CN101848468B - Method and device for emulating cell layout - Google Patents
Method and device for emulating cell layout Download PDFInfo
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Abstract
The invention discloses a method for emulating cell layout, which comprises the following steps of: taking an original point as a starting point to generate three original vectors each two of which from an included angle of 120 degrees, wherein the lengths of the three original vectors are equal to a specified length; adopting the three original vectors to perform calculations so as to acquire a specified number of intermediate vectors according to the total amount of cells required to be emulated, wherein all the intermediate vectors take the original point as the starting point, and in terminal points of all the intermediate vectors, the distance between each terminal point and an adjacent terminal point is equal to the lengths of the original vectors; dividing the vertical diameter of the cells required to be emulated by the specified length to acquire the scaling time; multiplying all the intermediate vectors by the scaling time to acquire emulation result vectors; and taking the terminal points of all the emulation result vectors as the emulation of the cell layout to acquire a cell central point. The invention also discloses a device for emulating the cell layout. The method and the device for emulating the cell layout can avoid performing calculations on the distances and the included angles of each cell required to be emulated and a small central area so as to reduce the complexity of emulating the cell layout.
Description
Technical field
The present invention relates to mobile communication technology, particularly relate to a kind of emulation mode and device of cell layout.
Background technology
In the system emulation of GSM, need to produce the sub-district distributed model through emulating cell layout earlier, re-use this sub-district distributed model and come anolog base station transmit process and signal interfering process.
At present, the cell layout of the GSM in the practical application adopts cellular structure more.Be example with two-layer and three layers of cell layout respectively.Fig. 1 is the structural representation of two-layer cell layout in the actual GSM.Fig. 2 is the structural representation of three layers of cell layout in the actual GSM.As depicted in figs. 1 and 2, cell layout is a cellular structure; Two-layer cell layout comprises two-layer, and ground floor comprises 1 sub-district, is called center cell, and the second layer comprises 6 sub-districts, two-layer 7 sub-districts altogether; Three layers of cell layout comprise three layers, and ground floor is identical with two-layer cell layout with the second layer, also comprise the 3rd layer in the outer ring of two-layer cell layout, and the 3rd layer comprises 12 sub-districts, and three layers have 19 sub-districts altogether; Wherein all sub-districts are identical regular hexagon.
In system emulation, the purpose of emulating cell layout is exactly the central point that produces each sub-district according to the cell layout of the GSM in the above-mentioned practical application.Existing emulating cell layout method is; Select the central point of a point, and set up rectangular coordinate system as initial point, for other sub-district with this point as center cell; According to the central point of sub-district to be produced and the distance between the center cell central point; And the angle of the central point of sub-district to be produced and center cell central point line and reference axis, utilize the trigonometric function relation to calculate, produce the central point of other sub-district.
The detailed process of existing emulating cell layout method is following:
In following emulation mode, cellp representes the vector of initial point to center of housing estate point, and the coordinate that real part that then should vector and imaginary part are formed is the position coordinates of this center of housing estate point; Cellr representes the vertical radius in sub-district, and promptly the central point of each sub-district is to the vertical range on any limit of hexagon.
At first, select a point to set up rectangular coordinate system as the central point of center cell and with this point as initial point, then the position coordinates of the central point of center cell is [0,0].
Then, confirm the position of the central point of second layer sub-district, cellp2 representes the vector of initial point to the central point of the sub-district of the second layer, and these vectorial computational methods are:
Cellp2=2*cellr* (cos (2 π * k/6)+isin (2 π * k/6)) k=1,2,3,4,5,6---formula 1
Wherein, symbol " * " expression multiplication.
Like this, just accomplished emulation to two-layer cell layout shown in Figure 1.
For three layers of cell layout shown in Figure 2, continue to confirm the position of the central point of the 3rd layer of sub-district, cellp3 representes the vector of central point of the sub-district of three layers of initial points to the, these vectorial computational methods are:
Like this, just accomplished emulation to three layers of cell layout shown in Figure 2.
