CN101835173A - System and analysis method of TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) wireless network based on geographical position coverage effect - Google Patents
System and analysis method of TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) wireless network based on geographical position coverage effect Download PDFInfo
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Abstract
The invention relates to a system and an analysis method of a TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) wireless network based on a geographical position coverage effect. The system comprises a data management module which is connected with a radio network controller (RNC) through an operation maintenance interface, an analysis knowledge base module through an internal message interface and an analysis calculation module through the internal message interface as well as respectively connected with a client end and drive test data through an interface adaptor, and a file reading interface of the data management module can be also connected with an input file. The analysis method comprises the following steps of: 1. coverage strength analysis; 2. cell coverage analysis; 3. pilot frequency pollution analysis; and 4. street corner effect analysis. The invention has the characteristics of requiring no special test device, having zero cost, filling up an indoor signal test blank and saving manpower call expenditure of drive test vehicles.
Description
Technical field
The invention belongs to the wireless communication technique field, particularly a kind of TD-SCDMA wireless network is based on the system and the analytical method of geographical position coverage effect.
Background technology
In the process of network O﹠M, wireless environment, equipment situation are constantly to change.For example: the construction of new building causes the sub-district to cover cavity, the change of adjacent cell relations; The dismounting of old building causes the interference enhancing of minizone, adjacent cell relations to change; Movement of population causes the variation of telephone traffic, causes resource idle or nervous; Not clear interference or the undesired call loss that causes of device or the like.For the variation that network can be conformed dynamically, judge that rapidly network is unusual, and then, need carry out analyzing based on the geographical position coverage effect for the network adjustment points the direction.
General method is to obtain by the method for sample testing at present.Sample testing mainly comprise the road surface drive the test and single-point dialing detection dual mode.In order to reflect the truth of the whole network, require the sample space of extraction enough comprehensive, reasonable, should meet the probability demands of sampling on the one hand, have enough sample sizes; The distribution character that also should reflect the user on the other hand.
But, road measuring method need consume a large amount of time, manpower, testing expense, test can not travel through all zones, obtain sampled point in the drive test and be mainly derived from test UE, tested sub-district and testing time, the sampling point information data that obtain are not comprehensive, do not possess statistical significance, can't reflect the coverage effect of the whole network based on the geographical position
In addition, the sample mode of sample testing has certain requirement to number of users, user distribution characteristic, if improperly will cause deviation.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the object of the present invention is to provide system and the analytical method of a kind of TD-SCDMA wireless network based on the geographical position coverage effect, having does not need special-purpose testing equipment, has enough analyzing samples and can guarantee the science analyzed; Adopt the present invention to have zero cost, fill up the indoor signal blank testing, save the characteristics of drive test vehicle manpower telephone expenses expenditure.
To achieve these goals, the technical solution used in the present invention is: a kind of TD-SCDMA wireless network is based on the system of geographical position coverage effect, include data management module 1, data management module 1 links to each other with radio network controller (RNC) 2 by the Operation and Maintenance interface, data management module 1 links to each other with analysis knowledge library module 3 by the inside story interface, data management module 1 links to each other with analytical calculation module 4 by the inside story interface, data management module 1 also links to each other with drive test data 7 with client 6 respectively by interface adaptive 5, and the file fetch interface of data management module 1 can also connect input file 8.
A kind of TD-SCDMA wireless network may further comprise the steps based on the analytical method of geographical position coverage effect:
One, cover the intensive analysis step:
This step comprises the steps: again
(1), client 6 sends the parameters such as ID of order, beginning concluding time, radio network controller identifier RNC2 to data management module 1 by man-machine interface
(2), data management module 1 is according to the multistage thresholding that sets in advance the P-CCPCH thresholding, for example-90 ,-80 ,-70dBm, find out corresponding geographical position information, send to the geography information module of client 6; The P-CCPCH information in the geographical position that if there is no sets in advance triggers the processing of step 3;
(3) data management module 1 obtains in the external memory raw data table, the ISCP of PCCPCH RSCP and TS0 in all UE measurement reports; And find out the measurement report of nearest OTDOA, send to analytical calculation module 4;
(4) analytical calculation module 4 is by calculating the geographical position of this P-CCPCH correspondence that obtains the UE measurement;
(5) analytical calculation module 4 arrives data management module 1 with the P-CCPCH storage in geographical position.
