CN103916868A - Location area optimization method and system - Google Patents
Location area optimization method and system Download PDFInfo
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- CN103916868A CN103916868A CN201210595141.3A CN201210595141A CN103916868A CN 103916868 A CN103916868 A CN 103916868A CN 201210595141 A CN201210595141 A CN 201210595141A CN 103916868 A CN103916868 A CN 103916868A
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Abstract
The invention provides a location area optimization method and system. The location area optimization method comprises the following steps: carrying out segmentation with dimension-preset grids on a mobile network coverage area which is divided into a plurality of location areas, and detecting confidence degree of each grid and searching target grids based on the confidence degree; and searching target grid groups and obtaining mobile station position update times carried out in location areas contained by the target grids in the target grid groups, and identifying the target grid groups of which the mobile station position update times surpass load threshold as reasonable areas. Through the location area optimization method and system, the location area can be optimized effectively, the network performance of the mobile network coverage area is improved, and the network load is reduced.
Description
Technical field
The present invention relates to moving communicating field, refer to especially a kind of lane place optimization method and system.
Background technology
Along with mobile network's development at full speed, mobile subscriber is also increasing sharply day by day.Rapidly increase user, telephone traffic is constantly increase in the situation that, quality and user awareness that mobile network signals covers seem particularly important.In mobile communication system, Location Area Code (Location Area Code, LAC) management is an important component part of travelling carriage mobile management.Thereby, promoting greatly the constantly perfect of mobile network's area of coverage most, LAC optimizes the attention that is also more and more subject to carrier network optimization.
But, upgrade, save the aspect of grid load from reducing travelling carriage lane place and say, what lane place arranged is the bigger the better, but thus, will produce the excessive systemic breakdown that causes of offered load.
At present, carry out LAC optimization means and tend to occur that optimization cycle is long, effect is difficult to embody at short notice.For example, a virtual LAC border is being set artificially, this upgrades position, and " ping-pong " region is helpful frequently, but less region is upgraded in frequent position, and effect is may not can too obvious.In addition, due to artificial expansion the border of LAC, and set overlapping LAC region, so also may increase to a certain extent the paging amount of each LAC, can significantly improve the paging amount of the whole network, but this scheme do not consider to trans-regional performance of handoffs, so balance, the load of whole network not necessarily reduces, and the lifting of the performance of whole network also becomes the unknown.
So, current be just badly in need of wanting a kind of can be in conjunction with actual geographic area situation, ensure that final adjustment can alleviate network load, improve the LAC prioritization scheme of network performance.
Summary of the invention
The technical problem to be solved in the present invention is to provide the method and system that a kind of LAC optimizes.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, provide a kind of lane place optimization method, comprising:
Division is had to the mobile network overlay area of some lane place, cut apart with the grid of preliminary dimension, detect the confidence level of each grid and search target grid according to described confidence level, wherein, the confidence level of described grid is the accounting of the lane place of accounting maximum in grid, and the confidence level of described target grid is less than the ratio that at least exists the quantity of the measurement report of two lane place and each lane place to account for the measurement report sum of described target grid in confidence level thresholding, described target grid and is greater than proportion threshold value;
Search target grid sets, the continuous target grid that described target grid sets has on horizontal and vertical is all greater than default number; Obtain in the lane place that in target grid sets, each target grid comprises the mobile station position update number of times occurring, the overload target grid sets of thresholding of mobile station position update number of times is identified as to unreasonable region.
Wherein, also comprise: detect the cross-location district switching times of the travelling carriage that accesses each base station in described unreasonable region and the switching times in the residing lane place of corresponding base station, search described cross-location district switching times and be greater than the target BS of the switching times in lane place and the target location district at described target BS place, obtain the handover request number of times of described target BS between the base station controller in described target location district, described target BS cutover is administered to the target base station controller of processing handover request least number of times.
Wherein, when the target BS in described unreasonable region is while being multiple, obtain the handover request number of times of each target BS between the base station controller in target location district separately, each target BS cutover is carried out to emulation to the processing of the target base station controller in target location district separately, and the cross-location district switching times producing after detection simulation and the switching times in the district of target location, and the cross-location district switching times of adjacent target base station group and the switching times in the district of target location, search the minimum target BS of obtained cross-location district switching times switching times minimum and in the district of target location or target BS group cutover to respective objects base station controller.
