CN106686609B - A kind of method and device of the network capacity extension - Google Patents
A kind of method and device of the network capacity extension Download PDFInfo
- Publication number
- CN106686609B CN106686609B CN201611051280.4A CN201611051280A CN106686609B CN 106686609 B CN106686609 B CN 106686609B CN 201611051280 A CN201611051280 A CN 201611051280A CN 106686609 B CN106686609 B CN 106686609B
- Authority
- CN
- China
- Prior art keywords
- sector
- normal direction
- determined
- existing
- overlapping region
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
Abstract
The invention discloses a kind of method and devices of network capacity extension, it is related to field of communication technology, be able to solve because the network performances for carrying out the covering overlapping regions between two division sectors in LTE network are poor, caused by realize the low problem of network capacity extension availability using sector splitting technique in LTE network.The method comprise the steps that the normal direction of original sector to be determined as to the initial normal direction of existing sector, existing sector includes the first sector and the second sector obtained after original sector divides in the horizontal direction；Determine whether the business information of the covering overlapping region of the first sector and the second sector meets specified requirements；When the business information for covering overlapping region meets specified requirements, according to the business information for specifying region in existing sector coverage area, the adjustment angle of the normal direction of existing sector is determined, and adjust the normal direction of existing sector.The present invention is suitable for expanding the process of network capacity.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method and devices of the network capacity extension.
Background technique
After LTE (English: Long Term Evolution, Chinese: long term evolution) network large scale deployment, user is to net
The demand of network resource is increasing, and the load of network gradually rises, and the network capacity extension becomes inexorable trend.The method master of the network capacity extension
It include: to increase base station number, the deployment of co-sited alien frequencies and co-sited with frequency deployment etc..And the region that can be used for disposing base station is limited leads
Cause partial region that can not create base station, in addition, existing band resource is limited, and the band bandwidth of LTE network is larger, results in
Website dilatation can not be carried out in LTE network in such a way that co-sited alien frequencies is disposed, therefore, co-sited is generallyd use at present and is disposed with frequency
Mode, to expand the capacity of LTE network.
Currently, mainly using fan in 3G (English: 3rd Generation, Chinese: 3rd generation mobile communication technology) network
Area's splitting technique increases the number of cells of single base station, to realize the dilatation of network.It is disturbed due to can be used in 3G network
Code technology come reduce sector divide latter two division sector between co-channel interference, therefore, in 3G network using sector divide skill
Art realizes that the availability of the network capacity extension is higher.
However, the band bandwidth due to LTE network is larger, and in the case where frequency spectrum resource is certain, corresponding number of frequency bands
It is less, can be also just less with frequency point, therefore it is same between two division sectors to reduce that Code scrambling technique is not available in LTE network
Frequency interferes.So, after carrying out sector division in the lte networks, the covering overlapping region between two division sectors can be deposited
In serious co-channel interference, the network performance of covering overlapping region is reduced, causes the call matter of terminal in covering overlapping region
The problems such as business that is poor, can carrying simultaneously is few and speed of download is slow is measured, uses sector to divide skill so as to cause in LTE network
Art realizes that the availability of the network capacity extension is lower.
Summary of the invention
The present invention provides a kind of method and device of network capacity extension, is able to solve because carrying out two division fans in LTE network
The network performance of covering overlapping region between area is poor, caused by realize network using sector splitting technique in LTE network
The low problem of dilatation availability.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
In a first aspect, the present invention provides a kind of method of network capacity extension, this method comprises:
The normal direction of original sector is determined as to the initial normal direction of existing sector, the existing sector includes first
Sector and the second sector, first sector and second sector are to obtain after original sector divides in the horizontal direction
Sector；
Determine whether the business information of the covering overlapping region of first sector and second sector meets specified item
Part, the business information include at least handling capacity and specified services accounting, and the specified requirements is used to determine whether described in adjustment
The normal direction of existing sector；
When the business information of the covering overlapping region meets the specified requirements, according to the existing sector area of coverage
The business information that region is specified in domain, determines the adjustment angle of the normal direction of the existing sector, and adjust the existing fan
The normal direction in area.
