CN105813103A - Method and device for measuring base station pitch angle - Google Patents
Method and device for measuring base station pitch angle Download PDFInfo
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- CN105813103A CN105813103A CN201410851944.XA CN201410851944A CN105813103A CN 105813103 A CN105813103 A CN 105813103A CN 201410851944 A CN201410851944 A CN 201410851944A CN 105813103 A CN105813103 A CN 105813103A
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Abstract
The invention provides a method and a device for measuring a base station pitch angle and belongs to the communication field. the method comprises steps that a call detail record pitch angle is acquired according to the call detail record data and height of a base station antenna, and the call detail record data comprises a base station number, a sector number and the time delay; a state of an engineering parameter pitch angle is determined according to a pitch angle fitting trend line, the call detail record pitch angle and the engineering parameter pitch angle, and the pitch angle fitting trend line is a relation trend line of the call detail record pitch angle and an engineering parameter pitch angle of a corresponding base station sector. Through the method, the call detail record pitch angle can be acquired according to the call detail record data, the state of the engineering parameter pitch angle can be further determined according to the call detail record-engineering parameter pitch angle fitting trend line, the call detail record pitch angle and the engineering parameter pitch angle, so gradual manual field investigation or sensor mounting modes employed in the prior art are not needed, detection on the base station pitch angle can be realized through only the call detail record data, detection efficiency is improved, no hardware change is needed, and the method and the device are suitable for popularization and application.
Description
Technical field
The present invention relates to the communications field, particularly the measuring method of a kind of base station angle of pitch and device.
Background technology
The angle of pitch of antenna for base station is the important parameter determining its coverage, in daily network operation, the mistuning that the antenna feeder caused due to natural cause loosens, engineering reasons causes is whole or attendant adjust after non-input system, so that not being inconsistent of work the ginseng angle of pitch and the actual angle of pitch, hidden danger is brought for the network optimization, the coverage causing sector changes, and network quality declines, and Consumer's Experience is deteriorated.Therefore, it is necessary to carry out the verification of antenna feeder direction.
The method being traditionally used for the inspection antenna feeder angle of pitch is to be climbed to antenna tower top by professional, uses gradiometer antenna feeder one by one to confirm.The method needs all base stations are reconnoitred one by one, and often workload is excessively huge.
Traditional antenna feeder angle of pitch check method relying on scene to survey one by one, hence it is evident that efficiency needs raising badly.Therefore, the cdma network antenna feeder angle of pitch check method of a kind of relative efficiency is occurred in that again in recent years.The method by installing an antenna attitude sensor on every surface antenna, it is achieved detection remote data is uploaded to network management center's server.But the method is installed sensor in advance and disposes monitoring network due to needs, and the later stage needs often to safeguard, thus cost and complexity are also higher.
By above-mentioned analysis it can be seen that existing antenna feeder angle of pitch inspection method, all can not high efficiency, join deflection for work and actual direction angle inconsistence problems is verified at low cost.
Summary of the invention
It is an object of the present invention to solve the problem that base station angle of pitch detection efficiency is low, cost is high.
According to an aspect of the present invention, it is proposed to the measuring method of a kind of base station angle of pitch, including: obtaining the ticket angle of pitch according to the height of call bill data and antenna for base station, call bill data includes base station number, sector number and time delay；Joining the angle of pitch according to angle of pitch fitted trend line, the ticket angle of pitch and work, it is determined that the state of the work ginseng angle of pitch, wherein, angle of pitch fitted trend line is the relation Trendline of the work ginseng angle of pitch of the ticket angle of pitch and respective base station sector.
Further, the ticket of call bill data activates collection number more than 1.
Further, the ticket of call bill data activates collection number is 3.
