CN104244301A - Method and system for positioning LTE network problem on basis of wireless indexes - Google Patents
Method and system for positioning LTE network problem on basis of wireless indexes Download PDFInfo
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- CN104244301A CN104244301A CN201310244301.4A CN201310244301A CN104244301A CN 104244301 A CN104244301 A CN 104244301A CN 201310244301 A CN201310244301 A CN 201310244301A CN 104244301 A CN104244301 A CN 104244301A
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Abstract
The embodiment of the invention discloses a method and system for positioning an LTE network problem on the basis of wireless indexes. The method includes the steps of obtaining the average throughput rate of each physical resource block (PRB) of a cell and the average occupancy rate of each PRB of the cell, determining the state of each PRB average throughput rate of the cell according to a preset first threshold value, determining the state of each PRB average occupancy rate of the cell according to a preset second threshold value, determining the range of the to-be-examined problem of the LTE network according to the state of each PRB average throughput rate of the cell and the state of each PRB average occupancy rate of the cell, and positioning the LTE network problem within the range of the to-be-examined problem. By means of the method and the system, the focus of LTE network problem positioning can be improved, and therefore the network problem can be rapidly positioned.
Description
Technical field
The application relates to communication technical field, particularly relates to the method and system based on wireless index location LTE network problem.
Background technology
Long Term Evolution (Long Term Evolution, LTE) the networking initial stage, use the method for wireless index addressing network problems still immature, mainly through modes such as drive test, frequency sweep and fixed tests, full test is carried out to network at present, judge that whether network is normal by the performance index data of analytical test gained and locate the problem of LTE network.
There is following defect in the method for current location LTE network problem:
One, workload is huge, and use test testing equipment is wasted time and energy, and, if need reflection the whole network network condition, need to travel through a large amount of roads to gather drive test signal, after doing a large amount of performance tests, then comprehensive assessment; Two, random sampling is comparatively strong, the Accuracy of the performance of the examined equipment of the possibility of result that existing scheme obtains own, also may the factor impact such as tested person time period, the most important thing is that the index on road can accurately not represent the index situation of community; The focusing of three, locating LTE network problem is poor, often needs to carry out a large amount of test jobs, analyzes a large amount of performance index, gets rid of all possible problem one by one, then could final orientation problem place.
Visible, the method for existing location LTE network problem also exists the defect that workload is large, randomness is strong, focusing is poor, thus cannot quick positioning question, is difficult to the Main Means as daily discovery network problem.
Summary of the invention
In view of this, the invention provides a kind of method and system based on wireless index location LTE network problem, the focusing of location LTE network problem can be improved, and then can quick position network problem.
Based on a method for wireless index location LTE network problem, the method comprises:
Obtain every Physical Resource Block (PRB) average throughput of community and the average occupancy of PRB of described community;
Determine that whether every PRB average throughput of described community is higher than the first threshold value, if so, determine that every PRB average throughput of described community is in the first state, otherwise, determine that every PRB average throughput of described community is in the second state;
Determine that whether the average occupancy of the PRB of described community is higher than the second threshold value, if so, determine that the average occupancy of the PRB of described community is in the third state, otherwise, determine that the average occupancy of described community is in the 4th state;
State residing for every PRB average throughput of described community and the state residing for the average occupancy of PRB of described community, determine the scope of the examine problem of LTE network, in the scope inner position LTE network problem of described examine problem.
Based on a system for wireless index location LTE network problem, this system comprises index selection module, state determining module and examine problem scope determination module;
Described index selection module, for the average occupancy of PRB of every Physical Resource Block (PRB) average throughput and described community that obtain community;
Described state determining module, for determining that whether every PRB average throughput of described community is higher than the first threshold value, if, determine that every PRB average throughput of described community is in the first state, otherwise, determine that every PRB average throughput of described community is in the second state, determine that whether the average occupancy of the PRB of described community is higher than the second threshold value, if, determine that the average occupancy of the PRB of described community is in the third state, otherwise, determine that the average occupancy of described community is in the 4th state;
Described examine problem scope determination module, for the state residing for every PRB average throughput of described community and described community the average occupancy of PRB residing for state, determine the scope of the examine problem of LTE network, make it possible to the scope inner position LTE network problem in described examine problem.
As seen from the above technical solution, the embodiment of the present invention using every PRB average throughput of community and the average occupancy of PRB as the leading indicator being used for addressing network problems, first every PRB average throughput and the average occupancy of PRB of community is obtained, then the state residing for every PRB average throughput of described community and the state residing for the average occupancy of PRB of described community is determined, the scope of the examine problem of the state finally residing for every PRB average throughput of described community and the state determination LTE network residing for the average occupancy of PRB of described community, thus can the scope of examine problem be narrowed down in certain scope from likely problem of the prior art, in other words, LTE network possibility Problems existing scope can be focused on, due to by having carried out focusing on process to the scope of examine problem according to every PRB average throughput of community and the average occupancy of PRB, namely the scope of examine problem is reduced, therefore, LTE network problem can be located quickly in examine problem scope after focusing on process, improve the speed of location LTE network problem.
Accompanying drawing explanation
Fig. 1 is the method flow diagram based on wireless index location LTE network problem that the embodiment of the present invention provides.
Fig. 2 is the schematic diagram according to main index determination LTE network examine problem scope that the embodiment of the present invention provides.
Fig. 3 is the flow chart of the interior accurately location of [just, the just] quadrant shown in Fig. 2 LTE network problem that the embodiment of the present invention proposes.
