CN104936214A - Method and device for detecting antenna feed coverage variation - Google Patents
Method and device for detecting antenna feed coverage variation Download PDFInfo
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- CN104936214A CN104936214A CN201510319629.7A CN201510319629A CN104936214A CN 104936214 A CN104936214 A CN 104936214A CN 201510319629 A CN201510319629 A CN 201510319629A CN 104936214 A CN104936214 A CN 104936214A
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Abstract
The invention discloses a method and device for detecting antenna feed coverage variation, relates to the field of communication, and aims to solve the problem of poor accuracy since abnormal variation of antenna feed coverage can only be calculated according to a traffic model and a coverage radius in the prior art. The method specifically comprises the following steps: acquiring a first feature sequence; matching the first feature sequence with a first learning sequence in a database; and if the first feature sequence is not successfully matched with the first learning sequence in the database, determining that antenna feed i coverage variation is abnormal. The method and device are used for detecting the antenna feed coverage variation.
Description
Technical field
The present invention relates to the communications field, particularly relate to and detect method and the device that antenna feeder covers change.
Background technology
In a communications system, antenna-feedback system refers to antenna space radiation electromagnetic wave towards periphery.It is the basis (such as MPS process) forming mobile wireless network covering that antenna feeder covers, and changes, can affect localized network quality if certain antenna feeder covers.Therefore, when detecting that antenna feeder covering changes, need to adjust in time.
In prior art, by the mode of manual detection, or KPI index is investigated, judge that antenna feeder covers by indirect calculation coverage radius of cell and the change of cell telephone traffic model whether to change, these two kinds of modes the former consume a large amount of manpower and materials, the latter only can calculate from traffic model and covering radius, and accuracy is poor.
Summary of the invention
Detection antenna feeder that embodiments of the invention provide covers method and the device of change, can to solve in prior art and only can calculate that antenna feeder covers whether variation abnormality, the problem that accuracy is poor from traffic model and covering radius.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, the embodiment of the present invention provides and detects the method that antenna feeder covers change, comprising:
Obtain fisrt feature sequence, described fisrt feature sequence comprises N number of characteristic parameter of antenna feeder i, N number of characteristic parameter of described antenna feeder i is used to indicate at least one that the covering radius of described antenna feeder i within the first period, the described antenna feeder i face within described first period covers in size, the covering switching frequency of described antenna feeder i within described first period, the edges cover situation of described antenna feeder i within described first period, N be greater than 1 integer;
Described fisrt feature sequence is mated with the first learn sequence in database, described first learn sequence comprises N number of learning parameter of described antenna feeder i, N number of learning parameter of described antenna feeder i is used to indicate at least one that the covering radius of described antenna feeder i within the second period, the described antenna feeder i face within described second period covers in size, the covering switching frequency of described antenna feeder i within described second period, the edges cover situation of described antenna feeder i within described second period, segment length when described second period is than described first;
If described fisrt feature sequence is mated unsuccessful with the first learn sequence in described database, then determine that described antenna feeder i covers variation abnormality.
Second aspect, the embodiment of the present invention provides and detects the device that antenna feeder covers change, comprising:
Data processing unit, for obtaining fisrt feature sequence, described fisrt feature sequence comprises N number of characteristic parameter of antenna feeder i, N number of characteristic parameter of described antenna feeder i is used to indicate at least one that the covering radius of described antenna feeder i within the first period, the described antenna feeder i face within described first period covers in size, the covering switching frequency of described antenna feeder i within described first period, the edges cover situation of described antenna feeder i within described first period, N be greater than 1 integer;
Matching unit, described fisrt feature sequence for being obtained by described data processing unit is mated with the first learn sequence in database, described first learn sequence comprises N number of learning parameter of described antenna feeder i, N number of learning parameter of described antenna feeder i is used to indicate the covering radius of described antenna feeder i within the second period, the face of described antenna feeder i within described second period covers size, the covering switching frequency of described antenna feeder i within described second period, at least one in the edges cover situation of described antenna feeder i within described second period, segment length when described second period is than described first,
Identifying unit, for when the result of described matching unit coupling be described fisrt feature sequence mate unsuccessful with the first learn sequence in described database time, determine described antenna feeder i covering variation abnormality.
