CN106874567A - A kind of WLAN project planning Visual Design Systems based on CAD diagram shape - Google Patents
A kind of WLAN project planning Visual Design Systems based on CAD diagram shape Download PDFInfo
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Abstract
The invention discloses a kind of WLAN project planning Visual Design Systems based on CAD diagram shape.Including client utility, calculated for drawing importing, drawing data reading, drawing derivation, the calculating of AP coverages, antenna footprint and drafting signal covers radar map；Project consultant firm, management of blueprint, comprehensive inquiry, the configuration of AP product parameters, antenna product parameter configuration during being designed and constructed for project planning, building material parameter configuration, data source configuration, the management function of customer management information, while being communicated with client utility as service end.The present invention intuitively represents the covering effect of signals of wireless aps and antenna by patterned mode, facilitate the timely adjusting device type of WLAN project planners and device location, reduce coverage hole, effectively lift the precision of hotspot design planning, hotspot engineering construction efficiency is improved, deployment workmen's cost is significantly reduced.
Description
Technical field
The invention belongs to WLAN project plannings modeling and the computer-related applications technical field of displaying, more particularly to one
Plant the WLAN project planning Visual Design Systems based on CAD diagram shape.
Background technology
Currently " smart city ", " wireless city " write various regions " 12 " planning one after another, have driven numerous domestic city
The enthusiasm of key area layout " focus ", meanwhile, in recent years, based on public operation, supplemented by industry and family market
The market structure gradually occurs to change, and industry and family market development are accelerated.Increasing enterprise configuration possesses mobile work(
The data equipment of energy, the demand for accessing WLAN is further strong, has promoted increasing rapidly for wlan device.2008-2010 years,
With networking as main feature, operation market development is more steady, maintains 40% or so growth rate in WLAN markets,
China's WLAN total sizes are up to 85.3 hundred million yuans within 2011.
With the Large scale construction of wlan system, the focus of WLAN chooses the weight that planning has become pre-construction phase
Point, project planning designer should consider the data traffic situation of focus, be leading with market, with reference to local economy, use
Family habits and customs, group customer demand etc. are many-sided to be considered, selection is most likely to occur the region of WLAN business to dispose focus,
More importantly will be in equipment such as the deployment wireless aps of each hotspot planning region science, striving can in the planning and designing stage
To realize all standing of wireless signal, only in this way, it is only possible to allow input to obtain return, forms benign cycle.
It is then right, it is necessary to pass through the continual retest of manual site in existing WLAN engineering construction methods
Original design drawing carries out modification of doing over again, and finally could substantially realize all standing of wireless signal.
In existing WLAN engineering construction methods, often in order to meet all standing of wireless signal, can not fully survey
In the case of examination, in order to realize that all standing target only has by increasing the equipment such as wireless ap, therefore the wave of wireless device can be caused
Take phenomenon.
Be all based on AutoCad layout designs instrument and carry out in the design of WLAN preconsolidation stress, current present situation be not for
The drawing that drawing carries out after effective IT management, design does not carry out effective Version Control and management, the query and search of drawing
More bother.
Existing patent CN201410173694.9- is based on AutoCAD platforms three-dimensional scenic and models method for visualizing and system,
AutoCAD platform scene three-dimensional modeling visualization systems are based on there is provided one kind, the system is used to solve the three-dimensional letter of two dimension extraction
The technology of breath, simply to the three-dimensional scenic modeling visualization of two-dimentional AutoCAD platforms, it is impossible to realize the visualization to WLAN engineerings
Performance.
The content of the invention
It is an object of the invention to provide a kind of WLAN project planning Visual Design Systems based on CAD diagram shape, solve
All kinds of problems occurred in existing WLAN project plannings design process.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of WLAN project planning Visual Design Systems based on CAD diagram shape, including client utility is used
Calculated in drawing importing, drawing data reading, drawing derivation, the calculating of AP coverages, antenna footprint and drafting signal covers
Lid radar map；
Project consultant firm, management of blueprint, comprehensive inquiry, AP products during being designed and constructed for project planning
Parameter configuration, antenna product parameter configuration, building material parameter configuration, data source configuration, the management function of customer management information,
Communicated with client utility as service end simultaneously.
