CN103929751A - Method and device for determining pair of cells located in different networks and covering same area - Google Patents
Method and device for determining pair of cells located in different networks and covering same area Download PDFInfo
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- CN103929751A CN103929751A CN201310012003.2A CN201310012003A CN103929751A CN 103929751 A CN103929751 A CN 103929751A CN 201310012003 A CN201310012003 A CN 201310012003A CN 103929751 A CN103929751 A CN 103929751A
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Abstract
The embodiment of the invention provides a method and device for determining a pair of cells located in different networks and covering the same area. The method for determining the pair of cells located in the different networks and covering the same area comprises the steps that the coverage area of each cell in the first network and the coverage area of each cell in the second network are estimated respectively according to the basic information of each cell in the first network and the basic information of each cell in the second network; for each cell in the first network, the degree of overlapped coverage of the cell and each of the other coverage areas is calculated according to the coverage area of the cell and acquired time advance statistical data of the cell; the coverage cell, with the highest degree of overlapped coverage, obtained through calculation and the cell in the first network are combined to form the pair of cells which cover the same area, and the pair of cells are output. By the adoption of the method and device for determining the pair of cells located in the different networks and covering the same area, the coverage area of all cells can be estimated firstly according to the basic information of each cell in the different networks, and then the pair of cells located in the different networks and covering the same area can be determined accurately according to the time advance statistical data of the cells and the like.
Description
Technical field
The present invention relates to mobile communication technology field, relate in particular to right method and the device in community that covers common region in a kind of definite heterogeneous networks.
Background technology
Along with popularizing of intelligent mobile terminal, and the continuous growth of Packet data service scale, the Generation Mobile Telecommunication System network of operator is saturated gradually now, the scale of 3 G mobile communication network constantly expands simultaneously, under this situation, operator will run these two mobile communications networks conventionally simultaneously at present.So, under the environment covering at this heterogeneous networks, for rational management Internet resources, cut operating costs and ensure that user has good business experience, operator tends to obtain some statisticss by number of ways, such as obtaining from network management system, business support system, signaling monitoring system etc., to obtain covering in heterogeneous networks the cell information (this information is the Back ground Information for collaborative operation between heterogeneous networks) of common region, be convenient to carry out association analysis between heterogeneous networks, scheduling etc.
At present, conventionally by following two kinds of modes, obtain the cell information that covers common region in heterogeneous networks:
First kind of way: the drive test data under heterogeneous networks is analyzed, to obtain the cell information that covers common region in heterogeneous networks, be specially, adopt the mode of artificial field test, for example, use the mobile terminal of two record support geographical location information, and move along a predetermined route, record respectively the signal strength signal intensity of mobile terminal under heterogeneous networks, and then according to the mould network selection information of mobile terminal, the drive test data that forms the actual heterogeneous networks coverage condition of reflection, carries out subsequent analysis.
The second way: the communication event statistics in heterogeneous networks is analyzed, to obtain the cell information that covers common region in heterogeneous networks, for example according to the switching times between the upper statistics of radio network controller (RNC) in base station controller in gsm system (BSC) or 3 G mobile communication network Ge community, analyze, if the switching times between A network Zhong community a and B network Zhong community b is more, so just think that community a and community b are one group of communities pair that covers common region.
From above-mentioned two kinds of obtain manners, can find out, adopt the words of first kind of way, generally need to be along a predetermined route, this test mode cannot cover the whole region of heterogeneous networks, and the accuracy of cell information that covers common region in the heterogeneous networks that makes to obtain is poor; Adopt the words of the second way, for example according to this mode of switching times, can only judge that Liang Ge community exists neighboring BS relationship, and can not determine that the two is to belong to the community that covers common region, still only belong to borderline phase adjacent cell, and this mode also cannot be avoided due to configuring adjacent cell relation and do not count on switching times not in communication equipment, thereby the situation of ignoring the covering common region between Liang Ge community, the accuracy of cell information that covers common region in this heterogeneous networks that just makes to obtain is still poor.
Summary of the invention
The embodiment of the present invention provides right method and the device in community that covers common region in a kind of definite heterogeneous networks, in order to solve the existing poor problem of accuracy of obtaining the community that covers common region in heterogeneous networks.