Wherein, detect the cross-location district switching times of the travelling carriage that accesses each base station in described unreasonable region and the switching times in the residing lane place of corresponding base station, search described cross-location district switching times and be greater than the target BS of the switching times in lane place and the target location district at described target BS place, further comprise:
Detect the cross-location district switching times of the travelling carriage that accesses each base station in described unreasonable region and the switching times in the residing lane place of corresponding base station;
Obtain the amount of movement of each base station in described unreasonable region, the amount of movement of described base station is the poor of switching times in cross-location district switching times and the described unreasonable lane place of travelling carriage of the described base station of access;
In described unreasonable region, search and there is amount of movement and be greater than zero target BS and the target location district at described target BS place.
Wherein, division is had to the mobile network overlay area of some lane place, cuts apart with the grid of preliminary dimension, further comprise:
Measurement report in described mobile network overlay area is positioned in cut apart corresponding grid;
Obtain each lane place in each grid, phase answer seizure ratio and each community and phase answer seizure ratio according to the measurement report in each grid.
Wherein, obtain the mobile station position update number of times in the lane place that in target grid sets, each target grid comprises, further comprise:
Gather the community comprising in each target grid in described target grid sets, after gathered community duplicate removal, thereby obtain the mobile station position update number of times in each community and gather the mobile station position update number of times that obtains target grid sets, the overload target grid sets of thresholding of mobile station position update number of times is identified as to unreasonable region, and determines described Nei community, unreasonable region and corresponding base station.
Wherein, described target BS cutover is administered to the target base station controller of processing handover request least number of times, is further comprised:
According to mobile network overlay area be positioned at the measurement report in each grid, detect described target BS cutover to the correction data after target base station controller, in the time that described correction data are in corresponding optimization threshold value, described target BS cutover is administered to the target base station controller of processing handover request least number of times; Wherein, described correction data comprise: the handover request number of times in the cross-location district switching times of travelling carriage and the lane place of described travelling carriage of the traffic load of the base station controller of the confidence level of described target BS place grid, the access of described target BS, the described target BS of access that described target BS is received.
On the other hand, provide a kind of lane place optimization system, it is characterized in that, comprising:
Configuration module, for division being had to the mobile network overlay area of some lane place, cuts apart with the grid of preliminary dimension;
Detection module, search target grid for detection of the confidence level of each grid and according to described confidence level, wherein, the confidence level of described grid is the accounting of the lane place of accounting maximum in grid, and the confidence level of described target grid is less than the ratio that at least exists the quantity of the measurement report of two lane place and each lane place to account for the measurement report sum of described target grid in confidence level thresholding, described target grid and is greater than proportion threshold value;
Search module, for searching target grid sets, the continuous target grid that described target grid sets has on horizontal and vertical is all greater than default number;
Identification module, for obtaining the mobile station position update number of times in the lane place that the each target grid of target grid sets comprises, is identified as unreasonable region by the overload target grid sets of thresholding of mobile station position update number of times.
Wherein, also comprise:
Cutover module, for detection of accessing the cross-location district switching times of travelling carriage of each base station and the switching times in the residing lane place of corresponding base station in described unreasonable region, search described cross-location district switching times and be greater than the target BS of the switching times in lane place and the target location district at described target BS place, obtain the handover request number of times of described target BS between the base station controller in described target location district, described target BS cutover is administered to the target base station controller of processing handover request least number of times.
Wherein, described cutover module, also when being multiple when the target BS in described unreasonable region, obtain the handover request number of times of each target BS between the base station controller in target location district separately, each target BS cutover is carried out to emulation to the processing of the target base station controller in target location district separately, and the cross-location district switching times producing after detection simulation and the switching times in the district of target location, and the cross-location district switching times of adjacent target base station group and the switching times in the district of target location, search the minimum target BS of obtained cross-location district switching times switching times minimum and in the district of target location or target BS group cutover to respective objects base station controller.
Wherein, described cutover module, further comprises:
Change detection unit, for detection of accessing the cross-location district switching times of travelling carriage of each base station and the switching times in the residing lane place of corresponding base station in described unreasonable region;
Mobile acquiring unit, for obtaining the amount of movement of each base station, described unreasonable region, the amount of movement of described base station is the poor of switching times in cross-location district switching times and the described unreasonable lane place of travelling carriage of the described base station of access;
Target is searched unit, has amount of movement and is greater than zero target BS and the target location district at described target BS place for searching in described unreasonable region.
