CN105357684A - Method and device for optimizing WiFi hotspot layout position - Google Patents
Method and device for optimizing WiFi hotspot layout position Download PDFInfo
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- CN105357684A CN105357684A CN201510633847.8A CN201510633847A CN105357684A CN 105357684 A CN105357684 A CN 105357684A CN 201510633847 A CN201510633847 A CN 201510633847A CN 105357684 A CN105357684 A CN 105357684A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
- H04W16/20—Network planning tools for indoor coverage or short range network deployment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Abstract
The invention provides a method and device for optimizing a hotspot layout position. The method comprises the following steps: calculating a coverage area of a hotspot, judging whether a blind spot outside the coverage area of the hotspot exists in a current space to be laid or not, if so, adjusting the position of the hotspot in a direction close to the blind spot or additionally laying the hotspot at a position close to the blind spot till all the positions in the space to be laid are covered by at least one hotspot, and if not, determining the current position, where the hotspot is, as the hotspot layout position, wherein layout of the WiFi hotspot can be optimized.
Description
Technical field
The application relates to wireless communication technology field, particularly relates to a kind of optimization method and device of Wi-Fi hotspot installation position.
Background technology
Novel development in science and technology has facilitation to social progress, wherein wireless WiFi (Wireless Fidelity, WIreless-Fidelity) technology serves important function in the life of current people, because the distribution of wireless signal focus has randomness, lack rationally deploying to ensure effective monitoring and control of illegal activities and constraint to hotspot location, blindness and the performance of random feature are clearly, tradition focus networking when selecting optimum focus is all is standard with the advantage of positional information, selection mode is single, selection space is smaller, and complicated gradually along with focus attribute, people's require that network efficiency aspect cannot have been met only according to a choice criteria, strengthen there is substantive significance to the theoretical research of Wi-Fi hotspot optimal location, the present invention is directed to area wide and there are the megastore of multilayer, large enterprise, dormitory building and some large-scale Recreational places etc., propose a kind of Wi-Fi hotspot optimal location scheme that can realize all standing of wireless signal solid space.The present invention uses the spatial relationship between the decay of wireless signal and propagation distance, set up simple body of wall, the barrier interference descriptive models such as floor, apply in the covering of space by connecing maximum square principle in spheroid, time in free space, the center connecing maximum square in the spheroid that WiFi signal covering is formed is the position of these focuses, when having barrier, within the long long center of supplying square of edge fit be the position of these focuses, portray application scenarios truly, realize under the prerequisite ensureing all standing of WiFi signal solid space, obvious saving Wi-Fi hotspot quantity.
More and more universal at consumer electronics products such as mobile phone, game machine, digital cameras, end product enriches and makes the popularity rate of WiFi will be more and more higher, and all standing theoretical research strengthening realizing WiFi signal has substantive significance.
Because the distribution of wireless signal focus has randomness, lack rationally deploying to ensure effective monitoring and control of illegal activities and constraint to hotspot location, blindness and the performance of random feature are clearly, tradition focus networking when selecting optimum focus is all is standard with the advantage of positional information, selection mode is single, selection space is smaller, and complicated gradually along with focus attribute, cannot meet people's require that network efficiency aspect only according to a choice criteria, strengthen there is substantive significance to the theoretical research of Wi-Fi hotspot optimal location
Along with the continuous increase of end product and data volume and network environment become increasingly complex, WiFi network as good in He Jianshe becomes and becomes more and more important.At present based on the Wi-Fi hotspot optimal location scheme relative maturity of certain algorithm wireless signal two dimension all standing, but there will be two kinds of situations between aspect and aspect: a kind of situation is that WiFi signal blind spot phenomenon appears in some place, causes some place not connect WiFi signal; Another kind of situation is that some place occurs that WiFi signal multilayer covers phenomenon, causes the serious waste of Wi-Fi hotspot.So the solid space all standing focus optimal location theoretical research strengthening realizing WiFi signal has substantive significance.
Summary of the invention
The application provides a kind of optimization method and device of Wi-Fi hotspot installation position, can optimize the layout to Wi-Fi hotspot.