Based on the problems referred to above, in a kind of definite heterogeneous networks that the embodiment of the present invention provides, cover the method for the community of common region, comprising:
According to the Back ground Information of first network and second network Zhong Ge community, the overlay area of estimating respectively first network and second network Zhong Ge community, described Back ground Information comprises positional information, antenna azimuth and the transmitting power of first network and second network Zhong Ge community;
For each community in first network, according to the overlay area of this community and the Timing Advance statistics that collects Gai community, calculate the common level of coverage value between this community and each coverage cell, each coverage cell is the community that the overlay area of second network Zhong Yugai community exists overlapping region;
By the coverage cell of the common level of coverage value maximum calculating, the community that form to cover common region with first network Zhong Gai community to and output.
The right device in community that covers common region in a kind of definite heterogeneous networks that the embodiment of the present invention provides, comprising:
Overlay area estimation block, be used for according to the first network of Back ground Information memory module storage and the Back ground Information of second network Zhong Ge community, the overlay area of estimating respectively first network and second network Zhong Ge community, described Back ground Information comprises positional information, antenna azimuth and the transmitting power of first network and second network Zhong Ge community;
Common level of coverage computing module, for each community for first network, according to the Timing Advance statistics of the overlay area of this community and data collecting module collected Dao Gai community, calculate the common level of coverage value between this community and each coverage cell, each coverage cell is the community that the overlay area of second network Zhong Yugai community exists overlapping region;
Output module, for by the coverage cell of the common level of coverage value maximum calculating, with first network Zhong Gai community form the community that covers common region to and output.
The beneficial effect of the embodiment of the present invention comprises: right method and the device in community that covers common region in a kind of definite heterogeneous networks that the embodiment of the present invention provides, in the method, first can, according to the Back ground Informations such as positional information, antenna azimuth and transmitting power of first network and second network Zhong Ge community, estimate respectively the overlay area of first network and second network Zhong Ge community; Then for each community in first network, can be according to the overlay area of this community and the statisticss such as Timing Advance that collect Gai community, calculate respectively common level of coverage value between this community and each coverage cell (overlay area that coverage cell refers to second network Zhong Yugai community exists the community of overlapping region) here; Finally, by the coverage cell of the common level of coverage value maximum calculating, partner and cover common region community output with first network Zhong Gai community.In embodiments of the present invention, in estimation heterogeneous networks separately during the overlay area of community, that the information such as antenna azimuth according to these communities, transmitting power are estimated, this estimation result is more close to the actual coverage condition of community under heterogeneous networks, so just make the community of covering common region of output to more accurate, facilitate the collaborative operation of community under heterogeneous networks; And during the common level of coverage value under calculating heterogeneous networks between community, the statisticss such as Timing Advance of community have been considered, like this under the common coverage condition comparing between heterogeneous networks Zhong Liangge community, not only just weigh the area that covers common region, also according to statisticss such as Timing Advances, weighed both and covered the service distribution weight of common region, the right traffic aided degree in the community of the covering common region obtaining is thus more close.
Accompanying drawing explanation
In definite heterogeneous networks that Fig. 1 provides for the embodiment of the present invention, cover the flow chart of the right method in the community of common region;
The flow chart of the coverage cell of the estimation first network Zhong Ge community that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 provides the first overlay area schematic diagram of Gai community for the embodiment of the present invention;
Fig. 4 provides the second overlay area schematic diagram of Gai community for the embodiment of the present invention;
Fig. 5 provides the current overlay area schematic diagram of this community for the embodiment of the present invention;
Fig. 6 provides the overlay area schematic diagram of Gai community for the embodiment of the present invention;
Fig. 7 provides the area schematic diagram of all subregion in the overlay area of Gai community for the embodiment of the present invention;
Fig. 8 covers the community schematic diagram of common region for the embodiment of the present invention provides Yu Gai community;
In definite heterogeneous networks that Fig. 9 provides for the embodiment of the present invention, cover the structural representation of the right device in the community of common region.
Embodiment
The existing mode that covers common region cell information in heterogeneous networks of obtaining, is generally according to the drive test data under heterogeneous networks, obtains the cell information that covers common region in heterogeneous networks; Or according to the communication event statistics in heterogeneous networks, obtain, but no matter adopt which kind of mode, all exist the community of the covering common region getting not accurate enough.Based on this problem, the embodiment of the present invention provides right method and the device in community that covers common region in a kind of definite heterogeneous networks, can be according to the Back ground Information of heterogeneous networks Zhong Ge community, estimate the overlay area of these communities, according to the statisticss such as Timing Advance of these communities, can determine exactly the community pair that covers common region in heterogeneous networks again.
