CN105338539A - Cell merging method and device - Google Patents
Cell merging method and device Download PDFInfo
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- CN105338539A CN105338539A CN201510830921.5A CN201510830921A CN105338539A CN 105338539 A CN105338539 A CN 105338539A CN 201510830921 A CN201510830921 A CN 201510830921A CN 105338539 A CN105338539 A CN 105338539A
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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
- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W24/02—Arrangements for optimising operational condition
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Abstract
The embodiment of the invention discloses a cell merging method and device and relates to the technical field of communication, which can lower the maintenance cost during network planning and construction. The method disclosed by the embodiment of the invention comprises the following steps: obtaining a neighbor list corresponding to a target logic cell; obtaining a switching failure rate between every two logic cells in a cell set formed by the target logic cell and adjacent logic cells; determining that two logic cells with switching failure rates greater than a first threshold are to-be-merged cell pairs; obtaining the resource utilization rates of the to-be-merged cell pairs and the retention situation of a target terminal in the preset time; and determining that the to-be-merged cell pairs meeting preset conditions are merged according to the resource utilization rates of the to-be-merged cell pairs and the retention situation. The cell merging method and device are applicable to 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 combining.
Background technology
Along with the development of the communication technology, especially distributed base station substitutes traditional macro base station gradually, multiple RRU (RemoteRadioUnit, remote radio unit (RRU)) can by being connected to same BBU (BuildingBasebandUnit simultaneously, indoor baseband processing unit), form multiple logic district, wherein, each RRU is a logic district.
At present, by being merged multiple logic district, to make the upstream data of same user merged, thus receiving gain can be improved.But, in order to the merging being carried out rationalizing in multiple logic district, need the method for being reconnoitred by manual site to confirm the distribution situation of user, according to the distribution situation of user, multiple logic district merged afterwards.But, adopt said method to merge multiple 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 combining, 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 combining, and described method comprises:
Obtain Neighboring Cell List corresponding to target logic community, described Neighboring Cell List comprises and allly in Preset Time, carries out the neighbor logic community of cell merge with described target logic community;
Obtain the handover failure rate between every two logic district in the set of cells that described target logic community and described neighbor logic community form;
Determine that two logic district that described handover failure rate is greater than the first thresholding are community pair to be combined;
Obtain the resource utilization that described community to be combined is right, and in the resident situation of described Preset Time internal object terminal, described resident situation is for representing the logic district that described target terminal is resident in described Preset Time;
The resource utilization right according to described community to be combined, and described resident situation, determine to meet pre-conditioned community to be combined to merging.
Second aspect, the embodiment of the present invention provides a kind of device of cell combining, and described device comprises:
Acquisition module, for obtaining Neighboring Cell List corresponding to target logic community, described Neighboring Cell List comprises and allly in Preset Time, carries out the neighbor logic community of cell merge with described target logic community;
Described acquisition module, also for obtaining the handover failure rate in set of cells that described target logic community and described neighbor logic community form between every two logic district;
Determination module, for determining that two logic district that described handover failure rate is greater than the first thresholding are community pair to be combined;
Described acquisition module, also for obtaining the right resource utilization in described community to be combined, and in the resident situation of described Preset Time internal object terminal, described resident situation is for representing the logic district that described target terminal is resident in described Preset Time;
Described determination module, also for the resource utilization right according to described community to be combined, and described resident situation, determine to meet pre-conditioned community to be combined to merging.