Fig. 4 is the flow chart of [just, negative] quadrant interior accurately location LTE network problem shown in Fig. 2 that the embodiment of the present invention proposes.
Fig. 5 is [the bearing, just] accurately locating the flow chart of LTE network problem in quadrant shown in Fig. 2 that the embodiment of the present invention proposes.
Fig. 6 is the flow chart of [negative, negative] quadrant interior accurately location LTE network problem shown in Fig. 2 that the embodiment of the present invention proposes.
Fig. 7 is the system composition schematic diagram based on wireless index location LTE network problem that the embodiment of the present invention provides.
Embodiment
Fig. 1 is the method flow diagram based on wireless index location LTE network problem that the embodiment of the present invention provides.
As shown in Figure 1, this flow process comprises:
Step 101, obtains every Physical Resource Block (PRB) average throughput of community and the average occupancy of PRB of described community.
In this step, cell-level every PRB average throughput and the average occupancy of PRB of examine community can be obtained from network management device.
Step 102, determines the state residing for every PRB average throughput of described community, determines the state residing for the average occupancy of the PRB of described community according to the second threshold value preset according to the first threshold value preset.
Particularly, in this step, determine that whether every PRB average throughput of described community is higher than the first threshold value, if, determine that every PRB average throughput of described community is in the first state, otherwise, determine that every PRB average throughput of described community is in the second state.
Determine that whether the average occupancy of the PRB of described community is higher than the second threshold value, if so, determine that the average occupancy of the PRB of described community is in the third state, otherwise, determine that the average occupancy of described community is in the 4th state.
Wherein, described first threshold value can be determined according to the mean value of PRB average throughput every in the historical record value of every PRB average throughput of described community and/or network, and described second threshold value can be determined according to the mean value of the average occupancy of PRB in the historical record value of the average occupancy of the PRB of described community and/or network.
Step 103, the state residing for every PRB average throughput of described community and the state residing for the average occupancy of PRB of described community, determine the scope of the examine problem of LTE network, in the scope inner position LTE network problem of described examine problem.
Applicant is by analyzing and empirical discovery, every PRB average throughput of community can reflect network coverage situation and network interferences situation in side, the average occupancy of PRB of community can reflection base station, side software and hardware function situation and network load situation, based on above-mentioned analysis and experience, method shown in Fig. 1 is by obtaining every PRB average throughput of community and the average occupancy of PRB of community, quantitative analysis is carried out to every PRB average throughput of community and the average occupancy of PRB of community, state residing for every PRB average throughput of community and the state residing for the average occupancy of PRB of community obtain different combinations of states, according to the examine problem scope of the incompatible focusing LTE network of described state group, thus reduce the scope of the examine problem of LTE network, and then improve the speed of location LTE network problem.
For convenience of description, can will be used for the two indices focusing on LTE network examine problem scope, i.e. every PRB average throughput of community and the average occupancy of PRB of community, be called main index, the embodiment of the present invention gives the concrete grammar according to main index determination LTE network examine problem scope, refers to Fig. 2.
Fig. 2 is the schematic diagram according to main index determination LTE network examine problem scope that the embodiment of the present invention provides.
As shown in Figure 2, in this schematic diagram, abscissa is every PRB average throughput of community, ordinate is the average occupancy of PRB of community, wherein, value is for being greater than corresponding predetermined threshold value on the occasion of the corresponding index of expression, value is that negative value represents that corresponding index is less than corresponding predetermined threshold value, in other words, in Fig. 2 [just, every PRB average throughput of just] quadrant is corresponding community is in the first state, and the average occupancy of the PRB of community is in the third state, [just, negative] every PRB average throughput of the corresponding community of quadrant is in the first state, and the average occupancy of the PRB of community is in the 4th state, [negative, every PRB average throughput of just] quadrant is corresponding community is in the second state, and the average occupancy of the PRB of community is in the third state, [negative, negative] every PRB average throughput of the corresponding community of quadrant is in the second state, and the average occupancy of the PRB of community is in the 4th state.
[just, just] in quadrant, namely, when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the third state, the embodiment of the present invention proposes, and the scope of the examine problem of LTE network comprises: base station scheduling problem and/or network load problem.
[just, negative] in quadrant, namely when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the 4th state, the embodiment of the present invention proposes, and the scope of the examine problem of LTE network comprises: BTS hardware failure problems and/or base station scheduling problem.
[negative, just] in quadrant, namely when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the third state, the embodiment of the present invention proposes, and the scope of the examine problem of LTE network comprises: network coverage problem, network interferences problem, terminal problem and/or base station scheduling problem.
[negative, negative] in quadrant, namely when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the 4th state, the embodiment of the present invention proposes, and the scope of the examine problem of LTE network comprises: network coverage problem, network interferences problem, BTS hardware failure problems and/or base station distribution problem.
After the scope determining LTE network examine problem according to main index, directly can export the scope of LTE network examine problem, make network operation attendant can in the scope inner position LTE network problem of LTE network examine problem.
The embodiment of the present invention also proposes, except can the state residing for every PRB average throughput of community and the state residing for the average occupancy of PRB focus on except the examine problem scope of LTE network, other auxiliary characteristics being used for accurately location LTE network problem can also be obtained further, according to the scope inner position LTE network problem of described auxiliary characteristics in described examine problem.
