CN105517000B - A kind of method and device of cell splitting - Google Patents
A kind of method and device of cell splitting Download PDFInfo
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- CN105517000B CN105517000B CN201510834167.2A CN201510834167A CN105517000B CN 105517000 B CN105517000 B CN 105517000B CN 201510834167 A CN201510834167 A CN 201510834167A CN 105517000 B CN105517000 B CN 105517000B
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 230000032823 cell division Effects 0.000 claims abstract description 51
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000004891 communication Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 description 27
- 238000007689 inspection Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- 230000000750 progressive effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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Classifications
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- 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
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/12—Fixed resource partitioning
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- 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
- H04W16/24—Cell structures
- H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The embodiment of the invention discloses a kind of method and devices of cell splitting, are related to field of communication technology, can reduce the maintenance cost in network planning process of construction.The method of the embodiment of the present invention includes: to obtain the path loss parameter and line loss threshold that all RRU carry out data transmission in target terminal and logic district respectively, and logic district is made of all RRU；According to path loss parameter and line loss threshold, determine the belonging relation of target terminal Yu all RRU, and determining that alternative cell divides scheme according to belonging relation, alternative cell division scheme is used to for logic district to be divided into the new logic cell combination specified in alternative cell division scheme；User's ratio of each alternative cell division scheme is obtained, user's ratio is the ratio of the number of users of two new logic cells；According to user's ratio, logic district is split into meet the specified new logic cell combination of preset condition.The present invention is suitable for a kind of communications network system.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method and devices of cell splitting.
Background technique
With the development of communication technology, especially cell combining technology is universal, realizes uplink due to that can pass through
Data merge to improve reception gain.Therefore, in network planning process of construction, usually by multiple independent logic district RRU
(Remote Radio Unit, remote radio unit (RRU)) is connected to same BBU (Building Baseband Unit, indoor base simultaneously
Tape handling unit), a new logic district is constituted, to expand the area of cell, to reduce the switching times of user, in turn
Reduce the call drop probability of user.
Currently, reducing original more parts of local resources to a cell since multiple RRU are connected to same BBU simultaneously and providing
Therefore in order to increase local resource, communication efficiency is improved, can confirm user's by the method for artificial site inspection in source
Distribution situation later divides new logic district according to the distribution situation of user.But using the above method to new
Logic district is divided, and it is necessary to have the network optimization personnel of practical experience to count, divide to the distribution situation of user
Analysis, considerably increases the maintenance cost in network planning process of construction.
Summary of the invention
The embodiment of the present invention provides a kind of method and device of cell splitting, can reduce in network planning process of construction
Maintenance cost.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
In a first aspect, the embodiment of the present invention provides a kind of method of cell splitting, which comprises
The path loss that all remote radio unit (RRU) RRU carry out data transmission in target terminal and logic district is obtained respectively to join
Several and line loss threshold, the logic district are made of all RRU；
According to the path loss parameter and the line loss threshold, the affiliated pass of the target terminal Yu all RRU is determined
System, and determine that alternative cell divides scheme according to the belonging relation, the alternative cell division scheme is used for the logic
Cell is divided into the new logic cell combination specified in the alternative cell division scheme；
User's ratio of each alternative cell division scheme is obtained, user's ratio is described two new logic cells
The ratio of number of users；
According to user's ratio, the logic district is split into meet the specified new logic cell group of preset condition
It closes.
Second aspect, the embodiment of the present invention provide a kind of device of cell splitting, and described device includes:
Module is obtained, carries out data for obtaining all remote radio unit (RRU) RRU in target terminal and logic district respectively
The path loss parameter and line loss threshold of transmission, the logic district are made of all RRU；
Determining module, for determining the target terminal and the institute according to the path loss parameter and the line loss threshold
There is the belonging relation of RRU, and determine that alternative cell divides scheme according to the belonging relation, the alternative cell division scheme is used
In the logic district is divided into the alternative cell division scheme specify new logic cell combination；
The acquisition module, is also used to obtain user's ratio of each alternative cell division scheme, and user's ratio is
The ratio of the number of users of described two new logic cells；
Module is divided, for the logic district being split into meet the specified of preset condition according to user's ratio
New logic cell combination.
