CN108632913A - Based on the NCS adjacent areas the LTE-GSM check methods measured and system - Google Patents
Based on the NCS adjacent areas the LTE-GSM check methods measured and system Download PDFInfo
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- CN108632913A CN108632913A CN201710158117.6A CN201710158117A CN108632913A CN 108632913 A CN108632913 A CN 108632913A CN 201710158117 A CN201710158117 A CN 201710158117A CN 108632913 A CN108632913 A CN 108632913A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W36/08—Reselecting an access point
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Abstract
The present invention provides a kind of LTE GSM adjacent area check methods measured based on NCS and system, the method includes：GSM cell work ginseng in LTE cell works ginseng and the first preset range is obtained, is calculated using relevance algorithms, obtains the GSM cell with LTE cell strongest correlations；The frequency point information of GSM cell in the second preset range is obtained, the second preset range is centered on the GSM cell with LTE cell strongest correlations, using pre-determined distance as the range of radius；The first neighboring cell list is obtained using adjacent area selection strategy according to the frequency point information；Using the first neighboring cell list as neighboring cell list to be added, the adjacent areas GSM of LTE cells are added.The method of the present invention being capable of the verification of ingenious and accurate realizations adjacent area.
Description
Technical field
The present invention relates to a kind of communication technology, it is especially a kind of based on NCS measure the adjacent areas LTE-GSM check method and be
System.
Background technology
It is limited to LTE network standard and covering reason, there is still a need for addition GSM cells as adjacent area, such as CSFB for LTE cells
Voice fallback need to add 2G frequency points, and when VOLTE user is switched to GSM network by ESRVCC from LTE network more needs precisely to match
2G cell information is set, if the adjacent areas the GSM addition of LTE base station is imperfect, conversation loss will be caused, initiate cell reselection mistake repeatedly
There is the problem of switching can not be successfully progress in journey.
It is very big to user's sensation influence since the accuracy of neighbor cell configuration directly affects the KPI indexs such as handover success rate, because
This need to be that single LTE cells prepare the rational adjacent areas GSM.
The existing technical solution for adding the adjacent areas GSM for LTE cells mainly has with several：
1, LTE networking initial stage relies primarily on manual addition.Cell, adjacent area relevant rudimentary configuration information are first obtained, according to excellent
Change personnel's experience carries out single LTE cells by map and prepares relationship done site by site with the adjacent areas 2G, determines that the necessary GSM of LTE cells is adjacent
Area's list makes neighboring cell list script, imports webmaster.
2, application No. is the patent cases of CN201510452204.3 to disclose a kind of the automatic of the neighboring BS relationship of LTE network
Optimization method specifically includes：Cell deflection relevance algorithms based on normal, the first priority, the cell-of-origin (LTE waited for
Cell) co-sited cell；Second priority, the nearest cell of cell-of-origin face；Third priority, base station where cell-of-origin to target
Within the scope of positive and negative 60 degree of normal vector where cell and cell-of-origin is by closely to remote cell.The program substantially based on away from
From screening, in conjunction with serving cell azimuth, given threshold is final to judge.
3, application No. is the patent cases of CN200910089328.4 to disclose a kind of optimization method and dress of neighboring community
It sets, specifically includes：Signal strength in each physics grid is higher than the first signal strength threshold value and quantity is no more than the first number
In the first system base station cell for measuring threshold value, the highest the first system base station cell of signal strength as correspondence physics grid the
One system main serving cell；According to the correspondence of the CI of the first system main serving cell and physics grid, determine respectively each
At least one physics grid corresponding to the first system main serving cell of a CI instructions；The main service of each the first system is small
In at least one physics grid corresponding to area, signal strength is higher than second signal field strength threshold value and quantity is no more than the second number
Measure the second system base station cell alternately different system neighboring community of threshold value；Using alternative different system neighboring community, optimization is different
System neighbor cell list.
The defect of the existing technical solution that the adjacent areas GSM are added for LTE cells is embodied in following three points：
1, done site by site not only takes time and effort, and cannot achieve batch processing, and process is time-consuming and laborious, and efficiency is low, and passes through craft
Addition, accuracy is poor, the adjacent areas 2G that easy omission should be adapted to, in addition, dependent on customer complaint or the system of penalty index
Meter can just pinpoint the problems, and it is relatively passive to pinpoint the problems.
2, the addition between different system adjacent cell is carried out based on distance, Consideration is single, and accuracy is poor, does not meet existing net
Complex situations.
3, drive test (Drive Test, DT) data are based on, it is of high cost, the period is long, and test data cannot be comprehensively anti-
Network problem is answered, there is one-sidedness.
Invention content
In view of the drawbacks of the prior art, the present invention is provided a kind of adjacent areas the LTE-GSM check method measured based on NCS and is
System, being capable of the verification of ingenious and accurate realizations adjacent area.
In a first aspect, the present invention provides a kind of adjacent areas LTE-GSM check method measured based on NCS, including：
GSM cell work ginseng in LTE cell works ginseng and the first preset range is obtained, is calculated, is obtained using relevance algorithms
To the GSM cell with LTE cell strongest correlations；
The frequency point information of GSM cell in the second preset range is obtained, the second preset range is most strong with LTE cells with described
Centered on relevant GSM cell, using pre-determined distance as the range of radius；
The first neighboring cell list is obtained using adjacent area selection strategy according to the frequency point information；
Using the first neighboring cell list as neighboring cell list to be added, the adjacent areas GSM of LTE cells are added.