Wherein, auxiliary characteristics for accurately locating LTE network problem can comprise two class indexs, one class is the KPI index for weighing network performance, such as: while community, the evolved packet system RAB (Evolved Packet System Radio Access Bearer, E-RAB) of online user number, community is created as the adjacent cell throughput etc. of power and/or community; Another kind of is information in Network Measurement Report (MR), such as: physical cell identity (PCI) value etc. of signal to noise ratio (SINR) value in MR, Reference Signal Received Power (Reference Signal Received Power, RSRP) value, uplink transmission power information and/or community.
About the opportunity obtaining main index and auxiliary characteristics, numerous embodiments can be had, as long as ensure that corresponding index is obtainable when needed, such as, before focusing LTE network examine problem scope, main index and the auxiliary characteristics likely used all can be got, also can after focusing LTE network examine problem scope, according to the scope of LTE network examine problem, only obtain auxiliary characteristics accurately required for the LTE network problem of location within the scope of this.
About the scope for specific LTE network examine problem, specifically need to use the accurate location which auxiliary characteristics carries out LTE network problem, exemplarily property ground, for the LTE network examine problem scope shown in Fig. 2, the embodiment of the present invention proposes following execution mode:
[just, just] in quadrant, namely, when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the third state, can comprise for the auxiliary characteristics of locating LTE network problem: while described community, the E-RAB of online user number, described community is created as the throughput of the adjacent cell of power and/or described community.
[just, negative] in quadrant, namely, when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the 4th state, can comprise for the auxiliary characteristics of locating LTE network problem: the historical record value of the average occupancy of PRB and/or the E-RAB of described community of described community are created as power.
[negative, just] in quadrant, namely, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the third state, can comprise for the auxiliary characteristics of locating LTE network problem: signal to noise ratio (SINR) value in the measurement report (MR) of described community, Reference Signal Received Power (RSRP) value and/or physical cell identity (PCI) value.
[negative, negative] in quadrant, namely, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the 4th state, can comprise for the auxiliary characteristics of locating LTE network problem: the uplink transmission power information in the MR of described community, RSRP value and/or PCI value.
When accurately locating LTE network problem according to each auxiliary characteristics in LTE network examine problem scope, the embodiment of the present invention proposes, the auxiliary characteristics accurately required for the LTE network problem of location in current LTE network examine problem scope can be exported, make network operation attendant in the scope of LTE network examine problem, accurately can locate LTE network problem according to described auxiliary characteristics.
Preferably, the embodiment of the present invention also proposes, in the scope of LTE network examine problem, accurately can locate LTE network problem according to described auxiliary characteristics by the system of location LTE network problem, export accurate positioning result, namely export the LTE network problem behind accurate location.
About how according to each auxiliary characteristics accurate addressing network problems in LTE network problem scope, numerous embodiments can be had, such as, the span of each index and the corresponding form of LTE network problem can being made, accurately locating LTE network problem by inquiring about this form.
Preferably, for each examine problem scope shown in Fig. 2, the embodiment of the present invention is by being optimized the judgement order of each problem in LTE network examine problem scope, the speed of accurately location LTE network problem in LTE network examine problem scope can be improved further, specifically refer to Fig. 3-Fig. 6.
Fig. 3 is the flow chart of the interior accurately location of [just, the just] quadrant shown in Fig. 2 LTE network problem that the embodiment of the present invention proposes.
As shown in Figure 3, this flow process comprises:
Step 301, while judging community, whether online user number is greater than preset value, if so, performs step 302, otherwise, perform step 303.
Step 302, judges that the E-RAB of described community is created as power and whether is greater than preset value, if the E-RAB of described community is created as power be greater than preset value, determines that network is normal, otherwise, determine to there is network load problem.
In this step, when determine there is network load problem time, step 304 can be performed further.
Step 303, judges that the E-RAB of described community is created as power and whether is greater than preset value, if the E-RAB of described community is created as power be greater than preset value, determines that network is normal, otherwise, determine to there is base station scheduling problem, process ends.
Base station scheduling problem in this step is generally the scheduling problem of Radio Resource.
In step 302 and step 303, can be identical for being created as with E-RAB the preset value that power compares, also can be different, specifically can arrange according to the feature of LTE network and/or performance requirement.
Step 304, determine whether the throughput of each adjacent cell of described community is greater than preset value, judge whether that the throughput of the adjacent cell of predetermined ratio is greater than preset value, if, determine to need to carry out dilatation to network, otherwise, determine the load balancing parameter needing to adjust minizone, process ends.
After accurately locating LTE network problem, the particular problem that can exist according to LTE network takes corresponding solution, such as, corresponding base-station scheduling method is optimized, carry out the network capacity extension by measures such as alien frequencies dilatation or newly-built base stations, the load balancing parameter of minizone is adjusted etc.
Fig. 4 is the flow chart of [just, negative] quadrant interior accurately location LTE network problem shown in Fig. 2 that the embodiment of the present invention proposes.
As shown in Figure 4, this flow process comprises:
Step 401, determines the historical standard value of the average occupancy of the PRB of described community according to each historical record value of the average occupancy of the PRB of community.
In this step, the historical standard value of the average occupancy of PRB of community can be the mean value of each historical record value of the average occupancy of PRB of described community, also can be the numerical value obtained by additive method, such as, the mean value of higher (thresholding can be set) historical record value, or the mean value of lower (also can set a thresholding) historical record value, or remove the mean value of top n peak and later each historical record value of a front M minimum, or the weighted value etc. of each historical record value, which kind of specifically can determine to adopt method to determine described historical standard value according to the performance requirement of network or experience.
Step 402, judges whether the historical standard value of the average occupancy of the PRB of described community is greater than preset value, if so, determines to there is BTS hardware failure problems, otherwise, perform step 403.
