CN105517000A - Cell splitting method and apparatus - Google Patents
Cell splitting method and apparatus Download PDFInfo
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- CN105517000A CN105517000A CN201510834167.2A CN201510834167A CN105517000A CN 105517000 A CN105517000 A CN 105517000A CN 201510834167 A CN201510834167 A CN 201510834167A CN 105517000 A CN105517000 A CN 105517000A
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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
Abstract
The embodiment of the invention, which relates to the technical field of communication, discloses a cell splitting method and apparatus. With the method and apparatus, the maintenance cost during the network planning construction process can be reduced. According to the embodiment of the invention, the method comprises: path loss parameters and path loss thresholds for data transmission between a target terminal and all RRUs in a logic cell are obtained respectively, wherein the logic cell is formed by all RRUs; according to the path loss parameters and path loss thresholds, an ownership between the target terminal and all RRUs is determined, and alternative cell splitting schemes are determined according to the ownership, wherein the alternative cell splitting schemes are used for dividing the logic cell into new logic cell combination units designated by the alternative cell splitting schemes; a user ratio value of each alternative cell splitting scheme is obtained, wherein the user ratio value is a ratio value of user numbers of two new logic cells; and according to the user ratio values, the logic cell is split into designated new logic cell combination units meeting a preset condition. The method and apparatus are suitable for a communication network system.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method and device of cell splitting.
Background technology
Along with the development of the communication technology, especially cell combining technology is universal, owing to can improve receiving gain by realizing uplink data merging.Therefore, in network planning process of construction, usual by multiple independently logic district RRU (RemoteRadioUnit, remote radio unit (RRU)) be connected to same BBU (BuildingBasebandUnit simultaneously, indoor baseband processing unit), forms a new logic district, thus the area of expansion community, to reduce the switching times of user, and then reduce the call drop probability of user.
At present, because multiple RRU is connected to same BBU simultaneously, original many parts of local resources are made to be reduced to a local resource, therefore, in order to increase local resource, improve communication efficiency, the method can reconnoitred by manual site confirms the distribution situation of user, divides afterwards according to the distribution situation of user to new logic district.But, adopt said method to divide new logic district, need the distribution situation of network optimization personnel to user with practical experience to add up, analyze, considerably increase 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 the maintenance cost in network planning process of construction.
For achieving the above object, the embodiment of the present invention adopts following technical scheme:
First aspect, the embodiment of the present invention provides a kind of method of cell splitting, and described method comprises:
Obtain all remote radio unit (RRU) RRU in target terminal and logic district respectively and carry out the path loss parameter of transfer of data, and line loss threshold, described logic district is made up of described all RRU;
According to described path loss parameter and described line loss threshold, determine the belonging relation of described target terminal and described all RRU, and determine alternative cell division scheme according to described belonging relation, described alternative cell division scheme is used for described logic district being divided into the new logic cell combination of specifying in described alternative cell division scheme;
Obtain user's ratio of each alternative cell division scheme, described user's ratio is the ratio of the number of users of described two new logic communities;
According to described user's ratio, described logic district is split into and meets the pre-conditioned new logic cell combination of specifying.
Second aspect, the embodiment of the present invention provides a kind of device of cell splitting, and described device comprises:
Acquisition module, carries out the path loss parameter of transfer of data for obtaining all remote radio unit (RRU) RRU in target terminal and logic district respectively, and line loss threshold, and described logic district is made up of described all RRU;
Determination module, for according to described path loss parameter and described line loss threshold, determine the belonging relation of described target terminal and described all RRU, and determine alternative cell division scheme according to described belonging relation, described alternative cell division scheme is used for described logic district being divided into the new logic cell combination of specifying in described alternative cell division scheme;
Described acquisition module, also for obtaining user's ratio of each alternative cell division scheme, described user's ratio is the ratio of the number of users of described two new logic communities;
Division module, for according to described user's ratio, is split into described logic district and meets the pre-conditioned new logic cell combination of specifying.
