CN106255069A - The analogy method of a kind of population spatial distribution and device - Google Patents
The analogy method of a kind of population spatial distribution and device Download PDFInfo
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- CN106255069A CN106255069A CN201610628932.XA CN201610628932A CN106255069A CN 106255069 A CN106255069 A CN 106255069A CN 201610628932 A CN201610628932 A CN 201610628932A CN 106255069 A CN106255069 A CN 106255069A
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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
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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
- H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
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Abstract
The invention belongs to geographic information system technology field, provide analogy method and the device of a kind of population spatial distribution, described method includes: obtain multiple mobile terminal location data in the given time, and described location data include the position of base station residing for the plurality of mobile terminal；By the plurality of mobile terminal in the range of the building that the position of residing base station maps in described base station range, to obtain the plurality of mobile terminal position distribution in the range of described building；According to the plurality of mobile terminal position distribution in the range of described building and spatial resolution set in advance, add up the quantity of mobile terminal in the range of described building；According to the mobile terminal quantity of statistics, simulation population spatial distribution in the range of described building.The accuracy of population spatial distribution in the range of simulant building thing can be effectively improved by the present invention.
Description
Technical field
The invention belongs to geographic information system technology field, particularly relate to analogy method and the dress of a kind of population spatial distribution
Put.
Background technology
The spatial distribution characteristic of urban population and daily variations are configuration urban public infrastructure and public service facility
With work out the important evidence of municipal public safety emergency guarantee scheme, be also one of the direction, forward position in urban geographic research field.
Three kinds of methods are mainly had: first method, population in use statistical number currently, with respect to the research of population spatial distribution
According to, set up population with naturally and the relation of the factor such as environment, the method carrying out adding up the spatialization process of demographic data, due to
Depend on consensus data, and the acquisition of census data needs to consume the input of substantial amounts of human and material resources, and population
GeneraI investigation needs the longer cycle, and the change to population spatial distribution in a short time can not reflect the most timely, further, since state
Inside there is presently no the consensus data distinguished round the clock, therefore, the correlational study of city population spatial distribution round the clock is difficult to out
Exhibition, extremely weak；Second method, uses remote sensing image, extracts the information relevant to population spatial distribution, set up information and people
The relation of mouth distribution simulates the side of the space distribution situation of population, compared with first method, has the most obvious on cost
Advantage, but be limited to spatial resolution and the temporal resolution of remote sensing image, the accuracy of population spatial distribution result is also subject to
Arrive corresponding restriction；The third method, registers number based on swipe the card record, social network sites of mobile terminal location data, mass transit card
According to, the big data research population spatial distribution such as taxi track data, bank brushing card record data.These are with positioning function
The big data in a large number with individual Spatio-Temporal Label that mobile terminal produces, for for a long time, follow the tracks of individual sky in high precision, efficiently
Between mobile provide possibility, solve the problem in the presence of first method and second method.Owing to mass transit card is swiped the card note
Record, social network sites big data such as data, taxi track data, bank brushing card record data of registering are limited by user's Activity Type
System, can not relatively accurately reflect the distribution characteristics in population space under large sample, and mobile terminal location data are not owing to being subject to
The restriction of User Activity type, applies relatively broad when studying population spatial distribution.But, the essence of mobile terminal location data
Degree can only rest on base station level, it is impossible to determines mobile terminal position in the range of the building of real space, cause based on
In the range of the digital simulation building of mobile terminal location, the accuracy of population spatial distribution is relatively low.
Therefore, it is necessary to a kind of new technical scheme is proposed, to solve above-mentioned technical problem.
Summary of the invention
In consideration of it, the embodiment of the present invention provides the analogy method of a kind of population spatial distribution and device, build improving simulation
Build the accuracy of population spatial distribution in the range of thing.