According to the first aspect of the application, the application provides a kind of optimization method of Wi-Fi hotspot installation position, comprising: the overlay area calculating focus, and described focus is arranged in be waited to lay space and at least one location point treating laying space described in covering; Judge the current blind spot treating whether exist in laying space outside the overlay area being positioned at described focus, if, then the position of described focus is carried out toward the direction near described blind spot adjusting or laying focus in addition in the position near described blind spot, until described in wait that laying whole position, space obtains the covering of at least one focus, if not, then the installation position using the current location residing for described focus as described focus is determined.
An optimization device for Wi-Fi hotspot installation position, computing unit, for calculating the overlay area of focus, described focus is arranged in be waited to lay space and at least one location point treating laying space described in covering; Judging unit, for judging the current blind spot treating whether exist in laying space outside the overlay area being positioned at described focus; Focus adjustment unit, during for the result judged at described judging unit for being, by the position of described focus toward carrying out near the direction of described blind spot adjusting or laying focus in addition in the position near described blind spot, until described in wait to lay the covering that whole position, space obtains at least one focus; Focus determining unit, when the result for judging at described judging unit is no, then determines the installation position using the current location residing for described focus as described focus.
The optimization method of Wi-Fi hotspot installation position provided by the invention and device, calculate the overlay area of focus, judge current waiting lays in space whether there is the blind spot be positioned at outside the overlay area of focus, if, then the position of focus is carried out toward the direction near blind spot adjusting or laying focus in addition in the position near blind spot, until described in wait that laying whole position, space obtains the covering of at least one focus, if not, then determine the installation position using the current location residing for focus as described focus, the layout to Wi-Fi hotspot can be optimized.
Accompanying drawing explanation
Fig. 1 is the optimization method schematic flow sheet of the Wi-Fi hotspot installation position of the application;
Fig. 2 is the schematic flow sheet of step 101 in Fig. 1;
Fig. 3 is the propagation schematic diagram of Wi-Fi hotspot;
Fig. 4 is the schematic diagram of the descriptive model of the embodiment of the present application;
Fig. 5 be the present embodiment method with conventional art compare schematic diagram.
Embodiment
In the embodiment of the present application, a kind of optimization method and device of Wi-Fi hotspot installation position is provided, the layout to Wi-Fi hotspot can be optimized.
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
Embodiment one:
As shown in Figure 1, the optimization method of the focus installation position that the embodiment of the present application provides, comprises the following steps:
101, the overlay area of focus is calculated.
Above-mentioned focus is arranged in be waited to lay space and covers at least one location point waiting to lay space.
In an embodiment, as shown in Figure 2, the overlay area calculating focus comprises:
101A, calculating focus are under free space, the effective coverage range of described focus, described free space represents the space of the barrier that there is not focus signal described in loss in space, and described effective coverage range refers within the scope of this, and terminal equipment can utilize described focus interconnection network.
Preferably, when calculating effective coverage range, can comprise the following steps:
1A, calculating focus are under free space, and the effective coverage range of described focus comprises:
Following formula is utilized to carry out calculating the longest effective propagation distance of described focus:
Los＝32.44+201g(d)+201g(f)
Wherein, in above formula, Los is propagation loss, and f is operating frequency, is preset as 2.4GHz, and d is the distance of described focus and terminal use, and Los gets 70dB, obtains the longest effective propagation distance of focus.
1B, centered by described focus, with the longest described effective propagation distance for radius, the spheroid of composition is the effective coverage range of described focus.
101B, judge whether have barrier in described simulation coverage, if then perform step 101C, then perform 101D if not.
101C, calculate before running into barrier respectively, first smallest coverage of described focus signal and the second smallest coverage of described focus signal after running into barrier, using the union of the first smallest coverage and the second smallest coverage as described overlay area.
101D, if not, then connect the overlay area of square as described focus using the most imperial palace of described signal spheroid.
102, judge current waiting lays in space whether there is the blind spot be positioned at outside the overlay area of focus, if so, then performs step 103; If not, then step 104 is performed.
103, the position of focus is carried out toward the direction near blind spot adjust or lay focus in addition in the position near blind spot, until wait to lay the covering that whole position, space obtains at least one focus.
