory unit in advance in ground physics and chemistry rendering module, and division unit extracts normal data
Dividing elements out are carried out according to the classification in normal data, then rendering unit is directly by the survey passed in acquisition module
Examination report is contrasted with normal data, and the grid of the normal data met is caught into color is labeled.
Here normal data refers to the length and width of grid.
Scheme six:Further, the prediction module, base area physics and chemistry renders the Dynamic Graph variation tendency in grid map, pushes away
The grid of next period is surveyed by moving direction;For having different grids that multiple equal probabilities are moved all divided by these phases
With the grid number of probability, these grids are obtained in next period by movement probability.
In same direction of advance, the several grids adjacent with a grid are likely to turn into the past position of UE movements
Put, therefore, in prediction, these are in the same localities and by the grid of movement probability seek its average probability with identical.
Scheme seven:Occupied probability sum on same grid on different motion direction is moved occupancy for this grid
Total probability.
One grid, the UE moved in face of different directions, it by mobile probability is different that its is occupied.When all these
Probability is added, and being only this grid may occupied probability.
Present invention also offers a kind of localization method of mobile subscriber, comprise the following steps:
Step one, the test report that UE and UE takes cell site is obtained by acquisition module;
Step 2, UE to the distance between cell site r is calculated according to the UE and UE test report for taking cell site;
Step 3, obtains longitude and latitude that UE takes cell site, the test report of cell site is taken according to the UE and UE
Accuse and the UE and UE takes the distance between cell site, calculate UE longitude and latitude;
Step 4, the test report of cell site is taken according to the UE and UE, and grid are divided according to normal data set in advance
Lattice, are up to the grid mark different colours of various criterion data, and associate the longitude and latitude of the UE, carry out ground physics and chemistry wash with watercolours
Dye is presented, and is obtained ground physics and chemistry and is rendered grid map;
Step 5, prediction module, base area physics and chemistry renders dynamic change of the grid map within continuous a period of time and deduces UE
Movement tendency within next period.
By this method can intuitively rapidly from ground physics and chemistry render grid map in find out that a certain UE subsequent periods may
It is moved to which place is gone, the place meeting congestion of which grid mark can avoid the place of congestion in advance.
Further, in step 5, same grid is by the occupied probability sum calculated on different motion direction
This grid is moved the total probability of occupancy.
By the overall calculation to each different directions, can be accurately judged to some grid is in next period
No meeting congestion.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Reference includes in accompanying drawing:Acquisition module 1, distance calculation module 2, calculation of longitude & latitude module 3, physics and chemistry rendering module
4th, prediction module 5.
The alignment system of mobile subscriber in the present embodiment, including be sequentially connected acquisition module 1, distance calculation module 2,
Calculation of longitude & latitude module 3, physics and chemistry rendering module 4 and prediction module 5;
Acquisition module 1, the test report of cell site is taken for obtaining UE and UE;
Distance calculation module 2, the distance between cell site is taken for according to test report, calculating UE and UE;
Calculation of longitude & latitude module 3, the longitude and latitude of cell site are taken for obtaining UE, and the warp of cell site is taken according to UE
The test report and UE and UE that degree and latitude, UE and UE take cell site take the distance between cell site, calculate UE
Longitude and latitude;
Ground physics and chemistry rendering module 4, the test report for taking cell site according to UE and UE, according to criterion numeral set in advance
According to grid is divided, the grid mark different colours of various criterion data are up to, and associate UE longitude and latitude, are carried out geographical
Change renders presentation, obtains ground physics and chemistry and renders grid map;
Prediction module 5, renders dynamic change of the grid map within continuous a period of time for base area physics and chemistry and deduces UE and exist
Movement tendency in next period.
The test report that UE and UE takes cell site includes Timing Advance TADV and cell site antenna angle of arrival
AOA, distance calculation module 2 calculates UE and UE according to TADV and AOA and takes the distance between cell site.
Distance calculation module 2 includes two multipliers and a divider, and distance calculation module 2 takes small according to UE and UE
The test report of area's website, the formula for calculating UE and UE occupancy the distance between cell sites is specially:
r=(c*Ts*τ)/2
In formula, r is that UE and UE takes the distance between cell site, and c is the light velocity, and Ts is the cycle of an OFDM symbol, is 1/
(15000 x 2048) s;τ is the actual weights reported corresponding to TADV sample value of OMC-R northbound interfaces, wherein, τ=16*
N+8, N report TADV numbers for OMC-R northbound interfaces are actual.
The TADV that acquisition module 1 is currently obtained is equal to the adjustment that the TADV of previous record and this cell site measurement are obtained
It is worth sum.
Ground physics and chemistry rendering module 4 includes the memory cell of storage normal data, be connected with memory cell for dividing grid
The division unit of lattice, is rendered for being contrasted and carrying out colouring according to comparing result the test report of acquisition with normal data
Rendering unit.
Normal data is stored in the memory unit in advance in ground physics and chemistry rendering module 4, and division unit carries normal data
Take out and carry out dividing elements according to the classification in normal data, then rendering unit will directly be passed in acquisition module 1
Test report contrasted with normal data, the grid of the normal data met is caught into color is labeled.The mark of grid
Quasi- data refer to the length and width of grid, are the standards of grid division.And the number standard of grid, refer to that grid is more in receiving
The standard of respective color is marked during few UE, e.g., when the UE numbers in a grid are between 1-50, light green color is labeled as,
Green is labeled as between 51-100, is labeled as between 101-150 light yellow, yellow is labeled as between 151-200,
Light red is labeled as between 201-250, red is labeled as between 251-300.