The first aspect of the embodiment of the present invention, it is provided that the analogy method of a kind of population spatial distribution, described method includes:
Obtaining multiple mobile terminal location data in the given time, described location data include the plurality of mobile whole
The position of the residing base station of end；
The plurality of mobile terminal is mapped to from the position of residing base station the building model in described base station range
In enclosing, to obtain the plurality of mobile terminal position distribution in the range of described building；
Divide according to the plurality of mobile terminal position distribution in the range of described building and space set in advance
Resolution, adds up the quantity of mobile terminal in the range of described building；
According to the mobile terminal quantity of statistics, simulation population spatial distribution in the range of described building.
The second aspect of the embodiment of the present invention, it is provided that the analog of a kind of population spatial distribution, described device includes:
Acquisition module, for obtaining multiple mobile terminal location data in the given time, described location data include
The position of base station residing for the plurality of mobile terminal；
Mapping block, for mapping to described base station range by the plurality of mobile terminal from the position of described base station
In the range of interior building, to obtain the plurality of mobile terminal position distribution in the range of described building；
Statistical module, for according to the plurality of mobile terminal position distribution in the range of described building and in advance
The spatial resolution set, adds up the quantity of mobile terminal in the range of described building；
Analog module, for the mobile terminal quantity according to statistics, simulation population space in the range of described building
Distribution.
The embodiment of the present invention compared with prior art exists and provides the benefit that: the embodiment of the present invention is by obtaining multiple shiftings
The position of dynamic terminal residing base station in the given time, and this position is mapped to the building scope in base station range
In, and then obtain multiple mobile terminal position distribution in the range of building, and according to this position distribution and preset
Spatial resolution statistics building in the range of the quantity of mobile terminal, and according to the mobile terminal Population number dynamic imitation building of statistics
In the range of population spatial distribution.The embodiment of the present invention can be covered by the position of base station residing for mobile terminal is mapped to base station
In the range of different types of building in the range of lid, and then according to the quantity of mobile terminal in the range of different types of building
Simulate the population spatial distribution of different building type, improve the standard of the population spatial distribution of the different building type of simulation
Exactness.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to embodiment or description of the prior art
The accompanying drawing used required in is briefly described, it should be apparent that, the accompanying drawing in describing below is only some of the present invention
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these
Accompanying drawing obtains other accompanying drawing.
Fig. 1 is the flowchart of the analogy method of the population spatial distribution that the embodiment of the present invention one provides；
Fig. 2 is the flowchart of the analogy method of the population spatial distribution that the embodiment of the present invention two provides；
Fig. 3 is resident based on mobile phone location data residence, certain city spatial distribution map；
Fig. 4 is resident based on mobile phone location data place of working, certain city spatial distribution map；
Fig. 5 is the composition schematic diagram of the analog of the population spatial distribution that the embodiment of the present invention three provides；
Fig. 6 is the composition schematic diagram of the analog of the population spatial distribution that the embodiment of the present invention four provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
Embodiment one:
What Fig. 1 showed the analogy method of the population spatial distribution that the embodiment of the present invention one provides realizes flow process, described reality
Details are as follows for existing flow process:
In step S101, obtaining multiple mobile terminal location data in the given time, described location data include
The position of base station residing for the plurality of mobile terminal.
In embodiments of the present invention, the described scheduled time can be the time.In order to simulate certain city dissimilar
Population spatial distribution in the range of building, can be according to the different demarcation building of the carried type of human activities of building
Type, the type of described building includes but not limited to residence, place of working etc..Such as, private residence, ordinary residence, commercial residential building
Mainly carry the dwelling activity of the mankind in building, above-mentioned building can be divided into the residence in this city, commercial street, office
The buildings such as building mainly carry the work activities of the mankind, and above-mentioned building can be divided into the place of working in this city.From this city
All mobile terminals in extract multiple mobile terminal location data in some day.Wherein, described location data include but not
Being limited to the identifier etc. of the position of base station residing for mobile terminal, current time, mobile terminal, described mobile terminal includes but does not limits
In mobile phone, panel computer etc..