A kind of method and device of cell splitting provided in an embodiment of the present invention, according to the target terminal obtained respectively with patrol
The path loss parameter and line loss threshold that all RRU carry out data transmission in cell are collected, determines the institute of target terminal Yu all RRU
Category relationship, and determine that alternative cell divides scheme according to belonging relation, the user of each alternative cell division scheme is obtained later
Ratio, and according to user's ratio, logic district is split into meet the specified new logic cell combination of preset condition.Wherein,
Alternative cell division scheme is used to for logic district to be divided into the new logic cell combination specified in alternative cell division scheme, uses
Family ratio is the ratio of the number of users of two new logic cells.It is compared in the prior art through the side of artificial site inspection
Method confirms the distribution situation of user, is divided later according to the distribution situation of user to new logic district, the present invention can
With according to determining the belonging relation of terminal and RRU by obtaining path loss parameter and line loss threshold, and determine alternative cell division
Scheme determines according to user's ratio of acquisition later logic district being divided into new logic cell combination, and it is big to avoid consuming
Amount human and material resources determine the distribution situation of user and subsequent are divided according to the distribution situation of user to logic district.
Therefore, it can reduce the maintenance cost in network planning process of construction.
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 concrete application scene schematic diagram provided in an embodiment of the present invention；
Fig. 2 is a kind of method flow diagram of cell splitting provided in an embodiment of the present invention；
Fig. 3 is the method flow diagram of another cell splitting provided in an embodiment of the present invention；
Fig. 4 is the method flow diagram of another cell splitting provided in an embodiment of the present invention；
Fig. 5 is the method flow diagram of another cell splitting provided in an embodiment of the present invention；
Fig. 6 is a kind of apparatus structure schematic diagram of cell splitting 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 is suitable for a kind of communications network system, and BBU, at least is provided in the communications network system
Two RRU and server/network equipment.Wherein, server or the network equipment can be used for executing the method for following cell splittings
Whether process needs to carry out cell splitting specifically for decision logic cell, and when needing to be implemented cell splitting, determines unique
New logic cell combination, and to logic district carry out cell splitting.As shown in Figure 1, being provided with RRU1 in communications network system
To RRUn, server/network equipment and BBU, wherein n is positive integer.
The embodiment of the present invention provides a kind of method of cell splitting, as shown in Fig. 2, this method can be by server or network
Equipment executes, this method comprises:
101, the path loss parameter that all RRU carry out data transmission in target terminal and logic district, Yi Jilu are obtained respectively
Damage thresholding.
Wherein, logic district is made of all RRU.
In embodiments of the present invention, path loss parameter is the parameter that terminal is reported to network side；Line loss threshold can be by working
Personnel preset according to the actual path loss situation of terminal, and the specific value of line loss threshold is not made in embodiments of the present invention
It is specific to limit, it can usually be set to 5dB (decibel).
102, according to path loss parameter and line loss threshold, the belonging relation of target terminal Yu all RRU is determined, and according to affiliated
Relationship determines that alternative cell divides scheme.
Wherein, alternative cell division scheme be used for by logic district be divided into alternative cell division scheme specify newly patrol
Collect cell combination.
103, user's ratio of each alternative cell division scheme is obtained.
Wherein, user's ratio is the ratio of the number of users of two new logic cells.
Through the above steps 101 and step 102 method, available at least one alternative cell divides scheme.When standby
Select cell splitting scheme be at least two when, in order to determine a final cell splitting scheme, need from fixed multiple
An optimal cell splitting scheme is filtered out in alternative cell division scheme.Since number of users influences whether the resource of cell
Therefore utilization rate in embodiments of the present invention, can determine final cell splitting scheme by determining user's ratio.Such as:
It includes two that alternative cell, which divides scheme, wherein alternative cell division scheme 1 is that logic district is divided into cell 1 and cell
2, alternative cell division scheme 2 is that logic district is divided into cell 3 and cell 4.User's ratio of alternative cell division scheme 1
For the ratio of the number of users of cell 1 and cell 2, user's ratio that alternative cell divides scheme 2 is the use of cell 3 and cell 4
The ratio of amount amount.It should be noted that in embodiments of the present invention, for convenience more different alternative cells division scheme it
Between the ratio relation of number of users therefore can be in the ratio mistake for the number of users for calculating different alternative cells division schemes
Cheng Zhong, uniform requirement ratio are greater than or equal to 1, or less than 1.
In embodiments of the present invention, since target terminal used by a user may be respectively belonging to alternative cell division side
Therefore two new logic cells in case during calculating user's ratio, belong to two new logic cells to reduce
User can only be divided in two new logic cells by user to bring interference is calculated according to the most short principle of geographic distance
One of them, wherein geographic distance is user institute the distance between using terminal and RRU.Namely calculating user's ratio
When, all users in logic district are only capable of belonging to a new logic cell respectively.
104, according to user's ratio, logic district is split into meet the specified new logic cell combination of preset condition.
