CN103096370B - A kind of antenna directional angle check method based on mobile phone measured data - Google Patents
A kind of antenna directional angle check method based on mobile phone measured data Download PDFInfo
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Abstract
The invention discloses a kind of antenna directional angle check method based on mobile phone measured data, methods described includes：Receive the measured data of mobile phone upload and be stored in database；The direction angular variation of base station in service sector antenna is determined according to the position relationship of the carrier/interface ratio distribution and sampled point and service minizone that measure in periphery adjacent cell sampled point in measured data.Measured data of the present invention based on mobile phone quickly judges whether the deflection of base station in service sector antenna shifts, and such that it is able to automatically and quickly determine whether the deflection of antenna for base station shifts, and is effectively reduced the workload of staff.
Description
Technical field
The present invention relates to mobile communication cells antenna technology, and in particular to a kind of antenna direction based on mobile phone measured data
Angle check method.
Background technology
In GSM in the prior art, antenna for base station is a kind of important mobile communication equipment, for reality
The transmitting and reception of existing spacing wireless signal.Arrange antenna for base station after, in order that antenna for base station can normal work, lead to
Often need to configure the parameters of antenna for base station.Wherein, the deflection of antenna for base station is a kind of highly important parameter.
If the deflection of antenna is arranged to comparison accurately, the actual coverage and the coverage being pre-designed of base station can be caused
It is essentially identical, therefore the communication stability of whole communication network can be improved.In addition, in practical situations, can be with root
The deflection of antenna for base station is adjusted correspondingly according to the actual features of communication service, so as to the communication quality to communication system
Further optimized, improved the total quality of communication service.
But, in actual application environment, the deflection of antenna for base station can be due to various odjective causes (for example, severe day
Gas, accident, force majeure etc.) and shift so that the actual coverage of the antenna for base station be pre-designed
Coverage shift, thus the communication quality in communication network will be adversely affected.
Cause the direction angular variation of antenna for base station appearance to verify due to odjective cause, in the prior art, typically
All it is that carrying out, network maintenance staff's utilization orientation angle tester table of driving verifies each cellular cell day using manual type
The deflection of line, and compare with historical record, determine whether antenna directional angle offsets and offset how many.This method is to cell time
For the mobile network of cloth and huge number, the time is expended, expend resource, labor intensive.
In summary, as deflection check method of the prior art has shortcoming as above, therefore how to carry
Go out a kind of more preferable deflection check method, to reduce manually verifying the workload of antenna for base station direction angular variation, be this area
The technical problem of middle urgent need to resolve.
The content of the invention
In view of this, verify present invention is primarily targeted at providing a kind of antenna directional angle based on mobile phone measured data
Method, the method can reduce the workload for manually verifying base station in service sector antenna direction angular variation.
To reach above-mentioned purpose, what technical scheme was specifically realized in：
A kind of antenna directional angle check method based on mobile phone measured data, methods described include：
Step A, the measured data for receiving mobile phone upload are simultaneously stored in database；
Step B, according to the carrier/interface ratio distribution and sampled point measured in periphery adjacent cell sampled point in measured data and
Position relationship between Serving cell determines the direction angular variation of base station in service sector antenna.
Further include after stepb：
When the direction angular variation of base station in service sector antenna is more than predetermined threshold value, on Distribution GIS platform
Show the deflection offset information of base station in service sector antenna.
Step B is specially：
B1. generate the essential information needed for verifying deflection according to the measured data that collects, and obtain Serving cell with
Periphery adjacent cell apart from list, the quadrant list of periphery adjacent cell and service cell-site antenna deflection list, the base
This information at least includes：Quadrant Quadrant that periphery adjacent cell is located, distance between periphery adjacent cell and Serving cell
The longitude of Distance, periphery adjacent cell and Serving cell is apart from L_distance, the deflection of base station in service sector antenna
True_dir, deviation angle DOTA_dir；
B2. carrier/interface ratio list and carrier/interface ratio and distance apart from Serving cell in list with its all adjacent cell are asked respectively
Mean value, and carrier/interface ratio average table is obtained and apart from average table, the sampled point screening conditions bag according to sampled point screening conditions
Include carrier/interface ratio screening and distance screening；
B3. hierarchical screening is carried out to the periphery adjacent cell of Serving cell according to adjacent cell screening conditions, to Serving cell base
The list of station antenna deflection carries out mean value computation, and is calculated the direction angular variation of base station in service sector antenna, and the neighbour is little
Area's screening conditions are Serving cell to be layered apart from average with all adjacent cells according to surrounding geographical environment.