Wherein, described configuration module, be further used for measurement report in described mobile network overlay area to be positioned in cut apart corresponding grid, obtain each lane place in each grid, phase answer seizure ratio and each community and phase answer seizure ratio according to the measurement report in each grid.
Wherein, described identification module, be further used for gathering the community comprising in each target grid in described target grid sets, after gathered community duplicate removal, thereby obtain the mobile station position update number of times in each community and gather the mobile station position update number of times that obtains target grid sets, the overload target grid sets of thresholding of mobile station position update number of times is identified as to unreasonable region, and determines described Nei community, unreasonable region and corresponding base station.
Wherein, described cutover module, be further used for according to mobile network overlay area and be positioned at the measurement report in each grid, detect described target BS cutover to the correction data after target base station controller, in the time that described correction data are in corresponding optimization threshold value, described target BS cutover is administered to the target base station controller of processing handover request least number of times; Wherein, described correction data comprise: the handover request number of times in the cross-location district switching times of travelling carriage and the lane place of described travelling carriage of the traffic load of the base station controller of the confidence level of described target BS place grid, the access of described target BS, the described target BS of access that described target BS is received.
Embodiments of the invention have following beneficial effect:
In such scheme, the present invention is by the method for problem being assessed based on grid, as grid confidence level, the poor grid of confidence level, problem area is assessed and found to the concepts such as the poor grid sets of confidence level, and in conjunction with actual geographic area situation, so as to increasing angle and the mode of problem discover.
Based on this, the scheme evaluation that also utilizes amount of switched the base station of lane place adjustment to be carried out to iterative computation of the present invention; Also, before unreasonable lane place is adjusted, this adjustment scheme is carried out to recruitment evaluation, to ensure that final adjustment can alleviate network load, improve network performance.
Brief description of the drawings
Fig. 1 is the method flow diagram of the first embodiment of the present invention;
Fig. 2 is the method flow diagram of the second embodiment of the present invention;
Fig. 3 is the first schematic diagram of the embodiment of the present invention;
Fig. 4 is the method flow diagram of the third embodiment of the present invention;
Fig. 5 is the system configuration schematic diagram of the fourth embodiment of the present invention;
Fig. 6 is the system construction drawing schematic diagram of fifth embodiment of the invention.
Embodiment
For technical problem, technical scheme and advantage that embodiments of the invention will be solved are clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiments of the invention are for resource and the performance of the whole network of the unreasonable meeting loss of location area planning in prior art, and for example the risk that has increased handoff failure and call drop is switched in too much cross-location district, the perception of impact call; The increase that load, paging load are upgraded in position causes the channel resource of network in short supply, also can make MSC(Mobile Switching Center simultaneously, mobile switching centre) and BSC(Base Station Controller, base station controller) load the problem such as increase considerably, a kind of lane place optimization method and system are provided.
As shown in Figure 1, be the method flow diagram of the first embodiment of the present invention, in the present embodiment, a kind of lane place optimization method is proposed, be described as follows:
S101, division is had to the mobile network overlay area of some lane place, cut apart with the grid of preliminary dimension.
In the present embodiment, for step, S101 further comprises: measurement report in described mobile network overlay area is positioned in cut apart corresponding grid; Obtain each lane place in each grid, phase answer seizure ratio and each community and phase answer seizure ratio according to the measurement report in each grid.
S102, detect the confidence level of each grid and search target grid according to described confidence level; Wherein, the confidence level of described grid is the accounting of the lane place of accounting maximum in grid, and the confidence level of described target grid is less than the ratio that at least exists the quantity of the measurement report of two lane place and each lane place to account for the measurement report sum of described target grid in confidence level thresholding, described target grid and is greater than proportion threshold value.
S103, search target grid sets, the continuous target grid that described target grid sets has on horizontal and vertical is all greater than default number.
S104, obtain in the lane place that in target grid sets, each target grid comprises the mobile station position update number of times occurring, the overload target grid sets of thresholding of mobile station position update number of times is identified as to unreasonable region.