Second aspect, the present invention provide a kind of device of network capacity extension, which includes:
Direction determining mould, for the normal direction of original sector to be determined as to the initial normal direction of existing sector, institute
Stating existing sector includes the first sector and the second sector, and first sector and second sector are original sector in water
Square upwards obtained sector after division；
Business judgment module, for determine the first sector in initial normal direction that the direction determining mould determines with
Whether the business information of the covering overlapping region of second sector meets specified requirements, and the business information, which includes at least, handles up
Amount and specified services accounting, the specified requirements are used to determine whether to adjust the normal direction of the existing sector；
Direction adjusts module, for being determined described in the business information satisfaction of covering overlapping region when the business judgment module
When specified requirements, according to the business information for specifying region in the existing sector coverage area, the method for the existing sector is determined
The adjustment angle in line direction, and adjust the normal direction of the existing sector.
The method and device of the network capacity extension provided by the invention, be compared to directly makes in the lte networks in the prior art
After the splitting technique of sector, the covering overlapping region network performance between two division sectors is poor, and the present invention can be according to two
The handling capacity and specified services accounting of covering overlapping region between a division sector, the normal direction of adjustment division sector, from
And reduce the business by co-channel interference.On the one hand, since original sector uses two divisions obtained after the splitting technique of sector
The sum of coverage area of sector is greater than the coverage area of original sector, and therefore, the present invention can be in the coverage area for guaranteeing base station
In the case where constant, the normal direction of sector is divided in adjustment in a certain range.On the other hand, due to only two division sectors
Between covering overlapping region in the business that generates will receive co-channel interference, therefore the present invention is accounted for according to handling capacity and specified services
Than come adjust division sector normal direction, it is adjustable covering overlapping region actual coverage area domain, to reduce as far as possible
It is interfered with brought by frequency business.Therefore, the present invention is able to solve because carrying out the covering between two division sectors in LTE network
The network performance of overlapping region is poor, caused by realize that network capacity extension availability is low using sector splitting technique in LTE network
The problem of.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of method flow diagram of the network capacity extension provided in an embodiment of the present invention；
Fig. 2 is the covering overlapping region schematic diagram in initial normal direction provided in an embodiment of the present invention；
Fig. 3 is the method flow diagram of another network capacity extension provided in an embodiment of the present invention；
Fig. 4 is a kind of apparatus structure schematic diagram of the network capacity extension provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of method of network capacity extension, and this method can be by equipment such as base station, servers
It executes, as shown in Figure 1, this method process specifically includes:
Step 101, the initial normal direction that the normal direction of original sector is determined as to existing sector.
Wherein, existing sector includes the first sector and the second sector, and the first sector and the second sector are original sector in water
Square upwards obtained sector after division.In embodiments of the present invention, original can be made using sectors splitting techniques such as splitting antennas
There is sector to be split into the first sector and the second sector in the horizontal direction.
In order to guarantee that the overlay area of original sector can be covered by existing sector, In using after the splitting technique of sector
The initial normal direction that the normal direction of original sector can be determined as to existing sector when the division of sector is carried out, to use splitting
Antenna is for dividing sector, being exactly former angle replacement splitting antenna.
In view of present invention is generally directed to covering overlapping region network performance it is poor, caused by use in LTE network
Sector splitting technique realizes therefore the low problem of network capacity extension availability in embodiments of the present invention, can be used operator and match
KPI (English: Key Performance Indicator, Chinese: KPI Key Performance Indicator) the acquisition work based on cell level set
The parameters such as handling capacity, the downloading rate of tool acquisition cell, determine whether to carry out dilatation to the cell.Such as: with the moon
For granularity, the handling capacity of cell is acquired within continuous 3 months, if the handling capacity of any month cell has been more than dilatation thresholding,
Determine that the cell is quasi- dilatation cell.Wherein, dilatation thresholding can be arranged by those skilled in the art according to historical experience.
It should be noted that therefore, it is necessary to the terrace resource abundance ability of base station since splitting antenna volume is relatively large
Realize that sector divides using splitting antenna.In practical applications, it is suitable for nothing in such a way that splitting antenna realizes the network capacity extension
Method passes through addition base station but the scene of single station terrace resource more abundance.
Step 102 determines whether the business information of the covering overlapping region of the first sector and the second sector meets specified item
Part.
If the business information of covering overlapping region meets specified requirements, 103 are thened follow the steps；Otherwise, step is executed
104.Wherein, business information includes at least handling capacity and specified services accounting, and specified requirements is used to determine whether to adjust existing fan
The normal direction in area.