Optionally, GSM cell work ginseng in LTE cell works ginseng and the first preset range is obtained, is carried out using relevance algorithms
The step of calculating, obtaining the GSM cell with LTE cell strongest correlations, including：
LTE cell works ginseng includes the longitude and latitude and deflection of LTE cells, and the work ginseng of GSM cell is wrapped in the first preset range
Include the longitude and latitude and deflection of each GSM cell；
For GSM cell in the first preset range, obtain the GSM cell for meeting condition A, as with the most strong phase of LTE cells
The GSM cell of pass；
Condition A：It is less than or equal to first threshold with the direction angular difference of LTE cells, and is less than or equal at a distance from LTE cells
Second threshold；
If there are multiple GSM cells for meeting condition A, acquisition meet condition B and/or the GSM cell of condition C, as with
The GSM cell of LTE cell strongest correlations；
Condition B：It is closest with the deflection of LTE cells；
Condition C：With it is nearest at a distance from LTE cells.
Optionally, condition A includes：
It is less than or equal to 30 degree with the direction angular difference of LTE cells, and is less than or equal to 150 meters at a distance from LTE cells.
Optionally, according to the frequency point information, using adjacent area selection strategy, the step of obtaining the first neighboring cell list, including：
According to the frequency point information, the number that frequency point occurs is calculated；
According to the measurement total degree of the frequency point information, the probability that frequency point occurs is obtained；
According to preset third threshold value, the frequency point that the probability that frequency point occurs is more than or equal to third threshold value is obtained；
GSM cell work ginseng includes the frequency point of GSM cell in first preset range；
According to the frequency point of GSM cell, it is small more than or equal to the corresponding GSM of frequency point of third threshold value to obtain the probability that frequency point occurs
Area obtains the first neighboring cell list.
Optionally, according to the frequency point information, using adjacent area selection strategy, the step of obtaining the first neighboring cell list, including：
The frequency point information includes the signal strength of frequency point；
According to the signal strength, the signal strength for calculating frequency point is strongest number；
According to the measurement total degree of the frequency point information, the signal strength for obtaining frequency point is strongest probability；
According to preset 4th threshold value, the signal strength for obtaining frequency point is the frequency that strongest probability is more than or equal to the 4th threshold value
Point；
GSM cell work ginseng includes the frequency point of GSM cell in first preset range；
According to the frequency point of GSM cell, the signal strength for obtaining frequency point is the frequency that strongest probability is more than or equal to the 4th threshold value
The corresponding GSM cell of point, obtains the first neighboring cell list.
Optionally, in the first preset range GSM cell work ginseng include each GSM cell longitude and latitude；
After the step of obtaining the first neighboring cell list, including：
According to the longitude and latitude of each GSM cell in the first neighboring cell list, obtain and described and LTE cell strongest correlations
GSM cell distance is less than or equal to the GSM cell of the 5th threshold value, as the second neighboring cell list, wherein N is positive integer；
Using the second neighboring cell list as neighboring cell list to be added, the adjacent areas GSM of LTE cells are added.
Optionally, using the neighboring cell list of the first neighboring cell list/second as neighboring cell list to be added, the GSM of LTE cells is added
Before the step of adjacent area, the method further includes：
LTE cell works ginseng includes the longitude and latitude and deflection of LTE cells, and the work ginseng of GSM cell is wrapped in the first preset range
Include the longitude and latitude and deflection of each GSM cell；
For GSM cell in the first preset range, the GSM cell for meeting condition D is obtained, as third neighboring cell list；
Condition D：As within the scope of positive and negative 60 degree of the normal vector where LTE cells to GSM cell, and with LTE cells away from
From less than or equal to preset 6th threshold value.
Optionally, the method further includes：
The adjacent area number thresholding M required according to existing net determines neighboring cell list to be added using priority rule；
First priority includes：According to specified rule, the specified adjacent area of acquisition, as neighboring cell list to be added；
Second priority includes：For the neighboring cell list of the first neighboring cell list/second, meet the adjacent areas GSM of condition E, as
Neighboring cell list to be added；
Condition E:Probability that the frequency point of GSM cell in the neighboring cell list of first neighboring cell list/second is occurred and/or frequency point
Signal strength is that strongest probability sorts from big to small；
Choose the corresponding GSM cell of probability for coming top n, wherein N is positive integer.
Third priority includes：For third neighboring cell list, meet the adjacent areas GSM of condition F, is arranged as adjacent area to be added
Table；
Condition F:Obtain the corresponding GSM cell of frequency point and/or frequency point that the probability that frequency point occurs is more than or equal to third threshold value
Signal strength be strongest probability be more than or equal to the 4th threshold value the corresponding GSM cell of frequency point.
Optionally, third priority includes：For third neighboring cell list, meet the adjacent areas GSM of condition F, as to be added
The step of neighboring cell list, including：
For third neighboring cell list, the adjacent areas GSM for being unsatisfactory for F are deleted, as the 4th neighboring cell list；
The adjacent area number thresholding M that existing net requires is compared with adjacent area quantity P in the 4th neighboring cell list；
If M>P, then by the adjacent areas GSM of the 4th neighboring cell list according to the GSM cell with described and LTE cell strongest correlations
Apart from ascending sequence；
The GSM cell for choosing Q before coming, as neighboring cell list to be added；
Wherein M, P and Q is positive integer, and Q=M-P.
Second aspect, the present invention also provides a kind of adjacent areas LTE-GSM checking systems measured based on NCS, including：With LTE
The GSM cell generation module of cell strongest correlation, for obtaining GSM cell work ginseng in LTE cell works ginseng and the first preset range,
It is calculated using relevance algorithms, obtains the GSM cell with LTE cell strongest correlations；
Acquisition module, the frequency point information for obtaining GSM cell in the second preset range, the second preset range is with described
Centered on the GSM cell of LTE cell strongest correlations, using pre-determined distance as the range of radius；
Adjacent area selecting module, for obtaining the first neighboring cell list using adjacent area selection strategy according to the frequency point information；
Adjacent area add module, for using the first neighboring cell list as neighboring cell list to be added, the GSM for adding LTE cells to be adjacent
Area.