Adopt said method, can emulation obtain a series of center of housing estate points.The center of housing estate point sketch map that Fig. 3 obtains for existing emulating cell layout method.Referring to Fig. 3; The origin of coordinates is the central point of center cell among the figure; The central point of the sub-district of representing with mark * to be produced by formula 1 is represented the central point of the sub-district that first formula by formula 2 produces with mark ◇, representes the central point of the sub-district that second formula by formula 2 produces with mark ☆.
For than three layers of cell layout of multilayer more; Difference is each sub-district and the distance of center cell and the triangle relation between the angle of emulation as required; Calculate the vector of initial point to the central point of each sub-district, thus the position coordinates that obtains center of housing estate point according to the real part and the imaginary part of vector.
Because existing emulating cell layout method is the hexagonal shape according to the sub-district, need distance and angle between the central point of central point and center cell of sub-district of emulation to calculate one by one according to each, thereby emulation obtain cell layout.Therefore, along with the increase of the number of cells that needs emulation, to the distance of need emulation sub-district and center cell and the also corresponding increase of calculation times of angle, when the number of cells of need emulation more for a long time, the complexity of calculating is too high.And every increase one deck in sub-district of need emulation just need rethink with distance center cell and angle the sub-district, so the versatility of this emulation mode is low.In a word, the complexity of existing emulating cell layout method is high, and applicability is low.
Summary of the invention
The invention provides a kind of emulating cell layout method, adopt this method can reduce the complexity of emulating cell layout.
The present invention also provides a kind of emulating cell layout device, adopts this device can reduce the complexity of emulating cell layout.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention discloses a kind of emulating cell layout method, comprising:
Selecting a point to set up rectangular coordinate system as initial point, is that starting point produces three original vector with the initial point, and the mutual angle of these three original vector is 120 degree, and length is equal to designated length;
The sub-district of emulation sum adopts three original vector to calculate as required, obtains the intermediate vector of specified quantity; Wherein, all above-mentioned intermediate vector are starting point with the initial point all, in the terminal point of all intermediate vector, the distance between each terminal point and the adjacent terminal point all with the equal in length of original vector;
Divided by designated length, obtain the convergent-divergent multiple with the perpendicular diameter of the sub-district that needs emulation, all intermediate vector multiply by the convergent-divergent multiple, obtain the simulation result vector, the central point of each sub-district that obtains as emulating cell layout with the terminal point of each simulation result vector.
The sub-district sum of said emulation as required adopts three original vector to calculate, and obtains the intermediate vector of specified quantity, comprising:
According to s=m
2+ mn+n
2Confirm the value of the first simulation parameter m and the second simulation parameter n, wherein s need to represent the sub-district sum of emulation, and m and n are the integer more than or equal to 0;
According to F=x*E1+y*E2-E2 x, y=1,2 ..., m calculates, and obtains m
2Individual intermediate vector;
According to G=x*E2+y*E3+E1 x, y=1,2 ..., n calculates, and obtains n
2Individual intermediate vector;
According to H=x*E3+y*E1 x=1,2 ..., n, y=1,2 ..., m calculates, and obtains m*n intermediate vector;
Wherein, E1, E2 and E3 be said be the original vector that starting point produces with the initial point.
Said designated length is a unit length, and then said three original vector are unit vector, and the value of said convergent-divergent multiple equals to need the value of perpendicular diameter of the sub-district of emulation.
Said designated length is the perpendicular diameter that needs the sub-district of emulation, and then said convergent-divergent multiple equals 1.
The invention also discloses a kind of emulating cell layout device, comprising:
The definite value unit; Be used for confirming the designated length of original vector and sending to vectorial generation unit; Confirming needs the sub-district sum of emulation and sends to vector calculation unit; Definite perpendicular diameter that needs the sub-district of emulation, the perpendicular diameter of using the sub-district that needs emulation obtains the convergent-divergent multiple and sends to vectorial unit for scaling divided by designated length;
The vector generation unit; Be used to receive designated length from the original vector of definite value unit; Select a point to set up rectangular coordinate system as initial point; With the initial point is that starting point produces three original vector and sends to vector calculation unit, and the mutual angle of these three original vector is 120 degree, and length is equal to designated length;
Vector calculation unit is used to receive the sub-district sum that needs emulation from the definite value unit, receives three original vector from vectorial generation unit; The sub-district of emulation sum adopts three original vector to calculate as required, obtains the intermediate vector of specified quantity and sends to vectorial unit for scaling; Wherein, All above-mentioned intermediate vector are starting point with the initial point all, in the terminal point of all intermediate vector, the distance between each terminal point and the adjacent terminal point all with the equal in length of original vector;
The vector unit for scaling; Be used to receive convergent-divergent multiple from the definite value unit; Reception is from all intermediate vector of vector calculation unit; All intermediate vector multiply by the convergent-divergent multiple, obtain the simulation result vector, the central point of each sub-district that obtains as emulating cell layout with the terminal point of each simulation result vector.