If user have selected repeatedly screening, then can repeat above-mentioned B2 to B3, and repeatedly be input into different sampled points
Screening conditions and/or adjacent cell screening conditions, and multiple calculated base station in service sector antenna direction angular variation is carried out
Mean value computation, so as to using the average of the direction angular variation of base station in service sector antenna that obtains as final base station in service sector day
The skew of the deflection of line.
The measured data at least includes：The average descending level of Serving cell, Serving cell longitude and latitude, periphery adjacent cell are put down
The carrier/interface ratio list of descending level, the longitude and latitude of periphery adjacent cell and Serving cell and adjacent cell.
When periphery adjacent cell latitude-Serving cell latitude>0 and periphery adjacent cell longitude-Serving cell longitude>It is when 0, described
The quadrant Quadrant that periphery adjacent cell is located is first quartile；
When periphery adjacent cell latitude-Serving cell latitude<0 and periphery adjacent cell longitude-Serving cell longitude>It is when 0, described
The quadrant Quadrant that periphery adjacent cell is located is the second quadrant；
When periphery adjacent cell latitude-Serving cell latitude<0 and periphery adjacent cell longitude-Serving cell longitude<It is when 0, described
The quadrant Quadrant that periphery adjacent cell is located is third quadrant；
When periphery adjacent cell latitude-Serving cell latitude>0 and periphery adjacent cell longitude-Serving cell longitude<It is when 0, described
The quadrant Quadrant that periphery adjacent cell is located is fourth quadrant；
When periphery adjacent cell latitude-Serving cell latitude=0 and periphery adjacent cell longitude-Serving cell longitude>When 0, institute
The quadrant Quadrant for stating periphery adjacent cell place is x-axis positive axis；
When periphery adjacent cell latitude-Serving cell latitude=0 and periphery adjacent cell longitude-Serving cell longitude<When 0, institute
The quadrant Quadrant for stating periphery adjacent cell place is the negative semiaxis of x-axis；
When periphery adjacent cell latitude-Serving cell latitude>0 and during periphery adjacent cell longitude-Serving cell longitude=0, institute
The quadrant Quadrant for stating periphery adjacent cell place is y-axis positive axis；
When periphery adjacent cell latitude-Serving cell latitude<0 and during periphery adjacent cell longitude-Serving cell longitude=0, institute
The quadrant Quadrant for stating periphery adjacent cell place is the negative semiaxis of y-axis.
Apart from Distance=R*arccos [Sin Serving cell latitude * Sin between the periphery adjacent cell and Serving cell
Periphery adjacent cell latitude+Cos Serving cell latitude * Cos periphery adjacent cell latitude * Cos (periphery adjacent cell longitudes-Serving cell
Longitude)]；
The longitude of the periphery adjacent cell and Serving cell is apart from L_distance=R*arccos [Sin Serving cell latitudes
(periphery adjacent cell longitude-service is little for degree * Sin Serving cell latitude+Cos Serving cell latitude * Cos Serving cells latitude * Cos
Area's longitude)], wherein R=6370km.
When periphery adjacent cell is located at first quartile, the deflection True_dir=90- of the base station in service sector antenna
arccos(L_distance/Distance)；
When periphery adjacent cell is located at the second quadrant, the deflection True_dir=90+ of the base station in service sector antenna
arccos(L_distance/Distance)；
When periphery adjacent cell is located at third quadrant, the deflection True_dir=270- of the base station in service sector antenna
arccos(L_distance/Distance)；
When periphery adjacent cell is located at fourth quadrant, the deflection True_dir=270+ of the base station in service sector antenna
arccos(L_distance/Distance)；
When periphery adjacent cell is located at x-axis positive axis, the deflection True_dir=90 of the base station in service sector antenna；
When periphery adjacent cell is located at x-axis bears semiaxis, the deflection True_dir=of the base station in service sector antenna
270；
When periphery adjacent cell is located at y-axis positive axis, the deflection True_dir=0 of the base station in service sector antenna；
When periphery adjacent cell is located at y-axis bears semiaxis, the deflection True_dir=of the base station in service sector antenna
180。
The deflection of the deviation angle DOTA_dir=TRUE_dir-data place storage.