In the present embodiment, for step, S104 further comprises: gather the community comprising in each target grid in described target grid sets, after gathered community duplicate removal, thereby obtain the mobile station position update number of times in each community and gather the mobile station position update number of times that obtains target grid sets, the overload target grid sets of thresholding of mobile station position update number of times is identified as to unreasonable region, and determines described Nei community, unreasonable region and corresponding base station.
For step S101 to step S104 further with an application example explanation:
Mobile network overlay area is carried out to 100 × 100 grid division, form more fine-grained region and divide.Can utilize triangulation location that the measurement report of full mobile network overlay area is positioned in each grid, and count the first accounting lane place and the first accounting community of each grid, the second accounting lane place and the second accounting community, the 3rd accounting lane place and the 3rd accounting community etc.
Search the confidence level of each grid by above-mentioned statistics, as, in divided 100 × 100 grid, the accounting of the first accounting lane place of a grid is 67%, so, the accounting of the first accounting lane place 67% is exactly the confidence level of this grid.
By the confidence level of each grid is searched and is determined target grid, in a grid, when the confidence level (primary importance district accounting) of grid is less than 60%, and in the lane place existing in grid, to be more than or equal to 20% lane place be more than 2 to the ratio of the total measurement report number of measurement report number and grid, this grid is target grid, represents to exist in this grid region the covering of multiple lane place.Search target grid sets again, (now suppose that predetermined number is 5) when continuous target grid (having the grid of linking) in the time that horizontal and vertical number is all greater than 5 grids, the target grid array forming is just defined as a target grid sets.Described target grid sets is identified as to irrational region, and confirms the related cell and the base station that in irrational region, relate to.Through to the searching of grid confidence level, target grid, target grid sets, can effectively determine unreasonable lane place and navigate to corresponding base station.
S105, detect the cross-location district switching times of the travelling carriage that accesses each base station in described unreasonable region and the switching times in the residing lane place of corresponding base station; Search described cross-location district switching times and be greater than the target BS of the switching times in lane place and the target location district at described target BS place.
In the present embodiment, for step, S105 further comprises:
Detect the cross-location district switching times of the travelling carriage that accesses each base station in described unreasonable region and the switching times in the residing lane place of corresponding base station;
Obtain the amount of movement of each base station in described unreasonable region, the amount of movement of described base station is the poor of switching times in cross-location district switching times and the described unreasonable lane place of travelling carriage of the described base station of access;
In described unreasonable region, search and there is amount of movement and be greater than zero target BS and the target location district at described target BS place.
S106, obtain the handover request number of times of described target BS between the base station controller in described target location district, described target BS cutover is administered to the target base station controller of processing handover request least number of times.
For step S105 to step S106 can be further with an application example explanation:
Mobile network overlay area is carried out after grid division, find after its target grid sets, and find corresponding one or more base stations in target grid sets.And one or more base station is done as a whole, cutover is carried out in whole base station.
Add up respectively summation by accessing the cross-location district switching times in travelling carriage diverse location interval in unreasonable region of each base station and the switching times in a lane place in unreasonable region respectively, and calculate amount of movement.For example, the amount of movement of the first base station equals the handover request number of times in lane place that cross-location district handover request number of times between the lane place of the first base station in unreasonable region deducts the first place, base station.The amount of movement that characterizes travelling carriage and produce in lane place and between lane place with handover request number of times, has also characterized the more news of position of travelling carriage to a certain extent.
Add up amount of movement in each lane place in unreasonable region and be greater than zero base station and gather out, the target BS of adjusting as needs, the lane place at target BS place is as target location district.And decide base station cutover under the base station controller of handover request least number of times according to handover request number of times statistics between each base station controller under this target BS and target location district.
In the present embodiment, as shown in Figure 3, when having three stylobate stations in the base station controller BSC 1 under LAC1 (primary importance district, LAC1 has determined in target grid), it is base station BTS 1, base station BTS 2, base station BTS 3, works as BTS1, BTS2, in BTS3, the handover request number of times sending to BSC1 of BTS1 is too much, causes BSC1 to monitor busy, now needs BTS1 to adjust; The handover request least number of times that under LAC1, BSC3 receives before adjustment, detected, therefore can think that resource that BSC3 is available free and disposal ability take over the BTS1 that under LAC1, BSC1 controls, so just the BTS1 cutover of BSC1 control under LAC1 can be taken over to BSC3 under LAC1.As mentioned above, by utilizing target grid sets to find handover request number of times base station controller the most frequently, in the mode of adding up amount of movement, base station controller in unreasonable lane place is adjusted, can effectively be improved mobile network property, reduce traffic load amount.