The method of a kind of cell splitting that the embodiment of the present invention provides and device, the path loss parameter of transfer of data is carried out according to RRU all in the target terminal obtained respectively and logic district, and line loss threshold, determine the belonging relation of target terminal and all RRU, and determine alternative cell division scheme according to belonging relation, obtain user's ratio of each alternative cell division scheme afterwards, and according to user's ratio, logic district is split into and meets the pre-conditioned new logic cell combination of specifying.Wherein, alternative cell division scheme is used for logic district being divided into the new logic cell combination of specifying in alternative cell division scheme, and user's ratio is the ratio of the number of users of two new logic communities.Be compared to the distribution situation that the method for being reconnoitred by manual site in prior art confirms user, according to the distribution situation of user, new logic district is divided afterwards, the present invention can according to the belonging relation being determined terminal and RRU by acquisition path loss parameter and line loss threshold, and determine alternative cell division scheme, determine logic district to be divided into new logic cell combination according to the user's ratio obtained afterwards, avoid at substantial manpower, material resources determine the distribution situation of user, and the follow-up distribution situation according to user divides logic district.Therefore, it is possible to reduce the maintenance cost in network planning process of construction.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of embody rule scene schematic diagram that Fig. 1 provides for the embodiment of the present invention;
The method flow diagram of a kind of cell splitting that Fig. 2 provides for the embodiment of the present invention;
The method flow diagram of the another kind of cell splitting that Fig. 3 provides for the embodiment of the present invention;
The method flow diagram of the another kind of cell splitting that Fig. 4 provides for the embodiment of the present invention;
The method flow diagram of the another kind of cell splitting that Fig. 5 provides for the embodiment of the present invention;
The apparatus structure schematic diagram of a kind of cell splitting that Fig. 6 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention is applicable to a kind of communications network system, is provided with a BBU, at least two RRU and server/network equipment in this communications network system.Wherein, server or the network equipment may be used for the method flow performing following cell splitting, specifically for decision logic community the need of carrying out cell splitting, and when needs perform cell splitting, determine unique new logic cell combination, and cell splitting is carried out to logic district.As shown in Figure 1, be provided with RRU1 to RRUn in communications network system, server/network equipment and BBU, wherein, n is positive integer.
The embodiment of the present invention provides a kind of method of cell splitting, and as shown in Figure 2, the method can be performed by server or the network equipment, and the method comprises:
101, obtain all RRU in target terminal and logic district respectively and carry out the path loss parameter of transfer of data, and line loss threshold.
Wherein, logic district is made up of all RRU.
In embodiments of the present invention, path loss parameter is the parameter that terminal reports to network side; Line loss threshold can be preset according to the path loss situation of terminal reality by staff, and the concrete value of line loss threshold does not do concrete restriction in embodiments of the present invention, usually can be set to 5dB (decibel).
102, according to path loss parameter and line loss threshold, determine the belonging relation of target terminal and all RRU, and determine alternative cell division scheme according to belonging relation.
Wherein, division scheme in alternative cell is used for logic district being divided into the new logic cell combination of specifying in alternative cell division scheme.
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 communities.
By the method for above-mentioned steps 101 and step 102, at least one alternative cell division scheme can be obtained.When alternative cell division scheme is at least two, in order to determine a final cell splitting scheme, need to filter out a best cell splitting scheme from fixed multiple alternative cell division scheme.Because number of users can have influence on the resource utilization of community, therefore, in embodiments of the present invention, can by determining that user's ratio determines final cell splitting scheme.Such as: alternative cell division scheme comprises two, wherein, alternative cell division scheme 1 is for be divided into community 1 and community 2 by logic district, and alternative cell division scheme 2 is for be divided into community 3 and community 4 by logic district.User's ratio of alternative cell division scheme 1 is the ratio of the number of users of community 1 and community 2, and user's ratio of alternative cell division scheme 2 is the ratio of the number of users of community 3 and community 4.It should be noted that, in embodiments of the present invention, the ratio relation of the number of users conveniently between more different alternative cell division scheme, therefore, can in the ratio process of number of users calculating different alternative cell division scheme, uniform requirement ratio is more than or equal to 1, or is less than 1.
In embodiments of the present invention, the target terminal used due to user may belong to two new logic communities in alternative cell division scheme respectively, therefore, in the process calculating user's ratio, in order to reduce the user that belongs to two new logic communities to calculating the interference brought, according to the shortest principle of geographic distance, user can be only divided to one of them in two new logic communities, wherein, the geographic distance distance that use to by user between terminal and RRU.Namely when calculating user's ratio, all users in logic district only can belong to a new logic community respectively.
104, according to user's ratio, logic district is split into and meets the pre-conditioned new logic cell combination of specifying.
