CN102752790A - Method and device for determining wireless network coverage rate - Google Patents
Method and device for determining wireless network coverage rate Download PDFInfo
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Abstract
The embodiment of the invention provides a method and a device for determining wireless network coverage rate. The method is an effective combination of a road testing method and a coverage emulation method, and comprises the following steps: in grids where measurement points are located, replacing part of the wireless network parameter emulation values obtained by the coverage emulation method with the wireless network parameter measurement results obtained by the road testing method, and determining the wireless network coverage of the network coverage evaluation area by using the replaced wireless network parameter emulation values and the non-replaced wireless network parameter emulation values, thereby enhancing the accuracy of the wireless network coverage rate obtained by the coverage emulation method; or, setting coverage weight for various scenes in the network coverage evaluation area according to the importance of the scene to the wireless network coverage evaluation, determining the coverage weight corresponding to the grids according to the scenes to which the grids belong, and determining the wireless network coverage rate through combination with the coverage weight, thereby enhancing the accuracy of the wireless network coverage rate obtained by the coverage emulation method.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of method and apparatus of definite wireless network coverage rate.
Background technology
The wireless network coverage evaluating is the important process content in wireless network coverage planning and the coverage optimization process, is the groundwork that guarantees wireless network performance.Accurate wireless network coverage evaluating result can instruct the coverage planning or the coverage optimization of wireless network exactly; Improve the performance of wireless network; Otherwise; The wireless network coverage evaluating result that deviation is bigger can cause coverage planning or coverage optimization result to run counter to actual expectation, can not reach the effect that improves wireless network performance.
At present, TD-SCDMA wireless network coverage evaluating is carried out according to the wireless network coverage rate, mainly contains following two kinds of methods:
First kind, adopt the method for road test; Promptly use the customer call on the road measuring device simulated roadway; Measurement result is measured and write down to each measurement point corresponding wireless network relevant information; Whether the wireless network of judgement on each measurement point of road covers to satisfy calls out requirement; Through calculating wireless network, thereby the wireless network coverage condition on the road is assessed the coverage rate on the road (wireless network covers and satisfies the ratio of calling out the number of all measurement points on the measurement point number that requires and the road).
The shortcoming of carrying out TD-SCDMA wireless network coverage evaluating through the method for road test is; Because the customer call of this method on can not Middle Frequency for Simulated Surface Target (for example residential block, colleges and universities and shopping centre etc.); Therefore, the road test method can't be confirmed the wireless network coverage rate that appearance is put on, and in fact; A large amount of users puts on the business of generation in appearance; The wireless network coverage rate put on of statistics appearance is very important, and it is unilateral, inaccurate therefore can only being directed against the wireless network coverage rate that the road test method of special scenes (road) obtains, and the wireless network assessment result that causes thus obtaining also is unilateral, inaccurate; Wireless network coverage evaluating result according to utilizing the road test method to obtain carries out wireless network coverage planning or coverage optimization, can not reach the requirement that promotes wireless network performance.
Second kind, adopt the method for emulation of coverage capability; The zone (network coverage assessment area) of needs being carried out the wireless network coverage evaluating is divided into a plurality of subregions; Come the level and the interference value of each subregion in the computing network coverage evaluating zone according to network engineering parameter and propagation model; Level and interference value are compared the wireless network of judging in this subregion cover whether can satisfy call requirement; Through calculating the coverage rate (wireless network cover the number and the ratio of network coverage assessment area whole subregion numbers of the subregion that satisfy call requirement) of wireless network in network coverage assessment area, realization is to the assessment of wireless network at the coverage condition of network coverage assessment area.
As shown in Figure 1, the method for employing emulation of coverage capability is carried out the wireless network coverage evaluating and specifically may further comprise the steps:
The shortcoming of using the emulation of coverage capability method to carry out TD-SCDMA wireless network coverage evaluating is:
1, the precision of parameter that being used to of utilizing that the emulation of coverage capability method obtains carried out the wireless network coverage evaluating is lower; Therefore; The wireless network coverage rate of utilizing this parameter to determine is inaccurate; Wireless network coverage evaluating result also must be inaccurate, and the result carries out wireless network coverage planning or coverage optimization according to this wireless network coverage evaluating, can not reach the requirement that promotes wireless network performance.
2, do not take into full account the distribution of business (user) under different scenes; In the coverage evaluating process of whole network coverage assessment area; The low traffic scene (corresponding at least one grid that marks off of this scene) that does not have perhaps small number of users conversation; Like the water surface, wetland etc. and the high traffic scene that more user's communication is arranged, identical like the covering requirement of residential block, shopping centre etc. with significance level, and in fact; Under low traffic scene; Because number of users and number of services are all fewer, the covering of wireless network requires obviously should be lower than the covering requirement of the wireless network under the high traffic scene, and promptly wireless network covers the wireless network that preferentially satisfy high traffic scene and covers requirement; And cover down because no matter whether low traffic scene is in wireless network; Can not cause very big influence, should be lower than the significance level of high traffic scene yet, promptly satisfy importance that the wireless network of high traffic scene covers and will be higher than the importance that the wireless network that satisfies low traffic scene covers the wireless network coverage evaluating to the significance level of wireless network coverage evaluating to the user.In the process of existing definite wireless network coverage rate; The wireless network of low traffic scene and high traffic scene covers the importance that requires with to the wireless network coverage evaluating and is set to identical; With making that the wireless network coverage rate result who determines is inaccurate; When causing later stage wireless network covering to carry out network coverage planning or coverage optimization work, the covering of high traffic scene can be sacrificed, the requirement of lifting network performance can not be reached for the covering of satisfying low traffic scene according to assessment result.
The wireless network coverage rate is as the basis of wireless network coverage evaluating; The decision accuracy of wireless network coverage rate is high more; The wireless network coverage evaluating result's who determines according to the wireless network coverage rate precision is also high more; Therefore, in order to improve the precision of wireless network coverage evaluating, be necessary very much to introduce a kind of scheme that can improve the decision accuracy of wireless network coverage rate.
Summary of the invention
The embodiment of the invention provides the method and apparatus of confirming the wireless network coverage rate, and it is unilateral, inaccurate to be used to solve the wireless network coverage rate result that prior art obtains, and causes the inaccurate problem of wireless network coverage evaluating result.
A kind of method of definite wireless network coverage rate, this method comprises:
To the network coverage assessment area that is divided into several grids; Obtain each the measurement point corresponding wireless network measured value of parameters utilize the road test mode to measure in advance, and obtain each grid corresponding wireless network parameters simulation value of utilizing the emulation of emulation of coverage capability mode to obtain in advance;
Confirm to fall to having each grid of measurement point;
To each grid of determining, each measurement point difference corresponding wireless network measured value of parameters of in the wireless network parameter measured value that obtains, selecting this grid to comprise; And
The said measured value replacement of utilize selecting obtain to wireless network parameter simulation value that should grid;
Each grid that utilization is replaced each grid of simulation value and is not replaced simulation value is confirmed the wireless network coverage rate of said network coverage assessment area.
