CN103079221B - A kind of method utilizing sweep generator and testing mobile phone Conjoint Analysis situation of mobile network - Google Patents
A kind of method utilizing sweep generator and testing mobile phone Conjoint Analysis situation of mobile network Download PDFInfo
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- CN103079221B CN103079221B CN201210558199.0A CN201210558199A CN103079221B CN 103079221 B CN103079221 B CN 103079221B CN 201210558199 A CN201210558199 A CN 201210558199A CN 103079221 B CN103079221 B CN 103079221B
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Abstract
The invention discloses a kind of method utilizing sweep generator and testing mobile phone Conjoint Analysis situation of mobile network, the method comprises: 1) import sweep generator drive test data and testing mobile phone drive test data; 2) respectively preliminary treatment is carried out to sweep generator drive test data and mobile phone drive test data; 3) mobile network's scene is analyzed; 4) Conjoint Analysis is carried out to sweep generator drive test data and testing mobile phone drive test data, export the different system adjacent cell summary report of the whole network; 5) analysis result and Optimizing Suggestions is exported.The present invention is by processing the sweep generator drive test data imported and testing mobile phone drive test data and analyze, obtain scene analysis result and neighbor cell configuration suggestion, and by two item numbers according to carrying out association analysis, present analysis result at GIS simultaneously, addressing network problems and problem hidden danger, and provide Optimizing Suggestions targetedly, for mobile network optimization is offered help.
Description
Technical field
The present invention, about a kind of analytical method of situation of mobile network, refers to a kind of method utilizing sweep generator and testing mobile phone Conjoint Analysis situation of mobile network especially.
Background technology
Along with the development of mobile communications network, the scale of mobile network constantly increases, network also becomes increasingly complex, possible produced problem also gets more and more, as call drop, access failure, speech quality difference etc., directly affect client to the degree of recognition of mobile network and satisfaction, have a strong impact on client perception, therefore need constantly to analyze network condition and optimize.
In order to the experience that continues of the objective conditions and user that obtain mobile network's wireless environment, carrying out field test by sweep generator and testing mobile phone, is the main method of mobile network quality test.Sweep generator and testing mobile phone are all key instrument instrument of mobile network's drive test, the former is rf signal analysis instrument, support that the standard signal of each frequency range to TD-SCDMA and GSM network carries out demodulated methed, spectrum analysis, measure the index such as received signal strength indicator, received signal code power, Interference Signal Code Power, carrier/interface ratio, signal interference ratio in network, the wireless network environment of rediscover, the latter is a kind of testing tool of special testing, is mainly used in testing the downstream signal in mobile network.Drive test utilizes sweep generator or the instrument such as testing mobile phone and testing vehicle exactly, carry out according to particular course the test form that mobile network adopts data and speech quality, these information comprise the indexs such as cell information, wireless signal strength and quality, neighboring area signal intensity and quality.
The method of current understanding wireless network coverage condition is mainly by analyzing drive test data, and network optimization engineer's artificial treatment is mainly passed through in the analysis of drive test data.Also have the situation adopting automatic methods analyst drive test data reflection wireless network at present, but there is following problem in this technology:
1) can not analyze sweep generator drive test data and testing mobile phone drive test data simultaneously;
2) association analysis can not be carried out to sweep generator drive test data and testing mobile phone drive test data simultaneously;
3) traditional network condition analytical method, cannot combine based on the wireless experience of client perception and the wireless environment of real mobile network, analyses in depth Problems existing and problem hidden danger in network.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method that simultaneously can utilize sweep generator and testing mobile phone drive test data Conjoint Analysis situation of mobile network.
For achieving the above object, the invention provides a kind of method utilizing sweep generator and testing mobile phone Conjoint Analysis situation of mobile network, the method comprises:
1) sweep generator drive test data and testing mobile phone drive test data is imported;
2) respectively preliminary treatment is carried out to sweep generator drive test data and mobile phone drive test data;
3) mobile network's scene is analyzed;
4) Conjoint Analysis is carried out to sweep generator drive test data and testing mobile phone drive test data, export the different system adjacent cell summary report of the whole network;
5) analysis result and Optimizing Suggestions is exported.
In described step 1), the sweep generator LOG data of the compatible different manufacturers of energy, import Single document or import multiple drive test file simultaneously.
Described drive test data comprises Measuring Time, measurement point longitude and latitude, signal frequency point, field intensity.
Described preliminary treatment comprises following steps:
A) cell localization, orients corresponding cell number according to the signal CI in drive test data, frequency, signal scrambling code;
B) temporal clustering, the data clusters of the measurement point of Measuring Time identical in drive test data together;
C) data filtering, travels through drive test data respectively, is less than the data deletion that the signal of specifying continues thresholding certain cell signal duration;
D) curve, travels through drive test data respectively, by a community continuous signal and the duration data that are greater than assign thresholds carry out matching, then the data after matching is replaced original measurement data.
