CN108810819A - A kind of earth's surface localization method and medium based on network communication - Google Patents
A kind of earth's surface localization method and medium based on network communication Download PDFInfo
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- CN108810819A CN108810819A CN201810518533.7A CN201810518533A CN108810819A CN 108810819 A CN108810819 A CN 108810819A CN 201810518533 A CN201810518533 A CN 201810518533A CN 108810819 A CN108810819 A CN 108810819A
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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
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/22—Traffic simulation tools or models
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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
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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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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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a kind of earth's surface localization method based on network communication, including origin reference location and its corresponding initial bit letter value are obtained, establish origin reference location and the first local association in time；And the first initial alignment is generated according to origin reference location；Motion track, the second local zone time of positioning target are obtained in real time；The first location information is calculated in real time according to motion track and initial alignment, calculates the corresponding first letter value of the first location information in real time according to motion track, the second local zone time and the first local zone time, and by the first location information and first letter value real-time broadcast；Pass through the second location information of acquisition for mobile terminal and second letter value；Judge whether second letter value is more than first letter value；If so, the second initial alignment is calculated according to the second location information and its corresponding first signal receiving strength, and using second letter value as the corresponding position letter value of the second initial alignment.The dependence that positioning acquisition modes dispose hardware can be mitigated, reduce location information procurement cost.
Description
Technical field
The present invention relates to wireless technical fields, and in particular to a kind of earth's surface localization method and medium based on network communication.
Background technology
With internet and smart mobile phone fast development, people are more and more general for the demand for positioning and navigating
Time.Currently, for outdoor environment, global positioning system (GPS) has been applied successfully to position and navigate, such as vehicle mounted guidance, room
Outer rescue retrieval etc..
However, in the case of no infrastructure, data used for positioning are main or pass through default a large amount of sensing
Device carries out the acquisition, such as infrared sensor, ultrasonic sensor, rfid device etc. of location information.These positioning letters
The acquisition modes of breath depend critically upon the deployment of hardware, and installation is not easy, and with high costs.
Invention content
The purpose of the present invention is to provide one kind, positioning method system deployment in the prior art can be overcome complicated, peace
Dress difficulty and disadvantage with high costs.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of earth's surface localization method based on network communication, including：
By acquisition for mobile terminal origin reference location and its corresponding initial bit letter value, establishing the origin reference location should with acquisition
The first local association in time when origin reference location；And the first initial alignment is generated according to the origin reference location；
Obtain motion track, the second local zone time of positioning target in real time by mobile terminal；According to the motion track
The first location information is calculated in real time with the initial alignment, according to motion track, the second local zone time and the first local zone time
The corresponding first letter value of first location information is calculated in real time, and first location information and first letter value is real-time
Broadcast；
Pass through the second location information of acquisition for mobile terminal and second letter value；
Judge whether the second letter value is more than first letter value；
If so, it is initially fixed to calculate second according to second location information and its corresponding first signal receiving strength
Position, and using the second letter value as the corresponding position letter value of second initial alignment.
Further, described also to be wrapped before by acquisition for mobile terminal origin reference location and its corresponding initial bit letter value
It includes：
It presets multiple collection points with wireless communication function and the multiple collection point acquires ID correspondingly, it is described
Collection point is stored with origin reference location corresponding with its installation site and the corresponding initial bit letter value of origin reference location；
The origin reference location and the initial bit letter value are carried out real-time broadcast by the collection point.
Further, the first initial alignment is generated according to the origin reference location, specially：
According to the second signal receiving intensity described in the origin reference location and the acquisition for mobile terminal when origin reference location
Calculate the first initial alignment.
Further, further include：
BIM models are established according to architecture information, the acquisition work D and its corresponding origin reference location are updated to the BIM
Model.
Further, further include：
GIS electronic maps are obtained, it is right in the GIS electronic maps to obtain the BIM models according to the architecture information
The construction area answered；
The BIM models are adjusted according to the architecture information and GIS electronic maps, and are superimposed to the building
Region generates the BIM models positioned with absolute longitude and latitude.
Further, further include：
By first location information in the BIM models real-time display.
Further, further include：
Wall information is obtained according to the architecture information, the wall information includes wall material and thickness of wall body；
The corresponding signal attenuation coefficient of each wall is calculated according to the wall information；
The mobile terminal calculates first initial alignment also according to the signal attenuation coefficient.
