CN103747474A - Method for calculating and evaluating network structure problem region through measuring reports - Google Patents
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Abstract
The invention discloses a method for calculating and evaluating a network structure problem region through measuring reports. The method is characterized by mainly comprising the following steps that (1) overlapped coverage sampling points are worked out through MRO data; (2) a weighted risk index of a key cell is worked out according to the overlapped coverage sampling points; (3) micro regions of the key cell are found out through bidirectional positioning operation; (4) the interference degree of all micro regions on the network is obtained through the structure damage index algorithm calculation, so the problem region is confirmed. The method provided by the invention has the advantages that great revolution is made on the data source selection, and the sweeping frequency data measurement requiring a great amount of labor and materials is abandoned, the MRO data measurement for directly obtaining on the network management is adopted, the data updating period is very short, the data quantity is very great, and in addition, the coverage rate can reach 100 percent.
Description
Technical field
The present invention relates to the communications field, specifically refer to a kind of method of calculating critic network structure problem region by measurement report.
Background technology
At present, in row, TD structural analysis is mainly to renovate as main take overlapping covering analyzing, and its data realize based on frequency sweep data.The overlapping covering of so-called road refers to: on road, PCCPCH RSCP difference is less than 6dB, be greater than-95dBm of community RSCP, and meanwhile, the community sum that meets above-mentioned condition that it comprises is greater than 3.But when the overlapping covering analyzing method of actual motion, still there is following defect in it:
One, because existing technical scheme mainly relies on frequency sweep data, and frequency sweep data need manually to measure collection to road, not only its data collection efficiency is very low, but also to carry out Data Update in a big way, therefore its data acquisition and update cycle longer, be unfavorable for assessment and the analytical work of network presence at present complicated and changeable.
Its two, because frequency sweep data need tester to put in road test, could collect, therefore need to expend a large amount of man power and materials and just can complete the Data Collection work an of section or the whole network.
They are three years old, because existing technical scheme is based on road frequency sweep data, that is to say that calculated overlapping covering problem region is also on road, the distribution of traffic is more distributed in the community floor that vehicle cannot walk, therefore it can only locate and solve the overlapping covering problem of road scene, its result only can reflect regional area problem, and cannot carry out entirety, comprehensively analyzes.
In sum, not only there is the defect that data acquisition efficiency is low, the cycle long, manpower and materials consumption is larger in the currently used overlapping covering analyzing regulation method of realizing based on frequency sweep data, and its result also can only reflect regional area problem, can not reflect accurately and effectively the situation in whole region.
Summary of the invention
The object of the invention is to overcome current people adopt overlapping covering analyzing method carry out network configuration problem calculate when assessment existing data acquisition efficiency low, the cycle is long, manpower and materials consumption is larger, and can not accurately comprehensively reflect the defect of whole Local Area Network problem, provide a kind of can effectively address the above problem by measurement report, calculate the method in critic network structure problem region.
Object of the present invention is achieved through the following technical solutions: a kind of method of calculating critic network structure problem region by measurement report, mainly comprises the following steps:
(1) by MRO data, calculate overlapping covering sampled point;
(2) weighting that calculates crucial community according to the overlapping covering sampled point index of being injured;
(3) by the computing of two-way location, find out the film micro area of this key community;
(4) by damage index algorithm, calculate the annoyance level of all film micro areas to network, thereby confirm problem area.
Further, described " the calculating overlapping covering sampled point by MRO data " of step (1) refers to, according to MRO data value, judge whether this main plot is overlapping covering sampled point, and its criterion is to meet following three conditions simultaneously: one, main plot PCCPCH RSCP >=-95dBm; Two, PCCPCH RSCP difference < 6dB between adjacent cell and main plot; Three, eligible two adjacent cell number >=3.
" weighting that calculates crucial community according to overlapping covering sampled point be injured index " that step (2) is described, it specifically comprises the following steps:
(21) by overlapping covering sampled point, determine that this main plot is " persecution " community or " being injured " community;
(22) quantity of statistics " persecution " community and " being injured " community, formation " persecution " is counted and " being injured " counts;
(23) by " persecution ", count and " being injured " counts, orient crucial community, and calculate the weighting index of being injured.
