CN102480739B - Neighboring region optimizing method and neighboring region optimizing device - Google Patents
Neighboring region optimizing method and neighboring region optimizing device Download PDFInfo
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- CN102480739B CN102480739B CN201010560270.XA CN201010560270A CN102480739B CN 102480739 B CN102480739 B CN 102480739B CN 201010560270 A CN201010560270 A CN 201010560270A CN 102480739 B CN102480739 B CN 102480739B
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Abstract
The invention discloses a neighboring region optimizing method and a neighboring region optimizing device, which are used for providing a neighboring region optimizing scheme with rapid speed and high efficiency. The method comprises the following steps that: acquiring an identity of a cell to be optimized, a geological position coordinate of a transmission antenna, a direction angle of the transmission antenna, identities of present neighboring regions of the cell to be optimized, the geological position coordinate of the transmission antenna, a direction angle of the transmission antenna and a cell switching record; determining a topological structure of the cell to be optimized and the present neighboring regions according to the acquired identities, the geological position coordinate of the transmission antenna and the direction angle of the transmission antenna; and determining a preferential neighboring region according to the determined topological structures and an acquired switching record.
Description
Technical field
The present invention relates to mobile communication technology field, relate in particular to a kind of neighbor cell optimizing method and a kind of Neighborhood Optimization device.
Background technology
No matter mobile terminal is in holding state or talking state, all can receive the mark of neighbor cell and the frequency point information of correspondence that current service cell regularly issues, and according to the information measurement neighbor cell BCCH frequency receiving or the intensity of dominant pilot, determine whether to be switched in the better neighbor cell of service quality.For each community, the neighbor cell of this community can be called the adjacent area of this community for short.
Because mobile communications network has networking speed, user's Regional Distribution changes fast, wireless environment variation feature faster, and the restriction of adjacent area number in cell neighbor list, Dui Wei community arranges rational adjacent area, reasonably upgrade adjacent area has higher requirement.Adjacent area arranges unreasonable or adjacent area and leaks to join and can cause occurring in user's moving process that speech quality declines that the consequence of call drop is set.Therefore, carry out termly the means that Neighborhood Optimization (comprise and add the adjacent area that signal quality is good, the adjacent area of pinpointing the problems, cleaning rubbish adjacent area etc.) necessitates.
In existing Neighborhood Optimization scheme, the measurement report of mobile terminal is the important evidence of Neighborhood Optimization.The measurement report of frequency signal strength signal intensity corresponding to each adjacent area of the current service cell that periodically mobile terminal receive reports, current service cell, in addition for lookup service quality is not better and in scope Nei community, existing adjacent area, the signal strength signal intensity of each the available frequency in wider frequency range is measured in Serving cell termly indicating terminal, and receives the measurement report of each mobile terminal reporting.Administrative staff or Optimization Software are on the basis of the measurement report of magnanimity, frequency signal strength signal intensity and other available frequency signal strength signal intensities of the existing each adjacent area by community more to be optimized, filter out the adjacent area of corresponding frequency intensity compare Gao community as community to be optimized.
But in the metering system that the mobile terminal of different model adopts, the measurement report that reports, the form of the type of measurement index, measuring period, measurement report all can there are differences, and affects the accuracy of Neighborhood Optimization thereby the disturbing factor of existence can affect the accuracy of measurement report; In addition, along with the growth of mobile terminal number, carry out Neighborhood Optimization according to measurement report and need to expend the longer processing time, thereby have the problem that treatment effeciency is not high.
In addition, for newly-built community, because this newly-built community is not present in the Neighboring Cell List of other communities, therefore mobile terminal cannot be switched in this newly-built community, thereby cannot obtain mobile terminal measurement report, prior art can only be come, for this newly-built cell configuration adjacent area, equally also to exist adjacent area that the problem that efficiency is not high is set according to the geographical position of this community and the geographical position of other communities by artificial.
Summary of the invention
The embodiment of the present invention provides a kind of neighbor cell optimizing method, in order to a kind of quick, high efficiency Neighborhood Optimization scheme to be provided.