The detection antenna feeder that the embodiment of the present invention provides covers method and the device of change, obtain fisrt feature sequence, fisrt feature sequence is mated with the first learn sequence in database, if fisrt feature sequence is mated unsuccessful with the first learn sequence in database, then determine that antenna feeder i covers variation abnormality.Because fisrt feature sequence comprises N number of characteristic parameter of antenna feeder i, and N number of characteristic parameter of antenna feeder i is used to indicate at least one in the covering radius of antenna feeder i within the first period, the antenna feeder i face covering size within the first period, the covering switching frequency of antenna feeder i within the first period, the edges cover situation of antenna feeder i within the first period, judge that the condition of antenna feeder i variation abnormality is more comprehensive, to solve in prior art and only can calculate that antenna feeder covers whether variation abnormality, the problem that accuracy is poor from traffic model and covering radius.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The detection antenna feeder that Fig. 1 provides for the embodiment of the present invention covers the method flow schematic diagram changed;
The detection antenna feeder that Fig. 2 provides for the embodiment of the present invention covers the apparatus structure schematic diagram changed.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Should understand, the technical scheme of the embodiment of the present invention can be applied to various communication system, such as: global system for mobile telecommunications (Global System of Mobile communication, GSM) system, code division multiple access (Code Division Multiple Access, CDMA) system, Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, WCDMA) system, GPRS (General Packet Radio Service, GPRS), Long Term Evolution (Long Term Evolution, LTE) system, LTE Frequency Division Duplexing (FDD) (FrequencyDivision Duplex, FDD) system, LTE time division duplex (Time Division Duplex, TDD), universal mobile telecommunications system (Universal Mobile TelecommunicationSystem, or global interconnection inserting of microwave (Worldwide Interoperability forMicrowave Access UMTS), WiMAX) communication system etc.
The embodiment of the present invention provides and detects the method that antenna feeder covers change, with reference to shown in Fig. 1, comprises the following steps:
101, fisrt feature sequence is obtained.
Fisrt feature sequence comprises N number of characteristic parameter of antenna feeder i, N number of characteristic parameter of antenna feeder i is used to indicate at least one that the covering radius of antenna feeder i within the first period, the antenna feeder i face within the first period covers in size, the covering switching frequency of antenna feeder i within the first period, the edges cover situation of antenna feeder i within the first period, N be greater than 1 integer.
Further alternative, with reference to shown in table one, table one shows the corresponding relation between N number of characteristic parameter and the implication of its instruction.Certainly, just illustrate, it is several arbitrarily that N number of characteristic parameter can comprise in the parameter of 7 shown in table one, and can also comprise other parameters, the present invention is not restricted this herein.
When N number of parameter of antenna feeder i comprises transmission path TP (the Transmission Path of antenna feeder i, transmission path) value tag parameter and antenna feeder i TP Distribution value characteristic parameter at least one time, the covering radius of N number of parameter instruction antenna feeder i within the first period of antenna feeder i.The TP value of antenna feeder i is the mean value of transmission path, and the TP Distribution value of antenna feeder i is the percentage accounting of transmission path discrete primary numerical value.
When N number of parameter of antenna feeder i comprises the measurement report MR (MeasurementReport of antenna feeder i, measurement report) coverage rate characteristic parameter and antenna feeder i single cell business volume characteristic parameter at least one time, the N number of face of parameter instruction antenna feeder i within the first period of antenna feeder i covers size.The MR coverage rate of antenna feeder i is (the Received Signal CodePower of RSCP in first time period, received signal code power) be greater than the sampling number of threshold value (as being greater than-95dBm) and the ratio of total sampling number, single cell business volume of antenna feeder i is voice and data volume sum in first time period.
When comprising at least one in the switching times characteristic parameter of antenna feeder i and the overlapping region accounting characteristic parameter of antenna feeder i when N number of parameter of antenna feeder i, the covering switching frequency of N number of parameter instruction antenna feeder i within the first period of antenna feeder i.In the region that the switching times of antenna feeder i covers for antenna feeder i in the first period, user carries out the number of times (preferred parameter is intra-system handover event times) of cell merge, and the overlapping region accounting of antenna feeder i is the ratio (preferred parameter is soft-switch proportion) of the overlay area size of overlapping region that in the first period, antenna feeder i and other antenna feeders cover and antenna feeder i.