It is described mean value computation is carried out to multiple calculated base station in service sector antenna direction angular variation to include：First distinguish
The sinusoidal and cosine of the base station in service sector antenna directional angle True_dir corresponding to layer inner rim adjacent cell is sought, then asks this respectively
The sum of a little sinusoidal and cosine, is designated as SUMSINA and SUMCOS, then final deflection average is number corresponding to SUMSINA/SUMCOS
The arc-tangent value of value；
The method of the average of the base station in service sector antenna direction angular variation for obtaining is：Deflection average and database
The absolute value of the difference of the deflection for being stored.
As seen from the above technical solutions, measured data of the present invention based on mobile phone quickly judges base station in service sector antenna
Deflection whether shift, such that it is able to automatically and quickly determine whether the deflection of antenna for base station shifts, and have
Effect ground reduces the workload of staff.
Description of the drawings
Fig. 1 is the flow chart of antenna for base station deflection check method described in one embodiment of the invention；
Fig. 2 is the flow chart of antenna for base station deflection check method described in another embodiment of the present invention；
Fig. 3 is the flow chart of the direction angular variation of determination base station in service sector antenna in the embodiment of the present invention.
Specific embodiment
To make the purpose of the present invention, technical scheme and advantage become more apparent, develop simultaneously embodiment referring to the drawings,
The present invention is described in more detail.
The present invention main thought be：Receive the measured data of mobile phone upload and be stored in OMC operation and maintenance centre (OMC)
In database, the distribution of carrier/interface ratio that sampled point in the periphery adjacent cell received by Serving cell is measured with reference to sampled point and
Position relationship between Serving cell is judged to whether the deflection of base station in service sector antenna offsets, if antenna directional angle
There is skew, then relevant information is shown on Distribution GIS platform.
Fig. 1 is the flow chart of antenna for base station deflection check method described in one embodiment of the invention.As shown in figure 1,
The method of the invention is mainly included the following steps that：
Step 101, the measured data for receiving mobile phone upload are simultaneously stored in database.
The measured data includes：The average descending level of Serving cell name, Serving cell, Serving cell longitude and latitude (i.e. base
The longitude and latitude stood)；Longitude and latitude (the i.e. sampled point of periphery adjacent cell name, periphery adjacent cell average descending level, periphery adjacent cell
Longitude and latitude)；The carrier/interface ratio list of Serving cell and adjacent cell, wherein carrier/interface ratio are descending for the Serving cell that sample point is received
The ratio of level and the descending level of adjacent cell.Dorsad measure and decode at a distance wrong in order to exclude in-plant antenna
By mistake, it is necessary to the pretreatment such as abnormal is carried out to measured data, i.e., the screening of distance and carrier/interface ratio is introduced to measured data, come with this
Exclude and useless metrical information is calculated to deflection.The distance screening is to filter out the cell in the range of distance to a declared goal, away from
Close to too, may be the cell with Serving cell with base station, away from too far away, Serving cell be affected to ignore.It is described to carry dry
Specifying cell carrier/interface ratio in the range of, carrier/interface ratio too little impact to Serving cell ignore to filter out than screening, carrying
The dry cell big Bi too may be the same base station cell of Serving cell or and service relative adjacent little of cell-site antenna deflection
Area.Concrete screening conditions can be selected according to engineering is actual, are just repeated no more here.
Step 102, according to the carrier/interface ratio distribution and sampled point measured in periphery adjacent cell sampled point in measured data
The direction angular variation of base station in service sector antenna is determined with the position relationship of service minizone.
Fig. 3 is to be distributed according to the carrier/interface ratio measured in periphery adjacent cell sampled point in measured data in the embodiment of the present invention
And the flow chart that the position relationship of sampled point and service minizone determines the direction angular variation of base station in service sector antenna.As schemed
Shown in 3, mainly include the following steps that：
Step 1021, the essential information according to needed for deflection is verified in the measured data generation for collecting, and serviced
Cell is with periphery adjacent cell apart from list, the quadrant list of periphery adjacent cell and service cell-site antenna deflection list.