Below in conjunction with Figure of description, the method for community and the embodiment of device that in a kind of definite heterogeneous networks that the embodiment of the present invention is provided, cover common region describe.
In a kind of definite heterogeneous networks that the embodiment of the present invention provides, cover the right method in community of common region, can be applied under the scene of multiple network covering, be not limited in the following first network of mentioning and second network, but in the situation that multiple network for example comprises more than 2 heterogeneous networks, in the community that determine to cover common region to time, be first these networks to be divided into some groups, every group includes two networks, then by following method, determines.For example, under the scene of A network, B network and the C network coverage, can be divided into 3 groups and be determined one by one (the 1st group: A network and B network; The 2nd group: A network and C network; The 3rd group: B network and C network).
As shown in Figure 1, in definite heterogeneous networks that the embodiment of the present invention provides, cover the right method in community of common region, specifically comprise the following steps:
S101: according to the Back ground Information of first network and second network Zhong Ge community, estimate respectively the overlay area of first network and second network Zhong Ge community;
Here, aforementioned Back ground Information can comprise positional information, antenna azimuth and the transmitting power of first network and second network Zhong Ge community, and for example positional information can comprise the latitude and longitude information of affiliated base station, each community;
S102: for each community in first network, according to the overlay area of this community and the Timing Advance statistics that collects Gai community, calculate respectively the common level of coverage value between this community and each coverage cell;
Here, there is the community of overlapping region in the overlay area that in fact each coverage cell refers to second network Zhong Yugai community, can adopt existing mode from the community of second network, to find out these coverage cell, searches in detail flow process and be not described in detail in this;
S103: by the coverage cell of the common level of coverage value maximum calculating, the community that form to cover common region with first network Zhong Gai community to and output.
Preferably, in above-mentioned steps S101, as shown in Figure 2, can estimate by following flow process the overlay area of first network Zhong Ge community:
S201: for each community in first network, according to the corresponding relation of the transmitting power of this community and covering radius, determine the covering radius of this community, the antenna position of Bing Jiangyigai community is the center of circle and take covering radius as the formed border circular areas of radius, is estimated as the first overlay area of this community;
S202: judge whether to exist cobasis Zhan community, Yu Gai community, if so, perform step S203; If not, execution step S204;
S203: in cobasis Zhan community, Cong Yugai community, according to the first pre-conditioned first kind adjacent area of determining this community, and according to antenna azimuth and first overlay area of each adjacent area in this community and first kind adjacent area, obtain the second overlay area of this community;
S204: the first overlay area of determining this community is unchanged, and continue execution step S205;
S205: in the cell set at non-cobasis station, Cong Yugai community, according to the second pre-conditioned Equations of The Second Kind adjacent area of determining this community, and according to the transmitting power of each adjacent area in this community and Equations of The Second Kind adjacent area, and the first overlay area or the second overlay area, obtain the overlay area of this community.
Preferably, in above-mentioned steps S201, with A network (first network) Zhong community A
0for example, community A
0transmitting power and the corresponding relation of covering radius can adopt existing known computation model or simplified model to calculate, can determine according to this corresponding relation the maximum covering radius R of this community
a0draw circle, be specially with community A
0antenna position be the center of circle, with R
a0for the formed border circular areas of radius, as the first overlay area (namely initial overlay area, dash area as shown in Figure 3).
Preferably, in above-mentioned steps S203, the first pre-conditioned can realization by following manner:
For each community in first network, in cobasis Zhan community, Cong Yugai community, the corresponding community of antenna azimuth of the equal minimum of angle that the antenna azimuth of selection Yu Gai community forms in clockwise and counter clockwise direction, and the first kind adjacent area using it as this community.
Here, first is pre-conditionedly not limited in above-mentioned this implementation, certainly can also by other conditions, select the first kind adjacent area of this community, at this, will not enumerate.
Further, in above-mentioned steps S203, can obtain by following flow process the second overlay area of this community:
The antenna position of Yi Gai community is end points, and the angular bisector direction of the antenna azimuth angle of each adjacent area in Yan Gai community and first kind adjacent area, determines the first ray and the second ray respectively;
By the first ray, the formed sector region of the second ray and the first overlay area, as the second overlay area of this community.Here, sector region is actually the region of the antenna bearingt ray that angular direction is done that comprises Yan Gai community.
