CN103916866A - Method and apparatus for WLAN site selection - Google Patents
Method and apparatus for WLAN site selection Download PDFInfo
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- CN103916866A CN103916866A CN201210592674.6A CN201210592674A CN103916866A CN 103916866 A CN103916866 A CN 103916866A CN 201210592674 A CN201210592674 A CN 201210592674A CN 103916866 A CN103916866 A CN 103916866A
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Abstract
The invention discloses a method and apparatus for WLAN site selection. The method comprises the steps of obtaining network management data of each network element in a preset geographic area; establishing a fixed grid model of the geographical area according to latitude and longitude information; calculating to obtain a grid of each network element based on the fixed grid model; calculating performance index data of each grid according to the network management data of each network element; and obtaining a WLAN site selection grid according to preset WLAN site selection rules. According to the invention, the network situation in a fine-grained area is analyzed from a perspective of gridding micro-area, services are provided for making decisions on the WLAN site selection, and the blind spot analysis problem from a point to an administrative area is addressed.
Description
Technical field
The present invention relates to communication network development technical field, relate in particular to a kind of method and device of WLAN addressing.
Background technology
Building wlan network need to be by carrying out the addressing of Analysis deterrmination WLAN to existing network.Existing WLAN addressing planning is by type built by separate periods such as high school district, hotel, Business Building, markets, focuses the consruction on for each issue dissimilar.Telecommunications industry is to analyze by administrative division for the analysis of network, the i.e. whole nation, province and district district, county's granularity, carry out region overall network quality analysis, as zones of different granularity 2G data service flow, TD data service flow etc., or analyze taking network element as granularity, as super busy, the super not busy analysis of cell granularity, or taking the time as granularity to network carry out busy early, late busy, peak hour, hour, the analysis of day, week, month, year.
The existing network monitoring analysis based on GIS, taking administrative region granularity as object, is shown monitoring, is not carried out the grain size analysis of thinner region statistics emphasis index.Existing network analysis system and supervisory control system based on GIS or show net element information with " point ", or carry out aggregate analysis with administrative division.The mode of getting ready on map with network element can be monitored network element intuitively, and locates network element geographic location, but this mode cannot monitoring analysis section network quality, and network equilibrium degree in region, and network element can seem disorderly when more, directly perceived not.Show network quality with Administrative Attribute, be unfavorable for becoming more meticulous scene analysis and key area are analyzed, and cannot provide support for fine granularity analysis.
Carry out by type the mode of WLAN selection, met to a great extent dissimilar region user's demand by stages, WLAN business is failed to open in time in the region that still has potential business demand, can not respond in time user's request, causes user's loss.
Summary of the invention
In order to solve the technical problem that can not accurately determine the potential business demand of WLAN region in prior art, the present invention proposes a kind of method and device of WLAN addressing, with network condition in the angle analysis fine granularity region of gridding film micro area, for wlan network location decision-making provides service, solve the blind Range Analysis problem of point to administrative region.
One aspect of the present invention, provides a kind of method of WLAN addressing, comprises the following steps: the network management data that obtains each network element in default geographic area; Set up the fixed mesh model of described geographic area according to latitude and longitude information; Calculate the grid that obtains each network element ownership according to described fixed mesh model; Calculate the performance index data of each grid according to the network management data of each network element; Obtain WLAN addressing grid according to default WLAN addressing rule.
Another aspect of the present invention, a kind of device of WLAN addressing is provided, comprise network management data acquisition module, fixed mesh model building module, grid ownership computing module, grid index computing module and WLAN addressing grid computing module, wherein, described network management data acquisition module, for obtaining the network management data of each network element in default geographic area; Described fixed mesh model building module, for setting up the fixed mesh model of described geographic area according to latitude and longitude information; Described grid ownership computing module, for calculating the grid that obtains each network element ownership according to described fixed mesh model; Described grid index computing module, for calculating the performance index data of each grid according to the network management data of each network element; Described WLAN addressing grid computing module, for obtaining WLAN addressing grid according to default WLAN addressing rule.
The method of WLAN addressing of the present invention and device, by adopting grid configuration to carry out network condition analysis, from the network condition in the angle analysis fine granularity region of gridding film micro area, can locate more accurately WLAN potential demand region, make up by the deficiency of geographical Administrative Attribute and network element grain size analysis, film micro area analysis is provided, with the angle analysis network coverage, the ruuning situation of section, be that foundation instructs WLAN addressing by data, for the network planning provides support.Play up mode with section and shown intuitively analysis result, alleviated analyst's workload.