Preferably, the client utility is developed using .NET technology platforms, obtains system for windows application programs,
Local datastore uses Access databases.
Preferably, the client utility includes：
Drawing is imported for opening editor's CAD engineering drawing files；
Drawing data is read for reading user-defined data attribute in CAD engineering drawing files；
Drawing is derived for the CAD engineering drawings after editor to be exported as into .dwg files, or the local preservation of selection or choosing
Upload server is selected, the coverage radar map of wireless device covering data and generation in drawing file can be preserved simultaneously
In file；
AP coverages calculate the AP technical parameters by configuring and the signal attenuation degree of material are built per class, call and decline
Degree of subtracting computing formula calculates the signal covering boundary value of AP automatically；
Antenna footprint calculates the wireless antenna device technical parameter and the building per class according to service end unification configuration
The signal attenuation degree of material, calls dough softening computing formula to calculate the signal covering boundary value of antenna automatically；
Draw signal covering radar map and cover boundary value by according to wireless aps and antenna, automatically use the coordinate of boundary point
Line segment is connected, while generating a mark for similar radar map, and is marked with color in mark, draws out an obvious letter
Number covering radar map；
Parameter initialization communicates by with service end system, and down loading updating wireless aps, antenna, building material signal decline at any time
All kinds of supplemental characteristics and computing formula of degree of subtracting, and these data are stored in local Access databases, for carrying out
All kinds of numerical computations；
Service end parameter configuration is used for all kinds of parameter informations of configuration service end reference address and access protocol；
System journal will be used for user in the journal file that the operation information of client is written to local, to journal file
Check information.
Preferably, the project consultant firm is based on J2ee platform developments, and database is Mysql, web server
Tomcat6.0, using B/S frameworks.
Preferably, the project consultant firm includes：
Management of blueprint is used to check the colophon and drawing revision process of drawing file, while also provide drawing sharing
With drawing query function, shared or search access right is set；
Comprehensive inquiry is used for the comprehensive inquiry function of wireless device deployment scenario, inquires about the device using information of construction point,
Wireless signal coverage information；
AP parameter configurations are used for the configuration management to wireless ap technical parameters；
Antenna parameter is configured to the configuration management to wireless antenna device technical parameter；
Building material parameter configuration is used for the configuration management to building material basic parameter and dough softening data configuration；
Client-side management is used to be managed collectively each client access information, and configuration client is joined with the communication of server
Number, and record each client and server communication information；
User management is used to manage user basic information, and user's dividing system access right is given by function menu.
The invention has the advantages that：
1st, the present invention intuitively represents the covering effect of signals of wireless aps and antenna in patterned mode, facilitates WLAN engineerings
The timely adjusting device type of designer and device location, reduce coverage hole.
2nd, the precision of the present invention effectively lifting hotspot design planning, saves and solves substantial amounts of WLAN engineering constructions
The link of manual site's test, improves hotspot engineering construction efficiency, significantly reduces deployment workmen's cost.
3rd, the present invention realizes the management function to engineering datas such as drawings, sets up in-company WLAN engineering datas storehouse,
Can carry out that Version Control, drawing be shared to drawing and retrieval and inquisition etc..
4th, in present invention can apply to the planning and designing of GSM and TD rooms subnetwork, system is applied widely, and it is applied to
Fruit can obtain lasting embodiment in commmunication company's correlation engineering planning and designing field.
Certainly, implement any product of the invention to it is not absolutely required to while reaching all the above advantage.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, uses required for being described to embodiment below
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, can also obtain other attached according to these accompanying drawings
Figure.