The method of a kind of cell splitting provided in an embodiment of the present invention, according to the target terminal and logic district obtained respectively
In all RRU the path loss parameter and line loss threshold that carry out data transmission, determine the belonging relation of target terminal Yu all RRU,
And determine that alternative cell divides scheme according to belonging relation, user's ratio of each alternative cell division scheme is obtained later, and
According to user's ratio, logic district is split into meet the specified new logic cell combination of preset condition.Wherein, alternative cell
Division scheme is used to for logic district to be divided into the new logic cell combination specified in alternative cell division scheme, and user's ratio is
The ratio of the number of users of two new logic cells.It is compared to and is confirmed in the prior art by the method for artificial site inspection
The distribution situation of user later divides new logic district according to the distribution situation of user, and the present invention can be according to logical
The belonging relation for obtaining path loss parameter and line loss threshold to determine terminal and RRU is crossed, and determines that alternative cell divides scheme, later
It is determined according to user's ratio of acquisition and logic district is divided into new logic cell combination, avoided and expend a large amount of manpowers, object
Power determines the distribution situation of user and subsequent is divided according to the distribution situation of user to logic district.Therefore, can
Reduce the maintenance cost in network planning process of construction.
In order to reduce the resource utilization of the higher logic district of resource utilization, to provide better clothes for user
Business, in an implementation of the embodiment of the present invention, only when logic district resource utilization be greater than resource utilization thresholding,
And in logic district, when the movement speed more than the user of number of users thresholding is greater than movement speed thresholding, just consider whether
Execute the cell splitting of logic district.And hence it is also possible to be embodied as implementation as shown in Figure 3:
105, the resource utilization of logic district is obtained.
106, when resource utilization is greater than resource utilization thresholding, the mobile speed of all terminals in logic district is obtained
Degree.
107, when movement speed is greater than the number of users of movement speed thresholding, is less than number of users thresholding, step is executed
The path loss parameter and line loss threshold that all RRU carry out data transmission in target terminal and logic district are obtained respectively.
Resource utilization due to improving cell is the final purpose of cell splitting, it can be small by obtaining logic
The resource utilization in area determines whether the logic district needs to carry out cell splitting.It under normal conditions, is by resource utilization
Logic district greater than 75% is as the cell that may need to carry out cell splitting.Later in order to ensure in execution logic district
After cell splitting, frequent switching will not be caused to user most of in logic district, therefore, it is also desirable to meet in resource utilization
When can carry out the condition of cell splitting, the movement speed of all terminals in logic district is obtained, and when less than a certain number of ends
When the movement speed at end is greater than preset movement speed thresholding, just consider to carry out cell splitting to the logic district.Usual situation
Under, number of users thresholding can be set to the 40% of total number of users amount.
In embodiments of the present invention, when the resource utilization of logic district is less than or equal to resource utilization thresholding, or
Person, when movement speed is greater than movement speed to the resource utilization of logic district greater than resource utilization thresholding, and in logic district
When the number of users of thresholding is greater than or equal to number of users thresholding, it is determined that logic district does not need to carry out cell splitting.
A kind of method of cell splitting provided in an embodiment of the present invention, when resource utilization be greater than resource utilization thresholding,
And movement speed is greater than the number of users of movement speed thresholding in logic district, when being less than number of users thresholding, according to obtaining respectively
The path loss parameter and line loss threshold that all RRU carry out data transmission in the target terminal taken and logic district determine target end
The belonging relation at end and all RRU, and determine that alternative cell divides scheme according to belonging relation, each alternative cell is obtained later
User's ratio of division scheme, and according to user's ratio, logic district is split into meet the specified new logic of preset condition
Cell combination.Wherein, alternative cell division scheme be used for by logic district be divided into alternative cell division scheme specify it is new
Logic district combination, user's ratio are the ratio of the number of users of two new logic cells.It is compared to and passes through in the prior art
The method of artificial site inspection confirms the distribution situation of user, later according to the distribution situation of user to new logic district into
Line splitting, the present invention can by way of screening, only when logic district resource utilization be greater than resource utilization thresholding, and
In logic district, when the movement speed less than the user of number of users thresholding is greater than movement speed thresholding, just consider whether to hold
The cell splitting of row logic district.It is determined belonging to terminal and RRU according to by obtaining path loss parameter and line loss threshold later
Relationship, and determine that alternative cell divides scheme, it is determined for be divided into logic district later according to user's ratio of acquisition and newly be patrolled
Cell combination is collected, the distribution situation and the subsequent distribution according to user for expending a large amount of human and material resources to determine user are avoided
Situation divides logic district.Therefore, it can reduce the maintenance cost in network planning process of construction.
