CN103716825A - Base station antenna degradation monitoring method and device - Google Patents
Base station antenna degradation monitoring method and device Download PDFInfo
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- CN103716825A CN103716825A CN201310749811.7A CN201310749811A CN103716825A CN 103716825 A CN103716825 A CN 103716825A CN 201310749811 A CN201310749811 A CN 201310749811A CN 103716825 A CN103716825 A CN 103716825A
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Abstract
The invention discloses a base station antenna degradation monitoring method and device. The method includes the steps of confirming an initial value of a reception level of a cell monitoring area, detecting an updating value of the reception level of the cell monitoring area when detection is triggered, confirming the reduction of the reception level of the monitoring area according to the difference value of the initial value and the updating value of the reception level of the cell monitoring area, and triggering antenna degradation early warning when the reduction of the reception level is confirmed to exceed the set reception level reduction threshold. According to the method, the problems existing in an existing scheme for detecting antenna degradation can be solved, the detection construction period is shortened, detection cost is reduced, and network faults caused by antenna degradation are prevented from occurrence.
Description
Technical field
The present invention relates to the antenna technical field in communication system, relate in particular to a kind of base station monitoring antenna deteriorated method and device.
Background technology
Antenna for base station is that mobile communications network carries out with user mobile phone terminal the basis that on-air radio is connected, and is energy replacement equipment, is passive device, and its Main Function is radiation or receives radio wave.Antenna is electromagnetic wave by high frequency current transitions when radiation, and electric energy is changed to electromagnetic energy; During reception, electromagnetic wave is converted to high-frequency current, magnetic energy is converted to electric energy.The performance quality of antenna directly affects covering and the service quality of mobile communications network; Different geographical environments, different service requests need to be selected dissimilar, the antenna of different size.Antenna is adjusted at very large effect in mobile communication network optimization work.
In mobile communication system, antenna system is responsible for transmitting and receiving of wireless signal, and its performance directly affects network performance.But along with the increase of service time, antenna system there will be the problem of performance degradation, certain critical point that has been deteriorated to of antenna system will reporting fault alarm, causes network failure.
The deteriorated problem of antenna system is difficult to be judged and find, main manifestations is:
(1) without warning present: because antenna is dummy device, be independent of outside base station equipment, be not subject to OMCR(Operations & Maintenance Center-radio, operation maintenance center-wireless portion) monitoring, do not produce any warning;
(2) Performance Detection means are not enough: the detection of antenna radiation performance can only rely on third party to detect, and efficiency is low, cost is high.The parameter that affects antenna performance has standing-wave ratio, third order intermodulation, isolation etc., the portable apparatus that current ripe being used for detects antenna performance only has VSWR tester table, in the starting stage, still not mature enough with the portable tester table of other parameter correlation, also not by widespread adoption;
(3) malfunction elimination is without standard: at present, also there is no the standard of antenna investigation antenna problem, antenna failure and network performance associated uncertain.
At present, mainly adopt exclusive method and experimental method to detect whether fault of antenna system, for example, use regular hauling type base station investigation one by one, carry out the whole network antenna system inspection of blanket type; Or by Sampling network performance KPI(Key Performance Indication, Key Performance Indicator) whether decline and come problem identificatioin community and base station, and use whether backstage KPI analysis and drive test supposition are on the spot that the deteriorated network performance causing of antenna declines.
Can there is following problem in the deteriorated scheme of existing detection antenna:
(1) the regular hauling type method that base station is investigated one by one, long in time limit, cost is high;
(2) KPI detection method is a kind of processing mode afterwards, that is, the deteriorated network performance that caused of antenna obviously declines, and has caused after greater loss and has just found the mode of antenna failure, and promptness is inadequate, can not antenna be detected in advance deteriorated; In addition, whether KPI detection method is in the deteriorated process of antenna in location, may use means such as reducing base station transmitting power or suspension, affects the network operation and user awareness.
Summary of the invention
The invention provides a kind of base station monitoring antenna deteriorated method and device, by setting thresholding, antenna deterioration process is monitored, in order to the problem of avoiding the deteriorated scheme of above-mentioned existing detection antenna to exist, thereby shorten, detect the duration, reduce testing cost, prevent the appearance of the networking fault that causes because antenna is deteriorated.