The method of a kind of cell combining that the embodiment of the present invention provides and device, the Neighboring Cell List corresponding according to the target logic community obtained, handover failure rate in the set of cells that acquisition target logic community and neighbor logic community form between every two logic district, and determine that two logic district that handover failure rate is greater than the first thresholding are community pair to be combined, obtain the resource utilization that community to be combined is right afterwards, and in the resident situation of Preset Time internal object terminal, and the resource utilization right according to community to be combined, and resident situation, determine to meet pre-conditioned community to be combined to merging.Wherein, Neighboring Cell List comprises all neighbor logic communities of carrying out cell merge in Preset Time with target logic community, and resident situation is for representing the logic district that target terminal is resident in Preset Time.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 merged afterwards, the present invention can according to the handover failure rate of logic district, resource utilization, and the resident situation of target terminal, merge meeting pre-conditioned logic district.Avoid at substantial human and material resources to determine the distribution situation of user, and the follow-up distribution situation according to user merges to 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 combining that Fig. 2 provides for the embodiment of the present invention;
The method flow diagram of the another kind of cell combining that Fig. 3 provides for the embodiment of the present invention;
The method flow diagram of the another kind of cell combining that Fig. 4 provides for the embodiment of the present invention;
The apparatus structure schematic diagram of a kind of cell combining that Fig. 5 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 combining, specifically for decision logic community the need of carrying out cell combining, and when needs perform cell combining, determine the community pair to be combined needing to merge, and cell combining 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 combining, and as shown in Figure 2, the method can be performed by server or the network equipment, and the method comprises:
101, Neighboring Cell List corresponding to target logic community is obtained.
Wherein, Neighboring Cell List comprises all neighbor logic communities of carrying out cell merge in Preset Time with target logic community.
In embodiments of the present invention, Neighboring Cell List can obtain from network side.Wherein, the neighbor logic community recorded in Neighboring Cell List comprises the logic district of handover success and handoff failure.Namely whenever target logic community receives the message of the request switching that neighbor logic community sends, or by target logic community to neighbor logic community initiate handover request time, target logic community all can report the information of neighbor logic community to network side, so that network side generates Neighboring Cell List.
102, the handover failure rate between every two logic district in the set of cells that target logic community and neighbor logic community form is obtained.
In set of cells, in Preset Time, handoff procedure may be there is between every two logic district or never trigger handoff procedure.After triggering handoff procedure, this handoff procedure success or failed result all can be reported network side, so that network side can add up the handover failure rate carrying out between these two logic district and other logic district switching respectively by these two logic district.Wherein, handover failure rate specifically can be expressed as the number of times of handoff failure and the ratio triggering the number of times switched.It should be noted that, in embodiments of the present invention, the obtain manner for handover failure rate does not do concrete restriction, the handover failure rate that the network equipment or server can be determined in set of cells between every two logic district by number of ways.
103, determine that two logic district that handover failure rate is greater than the first thresholding are community pair to be combined.
It should be noted that, the first thresholding, for distinguishing the logic district needing to carry out the logic district that merges and do not need to carry out merging, specifically can set based on experience value.Namely when the situation of frequent handoff failure appears in two logic district, these two logic district are defined as community pair to be combined, and for lower two logic district of handover failure rate, then do not carry out the right division in community to be combined.
104, the right resource utilization in community to be combined is obtained, and in the resident situation of Preset Time internal object terminal.
Wherein, resident situation is for representing the logic district that target terminal is resident in Preset Time.
Obtain the resource utilization of each logic district of community to be combined centering respectively, afterwards according to the resource utilization of each logic district in same community to be combined, determine the resource utilization of this community to be combined, in like manner obtain the resource utilization that each community to be combined is right.In embodiments of the present invention, the network equipment or server can by obtaining the list of target terminal affiliated subdistrict from network side, determine the current affiliated logic district of target terminal, and the logic district belonging to Preset Time internal object terminal, namely in Preset Time, target terminal the logic district accessed.
105, right according to community to be combined resource utilization, and resident situation, determine to meet pre-conditioned community to be combined to merging.
In the process that logic district is merged, in order to ensure that the logic district after merging can not produce the too high and problem that communication efficiency that is that cause is lower of resource utilization, in embodiments of the present invention, need using resource utilization right for community to be combined as auxiliary Rule of judgment, to guarantee reasonably to merge logic district.It should be noted that, resident situation can reflect the access relation between target terminal and each logic district, therefore, in embodiments of the present invention, need the resident situation of combining target terminal to carry out the merging of logic district equally, the frequent situation switched is carried out between two logic district, in order to reduce the energy consumption of target terminal for cell merge for target terminal, these two logic district can be merged, thus save the resource expended in handoff procedure.