The method of a kind of cell splitting that the embodiment of the present invention provides, the path loss parameter of transfer of data is carried out according to RRU all in the target terminal obtained respectively and logic district, and line loss threshold, determine the belonging relation of target terminal and all RRU, and determine alternative cell division scheme according to belonging relation, obtain user's ratio of each alternative cell division scheme afterwards, and according to user's ratio, logic district is split into and meets the pre-conditioned new logic cell combination of specifying.Wherein, alternative cell division scheme is used for logic district being divided into the new logic cell combination of specifying in alternative cell division scheme, and user's ratio is the ratio of the number of users of two new logic communities.Be compared to the distribution situation that the method for being reconnoitred by manual site in prior art confirms user, according to the distribution situation of user, new logic district is divided afterwards, the present invention can according to the belonging relation being determined terminal and RRU by acquisition path loss parameter and line loss threshold, and determine alternative cell division scheme, determine logic district to be divided into new logic cell combination according to the user's ratio obtained afterwards, avoid at substantial manpower, material resources determine the distribution situation of user, and the follow-up distribution situation according to user divides logic district.Therefore, it is possible to 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, so that for user provides better service, in an implementation of the embodiment of the present invention, resource utilization only when logic district is greater than resource utilization thresholding, and in logic district, when the translational speed exceeding the user of number of users thresholding is greater than translational speed thresholding, just consider the cell splitting of whether actuating logic community.Therefore, implementation as shown in Figure 3 can also be embodied as:
105, the resource utilization of logic district is obtained.
106, when resource utilization is greater than resource utilization thresholding, the translational speed of all terminals in logic district is obtained.
107, when translational speed is greater than the number of users of translational speed thresholding, when being less than number of users thresholding, performing step and obtain the path loss parameter that all RRU in target terminal and logic district carry out transfer of data respectively, and line loss threshold.
Due to the final purpose that the resource utilization improving community is cell splitting, therefore, can determine that this logic district is the need of carrying out cell splitting by the resource utilization obtaining logic district.Under normal circumstances, be that logic district resource utilization being greater than 75% is as the community that may need to carry out cell splitting.Afterwards in order to ensure after the cell splitting of actuating logic community, frequent switching can not be caused to user most of in logic district, therefore, also need resource utilization meet can carry out the condition of cell splitting time, obtain the translational speed of all terminals in logic district, and when the translational speed of the terminal being less than some is greater than default translational speed thresholding, just consider to carry out cell splitting to this logic district.Under normal circumstances, number of users thresholding can be set to 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, resource utilization when logic district is greater than resource utilization thresholding, and the number of users that in logic district, translational speed is greater than translational speed thresholding is when being more than or equal to number of users thresholding, then determine that logic district does not need to carry out cell splitting.
The method of a kind of cell splitting that the embodiment of the present invention provides, when resource utilization is greater than resource utilization thresholding, and translational speed is greater than the number of users of translational speed thresholding in logic district, when being less than number of users thresholding, the path loss parameter of transfer of data is carried out according to RRU all in the target terminal obtained respectively and logic district, and line loss threshold, determine the belonging relation of target terminal and all RRU, and determine alternative cell division scheme according to belonging relation, obtain user's ratio of each alternative cell division scheme afterwards, and according to user's ratio, logic district is split into and meets the pre-conditioned new logic cell combination of specifying.Wherein, alternative cell division scheme is used for logic district being divided into the new logic cell combination of specifying in alternative cell division scheme, and user's ratio is the ratio of the number of users of two new logic communities.Be compared to the distribution situation that the method for being reconnoitred by manual site in prior art confirms user, according to the distribution situation of user, new logic district is divided afterwards, the present invention can by the mode of screening, resource utilization only when logic district is greater than resource utilization thresholding, and in logic district, when the translational speed being less than the user of number of users thresholding is greater than translational speed thresholding, just consider the cell splitting of whether actuating logic community.Afterwards according to the belonging relation being determined terminal and RRU by acquisition path loss parameter and line loss threshold, and determine alternative cell division scheme, determine logic district to be divided into new logic cell combination according to the user's ratio obtained afterwards, avoid at substantial human and material resources to determine the distribution situation of user, and the follow-up distribution situation according to user divides to logic district.Therefore, it is possible to reduce the maintenance cost in network planning process of construction.