Step 102-103 specifically can comprise the following steps:
2A, obtain between focus and blind spot straight line path in the barrier that exists and barrier loss value that focus is produced.
2B, calculate the maximum loss value of focus and deduct the loss value that barrier produces focus, obtain remaining loss value.
2C, calculate the arrival distance farthest that remaining loss value propagates in free space.
2D, judge blind spot distance the current position of focus whether be less than described in arrive distance farthest, if not, then perform step 2E.
2E, focus to be adjusted toward near the direction of described blind spot, or lay focus in addition in the position near described blind spot.
104, using the installation position of focus current location as focus.
The optimization method of focus installation position provided by the invention, comprise: the overlay area calculating focus, judge current waiting lays in space whether there is the blind spot be positioned at outside the overlay area of focus, if, then the position of focus is carried out toward the direction near blind spot adjusting or laying focus in addition in the position near described blind spot, until wait to lay the covering that whole position, space obtains at least one focus, if not, then determine the installation position using the current location residing for focus as focus.The useful space coverage of focus can be calculated, focus not immobilization can be realized again, focus is carried out tentative movement in solid space.The position of each focus in reasonable Arrangement building space, saves focus quantity.
Lift the optimization method of an object lesson to the focus installation position of the embodiment of the present application below to set forth.
As Fig. 3 shows the relation of Wi-Fi hotspot signal attenuation and propagation distance in free space, and effective coverage range, wherein effectively propagation distance is d, and coverage is V, and non-coverage is V ', and the radius length of non-coverage is D.The propagation loss of Wi-Fi hotspot signal strength signal intensity is quantized, draws the relational expression between focus decay and propagation distance, specific as follows:
The relation formula of WiFi signal decay Los in free space and its propagation distance d is:
Los＝32.44+201g(d)+201g(f)(1)
Wherein: Los is propagation loss, and f is operating frequency, is preset as 2.4GHz, d is the distance of focus and terminal use.
Formula (1) be used for calculating in free space with the propagation loss of the terminal client position of focus distance d., introduce space coordinates here, make the space coordinates of focus be H (X
i, Y
i, Z
i), the space coordinates of the terminal equipment of the connection focus that user uses is D (X
j, Y
j, Z
j),
obviously, the change of hotspot location or changed the position of terminal use, all can change the value of d, and then formula (1) has been incorporated into the concept of the spatial relationship asking focus and terminal equipment.In the embodiment of the present application, first find out and need covering and the position the most easily occurring blind spot, then determine the most suitable installation position of Wi-Fi hotspot.
The position of Wi-Fi hotspot H is made to fix, this formula is carried out inverse operation, the i.e. value of known propagation loss Los, connect upper Wi-Fi hotspot owing to enabling terminal equipment and guarantee surf the Net condition be, the signal strength signal intensity arriving this point is at least-70dBm, therefore propagation loss Los gets limit 70dB here, thus when can determine that a certain focus H fixes, the propagation distance of Wi-Fi hotspot in free stereo space and effective coverage range.
The step of concrete enforcement is as follows:
Step one, as shown in Figure 4, set up the descriptive model of the propagation scenario simulation of a Wi-Fi hotspot, this descriptive model is long by 6, wide, height is respectively 50m, 45m, the little descriptive model composition of 4m, be divided into 3 layers, every layer of 2 little describing module, the modes of emplacement of 6 little descriptive models is neat stacking, based on long * height face (afterwards) view surface, wide * height face is left (right side) view surface, wide of long * is for overlooking drawing, suppose that floor (the wide face of long *) specification is: material is reinforced concrete, thickness is 240mm, body of wall (long * height face, wide * height face) specification is: material is mixed earth, thickness is 240mm, when calculating propagation distance, floor and thickness of wall body do not calculate.
Determine the front view face of describing module, the point that front view face is selected, this point are in left view face and look up on drawing intersection, with this point for the origin of coordinates, front view face and the straight line looking up drawing intersection place are x-axis, left view face and the straight line looking up drawing intersection place are y-axis, the straight line at front view face and intersection place, left view face is z-axis, sets up three-dimensional system of coordinate.
Step 2, determine the scope that needs to cover, within the scope of this, finding out one needs to cover and the most easily occurs the position of blind spot, as positions such as corners, by this position, tentatively determines the position of a certain Wi-Fi hotspot.