(6), data management module 1 is according to the multistage thresholding that sets in advance the P-CCPCH thresholding, for example-90 ,-80 ,-70dBm, find out corresponding geographical position information, send to the geography information module of client 6;
(7), the geography information module of client 6 on map with different colors, green＞-70;-70＞blue＞-80;-90＞red, mark coverage diagram;
Two, sub-district covering analyzing step:
This step comprises the steps: again
(1), client 6 sends the parameters such as ID of order, beginning concluding time, radio network controller identifier RNC2 to database storage module 1 by man-machine interface;
(2), data management module 1 is according to the multistage thresholding that sets in advance CELLID, P-CCPCH thresholding, for example-90 ,-80 ,-70dBm, find out corresponding geographical position information, send to the geography information module of client 6; If there is no the P-CCPCH information in geographical position triggers step 3;
(3) data management module 1 obtains in the external memory raw data table, the ISCP of PCCPCH RSCP and TS0 in all UE measurement reports; And find out the measurement report of nearest OTDOA, send to analytical calculation module 4;
(4) analytical calculation module 4 is by calculating the geographical position of this P-CCPCH correspondence that obtains the UE measurement;
(5) analytical calculation module 4 arrives data management module 1 with the P-CCPCH storage in geographical position.
(6), data management module 1 is according to the multistage thresholding that sets in advance the P-CCPCH thresholding, for example-90 ,-80 ,-70dBm, find out corresponding geographical position information, send to the geography information module of client 6;
(7), the geography information module of client 6 on map with different colors, green＞-70;-70＞blue＞-80;-90＞red, mark this sub-district coverage diagram;
Three, pilot pollution analytical procedure:
This step comprises the steps: again
(1), client 6 sends the parameters such as ID of order, beginning concluding time, radio network controller identifier RNC2 to database storage module 1 by man-machine interface;
(2), data management module 1 is according to the multistage thresholding that sets in advance interference threshold, for example 0 ,-3 ,-6dB, find out corresponding geographical position information, send to the geography information module of client 6; If there is no the P-CCPCH in geographical position table triggers step 3;
(3) data management module 1 obtains in the external memory raw data table, the ISCP of PCCPCH RSCP and TS0 in all UE measurement reports; And find out the measurement report of nearest OTDOA, send to analytical calculation module 4;
(4) analytical calculation module 4 is by calculating the geographical position of this P-CCPCH correspondence that obtains the UE measurement;
(5) analytical calculation module 4 arrives data management module 1 with the P-CCPCH storage in geographical position.
(6), data management module 1 is according to the multistage thresholding that sets in advance interference threshold, for example 0 ,-3 ,-6dB, find out corresponding geographical position information, send to the geography information module of client 6;
(7), the geography information module of client 6 on map with different colors, green＞0; 0＞blue＞-3;-3＞red, mark the interference figure of P-CCPCH;
Four, street corner effect analysis step:
This step comprises the steps: again
(1), client 6 sends the parameters such as ID of order, beginning concluding time, radio network controller identifier RNC2 to database storage module 1 by man-machine interface;
(2), data management module 1 finds out corresponding geographical position information, sends to the geography information module of client 6; If there is no, trigger step 3;
(3), data management module 1 is by database query command, obtains the call drop time of call drop UE ID and UE ID from database, obtains the measurement report of these UE;
(4), data management module 1 is to the measurement report analysis of these UE, find P-CCPCHRSCP, the CCTrCH SIR UE of decline fast, criterion is: before call drop, RSCP, the CCTrCHSIR normal, that Node B measures of the P-CCPCH RSCP that UE measures, CCTrCH SIR are normal;
(5), the measurement report MR of the OTDOA of data management module 1 before with the call drop of UE, send to the geographical position computing module of client 6, obtain positional information, with location storage in database storage module 1;
(6), data management module 1 finds out corresponding geographical position information, sends to the geography information module of client 6;
(7), the geography information module of client 6 is indicated expression street corner effect on map with the position.
The present invention is owing to adopt in the wireless network normal course of operation, by with the Operation and Maintenance interface of radio network controller (RNC), open the CDL function at radio network controller (RNC), measurement report and the cell update message of UE are formed the CDLMR file, variety of event in the RNC running is formed the event description file, can obtain data mode for two kinds by real time data stream mode and file transfer, obtain these files; According to input file, by analysis, determine weakly to cover, cross covering, pilot pollution, street corner effect, island effect zone to measurement of correlation report, having does not need special-purpose testing equipment, has enough analyzing samples and can guarantee the science analyzed; Adopt the present invention to have zero cost, fill up the indoor signal blank testing, save the characteristics of drive test vehicle manpower telephone expenses expenditure.