Further, the angle of pitch is joined according to angle of pitch fitted trend line, the ticket angle of pitch and work, it is determined that the state of the work ginseng angle of pitch includes: obtain, according to angle of pitch fitted trend line, the expectation angle of pitch that the ticket angle of pitch is corresponding；According to the ticket angle of pitch, the work ginseng angle of pitch and angle of pitch fitted trend line, obtaining sector deviation value, sector deviation value is the beeline of ticket-work ginseng angle of pitch coordinate points and fitted trend line；By comparing the expectation angle of pitch and the work ginseng angle of pitch, and compare sector deviation value and predetermined value, it is determined that the state of the work ginseng angle of pitch.
Further, by comparing the expectation angle of pitch and the work ginseng angle of pitch, and sector deviation value and predetermined value are compared, it is determined that the state of the work ginseng angle of pitch includes: compare the work ginseng angle of pitch and the expectation angle of pitch；If the work ginseng angle of pitch is more than the expectation angle of pitch, then compare sector deviation value and the first predetermined value further；If sector deviation value is more than the first predetermined value, it is determined that the work ginseng angle of pitch is bigger than normal；If the work ginseng angle of pitch is less than the expectation angle of pitch, then compare sector deviation value and the second predetermined value further；If sector deviation value is more than the second predetermined value, it is determined that the work ginseng angle of pitch is less than normal.
Further, angle of pitch fitted trend line includes dense urban fitted trend line, general urban district fitted trend line, suburb fitted trend line and/or rural area fitted trend line.
Further, fitted trend line includes power Trendline, logarithm Trendline and/or linear trend.
By such method, the ticket angle of pitch can be obtained according to call bill data, then according to ticket-work ginseng angle of pitch fitted trend line, the ticket angle of pitch and the work ginseng angle of pitch, judge the state of the work ginseng angle of pitch, thus reaching without artificial prospecting one by one or installing sensor, carry out the purpose of base station angle of pitch detection by call bill data, improve detection efficiency, and without hardware modification, it is beneficial to popularization and application.
According to another aspect of the present invention, it is proposed to the measurement apparatus of a kind of base station angle of pitch, including: the ticket angle of pitch determines module, and for obtaining the ticket angle of pitch according to the height of call bill data and antenna for base station, call bill data includes base station number, sector number and time delay；State determining module, is used for according to angle of pitch fitted trend line, and the ticket angle of pitch and work join the angle of pitch, it is determined that the state of the work ginseng angle of pitch, and wherein, angle of pitch fitted trend line is the relation Trendline of the work ginseng angle of pitch of the ticket angle of pitch and respective base station sector.
Further, the ticket of call bill data activates collection number more than 1.
Further, the ticket of call bill data activates collection number is 3.
Further, state determining module includes: the expectation angle of pitch determines unit, for obtaining, according to angle of pitch fitted trend line, the expectation angle of pitch that the ticket angle of pitch is corresponding；Deviation value determines unit, and for according to the ticket angle of pitch, the work ginseng angle of pitch and angle of pitch fitted trend line, obtaining sector deviation value, sector deviation value is the beeline of ticket-work ginseng angle of pitch coordinate points and fitted trend line；Condition adjudgement unit, is used for by comparing the expectation angle of pitch and the work ginseng angle of pitch, and compares sector deviation value and predetermined value, it is determined that the state of the work ginseng angle of pitch.
Further, condition adjudgement unit includes: angle of pitch determination component, is used for comparing the work ginseng angle of pitch and the expectation angle of pitch；Deviation value the first determination component, for when angle of pitch determination component determines the work ginseng angle of pitch more than the expectation angle of pitch, comparing sector deviation value and the first predetermined value, if sector deviation value is more than the first predetermined value, it is determined that the work ginseng angle of pitch is bigger than normal；Deviation value the second determination component, for when angle of pitch determination component determines the work ginseng angle of pitch less than the expectation angle of pitch, comparing sector deviation value and the second predetermined value, if sector deviation value is more than the second predetermined value, it is determined that the work ginseng angle of pitch is less than normal.
Further, fitted trend line includes dense urban fitted trend line, general urban district fitted trend line, suburb fitted trend line and/or rural area fitted trend line.