As shown in Figure 2, be the method flow diagram of the second embodiment of the present invention, in the present embodiment, be to propose based on the first embodiment the method that many base stations are adjusted, comprising:
S201, detect target BS in unreasonable region and the target location district at described target BS place.
S202, while being multiple for the target BS in unreasonable region, obtain the handover request number of times of each target BS between the base station controller in target location district separately.
S203, each target BS cutover is carried out to emulation to the processing of the target base station controller in target location district separately, and the cross-location district switching times of the cross-location district switching times producing after detection simulation and the switching times in the district of target location and adjacent target base station group and the switching times in the district of target location.
S204, search the minimum target BS of obtained cross-location district switching times switching times minimum and in the district of target location or target BS group cutover to respective objects base station controller.
In the present embodiment, as shown in Figure 3, also have a kind of situation, when the base station BTS 1 under lane place LAC2 (having determined that lane place LAC2 is positioned at target grid sets 1), it is maximum that base station BTS 2 is the lower switching of base station controller BSC 2 control request number of times; So now, just need to adjust with the combination of various adjacent base stations respectively the each base station under BSC2, i.e. base station BTS 1, base station BTS 2 and BTS1-BTS2 base station group.Determine that in GSM net, lane place LAC3(has determined that lane place LAC3 is positioned at target grid sets 2) under the base station switching times that obtains of base station controller be minimum, just the base station or the base station group that cause the excessive load of LAC2 can be adjusted to the base station controller BSC 2 under LAC3 by the mode of emulation, thereby obtain three kinds of adjustment schemes: cutover base station BTS 1, cutover base station BTS 2 and cutover BTS1-BTS2 base station group.In three kinds of adjustment schemes of corresponding detection, the cross-location district switching times of the scheme of cutover BTS1-BTS2 base station group after cutover switching times minimum and in the district of target location is minimum, therefore selectes BTS1-BTS2 base station group cutover in LAC2 in dotted line frame is controlled to the base station controller BSC 2 under LAC3.The effective planned position of the method district proposing in the present embodiment has reached the effect that improves network performance.
As shown in Figure 4, be the method flow diagram of the third embodiment of the present invention, in the present embodiment, be the method that proposes target BS cutover based on the first embodiment, comprising:
S401, according to mobile network overlay area be positioned at the measurement report in each grid.
S402, detect described target BS cutover to the correction data after target base station controller, in the time that described correction data are in corresponding optimization threshold value, described target BS cutover is administered to the target base station controller of processing handover request least number of times.
Wherein, described correction data comprise: the handover request number of times in the cross-location district switching times of travelling carriage and the lane place of described travelling carriage of the traffic load of the base station controller of the confidence level of described target BS place grid, the access of described target BS, the described target BS of access that described target BS is received.
In the present embodiment, further be interpreted as: according to the measurement report in each grid, detect described target BS cutover to the correction data after target base station controller, in the time that described correction data are in corresponding optimization threshold value, described target BS cutover is administered to the target base station controller of processing handover request least number of times; Need to determine behind unreasonable lane place, distribute according to unreasonable lane place handover request time and measurement report, by the load of mobile services switching centre, grid confidence level and base station controller, carry out entirety with cross-location district handover request number of times, cross base station controller handover request number of times and add up.The base station controller that can ensure the adjusted unreasonable band of position is efficiently adjusted.
It should be noted that, when target grid sets is while being multiple, can determine some unreasonable regions, by the method processing of above embodiment, all can obtain one or more adjustment schemes for each unreasonable region.In the time selecting to carry out cutover for multiple adjustment schemes, need to exchange the execution sequence of perfect square case considers, and after previous adjustment scheme is carried out, an execution of adjusting scheme need to re-start on the whole as the correction of second and third embodiment, assessment, because may affect other adjustment scheme.