It can in an implementation of the embodiment of the present invention in order to which alternative cell division scheme is determined more accurately
To pass through the belonging relation generated between target terminal and all RRU, to determine highest RRU pairs of RRU centering correlation, and
Minimum RRU pairs of correlation, and according to identified RRU to determining that alternative cell divides scheme.Therefore, as shown in Figure 2
Implementation on the basis of, be also implemented as implementation as shown in Figure 4, wherein step 102 according to path loss parameter and
Line loss threshold, determines the belonging relation of target terminal Yu all RRU, and determines that alternative cell divides scheme according to belonging relation,
Step 1021 can be implemented as to step 1024:
1021, it determines and sends the terminal that path loss parameter is less than line loss threshold in target terminal, belong in all RRU and receive road
The RRU that parameter is less than line loss threshold is damaged, and generates belonging relation.
In embodiments of the present invention, when the path loss parameter that terminal is sent to RRU is less than preset 5dB, then it is assumed that the end
End belongs to the RRU, and establishes the belonging relation of the terminal Yu the RRU.It should be noted that same terminal can belong to it is multiple
RRU。
1022, according to belonging relation, RRU pairs is determined.
Wherein, RRU is to the RRU formed including two RRU with correlation to the RRU groups for not having correlation with two
At RRU pairs.
Such as: it include 4 RRU, respectively RRU1, RRU2, RRU3 and RRU4 in logic district.As shown in Table 1, when depositing
RRU1 is belonged to simultaneously in a target terminal and when RRU2, then the number that is counted of position of RRU1 row, RRU2 column in Table 1
Amount plus 1；When belonging to RRU2, RRU3 and RRU4 simultaneously there are another target terminal, then RRU2 row, RRU3 are arranged in Table 1
Position, the position of RRU2 row, RRU4 column, RRU3 row, RRU4 column the quantity that is counted of position add 1.It should be noted that working as
When target terminal only belongs to 1 RRU, then during judging RRU correlation, do not need the target terminal being included in quantity
Statistic processes in.
Table one
| RRU1 | RRU2 | RRU3 | RRU4 | |
| RRU1 | — | +1 | ||
| RRU2 | — | — | +1 | +1 |
| RRU3 | — | — | — | +1 |
| RRU4 | — | — | — | — |
As shown in Table 1, RRU1 and RRU2, RRU2 and RRU3, RRU2 and RRU4 and RRU3 and RRU4 are that have correlation
Property.
1023, determine the first RRU of RRU centering to and the 2nd RRU pairs.
Wherein, the first RRU is to being highest RRU pairs of RRU centering correlation, the 2nd RRU to for RRU centering correlation it is minimum
RRU pairs.
By step 1022, the correlation between RRU1, RRU2, RRU3 and RRU4 can be shown in table two.Wherein,
The correlation that the correlation that the correlation of RRU1 and RRU2 is 3, RRU1 and RRU3 is 1, RRU1 and RRU4 is 0, RRU2 and RRU3
Correlation be 5, RRU2 and RRU4 correlation be 0, RRU3 and RRU4 correlation be 2.Namely correlation be 5 RRU
To for RRU2 and RRU3, for the RRU that correlation is 3 to for RRU1 and RRU2, the RRU that correlation is 2 is related to for RRU3 and RRU4
The RRU that property is 1 is to for RRU1 and RRU3, and the RRU that correlation is 0 is to for RRU1 and RRU4 and RRU2 and RRU4, such as three institute of table
Show.
Table two
| RRU1 | RRU2 | RRU3 | RRU4 | |
| RRU1 | — | 3 | 1 | 0 |
| RRU2 | — | — | 5 | 0 |
| RRU3 | — | — | — | 2 |
| RRU4 | — | — | — | — |
Table three
| Serial number | Correlation | RRU pairs |
| 1 | 5 | RRU2 and RRU3 |
| 2 | 3 | RRU1 and RRU2 |
| 3 | 2 | RRU3 and RRU4 |
| 4 | 1 | RRU1 and RRU3 |
| 5 | 0 | RRU1 and RRU4, RRU2 and RRU4 |
Wherein, the first RRU is to the RRU2 and RRU3 for being 5 for correlation, the 2nd RRU to the RRU1 for being 0 for correlation with
RRU4, RRU2 and RRU4.
1024, according to the first RRU to and the 2nd RRU pairs, determine that alternative cell divides scheme.