Accordingly, the embodiment of the present invention also provides a kind of Neighborhood Optimization device.
The technical scheme that the embodiment of the present invention provides is as follows:
A kind of neighbor cell optimizing method, comprising: obtain the mark of the each existing adjacent area of deflection and community to be optimized of geographical position coordinates, the transmitting antenna of mark, the transmitting antenna of community to be optimized, the geographical position coordinates of transmitting antenna, deflection and the community of transmitting antenna and switch record; According to the deflection of the geographical position coordinates of the mark of obtaining, transmitting antenna and transmitting antenna, determine the topological structure of community to be optimized and each existing adjacent area; According to the topological structure of determining and the switching record obtaining, determine preferred adjacent area.
A kind of Neighborhood Optimization device, comprise: optimize information acquisition unit, switch record for the mark, the geographical position coordinates of transmitting antenna, deflection and the community of transmitting antenna of the each existing adjacent area of deflection and community to be optimized of geographical position coordinates, transmitting antenna of the mark, the transmitting antenna that obtain community to be optimized; Topological structure determining unit, for the mark, the geographical position coordinates of transmitting antenna and the deflection of transmitting antenna that obtain according to optimization information acquisition unit, determines the topological structure of community to be optimized and each existing adjacent area; Optimize adjacent area determining unit, the switching record obtaining for topological structure and the optimization information acquisition unit determined according to topological structure determining unit, determines preferred adjacent area.
The embodiment of the present invention is preferred by the analysis of the topological relation of community to be optimized and this existing adjacent area, community to be optimized and switching record being carried out to adjacent area, and provide the mode of concrete definite topological structure and determined the mode of preferred adjacent area based on topology, the scheme of this Neighborhood Optimization is without relying on measurement report, can select rapidly preferred adjacent area, thereby improve the efficiency of Neighborhood Optimization.
Brief description of the drawings
Fig. 1 is the main principle flow chart of realizing of the embodiment of the present invention;
Fig. 2 is the flow chart of embodiment of the present invention Neighborhood Optimization process;
Fig. 3 a is the schematic diagram of each existing adjacent area position of transmitting antenna, deflection in the embodiment of the present invention;
Fig. 3 b is the schematic diagram of embodiment of the present invention Zhong Ge community position of transmitting antenna, deflection;
Fig. 4 is the schematic diagram of the first topological structure in the embodiment of the present invention;
Fig. 5 is the schematic diagram of the second topological structure in the embodiment of the present invention;
Fig. 6 is the third flow chart of determining the scheme of preferred adjacent area in the embodiment of the present invention;
Fig. 7 is the third schematic diagram of determining the closed curve of determining in the scheme of preferred adjacent area in the embodiment of the present invention;
The structural representation that Fig. 8 is the Neighborhood Optimization device that provides in the embodiment of the present invention.
Embodiment
The normally measurement report based on mobile terminal of existing Neighborhood Optimization scheme, in view of measurement report has the huge feature of data volume, therefore the Neighborhood Optimization scheme based on measurement report process comparatively complicated, need to expend the long period; In addition, for the newly-built community that newly adds network, owing to cannot obtaining mobile terminal measurement report, therefore conventionally can only, by being manually this newly-built cell configuration adjacent area, therefore there is the problem complicated, efficiency is not high of processing.
The embodiment of the present invention give chapter and verse geographical position and the deflection of transmitting antenna corresponding to community, determine the topological structure between the each existing adjacent area of community to be optimized and this community to be optimized, according to the topological relation of determining, in conjunction with the switching record between community, determine the preferred adjacent area of this community to be optimized.
Below in conjunction with each accompanying drawing, embodiment of the present invention technical scheme main realized to principle, embodiment and the beneficial effect that should be able to reach is explained in detail.