Said vector calculation unit comprises:
The calculation of parameter subelement is used to receive the sub-district sum that needs emulation from the definite value unit, according to s=m
2+ mn+n
2Confirm the value of the first simulation parameter m and the second simulation parameter n and the value of m and n is sent to primary vector computation subunit, secondary vector computation subunit and the 3rd vectorial computation subunit; Wherein, S need to represent the sub-district sum of emulation, and m and n are the integer more than or equal to 0;
The primary vector computation subunit is used to receive original vector E1 and the E2 from vectorial generation unit, receives the value from the m of calculation of parameter subelement, according to F=x*E1+y*E2-E2 x, and y=1,2 ..., m calculates, and obtains m
2Individual intermediate vector also sends to vectorial unit for scaling;
The secondary vector computation subunit is used to receive original vector E1, E2 and E3 from vectorial generation unit, receives the value from the n of calculation of parameter subelement, according to G=x*E2+y*E3+E1 x, and y=1,2 ..., n calculates, and obtains n
2Individual intermediate vector also sends to vectorial unit for scaling;
The 3rd vectorial computation subunit is used to receive original vector E1 and the E3 from vectorial generation unit, receives the value from the m and the n of calculation of parameter subelement; Based on H=x*E3+y*E1 x=1,2 ... N, y=1,2;, m calculates, and obtains m*n intermediate vector and sends to vectorial unit for scaling;
Wherein, E1, E2 and E3 represent three original vector that said vectorial generation unit produces.
Unit length is confirmed as with the designated length of original vector in said definite value unit, and the value of the convergent-divergent multiple that then said definite value unit obtains equals to need the value of perpendicular diameter of the sub-district of emulation, and three original vector that vectorial generation unit produces are unit vector.
The perpendicular diameter of the sub-district that needs emulation is confirmed as with the designated length of original vector in said definite value unit, and the convergent-divergent multiple that then said definite value unit obtains equals 1.
Visible based on above summary of the invention, through setting up original vector that three mutual angles are 120 degree and adopting these three vectors to calculate the central point of the sub-district that needs emulation based on the sub-district sum that needs emulation.Therefore; When the sub-district number that needs emulation increases; Emulating cell layout method and apparatus of the present invention only needs the sub-district sum of emulation according to actual needs that three original vector are carried out vector operation; Therefore save the distance of calculating each sub-district that needs emulation and center cell in the existing emulating cell layout process one by one and the step of angle, thereby reduced the complexity of emulating cell layout, and highly versatile.
Description of drawings
Fig. 1 is the structural representation of two-layer cell layout in the actual GSM;
Fig. 2 is the structural representation of three layers of cell layout in the actual GSM;
The center of housing estate point sketch map that Fig. 3 obtains for existing emulating cell layout method;
Fig. 4 is the flow chart of the emulating cell layout method of the embodiment of the invention;
Fig. 5 is that the emulating cell layout method of the embodiment of the invention generates the sub-district sketch map;
Fig. 6 is the structural representation of the emulating cell layout device of the embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer, describe the present invention below in conjunction with accompanying drawing and specific embodiment.
Basic thought of the present invention is: producing three is that the mutual angle of starting point is the original vector of 120 degree with the initial point; Adopt these three original vector to calculate; Obtain specifying the intermediate vector of number, make in the terminal point of all intermediate vector distance between the adjacent terminal point be equal to the length of original vector, again with the perpendicular diameter of the sub-district that needs emulation divided by designated length; Obtain the convergent-divergent multiple; All intermediate vector multiply by the convergent-divergent multiple, obtain the simulation result vector, thereby obtain final emulation cell topology figure.
