CN105744533B - A kind of adjacent area determines method, apparatus and system - Google Patents
A kind of adjacent area determines method, apparatus and system Download PDFInfo
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- CN105744533B CN105744533B CN201410764914.5A CN201410764914A CN105744533B CN 105744533 B CN105744533 B CN 105744533B CN 201410764914 A CN201410764914 A CN 201410764914A CN 105744533 B CN105744533 B CN 105744533B
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Abstract
The present invention relates to a kind of adjacent areas to determine method, apparatus and system, which comprises this base station obtains the neighboring cell list of each cell of different system base-station identical with the physics site of itself；For each of each neighboring cell list cell, when the cell is Chong Die with the signal cover of cell to be configured of this base station, determine that the cell is the adjacent area of the cell to be configured of this base station.Method provided by the invention, whether there is overlapping relation by the cell in determination cell to be configured and neighboring cell list, using the cell with overlapping relation as the member of the different system adjacent cell list of cell to be configured, it can be on the basis of ensuring that the two has geographical location relationship, neighbor cell configuration is advanced optimized, so that neighbor cell configuration is more accurate.So as to guarantee the service quality to mobile terminal when carrying out different systems switching adjacent area.
Description
Technical field
The present invention relates to fields of communication technology more particularly to a kind of adjacent area to determine method, apparatus and system.
Background technique
Neighbor cell configuration is link important in mobile communications network, and the purpose of neighbor cell configuration is guaranteed on cell serves boundary
Mobile station can be switched in time the adjacent area of serving cell, to guarantee the quality of call and the performance of network, therefore adjacent area is matched
Set it is reasonable whether directly influence the performance and quality of network.
It can be cell (the following letter in LTE system in long evolving system (LTE, Long Term Evolution)
Claim LTE cell) it configures in global system for mobile communications (GSM, Global System for Mobile Communications)
Cell (hereinafter referred to as GSM cell) be used as adjacent area, and the GSM neighboring cell list of LTE cell is generated, to guarantee user from LTE
Cell, which is switched in GSM cell, can still be maintained good speech quality.
The conventional method of GSM cell neighboring cell list is configured for LTE cell in the related technology are as follows: when determining in LTE system
When the physics site having the same base station B in base station A and gsm system, the cell to be configured of LTE base station A directly inherits base
Stand B each cell neighboring cell list, using the adjacent area in each neighboring cell list as the member of the neighboring cell list of cell to be configured.
In the method, for each adjacent area C of base station B, when configuring the neighboring cell list of adjacent area C, according to the geographical position of minizone
The relationship of setting has carried out neighbor cell configuration.For example, being set when the spacing between the base station where cell D and the base station where cell C is less than
When set a distance, cell D just can be as the member in the neighboring cell list of cell C.
As it can be seen that in the related technology, when by positional relationship configuring adjacent cell, only consider the distance between homologous ray base station this
Single factor, there is no the positional relationships considered between LTE cell and GSM cell, therefore match in the related technology for LTE cell
The adjacent area the GSM accuracy set is lower.
Summary of the invention
The object of the present invention is to provide a kind of adjacent areas to determine method, apparatus and system, passes through position in the related technology to overcome
When the relationship of setting determines adjacent area, this single factor of the distance between base station where only considering leads to the adjacent area accuracy of configuration
Lower problem.
On the one hand, the present invention provides a kind of adjacent area and determines method, which comprises
This base station obtains the neighboring cell list of each cell of different system base-station identical with the physics site of itself；
For each of each neighboring cell list cell, when the signal of the cell and the cell to be configured of this base station covers
When range is overlapped, determine that the cell is the adjacent area of the cell to be configured of this base station.
On the other hand, the present invention provides a kind of adjacent area determining device, and described device includes:
Module is obtained, the neighbour of each cell of different system base-station identical with the physics site of itself is obtained for this base station
Area's list；
Adjacent area determining module, for for each of each neighboring cell list cell, when the cell and this base station to
When configuring the signal cover overlapping of cell, determine that the cell is the adjacent area of the cell to be configured of this base station.