It is understood that being needed really before determining whether the business information of covering overlapping region meets specified requirements
Surely the practical coverage area for covering overlapping region, in embodiments of the present invention by existing sector, using base station as the center of circle, initial method
Line direction is symmetry axis, and central angle is that the fan-shaped region of θ is determined as the corresponding covering overlapping region of initial normal direction.Wherein θ
Specific determination process are as follows: the reception level value that the first sector or the second sector are accessed according to terminal determines existing sector first
Midpoint in beginning normal direction；By midpoint and perpendicular on the straight line of initial normal direction, by terminal from
The position of one sector switch to the second sector is determined as the first switching position, and by terminal from the second sector switch to the first sector
Position be determined as the second switching position；By the line and base station and the second toggle bit between base station and the first switching position
Line between setting is determined as covering the boundary line of overlapping region；Determine the angle theta between two boundary lines.
As shown in Fig. 2, can determine the covering crossover region in initial normal direction by the following method in practical applications
Domain: terminal accesses the first sector A1 (or second sector A2) near the B of base station, moves later along initial normal direction N；It determines eventually
The reception level value for holding the first sector A1 (or second sector A2) in moving process, will receive corresponding to the median of level value
Position is determined as midpoint D of the existing sector in initial normal direction；It, will in the case where terminal accesses the first sector A1
Terminal switches along by midpoint D and perpendicular in the moving process of the straight line of initial normal direction N from the first sector A1
It is determined as the first switching position S1 to the position of the second sector A2；In the case where terminal accesses the second sector A2, by terminal edge
By midpoint D and vertically and in the moving process of the straight line of initial normal direction N, from the second sector A2 switching value first
The position of sector A1 is determined as the second switching position S2；By the line and base station B between base station B and the first switching position S1
With the line between the second switching position S2, it is determined as the boundary line L of overlapping region；Determine the angle theta between two boundary lines；
By in existing sector, using base station B as the center of circle, using initial normal direction N as symmetry axis, central angle is that the fan-shaped region of θ is determined as
The corresponding overlapping region of initial normal direction.
In embodiments of the present invention, specified requirements is mainly used for assessing handling capacity and specified services accounting, can be with
The average throughput RF of the corresponding covering overlapping region of the average throughput RA of base station, initial normal direction is determined first, and
The initially specified services accounting Z of the corresponding covering overlapping region of normal direction, specified services accounting is for indicating specified services
Portfolio accounts for the ratio of total traffic.When meeting formula RF > RA, or meet formula C × RA < RF≤RA, and Z >=Th
When, determine that the business information of covering overlapping region meets specified requirements.Wherein, C is the handling capacity factor, and Th is traffic threshold.When
Designated time period (such as: one day) in, when the handling capacity for covering overlapping region is CF and the handling capacity of base station is CA, the covering
The average throughput RF of overlapping region can be expressed as RF=CF/ θ, and the average throughput RA of base station can be expressed as RA=CA/
The unit of 360, RF and RA is MB/ degree.
In view of the data volume of the stream business such as video is larger, when the business of a cell being caused to be mainly stream business, this
The handling capacity of cell has stronger growth trend, and therefore, in embodiments of the present invention, specified services can be the number such as stream business
According to the biggish business of amount.
When meeting formula RF > RA, illustrate the handling capacity of the covering overlapping region in initial normal direction compared to base station
Entire throughput it is horizontal for it is larger, the normal direction of existing sector can be adjusted.
When meeting formula C × RA < RF≤RA, and when Z >=Th, illustrate that main business is stream business, although so just
It is smaller for the handling capacity of covering overlapping region in beginning normal direction is horizontal compared to the entire throughput of base station, but may
A higher level will be reached in the shorter time, it is therefore desirable to limit the minimum value of RF.
It should be noted that can be set to 0.7 according to the industrial practice handling capacity factor, traffic threshold be can be set to
50%, the handling capacity factor and traffic threshold can also be carried out by those skilled in the art according to historical experience and real network situation
Setting, the present invention for the handling capacity factor and traffic threshold setting without limitation.
Step 103, according in existing sector coverage area specify region business information, determine the normal side of existing sector
To adjustment angle, and adjust the normal direction of existing sector.
In embodiments of the present invention, specified region refers in existing sector, the covering crossover region in each candidate's normal direction
Domain.Wherein, candidate normal direction is the normal direction after existing sector is rotated by endpoint of base station.
Step 104, the normal direction that initial normal direction is determined as to existing sector.