Such as: logic district includes RRU1 to RRU5, wherein RRU1 is as shown in Table 3 to the correlation between RRU5.It is right
The mode that logic district is divided, as shown in Table 4.
Table four
| Serial number | New logic cell 1 | New logic cell 2 |
| 1 | RRU1 | RRU2、RRU3、RRU4、RRU5 |
| 2 | RRU2 | RRU1、RRU3、RRU4、RRU5 |
| 3 | RRU3 | RRU1、RRU2、RRU4、RRU5 |
| 4 | RRU4 | RRU1、RRU2、RRU3、RRU5 |
| 5 | RRU5 | RRU1、RRU2、RRU3、RRU4 |
| 6 | RRU1、RRU2 | RRU3、RRU4、RRU5 |
| 7 | RRU1、RRU3 | RRU2、RRU4、RRU5 |
| 8 | RRU1、RRU4 | RRU2、RRU3、RRU5 |
| 9 | RRU1、RRU5 | RRU2、RRU3、RRU4 |
| 10 | RRU2、RRU3 | RRU1、RRU4、RRU5 |
| 11 | RRU2、RRU4 | RRU1、RRU3、RRU5 |
| 12 | RRU2、RRU5 | RRU1、RRU2、RRU4 |
| 13 | RRU3、RRU4 | RRU1、RRU2、RRU5 |
| 14 | RRU3、RRU5 | RRU1、RRU2、RRU4 |
| 15 | RRU4、RRU5 | RRU1、RRU2、RRU3 |
After dividing to logic district, the switching frequency of increase user as few as possible ensures simultaneously
The resource utilization of two new logic cells is more balanced, therefore, the RRU with highest correlation can be divided in same patrol
Cell is collected, that is, the RRU2 and RRU3 that correlation is 5 are divided in same logic district, that is, 1,4,5,8,9 and of serial number
15 these types of division schemes.Also, in all division schemes, it is small the RRU of minimum correlation can be divided in same logic
The division scheme in area is rejected, that is, the these types of division scheme of serial number 1,5,8 and 9 is foreclosed, to obtain serial number 4 and sequence
Numbers 15 both division schemes, and determine that both division schemes are that alternative cell divides scheme.
The method of a kind of cell splitting provided in an embodiment of the present invention, according to the target terminal and logic district obtained respectively
In all RRU the path loss parameter and line loss threshold that carry out data transmission, generate belonging relation, and determine RRU pairs, and according to
RRU pairs of RRU centering correlation the highest first and minimum the 2nd RRU pairs of RRU centering correlation, to determine alternative cell
Division scheme obtains user's ratio of each alternative cell division scheme later, and according to user's ratio, logic district is divided
For the specified new logic cell combination for meeting preset condition.Wherein, alternative cell division scheme is for dividing logic district
For the new logic cell combination specified in alternative cell division scheme, user's ratio is the number of users of two new logic cells
Ratio.Be compared to the distribution situation for confirming user by the method for artificial site inspection in the prior art, later according to
The distribution situation at family divides new logic district, the present invention can according to by obtain path loss parameter and line loss threshold come
It determines terminal and the belonging relation of RRU, and determines that alternative cell divides scheme, Zhi Hougen according to RRU pairs of correlation size
It is determined according to user's ratio of acquisition and logic district is divided into new logic cell combination, avoided and expend a large amount of human and material resources
To determine the distribution situation of user and subsequent be divided according to the distribution situation of user to logic district.Therefore, it can drop
Maintenance cost in low network planning process of construction.
Determine that unique alternative cell divides scheme from alternative cell division scheme in order to more accurately, in the present invention
In one implementation of embodiment, user's ratio is the positive number less than or equal to 1, can be from the user's ratio for meeting preset condition
In value, determine that alternative cell corresponding to the maximum user's ratio of numerical value divides scheme, and divide scheme pair according to alternative cell
Logic district is divided.Therefore, on the basis of implementation as shown in Figure 2, it is also implemented as reality as shown in Figure 5
Existing mode, wherein for step 104 according to user's ratio, the specified new logic for being split into meeting preset condition for logic district is small
District's groups are closed, and can be implemented as step 1041 and step 1042:
1041, maximum user's ratio in all user's ratios is determined.
1042, scheme is divided according to the corresponding alternative cell of maximum user's ratio, logic district is split into specified new
Logic district combination.
