CN102572901A - Method and device for determining carrier frequency hidden failures - Google Patents
Method and device for determining carrier frequency hidden failures Download PDFInfo
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- CN102572901A CN102572901A CN201010586035XA CN201010586035A CN102572901A CN 102572901 A CN102572901 A CN 102572901A CN 201010586035X A CN201010586035X A CN 201010586035XA CN 201010586035 A CN201010586035 A CN 201010586035A CN 102572901 A CN102572901 A CN 102572901A
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Abstract
The invention discloses a method and a device for determining carrier frequency hidden failures. The method comprises the following steps of: obtaining a measurement report of the carrier frequency in a first schedule time range, wherein the measurement report comprises the parameter value of each parameter of the carrier frequency; based on the obtained measurement report, determining the parameter values respectively corresponding to each preset monitoring parameter, wherein the preset monitoring parameter is signal intensity and/or signal quality; for each preset monitoring parameter, judging whether the determined parameter value of the monitoring parameter meets the corresponding determination condition; determining whether the carrier frequency meets a failure condition according to the judged result; when the carrier frequency meets the failure condition, determining that the carrier frequency has a carrier frequency hidden failure. With the technical scheme of the invention, the problem that the carrier frequency hidden failure cannot be determined timely in the prior art is solved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of carrier frequency hidden failure and confirm method and device.
Background technology
Along with global system for mobile communications (GSM; Global System for Mobile Communication) development, wireless base station device is more and more, and various fault that is not labeled in the bug list also begins to emerge in an endless stream; And these unknown faults are hidden in the network equipment of magnanimity; Can not produce fault warning, be difficult in time find and handle, these faults can be called " hidden failure ".And in the existing network, the most of hidden failure in the base station equipment is all relevant with Transmit Receive Unit, and Transmit Receive Unit can be called " carrier frequency ", so these hidden failures also can be called " carrier frequency hidden failure ".
The carrier frequency hidden failure can bring severe impairment to network performance; And user's perception impacted; Be embodied in: conversation access failure, call drop, conversation single-pass, conversation speech are unclear etc.; Therefore find the carrier frequency hidden failure timely and accurately, to improving network running quality, it is significant to improve user's perception.
Prior art is generally confirmed the carrier frequency hidden failure through the method for artificial drive test, is specially: find that through customer complaint or drive test the situation of communication abnormality or communication quality decline appears in the base station, after eliminating exists fault warning and other known fault; Confirm to have the carrier frequency hidden failure,, navigate to hardware modules such as a certain suspicious carrier frequency or cavity through the frequency locking test; And it is changed; If after carrying out above-mentioned processing, communication recovery is normal, then the carrier frequency hidden failure is eliminated; If communication is still unusual, then can get rid of possibility for the carrier frequency hidden failure.
Said method needs the carrier frequency hidden failure in drive test personnel's searching network initiatively; Because network size is very huge; This has just increased the very many workloads of drive test personnel; Accuracy and the efficient confirmed are not high yet, and quick drive test can not be carried out in a lot of zones in the existing network, just can't use said method to confirm the carrier frequency hidden failure in these zones.
To the problems referred to above; Prior art has proposed to add up to confirm through cell telephone traffic the method for carrier frequency hidden failure; Be specially: when finding that certain sub-district Key Performance Indicators such as high call drop, call completing rate is low, handover success rate is low occur when unusual; After eliminating exists fault warning and other known fault, confirm to have the carrier frequency hidden failure.
In the prior art; The carrier frequency hidden failure is progressive to the influence of cell telephone traffic statistics, generally, and when there is the carrier frequency hidden failure in the monolithic carrier frequency; Be can not produce considerable influence to each index of cell telephone traffic statistics; Have only higherly or when existing the polylith carrier frequency all to have the carrier frequency hidden failure, just can produce apparent in view influence, therefore exist and confirm the untimely problem of carrier frequency hidden failure each index of cell telephone traffic statistics when the cell telephone traffic amount.
Summary of the invention
The embodiment of the invention provides a kind of carrier frequency hidden failure to confirm method and device, in order to solve the untimely problem of definite carrier frequency hidden failure that exists in the prior art.
Embodiment of the invention technical scheme is following:
A kind of carrier frequency hidden failure is confirmed method, and the method comprising the steps of: obtain the measurement report of carrier frequency in the first stipulated time section, comprise the parameter value of this each parameter of carrier frequency in the said measurement report; According to the measurement report that obtains, confirm and each preset monitoring parameter difference corresponding parameters value that preset monitoring parameter is signal strength signal intensity and/or signal quality; To each preset monitoring parameter, judge whether the parameter value of this monitoring parameter of determining satisfies correspondence fixed condition really; According to judged result, confirm whether this carrier frequency satisfies fault condition; When determining this carrier frequency and satisfy fault condition, confirm that there is the carrier frequency hidden failure in this carrier frequency.
A kind of carrier frequency hidden failure is confirmed device, comprising: the first acquisition unit, be used to obtain the measurement report of carrier frequency in the first stipulated time section, and comprise the parameter value of this each parameter of carrier frequency in the said measurement report; First confirms the unit, is used for the measurement report according to the acquisition of the first acquisition unit, and each definite with preset monitoring parameter is the corresponding parameters value respectively, and preset monitoring parameter is signal strength signal intensity and/or signal quality; Judging unit is used for to each preset monitoring parameter, judges that first confirms whether the parameter value of this monitoring parameter that the unit is determined satisfies correspondence fixed condition really; Second confirms the unit, is used for the judged result according to judging unit, confirms whether this carrier frequency satisfies fault condition; The 3rd confirms the unit, is used for when second confirms that the unit is determined this carrier frequency and satisfied fault condition, confirming that there is the carrier frequency hidden failure in this carrier frequency.