Step 3, centered by this focus, set up a simulation spheroid and cover field, when spheroid covering field does not have barrier, maximum square will be connect be considered as the minimum effective coverage range of a meeting spatial all standing condition in it, when there is barrier spheroid covering field, the minimum effective coverage range of a meeting spatial all standing condition, defining method is as follows:
Getting the part region connect before maximum square runs into barrier in spheroid covering field is region 1, measure the distance d of this focus from barrier, using formula (1) calculates this loss intensity Los apart from interior wireless signal, calculate to meet with 70dB-Los and enable terminal use connect upper WiFi and guarantee the signal strength signal intensity Los ' of online condition, such as, if the barrier run into is a face wall, then in this remaining signal strength signal intensity, deduct 18dB again, obtain the remaining loss value Los1 ' after running into wall in this focus signal communication process, if the barrier run into is floor, then in this remaining signal strength signal intensity, deduct 24dB again, obtain the remaining loss value Los2 ' after running into floor in this focus communication process, the signal strength signal intensity Los1 ' (or Los2 ') obtained is substituted in formula (1), namely this signal strength signal intensity also overlayable scope is obtained, this scope is supplied into spheroid, getting in spheroid the common factor connecing maximum square and this scope is region 2, the union in region 1 and region 2 is considered as the effect coverage of a meeting spatial all standing condition.
Step 3, coverage step 2 determined covers needing the place covered, judge whether have blind spot, the presence or absence of blind spot directly can be judged by the quantized value of coverage, or have no signal more than four layers places covered, if there is blind spot, focus is toward covering near needs and the most easily occurring that the position of blind spot is moved, if there is the place of more than four layers quorum sensing inhibitor, focus is toward covering away from needs and the most easily occurring that the position of blind spot is moved, repeat to judge several times and move, finally determine the position of this focus, focus is fixed on this position, then the layout of next focus is carried out, repeat step one to step 3.
On the model basis that the present embodiment is set up, according to formula (1), determine the position H1 of first focus: defining method is as follows:
Meeting the Wi-Fi hotspot coordinate required when just covering initial point under first calculating free space is (17.32m, 17.32m, 17.32m), can know, the coordinate of x and y is all within the scope of descriptive model, but z coordinate is not in scope, if height is 17.32m, Wi-Fi hotspot signal just " must penetrate " 3 layers of floor, signal attenuation 72dB, be greater than 70dB, can not meet and enable terminal use connect Wi-Fi hotspot and the condition guaranteeing online, also to have an appointment the propagation distance of 30m simultaneously, so Wi-Fi hotspot is arranged on (17.32m, 17.32m, 17.32m) place is inappropriate, in order to find more suitably installation position, focus is born along the z-axis direction the direction translation of axle toward z-axis, adjust toward the direction near described blind spot by described focus.In order to the process of sake of clarity translation and the selection course of focus installation position, the adjustment process of distance to Wi-Fi hotspot is as follows:
First, by Wi-Fi hotspot, (Wi-Fi hotspot is at x, invariant position on y-axis direction) bear on the 3rd layer of floor that axle moves in descriptive model toward z-axis along the z-axis direction, now, Wi-Fi hotspot signal just " must penetrate " 2 layers of floor, signal attenuation 48dB, Wi-Fi hotspot at most also can decay 70dB-48dB=32dB afterwards, Los=32dB is substituted into formula (1), try to achieve d and be about 0.38m, but also have propagation distance also to have an appointment 25.8m, can not meet and enable terminal use connect WiFi and the condition guaranteeing online, so this point is also improper, need to proceed adjustment.Then, focus is moved to along the z-axis direction on the 2nd layer of floor in descriptive model, Wi-Fi hotspot just only needs " penetrating " 1 layer of floor, signal attenuation 24dB, at most also can decay 70dB-24dB=56dB, by the formula (1) that Los=56dB substitutes into, try to achieve d and be about 6.0m, but also have propagation distance also to have an appointment 24.8m, still can not meet and enable terminal use connect WiFi and guarantee the condition of surfing the Net, so this point is also inappropriate.Continue focus to move to along the z-axis direction on the 1st layer of ceiling in descriptive model, Wi-Fi hotspot does not just need " penetrating " floor, therefore the decay of signal is only relevant with propagation distance, do the computing of this respect above, obtain d and be about 30m, and also have propagation distance also to have an appointment 24.5m, therefore can know, meet and enable terminal equipment connect WiFi and the condition guaranteeing online, so it is suitable that Wi-Fi hotspot is arranged on this point, so the position with regard to having determined first focus is H1 (17.32m, 17.32m, 4m).