By step 1021 to step 1024, serial number 4 and both alternative cells of serial number 15 division scheme are filtered out, later
Obtain user's ratio of the two alternative cells division scheme respectively by step 103.It should be noted that when the two are alternative
When preset condition is not satisfied in user's ratio of cell splitting scheme, that is, when user's ratio is not within the scope of pre-set interval,
It then determines in alternative cell division scheme without suitable cell splitting scheme, cell splitting is not carried out to logic district；When this
When only one in user's ratio of two alternative cell division schemes meets preset condition, then meet user's ratio of preset condition
It is worth corresponding alternative cell division scheme and is confirmed as final cell splitting scheme, and according to final cell splitting scheme to logic
Cell is divided；When user's ratio of the two alternative cells division scheme is all satisfied preset condition, then from two users
The biggish user's ratio of numerical value is found in ratio, and the corresponding alternative cell of the biggish user's ratio of numerical value is divided into scheme quilt later
It is determined as final cell splitting scheme, and logic district is divided according to final cell splitting scheme.Implement in the present invention
In example, since user's ratio is the positive number less than or equal to 1, pre-set interval range can be determined as [3/7,1], be needed
It is noted that the value of pre-set interval upper and lower limit is not especially limited in embodiments of the present invention, it can be by staff
It is preset based on experience value.
The method of a kind of cell splitting provided in an embodiment of the present invention, according to the target terminal and logic district obtained respectively
In all RRU the path loss parameter and line loss threshold that carry out data transmission, determine the belonging relation of target terminal Yu all RRU,
And determine that alternative cell divides scheme according to belonging relation, user's ratio of each alternative cell division scheme is obtained later, and
According to user's ratio, determines and divide scheme according to the corresponding alternative cell of maximum user's ratio in all user's ratios, will patrol
Collecting cell splitting is specified new logic cell combination.Wherein, alternative cell division scheme is standby for logic district to be divided into
The new logic cell combination specified in cell splitting scheme is selected, user's ratio is the ratio of the number of users of two new logic cells
Value.It is compared to the distribution situation for confirming user by the method for artificial site inspection in the prior art, later according to user
Distribution situation new logic district is divided, the present invention can according to by obtain path loss parameter and line loss threshold come it is true
Determine terminal and the belonging relation of RRU, and determine that alternative cell divides scheme, determined later according to user's ratio of acquisition according to
The corresponding alternative cell of maximum user's ratio in all user's ratios divides scheme, and logic district is split into specified newly patrolling
Cell combination is collected, the distribution situation and the subsequent distribution according to user for expending a large amount of human and material resources to determine user are avoided
Situation divides logic district.Therefore, in the case where determination unique new logic cell combination, network rule be can reduce
Draw the maintenance cost in process of construction.
The embodiment of the present invention provides a kind of device 20 of cell splitting, as shown in fig. 6, the device 20 includes:
Module 21 is obtained, is counted for obtaining target terminal respectively with remote radio unit (RRU) RRU all in logic district
According to the path loss parameter and line loss threshold of transmission, logic district is made of all RRU.
Determining module 22, for determining the affiliated pass of target terminal Yu all RRU according to path loss parameter and line loss threshold
System, and determine that alternative cell divides scheme according to belonging relation, alternative cell division scheme is standby for logic district to be divided into
Select the new logic cell combination specified in cell splitting scheme.
Module 21 is obtained, is also used to obtain user's ratio of each alternative cell division scheme, user's ratio is two new
The ratio of the number of users of logic district.
Module 23 is divided, for according to user's ratio, is split into the logic district to meet the specified of preset condition and newly patrol
Collect cell combination.
In an implementation of the embodiment of the present invention, module 21 is obtained, is also used to obtain the resource benefit of logic district
With rate；
Module 21 is obtained, is also used to obtain in logic district and own when resource utilization is greater than resource utilization thresholding
The movement speed of terminal；
Module 21 is obtained, is also used to be greater than the number of users of movement speed thresholding when movement speed, is less than number of users door
In limited time, it executes step and obtains the path loss parameter that all RRU carry out data transmission in target terminal and logic district, Yi Jilu respectively
Damage thresholding.
In an implementation of the embodiment of the present invention, determining module 22 is sent specifically for determining in target terminal
Path loss parameter is less than the terminal of line loss threshold, belongs in all RRU and receives the RRU that path loss parameter is less than line loss threshold, and generates
Belonging relation；
According to belonging relation, determine RRU pairs, RRU to include the RRU that forms of two RRU with correlation to two
RRU pairs of RRU composition without correlation；
Determine the first RRU of RRU centering to and the 2nd RRU pairs, the first RRU is to for the highest RRU of RRU centering correlation
Right, the 2nd RRU is to for minimum RRU pairs of RRU centering correlation；
According to the first RRU to and the 2nd RRU pairs, determine that alternative cell divides scheme.