The method of the network capacity extension provided in an embodiment of the present invention, be compared to directly makes in the lte networks in the prior art
After the splitting technique of sector, the covering overlapping region network performance between two division sectors is poor, and the present invention can be according to two
The handling capacity and specified services accounting of covering overlapping region between a division sector, the normal direction of adjustment division sector, from
And reduce the business by co-channel interference.On the one hand, since original sector uses two divisions obtained after the splitting technique of sector
The sum of coverage area of sector is greater than the coverage area of original sector, and therefore, the present invention can be in the coverage area for guaranteeing base station
In the case where constant, the normal direction of sector is divided in adjustment in a certain range.On the other hand, due to only two division sectors
Between covering overlapping region in the business that generates will receive co-channel interference, therefore the present invention is accounted for according to handling capacity and specified services
Than come adjust division sector normal direction, it is adjustable covering overlapping region actual coverage area domain, to reduce as far as possible
It is interfered with brought by frequency business.Therefore, the present invention is able to solve because carrying out the covering between two division sectors in LTE network
The network performance of overlapping region is poor, caused by realize that network capacity extension availability is low using sector splitting technique in LTE network
The problem of.
It, can be according to existing fan in an implementation of the embodiment of the present invention in order to reduce the interference that business is subject to
The business information of different zones adjusts the direction of normal in area.Therefore, on the basis of implementation as shown in Figure 1, also
It can be implemented as implementation as shown in Figure 3.Wherein step 103 is according to the business for specifying region in existing sector coverage area
Information, determines the adjustment angle of the normal direction of existing sector, and the normal direction for adjusting existing sector can be implemented as
Step 1031 is to step 1038:
1031, the adjusting step and adjusting range of normal direction are determined.
After being split into two sectors due to original sector, the coverage area of sector accordingly becomes larger, therefore, in a certain range
After the normal direction for adjusting existing sector, it still is able to cover the overlay area of original sector.Such as: the covering of conventional aerial
Range is 120 degree, and after being changed to splitting antenna, the splitting horizontal field angle of the single wave number of antenna is 33 degree, splitting antenna
Coverage area is 132 degree, and in this way in the case where keeping other antenna coverage areas constant, existing sector normal direction can have
12 degree of adjusting range.
It should be noted that adjusting step can be arranged according to the distribution of terminal in original sector coverage area, adjustment step
Long too small will cause adjusts often, and terminal quantity difference is smaller in the overlapping region in each candidate's normal direction, and adjusts step
Long excessive to will cause candidate normal direction less, it is difficult to select suitable normal direction.In practical applications, adjustment can be walked
Length is set as 2 degree.How adjusting step is specifically arranged, the present invention is not construed as limiting.
1032, according to adjusting step, at least two candidate normal directions are determined in adjusting range.
In embodiments of the present invention, initial normal direction is determined as 0 degree of line, at this point it is possible to which general ± p × q degree line determines
For candidate normal direction, wherein p indicates adjusting step, q=1, and 2 ..., k/2, k indicate the number of candidate normal direction, "+"
Expression is rotated counterclockwise on the basis of initial normal direction, and "-" expression is rotated clockwise on the basis of initial normal direction.So that
Sector division is carried out with splitting antenna, adjusting range is 12 degree, and adjusting step p is set as 2 degree, according to initial normal side
To, adjusting range, adjusting step can determine candidate normal direction number k be 3, will be using base station as endpoint, initial normal side
Signified direction is determined as candidate normal direction after to swing ± 2 × q, wherein q=1,2,3.
1033, by existing sector, using base station as the center of circle, candidate normal direction is symmetry axis, and central angle is the fan section of θ
Domain is determined as the corresponding candidate covering overlapping region of candidate normal direction.
1034, the RA of base station, the RF and Z of each candidate covering overlapping region are determined.
1035, determine whether to meet formula Umin≤ C × RA or formula C × RA < Umin≤ RA, andSuch as
Fruit is to then follow the steps 1036；Otherwise, step 1037 is executed.
Wherein, UminThe minimum RF of overlapping region is covered for each candidate,For UminCorresponding candidate covering crossover region
The specified services accounting in domain.
1036, by UminIt is corresponding to adjust the angle the adjustment angle for being determined as the normal direction of existing sector.
1037, the adjustment angle of the corresponding candidate coverage area minimum Z of each candidate coverage area is determined as existing
The adjustment angle of the normal direction of sector.
1038, it according to adjustment angle, by the normal direction of existing sector by initial normal direction, adjusts to current normal side
To.