In embodiments of the present invention, in order to improve the accuracy of simulation population spatial distribution, people can be simulated as required
The city number of mouth spatial distribution and actual demand, obtain a number of location data.
In step s 102, the plurality of mobile terminal is mapped to described base station range from the position of residing base station
In the range of interior building, to obtain the plurality of mobile terminal position distribution in the range of described building.
In embodiments of the present invention, according in step S101 obtain multiple mobile terminals in the given time described in
The position of base station residing for multiple mobile terminals, for building different types of in certain city, such as, residence and place of working,
The position of base station residing for mobile terminal each in the plurality of mobile terminal is mapped in this base station range in residence
In the range of each building, so that it may obtain in residence the position distribution of mobile terminal in the range of each building, the most logical
Simulate in the range of crossing the residence location data of each mobile terminal being promoted in base station range by base station level
The population spatial distribution of residence, improves real-time and the accuracy of simulation residence population spatial distribution；Or by described
Each in place of working in multiple mobile terminals, residing for each mobile terminal, the position of base station maps to this base station range build
Build in the range of thing, so that it may obtain in place of working the position distribution of mobile terminal in the range of each building, i.e. by will be every
Place of working is simulated in the range of the place of working that the location data of one mobile terminal are promoted in base station range by base station level
Population spatial distribution, improve real-time and the accuracy of simulation place of working population spatial distribution.
In step s 103, according to the plurality of mobile terminal position distribution in the range of described building and in advance
The spatial resolution set, adds up the quantity of mobile terminal in the range of described building.
In embodiments of the present invention, can be according to the plurality of mobile terminal in described base station range in residence
Position distribution in the range of each building and spatial resolution set in advance, add up each building in described residence
In the range of the quantity of mobile terminal；Or according to the plurality of mobile terminal in described base station range in place of working every
Position distribution in the range of one building and spatial resolution set in advance, add up each building model in described place of working
Enclose the quantity of interior mobile terminal.Here, described spatial resolution set in advance is 50 meters * 50 meters, in this no limit.
In step S104, according to the mobile terminal quantity of statistics, simulation population space in the range of described building
Distribution.
In embodiments of the present invention, can be according to each building model in residence in the described base station range of statistics
Enclose the quantity of interior mobile terminal, the mobile terminal quantity of statistics in the range of each for residence building is converted into grid number
According to, and according to the population spatial distribution of described raster data simulation residence；Or the described base station range according to statistics
The quantity of mobile terminal in the range of each building in interior place of working, will the movement of statistics in the range of each for place of working building
Terminal quantity is converted into raster data, and according to the population spatial distribution in described raster data simulation place of working.
The embodiment of the present invention is by obtaining the position of multiple mobile terminals residing base station in the given time, and by this position
In the range of mapping to the building in base station range, and then obtain multiple mobile terminal position in the range of building and divide
Cloth, and according to the quantity of mobile terminal in the range of this position distribution and spatial resolution set in advance statistics building, and
The population spatial distribution in the range of mobile terminal Population number dynamic imitation building according to statistics.The embodiment of the present invention will be by moving eventually
In the range of the position of the residing base station of end maps to the different types of building in base station range, and according to different types of
In the range of building, the quantity of mobile terminal simulates the population spatial distribution of different building type, thus improves simulation not
Accuracy with the population spatial distribution of building type.
Embodiment two:
What Fig. 2 showed the analogy method of the population spatial distribution that the embodiment of the present invention two provides realizes flow process, described reality
Details are as follows for existing flow process:
In step s 201, obtaining multiple mobile terminal location data in the given time, described location data include
The position of base station residing for the plurality of mobile terminal.
