CN102932819A - Method for checking azimuthal angle of base station cell - Google Patents
Method for checking azimuthal angle of base station cell Download PDFInfo
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- CN102932819A CN102932819A CN2012104703007A CN201210470300A CN102932819A CN 102932819 A CN102932819 A CN 102932819A CN 2012104703007 A CN2012104703007 A CN 2012104703007A CN 201210470300 A CN201210470300 A CN 201210470300A CN 102932819 A CN102932819 A CN 102932819A
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Abstract
The invention discloses a method for checking an azimuthal angle of a base station cell, which comprises the following steps: acquiring data of the base station cell; selecting a reference cell; determining corresponding logic azimuthal angles of the base station cell to be checked and the reference cell; calculating a weighted average of the corresponding logic azimuthal angles of the base station cell to be checked and the reference cell; and judging and outputting a checking result of the azimuthal angle of the base station cell to be checked. A base station maintenance center can maintain a base station of which the azimuthal angle is deviated or back in a targeted manner according to the checking result. The checking method has a high checking accuracy and a high efficiency, reduces the manual maintenance workload and reduces the operating cost.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of to the azimuthal check method of base station cell, and then can judge the sector misalignment of verifying the residential quarter.
Background technology
At present, in mobile communication system, the emission of spacing wireless signal and acceptance all rely on antenna to realize.Therefore, antenna plays a part very important for mobile communications network.In the parameters of configurating base station antenna, antenna azimuth is a very important ring, on the one hand, accurately the azimuth can guarantee the base station actual covering with desired identical, guarantee the running quality of whole network; On the other hand, according to the concrete condition that telephone traffic or network exist suitable adjustment is carried out at the azimuth, can be optimized better existing mobile communications network.But in the mobile communications network of reality, the azimuth of antenna may variation occur owing to a variety of causes.Deviation of azimuth angle of base station antenna refers to that there are the situation of deviation in the actual coverage direction of antenna and planning or data-base recording; It is excessive that deviation appears in antenna azimuth, not only can cause website to absorb that traffic is uneven, frequency planning is difficult, also can cause covering problem, can't be in GIS true reflection information coverage condition.Generally will verify the azimuth, residential quarter, need manually a large amount of data analysis to be investigated, also will go up base station field review and measurement, greatly increase us to azimuthal verification difficulty, the investigation maintenance workload is large, and operation cost is high.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, graphics calculations and the analysis of a kind of GIS of utilization are provided, misarrangement is verified at azimuth to base station cell, find wrong cell to and guide correction initiatively, in time, thus the azimuthal method of verification base station cell that reduces the investigation maintenance workload, cuts operating costs.
To achieve these goals, the present invention has adopted following technical scheme:
The azimuthal method of a kind of verification base station cell, the method may further comprise the steps successively:
(1) data of collection base station cell: from OSS (Operation ﹠amp; Support System) gathers minizone traffic switch data (being minizone traffic switching times) in the server, gather the base station engineering parameter from the base station data storehouse, and the basic data source that the minizone traffic switch data that collects and base station engineering parameter are used as subsequent step;
Described base station engineering parameter comprises the azimuthal parameter such as put in order in latitude and longitude of base station, whether indoor covering, cell type, area type, azimuthal angle value and each residential quarter, base station;
(2) select with reference to the residential quarter: select with base station cell to be verified 3～9 base station cells that apart the traffic switch data is maximum in the adjacent base station residential quarter more than 50 meters as the reference residential quarter;
(3) determine base station cell to be verified with reference to logic azimuth corresponding to residential quarter: base station that will base station cell be verified place is made as the A point, is made as the B point with reference to the base station at place, residential quarter; Along with reference to the azimuthal directions of rays in residential quarter, get distance and be that the some C of d, d are the base station A point and 1/2 of the air line distance of ordering with reference to the base station B at place, residential quarter at base station cell to be verified place; At this moment, the azimuth of ray AC be ray AC with angle β between the straight line AB be base station cell to be verified with reference to logic azimuth corresponding to residential quarter;
(4) calculate base station cell to be verified with reference to the azimuthal weighted average of logic corresponding to residential quarter: the data substitution formula that step (1) to step (3) is drawn
The azimuthal weighted average of middle computational logic; α is the azimuthal weighted average of logic in the formula, i is the number value with reference to the residential quarter, b is the number with reference to the residential quarter, β be base station cell to be verified with reference to the azimuthal angle value of logic corresponding to residential quarter, v is base station cell to be verified and with reference to the traffic switching times between the residential quarter;
(5) judge, export the azimuthal verification result of base station cell to be verified: the angle value at true bearing angle that will base station cell be verified and the azimuthal weighted average α of logic that step (4) calculates are analyzed:
1. the angle value at the true bearing angle of base station cell to be verified and the azimuthal weighted average α of logic phase difference judge that then base station cell to be verified azimuth is normal below 30 degree;
2. the angle value at the true bearing angle of base station cell to be verified and the azimuthal weighted average α of logic phase difference are then suspected base station cell azimuth angle deviation to be verified below 30 degree above 90 are spent;
3. the angle value at the true bearing angle of base station cell to be verified and the azimuthal weighted average α of logic phase difference are suspected base station cell to be verified azimuth dorsad more than 90 degree;
Can export to the base station maintenance center after drawing the above results, check and verify maintenance to suspecting azimuth angle deviation or base station dorsad.