Fig. 1 is a kind of WLAN project planning Visual Design Systems based on CAD diagram shape of the invention；
Fig. 2 is a kind of WLAN project planning the visual design flows based on CAD diagram shape of the invention；
Fig. 3 is antenna footprint schematic diagram of the invention；
Fig. 4 is drafting signal covering radar map schematic diagram of the invention；
Fig. 5 is client service system diagram；
Fig. 6 is the service system figure of service end.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to shown in Fig. 1, the present invention is a kind of WLAN project planning Visual Design Systems based on CAD diagram shape, bag
Client utility is included, based on drawing importing, drawing data reading, drawing derivation, the calculating of AP coverages, antenna footprint
Calculate and draw signal covering radar map；Using AutoCAD secondary exploitation technologies, WLAN engineerings are realized on Structures CAD drawing
Various WLAN devices, including coupler, power splitter, conjunction are drawn in design and auxiliary programming function, support on Structures CAD drawing
Road device, antenna etc., support the drag operation of mouse, support that the attribute of various devices is set.Realize the category to Structures CAD drawing
Property configuration and Added Management function, specifically include：The functions such as figure layer setting, dough softening setting, drawing amendment.
Platform provides patterned engineering tools, supports that user draws various WLAN devices on building drawing,
Including active equipment, passive device, cable, antenna etc., the drag operation of mouse is supported, support that the attribute of various devices is set.
WLAN devices include Wi-Fi Pinner, cover various construction materials, barrier, access point model and configuration, antenna mode
And other substantial amounts of relevant parameters and attenuation model, so as to provide reliable Wi-Fi signal, covering.And platform is according to design
It is required that correct AP models and quantity, placement position and required configuration are drawn, to provide comprehensively covering for end user.
The transmission of data is carried out based on Wi-Fi Pinner, based on AutoCAD and .NET Framework design tools, bag
Include engineering design, coverage calculating, coverage effect analysis, drawing setting and derive.Engineering design includes drawing scanning, drawing
Identification, engineering equipment design, the design of engineering passive device and engineering Antenna Design；Coverage calculate include the dough softening calculating,
Ray tracing algorithm, calculating coverage distance and determination coverage；Coverage effect analysis includes the treatment of non-visible area domain, the area of coverage
Domain renders, coverage effect figure is drawn and visualization represents；Drawing is set includes that drawing attribute is preserved, drawing attribute sets with derivation
Put, conversion of drawings and drawing are derived.
Based on MYSQL5.5, TOMCAT6.0 and JDK1.6 exploitation management system, including management of blueprint, topology represent, visitor
Family end interface and system administration；Management of blueprint includes that drawing is uploaded and Version Control；Topology represents including Query of Topological and topology
Effect represents；Client-side interface includes client identity authentication interface and client calculating parameter download interface；System administration bag
Include user management, parameter management and log management.
Project consultant firm, management of blueprint, comprehensive inquiry, AP products during being designed and constructed for project planning
Parameter configuration, antenna product parameter configuration, building material parameter configuration, data source configuration, the management function of customer management information,
Communicated with client utility as service end simultaneously.
System is made up of the project consultant firm of client utility and B/S frameworks, wherein client utility be by
.NET the windows application programs developed, the project consultant firm of B/S frameworks is based on J2ee platform developments, and database is
Mysql, web server tomcat6.0, system allomeric function module include：Drawing is imported, drawing data reads, AP covering models
Calculating, antenna footprint is enclosed to calculate, draw signal covering radar map, drawing derivation, management of blueprint, comprehensive inquiry, AP products
Parameter configuration, antenna product parameter configuration, building material parameter configuration, data source configuration, user management etc..
Wherein, client utility is developed using .NET technology platforms, obtains system for windows application programs, local number
Access databases are used according to storage.
What client utility included：
Drawing is imported for opening editor's CAD engineering drawing files, and project planner can be by drawing import feature
Editor's CAD engineering drawings file (.dwg file formats) is opened, system support carries out integrated to more than AutoCad2006 versions.