Below enumerate a specific embodiment, emulating cell layout method of the present invention is described.Fig. 4 is the flow chart of the emulating cell layout method of the embodiment of the invention.Fig. 5 is that the emulating cell layout method of the embodiment of the invention generates the sub-district sketch map.Referring to Fig. 4 and Fig. 5.The emulating cell layout method of the embodiment of the invention may further comprise the steps:
In the present embodiment; With the designated length is that unit length is an example; Three original vector that then produce all are unit vectors; These three unit vectors are designated as E1, E2 and E3 respectively; E1=1 then; Referring to Fig. 5, E1, E2 and E3 represent with thick arrow in Fig. 5
.
In the present embodiment, still be that unit length is an example with the designated length, then the distance between each terminal point and the adjacent terminal point is unit length.
Wherein, the detailed process of step 42 comprises:
Step 421 is according to s=m
2+ mn+n
2Confirm the value of the first simulation parameter m and the second simulation parameter n, wherein s need to represent the sub-district sum of emulation, and m and n are the integer more than or equal to 0.
For example, for two-layer cell layout structure, s=7 is then according to s=m
2+ mn+n
2Can solve m=2, n=1.For three layers of cell layout structure, s=19 is then according to s=m
2+ mn+n
2Can solve m=3, n=2.More need the corresponding relation of sub-district sum s and the first simulation parameter m and the second simulation parameter n of emulation as shown in table 1.
The mapping table of table 1s and m, n
| m | 1 | 1 | 2 | 2 | 3 | 2 | 3 | 4 | 3 | 4 | 5 | 3 | 4 | 5 | 6 | 4 | 5 | 6 | 4 | … |
| |
0 | 1 | 0 | 1 | 0 | 2 | 1 | 0 | 2 | 1 | 0 | 3 | 2 | 1 | 0 | 3 | 2 | 1 | 4 | … |
| s | 1 | 3 | 4 | 7 | 9 | 12 | 13 | 16 | 19 | 21 | 25 | 27 | 28 | 31 | 36 | 37 | 39 | 43 | 48 | … |
Step 422 according to the first simulation parameter m, adopts original vector E1 and E2 to calculate, and obtains m
2Individual intermediate vector F.In the present embodiment, still being unit vector with original vector E1 and E2 is example.Concrete computational methods are:
F＝x*E1+y*E2-E2?x，y＝1，2，…，m
With three layers of cell layout structure of emulation is example, m=3, then m
2=9, step 422 calculates 9 intermediate vector F1～F9, as follows:
F1＝E1+E2-E2；
F2＝E1+2E2-E2；
F3＝E1+3E2-E2；
F4＝2E1+E2-E2；
F5＝2E1+2E2-E2；
F6＝2E1+3E2-E2；
F7＝3E1+E2-E2；
F8＝3E1+2E2-E2；
F9＝3E1+3E2-E2。
Referring to Fig. 5, indicate the computational process of intermediate vector among Fig. 5 with dotted line, be the terminal points of 9 intermediate vector F1 obtaining of aforementioned calculation with the point of round dot symbol " ● " mark to F9.
Step 423 according to the second simulation parameter n, adopts original vector E1, E2 and E3 to calculate, and obtains n
2Individual intermediate vector G.In the present embodiment, still being unit vector with original vector E1, E2 and E3 is example.Concrete computational methods are:
G＝x*E2+y*E3+E1?x，y＝1，2，…，n
Be example still with three layers of cell layout structure of emulation, n=2, then n
2=4, step 423 calculates 4 intermediate vector G1～G4, as follows:
G1＝E2+E3+E1；
G2＝E2+2E3+E1；
G3＝2E2+E3+E1；
G4＝2E2+2E3+E1。
Referring to Fig. 5, indicate the computational process of intermediate vector among Fig. 5 with dotted line, be the terminal points of 4 intermediate vector G1 obtaining of aforementioned calculation with the point of triangle symbol " ▲ " mark to G4, wherein, the terminal point of vectorial G1 overlaps with initial point.