In another aspect, the present invention, which provides a kind of adjacent area, determines system, the system comprises:
First base station, the adjacent area column of each cell for obtaining different system base-station identical with the physics site of itself
Table；For each of each neighboring cell list cell, when the signal cover of the cell and the cell to be configured of this base station
When overlapping, determine that the cell is the adjacent area of the cell to be configured of this base station.
Second base station, the neighboring cell list of each cell for providing itself for first base station, second base station is institute
State the different system base-station of first base station.
The present invention at least has the advantages that through the neighboring cell list in each cell for obtaining different system base-station
Afterwards, for each cell in the neighboring cell list, will be determined as with cell to be configured with the cell of overlapping relation to be configured small
The member of the different system adjacent cell list in area can advanced optimize neighbour on the basis of ensuring that the two has geographical location relationship
Area's configuration, so that neighbor cell configuration is more accurate.So as to guarantee to mobile whole when carrying out different systems switching adjacent area
The service quality at end.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
Fig. 1 is that adjacent area determines one of exemplary process diagram of method in the embodiment of the present invention；
Fig. 2 is the schematic diagram that adjacent area positional relationship is indicated in the embodiment of the present invention；
Fig. 3 is the two of the exemplary process diagram that adjacent area determines method in the embodiment of the present invention；
Fig. 4 is one of the schematic diagram of adjacent area determining device in the embodiment of the present invention；
Fig. 5 is two of the schematic diagram of adjacent area determining device in the embodiment of the present invention；
Fig. 6 is the schematic diagram that adjacent area determines system in the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is illustrated below in conjunction with attached drawing, it should be understood that embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
The present invention provides a kind of adjacent area and determines method, is applicable in the base station for carrying out different system adjacent cell configuration, especially
Suitable for configuring the cell in gsm system for the cell LTE system as adjacent area.
In the construction of base station, the base station of different system, such as the base station of LTE system and the base station of gsm system are often shared
Physics site (i.e. the geographical location of the base station of the base station and gsm system of LTE system is identical), therefore for sharing physics site
Whether different system base-station in configuring adjacent cell when relationship, can have intersection to close according to two cells respectively from not homologous ray
It is then to be said to determine whether the two cells are adjacent area, such as LTE cell and the shared physics site in base station where GSM cell
Bright LTE cell is identical as the geographical location of GSM cell, then LTE cell can directly inherit the neighboring cell list of GSM cell, so as to
It can continue to keep good speech quality when mobile terminal switches to GSM cell from LTE cell.It should be noted that GSM
GSM cell in system has been contemplated that the geographical location relationship of each minizone when carrying out neighbor cell configuration, this illustrates LTE cell
There is geographical location relationship described in the relevant technologies between the cell in the neighboring cell list of GSM cell.But LTE
The possibility signal cover of cell in cell and neighboring cell list is not overlapped, therefore, such cell in neighboring cell list without
Method meets the requirement of system switching, also not can guarantee speech quality when mobile terminal switches to GSM cell from LTE cell and wants
It asks, therefore such cell and the not applicable different system adjacent cell list member for doing LTE cell.
In configuring method for neighboring area provided by the invention, after the neighboring cell list for obtaining GSM cell, further pass through judgement
Whether LTE cell is be overlapped with the signal cover of the GSM cell in neighboring cell list, and the cell that signal cover is overlapped
The adjacent area of different system as LTE cell more accurately can carry out neighbor cell configuration for LTE cell, mention compared with the prior art
The service quality of high communication system.
Method, which is described in detail, to be determined to the adjacent area in the present invention below by specific embodiment.
Embodiment one
As shown in Figure 1, being the exemplary process diagram that a kind of adjacent area provided in an embodiment of the present invention determines method, this method packet
Include following steps:
Step 101: this base station obtains the adjacent area column of each cell of different system base-station identical with the physics site of itself
Table.
Wherein, in one embodiment, this base station is the base station in LTE system, and different system base-station is, for example, in gsm system
Base station.