In an implementation of the embodiment of the present invention, user's ratio is the positive number less than or equal to 1, divides module
23, specifically for maximum user's ratio in all user's ratios of determination；
Scheme is divided according to the corresponding alternative cell of maximum user's ratio, it is small that logic district is split into specified new logic
District's groups are closed.
The device of a kind of cell splitting provided in an embodiment of the present invention, according to the target terminal and logic district obtained respectively
In all RRU the path loss parameter and line loss threshold that carry out data transmission, determine the belonging relation of target terminal Yu all RRU,
And determine that alternative cell divides scheme according to belonging relation, user's ratio of each alternative cell division scheme is obtained later, and
According to user's ratio, logic district is split into meet the specified new logic cell combination of preset condition.Wherein, alternative cell
Division scheme is used to for logic district to be divided into the new logic cell combination specified in alternative cell division scheme, and user's ratio is
The ratio of the number of users of two new logic cells.It is compared to and is confirmed in the prior art by the method for artificial site inspection
The distribution situation of user later divides new logic district according to the distribution situation of user, and the present invention can be according to logical
The belonging relation for obtaining path loss parameter and line loss threshold to determine terminal and RRU is crossed, and determines that alternative cell divides scheme, later
It is determined according to user's ratio of acquisition and logic district is divided into new logic cell combination, avoided and expend a large amount of manpowers, object
Power determines the distribution situation of user and subsequent is divided according to the distribution situation of user to logic district.Therefore, can
Reduce the maintenance cost in network planning process of construction.
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 (Read-Only Memory, ROM) or random access memory (Random Access
Memory, 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 cell splitting, which is characterized in that the described method includes:
The path loss parameter that all remote radio unit (RRU) RRU carry out data transmission in target terminal and logic district is obtained respectively, with
And line loss threshold, the logic district are made of all RRU；
According to the path loss parameter and the line loss threshold, the belonging relation of the target terminal Yu all RRU is determined, and
Determine that alternative cell divides scheme according to the belonging relation, the alternative cell division scheme is used to draw the logic district
It is divided into the new logic cell combination specified in the alternative cell division scheme；
User's ratio of each alternative cell division scheme is obtained, user's ratio is the user of described two new logic cells
The ratio of quantity；
According to user's ratio, the logic district is split into meet the specified new logic cell combination of preset condition.
2. the method according to claim 1, wherein obtaining institute in target terminal and logic district respectively described
Before the path loss parameter and line loss threshold that there is RRU to carry out data transmission, comprising:
Obtain the resource utilization of the logic district；
When the resource utilization is greater than resource utilization thresholding, the mobile speed of all terminals in the logic district is obtained
Degree；
When movement speed is greater than the number of users of movement speed thresholding, is less than number of users thresholding, execution is described to be obtained respectively
The step of all RRU carry out data transmission in target terminal and logic district path loss parameter and line loss threshold.
3. the method according to claim 1, wherein described according to the path loss parameter and the line loss threshold,
It determines the belonging relation of the target terminal Yu all RRU, and alternative cell division side is determined according to the belonging relation
Case, comprising:
It determines and sends the terminal that the path loss parameter is less than the line loss threshold in the target terminal, belong to all RRU
The middle RRU for receiving the path loss parameter and being less than the line loss threshold, and generate the belonging relation；
According to the belonging relation, determine RRU pairs, the RRU to include the RRU that forms of two RRU with correlation to
RRU pairs of two RRU compositions without correlation；
Determine the first RRU of the RRU centering to and the 2nd RRU pairs, the first RRU to for the RRU centering correlation most
High RRU pairs, the 2nd RRU is to for minimum RRU pairs of the RRU centering correlation；
According to the first RRU to the described 2nd RRU pairs, determine the alternative cell division scheme.
4. according to the method in any one of claims 1 to 3, which is characterized in that user's ratio is less than or equal to 1
Positive number, described according to user's ratio, the specified new logic for being split into meeting preset condition for the logic district is small
District's groups are closed, comprising:
Determine maximum user's ratio in all user's ratios；
Scheme is divided according to the corresponding alternative cell of maximum user's ratio, the logic district is split into specified newly patrolling
Collect cell combination.