As shown in Figure 1, to realize principle process as follows for the embodiment of the present invention main:
Step 10, obtains the mark of each existing adjacent area of community to be optimized and community to be optimized, geographical position coordinates, deflection and the community switching record of transmitting antenna;
Step 20, according to the geographical position coordinates of the mark of obtaining, transmitting antenna and deflection, determines the topological structure of community to be optimized and each existing adjacent area;
Step 30, according to the topological structure of determining and switching record, determines preferred adjacent area.
Below will be according to foregoing invention principle of the present invention, introduce in detail an embodiment the main principle that realizes of the inventive method is explained in detail and is illustrated.
Accompanying drawing 2 is the flow chart of embodiment of the present invention Neighborhood Optimization process.
Step 201, community to be optimized is a community, from the Neighboring Cell List of a community, community to be optimized, obtain the mark of each existing adjacent area, a community, here suppose the mark that comprises existing 10 adjacent areas in the Neighboring Cell List of a community, be specially the mark of b community, c community, d community, e community, f community, g community, h community, i community, j community, k community;
Step 202, according to the mark of the mark of a community, community to be optimized and existing adjacent area b community～k community, from network side position functions entity, for example, in network topology data, obtain the geographical position coordinates (as latitude and longitude coordinates value) of transmitting antenna (base station, place) of existing adjacent area b community～k community of a community, community to be optimized and a community and the deflection of each community transmitting antenna;
The geographical position coordinates of existing adjacent area b community～k community of a community and a community and the schematic diagram of the deflection of each community transmitting antenna, as shown in accompanying drawing 3a, for brevity, have omitted concrete coordinate figure in accompanying drawing 3a.
Step 203, obtains the switching record between a community, community to be optimized and each existing adjacent area b community～k community;
Preferably, can from network operation administrative center (OMC, Operation & Management Center) statistical indicator, obtain the switching record of minizone.Switch record and show that a community exists normal handoff relation with f community, i community, h community respectively.
Preferably, in order to select preferred adjacent area outside the existing adjacent area scope that can comprise from the Neighboring Cell List of a community, after step 202, can also perform step 204,
Step 204, the geographical location information of the transmitting antenna (base station, place) of existing adjacent area b community～k community of a community, community to be optimized obtaining according to step 202 and a community, determines the border rectangle of region, place, each community;
Be specially and determine the minimum value of longitude and minimum value and the maximum of maximum and a community and geographical position, b community～k community middle latitude in a community and geographical position, b community～k community, and determine border rectangle according to the maximum of longitude and latitude and minimum value.
Step 205 is obtained mark and the geographical location information of other communities except a community～k community in the border rectangular extent of determining in step 204 from network side position functions entity;
Please refer to shown in accompanying drawing 3b, other communities also comprise x1 community, x2 community, x3 community, x4 community, Hex6 community, x5 community, wherein the transmitting antenna of x4 community, Hex6 community, x5 community is positioned on same base station, the transmitting antenna of the transmitting antenna of x3 community and f community, g community is positioned on same base station, and the transmitting antenna of Hex2 community, x1 community and the transmitting antenna of e community are positioned on same base station.
Step 206, the mark of the community obtaining according to step 202, step 203 and step 205, the geographical location information of transmitting antenna and deflection, determine the topological structure of other communities in a community, community to be optimized, each existing adjacent area and border rectangular extent;
Here illustrate with two kinds of topological structures:
The first topological structure: taking the geographical position at transmitting antenna place, a community, community to be optimized as the origin of coordinates, taking horizontal direction as directional reference, obtain four quadrants according to predefined procedure, using the quadrant at this transmitting antenna deflection place, community to be optimized as prime coverage area territory, the 2nd quadrant as shown in shade in accompanying drawing 4 is prime coverage area territory; For each existing adjacent area, b community～k community, taking this transmitting antenna place, existing adjacent area geographical position as the origin of coordinates, taking horizontal direction as directional reference, obtain four quadrants according to described predefined procedure, determine the quadrant at this transmitting antenna deflection place, existing district; For brevity, in accompanying drawing 4, only drawn the 2nd quadrant at transmitting antenna deflection place, f community.In the present embodiment, illustrate taking predetermined reference direction as horizontal direction, reference direction can be also any direction.