Step 102: for each of each neighboring cell list cell, when the cell and the cell to be configured of this base station
When signal cover is overlapped, determine that the cell is the adjacent area of the cell to be configured of this base station.
Wherein, cell to be configured is the cell of the neighboring cell list to be configured in this base station, the e.g. base station in LTE system
Cell.
Wherein, in one embodiment, the cell in the neighboring cell list of the cell of different system base-station and cell to be configured
For positional relationship as shown in Fig. 2, in Fig. 2, black circle A2 indicates this base station, and black circle B1, B2, C2, D3 indicate different system
Base station indicates the direction of the antenna directional angle of cell, A2 point antenna direction using black circle as the line segment that starting point extends out
Angle indicates the antenna directional angle of cell to be configured, and the antenna directional angle of other points indicates the antenna direction of the cell in neighboring cell list
Angle.Specifically, be referred to Fig. 2 for each of each neighboring cell list cell, according to following methods determine the cell with
The signal cover of the cell to be configured of this base station is overlapped:
L in solution formula (1)AAnd LB；
When formula (1) has solution, judge to solve LACoordinate points (the cos α at placeA·LA, cos βA·LA) whether in cell to be configured
Antenna directional angle indicate the direction of propagation on；
If so, determining that the cell is Chong Die with the signal cover of cell to be configured of this base station；
Wherein,
In default equation group, βAIndicate the antenna directional angle of cell to be configured；βBIndicate the day of the cell in neighboring cell list
Line deflection；αAIndicate the angle absolute value of the difference with 90 °；αBIndicate the angle absolute value of the difference with 90 °；LAIndicate signal edge
The distance that the antenna directional angle of cell to be configured is propagated；LBIndicate that the antenna directional angle of cell of the signal in neighboring cell list is propagated
Distance；BxIndicate the x coordinate of different system base-station；ByIndicate the y-coordinate of different system base-station；X indicate using this base station as origin, with
The direction that antenna directional angle is 90 ° is the axis of abscissas of positive direction；Y is indicated using this base station as origin, with antenna directional angle for 0 °
Direction be positive direction axis of ordinates.
Wherein, L is solvedAThe coordinate points at place are that the signal of cell to be configured is propagating LACoordinate points after distance.The coordinate points can
It can be in the opposite direction of the antenna directional angle of cell to be configured, that is, the signal cover of cell to be configured cannot cover the coordinate
Therefore point for such coordinate points, even if above-mentioned equation group has solution, but does not meet actual conditions, i.e., in practice, so yet
Cell still will not with cell signal overlapped coverage to be configured, therefore judge both do not have overlapping relation.
As long as it should be noted that can judge whether the cell in neighboring cell list in practice can be with cell signal to be configured
The method of overlapped coverage is suitable for the embodiment of the present invention, it is not limited to method for solving shown in formula (1), for example,
It can be in two-dimensional Cartesian coordinate system used in formula (1), to establish by indicating that the point of cell to be configured in a coordinate system is (i.e. former
Point), and the first straight line propagated along the antenna directional angle of cell to be configured, and each cell being directed in each neighboring cell list,
It establishes through the point of base station in a coordinate system where indicating the cell, and second along the propagation of the antenna directional angle of the cell is straight
Whether line, solves first straight line and whether second straight line intersects, and according to crosspoint, judge the crosspoint in cell to be configured
In signal cover, if then determining two cell signal overlapped coverages, otherwise, two cell signal coverage areas are not
Overlapping.Further, it is also possible to judge that cell and cell signal to be configured in neighboring cell list cover model by other mathematical methods
It encloses and whether is overlapped, will not repeat them here.