As shown from the above technical solution, a kind of adjacent areas LTE-GSM check method measured based on NCS of the present invention and system,
The GSM cell with LTE cell strongest correlations is obtained by relevance algorithms, it is all according to the GSM cell with LTE cell strongest correlations
The frequency point information for enclosing cell, obtains the adjacent area of LTE cells, and the neighbor cell configuration in the prior art of solution is time-consuming and laborious, accuracy is low
The technical issues of, flexible and convenient realization adjacent area is verified, the significant increase quality of the network optimization.
Description of the drawings
Fig. 1 is that a kind of flow for the adjacent areas LTE-GSM check method measured based on NCS that the embodiment of the present invention one provides is shown
It is intended to；
Fig. 2 is that a kind of flow for the adjacent areas LTE-GSM check method measured based on NCS that the embodiment of the present invention four provides is shown
It is intended to；
Fig. 3 is a kind of adjacent areas LTE-GSM checking system structure signal measured based on NCS that the embodiment of the present invention five provides
Figure；
Fig. 4 and Fig. 5 is respectively a kind of adjacent areas LTE-GSM verification system measured based on NCS that the embodiment of the present invention five provides
System structural schematic diagram.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.
Currently, the existing technical solution for adding the adjacent areas GSM for LTE cells has the shortcomings that accuracy is poor, unilateral, this implementation
Example proposes a kind of adjacent areas LTE-GSM check method measured based on NCS, can overcome disadvantages mentioned above, can cleverly realize adjacent area
It verifies.
NCS (Neighbor Cell Support, Neighborhood Optimization) measurements are proposed by Ericsson of manufacturer, pass through platform
The BA tables issued measure the frequency point of 2G peripheral base stations.
The measurement data obtained is measured compared to general MR (Measurement Reprt, measurement report), tool by NCS
It has the advantage that：
1,2G cell data are directly acquired.NCS, which is measured, is directed to the peripheries 2G, can directly obtain 2G cell measurement data.MR without
Receive the configuration information that base station issues by terminal to measure, or obtained by manufacturer by being, including periphery 2/3/4G all
Content, without specific aim.
2, statistics difficulty is small, and NCS measurement data can have oneself with BCCH/BSIC (frequency point/base station code) for base unit
Format, parsing is simple, also relatively good statistics.MR data volumes are big, and parsing difficulty is relatively high, and timing statistics are long.
The embodiment of the present invention considers many factors, and it is that LTE cells do the verification of the adjacent areas GSM to select NCS measurement data.
Embodiment one
Fig. 1 shows a kind of stream for the adjacent areas LTE-GSM check method measured based on NCS that the embodiment of the present invention one provides
Journey schematic diagram.
Referring to Fig.1, the method that the embodiment of the present invention one proposes specifically includes following steps：
101, GSM cell work ginseng in LTE cell works ginseng and the first preset range is obtained, is counted using relevance algorithms
It calculates, obtains the GSM cell with LTE cell strongest correlations.
In this step, centered on LTE cells to be verified, GSM cell work ginseng in the first preset range is obtained, using phase
Closing property algorithm is calculated, and the GSM cell for having strongest correlation with LTE cells is cleverly obtained, and support has runed 20
The GSM network of relative maturity for many years is compared with the existing technology, more convenient succinct.
102, the frequency point information of GSM cell in the second preset range is obtained, the second preset range is with described and LTE cells
Centered on the GSM cell of strongest correlation, using pre-determined distance as the range of radius.
In this step, centered on the GSM cell with LTE cell strongest correlations, described and LTE cells are determined most
2G cell around the GSM cell of strong correlation the pretreatments such as analyzes and counts, obtains corresponding frequency according to NCS measurement data
Point information.
103, the first neighboring cell list is obtained using adjacent area selection strategy according to the frequency point information.
In this step, the adjacent area selection strategy based on frequency point information is formulated.
Although should be noted that can directly add the adjacent area with the GSM cell of LTE cell strongest correlations, inherit extremely
The adjacent area of LTE cells to be verified, it is single also to have unreasonable part in view of now netting 2G neighbor cell configurations, such as initial stage 2G cell is only examined
Consider the distance closely adjacent areas 2G that are just added to, actually some cells be back to, need not add.Therefore the present embodiment is more into one
Step screens GSM cell in the second preset range by frequency point information.
104, using the first neighboring cell list as neighboring cell list to be added, the adjacent areas GSM of LTE cells are added.
Method provided in this embodiment obtains the GSM cell with LTE cell strongest correlations, foundation by relevance algorithms
With the frequency point information of the GSM cell peripheral cell of LTE cell strongest correlations, the adjacent area of LTE cells, the prior art of solution are obtained
The technical problem that middle neighbor cell configuration is time-consuming and laborious, accuracy is low, flexible and convenient realization adjacent area are verified, and significant increase network is excellent
The quality of change.
Embodiment two
In the embodiment of the present invention two, the step 101 of the above method further includes following not shown sub-step, other
Step is similar to embodiment one, is no longer described in detail.
LTE cell works ginseng includes the longitude and latitude and deflection of LTE cells, and the work ginseng of GSM cell is wrapped in the first preset range
Include the longitude and latitude and deflection of each GSM cell.
The step 101 includes：
1011, be directed to GSM cell in the first preset range, obtain and meet the GSM cell of condition A, as with LTE cells most
The GSM cell of strong correlation；
Condition A：It is less than or equal to first threshold with the direction angular difference of LTE cells, and is less than or equal at a distance from LTE cells
Second threshold.
For example, first threshold can be 30 degree, and second threshold can be 150 meters, can also be adjusted according to actual conditions
It is whole, it is not limited.
In this step, if there are multiple GSM cells for meeting condition A, step 1012 is executed.