5. a kind of device of cell splitting, which is characterized in that described device includes:
Module is obtained, is carried out data transmission for obtaining target terminal respectively with remote radio unit (RRU) RRU all in logic district
Path loss parameter and line loss threshold, the logic district is made of all RRU；
Determining module, for determining the target terminal and all RRU according to the path loss parameter and the line loss threshold
Belonging relation, and determine that alternative cell divides scheme according to the belonging relation, alternative cell division scheme is used for will
The logic district is divided into the new logic cell combination specified in the alternative cell division scheme；
The acquisition module is also used to obtain user's ratio of each alternative cell division scheme, and user's ratio is described
The ratio of the number of users of two new logic cells；
Module is divided, for according to user's ratio, the logic district is split into meeting the specified new of preset condition
Logic district combination.
6. device according to claim 5, which is characterized in that the acquisition module is also used to obtain the logic district
Resource utilization；
The acquisition module is also used to obtain the logic district when the resource utilization is greater than resource utilization thresholding
In all terminals movement speed；
The acquisition module is also used to be greater than the number of users of movement speed thresholding when movement speed, is less than number of users thresholding
When, execute the path loss parameter and path loss that all RRU carry out data transmission in the acquisition target terminal respectively and logic district
The step of thresholding.
7. device according to claim 5, which is characterized in that the determining module is specifically used for determining that the target is whole
The terminal that the path loss parameter is less than the line loss threshold is sent in end, is belonged in all RRU and is received the path loss parameter
Less than the RRU of the line loss threshold, and generate the belonging relation；
According to the belonging relation, determine RRU pairs, the RRU to include the RRU that forms of two RRU with correlation to
RRU pairs of two RRU compositions without correlation；
Determine the first RRU of the RRU centering to and the 2nd RRU pairs, the first RRU to for the RRU centering correlation most
High RRU pairs, the 2nd RRU is to for minimum RRU pairs of the RRU centering correlation；
According to the first RRU to the described 2nd RRU pairs, determine the alternative cell division scheme.
8. device according to any one of claims 5 to 7, which is characterized in that user's ratio is less than or equal to 1
Positive number, the division module, specifically for maximum user's ratio in all user's ratios of determination；
Scheme is divided according to the corresponding alternative cell of maximum user's ratio, the logic district is split into specified newly patrolling
Collect cell combination.
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| CN107733522B (en) * | 2017-10-19 | 2020-12-15 | 北京全路通信信号研究设计院集团有限公司 | LTE-R annular network system |
| CN109348511B (en) * | 2018-11-30 | 2021-11-19 | 中国联合网络通信集团有限公司 | Method and device for allocating baseband resources |
| CN109302749B (en) * | 2018-11-30 | 2022-10-25 | 中国联合网络通信集团有限公司 | Method and device for allocating baseband resources |
| CN114173352A (en) * | 2021-12-01 | 2022-03-11 | 中国电信股份有限公司 | Network coverage optimization method and device, storage medium and electronic equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247576A (en) * | 2006-03-28 | 2008-08-20 | 华为技术有限公司 | Indoor distribution system and networking method thereof |
| CN101594667A (en) * | 2009-06-22 | 2009-12-02 | 北京天碁科技有限公司 | Signaling method and system based on remote radio unit (RRU) |
| CN101959204A (en) * | 2010-08-18 | 2011-01-26 | 北京邮电大学 | Method and device for laying out distributive sites |
| CN102111690A (en) * | 2009-12-29 | 2011-06-29 | 中兴通讯股份有限公司 | Method and system for achieving multi-carrier data transmission |
| WO2012108807A1 (en) * | 2011-02-09 | 2012-08-16 | Telefonaktiebolaget L M Ericsson (Publ) | Point-dependent resource symbol configuration in a wireless cell |
| CN103826261A (en) * | 2012-11-16 | 2014-05-28 | 瑞典爱立信有限公司 | Uplink load control and scheduling |
-
2015
- 2015-11-25 CN CN201510834167.2A patent/CN105517000B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101247576A (en) * | 2006-03-28 | 2008-08-20 | 华为技术有限公司 | Indoor distribution system and networking method thereof |
| CN101594667A (en) * | 2009-06-22 | 2009-12-02 | 北京天碁科技有限公司 | Signaling method and system based on remote radio unit (RRU) |
| CN102111690A (en) * | 2009-12-29 | 2011-06-29 | 中兴通讯股份有限公司 | Method and system for achieving multi-carrier data transmission |
| CN101959204A (en) * | 2010-08-18 | 2011-01-26 | 北京邮电大学 | Method and device for laying out distributive sites |
| WO2012108807A1 (en) * | 2011-02-09 | 2012-08-16 | Telefonaktiebolaget L M Ericsson (Publ) | Point-dependent resource symbol configuration in a wireless cell |
| CN103826261A (en) * | 2012-11-16 | 2014-05-28 | 瑞典爱立信有限公司 | Uplink load control and scheduling |
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