Brief description of the drawings
Fig. 1 is the flow chart of the method for WLAN addressing in the embodiment of the present invention;
Fig. 2 is the flow chart of WLAN site selecting method preferred embodiment in the embodiment of the present invention;
Fig. 3 is the flow chart of determining the method for WLAN addressing grid in the embodiment of the present invention;
Fig. 4 is the flow chart that in the embodiment of the present invention, data load flow process;
Fig. 5 is the structural representation of the device of WLAN addressing in the embodiment of the present invention.
Embodiment
Fig. 1 is the flow chart of the method for WLAN addressing in the embodiment of the present invention.As shown in Figure 1, a kind of method of WLAN addressing, comprises the following steps:
Step 101, obtain the network management data of each network element in default geographic area;
Step 102, set up the fixed mesh model of described geographic area according to latitude and longitude information;
Step 103, the grid belonging to according to the each network element of described fixed mesh model calculating acquisition;
Step 104, calculate the performance index data of each grid according to the network management data of each network element;
Step 105, obtain WLAN addressing grid according to default WLAN addressing rule.
Method and the device of the WLAN addressing of the embodiment of the present invention based on grid, taking telephone traffic network, data network management and BOSS system data as basis, with the running quality of the form analysis existing network of grid, taking GSM cell configuration performance information, TD cell configuration performance information, wlan network covering, community metering data as foundation, according to WLAN addressing rule, find the grid that is applicable to WLAN addressing, recommend to be applicable to the grid that AP disposes, for wlan network planning provides strong support.
Fig. 2 is the flow chart of WLAN site selecting method preferred embodiment in the embodiment of the present invention.As shown in Figure 2, comprise the following steps:
Step 201, network management data is generated to network management data interface document according to default index.
In this step, the index of being analyzed as required by data network management, telephone traffic network and BOSS system generates the corresponding interface file, is sent to interface message processor (IMP) with regular name timing, generates the corresponding interface file.
Step 202, obtain described network management data interface document, resolve the configuration information and the performance information that obtain each network element;
In this step, docking port detects the integrality of determining each network management interface file, and after downloading, resolves warehouse-in, obtains configuration information and the performance information of each network element.
Step 203, set up the fixed mesh model of described geographic area according to latitude and longitude information;
In this step, according to maximum longitude and dimension and minimum longitude and the dimension of default geographic area, determine grid entirety coverage; The grid length of side of definition as required, planning definition grid numbering; Calculate the longitude and latitude of each grid vertex, set up fixed mesh model.
Taking geographic logitude and latitude as basic point, in conjunction with geographical administrative region actual range, design according to the actual requirements the corresponding grid length of side, calculate four longitude of vertex and the latitude of the square net of the suitable length of side, whole geographic range is divided into without meeting the square of connection, ensure that grid covers whole administrative region, sets up fixed mesh model.
Step 204, the grid belonging to according to the each network element of described fixed mesh model calculating acquisition;
In this step, according to the latitude, longitude table of the configuration information of each network element and grid, calculate the grid that GSM community, TD community and WLAN focus belong to, draw GSM grid of cells relation table, TD grid of cells relation table and WLAN focus lattice relationship table; Through point index and focus performance table data, generate GSM, TD and WLAN grid performance data summary table through a point index, GSM community according to described each relation table and TD estate performance table, GSM estate performance table, TD community; Calculate each grid integrated performance index data according to described GSM, TD and WLAN grid performance data summary table.
Step 205, calculate the performance index data of each grid according to the network management data of each network element;
According to the latitude, longitude table of the configuration information of each network element and grid, calculate the grid that GSM community, TD community and WLAN focus belong to, draw GSM grid of cells relation table, TD grid of cells relation table and WLAN focus lattice relationship table; Through point index and focus performance table data, generate GSM, TD and WLAN grid performance data summary table through a point index, GSM community according to described each relation table and TD estate performance table, GSM estate performance table, TD community; Calculate each grid integrated performance index data according to described GSM, TD and WLAN grid performance data summary table.