Essential information needed for the verification deflection includes：The quadrant that periphery adjacent cell (sampled point) is located
Apart from the Distance (sampled points and Serving cell i.e. in periphery adjacent cell between Quadrant, periphery adjacent cell and Serving cell
The distance between base station), the longitude distance of periphery adjacent cell and Serving cell (assume what sampled point and base station same latitude were calculated
Distance) L_distance, the deflection True_dir of base station in service sector antenna, deviation angle DOTA_dir.
It is well known that the deflection of portable antenna refers to that direct north is rotated in a clockwise direction to antenna direction and is formed
Horizontal sextant angle, span be 0-360 degree.Centered on the base station of Serving cell, due east (longitude) direction is x to the present invention
Axle, positive north (latitude) direction are y-axis, set up plane right-angle coordinate.
When periphery adjacent cell latitude-Serving cell latitude>0 and periphery adjacent cell longitude-Serving cell longitude>It is when 0, above-mentioned
The quadrant Quadrant that periphery adjacent cell (sampled point) is located is first quartile；
When periphery adjacent cell latitude-Serving cell latitude<0 and periphery adjacent cell longitude-Serving cell longitude>It is when 0, above-mentioned
The quadrant Quadrant that periphery adjacent cell (sampled point) is located is the second quadrant；
When periphery adjacent cell latitude-Serving cell latitude<0 and periphery adjacent cell longitude-Serving cell longitude<It is when 0, above-mentioned
The quadrant Quadrant that periphery adjacent cell (sampled point) is located is third quadrant；
When periphery adjacent cell latitude-Serving cell latitude>0 and periphery adjacent cell longitude-Serving cell longitude<It is when 0, above-mentioned
The quadrant Quadrant that periphery adjacent cell (sampled point) is located is fourth quadrant；
When periphery adjacent cell latitude-Serving cell latitude=0 and periphery adjacent cell longitude-Serving cell longitude>When 0, on
It is x-axis positive axis to state the quadrant Quadrant that periphery adjacent cell (sampled point) is located；
When periphery adjacent cell latitude-Serving cell latitude=0 and periphery adjacent cell longitude-Serving cell longitude<When 0, on
It is the negative semiaxis of x-axis to state the quadrant Quadrant that periphery adjacent cell (sampled point) is located；
When periphery adjacent cell latitude-Serving cell latitude>0 and during periphery adjacent cell longitude-Serving cell longitude=0, on
It is y-axis positive axis to state the quadrant Quadrant that periphery adjacent cell (sampled point) is located；
When periphery adjacent cell latitude-Serving cell latitude<0 and during periphery adjacent cell longitude-Serving cell longitude=0, on
It is the negative semiaxis of y-axis to state the quadrant Quadrant that periphery adjacent cell (sampled point) is located.
Apart from the Distance and Jing of the periphery adjacent cell and Serving cell between the periphery adjacent cell and Serving cell
Degree distance (assuming the distance calculated by sampled point and base station same latitude) L_distance can utilize point-to-point transmission on the earth away from
Calculate from formula.Calculate for convenience, it is assumed that the earth is a standard ball, and radius is R, then any two points A on the earth (x,
Y) spherical distance and between B (a, b) is R* { arccos [cosb*cosy*cos (a-x)+sinb*siny] } wherein x, and a is Jing
Angle value, y, b are latitude value, and wherein east longitude takes and takes negative value on the occasion of, west longitude, north latitude take on the occasion of, south latitude takes negative value, such as, east longitude 30
Degree, value is 30,50 degree of west longitude, and value is -50, then：
Apart from Distance=R*arccos [Sin Serving cell latitude * Sin between the periphery adjacent cell and Serving cell
Periphery adjacent cell latitude+Cos Serving cell latitude * Cos periphery adjacent cell latitude * Cos (periphery adjacent cell longitudes-Serving cell
Longitude)]；
The periphery adjacent cell and Serving cell longitude distance (assume that sampled point and base station same latitude calculated away from
From) [Sin Serving cell latitude * Sin Serving cell latitude+Cos Serving cell latitude * Cos take L_distance=R*arccos
Business cell latitude * Cos (periphery adjacent cell longitude-Serving cell longitude)], wherein earth radius R typically takes 6370km.