Still with above-mentioned community A
0for example, suppose community A
0antenna azimuth be ∠ A
0, the antenna azimuth of adjacent area is ∠ A clockwise
adj1, both angles are Angle (∠ A like this
0, ∠ A
adj1), the antenna azimuth ∠ A of counterclockwise adjacent area
adj2, both angles are Angle (∠ A like this
0, ∠ A
adj2).So, with community A
0antenna position be end points, respectively along ∠ A
0clockwise deflection 1/2Angle (∠ A
0, ∠ A
adj1) determine the first ray, that is to say Yan Gai community and clockwise the angular bisector orientation determination of the antenna azimuth angle of adjacent area; Along ∠ A
0counterclockwise deflection 1/2Angle (∠ A
0, ∠ A
adj2) determine the second ray, that is to say, Yan Gai community and the counterclockwise angular bisector orientation determination of the antenna azimuth angle of adjacent area, so, two rays and community A
0the sector region of antenna bearingt ray that angular direction is done of the first formed Yan Gai of comprising community, overlay area, as community A
0the second overlay area (dash area as shown in Figure 4).
Preferably, in above-mentioned steps S205, the second pre-conditioned can realization by following manner:
For each community in first network, calculate respectively distance and covering radius sum between the affiliated base station of each community in the cell set at non-cobasis station, He Yugai community, this community;
In the cell set at non-cobasis station, Cong Yugai community, the distance under selection Yu Gai community between base station is less than the community of the covering radius sum of Yu Gai community, and the Equations of The Second Kind adjacent area using it as this community.
Here, Reng Yi community A
0for example, can Jiang Yu community A
0distance between affiliated base station is less than and community A
0the community of covering radius sum, be labeled as respectively community N
1, community N
2community N
n.In addition, above-mentioned second is pre-conditionedly not limited in above-mentioned this implementation, certainly can also by other conditions, select the Equations of The Second Kind adjacent area of this community, at this, will not enumerate.
Further, in above-mentioned steps S205, by following flow process, obtain the overlay area of this community:
For each community in first network, in Gai community and Equations of The Second Kind adjacent area on the line of the antenna position of each adjacent area, according to the transmitting power of each adjacent area in this community and Equations of The Second Kind adjacent area, calculate the equal point of received signal strength of terminal on each line, and through this point, do the vertical line of this place line;
In each vertical line and the first overlay area or the second overlay area crossing in the situation that, each vertical line and the first overlay area or the second overlay area are formed and near the region of the aerial position of this community, as the overlay area of this community.
In this flow process, on line in Gai community and Equations of The Second Kind adjacent area between the antenna position of each community, can be according to the ratio of the transmitting power of each adjacent area in this community and Equations of The Second Kind adjacent area, also can according to the transmitting power of each adjacent area in this community and Equations of The Second Kind adjacent area square ratio, calculate the equal point of received signal strength of terminal on this line.Certainly, also can adopt other modes to calculate, at this, enumerate no longer one by one.
Reng Yi community A
0for example, the Equations of The Second Kind adjacent area of supposing it is community N
1, community N
2community N
n, so, for community N
1, suppose at community A
0with community N
1antenna position between line on, the equal point of received signal strength that calculates terminal is X, so, along this X, do the vertical line of line, if intersect this vertical line and the first overlay area or the second overlay area, this vertical line and the first overlay area or the second overlay area form two regions so, will be near community A
0the region of antenna position as this vertical line and the first overlay area or the second overlay area, form and near the region (dash area as shown in Figure 5) of the aerial position of this community.
For other communities N
2community N
n, repeat above-mentioned flow process, can obtain the region of the aerial position of this community that each vertical line and the first overlay area or the second overlay area form and close, the overlay area using it as this community (dash area as shown in Figure 6).
For each community in second network, estimate the mode of the overlay area of each community in this network, identical with the estimation mode of each community in first network, do not repeat them here.
Preferably, in above-mentioned steps 102, by following flow process, calculate the common level of coverage value between this community and each coverage cell:
According to the Timing Advance statistics of the first network Zhong Gai community collecting, the overlay area of Jiang Gai community is divided into a plurality of subregions, and calculates the area of every sub regions; Here, every sub regions represents between distance regions corresponding to Timing Advance statistics;
According to formula W
iall user's sampling numbers in the overlay area of all user's sampling number/these communities in=every sub regions, calculate the distribution of traffic weight of every sub regions, wherein W
idistribution of traffic weight for every sub regions;
Calculate the area of the overlapping region of all subregion in the overlay area of Yu Gai community, overlay area of each coverage cell, and use following formula to calculate respectively the common level of coverage value between this community and each coverage cell:
Wherein, C (A
x, B
y) Wei Gai community A
xwith each coverage cell B
ybetween common level of coverage value;
Area (S
i, B
y) be each coverage cell B
yyu Gai community, overlay area A
xoverlay area in every sub regions S
ithe area of overlapping region;
Area (S
i) Wei Gai community A
xoverlay area in every sub regions S
iarea.