When N number of parameter of antenna feeder i comprises the alien frequencies handoff features parameter of antenna feeder i, the edges cover situation of N number of parameter instruction antenna feeder i within the first period of antenna feeder i.In the region that the alien frequencies switching times of antenna feeder i covers for antenna feeder i in the first period, user carries out the number of times (preferred parameter is alien frequencies handover event number of times) of alien frequencies switching.
Table one
| Implication | Parameter |
| Covering radius | TP value, TP Distribution value |
| Face covers size | MR coverage rate, single cell business volume |
| Cover switching frequency | Switching times, overlapping region accounting |
| Edges cover situation | Alien frequencies switching times |
Optionally, N number of characteristic parameter of the antenna feeder i that fisrt feature sequence comprises, it can be the measured value extracting the N number of characteristic parameter of antenna feeder i within the first period, and then be normalized computing and obtain, concrete optional, for the n-th characteristic parameter in N number of characteristic parameter of antenna feeder i, the variance of K measured value of the n-th characteristic parameter in N number of characteristic parameter of antenna feeder i and K measured value of the n-th characteristic parameter can be obtained
k measured value of the n-th characteristic parameter is measured and is obtained in first time period, K be greater than 0 integer, k is the integer in [1, K],
for the mean value of K measured value, x
kfor a kth measured value in K measured value.According to formula
the characteristic value y of a kth measured value in a calculating K measured value
k, x
maxfor the maximum in K measured value.The n-th characteristic parameter is determined according to the characteristic value of K measured value.Preferably, can using the mean value of the characteristic value of K measured value as the n-th characteristic parameter.Such as, for the alien frequencies handoff features parameter of antenna feeder i, the alien frequencies switching times of the every day of antenna feeder i in a week can be obtained, the alien frequencies switching times of 7 days is substituted into respectively 7 characteristic values that the 3rd formulae discovery obtains the alien frequencies switching times of antenna feeder i, using the alien frequencies handoff features parameter of the mean value of 7 characteristic values as antenna feeder i.
102, fisrt feature sequence is mated with the first learn sequence in database.
First learn sequence comprises N number of learning parameter of antenna feeder i, N number of learning parameter of antenna feeder i is used to indicate at least one that the covering radius of antenna feeder i within the second period, the antenna feeder i face within the second period covers in size, the covering switching frequency of antenna feeder i within the second period, the edges cover situation of antenna feeder i within the second period, segment length when the second period is than first.Preferably, the first learn sequence corresponding to the second period is the result that long-time statistical calculates, and the first learn sequence can regard that antenna feeder i antenna feeder covers normal normative reference as.
Concrete optional, in N number of characteristic parameter of the antenna feeder i that fisrt feature sequence is comprised the n-th characteristic parameter and database the first learn sequence in N number of learning parameter of antenna feeder i of comprising the n-th learning parameter substitute into formula
carry out the coupling variance that computing obtains the n-th characteristic parameter
wherein y
i,nfor the n-th characteristic parameter in N number of characteristic parameter of antenna feeder i,
for the n-th learning parameter in N number of learning parameter of comprising in the first learn sequence of database, n is the integer in [1, N].If the value of the coupling variance of the n-th characteristic parameter is more than or equal to first threshold, then fisrt feature sequence is mated unsuccessful with the first learn sequence in database.That is, that N number of characteristic parameter of antenna feeder i carried out with the N number of learning parameter in the first learn sequence respectively computing obtains N number of characteristic parameter according to the first formula mates variance, there is a value of mating variance to be more than or equal to first threshold in the coupling variance of N number of characteristic parameter, just can determine that fisrt feature sequence is mated unsuccessful with the first learn sequence in database.
Optionally, if the value of the coupling variance of the n-th characteristic parameter is less than first threshold, N number of learning parameter that the N number of characteristic parameter then comprised according to fisrt feature sequence and the first learn sequence comprise generates the first new learn sequence, and the first new learn sequence is stored in database.Preferably, can be that corresponding N number of learning parameter that N number of parameter fisrt feature sequence comprised comprises with the first learn sequence is respectively averaged and obtained the first new learn sequence, certainly, just illustrate herein, also can generate the first new learn sequence according to other algorithms.