A kind of equipment of definite wireless network coverage rate, this equipment comprises:
The measurement result determination module is used for obtaining each measurement point corresponding wireless network measured value of parameters of utilizing the road test mode to measure in advance to the network coverage assessment area that is divided into several grids;
The simulation value determination module is used for obtaining each grid corresponding wireless network parameters simulation value of utilizing the emulation of emulation of coverage capability mode to obtain in advance to the said network coverage assessment area that is divided into several grids;
Comprehensive module is used to confirm to fall to having each grid of measurement point;
The parameter measurements determination module is used for to each grid of determining, each measurement point difference corresponding wireless network measured value of parameters of in the wireless network parameter measured value that obtains, selecting this grid to comprise;
The replacement module is used to utilize that the said measured value replacement of selection obtains to wireless network parameter simulation value that should grid;
The coverage rate determination module, each grid that is used to utilize each grid that is replaced simulation value and is not replaced simulation value is confirmed the wireless network coverage rate of said network coverage assessment area.
A kind of method of definite wireless network coverage rate, said method comprises:
To the network coverage assessment area that is divided into several grids, obtain each grid corresponding wireless network parameters simulation value of utilizing the emulation of emulation of coverage capability mode to obtain in advance;
Confirm the scene that each grid is affiliated;
According to the scene under the scene of setting and the corresponding relation that covers weight and definite each grid, confirm the covering weight that each grid is corresponding respectively;
In each grid, confirm that wireless network covers each grid that satisfies the covering requirement;
The covering weight corresponding respectively according to each grid of confirming; The ratio of the covering weight sum of all grids in the covering weight sum of each grid that cover to satisfy cover requires according to wireless network and the said network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
A kind of equipment of definite wireless network coverage rate, this equipment comprises:
The simulation value determination module is used for obtaining each grid corresponding wireless network parameters simulation value of utilizing the emulation of emulation of coverage capability mode to obtain in advance to the network coverage assessment area that is divided into several grids;
Grid scene determination module is used for the scene of confirming that each grid is affiliated;
The weight determination module is used for confirming the covering weight that each grid is corresponding respectively according to the scene under the scene of setting and the corresponding relation that covers weight and definite each grid;
Cover judge module, be used for, confirm that wireless network covers each grid that satisfies the covering requirement at each grid;
The ratio determination module; Be used for the covering weight corresponding respectively according to each grid of confirming; The ratio of the covering weight sum of all grids in the covering weight sum of each grid that cover to satisfy cover requires according to wireless network and the said network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
The scheme that the embodiment of the invention provides; The road test method is effectively combined with the emulation of coverage capability method; At the grid that falls to having measurement point; The wireless network parameter measurement result of utilizing the road test method to obtain is replaced the wireless network parameter simulation value that a part of emulation of coverage capability method obtains, and utilizes wireless network parameter simulation value after being replaced and the wireless network parameter simulation value that is not replaced, and confirms the wireless network coverage rate of this network coverage assessment area; Thereby through utilizing the higher lower wireless network parameter simulation value of wireless network parameter measurement result replacement accuracy of accuracy; Improve the accuracy of utilizing the wireless network coverage rate that the emulation of coverage capability method obtains to a certain extent, simultaneously, also overcome unilateral, the inaccurate problem of the wireless network coverage rate of utilizing the road test method to obtain; Perhaps; According to each scene in the network coverage assessment area to the importance of wireless network coverage evaluating; For each scene setting covers weight,, confirm the covering weight that grid is corresponding according to the scene under the grid; Confirm the wireless network coverage rate in conjunction with covering weight, thereby raising utilizes the accuracy of the wireless network coverage rate that the emulation of coverage capability method obtains.
Description of drawings
Fig. 1 carries out the flow chart of steps of wireless network coverage evaluating for the method for available technology adopting emulation of coverage capability;
The flow chart of steps of the method for a kind of definite wireless network coverage rate that Fig. 2 provides for the embodiment of the invention one;
The flow chart of steps of the method for a kind of definite wireless network coverage rate that Fig. 3 provides for the embodiment of the invention two;
The structural representation of the equipment of a kind of definite wireless network coverage rate that Fig. 4 (a) provides for the embodiment of the invention three;
The structural representation of the equipment of a kind of definite wireless network coverage rate that Fig. 4 (b) provides for the embodiment of the invention three;
The structural representation of the equipment of a kind of definite wireless network coverage rate that Fig. 4 (c) provides for the embodiment of the invention three;
The structural representation of the equipment of a kind of definite wireless network coverage rate that Fig. 4 (d) provides for the embodiment of the invention three;
The flow chart of steps of the method for a kind of definite wireless network coverage rate that Fig. 5 provides for the embodiment of the invention four;
The structural representation of the equipment of a kind of definite wireless network coverage rate that Fig. 6 provides for the embodiment of the invention five.
Embodiment
To the lower problem of wireless network coverage rate accuracy that obtains in the prior art; Be a plurality of grids with wireless network coverage evaluating area dividing in the scheme that the embodiment of the invention provides; Confirm the wireless network coverage condition in whole wireless network coverage evaluating zone according to the wireless network coverage condition of each grid, and relate to the mode of the wireless network coverage rate accuracy that following three kinds of raisings determine:
First kind, the road test method is combined with the emulation of coverage capability method; Utilize the higher wireless network parameter measurement result of accuracy to replace the lower wireless network parameter simulation value of a part of accuracy; Through combining the higher wireless network parameter value of accuracy to confirm the wireless network coverage rate, improve the accuracy of the wireless network coverage rate of determining.
Second kind, according to each scene in the network coverage assessment area to the importance of wireless network coverage evaluating, be that each scene setting covers weight, as; To number of users and all fewer scene of number of services; No matter whether this scene is in wireless network covers down, can not cause very big influence to the user, so this scene is less to the influence of wireless network coverage evaluating; Can be the less relatively covering weight of this scene setting; And can be number of users and all many relatively large covering weights of scene setting of business datum, and embody the influence of different scene with this to network coverage assessment, follow-up when definite wireless network coverage rate; According to the scene under the grid; Confirm the covering weight that grid is corresponding, confirm the wireless network coverage rate in conjunction with covering weight, thereby improve the accuracy of the wireless network coverage rate of determining.
Said covering weight is meant, according to the significance level of each scene to the wireless network coverage evaluating, is the weighted value of this scene setting; This weighted value is a relative value; The covering weight that first scene promptly is set is that the covering weight of 5, the second scenes is 2, with the covering weight that first scene is set be 10; The covering weight of second scene is 4 to be identical implications, representes that all first scene is 2.5 times of second scene to the significance level of wireless network coverage evaluating.