Wherein, in one embodiment, in step 101, the neighboring cell list of each cell of the different system base-station is excellent
Neighboring cell list after change.Specifically, being optimized by neighboring cell list of the different system base-station to itself, then this base station is obtained different
The neighboring cell list of system base-station is the neighboring cell list after optimization.Neighboring cell list after the first optimization is: for the different system
Each cell of base station includes the adjacent area with following characteristics in the neighboring cell list of the cell: belonging to same with different system base-station
The adjacent base station of system and with the level difference value of the cell be less than or equal to the first predetermined level difference (include in neighboring cell list
Lack the cell of neighboring BS relationship).Alternatively, the neighboring cell list after second of optimization is: small for each of the different system base-station
Area does not include the neighbour for being greater than the second predetermined level difference with the absolute value of the level difference value of the cell in the neighboring cell list of the cell
Area's (cell for not including redundancy neighboring BS relationship i.e. in neighboring cell list).Again alternatively, the neighboring cell list after optimization is by both the above
The neighboring cell list of neighboring cell list combination producing after optimization is contained small with missing neighboring BS relationship that is, in the neighboring cell list
Area also deletes the cell of redundancy neighboring BS relationship.
In addition, it should be noted that, after the neighboring cell list after optimization can also be optimized further according to other modes
Neighboring cell list, for example, being directed to each cell A of different system base-station, the corresponding cell for lacking neighboring BS relationship can be with
It is the cell at least one of following characteristics feature:
(1), in cell A homologous ray adjacent base station, not in the neighboring cell list of cell A, and small at a distance from cell A
In equal to first distance.Such as the base station where cell B and the base station homologous ray where cell A, the cell B no longer neighbour of cell A
In area's list, and with the base station where cell B indicated at a distance from the base station where cell A cell B at a distance from cell A, and
The distance is less than or equal to the first pre-determined distance, then cell B can be used as the missing neighboring BS relationship cell of cell A.
(2), with the same base station cell A, and not in the neighboring cell list of cell A.For example, cell C and cell A belong to it is same
Base station, but cell C but not in the neighboring cell list of cell A, then cell C can be used as the missing neighboring BS relationship cell of cell A.
(3), in the Thiessen polygon being made of base station as vertex, belong to unique Thailand comprising base station where cell A
It in gloomy polygon, and is the cell with cell A homologous ray base station.For example, Thiessen polygon of the cell D in base station where cell A
In, and cell D and cell A belong to same system, then cell D can be used as the missing neighboring BS relationship cell of cell A.
In addition, being directed to each cell A of different system base-station, the cell of corresponding redundancy neighboring BS relationship can also be tool
There is the cell of at least one of following characteristics feature:
(1), in the neighboring cell list of cell A, the cell of the second pre-determined distance is greater than at a distance from cell A.Wherein, this second
Pre-determined distance can be identical with the first pre-determined distance, can also be greater than the first pre-determined distance.
(2), in the neighboring cell list of cell A, it is less than or equal to preset times with the switching times of cell A in preset duration
Cell.
More than, by using the neighboring cell list after optimization, it can be improved and configure different system adjacent cell list for cell to be configured
Accuracy.Specifically, cell to be configured can be reduced when filling into missing neighboring BS relationship cell in the neighboring cell list after optimization
Miss-configured neighboring cells, to improve the accuracy of neighbor cell configuration；It, can be with by deleting the redundancy neighboring BS relationship cell in neighboring cell list
It reduces and the step of whether cell be overlapped with cell signal coverage area to be configured is determined, improve the efficiency of neighbor cell configuration.
Wherein, in one embodiment, before step 101, cell to be configured and different system base-station can also be carried out
The frequency point of each cell is verified.The verification work is to be configured by manually spot-check part from each cell to be configured in the prior art
Whether the frequency point of cell and the frequency point of corresponding different system cell are consistent, because artificial verify causes frequency point to verify operating rate
Slowly, the period is long, error-prone, and the mode spot-check easily leads to the cell to be configured of under-enumeration, causes the accuracy verified low.Therefore
This, in the embodiment of the present invention, is realized by self-supervisory mode to the frequency point of each cell to be configured and corresponding different system
The verification of the frequency point of cell.The verification work can be completed by checking system, specifically, being directed to each cell to be configured, and be obtained
Take reference BCCH (the Broadcast Control of each cell of different system base-station corresponding with the cell to be configured
Channel, broadcast control channel), with reference to LAC (location area code, Location Area Code) and refer to CI (community
Identity, cell identification), and obtain each cell of different system base-station corresponding with the cell to be configured practical BCCH,
Practical LAC and practical CI.For each cell of different system base-station corresponding with the cell to be configured, the reference of the cell is compared
LAC is consistent with practical LAC, and with reference under CI and practical CI unanimous circumstances, the reference BCCH of the cell whether with practical BCCH
Unanimously, if it is not, then illustrating the practical BCCH of the cell and not being inconsistent with reference to BCCH, then illustrate the verification go out the cell with it is to be configured small
The frequency point of the cell of the corresponding different system base-station in area is inconsistent.Thus it completes, the frequency point of automation verifies work, reduces frequency point
The manpower consumption of verification improves efficiency and accuracy that frequency point is verified.And after being verified according to frequency point as a result, accurate configuration error
Then the frequency point of cell carries out neighbor cell configuration.