Wherein, described " weighting be injured index ", its computing formula is:
Wherein, i refers to main plot;
Combination α sampled point refers to the overlapping covering sampled point quantity of different districts composition;
Combination α community number refers to the number of cells that the overlapping covering sampled point of different districts composition relates to.
" finding out the film micro area of this key community by the computing of two-way location " that step (3) is described, its " film micro area " refers to has plural minizone to have the region that mutually has between two signal overlap in region.
" calculate the annoyance level of all film micro areas to network by damage index algorithm, thereby confirm problem area " that step (4) is described, the community weighting that its " damage index algorithm " the is all formation film micro areas index sum of being injured.
" being injured " community described in step (21) refers to: by mobile phone terminal, taken and its periphery signal strength signal intensity is close and quantity is more than or equal to 3 community; Described " persecution " community does not refer to and is not taken by mobile phone terminal, and it by mobile phone terminal, is taken and periphery signal strength signal intensity is close and quantity is more than or equal to 3 community.
The present invention compares and has the following advantages and beneficial effect compared with prior art:
(1) the present invention has done major transformation choosing of data source, the sweep measurement data that need a large amount of manpower and materials to drop into have been abandoned, use the MRO measurement data that can directly obtain on webmaster instead, not only its Data Update cycle is very short, data volume is very large, and its coverage rate can reach 100%.
(2) the true and reliable property of MRO data is very strong, not only in reflection, has more outstanding performance in global issue, and the impact that can also effectively avoid accident to bring of MRO data, can more accurately and effectively navigate to the structure problem region existing in network.
Accompanying drawing explanation
Fig. 1 is overall flow structural representation of the present invention;
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, method proposed by the invention is based upon on MRO data basis, and it mainly comprises the following steps:
(1) by MRO data, calculate overlapping covering sampled point.
Measurement is a critical function of TD-SCDMA system.The measurement result that physical layer reports can complete triggering events such as community selection/reselection and switching for Radio Resource control sublayer in system, also can be for system Operation and Maintenance, and the running status of observing system.The network equipment should have the ability of measuring defined measurement report data.When metering system adopts period measurement, can when customizing, measurement task be configured report cycle.
To a measurement, report triggering mode can be Event triggered or periodic triggers.If periodic triggers need to configure report cycle; If Event triggered, the affair that utilizes network to open, does not need to open and measure in addition.Wherein, the measurement model of TD-SCDMA and all kinds of cycle are defined as follows:
Node B or UE measuring period: represent the cycle that Node B or UE measure certain measurement data, be 100ms for example measuring period of UPPCH ISCP.
Node B or UE measure report cycle: expression Node B or UE be the cycle to RNC by measurement report, by RNC, with corresponding control message, by this cycle, notify Node B or UE.
OMC-R measurement period: represent that OMC-R generates the cycle of measurement report statistics, this cycle is generally the integral multiple of 15 minutes or 15 minutes.
OMC-R report cycle: represent that OMC-R reports measurement report statistics the cycle of NMS by northbound interface, this cycle is generally the integral multiple of OMC-R measurement period.
The data content and the call format that in the present invention, stipulate wireless measurement report in OMC-R, measurement report has two kinds of file layouts in OMC-R: measurement report sample data (being called for short MRO) and measurement report statistics (being called for short MRS).
Measurement report sample data, represents the original measurement report information that OMC-R collects.Measurement report statistics, is illustrated in a measurement period, the original measurement report sample size of the by stages statistics obtaining according to certain statistical condition.
Measurement report statistics is divided into one-dimensional measurement report statistics data and two-dimensional measurement report statistics data.One-dimensional measurement report statistics data only relate to a kind of statistical condition, and two-dimensional measurement report statistics data relate to two kinds of statistical condition.One-dimensional measurement report statistics data record feature is as shown in the table.
MRO measurement report mainly includes same-frequency measure reporting, different-frequency measure reporting and isosystem measurement report three types.And measurement report main information comprises: RNCID, CellID, IMSI, Serving cell dominant frequency frequency, Serving cell are current by information such as frequency, Serving cell scrambler, Serving cell code received power, adjacent cell dominant frequency frequency, adjacent cell scrambler, adjacent cell code received power, different system dominant frequency, different system colour coding, different system signal intensity and report reporting times.
