CN103188722A - Stratification testing method and device for time division long term evolution (TD-LTE) system road testing - Google Patents
Stratification testing method and device for time division long term evolution (TD-LTE) system road testing Download PDFInfo
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Abstract
The invention relates to a stratification testing method and a device for time division long term evolution (TD-LTE) system road testing. The stratification method comprises the following steps: conducting network optimization from the perspective of user perceptibility; installing testing terminals on public transport means; controlling the testing terminals by analysis control equipment to test; grading user perception marks and evaluating the user perception marks; obtaining the user perception marks; generating a testing report; submitting the testing report to the analysis control equipment; screening out the testing report which is lower than the user perception mark threshold by the analysis control equipment; positioning the key quality indicators which cause a low user perceptibility according to the testing report and the mapping relation between the user perception evaluating indicators and the key quality indicators; and further positioning key performance indicators which cause the low user perceptibility. The stratification testing device comprises the analysis control equipment and the testing terminal which is composed of a receiving unit, a service testing unit, an evaluating unit and a reported unit. Compared with the prior art, the stratification testing method and the device for the TD-LTE system road measurement have the advantages of reducing the number of testing staff participating with the road testing work, being time-saving and effort-saving, and improving the efficiency and the accuracy of road testing.
Description
Technical field
The present invention relates to wireless communication technology field, especially relate to a kind of zonal testing method and device for TD-LTE system drive test.
Background technology
Increase along with the mobile subscriber, the continuous expansion of network size, the continuous variation of wireless communications environment, the continuous variation that the mobile subscriber distributes, significantly reduction and the mobile subscriber of portable terminal and rate are more and more higher to the requirement of mobile network's quality, add that competition is more and more fierce between each tame telecommunications operator, mobile network's planning and the network optimization have become the task of top priority that each tame telecommunications operator seeks survival, tries for the development in keen competition.An excellent communications network is the basis of satisfying the communication of user's high-quality, and telecom operators obtain the guarantee of good economic benefit and social benefit especially.The quality of mobile communication network quality need be judged by a large amount of drive test work usually.
At present, 3G (3rd Generation, 3-G (Generation Three mobile communication system)) network is commercial and universal rapidly at home, and at 4G (4th Generation, the 4th third-generation mobile communication system) standard aspect, schedule has also been put in the commercialization that has the TD-LTE standard of China's independent intellectual property right, therefore is that a kind of planning efficiently of deployment searching and the optimization method of TD-LTE network is to be subjected to a large amount of problems of paying close attention to gradually.
Traditional network optimization technology is gathered network data such as level, quality and is analyzed these data by drive test (Drive Test), thereby finds network problem and do the network optimization at problem area that network optimization personnel are had very high experience requirement.
But existing drive test result mostly is the bottom-layer network parameter greatly, and such drive test result can not provide the terminal use to the actual impression of wireless network.Good network can not give the experience of user's excellent perception sometimes when causing drive test.And existing drive test adopts the work of artificial participation drive test to account for larger specific gravity, labor intensive, material resources.
Summary of the invention
Purpose of the present invention be exactly provide a kind of in order to overcome the defective that above-mentioned prior art exists and save time, laborsaving and the zonal testing method and the device that are used for TD-LTE system drive test with high accuracy.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of zonal testing method for TD-LTE system drive test may further comprise the steps:
1) analysis and Control equipment sends control command to the test terminal;
2) test terminal receives control command, starts test assignment, and the network quality of TD-LTE system communication business is tested;
3) test terminal is according to the network quality information calculations user perception mark that records, and generates the initial testing report;
4) transmission initial testing in test terminal is reported to analysis and Control equipment;
5) analysis and Control equipment compares user's perception mark and preset threshold value mark in the initial testing report, obtains the initial testing report that user's perception mark is lower than threshold score;
6) according to the mapping relations between user's perception mark and the Key Quality Indicator, the Key Quality Indicator that search causes perception mark in family to reduce, and with the Key Quality Indicator interpolation initial testing report that searches, test report in the middle of obtaining;
7) the corresponding Key Performance Indicator of Key Quality Indicator that obtains according to the mapping relations between Key Quality Indicator and the Key Performance Indicator, search step 6), and test report in the middle of adding the Key Performance Indicator that searches into obtain the final test report.
The content of described initial testing report comprises testing time, drive test point GPS information, professional label, drive test point cell id and user's perception mark.
A kind of this device comprises analysis and Control equipment and a plurality of test terminal, it is characterized in that for the zonal testing device of implementing said method, and this test terminal comprises:
Receiving element is used for receiving the control command from control appliance;
The operational trials unit, the control command that is used for receiving according to receiving element starts the test assignment of TD-LTE system communication business, carries out the network quality test;
Assessment unit is used for according to network quality information calculations user perception mark, and generates the initial testing report;
Report the unit, the initial testing report that is used for assessment unit is generated is sent to control appliance analysis.
The quantity of described test terminal is directly proportional with the density of population of coverage, TD-LTE system use amount.
Compared with prior art, the present invention is from user's perception angle of TD-LTE grid quality, filter out Key Performance Indicator from top to bottom, human and material resources have greatly been saved, effectively balance the relation between user's perception and the real network parameter, make that the measurement result of drive test is more accurate.