Further specify as of the present invention, above-described step (2) is selected with reference in the residential quarter, when with base station cell to be verified at a distance of choosing by actual number during 9 of adjacent base station residential quarter less thaies more than 50 meters, then abandon verifying current base station cell during 2 of less thaies.When getting 9 with base station cell to be verified general acquiescence when the adjacent base station residential quarter is more than 9 more than 50 meters.
Further specify as of the present invention, above-described minizone traffic switch data is the minizone traffic switch data in the traffic measurements of every day 9,10,11,18,19,20 o'clock 6 peak periods.
Further specify as of the present invention, when the angle value at the true bearing angle of base station cell to be verified is spent less than positive and negative 30 with the azimuthal weighted average α of logic phase difference in the above-described step (5), judge that then base station cell to be verified azimuth is normal, otherwise suspect azimuth angle deviation or dorsad, the size of the absolute value of difference can be expressed as azimuth angle deviation or degree dorsad.
Further specify as of the present invention, the above verifies the azimuthal method of base station cell being applied as in the dislocation judgement of base station cell sector: the base station azimuthal weighted average of each residential quarter logic that step (4) draws is arranged from small to large, then compare with azimuthal the putting in order in the residential quarter of base station configuration data, when the appearance order not simultaneously, then judge the dislocation of this base station cell sector.
The present invention relates to OSS (Operation ﹠amp; Support System) the datamation ground such as traffic measurement data, neighboring BS relationship, geographical position, base station type, carrier frequency data gather, process, analyze, verify; Logic azimuth by the calculation base station residential quarter, find out the different residential quarter of true bearing angular difference, be judged to be the azimuth dorsad and deviation by difference condition, and provide the correction suggestion, successfully solved the azimuthal automatic inspection problem of base station cell, guaranteed that the base station virtual condition can truly reflect; By the working method of artificial investigation, the actual measurement of upper station, manpower and materials have greatly been saved before replacing with the working method of the discovery potential network hidden danger of initiative.The process of choosing with reference to the residential quarter of uniqueness in the method, the impact of having avoided sporadic handoff relation to cause only selects important neighbor cell as the reference residential quarter, does not select at a distance of too near with reference to the residential quarter, get rid of data and disturb, so that the accuracy of result of calculation is very high.As: only select several maximum (can by the actual conditions adjustment, give tacit consent to 9) neighbor cells of switching times, got rid of unessential handoff relation to the impact of computational process; The neighbor cell of chosen distance excessively near (can by the actual conditions adjustment, acquiescence more than 50 meters or 50 meters) is as the reference residential quarter, do not got rid of because the residential quarter of overlapping covering, and the switch data that causes in user's movement disturbs; During for 2 of qualified neighbor cell less thaies, abandon examination, can improve verification speed.
Advantage of the present invention:
The verification accuracy rate is high, efficient is high, reduces the manual maintenance workload, cuts operating costs.Related data and corresponding formula by operation management server storage calculate, draw the base station cell azimuth whether deviation, wait dorsad; By the working method of artificial investigation, the actual measurement of upper station, manpower and materials have greatly been saved before replacing with the working method of the discovery potential network hidden danger of initiative.