In the embodiment of the invention technical scheme, at first obtain the measurement report of carrier frequency in the first stipulated time section, wherein comprise the parameter value of this each parameter of carrier frequency in this measurement report; According to the measurement report that obtains, confirm and each preset monitoring parameter difference corresponding parameters value that preset monitoring parameter is signal strength signal intensity and/or signal quality; To each preset monitoring parameter, judge whether the parameter value of this monitoring parameter of determining satisfies correspondence fixed condition really, according to judged result; Confirm whether this carrier frequency satisfies fault condition, when determining this carrier frequency and satisfy fault condition, confirm that there is the carrier frequency hidden failure in this carrier frequency; Therefore, in the technical scheme that the embodiment of the invention provides, no longer add up to confirm the carrier frequency hidden failure through cell telephone traffic; But confirm according to the measurement report of carrier frequency whether carrier frequency hidden failure takes place; In case because carrier frequency generation hidden failure promptly can embody in the measurement report of carrier frequency, this has just solved the untimely problem of definite carrier frequency hidden failure; Before the carrier frequency hidden failure produces considerable influence to network service; Just determine the carrier frequency hidden failure, this carrier frequency hidden failure of the elimination in time thereby network maintenance staff can take appropriate measures, thus improved network communication quality effectively.
Description of drawings
Fig. 1 is in the embodiment of the invention, and the carrier frequency hidden failure is confirmed the method flow sketch map;
Fig. 2 is in the embodiment of the invention, and the carrier frequency hidden failure is confirmed the concrete realization flow sketch map of method;
Fig. 3 is in the embodiment of the invention, and the carrier frequency hidden failure is confirmed the apparatus structure sketch map.
Embodiment
At length set forth to the main realization principle of embodiment of the invention technical scheme, embodiment and to the beneficial effect that should be able to reach below in conjunction with each accompanying drawing.
As shown in Figure 1, confirm method flow diagram for carrier frequency hidden failure in the embodiment of the invention, its concrete handling process is following:
The measurement report of gsm system is meant that travelling carriage is in communication process; Every Fixed Time Interval at a distance from 480 milliseconds just passes through slow associated control channel (SACCH; Slow Associated Control Channel) periodically reports the metrical information of down wireless link to the base station; The base station also can periodically be measured the up-link wireless link simultaneously; The metrical information that metrical information that the base station measures self and travelling carriage report offers base station controller (BSC, Base Station Controller) as measurement report, as the foundation of switch decision.
Owing to comprised the parameter value of a plurality of parameters of carrier frequency in the measurement report of carrier frequency; The embodiment of the invention proposes; At least one statistical parameter is set in advance, and BSC periodically gathers the measurement report of the carrier frequency that the base station reports in this cycle, and the cycle of gathering that for example is provided with is one hour; The time granularity that promptly gathers is one hour; The wherein above-mentioned first stipulated time section is gathering the cycle of setting, and BSC collects the preset parameter value of statistical parameter in the first stipulated time section, and after collection finishes, immediately all collected parameter values composition measurement report set is reported the (OMC of operation maintenance center; Operations & Maintenance Center); The carrier frequency hidden failure confirms that device regularly obtains the measurement report set that BSC reports from OMC, because measurement report can intuitively reflect the communication quality of the Radio Link of user in communication process, so the measurement report of carrier frequency can effectively reflect the carrier frequency decreased performance that the carrier frequency hidden failure is caused; In case carrier frequency generation hidden failure promptly can embody in the measurement report of carrier frequency.
Wherein preset statistical parameter can but be not limited at least one in the following parameter: the up average level of carrier frequency; The descending average level of carrier frequency; The up credit rating of carrier frequency; The downlink quality grade of carrier frequency; The sampling Loss Rate of carrier frequency.
In the embodiment of the invention, can also come measurement report is collected by A-bis interface signaling harvester, and not need BSC to collect, detailed process repeats no more here.
The embodiment of the invention proposes, and at least one monitoring parameter is set in advance, preset monitoring parameter can but be not limited to signal strength signal intensity and/or signal quality;
Wherein, signal strength signal intensity comprises at least a in the following parameter:
The up average level of carrier frequency in the first stipulated time section; The descending average level of carrier frequency in the first stipulated time section; The up average level of carrier frequency in the first stipulated time section, and the difference between the maximum up average level of each carrier frequency in the first stipulated time section of sector under this carrier frequency; The descending average level of carrier frequency in the first stipulated time section, and the difference between the maximum downstream average level of each carrier frequency in the first stipulated time section of sector under this carrier frequency.
Wherein, signal quality comprises at least a in the following parameter:
The up credit rating of carrier frequency in the first stipulated time section; The downlink quality grade of carrier frequency in the first stipulated time section; The up credit rating of carrier frequency in the first stipulated time section, and the difference between the highest up credit rating of each carrier frequency in the first stipulated time section of sector under this carrier frequency; The downlink quality grade of carrier frequency in the first stipulated time section, and the difference between the highest descending credit rating of each carrier frequency in the first stipulated time section of sector under this carrier frequency.
Wherein the parameter value of some parameter can directly be confirmed based on the measurement report that obtains, and the parameter value of some parameter need be confirmed based on the measurement report of this carrier frequency and other carrier frequency, introduces parameter value how to confirm parameter below respectively.