The second topological structure: be summit using the geographical position at transmitting antenna place, a community, community to be optimized, differ the definite region of 30 degree angles as prime coverage area territory with this community to be optimized transmitting antenna deflection; For each existing adjacent area, according to the geographical position coordinates of this existing adjacent area transmitting antenna, determine that the geographical position of this existing adjacent area transmitting antenna is whether in prime coverage area territory, as shown in Figure 5.
Step 207, the topological structure of determining according to step 206 and the preferred adjacent area of switching the definite community a of record;
Step 208, the preferred adjacent area of determining according to step 207, upgrades the Neighboring Cell List of a community, community to be optimized.Due to the Limited Number of the cell ID comprising in Neighboring Cell List, before the mark of preferred adjacent area is added to Neighboring Cell List, first from existing Neighboring Cell List, delete an existing adjacent area, concrete deletion scheme has a variety of, for example, in the time adopting the storage of linked list Neighboring Cell List of first-in first-out, in the time that the mark of preferred adjacent area is added to the stem of chained list, by an existing adjacent area mark that deletes chained list bottom; Or in Neighboring Cell List, store each existing adjacent area and identify the switching times between corresponding Yu Gaidai preferable cell, adjacent area, before the mark of preferred adjacent area is added to Neighboring Cell List, the switching times corresponding according to each mark, the mark of deleting the minimum adjacent area of switching times, the update scheme of Neighboring Cell List here repeats no more.
In above-mentioned steps 207, in the present embodiment, specifically provide three kinds of modes of determining preferred adjacent area according to topological structure:
1, determine the community dorsad in prime coverage area territory, corresponding transmitting antenna and the transmitting antenna of community are dorsad positioned to other communities on same base station as preferred adjacent area;
2, determine the existing adjacent area farthest on prime coverage area territory, using described in the distance in prime coverage area territory and between corresponding transmitting antenna and the transmitting antenna of community to be optimized is less than farthest the community of the geographical position of existing adjacent area transmitting antenna and the geographical position distance of community to be optimized transmitting antenna as preferred adjacent area;
3, according to existing adjacent area geographical position coordinates, determine the closed curve farthest in geographical position that surrounds this community to be optimized transmitting antenna, using the geographical position of transmitting antenna in described closed curve Zhong community as preferred adjacent area.
Below in conjunction with two kinds of concrete topological structures in step 206, the detailed process of determining preferred adjacent area is described:
Under the first topological structure, the first determines that the mode of preferred adjacent area is: using the geographical position of transmitting antenna in prime coverage area territory and the consistent existing adjacent area of the sequence identification of the sequence identification of the quadrant at the transmitting antenna deflection place quadrant corresponding with prime coverage area territory as community dorsad; In the time that community and community to be optimized exist normal handoff relation dorsad, inconsistent other communities of sequence identification of sequence identification corresponding quadrant with prime coverage area territory that transmitting antenna and the transmitting antenna of community are dorsad positioned on same geographical position to the quadrant at (be transmitting antenna with the transmitting antenna of community dorsad on same base station location), transmitting antenna deflection place are as preferred adjacent area.For example in accompanying drawing 5 because f community is in prime coverage area territory, and the deflection of f community is at the 2nd quadrant, and prime coverage area territory is also the 2nd quadrant, therefore f community is the community dorsad of a community; Because f community and a community exist normal handoff relation, therefore the transmitting antenna of transmitting antenna and f community is positioned to the Hex3 community, g community of same base station as the preferred adjacent area of a community.