In embodiments of the present invention, the described scheduled time can be the time.In order to simulate a certain city in inhomogeneity
Population spatial distribution in the range of type building, can extract multiple mobile terminal at certain from all mobile terminals in this city
The location data of one day.Wherein, described location data include but not limited to the position of base station residing for mobile terminal, current time,
The identifier etc. of mobile terminal, described mobile terminal includes but not limited to mobile phone, panel computer etc..
In embodiments of the present invention, in order to improve the accuracy of simulation population spatial distribution, people can be simulated as required
The city number of mouth spatial distribution and actual demand, obtain a number of location data.
Preferably, before obtaining multiple mobile terminal location data in the given time in step s 201, described side
Method also includes:
Building type weights are set.
In embodiments of the present invention, building is the main load bearing unit that urban population carries out activity, different types of builds
Build the thing Activity Type again to population and carry out the division of obvious space.As with the building as underlying attribute of living, such as resident
In community, the Activity Type that population is carried out, will not be based on work based on inhabitation of living.And with business as underlying attribute
Building, such as the regions such as CBD, the Activity Type that population is carried out, then based on work, seldom carries out the activity of inhabitation type.Cause
How this, for positioning, based on mobile terminal, residence and the work that data are promoted in base station range from base station level
Make the population spatial distribution in the range of ground, then need building type is carried out weight setting, belong to for main to live as set
Property building, its carrying resident population probability be 0.9, its carrying working population probability be 0.1；Set based on work
Wanting the building of attribute, the probability of its carrying working population is 0.9, and the probability carrying resident population is 0.1.Can be according to often
In one base station range, the difference of the type of human activities that building is carried and the practical situation in concrete research city come
Arranging building type weights, described building type weights include but not limited to residence weights and place of working weights etc..
In step S202, according to the position of base station residing for the plurality of mobile terminal, add up the plurality of mobile terminal
Number M of residing base station, wherein, M is the integer more than zero.
In embodiments of the present invention, according to the multiple mobile terminals obtained in step s 201 in the location data of some day
In mobile terminal residing for the position of base station, can determine whether the position of base station residing for each mobile terminal in the plurality of mobile terminal
Put, and then add up the number of base station residing for the plurality of mobile terminal.
In step S203, according to the position of base station residing for the plurality of mobile terminal, obtain each base station range
The quantity of interior mobile terminal.
In embodiments of the present invention, according to the position of base station residing for mobile terminal each in the plurality of mobile terminal, can
Obtain the quantity of mobile terminal in each base station range.
In step S204, according to the quantity of mobile terminal, building set in advance in described each base station range
In species type weights and described each base station range, the area of each building, calculates described each base station range
The quantity of mobile terminal in the range of interior each building.
In embodiments of the present invention, for building different types of in certain city, such as, residence and place of working, root
Cover according to the quantity of mobile terminal, residence set in advance weights and described each base station in described each base station range
The area of each building in residence in the range of lid, calculates in described each base station range each building in residence
In the range of the quantity of mobile terminal；Or according to the quantity of mobile terminal in described each base station range, set in advance
In place of working weights and described each base station range, the area of each building in place of working, calculates described each base station
The quantity of mobile terminal in place of working in coverage.
Further, described according to the quantity of mobile terminal, building set in advance in described each base station range
In species type weights and described each base station range, the area of each building, calculates described each base station range
In the range of interior each building, the quantity of mobile terminal may include that
Step one, according to each building in building type weights set in advance and described each base station range
Area, calculate the probability in the range of the mobile terminal in described each base station range is in i-th buildingWherein, WiFor the building type weights of i-th building, WjBuilding type for jth building is weighed
Value, AiFor the area of i-th building, AjFor the area of jth building, i, j, n are the integer more than zero.