The invention provides a kind of deteriorated method of base station monitoring antenna, comprising:
Determine the initial value of the incoming level in cell monitoring region, during detection trigger, the incoming level renewal value of detected cells guarded region;
According to the difference of the incoming level initial value in cell monitoring region and renewal value, determine that the incoming level of guarded region reduces amplitude;
Determine that described incoming level reduction amplitude surpasses while setting incoming level reduction thresholding, triggers the deteriorated early warning of antenna.
Described method, further comprises:
The event that cause cell monitoring region incoming level reduction of monitoring except antenna is deteriorated; ?
The incoming level reduction amplitude of determining guarded region surpass to be set incoming level and is reduced thresholding, and does not monitor causing when event that incoming level reduces occurs except antenna is deteriorated, triggers the deteriorated early warning of antenna.
Can avoid so the caused incoming level of the factor except antenna is deteriorated to fall and be mistaken for that to be that antenna is deteriorated cause, make testing result more accurate.
The described factor that cell monitoring region incoming level reduces that causes except antenna is deteriorated comprises: the Downtilt of community, horizontal direction angle, P-CCPCH channel emission power.
Described method, monitors causing when event that incoming level reduces occurs except antenna is deteriorated, redefines the initial value of the incoming level in cell monitoring region.
Can realize the renewal to initial value like this, thereby improve the precision of the deteriorated monitoring of antenna.
In described method, after determining the initial value of incoming level in cell monitoring region, at interval of setting sense cycle, determine the renewal value of the incoming level in detection trigger cell monitoring region.
Because antenna is deteriorated, be a long-term process, therefore setting sense cycle need not be too short, can select at interval of one week, triggers the renewal value of the incoming level in one-time detection cell monitoring region, can reduce data processing amount, can also guarantee to monitor precision.
In described method, determine the incoming level in cell monitoring region, specifically comprise:
While determining the initial value of the incoming level that needs calculation plot guarded region, calculate and set recently in statistic period T, the incoming level mean value that is positioned at cell monitoring regional location reporting, the initial value using this mean value as the incoming level in cell monitoring region;
While determining the renewal value of the incoming level that needs calculation plot guarded region, calculate in nearest setting-up time section the incoming level mean value that is positioned at cell monitoring regional location reporting, the renewal value using this mean value as the incoming level in cell monitoring region.
Wherein, the mean value calculating in a period of time can be so that the initial value arriving and renewal value be more accurate, more stable.
In described method, while determining the initial value of the incoming level that needs calculation plot guarded region, determine in the following manner cell monitoring region, specifically comprise:
According to setting rule, microzonation is divided into a plurality of subregions;
Obtain the incoming level and the position thereof that in nearest setting statistic period T, report, the mean value of incoming level and the incoming level number reporting in statistics all subregion;
According to the distance of incoming level mean value, incoming level number, subregion and base station screening conditions from high to low, filter out incoming level mean value be greater than set level threshold, incoming level number be greater than set number, subregion apart from a base station sub regions farthest as monitoring position.
Microzonation is divided into a plurality of subregions, and selects a sub regions as incoming level monitoring position according to described screening conditions, can make the deteriorated efficiency of monitoring aerial and precision be improved.
Describedly according to setting rule, microzonation is divided into a plurality of subregions, specifically comprises:
Centered by base station, take set angle as step-length, microzonation is divided into a plurality of intervals;
According to apart from base station distance, according to step-length L, each interval division is obtained to subregion.
The described incoming level reporting is code power P-CCPCHRSCP that Primary Common Control Physical Channel receives signal, described in the incoming level position that reports with direction of arrival degree AOA and time advance TA, represent.
Utilize P-CCPCHRSCP, AOA and TA parameter in existing parameter north orientation measurement report raw sample data MRO herein, as the deteriorated parameter of monitoring aerial, can reduce testing cost.
The present invention also provides a kind of monitoring aerial deteriorated device, comprising:
Level determining unit, for determining the initial value of the incoming level in cell monitoring region, during detection trigger, the incoming level renewal value of detected cells guarded region;
Reduction amplitude determining unit, for according to the difference of the incoming level initial value in cell monitoring region and renewal value, determines that the incoming level of guarded region reduces amplitude;
Deteriorated trigger element, while surpassing setting incoming level reduction thresholding for definite described incoming level reduction amplitude, triggers the deteriorated early warning of antenna.