Under the first topological structure, the second determines that the mode of preferred adjacent area is:
Determine in prime coverage area territory the corresponding geographical position of transmitting antenna and the geographical position of community to be optimized transmitting antenna apart from having the existing adjacent area farthest of normal handoff relation farthest and with community to be optimized; Described in the geographical position of transmitting antenna is less than in prime coverage area territory and with the geographical position distance of community to be optimized transmitting antenna farthest the community of the geographical position of existing adjacent area transmitting antenna and the geographical position distance of community to be optimized transmitting antenna as preferred adjacent area.Existing in the f community, i community, h community of normal handoff relation with a community, in prime coverage area territory, the geographical position of the geographical position of i community transmitting antenna and a community transmitting antenna distance farthest, using i community as existing adjacent area farthest, in prime coverage area territory, between i community and a community, also have f community, g community, h community and e community, using f community, g community, h community and e community be as the preferred adjacent area of a community.
Preferably, the preferable cell of a community also comprises not in a cell neighbor list Zhong x8 community, x3 community, Hex2 community, x1 community.
Under the first topological structure, the third determine preferred adjacent area mode detailed process as shown in Figure 6:
Step 601, taking the geographical position at transmitting antenna place, community to be optimized as summit, marks off at least three sub regions by whole zone sequence in turn with the angle that is less than 360 degree;
Because at least three end points of needs just can be determined a closed curve, therefore need whole region to mark off at least three sub regions, in order to improve the accuracy of the subregion of determining, whole region can be marked off to subregion as much as possible, for example 6 sub regions, 12 sub regions etc.Dividing when subregion, while division at every turn angle used can be fix, also can change.
Step 602, for every sub regions, determines the existing adjacent area farthest that has normal handoff relation in this subregion with this community to be optimized;
Step 603, taking the geographical position of the transmitting antenna of existing adjacent area farthest in all subregion as end points connects in turn, forms the closed curve in the geographical position that surrounds this community to be optimized transmitting antenna;
Step 604, using the geographical position of transmitting antenna in described closed curve Zhong community as preferred adjacent area.
Please refer to shown in accompanying drawing 7, in the present embodiment taking the geographical position at transmitting antenna place, community to be optimized as summit, with the angle of predetermined number of degrees with respect, for example with the angle of 60 degree, whole zone sequence is marked off to 6 sub regions, existing adjacent area farthest in every sub regions is as adding as shown in black circle in accompanying drawing 7, be that the closed curve that end points is connected to form in turn (does not have existing adjacent area farthest) as shown in the overstriking curve in accompanying drawing 7 in one of them subregion by the geographical position of the transmitting antenna of existing adjacent area farthest in 6 sub regions, by other communities (comprising existing adjacent area and non-existing adjacent area) that add in bold curve, for example h community, g community, e community is as the preferred adjacent area of a community.
Preferably, the preferable cell of a community also comprises not in a cell neighbor list Zhong x1 community～x6 community.
Under the second topological structure, the first determines that the mode of preferred adjacent area is: using the geographical position of transmitting antenna in prime coverage area territory and the existing adjacent area of the angle of the deflection of the transmitting antenna of transmitting antenna deflection and community to be optimized in predetermined number of degrees with respect as community dorsad; In the time that there is normal handoff relation in community and community to be optimized dorsad, by transmitting antenna and the transmitting antenna of community be dorsad positioned on same geographical position, the angle of the deflection of the transmitting antenna of transmitting antenna deflection and community to be optimized exceedes predetermined number of degrees with respect, for example 30Du community is as preferred adjacent area.Please refer to shown in accompanying drawing 5, i community exists the angle of deflection of the transmitting antenna deflection of normal handoff relation and i community and the transmitting antenna of community to be optimized in 30 degree in prime coverage area territory and with a community, using i community as community dorsad, using with i community on same geographical position, the angle of the deflection of the transmitting antenna of transmitting antenna deflection and a community exceedes 30Du community h as preferred adjacent area.Preferably, the preferable cell of a community also comprises that the transmitting antenna of the transmitting antenna in a cell neighbor list and i community is not positioned at Shang x8 community, same geographical position.