In this flow process, these Timing Advance statisticss can be gathered by base station controller or radio network controller, Reng Yi community A
0for example, the coverage cell of supposing it is B network Zhong community B
1, community B
2community B
n, according to community A
0the distance of Timing Advance statistics representative, can be divided into some subareas that distance is different, for example subregion S
1, S
2s
n(as shown in Figure 7), the area of every sub regions can be Area (S
1), Area (S
2) ... Area (S
n).Here, the area that calculates subregion is prior art, is not described in detail in this.
So, for community A
0with community B
1, first use existing area algorithm to calculate community B
1with community A
0area A rea (the S of the overlapping region of middle all subregion
1, B
1), then use
calculate community B
1with community A
0common level of coverage value; Adopt afterwards same account form calculation plot B successively
2community B
n, after the whole calculating in all overlay cells finishes, the community of selecting common level of coverage value maximum (is assumed to be community B
1, dash area as shown in Figure 8), with community A
0partner and cover common region community, can the file format output with certain type by this result, or output to external system with the interface mode consulting, can also with map etc. intuitively mode present, at this, will not enumerate.
Based on same inventive concept, the embodiment of the present invention also provides the right device in community that covers common region in a kind of definite heterogeneous networks, the method that the principle of dealing with problems due to this device is right to the community that covers common region in aforementioned definite heterogeneous networks is similar, therefore the enforcement of this device can, referring to the enforcement of preceding method, repeat part and repeat no more.
The right device in community that covers common region in definite heterogeneous networks that the embodiment of the present invention provides, as shown in Figure 9, specifically comprises:
Overlay area estimation block 901, be used for according to the first network of Back ground Information memory module 902 storages and the Back ground Information of second network Zhong Ge community, the overlay area of estimating respectively first network and second network Zhong Ge community, Back ground Information comprises positional information, antenna azimuth and the transmitting power of first network and second network Zhong Ge community;
Common level of coverage computing module 903, for each community for first network, according to the overlay area of this community and data acquisition module 904, collect the Timing Advance statistics of Gai community, calculate respectively the common level of coverage value between this community and each coverage cell, each coverage cell is the community that the overlay area of second network Zhong Yugai community exists overlapping region;
Output module 905, for by the coverage cell of the common level of coverage value maximum calculating, with first network Zhong Gai community form the community that covers common region to and output.
Preferably, above-mentioned overlay area estimation block 901, specifically for each community in first network, according to the corresponding relation of the transmitting power of this community and covering radius, determine the covering radius of this community, the antenna position of Bing Jiangyigai community is the center of circle and take covering radius as the formed border circular areas of radius, is estimated as the first overlay area of this community; If there is cobasis Zhan community, Yu Gai community, in cobasis Zhan community, Ze Congyugai community, according to the first pre-conditioned first kind adjacent area of determining this community, and according to antenna azimuth and first overlay area of each adjacent area in this community and first kind adjacent area, obtain the second overlay area of this community; In the cell set at non-cobasis station, Cong Yugai community, according to the second pre-conditioned Equations of The Second Kind adjacent area of determining this community, and according to the transmitting power of each adjacent area in this community and Equations of The Second Kind adjacent area, and the first overlay area or the second overlay area, obtain the overlay area of this community; For each community in second network, according to the estimation mode of each community in first network, obtain successively the overlay area of each community in second network.
Preferably, above-mentioned overlay area estimation block 901, specifically for each community in first network, in cobasis Zhan community, Cong Yugai community, the corresponding community of antenna azimuth of the equal minimum of angle that the antenna azimuth of selection Yu Gai community forms in clockwise and counter clockwise direction, the first kind adjacent area using it as this community.
Preferably, above-mentioned overlay area estimation block 901, is end points specifically for the antenna position of Yi Gai community, and the angular bisector direction of the antenna azimuth angle of each adjacent area in Yan Gai community and first kind adjacent area, determines the first ray and the second ray respectively; By the first ray, the formed sector region of the second ray and the first overlay area, as the second overlay area of this community, sector region is the region of the antenna bearingt ray that angular direction is done that comprises Yan Gai community.