Described device, also comprises:
Event-monitoring unit, the event reducing for the cell monitoring region incoming level of monitoring except antenna is deteriorated;
Described deteriorated trigger element specifically for, the incoming level reduction amplitude of determining guarded region surpass to be set incoming level and is reduced thresholding, and does not monitor causing when event that incoming level reduces occurs except antenna is deteriorated, triggers the deteriorated early warning of antenna.
In described device, described level determining unit also for:
In described event-monitoring unit, monitor causing when event that incoming level reduces occurs except antenna is deteriorated, redefining the initial value of the incoming level in cell monitoring region.
In described device, described level determining unit specifically for:
After determining the initial value of incoming level in cell monitoring region, at interval of setting sense cycle, determine the renewal value of the incoming level in detection trigger cell monitoring region.
In described device, described level determining unit specifically for:
While determining the initial value of the incoming level that needs calculation plot guarded region, calculate and set recently in statistic period T, the incoming level mean value that is positioned at cell monitoring regional location reporting, the initial value using this mean value as the incoming level in cell monitoring region;
While determining the renewal value of the incoming level that needs calculation plot guarded region, calculate in nearest setting-up time section the incoming level mean value that is positioned at cell monitoring regional location reporting, the renewal value using this mean value as the incoming level in cell monitoring region.
In described device, described level determining unit specifically for, while determining the initial value of the incoming level need calculation plot guarded region, determine in the following manner cell monitoring region:
According to setting rule, microzonation is divided into a plurality of subregions;
Obtain the incoming level and the position thereof that in nearest setting statistic period T, report, the mean value of incoming level and the incoming level number reporting in statistics all subregion;
According to the distance of incoming level mean value, incoming level number, subregion and base station screening conditions from high to low, filter out incoming level mean value be greater than set level threshold, incoming level number be greater than set number, subregion apart from a base station sub regions farthest as monitoring position.
In described device, described level determining unit specifically for:
Centered by base station, take set angle as step-length, microzonation is divided into a plurality of intervals;
According to apart from base station distance, according to step-length L, each interval division is obtained to subregion.
In described device, described in the incoming level that reports be code power P-CCPCH RSCP that Primary Common Control Physical Channel receives signal, described in the incoming level position that reports with direction of arrival degree AOA and time advance TA, represent.
Utilize base station monitoring antenna provided by the invention deteriorated method and device, there is following beneficial effect: by setting thresholding, antenna deterioration process is monitored, in order to avoid the deteriorated existing problem of scheme of above-mentioned existing detection antenna, thereby shortened the detection duration, by low testing cost, prevent the appearance of the networking fault that causes because antenna is deteriorated.
Accompanying drawing explanation
The deteriorated method flow diagram of base station monitoring antenna that Fig. 1 provides for the embodiment of the present invention;
The mode flow chart in definite cell monitoring region that Fig. 2 provides for the embodiment of the present invention;
The deteriorated method specific embodiment flow chart of base station monitoring antenna that Fig. 3 provides for the embodiment of the present invention;
The deteriorated device schematic diagram of monitoring aerial that Fig. 4 provides for the embodiment of the present invention.
Embodiment
The deteriorated method of base station monitoring antenna the present invention being proposed below in conjunction with drawings and Examples is described in detail.
The embodiment of the present invention provides a kind of base station monitoring antenna deteriorated method, as shown in Figure 1, comprising:
The initial value of the incoming level in cell monitoring region herein, is just equivalent to the benchmark of the incoming level in cell monitoring region.
The incoming level renewal value in described cell monitoring region, compare with the benchmark of the incoming level in cell monitoring region, to determine that the incoming level in cell monitoring region reduces amplitude.
Preferably, after determining the initial value of incoming level in cell monitoring region, at interval of setting sense cycle, determine the renewal value of the incoming level in detection trigger cell monitoring region.
Described setting sense cycle is for detecting the deteriorated cycle of antenna, and preferably setting sense cycle is one week.
Certainly, except above-mentioned periodic triggers detects renewal value, also can adopt other modes such as Event triggered, carry out detection trigger renewal value.