Up average level, descending average level, up credit rating, the downlink quality grade of carrier frequency in the first stipulated time section all can directly be confirmed according to the measurement report that obtains;
The up average level of carrier frequency in the first stipulated time section; And the difference under this carrier frequency between the maximum up average level of each carrier frequency of sector in the first stipulated time section: at first based on the measurement report that obtains; Confirm the up average level of carrier frequency in the first stipulated time section; Again based on the measurement report of each carrier frequency of sector under this carrier frequency; Confirm each carrier frequency in the up average level of the first stipulated time section, maximum up average level is confirmed the difference between the maximum up average level of each carrier frequency in the first stipulated time section of sector under up average level and this carrier frequency of this carrier frequency in the first stipulated time section then;
The descending average level of carrier frequency in the first stipulated time section; And the difference under this carrier frequency between the maximum downstream average level of each carrier frequency of sector in the first stipulated time section: at first based on the measurement report that obtains; Confirm the descending average level of carrier frequency in the first stipulated time section; Again based on the measurement report of each carrier frequency of sector under this carrier frequency; Confirm each carrier frequency in the descending average level of the first stipulated time section, maximum descending average level is confirmed the difference between the maximum downstream average level of each carrier frequency in the first stipulated time section of sector under descending average level and this carrier frequency of this carrier frequency in the first stipulated time section then;
The up credit rating of carrier frequency in the first stipulated time section; And the difference under this carrier frequency between the highest up credit rating of each carrier frequency of sector in the first stipulated time section: at first based on the measurement report that obtains; Confirm the up credit rating of carrier frequency in the first stipulated time section; Based on the measurement report of each carrier frequency of sector under this carrier frequency, confirm each carrier frequency in the up credit rating of the first stipulated time section, the highest up credit rating again; The up credit rating of this carrier frequency in the first stipulated time section then, and the difference between the highest up credit rating of each carrier frequency in the first stipulated time section of sector under this carrier frequency;
The downlink quality grade of carrier frequency in the first stipulated time section; And the difference under this carrier frequency between the highest descending credit rating of each carrier frequency of sector in the first stipulated time section: at first according to the measurement report that obtains; Confirm the downlink quality grade of carrier frequency in the first stipulated time section; According to the measurement report of each carrier frequency of sector under this carrier frequency, confirm each carrier frequency in the downlink quality grade of the first stipulated time section, the highest downlink quality grade again; The downlink quality grade of this carrier frequency in the first stipulated time section then, and the difference between the highest descending credit rating of each carrier frequency in the first stipulated time section of sector under this carrier frequency.
Before definite carrier frequency hidden failure; Need according to preset monitoring parameter; Set up fault model; Technical scheme of the present invention adopts expert system to combine the cluster modeling method to set up fault model, and through feedback mechanism the fault data in system's running is joined the fault case storehouse, has further improved definite accuracy rate.
At first; Experience according to the daily processing carrier frequency of engineer hidden failure; Can effectively judge the carrier frequency hidden failure, but be applied in when carrying out in the system confirming automatically, at first need the experience that these are fuzzy be converted into definite method that computer system can be discerned; This just need set up expert system, for example:
(1) because proper communication needs wireless signal to have suitable intensity and good quality; Therefore be that signal strength signal intensity (going up line level or descending level) and credit rating (up quality equivalence or downlink quality grade) are provided with lowest threshold respectively; When being lower than lowest threshold respectively or all being lower than lowest threshold, can confirm that possibly there is the carrier frequency hidden failure in this carrier frequency;
(2) the different carrier frequency of same base station have similar wireless environment, and its signal strength signal intensity and credit rating should be roughly the same, if the signal strength signal intensity and the credit rating of the different carrier frequency of same base station have big difference, then possibly have the carrier frequency hidden failure;
(3) performance of same carrier frequency in a period of time should keep stable, if signal strength signal intensity or credit rating descend suddenly, then possibly have the carrier frequency hidden failure.
Carry out cluster analysis through measurement report simultaneously,, remedy the one-sidedness that possibly occur in the daily experience as to the replenishing of expert system to the whole network carrier frequency; For example: through cluster analysis; Find wherein to have one type signal strength signal intensity is low but the normal carrier frequency of signal quality can know that through analyzing these carrier frequency all belong to the carrier frequency that covers the marine site, be not to cause signal strength signal intensity low by the carrier frequency hidden failure; Therefore should its possibility of getting rid of the carrier frequency hidden failure have been improved the accuracy rate of definite carrier frequency hidden failure.
Can correspondence fixed condition really be set respectively to each parameter through said method, for example, being provided with really to up average level, fixed condition is: up average level is less than-100dbm; Being provided with really to descending average level, fixed condition is: descending average level is less than-100dbm; Being provided with really to the difference between up average level and the maximum up average level, fixed condition is: this difference is greater than 20dbm; Being provided with really to the difference between descending average level and the maximum downstream average level, fixed condition is: this difference is greater than 20dbm; Being provided with really to up credit rating, fixed condition is: up credit rating is 6 grades or 7 grades (wherein credit rating is generally 0 grade to 7 grades, and progression is big more, and quality is poor more); Being provided with really to the downlink quality grade, fixed condition is: the downlink quality grade is 6 grades or 7 grades; Being provided with really to the difference between up credit rating and the highest up credit rating, fixed condition is: this difference is greater than 3; Being provided with really to the difference between downlink quality grade and the highest descending credit rating, fixed condition is: this difference is greater than 3.
Wherein, If signal strength signal intensity and signal quality comprise a plurality of parameters respectively; Then can to the judged result of at least one parameter when being; Think that the judged result of this monitoring parameter for being, also can be when being in the judged result to all parameters that comprise, think that the judged result of this monitoring parameter is for being.
In the embodiment of the invention, if to the judged result of at least one monitoring parameter for being to confirm that then this carrier frequency satisfies fault condition;
In addition, when preset monitoring parameter comprised signal strength signal intensity and signal quality, being as if the judged result to signal strength signal intensity and signal quality was to confirm that then this carrier frequency satisfies fault condition; If for being, for denying, can confirm that then this carrier frequency does not satisfy fault condition to the judged result of signal quality to the judged result of signal strength signal intensity.