Step 403, judges that the E-RAB of described community is created as power and whether is greater than preset value, if so, determines that network is normal, otherwise, determine to there is base station scheduling problem.
Base station scheduling problem in this step is generally the scheduling problem of Radio Resource.
After accurately locating LTE network problem, the particular problem that can exist according to LTE network take corresponding solution, and such as, investigation BTS hardware fault, is optimized corresponding base-station scheduling method.
Fig. 5 is [the bearing, just] accurately locating the flow chart of LTE network problem in quadrant shown in Fig. 2 that the embodiment of the present invention proposes.
As shown in Figure 5, this flow process comprises:
Step 501, judges whether the SINR value of community is less than preset value, if so, performs step 502, otherwise, perform step 504.
Wherein, the SINR value of described community can be the mean value of the SINR value in all MR of described community, also can be the numerical value obtained by additive method, such as, sampling section MR, is defined as the mean value of the SINR of sampling MR by the SINR value of described community, or, can be the weighted sum etc. of the SINR value in sampling MR, specifically can determine to adopt which kind of method to determine the SINR value of described community according to the performance requirement of network or experience.
Step 502, judges that whether the RSRP low value ratio of described community is higher than preset value, if so, determines to there is the weak covering problem of network, otherwise, perform step 503.
Particularly, in this step, the RSRP low value ratio of described community can obtain in the following way: sampling section or whole MR from all MR of described community, determining whether the value of the RSRP in each sampling MR of described community is less than preset value, is the RSRP low value ratio of described community by the ratio-dependent that the number comprising the sampling MR of the RSRP being less than preset value of described community is shared in total number of the sampling MR of described community.
Step 503, judges to exist with the PCI of described community the MR that mould three disturb and reports ratio whether to be greater than preset value, if so, determine to there is PCI mould three interference problem, otherwise, determine that existence is owing to repeating to cover the adjacent area interference problem caused.
Wherein, can determine to exist with the PCI of described community according to MR Zhong Zhe community and the RSRP value of adjacent cell and the PCI value of this community and adjacent cell the MR that mould three disturbs and report ratio.
Particularly, can from all MR of described community sampling section or whole MR, for each sampling MR, mould three calculating is carried out according to the PCI value of each adjacent cell in this MR, the adjacent cell that the mould three searching the PCI of depanning three result and this community comes to the same thing, calculate the difference of the RSRP value of the RSRP Zhi Yuzhe community of each adjacent cell found out, judge whether minimal difference meets mould three disturbed condition, such as, whether be less than predetermined threshold value, if, determine that this MR exists mould three interference, otherwise, determine that this MR does not exist mould three interference, the ratio-dependent number meeting the sampling MR that mould three disturbs being accounted for total number of sampling MR is that PCI mould three interference reports ratio.
Step 504, monitoring terminal ability information, judges to there is terminal problem or there is base station scheduling problem according to terminal ability information.
In this step, particularly, can follow the tracks of and obtain terminal type, then aptitude tests carried out to the terminal of the type, comprise the decoding capability of terminal, support the ability of encoding and/or the ability supporting transmission mode, judge whether test result meets pre-provisioning request, if, determine to there is base station scheduling problem, otherwise, determine that there is terminal promotes problem.
After accurately locating LTE network problem, the particular problem that can exist according to LTE network takes corresponding solution, such as, when determining to exist the weak covering problem of network, network coverage intensity can be improved by measures such as adjustment transmit power parameter and/or adjustment antenna elevation angles, when determining to exist owing to repeating to cover the adjacent area interference problem caused, can reduce owing to repeating to cover the adjacent area interference caused by measures such as adjustment adjacent cell power parameter and/or adjustment antenna elevation angles, when determining that there is PCI mould three disturbs, the PCI that can make rational planning for distributes, when determine there is terminal problem time, terminal popularization can be advanced by emphasis, when determine there is base station scheduling problem time, can be optimized the dispatching method of base station, such as to transmission mode dispatching method, coded scheduling method, the dispatching method etc. of physical resource or Radio Resource is optimized.
Fig. 6 is the flow chart of [negative, negative] quadrant interior accurately location LTE network problem shown in Fig. 2 that the embodiment of the present invention proposes.
As shown in Figure 6, this flow process comprises:
Step 601, judges that whether the up high-power transmitting ratio of described community is higher than preset value, if so, performs step 602, otherwise, perform step 603.
In this step, the up high-power transmitting ratio of community can be determined according to the uplink transmission power information in the MR of community.Such as, according to the uplink transmission power information in the sampling MR of described community, determine whether the uplink transmission power that described sampling MR is corresponding is greater than preset value, the ratio-dependent of number shared by the total number of sampling MR of the described community uplink transmission power of correspondence being greater than the sampling MR of preset value (or the uplink transmission power surplus of correspondence is less than preset value) is the high-power transmitting ratio of described community.
Wherein, can be a fixed numbers for the preset value compared with uplink transmission power or uplink transmission power surplus, also can need determine according to pre-defined algorithm according to network performance.
Step 602, judges that whether described community is the community for covering continuously, if so, determines that network is normal, otherwise, determine to there is BTS hardware fault or base station distribution problem.
In this step, first can judge whether BTS hardware exists fault, if so, then determine to there is hardware fault problem, otherwise determine it is base station distribution problem, the position of building a station of the base station namely belonging to described community is reasonable not, needs to reselect position of building a station.
Step 603, judges that whether the RSRP low value ratio of described community is higher than preset value, if so, determines to there is the weak covering problem of network, otherwise, perform step 604.