Further, described to calculate described in real time according to motion track, the second local zone time and the first local zone time
The corresponding first letter value of one location information, specially：
The displacement distance after the positioning Target Acquisition origin reference location is calculated according to the motion track；
Mobile duration is calculated according to first local zone time and second local zone time；
It is first corresponding according to the initial bit letter value, displacement distance and the first location information described in mobile duration calculation
Letter value.
Correspondingly, the invention also discloses a kind of computer readable storage medium, in the computer readable storage medium
It is stored with computer program, the computer program realizes that the above-mentioned earth's surface based on network communication is fixed when being executed by processor
The step of position method.
The beneficial effects of the present invention are：By acquisition for mobile terminal origin reference location, and according to motion track and when moving
It is long to calculate the corresponding position letter value of the first location information generated, the amendment of location information is carried out by the comparison of position letter value.In this way,
It can mitigate and obtain location information mode for the dependence of hardware, reduce cost, and simple installation.
Description of the drawings
Fig. 1 is a kind of flow diagram of the earth's surface localization method based on network communication disclosed by the invention；
Fig. 2 is the flow diagram of an embodiment disclosed by the invention.
Specific implementation mode
Exemplary embodiments of the present invention are described in detail with reference to the accompanying drawings.Illustrative embodiments are retouched
The purpose merely for the sake of demonstration is stated, and is definitely not to the present invention and its application or the limitation of usage.
The design of most critical of the present invention is：By acquisition for mobile terminal origin reference location, and according to motion track and movement
The corresponding position letter value of the first location information that duration calculation generates carries out the amendment of location information by the comparison of position letter value.Such as
This, can mitigate and obtain location information mode for the dependence of hardware, reduce cost, and simple installation.
Embodiment
Referring to Fig.1 and 2, a kind of earth's surface localization method based on network communication provided by the invention, including：
By acquisition for mobile terminal origin reference location and its corresponding initial bit letter value, establishes origin reference location and obtained with mobile terminal
Took for the when origin reference location first local association in time；And the first initial alignment is generated according to origin reference location.Wherein, letter value in position is visual
For the index evaluated location information reliability.Origin reference location is to be obtained or directly via navigation system by pre-setting
System obtains, and precision should be highest rank.Therefore, origin reference location is given by preset mode with highest initial bit to believe
Value.It should be noted that by way of acquisition for mobile terminal origin reference location can there are many.For example, passing through GPS system or north
The satellite navigation system that struggles against obtains the location information of mobile terminal, and the location information that the last time gets is determined as benchmark
Position.
As a preferred embodiment, the present invention is by default multiple collection points with wireless communication function and respectively
The corresponding acquisition ID in a collection point is stored with origin reference location corresponding with its installation site in the collection point and origin reference location is corresponding
Initial bit letter value, origin reference location and initial bit letter value are carried out real-time broadcast by collection point.In turn, mobile terminal can pass through reception
The form of the broadcast of collection point carries out the acquisition of origin reference location and initial bit letter value.Wherein, the wireless communication mode of collection point can
It is configured in the form of using bluetooth, zigbee or WiFi etc..Preferably, collection point may be provided at road both sides street lamp, small
The positions such as area entrance gate inhibition, extra exit guiding lamp, by connecting wireless communication module for electric installation with each electricity consumption device
It connects, simple installation.Then, mobile terminal arrives after getting origin reference location according to origin reference location and acquisition for mobile terminal
Second signal receiving intensity when the origin reference location calculates the first initial alignment.It should be noted that the quantity of origin reference location can
To be one or multiple.
Obtain motion track, the second local zone time of positioning target in real time by mobile terminal.It is found that existing mobile whole
Inertial sensor is provided in end mostly.And inertial sensor includes at least accelerometer, magnetometer, gyroscope.It is passed by inertia
Sensor can monitor its motion track in real time during positioning target movement.Wherein, the second local zone time is mobile terminal
Real-time local zone time.