Prediction module 5, base area physics and chemistry renders the Dynamic Graph variation tendency in grid map, thus it is speculated that the grid of next period
Lattice are by moving direction;For having different grids that multiple equal probabilities are moved all, one divided by these equal probabilities grid
Number, obtains these grids in next period by movement probability.
In same direction of advance, the several grids adjacent with a grid are likely to turn into the past position of UE movements
Put, therefore, in prediction, these are in the same localities and by the grid of movement probability seek its average probability with identical.
Occupied probability sum on same grid on different motion direction is moved the total general of occupancy for this grid
Rate.
One grid, the UE moved in face of different directions, it by mobile probability is different that its is occupied.When all these
Probability is added, and being only this grid may occupied probability.
How the present embodiment obtains customer position information, and realize high-precision geography by LTE MR measurement data if being solved
The problem analysis of change.MR.AOA defines estimation angle of the user with respect to reference direction, and measurement reference direction should be due north,
Counterclockwise, it can aid in determining the orientation residing for user there is provided positioning service, precision is 5 degree.MR.TADV Timing
Advance, UE are used for the time for adjusting the up transmissions of its main plot PUCCH/PUSCH/SRS.In random access procedure, eNodeB
Receive pilot signal to determine time advance value by measurement, Timing Advance span is(0, 1, 2, ...,
1282)×16Ts;Under RRC connection status, eNodeB determines that each UE TA is adjusted based on the uplink of measurement corresponding UE
Whole value, the scope of this adjusted value is(0, 1, 2,..., 63)×16Ts.This obtained newest Timing Advance is
The adjusted value sum that the Timing Advance of last registration is obtained with this eNodeB measurement.TS, Ts=1/ (15000 x 2048)
s.Ts is the sampling time that OFDM symbol FFT sizes are at 2048 points in LTE(Resolution ratio), i.e. OFDM time-domain symbols duration
For 2048Ts=1/15kHz.The measurement data can be used for determining that UE, apart from the distance of base station, realizes the covering analyzing of cell, investigate
Whether the overlay area of base station is reasonable, if there are problems that covering and covered.
By LTE MR data obtain customer position information method be:The first step:Need to gather user by OMC-R
The MR test report reported, sampling period and data format according to MR test report, test report has the data of three types,
Respectively MRO MRS MRE files, wherein MRO files for reporting of user sampled point granularity measurement file, contain the time
Lead TADV and antenna angle of arrival AOA.Second step:From TADV and AOA definition, TADV determines user and base
The distance stood, AOA determines the angle of user and direct north, it is possible thereby to the position of the sampled point of user is calculated and positions,
The longitude and latitude for extending TADV distances on direct north is namely calculated, thus, customer location realizes positioning.
First by the longitude and latitude of base station(L1,B1)Just calculated using Gauss the projection coordinate calculated under some coordinate system
(X1,Y1).(X1, Y1)=GK (L1, B1) GK () represent Gaüss-Krüger projection
Then according to distance and bearing angle r, AOA, UE coordinate is calculated(X2, Y2)
X2 = X1+ r*cos(AOA)
Y2 = Y2+ r*sin(AOA)
UE longitude and latitude can be finally calculated using Gauss inverse(L2, B2).
Analyzed more than, we realize the position positioning of sampled point, and then we are to the MR with positional information
Measurement data carries out GIS ground physics and chemistry grid, and grid precision is defined by the user as needed, rule of thumb most suitable to delete lattice precision
After determining grid precision for 400*400., then the corresponding index of statistics grid carries out grid face according to grid indication range
The filling of color, realizes the geographical rasterizing of LTE MR data.
The present embodiment additionally provides a kind of localization method of mobile subscriber, comprises the following steps:
Step one, the test report that UE and UE takes cell site is obtained by acquisition module 1;
Step 2, distance calculation module 2 calculates UE between cell site according to the UE and UE test report for taking cell site
Divide apart from r;
Step 3, calculation of longitude & latitude module 3 obtains longitude and latitude that UE takes cell site, cell site is taken according to UE
Longitude and latitude, UE and UE take test report and UE of cell site and UE takes the distance between cell site, count
Calculate UE longitude and latitude;
Step 4, ground physics and chemistry rendering module 4 takes the test report of cell site according to UE and UE, according to mark set in advance
Quasi- data divide grid, are up to the grid mark different colours of various criterion data, and associate UE longitude and latitude, carry out
Ground physics and chemistry renders presentation, obtains ground physics and chemistry and renders grid map;
Step 5, prediction module 5, base area physics and chemistry renders dynamic change of the grid map within continuous a period of time and deduces UE
Movement tendency within next period.
By this method can intuitively rapidly from ground physics and chemistry render grid map in find out that a certain UE subsequent periods may
It is moved to which place is gone, the place meeting congestion of which grid mark can avoid the place of congestion in advance.
In step 5, same grid is by calculating the occupied probability sum on different motion direction for this grid
By the mobile total probability taken.
By the overall calculation to each different directions, can be accurately judged to some grid is in next period
No meeting congestion.
Above-described is only that the known general knowledge such as concrete structure and characteristic is not made herein in embodiments of the invention, scheme
Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date
Ordinary technical knowledge, can know prior arts all in the field, and with using normal experiment hand before the date
The ability of section, one skilled in the art can improve and implement under the enlightenment that the application is provided with reference to self-ability
This programme, some typical known features or known method should not implement the application as one skilled in the art
Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make
Go out several modifications and improvements, these should also be considered as protection scope of the present invention, these effects implemented all without the influence present invention
Fruit and practical applicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification
Body embodiment etc. records the content that can be used for explaining claim.