About the defining method of RSRP low value ratio, specifically can see step 502.
Step 604, judges to exist with the PCI of described community the MR that mould three disturb and reports ratio whether to be greater than preset value, if so, determine to there is PCI mould three interference problem, otherwise, determine that existence is owing to repeating to cover the adjacent area interference problem caused.
The defining method that MR that mould three disturbs reports ratio is there is about the PCI with described community, specifically can see step 503.
After accurately locating LTE network problem, the particular problem that can exist according to LTE network take corresponding solution, specifically refers to the related description of Fig. 3-Fig. 5.
According to the said method that the embodiment of the present invention provides, the embodiment of the present invention additionally provides the system based on wireless index location LTE network problem, specifically refers to Fig. 7.
Fig. 7 is the system composition schematic diagram based on wireless index location LTE network problem that the embodiment of the present invention provides.
As shown in Figure 7, this system comprises index selection module 701, state determining module 702 and examine problem scope determination module 703.
Index selection module 701, for the average occupancy of PRB of every Physical Resource Block (PRB) average throughput and described community that obtain community.
State determining module 702, for determining that whether every PRB average throughput of described community is higher than the first threshold value, if, determine that every PRB average throughput of described community is in the first state, otherwise, determine that every PRB average throughput of described community is in the second state, determine that whether the average occupancy of the PRB of described community is higher than the second threshold value, if, determine that the average occupancy of the PRB of described community is in the third state, otherwise, determine that the average occupancy of described community is in the 4th state.
Examine problem scope determination module 703, for the state residing for every PRB average throughput of described community and described community the average occupancy of PRB residing for state, determine the scope of the examine problem of LTE network.The scope of the examine problem that LTE nets can be determined by examine problem scope determination module 703, and then make it possible to the scope inner position LTE network problem in described examine problem.
Examine problem scope determination module 703 specifically may be used for: when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the third state, determine that the scope of the examine problem of LTE network comprises base station scheduling problem and/or network load problem; And/or, when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the 4th state, determine that the scope of the examine problem of LTE network comprises BTS hardware failure problems and/or base station scheduling problem; And/or, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the third state, determine that the scope of the examine problem of LTE network comprises network coverage problem, network interferences problem, terminal problem and/or base station scheduling problem; And/or, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the 4th state, determine that the scope of the examine problem of LTE network comprises network coverage problem, network interferences problem, BTS hardware failure problems and/or base station distribution problem.
This system can also comprise accurate locating module.
Index selection module 701, also obtains the auxiliary characteristics being used for accurately location LTE network problem.
Described accurate locating module, for the scope of the examine problem according to LTE network, according to the scope inner position LTE network problem of described auxiliary characteristics in described examine problem.
Wherein, described index selection module 701 according to the scope of the examine problem of LTE network, can obtain the auxiliary characteristics being used for accurately location LTE network problem in described scope, particularly:
When every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the third state, comprise for the auxiliary characteristics of locating LTE network problem: while described community, the evolved packet system RAB (E-RAB) of online user number, described community is created as the throughput of the adjacent cell of power and/or described community.
And/or, when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the 4th state, comprise for the auxiliary characteristics of locating LTE network problem: the historical record value of the average occupancy of PRB and/or the E-RAB of described community of described community are created as power.
And/or, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the third state, comprise for the auxiliary characteristics of locating LTE network problem: signal to noise ratio (SINR) value in the measurement report (MR) of described community, Reference Signal Received Power (RSRP) value and/or physical cell identity (PCI) value.
And/or, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the 4th state, comprise for the auxiliary characteristics of locating LTE network problem: the uplink transmission power information in the MR of described community, RSRP value and/or PCI value.
Described accurate locating module, may be used for when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the third state, while judging described community, whether online user number is greater than preset value; If online user number is greater than preset value while described community, judge that the E-RAB of described community is created as power and whether is greater than preset value, if the E-RAB of described community is created as power be greater than preset value, determine that network is normal, otherwise, determine to there is network load problem; If online user number is not more than preset value while described community, judge that the E-RAB of described community is created as power and whether is greater than preset value, if the E-RAB of described community is created as power be greater than preset value, determine that network is normal, otherwise, determine to there is base station scheduling problem.Wherein, described base station scheduling problem comprises wireless resource scheduling problem.
Described accurate locating module, may be used for when there is network load problem, determine whether the throughput of each adjacent cell of described community is greater than preset value, judge whether that the throughput of the adjacent cell of predetermined ratio is greater than preset value, if, determine to need to carry out dilatation to network, otherwise, determine the load balancing parameter needing to adjust minizone.
Described accurate locating module, may be used for when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the 4th state, determine the historical standard value of the average occupancy of the PRB of described community according to each historical record value of the average occupancy of the PRB of described community, judge whether the historical standard value of the average occupancy of the PRB of described community is greater than preset value; If the historical standard value of the average occupancy of the PRB of described community is greater than preset value, determine to there is BTS hardware failure problems; If the historical standard value of the average occupancy of the PRB of described community is less than preset value, judge that the E-RAB of described community is created as power and whether is greater than preset value, if the E-RAB of described community is created as power be greater than preset value, determine that network is normal, otherwise, determine to there is base station scheduling problem.Wherein, described base station scheduling problem comprises wireless resource scheduling problem.