Description of drawings
Accompanying drawing is a system configuration schematic diagram of the present invention.
Specific implementation method
Below in conjunction with accompanying drawing the present invention is described in further detail.
Referring to accompanying drawing, a kind of TD-SCDMA wireless network is based on the system of geographical position coverage effect, include data management module 1, data management module 1 links to each other with radio network controller (RNC) 2 by the Operation and Maintenance interface, data management module 1 links to each other with analysis knowledge library module 3 by the inside story interface, data management module 1 links to each other with analytical calculation module 4 by the inside story interface, data management module 1 also links to each other with drive test data 7 with client 6 respectively by external interface adaptive 5, and the file fetch interface of data management module 1 can also connect input file 8.
System is input as: the CDLMR of RNC information such as (comprise descending interference, P-CCPCH RSCP, comprise information OTDOA, the AOA+TA that can calculate the geographical position) AOA+P-CCPCHRSCP, RNC configuration data (comprising base station geographic position information).From the RNC configuration data, obtain the various parameter configuration and the geographical location information of sub-district, obtain call event, the measurement report of UE from the CDLMR of RNC.
Data management module 1: the CDL/MR data are carried out decompress(ion), and CDL incident and MR message are resolved and loaded to the mass data behind the decompress(ion) in the mode of time window, and incident is simply sorted, be beneficial to and insert the external memory database efficiently; Finish configuration data retrieval, query function; Storage data preprocessing module output result preserves all CDLMR; Warehouse-in, the retrieval of preliminary treatment outgoing event are provided, and UE information table, various analysis result target generate, search function; Read rule definition file, the create-rule storehouse.
Analytical calculation module 4: be the core of this instrument, the rule in the operational analysis base module is carried out network analysis in memory database, finishes connect into analysis, call drop analysis, switches and analyze; Later stage is finished rule learning, regular systematic function; The service regeulations matching algorithm is analyzed the CDL/MR event base, forms location-based final analysis result; According to different function application analysis result is advised also, gathered, form the information of different application.
Analysis knowledge library module 3: read in the member of analysis rule file formation sequence rule, form knowledge base by a series of sequence rules as knowledge base.Possess existing regular expansion and editting function and self-study habit.This module is made up of static files such as event description file, CDL/MR defined file, analysis rule file, configuration data file.It is the static data source of incident demonstration, parsing, rule base generation.
Client: data show; Analysis result shows; Man-machine interface; The geography information module.
External interface is adaptive: the input interface to road test data is provided.
A kind of TD-SCDMA wireless network may further comprise the steps based on the analytical method of geographical position coverage effect:
One, cover the intensive analysis step:
This step comprises the steps: again
(1), client 6 sends the parameters such as ID of order, beginning concluding time, radio network controller identifier RNC2 to data management module 1 by man-machine interface
(2), data management module 1 according to the multistage thresholding that sets in advance the P-CCPCH thresholding (for example-90 ,-80 ,-70dBm), find out corresponding geographical position information, send to the geography information module of client 6; The P-CCPCH information in the geographical position that if there is no sets in advance triggers the processing of step 3;
(3) data management module 1 obtains in the external memory raw data table, the ISCP of PCCPCH RSCP and TS0 in all UE measurement reports; And find out the measurement report of nearest OTDOA, send to analytical calculation module 4;
(4) analytical calculation module 4 is by calculating the geographical position of this P-CCPCH correspondence that obtains the UE measurement;
(5) analytical calculation module 4 arrives data management module 1 with the P-CCPCH storage in geographical position.
(6), data management module 1 according to the multistage thresholding that sets in advance the P-CCPCH thresholding (for example-90 ,-80 ,-70dBm), find out corresponding geographical position information, send to the geography information module of client 6;
(7), the geography information module of client 6 on map with different colors (green＞-70;-70＞blue＞-80;-90＞red etc.) mark coverage diagram;
Two, sub-district covering analyzing step:
This step comprises the steps: again
(1), client 6 sends the parameters such as ID of order, beginning concluding time, radio network controller identifier RNC2 to database storage module 1 by man-machine interface;
(2), data management module 1 according to the multistage thresholding that sets in advance CELLID, P-CCPCH thresholding (for example-90 ,-80 ,-70dBm), find out corresponding geographical position information, send to the geography information module of client 6; If there is no the P-CCPCH information in geographical position triggers step 3;
(3) data management module 1 obtains in the external memory raw data table, the ISCP of PCCPCH RSCP and TS0 in all UE measurement reports; And find out the measurement report of nearest OTDOA, send to analytical calculation module 4;
(4) analytical calculation module 4 is by calculating the geographical position of this P-CCPCH correspondence that obtains the UE measurement;
(5) analytical calculation module 4 arrives data management module 1 with the P-CCPCH storage in geographical position.