For instance, for target grid sets A and target grid sets B, carried out after the adjustment scheme of target grid sets A, the adjustment scheme of possible target grid sets B just without again carry out or target grid sets B in every load there is variation.Because the part community in target grid sets A can exist neighboring BS relationship with target grid sets B, between these communities, the cutover adjustment of base station can exert an influence mutually.Therefore change the order of adjustment scheme, also just changed the result of the scheme of adjusting, utilize second and third embodiment to obtain best scheme.
As shown in Figure 5, be the method flow diagram of the fourth embodiment of the present invention, in the present embodiment, a kind of lane place optimization system is proposed, be described as follows:
Configuration module 501, for division being had to the mobile network overlay area of some lane place, cuts apart with the grid of preliminary dimension.
In the present embodiment, described configuration module 501, be further used for measurement report in described mobile network overlay area to be positioned in cut apart corresponding grid, obtain each lane place in each grid, phase answer seizure ratio and each community and phase answer seizure ratio according to the measurement report in each grid.
Detection module 502, search target grid for detection of the confidence level of each grid and according to described confidence level, wherein, the confidence level of described grid is the accounting of the lane place of accounting maximum in grid, and the confidence level of described target grid is less than the ratio that at least exists the quantity of the measurement report of two lane place and each lane place to account for the measurement report sum of described target grid in confidence level thresholding, described target grid and is greater than proportion threshold value.
Search module 503, for searching target grid sets, the continuous target grid that described target grid sets has on horizontal and vertical is all greater than default number.
Identification module 504, for obtaining the mobile station position update number of times in the lane place that the each target grid of target grid sets comprises, is identified as unreasonable region by the overload target grid sets of thresholding of mobile station position update number of times.
In the present embodiment, described identification module 504, be further used for gathering the community comprising in each target grid in described target grid sets, after gathered community duplicate removal, thereby obtain the mobile station position update number of times in each community and gather the mobile station position update number of times that obtains target grid sets, the overload target grid sets of thresholding of mobile station position update number of times is identified as to unreasonable region, and determines described Nei community, unreasonable region and corresponding base station.
Cutover module 505, for detection of accessing the cross-location district switching times of travelling carriage of each base station and the switching times in the residing lane place of corresponding base station in described unreasonable region, search described cross-location district switching times and be greater than the target BS of the switching times in lane place and the target location district at described target BS place, obtain the handover request number of times of described target BS between the base station controller in described target location district, described target BS cutover is administered to the target base station controller of processing handover request least number of times.
In the present embodiment, described cutover module 505, also when being multiple when the target BS in described unreasonable region, obtain the handover request number of times of each target BS between the base station controller in target location district separately, each target BS cutover is carried out to emulation to the processing of the target base station controller in target location district separately, and the cross-location district switching times producing after detection simulation and the switching times in the district of target location, and the cross-location district switching times of adjacent target base station group and the switching times in the district of target location, search the minimum target BS of obtained cross-location district switching times switching times minimum and in the district of target location or target BS group cutover to respective objects base station controller, and described cutover module 505, be further used for according to mobile network overlay area and be positioned at the measurement report in each grid, detect described target BS cutover to the correction data after target base station controller, in the time that described correction data are in corresponding optimization threshold value, described target BS cutover is administered to the target base station controller of processing handover request least number of times, wherein, described correction data comprise: the handover request number of times in the cross-location district switching times of travelling carriage and the lane place of described travelling carriage of the traffic load of the base station controller of the confidence level of described target BS place grid, the access of described target BS, the described target BS of access that described target BS is received.
As shown in Figure 6, in the embodiment of the present invention, described cutover module 505, also comprises:
Change detection unit 505-1, for detection of accessing the cross-location district switching times of travelling carriage of each base station and the switching times in the residing lane place of corresponding base station in described unreasonable region.
Mobile acquiring unit 505-2, for obtaining the amount of movement of each base station, described unreasonable region, the amount of movement of described base station is the poor of switching times in cross-location district switching times and the described unreasonable lane place of travelling carriage of the described base station of access.
Target is searched unit 505-3, has amount of movement and is greater than zero target BS and the target location district at described target BS place for searching in described unreasonable region.