If 103 fisrt feature sequences are mated unsuccessful with the first learn sequence in database, then determine that antenna feeder i covers variation abnormality.
Preferably, with N=4 in the present embodiment, 4 characteristic parameters of antenna feeder i are the TP value tag parameter of antenna feeder i, the MR coverage rate characteristic parameter of antenna feeder i, the switching times characteristic parameter of antenna feeder i and the alien frequencies handoff features parameter of antenna feeder i.Certainly, the present embodiment just illustrates, does not represent the present invention and is confined to this.
Obtain the measured value of 4 characteristic parameters.Be be described for one week for the first period, in week age, obtain the antenna feeder i every day of the TP value of resource busy, MR coverage rate, switching times and alien frequencies switching times sooner or later.Each characteristic parameter just can have 7 measured values, certainly just illustrates herein, and also repeatedly can obtain in one day and average, to this, the present invention does not limit.
Each measured value is substituted into formula
calculate the characteristic value of measured value, corresponding 7 characteristic values of each characteristic parameter, average to 7 characteristic values of each characteristic parameter respectively, using mean value as characteristic parameter, by 4 characteristic parameter composition fisrt feature sequences.
According to formula
calculate the coupling variance of each characteristic parameter, if having one to mate variance in the coupling variance of four characteristic parameters be more than or equal to first threshold, just can determine that fisrt feature sequence is mated unsuccessful with the first learn sequence in database.
The detection antenna feeder that the embodiment of the present invention provides covers the method for change, obtain fisrt feature sequence, fisrt feature sequence is mated with the first learn sequence in database, if fisrt feature sequence is mated unsuccessful with the first learn sequence in database, then determine that antenna feeder i covers variation abnormality.Because fisrt feature sequence comprises N number of characteristic parameter of antenna feeder i, and N number of characteristic parameter of antenna feeder i is used to indicate at least one in the covering radius of antenna feeder i within the first period, the antenna feeder i face covering size within the first period, the covering switching frequency of antenna feeder i within the first period, the edges cover situation of antenna feeder i within the first period, judge that the condition of antenna feeder i variation abnormality is more comprehensive, to solve in prior art and only can calculate that antenna feeder covers whether variation abnormality, the problem that accuracy is poor from traffic model and covering radius.
Based on the embodiment that above-mentioned Fig. 1 is corresponding, the detection antenna feeder that the embodiment of the present invention provides covers the device of change, the method of change is covered for the detection antenna feeder performed described in embodiment corresponding to above-mentioned Fig. 1, with reference to shown in Fig. 2, this detection antenna feeder covers the device 20 of change, comprises data processing unit 201, matching unit 202, identifying unit 203.
Wherein, data processing unit 201, for obtaining fisrt feature sequence, fisrt feature sequence comprises N number of characteristic parameter of antenna feeder i, N number of characteristic parameter of antenna feeder i is used to indicate at least one that the covering radius of antenna feeder i within the first period, the antenna feeder i face within the first period covers in size, the covering switching frequency of antenna feeder i within the first period, the edges cover situation of antenna feeder i within the first period, N be greater than 1 integer.
Matching unit 202, fisrt feature sequence for being obtained by data processing unit 201 is mated with the first learn sequence in database, first learn sequence comprises N number of learning parameter of antenna feeder i, N number of learning parameter of antenna feeder i is used to indicate at least one that the covering radius of antenna feeder i within the second period, the antenna feeder i face within the second period covers in size, the covering switching frequency of antenna feeder i within the second period, the edges cover situation of antenna feeder i within the second period, segment length when the second period is than first.
Identifying unit 203, for when the result that matching unit 202 mates be fisrt feature sequence mate unsuccessful with the first learn sequence in database time, determine antenna feeder i cover variation abnormality.
Optionally, matching unit 202, substitutes into formula specifically for the n-th learning parameter in N number of learning parameter of antenna feeder i of comprising in the first learn sequence of the n-th characteristic parameter in N number of characteristic parameter of antenna feeder i of fisrt feature sequence being comprised and database
carry out the coupling variance that computing obtains the n-th characteristic parameter
wherein y
i,nfor the n-th characteristic parameter in N number of characteristic parameter of antenna feeder i,
for the n-th learning parameter in N number of learning parameter of antenna feeder i of comprising in the first learn sequence of database, n is the integer in [1, N].If the value of the coupling variance of the n-th characteristic parameter is more than or equal to first threshold, then fisrt feature sequence is mated unsuccessful with the first learn sequence in database.