In described step 3), according to sweep generator Drive Test Data Analysis sweep generator scene, homologous ray adjacent area, different system adjacent cell, according to mobile phone Drive Test Data Analysis mobile phone drive test scene, different system adjacent cell.
Described step 4) specifically comprises:
A1) abnormal scene analysis, according to anomalous event, the problem scenes of mobile phone drive test, coupling sweep generator data depth is analyzed, orientation problem reason or the hidden danger that searches problem;
B1) Important Problems regional analysis, according to sweep generator drive test data and all kinds of problem scenes of testing mobile phone Drive Test Data Analysis, problem analysis overlap-add region, the key area of reflection existing problems and problem hidden danger;
C1) different system recommendations configuration report, the 2G being divided into 3G community corresponding advises adjacent area, referred to as T2G adjacent area, the 3G corresponding with 2G cell advises adjacent area, referred to as G2T adjacent area, for T2G adjacent area, in scene analysis, analyze according to the 3G Zhu Fu community of the measuring point that satisfies the need and can obtain 3G community drive test point fragment, then the 2G drive test point within the scope of distance threshold is searched, if the field intensity of 2G drive test point is greater than the field intensity thresholding of Operation system setting, then main Serving cell corresponding for this 2G drive test point is joined candidate and advise adjacent area queue, and then judge to select T2G adjacent area by adjacent area distance threshold, for G2T adjacent area, traversal reverse process is carried out in the T2G adjacent area upper step obtained, and according to the G2T distance threshold of Operation system setting, filters out the community being less than thresholding, just can obtain G2T adjacent area,
D1) different system comparison report, adjacent area obtained in the previous step suggestion report is compared with the different system adjacent cell of existing network, remove the adjacent area of coincidence, emphasis identifies in suggestion report to be had and the adjacent area that do not have in the different system adjacent cell of existing network, and result exports and is different system comparison report.
In described step 5), present scene and neighboring BS relationship with GIS, and EXCEL mode output report, instruct network optimization personnel to carry out the network optimization.
The method utilizing sweep generator and testing mobile phone Conjoint Analysis situation of mobile network of the present invention, by processing the sweep generator drive test data imported and testing mobile phone drive test data and analyze, comprise the preliminary treatment of two kinds of drive test datas, scene analysis and adjacent area are analyzed, obtain scene analysis result and neighbor cell configuration suggestion, and by two item numbers according to carrying out association analysis, present analysis result at GIS simultaneously, addressing network problems and problem hidden danger, and provide Optimizing Suggestions targetedly, for mobile network optimization is offered help.
Accompanying drawing explanation
Fig. 1 is the main flow schematic diagram that the present invention utilizes sweep generator and testing mobile phone Conjoint Analysis situation of mobile network method;
Fig. 2 be in the present invention sweep generator sampled point and testing mobile phone sampled point associate schematic diagram;
Fig. 3 is the abnormal conditions occurred in the communication process that in the present invention one case study on implementation, sweep generator and testing mobile phone reflect with car drive test data;
Fig. 4 in this case study on implementation in the present invention in conjunction with the immediate cause that associate reflected this problem of sweep generator with testing mobile phone.
Embodiment
For ease of having further understanding to method of the present invention and the effect that reaches, the existing preferred embodiment that develops simultaneously by reference to the accompanying drawings is described in detail as follows.
Fig. 1 is the main flow schematic diagram utilizing sweep generator and testing mobile phone drive test data Conjoint Analysis situation of mobile network, is described in detail as follows this schematic flow sheet:
1, sweep generator drive test data and testing mobile phone drive test data is imported, the sweep generator LOG data of the compatible different manufacturers of energy, can import Single document or import multiple drive test file simultaneously, drive test data comprises at least following information: Measuring Time, measurement point longitude and latitude, signal frequency point, field intensity etc.
2, carry out preliminary treatment to sweep generator drive test data and mobile phone drive test data respectively, preliminary treatment can comprise following steps:
1) cell localization, orients corresponding cell number according to the signal CI in drive test data, frequency, signal scrambling code;
2) temporal clustering, the data clusters of the measurement point of Measuring Time identical in drive test data together;
3) data filtering, travels through drive test data respectively, is less than the data deletion that the signal of specifying continues thresholding certain cell signal duration;
4) curve, travels through drive test data respectively, by a community continuous signal and the duration data that are greater than assign thresholds carry out matching, such as, adopts Suresh Kumar matching, and then the data after matching are replaced original measurement data.
3. analyze mobile network's scene, according to sweep generator Drive Test Data Analysis sweep generator scene, homologous ray adjacent area, different system adjacent cell, according to mobile phone Drive Test Data Analysis mobile phone drive test scene, different system adjacent cell.