Further, fitted trend line includes power Trendline, logarithm Trendline and/or linear trend.
By such device, the ticket angle of pitch can be obtained according to call bill data, then according to ticket-work ginseng angle of pitch fitted trend line, the ticket angle of pitch and the work ginseng angle of pitch, judge the state of the work ginseng angle of pitch, thus reaching without artificial prospecting one by one or installing sensor, carry out the purpose of base station angle of pitch detection by call bill data, improve detection efficiency, and without hardware modification, it is beneficial to popularization and application.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of an embodiment of the measuring method of the base station angle of pitch of the present invention.
Fig. 2 is the schematic diagram of the ticket angle of pitch.
Fig. 3 is the flow chart of an embodiment of a part for the measuring method of the base station angle of pitch of the present invention.
Fig. 4 is the schematic diagram of sector deviation value.
Fig. 5 is the flow chart of an embodiment of a part for the measuring method of the base station angle of pitch of the present invention.
Fig. 6 is the coordinate diagram of the embodiment determining fitted trend line.
Fig. 7 is the schematic diagram of an embodiment of the measurement apparatus of the base station angle of pitch of the present invention.
Fig. 8 is the schematic diagram of another embodiment of the measurement apparatus of the base station angle of pitch of the present invention.
Fig. 9 is the schematic diagram of an embodiment of a part for the measurement apparatus of the base station angle of pitch of the present invention.
Detailed description of the invention
Below by drawings and Examples, technical scheme is described in further detail.
The flow chart of one embodiment of the base station angle of pitch detection method of the present invention is as shown in Figure 1.
In a step 101, obtaining ticket angle of pitch information according to call bill data, call bill data includes the base station number, sector number and the Delay that connect.The calculation of the ticket angle of pitch is as shown in Figure 2.
In Fig. 2, L is antenna for base station, and the height of base station is H, A is customer location, and the time delay of ticket is T.
The unit of time delay can be 1/8chip, it is assumed that time delay L, then can be scaled L*244/8 rice, obtains, according to Pythagorean theorem, the ticket angle of pitch that given sector is virtual.
Ticket pitching angle theta=arcsin (H/T) × 180 ÷ 3.14 (unit: degree)
Given sector antenna is the refraction and the reflection case that contain wireless signal to the time delay T of terminal, thus bigger than the time delay of actual antennas direct projection, thus the angle of pitch calculated is less than the actual antennas angle of pitch, is defined as the ticket angle of pitch.Although time delay T here is not sector coverage distance, but there is dependency relation in the angle of pitch of time delay T and sector, and namely the angle of pitch of sector is more big, and time delay T is more little；The angle of pitch of sector is more little, and time delay T is more big.
In a step 102, the angle of pitch is joined according to angle of pitch fitted trend line, the ticket angle of pitch and work, it is determined that the state of the work ginseng angle of pitch.Angle of pitch fitted trend line is the relation Trendline of the work ginseng angle of pitch of the ticket angle of pitch and respective base station sector.Can extract a period of time, such as the call bill data of 7 days, the acquisition ticket angle of pitch, the public affairs ginseng angle of pitch according to respective base station sector, obtain ticket-work ginseng angle of pitch fitted trend line, according to angle of pitch fitted trend line, it is judged that the state of the work ginseng angle of pitch of ticket angle of pitch respective base station sector.
By such method, the ticket angle of pitch can be obtained according to call bill data, then according to ticket-work ginseng angle of pitch fitted trend line, the ticket angle of pitch and the work ginseng angle of pitch, judge the state of the work ginseng angle of pitch, thus reaching without artificial prospecting one by one or installing sensor, carry out the purpose of base station angle of pitch detection by call bill data, improve detection efficiency, and without hardware modification, it is beneficial to popularization and application.