In embodiments of the present invention, for building different types of in certain city, can be according to inhabitation set in advance
The area of each building in residence in ground weights and described each base station range, calculates described each base station and covers model
Enclose the probability in the range of the mobile terminal in interior residence is in i-th buildingWherein, WiBuild for i-th
Build the residence weights of thing, WjFor the residence weights of jth building, AiFor the area of i-th building, AjBuild for jth
Build the area of thing；Or build according to each in place of working in place of working set in advance weights and described each base station range
Build the area of thing, in the range of the mobile terminal calculated in described each base station range in place of working is in i-th building
ProbabilityWherein, WiFor the place of working weights of i-th building, WjWork land ownership for jth building
Value, AiFor the area of i-th building, AjArea for jth building.
Step 2, according to the quantity of mobile terminal in described each base station range and described each base station range
Interior mobile terminal is in the probability P in the range of i-th buildingi, calculate i-th building model in each base station range
Enclose the quantity of interior mobile terminal.
In embodiments of the present invention, for building different types of in certain city, can cover according to described each base station
In the range of lid in residence in the quantity of mobile terminal and described each base station range in residence mobile terminal be in i-th
Probability P in the range of individual buildingi, calculate in each base station range in residence in the range of i-th building mobile eventually
The quantity of end；Or according to the quantity of mobile terminal in ground, place of working in described each base station range and described each base station
Probability P in the range of mobile terminal is in i-th building in ground, place of working in coveragei, calculate each base station and cover model
Enclose in interior place of working the quantity of mobile terminal in the range of i-th building.
Step 3, repeated execution of steps one and step 2, build until each in calculating described each base station range
Build the quantity of mobile terminal in the range of thing.
In embodiments of the present invention, repeated execution of steps one and step 2, can calculate in described each base station range
The quantity of mobile terminal in the range of each building in residence；Or calculate in described each base station range each in place of working
The quantity of mobile terminal in the range of building.
In step S205, according to the quantity of mobile terminal in the range of described each building, it is thus achieved that the plurality of movement
Terminal position distribution in the range of building in M base station range.
In embodiments of the present invention, can be according to building scope each in residence in described each base station range
The quantity of interior mobile terminal, it is thus achieved that in residence position in the range of building in M base station range for the plurality of mobile terminal
Put distribution；Or according to the quantity of mobile terminal in the range of each building in place of working in described each base station range,
Obtain the plurality of mobile terminal position distribution in the range of building in place of working in M base station range.Will each move
The location data of dynamic terminal are promoted in base station range in residence or place of working by base station level, improve simulation and occupy
Residence or the real-time of place of working population spatial distribution and accuracy.
In step S206, according to the plurality of mobile terminal in described M base station range in the range of building
Position distribution and spatial resolution set in advance, add up the quantity of mobile terminal in the range of described building.
In embodiments of the present invention, can be according to the plurality of mobile terminal in described base station range in residence
Position distribution in the range of each building and spatial resolution set in advance, add up each building in described residence
In the range of the quantity of mobile terminal；Or according to the plurality of mobile terminal in described base station range in place of working every
Position distribution in the range of one building and spatial resolution set in advance, add up each building model in described place of working
Enclose the quantity of interior mobile terminal.Here, described spatial resolution set in advance is 50 meters * 50 meters, in this no limit.
In step S207, according to the mobile terminal quantity of statistics, simulation population space in the range of described building
Distribution.
In embodiments of the present invention, can be according to each building in residence in described M the base station range of statistics
The quantity of the mobile terminal in the range of thing, is converted into grid by the mobile terminal quantity of statistics in the range of each for residence building
Data, and the population spatial distribution of described residence is simulated according to described raster data；Or described M the base station according to statistics
The quantity of mobile terminal in the range of each building in place of working in coverage, will unite in the range of each for place of working building
The mobile terminal quantity of meter is converted into raster data, and divides according to the population space in the described place of working of described raster data simulation
Cloth.