Step 206, obtain WLAN addressing grid according to default WLAN addressing rule;
According to fixed WLAN addressing rule, formulate on year-on-year basis, chain rate, trend, laterally, top analyzes, and offers data processing module, finds the grid that is applicable to WLAN addressing.
Step 207, described WLAN addressing grid is presented on GIS map.
On GIS map, carry out WLAN addressing grid according to the longitude and latitude of grid and show, and present with the formal intuition of playing up, for planning personnel provides data supporting.
In this step, determine the method for WLAN addressing grid as shown in Figure 3, comprise the following steps:
Step 301, judge whether Shi Shifen community of grid NeiTD community, GSM community;
In this step, judge whether Shi Fen community of grid NeiTD community, 2G cell, if so, by its record, if not, give up.
Step 302 if, gather the data service flow of described grid, obtain grid level film micro area data traffic;
According to this step Zhong Shifen community record, gather grid level data service flow, by the up LLC laminar flow of GPRS amount, the descending LLC laminar flow of GPRS amount, the up LLC laminar flow of EDGE amount, the descending LLC laminar flow of EDGE amount, the TD packet switch domain service flow of TD community, the summation of HSDPA flow of grid NeiGSMShi Fen community, obtain grid level film micro area data traffic.
Step 303, according to the grid of different attribute administrative region, definition percentage, calculates TOP N; Judge the whether TOP N of place, Shi Shifen community grid of film micro area data traffic of described each grid;
Step 304 is if calculating belongs to terminal use's accounting of the support WIFI of the grid of TOP N;
Step 305, judge whether described terminal use's accounting exceedes predetermined threshold;
Obtain TOP N grid according to previous step, in grid combination property table, find these grids, calculate terminal use's accounting of supporting WIFI, i.e. (2G supports terminal use's number+TD of WIFI to support terminal use's number of WIFI)/(2G cell level number of users+TD cell-level number of users), judges and supports whether terminal use's accounting of WIFI exceedes predetermined threshold value.Threshold value herein can be 40%.
Step 306, judge whether wlan network for the grid that exceedes predetermined threshold;
If step 307 does not have, using this grid as WLAN addressing grid.
Count according to supported WIFI terminal use the grid that accounting is high, judge in these grids whether have wlan network, if do not had, set up WLAN focus near being recommended in this net region, can more precisely, effectively carry out WLAN business.
Further illustrate the method for building up of fixed network model in the embodiment of the present invention below with a concrete example.
For the analysis of daily network, can analyze from two dimensions of room and time, time dimension mainly refers to the moon, week, day, hour, and Spatial Dimension mainly comprises province and district district, county, grid model in this programme belongs to Spatial Dimension, is the refinement based on spatial granularity on administrative geography region.
Grid is taking geographic logitude and latitude as basic point, in conjunction with geographical administrative region actual range, design according to the actual requirements the corresponding grid length of side, calculate four longitude of vertex and the latitude of the square net of the suitable length of side, according to 4 of grid summits, set up fixed mesh model.
Fixed mesh model establishment step is as follows:
Step 1, definition grid entirety coverage.
Take administrative region as basis, find out the maximum longitude of affiliated area, minimum longitude, maximum latitude and minimum latitude, draw overall coverage diagram as summit taking the minimum latitude of maximum longitude, the maximum dimension of maximum longitude, the maximum dimension of minimum longitude, minimum longitude smallest dimension.
Take Shijiazhuang as example, Shijiazhuang be positioned at 113 ° 30 of east longitude ' to 115 ° 20 ', 37 ° 27 of north latitude ' to 38 ° 47 ' between.Target is that Shijiazhuang is divided into Pork-pieces little grid, film micro area model is provided, these little Mesh connections can form one large square, and this large square on GIS map minimum longitude be 113 ° 30 ', minimum latitude be 37 ° 27 ', maximum longitude be 115 ° 20 ', maximum latitude be 38 ° 47 '.
Step 2, the grid length of side of definition as required, planning definition grid numbering.
Measure the actual range of length and width square in the entirety of grid in step 1 coverage diagram, the grid length of side of dividing as required calculates horizontal line number b and longitudinal columns a, form microgrid, define the numbering of little grid, from first grid of southwest corner, be encoded to 1, add 1 from West to East and be incremented to a, this is first row; The first row side of going up north is second row, the like, second row from West to East, is compiled successively as a+1, a+2 ... 2a, according to this rule, gives all grid numberings.