In the embodiment of the present invention, detection module 502 obtains grid confidence level and target grid by the grid of dividing in configuration module 501, search module 503 and search target grid sets by detection module 502, then determined the unreasonable region of target grid sets identification by identification module 504.Finally, by cutover module 505, base station switching times corresponding to unreasonable region carried out to analytic statistics, laggard line position district optimizes by statistics.A kind of lane place optimization system proposed by the invention, can effectively solve mobile network's load excessive, the problems such as performance reduction.
In the each embodiment of the method for the present invention; the sequence number of described each step can not be used for limiting the sequencing of each step; for those of ordinary skill in the art, do not paying under the prerequisite of creative work, the priority of each step is changed also within protection scope of the present invention.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (14)
1. a lane place optimization method, is characterized in that, comprising:
Division is had to the mobile network overlay area of some lane place, cut apart with the grid of preliminary dimension, detect the confidence level of each grid and search target grid according to described confidence level, wherein, the confidence level of described grid is the accounting of the lane place of accounting maximum in grid, and the confidence level of described target grid is less than the ratio that at least exists the quantity of the measurement report of two lane place and each lane place to account for the measurement report sum of described target grid in confidence level thresholding, described target grid and is greater than proportion threshold value;
Search target grid sets, the continuous target grid that described target grid sets has on horizontal and vertical is all greater than default number; Obtain in the lane place that in target grid sets, each target grid comprises the mobile station position update number of times occurring, the overload target grid sets of thresholding of mobile station position update number of times is identified as to unreasonable region.
2. lane place as claimed in claim 1 optimization method, is characterized in that, also comprises:
Detect the cross-location district switching times of the travelling carriage that accesses each base station in described unreasonable region and the switching times in the residing lane place of corresponding base station, search described cross-location district switching times and be greater than the target BS of the switching times in lane place and the target location district at described target BS place, obtain the handover request number of times of described target BS between the base station controller in described target location district, described target BS cutover is administered to the target base station controller of processing handover request least number of times.
3. lane place as claimed in claim 2 optimization method, is characterized in that,
When the target BS in described unreasonable region is while being multiple, obtain the handover request number of times of each target BS between the base station controller in target location district separately, each target BS cutover is carried out to emulation to the processing of the target base station controller in target location district separately, and the cross-location district switching times producing after detection simulation and the switching times in the district of target location, and the cross-location district switching times of adjacent target base station group and the switching times in the district of target location, search the minimum target BS of obtained cross-location district switching times switching times minimum and in the district of target location or target BS group cutover to respective objects base station controller.
4. lane place as claimed in claim 2 optimization method, it is characterized in that, detect the cross-location district switching times of the travelling carriage that accesses each base station in described unreasonable region and the switching times in the residing lane place of corresponding base station, search described cross-location district switching times and be greater than the target BS of the switching times in lane place and the target location district at described target BS place, further comprise:
Detect the cross-location district switching times of the travelling carriage that accesses each base station in described unreasonable region and the switching times in the residing lane place of corresponding base station;
Obtain the amount of movement of each base station in described unreasonable region, the amount of movement of described base station is the poor of switching times in cross-location district switching times and the described unreasonable lane place of travelling carriage of the described base station of access;
In described unreasonable region, search and there is amount of movement and be greater than zero target BS and the target location district at described target BS place.
5. lane place as claimed in claim 1 optimization method, is characterized in that, division is had to the mobile network overlay area of some lane place, cuts apart with the grid of preliminary dimension, further comprises:
Measurement report in described mobile network overlay area is positioned in cut apart corresponding grid;
Obtain each lane place in each grid, phase answer seizure ratio and each community and phase answer seizure ratio according to the measurement report in each grid.
6. the lane place optimization method as described in claim 1 or 5, is characterized in that, obtains the mobile station position update number of times in the lane place that in target grid sets, each target grid comprises, and further comprises:
Gather the community comprising in each target grid in described target grid sets, after gathered community duplicate removal, thereby obtain the mobile station position update number of times in each community and gather the mobile station position update number of times that obtains target grid sets, the overload target grid sets of thresholding of mobile station position update number of times is identified as to unreasonable region, and determines described Nei community, unreasonable region and corresponding base station.