Satisfy fault condition if determine carrier frequency; Can confirm directly that then there is the carrier frequency hidden failure in this carrier frequency; Also can be after determining carrier frequency and satisfying fault condition; Further determine whether to exist the carrier frequency hidden failure according to other monitoring parameters, can but be not limited to comprise following three kinds of performances, be specially:
First kind of performance after determining carrier frequency and satisfying fault condition, obtains in the second stipulated time section of this carrier frequency under the first stipulated time section; Satisfy the number of times of fault condition continuously, confirm then whether the number of times that obtains is not less than defined threshold, confirm promptly whether this carrier frequency all satisfies fault condition in continuous a plurality of periods; Or when busy, do not satisfy fault condition continuously, if confirm that then there is the carrier frequency hidden failure in this carrier frequency; If not, then continue monitoring;
Second kind of performance after determining carrier frequency and satisfying fault condition, confirms whether this carrier frequency has neither part nor lot in baseband hopping in the first stipulated time section; If confirm that then there is the carrier frequency hidden failure in this carrier frequency, if not; Then can close frequency hopping, this carrier frequency is added watch-list, continue monitoring;
The third performance; If monitoring parameter is a signal strength signal intensity; Then after determining carrier frequency and satisfying fault condition, confirm whether the base station is macro base station under this carrier frequency, and whether the Timing Advance of this carrier frequency in the first stipulated time section satisfies correspondence fixed condition (for example Timing Advance is between 5 and 7) really; If determining the affiliated base station of this carrier frequency is macro base station; And the Timing Advance of this carrier frequency in the first stipulated time section satisfies correspondence fixed condition really, confirms that then there is the carrier frequency hidden failure in this carrier frequency, otherwise continues monitoring.
The combination in any of wherein above-mentioned three kinds of situation for example, after determining carrier frequency and satisfying fault condition, obtains in the second stipulated time section of this carrier frequency under the first stipulated time section also in the protection range of technical scheme of the present invention; Satisfy the number of times of fault condition continuously, confirm then whether the number of times that obtains is not less than defined threshold, if not; Then continue monitoring, if confirm then whether this carrier frequency has neither part nor lot in baseband hopping in the first stipulated time section; If confirm that then there is the carrier frequency hidden failure in this carrier frequency, if not; Then can close frequency hopping, this carrier frequency is added watch-list, continue monitoring.
Determining after there is the carrier frequency hidden failure in this carrier frequency, can also further confirm the fault rank of the carrier frequency hidden failure that this carrier frequency exists, and, send corresponding warning information according to the fault rank of determining.
Wherein confirm the carrier frequency hidden failure other detailed process of failure level can but be not limited to following:
At first confirm in the first stipulated time section, confirm in the first stipulated time section to have only this carrier frequency to satisfy said fault condition in the mixer under this carrier frequency; If not, promptly exist other carrier frequency also to satisfy fault condition, can confirm that then there are fault in mixer module or antenna-feedback system; And then can take measures areput, if promptly have only this carrier frequency to satisfy fault condition; Confirm that then can this carrier frequency carry out the frequency switching operation with other carrier frequency, if can, then can wait for night and carry out frequency and switch; The record frequency point information continues monitoring, if not; Traffic Channel (TCH, Traffic Channe) cutting off rate, incision success rate, urgent switching proportion and the average call duration of sector in the first stipulated time section judged in sampling Loss Rate, TCH cutting off rate, incision success rate, urgent switching proportion and the average call duration then under the sampling Loss Rate of then confirming in the said first stipulated time section, this carrier frequency to be sampled, this carrier frequency; Whether exist the parameter value of at least one parameter satisfy correspondence really fixed condition (Loss Rate of for example sampling is greater than 50%, and the TCH cutting off rate is greater than 2%, and the incision success rate is less than 60%; Urgent switching proportion is greater than 60%; Average call duration was less than 20 seconds), if judged result is for being, then the fault priority of the carrier frequency hidden failure of definite this carrier frequency is senior; If judged result confirms then that for not the fault priority of the carrier frequency hidden failure of this carrier frequency is rudimentary.
If the fault priority of determining is senior, then can send critical alarm information, continue monitoring then, if the fault priority of determining is rudimentary, then can send nonurgent alarm information, continue monitoring then.
In addition, the embodiment of the invention also proposes, and the carrier frequency hidden failure confirms that device confirming and each preset monitoring parameter respectively before corresponding parameters value, can also confirm further that data in the measurement report whether in normal span, are specially:
At first; According to the measurement report that obtains; Confirm every line telephone traffic, TCH serviceability rate and the upstream sampling quantity of in the first stipulated time section, this carrier frequency being sampled in the first stipulated time section of sector under this carrier frequency, confirm then whether every line telephone traffic, TCH serviceability rate and upstream sampling quantity all satisfy correspondence fixed condition really, for example every line telephone traffic whether greater than 0.05, upstream sampling quantity whether greater than 200, whether the TCH serviceability rate equal 100%; If; Be data in the measurement report in normal span, then confirm and each preset monitoring parameter corresponding parameters value respectively, if not; Be data in the measurement report not in normal span, then continue monitoring.