The method of the network capacity extension provided in an embodiment of the present invention can determine the overlapping region in each candidate normal direction
Handling capacity and specified services accounting, and the normal direction for dividing sector is adjusted according to handling capacity and specified services accounting, in turn
The actual coverage area domain for adjusting overlapping region, to make less business by the influence of co-channel interference.Therefore, the present invention can
Solve because in LTE network carry out two division sectors between covering overlapping regions network performances it is poor, caused by LTE net
The low problem of network capacity extension availability is realized using sector splitting technique in network.
The embodiment of the present invention provides a kind of device 20 of network capacity extension, for executing such as Fig. 1 or method stream shown in Fig. 3
Journey, as shown in figure 4, the device 20 includes:
Direction determining mould 201, for the normal direction of original sector to be determined as to the initial normal direction of existing sector,
Existing sector includes the first sector and the second sector, and the first sector and the second sector are after original sector divides in the horizontal direction
Obtained sector.
Business judgment module 202, for determining the first sector in the determining initial normal direction of direction determining mould 201
Whether meet specified requirements with the business information of the covering overlapping region of the second sector, business information includes at least handling capacity and refers to
Determine business accounting, specified requirements is used to determine whether to adjust the normal direction of existing sector.
Direction adjusts module 203, for determining that the business information satisfaction of covering overlapping region refers to when business judgment module 202
When fixed condition, according to the business information for specifying region in existing sector coverage area, the tune of the normal direction of existing sector is determined
Whole angle, and adjust the normal direction of existing sector.
In an implementation of the embodiment of the present invention, device 20 further includes area determination module 204, for according to end
The reception level value into the first sector or the second sector is terminated, determines midpoint of the existing sector in initial normal direction；
By midpoint and perpendicular on the straight line of initial normal direction, by terminal from the first sector switch to the position of the second sector
It sets and is determined as the first switching position, and terminal is determined as the second toggle bit from the second sector switch to the position of the first sector
It sets；By line and base station between base station and the first switching position and the line between the second switching position, it is determined as covering
The boundary line of overlapping region；Determine the angle theta between two boundary lines；By in existing sector, using base station as the center of circle, initial normal
Direction is symmetry axis, and it is corresponding that the fan-shaped region that central angle is θ is determined as the initial normal direction that direction determining mould 201 determines
Cover overlapping region.
In an implementation of the embodiment of the present invention, business judgment module 202 is specifically used for determining being averaged for base station
The average throughput RF of the corresponding covering overlapping region of handling capacity RA, initial normal direction, and initial normal direction are corresponding
The specified services accounting Z of overlapping region is covered, specified services accounting is for indicating that the portfolio of specified services accounts for total traffic
Ratio；When meeting formula RF > RA, or meet formula C × RA < RF≤RA, and when Z >=Th, determines covering overlapping region
Business information meet specified requirements, wherein C be the handling capacity factor, Th is traffic threshold.
In an implementation of the embodiment of the present invention, direction adjusts module 203 and is specifically used for determining normal direction
Adjusting step and adjusting range；According to adjusting step, at least two candidate normal directions are determined in adjusting range；By existing fan
In area, using base station as the center of circle, candidate normal direction is symmetry axis, and central angle is that the fan-shaped region of θ is determined as candidate normal direction
Corresponding candidate covering overlapping region；Determine the RA of base station, the RF and Z of each candidate covering overlapping region；When meeting formula Umin
When≤C × RA, or meet formula C × RA < Umin≤ RA, andWhen, by UminCorresponding adjustment angle is determined as
The adjustment angle of the normal direction of existing sector, wherein UminThe minimum RF of overlapping region is covered for each candidate,For Umin
The specified services accounting of corresponding candidate covering overlapping region；When being unsatisfactory for formula UminWhen≤C × RA, and be unsatisfactory for formula C ×
RA < Umin≤ RA, andWhen, by the adjusting angle of the corresponding candidate coverage area minimum Z of each candidate coverage area
Degree is determined as the adjustment angle of the normal direction of existing sector；According to adjustment angle, by the normal direction of existing sector by initial
Normal direction is adjusted to current normal direction.
In an implementation of the embodiment of the present invention, direction adjustment module 203 is also used to when covering overlapping region
When business information is unsatisfactory for specified requirements, initial normal direction is determined as to the normal direction of existing sector.