Under the second topological structure, the second determines that the mode of preferred adjacent area is: determine in prime coverage area territory the corresponding geographical position of transmitting antenna and the geographical position of community to be optimized transmitting antenna apart from having the existing adjacent area farthest of normal handoff relation farthest and with community to be optimized; Described in the geographical position of transmitting antenna is less than in prime coverage area territory and with the geographical position distance of community to be optimized transmitting antenna farthest the community of the geographical position of existing adjacent area transmitting antenna and the geographical position distance of community to be optimized transmitting antenna as preferred adjacent area.
Under the second topological structure, the third determines that the detailed process of mode of preferred adjacent area and accompanying drawing 6 and accompanying drawing 7 are similar, here repeats no more.
It is preferred that the embodiment of the present invention is carried out adjacent area by the analysis of the topological relation to community to be optimized and this existing adjacent area, community to be optimized, and provide the mode of concrete definite topological structure, and determine the mode of preferred adjacent area based on topology, the scheme of this Neighborhood Optimization is without relying on measurement report, in existing adjacent area (preferably, also be included in other communities in the rectangle of border, existing adjacent area) geographical position coordinates of transmitting antenna, switch on the basis of record deflection and community, can select rapidly preferred adjacent area, thereby improve the efficiency of Neighborhood Optimization, can be used as the additional project of existing Neighborhood Optimization scheme.
The Neighborhood Optimization scheme that the embodiment of the present invention provides can combine with the scheme of human configuration adjacent area, is newly-built cell configuration adjacent area.For example, manually according to the geographical position coordinates of the geographical position coordinates of newly-built community transmitting antenna and other existing community transmitting antennas, for newly-built community arranges an adjacent area, an existing adjacent area is manually set in the Neighboring Cell List of newly-built community, then the Neighborhood Optimization scheme providing according to the embodiment of the present invention can increase according to this existing adjacent area other adjacent area, has greatly improved Neighborhood Optimization efficiency.
The Neighborhood Optimization scheme that the embodiment of the present invention provides is applicable to various mobile communication system, comprises gsm communication system, cdma communication system, CDMA2000 communication system, WCDMA communication system and TD-SCDMA communication system etc.
Correspondingly, the embodiment of the present invention also provides a kind of Neighborhood Optimization device, and as shown in Figure 8, this device comprises to be optimized information acquisition unit 801, topological structure determining unit 802 and optimizes adjacent area determining unit 803, specific as follows:
Optimize information acquisition unit 801, switch record for the mark, the geographical position coordinates of transmitting antenna, deflection and the community of transmitting antenna of the each existing adjacent area of deflection and community to be optimized of geographical position coordinates, transmitting antenna of the mark, the transmitting antenna that obtain community to be optimized;
Topological structure determining unit 802, for the mark, the geographical position coordinates of transmitting antenna and the deflection of transmitting antenna that obtain according to optimization information acquisition unit 801, determines the topological structure of community to be optimized and each existing adjacent area;
Optimize adjacent area determining unit 803, the switching record obtaining for topological structure and the optimization information acquisition unit 801 determined according to topological structure determining unit 802, determines preferred adjacent area.
Preferably, the optimization information acquisition unit 801 in accompanying drawing 8 is obtained the mark of this each existing adjacent area, community to be optimized from the Neighboring Cell List of described community to be optimized; In this case, Neighborhood Optimization device in accompanying drawing 8 also comprises adjacent-area list renewing unit 804, the mark that is used for the preferred adjacent area that optimization adjacent area determining unit 803 is determined adds the Neighboring Cell List of described community to be optimized, upgrades the Neighboring Cell List of described community to be optimized.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method is can carry out the hardware that instruction is relevant by program to complete, this program can be stored in a computer read/write memory medium, as: ROM/RAM, magnetic disc, CD etc.
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 these amendments of the present invention and within 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 (12)
1. a neighbor cell optimizing method, is characterized in that, comprising:
Obtain the mark of the each existing adjacent area of deflection and community to be optimized of geographical position coordinates, the transmitting antenna of mark, the transmitting antenna of community to be optimized, the geographical position coordinates of transmitting antenna, deflection and the community of transmitting antenna and switch record;
According to the deflection of the geographical position coordinates of the mark of obtaining, transmitting antenna and transmitting antenna, determine the topological structure of community to be optimized and each existing adjacent area;
According to the topological structure of determining and the switching record obtaining, determine preferred adjacent area.