Can know by above-mentioned processing procedure, in the embodiment of the invention technical scheme, at first obtain the measurement report of carrier frequency in the first stipulated time section; The parameter value that wherein comprises this each parameter of carrier frequency in this measurement report according to the measurement report that obtains, is confirmed and each preset monitoring parameter difference corresponding parameters value; Preset monitoring parameter is signal strength signal intensity and/or signal quality, to each preset monitoring parameter, judges whether the parameter value of this monitoring parameter of determining satisfies correspondence fixed condition really; According to judged result, confirm whether this carrier frequency satisfies fault condition, when determining this carrier frequency and satisfy fault condition; Confirm that there is the carrier frequency hidden failure in this carrier frequency, therefore, in the technical scheme that the embodiment of the invention provides; No longer add up to confirm the carrier frequency hidden failure, but confirm according to the measurement report of carrier frequency whether carrier frequency hidden failure takes place, in case because carrier frequency generation hidden failure through cell telephone traffic; Promptly can in the measurement report of carrier frequency, embody; This has just solved the untimely problem of definite carrier frequency hidden failure, before the carrier frequency hidden failure produces considerable influence to network service, just determines the carrier frequency hidden failure; Thereby the network maintenance staff can take appropriate measures and in time eliminate this carrier frequency hidden failure, thereby has improved network communication quality effectively.
Provide more concrete execution mode below.
As shown in Figure 2, in inventive embodiments, the carrier frequency hidden failure is confirmed the concrete realization flow figure of method, and its concrete processing procedure is following:
Step 21 obtains the carrier frequency interior measurement report of section at the appointed time, comprises the parameter value of this each parameter of carrier frequency in the said measurement report;
Step 22; Judge that data in the measurement report are whether in normal span; Judge promptly whether every line telephone traffic, TCH serviceability rate and the upstream sampling quantity of in this stipulated time section, this carrier frequency being sampled in this stipulated time section of sector under this carrier frequency all satisfies correspondence fixed condition really, promptly judge every line telephone traffic whether greater than 0.05, upstream sampling quantity whether greater than 200, whether the TCH serviceability rate equal 100%, if judged result is for being; Be that data in the measurement report are in normal span; Then go to step 23, if judged result is not, promptly the data in the measurement report are not in normal span; Then go to step 21, continue monitoring;
Step 23; According to the measurement report that obtains; Confirm and each preset monitoring parameter difference corresponding parameters value; Preset monitoring parameter is signal strength signal intensity and signal quality; Wherein signal strength signal intensity comprises at least one in the following parameter: the difference between difference, descending average level and the maximum downstream average level between up average level, descending average level, up average level and the maximum up average level of carrier frequency in this stipulated time section, and signal quality comprises at least one in the following parameter: the difference between difference, downlink quality grade and the highest descending credit rating between up credit rating, downlink quality grade, up credit rating and the highest up credit rating;
Step 25; Judge whether the affiliated base station of this carrier frequency is macro base station; And whether the Timing Advance of this carrier frequency in the first stipulated time section satisfies correspondence fixed condition (for example Timing Advance is between 5 and 7) really, if judged result is for being then to go to step 26; If judged result then goes to step 21 for not;
Whether step 210 is judged in the affiliated mixer of this carrier frequency and is had only this carrier frequency to satisfy fault condition, if judged result for being, then goes to step 212, if judged result then goes to step 211 for not;
Step 211 confirms that there are fault in mixer module or antenna-feedback system;
Step 212 judges that can this carrier frequency carry out the frequency switching operation with other carrier frequency, if judged result is an ability, then goes to step 213, if judged result then goes to step 214 for not;
Step 213 is waited for night and is carried out frequency and switch, and the record frequency point information goes to step 21 then;
Whether step 214 is judged in TCH cutting off rate, incision success rate, urgent switching proportion and the average call duration of sampling Loss Rate, the affiliated sector of this carrier frequency, exist the parameter value of at least one parameter to satisfy correspondence fixed condition really; For example sample Loss Rate greater than 50%, the TCH cutting off rate is greater than 2%; The incision success rate is less than 60%, and urgent switching proportion is greater than 60%, and average call duration was less than 20 seconds; If judged result is for being; Then go to step 215, if judged result then goes to step 216 for not;
Accordingly, the embodiment of the invention also provides a kind of carrier frequency hidden failure to confirm device, and is as shown in Figure 3, comprises 31, first definite unit 32, the first acquisition unit, judging unit 33, second definite unit 34 and the 3rd definite unit 35, wherein:
The first acquisition unit 31 is used to obtain the measurement report of carrier frequency in the first stipulated time section, comprises the parameter value of this each parameter of carrier frequency in the said measurement report;
First confirms unit 32, is used for the measurement report according to 31 acquisitions of the first acquisition unit, and each definite with preset monitoring parameter is the corresponding parameters value respectively, and preset monitoring parameter is signal strength signal intensity and/or signal quality;
Judging unit 33 is used for to each preset monitoring parameter, judges that first confirms whether the parameter value of this monitoring parameter that unit 32 is determined satisfies correspondence fixed condition really;
Second confirms unit 34, is used for the judged result according to judging unit 33, confirms whether this carrier frequency satisfies fault condition;
The 3rd confirms unit 35, is used for when second confirms that unit 34 is determined this carrier frequency and satisfied fault condition, confirming that there is the carrier frequency hidden failure in this carrier frequency.
Preferably, said carrier frequency hidden failure confirms that device also comprises the second acquisition unit and the 4th definite unit, wherein:
The second acquisition unit is used for before the 3rd definite unit 35 confirms that there is the carrier frequency hidden failure in these carrier frequency, obtaining to satisfy the number of times of fault condition continuously in the second stipulated time section of this carrier frequency under the first stipulated time section;
The 4th confirms the unit, is used for confirming that the number of times that the second acquisition unit obtains is not less than defined threshold.
Preferably, said carrier frequency hidden failure confirms that device comprises that also the 5th confirms the unit, is used for before the 3rd definite unit 35 confirms that there is the carrier frequency hidden failure in these carrier frequency, confirming that this carrier frequency has neither part nor lot in baseband hopping in the said first stipulated time section.