Drawing data is read for reading user-defined data attribute in CAD engineering drawing files, and drawing data reads
Can realize reading user-defined data attribute in CAD engineering drawing files, such as：Thickness of wall body, length and width degrees of data etc. are believed
Breath, provides foundation, it is possible to actual range number is converted to according to drawing scale for next step calculates wireless device coverage
Value.
Drawing is derived for the CAD engineering drawings after editor to be exported as into .dwg files, or the local preservation of selection or choosing
Upload server is selected, the coverage radar map of wireless device covering data and generation in drawing file can be preserved simultaneously
In file, the CAD engineering drawings after editor can be exported as .dwg files by project planner, can select local preservation
Or selection upload server, the coverage radar map of wireless device covering data and generation in drawing file simultaneously can
To be stored in file, facilitate designer to open at any time and check adjustment.
AP coverages calculate the AP technical parameters by configuring and the signal attenuation degree of material are built per class, call and decline
Degree of subtracting computing formula calculate automatically AP signal covering boundary value, system according to service end unification configuration AP technical parameters and
The signal attenuation degree of material is built per class, calls dough softening computing formula to calculate the signal covering boundary value of AP automatically.
As shown in figure 3, antenna footprint calculate according to service end unification configuration wireless antenna device technical parameter with
And every class builds the signal attenuation degree of material, dough softening computing formula is called to calculate the signal covering boundary value of antenna automatically；Base
In Tracing Technology, to Structures CAD figure in all antenna footprints be simulated and calculate, and shown by figure
Covering border.
As shown in figure 4, draw signal covering radar map covers boundary value by according to wireless aps and antenna, automatically by border
The coordinate of point is connected with line segment, while generating a mark for similar radar map, and is marked with red in mark, draws out one
Individual obvious signal covering radar map；Based on Tracing Technology, simulation calculates various WLAN devices in unlike material Building wood
Radio signal attenuation numerical value in material and different type barrier, and in different colors to the wireless signal covering in CAD diagram shape
The unlike signal intensity area of scope render showing signs of anger, and ultimately forms visual signal covering radar map.
Parameter initialization communicates by with service end system, and down loading updating wireless aps, antenna, building material signal decline at any time
All kinds of supplemental characteristics and computing formula of degree of subtracting, and these data are stored in local Access databases, for carrying out
All kinds of numerical computations；
Service end parameter configuration is used for all kinds of parameter informations of configuration service end reference address and access protocol；
System journal will be used for user in the journal file that the operation information of client is written to local, to journal file
Check information.
Wherein, project consultant firm is based on J2ee platform developments, and database is Mysql, web server
Tomcat6.0, using B/S frameworks.
Wherein, project consultant firm includes：
Management of blueprint is used to check the colophon and drawing revision process of drawing file, while also provide drawing sharing
With drawing query function, shared or search access right is set；
Comprehensive inquiry is used for the comprehensive inquiry function of wireless device deployment scenario, inquires about the device using information of construction point,
Wireless signal coverage information；
AP parameter configurations are used for the configuration management to wireless ap technical parameters；
Antenna parameter is configured to the configuration management to wireless antenna device technical parameter；
Building material parameter configuration is used for the configuration management to building material basic parameter and dough softening data configuration；
As shown in figure 5, client-side management is used to be managed collectively each client access information, client and server are configured
Messaging parameter, and record each client and server communication information；Logging in system by user, carries out system configuration, drawing pipe
Reason, covering analyzing and engineering design operation.
As shown in fig. 6, user management is used to manage user basic information, user's dividing system right to use is given by function menu
Limit；Keeper logs in, and carries out product parameters configuration, the maintenance of information of building material, COMPUTER PARAMETER maintenance, user management and client
End download log.
Fig. 2 is research method, the step for intending taking：Help project planning designer lifting WLAN wireless devices planning department
The science of administration, reduces the phenomenon of doing over again in hotspot deployment work progress, reduces hotspot deployment workload, improves nothing
The accuracy of line focus deployment is final purpose, and by orientation problem, clear and definite development goal, demand analysis is with understanding, technology can
Row analysis, tackling problems in key technologies, system research and development are with the methodology that coding is realized, on-the-spot test is combined with program feedback modification
With technology path.