When periphery adjacent cell is located at first quartile, the deflection True_dir=90- of the base station in service sector antenna
arccos(L_distance/Distance)；
When periphery adjacent cell is located at the second quadrant, the deflection True_dir=90+ of the base station in service sector antenna
arccos(L_distance/Distance)；
When periphery adjacent cell is located at third quadrant, the deflection True_dir=270- of the base station in service sector antenna
arccos(L_distance/Distance)；
When periphery adjacent cell is located at fourth quadrant, the deflection True_dir=270+ of the base station in service sector antenna
arccos(L_distance/Distance)；
When periphery adjacent cell is located at x-axis positive axis, the deflection True_dir=90 of the base station in service sector antenna；
When periphery adjacent cell is located at x-axis bears semiaxis, the deflection True_dir=of the base station in service sector antenna
270；
When periphery adjacent cell is located at y-axis positive axis, the deflection True_dir=0 of the base station in service sector antenna；
When periphery adjacent cell is located at y-axis bears semiaxis, the deflection True_dir=of the base station in service sector antenna
180。
The deflection of the deviation angle DOTA_dir=True_dir- data place storage.
The Serving cell is with periphery adjacent cell in list records base station in service sector with each periphery adjacent cell
The range information of all sampled points.
Quadrant information in the quadrant list records of the periphery adjacent cell each periphery adjacent cells residing for all sampled points.
The base station in service sector antenna directional angle list records are calculated according to all sampled points in each periphery adjacent cell
The base station in service sector antenna direction angle information for going out.
Step 1022, to carrier/interface ratio list and apart from Serving cell in list and the carrier/interface ratio and distance of its all adjacent cell
Average respectively, and carrier/interface ratio average table is obtained and apart from average table according to sampled point screening conditions.
The sampled point screening conditions include carrier/interface ratio screening and distance screening, and such as screening conditions are that distance is public more than 5
In, then sampled point of all distances less than or equal to 5 kilometers is all filtered；If screening conditions are distance is less than 10 kilometers,
All distances are all filtered more than or equal to 10 kilometers of sampled point, etc..
The average carrier/interface ratio of Serving cell and its each adjacent cell in carrier/interface ratio average table record carrier/interface ratio list, specifically
Using the average carrier/interface ratio of all sampled points in an adjacent cell as Serving cell and the average carrier/interface ratio of the adjacent cell；
Apart from average table record apart from Serving cell in list and the average distance of its each adjacent cell, specifically by one
In adjacent cell all sampled points to base station in service sector average distance as Serving cell and the adjacent cell average distance.
Step 1023, the surrounding geographical environment that Serving cell is judged according to carrier/interface ratio average table and apart from average table, according to
Adjacent cell screening conditions carry out hierarchical screening to the periphery adjacent cell of Serving cell, to base station in service sector antenna directional angle list
Mean value computation is carried out, and is calculated antenna for base station direction angular variation.
Here surrounding geographical environment includes dense city, and town and country combine, spacious area, can be according to carrying out apart from average
The judgement of empirical value, general spaciousness area is 8 kms, and it is 4 kms that town and country combine, and dense city is 2 kms.
The adjacent cell screening conditions are layered according to surrounding geographical environment, are such as layered with 8 kilometers, then by periphery
Adjacent cell is divided into 8 kilometers with outer layer, and 8 kilometers with internal layer.
The computational methods of deflection average are as follows：Base station in service sector day corresponding to layer inner rim adjacent cell is sought respectively first
The sinusoidal and cosine of line deflection True_dir, then the sum of these sinusoidal and cosine is sought respectively, SUMSINA and SUMCOS is designated as,
Then final deflection average is the arc-tangent value of numerical value corresponding to SUMSINA/SUMCOS.
The computational methods of the base station in service sector antenna direction angular variation are：Deflection average and the storage of data place
The absolute value of the difference of deflection.
If user have selected repeatedly screening, then can repeatedly be input into different sampled point screenings with repeat the above steps
Condition and/or adjacent cell screening conditions, and average is carried out to multiple calculated base station in service sector antenna direction angular variation
Calculate, so as to using the average of base station in service sector antenna direction angular variation that obtains as final base station in service sector antenna direction
The skew at angle.