Antenna for base station is deteriorated can be caused cell coverage area and reduce and disturb lifting, wherein, coverage reduces to make in the antenna footprint of the deteriorated community of antenna, and same position user's average received level reduces, therefore, the present invention has selected incoming level as the deteriorated basis for estimation of monitoring aerial.
Preferably, when the difference between the incoming level initial value in cell monitoring region and renewal value reduces amplitude as the incoming level of guarded region, it is 10dB that described incoming level reduces thresholding.
When the deteriorated degree of antenna causes network failure, have a fault threshold, incoming level reduction thresholding is herein different from fault and reports thresholding, than fault, reports thresholding little, can cause before network failure antenna is deteriorated like this, send the early warning that antenna will be deteriorated.
Preferably, the deteriorated method of base station monitoring antenna that the present embodiment provides, further comprises:
The event that cause cell monitoring region incoming level reduction of monitoring except antenna is deteriorated; ?
The incoming level reduction amplitude of determining guarded region surpass to be set incoming level and is reduced thresholding, and does not monitor causing when event that incoming level reduces occurs except antenna is deteriorated, triggers the deteriorated early warning of antenna.
Can avoid so the caused incoming level of the factor except antenna is deteriorated to fall and be mistaken for that to be that antenna is deteriorated cause, make monitored results more accurate.
The described factor that cell monitoring region incoming level reduces that causes except antenna is deteriorated comprises: the Downtilt of community, horizontal direction angle, P-CCPCH channel emission power.
Concrete, monitor causing when event that incoming level reduces occurs except antenna is deteriorated, redefine the initial value of the incoming level in cell monitoring region.
Can realize the renewal to the initial value of the incoming level in cell monitoring region like this, thereby improve the precision of the deteriorated monitoring of antenna.
In described method, determine the incoming level in cell monitoring region, specifically comprise:
While determining the initial value of the incoming level that needs calculation plot guarded region, calculate and set recently in statistic period T, the incoming level mean value that is positioned at cell monitoring regional location reporting, the initial value using this mean value as the incoming level in cell monitoring region;
While determining the renewal value of the incoming level that needs calculation plot guarded region, calculate in nearest setting-up time section the incoming level mean value that is positioned at cell monitoring regional location reporting, the renewal value using this mean value as the incoming level in cell monitoring region.
Described incoming level has a plurality of, select to calculate all incoming level mean value that is positioned at cell monitoring regional location reporting in the cell monitoring region in a period of time, can be so that the renewal value of the initial value of the incoming level in the cell monitoring region of arriving or the incoming level in cell monitoring region be more accurate, more stable.
Certainly, during initial value/renewal value of the incoming level of calculation plot guarded region, also can adopt the mode except calculating the incoming level mean value that is positioned at cell monitoring regional location reporting, such as, while determining the initial value of the incoming level that needs calculation plot guarded region, calculate and set recently in statistic period T, the incoming level mean value that is positioned at cell monitoring regional center position reporting, the initial value using this mean value as the incoming level in cell monitoring region; While determining the renewal value of the incoming level that needs calculation plot guarded region, calculate in nearest setting-up time section the incoming level mean value that is positioned at cell monitoring regional center position reporting, the renewal value using this mean value as the incoming level in cell monitoring region.
Preferably, described statistic period T is one week, and described setting-up time section is a busy time period (as 9 o'clock to the 10 o'clock morning) on every Mondays.Because antenna is deteriorated, be a process slowly for a long time, select in one-period the renewal value of the incoming level in cell monitoring region in certain setting-up time section, can reduce the treating capacity of data, can also guarantee to monitor precision.
Concrete, while determining the initial value of the incoming level that needs calculation plot guarded region, determine in the following manner cell monitoring region, as shown in Figure 2, specifically comprise:
Step 201, is divided into a plurality of subregions according to setting rule by microzonation.
Concrete, centered by base station, take set angle as step-length, microzonation is divided into a plurality of intervals; According to the distance apart from base station, according to step-length L, each interval division is obtained to subregion.
Preferably, described set angle is 20 degree, and described step-length L is 2 chip, the distance that each chip is corresponding certain, such as: 1 corresponding 30m of chip.