In one embodiment, the activation collection number obtaining the ticket of the ticket angle of pitch it is used for more than 1.Owing to CDMA terminal can produce soft handover when close to MPS process edge, therefore namely the ticket activation collection number ticket more than 1 is positioned at the ticket at MPS process edge, adopt the ticket angle of pitch that the ticket angle of pitch is covering border, base station that like this forms data obtains, be better able to the true pitch angle data close to base station section.In one embodiment, adopt the ticket activating collection number equal to 3, such ticket is more nearly MPS process edge, the acquisition of junk data can be reduced, reduce the adverse effect that junk data is determined for the ticket angle of pitch, be conducive to obtaining the ticket pitch angle data being closer to the true angle of pitch in base station section.
In one embodiment, the time delay T of Fig. 2 passes through in certain period of time, the ticket time delay T of base station sectioni(i=1,2...n) it is averaged acquisition.Such method, it is possible to reduce the error of data, increases the accuracy of detection.
In one embodiment, the angle of pitch is joined according to angle of pitch fitted trend line, the ticket angle of pitch and work, it is determined that the flow chart of the state of the work ginseng angle of pitch is as shown in Figure 3.
In step 301 into, the ticket angle of pitch is brought angle of pitch fitted trend line, obtain the expectation angle of pitch that the ticket angle of pitch is corresponding.
In step 302, the beeline of acquisition ticket-work ginseng angle of pitch coordinate points and fitted trend line, i.e. sector deviation value, as shown in Figure 4.M is angle of pitch fitted trend line, and B is ticket-work ginseng angle of pitch coordinate points, and d is the beeline of ticket-work ginseng angle of pitch coordinate points and angle of pitch fitted trend line.Beeline can be realized by traversal.
In step 303, the size of the angle of pitch magnitude relationship with the expectation angle of pitch and deviation value is joined according to the work that the same ticket angle of pitch is corresponding, it is determined that the state of the work ginseng angle of pitch.
By such method, it is possible in the way of ticket-work ginseng angle of pitch carries out mathematical analysis with fitted trend line, obtaining the state of the work ginseng angle of pitch, from without artificial prospecting or hardware modification, efficiency is high and cost is low, is beneficial to popularization and application.
In one embodiment, the flow chart of state of the work ginseng angle of pitch is determined according to the expectation angle of pitch, work the ginseng angle of pitch, sector deviation value as shown in Figure 5.
In step 501, relatively same ticket angle of pitch numerical value is corresponding the expectation angle of pitch and work join the angle of pitch.If the work ginseng angle of pitch is more than the expectation angle of pitch, then judges that the work ginseng angle of pitch has probability bigger than normal, perform step 502；If the work ginseng angle of pitch is less than the expectation angle of pitch, then judges that the work ginseng angle of pitch has probability less than normal, perform step 503.
In step 502, comparing sector deviation value and the first predetermined value, the concrete numerical value of the first predetermined value can be obtained by modeling analysis, it is also possible to is obtained by practical application experience.In actual applications, the angle of pitch is more big, and its coverage distance variable quantity is more little, thus when causing the work ginseng angle of pitch bigger, the ticket angle of pitch and work joining the coordinate figure discreteness increase that the angle of pitch forms.In one embodiment, the first predetermined value is 7 degree.If sector deviation value is more than the first predetermined value, it is determined that the work ginseng angle of pitch is bigger than normal.
In step 504, the judged result according to step 502, it is determined that the work ginseng angle of pitch is bigger than normal.
In step 503, comparing sector deviation value and the second predetermined value, the concrete numerical value of the second predetermined value can be obtained by modeling analysis, it is also possible to is obtained by practical application experience.In actual applications, the angle of pitch is more little, and its coverage distance variable quantity is more big, thus when causing the work ginseng angle of pitch less, the ticket angle of pitch and work joining the coordinate figure discreteness convergence that the angle of pitch forms.In one embodiment, the second predetermined value is 5 degree.If sector deviation value is more than the second predetermined value, it is determined that the work ginseng angle of pitch is less than normal.
In step 505, the judged result according to step 503, it is determined that the work ginseng angle of pitch is less than normal.