In order to determine alternative cell division scheme more accurately, in an implementation of the embodiment of the present invention, can by generating the belonging relation between target terminal and all RRU, determine the RRU couple that RRU centering correlation is the highest, and the RRU couple that correlation is minimum, and according to determined RRU to determining alternative cell division scheme.Therefore, on the basis of implementation as shown in Figure 2, implementation as shown in Figure 4 can also be embodied as, wherein, step 102 is according to path loss parameter and line loss threshold, determine the belonging relation of target terminal and all RRU, and determine alternative cell division scheme according to belonging relation, step 1021 can be implemented as to step 1024:
1021, determine to send in target terminal the terminal that path loss parameter is less than line loss threshold, belong in all RRU the RRU receiving path loss parameter and be less than line loss threshold, and generate belonging relation.
In embodiments of the present invention, when terminal is less than default 5dB to the path loss parameter that RRU sends, then thinks that this terminal belongs to this RRU, and set up the belonging relation of this terminal and this RRU.It should be noted that, same terminal can belong to multiple RRU.
1022, according to belonging relation, RRU couple is determined.
Wherein, RRU to the RRU comprising the RRU composition that two have a correlation to the RRU couple of RRU composition with two without correlation.
Such as: logic district comprises 4 RRU, is respectively RRU1, RRU2, RRU3 and RRU4.As shown in Table 1, when existence target terminal belongs to RRU1 and RRU2 simultaneously, then the quantity that RRU1 is capable in Table 1, the position of RRU2 row is added up adds 1; When there is another target terminal and belong to RRU2, RRU3 and RRU4 simultaneously, then the position of RRU2 capable, RRU3 row in Table 1, RRU2 is capable, the position of RRU4 row, and the quantity that the position that RRU3 is capable, RRU4 arranges is added up adds 1.It should be noted that, when target terminal only belongs to 1 RRU, then in the process judging RRU correlation, do not need this target terminal to count in the statistic processes of quantity.
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 has correlation.
1023, determine a RRU of RRU centering to the 2nd RRU couple.
Wherein, a RRU is to for the highest RRU couple of RRU centering correlation, the 2nd RRU are to being the minimum RRU couple of RRU centering correlation.
By step 1022, the correlation between RRU1, RRU2, RRU3 and RRU4 can be presented in table two.Wherein, the correlation of RRU1 and RRU2 to be the correlation of 3, RRU1 and RRU3 be 1, RRU1 and RRU4 correlation be 0, RRU2 and RRU3 correlation be 5, RRU2 and RRU4 correlation be 0, RRU3 and RRU4 correlation be 2.Namely correlation be the RRU of 5 to being RRU2 and RRU3, correlation be the RRU of 3 to being RRU1 and RRU2, correlation is that the RRU of 2 is to being RRU3 and RRU4, correlation is that the RRU of 1 is to being RRU1 and RRU3, correlation be the RRU of 0 to being RRU1 and RRU4, and RRU2 and RRU4, as shown in Table 3.
Table two
| RRU1 | RRU2 | RRU3 | RRU4 | |
| RRU1 | — | 3 | 1 | 0 |
| RRU2 | — | — | 5 | 0 |
| RRU3 | — | — | — | 2 5 --> |
| RRU4 | — | — | — | — |
Table three
| Sequence number | Correlation | RRU couple |
| 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, a RRU is to RRU2 and the RRU3 for correlation being 5, and the 2nd RRU is to RRU1 and the RRU4, RRU2 and the RRU4 that for correlation are 0.
1024, according to a RRU to the 2nd RRU couple, determine alternative cell division scheme.
Such as: logic district comprises RRU1 to RRU5, wherein, the correlation between RRU1 to RRU5 as shown in Table 3.To the mode that logic district divides, as shown in Table 4.
Table four
| Sequence number | New logic community 1 | New logic community 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 logic district is divided, the switching frequency of the least possible adding users, guarantee that the resource utilization of two new logic communities is comparatively balanced simultaneously, therefore, the RRU with most high correlation can be divided in same logic district, by correlation be namely 5 RRU2 and RRU3 be divided in same logic district, namely this several division scheme of sequence number 1,4,5,8,9 and 15.And, in all division schemes, the division scheme that the RRU of minimum correlation can be divided in same logic district is rejected, namely this several division scheme of sequence number 1,5,8 and 9 is foreclosed, thus obtain sequence number 4 and these two kinds of division schemes of sequence number 15, and determine that these two kinds of division schemes are alternative cell division scheme.