To sum up, in the embodiment of the present invention, pass through the cell signal coverage area in determination cell to be configured and neighboring cell list
Whether it is overlapped, the cell that signal cover is overlapped is determined as to the adjacent area of cell to be configured, there can be ground ensuring the two
On the basis of managing positional relationship, neighboring cell list is advanced optimized, to realize Neighborhood Optimization.Switch adjacent area carrying out different systems
When, it can guarantee the service quality to mobile terminal.
Embodiment two
Using this base station as the LTE base station in LTE system, for different system base-station is the base station GSM in gsm system, to this
Adjacent area determines that method is described in detail in inventive embodiments, as shown in figure 3, method includes the following steps:
Each base station GSM in step 301:GSM system carries out Neighborhood Optimization to the neighboring cell list of each cell of itself, obtains
Neighboring cell list after must optimizing.
Wherein, the neighboring cell list after optimization can be the neighboring cell list after optimization cited in embodiment one, the present invention
Details are not described herein in embodiment.
After the base station step 302:LTE obtains the optimization of each cell of the base station GSM identical with the physics site of itself
Neighboring cell list.
The base station step 303:LTE is directed to each of the neighboring cell list after each optimization cell, judges the cell and oneself
Whether the signal cover of the cell to be configured of body is overlapped, if so, step 304 is executed, if it is not, executing step 305.
Wherein it is possible to whether be overlapped according to the signal cover for two cell of determination enumerated in embodiment one, the present invention
Details are not described herein in embodiment.
The base station step 304:LTE determines that the cell is the adjacent area of cell to be configured.
The base station step 305:LTE determines the cell not and is the adjacent area of cell to be configured.
To sum up, the embodiment of the present invention is realized is optimized by neighboring cell list of the different system base-station to itself, in this base
It when the adjacent area for determining cell to be configured of standing, is configured according to the neighboring cell list after optimization, determines cell to be configured to improve
Adjacent area accuracy, be conducive to carry out neighbor cell configuration, improve the accuracy of neighbor cell configuration.
On the other hand, in the embodiment of the present invention, a kind of adjacent area determining device is also provided, as shown in figure 4, described device packet
It includes:
Module 401 is obtained, each cell of different system base-station identical with the physics site of itself is obtained for this base station
Neighboring cell list；
Adjacent area determining module 402, for being directed to each of each neighboring cell list cell, when the cell and this base station
When the signal cover overlapping of cell to be configured, determine that the cell is the adjacent area of the cell to be configured of this base station.
Wherein, in one embodiment, as shown in figure 5, described device further include:
It is overlapped determining module 403, it is true according to following methods for being used for for each of each neighboring cell list cell
The fixed cell is Chong Die with the signal cover of cell to be configured of this base station:
Solve the L in following formulaAAnd LB；
When following formula has solution, judge to solve LACoordinate points (the cos α at placeA·LA, cos βA·LA) whether to be configured small
On the direction of propagation that the antenna directional angle in area indicates；
If so, determining that the cell is Chong Die with the signal cover of cell to be configured of this base station；
Wherein,
In default equation group, βAIndicate the antenna directional angle of cell to be configured；βBIndicate the day of the cell in neighboring cell list
Line deflection；αAIndicate the angle absolute value of the difference with 90 °；αBIndicate the angle absolute value of the difference with 90 °；LAIndicate signal edge
The distance that the antenna directional angle of cell to be configured is propagated；LBIndicate that the antenna directional angle of cell of the signal in neighboring cell list is propagated
Distance；BxIndicate the x coordinate of different system base-station；ByIndicate the y-coordinate of different system base-station；X indicate using this base station as origin, with
The direction that antenna directional angle is 90 ° is the axis of abscissas of positive direction；Y is indicated using this base station as origin, with antenna directional angle for 0 °
Direction be positive direction axis of ordinates.