By such method, to expect that the angle of pitch and the reduced value of the work ginseng angle of pitch judge that the work ginseng angle of pitch is possible bigger than normal or less than normal, will deviate from value further respectively to compare with predetermined value, so that it is determined that the state of the work ginseng angle of pitch, judge thus joining the angle of pitch two kinds of situations bigger than normal or less than normal for work, and set predetermined value, decrease the erroneous judgement owing to the factors such as error cause, improve accuracy.
In one embodiment, owing to the feature of propagation delay under various circumstances is different, such as rural environment, building is less, then the refraction of wireless signal and reflect less；Dense urban, middle-high building is more, then the refraction of wireless signal and reflect more, according to the difference of the environment such as shelter, sector propagation model has been divided.Difference sector classifies as dense urban, general urban district, suburb, rural area totally four models, the difference according to environment, and phone bill is according to being analyzed respectively, respectively obtains the ticket angle of pitch under four kinds of environment and the fitted trend line of the work ginseng angle of pitch.The environmental characteristic that above-mentioned four kinds of models are corresponding describes as shown in table 1.
Table 1
In one embodiment, by the coordinate diagram of the ticket angle of pitch and work ginseng angle of pitch acquisition ticket-work ginseng angle of pitch fitted trend line as shown in Figure 6.
In figure, the point of rhombus is the ticket of different base station sector under same propagation model-work ginseng angle of pitch coordinate points, and wherein X-axis is the ticket angle of pitch, and Y-axis is the work ginseng angle of pitch.
Fitted trend line is obtained according to ticket-work ginseng angle of pitch scatterplot.Fitted trend line can be power Trendline, logarithm Trendline and/or linear trend.Depend on and determine coefficients R2Minimum Trendline is as fitted trend line.
In the embodiment in fig 6, fitted trend line is y=7.3828x0.2772, coefficient of determination R2=0.1205.
In one embodiment, obtain the call bill data under varying environment respectively, and obtain fitted trend line according to ticket-work ginseng angle of pitch.Table 2 is the fitted trend line of dense urban, general urban district, suburb, four propagation models in rural area.
| Propagation model | Fitted trend line | R2 |
| Dense urban | Y=7.539x0.1323 | R2=0.0201 |
| General urban district | Y=6.5675x0.3739 | R2=0.1511 |
| Suburb | Y=7.3828x0.2772 | R2=0.1205 |
| Rural area | Y=7.4304x0.231 | R2=0.0926 |
Table 2
In one embodiment, base station B belongs to dense urban propagation model, and fitted trend line value is y=7.539x0.1323.The ticket angle of pitch of this sector is 2.68, and the work ginseng angle of pitch is 3, coordinate (2.68,3) distance y=7.539x0.1323Deviation value be 5.58.The ticket angle of pitch 2.68 substituting into fitted trend line obtain expecting that the angle of pitch is 8.58, and the work ginseng angle of pitch is 3, namely the work ginseng angle of pitch is less than the expectation angle of pitch, and the work ginseng angle of pitch is possible less than normal.When work joins the angle of pitch less than the expectation angle of pitch, compare sector deviation value and the second predetermined deviation value.Second predetermined deviation value can be 5, and sector deviation value is 5.58, more than the second predetermined deviation value, accordingly, it is determined that the work ginseng angle of pitch is less than normal.
By such method, only by call bill data, work ginseng pitch angle data and calculating, namely can determine the state of the work ginseng angle of pitch.Call bill data is system log data, be achieved with in Surveillance center, it is to avoid the inspection of the scene of a crime work of several months easily.This makes to compare with traditional method relying on a large amount of inspections of the scene of a crime or installation antenna sensor, and search efficiency significantly improves, and saves maintenance cost.