Wherein, when Serving cell is current, when identical with adjacent cell dominant frequency frequency with frequency, be same-frequency measure reporting, when Serving cell is current, when not identical with adjacent cell dominant frequency frequency with frequency, be pilot frequency point measurement report, isosystem measurement refers to the measurement of TD to GSM, the metrical information that is mainly used in collecting 2G.Same measurement report can comprise same-frequency measure reporting, different-frequency measure reporting and isosystem measurement report simultaneously.
In actual motion, the reason that in TD-SCDMA, overlapping covering produces is a lot, and influencing factor mainly contains: base station selection, antenna are hung transmitting power, surrounding environment influence of high, antenna azimuth, Downtilt, cell layout, PCCPCH etc.When we carry out networking, overlapping covering has a certain impact to our network performance, and main manifestations is following four kinds of situations.
One, call completion ratio reduces: in the place of overlapping covering, due to mobile phone, cannot stablize and reside at Yi Ge community, ceaselessly carry out Serving cell gravity treatment, at mobile phone, rise in exhaling process and can constantly change Serving cell, easily occur to exhale unsuccessfully.
Its two, cutting off rate rises: while there is the situation of overlapping covering, due to enough strong dominant pilots of neither one, in mobile phone communication process, pingpang handoff can be more serious, causes cutting off rate rising.
Its three, power system capacity reduce: when the situation of overlapping covering occurs, due to occur disturb, can cause system receiving sensitivity promote.The signal far away apart from base station cannot access, and causes power system capacity to decline.
Its four, high BLER: overlapping covering has very large disturbed condition and occurs while occurring, can cause like this BLER to promote, and causes speech quality to decline, and message transmission rate declines.
Based on above-mentioned condition, the criterion of the overlapping covering sampled point described in the present invention is to meet following three conditions simultaneously: one, main plot PCCPCH RSCP >=-95dBm; Two, PCCPCH RSCP difference < 6dB between adjacent cell and main plot; Three, eligible two adjacent cell number >=3.
Above the measurement report in certain several community meets, during three conditions, just can be judged to be is overlapping covering sampled point.
(2) weighting that calculates crucial community according to the overlapping covering sampled point index of being injured, it specifically comprises the following steps:
(21) by overlapping covering sampled point, determine that this main plot is " persecution " community or " being injured " community." being injured " community described here refers to: by mobile phone terminal, taken and its periphery signal strength signal intensity is close and quantity is more than or equal to 3 community; Described " persecution " community does not refer to and is not taken by mobile phone terminal, and it by mobile phone terminal, is taken and periphery signal strength signal intensity is close and quantity is more than or equal to 3 community.
(22) quantity of statistics " persecution " community and " being injured " community, formation " persecution " is counted and " being injured " counts.
(23) by " persecution ", count and " being injured " counts, orient crucial community, and calculate the weighting index of being injured, its computing formula is as follows:
I refers to main plot;
Combination α sampled point refers to the overlapping covering sampled point quantity of different districts composition;
Combination α community number refers to the number of cells that the overlapping covering sampled point of different districts composition relates to;
(3) by the computing of two-way location, find out the film micro area of this key community.
Wherein, in film micro area positioning analysis process, can set up community degree of correlation table { Relav (Ai, Aj) } according to overlapping covering sampling, then set up the incidence matrices a answering in contrast, and design film micro area to search algorithm as follows:
For example, for 4 communities A, B, C, D}, supposes to obtain incidence matrices
Every a line represents respectively the dependency relation Relav of this community and all the other Si Ge communities, is that 1 expression minizone exists signal overlap relation, be 0 uncorrelated.On diagonal, be defaulted as 0.Dependency relation can be reduced to bidirectional relationship, and therefore incidence matrices a can be reduced to upper triangular matrix
Represent { A, B, C, the mutual dependency relation in minizone of D}.
As
incidence matrices, can navigate to Ψ 1(A, B, C, D), Ψ 2(A, B, C, D, E) and Ψ 3(A, B, C, D, E).Wherein, should " film micro area " refer in region, have plural minizone to have the region that mutually has between two signal overlap, Ψ 1, Ψ 2 and Ψ 3 relate to the region that community forms.