Exemplary, certain the city domestic mobile phone location data some day in March, 2012 can be selected to test.From
Article about 16,000,000, in the record of mobile phone location, identify residence and the place of working of 7,930,000 cellphone subscribers of 10,120,000 cellphone subscribers,
Firstly, it is necessary to combine the concrete condition of building attribute and this city, building different types of in this city is weighed
Value sets, as table 1 is residence and the weight setting table in place of working in this city, if Fig. 3 is that this city positions number based on mobile phone
According to resident residence spatial distribution map, i.e. the population spatial distribution simulation drawing on this urban residence ground；As Fig. 4 be this city based on
The resident place of working spatial distribution map of mobile phone location data, i.e. the population spatial distribution simulation drawing on this urban work ground.
Table 1 residence and place of working weights
The embodiment of the present invention is by obtaining the position of multiple mobile terminals residing base station in the given time, and according to difference
In the range of this position is mapped to the building in base station range by the building type weights of type, and then obtain multiple shifting
Dynamic terminal position distribution in the range of building, and build according to this position distribution and spatial resolution set in advance statistics
Build the quantity of mobile terminal in the range of thing, and divide according to the population space in the range of the mobile terminal Population number dynamic imitation building of statistics
Cloth.The embodiment of the present invention is by according to different types of building type weights, mapping the position of base station residing for mobile terminal
In the range of different types of building to base station range, and by mapping to different types of building in the range of
Mobile terminal quantity simulates the population spatial distribution of different building type, thus improves the different building type of simulation
The accuracy of population spatial distribution.
Embodiment three:
Fig. 5 shows the composition schematic diagram of the analog of the population spatial distribution that the embodiment of the present invention three provides, in order to
Being easy to explanation, illustrate only the part relevant to the embodiment of the present invention, details are as follows:
The analog of described population spatial distribution includes acquisition module 51, mapping block 52, statistical module 53 and mould
Intend module 54；
Wherein, acquisition module 51, for obtaining multiple mobile terminal location data in the given time, described location number
According to including the position of base station residing for the plurality of mobile terminal；
Mapping block 52, covers model for the plurality of mobile terminal maps to described base station from the position of described base station
In the range of enclosing interior building, to obtain the plurality of mobile terminal position distribution in the range of described building；
Statistical module 53, for according to the plurality of mobile terminal position distribution in the range of described building and pre-
The spatial resolution first set, adds up the quantity of mobile terminal in the range of described building；
Analog module 54, for the mobile terminal quantity according to statistics, simulation population in the range of described building is empty
Between be distributed.
The analog of the population spatial distribution that the embodiment of the present invention provides can use the method in aforementioned correspondence to implement
In example one, details see the description of above-described embodiment one, do not repeat them here.
Embodiment four:
Fig. 6 shows the composition schematic diagram of the analog of the population spatial distribution that the embodiment of the present invention four provides, in order to
Being easy to explanation, illustrate only the part relevant to the embodiment of the present invention, details are as follows:
The analog of described population spatial distribution includes arranging module 61, acquisition module 62, mapping block 63, statistics mould
Block 64 and analog module 65；
Wherein, module 61 is set, for before obtaining multiple mobile terminals location data in the given time, arranges
Building type weights；
Acquisition module 62, for obtaining multiple mobile terminal location data in the given time, described location packet
Include the position of base station residing for the plurality of mobile terminal；
Mapping block 63, covers model for the plurality of mobile terminal maps to described base station from the position of described base station
In the range of enclosing interior building, to obtain the plurality of mobile terminal position distribution in the range of described building；
Statistical module 64, for according to the plurality of mobile terminal position distribution in the range of described building and pre-
The spatial resolution first set, adds up the quantity of mobile terminal in the range of described building；
Analog module 65, for the mobile terminal quantity according to statistics, simulation population in the range of described building is empty
Between be distributed.