Same, other 7 drift angles of descriptive model meet the just hot spot coordinates be capped when requiring and can obtain, when Wi-Fi hotspot being moved to along the z-axis direction on the in descriptive model the 1st layer of ceiling, WiFi signal arrives the second layer, need " penetrating " 1 layer of floor, signal attenuation 24dB, also can decay at most 70dB-24dB=56dB, Los=56dB is substituted into formula (1), try to achieve d and be about 6.0m, when focus being moved to along the z-axis direction on the in descriptive model the 3rd layer of floor, WiFi signal arrives the second layer, need " penetrating " 1 layer of floor, signal attenuation 24dB, also can decay at most 70dB-24dB=56dB, Los=56dB is substituted into formula (1), try to achieve d and be about 6.0m, and the height of the 2nd layer only has 4m, so, we can know, the Wi-Fi hotspot that some are laid at the 2nd layer can be reduced in a model.Those skilled in the art can know, and foregoing description model is only for example to be not construed as limiting, and the optimization method of the focus installation position of the present embodiment is applicable to the laying of all kinds building.In the building of some larger scopes, if there is the position that still can not cover blind spot after the adjustment of certain Wi-Fi hotspot, then should lay focus in addition in the position near blind spot, and then ensure that whole spaces to be laid are capped, reach the object optimizing Wi-Fi hotspot installation position.
Fig. 5 illustrates the solution of the present invention and implements to arrange with traditional Wi-Fi hotspot the advantage compared, laying of focus is carried out in the scenario simulation descriptive model that WiFi signal is propagated, what clearly can find traditional Wi-Fi hotspot is arranged in this virtual space, the layout of 3 layers of traditional Wi-Fi hotspot at least needs 100 Wi-Fi hotspot, and implement only to need 84 by the present invention program, the layout of 5 layers of traditional Wi-Fi hotspot at least needs 178 Wi-Fi hotspot, and implement only to need 137 by the present invention program, the layout of 7 layers of traditional Wi-Fi hotspot at least needs 256 Wi-Fi hotspot, and implement only to need 190 by the present invention program, the layout of 8 layers of traditional Wi-Fi hotspot at least needs 295 Wi-Fi hotspot, and implement only to need 222 by the present invention program, the layout of 9 layers of traditional Wi-Fi hotspot at least needs 334 Wi-Fi hotspot, and implement only to need 243 by the present invention program.Along with the increase of floor quantity or the increase in space, the layout implementing Wi-Fi hotspot by the present invention program increases gradually than traditional layout reduction.
Embodiment three:
Accordingly, the present embodiment provides a kind of optimization device of focus installation position, comprising:
Computing unit 30, for calculating the overlay area of focus, described focus is arranged in be waited to lay space and at least one location point treating laying space described in covering.
Judging unit 31, for judging the current blind spot treating whether exist in laying space outside the overlay area being positioned at described focus.
Focus adjustment unit 32, during for the result judged at judging unit 31 for being, by the position of described focus toward carrying out near the direction of described blind spot adjusting or laying focus in addition in the position near described blind spot, until described in wait to lay the covering that whole position, space obtains at least one focus.
Focus determining unit 33, when the result for judging at judging unit 31 is no, then determines the installation position using the current location residing for described focus as described focus.
In a preferred embodiment, computing unit 30 specifically comprises:
Computing module 301, for calculating focus under free space, the effective coverage range of described focus, described free space represents the space of the barrier that there is not focus signal described in loss in space, described effective coverage range refers within the scope of this, and terminal equipment can utilize described focus interconnection network.
Judge module 302, for judging whether have barrier in described simulation coverage.