2. the method for claim 1, is characterized in that, according to the deflection of the geographical position coordinates of the mark of obtaining, transmitting antenna and transmitting antenna, determines the topological structure of community to be optimized and each existing adjacent area, specifically comprises:
As the origin of coordinates, taking predetermined direction as directional reference, obtain four quadrants according to predefined procedure, using the quadrant at this transmitting antenna deflection place, community to be optimized as prime coverage area territory taking the geographical position at this transmitting antenna place, community to be optimized;
For each existing adjacent area, as the origin of coordinates, taking described predetermined direction as directional reference, obtain four quadrants according to described predefined procedure taking the geographical position at this transmitting antenna place, existing adjacent area, determine the quadrant at this transmitting antenna deflection place, existing adjacent area.
3. method as claimed in claim 2, is characterized in that, determines preferred adjacent area according to the topological structure of determining and switching record, specifically comprises:
Using the geographical position of transmitting antenna in prime coverage area territory and the consistent existing adjacent area of the sequence identification of the sequence identification of the quadrant at the transmitting antenna deflection place quadrant corresponding with prime coverage area territory as community dorsad;
In the time that there is normal handoff relation in community and community to be optimized dorsad, using transmitting antenna be positioned on same geographical position with the transmitting antenna of community dorsad, inconsistent other communities of sequence identification of sequence identification corresponding quadrant with prime coverage area territory of the quadrant at transmitting antenna deflection place are as preferred adjacent area.
4. method as claimed in claim 2, is characterized in that, determines preferred adjacent area according to the topological structure of determining and switching record, specifically comprises:
Determine in prime coverage area territory the corresponding geographical position of transmitting antenna and the geographical position of community to be optimized transmitting antenna apart from having the existing adjacent area farthest of normal handoff relation farthest and with community to be optimized;
Described in the geographical position of transmitting antenna is less than in prime coverage area territory and with the geographical position distance of community to be optimized transmitting antenna farthest the community of the geographical position of existing adjacent area transmitting antenna and the geographical position distance of community to be optimized transmitting antenna as preferred adjacent area.
5. method as claimed in claim 1 or 2, is characterized in that, determines preferred adjacent area according to the topology diagram of determining and switching record, specifically comprises:
With the angle that is less than 360 degree, the geographical position taking this transmitting antenna place, community to be optimized is carried out to order as the region of the origin of coordinates and divide, mark off at least three sub regions;
For every sub regions, determine the existing adjacent area farthest that has normal handoff relation in this subregion with this community to be optimized;
Taking the geographical position of the transmitting antenna of existing adjacent area farthest in all subregion as end points connects in turn, form the closed curve in the geographical position that surrounds this community to be optimized transmitting antenna;
Using the geographical position of transmitting antenna in described closed curve Zhong community as preferred adjacent area.
6. the method for claim 1, is characterized in that, according to the deflection of the geographical position coordinates of the mark of obtaining, transmitting antenna and transmitting antenna, determines the topological structure of community to be optimized and each existing adjacent area, specifically comprises:
Be summit using the geographical position at this transmitting antenna place, community to be optimized, with the definite region of the angle of this community to be optimized transmitting antenna deflection in the first predetermined angular as prime coverage area territory;
For each existing adjacent area, according to the geographical position coordinates of this existing adjacent area transmitting antenna, determine that the geographical position of this existing adjacent area transmitting antenna is whether in prime coverage area territory.