Flow charts of the Fig. 2 for the check method of antenna for base station deflection described in another embodiment of the present invention. such as Fig. 2 institutes
Show, also include after step 102：
Step 103, judge whether the direction angular variation of base station in service sector antenna has exceeded predetermined threshold value, if it is,
Execution step 104, if not, terminating flow process.
During network operation after antenna for base station is initially installed, because the impact of wind direction, the direction of antenna for base station
Angle can all occur some slight skews, if the skew of deflection is in certain scope, and be unlikely to affect mobile communication
The service quality of network, then may not necessarily continually adjust the deflection of antenna, if so the direction angular variation verified out exists
In one default threshold range, then can directly terminate flow process.
Step 104, show on GIS-Geographic Information System (GIS) platform base station in service sector antenna deflection skew letter
Breath.
Engineers and technicians can understand base station in service sector antenna directional angle by information shown in GIS platform
Offset information the in time deflection of adjustment antenna for base station, cause shifting because what natural calamity or other reasonses occurred so as to overcome
The direction angular variation that dynamic communication network quality declines, safeguards the service quality of mobile communications network, realizes mobile communications network
Even running.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any people for being familiar with the technology disclosed herein technical scope in, the change or replacement that can be readily occurred in should all be covered
Within protection scope of the present invention.
Claims (7)
1. a kind of antenna directional angle check method based on mobile phone measured data, it is characterised in that methods described includes：
Step A, the measured data for receiving mobile phone upload are simultaneously stored in database；
Step B, according to the carrier/interface ratio distribution and sampled point and service measured in periphery adjacent cell sampled point in measured data
The position relationship of minizone determines the direction angular variation of base station in service sector antenna；Step B is specially：
B1. the essential information needed for verifying deflection is generated according to the measured data for collecting, and obtains Serving cell and periphery
Adjacent cell apart from list, the quadrant list of periphery adjacent cell and service cell-site antenna deflection list, the basic letter
Breath at least includes：Periphery adjacent cell be located quadrant Quadrant, between periphery adjacent cell and Serving cell apart from Distance, week
The longitude of side adjacent cell and Serving cell is apart from L_distance, the deflection True_dir of base station in service sector antenna, skew
Angle DOTA_dir；
B2. carrier/interface ratio list and carrier/interface ratio and distance apart from Serving cell in list with its all adjacent cell are averaging respectively
Value, and carrier/interface ratio average table is obtained and apart from average table according to sampled point screening conditions, the sampled point screening conditions include carrying
It is dry to screen than screening and distance；
B3. hierarchical screening is carried out to the periphery adjacent cell of Serving cell according to adjacent cell screening conditions, to base station in service sector day
The list of line deflection carries out mean value computation, and is calculated base station in service sector antenna direction angular variation, the adjacent cell screening
Condition is Serving cell to be layered apart from average with all adjacent cells according to surrounding geographical environment；
If user have selected repeatedly screening, then above-mentioned B2 to B3 can be repeated, and be repeatedly input into different sampled point screenings
Condition and/or adjacent cell screening conditions, and average is carried out to multiple calculated base station in service sector antenna direction angular variation
Calculate, so as to using the average of base station in service sector antenna direction angular variation that obtains as final base station in service sector antenna direction
The skew at angle；
Further include after stepb：When the direction angular variation of base station in service sector antenna is more than predetermined threshold value, in geography
Base station in service sector antenna directional angle offset information is shown in information system GIS platform.
2. method according to claim 1, it is characterised in that the measured data at least includes：Serving cell averagely under
Line level, Serving cell longitude and latitude, periphery adjacent cell average descending level, the longitude and latitude of periphery adjacent cell and Serving cell and neighbour
The carrier/interface ratio list of cell.