Step 3, calculate the longitude and latitude of each grid vertex.
In actual geographic, one kilometer of longitude and latitude of amounting to is as follows: along warp (North and South direction), longitude is constant, and latitude changes approximately 1/111 degree; Along parallel (east-west direction), latitude is a, and latitude is constant, and longitude changes approximately 1/ (111*COSa) degree.According to above-mentioned, the longitude that calculates each grid length of side representative changes x and latitude variation y.
Calculate the maximum longitude of each grid, minimum longitude, maximum latitude and minimum latitude according to longitude dimension variation.Maximum latitude and the minimum latitude of same row's grid are constant, and longitude is numbered according to grid, increase with x, and the every growth of grid numbering a time, maximum latitude and minimum latitude just increase y.As grid is numbered 1 the minimum longitude of grid: 113 ° 30 ', minimum latitude: 37 ° 27 ', maximum longitude: 113 ° 30 '+x, maximum latitude: 37 ° 27 '+y; Grid is numbered 2 the minimum longitude of grid: 113 ° 30 '+x, and minimum latitude: 37 ° 27 ', maximum longitude: 113 ° 30 '+2x, maximum latitude: 37 ° 27 '+y; Be numbered the minimum longitude of grid of a+1: 113 ° 30 ', minimum latitude: 37 ° 27 '+y, maximum longitude: 113 ° 30 '+x, maximum latitude: 37 ° 27 '+2y.Calculate by that analogy the minimax longitude and latitude of each grid, according to the longitude and latitude on four summits of minimax calculation of longitude & latitude of grid, set up fixed mesh model.
Illustrating the flow process that in the embodiment of the present invention, data load below, as shown in Figure 4, is the schematic diagram of data loading flow process, comprising:
Step 401, judge whether interface data arrives.
At the appointed time, file in file on scan interface machine, matched interfaces file name, judges GSM cell configuration interface document, performance interface file, TD UNTRACELL configuration interface file, performance interface file, WLAN configuration interface file, performance interface file, TD is through a point file, and whether 2G arrives through a point file.If arrive and carry out next step; Trigger message if do not arrive and require uploading data file again.GSM community configured information comprises community coding, cell name, community longitude and latitude, whether Shi Fen community, community cover type, affiliated base station, affiliated BSC, LAC, CI, TD community configured information comprises community coding, cell name, community longitude and latitude, whether Shi Fen community, community cover type, Nodeb under community, RNC under community, LAC, CI, WLAN configuration information comprises the network element coding of one-level focus/secondary focus, element name, focus longitude and latitude, focus cover type, GSM estate performance file comprises community coding, affiliated base station, affiliated BSC, the up LLC laminar flow of GPRS amount, the descending LLC laminar flow of GPRS amount, the up LLC laminar flow of EDGE amount, the descending LLC laminar flow of EDGE amount, TD estate performance file comprises community coding, affiliated NODEB, affiliated RNC, TD packet switch domain service flow, HSDPA flow, WLAN performance file comprises AP network element coding, the up total flow of AP, the descending total amount of AP, 2G comprises community coding through a point file, LAC, CI, cell-level number of users, terminal use's number of support WIFI, TD comprises community coding through a point file, LAC, CI, cell-level number of users, support terminal use's number of WIFI.Be applicable to the grid of WLAN addressing taking above index as basic calculation.
Step 402, document analysis.
Fetch interface file, resolves to consolidation form file according to interface specification document, so that data processing afterwards.For example suffix is changed into text document for " .AVL " and " .XML " document analysis.
Whether step 403, interface document be complete.
Read the file after parsing, data columns and line number and verification file are checked.Carry out next step if interface document is complete, if the imperfect triggering message of interface document requires uploading data file again.
Step 404, data acquisition, enter underlying database.
After interface document is complete, by message trigger data acquisition, download files on data server, and by respective table in tool renewal database.
Step 405, determine network element and grid attaching relation.
According to the affiliated relation of network element and grid in fixed mesh model, the basic data of network element is belonged to grid.