Preferably, if preset monitoring parameter is a signal strength signal intensity, then said carrier frequency hidden failure confirms that device comprises that also the 6th confirms unit and the 7th definite unit, wherein:
The 6th confirms the unit, is used for before the 3rd definite unit 35 confirms that there is the carrier frequency hidden failure in these carrier frequency, confirming that the affiliated base station of this carrier frequency is a macro base station;
The 7th confirms the unit, is used for before the 3rd definite unit 35 confirms that there is the carrier frequency hidden failure in these carrier frequency, confirming that the Timing Advance of this carrier frequency in the said first stipulated time section satisfies correspondence fixed condition really.
Preferably, said carrier frequency hidden failure confirms that device comprises that also the 8th confirms unit and the 9th definite unit, wherein:
The 8th determining unit; Be used for before first determining unit, 32 each definite with preset monitoring parameter are distinguished corresponding parameters value; According to the measurement report that the first acquisition unit 31 obtains, confirm every line telephone traffic, Traffic Channel TCH serviceability rate and the upstream sampling quantity of in the said first stipulated time section, this carrier frequency being sampled in the said first stipulated time section of sector under this carrier frequency;
The 9th confirms the unit, is used for confirming that the 8th confirms that every line telephone traffic, TCH serviceability rate and upstream sampling quantity that the unit is determined all satisfy correspondence fixed condition really.
Preferably, if judging unit 33 to the judged result of at least one monitoring parameter for being that then second confirms that unit 34 definite these carrier frequency satisfy fault condition.
Preferably, preset monitoring parameter comprises signal strength signal intensity and signal quality;
Be that then second confirms that unit 34 definite these carrier frequency satisfy fault condition if the judged result that judging unit 33 is directed against signal strength signal intensity and signal quality is;
If for being, for not, then second confirms that unit 34 definite these carrier frequency do not satisfy fault condition to the judged result of signal quality to the judged result of signal strength signal intensity for judging unit 33.
Said carrier frequency hidden failure confirms that device comprises that also the tenth confirms unit and warning information issue unit, wherein:
The tenth confirms the unit, is used for the fault rank of the carrier frequency hidden failure of definite this carrier frequency existence;
The warning information issue unit is used for confirming the fault rank that the unit is determined according to the tenth, sends corresponding warning information.
More preferably, the tenth definite unit comprises that specifically first confirms subelement, second definite subelement, the 3rd definite subelement, judgment sub-unit, the 4th definite subelement and the 5th definite subelement, wherein:
First confirms subelement, is used to confirm in the first stipulated time section, has only this carrier frequency to satisfy said fault condition in the mixer under this carrier frequency;
Second confirms subelement, is used for confirming that this carrier frequency can not carry out the frequency switching operation with other carrier frequency;
The 3rd confirms subelement, TCH cutting off rate, incision success rate, urgent switching proportion and the average call duration of sector in the said first stipulated time section under the sampling Loss Rate that is used to confirm in the said first stipulated time section, this carrier frequency to be sampled, this carrier frequency;
Whether judgment sub-unit is used for judging that the 3rd confirms sampling Loss Rate, TCH cutting off rate, incision success rate, urgent switching proportion and the average call duration that subelement is determined, exist the parameter value of at least one parameter to satisfy correspondence fixed condition really;
The 4th confirms subelement, is used in the judged result of judgment sub-unit when being, the fault priority of confirming the carrier frequency hidden failure of this carrier frequency is senior;
The 5th confirms subelement, is used in the judged result of judgment sub-unit for not the time, and the fault priority of confirming the carrier frequency hidden failure of this carrier frequency is rudimentary.
Preferably, said signal strength signal intensity comprises at least a in the following parameter:
The up average level of this carrier frequency in the said first stipulated time section;
The descending average level of this carrier frequency in the said first stipulated time section;
The up average level of this carrier frequency in the said first stipulated time section, and the difference between the maximum up average level of each carrier frequency in the said first stipulated time section of sector under this carrier frequency;
The descending average level of this carrier frequency in the said first stipulated time section, and the difference between the maximum downstream average level of each carrier frequency in the said first stipulated time section of sector under this carrier frequency;
Said signal quality comprises at least a in the following parameter:
The up credit rating of this carrier frequency in the said first stipulated time section;
The downlink quality grade of this carrier frequency in the said first stipulated time section;
The up credit rating of this carrier frequency in the said first stipulated time section, and the difference between the highest up credit rating of each carrier frequency in the said first stipulated time section of sector under this carrier frequency;
The downlink quality grade of this carrier frequency in the said first stipulated time section, and the difference between the highest descending credit rating of each carrier frequency in the said first stipulated time section of sector under this carrier frequency.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (20)
1. a carrier frequency hidden failure is confirmed method, it is characterized in that, comprising:
Obtain the measurement report of carrier frequency in the first stipulated time section, comprise the parameter value of this each parameter of carrier frequency in the said measurement report;
According to the measurement report that obtains, confirm and each preset monitoring parameter difference corresponding parameters value that preset monitoring parameter is signal strength signal intensity and/or signal quality;
To each preset monitoring parameter, judge whether the parameter value of this monitoring parameter of determining satisfies correspondence fixed condition really;
According to judged result, confirm whether this carrier frequency satisfies fault condition;
When determining this carrier frequency and satisfy fault condition, confirm that there is the carrier frequency hidden failure in this carrier frequency.
2. carrier frequency hidden failure as claimed in claim 1 is confirmed method, it is characterized in that, confirms that this carrier frequency exists before the carrier frequency hidden failure, also comprises:
Obtain to satisfy the number of times of fault condition continuously in the second stipulated time section of this carrier frequency under the first stipulated time section;
Confirm that the number of times that obtains is not less than defined threshold.