Step 202, obtains the incoming level and the position thereof that in nearest setting statistic period T, report, the mean value of incoming level and the incoming level number reporting in statistics all subregion.
Preferably, described setting statistic period T is one week.
Step 203, according to the distance of incoming level mean value, incoming level number, subregion and base station screening conditions from high to low, filter out incoming level mean value be greater than set level threshold, incoming level number be greater than set number, subregion apart from a base station sub regions farthest as monitoring position.
That is to say, in the time of need to redefining the initial value of incoming level in cell monitoring region, first will redefine guarded region, then according to the guarded region determining, redefine the initial value of the incoming level in cell monitoring region.
Meeting on the basis of incoming level mean value and incoming level number screening conditions, a chosen distance base station sub regions is farthest as monitoring position, can monitor apart from the region far away of trying one's best, base station, thereby make the deteriorated monitoring precision of antenna more accurate.
Certainly, described screening conditions also can change according to the actual requirements, such as according to the distance of incoming level mean value, subregion and base station, incoming level number screening conditions from high to low, filter out monitoring position.
The mode of determining cell monitoring region is not limited to utilize aforesaid way, as long as meet signal, covers enough good, MR(measurement reports) sample number is abundant, sample is apart from enough these three conditions far away of the distance of base station, just can determine cell monitoring region.
Preferably, described setting level threshold is-80dBm that described setting number is 1000.
The incoming level of community is distributed in all directions of community, region division is carried out to according to setting rule in community, and determine community incoming level monitoring position according to described screening conditions, can improve the deteriorated efficiency of base station monitoring antenna and precision.
Concrete, described in the incoming level that reports be code power P-CCPCH RSCP that Primary Common Control Physical Channel receives signal, described in the incoming level position that reports with direction of arrival degree AOA and time advance TA, represent.
Concrete, described set angle is AOA, and the described distance apart from base station is TA, AOA be take to 20 degree interval as step-length is divided into a plurality of AOA by microzonation, then by TA take 2chip as step-length by interval division, be a plurality of subregions.
Utilize P-CCPCHRSCP, AOA and TA parameter in existing parameter north orientation measurement report raw sample data MRO herein, as the deteriorated parameter of monitoring aerial, can reduce testing cost.
Described measurement period, sense cycle can be the same or different.
Below in conjunction with specific embodiment, the deteriorated method of base station monitoring antenna provided by the invention is elaborated, as shown in Figure 3:
Step 308, whether the incoming level that judges cell monitoring region reduces is event except antenna is deteriorated causes, if so, execution step 301, otherwise, perform step 309;
The present invention also provides a kind of monitoring aerial deteriorated device, as shown in Figure 4, comprising:
Level determining unit 401, for determining the initial value of the incoming level in cell monitoring region, during detection trigger, the incoming level renewal value of detected cells guarded region;
Reduction amplitude determining unit 402, for according to the difference of the incoming level initial value in cell monitoring region and renewal value, determines that the incoming level of guarded region reduces amplitude;
Deteriorated trigger element 403, while surpassing setting incoming level reduction thresholding for definite described incoming level reduction amplitude, triggers the deteriorated early warning of antenna.
Described device, also comprises:
Event-monitoring unit 404, the event reducing for the cell monitoring region incoming level of monitoring except antenna is deteriorated;
Described deteriorated trigger element specifically for, the incoming level reduction amplitude of determining guarded region surpass to be set incoming level and is reduced thresholding, and does not monitor causing when event that incoming level reduces occurs except antenna is deteriorated, triggers the deteriorated early warning of antenna.
In described device, described level determining unit also for:
In described event-monitoring unit, monitor causing when event that incoming level reduces occurs except antenna is deteriorated, redefining the initial value of the incoming level in cell monitoring region.
In described device, described level determining unit specifically for:
After determining the initial value of incoming level in cell monitoring region, at interval of setting sense cycle, determine the renewal value of the incoming level in detection trigger cell monitoring region.
In described device, described level determining unit specifically for:
While determining the initial value of the incoming level that needs calculation plot guarded region, calculate and set recently in statistic period T, the incoming level mean value that is positioned at cell monitoring regional location reporting, the initial value using this mean value as the incoming level in cell monitoring region;
While determining the renewal value of the incoming level that needs calculation plot guarded region, calculate in nearest setting-up time section the incoming level mean value that is positioned at cell monitoring regional location reporting, the renewal value using this mean value as the incoming level in cell monitoring region.