Wherein, in one embodiment, it for each cell of the different system base-station, is wrapped in the neighboring cell list of the cell
Containing the adjacent area with following characteristics:
It belongs to the adjacent base station of different system base-station homologous ray and is less than or equal to first in advance with the level difference value of the cell
If level difference value.
Wherein, in one embodiment, for each cell of the different system base-station, in the neighboring cell list of the cell not
Absolute value comprising the level difference value with the cell is greater than the adjacent area of the second predetermined level difference.
In another aspect, the embodiment of the present invention, which also provides a kind of adjacent area, determines system, as shown in fig. 6, the system comprises:
First base station 601, the adjacent area of each cell for obtaining different system base-station identical with the physics site of itself
List；For each of each neighboring cell list cell, when the signal of the cell and the cell to be configured of this base station covers model
When enclosing overlapping, determine that the cell is the adjacent area of the cell to be configured of this base station.
Second base station 602, the neighboring cell list of each cell for providing itself for first base station, second base station is
The different system base-station of the first base station.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (7)
1. a kind of adjacent area determines method, which is characterized in that the described method includes:
This base station obtains the neighboring cell list of each cell of different system base-station identical with the physics site of itself；
For each of each neighboring cell list cell, when the signal cover of the cell and the cell to be configured of this base station
When overlapping, determine that the cell is the adjacent area of the cell to be configured of this base station；
For each of each neighboring cell list cell, the cell to be configured of the cell Yu this base station is determined according to following methods
Signal cover overlapping:
Solve the L in following formulaAAnd LB；
When following formula has solution, judge to solve LACoordinate points (the cos α at placeA·LA, cos βA·LA) whether in cell to be configured
On the direction of propagation that antenna directional angle indicates；
If so, determining that the cell is Chong Die with the signal cover of cell to be configured of this base station；
Wherein,
In default equation group, βAIndicate the antenna directional angle of cell to be configured；βBIndicate the antenna side of the cell in neighboring cell list
To angle；αAIndicate βAWith 90 ° of angle absolute value of the difference；αBIndicate βBWith 90 ° of angle absolute value of the difference；LAIndicate signal along to
Configure the distance that the antenna directional angle of cell is propagated；LBIndicate what the antenna directional angle of cell of the signal in neighboring cell list was propagated
Distance；BxIndicate the x coordinate of different system base-station；ByIndicate the y-coordinate of different system base-station；X is indicated using this base station as origin, with day
The direction that line deflection is 90 ° is the axis of abscissas of positive direction；Y is indicated using this base station as origin, is 0 ° with antenna directional angle
Direction is the axis of ordinates of positive direction.
2. the method according to claim 1, wherein being directed to each cell of the different system base-station, the cell
Neighboring cell list in comprising with following characteristics adjacent area:
It belongs to the adjacent base station of different system base-station homologous ray and is less than or equal to the first default electricity with the level difference value of the cell
Adjusted value.
3. method according to claim 1 or 2, which is characterized in that for each cell of the different system base-station, this is small
The adjacent area for being greater than the second predetermined level difference with the absolute value of the level difference value of the cell is not included in the neighboring cell list in area.