3. carrier frequency hidden failure as claimed in claim 1 is confirmed method, it is characterized in that, confirms that this carrier frequency exists before the hidden failure, also comprises:
Confirm that this carrier frequency has neither part nor lot in baseband hopping in the said first stipulated time section.
4. carrier frequency hidden failure as claimed in claim 1 is confirmed method, it is characterized in that, if preset monitoring parameter is a signal strength signal intensity, confirms that then this carrier frequency exists before the hidden failure, also comprises:
Confirm that the affiliated base station of this carrier frequency is a macro base station, and the Timing Advance of this carrier frequency in the said first stipulated time section satisfies correspondence fixed condition really.
5. carrier frequency hidden failure as claimed in claim 1 is confirmed method, it is characterized in that, before each definite with preset monitoring parameter difference corresponding parameters value, also comprises:
According to the measurement report that obtains, confirm every line telephone traffic, Traffic Channel TCH serviceability rate and the upstream sampling quantity of in the said first stipulated time section, this carrier frequency being sampled in the said first stipulated time section of sector under this carrier frequency;
Confirm that every line telephone traffic, TCH serviceability rate and upstream sampling quantity all satisfy correspondence fixed condition really.
6. carrier frequency hidden failure as claimed in claim 1 is confirmed method, it is characterized in that, according to judged result, confirms that whether this carrier frequency satisfies fault condition, specifically comprises:
If to the judged result of at least one monitoring parameter for being that then definite this carrier frequency satisfies fault condition.
7. carrier frequency hidden failure as claimed in claim 1 is confirmed method, it is characterized in that, if preset monitoring parameter comprises signal strength signal intensity and signal quality, then according to judged result, confirms that whether this carrier frequency satisfies fault condition, specifically comprises:
Being as if the judged result to signal strength signal intensity and signal quality is to confirm that then this carrier frequency satisfies fault condition;
If for being, for not, then definite this carrier frequency does not satisfy fault condition to the judged result of signal quality to the judged result of signal strength signal intensity.
8. carrier frequency hidden failure as claimed in claim 1 is confirmed method, it is characterized in that, also comprises:
Confirm the fault rank of the carrier frequency hidden failure that this carrier frequency exists; And
According to the fault rank of determining, send corresponding warning information.
9. carrier frequency hidden failure as claimed in claim 8 is confirmed method, it is characterized in that, confirms the fault rank of the carrier frequency hidden failure that this carrier frequency exists, and specifically comprises:
Confirm in the first stipulated time section to have only this carrier frequency to satisfy said fault condition in the mixer under this carrier frequency;
Confirm that this carrier frequency can not carry out the frequency switching operation with other carrier frequency;
TCH cutting off rate, incision success rate, urgent switching proportion and the average call duration of sector in the said first stipulated time section under the sampling Loss Rate of confirming in the said first stipulated time section, this carrier frequency to be sampled, this carrier frequency;
Judge in sampling Loss Rate, TCH cutting off rate, incision success rate, urgent switching proportion and the average call duration, whether exist the parameter value of at least one parameter to satisfy correspondence fixed condition really;
If judged result is for being, then the fault priority of the carrier frequency hidden failure of definite this carrier frequency is senior;
If judged result confirms then that for not the fault priority of the carrier frequency hidden failure of this carrier frequency is rudimentary.
10. carrier frequency hidden failure as claimed in claim 1 is confirmed method, it is characterized in that, said signal strength signal intensity comprises at least a in the following parameter:
The up average level of this carrier frequency in the said first stipulated time section;
The descending average level of this carrier frequency in the said first stipulated time section;
The up average level of this carrier frequency in the said first stipulated time section, and the difference between the maximum up average level of each carrier frequency in the said first stipulated time section of sector under this carrier frequency;
The descending average level of this carrier frequency in the said first stipulated time section, and the difference between the maximum downstream average level of each carrier frequency in the said first stipulated time section of sector under this carrier frequency;
Said signal quality comprises at least a in the following parameter:
The up credit rating of this carrier frequency in the said first stipulated time section;
The downlink quality grade of this carrier frequency in the said first stipulated time section;
The up credit rating of this carrier frequency in the said first stipulated time section, and the difference between the highest up credit rating of each carrier frequency in the said first stipulated time section of sector under this carrier frequency;
The downlink quality grade of this carrier frequency in the said first stipulated time section, and the difference between the highest descending credit rating of each carrier frequency in the said first stipulated time section of sector under this carrier frequency.
11. a carrier frequency hidden failure is confirmed device, it is characterized in that, comprising:
The first acquisition unit is used to obtain the measurement report of carrier frequency in the first stipulated time section, comprises the parameter value of this each parameter of carrier frequency in the said measurement report;
First confirms the unit, is used for the measurement report based on the acquisition of the first acquisition unit, and each definite with preset monitoring parameter is the corresponding parameters value respectively, and preset monitoring parameter is signal strength signal intensity and/or signal quality;
Judging unit is used for to each preset monitoring parameter, judges that first confirms whether the parameter value of this monitoring parameter that the unit is determined satisfies correspondence fixed condition really;
Second confirms the unit, is used for the judged result according to judging unit, confirms whether this carrier frequency satisfies fault condition;
The 3rd confirms the unit, is used for when second confirms that the unit is determined this carrier frequency and satisfied fault condition, confirming that there is the carrier frequency hidden failure in this carrier frequency.