3. method according to claim 2, it is characterised in that
When periphery adjacent cell latitude-Serving cell latitude>0 and periphery adjacent cell longitude-Serving cell longitude>When 0, the periphery
The quadrant Quadrant that adjacent cell is located is first quartile；
When periphery adjacent cell latitude-Serving cell latitude<0 and periphery adjacent cell longitude-Serving cell longitude>When 0, the periphery
The quadrant Quadrant that adjacent cell is located is the second quadrant；
When periphery adjacent cell latitude-Serving cell latitude<0 and periphery adjacent cell longitude-Serving cell longitude<When 0, the periphery
The quadrant Quadrant that adjacent cell is located is third quadrant；
When periphery adjacent cell latitude-Serving cell latitude>0 and periphery adjacent cell longitude-Serving cell longitude<When 0, the periphery
The quadrant Quadrant that adjacent cell is located is fourth quadrant；
When periphery adjacent cell latitude-Serving cell latitude=0 and periphery adjacent cell longitude-Serving cell longitude>When 0, the week
The quadrant Quadrant that side adjacent cell is located is x-axis positive axis；
When periphery adjacent cell latitude-Serving cell latitude=0 and periphery adjacent cell longitude-Serving cell longitude<When 0, the week
The quadrant Quadrant that side adjacent cell is located is the negative semiaxis of x-axis；
When periphery adjacent cell latitude-Serving cell latitude>0 and during periphery adjacent cell longitude-Serving cell longitude=0, the week
The quadrant Quadrant that side adjacent cell is located is y-axis positive axis；
When periphery adjacent cell latitude-Serving cell latitude<0 and during periphery adjacent cell longitude-Serving cell longitude=0, the week
The quadrant Quadrant that side adjacent cell is located is the negative semiaxis of y-axis.
4. method according to claim 3, it is characterised in that
Apart from Distance=R*arccos [Sin Serving cell latitude * Sin peripheries between the periphery adjacent cell and Serving cell
Adjacent cell latitude+Cos Serving cell latitude * Cos periphery adjacent cell latitude * Cos (periphery adjacent cell longitudes-Serving cell Jing
Degree)]；
The longitude of the periphery adjacent cell and Serving cell is apart from L_distance=R*arccos [Sin Serving cell latitude *
Sin Serving cell latitude+Cos Serving cell latitude * Cos Serving cell latitude * Cos (periphery adjacent cell longitudes-Serving cell Jing
Degree)], wherein R=6370km.
5. method according to claim 4, it is characterised in that
When periphery adjacent cell is located at first quartile, the deflection True_dir=90- of the base station in service sector antenna
arccos(L_distance/Distance)；
When periphery adjacent cell is located at the second quadrant, the deflection True_dir=90+ of the base station in service sector antenna
arccos(L_distance/Distance)；
When periphery adjacent cell is located at third quadrant, the deflection True_dir=270- of the base station in service sector antenna
arccos(L_distance/Distance)；
When periphery adjacent cell is located at fourth quadrant, the deflection True_dir=270+ of the base station in service sector antenna
arccos(L_distance/Distance)；
When periphery adjacent cell is located at x-axis positive axis, the deflection True_dir=90 of the base station in service sector antenna；
When periphery adjacent cell is located at x-axis bears semiaxis, the deflection True_dir=270 of the base station in service sector antenna；
When periphery adjacent cell is located at y-axis positive axis, the deflection True_dir=0 of the base station in service sector antenna；
When periphery adjacent cell is located at y-axis bears semiaxis, the deflection True_dir=180 of the base station in service sector antenna.
6. method according to claim 5, it is characterised in that
The deflection of the deviation angle DOTA_dir=True_dir-data place storage.
7. method according to claim 1, it is characterised in that described to multiple calculated base station in service sector antenna
Direction angular variation carries out mean value computation to be included：Base station in service sector antenna direction corresponding to layer inner rim adjacent cell is sought respectively first
The sinusoidal and cosine of angle True_dir, then the sum of these sinusoidal and cosine is sought respectively, SUMSINA and SUMCOS is designated as, then finally
Arc-tangent value of the deflection average for numerical value corresponding to SUMSINA/SUMCOS；
The method of the average of the base station in service sector antenna direction angular variation for obtaining is：Deflection average is deposited with data place
The absolute value of the difference of the deflection of storage.
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| CN105813103B (en) * | 2014-12-31 | 2019-05-07 | 中国电信股份有限公司 | The measurement method and device of base station pitch angle |
| CN106844757A (en) * | 2017-02-17 | 2017-06-13 | 山东浪潮商用系统有限公司 | A kind of antenna azimuth Outlier mining method |
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| CN108235241A (en) * | 2018-01-05 | 2018-06-29 | 北京胜普多邦通信技术有限公司 | It is a kind of that LTE cells azimuth angle deviation and reversed method are judged based on MDT |
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