4. a kind of adjacent area determining device, which is characterized in that described device includes:
Module is obtained, the adjacent area column of each cell of different system base-station identical with the physics site of itself are obtained for this base station
Table；
Adjacent area determining module, it is to be configured when the cell and this base station for for each of each neighboring cell list cell
When the signal cover overlapping of cell, determine that the cell is the adjacent area of the cell to be configured of this base station；
Be overlapped determining module, for for each of each neighboring cell list cell, according to following methods determine the cell with
The signal cover of the cell to be configured of this base station is overlapped:
Solve the L in following formulaAAnd LB；
When following formula has solution, judge to solve LACoordinate points (the cos α at placeA·LA, cos βA·LA) whether in cell to be configured
On the direction of propagation that antenna directional angle indicates；
If so, determining that the cell is Chong Die with the signal cover of cell to be configured of this base station；
Wherein,
In default equation group, βAIndicate the antenna directional angle of cell to be configured；βBIndicate the antenna side of the cell in neighboring cell list
To angle；αAIndicate βAWith 90 ° of angle absolute value of the difference；αBIndicate βBWith 90 ° of angle absolute value of the difference；LAIndicate signal along to
Configure the distance that the antenna directional angle of cell is propagated；LBIndicate what the antenna directional angle of cell of the signal in neighboring cell list was propagated
Distance；BxIndicate the x coordinate of different system base-station；ByIndicate the y-coordinate of different system base-station；X is indicated using this base station as origin, with day
The direction that line deflection is 90 ° is the axis of abscissas of positive direction；Y is indicated using this base station as origin, is 0 ° with antenna directional angle
Direction is the axis of ordinates of positive direction.
5. according to the method described in claim 4, it is characterized in that, being directed to each cell of the different system base-station, the cell
Neighboring cell list in comprising with following characteristics adjacent area:
It belongs to the adjacent base station of different system base-station homologous ray and is less than or equal to the first default electricity with the level difference value of the cell
Adjusted value.
6. method according to claim 4 or 5, which is characterized in that for each cell of the different system base-station, this is small
The adjacent area for being greater than the second predetermined level difference with the absolute value of the level difference value of the cell is not included in the neighboring cell list in area.
7. a kind of adjacent area determines system, which is characterized in that the system comprises:
First base station, the neighboring cell list of each cell for obtaining different system base-station identical with the physics site of itself；Needle
To each of each neighboring cell list cell, when the cell is Chong Die with the signal cover of cell to be configured of this base station
When, determine that the cell is the adjacent area of the cell to be configured of this base station；
Second base station, the neighboring cell list of each cell for providing itself for first base station, second base station are described the
The different system base-station of one base station；
For each of each neighboring cell list cell, the cell to be configured of the cell Yu this base station is determined according to following methods
Signal cover overlapping:
Solve the L in following formulaAAnd LB；
When following formula has solution, judge to solve LACoordinate points (the cos α at placeA·LA, cos βA·LA) whether in cell to be configured
On the direction of propagation that antenna directional angle indicates；
If so, determining that the cell is Chong Die with the signal cover of cell to be configured of this base station；
Wherein,
In default equation group, βAIndicate the antenna directional angle of cell to be configured；βBIndicate the antenna side of the cell in neighboring cell list
To angle；αAIndicate βAWith 90 ° of angle absolute value of the difference；αBIndicate βBWith 90 ° of angle absolute value of the difference；LAIndicate signal along to
Configure the distance that the antenna directional angle of cell is propagated；LBIndicate what the antenna directional angle of cell of the signal in neighboring cell list was propagated
Distance；BxIndicate the x coordinate of different system base-station；ByIndicate the y-coordinate of different system base-station；X is indicated using this base station as origin, with day
The direction that line deflection is 90 ° is the axis of abscissas of positive direction；Y is indicated using this base station as origin, is 0 ° with antenna directional angle
Direction is the axis of ordinates of positive direction.
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| CN112584390B (en) * | 2020-11-12 | 2022-08-16 | 福建福诺移动通信技术有限公司 | Method for automatically calculating start-up neighbor cell based on coverage grid overlapping rate |
| CN114374980B (en) * | 2021-12-29 | 2024-05-10 | 中国电信股份有限公司 | Neighbor relation determination method and device, electronic equipment and medium |
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