Described accurate locating module, may be used for, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the third state, judging whether the SINR value of described community is less than preset value, when described SINR value is less than preset value, determine whether the value of the RSRP in each sampling MR of described community is less than preset value, judge that whether the ratio shared in total number of the sampling MR of described community of the number comprising the sampling MR of the RSRP being less than preset value of described community is higher than preset value, if, determine to there is the weak covering problem of network, otherwise, judging to exist with the PCI of described community the MR that mould three disturbs reports ratio whether to be greater than preset value, if, determine to there is PCI mould three interference problem, otherwise, determine to exist owing to repeating to cover the adjacent area interference problem caused, when described SINR value is not less than preset value, monitoring terminal ability information, judges to there is terminal problem or there is base station scheduling problem according to terminal ability information.
Described accurate locating module, may be used for when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the 4th state, according to the uplink transmission power information in the sampling MR of described community, determine whether uplink transmission power corresponding to described sampling MR is greater than preset value, judge that whether number that corresponding uplink transmission power is greater than the sampling MR of the preset value ratio shared by the total number of sampling MR of described community is higher than preset value, if described ratio is higher than preset value, judging that whether described community is the community for covering continuously, if so, determining that network is normal, otherwise, determine to there is BTS hardware fault or base station distribution problem, if described ratio is not higher than preset value, determine whether the value of the RSRP in each sampling MR of described community is less than preset value, judge that whether the ratio of the number comprising the sampling MR of the RSRP being less than preset value of described community shared by total number of all sampling MR of described community be higher than preset value, if, determine to there is network coverage problem, otherwise, judging to exist with the PCI of described community the MR that mould three disturbs reports ratio whether to be greater than preset value, if, determine to there is PCI mould three interference problem, otherwise, determine to exist owing to repeating to cover the adjacent area interference problem caused.
Index selection module 701 in the embodiment of the present invention, every PRB average throughput, the average occupancy of PRB of community, every auxiliary characteristics etc. of community initiatively can be obtained from network management device, or, also can receive the indices of other equipment or module input.
System shown in Figure 7 can export existing network Problems existing according to result of determination, for network operation attendant reference, helps it to find network problem rapidly, reduces test job amount.
Visible, in the preferred embodiment of the present invention, from the leading indicator that every PRB average throughput and the average occupancy two indices of PRB of Network Management Equipment acquisition cell-level are observed as regular maintenance, first quantitative combinatory analysis is carried out to this two indices, focus on the in-problem scope of possibility, then for may Problems existing select can other webmaster index of assist location particular problem, final confirmation and fixer network Problems existing, focusing and specific aim stronger, avoid blindly, a large amount of test jobs, for the daily O&M of LTE network with find that addressing network problems provides a new approach.Further, more accurate based on network management data addressing network problems, index collection is convenient, decreases the randomness and one-sidedness of testing and bringing simultaneously, can find network problem in time, be suitable for the instrument safeguarded as commodity network.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (23)
1., based on a method for wireless index location LTE network problem, it is characterized in that, the method comprises:
Obtain every Physical Resource Block (PRB) average throughput of community and the average occupancy of PRB of described community;
Determine that whether every PRB average throughput of described community is higher than the first threshold value, if so, determine that every PRB average throughput of described community is in the first state, otherwise, determine that every PRB average throughput of described community is in the second state;
Determine that whether the average occupancy of the PRB of described community is higher than the second threshold value, if so, determine that the average occupancy of the PRB of described community is in the third state, otherwise, determine that the average occupancy of described community is in the 4th state;
State residing for every PRB average throughput of described community and the state residing for the average occupancy of PRB of described community, determine the scope of the examine problem of LTE network, in the scope inner position LTE network problem of described examine problem.
2. method according to claim 1, is characterized in that, the state residing for every PRB average throughput of described community and the state residing for the average occupancy of PRB of described community, determines that the scope of the examine problem of LTE network comprises:
When every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the third state, determine that the scope of the examine problem of LTE network comprises: base station scheduling problem and/or network load problem;
And/or, when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the 4th state, determine that the scope of the examine problem of LTE network comprises: BTS hardware failure problems and/or base station scheduling problem;
And/or, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the third state, determine that the scope of the examine problem of LTE network comprises: network coverage problem, network interferences problem, terminal problem and/or base station scheduling problem;
And/or, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the 4th state, determine that the scope of the examine problem of LTE network comprises: network coverage problem, network interferences problem, BTS hardware failure problems and/or base station distribution problem.
3. method according to claim 1 and 2, is characterized in that, comprises in the scope inner position LTE network problem of described examine problem:
Obtain the auxiliary characteristics being used for accurately location LTE network problem, according to the scope inner position LTE network problem of described auxiliary characteristics in described examine problem.
4. method according to claim 3, is characterized in that,
When every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the third state, comprise for the auxiliary characteristics of locating LTE network problem: while described community, the evolved packet system RAB (E-RAB) of online user number, described community is created as the throughput of the adjacent cell of power and/or described community;
And/or, when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the 4th state, comprise for the auxiliary characteristics of locating LTE network problem: the historical record value of the average occupancy of PRB and/or the E-RAB of described community of described community are created as power;
And/or, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the third state, comprise for the auxiliary characteristics of locating LTE network problem: signal to noise ratio (SINR) value in the measurement report (MR) of described community, Reference Signal Received Power (RSRP) value and/or physical cell identity (PCI) value;
And/or, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the 4th state, comprise for the auxiliary characteristics of locating LTE network problem: the uplink transmission power information in the MR of described community, RSRP value and/or PCI value.