The method of a kind of cell splitting that the embodiment of the present invention provides, the path loss parameter of transfer of data is carried out according to RRU all in the target terminal obtained respectively and logic district, and line loss threshold, generate belonging relation, and determine RRU couple, and a RRU pair the highest according to RRU centering correlation, and the 2nd RRU couple that RRU centering correlation is minimum, determine alternative cell division scheme, obtain user's ratio of each alternative cell division scheme afterwards, and according to user's ratio, logic district is split into and meets the pre-conditioned new logic cell combination of specifying.Wherein, alternative cell division scheme is used for logic district being divided into the new logic cell combination of specifying in alternative cell division scheme, and user's ratio is the ratio of the number of users of two new logic communities.Be compared to the distribution situation that the method for being reconnoitred by manual site in prior art confirms user, according to the distribution situation of user, new logic district is divided afterwards, the present invention can according to the belonging relation being determined terminal and RRU by acquisition path loss parameter and line loss threshold, and the correlation size right according to RRU determines alternative cell division scheme, determine logic district to be divided into new logic cell combination according to the user's ratio obtained afterwards, avoid at substantial manpower, material resources determine the distribution situation of user, and the follow-up distribution situation according to user divides logic district.Therefore, it is possible to reduce the maintenance cost in network planning process of construction.
In order to determine unique alternative cell division scheme more accurately from alternative cell division scheme, in an implementation of the embodiment of the present invention, user's ratio be less than or equal to 1 positive number, can from meeting pre-conditioned user's ratio, determine the division of the alternative cell corresponding to the user's ratio scheme that numerical value is maximum, and according to alternative cell division scheme, logic district is divided.Therefore, on the basis of implementation as shown in Figure 2, implementation as shown in Figure 5 can also be embodied as, wherein, logic district, according to user's ratio, is split into and meets the pre-conditioned new logic cell combination of specifying, can be implemented as step 1041 and step 1042 by step 104:
1041, the maximum user's ratio in all user's ratio is determined.
1042, according to the alternative cell division scheme that maximum user's ratio is corresponding, logic district is split into the new logic cell combination of specifying.
By step 1021 to step 1024, filter out sequence number 4 and these two kinds of alternative cell division schemes of sequence number 15, obtained user's ratio of these two alternative cell division schemes afterwards by step 103 respectively.It should be noted that, when user's ratio of these two alternative cell division schemes does not all meet pre-conditioned, when namely user's ratio is not within the scope of pre-set interval, then determines there is no suitable cell splitting scheme in alternative cell division scheme, cell splitting is not carried out to logic district; When only having one to meet pre-conditioned in user's ratio of these two alternative cell division schemes, the alternative cell division scheme then meeting pre-conditioned user's ratio corresponding is confirmed as final cell splitting scheme, and divides logic district according to final cell splitting scheme; When user's ratio of these two alternative cell division schemes all meets pre-conditioned, the user's ratio then finding numerical value larger from two user's ratios, afterwards alternative cell corresponding for user's ratio larger for numerical value division scheme is confirmed as final cell splitting scheme, and according to final cell splitting scheme, logic district is divided.In embodiments of the present invention, due to user's ratio be less than or equal to 1 positive number, therefore, pre-set interval scope can be defined as [3/7,1], it should be noted that, in embodiments of the present invention concrete restriction is not done to the value of pre-set interval upper and lower limit, can be preset based on experience value by staff.
The method of a kind of cell splitting that the embodiment of the present invention provides, the path loss parameter of transfer of data is carried out according to RRU all in the target terminal obtained respectively and logic district, and line loss threshold, determine the belonging relation of target terminal and all RRU, and determine alternative cell division scheme according to belonging relation, obtain user's ratio of each alternative cell division scheme afterwards, and according to user's ratio, determine, according to alternative cell division scheme corresponding to the maximum user's ratio in all user's ratio, logic district to be split into the new logic cell combination of specifying.Wherein, alternative cell division scheme is used for logic district being divided into the new logic cell combination of specifying in alternative cell division scheme, and user's ratio is the ratio of the number of users of two new logic communities.Be compared to the distribution situation that the method for being reconnoitred by manual site in prior art confirms user, according to the distribution situation of user, new logic district is divided afterwards, the present invention can according to the belonging relation being determined terminal and RRU by acquisition path loss parameter and line loss threshold, and determine alternative cell division scheme, determine according to alternative cell division scheme corresponding to the maximum user's ratio in all user's ratio according to the user's ratio obtained afterwards, logic district is split into the new logic cell combination of specifying, avoid at substantial manpower, material resources determine the distribution situation of user, and the follow-up distribution situation according to user divides logic district.Therefore, when determining unique new logic cell combination, the maintenance cost in network planning process of construction can be reduced.