The method of a kind of cell combining that the embodiment of the present invention provides, the Neighboring Cell List corresponding according to the target logic community obtained, handover failure rate in the set of cells that acquisition target logic community and neighbor logic community form between every two logic district, and determine that two logic district that handover failure rate is greater than the first thresholding are community pair to be combined, obtain the resource utilization that community to be combined is right afterwards, and in the resident situation of Preset Time internal object terminal, and the resource utilization right according to community to be combined, and resident situation, determine to meet pre-conditioned community to be combined to merging.Wherein, Neighboring Cell List comprises all neighbor logic communities of carrying out cell merge in Preset Time with target logic community, and resident situation is for representing the logic district that target terminal is resident in Preset Time.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 merged afterwards, the present invention can according to the handover failure rate of logic district, resource utilization, and the resident situation of target terminal, merge meeting pre-conditioned logic district.Avoid at substantial human and material resources to determine the distribution situation of user, and the follow-up distribution situation according to user merges to logic district.Therefore, it is possible to reduce the maintenance cost in network planning process of construction.
To the logic district of carrying out cell combining be needed to merge to enter, in an implementation of the embodiment of the present invention, the handoff failure number of times only carrying out cell merge when target logic community and neighbor logic community is greater than the second thresholding, and the resource utilization of target logic community is when being less than the 3rd thresholding, carry out cell combining for target logic community.Therefore, on the basis of implementation as shown in Figure 2, implementation as shown in Figure 3 can also be embodied as:
106, the handoff failure number of times of cell merge is carried out in acquisition target logic community and neighbor logic community.
107, when handoff failure number of times is greater than the second thresholding, the resource utilization of target logic community is obtained.
108, when the resource utilization of target logic community is less than the 3rd thresholding, perform step and obtain Neighboring Cell List corresponding to target logic community.
Judging that target logic community is the need of carrying out in the process of cell combining, in order to reduce the data processing amount of the network equipment or server, can pass through to investigate handoff failure number of times, and the resource utilization of target logic community, carry out the preliminary judgement the need of carrying out cell combining.In embodiments of the present invention, only have and be greater than the second thresholding when target logic community meets handoff failure number of times, and when resource utilization is less than the 3rd thresholding, then carry out the judgement the need of carrying out cell combining process.It should be noted that, second thresholding and the 3rd thresholding all can set based on experience value, in embodiments of the present invention, 3rd thresholding specifically can be set as 35%, namely when the handoff failure number of times that target logic community is corresponding is greater than the second thresholding, and resource utilization is when being less than 35%, just perform the step obtaining Neighboring Cell List corresponding to target logic community.It should be noted that, in embodiments of the present invention, tentatively can also be judged by other parameters investigating target terminal, such as: when existence in target terminal carries out the frequent terminal quantity switched higher than pre-determined threshold, then determine that target logic community may need to carry out cell combining.Wherein, the accounting that the terminal of carrying out frequently switching accounts for all target terminals can be 40%, namely when the terminal having 40% in target terminal frequently switches, then determines that target logic community needs to carry out cell combining.It should be noted that, for judging whether terminal is carried out the frequent mode switched and do not done concrete restriction in embodiments of the present invention, can carry out the number of times of cell merge according to Preset Time internal object terminal, or the resident situation of Preset Time internal object terminal judges.
The method of a kind of cell combining that the embodiment of the present invention provides, the handoff failure number of times carrying out cell merge when target logic community and neighbor logic community is greater than the second thresholding, and the resource utilization of target logic community is when being less than the 3rd thresholding, the Neighboring Cell List corresponding according to the target logic community obtained, handover failure rate in the set of cells that acquisition target logic community and neighbor logic community form between every two logic district, and determine that two logic district that handover failure rate is greater than the first thresholding are community pair to be combined, obtain the resource utilization that community to be combined is right afterwards, and in the resident situation of Preset Time internal object terminal, and the resource utilization right according to community to be combined, and resident situation, determine to meet pre-conditioned community to be combined to merging.Wherein, Neighboring Cell List comprises all neighbor logic communities of carrying out cell merge in Preset Time with target logic community, and resident situation is for representing the logic district that target terminal is resident in Preset Time.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 merged afterwards, the present invention can work as handoff failure number of times logic district and neighbor logic community carrying out cell merge and be greater than the second thresholding, and resource utilization is when being less than the 3rd thresholding, according to handover failure rate, the resource utilization of logic district, and the resident situation of target terminal, merge meeting pre-conditioned logic district.Avoid at substantial human and material resources to determine the distribution situation of user, and the follow-up distribution situation according to user merges to logic district.Therefore, by only for needing the target logic community of carrying out cell combining, and and target logic community there are neighbouring relations neighbor cell between determine the logic district that needs to merge to reduce the maintenance cost in network planning process of construction further.
In order to select best community to be combined to merging, in an implementation of the embodiment of the present invention, can by generating the belonging relation between target terminal and logic district, determine the RRU couple that RRU centering correlation is the highest, and according to determined RRU to having carried out the right merging in community to be combined.Therefore, on the basis of implementation as shown in Figure 2, implementation as shown in Figure 4 can also be embodied as, wherein, the resource utilization that step 105 is right according to community to be combined, and resident situation, determining to meet pre-conditioned community to be combined to merging, step 1051 can be implemented as to step 1053:
1051, when the resource utilization that community to be combined is right is less than the 4th thresholding, according to resident situation, the belonging relation of target terminal and centering logic district, community to be combined is generated.
It should be noted that, 4th thresholding can for the threshold value preset based on experience value, in embodiments of the present invention, 4th thresholding specifically can be set as 60%, namely when the resource utilization that community to be combined is right is less than 60%, then generate the belonging relation of target terminal and centering logic district, community to be combined according to resident situation.The set-up mode of the 4th thresholding can be arranged according to the concrete network architecture, such as: under the good state of current communication status, the resource utilization of logic district is all lower than 60%, then the 4th thresholding can be set to 60%, better service can be provided for user with the new logic community that obtains after guaranteeing to merge.In embodiments of the present invention, the concrete setting means for the 4th thresholding is not construed as limiting, and also can preset according to the parameter of other influences communication quality or current network conditions.
Such as: community to be combined to comprising RRU1 and RRU2, RRU1 and RRU3, RRU1 and RRU4, and RRU5 and RRU6.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.In embodiments of the present invention, the attaching relation that target terminal is also corresponding with RRU5 and RRU6 is not detected.
It should be noted that, above-mentioned community to be combined centering, RRU1 and RRU2, RRU1 and RRU3, there is the community pair of occuring simultaneously in RRU1 and RRU4, and RRU5 and RRU6 is the community pair that there is not common factor.Wherein, due to RRU1 and RRU2, RRU1 and RRU3, these 3 community to be combined centerings of RRU1 and RRU4 include RRU1, namely comprise same logic district, therefore, think that these 3 communities to be combined are to the community pair for there is common factor.In embodiments of the present invention, can determine to exist the community pair that the community centering of occuring simultaneously needs to carry out merging respectively, and the community centering that there is not common factor needs a community pair carrying out merging.It should be noted that, the implementation provided by the embodiment of the present invention, may occur there is the community pair that the community centering of occuring simultaneously does not exist needs merging, and/or there is not the community pair needing to merge in the community centering occurring not existing common factor.
Table one
| RRU1 | RRU2 | RRU3 | RRU4 | |
| RRU1 | — | +1 | ||
| RRU2 | — | — | +1 | +1 |
| RRU3 | — | — | — | +1 |
| RRU4 | — | — | — | — |
1052, 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.
By step 1051, 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 |
| 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, two RRU with the RRU composition of correlation are to comprising RRU2 and the RRU3 that correlation is 5, and correlation is RRU1 and the RRU2 of 3, and correlation is RRU3 and the RRU4 of 2, and correlation is RRU1 and the RRU3 of 1; Two RRU without the RRU composition of correlation are to comprising RRU1 and RRU4, RRU2 and the RRU4 that correlation is 0.
1053, the RRU couple that RRU centering correlation is the highest is merged, to complete the right merging in community to be combined.
Owing to can determine that community to be combined is to comprising RRU1 and RRU2 according to step 1051 and step 1052, RRU1 and RRU3, and RRU1 and RRU4, and above-mentioned 3 RRU centerings, the highest RRU of correlation is to RRU1 and the RRU2 for correlation being 3.Therefore, in embodiments of the present invention, new logic district can be formed by being carried out merging by RRU1 and RRU2.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.Further, have the RRU of most high correlation to belonging to community pair to be combined, namely correlation is RRU2 and the RRU3 of 5, compared with RRU1 and the RRU2 being 3, does not need to merge with correlation.
It should be noted that, in embodiments of the present invention, two logic district carrying out merging are needed most in order to ensure only merging, therefore, when each time logic district being merged, only can merge two logic district, will the logic district integrally, new logic community obtained be merged afterwards, jointly judge with other logic district again, determine whether to need new logic community and other logic district to merge.
The method of a kind of cell combining that the embodiment of the present invention provides, the Neighboring Cell List corresponding according to the target logic community obtained, handover failure rate in the set of cells that acquisition target logic community and neighbor logic community form between every two logic district, and determine that two logic district that handover failure rate is greater than the first thresholding are community pair to be combined, obtain the resource utilization that community to be combined is right afterwards, and in the resident situation of Preset Time internal object terminal, and when the resource utilization that community to be combined is right is less than the 4th thresholding, according to resident situation, generate the belonging relation of target terminal and centering logic district, community to be combined, determine RRU couple, merge the RRU couple that RRU centering correlation is the highest afterwards, to complete the right merging in community to be combined.Wherein, Neighboring Cell List comprises all neighbor logic communities of carrying out cell merge in Preset Time with target logic community, resident situation for representing the logic district that target terminal is resident in Preset Time, RRU to the RRU comprising the RRU composition that two have a correlation to the RRU couple of RRU composition with two without correlation.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 merged afterwards, the present invention can according to the handover failure rate of logic district, resource utilization, and the resident situation of target terminal, determine RRU couple, and merge the highest RRU couple of RRU centering correlation, to complete the right merging in community to be combined.Avoid at substantial human and material resources to determine the distribution situation of user, and the follow-up distribution situation according to user merges to logic district.Therefore, in the best community to be combined of selection to when merging, 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 combining, and as shown in Figure 5, this device 20 comprises:
Acquisition module 21, for obtaining Neighboring Cell List corresponding to target logic community, Neighboring Cell List comprises all neighbor logic communities of carrying out cell merge in Preset Time with target logic community.
Acquisition module 21, also for obtaining the handover failure rate in set of cells that target logic community and neighbor logic community form between every two logic district.
Determination module 22, for determining that two logic district that handover failure rate is greater than the first thresholding are community pair to be combined.
Acquisition module 21, also for obtaining the right resource utilization in community to be combined, and in the resident situation of Preset Time internal object terminal, resident situation is for representing the logic district that target terminal is resident in Preset Time.
Determination module 22, also for the resource utilization right according to community to be combined, and resident situation, determine to meet pre-conditioned community to be combined to merging.
In an implementation of the embodiment of the present invention, acquisition module 21, also carries out the handoff failure number of times of cell merge for obtaining target logic community and neighbor logic community.
Acquisition module 21, also for when handoff failure number of times is greater than the second thresholding, obtains the resource utilization of target logic community.
Acquisition module 21, also for when the resource utilization of target logic community is less than the 3rd thresholding, performs step and obtains Neighboring Cell List corresponding to target logic community.
In an implementation of the embodiment of the present invention, determination module 22, when being less than the 4th thresholding specifically for the resource utilization right when community to be combined, according to resident situation, generates the belonging relation of target terminal and centering logic district, community to be combined;
According to belonging relation, determine remote radio unit (RRU) 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;
Merge the RRU couple that RRU centering correlation is the highest, to complete the right merging in community to be combined.
The device of a kind of cell combining that the embodiment of the present invention provides, the Neighboring Cell List corresponding according to the target logic community obtained, handover failure rate in the set of cells that acquisition target logic community and neighbor logic community form between every two logic district, and determine that two logic district that handover failure rate is greater than the first thresholding are community pair to be combined, obtain the resource utilization that community to be combined is right afterwards, and in the resident situation of Preset Time internal object terminal, and the resource utilization right according to community to be combined, and resident situation, determine to meet pre-conditioned community to be combined to merging.Wherein, Neighboring Cell List comprises all neighbor logic communities of carrying out cell merge in Preset Time with target logic community, and resident situation is for representing the logic district that target terminal is resident in Preset Time.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 merged afterwards, the present invention can according to the handover failure rate of logic district, resource utilization, and the resident situation of target terminal, merge meeting pre-conditioned logic district.Avoid at substantial human and material resources to determine the distribution situation of user, and the follow-up distribution situation according to user merges to 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 (6)
1. a method for cell combining, is characterized in that, described method comprises:
Obtain Neighboring Cell List corresponding to target logic community, described Neighboring Cell List comprises and allly in Preset Time, carries out the neighbor logic community of cell merge with described target logic community;
Obtain the handover failure rate between every two logic district in the set of cells that described target logic community and described neighbor logic community form;
Determine that two logic district that described handover failure rate is greater than the first thresholding are community pair to be combined;
Obtain the resource utilization that described community to be combined is right, and in the resident situation of described Preset Time internal object terminal, described resident situation is for representing the logic district that described target terminal is resident in described Preset Time;
The resource utilization right according to described community to be combined, and described resident situation, determine to meet pre-conditioned community to be combined to merging.
2. method according to claim 1, is characterized in that, before the Neighboring Cell List that described acquisition target logic community is corresponding, comprising:
Obtain the handoff failure number of times that cell merge is carried out in described target logic community and described neighbor logic community;
When described handoff failure number of times is greater than the second thresholding, obtain the resource utilization of described target logic community;
When the resource utilization of described target logic community is less than the 3rd thresholding, performs described step and obtain Neighboring Cell List corresponding to target logic community.
3. method according to claim 1 and 2, is characterized in that, the described resource utilization right according to described community to be combined, and described resident situation, determining to meet pre-conditioned community to be combined to merging, comprising:
When the resource utilization that described community to be combined is right is less than the 4th thresholding, according to described resident situation, generate the belonging relation of described target terminal and centering logic district, described community to be combined;
According to described belonging relation, determine remote radio unit (RRU) 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;
Merge the RRU couple that described RRU centering correlation is the highest, to complete the right merging in community to be combined.
4. a device for cell combining, is characterized in that, described device comprises:
Acquisition module, for obtaining Neighboring Cell List corresponding to target logic community, described Neighboring Cell List comprises and allly in Preset Time, carries out the neighbor logic community of cell merge with described target logic community;
Described acquisition module, also for obtaining the handover failure rate in set of cells that described target logic community and described neighbor logic community form between every two logic district;
Determination module, for determining that two logic district that described handover failure rate is greater than the first thresholding are community pair to be combined;
Described acquisition module, also for obtaining the right resource utilization in described community to be combined, and in the resident situation of described Preset Time internal object terminal, described resident situation is for representing the logic district that described target terminal is resident in described Preset Time;
Described determination module, also for the resource utilization right according to described community to be combined, and described resident situation, determine to meet pre-conditioned community to be combined to merging.
5. device according to claim 4, is characterized in that, described acquisition module, also carries out the handoff failure number of times of cell merge for obtaining described target logic community and described neighbor logic community;
Described acquisition module, also for when described handoff failure number of times is greater than the second thresholding, obtains the resource utilization of described target logic community;
Described acquisition module, also for when the resource utilization of described target logic community is less than the 3rd thresholding, performs described step and obtains Neighboring Cell List corresponding to target logic community.
6. the device according to claim 4 or 5, it is characterized in that, described determination module, when being less than the 4th thresholding specifically for the resource utilization right when described community to be combined, according to described resident situation, generate the belonging relation of described target terminal and centering logic district, described community to be combined;
According to described belonging relation, determine remote radio unit (RRU) 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;
Merge the RRU couple that described RRU centering correlation is the highest, to complete the right merging in community to be combined.
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