The third, cover requirement according to the wireless network of scene; For this scene corresponding wireless network parameter is provided with threshold value; As being directed against number of users and all fewer scene of number of services; This scene is lower to the requirement that wireless network covers; Can be the lower threshold value of this scene corresponding wireless network parameter setting, and be that all many scene corresponding wireless network parameters of number of users and number of services are provided with higher threshold value, follow-up when definite wireless network coverage rate; According to the scene under the grid; Judge that threshold value that whether grid corresponding wireless network parameter reaches setting confirms that wireless network in this grid covers and whether meet the demands, whether meet the demands, reach the purpose that improves the wireless network coverage rate accuracy of determining thereby can judge that the wireless network of (in this grid) under this scene covers to the demand of different scenes (grid).
Can use at least a accuracy that improves the wireless network coverage rate of determining in said three kinds of modes among the present invention program.
Technical scheme of the present invention is elaborated with each embodiment below in conjunction with Figure of description.
Embodiment one,
The embodiment of the invention one provides a kind of method of definite wireless network coverage rate, and the steps flow chart of this method is as shown in Figure 2, specifically may further comprise the steps:
Step 201, confirm measurement result and simulation value.
In this step; Can be to the network coverage assessment area that is divided into several grids; Obtain to utilize in advance the measurement result of each measurement point corresponding wireless network parameter that the road test method obtains, and the simulation value that obtains to utilize in advance each grid corresponding wireless network parameter that the emulation of coverage capability method obtains.Concrete, measurement result and simulation value can be confirmed through carrying out the operation of road test and emulation of coverage capability respectively.
Said wireless network parameter can be PCCPCH_RSCP and PCCPCH_C/I.
Step 202, confirm to fall to having each grid of measurement point.
In this step, can the measurement point that utilize the road test method to obtain be divided in the grid under this measurement point position, thereby confirm to fall to having each grid of measurement point, promptly confirm to be positioned at the grid on the road.
In this step, might by error certain measurement point that is in A grid (being arranged on the road) edge be divided into the B grid (not being positioned on the road) that reality does not comprise measurement point; To cause the follow-up B grid corresponding simulation value that does not comprise measurement point with the wrong measurement result replacement reality that is divided into the measurement point of B grid; Therefore; More excellent; The number that can in this step, confirm to fall to having measurement point in measurement point and this grid is greater than each grid of setting thresholding; The probability that makes the grid of determining be positioned at road improves, thereby the minimizing later use is positioned at the problem that the measurement result replacement of the measurement point of road is not positioned at the grid corresponding simulation value of road.
Step 203, to each wireless network parameter, obtain this corresponding wireless network parameter measurement result of measurement point.
The measurement point that road test is obtained carries out after rasterizing handles, and can set up the corresponding relation of grid and measurement point, and can be to each corresponding wireless network parameter of grid, this wireless network parameter measurement result of definite measurement point corresponding with this grid.
The simulation value of this wireless network parameter that said this grid of measurement result replacement that step 204, utilization obtain is corresponding.
In this step; Utilize the simulation value of this wireless network parameter of said this grid correspondence of measurement result replacement that obtains in the step 203 that several different methods can be arranged; As; Utilize the simulation value of this corresponding wireless network parameter of this grid of measurement result replacement maximum in the said measurement result that obtains; Utilize the simulation value of this corresponding wireless network parameter of this grid of measurement result replacement minimum in the said measurement result that obtains; Perhaps utilize additive method from said measurement result, to determine the simulation value etc. that a measurement result is replaced this corresponding wireless network parameter of this grid; And more excellent, in order to make the measurement result be used to replace simulation value can better, more fully reflect the attribute of this wireless network parameter that this grid is corresponding, can utilize the simulation value of this corresponding wireless network parameter of this grid of mean value replacement of said measurement result of acquisition.
Step 205, confirm the wireless network coverage rate.
In this step, utilize the simulation value of the wireless network parameter after being replaced and the simulation value of the wireless network parameter that is not replaced, confirm the wireless network coverage rate of this network coverage assessment area.
Concrete; Can be according to being the unified wireless network parameter threshold value of setting of each grid; The simulation value (after being replaced or be not replaced) of confirming the corresponding wireless network parameter is greater than the grid of setting threshold value; Thereby confirm that wireless network covers the grid that satisfied covering requires, and utilize wireless network to cover and satisfy the grid number of covering requirement and the ratio of all grid numbers of network coverage assessment area, confirm the wireless network coverage rate of this network coverage assessment area.
Step 201～step 205; Replace the lower wireless network parameter simulation value of a part of accuracy through utilizing the higher wireless network parameter measurement result of accuracy; Improved the accuracy of the wireless network coverage rate of determining; Simultaneously; Can also further utilize the mean value of wireless network parameter measurement result to replace the wireless network parameter simulation value, make the measurement result be used to replace simulation value can better, more fully reflect the attribute of grid corresponding wireless network parameter, and reach the purpose of the accuracy of the wireless network coverage rate that further raising determines.
Confirm the method for wireless network coverage rate except combining the higher wireless network parameter of precision; Can also be through setting corresponding covering weight for each scene in the wireless network coverage evaluating zone, reach the purpose of the wireless network coverage rate accuracy that further raising determines.
Step 205 specifically comprises:
Step 2051, confirm the scene under each grid.
Confirm the promptly definite residing scene of grid of the affiliated scene of grid.A kind of scene is appreciated that a slice communication zone that defines for according to geographical feature or other modes, and the definition mode of scene is different, confirms that then the method for the scene under each grid maybe be also different.In various embodiments of the present invention, be that various scenes in road and the electronic chart are that example describes with the scene of definition.
In this step, the scene under the grid that can simulation value be replaced is confirmed as road, and can confirm the scene under each grid that simulation value is not replaced according to the scene information on the electronic chart.
Confirm the scene under each grid that simulation value is not replaced according to the scene information on the electronic chart, specifically comprise:
Confirm the position of this grid on electronic chart according to the latitude and longitude information of grid; According to the scene information that is provided with on the electronic chart; If the position at this grid place covers a kind of scene, then the scene of this grid position covering is the affiliated scene of this grid, otherwise; Position as if this grid place covers several scenes, then the maximum a kind of scene of area in the scene of this grid covering is confirmed as the affiliated scene of this grid.
When the maximum scene of area is a plurality of in the scene that this grid covers, in the scene that this grid is covered the maximum a kind of scene of area confirm as under this grid scene can but be not limited to through following dual mode:
First kind, select one arbitrarily as the scene under this grid from the maximum a plurality of scenes of area.
The identical scene of second kind, (or a plurality of) grid from the maximum a plurality of scenes of area, selecting to be close to this grid is as the scene under this grid.
Step 2052, confirm the covering weight of grid.