(6), data management module 1 according to the multistage thresholding that sets in advance the P-CCPCH thresholding (for example-90 ,-80 ,-70dBm), find out corresponding geographical position information, send to the geography information module of client 6;
(7), the geography information module of client 6 on map with different colors (green＞-70;-70＞blue＞-80;-90＞red etc.) mark this sub-district coverage diagram;
Three, pilot pollution analytical procedure:
This step comprises the steps: again
(1), client 6 sends the parameters such as ID of order, beginning concluding time, radio network controller identifier RNC2 to database storage module 1 by man-machine interface;
(2), data management module 1 according to the multistage thresholding that sets in advance interference threshold (for example 0 ,-3 ,-6dB), find out corresponding geographical position information, send to the geography information module of client 6; If there is no the P-CCPCH in geographical position table triggers step 3;
(3) data management module 1 obtains in the external memory raw data table, the ISCP of PCCPCH RSCP and TS0 in all UE measurement reports; And find out the measurement report of nearest OTDOA, send to analytical calculation module 4;
(4) analytical calculation module 4 is by calculating the geographical position of this P-CCPCH correspondence that obtains the UE measurement;
(5) analytical calculation module 4 arrives data management module 1 with the P-CCPCH storage in geographical position.
(6), data management module 1 according to the multistage thresholding that sets in advance interference threshold (for example 0 ,-3 ,-6dB), find out corresponding geographical position information, send to the geography information module of client 6;
(7), the geography information module of client 6 on map with different colors (green＞0; 0＞blue＞-3;-3＞red etc.) mark the interference figure of P-CCPCH;
Four, street corner effect analysis step:
This step comprises the steps: again
(1), client 6 sends the parameters such as ID of order, beginning concluding time, radio network controller identifier RNC2 to database storage module 1 by man-machine interface;
(2), data management module 1 finds out corresponding geographical position information, sends to the geography information module of client 6; If there is no, trigger step 3;
(3), data management module 1 is by database query command, obtains the call drop time of call drop UE ID and UE ID from database, obtains the measurement report of these UE;
(4), data management module 1 is to the measurement report analysis of these UE, find P-CCPCHRSCP, the CCTrCH SIR UE of decline fast, criterion is: before call drop, RSCP, the CCTrCHSIR normal, that Node B measures of the P-CCPCH RSCP that UE measures, CCTrCH SIR are normal;
(5), the measurement report MR of the OTDOA of data management module 1 before with the call drop of UE, send to the geographical position computing module of client 6, obtain positional information, with location storage in database storage module 1;
(6), data management module 1 finds out corresponding geographical position information, sends to the geography information module of client 6;
(7), the geography information module of client 6 is indicated expression street corner effect on map with the position.
Claims (2)
1. a TD-SCDMA wireless network is based on the system of geographical position coverage effect, include data management module (1), it is characterized in that, data management module (1) links to each other with radio network controller (RNC) (2) by the Operation and Maintenance interface, data management module (1) links to each other with analysis knowledge library module (3) by the inside story interface, data management module (1) links to each other with analytical calculation module (4) by the inside story interface, data management module 1 also links to each other with drive test data (7) with client (6) respectively by interface adaptive (5), and the file fetch interface of data management module (1) can also connect input file (8).
2. a TD-SCDMA wireless network is characterized in that based on the analytical method of geographical position coverage effect, may further comprise the steps:
One, cover the intensive analysis step:
This step comprises the steps: again
(1), client (6) is given data management module (1) by the parameters such as ID that man-machine interface sends order, beginning concluding time, radio network controller identifier RNC (2);
(2), data management module (1) is according to setting in advance the multistage thresholding of P-CCPCH thresholding, finds out corresponding geographical position information, sends to the geography information module of client (6); The P-CCPCH information in the geographical position that if there is no sets in advance triggers the processing of step 3;
(3) data management module (1) obtains in the external memory raw data table, the ISCP of PCCPCH RSCP and TSO in all UE measurement reports; And find out the measurement report of nearest OTDOA, send to analytical calculation module (4);
(4) analytical calculation module (4) is by calculating the geographical position of this P-CCPCH correspondence that obtains the UE measurement;
(5) analytical calculation module (4) arrives data management module (1) with the P-CCPCH storage in geographical position.