12. carrier frequency hidden failure as claimed in claim 11 is confirmed device, it is characterized in that, also comprises:
The second acquisition unit is used for before the 3rd definite unit confirms that there is the carrier frequency hidden failure in this carrier frequency, obtaining to satisfy the number of times of fault condition continuously in the second stipulated time section of this carrier frequency under the first stipulated time section;
The 4th confirms the unit, is used for confirming that the number of times that the second acquisition unit obtains is not less than defined threshold.
13. carrier frequency hidden failure as claimed in claim 11 is confirmed device, it is characterized in that, also comprises:
The 5th confirms the unit, is used for before the 3rd definite unit confirms that there is the carrier frequency hidden failure in this carrier frequency, confirming that this carrier frequency has neither part nor lot in baseband hopping in the said first stipulated time section.
14. carrier frequency hidden failure as claimed in claim 11 is confirmed device, it is characterized in that, if preset monitoring parameter is a signal strength signal intensity, then also comprises:
The 6th confirms the unit, is used for before the 3rd definite unit confirms that there is the carrier frequency hidden failure in this carrier frequency, confirms that the affiliated base station of this carrier frequency is a macro base station;
The 7th confirms the unit, is used for before the 3rd definite unit confirms that there is the carrier frequency hidden failure in this carrier frequency, confirming that the Timing Advance of this carrier frequency in the said first stipulated time section satisfies correspondence fixed condition really.
15. carrier frequency hidden failure as claimed in claim 11 is confirmed device, it is characterized in that, also comprises:
The 8th determining unit; Be used for before each definite with preset monitoring parameter difference corresponding parameters value of first determining unit; According to the measurement report that the first acquisition unit obtains, confirm every line telephone traffic, Traffic Channel TCH serviceability rate and the upstream sampling quantity of in the said first stipulated time section, this carrier frequency being sampled in the said first stipulated time section of sector under this carrier frequency;
The 9th confirms the unit, is used for confirming that the 8th confirms that every line telephone traffic, TCH serviceability rate and upstream sampling quantity that the unit is determined all satisfy correspondence fixed condition really.
16. carrier frequency hidden failure as claimed in claim 11 is confirmed device, it is characterized in that, if judging unit to the judged result of at least one monitoring parameter for being that then second definite unit confirms that this carrier frequency satisfies fault condition.
17. carrier frequency hidden failure as claimed in claim 11 is confirmed device, it is characterized in that, preset monitoring parameter comprises signal strength signal intensity and signal quality;
If it is that then second definite unit confirms that this carrier frequency satisfies fault condition that judging unit is to the judged result of signal strength signal intensity and signal quality;
If judging unit to the judged result of signal strength signal intensity for being, to the judged result of signal quality for denying that then second determining unit confirms that this carrier frequency does not satisfy fault condition.
18. carrier frequency hidden failure as claimed in claim 11 is confirmed device, it is characterized in that, also comprises:
The tenth confirms the unit, is used for the fault rank of the carrier frequency hidden failure of definite this carrier frequency existence;
The warning information issue unit is used for confirming the fault rank that the unit is determined according to the tenth, sends corresponding warning information.
19. carrier frequency hidden failure as claimed in claim 18 is confirmed device, it is characterized in that, the tenth confirms that the unit specifically comprises:
First confirms subelement, is used to confirm in the first stipulated time section, has only this carrier frequency to satisfy said fault condition in the mixer under this carrier frequency;
Second confirms subelement, is used for confirming that this carrier frequency can not carry out the frequency switching operation with other carrier frequency;
The 3rd confirms subelement, TCH cutting off rate, incision success rate, urgent switching proportion and the average call duration of sector in the said first stipulated time section under the sampling Loss Rate that is used to confirm in the said first stipulated time section, this carrier frequency to be sampled, this carrier frequency;
Whether judgment sub-unit is used for judging that the 3rd confirms sampling Loss Rate, TCH cutting off rate, incision success rate, urgent switching proportion and the average call duration that subelement is determined, exist the parameter value of at least one parameter to satisfy correspondence fixed condition really;
The 4th confirms subelement, is used in the judged result of judgment sub-unit when being, the fault priority of confirming the carrier frequency hidden failure of this carrier frequency is senior;
The 5th confirms subelement, is used in the judged result of judgment sub-unit for not the time, and the fault priority of confirming the carrier frequency hidden failure of this carrier frequency is rudimentary.
20. carrier frequency hidden failure as claimed in claim 11 is confirmed device, it is characterized in that, said signal strength signal intensity comprises at least a in the following parameter:
The up average level of this carrier frequency in the said first stipulated time section;
The descending average level of this carrier frequency in the said first stipulated time section;
The up average level of this carrier frequency in the said first stipulated time section, and the difference between the maximum up average level of each carrier frequency in the said first stipulated time section of sector under this carrier frequency;
The descending average level of this carrier frequency in the said first stipulated time section, and the difference between the maximum downstream average level of each carrier frequency in the said first stipulated time section of sector under this carrier frequency;
Said signal quality comprises at least a in the following parameter:
The up credit rating of this carrier frequency in the said first stipulated time section;
The downlink quality grade of this carrier frequency in the said first stipulated time section;
The up credit rating of this carrier frequency in the said first stipulated time section, and the difference between the highest up credit rating of each carrier frequency in the said first stipulated time section of sector under this carrier frequency;
The downlink quality grade of this carrier frequency in the said first stipulated time section, and the difference between the highest descending credit rating of each carrier frequency in the said first stipulated time section of sector under this carrier frequency.
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| CN201010586035.XA CN102572901B (en) | 2010-12-13 | 2010-12-13 | Method and device for determining carrier frequency hidden failures |
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| CN201010586035.XA CN102572901B (en) | 2010-12-13 | 2010-12-13 | Method and device for determining carrier frequency hidden failures |
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