Preferably, above-mentioned overlay area estimation block 901, specifically for each community in first network, calculates respectively distance and covering radius sum between the affiliated base station of each community in the cell set at non-cobasis station, He Yugai community, this community; In the cell set at non-cobasis station, Cong Yugai community, the distance under selection Yu Gai community between base station is less than the community of the covering radius sum of Yu Gai community, and the Equations of The Second Kind adjacent area using it as this community.
Preferably, above-mentioned overlay area estimation block 901, specifically for each community in first network, in Gai community and Equations of The Second Kind adjacent area on the line of the antenna position of each adjacent area, according to the transmitting power of each adjacent area in this community and Equations of The Second Kind adjacent area, calculate respectively the equal point of received signal strength of terminal on each line, and through this point, do the vertical line of this place line; If intersect each vertical line and the first overlay area or the second overlay area, by the region of each vertical line and the first overlay area or the second overlay area aerial position that form and close this community, as the overlay area of this community.
Preferably, above-mentioned common level of coverage computing module 903, the Timing Advance statistics of the first network Zhong Gai community collecting specifically for basis, the overlay area of Jiang Gai community is divided into a plurality of subregions, and calculate the area of every sub regions, every sub regions represents between distance regions corresponding to Timing Advance statistics; According to formula W
iall user's sampling numbers in the overlay area of all user's sampling number/these communities in=every sub regions, calculate the distribution of traffic weight of every sub regions, wherein W
idistribution of traffic weight for every sub regions; Calculate the area of the overlapping region of all subregion in the overlay area of Yu Gai community, overlay area of each coverage cell, and use formula
wherein, C (A
x, B
y) Wei Gai community A
xwith each coverage cell B
ybetween common level of coverage value; Area (S
i, B
y) be each coverage cell B
yyu Gai community, overlay area A
xoverlay area in every sub regions S
ithe area of overlapping region; Area (S
i) Wei Gai community A
xoverlay area in every sub regions S
iarea.
Further, said apparatus can also comprise:
Map presents module 906, for the community that heterogeneous networks covered to common region to map etc. intuitively mode present.
In a kind of definite heterogeneous networks that the embodiment of the present invention provides, cover right method and the device in community of common region, in the method, first can, according to the Back ground Informations such as positional information, antenna azimuth and transmitting power of first network and second network Zhong Ge community, estimate respectively the overlay area of first network and second network Zhong Ge community; Then for each community in first network, can be according to the overlay area of this community and the statisticss such as Timing Advance that collect Gai community, calculate respectively common level of coverage value between this community and each coverage cell (overlay area that coverage cell refers to second network Zhong Yugai community exists the community of overlapping region) here; Finally, by the coverage cell of the common level of coverage value maximum calculating, partner and cover common region community output with first network Zhong Gai community.In embodiments of the present invention, in estimation heterogeneous networks separately during the overlay area of community, that the information such as antenna azimuth according to these communities, transmitting power are estimated, this estimation result is more close to the actual coverage condition of community under heterogeneous networks, so just make the community of covering common region of output to more accurate, facilitate the collaborative operation of community under heterogeneous networks; And during the common level of coverage value under calculating heterogeneous networks between community, the statisticss such as Timing Advance of community have been considered, like this under the common coverage condition comparing between heterogeneous networks Zhong Liangge community, not only just weigh the area that covers common region, also according to statisticss such as Timing Advances, weighed both and covered the service distribution weight of common region, the right traffic aided degree in the community of the covering common region obtaining is thus more close.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (14)
1. the right method in community that covers common region in definite heterogeneous networks, is characterized in that, comprising:
According to the Back ground Information of first network and second network Zhong Ge community, the overlay area of estimating respectively first network and second network Zhong Ge community, described Back ground Information comprises positional information, antenna azimuth and the transmitting power of first network and second network Zhong Ge community;
For each community in first network, according to the overlay area of this community and the Timing Advance statistics that collects Gai community, calculate respectively the common level of coverage value between this community and each coverage cell, each coverage cell is the community that the overlay area of second network Zhong Yugai community exists overlapping region;
By the coverage cell of the common level of coverage value maximum calculating, the community that form to cover common region with first network Zhong Gai community to and output.