Further, described mapping block 63 includes:
Statistic unit 631, for the position according to base station residing for the plurality of mobile terminal, adds up the plurality of mobile whole
Number M of the residing base station of end, wherein, M is the integer more than zero；
Acquiring unit 632, for the position according to base station residing for the plurality of mobile terminal, obtains each base station and covers model
Enclose the quantity of interior mobile terminal；
Computing unit 633, for according to the quantity of mobile terminal in described each base station range, set in advance build
Build the area of each building in species type weights and described each base station range, calculate described each base station and cover model
Enclose the quantity of mobile terminal in the range of interior each building；
Obtain unit 634, for according to the quantity of mobile terminal in the range of described each building, it is thus achieved that the plurality of shifting
Move terminal position distribution in M base station range in the range of building.
Further, described computing unit 633 includes:
First computation subunit, for according to building type weights set in advance and described each base station range
In the area of each building, calculate in the range of the mobile terminal in described each base station range is in i-th building
ProbabilityWherein, WiFor the building type weights of i-th building, WjBuilding for jth building
Type weights, AiFor the area of i-th building, AjFor the area of jth building, i, j, n are the integer more than zero；
Second computation subunit, for according to the quantity of mobile terminal in described each base station range and described each
Mobile terminal in base station range is in the probability P in the range of i-th buildingi, calculate in each base station range
The quantity of mobile terminal in the range of i-th building；
3rd computation subunit, is used for repeating described first computation subunit and described second computation subunit, directly
To calculating in described each base station range the quantity of mobile terminal in the range of each building.
The analog of the population spatial distribution that the embodiment of the present invention provides can use the method in aforementioned correspondence to implement
In example two, details see the description of above-described embodiment two, do not repeat them here.
The technical staff in described field is it can be understood that arrive, for convenience and simplicity of description, only with above-mentioned each function
The division of module is illustrated, and in actual application, can distribute above-mentioned functions by different function moulds as desired
Block completes, and the internal structure of the most described device is divided into different functional modules, and above-mentioned functions module both can use hardware
Form realizes, it would however also be possible to employ the form of software realizes.It addition, the specific name of each functional module is also only to facilitate mutually
Difference, is not limited to the protection domain of the application.
In sum, the embodiment of the present invention obtains the position of multiple mobile terminals residing base station in the given time, and will
In the range of this position maps to the building in base station range, and then obtain multiple mobile terminal in the range of building
Position distribution, and according to the number of mobile terminal in the range of this position distribution and spatial resolution set in advance statistics building
Amount, and according to the population spatial distribution in the range of the mobile terminal Population number dynamic imitation building of statistics.The embodiment of the present invention is passed through will
In the range of the position of base station residing for mobile terminal maps to the different types of building in base station range, and according to difference
In the range of the building of type, the quantity of mobile terminal simulates the population spatial distribution of different building type, thus improves
The accuracy of the population spatial distribution of the different building type of simulation.
Those of ordinary skill in the art it is also understood that, it is achieved all or part of step in above-described embodiment method is can
Completing instructing relevant hardware by program, described program can be stored in a computer read/write memory medium
In, described storage medium, including ROM/RAM, disk, CD etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (8)
1. the analogy method of a population spatial distribution, it is characterised in that described method includes:
Obtaining multiple mobile terminal location data in the given time, described location data include the plurality of mobile terminal institute
The position of base station, place；
By the plurality of mobile terminal in the range of the building that the position of residing base station maps in described base station range,
To obtain the plurality of mobile terminal position distribution in the range of described building；
According to the plurality of mobile terminal position distribution in the range of described building and spatial resolution set in advance,
Add up the quantity of mobile terminal in the range of described building；
According to the mobile terminal quantity of statistics, simulation population spatial distribution in the range of described building.
Method the most according to claim 1, it is characterised in that obtaining multiple mobile terminals location in the given time
Before data, also include:
Building type weights are set.