(4) by damage index algorithm, calculate the annoyance level of all film micro areas to network, thereby confirm problem area.Should " damage index algorithm " refer to the community weighting of all formation film micro areas index sum of being injured.So-called " weighting be injured index " is the value of weighing the covering complexity of film micro area.
As mentioned above, just can well realize the present invention.
Claims (7)
1. a method of calculating critic network structure problem region by measurement report, is characterized in that, mainly comprises the following steps:
(1) by MRO data, calculate overlapping covering sampled point;
(2) weighting that calculates crucial community according to the overlapping covering sampled point index of being injured;
(3) by the computing of two-way location, find out the film micro area of this key community;
(4) by damage index algorithm, calculate the annoyance level of all film micro areas to network, thereby confirm problem area.
2. a kind of method of calculating critic network structure problem region by measurement report according to claim 1, it is characterized in that, described " the calculating overlapping covering sampled point by MRO data " of step (1) refers to, according to MRO data value, judge whether this main plot is overlapping covering sampled point, and its criterion is to meet following three conditions simultaneously: one, main plot PCCPCH RSCP >=-95dBm; Two, PCCPCH RSCP difference < 6dB between adjacent cell and main plot; Three, eligible two adjacent cell number >=3.
3. a kind of method of calculating critic network structure problem region by measurement report according to claim 1 and 2, it is characterized in that, " weighting that calculates crucial community according to overlapping covering sampled point be injured index " that step (2) is described, it specifically comprises the following steps:
(21) by overlapping covering sampled point, determine that this main plot is " persecution " community or " being injured " community;
(22) quantity of statistics " persecution " community and " being injured " community, formation " persecution " is counted and " being injured " counts;
(23) by " persecution ", count and " being injured " counts, orient crucial community, and calculate the weighting index of being injured.
4. a kind of method of calculating critic network structure problem region by measurement report according to claim 3, it is characterized in that, " finding out the film micro area of this key community by the computing of two-way location " that step (3) is described, its " film micro area " refers to has plural minizone to have the region that mutually has between two signal overlap in region.
5. a kind of method of calculating critic network structure problem region by measurement report according to claim 4, it is characterized in that, step (4) described " by damage index algorithm, calculate the annoyance level of all film micro areas to network; thus confirm problem area ", the community weighting that its " damage index algorithm " the is all formation film micro areas index sum of being injured.
6. a kind of method of calculating critic network structure problem region by measurement report according to claim 3, it is characterized in that, " being injured " community described in step (21) refers to: by mobile phone terminal, taken and its periphery signal strength signal intensity is close and quantity is more than or equal to 3 community; Described " persecution " community does not refer to and is not taken by mobile phone terminal, and it by mobile phone terminal, is taken and periphery signal strength signal intensity is close and quantity is more than or equal to 3 community.
7. a kind of method of calculating critic network structure problem region by measurement report according to claim 3, is characterized in that, " weighting be injured index " described in step (23), and its computing formula is:
Wherein, i refers to main plot;
Combination α sampled point refers to the overlapping covering sampled point quantity of different districts composition;
Combination α community number refers to the number of cells that the overlapping covering sampled point of different districts composition relates to.
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| CN108307339A (en) * | 2018-01-12 | 2018-07-20 | 北京天元创新科技有限公司 | User terminal localization method, system, electronic equipment and storage medium |
| CN109596089A (en) * | 2017-09-30 | 2019-04-09 | 中国移动通信集团云南有限公司 | Determine azimuthal method, apparatus, electronic equipment and storage medium |
| CN110493813A (en) * | 2018-05-15 | 2019-11-22 | 中国移动通信集团湖北有限公司 | Determination method, apparatus, equipment and the medium of weak overlay area |
| CN112804709A (en) * | 2019-11-13 | 2021-05-14 | 中国移动通信集团重庆有限公司 | Method and device for determining overlapping coverage condition between serving cells |
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| CN112804709B (en) * | 2019-11-13 | 2022-10-14 | 中国移动通信集团重庆有限公司 | Method and device for determining overlapping coverage condition between serving cells |
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