Description of drawings
Fig. 1 be determine among the present invention base station cell to be verified with reference to the azimuthal schematic diagram of logic corresponding to residential quarter.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
Embodiment 1:
The azimuthal method of a kind of verification base station cell may further comprise the steps successively:
(1) data of collection base station cell: from OSS (Operation ﹠amp; Support System) gathers minizone traffic switch data in the server, gather the base station engineering parameter from the base station data storehouse;
Described minizone traffic switch data is the minizone traffic switch data in the traffic measurements of every day 9,10,11,18,19,20 o'clock 6 peak periods;
Described base station engineering parameter comprises the azimuthal supplemental characteristic such as put in order in latitude and longitude of base station, whether indoor covering, cell type, area type, azimuthal angle value and each residential quarter, base station;
(2) select with reference to the residential quarter: select with base station cell to be verified 9 base station cells that apart handoff relation is maximum in the adjacent base station residential quarter more than 50 meters as the reference residential quarter;
(3) determine base station cell to be verified with reference to logic azimuth corresponding to residential quarter: base station that will base station cell be verified place is made as the A point, is made as the B point with reference to the base station at place, residential quarter; Along with reference to the azimuthal directions of rays in residential quarter, get distance and be the some C of d; At this moment, the azimuth of ray AC be base station cell to be verified with reference to logic azimuth corresponding to residential quarter;
Described is the base station A point and 1/2 of the air line distance of ordering with reference to the base station B at place, residential quarter at base station cell to be verified place apart from d;
(4) calculate base station cell to be verified with reference to the azimuthal weighted average of logic corresponding to residential quarter: the data substitution formula that step (1) to step (3) is drawn
The azimuthal weighted average of middle computational logic; α is the azimuthal weighted average of logic in the formula, i is the number value with reference to the residential quarter, b is the number with reference to the residential quarter, β be base station cell to be verified with reference to the azimuthal angle value of logic corresponding to residential quarter, v is base station cell to be verified and with reference to the traffic switching times between the residential quarter;
(5) judge, export the azimuthal verification result of base station cell to be verified: the angle value at true bearing angle that will base station cell be verified and the azimuthal weighted average α of logic that step (4) calculates are analyzed:
1. the angle value at the true bearing angle of base station cell to be verified and the azimuthal weighted average α of logic phase difference judge that then base station cell to be verified azimuth is normal below 30 degree;
2. the angle value at the true bearing angle of base station cell to be verified and the azimuthal weighted average α of logic phase difference are then suspected base station cell azimuth angle deviation to be verified below 30 degree above 90 are spent;
3. the angle value at the true bearing angle of base station cell to be verified and the azimuthal weighted average α of logic phase difference are suspected base station cell to be verified azimuth dorsad more than 90 degree;
Can export to the base station maintenance center after drawing the above results, check and verify maintenance to suspecting azimuth angle deviation or base station dorsad.
This is verified, and the azimuthal method of base station cell is verified the accuracy rate height, efficient is high, reduces the manual maintenance workload, cuts operating costs.
Embodiment 2:
The azimuthal method of a kind of verification base station cell may further comprise the steps successively:
(1) data of collection base station cell: from OSS (Operation ﹠amp; Support System) gathers minizone traffic switch data in the server, gather the base station engineering parameter from the base station data storehouse;
Described minizone traffic switch data is the minizone traffic switch data in the traffic measurements of every day 9,10,11,18,19,20 o'clock 6 peak periods;
Described base station engineering parameter comprises the azimuthal supplemental characteristic such as put in order in latitude and longitude of base station, whether indoor covering, cell type, area type, azimuthal angle value and each residential quarter, base station;
(2) select with reference to the residential quarter: select with base station cell to be verified 6 base station cells that apart handoff relation is maximum in the adjacent base station residential quarter more than 55 meters as the reference residential quarter;
(3) determine base station cell to be verified with reference to logic azimuth corresponding to residential quarter: base station that will base station cell be verified place is made as the A point, is made as the B point with reference to the base station at place, residential quarter; Along with reference to the azimuthal directions of rays in residential quarter, get distance and be the some C of d; At this moment, the azimuth of ray AC be base station cell to be verified with reference to logic azimuth corresponding to residential quarter;
Described is the base station A point and 1/2 of the air line distance of ordering with reference to the base station B at place, residential quarter at base station cell to be verified place apart from d;
(4) calculate base station cell to be verified with reference to the azimuthal weighted average of logic corresponding to residential quarter: the data substitution formula that step (1) to step (3) is drawn
The azimuthal weighted average of middle computational logic; α is the azimuthal weighted average of logic in the formula, i is the number value with reference to the residential quarter, b is the number with reference to the residential quarter, β be base station cell to be verified with reference to the azimuthal angle value of logic corresponding to residential quarter, v is base station cell to be verified and with reference to the traffic switching times between the residential quarter;
(5) judge, export the azimuthal verification result of base station cell to be verified: the angle value at true bearing angle that will base station cell be verified and the azimuthal weighted average α of logic that step (4) calculates are analyzed:
1. the angle value at the true bearing angle of base station cell to be verified and the azimuthal weighted average α of logic phase difference judge that then base station cell to be verified azimuth is normal below 30 degree;
2. the angle value at the true bearing angle of base station cell to be verified and the azimuthal weighted average α of logic phase difference are then suspected base station cell azimuth angle deviation to be verified below 30 degree above 90 are spent;
3. the angle value at the true bearing angle of base station cell to be verified and the azimuthal weighted average α of logic phase difference are suspected base station cell to be verified azimuth dorsad more than 90 degree;
Can export to the base station maintenance center after drawing the above results, check and verify maintenance to suspecting azimuth angle deviation or base station dorsad.