The embodiment of the present invention provides a kind of device 20 of cell splitting, and as shown in Figure 6, this device 20 comprises:
Acquisition module 21, carries out the path loss parameter of transfer of data for obtaining all remote radio unit (RRU) RRU in target terminal and logic district respectively, and line loss threshold, and logic district is made up of all RRU.
Determination module 22, for according to path loss parameter and line loss threshold, determine the belonging relation of target terminal and all RRU, and determine alternative cell division scheme according to belonging relation, alternative cell division scheme is used for logic district being divided into the new logic cell combination of specifying in alternative cell division scheme.
Acquisition module 21, also for obtaining user's ratio of each alternative cell division scheme, user's ratio is the ratio of the number of users of two new logic communities.
Division module 23, for according to user's ratio, is split into logic district and meets the pre-conditioned new logic cell combination of specifying.
In an implementation of the embodiment of the present invention, acquisition module 21, also for obtaining the resource utilization of logic district;
Acquisition module 21, time also for being greater than resource utilization thresholding when resource utilization, obtains the translational speed of all terminals in logic district;
Acquisition module 21, also for being greater than the number of users of translational speed thresholding when translational speed, when being less than number of users thresholding, performing step and obtains the path loss parameter that all RRU in target terminal and logic district carry out transfer of data respectively, and line loss threshold.
In an implementation of the embodiment of the present invention, determination module 22, specifically for determining to send in target terminal the terminal that path loss parameter is less than line loss threshold, belonging in all RRU the RRU receiving path loss parameter and be less than line loss threshold, and generating belonging relation;
According to belonging relation, determine RRU couple, RRU to the RRU comprising the RRU composition that two have a correlation to the RRU couple of RRU composition with two without correlation;
Determine a RRU of RRU centering to the 2nd RRU couple, a RRU to for the highest RRU couple of RRU centering correlation, the 2nd RRU are to being the minimum RRU couple of RRU centering correlation;
According to a RRU to the 2nd RRU couple, determine alternative cell division scheme.
In an implementation of the embodiment of the present invention, user's ratio be less than or equal to 1 positive number, division module 23, specifically for determining the maximum user's ratio in all user's ratio;
According to the alternative cell division scheme that maximum user's ratio is corresponding, logic district is split into the new logic cell combination of specifying.
The device of a kind of cell splitting that the embodiment of the present invention provides, the path loss parameter of transfer of data is carried out according to RRU all in the target terminal obtained respectively and logic district, and line loss threshold, determine the belonging relation of target terminal and all RRU, and determine alternative cell division scheme according to belonging relation, obtain user's ratio of each alternative cell division scheme afterwards, and according to user's ratio, logic district is split into and meets the pre-conditioned new logic cell combination of specifying.Wherein, alternative cell division scheme is used for logic district being divided into the new logic cell combination of specifying in alternative cell division scheme, and user's ratio is the ratio of the number of users of two new logic communities.Be compared to the distribution situation that the method for being reconnoitred by manual site in prior art confirms user, according to the distribution situation of user, new logic district is divided afterwards, the present invention can according to the belonging relation being determined terminal and RRU by acquisition path loss parameter and line loss threshold, and determine alternative cell division scheme, determine logic district to be divided into new logic cell combination according to the user's ratio obtained afterwards, avoid at substantial manpower, material resources determine the distribution situation of user, and the follow-up distribution situation according to user divides logic district.Therefore, it is possible to reduce the maintenance cost in network planning process of construction.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Especially, for device embodiment, because it is substantially similar to embodiment of the method, so describe fairly simple, relevant part illustrates see the part of embodiment of the method.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (8)
1. a method for cell splitting, is characterized in that, described method comprises:
Obtain all remote radio unit (RRU) RRU in target terminal and logic district respectively and carry out the path loss parameter of transfer of data, and line loss threshold, described logic district is made up of described all RRU;
According to described path loss parameter and described line loss threshold, determine the belonging relation of described target terminal and described all RRU, and determine alternative cell division scheme according to described belonging relation, described alternative cell division scheme is used for described logic district being divided into the new logic cell combination of specifying in described alternative cell division scheme;
Obtain user's ratio of each alternative cell division scheme, described user's ratio is the ratio of the number of users of described two new logic communities;
According to described user's ratio, described logic district is split into and meets the pre-conditioned new logic cell combination of specifying.