The first location information is calculated in real time according to motion track and initial alignment, i.e., positioning target is calculated according to motion track
Motion track calculate with the relative displacement of the first initial alignment, and then carry out first according to the first initial alignment and relative displacement
The calculating of location information.The first location information is calculated in real time according to motion track, the second local zone time and the first local zone time
Corresponding first letter value, and by the first location information and first letter value real-time broadcast.Wherein, it is moved by mobile terminal
The monitoring of dynamic rail mark, and then the mode for calculating location information can carry out precise positioning in a short time.However, which when
Between continue it is longer or apart from across it is longer when, there are accumulated errors, have certain influence to the precision of location information.Therefore, lead to
Cross the judgement that setting position letter value carries out location information reliability.Wherein, the calculation of first letter value can there are many.Example
Such as, mobile duration is directly calculated according to the time of the first local zone time and the second local zone time, according to mobile duration calculation first
Position letter value calculates first letter value alternatively, calculating displacement distance according to motion track according to displacement distance.
As a preferred embodiment, the present invention is calculated according to motion track after positioning Target Acquisition origin reference location
Displacement distance calculates mobile duration according to the first local zone time and the second local zone time, according to initial bit letter value, displacement distance and
First letter value of mobile duration calculation.Wherein, can by test the historical data obtained by statistical analysis obtain mobile duration,
The influence coefficient of displacement distance contraposition letter.And then first letter value is carried out by the influence coefficient, displacement distance and mobile duration
Calculating.
First location information and first letter value are subjected to real-time broadcast.It should be noted that can be converted by setting
The form of frequency allows mobile terminal to be switched in real-time broadcast with broadcast two ways is received.In this way, mobile terminal is being broadcasted
While self poisoning information and the corresponding position letter value of the location information are corrected so that other mobile terminal devices carry out positioning,
The location information of the origin reference location or other mobile terminals that receive collection point carries out the correction of self poisoning information.Alternatively, can
Believe that the form of threshold value carries out the restriction of real-time broadcast by the way that position is arranged.That is, when position letter value is less than preset position and believes threshold value, that is, take
Disappear real-time broadcast.
By the second location information of acquisition for mobile terminal and second letter value, it is mobile whole to judge whether second letter value is more than
First letter value at end；If so, it is initial to calculate second according to the second location information and its corresponding first signal receiving strength
Positioning, and using second letter value as the corresponding position letter value of the second initial alignment.It should be noted that second location information and
Second letter value can be the origin reference location and initial bit letter value of collection point broadcast, can also be the reality of other mobile terminals broadcast
When location information and its corresponding position letter value.In this way, by the comparison of position letter value, can to the real-time positioning information of mobile terminal into
Row is corrected, and the accumulated error brought because long-time monitors location information by inertial sensor is reduced.For example, in megastore
Or in office office building.The corresponding position letter value of its position information of mobile terminal of the personnel for having goed deep into interior of building less than just into
Enter the corresponding position letter value of interior of building personnel's position information of mobile terminal.After comparison by position letter value, going deep into personnel can
The amendment of self poisoning information is carried out according to the location information that letter value high mobile terminal in position is broadcasted.
As a preferred embodiment, a kind of earth's surface localization method based on network communication provided by the invention also wraps
It includes：
BIM models are established according to architecture information, and acquisition ID and its corresponding origin reference location are updated to BIM models.Its
In, architecture information includes location information, geological information, the construction Information etc. of building.By the way that ID and its corresponding benchmark will be acquired
Positioned update to BIM models can in visual form be presented collection point.Preferably, GIS electronic maps can be obtained,
And BIM models corresponding construction area in GIS electronic maps is obtained according to the building location information in architecture information.Wherein,
Build the absolute latitude and longitude information and elevation information that location information is each datum mark that BIM models correspond to building.Believed according to building
Breath, GIS electronic maps are adjusted BIM models, and are superimposed to construction area.It is found that GIS electronic maps have certain contracting
Ratio is put, BIM models are also such.The ratio and orientation of BIM models are carried out by architecture information and GIS electronic maps
Construction area is superimposed to after adjustment, you can BIM models and GIS electronic maps are combined, obtains and is carried out with absolute longitude and latitude
The BIM models of positioning.Preferably, the first location information is subjected to real-time display in BIM models.In turn, user can pass through
Its mobile terminal intuitively knows itself present position.Alternatively, its input can be instructed by the acquisition for mobile terminal of user, from
And it realizes to take action to user and navigate.Alternatively, each architectural control personnel by the intuitive display can obtain personnel under construction
Distribution or accumulation situation.