(6), data management module 1 is according to the multistage thresholding that sets in advance the P-CCPCH thresholding, finds out corresponding geographical position information, sends to the geography information module of client (6);
(7), the geography information module of client (6) on map with different colors, green＞-70;-70＞blue＞-80;-90＞red, mark coverage diagram;
Two, sub-district covering analyzing step:
This step comprises the steps: again
(1), client (6) is given database storage module (1) by the parameters such as ID that man-machine interface sends order, beginning concluding time, radio network controller identifier RNC (2);
(2), data management module (1) is according to setting in advance the multistage thresholding of CELL ID, P-CCPCH thresholding, finds out corresponding geographical position information, sends to the geography information module of client (6); If there is no the P-CCPCH information in geographical position triggers step 3;
(3) data management module (1) obtains in the external memory raw data table, the ISCP of PCCPCH RSCP and TSO in all UE measurement reports; And find out the measurement report of nearest OTDOA, send to analytical calculation module (4);
(4) analytical calculation module (4) is by calculating the geographical position of this P-CCPCH correspondence that obtains the UE measurement;
(5) analytical calculation module (4) arrives data management module (1) with the P-CCPCH storage in geographical position.
(6), data management module (1) is according to setting in advance the multistage thresholding of P-CCPCH thresholding, finds out corresponding geographical position information, sends to the geography information module of client (6);
(7), the geography information module of client (6) on map with different colors, green＞-70;-70＞blue＞-80;-90＞red, mark this sub-district coverage diagram;
Three, pilot pollution analytical procedure:
This step comprises the steps: again
(1), client (6) is given database storage module (1) by the parameters such as ID that man-machine interface sends order, beginning concluding time, radio network controller identifier RNC (2);
(2), data management module (1) is according to setting in advance the multistage thresholding of interference threshold, finds out corresponding geographical position information, sends to the geography information module of client (6); If there is no the P-CCPCH in geographical position table triggers step 3;
(3) data management module (1) obtains in the external memory raw data table, the ISCP of PCCPCH RSCP and TSO in all UE measurement reports; And find out the measurement report of nearest OTDOA, send to analytical calculation module (4);
(4) analytical calculation module (4) is by calculating the geographical position of this P-CCPCH correspondence that obtains the UE measurement;
(5) analytical calculation module (4) arrives data management module (1) with the P-CCPCH storage in geographical position.
(6), data management module (1) is according to setting in advance the multistage thresholding of interference threshold, finds out corresponding geographical position information, sends to the geography information module of client (6);
(7), the geography information module of client (6) on map with different colors, green＞0; 0＞blue＞-3;-3＞red, mark the interference figure of P-CCPCH;
Four, street corner effect analysis step:
This step comprises the steps: again
(1), client (6) is given database storage module (1) by the parameters such as ID that man-machine interface sends order, beginning concluding time, radio network controller identifier RNC (2);
(2), data management module (1) finds out corresponding geographical position information, sends to the geography information module of client (6); If there is no, trigger step 3;
(3), data management module (1) is by database query command, obtains the call drop time of call drop UE ID and UE ID from database, obtains the measurement report of these UE;
(4), data management module (1) is to the measurement report analysis of these UE, find P-CCPCH RSCP, the CCTrCH SIR UE of decline fast, criterion is: before call drop, RSCP, the CCTrCH SIR normal, that Node B measures of the P-CCPCH RSCP that UE measures, CCTrCH SIR are normal;
(5), the measurement report MR of the OTDOA of data management module (1) before with the call drop of UE, send to the geographical position computing module of client (6), obtain positional information, with location storage in database storage module (1);
(6), data management module (1) finds out corresponding geographical position information, sends to the geography information module of client (6);
(7), the geography information module of client (6) is indicated expression street corner effect on map with the position.
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| CN109495898B (en) * | 2017-09-12 | 2021-12-03 | 中国移动通信集团设计院有限公司 | Quantitative prediction method and device for indexes of wireless network coverage |
| WO2019218940A1 (en) * | 2018-05-17 | 2019-11-21 | 索尼公司 | User equipment in wireless communication system, electronic device, method and storage medium |
| US11513182B2 (en) | 2018-05-17 | 2022-11-29 | Sony Corporation | User equipment in wireless communication system, electronic device, method and storage medium |
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