1012, the GSM cell for meeting condition B and/or condition C is obtained as the GSM cell with LTE cell strongest correlations；
Condition B：It is closest with the deflection of LTE cells；
Condition C：With it is nearest at a distance from LTE cells.
Specifically, the GSM cell of specific LTE cells most High relevancy is found in a network, it is main at present to consider LTE cells
With two factors of at a distance from GSM cell and direction angular difference.Such as in dense city, joined according to LTE works ginseng, GSM works, setting two
A threshold condition：LTE-GSM cell distances are less than or equal to 150 meters, and LTE-GSM cells direction angular difference is less than or equal to 30 degree.Such as
Fruit meets condition GSM cell there are multiple, then chooses the cell of difference minimum.
Preferably, the weight of setting direction angle and distance factor, considered according to respective weight filter out it is small with LTE
The GSM cell of area's strongest correlation.
It is of course also possible to identical in deflection, further matching GSM nearest at a distance from LTE cells is small
Area, as the GSM cell with LTE cell strongest correlations.
Embodiment three
In the embodiment of the present invention three, the step 103 of the above method further includes following not shown sub-step, other
Step is similar to embodiment one, is no longer described in detail.
Should specification, NCS is measured as existing in step 102, and the present embodiment is no longer described in detail, by acquisition with
BCCH/BSIC is base unit measurement data, is parsed according to format as defined in NCS, includes mainly：Frequency point information, into
Measurement report number in row NCS measurement process, the number as six most strong cell and corresponding signal strength, average signal are strong
Degree etc..
According to the statistical data of NCS, increases more accurate neighboring BS relationship, can also delete unnecessary neighboring BS relationship certainly,
To reach the performance for improving switching, improve speech quality, reduces the purpose of the mesh and control adjacent area quantity of call drop.
According to the characteristic of NCS measurement data, GSM cell in the second preset range of two ways pair can be used and screen.
One is according to frequency point information, another kind is the signal strength according to frequency point.
When according to frequency point information to being screened to GSM cell in the second preset range, step 103 includes：
1031, according to the frequency point information, the number that frequency point occurs is calculated；
In this step, on the GSM cell periphery with LTE cell strongest correlations, it (can be 1 to obtain preset time period
Hour, can also be 3 days) NCS measurement data, data are analyzed, each frequency point in the second preset range is counted and occurs
Number.
1032, according to the measurement total degree of the frequency point information, the probability that frequency point occurs is obtained；
In this step, TIMES, i.e., the number that the same frequency point is measured in this measurement are counted first；Secondly
REPARFCN is obtained, REPARFCN is a field in measurement data, is indicated under activation (Active) state, a BA table
Total degree is measured in period；Finally, TIMES/REPARFCN is calculated, i.e., the probability that frequency point occurs is indicated in all measurements
In report, the ratio of the frequency point measurement report received.
1033, according to preset third threshold value, the frequency point that the probability that frequency point occurs is more than or equal to third threshold value is obtained.
In this step, third threshold value is 0.05, can also be adjusted, is not limited according to actual conditions.
1034, in the first preset range GSM cell work ginseng include GSM cell frequency point；
According to the frequency point of GSM cell, it is small more than or equal to the corresponding GSM of frequency point of third threshold value to obtain the probability that frequency point occurs
Area obtains the first neighboring cell list.
It is understood that the ratio value (probability that frequency point occurs) is bigger, mean that the corresponding cell of the frequency point more has
It is likely to become switching object.
In addition, in the present embodiment, can also be sieved by GSM cell in the second preset range of signal strength pair of frequency point
Choosing, the frequency point information includes the signal strength of frequency point.
Step 103 includes：
A01, according to the signal strength, the signal strength for calculating frequency point is strongest number；
A02, the measurement total degree according to the frequency point information, the signal strength for obtaining frequency point are strongest probability；
In this step, TIMES1 is counted first, i.e., the signal strength of one frequency point is measured in this measurement is
The strongest number of signal strength；Secondly, REPARFCN is obtained, that is, measures total degree；Finally, TIMES1/REPARFCN is calculated, i.e.,
The signal strength of frequency point is ratio of the strongest number in all measurement report numbers.
A03, according to preset 4th threshold value, the signal strength for obtaining frequency point is that strongest probability is more than or equal to the 4th threshold value
Frequency point；
In this step, the 4th threshold value is 0.01, can also be adjusted, is not limited according to actual conditions.
GSM cell work ginseng includes the frequency point of GSM cell in A04, the first preset range；
According to the frequency point of GSM cell, the signal strength for obtaining frequency point is the frequency that strongest probability is more than or equal to the 4th threshold value
The corresponding GSM cell of point, obtains the first neighboring cell list.
It is understood that the ratio value is bigger, mean that the corresponding cell of the frequency point is more likely to become switching object.
In practical application, although also having apart from remote, since its coverage area is big, frequency point intensity is high, therefore the frequency point also can be repeatedly high
Strong the case where occurring, the present embodiment obtain the first neighboring cell list by the screening of signal strength.
Further, the screening based on distance is carried out to the first neighboring cell list of acquisition.
Thus NCS measurement data can position frequency point to cell level as unit of 2G frequency points and number of base stations.
Meanwhile the longitude and latitude of the corresponding cell of frequency point can be also determined according to the mode for searching engineering parameter table.First preset range
The work ginseng of interior GSM cell includes the longitude and latitude of each GSM cell.
Further include not shown step 105 before step 104 after the step 103.
Step 105 includes following not shown sub-step：
1051, the longitude and latitude according to each GSM cell in the first neighboring cell list obtains and the described and most strong phase of LTE cells
The GSM cell distance of pass is less than or equal to the GSM cell of the 5th threshold value, as the second neighboring cell list, wherein N is positive integer.
In this step, the 5th threshold value is 200 meters, can also be adjusted, is not limited according to actual conditions.