Step 424 according to the first simulation parameter m and the second simulation parameter n, adopts original vector E1 and E3 to calculate, and obtains m*n intermediate vector H.In the present embodiment, still being unit vector with original vector E1 and E3 is example.Concrete computational methods are:
H＝x*E3+y*E1?x＝1，2，…，n，y＝1，2，…，m
Be example still with three layers of cell layout structure of emulation, m=3, n=2, m*n=6 then, step 424 calculates 6 intermediate vector H1～H6, as follows:
H1＝E3+E1；
H2＝E3+2E1；
H3＝E3+3E1；
H4＝2E3+E1；
H5＝2E3+2E1；
H6＝2E3+3E1。
Referring to Fig. 5; Indicating the computational process of intermediate vector among Fig. 5 with dotted line, is the terminal points of 6 intermediate vector H1 obtaining of aforementioned calculation to H6 with the point of regular hexagon symbol "
" mark.
Three steps of above-mentioned steps 422 to step 424, its order can exchange arbitrarily, can accomplish any two steps wherein simultaneously, also can three steps accomplish simultaneously.
Because the intermediate vector in the step 42 calculates according to original vector, therefore, in step 43,, the length of all intermediate vector is expanded according to the proportionate relationship of original vector with the length of the perpendicular diameter of the sub-district that needs emulation.Be unit length still with designated length in the step 41; The original vector that produces is that unit vector is an example; The perpendicular diameter of sub-district that then needs emulation is divided by designated length, and the value of resulting convergent-divergent multiple is identical with the value of the perpendicular diameter of the sub-district that needs emulation, therefore; All intermediate vector multiply by the perpendicular diameter of the sub-district that needs emulation, obtain the simulation result vector.The perpendicular diameter of said sub-district is 2 times of the vertical radius in sub-district, i.e. distance between the central point of the neighbor cell of required emulation.
In the another one preferred embodiment, still adopt said method, but in step 41, the value of the perpendicular diameter of the sub-district of employing need emulation is as designated length, then in step 43, the convergent-divergent multiple is 1.
Certainly, in other embodiment, also can in step 41, adopt other length, only need in step 43, adjust corresponding convergent-divergent multiple and get final product as designated length.
More than the emulating cell layout method of the embodiment of the invention is illustrated, next, the device that adopts this method to carry out emulating cell layout is explained with a specific embodiment.Fig. 6 is the structural representation of the emulating cell layout device of the embodiment of the invention.
As shown in Figure 6, the emulating cell layout device of the embodiment of the invention comprises at least: definite value unit 61, vectorial generation unit 62, vector calculation unit 63 and vectorial unit for scaling 64.
Vector unit for scaling 64; Be used to receive convergent-divergent multiple from definite value unit 61; Reception is from all intermediate vector of vector calculation unit 63; All intermediate vector multiply by the convergent-divergent multiple, obtain the simulation result vector, the center of housing estate point that obtains as emulating cell layout with the terminal point of all simulation results vector.
Wherein, vector calculation unit 63 comprises at least: calculation of parameter subelement 631, primary vector computation subunit 632, secondary vector computation subunit 633 and the 3rd vectorial computation subunit 634.
Calculation of parameter subelement 631 is used to receive the sub-district sum that needs emulation from definite value unit 61, according to s=m
2+ mn+n
2Confirm the value of the first simulation parameter m and the second simulation parameter n; And the value of m and n sent to primary vector computation subunit 632, secondary vector computation subunit 633 and the 3rd vectorial computation subunit 634; Wherein s need to represent the sub-district sum of emulation, and m and n are the integer more than or equal to 0.
Primary vector computation subunit 632 is used to receive original vector E1 and the E2 from vectorial generation unit 62, receives the value from the m of calculation of parameter subelement 631, according to F=x*E1+y*E2-E2 x, and y=1,2 ..., m calculates, and obtains m
2Individual intermediate vector also sends to vectorial unit for scaling 64.
Secondary vector computation subunit 633 is used to receive original vector E1, E2 and the E3 from vectorial generation unit 62, receives the value from the n of calculation of parameter subelement 631, according to G=x*E2+y*E3+E1 x, and y=1,2 ..., n calculates, and obtains n
2Individual intermediate vector also sends to vectorial unit for scaling 64.