In one embodiment, base station C belongs to suburb propagation model, and obtaining the ticket angle of pitch according to call bill data is 3.993, and the work ginseng angle of pitch is 18, and it is 10.837 that the ticket angle of pitch is brought into the suburb fitted trend line acquisition expectation angle of pitch.The work ginseng angle of pitch is more than the expectation angle of pitch, then the work ginseng angle of pitch has probability bigger than normal.The deviation value of ticket-work ginseng angle of pitch coordinate (3.993,18) distance suburb propagation model fitted trend line is 7.163, more than the first predetermined deviation value, thus judging that the work ginseng angle of pitch is bigger than normal.
By such method, only by call bill data, work ginseng pitch angle data and calculating, namely can determine the state of the work ginseng angle of pitch, search efficiency significantly improves, and saves maintenance cost.
The schematic diagram of one embodiment of the measurement apparatus of the base station angle of pitch of the present invention is as shown in Figure 7.Wherein, 701 determine unit for the ticket angle of pitch, according to the base station number in call bill data, sector number and Delay, and the height of antenna for base station, by method as shown in Figure 2, obtain the ticket angle of pitch.702 is status determining unit, for determining the ticket angle of pitch that unit 701 is determined and the work ginseng angle of pitch according to angle of pitch fitted trend line, the ticket angle of pitch, it is determined that the state of the work ginseng angle of pitch.The state of the work ginseng angle of pitch includes normal, bigger than normal or less than normal.Angle of pitch fitted trend line is the relation Trendline of the work ginseng angle of pitch of the ticket angle of pitch and respective base station sector.
By such device, the ticket angle of pitch can be obtained according to call bill data, then according to ticket-work ginseng angle of pitch fitted trend line, the ticket angle of pitch and the work ginseng angle of pitch, judge the state of the work ginseng angle of pitch, thus reaching without artificial prospecting one by one or installing sensor, carry out the purpose of base station angle of pitch detection by call bill data, improve detection efficiency, and without hardware modification, it is beneficial to popularization and application.
In one embodiment, the ticket angle of pitch determines that unit 701 is for determining that the ticket of the ticket angle of pitch is the ticket being positioned at cell edge, namely activates collection number more than 1.Such device can obtain the angle of pitch of the ticket close to cell edge, so that the ticket angle of pitch obtained is closer to the true angle of pitch of respective base station sector so that the judgement that work is joined the angle of pitch is more accurate.
In one embodiment, selecting ticket to activate collection number is that the call bill data of 3 is to calculate the ticket angle of pitch.Such device can obtain the ticket angle of pitch being more nearly cell edge, and reduces the impact that junk data is determined for the angle of pitch, improves and work is joined the accuracy that the angle of pitch judges.
The schematic diagram of another embodiment of the measurement apparatus of the base station angle of pitch of the present invention is as shown in Figure 8.Wherein, 81 determine unit for the ticket angle of pitch, are used for determining the ticket angle of pitch.82 is status determining unit, determines unit 821 including the expectation angle of pitch, and deviation value determines unit 822 and condition adjudgement unit 823.Expect that the angle of pitch determines that unit 821 for bringing angle of pitch fitted trend line into by the ticket angle of pitch, thus obtaining the expectation angle of pitch that the ticket angle of pitch is corresponding；Deviation value determines that unit 822 is for determining the beeline of ticket-work ginseng angle of pitch coordinate points and angle of pitch fitted trend line, as sector deviation value；Condition adjudgement unit 823 is for according to the expectation angle of pitch, the work ginseng angle of pitch, sector deviation value and predetermined value, it is determined that the state of the work ginseng angle of pitch.Can according to the contrast of the expectation angle of pitch with the work ginseng angle of pitch, it is judged that the work ginseng angle of pitch is likely to bigger than normal or less than normal, further, by the contrast of sector deviation value Yu predetermined value, it is judged that whether the work ginseng angle of pitch is bigger than normal or less than normal.
By such device, it is possible in the way of ticket-work ginseng angle of pitch carries out mathematical analysis with fitted trend line, obtaining the state of the work ginseng angle of pitch, from without artificial prospecting or hardware modification, efficiency is high and cost is low, is beneficial to popularization and application.