System uses AtuoCAD secondary exploitation technologies, and WLAN engineering designs and auxiliary programming function are realized on drawing, will
WLAN engineering designs are dissolved into AtuoCAD softwares with auxiliary programming business function, allow user to be carried out in an operation interface
Feature operation.To signal intensity covering analyzing, by environment indoors, it is contemplated that obstacle to the reflection of signal, transmission with
And the interference between different frequent points, the situation of change of WLAN signal intensity is calculated, and visual signal is drawn in AtuoCAD
Coverage diagram, intuitively represents the signal intensity of indoor each position.
Interaction based on platform AtuoCAD softwares is as follows：System startup is first carried out, is then instantiated
AtuoCAD, then carries out loading dynamic link library, and then initializes custom menu, then receives and performs user command, most
Afterwards, preserve modification, log off.
The algorithm model of WLAN indoor propagations
WLAN in-door coverings are mainly characterized by：Coverage is smaller, and environmental turbulence is larger.Generally choose
The formula of Devasirvatham models (linear path attenuation model), the wherein interior space loss is as follows：
Pl (d, f) [dB]=32.4+20lg f [MHz]+20lgd [km]+a*d
d:Propagation path；f:Wave frequency；a:Model coefficient, its value is 0.47
In the penetration loss for AP signals such as measurement wall, AP signal incident angles need to be considered.Simultaneously 0.5 meter of thickness
Wall, when straight line connection is incident in 45 degree of angles between AP signals and overlay area, equivalent to 1 meter of wall of thickness.So to obtain
Taking more preferable reception and should trying one's best enables AP signals to pass perpendicularly through (an angle of 90 degrees) wall or ceiling.And platform is believed AP
The losses for number penetrating various building materials can realize custom feature.
AP transmission powers+transmitting antenna power-path loss-barrier loss=position field intensity.
The treatment of algorithm redundancy
The degree of accuracy of design drawing covering field intensity depends primarily at 2 points：Quantity (including reflection, diffraction and the transmission of ray
Ray afterwards) and ray intersection point.Consider building graphic attribute, this depends on the incremental angle of divergent-ray, i.e.,：Angle
Smaller, the time complexity of algorithm is bigger, accuracy is higher.Therefore in order to obtain satisfied algorithm performs efficiency and calculate knot
Fruit to algorithm, it is necessary to carry out yojan redundancy.
Tested by many experiments, 5 signal sources are processed on PC, ray incremental angle is 1 ° more accurate.
According to actual conditions, on the premise of the degree of accuracy is ensured, agreement radiation power decays to -75dbm or iterations
After more than 5 times, just stop iteration.
There is no threedimensional model to analyze according to drawing, therefore do not consider ray transmitting in three dimensions, but yojan is
Two-dimensional space.
To ensure speed that figure renders and precision, it is necessary to the signal attenuation formula of free space, carry out discretization
Treatment.
Due to x-ray angle, the algorithm that signal intensity is rendered using adjacent strength in the region that ray cannot be covered in design
Drawn.
It is worth noting that, in said system embodiment, included unit is to be drawn according to function logic
Point, but above-mentioned division is not limited to, as long as corresponding function can be realized；In addition, each functional unit is specific
Title is also only to facilitate mutually distinguish, the protection domain being not intended to limit the invention.
In addition, one of ordinary skill in the art will appreciate that realizing all or part of step in the various embodiments described above method
Program be can be by instruct the hardware of correlation to complete, corresponding program can be stored in embodied on computer readable storage and be situated between
In matter, described storage medium, such as ROM/RAM, disk or CD.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All of details is described, it is only described specific embodiment that the invention is not limited yet.Obviously, according to the content of this specification,
Can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (5)
1. a kind of WLAN project planning Visual Design Systems based on CAD diagram shape, it is characterised in that including：
Client utility, for drawing importing, drawing data reading, drawing derivation, the calculating of AP coverages, antenna footprint
Calculate and draw signal covering radar map；
Project consultant firm, management of blueprint, comprehensive inquiry, AP product parameters during being designed and constructed for project planning
Configuration, antenna product parameter configuration, building material parameter configuration, data source configuration, the management function of customer management information, while
Communicated with client utility as service end.