WLAN site selection system, with data-guiding networking, with client's behavior foundation, can meet the demand of user to WLAN business more in time, avoids blind construction.Carry out network analysis with this rule, the form on upper strata by rendering mesh presents.Click each grid, index in concrete analysis grid, the up LLC laminar flow of RuGSM community GPRS amount, the descending LLC laminar flow of GPRS amount, the up LLC laminar flow of EDGE amount, the descending LLC laminar flow of EDGE amount, number of users, support terminal use's number of WIFI, TD community TD packet switch domain service flow, HSDPA flow, number of users, support terminal use's number of WIFI, check and verify on year-on-year basis, chain rate, trend analysis, traffic forecast analysis, determines addressing place by planning personnel.
The advantage of the WLAN addressing based on grid is embodied in:
1, film micro area analysis: with situations such as network, user, terminal, coverings in the angle analysis fine granularity region of gridding film micro area, support chip is distinguished and analysed, for wlan network decision-making provides service, solves the blind Range Analysis of point to administrative region.
2, play up by carry out grid on GIS map, show intuitively film micro area WLAN addressing effect and network operation situation, and sizing grid can be adjusted according to the actual requirements.
3, analyze by film micro area, plan and build as foundation effectively instructs wlan network taking the data result of network analysis, meet consumers' demand more in time.
As shown in Figure 5, the embodiment of the present invention has also proposed a kind of device of WLAN addressing, comprise network management data acquisition module 501, fixed mesh model building module 502, grid ownership computing module 503, grid index computing module 504 and WLAN addressing grid computing module 505, wherein, described network management data acquisition module, for obtaining the network management data of each network element in default geographic area; Described fixed mesh model building module, for setting up the fixed mesh model of described geographic area according to latitude and longitude information; Described grid ownership computing module, for calculating the grid that obtains each network element ownership according to described fixed mesh model; Described grid index computing module, for calculating the performance index data of each grid according to the network management data of each network element; Described WLAN addressing grid computing module, for obtaining WLAN addressing grid according to default WLAN addressing rule.
Preferably, also comprise interface document generation module, for gateway data are generated to gateway data-interface file according to default index.
Preferably, also comprise addressing grid display module, for described WLAN addressing grid is presented on to GIS map.
Described fixed mesh model building module is further used for, and according to maximum longitude and dimension and minimum longitude and the dimension of default geographic area, determines grid entirety coverage; The grid length of side of definition as required, planning definition grid numbering; Calculate the longitude and latitude of each grid vertex, set up fixed mesh model.
Described grid index computing module is further used for, according to the latitude, longitude table of the configuration information of each network element and grid, calculate the grid that GSM community, TD community and WLAN focus belong to, draw GSM grid of cells relation table, TD grid of cells relation table and WLAN focus lattice relationship table; Through point index and focus performance table data, generate GSM, TD and WLAN grid performance data summary table through a point index, GSM community according to described each relation table and TD estate performance table, GSM estate performance table, TD community; Calculate each grid integrated performance index data according to described GSM, TD and WLAN grid performance data summary table.
Described WLAN addressing grid computing module is further used for, and judges whether Shi Shifen community of grid NeiTD community, GSM community; If so, gather the data service flow of described grid, obtain grid level film micro area data traffic; According to the grid of different attribute administrative region, definition percentage, calculates TOPN, judges the whether TOP N of place, Shi Shifen community grid of film micro area data traffic of described each grid; Calculating belongs to terminal use's accounting of the support WIFI of the grid of TOP N; Judge whether described terminal use's accounting exceedes predetermined threshold; Judge whether wlan network for the grid that exceedes predetermined threshold; If no, using this grid as WLAN addressing grid.
It should be noted that: above embodiment is only unrestricted in order to the present invention to be described, the present invention is also not limited in above-mentioned giving an example, and all do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in claim scope of the present invention.
Claims (12)
1. a method for WLAN addressing, comprises the following steps:
Obtain the network management data of each network element in default geographic area;
Set up the fixed mesh model of described geographic area according to latitude and longitude information;
Calculate the grid that obtains each network element ownership according to described fixed mesh model;
Calculate the performance index data of each grid according to the network management data of each network element;
Obtain WLAN addressing grid according to default WLAN addressing rule.
2. method according to claim 1, is characterized in that, described in obtain each network element in default geographic area network management data also comprise before:
Network management data is generated to network management data interface document according to default index.
3. method according to claim 1, is characterized in that, after the default WLAN addressing rule of described basis obtains WLAN addressing grid step, also comprises:
Described WLAN addressing grid is presented on GIS map.