2. the method for claim 1, is characterized in that, according to the Back ground Information of first network and second network Zhong Ge community, estimates respectively the overlay area of first network and second network Zhong Ge community, specifically comprises:
For each community in first network, according to the corresponding relation of the transmitting power of this community and covering radius, determine the covering radius of this community, the antenna position of Bing Jiangyigai community is the center of circle and take described covering radius as the formed border circular areas of radius, is estimated as the first overlay area of this community;
If there is cobasis Zhan community, Yu Gai community, in cobasis Zhan community, Ze Congyugai community, according to the first pre-conditioned first kind adjacent area of determining this community, and according to antenna azimuth and described first overlay area of each adjacent area in this community and described first kind adjacent area, obtain the second overlay area of this community;
In the cell set at non-cobasis station, Cong Yugai community, according to the second pre-conditioned Equations of The Second Kind adjacent area of determining this community, and according to the transmitting power of each adjacent area in this community and described Equations of The Second Kind adjacent area, and described the first overlay area or described the second overlay area, obtain the overlay area of this community;
For each community in second network, according to the estimation mode of each community in first network, obtain successively the overlay area of each community in second network.
3. method as claimed in claim 2, is characterized in that, described first pre-conditionedly realizes by following manner:
For each community in first network, in cobasis Zhan community, Cong Yugai community, the corresponding community of antenna azimuth of the equal minimum of angle that the antenna azimuth of selection Yu Gai community forms in clockwise and counter clockwise direction, and the first kind adjacent area using it as this community.
4. method as claimed in claim 3, is characterized in that, according to antenna azimuth and described first overlay area of each adjacent area in this community and described first kind adjacent area, obtains the second overlay area of this community, specifically comprises:
The antenna position of Yi Gai community is end points, and the angular bisector direction of the antenna azimuth angle of each adjacent area in Yan Gai community and first kind adjacent area, determines the first ray and the second ray respectively;
By described the first ray, described the second ray and described the first formed sector region in overlay area, as the second overlay area of this community, described sector region is the region of the antenna bearingt ray that angular direction is done that comprises Yan Gai community.
5. method as claimed in claim 2, is characterized in that, described second pre-conditionedly realizes by following manner:
For each community in first network, calculate respectively distance and covering radius sum between the affiliated base station of each community in the cell set at non-cobasis station, He Yugai community, this community;
In the cell set at non-cobasis station, Cong Yugai community, the distance under selection Yu Gai community between base station is less than the community of the covering radius sum of Yu Gai community, and the Equations of The Second Kind adjacent area using it as this community.
6. method as claimed in claim 5, is characterized in that, according to the transmitting power of each adjacent area in this community and described Equations of The Second Kind adjacent area, and described the first overlay area or described the second overlay area, obtains the overlay area of this community, specifically comprises:
For each community in first network, in Gai community and described Equations of The Second Kind adjacent area on the line of the antenna position of each adjacent area, according to the transmitting power of each adjacent area in this community and described Equations of The Second Kind adjacent area, calculate the equal point of received signal strength of terminal on each line, and through this point, do the vertical line of this place line;
If intersect each vertical line and described the first overlay area or described the second overlay area, by the region of each vertical line and described the first overlay area or described the second overlay area aerial position that form and close this community, as the overlay area of this community.
7. the method as described in any one in claim 1-6, it is characterized in that, for each community in first network, according to the overlay area of this community and the Timing Advance statistics that collects Gai community, calculate respectively the common level of coverage value between this community and each coverage cell, specifically comprise:
According to the Timing Advance statistics of the first network Zhong Gai community collecting, the overlay area of Jiang Gai community is divided into a plurality of subregions, and calculates the area of every sub regions, and every sub regions represents between distance regions corresponding to Timing Advance statistics;
According to formula W
iall user's sampling numbers in the overlay area of all user's sampling number/these communities in=every sub regions, calculate the distribution of traffic weight of every sub regions, wherein W
idistribution of traffic weight for every sub regions;
Calculate the area of the overlapping region of all subregion in the overlay area of Yu Gai community, overlay area of each coverage cell, and use following formula to calculate respectively the common level of coverage value between this community and each coverage cell:
Wherein, C (A
x, B
y) Wei Gai community A
xwith each coverage cell B
ybetween common level of coverage value;
Area (S
i, B
y) be each coverage cell B
yyu Gai community, overlay area A
xoverlay area in every sub regions S
ithe area of overlapping region;
Area (S
i) Wei Gai community A
xoverlay area in every sub regions S
iarea.