2. a kind of WLAN project planning Visual Design Systems based on CAD diagram shape according to claim 1, its feature exists
In the client utility is developed using .NET technology platforms, obtains system for windows application programs, local datastore
Using Access databases.
3. a kind of WLAN project planning Visual Design Systems based on CAD diagram shape according to claim 1 and 2, it is special
Levy and be, what the client utility included：
Drawing is imported for opening editor's CAD engineering drawing files；
Drawing data is read for reading user-defined data attribute in CAD engineering drawing files；
Drawing is derived for the CAD engineering drawings after editor to be exported as on .dwg files, or the local preservation of selection or selection
Server is passed, the coverage radar map of wireless device covering data and generation in drawing file can be stored in text simultaneously
In part；
AP coverages calculate the AP technical parameters by configuring and the signal attenuation degree of material are built per class, call the dough softening
Computing formula calculates the signal covering boundary value of AP automatically；
Antenna footprint calculates according to the wireless antenna device technical parameter of service end unification configuration and is built per class material
Signal attenuation degree, call dough softening computing formula calculate automatically antenna signal covering boundary value；
Draw signal covering radar map and cover boundary value by according to wireless aps and antenna, automatically by the coordinate line segment of boundary point
Connection, while generating a mark for similar radar map, and is marked in mark with color, is drawn out an obvious signal and is covered
Lid radar map；
Parameter initialization communicates by with service end system, at any time down loading updating wireless aps, antenna, building material signal attenuation degree
All kinds of supplemental characteristics and computing formula, and these data are stored in local Access databases, it is all kinds of for carrying out
Numerical computations；
Service end parameter configuration is used for all kinds of parameter informations of configuration service end reference address and access protocol；
System journal in the journal file that the operation information of client is written to local, is checked for user to journal file
Information.
4. a kind of WLAN project planning Visual Design Systems based on CAD diagram shape according to claim 1, its feature exists
In the project consultant firm is based on J2ee platform developments, and database is Mysql, web server tomcat6.0, is used
B/S frameworks.
5. a kind of WLAN project planning Visual Design Systems based on CAD diagram shape according to claim 1 or 4, it is special
Levy and be, what the project consultant firm included：
Management of blueprint is used to check the colophon and drawing revision process of drawing file, while also provide drawing and sharing and scheming
Paper query function, sets shared or search access right；
Comprehensive inquiry is used for the comprehensive inquiry function of wireless device deployment scenario, inquires about the device using information of construction point, wirelessly
Signal coverage information；
AP parameter configurations are used for the configuration management to wireless ap technical parameters；
Antenna parameter is configured to the configuration management to wireless antenna device technical parameter；
Building material parameter configuration is used for the configuration management to building material basic parameter and dough softening data configuration；
Client-side management is used to be managed collectively the messaging parameter of each client access information, configuration client and server, and
Record each client and server communication information；
User management is used to manage user basic information, and user's dividing system access right is given by function menu.
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| WO2019227485A1 (en) * | 2018-06-01 | 2019-12-05 | 西门子股份公司 | Augmented reality method for simulating wireless signal, and apparatus |
| CN110831030A (en) * | 2018-08-13 | 2020-02-21 | 华为技术有限公司 | Method for acquiring signal coverage effect diagram and network equipment |
| CN110990364A (en) * | 2019-12-02 | 2020-04-10 | 北京仿真中心 | Three-dimensional model version control system and method based on GLFS |
| CN111510932A (en) * | 2020-03-21 | 2020-08-07 | 杭州迪普科技股份有限公司 | Wireless access point deployment method and device, electronic equipment and computer readable medium |
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