7. lane place as claimed in claim 2 optimization method, is characterized in that, described target BS cutover is administered to the target base station controller of processing handover request least number of times, further comprises:
According to mobile network overlay area be positioned at the measurement report in each grid, detect described target BS cutover to the correction data after target base station controller, in the time that described correction data are in corresponding optimization threshold value, described target BS cutover is administered to the target base station controller of processing handover request least number of times; Wherein, described correction data comprise: the handover request number of times in the cross-location district switching times of travelling carriage and the lane place of described travelling carriage of the traffic load of the base station controller of the confidence level of described target BS place grid, the access of described target BS, the described target BS of access that described target BS is received.
8. a lane place optimization system, is characterized in that, comprising:
Configuration module, for division being had to the mobile network overlay area of some lane place, cuts apart with the grid of preliminary dimension;
Detection module, search target grid for detection of the confidence level of each grid and according to described confidence level, wherein, the confidence level of described grid is the accounting of the lane place of accounting maximum in grid, and the confidence level of described target grid is less than the ratio that at least exists the quantity of the measurement report of two lane place and each lane place to account for the measurement report sum of described target grid in confidence level thresholding, described target grid and is greater than proportion threshold value;
Search module, for searching target grid sets, the continuous target grid that described target grid sets has on horizontal and vertical is all greater than default number;
Identification module, for obtaining the mobile station position update number of times in the lane place that the each target grid of target grid sets comprises, is identified as unreasonable region by the overload target grid sets of thresholding of mobile station position update number of times.
9. lane place as claimed in claim 8 optimization system, is characterized in that, also comprises:
Cutover module, for detection of accessing the cross-location district switching times of travelling carriage of each base station and the switching times in the residing lane place of corresponding base station in described unreasonable region, search described cross-location district switching times and be greater than the target BS of the switching times in lane place and the target location district at described target BS place, obtain the handover request number of times of described target BS between the base station controller in described target location district, described target BS cutover is administered to the target base station controller of processing handover request least number of times.
10. lane place according to claim 9 optimization system, is characterized in that,
Described cutover module, also when being multiple when the target BS in described unreasonable region, obtain the handover request number of times of each target BS between the base station controller in target location district separately, each target BS cutover is carried out to emulation to the processing of the target base station controller in target location district separately, and the cross-location district switching times producing after detection simulation and the switching times in the district of target location, and the cross-location district switching times of adjacent target base station group and the switching times in the district of target location, search the minimum target BS of obtained cross-location district switching times switching times minimum and in the district of target location or target BS group cutover to respective objects base station controller.
11. lane place according to claim 9 optimization system, is characterized in that, described cutover module, further comprises:
Change detection unit, for detection of accessing the cross-location district switching times of travelling carriage of each base station and the switching times in the residing lane place of corresponding base station in described unreasonable region;
Mobile acquiring unit, for obtaining the amount of movement of each base station, described unreasonable region, the amount of movement of described base station is the poor of switching times in cross-location district switching times and the described unreasonable lane place of travelling carriage of the described base station of access;
Target is searched unit, has amount of movement and is greater than zero target BS and the target location district at described target BS place for searching in described unreasonable region.
12. lane place according to claim 8 optimization system, is characterized in that,
Described configuration module, is further used for measurement report in described mobile network overlay area to be positioned in cut apart corresponding grid, obtains each lane place in each grid, phase answer seizure ratio and each community and phase answer seizure ratio according to the measurement report in each grid.
13. lane place optimization system as described in claim 8 or 12, is characterized in that,
Described identification module, be further used for gathering the community comprising in each target grid in described target grid sets, after gathered community duplicate removal, thereby obtain the mobile station position update number of times in each community and gather the mobile station position update number of times that obtains target grid sets, the overload target grid sets of thresholding of mobile station position update number of times is identified as to unreasonable region, and determines described Nei community, unreasonable region and corresponding base station.
14. lane place as claimed in claim 9 optimization system, is characterized in that,
Described cutover module, be further used for according to mobile network overlay area and be positioned at the measurement report in each grid, detect described target BS cutover to the correction data after target base station controller, in the time that described correction data are in corresponding optimization threshold value, described target BS cutover is administered to the target base station controller of processing handover request least number of times; Wherein, described correction data comprise: the handover request number of times in the cross-location district switching times of travelling carriage and the lane place of described travelling carriage of the traffic load of the base station controller of the confidence level of described target BS place grid, the access of described target BS, the described target BS of access that described target BS is received.
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