The device of the network capacity extension provided in an embodiment of the present invention, be compared to directly makes in the lte networks in the prior art
After the splitting technique of sector, the covering overlapping region network performance between two division sectors is poor, and the present invention can be according to two
The handling capacity and specified services accounting of covering overlapping region between a division sector, the normal direction of adjustment division sector, from
And reduce the business by co-channel interference.On the one hand, since original sector uses two divisions obtained after the splitting technique of sector
The sum of coverage area of sector is greater than the coverage area of original sector, and therefore, the present invention can be in the coverage area for guaranteeing base station
In the case where constant, the normal direction of sector is divided in adjustment in a certain range.On the other hand, due to only two division sectors
Between covering overlapping region in the business that generates will receive co-channel interference, therefore the present invention is accounted for according to handling capacity and specified services
Than come adjust division sector normal direction, it is adjustable covering overlapping region actual coverage area domain, to reduce as far as possible
It is interfered with brought by frequency business.Therefore, the present invention is able to solve because carrying out the covering between two division sectors in LTE network
The network performance of overlapping region is poor, caused by realize that network capacity extension availability is low using sector splitting technique in LTE network
The problem of.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device reality
For applying example, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to embodiment of the method
Part explanation.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (English: Read-OnlyMemory, referred to as: ROM) or random access memory (English:
Random Access Memory, referred to as: RAM) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (8)
1. a kind of method of the network capacity extension, which is characterized in that the described method includes:
The normal direction of original sector is determined as to the initial normal direction of existing sector, the existing sector includes the first sector
With the second sector, first sector and second sector are the fan obtained after original sector divides in the horizontal direction
Area；
The reception level value that first sector or second sector are accessed according to terminal determines the existing sector described
Midpoint in initial normal direction；By the midpoint and perpendicular on the straight line of the initial normal direction,
The terminal is determined as the first switching position from first sector switch to the position of second sector, and by the end
End is determined as the second switching position from second sector switch to the position of first sector；Base station is cut with described first
The line between line and the base station and second switching position between change place is determined as covering overlapping region
Boundary line；Determine the angle theta between two boundary lines；It is described initial using the base station as the center of circle by the existing sector
Normal direction is symmetry axis, and central angle is that the fan-shaped region of θ is determined as the corresponding covering overlapping region of initial normal direction；
Determine whether the business information of the covering overlapping region of first sector and second sector meets specified requirements, institute
Business information is stated including at least handling capacity and specified services accounting, the specified requirements is used to determine whether to adjust the existing fan
The normal direction in area；
When the business information of the covering overlapping region meets the specified requirements, according in the existing sector coverage area
The business information in specified region, determines the adjustment angle of the normal direction of the existing sector, and adjust the existing sector
Normal direction.
2. the method according to claim 1, wherein determining the covering of first sector and second sector
The step of whether business information of overlapping region meets specified requirements include:
Determine average throughput RA, the corresponding average throughput for covering overlapping region of the initial normal direction of the base station
The specified services accounting Z of RF and the corresponding covering overlapping region of the initial normal direction, the specified services accounting are used for
Indicate that the portfolio of specified services accounts for the ratio of total traffic；
When meeting formula RF > RA, or meet formula C × RA < RF≤RA, and when Z >=Th, determines the covering crossover region
The business information in domain meets the specified requirements, wherein C is the handling capacity factor, and Th is traffic threshold.
3. according to the method described in claim 2, it is characterized in that, according to region is specified in the existing sector coverage area
Business information, determines the adjustment angle of the normal direction of the existing sector, and adjust the normal direction of the existing sector
Step includes:
Determine the adjusting step and adjusting range of the normal direction；
Initial normal direction is determined as 0 degree of line, at this point, general ± p × q degree line is determined as candidate normal direction, wherein p is indicated
The adjusting step, q=1,2 ..., k/2, k indicate that the number of the candidate normal direction, "+" are indicated with the initial normal
It is rotated counterclockwise on the basis of direction, "-" expression is rotated clockwise on the basis of the initial normal direction；
According to the adjusting step, at least two candidate normal directions are determined in the adjusting range；
By in the existing sector, using the base station as the center of circle, candidate's normal direction is symmetry axis, and central angle is the fan of θ
Shape region is determined as the corresponding candidate covering overlapping region of the candidate normal direction；
Determine the RA of the base station, the RF and Z of each candidate covering overlapping region；
When meeting formula UminWhen≤C × RA, or meet formula C × RA < Umin≤ RA, andWhen, by the Umin
It is corresponding to adjust the angle the adjustment angle for being determined as the normal direction of the existing sector, wherein UminIt is handed over for each candidate covering
The minimum RF in folded region,For UminThe specified services accounting of corresponding candidate covering overlapping region；
When being unsatisfactory for formula UminWhen≤C × RA, and it is unsatisfactory for formula C × RA < Umin≤ RA, andWhen, it will be each
The adjustment angle of the corresponding candidate coverage area minimum Z of candidate coverage area is determined as the normal direction of the existing sector
It adjusts the angle；
According to the adjustment angle, by the normal direction of the existing sector by the initial normal direction, adjust to current method
Line direction.