Grid is under certain scene, and then this grid is identical with this scene to the importance of wireless network coverage evaluating, that is, the covering weight of the scene under the covering weight of grid and this grid is identical.Therefore, according to scene under the scene of setting and corresponding relation that covers weight and the grid, can confirm the covering weight that grid is corresponding.
Whether step 2053, the network coverage of confirming grid are satisfied and are covered requirement.
Can be during all greater than the threshold value set at corresponding each the wireless network parameter simulation value of grid, the wireless network of confirming this grid covers to satisfy and covers requirement, otherwise the wireless network of confirming this grid covers not satisfy and covers requirement.
Step 2054, confirm the wireless network coverage rate.
Utilize the ratio of the covering weight sum of all grids in covering weight sum and the network coverage assessment area of each grid that wireless network cover to satisfy cover requires to confirm the wireless network coverage rate of this network coverage assessment area.
Step 205 is being refined as step 2051～2054; Confirm on the basis of the network coverage in conjunction with covering weight; Can also be further; According to the difference of wireless network coverage evaluating zone scene,, come further to improve the wireless network coverage rate accuracy of determining to the threshold value of scene setting wireless network parameter.
More excellent, after step 2051, before the step 2053, step 205 also comprises step 2052 ':
Step 2052 ', confirm in the grid threshold value that each wireless network parameter is corresponding respectively.
Grid is under certain scene, and then this grid is identical with this scene to the requirement that wireless network covers, that is, the threshold value of each wireless network parameter that grid is corresponding is the threshold value of corresponding each wireless network parameter set of scene under this grid.Therefore, this step specifically comprises: according to scene under the corresponding relation of the scene of setting and wireless network parameter threshold value and the grid, confirm in the grid each wireless network parameter threshold value of correspondence respectively.
At this moment; To each grid, in this grid corresponding wireless network parameters simulation value during greater than this grid corresponding wireless network parameter threshold value, the wireless network of confirming this grid covers to satisfy and covers requirement; Otherwise, confirm that the wireless network of this grid covers the dissatisfied requirement that covers.
This step 2052 ' is not limited to as shown in Figure 2 after step 2052, before the step 2053, carry out, also can be after step 2051, carry out before the step 2052.
In the scheme that embodiment one provides; Also can be the corresponding covering weight of each scene setting; But combining the higher wireless network parameter of precision to confirm on the basis of method of wireless network coverage rate; Difference according to wireless network coverage evaluating zone scene; To the threshold value of scene setting wireless network parameter, when definite wireless network coverage rate, according to the scene under the grid; Judge whether grid corresponding wireless network parameter reaches the corresponding threshold value of this grid and confirm whether the wireless network covering in this grid meets the demands; And utilize the grid number that wireless network cover to satisfy cover requires and the ratio of all grid numbers of network coverage assessment area, confirm the wireless network coverage rate of this network coverage assessment area, thereby reach the purpose of the wireless network coverage rate accuracy that further raising determines.
Certainly; Difference according to wireless network coverage evaluating zone scene; Threshold value to scene setting wireless network parameter; Thereby, judge that threshold value that whether grid corresponding wireless network parameter reaches setting confirms that wireless network in this grid covers and whether meet the demands, and the method for definite wireless network coverage rate also can be used to improve the wireless network coverage rate accuracy of determining separately according to the scene under the grid.
The scheme that provides through the embodiment of the invention one; Not only can improve the accuracy of the wireless network coverage rate of determining; Can also overcome and utilize the road test method to confirm the one-sidedness problem that the wireless network coverage rate exists; Make the wireless network coverage rate of determining more comprehensively to reflect the wireless network coverage condition of network coverage assessment area; And, make the wireless network coverage rate of determining to reflect that the wireless network of network coverage assessment area covers demand through the different covering weights and the method for thresholding being set for the grid under the different scenes.
Below through a concrete instance; To be used for confirming that the wireless network parameter of wireless network coverage rate is PCCPCH_RSCP and PCCPCH_C/I; And utilize three kinds of modes that improve the wireless network coverage rates provided by the invention to be example simultaneously, the scheme of the embodiment of the invention one is elaborated.
Embodiment two,
The embodiment of the invention two provides a kind of method of definite wireless network coverage rate, and the steps flow chart of this method is as shown in Figure 3, specifically may further comprise the steps:
PCCPCH_RSCP and PCCPCH_C/I that step 301, acquisition utilize the road test method to obtain in advance, and the PCCPCH_RSCP and the PCCPCH_C/I that utilize the emulation of coverage capability method to obtain in advance.
Obtain PCCPCH_RSCP and the PCCPCH_C/I utilize the road test method to obtain in advance, can use the customer call on the road measuring device simulated roadway, and to the corresponding PCCPCH_RSCP of each measurement point with PCCPCH_C/I measures and record.
When PCCPCH_RSCP that obtains to utilize in advance the emulation of coverage capability method to obtain and PCCPCH_C/I:
At first, can network coverage assessment area be divided foursquare grid according to the precision of electronic chart, as, the precision of electronic chart is 5 meters, the smallest dimension of the grid that then can obtain dividing is 5 meters of 5 meters *.
Then, can confirm PCCPCH_RSCP and PCCPCH_C/I according to network engineering parameter and propagation model, concrete, can combine antenna model to calculate each grid corresponding wireless network parameter according to following formula:
PCCPCH_RSCP=PCCPCH transmitting power+broadcast antenna gain+other gain-propagation loss-building is worn damage-human body loss-cable loss-shadow fading value.
PCCPCH_C/I=(the strongest PCCCPH_RSCP of this grid)/(this grid is with other sub-district of frequency PCCPCH_RSCP sum).
When the measurement point that the road test method is obtained carries out the rasterizing processing; The method of dividing grid when utilizing the method for emulation of coverage capability to confirm simulation value in the method for carrying out grid division and the step 301 is identical, and the grid that obtains after the division when making the grid that obtains after dividing with definite simulation value is identical.
More excellent, in this step, can be with the number of measurement point in the grid greater than the grid of 5 (set points) as the grid of determining.
After determining the grid that contains at least 5 measurement points; To each grid of determining; Can utilize this grid corresponding simulation value of mean value replacement of the measurement result of each measurement point in this grid, concrete, can confirm the mean value of measurement result through following formula:
Wherein, PCCPCHR
SCPAnd PCCPCH
C/IExpression drops on the PCCPCH_RSCP of each measurement point correspondence in certain grid and the mean value of PCCPCH_C/I measurement result respectively; PCCPCH_RSCP (i) and PCCPCH_C/I (i) represent to drop on corresponding PCCPCH_RSCP and the PCCPCH_C/I measurement result of i measurement point in the said grid respectively, and k is the number that drops on the measurement point in the said grid.