In above-mentioned steps 1034 and A04, the first neighboring cell list can be that the probability that frequency point occurs is more than or equal to third threshold
The set of the corresponding GSM cell of frequency point of value or the signal strength of frequency point are that strongest probability is more than or equal to the 4th threshold value
The set of the corresponding GSM cell of frequency point.
Preferably, the weight of two probability is set, is considered according to respective weight and filters out the second neighboring cell list.
It is of course also possible to which probability sorts from big to small respectively, the corresponding frequency point of probability for being chosen at top n is corresponding small
Area is as the second neighboring cell list.
Specifically, NCS measurement data is parsed, every strongest correlation GSM cell is counted and corresponds to the every group of BCCHNO+ measured
TIMES, TIMES1, REPARFCN of BSIC calculates the measurement probability of respective cell；It measures probability and utilizes TIMES/
Two values of REPARFCN, TIMES1/REPARFCN are weighed, and the probability that the higher GSM cell of value is measured to is higher.It can be with
Two threshold values, TIMES/REPARFCN are set>=0.05, TIMES1/REPARFCN>=0.01, qualified BCCHNO+
BSIC cells, i.e. the first neighboring cell list.
Further, it for the first neighboring cell list, filters out with strongest correlation GSM cell apart from nearest LAI+
CI, and so on, the corresponding LAI+CI of each BCCHNO+BSIC being measured to are counted, and then export maximum measurement probability
GSM cell list, i.e. the second neighboring cell list.
1052, using the second neighboring cell list as neighboring cell list to be added, the adjacent areas GSM of LTE cells are added.
Example IV
In the embodiment of the present invention four, the above method further includes not shown step 106, other steps with implement
Example one is similar, is no longer described in detail.
Step 106 can be based on LTE cells at a distance from GSM cell, and preliminary screening goes out GSM cell.LTE cell works are joined
The longitude and latitude and deflection of LTE cells, in the first preset range the work ginseng of GSM cell include each GSM cell longitude and latitude and
Deflection.
Step 106 includes：
For GSM cell in the first preset range, the GSM cell for meeting condition D is obtained, as third neighboring cell list；
Condition D：As within the scope of positive and negative 60 degree of the normal vector where LTE cells to GSM cell, and with LTE cells away from
From less than or equal to preset 6th threshold value.
In this step, the 6th threshold value is 200 meters, can also be adjusted, is not limited according to actual conditions.
Specifically, the algorithm that the patent disclosure application No. is CN201510452204.3 can be used obtains, and is mainly base
In the cell deflection relevance algorithms of normal, the first priority, cell-of-origin co-sited cell；Second priority, cell-of-origin face
Nearest cell；Third priority, it is within the scope of positive and negative 60 degree of normal vector where base station to Target cell where cell-of-origin and
Cell-of-origin is by closely to remote cell.The substantially screening based on distance, in conjunction with serving cell azimuth, given threshold reaches final
Judgement, with specific reference to patent document, the present embodiment is not described here in detail.
Further, after the first neighboring cell list of acquisition, the second neighboring cell list and the third neighboring cell list the step of, step
Further include step 107 before rapid 104, the adjacent area number thresholding M required according to existing net is determined to be added using priority rule
Neighboring cell list
By step 107, to the first neighboring cell list, the second neighboring cell list and third neighboring cell list of acquisition, using preferential
Grade principle is judged, and redundancy adjacent area is deleted, and obtains the adjacent area finally added.
Step 107 includes：
First priority, including：According to specified rule, the specified adjacent area of acquisition, as neighboring cell list to be added；
Specifically, specified rule can be the adjacent area specified according to the particular/special requirement of network department, can also be small with LTE
The co-sited cell in area.
Second priority, including：For the neighboring cell list of the first neighboring cell list/second, meet the adjacent areas GSM of condition E, as
Neighboring cell list to be added；
Condition E:Probability that the frequency point of GSM cell in the neighboring cell list of first neighboring cell list/second is occurred and/or frequency point
Signal strength is that strongest probability sorts from big to small；
Choose the corresponding GSM cell of probability for coming top n, wherein N is positive integer.
Third priority includes：For third neighboring cell list, meet the adjacent areas GSM of condition F, is arranged as adjacent area to be added
Table；
Condition F:Obtain the corresponding GSM cell of frequency point and/or frequency point that the probability that frequency point occurs is more than or equal to third threshold value
Signal strength be strongest probability be more than or equal to the 4th threshold value the corresponding GSM cell of frequency point.
Specifically, for third neighboring cell list, the adjacent areas GSM for being unsatisfactory for F are deleted, as the 4th neighboring cell list；
The adjacent area number thresholding M that existing net requires is compared with adjacent area quantity P in the 4th neighboring cell list；
If M>P, then by the adjacent areas GSM of the 4th neighboring cell list according to the GSM cell with described and LTE cell strongest correlations
Apart from ascending sequence；
The GSM cell for choosing Q before coming, as neighboring cell list to be added；
Wherein M, P and Q is positive integer, and Q=M-P.
As it can be seen that the major function of step 107 is, realizes based on distance and two adjacent areas are measured based on NCS and verify list
Fusion is organized proportion expression TIMES/REPARFCN, TIMES1/REPARFCN using judge and is returned in conjunction with the configured neighboring cell list of existing net
Technology is filled out, final neighboring cell list to be added and redundancy neighboring cell list are formed.
Specific algorithm is as follows:
First priority is specified adjacent area, number N1, it is necessary to add；
Second priority is that list is verified in the adjacent area measured based on NCS, according to (TIMES/REPARFCN) * (TIMES1/
REPARFCN) carry out descending arrangement, preferably before (M-N1) a (the number thresholding M for now netting requirement), if insufficient threshold value, according to most
Big number N2 additions；
Third priority obtains the adjacent area for meeting the following conditions, as adjacent area to be added.