4. the method according to claim 1, which is characterized in that determine first sector in step
After whether meeting specified requirements with the business information of the covering overlapping region of second sector, the method also includes:
When the business information of the covering overlapping region is unsatisfactory for the specified requirements, the initial normal direction is determined as
The normal direction of the existing sector.
5. a kind of device of the network capacity extension, which is characterized in that described device includes:
Direction determining mould, it is described existing for the normal direction of original sector to be determined as to the initial normal direction of existing sector
Having sector includes the first sector and the second sector, and first sector and second sector are original sector in level side
The sector obtained after division upwards；
Area determination module is determined for accessing the reception level value of first sector or second sector according to terminal
Midpoint of the existing sector in the initial normal direction；By the midpoint and perpendicular to described initial
On the straight line of normal direction, the terminal is determined as first to the position of second sector from first sector switch and is cut
Change place, and the terminal is determined as the second switching position from second sector switch to the position of first sector；
By line and the base station between base station and first switching position and the line between second switching position,
It is determined as covering the boundary line of overlapping region；Determine the angle theta between two boundary lines；By in the existing sector, with described
Base station is the center of circle, and the initial normal direction is symmetry axis, and central angle is determined as initial normal direction for the fan-shaped region of θ and corresponds to
Covering overlapping region；
Business judgment module, for determine the first sector in initial normal direction that the direction determining mould determines with it is described
Whether the business information of the covering overlapping region of the second sector meets specified requirements, the business information include at least handling capacity and
Specified services accounting, the specified requirements are used to determine whether to adjust the normal direction of the existing sector；
Direction adjusts module, for determining that it is described specified that the business information of covering overlapping region meets when the business judgment module
When condition, according to the business information for specifying region in the existing sector coverage area, the normal side of the existing sector is determined
To adjustment angle, and adjust the normal direction of the existing sector.
6. device according to claim 5, which is characterized in that the business judgment module is specifically used for determining the base station
Average throughput RA, the average throughput RF of the corresponding covering overlapping region of the initial normal direction and described initial
The specified services accounting Z of the corresponding covering overlapping region of normal direction, the specified services accounting is for indicating specified services
Portfolio accounts for the ratio of total traffic；
When meeting formula RF > RA, or meet formula C × RA < RF≤RA, and when Z >=Th, determines the covering crossover region
The business information in domain meets the specified requirements, wherein C is the handling capacity factor, and Th is traffic threshold.
7. device according to claim 6, which is characterized in that the direction adjustment module is specifically used for determining the normal
The adjusting step and adjusting range in direction；
Initial normal direction is determined as 0 degree of line, at this point, general ± p × q degree line is determined as candidate normal direction, wherein p is indicated
The adjusting step, q=1,2 ..., k/2, k indicate that the number of the candidate normal direction, "+" are indicated with the initial normal
It is rotated counterclockwise on the basis of direction, "-" expression is rotated clockwise on the basis of the initial normal direction；
According to the adjusting step, at least two candidate normal directions are determined in the adjusting range；
By in the existing sector, using the base station as the center of circle, candidate's normal direction is symmetry axis, and central angle is the fan of θ
Shape region is determined as the corresponding candidate covering overlapping region of the candidate normal direction；
Determine the RA of the base station, the RF and Z of each candidate covering overlapping region；
When meeting formula UminWhen≤C × RA, or meet formula C × RA < Umin≤ RA, andWhen, by the Umin
It is corresponding to adjust the angle the adjustment angle for being determined as the normal direction of the existing sector, wherein UminIt is handed over for each candidate covering
The minimum RF in folded region,For UminThe specified services accounting of corresponding candidate covering overlapping region；
When being unsatisfactory for formula UminWhen≤C × RA, and it is unsatisfactory for formula C × RA < Umin≤ RA, andWhen, it will be each
The adjustment angle of the corresponding candidate coverage area minimum Z of candidate coverage area is determined as the normal direction of the existing sector
It adjusts the angle；
According to the adjustment angle, by the normal direction of the existing sector by the initial normal direction, adjust to current method
Line direction.