The grid that grid that is replaced to simulation value and simulation value are not replaced is confirmed the scene under each grid.Scene under the grid that simulation value is replaced is confirmed as road, and confirms the scene under each grid that simulation value is not replaced according to the scene information on the electronic chart.
The corresponding respectively threshold value of each wireless network parameter in step 306, the covering weight of confirming grid and the grid.
The basic principle that covers weight is set is: it is big more to cover weight, shows that this scene is big more to the influence of wireless network coverage rate, otherwise, show that then this scene is more little to the influence of wireless network coverage rate.
The basic principle that threshold value is set is: threshold value is low more; The wireless network covering requirement that shows this scene is low more, otherwise, show that then the wireless network covering of this scene requires high more; Concrete, can PCCPCH_RSCP thresholding and PCCPCH_C/I thresholding be set according to the telephone traffic that scene is carried.
Because in an embodiment, the scene under the grid possibly be road, perhaps the scene for defining in the electronic chart; And the scene on the general electronic chart comprises following 13 types: the water surface (Water), marine site (Sea), wetland (Wet_land); Suburb open field (Suburban_Open_Area), city open field (Urban_Open_Area), greenery patches (Green_Land); Forest (Forest); High building (High_Buildings), general common building thing (Ordinary_Regular_Buildings), parallel common building thing (Paralle_Reqular_Buildings); Irregular heavy construction (Irregular_Large_Buildings); Irregular building (Irregular_Buildings) and village, suburb (Suburban_Village) therefore, can set up the corresponding PCCPCH_RSCP thresholding of scene, this scene (being in the grid in this scene), PCCPCH_C/I thresholding and cover the relation of weight as shown in table 1.Corresponding relation shown in the table 1 is not limited to set up in this step, also can before this step, set up.
Table 1
According to the scene under table 1 and the grid, can confirm the covering weight of grid.As, can be the greenery patches according to the scene under the grid, the covering weight of confirming grid is 1, is the village, suburb according to the scene under the grid, the covering weight of confirming grid is 2.
According to the scene under table 1 and the grid,, can confirm PCCPCH_RSCP thresholding and PCCPCH_C/I thresholding that grid is corresponding respectively to PCCPCH_RSCP and PCCPCH_C/I.As, can be the greenery patches according to the scene under the grid, confirm that grid corresponding PCCPCH_RSCP thresholding and PCCPCH_C/I thresholding are respectively-90 and-3.
Whether step 307, the network coverage of confirming grid are satisfied and are covered requirement.
At the corresponding PCCPCH_RSCP of grid and PCCPCH_C/I during all greater than the thresholding in step 306, determined, the wireless network of confirming this grid covers to satisfy and covers requirement, otherwise the wireless network of confirming this grid covers and do not satisfy the covering requirement.
The covering attribute that can represent this grid with a bit; Whether the wireless network that said covering attribute is used for characterizing this grid covers to satisfy and covers requirement; Can set this bit is 1; The wireless network that characterizes this grid covers to satisfy and covers requirement, and setting this bit is 0, and the wireless network that characterizes this grid covers not satisfy and covers requirement.
Be utilized in the wireless network determined in the step 307 and cover the ratio that satisfies the covering weight sum of all grids in the covering weight sum that covers the grid that requires and the network coverage assessment area, confirm the wireless network coverage rate of this network coverage assessment area.
Concrete, can confirm the wireless network coverage rate through following formula:
Wherein,
Coverage (i) represents the covering attribute of i grid, and coverage (i) value is 1 to cover requirement for the wireless network in i grid of expression covers to satisfy, and value is 0 to cover satisfied covering requirement for the wireless network in i grid of expression;
K (i) represents the covering weight of i grid, and said covering weight is to confirm according to the scene under i the grid;
M is the number of grid in the network coverage assessment area.
Method according to the embodiment of the invention one and embodiment two provide provides following equipment.
Embodiment three,
The embodiment of the invention three provides a kind of equipment of definite wireless network coverage rate; The structural representation of this equipment is shown in Fig. 4 (a)～Fig. 4 (d); This equipment specifically comprises measurement result determination module 11, simulation value determination module 12, comprehensive module 13, parameter measurements determination module 14, replacement module 15 and coverage rate determination module 16, wherein:
Measurement result determination module 11 is used for obtaining each measurement point corresponding wireless network measured value of parameters of utilizing the road test mode to measure in advance to the network coverage assessment area that is divided into several grids; Simulation value determination module 12 is used for obtaining each grid corresponding wireless network parameters simulation value of utilizing the emulation of emulation of coverage capability mode to obtain in advance to the said network coverage assessment area that is divided into several grids; Comprehensive module 13 is used to confirm to fall to having each grid of measurement point; Parameter measurements determination module 14 is used for to each grid of determining, each measurement point difference corresponding wireless network measured value of parameters of in the wireless network parameter measured value that obtains, selecting this grid to comprise; Replacement module 15 is used to utilize that the said measured value replacement of selection obtains to wireless network parameter simulation value that should grid; Each grid that coverage rate determination module 16 is used to utilize each grid that is replaced simulation value and is not replaced simulation value is confirmed the wireless network coverage rate of said network coverage assessment area.
The number that comprehensive module 13 specifically is used to confirm to fall to having measurement point is greater than each grid of setting thresholding.
Shown in Fig. 4 (a), coverage rate determination module 16 specifically comprises:
The grid scene confirms that submodule 161 is used for the scene of confirming that each grid is affiliated;
Weight confirms that submodule 162 is used for confirming the covering weight that each grid is corresponding respectively according to the scene under the scene of setting and the corresponding relation that covers weight and definite each grid;
Cover and judge that submodule 163 is used to judge the wireless network of each grid covers whether satisfy the covering requirement; To each grid; In this grid corresponding wireless network parameters simulation value during all greater than the threshold value set; The wireless network of confirming this grid covers the satisfied requirement that covers, otherwise, confirm that the wireless network of this grid covers the satisfied requirement that covers;
Ratio confirms that submodule 164 is used for the covering weight corresponding respectively according to each grid of confirming; The ratio of the covering weight sum of all grids in the covering weight sum of each grid that cover to satisfy cover requires according to wireless network and the said network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
Shown in Fig. 4 (b), coverage rate determination module 16 can also specifically comprise:
The grid scene confirms that submodule 161 is used for the scene of confirming that each grid is affiliated;
Weight confirms that submodule 162 is used for confirming the covering weight that each grid is corresponding respectively according to the scene under the scene of setting and the corresponding relation that covers weight and definite each grid;
Thresholding confirms that submodule 165 is used for according to the scene under the corresponding relation of the scene of setting and wireless network parameter threshold value and definite each grid, confirms that each grid distinguishes corresponding wireless network parameter threshold value;
Cover and judge that submodule 163 is used to judge the wireless network of each grid covers whether satisfy the covering requirement; To each grid; In this grid corresponding wireless network parameters simulation value during greater than this grid corresponding wireless network parameter threshold value; The wireless network of confirming this grid covers the satisfied requirement that covers, otherwise, confirm that the wireless network of this grid covers the satisfied requirement that covers;
Ratio confirms that submodule 164 is used for the covering weight corresponding respectively according to each grid of confirming; The ratio of the covering weight sum of all grids in the covering weight sum of each grid that cover to satisfy cover requires according to wireless network and the said network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
Shown in Fig. 4 (c), coverage rate determination module 16 can also specifically comprise:
The grid scene confirms that submodule 161 is used for the scene of confirming that each grid is affiliated;
Thresholding confirms that submodule 165 is used for according to the scene under the corresponding relation of the scene of setting and wireless network parameter threshold value and definite each grid, confirms that each grid distinguishes corresponding wireless network parameter threshold value;
Cover and judge that submodule 163 is used to judge the wireless network of each grid covers whether satisfy the covering requirement; To each grid; In this grid corresponding wireless network parameters simulation value during greater than this grid corresponding wireless network parameter threshold value; The wireless network of confirming this grid covers the satisfied requirement that covers, otherwise, confirm that the wireless network of this grid covers the satisfied requirement that covers;
Ratio is confirmed the ratio of number of number and said all grids of network coverage assessment area of the grid that submodule 164 is used for cover to satisfy cover requiring according to wireless network, confirms the wireless network coverage rate of said network coverage assessment area.