This is verified, and the azimuthal method of base station cell is verified the accuracy rate height, efficient is high, reduces the manual maintenance workload, cuts operating costs.
Embodiment 3:
Be with the difference of embodiment 1, only chosen 3 maximum adjacent base station cells of traffic switch data as the reference residential quarter.
The application that the above-mentioned azimuthal method of verification base station cell is judged in the dislocation of base station cell sector: the base station azimuthal weighted average of each residential quarter logic that step (4) draws is arranged from small to large, then compare with azimuthal the putting in order in the residential quarter of base station configuration data, when the appearance order not simultaneously, then judge the dislocation of this base station cell sector.
Claims (5)
1. verify the azimuthal method of base station cell for one kind, it is characterized in that: the method may further comprise the steps successively:
(1) data of collection base station cell: from the OSS server, gather minizone traffic switch data, gather the base station engineering parameter from the base station data storehouse, and the basic data source that the minizone traffic switch data that collects and base station engineering parameter are used as subsequent step;
Described base station engineering parameter comprises latitude and longitude of base station, whether indoor covering, cell type, area type, azimuthal the putting in order of azimuthal angle value and each residential quarter, base station;
(2) select with reference to the residential quarter: select with base station cell to be verified 3～9 base station cells that apart the traffic switch data is maximum in the adjacent base station residential quarter more than 50 meters as the reference residential quarter;
(3) determine base station cell to be verified with reference to logic azimuth corresponding to residential quarter: base station that will base station cell be verified place is made as the A point, is made as the B point with reference to the base station at place, residential quarter; Along with reference to the azimuthal directions of rays in residential quarter, get distance and be that the some C of d, d are the base station A point and 1/2 of the air line distance of ordering with reference to the base station B at place, residential quarter at base station cell to be verified place; At this moment, the azimuthal angle beta of ray AC be base station cell to be verified with reference to logic azimuth corresponding to residential quarter;
(4) calculate base station cell to be verified with reference to the azimuthal weighted average of logic corresponding to residential quarter: the data substitution formula that step (1) to step (3) is drawn
The azimuthal weighted average of middle computational logic; α is the azimuthal weighted average of logic in the formula, i is the number value with reference to the residential quarter, b is the number with reference to the residential quarter, β be base station cell to be verified with reference to the azimuthal angle value of logic corresponding to residential quarter, v is base station cell to be verified and with reference to the traffic switching times between the residential quarter;
(5) judge, export the azimuthal verification result of base station cell to be verified: the angle value at true bearing angle that will base station cell be verified and the azimuthal weighted average α of logic that step (4) calculates are analyzed:
1. the angle value at the true bearing angle of base station cell to be verified and the azimuthal weighted average α of logic phase difference judge that then base station cell to be verified azimuth is normal below 30 degree;
2. the angle value at the true bearing angle of base station cell to be verified and the azimuthal weighted average α of logic phase difference are then suspected base station cell azimuth angle deviation to be verified below 30 degree above 90 are spent;
3. the angle value at the true bearing angle of base station cell to be verified and the azimuthal weighted average α of logic phase difference are suspected base station cell to be verified azimuth dorsad more than 90 degree;
Can export to the base station maintenance center after drawing the above results, check and verify and safeguard suspecting azimuth angle deviation or base station dorsad.