2. method according to claim 1, is characterized in that, in described acquisition target terminal respectively and logic district, all RRU carry out the path loss parameter of transfer of data, and before line loss threshold, comprising:
Obtain the resource utilization of described logic district;
When described resource utilization is greater than resource utilization thresholding, obtain the translational speed of all terminals in described logic district;
When translational speed is greater than the number of users of translational speed thresholding, when being less than number of users thresholding, performing described step and obtain the path loss parameter that all RRU in target terminal and logic district carry out transfer of data respectively, and line loss threshold.
3. method according to claim 1, is characterized in that, described according to described path loss parameter and described line loss threshold, determines the belonging relation of described target terminal and described all RRU, and determines alternative cell division scheme according to described belonging relation, comprising:
Determine to send in described target terminal the terminal that described path loss parameter is less than described line loss threshold, belong in described all RRU the RRU receiving described path loss parameter and be less than described line loss threshold, and generate described belonging relation;
According to described belonging relation, determine RRU couple, described RRU to the RRU comprising the RRU composition that two have a correlation to the RRU couple of RRU composition with two without correlation;
Determine a RRU of described RRU centering to the 2nd RRU couple, a described RRU to for the highest RRU couple of described RRU centering correlation, described 2nd RRU are to being the minimum RRU couple of described RRU centering correlation;
According to a described RRU to described 2nd RRU couple, determine described alternative cell division scheme.
4. according to the method in any one of claims 1 to 3, it is characterized in that, described user's ratio be less than or equal to 1 positive number, described according to described user's ratio, described logic district is split into and meets the pre-conditioned new logic cell combination of specifying, comprising:
Determine the maximum user's ratio in all user's ratio;
According to the alternative cell division scheme that described maximum user's ratio is corresponding, described logic district is split into the new logic cell combination of specifying.
5. a device for cell splitting, is characterized in that, described device comprises:
Acquisition module, carries out the path loss parameter of transfer of data for obtaining all remote radio unit (RRU) RRU in target terminal and logic district respectively, and line loss threshold, and described logic district is made up of described all RRU;
Determination module, for according to described path loss parameter and described line loss threshold, determine the belonging relation of described target terminal and described all RRU, and determine alternative cell division scheme according to described belonging relation, described alternative cell division scheme is used for described logic district being divided into the new logic cell combination of specifying in described alternative cell division scheme;
Described acquisition module, also for obtaining user's ratio of each alternative cell division scheme, described user's ratio is the ratio of the number of users of described two new logic communities;
Division module, for according to described user's ratio, is split into described logic district and meets the pre-conditioned new logic cell combination of specifying.
6. device according to claim 5, is characterized in that, described acquisition module, also for obtaining the resource utilization of described logic district;
Described acquisition module, also for when described resource utilization is greater than resource utilization thresholding, obtains the translational speed of all terminals in described logic district;
Described acquisition module, also for being greater than the number of users of translational speed thresholding when translational speed, when being less than number of users thresholding, performing described step and obtains the path loss parameter that all RRU in target terminal and logic district carry out transfer of data respectively, and line loss threshold.
7. device according to claim 5, it is characterized in that, described determination module, specifically for determining to send in described target terminal the terminal that described path loss parameter is less than described line loss threshold, belong in described all RRU the RRU receiving described path loss parameter and be less than described line loss threshold, and generate described belonging relation;
According to described belonging relation, determine RRU couple, described RRU to the RRU comprising the RRU composition that two have a correlation to the RRU couple of RRU composition with two without correlation;
Determine a RRU of described RRU centering to the 2nd RRU couple, a described RRU to for the highest RRU couple of described RRU centering correlation, described 2nd RRU are to being the minimum RRU couple of described RRU centering correlation;
According to a described RRU to described 2nd RRU couple, determine described alternative cell division scheme.
8. the device according to any one of claim 5 to 7, is characterized in that, described user's ratio be less than or equal to 1 positive number, described division module, specifically for determining the maximum user's ratio in all user's ratio;
According to the alternative cell division scheme that described maximum user's ratio is corresponding, described logic district is split into the new logic cell combination of specifying.
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