Shown in Fig. 4 (d), coverage rate determination module 16 can also specifically comprise:
Cover and judge that submodule 163 is used to judge the wireless network of each grid covers whether satisfy the covering requirement; To each grid; In this grid corresponding wireless network parameters simulation value during all greater than the threshold value set; The wireless network of confirming this grid covers the satisfied requirement that covers, otherwise, confirm that the wireless network of this grid covers the satisfied requirement that covers;
Ratio is confirmed the ratio of number of number and said all grids of network coverage assessment area of the grid that submodule 164 is used for cover to satisfy cover requiring according to wireless network, confirms the wireless network coverage rate of said network coverage assessment area.
Wherein, The grid scene confirms that the scene under the grid that submodule 161 specifically is used for simulation value is replaced confirms as road; And confirm the affiliated scene of grid that simulation value is not replaced in the following manner: confirm the position of this grid on electronic chart according to the latitude and longitude information of grid; According to the scene information that is provided with on the electronic chart, if the position at this grid place covers a kind of scene, then the scene of this grid position covering is the affiliated scene of this grid; Position as if this grid place covers several scenes, then the maximum a kind of scene of area in the scene of this grid covering is confirmed as the affiliated scene of this grid.
Embodiment four,
The embodiment of the invention four provides a kind of method of definite wireless network coverage rate, and the steps flow chart of this method is as shown in Figure 5, specifically may further comprise the steps:
In this step, need be in network coverage assessment area, obtain to utilize in advance the simulation value of each grid corresponding wireless network parameter that the emulation of coverage capability method obtains.
In this step, can confirm the scene under each grid according to the scene information on the electronic chart.Concrete, confirm that according to the scene information on the electronic chart method of the scene under each grid is identical among this step and the embodiment one.
Whether step 404, the network coverage of confirming grid are satisfied and are covered requirement.
The identical one to one step of step 2052～step 2054 among step 403～step 405 and the embodiment one repeats no more at this in the present embodiment two.
Certainly; Passing through step 401～step 405; Through the method for different covering weights is set for the grid under the different scenes; In conjunction with covering on the basis of accuracy that weight improves the wireless network coverage rate of determining, can also further improve the accuracy of the wireless network coverage rate of determining further through the method for different threshold is set for the grid under the different scenes.
After the step 402, before the step 404, also comprise step 403 ':
Step 403 ', confirm in the grid threshold value that each wireless network parameter is corresponding respectively.
Step 2052 among this step and the embodiment one ' identical, repeat no more at this.
This step 403 ' is not limited to as shown in Figure 2 after step 402, before the step 403, carry out, also can be after step 403, carry out before the step 404.
According to the method that the embodiment of the invention four provides, following equipment is provided.
Embodiment five,
The embodiment of the invention five provides a kind of equipment of definite wireless network coverage rate; The structural representation of this equipment is as shown in Figure 6; This equipment specifically comprises simulation value determination module 21, grid scene determination module 22, weight determination module 23, covers judge module 24 and ratio determination module 25, wherein:
Simulation value determination module 21 is used for obtaining each grid corresponding wireless network parameters simulation value of utilizing the emulation of emulation of coverage capability mode to obtain in advance to the network coverage assessment area that is divided into several grids; Grid scene determination module 22 is used for the scene under definite each grid; Weight determination module 23 is used for confirming the covering weight that each grid is corresponding respectively according to the scene under the scene of setting and the corresponding relation that covers weight and definite each grid; Cover judge module 24 and be used for, confirm that wireless network covers each grid that satisfies the covering requirement at each grid; Ratio determination module 25 is used for the covering weight corresponding respectively according to each grid of confirming; The ratio of the covering weight sum of all grids in the covering weight sum of each grid that cover to satisfy cover requires according to wireless network and the said network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
Covering judge module 24 specifically is used for according to the scene under the corresponding relation of scene of setting and wireless network parameter threshold value and definite each grid; Confirm each grid corresponding wireless network parameter threshold value respectively; And to each grid; In this grid corresponding wireless network parameters simulation value during greater than this grid corresponding wireless network parameter threshold value, the wireless network of confirming this grid covers to satisfy and covers requirement.
Grid scene determination module 22 specifically is used for confirming the position of this grid on electronic chart according to the latitude and longitude information of grid; According to the scene information that is provided with on the electronic chart; If the position at this grid place covers a kind of scene; Then the scene of this grid position covering is the affiliated scene of this grid, as if the position covering several scenes at this grid place, then a kind of scene of area maximum in the scene of this grid covering is confirmed as the affiliated scene of this grid.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (25)
1. the method for a definite wireless network coverage rate is characterized in that, this method comprises:
To the network coverage assessment area that is divided into several grids; Obtain each the measurement point corresponding wireless network measured value of parameters utilize the road test mode to measure in advance, and obtain each grid corresponding wireless network parameters simulation value of utilizing the emulation of emulation of coverage capability mode to obtain in advance;
Confirm to fall to having each grid of measurement point;
To each grid of determining, each measurement point difference corresponding wireless network measured value of parameters of in the wireless network parameter measured value that obtains, selecting this grid to comprise; And
The said measured value replacement of utilize selecting obtain to wireless network parameter simulation value that should grid;
Each grid that utilization is replaced each grid of simulation value and is not replaced simulation value is confirmed the wireless network coverage rate of said network coverage assessment area.
2. the method for claim 1 is characterized in that, confirms to fall to having each grid of measurement point, specifically comprises:
The number of confirming to fall to having measurement point is greater than each grid of setting thresholding.