2. the azimuthal method of verification base station cell according to claim 1, it is characterized in that: described step (2) is selected with reference in the residential quarter, when with base station cell to be verified at a distance of choosing by actual number during 9 of adjacent base station residential quarter less thaies more than 50 meters, then abandon verifying current base station cell during 2 of less thaies.
3. the azimuthal method of verification base station cell according to claim 1 is characterized in that: described minizone traffic switch data is the minizone traffic switch data in the traffic measurements of every day 9,10,11,18,19,20 o'clock 6 peak periods.
4. the azimuthal method of each described verification base station cell according to claim 1-3, it is characterized in that: when the angle value at the true bearing angle of base station cell to be verified is spent less than positive and negative 30 with the azimuthal weighted average α of logic phase difference in the described step (5), judge that then base station cell to be verified azimuth is normal, otherwise suspect azimuth angle deviation or dorsad, the size of the absolute value of difference is expressed as azimuth angle deviation or degree dorsad.
5. one kind such as the claim 1-4 application that the azimuthal method of verification base station cell is judged in the dislocation of base station cell sector as described in each, it is characterized in that: what described base station cell sector dislocation was judged being applied as: the logic azimuth weighted average of each residential quarter, base station that step (4) is drawn is arranged from small to large, then compare with azimuthal the putting in order in the residential quarter of base station configuration data, when the appearance order not simultaneously, then judge the dislocation of this base station cell sector.
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| CN104113858A (en) * | 2013-04-19 | 2014-10-22 | 华为技术有限公司 | Antenna azimuth angle deviation determination method, base station and network system |
| CN104735705B (en) * | 2013-12-23 | 2018-05-22 | 中国移动通信集团上海有限公司 | A kind of base station covering and the check method and device of basic data |
| CN104735705A (en) * | 2013-12-23 | 2015-06-24 | 中国移动通信集团上海有限公司 | Base station coverage and basic data inspection method and device |
| CN104936217A (en) * | 2014-03-17 | 2015-09-23 | 中国移动通信集团陕西有限公司 | Method and system for parameter check of foundation works of mobile communication station |
| CN104936217B (en) * | 2014-03-17 | 2018-11-23 | 中国移动通信集团陕西有限公司 | A kind of method and system that mobile communication website foundation engineering parameter is verified |
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| CN104363614A (en) * | 2014-11-19 | 2015-02-18 | 中国联合网络通信集团有限公司 | Detecting method and device of cell covering direction abnormities |
| CN105813103A (en) * | 2014-12-31 | 2016-07-27 | 中国电信股份有限公司 | Method and device for measuring base station pitch angle |
| 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 |
| CN107182066B (en) * | 2016-03-09 | 2020-07-07 | 中国移动通信集团福建有限公司 | Method and device for checking whole-network station work parameters based on periodic measurement data |
| CN107182066A (en) * | 2016-03-09 | 2017-09-19 | 中国移动通信集团福建有限公司 | A kind of the whole network website work ginseng check method and device based on periodic measuring data |
| CN105873117A (en) * | 2016-03-30 | 2016-08-17 | 浪潮通信信息系统有限公司 | Cell engineering parameter validation method based on handover proportion iterative analysis |
| CN105873117B (en) * | 2016-03-30 | 2020-04-14 | 浪潮天元通信信息系统有限公司 | Cell engineering parameter verification method based on switching ratio iterative analysis |
| CN107770788A (en) * | 2016-08-19 | 2018-03-06 | 成都鼎桥通信技术有限公司 | Base station cell azimuth method for detecting abnormality and device |
| CN106550370A (en) * | 2017-01-16 | 2017-03-29 | 北京佰才邦技术有限公司 | A kind of base station location verification method, device and NMS |
| CN109429249A (en) * | 2017-09-04 | 2019-03-05 | 中国移动通信集团浙江有限公司 | A kind of antenna azimuth optimization method and equipment based on MR location data |
| CN109600777A (en) * | 2017-09-30 | 2019-04-09 | 中国移动通信集团浙江有限公司 | It calibrates antenna for base station azimuth work and joins method and system |
| 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 |
| CN114339779A (en) * | 2020-09-30 | 2022-04-12 | 中国联合网络通信集团有限公司 | Method and device for determining azimuth angle of base station cell |
| CN114339779B (en) * | 2020-09-30 | 2023-05-30 | 中国联合网络通信集团有限公司 | Method and device for determining azimuth angle of base station cell |
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