The 3rd vectorial computation subunit 634 is used to receive original vector E1 and the E3 from vectorial generation unit 62, receives the value from the m and the n of calculation of parameter subelement 631; Based on H=x*E3+y*E1 x=1,2 ... N, y=1,2;, m calculates, and obtains m*n intermediate vector and sends to vectorial unit for scaling 64.
In above explanation to primary vector computation subunit 632, secondary vector computation subunit 633 and the 3rd vectorial computation subunit 634, E1, E2 and E3 represent three original vector that said vectorial generation unit 62 produces.
A kind of preferred implementation is; Unit length is confirmed as with the designated length of original vector in definite value unit 61; The value that then obtains the convergent-divergent multiple need to equal the value of perpendicular diameter of the sub-district of emulation, and three original vector that vectorial generation unit 62 produces are unit vector.
Another kind of preferred implementation is, the perpendicular diameter of the sub-district that needs emulation is confirmed as with the designated length of original vector in definite value unit 61, then obtains the convergent-divergent multiple and equals 1.
Visible according to above embodiment; Adopt emulating cell layout method and apparatus of the present invention, through setting up the total central point that adopts these three vectors to calculate the sub-district that needs emulation in sub-district that three mutual angles are the original vector of 120 degree and emulation as required.When the sub-district number that needs emulation increases; Emulating cell layout method and apparatus of the present invention only needs the sub-district sum of emulation according to actual needs that three original vector are carried out vector operation; Needing can to obtain the central point of the sub-district of emulation; And needn't as existing emulating cell layout method, consider sub-district and distance between the center cell and the angular relationship that each needs emulation one by one; Therefore save a large amount of steps in the emulating cell layout process, reduced the complexity of emulating cell layout, highly versatile.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (6)
1. an emulating cell layout method is characterized in that, comprising:
Selecting a point to set up rectangular coordinate system as initial point, is that starting point produces three original vector with the initial point, and the mutual angle of these three original vector is 120 degree, and length is equal to designated length;
The sub-district of emulation sum adopts three original vector to calculate as required, obtains the intermediate vector of specified quantity; Wherein, all above-mentioned intermediate vector are starting point with the initial point all, in the terminal point of all intermediate vector, the distance between each terminal point and the adjacent terminal point all with the equal in length of original vector;
Divided by designated length, obtain the convergent-divergent multiple with the perpendicular diameter of the sub-district that needs emulation, all intermediate vector multiply by the convergent-divergent multiple, obtain the simulation result vector, the central point of each sub-district that obtains as emulating cell layout with the terminal point of each simulation result vector;
The sub-district sum of said emulation as required adopts three original vector to calculate, and obtains the intermediate vector of specified quantity, comprising:
According to s=m
2+ mn+n
2Confirm the value of the first simulation parameter m and the second simulation parameter n, wherein s need to represent the sub-district sum of emulation, and m and n are the integer more than or equal to 0;
According to F=x*E1+y*E2-E2 x, y=1,2 ..., m calculates, and obtains m
2Individual intermediate vector;
According to G=x*E2+y*E3+E1 x, y=1,2 ..., n calculates, and obtains n
2Individual intermediate vector;
According to H=x*E3+y*E1 x=1,2 ..., n, y=1,2 ..., m calculates, and obtains m*n intermediate vector;
Wherein, E1, E2 and E3 be said be the original vector that starting point produces with the initial point.
2. emulation mode according to claim 1 is characterized in that, said designated length is a unit length, and then said three original vector are unit vector, and the value of said convergent-divergent multiple equals to need the value of perpendicular diameter of the sub-district of emulation.
3. emulation mode according to claim 1 is characterized in that, said designated length is the perpendicular diameter that needs the sub-district of emulation, and then said convergent-divergent multiple equals 1.