5. method according to claim 4, it is characterized in that, when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the third state, comprise according to the scope inner position LTE network problem of described auxiliary characteristics in described examine problem:
While judging described community, whether online user number is greater than preset value;
If online user number is greater than preset value while described community, judge that the E-RAB of described community is created as power and whether is greater than preset value, if the E-RAB of described community is created as power be greater than preset value, determine that network is normal, otherwise, determine to there is network load problem;
If online user number is not more than preset value while described community, judge that the E-RAB of described community is created as power and whether is greater than preset value, if the E-RAB of described community is created as power be greater than preset value, determine that network is normal, otherwise, determine to there is base station scheduling problem.
6. method according to claim 5, is characterized in that, the method also comprises:
When there is network load problem, determine whether the throughput of each adjacent cell of described community is greater than preset value, judge whether that the throughput of the adjacent cell of predetermined ratio is greater than preset value, if, determine to need to carry out dilatation to network, otherwise, determine the load balancing parameter needing to adjust minizone.
7. method according to claim 4, it is characterized in that, when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the 4th state, comprise according to the scope inner position LTE network problem of described auxiliary characteristics in described examine problem:
Determine the historical standard value of the average occupancy of the PRB of described community according to each historical record value of the average occupancy of the PRB of described community, judge whether the historical standard value of the average occupancy of the PRB of described community is greater than preset value;
If the historical standard value of the average occupancy of the PRB of described community is greater than preset value, determine to there is BTS hardware failure problems;
If the historical standard value of the average occupancy of the PRB of described community is less than preset value, judge that the E-RAB of described community is created as power and whether is greater than preset value, if the E-RAB of described community is created as power be greater than preset value, determine that network is normal, otherwise, determine to there is base station scheduling problem.
8. the method according to claim 5 or 7, is characterized in that, described base station scheduling problem comprises wireless resource scheduling problem.
9. method according to claim 4, it is characterized in that, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the third state, comprise according to the scope inner position LTE network problem of described auxiliary characteristics in described examine problem:
Judge whether the SINR value of described community is less than preset value;
When described SINR value is less than preset value, determine whether the value of the RSRP in each sampling MR of described community is less than preset value, judge that whether the ratio shared in total number of the sampling MR of described community of the number comprising the sampling MR of the RSRP being less than preset value of described community is higher than preset value, if, determine to there is the weak covering problem of network, otherwise, judging to exist with the PCI of described community the MR that mould three disturbs reports ratio whether to be greater than preset value, if, determine to there is PCI mould three interference problem, otherwise, determine to exist owing to repeating to cover the adjacent area interference problem caused,
When described SINR value is not less than preset value, monitoring terminal ability information, judges to there is terminal problem or there is base station scheduling problem according to terminal ability information.
10. method according to claim 9, is characterized in that, judges to there is terminal problem or store base station scheduling problem to comprise according to terminal ability information:
Judge the decoding capability of terminal, support the ability of coding and/or support whether the ability of transmission mode meets pre-provisioning request, if so, determines to there is base station scheduling problem, otherwise, determine that there is terminal promotes problem.
11. methods according to claim 4, it is characterized in that, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the 4th state, comprise according to the scope inner position LTE network problem of described auxiliary characteristics in described examine problem:
According to the uplink transmission power information in the sampling MR of described community, determine whether uplink transmission power corresponding to described sampling MR is greater than preset value, judge that whether number that corresponding uplink transmission power is greater than the sampling MR of the preset value ratio shared by the total number of sampling MR of described community is higher than preset value;
If described ratio is higher than preset value, judging that whether described community is the community for covering continuously, if so, determining that network is normal, otherwise, determine to there is BTS hardware fault or base station distribution problem;
If described ratio is not higher than preset value, determine whether the value of the RSRP in each sampling MR of described community is less than preset value, judge that whether the ratio of the number comprising the sampling MR of the RSRP being less than preset value of described community shared by total number of all sampling MR of described community be higher than preset value, if, determine to there is the weak covering problem of network, otherwise, judging to exist with the PCI of described community the MR that mould three disturbs reports ratio whether to be greater than preset value, if, determine to there is PCI mould three interference problem, otherwise, determine to exist owing to repeating to cover the adjacent area interference problem caused.
12. methods according to claim 11, is characterized in that, determine to there is BTS hardware fault or base station distribution problem comprises:
Judge whether BTS hardware exists fault, if so, determine to there is BTS hardware failure problems, otherwise, determine to there is base station distribution problem.
13. methods according to claim 1, is characterized in that, described first threshold value is determined according to the mean value of PRB average throughput every in the historical record value of every PRB average throughput of described community and/or network;
And/or described second threshold value is determined according to the mean value of the average occupancy of PRB in the historical record value of the average occupancy of PRB of described community and/or network.
14. 1 kinds of systems based on wireless index location LTE network problem, it is characterized in that, this system comprises index selection module, state determining module and examine problem scope determination module;
Described index selection module, for the average occupancy of PRB of every Physical Resource Block (PRB) average throughput and described community that obtain community;
Described state determining module, for determining that whether every PRB average throughput of described community is higher than the first threshold value, if, determine that every PRB average throughput of described community is in the first state, otherwise, determine that every PRB average throughput of described community is in the second state, determine that whether the average occupancy of the PRB of described community is higher than the second threshold value, if, determine that the average occupancy of the PRB of described community is in the third state, otherwise, determine that the average occupancy of described community is in the 4th state;
Described examine problem scope determination module, for the state residing for every PRB average throughput of described community and described community the average occupancy of PRB residing for state, determine the scope of the examine problem of LTE network, make it possible to the scope inner position LTE network problem in described examine problem.