Further alternative, data processing unit 201, when being also less than first threshold for the value of the coupling variance when the n-th characteristic parameter, N number of learning parameter that the N number of characteristic parameter comprised according to fisrt feature sequence and the first learn sequence comprise generates the first new learn sequence, and the first new learn sequence is stored in database.
Optionally, data processing unit 201, also for obtain antenna feeder i N number of characteristic parameter in the variance of K measured value of the n-th characteristic parameter and K measured value of the n-th characteristic parameter
k measured value of the n-th characteristic parameter is measured and is obtained in first time period, K be greater than 0 integer, k is the integer in [1, K],
for the mean value of K measured value, x
kfor a kth measured value in K measured value; According to the 3rd formula
the characteristic value y of a kth measured value in a calculating K measured value
k, x
maxfor the maximum in K measured value; The n-th characteristic parameter is determined according to the characteristic value of K measured value.
Optionally, when comprising at least one in the transmission path TP value tag parameter of antenna feeder i and the TP Distribution value characteristic parameter of antenna feeder i when N number of parameter of antenna feeder i, the covering radius of N number of parameter instruction antenna feeder i within the first period of antenna feeder i.
When comprising at least one in the measurement report MR coverage rate characteristic parameter of antenna feeder i and single cell business volume characteristic parameter of antenna feeder i when N number of parameter of antenna feeder i, the N number of face of parameter instruction antenna feeder i within the first period of antenna feeder i covers size.
When comprising at least one in the switching times characteristic parameter of antenna feeder i and the overlapping region accounting characteristic parameter of antenna feeder i when N number of parameter of antenna feeder i, the covering switching frequency of N number of parameter instruction antenna feeder i within the first period of antenna feeder i.
When N number of parameter of antenna feeder i comprises the alien frequencies handoff features parameter of antenna feeder i, the edges cover situation of N number of parameter instruction antenna feeder i within the first period of antenna feeder i.
The detection antenna feeder that the embodiment of the present invention provides covers the device of change, obtain fisrt feature sequence, fisrt feature sequence is mated with the first learn sequence in database, if fisrt feature sequence is mated unsuccessful with the first learn sequence in database, then determine that antenna feeder i covers variation abnormality.Because fisrt feature sequence comprises N number of characteristic parameter of antenna feeder i, and N number of characteristic parameter of antenna feeder i is used to indicate at least one in the covering radius of antenna feeder i within the first period, the antenna feeder i face covering size within the first period, the covering switching frequency of antenna feeder i within the first period, the edges cover situation of antenna feeder i within the first period, judge that the condition of antenna feeder i variation abnormality is more comprehensive, to solve in prior art and only can calculate that antenna feeder covers whether variation abnormality, the problem that accuracy is poor from traffic model and covering radius.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit comprises, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that hardware also can be adopted to add SFU software functional unit realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (Read-Only Memory, be called for short ROM), random access memory (Random Access Memory, be called for short RAM), magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. detect the method that antenna feeder covers change, it is characterized in that, comprising:
Obtain fisrt feature sequence, described fisrt feature sequence comprises N number of characteristic parameter of antenna feeder i, N number of characteristic parameter of described antenna feeder i is used to indicate at least one that the covering radius of described antenna feeder i within the first period, the described antenna feeder i face within described first period covers in size, the covering switching frequency of described antenna feeder i within described first period, the edges cover situation of described antenna feeder i within described first period, N be greater than 1 integer;
Described fisrt feature sequence is mated with the first learn sequence in database, described first learn sequence comprises N number of learning parameter of described antenna feeder i, N number of learning parameter of described antenna feeder i is used to indicate at least one that the covering radius of described antenna feeder i within the second period, the described antenna feeder i face within described second period covers in size, the covering switching frequency of described antenna feeder i within described second period, the edges cover situation of described antenna feeder i within described second period, segment length when described second period is than described first;
If described fisrt feature sequence is mated unsuccessful with the first learn sequence in described database, then determine that described antenna feeder i covers variation abnormality.