4. according to the arbitrary described method of claims 1 to 3, it is characterized in that, the described step of setting up the fixed mesh model of described geographic area according to latitude and longitude information comprises:
According to maximum longitude and dimension and minimum longitude and the dimension of default geographic area, determine grid entirety coverage;
The grid length of side of definition as required, planning definition grid numbering;
Calculate the longitude and latitude of each grid vertex, set up fixed mesh model.
5. according to the arbitrary described method of claims 1 to 3, it is characterized in that, the step of calculating the performance index data of each grid according to the network management data of each network element comprises:
According to the latitude, longitude table of the configuration information of each network element and grid, calculate the grid that GSM community, TD community and WLAN focus belong to, draw GSM grid of cells relation table, TD grid of cells relation table and WLAN focus lattice relationship table;
Through point index and focus performance table data, generate GSM, TD and WLAN grid performance data summary table through a point index, GSM community according to described each relation table and TD estate performance table, GSM estate performance table, TD community;
Calculate each grid integrated performance index data according to described GSM, TD and WLAN grid performance data summary table.
6. according to the arbitrary described method of claims 1 to 3, it is characterized in that, the step that the default WLAN addressing rule of described basis obtains WLAN addressing grid comprises:
Judge whether Shi Shifen community of grid NeiTD community, GSM community;
If so, gather the data service flow of described grid, obtain grid level film micro area data traffic;
According to the grid of different attribute administrative region, definition percentage, calculates TOP N, judges the whether TOP N of place, Shi Shifen community grid of film micro area data traffic of described each grid;
Calculating belongs to terminal use's accounting of the interior WIFI of support of grid of TOP N;
Judge whether described terminal use's accounting exceedes predetermined threshold;
Judge whether wlan network for the grid that exceedes predetermined threshold;
If no, using this grid as WLAN addressing grid.
7. a device for WLAN addressing, comprises network management data acquisition module, fixed mesh model building module, grid ownership computing module, grid index computing module and WLAN addressing grid computing module, wherein,
Described network management data acquisition module, for obtaining the network management data of each network element in default geographic area;
Described fixed mesh model building module, for setting up the fixed mesh model of described geographic area according to latitude and longitude information;
Described grid ownership computing module, for calculating the grid that obtains each network element ownership according to described fixed mesh model;
Described grid index computing module, for calculating the performance index data of each grid according to the network management data of each network element;
Described WLAN addressing grid computing module, for obtaining WLAN addressing grid according to default WLAN addressing rule.
8. device according to claim 7, is characterized in that, also comprises interface document generation module, for network management data is generated to network management data interface document according to default index.
9. device according to claim 7, is characterized in that, also comprises addressing grid display module, for described WLAN addressing grid is presented on to GIS map.
10. according to the arbitrary described device of claim 7 to 9, it is characterized in that, described fixed mesh model building module is further used for,
According to maximum longitude and dimension and minimum longitude and the dimension of default geographic area, determine grid entirety coverage;
The grid length of side of definition as required, planning definition grid numbering;
Calculate the longitude and latitude of each grid vertex, set up fixed mesh model.
11. according to the arbitrary described device of claim 7 to 9, it is characterized in that, be further used for according to grid index computing module,
According to the latitude, longitude table of the configuration information of each network element and grid, calculate the grid that GSM community, TD community and WLAN focus belong to, draw GSM grid of cells relation table, TD grid of cells relation table and WLAN focus lattice relationship table;
Through point index and focus performance table data, generate GSM, TD and WLAN grid performance data summary table through a point index, GSM community according to described each relation table and TD estate performance table, GSM estate performance table, TD community;
Calculate each grid integrated performance index data according to described GSM, TD and WLAN grid performance data summary table.
12. according to the arbitrary described device of claim 7 to 9, it is characterized in that, described WLAN addressing grid computing module is further used for,
Judge whether Shi Shifen community of grid NeiTD community, GSM community;
If so, gather the data service flow of described grid, obtain grid level film micro area data traffic;
According to the grid of different attribute administrative region, definition percentage, calculates TOP N, judges the whether TOP N of place, Shi Shifen community grid of film micro area data traffic of described each grid;
Calculating belongs to terminal use's accounting of the support WIFI of the grid of TOP N;
Judge whether described terminal use's accounting exceedes predetermined threshold;
Judge whether wlan network for the grid that exceedes predetermined threshold;
If no, using this grid as WLAN addressing grid.
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