First overlay area computing module 303, for when judge module 302 judges result for being, calculate respectively before running into barrier, first smallest coverage of described focus signal and the second smallest coverage of described focus signal after running into barrier, using the union of the first smallest coverage and the second smallest coverage as described overlay area.
Second overlay area computing module 304, during for judging that result is no at judge module 302, connects the overlay area of square as described focus using the most imperial palace of described signal spheroid.
A preferred embodiment, computing module 301 comprises:
Distance calculation module 301A, carries out the longest effective propagation distance calculating described focus for utilizing following formula:
Los＝32.44+201g(d)+201g(f)
Wherein, in above formula, Los is propagation loss, and f is operating frequency, is preset as 2.4GHz, and d is the distance of described focus and terminal use, and the maximum loss value 70dB of Los heat-obtaining point obtains the longest effective propagation distance of focus.
Effective range determination module 301B, for centered by described focus, with the longest described effective propagation distance for radius, the spheroid of composition is the effective coverage range of described focus.
In a preferred embodiment, judging unit 31 comprises:
Acquisition module 310, for obtaining the loss value that the barrier that exists in the straight line path between described focus and described blind spot and described barrier produce described focus;
Residual loss computing module 311, the maximum loss value for calculating described focus deducts the loss value that described barrier produces described focus, obtains remaining loss value;
Maximum distance computing module 312, for calculating the arrival distance farthest that described remaining loss value is propagated in free space.
Second judge module 313, for judging described blind spot arrives distance described in whether being less than apart from the current position of described focus farthest.
Described focus, specifically for when the second judge module 313 judges that result is no, adjusts toward the direction near described blind spot by focus adjustment unit 32, or lays focus in addition in the position near described blind spot.
The optimization method of focus installation position provided by the invention and device, calculate the overlay area of focus, judge current waiting lays in space whether there is the blind spot be positioned at outside the overlay area of focus, if, then the position of focus is carried out toward the direction near blind spot adjusting or laying focus in addition in the position near blind spot, until described in wait that laying whole position, space obtains the covering of at least one focus, if not, then determine the installation position using the current location residing for focus as described focus, the layout to Wi-Fi hotspot can be optimized.
Above content is in conjunction with concrete execution mode further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made.
Claims (8)
1. an optimization method for Wi-Fi hotspot installation position, is characterized in that, comprising:
Calculate the overlay area of focus, described focus is arranged in be waited to lay space and at least one location point treating laying space described in covering;
Judge the current blind spot treating whether exist in laying space outside the overlay area being positioned at described focus, if, then the position of described focus is carried out toward the direction near described blind spot adjusting or laying focus in addition in the position near described blind spot, until described in wait that laying whole position, space obtains the covering of at least one focus, if not, then the installation position using the current location residing for described focus as described focus is determined.
2. the optimization method of Wi-Fi hotspot installation position as claimed in claim 1, it is characterized in that, the overlay area of described calculating focus comprises:
Calculate focus under free space, the effective coverage range of described focus, described free space represents the space of the barrier that there is not focus signal described in loss in space, and described effective coverage range refers within the scope of this, and terminal equipment can utilize described focus interconnection network;
Judge whether have barrier in described simulation coverage, if, then calculate respectively before running into barrier, first smallest coverage of described focus signal and the second smallest coverage of described focus signal after running into barrier, using the union of the first smallest coverage and the second smallest coverage as described overlay area; If not, then the overlay area of square as described focus is connect using the most imperial palace of described signal spheroid.
3. the optimization method of Wi-Fi hotspot installation position as claimed in claim 2, it is characterized in that, described calculating focus is under free space, and the effective coverage range of described focus comprises:
Following formula is utilized to carry out calculating the longest effective propagation distance of described focus:
Los＝32.44+201g(d)+201g(f)
Wherein, in above formula, Los is propagation loss, and f is operating frequency, is preset as 2.4GHz, and d is the distance of described focus and terminal use, and Los gets 70dB, obtains the longest effective propagation distance of focus;
Centered by described focus, with the longest described effective propagation distance for radius, the spheroid of composition is the effective coverage range of described focus.