In one embodiment, the schematic diagram of condition adjudgement unit is as shown in Figure 9.901 is angle of pitch determination component, compares the work ginseng angle of pitch and the size of the expectation angle of pitch.If the work ginseng angle of pitch is more than the expectation angle of pitch, then angle of pitch determination component 901 activates deviation value the first determination component 902；Deviation value the first determination component 902, compares sector deviation value and the first predetermined value, if sector deviation value is more than the first predetermined value, it is determined that the work ginseng angle of pitch is bigger than normal, and otherwise the work ginseng angle of pitch is normal；If the work ginseng angle of pitch is less than the expectation angle of pitch, then angle of pitch determination component 901 activates deviation value the second determination component 903；Deviation value the second determination component 903, compares sector deviation value and the second predetermined value, if sector deviation value is more than the second predetermined value, it is determined that the work ginseng angle of pitch is less than normal, and otherwise the work ginseng angle of pitch is normal.In one embodiment, the first predetermined value is 7 degree, and the second predetermined value is 5 degree.Predetermined value can pass through experience or analogue simulation obtains.
By such device, to expect that the angle of pitch and the reduced value of the work ginseng angle of pitch judge that the work ginseng angle of pitch is possible bigger than normal or less than normal, will deviate from value further respectively to compare with predetermined value, so that it is determined that the state of the work ginseng angle of pitch, judge thus joining the angle of pitch two kinds of situations bigger than normal or less than normal for work, and set predetermined value, reduce the erroneous judgement owing to the factors such as error cause, improve accuracy.
In one embodiment, fitted trend line can be power Trendline, logarithm Trendline and/or linear trend.Such device can determine work ginseng angle of pitch state according to the fitted trend line that the coefficient of determination is minimum so that the condition adjudgement of the work ginseng angle of pitch is more accurate.
In one embodiment, owing to the feature of propagation delay under various circumstances is different, such as rural environment, building is less, then the refraction of wireless signal and reflect less；Dense urban, middle-high building is more, then the refraction of wireless signal and reflect more, according to the difference of the environment such as shelter, sector propagation model has been divided.Difference sector classifies as dense urban, general urban district, suburb, rural area totally four models, the difference according to environment, and phone bill is according to being analyzed respectively, respectively obtains the ticket angle of pitch under four kinds of environment and the fitted trend line of the work ginseng angle of pitch.Such device can fully take into account the environmental information of ticket, thus according to environmental selection fitted trend line so that the condition adjudgement of the work ginseng angle of pitch is more accurate.
Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit；Although the present invention being described in detail with reference to preferred embodiment, those of ordinary skill in the field are it is understood that still can modify to the specific embodiment of the present invention or portion of techniques feature carries out equivalent replacement；Without deviating from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention is claimed.
Claims (14)
1. the measuring method of a base station angle of pitch, it is characterised in that:
Height according to call bill data and antenna for base station obtains the ticket angle of pitch, and described call bill data includes base station number, sector number and time delay；
Joining the angle of pitch according to angle of pitch fitted trend line, the described ticket angle of pitch and work, it is determined that the state of the described work ginseng angle of pitch, wherein, described angle of pitch fitted trend line is the relation Trendline of the described work ginseng angle of pitch of the described ticket angle of pitch and respective base station sector.
2. method according to claim 1, it is characterised in that the ticket of described call bill data activates collection number more than 1.
3. method according to claim 2, it is characterised in that it is 3 that the ticket of described call bill data activates collection number.
4. the method according to claim 1,2 or 3, it is characterised in that join the angle of pitch according to described angle of pitch fitted trend line, the described ticket angle of pitch and described work, it is determined that the state of the described work ginseng angle of pitch includes:
The expectation angle of pitch that the described ticket angle of pitch is corresponding is obtained according to described angle of pitch fitted trend line；
According to the described ticket angle of pitch, the described work ginseng angle of pitch and described angle of pitch fitted trend line, obtaining sector deviation value, described sector deviation value is the beeline of described ticket-work ginseng angle of pitch coordinate points and described fitted trend line；
By the relatively described expectation angle of pitch and the described work ginseng angle of pitch, and compare described sector deviation value and predetermined value, it is determined that the state of the described work ginseng angle of pitch.