As a preferred embodiment, a kind of earth's surface localization method based on network communication provided by the invention also wraps
It includes：
Wall information is obtained according to architecture information, which includes wall material, thickness of wall body.It is found that wall material
Matter includes concrete strength, bar diameter, reinforcing bar arrangement density etc..And different wall materials and thickness of wall body can be to acquisitions
The broadcasted signal strength of point causes different degrees of influence.Therefore the calculating of signal attenuation coefficient is carried out according to wall information,
And then mobile terminal, using signal attenuation coefficient as a wherein influence factor, can be improved first when calculating the first initial alignment
The accuracy of initial alignment.
A kind of earth's surface localization method based on network communication disclosed by the invention compared with prior art, is believed by the way that position is arranged
Value, and then the location information of each mobile terminal is modified by the comparison of position letter value.Mitigate location information acquisition modes pair
The dependence of hardware deployment, can reduce scheme implementation cost, improve scheme operational feasibility.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, include similarly
In the scope of patent protection of the present invention.
Claims (9)
1. a kind of earth's surface localization method based on network communication, which is characterized in that including：
By acquisition for mobile terminal origin reference location and its corresponding initial bit letter value, establishes the origin reference location and obtain the benchmark
The first local association in time when positioning；And the first initial alignment is generated according to the origin reference location；
Obtain motion track, the second local zone time of positioning target in real time by mobile terminal；According to the motion track and institute
It states initial alignment and calculates the first location information in real time, it is real-time according to motion track, the second local zone time and the first local zone time
The corresponding first letter value of first location information is calculated, and first location information and first letter value is wide in real time
It broadcasts；
Pass through the second location information of acquisition for mobile terminal and second letter value；
Judge whether the second letter value is more than first letter value；
If so, the second initial alignment is calculated according to second location information and its corresponding first signal receiving strength, and
Using the second letter value as the corresponding position letter value of second initial alignment.
2. a kind of earth's surface localization method based on network communication as described in claim 1, which is characterized in that described to pass through movement
Terminal obtains origin reference location and its corresponding initial bit letter value further includes before：
It presets multiple collection points with wireless communication function and the multiple collection point acquires ID, the acquisition correspondingly
Point is stored with origin reference location corresponding with its installation site and the corresponding initial bit letter value of origin reference location；
The origin reference location and the initial bit letter value are carried out real-time broadcast by the collection point.
3. a kind of earth's surface localization method based on network communication as claimed in claim 2, which is characterized in that described in the basis
Origin reference location generates the first initial alignment, specially：
It is calculated according to the second signal receiving intensity described in the origin reference location and the acquisition for mobile terminal when origin reference location
First initial alignment.
4. a kind of earth's surface localization method based on network communication as claimed in claim 2, which is characterized in that further include：
BIM models are established according to architecture information, the acquisition ID and its corresponding origin reference location are updated to the BIM models.
5. a kind of earth's surface localization method based on network communication as claimed in claim 4, which is characterized in that further include：
GIS electronic maps are obtained, it is corresponding in the GIS electronic maps to obtain the BIM models according to the architecture information
Construction area；
The BIM models are adjusted according to the architecture information and GIS electronic maps, and are superimposed to the building area
Domain generates the BIM models positioned with absolute longitude and latitude.
6. a kind of earth's surface localization method based on network communication as described in claim 4 or 5, which is characterized in that further include：
By first location information in the BIM models real-time display.
7. a kind of earth's surface localization method based on network communication as described in claim 4 or 5, which is characterized in that further include：
Wall information is obtained according to the architecture information, the wall information includes wall material and thickness of wall body；
The corresponding signal attenuation coefficient of each wall is calculated according to the wall information；
The mobile terminal calculates first initial alignment also according to the signal attenuation coefficient.
8. a kind of earth's surface localization method based on network communication as described in claim 1, which is characterized in that described according to movement
Track, the second local zone time and the first local zone time calculate the corresponding first letter value of first location information in real time, tool
Body is：
The displacement distance after the positioning Target Acquisition origin reference location is calculated according to the motion track；
Mobile duration is calculated according to first local zone time and second local zone time；
According to the initial bit letter value, displacement distance first letter corresponding with the first location information described in mobile duration calculation
Value.
9. a kind of computer readable storage medium, it is characterised in that：It is stored with computer in the computer readable storage medium
Program, when being executed by processor, realization is based on the computer program as described in claim 1 to any one of claim 8
The step of earth's surface localization method of network communication.
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| CN108810819B (en) | 2021-05-14 |
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