Method the most according to claim 1 and 2, it is characterised in that described by the plurality of mobile terminal from residing base station
Position map to described building in the range of, divide obtaining the plurality of mobile terminal position in the range of described building
Cloth includes:
According to the position of base station residing for the plurality of mobile terminal, add up number M of base station residing for the plurality of mobile terminal, its
In, M is the integer more than zero；
According to the position of base station residing for the plurality of mobile terminal, obtain the quantity of mobile terminal in each base station range；
According to the quantity of mobile terminal in described each base station range, building type weights set in advance and described
The area of each building in each base station range, calculates in described each base station range in the range of each building
The quantity of mobile terminal；
According to the quantity of mobile terminal in the range of described each building, it is thus achieved that the plurality of mobile terminal covers M base station
Position distribution in the range of interior building.
Method the most according to claim 3, it is characterised in that described according to mobile whole in described each base station range
The area of each building in quantity, building type weights set in advance and described each base station range of end,
Calculate in described each base station range the quantity of mobile terminal in the range of each building to include:
Step one, according to the face of each building in building type weights set in advance and described each base station range
Long-pending, calculate the probability in the range of the mobile terminal in described each base station range is in i-th buildingWherein, WiFor the building type weights of i-th building, WjBuilding type for jth building is weighed
Value, AiFor the area of i-th building, AjFor the area of jth building, i, j, n are the integer more than zero；
Step 2, according in the quantity of mobile terminal in described each base station range and described each base station range
Mobile terminal is in the probability P in the range of i-th buildingi, calculate in each base station range in the range of i-th building
The quantity of mobile terminal；
Step 3, repeated execution of steps one and step 2, until calculating each building in described each base station range
In the range of the quantity of mobile terminal.
5. the analog of a population spatial distribution, it is characterised in that described device includes:
Acquisition module, for obtaining multiple mobile terminal location data in the given time, described location data include described
The position of base station residing for multiple mobile terminals；
Mapping block, for mapping to the plurality of mobile terminal in described base station range from the position of described base station
In the range of building, to obtain the plurality of mobile terminal position distribution in the range of described building；
Statistical module, for according to the plurality of mobile terminal position distribution in the range of described building and preset
Spatial resolution, add up the quantity of mobile terminal in the range of described building；
Analog module, for the mobile terminal quantity according to statistics, simulation population spatial distribution in the range of described building.
Device the most according to claim 5, it is characterised in that described device also includes:
Module is set, for, before obtaining multiple mobile terminals location data in the given time, arranging building type
Weights.
7. according to the device described in claim 5 or 6, it is characterised in that described mapping block includes:
Statistic unit, for the position according to base station residing for the plurality of mobile terminal, adds up residing for the plurality of mobile terminal
Number M of base station, wherein, M is the integer more than zero；
Acquiring unit, for the position according to base station residing for the plurality of mobile terminal, moves in obtaining each base station range
The quantity of dynamic terminal；
Computing unit, for according to the quantity of mobile terminal, building species set in advance in described each base station range
The area of each building in type weights and described each base station range, every in calculating described each base station range
The quantity of mobile terminal in the range of one building；
Obtain unit, for according to the quantity of mobile terminal in the range of described each building, it is thus achieved that the plurality of mobile terminal
Position distribution in the range of building in M base station range.
Device the most according to claim 7, it is characterised in that described computing unit includes:
First computation subunit, for according to every in building type weights set in advance and described each base station range
The area of one building, calculate that the mobile terminal in described each base station range is in the range of i-th building is general
RateWherein, WiFor the building type weights of i-th building, WjBuilding type for jth building
Weights, AiFor the area of i-th building, AjFor the area of jth building, i, j, n are the integer more than zero；
Second computation subunit, for according to the quantity of mobile terminal in described each base station range and described each base station
Mobile terminal in coverage is in the probability P in the range of i-th buildingi, calculate i-th in each base station range
The quantity of mobile terminal in the range of building；
3rd computation subunit, is used for repeating described first computation subunit and described second computation subunit, until meter
Calculate in described each base station range the quantity of mobile terminal in the range of each building.
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