5. method according to claim 4, it is characterised in that by the relatively described expectation angle of pitch and the described work ginseng angle of pitch, and compare described sector deviation value and predetermined value, it is determined that the state of the described work ginseng angle of pitch includes:
The relatively described work ginseng angle of pitch and the described expectation angle of pitch；
If the described work ginseng angle of pitch is more than the described expectation angle of pitch, then compare described sector deviation value and the first predetermined value further；If described sector deviation value is more than described first predetermined value, it is determined that the described work ginseng angle of pitch is bigger than normal；
If the described work ginseng angle of pitch is less than the described expectation angle of pitch, then compare described sector deviation value and the second predetermined value further；If described sector deviation value is more than described second predetermined value, it is determined that the described work ginseng angle of pitch is less than normal.
6. the method according to claim 1,2 or 3, it is characterised in that described angle of pitch fitted trend line includes dense urban fitted trend line, general urban district fitted trend line, suburb fitted trend line and/or rural area fitted trend line.
7. the method according to claim 1,2 or 3, it is characterised in that described fitted trend line includes power Trendline, logarithm Trendline and/or linear trend.
8. the measurement apparatus of a base station angle of pitch, it is characterised in that including:
The ticket angle of pitch determines module, obtains the ticket angle of pitch for the height according to call bill data and antenna for base station, and described call bill data includes base station number, sector number and time delay；
State determining module, for according to angle of pitch fitted trend line, and the described ticket angle of pitch and the work ginseng angle of pitch, it is determined that the state of the described work ginseng angle of pitch, wherein, described angle of pitch fitted trend line is the relation Trendline of the described work ginseng angle of pitch of the described ticket angle of pitch and respective base station sector.
9. device according to claim 8, it is characterised in that the ticket of described call bill data activates collection number more than 1.
10. device according to claim 9, it is characterised in that it is 3 that the ticket of described call bill data activates collection number.
11. according to Claim 8, the device described in 9 or 10, it is characterised in that described state determining module includes:
Expect that the angle of pitch determines unit, for obtaining, according to described angle of pitch fitted trend line, the expectation angle of pitch that the described ticket angle of pitch is corresponding；
Deviation value determines unit, and for according to the described ticket angle of pitch, the described work ginseng angle of pitch and described angle of pitch fitted trend line, obtaining sector deviation value, described sector deviation value is the beeline of described ticket-work ginseng angle of pitch coordinate points and described fitted trend line；
Condition adjudgement unit, for joining the angle of pitch by the relatively described expectation angle of pitch and described work, and compares described sector deviation value and predetermined value, it is determined that the state of the described work ginseng angle of pitch.
12. device according to claim 11, it is characterised in that described condition adjudgement unit includes:
Angle of pitch determination component, for the relatively described work ginseng angle of pitch and the described expectation angle of pitch；
Deviation value the first determination component, for when described angle of pitch determination component determines the described work ginseng angle of pitch more than the described expectation angle of pitch, relatively described sector deviation value and the first predetermined value, if described sector deviation value is more than described first predetermined value, it is determined that the described work ginseng angle of pitch is bigger than normal；
Deviation value the second determination component, for when described angle of pitch determination component determines the described work ginseng angle of pitch less than the described expectation angle of pitch, relatively described sector deviation value and the second predetermined value, if described sector deviation value is more than described second predetermined value, it is determined that the described work ginseng angle of pitch is less than normal.
13. according to Claim 8, the device described in 9 or 10, it is characterised in that described fitted trend line includes dense urban fitted trend line, general urban district fitted trend line, suburb fitted trend line and/or rural area fitted trend line.
14. according to Claim 8, the device described in 9 or 10, it is characterised in that described fitted trend line includes power Trendline, logarithm Trendline and/or linear trend.
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