Description of drawings
Fig. 1 carries out the flow chart of drive test to the TD-LTE system for embodiments of the invention;
Fig. 2 is the structural representation of device of the present invention;
The deposition step flow chart of measuring terminals when Fig. 3 is of the present invention for using;
Fig. 4 reports the communication flow diagram of test report to analysis and Control equipment for test terminal in the device of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment
When using method of the present invention the TD-LTE system to be carried out drive test on the spot, its flow process comprises as shown in Figure 1:
Step S1: the public transport in the coverage is arranged the test terminal, its concrete steps as shown in Figure 2, the tester at first determines the test route of drive test, the test terminal of some is installed on the public transport of route after tested in transit then, its quantity is directly proportional with the densely populated degree of coverage and the use amount of TD-LTE system, and its running route is based on Ordinary Rd.
Step S2: the test terminal receives control command, starts test assignment, and the network quality of TD-LTE system communication business is tested.Mainly comprising by the typical services in the four class business (session service, interactive service, stream business, background business) of 3GPP normalized definition of communication traffic, as: the voice service that belongs to conversation class; Belong to streaming media service such as the professional screen stream of stream, audio stream; The WEB that belongs to interactive class browses, download, instant message class; Belong to background business note, multi-media SMS (MMS), receive some files and database and download.
Step S3: the test terminal is according to the network quality information calculations user perception mark that records, this user's perception mark adopts a plurality of of 7 dimensions that TMF GB917 divides or considers that all the user assesses, but can access property, instantaneity retentivity, integrality, quality of the conversation, content quality and ease for use, concrete computing formula can adopt the MOS model of 3GPP with reference to user's perception assessment models algorithm of each normal structure announcement as voice service.After obtaining user's perception mark, generate the initial testing report, the information that this initial testing report comprises is as shown in the table.
| Drive test information | Explanation |
| TIME | Testing time |
| SER_N | Professional label |
| LON | The longitude of drive test point |
| LAT | The dimension of drive test point |
| Cl_j | Drive test point cell id |
| QoE | User's perception mark |
Step S4: the test terminal is submitted the initial testing report to analysis and Control equipment, its communication process as shown in Figure 4, at first the test terminal sends report to analysis and Control equipment and submits request to, the analysis and Control device responds should request send agreement information then, and the test terminal is submitted the initial testing report to analysis and Control equipment after receiving agreement information.
Step S5: analysis and Control equipment compares user's perception mark and the pre-set threshold mark in the initial testing report, filters out the initial testing report of low perception mark.
Step S6: in the initial testing report that filters out, mapping relations according to user's perception mark and Key Quality Indicator (KQI), find out the Key Quality Indicator that may cause low perception mark, and test report in the middle of generating, Key Quality Indicator is added.
Step S7: the low Key Quality Indicator of analysis and Control equipment locking, according to the index mapping relations, search the Key Performance Indicator (KPI) that causes the low quality index, and Key Performance Indicator is added in the middle test report, generate Final Report.
Step S8: the tester is according to the drive test and being optimized on the spot of the Key Performance Indicator in the Final Report, and different business features, the scope of the Key Performance Indicator that system can bear are also different, as shown in the table:
For example at the speech business of hanging down user's perception, when carrying out actual measurement, need to consider to comprise BER, FER, switching frequency, switching state, coded system, insert many wireless parameters such as success rate, wireless interface passband, number of dropped calls, telephone traffic, traffic conservation degree at random.
Above-mentionedly comprise analysis and Control equipment 2 and a plurality of test terminal 1 by adopting device as shown in Figure 3 to implement, wherein test terminal 1 comprises:
Receiving element 11 is used for receiving the control command from control appliance 2;
Solved in the TD-LTE system zonal testing problem of drive test from top to bottom effectively by the present invention, adopted semi-automatic method, reduced the tester and participated in drive test work, time saving and energy saving, improve efficient and the accuracy of drive test.
Claims (3)
1. a zonal testing method that is used for TD-LTE system drive test is characterized in that, may further comprise the steps:
1) analysis and Control equipment sends control command to the test terminal;
2) test terminal receives control command, starts test assignment, and the network quality of TD-LTE system communication business is tested;
3) test terminal is according to the network quality information calculations user perception mark that records, and generates the initial testing report;
4) transmission initial testing in test terminal is reported to analysis and Control equipment;
5) analysis and Control equipment compares user's perception mark and preset threshold value mark in the initial testing report, obtains the initial testing report that user's perception mark is lower than threshold score;
6) according to the mapping relations between user's perception mark and the Key Quality Indicator, search causes the Key Quality Indicator of family perception mark reduction, and the Key Quality Indicator that searches is added into initial testing report, test report in the middle of obtaining;
7) the corresponding Key Performance Indicator of Key Quality Indicator that obtains according to the mapping relations between Key Quality Indicator and the Key Performance Indicator, search step 6), and test report in the middle of adding the Key Performance Indicator that searches into obtain the final test report.
2. a kind of zonal testing method for TD-LTE system drive test according to claim 1, it is characterized in that the content of described initial testing report comprises testing time, drive test point GPS information, professional label, drive test point cell id and user's perception mark.
3. implement the zonal testing device of method according to claim 1 for one kind, this device comprises analysis and Control equipment and a plurality of test terminal, it is characterized in that, this test terminal comprises:
Receiving element is used for receiving the control command from control appliance;
The operational trials unit, the control command that is used for receiving according to receiving element starts the test assignment of TD-LTE system communication business, carries out the network quality test;
Assessment unit is used for according to network quality information calculations user perception mark, and generates the initial testing report;
Report the unit, the initial testing report that is used for assessment unit is generated is sent to control appliance analysis.
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Cited By (5)
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| CN106941690A (en) * | 2016-01-04 | 2017-07-11 | 中国移动通信集团公司 | A kind of quality of data determines method and apparatus |
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| CN109526004A (en) * | 2018-07-27 | 2019-03-26 | 大唐联仪科技有限公司 | A kind of narrowband Internet of Things sequential test method and device |
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