4. an emulating cell layout device is characterized in that, comprising:
The definite value unit; Be used for confirming the designated length of original vector and sending to vectorial generation unit; Confirming needs the sub-district sum of emulation and sends to vector calculation unit; Definite perpendicular diameter that needs the sub-district of emulation, the perpendicular diameter of using the sub-district that needs emulation obtains the convergent-divergent multiple and sends to vectorial unit for scaling divided by designated length;
The vector generation unit; Be used to receive designated length from the original vector of definite value unit; Select a point to set up rectangular coordinate system as initial point; With the initial point is that starting point produces three original vector and sends to vector calculation unit, and the mutual angle of these three original vector is 120 degree, and length is equal to designated length;
Vector calculation unit is used to receive the sub-district sum that needs emulation from the definite value unit, receives three original vector from vectorial generation unit; The sub-district of emulation sum adopts three original vector to calculate as required, obtains the intermediate vector of specified quantity and sends to vectorial unit for scaling; Wherein, All above-mentioned intermediate vector are starting point with the initial point all, in the terminal point of all intermediate vector, the distance between each terminal point and the adjacent terminal point all with the equal in length of original vector;
The vector unit for scaling; Be used to receive convergent-divergent multiple from the definite value unit; Reception is from all intermediate vector of vector calculation unit; All intermediate vector multiply by the convergent-divergent multiple, obtain the simulation result vector, the central point of each sub-district that obtains as emulating cell layout with the terminal point of each simulation result vector;
Said vector calculation unit comprises:
The calculation of parameter subelement is used to receive the sub-district sum that needs emulation from the definite value unit, according to s=m
2+ mn+n
2Confirm the value of the first simulation parameter m and the second simulation parameter n and the value of m and n is sent to primary vector computation subunit, secondary vector computation subunit and the 3rd vectorial computation subunit; Wherein, S need to represent the sub-district sum of emulation, and m and n are the integer more than or equal to 0;
The primary vector computation subunit is used to receive original vector E1 and the E2 from vectorial generation unit, receives the value from the m of calculation of parameter subelement, according to F=x*E1+y*E2-E2 x, and y=1,2 ..., m calculates, and obtains m
2Individual intermediate vector also sends to vectorial unit for scaling;
The secondary vector computation subunit is used to receive original vector E1, E2 and E3 from vectorial generation unit, receives the value from the n of calculation of parameter subelement, according to G=x*E2+y*E3+E1 x, and y=1,2 ..., n calculates, and obtains n
2Individual intermediate vector also sends to vectorial unit for scaling;
The 3rd vectorial computation subunit is used to receive original vector E1 and the E3 from vectorial generation unit, receives the value from the m and the n of calculation of parameter subelement; Based on H=x*E3+y*E1 x=1,2 ... N, y=1,2;, m calculates, and obtains m*n intermediate vector and sends to vectorial unit for scaling;
Wherein, E1, E2 and E3 represent three original vector that said vectorial generation unit produces.
5. simulator according to claim 4 is characterized in that,
Unit length is confirmed as with the designated length of original vector in said definite value unit, and the value of the convergent-divergent multiple that then said definite value unit obtains equals to need the value of perpendicular diameter of the sub-district of emulation, and three original vector that vectorial generation unit produces are unit vector.
6. simulator according to claim 4 is characterized in that,
The perpendicular diameter of the sub-district that needs emulation is confirmed as with the designated length of original vector in said definite value unit, and the convergent-divergent multiple that then said definite value unit obtains equals 1.
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|---|---|---|---|
| CN 201010132197 CN101848468B (en) | 2010-03-25 | 2010-03-25 | Method and device for emulating cell layout |
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| CN 201010132197 CN101848468B (en) | 2010-03-25 | 2010-03-25 | Method and device for emulating cell layout |
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| CN1264527A (en) * | 1997-05-20 | 2000-08-23 | 北方电讯网络有限公司 | Enhanced cellular layout for CDMA networks having six-sectored cells |
| WO2005064968A1 (en) * | 2003-12-31 | 2005-07-14 | Nokia Corporation | Resource allocation in mobile network |
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| CN1264527A (en) * | 1997-05-20 | 2000-08-23 | 北方电讯网络有限公司 | Enhanced cellular layout for CDMA networks having six-sectored cells |
| WO2005064968A1 (en) * | 2003-12-31 | 2005-07-14 | Nokia Corporation | Resource allocation in mobile network |
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