(1) adjacent area that the probability that the first neighboring cell list intermediate-frequeney point occurs is more than or equal to 0.05 is obtained, as adjacent area to be added,
And/or it is adjacent area that strongest probability is more than or equal to 0.01 to obtain the signal strength of the first neighboring cell list intermediate-frequeney point, as waiting adding
Add adjacent area.
(2) cell for being unsatisfactory for conditions above (1) is deleted.
(3) fail to measure, wouldn't be not added with.
Specifically, third priority is that backfill is based on verifying list apart from adjacent area, and there are three kinds of situations for the list：(1) full
Sufficient judge organizes proportion expression, which is to retain；(2) it is unsatisfactory for judge and organizes proportion expression, delete；(3) fail to measure, i.e., can not
Backfill, this part are undetermined.If not meeting adjacent neighbor cell addition threshold quantity yet after high priority screening, according to the neighbour based on distance
Area verifies tab sequential and adds part undetermined as adjacent area, supplies quantity to M, exports neighboring cell list to be added.Finally with existing net
Configured neighboring cell list compares, nothing in neighboring cell list to be added, and now nets the cell having in configured neighboring cell list, and it is superfluous to export
Remaining neighboring cell list.
Further, can periodical automatic adjacent section verify, delete occurrence number and be more than (3) cell undetermined twice.
Specifically, for cell portion undetermined, although may exist apart from cell that is close, should not adding, this
It is secondary to be added, but be that deleting for cell undetermined should three times for repeating because land period automatic adjacent section is verified
Adjacent area, to ensure that unnecessary adjacent area is added.
Fig. 2 shows a kind of adjacent areas LTE-GSM check method flow signals measured based on NCS that the present embodiment four provides
Figure.
Should specification further include step after judging step 107：By the neighboring cell list to be added of acquisition and now
It nets configured neighboring cell list to be compared, deletes redundancy neighboring cell list, the adjacent area that the list after comparison is carried out to LTE cells is matched
It sets.
Further include automatic adjacent section Optimization Steps in the present embodiment, the neighboring cell list to be added based on output and redundancy adjacent area
List, wireless network optimization platform generate dependent instruction, operate webmaster, complete addition and the delete operation of adjacent area.
It is the prior art in the wireless network optimization work of the present embodiment, is not described here in detail.
In conclusion the embodiment of the present invention one to example IV elaborates a set of LTE- measured based on NCS>The adjacent areas GSM
Check method.
One, it is calculated by LTE strongest correlation GSM cells and focus is transferred to GSM cell from LTE cells, relied on
Through having run more than 20 years GSM network, GSM network O＆M and management and control ability are far above LTE network.Pass through setpoint distance and orientation
Horn cupping calculates LTE strongest correlation GSM cells to two threshold values of vector angle.This is the ingenious place of present inventive concept.
Two, it is based on NCS measurement data and carries out adjacent area verification, by parsing NCS measurement data, analyze every group measured
BSIC+BCCH is based on TIMES/REPARFCN and TIMES1/REPARFCN judge's groups, calculates the strongest correlation GSM cell
It is nearest to find the corresponding distances of each pair of BSCI+BCCHNO in alternative group for alternative BSCI+BCCHNO groups, then join information based on GSM works
LAI+CI, determine alternative GSM cell list.
Three, the first priority in adjacent area additions and deletions judging module, NCS measure the alternative GSM cell list of output；Second is excellent
First grade and has added adjacent area duplicate removal according to the list exported based on spacing module, and according to apart from ascending order, insufficient adjacent area requires
Number.It after above step output listing, is compared with the configured neighboring cell list of existing net, output increases adjacent area or deletes adjacent area row
Table.
Present invention method at least has the following technical effects：
The method for realizing different system adjacent cell addition at present is mainly CN201510452204.3 patents, is carried out based on distance different
Addition between system adjacent cell, but Consideration is too single, and accuracy is poor.The present invention is that LTE strongest correlations are dexterously utilized
Property GSM cell, rely on the very high GSM network of maturity, realize the addition of different system adjacent cell.The present invention overcomes the bottleneck, base
Measured in NCS, realize adjacent area addition, the accurate verification deleted, than before method, the present invention not only save a large amount of manpowers at
This, while accuracy significant increase.
In addition, the present embodiment realizes the algorithm that different system adjacent cell automatically configures, it is based on reporting information by terminal, is counted to be cut
Target cell frequency point collection is changed, realizes the preferred add or delete in maximum probability adjacent area.
Embodiment five
Fig. 3 shows a kind of adjacent areas LTE-GSM checking system structure signal measured based on NCS that the present embodiment five provides
Figure.
Mainly there are four parts to form for system structure：
Input data is pre-processed according to regulation format, mainly measures NCS by first part, preprocessing part
Data carry out processing and preliminary calculating.
For example, such as one step 101 of above-described embodiment, interface server obtains base station data, small from network management database
Qu works are joined, and such as one step 102 of above-described embodiment, interface server obtains NCS data from network management database.And further, such as
Three step 1031 of above-described embodiment and 1032, to NCS measurement data according to regulation format pretreatment.
Second part, platform, main there are four modules to form, LTE strongest correlation GSM cells computing module, base
In module is verified in the adjacent area of distance, module and judge's module are verified in the adjacent area based on NCS, this is the realization part of core algorithm,
Export six lists.
For example, such as one step 101 of above-described embodiment and the sub-step of embodiment two, pass through LTE strongest correlations GSM
Cell computing module obtains the GSM cell with LTE cell strongest correlations.Such as above-mentioned example IV step 106, by be based on away from
From adjacent area verify module, obtain based on distance adjacent area reference.Such as one step 103 of above-described embodiment and above-described embodiment three
Sub-step verifies module by the adjacent area based on NCS, obtains the GSM cell based on NCS data analysis statisticals.Such as above-mentioned implementation
Example four steps 107 judges the adjacent area of acquisition, exports neighboring cell list to be added and redundancy adjacent area row by judging module
Table.