8. the right device in community that covers common region in definite heterogeneous networks, is characterized in that, comprising:
Overlay area estimation block, be used for according to the first network of Back ground Information memory module storage and the Back ground Information of second network Zhong Ge community, the overlay area of estimating respectively first network and second network Zhong Ge community, described Back ground Information comprises positional information, antenna azimuth and the transmitting power of first network and second network Zhong Ge community;
Common level of coverage value computing module, for each community for first network, according to the Timing Advance statistics of the overlay area of this community and data collecting module collected Dao Gai community, calculate respectively the common level of coverage value between this community and each coverage cell, each coverage cell is the community that the overlay area of second network Zhong Yugai community exists overlapping region;
Output module, for by the coverage cell of the common level of coverage value maximum calculating, with first network Zhong Gai community form the community that covers common region to and output.
9. device as claimed in claim 8, it is characterized in that, described estimation block, specifically for each community in first network, according to the corresponding relation of the transmitting power of this community and covering radius, determine the covering radius of this community, the antenna position of Bing Jiangyigai community is the center of circle and take described covering radius as the formed border circular areas of radius, is estimated as the first overlay area of this community; If there is cobasis Zhan community, Yu Gai community, in cobasis Zhan community, Ze Congyugai community, according to the first pre-conditioned first kind adjacent area of determining this community, and according to antenna azimuth and described first overlay area of each adjacent area in this community and described first kind adjacent area, obtain the second overlay area of this community; In the cell set at non-cobasis station, Cong Yugai community, according to the second pre-conditioned Equations of The Second Kind adjacent area of determining this community, and according to the transmitting power of each adjacent area in this community and described Equations of The Second Kind adjacent area, and described the first overlay area or described the second overlay area, obtain the overlay area of this community; For each community in second network, according to the estimation mode of each community in first network, obtain successively the overlay area of each community in second network.
10. device as claimed in claim 9, it is characterized in that, described estimation block, specifically for each community in first network, in cobasis Zhan community, Cong Yugai community, the corresponding community of antenna azimuth of the equal minimum of angle that the antenna azimuth of selection Yu Gai community forms in clockwise and counter clockwise direction, and the first kind adjacent area using it as this community.
11. devices as claimed in claim 10, it is characterized in that described estimation block is end points specifically for the antenna position of Yi Gai community, the angular bisector direction of the antenna azimuth angle of each adjacent area in Yan Gai community and first kind adjacent area, determines the first ray and the second ray respectively; By described the first ray, described the second ray and described the first formed sector region in overlay area, as the second overlay area of this community, described sector region is the region of the antenna bearingt ray that angular direction is done that comprises Yan Gai community.
12. devices as claimed in claim 9, it is characterized in that, described estimation block, specifically for each community in first network, calculates respectively distance and covering radius sum between the affiliated base station of each community in the cell set at non-cobasis station, He Yugai community, this community; In the cell set at non-cobasis station, Cong Yugai community, the distance under selection Yu Gai community between base station is less than the community of the covering radius sum of Yu Gai community, and the Equations of The Second Kind adjacent area using it as this community.
13. devices as claimed in claim 12, it is characterized in that, described estimation block, specifically for each community in first network, in Gai community and described Equations of The Second Kind adjacent area on the line of the antenna position of each adjacent area, according to the transmitting power of each adjacent area in this community and described Equations of The Second Kind adjacent area, calculate the equal point of received signal strength of terminal on each line, and the vertical line of this place line of process; If intersect each vertical line and described the first overlay area or described the second overlay area, by the region of each vertical line and described the first overlay area or described the second overlay area aerial position that form and close this community, as the overlay area of this community.
14. devices as described in any one in claim 8-13, it is characterized in that, described common level of coverage computing module, the Timing Advance statistics of the first network Zhong Gai community collecting specifically for basis, the overlay area of Jiang Gai community is divided into a plurality of subregions, and calculate the area of every sub regions, every sub regions represents between distance regions corresponding to Timing Advance statistics; According to formula W
iall user's sampling numbers in the overlay area of all user's sampling number/these communities in=every sub regions, calculate the distribution of traffic weight of every sub regions, wherein W
idistribution of traffic weight for every sub regions; Calculate the area of the overlapping region of all subregion in the overlay area of Yu Gai community, overlay area of each coverage cell, and use formula
wherein, C (A
x, B
y) Wei Gai community A
xwith each coverage cell B
ybetween common level of coverage value; Area (S
i, B
y) be each coverage cell B
yyu Gai community, overlay area A
xoverlay area in every sub regions S
ithe area of overlapping region; Area (S
i) Wei Gai community A
xoverlay area in every sub regions S
iarea.
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