4. the optimization method of Wi-Fi hotspot installation position as claimed in claim 3, it is characterized in that, describedly judge that current waiting lays in space the blind spot whether existed outside the overlay area being positioned at described focus, if, by the position of described focus toward carrying out near the direction of described blind spot adjusting or laying focus in addition in the position near described blind spot, until described in wait to lay the covering that whole position, space obtains at least one focus and comprise:
Obtain the loss value that the barrier that exists in the straight line path between described focus and described blind spot and described barrier produce described focus;
The maximum loss value calculating described focus deducts the loss value that described barrier produces described focus, obtains remaining loss value;
Calculate the arrival distance farthest that described remaining loss value is propagated in free space;
Judge described blind spot arrives distance described in whether being less than apart from the current position of described focus farthest, if not, then described focus is adjusted toward the direction near described blind spot, or lay focus in addition in the position near described blind spot.
5. an optimization device for Wi-Fi hotspot installation position, is characterized in that, comprising:
Computing unit, for calculating the overlay area of focus, described focus is arranged in be waited to lay space and at least one location point treating laying space described in covering;
Judging unit, for judging the current blind spot treating whether exist in laying space outside the overlay area being positioned at described focus;
Focus adjustment unit, during for the result judged at described judging unit for being, by the position of described focus toward carrying out near the direction of described blind spot adjusting or laying focus in addition in the position near described blind spot, until described in wait to lay the covering that whole position, space obtains at least one focus;
Focus determining unit, when the result for judging at described judging unit is no, then determines the installation position using the current location residing for described focus as described focus.
6. the optimization device of Wi-Fi hotspot installation position as claimed in claim 5, is characterized in that,
Described computing unit specifically comprises:
Computing module, for calculating focus under free space, the effective coverage range of described focus, described free space represents the space of the barrier that there is not focus signal described in loss in space, described effective coverage range refers within the scope of this, and terminal equipment can utilize described focus interconnection network;
Judge module, for judging whether have barrier in described simulation coverage;
First overlay area computing module, for when described judge module judges result for being, calculate respectively before running into barrier, first smallest coverage of described focus signal and the second smallest coverage of described focus signal after running into barrier, using the union of the first smallest coverage and the second smallest coverage as described overlay area;
Second overlay area computing module, during for judging that result is no at described judge module, connects the overlay area of square as described focus using the most imperial palace of described signal spheroid.
7. the optimization device of Wi-Fi hotspot installation position as claimed in claim 6, it is characterized in that, described computing module comprises:
Distance calculation module, the longest effective propagation distance calculating described focus is carried out for utilizing following formula:
Los＝32.44+201g(d)+201g(f)
Wherein, in above formula, Los is propagation loss, and f is operating frequency, is preset as 2.4GHz, and d is the distance of described focus and terminal use, and Los gets 70dB, obtains the longest effective propagation distance of focus;
Effective range determination module, for centered by described focus, with the longest described effective propagation distance for radius, the spheroid of composition is the effective coverage range of described focus.
8. the optimization device of Wi-Fi hotspot installation position as claimed in claim 7, is characterized in that,
Described judging unit comprises:
Acquisition module, for obtaining the loss value that the barrier that exists in the straight line path between described focus and described blind spot and described barrier produce described focus;
Residual loss computing module, the maximum loss value for calculating described focus deducts the loss value that described barrier produces described focus, obtains remaining loss value;
Maximum distance computing module, for calculating the arrival distance farthest that described remaining loss value is propagated in free space;
Second judge module, for judging described blind spot arrives distance described in whether being less than apart from the current position of described focus farthest;
Described focus, specifically for when described second judge module judges that result is no, adjusts toward the direction near described blind spot by described focus adjustment unit, or lays focus in addition in the position near described blind spot.
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|---|---|---|---|
| CN201510633847.8A CN105357684B (en) | 2015-09-29 | 2015-09-29 | A kind of optimization method and device of Wi-Fi hotspot installation position |
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| CN201510633847.8A CN105357684B (en) | 2015-09-29 | 2015-09-29 | A kind of optimization method and device of Wi-Fi hotspot installation position |
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| CN105357684A true CN105357684A (en) | 2016-02-24 |
| CN105357684B CN105357684B (en) | 2018-10-09 |
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