Part III, data store, six lists that storage second part generates in the database, LTE strongest correlations
List is verified in GSM cell list, the adjacent area based on distance, the adjacent area based on distance of list, backfill is verified in the adjacent area based on NCS
In addition to this verification list, the neighboring cell list that need to be added, the neighboring cell list that need to be deleted also store LTE works ginseng, GSM works are joined, existing
Net neighbor cell configuration list.
Part IV, automatic adjacent section optimization, rely on wireless network optimization platform, based on the neighboring cell list that need to add and need to delete
Neighboring cell list generates dependent instruction, operates webmaster, completes the addition and deletion of adjacent area.
Fig. 4 shows a kind of knot for the adjacent areas LTE-GSM checking system measured based on NCS that the embodiment of the present invention five provides
Structure schematic diagram.
As shown in figure 4, the system comprises：
With the GSM cell generation module 41 of LTE cell strongest correlations, for obtain LTE cell works ginseng and the first default model
Interior GSM cell work ginseng is enclosed, is calculated using relevance algorithms, obtains the GSM cell with LTE cell strongest correlations；
Acquisition module 42, the frequency point information for obtaining GSM cell in the second preset range, the second preset range is with institute
State with centered on the GSM cell of LTE cell strongest correlations, using pre-determined distance as the range of radius；
Adjacent area selecting module 43, for obtaining the first adjacent area row using adjacent area selection strategy according to the frequency point information
Table；
Adjacent area add module 44, for using the first neighboring cell list as neighboring cell list to be added, adding the GSM of LTE cells
Adjacent area.
Fig. 5 shows a kind of knot for the adjacent areas LTE-GSM checking system measured based on NCS that the embodiment of the present invention five provides
Structure schematic diagram.
The system comprises：Processor (processor) 51, memory (memory) 52, communication interface
(Communications Interface) 53 and bus 54；
Wherein, the processor 51, memory 52, communication interface 53 complete mutual communication by the bus 54；
The communication interface 53 is for the information transmission between the system and the communication equipment of other devices；
The processor 51 is used to call the program instruction in the memory 52, to execute above-mentioned pseudo-base station recognition methods
The method provided, such as including：GSM cell work ginseng in LTE cell works ginseng and the first preset range is obtained, is calculated using correlation
Method is calculated, and the GSM cell with LTE cell strongest correlations is obtained；
The frequency point information of GSM cell in the second preset range is obtained, the second preset range is most strong with LTE cells with described
Centered on relevant GSM cell, using pre-determined distance as the range of radius；
The first neighboring cell list is obtained using adjacent area selection strategy according to the frequency point information；
Using the first neighboring cell list as neighboring cell list to be added, the adjacent areas GSM of LTE cells are added.
The present embodiment system executes preceding method embodiment one to the method for example IV, and the principle of work and power is no longer described in detail.
The technique effect of the present embodiment five realizes initial check as previously mentioned, being primarily based on distance method, while cleverly
Using LTE strongest correlation GSM cells, the GSM network runed more than 20 years is relied on, realizes the adjacent areas the 2G core of LTE cells
It looks into, using TIMES/REPARFCN and TIMES1/REPARFCN as judge group membership, the adjacent areas judgement add or delete 2G.This
Inventive concept is ingenious, and process is rigorous, flexibly and easily, overcome the bottleneck of conventional method, the significant increase quality of the network optimization.
It will be appreciated by those of skill in the art that although some embodiments described herein include being wrapped in other embodiments
Certain features for including rather than other feature, but the combination of the feature of different embodiments mean in the scope of the present invention it
It is interior and form different embodiments.
It will be understood by those skilled in the art that each step in embodiment can with hardware realization, or at one or
The software module run on the multiple processors of person is realized, or is realized with combination thereof.Those skilled in the art should manage
Solution, can realize according to the ... of the embodiment of the present invention one using microprocessor or digital signal processor (DSP) in practice
The some or all functions of a little or whole components.The present invention is also implemented as executing method as described herein
Some or all equipment or program of device (for example, computer program and computer program product).
Although the embodiments of the invention are described in conjunction with the attached drawings, but those skilled in the art can not depart from this hair
Various modifications and variations are made in the case of bright spirit and scope, such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (10)
1. a kind of adjacent areas LTE-GSM check method measured based on NCS, which is characterized in that including：
Obtain LTE cell works ginseng and the first preset range in GSM cell work ginseng, calculated using relevance algorithms, obtain with
The GSM cell of LTE cell strongest correlations；
The frequency point information of GSM cell in the second preset range is obtained, the second preset range is with described and LTE cell strongest correlations
GSM cell centered on, using pre-determined distance as the range of radius；
The first neighboring cell list is obtained using adjacent area selection strategy according to the frequency point information；
Using the first neighboring cell list as neighboring cell list to be added, the adjacent areas GSM of LTE cells are added.
2. according to the method described in claim 1, it is characterized in that, GSM is small in acquisition LTE cell works ginseng and the first preset range
Qu works are joined, the step of calculated using relevance algorithms, obtain the GSM cell with LTE cell strongest correlations, including：
LTE cell works ginseng includes the longitude and latitude and deflection of LTE cells, and the work ginseng of GSM cell includes often in the first preset range
The longitude and latitude and deflection of a GSM cell；
For GSM cell in the first preset range, obtain the GSM cell for meeting condition A, as with LTE cell strongest correlations
GSM cell；
Condition A：It is less than or equal to first threshold with the direction angular difference of LTE cells, and is less than or equal to second at a distance from LTE cells
Threshold value；
If there are multiple GSM cells for meeting condition A, acquisition meets condition B and/or the GSM cell of condition C, as small with LTE
The GSM cell of area's strongest correlation；
Condition B：It is closest with the deflection of LTE cells；
Condition C：With it is nearest at a distance from LTE cells.