15. systems according to claim 14, is characterized in that,
Described examine problem scope determination module, for when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the third state, determine that the scope of the examine problem of LTE network comprises: base station scheduling problem and/or network load problem; And/or, when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the 4th state, determine that the scope of the examine problem of LTE network comprises: BTS hardware failure problems and/or base station scheduling problem; And/or, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the third state, determine that the scope of the examine problem of LTE network comprises: network coverage problem, network interferences problem, terminal problem and/or base station scheduling problem; And/or, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the 4th state, determine that the scope of the examine problem of LTE network comprises: network coverage problem, network interferences problem, BTS hardware failure problems and/or base station distribution problem.
16. systems according to claims 14 or 15, it is characterized in that, this system also comprises accurate locating module;
Described index selection module, obtains the auxiliary characteristics being used for accurately location LTE network problem;
Described accurate locating module, for the scope of the examine problem according to LTE network, according to the scope inner position LTE network problem of described auxiliary characteristics in described examine problem.
17. systems according to claim 16, is characterized in that,
When every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the third state, comprise for the auxiliary characteristics of locating LTE network problem: while described community, the evolved packet system RAB (E-RAB) of online user number, described community is created as the throughput of the adjacent cell of power and/or described community;
And/or, when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the 4th state, comprise for the auxiliary characteristics of locating LTE network problem: the historical record value of the average occupancy of PRB and/or the E-RAB of described community of described community are created as power;
And/or, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the third state, comprise for the auxiliary characteristics of locating LTE network problem: signal to noise ratio (SINR) value in the measurement report (MR) of described community, Reference Signal Received Power (RSRP) value and/or physical cell identity (PCI) value;
And/or, when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the 4th state, comprise for the auxiliary characteristics of locating LTE network problem: the uplink transmission power information in the MR of described community, RSRP value and/or PCI value.
18. systems according to claim 17, is characterized in that,
Described accurate locating module, for when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the third state, while judging described community, whether online user number is greater than preset value; If online user number is greater than preset value while described community, judge that the E-RAB of described community is created as power and whether is greater than preset value, if the E-RAB of described community is created as power be greater than preset value, determine that network is normal, otherwise, determine to there is network load problem; If online user number is not more than preset value while described community, judge that the E-RAB of described community is created as power and whether is greater than preset value, if the E-RAB of described community is created as power be greater than preset value, determine that network is normal, otherwise, determine to there is base station scheduling problem.
19. systems according to claim 18, is characterized in that,
Described accurate locating module, for when there is network load problem, determine whether the throughput of each adjacent cell of described community is greater than preset value, judge whether that the throughput of the adjacent cell of predetermined ratio is greater than preset value, if, determine to need to carry out dilatation to network, otherwise, determine the load balancing parameter needing to adjust minizone.
20. systems according to claim 17, is characterized in that,
Described accurate locating module, for when every PRB average throughput of described community is in the first state and the average occupancy of PRB of described community is in the 4th state, determine the historical standard value of the average occupancy of the PRB of described community according to each historical record value of the average occupancy of the PRB of described community, judge whether the historical standard value of the average occupancy of the PRB of described community is greater than preset value; If the historical standard value of the average occupancy of the PRB of described community is greater than preset value, determine to there is BTS hardware failure problems; If the historical standard value of the average occupancy of the PRB of described community is less than preset value, judge that the E-RAB of described community is created as power and whether is greater than preset value, if the E-RAB of described community is created as power be greater than preset value, determine that network is normal, otherwise, determine to there is base station scheduling problem.
21. systems according to claim 18 or 20, it is characterized in that, described base station scheduling problem comprises wireless resource scheduling problem.
22. systems according to claim 17, is characterized in that,
Described accurate locating module, for when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the third state, judges whether the SINR value of described community is less than preset value, when described SINR value is less than preset value, determine whether the value of the RSRP in each sampling MR of described community is less than preset value, judge that whether the ratio shared in total number of the sampling MR of described community of the number comprising the sampling MR of the RSRP being less than preset value of described community is higher than preset value, if, determine to there is the weak covering problem of network, otherwise, judging to exist with the PCI of described community the MR that mould three disturbs reports ratio whether to be greater than preset value, if, determine to there is PCI mould three interference problem, otherwise, determine to exist owing to repeating to cover the adjacent area interference problem caused, when described SINR value is not less than preset value, monitoring terminal ability information, judges to there is terminal problem or there is base station scheduling problem according to terminal ability information.
23. systems according to claim 17, is characterized in that,
Described accurate locating module, for when every PRB average throughput of described community is in the second state and the average occupancy of PRB of described community is in the 4th state, according to the uplink transmission power information in the sampling MR of described community, determine whether uplink transmission power corresponding to described sampling MR is greater than preset value, judge that whether number that corresponding uplink transmission power is greater than the sampling MR of the preset value ratio shared by the total number of sampling MR of described community is higher than preset value, if described ratio is higher than preset value, judging that whether described community is the community for covering continuously, if so, determining that network is normal, otherwise, determine to there is BTS hardware fault or base station distribution problem, if described ratio is not higher than preset value, determine whether the value of the RSRP in each sampling MR of described community is less than preset value, judge that whether the ratio of the number comprising the sampling MR of the RSRP being less than preset value of described community shared by total number of all sampling MR of described community be higher than preset value, if, determine to there is network coverage problem, otherwise, judging to exist with the PCI of described community the MR that mould three disturbs reports ratio whether to be greater than preset value, if, determine to there is PCI mould three interference problem, otherwise, determine to exist owing to repeating to cover the adjacent area interference problem caused.
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