2. method according to claim 1, is characterized in that, describedly described fisrt feature sequence is mated with the first learn sequence in database, comprising:
In N number of characteristic parameter of the described antenna feeder i that described fisrt feature sequence is comprised the n-th characteristic parameter and described database the first learn sequence in N number of learning parameter of described antenna feeder i of comprising the n-th learning parameter substitute into formula
carry out the coupling variance that computing obtains described n-th characteristic parameter
Wherein y
i,nfor the n-th characteristic parameter in N number of characteristic parameter of described antenna feeder i,
for the n-th learning parameter in N number of learning parameter of described antenna feeder i of comprising in the first learn sequence of described database, n is the integer in [1, N];
If the value of the coupling variance of described n-th characteristic parameter is more than or equal to first threshold, then described fisrt feature sequence is mated unsuccessful with the first learn sequence in described database.
3. method according to claim 2, is characterized in that, described method also comprises:
If the value of the coupling variance of described n-th characteristic parameter is less than described first threshold, N number of learning parameter that the N number of characteristic parameter then comprised according to described fisrt feature sequence and described first learn sequence comprise generates the first new learn sequence, and described the first learn sequence is newly stored in described database.
4. method according to claim 1, is characterized in that, described acquisition fisrt feature sequence, comprising:
Obtain the variance of K measured value of the n-th characteristic parameter in N number of characteristic parameter of described antenna feeder i and K measured value of described n-th characteristic parameter
k measured value of described n-th characteristic parameter is measured and is obtained in described first time period, K be greater than 0 integer, k is the integer in [1, K],
for the mean value of a described K measured value, x
kfor a kth measured value in a described K measured value;
According to formula
calculate the characteristic value y of a kth measured value in a described K measured value
k, x
maxfor the maximum in a described K measured value;
Described n-th characteristic parameter is determined according to the characteristic value of K measured value.
5. the method according to any one of claim 1-4, is characterized in that,
When comprising at least one in the transmission path TP value tag parameter of described antenna feeder i and the TP Distribution value characteristic parameter of described antenna feeder i when N number of parameter of described antenna feeder i, N number of parameter of described antenna feeder i indicates the covering radius of described antenna feeder i within the first period;
When comprising at least one in the measurement report MR coverage rate characteristic parameter of described antenna feeder i and single cell business volume characteristic parameter of described antenna feeder i when N number of parameter of described antenna feeder i, N number of parameter of described antenna feeder i indicates the face of described antenna feeder i within the first period to cover size;
When comprising at least one in the switching times characteristic parameter of described antenna feeder i and the overlapping region accounting characteristic parameter of described antenna feeder i when N number of parameter of described antenna feeder i, N number of parameter of described antenna feeder i indicates the covering switching frequency of described antenna feeder i within the first period;
When N number of parameter of described antenna feeder i comprises the alien frequencies handoff features parameter of described antenna feeder i, N number of parameter of described antenna feeder i indicates the edges cover situation of described antenna feeder i within the first period.
6. detect the device that antenna feeder covers change, it is characterized in that, comprising:
Data processing unit, for obtaining fisrt feature sequence, described fisrt feature sequence comprises N number of characteristic parameter of antenna feeder i, N number of characteristic parameter of described antenna feeder i is used to indicate at least one that the covering radius of described antenna feeder i within the first period, the described antenna feeder i face within described first period covers in size, the covering switching frequency of described antenna feeder i within described first period, the edges cover situation of described antenna feeder i within described first period, N be greater than 1 integer;
Matching unit, described fisrt feature sequence for being obtained by described data processing unit is mated with the first learn sequence in database, described first learn sequence comprises N number of learning parameter of described antenna feeder i, N number of learning parameter of described antenna feeder i is used to indicate the covering radius of described antenna feeder i within the second period, the face of described antenna feeder i within described second period covers size, the covering switching frequency of described antenna feeder i within described second period, at least one in the edges cover situation of described antenna feeder i within described second period, segment length when described second period is than described first,
Identifying unit, for when the result of described matching unit coupling be described fisrt feature sequence mate unsuccessful with the first learn sequence in described database time, determine described antenna feeder i covering variation abnormality.