3. according to claim 1 or claim 2 method is characterized in that, utilize that the said measured value replacement selected obtains to wireless network parameter simulation value that should grid, specifically comprise:
The mean value replacement of a plurality of said measured values of utilize selecting obtain to wireless network parameter simulation value that should grid.
4. the method for claim 1 is characterized in that, utilizes each grid that is replaced each grid of simulation value and is not replaced simulation value, confirms the wireless network coverage rate of said network coverage assessment area, specifically comprises:
Confirm the scene that each grid is affiliated;
According to the scene under the scene of setting and the corresponding relation that covers weight and definite each grid, confirm the covering weight that each grid is corresponding respectively;
To each grid, in this grid corresponding wireless network parameters simulation value during all greater than the threshold value set, the wireless network of confirming this grid covers to satisfy and covers requirement;
The covering weight corresponding respectively according to each grid of confirming; The ratio of the covering weight sum of all grids in the covering weight sum of each grid that cover to satisfy cover requires according to wireless network and the said network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
5. the method for claim 1 is characterized in that, utilizes each grid that is replaced each grid of simulation value and is not replaced simulation value, confirms the wireless network coverage rate of said network coverage assessment area, specifically comprises:
Confirm the scene that each grid is affiliated;
According to the scene under the scene of setting and the corresponding relation that covers weight and definite each grid, confirm the covering weight that each grid is corresponding respectively;
According to the scene under the corresponding relation of the scene of setting and wireless network parameter threshold value and definite each grid, confirm that each grid distinguishes corresponding wireless network parameter threshold value;
To each grid, in this grid corresponding wireless network parameters simulation value during greater than this grid corresponding wireless network parameter threshold value, the wireless network of confirming this grid covers to satisfy and covers requirement;
The covering weight corresponding respectively according to each grid of confirming; The ratio of the covering weight sum of all grids in the covering weight sum of each grid that cover to satisfy cover requires according to wireless network and the said network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
6. the method for claim 1 is characterized in that, utilizes each grid that is replaced each grid of simulation value and is not replaced simulation value, confirms the wireless network coverage rate of said network coverage assessment area, specifically comprises:
Confirm the scene that each grid is affiliated;
According to the scene under the corresponding relation of the scene of setting and wireless network parameter threshold value and definite each grid, confirm that each grid distinguishes corresponding wireless network parameter threshold value;
To each grid, in this grid corresponding wireless network parameters simulation value during greater than this grid corresponding wireless network parameter threshold value, the wireless network of confirming this grid covers to satisfy and covers requirement;
The ratio of the number of all grids in the number of the grid that cover to satisfy cover requires according to wireless network and the said network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
7. the method for claim 1 is characterized in that, utilizes each grid that is replaced each grid of simulation value and is not replaced simulation value, confirms the wireless network coverage rate of said network coverage assessment area, specifically comprises:
To each grid, in this grid corresponding wireless network parameters simulation value during all greater than the threshold value set, the wireless network of confirming this grid covers to satisfy and covers requirement;
The ratio of the number of all grids in the number of the grid that cover to satisfy cover requires according to wireless network and the said network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
8. like the arbitrary described method of claim 4～6, it is characterized in that, confirm the scene that each grid is affiliated, specifically comprise:
Scene under the grid that simulation value is replaced is confirmed as road; And
Confirm the affiliated scene of grid that simulation value is not replaced in the following manner:
Confirm the position of this grid on electronic chart according to the latitude and longitude information of grid;
According to the scene information that is provided with on the electronic chart; If the position at this grid place covers a kind of scene; Then the scene of this grid position covering is the affiliated scene of this grid; Position as if this grid place covers several scenes, then the maximum a kind of scene of area in the scene of this grid covering is confirmed as the affiliated scene of this grid.
9. the method for claim 1 is characterized in that, said wireless network parameter is Primary Common Control Physical Channel field intensity PCCPCH_RSCP and Primary Common Control Physical Channel Carrier interference ratio PCCPCH_C/I.
10. the equipment of a definite wireless network coverage rate is characterized in that, this equipment comprises:
The measurement result determination module is used for obtaining each measurement point corresponding wireless network measured value of parameters of utilizing the road test mode to measure in advance to the network coverage assessment area that is divided into several grids;
The simulation value determination module is used for obtaining each grid corresponding wireless network parameters simulation value of utilizing the emulation of emulation of coverage capability mode to obtain in advance to the said network coverage assessment area that is divided into several grids;
Comprehensive module is used to confirm to fall to having each grid of measurement point;
The parameter measurements determination module is used for to each grid of determining, each measurement point difference corresponding wireless network measured value of parameters of in the wireless network parameter measured value that obtains, selecting this grid to comprise;
The replacement module is used to utilize that the said measured value replacement of selection obtains to wireless network parameter simulation value that should grid;
The coverage rate determination module, each grid that is used to utilize each grid that is replaced simulation value and is not replaced simulation value is confirmed the wireless network coverage rate of said network coverage assessment area.
11. equipment as claimed in claim 10 is characterized in that, comprehensive module, and the number that specifically is used to confirm to fall to having measurement point is greater than each grid of setting thresholding.
12., it is characterized in that the replacement module is used to specifically to utilize that the mean value replacement of a plurality of said measured values of selection obtains to wireless network parameter simulation value that should grid like claim 10 or 11 described equipment.