7. method as claimed in claim 2, is characterized in that, determines preferred adjacent area according to the topological structure of determining and switching record, specifically comprises:
Using the geographical position of transmitting antenna in prime coverage area territory and the existing adjacent area of the angle of the deflection of the transmitting antenna of transmitting antenna deflection and community to be optimized in the second predetermined number of degrees with respect as community dorsad;
In the time that there is normal handoff relation in community and community to be optimized dorsad, using the community that transmitting antenna and the transmitting antenna of community are dorsad positioned on same geographical position, the angle of the deflection of the transmitting antenna of transmitting antenna deflection and community to be optimized exceedes the second predetermined number of degrees with respect as preferred adjacent area.
8. method as claimed in claim 2, is characterized in that, determines preferred adjacent area according to the topological structure of determining and switching record, specifically comprises:
Determine in prime coverage area territory the corresponding geographical position of transmitting antenna and the geographical position of community to be optimized transmitting antenna apart from having the existing adjacent area farthest of normal handoff relation farthest and with community to be optimized;
Described in the geographical position of transmitting antenna is less than in prime coverage area territory and with the geographical position distance of community to be optimized transmitting antenna farthest the community of the geographical position of existing adjacent area transmitting antenna and the geographical position distance of community to be optimized transmitting antenna as preferred adjacent area.
9. the method as described in claim 1,2,3,4,6,7 or 8, is characterized in that, obtains the mark of this each existing adjacent area, community to be optimized from the Neighboring Cell List of described community to be optimized.
10. method as claimed in claim 9, is characterized in that, determines behind preferred adjacent area, also comprises:
The mark of the preferred adjacent area of determining is added in the Neighboring Cell List of described community to be optimized, upgrade the Neighboring Cell List of described community to be optimized.
11. 1 kinds of Neighborhood Optimization devices, is characterized in that, comprising:
Optimize information acquisition unit, switch record for the mark, the geographical position coordinates of transmitting antenna, deflection and the community of transmitting antenna of the each existing adjacent area of deflection and community to be optimized of geographical position coordinates, transmitting antenna of the mark, the transmitting antenna that obtain community to be optimized;
Topological structure determining unit, for the mark, the geographical position coordinates of transmitting antenna and the deflection of transmitting antenna that obtain according to optimization information acquisition unit, determines the topological structure of community to be optimized and each existing adjacent area;
Optimize adjacent area determining unit, the switching record obtaining for topological structure and the optimization information acquisition unit determined according to topological structure determining unit, determines preferred adjacent area.
12. devices as claimed in claim 11, is characterized in that, also comprise adjacent-area list renewing unit, wherein:
Described optimization information acquisition unit is obtained the mark of this each existing adjacent area, community to be optimized from the Neighboring Cell List of described community to be optimized;
Described adjacent-area list renewing unit, for the mark of optimizing the preferred adjacent area that adjacent area determining unit determines being added to the Neighboring Cell List of described community to be optimized, upgrades the Neighboring Cell List of described community to be optimized.
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| CN103052099B (en) * | 2012-12-11 | 2015-07-08 | 北京拓明科技有限公司 | Identification method for community backward coverage |
| CN103929751B (en) * | 2013-01-11 | 2017-05-03 | 中国移动通信集团上海有限公司 | Method and device for determining pair of cells located in different networks and covering same area |
| CN104219693B (en) * | 2013-05-30 | 2017-12-05 | 中国电信股份有限公司 | Network optimized approach, device and base station based on base station parameter |
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| US7620402B2 (en) * | 2004-07-09 | 2009-11-17 | Itis Uk Limited | System and method for geographically locating a mobile device |
| CN101287284B (en) * | 2007-04-13 | 2012-04-18 | 中兴通讯股份有限公司 | Method for apparatus to join wireless transmission network |
| CN101867981B (en) * | 2009-04-17 | 2015-01-28 | 中兴通讯股份有限公司 | Network topology information sending and acquiring method |
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| US20150011198A1 (en) * | 2013-07-02 | 2015-01-08 | Eden Rock Communications, Llc | Antenna tilt optimization in a wireless communications network |
| US9473957B2 (en) * | 2013-07-02 | 2016-10-18 | Nokia Solutions And Networks Oy | Antenna tilt optimization in a wireless communications network |
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