8. the device according to any one of claim 5 to 7, which is characterized in that the direction adjustment module is also used to
When the business information of the covering overlapping region is unsatisfactory for the specified requirements, the initial normal direction is determined as described
The normal direction of existing sector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051280.4A CN106686609B (en) | 2016-11-23 | 2016-11-23 | A kind of method and device of the network capacity extension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051280.4A CN106686609B (en) | 2016-11-23 | 2016-11-23 | A kind of method and device of the network capacity extension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106686609A CN106686609A (en) | 2017-05-17 |
| CN106686609B true CN106686609B (en) | 2019-11-26 |
Family
ID=58867190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611051280.4A Active CN106686609B (en) | 2016-11-23 | 2016-11-23 | A kind of method and device of the network capacity extension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106686609B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103703809A (en) * | 2013-09-10 | 2014-04-02 | 华为技术有限公司 | Sector configuration method, service switching method, device and base station |
| CN104219673A (en) * | 2013-05-30 | 2014-12-17 | 中国电信股份有限公司 | Network expansion method and system |
| CN104769989A (en) * | 2013-10-22 | 2015-07-08 | 华为技术有限公司 | Antenna splitting method and controller in active antenna system |
| CN106134235A (en) * | 2014-12-01 | 2016-11-16 | Lg电子株式会社 | Method and device for indicating cell schizotype |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9107187B2 (en) * | 2013-09-30 | 2015-08-11 | At&T Mobility Ii Llc | Enhanced self-organizing network switching matrix |
-
2016
- 2016-11-23 CN CN201611051280.4A patent/CN106686609B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219673A (en) * | 2013-05-30 | 2014-12-17 | 中国电信股份有限公司 | Network expansion method and system |
| CN103703809A (en) * | 2013-09-10 | 2014-04-02 | 华为技术有限公司 | Sector configuration method, service switching method, device and base station |
| CN104769989A (en) * | 2013-10-22 | 2015-07-08 | 华为技术有限公司 | Antenna splitting method and controller in active antenna system |
| CN106134235A (en) * | 2014-12-01 | 2016-11-16 | Lg电子株式会社 | Method and device for indicating cell schizotype |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106686609A (en) | 2017-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Lee | Elements of cellular mobile radio systems | |
| CN105794247B (en) | For the method for resource-sharing, network node and storage medium | |
| CN103988526A (en) | System and methods for beam shaping in a self-organizing network (SON) | |
| US9491763B2 (en) | Methods and systems of adjusting antenna electrical tilt | |
| US20110142008A1 (en) | Apparatus and method for performing handover in advanced mobile communication system | |
| US9271189B2 (en) | Method and apparatus for planning radio frequency spectrum in a fixed wireless network | |
| CN106160985B (en) | A kind of configuration method, equipment and the system of carrier wave polymerizable functional | |
| WO2020028089A1 (en) | Sensor and self-learning based dynamic frequency assignment for wireless networks | |
| CN103167507A (en) | Cell splitting method, cell splitting device and base station device | |
| CN106454864A (en) | An antenna covering adjustment deployment method and an ultrawideband multi-mode device | |
| CN106686609B (en) | A kind of method and device of the network capacity extension | |
| CN105744534A (en) | FDD-LTE different-frequency networking method based on frequency migration | |
| CN108271184B (en) | VoLTE service processing method and device | |
| Kuboniwa et al. | A novel cell selection scheme using positioning information for heterogeneous wireless system | |
| CN106792740B (en) | A kind of method and device of the network capacity extension | |
| CN111294811B (en) | Cell capacity expansion method and network equipment | |
| CN106454865A (en) | An antenna covering adjustment deployment method and an ultrawideband multi-mode device | |
| CN113473507B (en) | Cell optimization method, device, storage medium and electronic device | |
| CN106972269B (en) | A kind of control method and device of the antenna of wideband multimode device | |
| CN108934017A (en) | A kind of antenna covering adjustment dispositions method and ultra-wideband multimode device | |
| CN115021796A (en) | Satellite network cell respiration processing method and system | |
| CN117375671A (en) | Near-field beam searching method, device and storage medium | |
| CN112020006B (en) | Antenna adjustment method, device, equipment and computer storage medium | |
| CN107181495A (en) | A kind of method for adjusting Downtilt and base station | |
| CN114554514B (en) | 5G antenna sub-beam configuration method and device based on user distribution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |