CN106507390A - A kind of method and device of optimizing cells - Google Patents
A kind of method and device of optimizing cells Download PDFInfo
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- CN106507390A CN106507390A CN201610936007.3A CN201610936007A CN106507390A CN 106507390 A CN106507390 A CN 106507390A CN 201610936007 A CN201610936007 A CN 201610936007A CN 106507390 A CN106507390 A CN 106507390A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
Abstract
The invention discloses a kind of method of optimizing cells, is related to communication technical field, optimizing cells can be carried out more comprehensive and accurately.The method that the present invention is provided includes：Obtain network site and update CDR and switch data；CDR and switch data are updated according to network site, subdistrict position update times and the cell switching times of unique user are determined；According to subdistrict position update times and the cell switching times of each user, the frequent activities number of users in each cell is determined；Cell of the frequent activities number of users more than first threshold is defined as doubtful cell；From doubtful cell, determine flower arrangement station cell, fall cell and boundary adjustment cell after rise；Cell, falling cell and boundary adjustment cell that respectively fixed flower arrangement is stood is optimized.During the present invention is applied to optimizing cells.
Description
Technical field
A kind of the present invention relates to communication technical field, more particularly to method and device of optimizing cells.
Background technology
With the continuous development of business in recent years, the angle of optimization is progressively changed into user as leading from network for being oriented to
To.But, the construction of 4G networks, from 2G and 3G, core net is developed network to 2/3/4G combination networks altogether, the complexity of network structure
Change the difficulty that increased positioning problems and optimize.Wherein, LAC is exactly a key factor of the perception for affecting user.
LAC is location area code (Location Area Code), and it is divided into region one by one region and is administered, and moves
Dynamic platform reports current affiliated area by business and mobile management, meanwhile, mobile station paging is carried out in this region.Right
In LAC influence factor from many-side.For example, all of base station under the region is caused all to carry out under LAC settings are excessive
Paging, number of users excessively cause traffic load rise, congestion cannot paging to user.And for example, after 4G network designs, current
Speech business is fallen after rise using CSFB modes, if LAC regions can not be mated with TAC, is also resulted in after user is fallen after rise and is looked for not
Arrive, carry out frequent location updating, paging is even resulted in less than user.
At present for the optimization method of LAC is from network perspective, entered based on location updating number of times and cell weight
The screening of row matter difference cell, to determine unreasonable cell.But, as a small amount of user in cell boarder is when frequent mobile
Substantial amounts of location updating and handover request can be brought, and now, cell can provide good service for most users, should
Method cannot be judged to such case.Therefore, lack comprehensive and accurate optimizing cells scheme in prior art.
Content of the invention
Embodiments of the invention provide a kind of method and device of optimizing cells, can carry out more comprehensive and accurately little
Area optimizes.
For reaching above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
A kind of method of optimizing cells is embodiments provided, including：
Obtain network site and update CDR and switch data；
CDR and switch data are updated according to network site, determines that the subdistrict position update times and cell of unique user are cut
Change number of times；
According to subdistrict position update times and the cell switching times of each user, the frequent activities in each cell are determined
Number of users；
Cell of the frequent activities number of users more than first threshold is defined as doubtful cell；
From the doubtful cell, determine flower arrangement station cell, fall cell and boundary adjustment cell after rise；
Cell, falling cell and boundary adjustment cell that respectively fixed flower arrangement is stood is optimized.
The embodiment of the present invention additionally provides a kind of device of optimizing cells, including：
Acquiring unit, updates CDR and switch data for obtaining network site；
First determining unit, for updating CDR and switch data according to network site, determines the subdistrict position of unique user
Update times and cell switching times；
Second determining unit, for the subdistrict position update times according to each user and cell switching times, determines every
Frequent activities number of users in individual cell；
3rd determining unit, is defined as doubtful cell for the cell by frequent activities number of users more than first threshold；
4th determining unit, for from the doubtful cell, determining flower arrangement station cell, falling cell and boundary adjustment after rise
Cell；
Optimize unit, carry out for respectively fixed flower arrangement is stood cell, falling cell and boundary adjustment cell excellent
Change.
A kind of method and device of optimizing cells provided in an embodiment of the present invention, is doubted by the dimension screening from user
Like problem cells, the parameter for being based only upon cell itself of the prior art is different from, is simultaneous for dissimilar cell and enters respectively
Row judgement and optimization, effectively provide the comprehensive and accuracy of optimizing cells.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of method flow diagram of optimizing cells provided in an embodiment of the present invention；
Fig. 2 is a kind of composition frame chart of the device of optimizing cells provided in an embodiment of the present invention；
Fig. 3 is the composition frame chart of the device of another kind of optimizing cells provided in an embodiment of the present invention；
Fig. 4 is the composition frame chart of the device of another kind of optimizing cells provided in an embodiment of the present invention；
Fig. 5 is the composition frame chart of the device of another kind of optimizing cells provided in an embodiment of the present invention；
Fig. 6 is the composition frame chart of the device of another kind of optimizing cells provided in an embodiment of the present invention；
Fig. 7 is the composition frame chart of the device of another kind of optimizing cells provided in an embodiment of the present invention.
Specific embodiment
Accompanying drawing in below in conjunction with the embodiment of the present invention, to the embodiment of the present invention in technical scheme carry out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiment.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
A kind of method of optimizing cells is embodiments provided, as shown in figure 1, including：
101st, obtain network site and update CDR and switch data.
Wherein, network site updates CDR and switch data may include location updating time, LAI, cell, MSC, BSC/
RNC, access network type, location updating type, IMSI, telephone number, location updating state and reason etc..
102nd, CDR and switch data are updated according to network site, determines subdistrict position update times of unique user and little
Area's switching times.
Wherein, the determination method of the cell switching times of unique user is：For each user in cell i, unite respectively
Count switching times CountHandover_cell of each user in cell ii, switching times CountHandover_celliFor
The number of times summation of the cell switching participated in when cell i is as switching purpose cell and switching cell-of-origin.
Wherein, the determination method of the subdistrict position update times of unique user is for each user in cell i, difference
Statistics cell i location updating number of times CountLAU_celli.CountLAU_celliIncluding user carry out in 2G/3G networks across
Cell or the location updating event number for carrying out across LAC areas, and user carries out different network such as 4G and falls 3G network, 3G network after rise
The event number that location updating is updated to 2G network sites.
It should be noted that i is only a label, and it is not specific to a specific cell.
103rd, according to subdistrict position update times and the cell switching times of each user, determine frequent in each cell
Active user number.
Wherein, the determination method of the frequent activities number of users in each cell is following steps 1031 and 1032.
1031st, the subdistrict position update times of the unique user for having been got by step 102 and cell switching times,
In cell i, condition C ountLAU_Cell will be meti*WLAU,i+CountHandover_Celli*WHandover,i>The user of β, really
The frequent activities user being set in the i of single subdistrict.
The 1032nd, fixed all frequent activities user sums in cell i are defined as the frequent activities user of cell i
Number.
Wherein, CountLAU_Celli*WLAU,i+CountHandover_Celli*WHandover,i>In β this condition
CountLAU_Celli, CountHandover_CelliNeed to update corresponding to the subdistrict position of the same user in cell i secondary
Number and cell switching times, WLAU,i, WHandover,iRespectively in cell i, subdistrict position update times and cell switching times are each
Corresponding weight, β are the threshold value for distinguishing frequent activities user and non-frequent activities users, can rule of thumb or actual field
Scape needs to be configured, and i is cell number.
104th, the cell by frequent activities number of users more than first threshold is defined as doubtful cell.
Wherein, first threshold can be configured according to practical situation, and the embodiment of the present invention is not particularly limited to this.
105th, from the doubtful cell, determine flower arrangement station cell, fall cell and boundary adjustment cell after rise.
Wherein, flower arrangement station cell determining method is as shown in step a1051 to a1053.
A1051, the neighbor cell list on the cell geography dimensionality is obtained according to the geographical location information of doubtful cell.
A1052, the handover success data from doubtful cell, determine the Neighboring Cell List of doubtful cell actual disposition, and from little
Determine in area's handoff failure data that incision cuts out cell pair.
A1053, the Neighboring Cell List by above-mentioned geography dimensionality cell list with determination from handover success data are compared, if
List information is different, or certain cell of handoff failure is to being more than the 3rd threshold value, then be flower arrangement station cell.
Wherein, falling cell determining method is as shown in step b1051 and b1052.
B1051, CDR, switch data and call data are updated according to network site, obtain switching times, calling in cell i
Number of times and location updating number of times.
Wherein, it is CountHandover_cell that cell-of-origin switches to the number of times that purpose cell is 2G networks for 3G networki.
It should be noted that the determination method of subdistrict position update times is for each user in cell i, unite respectively
Meter cell i location updating number of times CountLAU_celli, CountLAU_celliOccur by 3G network location updating extremely including user
The event number that 2G network sites update.
It should be noted that cell call number of times includes caller number of times with called number of times, CountCall_celli=
CountCM_celli+CountPaging_celli, CountCM_celliThe secondary of voice service request message is initiated for cell i
Number；CountPaging_celliFor the number of times that cell i feeds back page-response message.
It should be noted that i is only a label, and it is not specific to a specific cell.
Temporal summation Time_cell needed for all users are fallen after rise in b1052, acquisition cell ii.
Wherein, user is fallen after rise and refers to its network site by 3G location updatings to 2G positions.Therefore, the falling time needs to count
User is under business state, when network site is switched to the falling of each position handover event record of 2G positions by 3G positions
Between, and user in Idle state lower network position by 3G location updatings to 2G for position each location updating logout
The falling time, it should be added that, if continuously have switched multiple cells from user in switching or renewal process just returned
Return 3G, then now need to switch 2G or 2G location updatings according to 2G to obtain residence time of the user in each cell.
B1052, according to cost function Cost_celli, calculate cell i and fall performance cost after rise.
Wherein, Cost_celli=(PCountHandover_celli*WC+PCountLAU_celli*WF)WN+Time_
celli*WT,
PCountHandover_Celli=CountHandover_Celli/CountCall_celli,
PCountLAU_celli=CountLAU_Celli/CountToTalLAU_celli, CountToTalLAU_
celliFor the event number of 3G location updatings and 2G location updatings in cell i, WcFor the falling weight under business state, WFFor sky
The falling weight of not busy state, Wc+WF=1.WnFor falling number of times weight, W after risetFor duration weight.
B2053, the cell by falling performance cost higher than Second Threshold are defined as falling cell.
Wherein, Second Threshold can be configured according to practical situation, and the embodiment of the present invention is not particularly limited to this.
Falling cell determining method is as shown in step c105.
C105, by eliminate in doubtful cell flower arrangement station cell and fall after rise cell cell be defined as boundary adjustment cell.
106th, cell, falling cell and the boundary adjustment cell of respectively fixed flower arrangement being stood is optimized.
For the prioritization scheme of flower arrangement station cell can include：Advise little to flower arrangement station to the portfolio for combining peripheral cell
Area carries out cutover, and mates cell static data with Neighboring Cell List is generated simultaneously, and redundant data suggestion is cleared up.
For the prioritization scheme for falling cell after rise can include：Wireless signal intensity and deflection etc. is adjusted, or is passed through
Increase site carries out coupling again.
For the prioritization scheme of boundary adjustment cell can include：
S1 is it needs to be determined that Euclidean distance between boundary adjustment cell and adjacent base station, and the most short and small area of selected distance.
S2, load and the corresponding LAC loading of extracting boundary adjustment cell and the most short and small area of the distance, statistics cell
Speech business number of times, note number of times, according to the load value that traffic model calculates individual event.
S3：If the base station of boundary adjustment cell is moved in the most short and small area of the distance, calculate every within after moving into
Whether related service increase after and index can be born.If conformance with standard is adjusted, such as certain cell boarder is in portfolio
Larger location, and the cell business volume of periphery is less, by the load of the moving equilibrium this area on border.Otherwise do not list industry in
Business adjustment category.
S4：Compare not across the principle of LAI according to the TAC areas of 4G.
S5：The principle of optimization is compareed after optimization, including：
1) border avoids being arranged on the very big region of the telephone traffics such as bustling urban district；
2) border is arranged to the state of or oblique vertical with road as far as possible；
3) boundary in several position areas is avoided to be located at the situation in same smaller area；
A kind of method of optimizing cells provided in an embodiment of the present invention, screens doubtful problem by the dimension from user
Cell, is different from the parameter for being based only upon cell itself of the prior art, is simultaneous for dissimilar cell and is judged respectively
And optimization, effectively provide the comprehensive and accuracy of optimizing cells.
The embodiment of the present invention additionally provides a kind of device of optimizing cells, in order to realize aforementioned approaches method flow process, its structure
As shown in Fig. 2 including：
Acquiring unit 21, updates CDR and switch data for obtaining network site.
First determining unit 22, for updating CDR and switch data according to network site, determines the little position of unique user
Put update times and cell switching times.
Second determining unit 23, for the subdistrict position update times according to each user and cell switching times, determines
Frequent activities number of users in each cell.
3rd determining unit 24, is defined as doubtful cell for the cell by frequent activities number of users more than first threshold.
4th determining unit 25 is little for from doubtful cell, determining flower arrangement station cell, falling cell and boundary adjustment
Area.
Optimize unit 26, carry out for respectively fixed flower arrangement is stood cell, falling cell and boundary adjustment cell
Optimize.
Optionally, as shown in figure 3, second determining unit 23 includes：
First statistical module 231, for for each user in cell i, counting each user respectively in cell i
Switching times CountHandover_celli, switching times CountHandover_celliBe cell i as switching purpose cell
The number of times summation of the cell switching participated in during with switching cell-of-origin.
Second statistical module 232, for for each user in cell i, counting each user respectively in cell i
Location updating number of times CountLAU_celli, CountLAU_celliCarry out across cell or enter in 2G/3G networks including user
The event number of the location updating in Hang Kua LAC areas, and user carries out the event number of the location updating of different network, different network bag
Include but be not limited to 4G 3G network, 3G network location updating is fallen after rise to 2G networks.
Optionally, as shown in figure 4, the 3rd determining unit 24 includes：
First determining module 241, for, in cell i, meeting condition C ountLAU_Celli*WLAU,i+
CountHandover_Celli*WHandover,i>The user of β, the frequent activities user being defined as in the i of single subdistrict.
Second determining module 242, for being defined as cell i by fixed all frequent activities user sums in cell i
Frequent activities number of users.
Wherein, CountLAU_Celli, CountHandover_CelliRespectively corresponding to same user's in cell i
Subdistrict position update times and cell switching times, WLAU,i, WHandover,iSubdistrict position update times and little respectively in cell i
The each self-corresponding weight of area's switching times, β are the threshold value for distinguishing frequent activities user and non-frequent activities users, and i is little
Number in area.
Optionally, as shown in figure 5, the 4th determining unit 25 includes：
First acquisition module 251, for obtaining doubtful cell geography dimensionality according to the geographical location information of doubtful cell
Neighbor cell list.
3rd determining module 252, for the handover success data from doubtful cell, determines the neighbour of doubtful cell actual disposition
Area's list, and determine that incision cuts out cell pair from cell handoff failure data.
4th determining module 253, different from the information of Neighboring Cell List for working as neighbor cell list, or cut out little
Area is to during more than three threshold values, it is determined that doubtful cell is flower arrangement station cell.
Optionally, as shown in fig. 6, the 4th determining unit 25 also includes：
5th determining module 254, falls number of times after rise for determining, falling number of times after rise includes that switching falls number of times after rise and Idle state is moved
Dynamic location updating number of times.
Second acquisition module 255, falls required temporal summation Time_cell after rise for obtaining all users in cell ii；
Computing module 256, for according to function Cost_celli=(PCountHandover_celli*WC+
PCountLAU_celli*WF)WN+Time_celli*WT, calculate cell i and fall performance cost after rise；
Wherein, PCountHandover_Celli=CountHandover_Celli/CountCall_celli
The CountHandover_CelliNumber of times, the CountCall_cell is fallen after rise for switchingiFor the number of calls, institute
Stating the number of calls includes caller number of times with called number of times, CountCall_celli=CountCM_celli+CountPaging_
celli, CountCM_celliFor the number of times that cell i initiates voice service request message；CountPaging_celliFor cell i
The number of times of feedback page-response message；
PCountLAU_celli=CountLAU_Celli/CountToTalLAU_celli, CountToTalLAU_
celliFor the event number of 3G location updatings and 2G location updatings in cell i, WcFor the falling weight under business state, WFFor sky
The falling weight of not busy state, Wc+WF=1.WnFor falling number of times weight, W after risetFor duration weight；
6th determining module 257, is defined as falling cell after rise for will fall cell of the performance cost higher than Second Threshold after rise.
Optionally, as shown in fig. 7, the 4th determining unit 25 also includes：
7th determining module 258, for the cell for excluding flower arrangement station cell and falling cell in doubtful cell to be defined as
Boundary adjustment cell.
A kind of device of optimizing cells provided in an embodiment of the present invention, screens doubtful problem by the dimension from user
Cell, is different from the parameter for being based only upon cell itself of the prior art, is simultaneous for dissimilar cell and is judged respectively
And optimization, effectively provide the comprehensive and accuracy of optimizing cells.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be borrowed
Software is helped to add the mode of required common hardware to realize, naturally it is also possible to which by hardware, but the former is more preferably in many cases
Embodiment.Such understanding, the portion that technical scheme is substantially contributed in other words is based on to prior art
Divide and can be embodied in the form of software product, the computer software product is stored in the storage medium that can read, such as count
The floppy disk of calculation machine, hard disk or CD etc., use including some instructions so that computer equipment (can be personal computer,
Server, or the network equipment etc.) execute method described in each embodiment of the invention.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (12)
1. a kind of method of optimizing cells, it is characterised in that include：
Obtain network site and update CDR and switch data；
CDR and switch data are updated according to network site, the subdistrict position update times and cell switching time of unique user is determined
Number；
According to subdistrict position update times and the cell switching times of each user, the frequent activities user in each cell is determined
Number；
Cell of the frequent activities number of users more than first threshold is defined as doubtful cell；
From the doubtful cell, determine flower arrangement station cell, fall cell and boundary adjustment cell after rise；
Cell, falling cell and boundary adjustment cell that respectively fixed flower arrangement is stood is optimized.
2. method according to claim 1, it is characterised in that described CDR and switch data are updated according to network site, really
The subdistrict position update times and cell switching times for determining unique user include：
For each user in cell i, the switching times of each user in the cell i are counted respectively
CountHandover_celli, the switching times CountHandover_celliBe the cell i as switching purpose cell
The number of times summation of the cell switching participated in during with switching cell-of-origin；
For each user in cell i, the location updating number of times of each user in the cell i is counted respectively
CountLAU_celli, the CountLAU_celliCarry out in 2G/3G networks across cell including user or carry out across LAC
The event number of the location updating in area, and user carries out the event number of the location updating of different network, the different network includes
But be not limited to 4G 3G network, 3G network location updating is fallen after rise to 2G networks.
3. method according to claim 2, it is characterised in that the subdistrict position update times according to each user and
Cell switching times, determine that the frequent activities number of users in each cell includes：
In cell i, condition C ountLAU_Cell will be meti*WLAU,i+CountHandover_Celli*WHandover,i>The use of β
Family, the frequent activities user being defined as in the i of single subdistrict；
The frequent activities number of users that fixed all frequent activities user sums in cell i are defined as cell i；
Wherein, CountLAU_Celli, CountHandover_CelliThe cell of same user is respectively corresponded in cell i
Location updating number of times and cell switching times, WLAU,i, WHandover,iRespectively in cell i, subdistrict position update times and cell are cut
Change each self-corresponding weight of number of times, β is the threshold value for distinguishing frequent activities user and non-frequent activities users, and i is that cell is compiled
Number.
4. method according to claim 3, it is characterised in that described from the doubtful cell, determines flower arrangement station cell
Including：
Neighbor cell list on the doubtful cell geography dimensionality is obtained according to the geographical location information of the doubtful cell；
From the handover success data of the doubtful cell, the Neighboring Cell List of the doubtful cell actual disposition is determined, and from cell
Determine in handoff failure data that incision cuts out cell pair；
When the neighbor cell list is different from the information of the Neighboring Cell List, or the cell that cuts out is to more than the 3rd
During threshold value, it is determined that the doubtful cell is flower arrangement station cell.
5. method according to claim 4, it is characterised in that from the doubtful cell, determines that falling cell after rise includes：
Determine and fall number of times after rise, the falling number of times includes that switching falls number of times and Idle state shift position update times after rise；
Obtain the temporal summation Time_cell needed for all users are fallen after rise in cell ii；
According to function Cost_celli=(PCountHandover_celli*WC+PCountLAU_celli*WF)WN+Time_
celli*WT, calculate cell i and fall performance cost after rise；
Wherein, PCountHandover_Celli=CountHandover_Celli/CountCall_celli
The CountHandover_CelliNumber of times, the CountCall_cell is fallen after rise for switchingiFor the number of calls, described exhale
Number of times is made to include caller number of times with called number of times, CountCall_celli=CountCM_celli+CountPaging_celli,
CountCM_celliFor the number of times that cell i initiates voice service request message；CountPaging_celliSeek for cell i feedback
Exhale the number of times of response message；
PCountLAU_celli=CountLAU_Celli/CountToTalLAU_celli, CountToTalLAU_celliFor little
The event number of 3G location updatings and 2G location updatings, W in area icFor the falling weight under business state, WFReturning for Idle state
Fall weight, Wc+WF=1.WnFor falling number of times weight, W after risetFor duration weight；
Cell of the performance cost higher than Second Threshold will be fallen after rise to be defined as falling cell after rise.
6. method according to claim 5, it is characterised in that from the doubtful cell, determine boundary adjustment cell bag
Include：
The cell for excluding flower arrangement station cell in doubtful cell and fall after rise cell is defined as boundary adjustment cell.
7. a kind of device of optimizing cells, it is characterised in that include：
Acquiring unit, updates CDR and switch data for obtaining network site；
First determining unit, for updating CDR and switch data according to network site, determines that the subdistrict position of unique user updates
Number of times and cell switching times；
Second determining unit, for the subdistrict position update times according to each user and cell switching times, determines that each is little
Frequent activities number of users in area；
3rd determining unit, is defined as doubtful cell for the cell by frequent activities number of users more than first threshold；
4th determining unit is little for from the doubtful cell, determining flower arrangement station cell, falling cell and boundary adjustment
Area；
Optimize unit, be optimized for respectively fixed flower arrangement is stood cell, falling cell and boundary adjustment cell.
8. device according to claim 7, it is characterised in that second determining unit includes：
First statistical module, for for each user in cell i, counting each user cutting in cell i respectively
Change number of times CountHandover_celli, the switching times CountHandover_celliLittle as switching purpose for cell i
The number of times summation of the cell switching participated in when area and switching cell-of-origin；
Second statistical module, for for each user in cell i, counting the position of each user in cell i respectively
Put update times CountLAU_celli, the CountLAU_celliCarry out in 2G/3G networks across cell including user or
The event number of the location updating across LAC areas is carried out, and user carries out the event number of the location updating of different network, described different
Network includes but is not limited to 4G and falls 3G network, 3G network location updating after rise to 2G networks.
9. the device that is stated according to claim 8, it is characterised in that the 3rd determining unit includes：
First determining module, for, in cell i, meeting condition C ountLAU_Celli*WLAU,i+CountHandover_
Celli*WHandover,i>The user of β, the frequent activities user being defined as in the i of single subdistrict；
Second determining module, for fixed all frequent activities user sums in cell i to be defined as the frequent work of cell i
Employ amount；
Wherein, CountLAU_Celli, CountHandover_CelliThe cell of same user is respectively corresponded in cell i
Location updating number of times and cell switching times, WLAU,i, WHandover,iRespectively in cell i, subdistrict position update times and cell are cut
Change each self-corresponding weight of number of times, β is the threshold value for distinguishing frequent activities user and non-frequent activities users, and i is that cell is compiled
Number.
10. device according to claim 9, it is characterised in that the 4th determining unit includes：
First acquisition module, for obtaining the doubtful cell geography dimensionality according to the geographical location information of the doubtful cell
Neighbor cell list；
3rd determining module, for the handover success data from the doubtful cell, determines the doubtful cell actual disposition
Neighboring Cell List, and determine that incision cuts out cell pair from cell handoff failure data；
4th determining module, different from the information of the Neighboring Cell List for working as the neighbor cell list, or the incision
Cell is cut out to during more than three threshold values, it is determined that the doubtful cell is flower arrangement station cell.
11. devices according to claim 10, it is characterised in that the 4th determining unit also includes：
5th determining module, falls number of times after rise for determining, the falling number of times includes that switching falls number of times and Idle state movement after rise
Location updating number of times；
Second acquisition module, falls required temporal summation Time_cell after rise for obtaining all users in cell ii；
Computing module, for according to function Cost_celli=(PCountHandover_celli*WC+PCountLAU_celli*
WF)WN+Time_celli*WT, calculate cell i and fall performance cost after rise；
Wherein, PCountHandover_Celli=CountHandover_Celli/CountCall_celli
The CountHandover_CelliNumber of times, the CountCall_cell is fallen after rise for switchingiFor the number of calls, described exhale
Number of times is made to include caller number of times with called number of times, CountCall_celli=CountCM_celli+CountPaging_celli,
CountCM_celliFor the number of times that cell i initiates voice service request message；CountPaging_celliSeek for cell i feedback
Exhale the number of times of response message；
PCountLAU_celli=CountLAU_Celli/CountToTalLAU_celli, CountToTalLAU_celliFor little
The event number of 3G location updatings and 2G location updatings, W in area icFor the falling weight under business state, WFReturning for Idle state
Fall weight, Wc+WF=1.WnFor falling number of times weight, W after risetFor duration weight；
6th determining module, is defined as falling cell after rise for will fall cell of the performance cost higher than Second Threshold after rise.
12. devices according to claim 11, it is characterised in that the 4th determining unit also includes：
7th determining module, for being defined as boundary adjustment by the cell for excluding flower arrangement station cell and falling cell in doubtful cell
Cell.
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