In described device, described level determining unit specifically for, while determining the initial value of the incoming level need calculation plot guarded region, determine in the following manner cell monitoring region:
According to setting rule, microzonation is divided into a plurality of subregions;
Obtain the incoming level and the position thereof that in nearest setting statistic period T, report, the mean value of incoming level and the incoming level number reporting in statistics all subregion;
According to the distance of incoming level mean value, incoming level number, subregion and base station screening conditions from high to low, filter out incoming level mean value be greater than set level threshold, incoming level number be greater than set number, subregion apart from a base station sub regions farthest as monitoring position.
In described device, described level determining unit specifically for:
Centered by base station, take set angle as step-length, microzonation is divided into a plurality of intervals;
According to apart from base station distance, according to step-length L, each interval division is obtained to subregion.
In described device, described in the incoming level that reports be code power P-CCPCH RSCP that Primary Common Control Physical Channel receives signal, described in the incoming level position that reports with direction of arrival degree AOA and time advance TA, represent.
Utilize base station monitoring antenna provided by the invention deteriorated method and device, there is following beneficial effect: by setting thresholding, antenna deterioration process is monitored, in order to avoid the deteriorated existing problem of scheme of above-mentioned existing detection antenna, thereby shortened the detection duration, by low testing cost, prevent the appearance of the networking fault that causes because antenna is deteriorated.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (16)
1. the deteriorated method of base station monitoring antenna, is characterized in that, comprising:
Determine the initial value of the incoming level in cell monitoring region, during detection trigger, the incoming level renewal value of detected cells guarded region;
According to the difference of the incoming level initial value in cell monitoring region and renewal value, determine that the incoming level of guarded region reduces amplitude;
Determine that described incoming level reduction amplitude surpasses while setting incoming level reduction thresholding, triggers the deteriorated early warning of antenna.
2. the method for claim 1, is characterized in that, further comprises:
The event that cause cell monitoring region incoming level reduction of monitoring except antenna is deteriorated; ?
The incoming level reduction amplitude of determining guarded region surpass to be set incoming level and is reduced thresholding, and does not monitor causing when event that incoming level reduces occurs except antenna is deteriorated, triggers the deteriorated early warning of antenna.
3. method as claimed in claim 2, is characterized in that,
Monitor causing when event that incoming level reduces occurs except antenna is deteriorated, redefine the initial value of the incoming level in cell monitoring region.
4. the method for claim 1, is characterized in that,
After determining the initial value of incoming level in cell monitoring region, at interval of setting sense cycle, determine the renewal value of the incoming level in detection trigger cell monitoring region.
5. the method for claim 1, is characterized in that, determines the incoming level in cell monitoring region, specifically comprises:
While determining the initial value of the incoming level that needs calculation plot guarded region, calculate and set recently in statistic period T, the incoming level mean value that is positioned at cell monitoring regional location reporting, the initial value using this mean value as the incoming level in cell monitoring region;
While determining the renewal value of the incoming level that needs calculation plot guarded region, calculate in nearest setting-up time section the incoming level mean value that is positioned at cell monitoring regional location reporting, the renewal value using this mean value as the incoming level in cell monitoring region.
6. the method for claim 1, is characterized in that, while determining the initial value of the incoming level that needs calculation plot guarded region, determines in the following manner cell monitoring region, specifically comprises:
According to setting rule, microzonation is divided into a plurality of subregions;
Obtain the incoming level and the position thereof that in nearest setting statistic period T, report, the mean value of incoming level and the incoming level number reporting in statistics all subregion;
According to the distance of incoming level mean value, incoming level number, subregion and base station screening conditions from high to low, filter out incoming level mean value be greater than set level threshold, incoming level number be greater than set number, subregion apart from a base station sub regions farthest as monitoring position.
7. method as claimed in claim 6, is characterized in that, according to setting rule, microzonation is divided into a plurality of subregions, specifically comprises:
Centered by base station, take set angle as step-length, microzonation is divided into a plurality of intervals;
According to apart from base station distance, according to step-length L, each interval division is obtained to subregion.