3. according to the method described in claim 2, it is characterized in that, condition A includes：
It is less than or equal to 30 degree with the direction angular difference of LTE cells, and is less than or equal to 150 meters at a distance from LTE cells.
4. according to the method described in claim 1, it is characterized in that, according to the frequency point information, using adjacent area selection strategy, obtain
The step of to the first neighboring cell list, including：
According to the frequency point information, the number that frequency point occurs is calculated；
According to the measurement total degree of the frequency point information, the probability that frequency point occurs is obtained；
According to preset third threshold value, the frequency point that the probability that frequency point occurs is more than or equal to third threshold value is obtained；
GSM cell work ginseng includes the frequency point of GSM cell in first preset range；
According to the frequency point of GSM cell, the corresponding GSM cell of frequency point that the probability that frequency point occurs is more than or equal to third threshold value is obtained,
Obtain the first neighboring cell list.
5. according to the method described in claim 1, it is characterized in that, according to the frequency point information, using adjacent area selection strategy, obtain
The step of to the first neighboring cell list, including：
The frequency point information includes the signal strength of frequency point；
According to the signal strength, the signal strength for calculating frequency point is strongest number；
According to the measurement total degree of the frequency point information, the signal strength for obtaining frequency point is strongest probability；
According to preset 4th threshold value, the signal strength for obtaining frequency point is the frequency point that strongest probability is more than or equal to the 4th threshold value；
GSM cell work ginseng includes the frequency point of GSM cell in first preset range；
According to the frequency point of GSM cell, the signal strength for obtaining frequency point is the frequency point pair that strongest probability is more than or equal to the 4th threshold value
The GSM cell answered obtains the first neighboring cell list.
6. method according to claim 4 or 5, which is characterized in that
The work ginseng of GSM cell includes the longitude and latitude of each GSM cell in first preset range；
After the step of obtaining the first neighboring cell list, including：
According to the longitude and latitude of each GSM cell in the first neighboring cell list, obtain with it is described small with the GSM of LTE cell strongest correlations
Offset is from the GSM cell less than or equal to the 5th threshold value, as the second neighboring cell list, wherein N is positive integer；
Using the second neighboring cell list as neighboring cell list to be added, the adjacent areas GSM of LTE cells are added.
7. according to the method described in claim 6, it is characterized in that, using the neighboring cell list of the first neighboring cell list/second as waiting adding
Before the step of adding neighboring cell list, adding the adjacent areas GSM of LTE cells, the method further includes：
LTE cell works ginseng includes the longitude and latitude and deflection of LTE cells, and the work ginseng of GSM cell includes often in the first preset range
The longitude and latitude and deflection of a GSM cell；
For GSM cell in the first preset range, the GSM cell for meeting condition D is obtained, as third neighboring cell list；
Condition D：As within the scope of positive and negative 60 degree of the normal vector where LTE cells to GSM cell, and it is small at a distance from LTE cells
In equal to preset 6th threshold value.
8. the method according to the description of claim 7 is characterized in that the method further includes：
The adjacent area number thresholding M required according to existing net determines neighboring cell list to be added using priority rule；
First priority includes：According to specified rule, the specified adjacent area of acquisition, as neighboring cell list to be added；
Second priority includes：For the neighboring cell list of the first neighboring cell list/second, meet the adjacent areas GSM of condition E, as waiting adding
Add neighboring cell list；
Condition E:The signal of probability and/or frequency point that the frequency point of GSM cell in the neighboring cell list of first neighboring cell list/second is occurred
Intensity is that strongest probability sorts from big to small；
Choose the corresponding GSM cell of probability for coming top n, wherein N is positive integer.
Third priority includes：For third neighboring cell list, meet the adjacent areas GSM of condition F, as neighboring cell list to be added；
Condition F:It obtains the probability that frequency point occurs and is more than or equal to the corresponding GSM cell of frequency point of third threshold value and/or the letter of frequency point
Number intensity is the corresponding GSM cell of frequency point that strongest probability is more than or equal to the 4th threshold value.
9. according to the method described in claim 8, it is characterized in that, third priority includes：For third neighboring cell list, meet
The adjacent areas GSM of condition F, the step of as neighboring cell list to be added, including：
For third neighboring cell list, the adjacent areas GSM for being unsatisfactory for F are deleted, as the 4th neighboring cell list；
The adjacent area number thresholding M that existing net requires is compared with adjacent area quantity P in the 4th neighboring cell list；
If M>P, then by the adjacent areas GSM of the 4th neighboring cell list according at a distance from the GSM cell with LTE cell strongest correlations
Ascending sequence；
The GSM cell for choosing Q before coming, as neighboring cell list to be added；
Wherein M, P and Q is positive integer, and Q=M-P.
10. a kind of adjacent areas LTE-GSM checking system measured based on NCS, which is characterized in that including：
With the GSM cell generation module of LTE cell strongest correlations, for obtain LTE cell works ginseng and the first preset range in GSM
Cell work is joined, and is calculated using relevance algorithms, obtains the GSM cell with LTE cell strongest correlations；
Acquisition module, for obtaining the frequency point information of GSM cell in the second preset range, the second preset range be with described and
Centered on the GSM cell of LTE cell strongest correlations, using pre-determined distance as the range of radius；
Adjacent area selecting module, for obtaining the first neighboring cell list using adjacent area selection strategy according to the frequency point information；
Adjacent area add module, for using the first neighboring cell list as neighboring cell list to be added, adding the adjacent areas GSM of LTE cells.
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