7. device according to claim 6, is characterized in that,
Described matching unit, substitutes into formula specifically for the n-th learning parameter in N number of learning parameter of described antenna feeder i of comprising in the first learn sequence of the n-th characteristic parameter in N number of characteristic parameter of described antenna feeder i of described fisrt feature sequence being comprised and described database
carry out the coupling variance that computing obtains the n-th characteristic parameter
wherein y
i,nfor the n-th characteristic parameter in N number of characteristic parameter of described antenna feeder i,
for the n-th learning parameter in N number of learning parameter of described antenna feeder i of comprising in the first learn sequence of described database, n is the integer in [1, N]; If the value of the coupling variance of described n-th characteristic parameter is more than or equal to first threshold, then described fisrt feature sequence is mated unsuccessful with the first learn sequence in described database.
8. device according to claim 7, is characterized in that,
Described data processing unit, when being also less than described first threshold for the value of the coupling variance when described n-th characteristic parameter, N number of learning parameter that the N number of characteristic parameter comprised according to described fisrt feature sequence and described first learn sequence comprise generates the first new learn sequence, and described the first learn sequence is newly stored in described database.
9. device according to claim 6, is characterized in that,
Described data processing unit, also for obtain described antenna feeder i N number of characteristic parameter in the variance of K measured value of the n-th characteristic parameter and K measured value of described n-th characteristic parameter
k measured value of described n-th characteristic parameter is measured and is obtained in described first time period, K be greater than 0 integer, k is the integer in [1, K],
for the mean value of a described K measured value, x
kfor a kth measured value in a described K measured value; According to the 3rd formula
calculate the characteristic value y of a kth measured value in a described K measured value
k, x
maxfor the maximum in a described K measured value; Described n-th characteristic parameter is determined according to the characteristic value of K measured value.
10. the device according to any one of claim 6-9, is characterized in that,
When comprising at least one in the transmission path TP value tag parameter of described antenna feeder i and the TP Distribution value characteristic parameter of described antenna feeder i when N number of parameter of described antenna feeder i, N number of parameter of described antenna feeder i indicates the covering radius of described antenna feeder i within the first period;
When comprising at least one in the measurement report MR coverage rate characteristic parameter of described antenna feeder i and single cell business volume characteristic parameter of described antenna feeder i when N number of parameter of described antenna feeder i, N number of parameter of described antenna feeder i indicates the face of described antenna feeder i within the first period to cover size;
When comprising at least one in the switching times characteristic parameter of described antenna feeder i and the overlapping region accounting characteristic parameter of described antenna feeder i when N number of parameter of described antenna feeder i, N number of parameter of described antenna feeder i indicates the covering switching frequency of described antenna feeder i within the first period;
When N number of parameter of described antenna feeder i comprises the alien frequencies handoff features parameter of described antenna feeder i, N number of parameter of described antenna feeder i indicates the edges cover situation of described antenna feeder i within the first period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510319629.7A CN104936214B (en) | 2015-06-11 | 2015-06-11 | Detect the method and device of antenna feeder covering variation |
Applications Claiming Priority (1)
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| WO2007114745A1 (en) * | 2006-03-30 | 2007-10-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for functional testing of a base station system |
| CN101351013A (en) * | 2007-07-18 | 2009-01-21 | 中兴通讯股份有限公司 | Method and system for detecting wireless network zone-skipping shrouding |
| CN102014415A (en) * | 2010-12-01 | 2011-04-13 | 中兴通讯股份有限公司 | Method for detecting base station feed system on line, base station system and antenna suite |
| CN102083082A (en) * | 2009-11-30 | 2011-06-01 | ***通信集团湖南有限公司 | Method and device for monitoring cell coverage area |
| CN102905282A (en) * | 2011-07-29 | 2013-01-30 | 扬州海菱电讯科技实业公司 | Method and device for detecting indoor distribution antenna feeder system |
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| WO2007114745A1 (en) * | 2006-03-30 | 2007-10-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for functional testing of a base station system |
| CN101351013A (en) * | 2007-07-18 | 2009-01-21 | 中兴通讯股份有限公司 | Method and system for detecting wireless network zone-skipping shrouding |
| CN102083082A (en) * | 2009-11-30 | 2011-06-01 | ***通信集团湖南有限公司 | Method and device for monitoring cell coverage area |
| CN102014415A (en) * | 2010-12-01 | 2011-04-13 | 中兴通讯股份有限公司 | Method for detecting base station feed system on line, base station system and antenna suite |
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