13. equipment as claimed in claim 10 is characterized in that, the coverage rate determination module specifically comprises:
The grid scene is confirmed submodule, is used for the scene of confirming that each grid is affiliated;
Weight is confirmed submodule, is used for confirming the covering weight that each grid is corresponding respectively according to the scene under the scene of setting and the corresponding relation that covers weight and definite each grid;
Cover and judge submodule; Be used to judge the wireless network of each grid covers whether satisfy the covering requirement; To each grid, in this grid corresponding wireless network parameters simulation value during all greater than the threshold value set, the wireless network of confirming this grid covers to satisfy and covers requirement; Otherwise, confirm that the wireless network of this grid covers the dissatisfied requirement that covers;
Ratio is confirmed submodule; Be used for the covering weight corresponding respectively according to each grid of confirming; The ratio of the covering weight sum of all grids in the covering weight sum of each grid that cover to satisfy cover requires according to wireless network and the said network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
14. equipment as claimed in claim 10 is characterized in that, the coverage rate determination module specifically comprises:
The grid scene is confirmed submodule, is used for the scene of confirming that each grid is affiliated;
Weight is confirmed submodule, is used for confirming the covering weight that each grid is corresponding respectively according to the scene under the scene of setting and the corresponding relation that covers weight and definite each grid;
Thresholding is confirmed submodule, is used for according to the scene under the corresponding relation of the scene of setting and wireless network parameter threshold value and definite each grid, confirms that each grid distinguishes corresponding wireless network parameter threshold value;
Cover and judge submodule; Be used to judge the wireless network of each grid covers whether satisfy the covering requirement; To each grid, in this grid corresponding wireless network parameters simulation value during greater than this grid corresponding wireless network parameter threshold value, the wireless network of confirming this grid covers to satisfy and covers requirement; Otherwise, confirm that the wireless network of this grid covers the dissatisfied requirement that covers;
Ratio is confirmed submodule; Be used for the covering weight corresponding respectively according to each grid of confirming; The ratio of the covering weight sum of all grids in the covering weight sum of each grid that cover to satisfy cover requires according to wireless network and the said network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
15. equipment as claimed in claim 10 is characterized in that, the coverage rate determination module specifically comprises:
The grid scene is confirmed submodule, is used for the scene of confirming that each grid is affiliated;
Thresholding is confirmed submodule, is used for according to the scene under the corresponding relation of the scene of setting and wireless network parameter threshold value and definite each grid, confirms that each grid distinguishes corresponding wireless network parameter threshold value;
Cover and judge submodule; Be used to judge the wireless network of each grid covers whether satisfy the covering requirement; To each grid, in this grid corresponding wireless network parameters simulation value during greater than this grid corresponding wireless network parameter threshold value, the wireless network of confirming this grid covers to satisfy and covers requirement; Otherwise, confirm that the wireless network of this grid covers the dissatisfied requirement that covers;
Ratio is confirmed submodule, and the ratio of the number of the grid that is used for cover to satisfy cover requiring according to wireless network and the number of said all grids of network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
16. equipment as claimed in claim 10 is characterized in that, the coverage rate determination module specifically comprises:
Cover and judge submodule; Be used to judge the wireless network of each grid covers whether satisfy the covering requirement; To each grid, in this grid corresponding wireless network parameters simulation value during all greater than the threshold value set, the wireless network of confirming this grid covers to satisfy and covers requirement; Otherwise, confirm that the wireless network of this grid covers the dissatisfied requirement that covers;
Ratio is confirmed submodule, and the ratio of the number of the grid that is used for cover to satisfy cover requiring according to wireless network and the number of said all grids of network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
17. like the arbitrary described equipment of claim 13～15; It is characterized in that; The grid scene is confirmed submodule; Scene under the grid that specifically is used for simulation value is replaced is confirmed as road, and confirms the affiliated scene of grid that simulation value is not replaced in the following manner: confirm the position of this grid on electronic chart according to the latitude and longitude information of grid, according to the scene information that is provided with on the electronic chart; If the position at this grid place covers a kind of scene; Then the scene of this grid position covering is the affiliated scene of this grid, as if the position covering several scenes at this grid place, then a kind of scene of area maximum in the scene of this grid covering is confirmed as the affiliated scene of this grid.
18. the method for a definite wireless network coverage rate is characterized in that, said method comprises:
To the network coverage assessment area that is divided into several grids, obtain each grid corresponding wireless network parameters simulation value of utilizing the emulation of emulation of coverage capability mode to obtain in advance;
Confirm the scene that each grid is affiliated;
According to the scene under the scene of setting and the corresponding relation that covers weight and definite each grid, confirm the covering weight that each grid is corresponding respectively;
In each grid, confirm that wireless network covers each grid that satisfies the covering requirement;
The covering weight corresponding respectively according to each grid of confirming; The ratio of the covering weight sum of all grids in the covering weight sum of each grid that cover to satisfy cover requires according to wireless network and the said network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
19. method as claimed in claim 18 is characterized in that, in each grid, confirms that wireless network covers each grid that satisfies the covering requirement, specifically comprises:
To each grid, in this grid corresponding wireless network parameters simulation value during all greater than the threshold value set, the wireless network of confirming this grid covers to satisfy and covers requirement.
20. method as claimed in claim 18 is characterized in that, in each grid, confirms that wireless network covers each grid that satisfies the covering requirement, specifically comprises:
According to the scene under the corresponding relation of the scene of setting and wireless network parameter threshold value and definite each grid, confirm that each grid distinguishes corresponding wireless network parameter threshold value;
To each grid, in this grid corresponding wireless network parameters simulation value during greater than this grid corresponding wireless network parameter threshold value, the wireless network of confirming this grid covers to satisfy and covers requirement.
21., it is characterized in that like the arbitrary described method of claim 18～20, confirm the scene that each grid is affiliated, specifically comprise:
Confirm the position of this grid on electronic chart according to the latitude and longitude information of grid;
According to the scene information that is provided with on the electronic chart; If the position at this grid place covers a kind of scene; Then the scene of this grid position covering is the affiliated scene of this grid; Position as if this grid place covers several scenes, then the maximum a kind of scene of area in the scene of this grid covering is confirmed as the affiliated scene of this grid.
22. the equipment of a definite wireless network coverage rate is characterized in that, this equipment comprises:
The simulation value determination module is used for obtaining each grid corresponding wireless network parameters simulation value of utilizing the emulation of emulation of coverage capability mode to obtain in advance to the network coverage assessment area that is divided into several grids;
Grid scene determination module is used for the scene of confirming that each grid is affiliated;
The weight determination module is used for confirming the covering weight that each grid is corresponding respectively according to the scene under the scene of setting and the corresponding relation that covers weight and definite each grid;
Cover judge module, be used for, confirm that wireless network covers each grid that satisfies the covering requirement at each grid;
The ratio determination module; Be used for the covering weight corresponding respectively according to each grid of confirming; The ratio of the covering weight sum of all grids in the covering weight sum of each grid that cover to satisfy cover requires according to wireless network and the said network coverage assessment area is confirmed the wireless network coverage rate of said network coverage assessment area.
23. equipment as claimed in claim 22; It is characterized in that, cover judge module, specifically be used for to each grid; In this grid corresponding wireless network parameters simulation value during all greater than the threshold value set, the wireless network of confirming this grid covers to satisfy and covers requirement.
24. equipment as claimed in claim 22; It is characterized in that, cover judge module, specifically be used for according to the scene under the corresponding relation of scene of setting and wireless network parameter threshold value and definite each grid; Confirm each grid corresponding wireless network parameter threshold value respectively; And to each grid, in this grid corresponding wireless network parameters simulation value during greater than this grid corresponding wireless network parameter threshold value, the wireless network of confirming this grid covers to satisfy and covers requirement.
25. like the arbitrary described equipment of claim 22～24; It is characterized in that; Grid scene determination module specifically is used for confirming the position of this grid on electronic chart according to the latitude and longitude information of grid, according to the scene information that is provided with on the electronic chart; If the position at this grid place covers a kind of scene; Then the scene of this grid position covering is the affiliated scene of this grid, as if the position covering several scenes at this grid place, then a kind of scene of area maximum in the scene of this grid covering is confirmed as the affiliated scene of this grid.
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