8. the method as described in claim 6 or 7, it is characterized in that, the described incoming level reporting is code power P-CCPCH RSCP that Primary Common Control Physical Channel receives signal, described in the incoming level position that reports with direction of arrival degree AOA and time advance TA, represent.
9. the deteriorated device of monitoring aerial, is characterized in that, comprising:
Level determining unit, for determining the initial value of the incoming level in cell monitoring region, during detection trigger, the incoming level renewal value of detected cells guarded region;
Reduction amplitude determining unit, for according to the difference of the incoming level initial value in cell monitoring region and renewal value, determines that the incoming level of guarded region reduces amplitude;
Deteriorated trigger element, while surpassing setting incoming level reduction thresholding for definite described incoming level reduction amplitude, triggers the deteriorated early warning of antenna.
10. device as claimed in claim 9, is characterized in that, also comprises:
Event-monitoring unit, the event reducing for the cell monitoring region incoming level of monitoring except antenna is deteriorated;
Described deteriorated trigger element specifically for, the incoming level reduction amplitude of determining guarded region surpass to be set incoming level and is reduced thresholding, and does not monitor causing when event that incoming level reduces occurs except antenna is deteriorated, triggers the deteriorated early warning of antenna.
11. devices as claimed in claim 10, is characterized in that, described level determining unit specifically for:
Described deteriorated trigger element monitoring except antenna is deteriorated cause that event that incoming level reduces occurs time, redefine the initial value of the incoming level in cell monitoring region.
12. devices as claimed in claim 9, is characterized in that, described level determining unit specifically for:
After determining the initial value of incoming level in cell monitoring region, at interval of setting sense cycle, determine the renewal value of the incoming level in detection trigger cell monitoring region.
13. devices as claimed in claim 9, it is characterized in that, described level determining unit specifically for: while determining the initial value of the incoming level need calculation plot guarded region, calculate and set recently in statistic period T, the incoming level mean value that is positioned at cell monitoring regional location reporting, the initial value using this mean value as the incoming level in cell monitoring region;
While determining the renewal value of the incoming level that needs calculation plot guarded region, calculate in nearest setting-up time section the incoming level mean value that is positioned at cell monitoring regional location reporting, the renewal value using this mean value as the incoming level in cell monitoring region.
14. devices as claimed in claim 9, is characterized in that, described level determining unit specifically for, while determining the initial value of the incoming level need calculation plot guarded region, determine in the following manner cell monitoring region:
According to setting rule, microzonation is divided into a plurality of subregions;
Obtain the incoming level and the position thereof that in nearest setting statistic period T, report, the mean value of incoming level and the incoming level number reporting in statistics all subregion;
According to the distance of incoming level mean value, incoming level number, subregion and base station screening conditions from high to low, filter out incoming level mean value be greater than set level threshold, incoming level number be greater than set number, subregion apart from a base station sub regions farthest as monitoring position.
15. devices as claimed in claim 14, is characterized in that, described level determining unit specifically for:
Centered by base station, take set angle as step-length, microzonation is divided into a plurality of intervals;
According to apart from base station distance, according to step-length L, each interval division is obtained to subregion.
16. devices as described in claims 14 or 15, it is characterized in that, the described incoming level reporting is code power P-CCPCH RSCP that Primary Common Control Physical Channel receives signal, described in the incoming level position that reports with direction of arrival degree AOA and time advance TA, represent.
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| CN106134235A (en) * | 2014-12-01 | 2016-11-16 | Lg电子株式会社 | Method and device for indicating cell schizotype |
| CN106358212A (en) * | 2016-08-31 | 2017-01-25 | 中国联合网络通信集团有限公司 | Detection method and device for indoor distribution system |
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| CN106134235B (en) * | 2014-12-01 | 2019-07-09 | Lg电子株式会社 | It is used to indicate the method and device of cell splitting mode |
| CN106358212A (en) * | 2016-08-31 | 2017-01-25 | 中国联合网络通信集团有限公司 | Detection method and device for indoor distribution system |
| CN106358212B (en) * | 2016-08-31 | 2019-08-20 | 中国联合网络通信集团有限公司 | The detection method and device of indoor distributed system |
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| CN103716825B (en) | 2017-05-31 |
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