4. the Conjoint Analysis of sweep generator drive test data and mobile phone drive test data, because sweep generator sample frequency is lower than the sample frequency of testing mobile phone, therefore the sampled point of sweep generator is rarer and large, the sampled point of testing mobile phone is more than the sampled point of sweep generator and thin, as shown in Figure 2.The sampled point of sweep generator and the sampled point of testing mobile phone are passed through spatial match, form sweep generator point to the mode of the multiple point of testing mobile phone, then the network problem that the network problem found by sweep generator and testing mobile phone find carries out Conjoint Analysis, find out the essence affecting network problem, export adjustment suggestion, make a concrete analysis of as follows:
1) abnormal scene analysis, according to anomalous event, the problem scenes of mobile phone drive test, coupling sweep generator data depth is analyzed, orientation problem reason or the hidden danger that searches problem;
2) Important Problems regional analysis, according to sweep generator drive test data and all kinds of problem scenes of testing mobile phone Drive Test Data Analysis, problem analysis overlap-add region, the key area of reflection existing problems and problem hidden danger;
3) different system recommendations configuration report, the 2G being divided into 3G community corresponding advise adjacent area (referred to as T2G adjacent area) and 2G cell corresponding 3G suggestion adjacent area (referred to as G2T adjacent area).For T2G adjacent area, in scene analysis, analyze according to the 3G Zhu Fu community of the measuring point that satisfies the need and can obtain 3G community drive test point fragment, then the 2G drive test point within the scope of distance threshold is searched, if the field intensity of 2G drive test point is greater than the field intensity thresholding of Operation system setting, then main Serving cell corresponding for this 2G drive test point is joined candidate and advise adjacent area queue, and then judge to select T2G adjacent area by adjacent area distance threshold.For G2T adjacent area, traversal reverse process is carried out in the T2G adjacent area upper step obtained, and according to the G2T distance threshold of Operation system setting, filters out the community being less than thresholding, just can obtain G2T adjacent area;
4) different system comparison report, adjacent area obtained in the previous step suggestion report is compared with the different system adjacent cell of existing network, remove the adjacent area of coincidence, emphasis identifies in suggestion report to be had and the adjacent area that do not have in the different system adjacent cell of existing network, and result exports and is different system comparison report.
5. export analysis result and Optimizing Suggestions, present scene and neighboring BS relationship with GIS, and EXCEL mode output report, instruct network optimization personnel to carry out the network optimization.
Illustrate one as follows:
Survey with bus or train route at a sweep generator of Luoyang, henan and testing mobile phone, be analyzed as follows:
Phenomenon describes: as shown in Figure 3, UE travels from south to north, and when in figure, dotted rectangle identifies in section, UE takies Bohai Sea Gulf T1(10096/45) community is risen and is exhaled, and the RSCP that UE receives reaches-78dbm.Along with UE continues northwards to travel, UE is to brocade Trade City T3(10112/37 far away) community recurs handoff failure, and the Pccpch C/I that now UE receives reaches-15dbm, finally causes call failure.By ancient cooking vessel profit to testing mobile phone data analysis, find that the Pccpch C/I that problem area UE in the drawings receives is lower, reach below-10dbm, by finding around without the interference of homogeneous-frequency adjacent-domain to the information inquiry of UE Serving cell/adjacent cell, therefore pass through cannot accurate location interference source to testing mobile phone data.
Case study: can be clearly seen that from sweep generator test data analysis, there are two co-frequency cells at problem area, there is the strong jamming (10096/45 and 10096/69) of two co-frequency cells in broken line representation region in the drawings, by software to the inquiry of co-frequency cell interference source automatically provide be due to road north T2 and Bohai Sea Gulf T1 co-channel interference (as overstriking line in Fig. 4).By the analysis to ambient stations position, find that the interference in this region forms the co-channel interference with Bohai Sea Gulf T1 because the signal strength signal intensity of north, road T2 crosses brocade Trade City far away website
This citing shows, when finding that there is the anomalous event such as call drop, access failure in testing mobile phone drive test process, the sweep generator data analyzed with section find, this section also exists obvious co-channel interference phenomenon, and this co-channel interference is the immediate cause of call drop and access failure, by adjusting inclination angle and the transmitting power of antenna, after getting rid of this co-channel interference scene, repetition measurement call drop and access failure problem disappear.
Illustrate two as follows:
Carried out a sweep generator in Wuhan City Zone and testing mobile phone is surveyed with bus or train route, the main information extracting sweep generator drive test is as follows:
In superincumbent data, TIMESTAMP represents the time of collection, and BCCH represents frequency, and BSIC represents scrambler, and RXLEVEL represents field intensity, and C/I represents the carrier/interface ratio of signal, and GPS INFO represents longitude and latitude.
GSM cell information is as follows:
Community CI LAC BCCH BSIC Longitude Latitude
12012 28968 552 54 30.5734 114.268
19001 28929 76 37 30.4172 114.31
15351 28928 85 47 30.4933 114.383
15671 28965 90 43 30.5282 114.401
12161 28968 88 62 30.6486 114.324
15661 28928 79 64 30.5434 114.335
After carrying out cell localization and time point cluster to above 2G sweep generator drive test data, the 2G cell relation that the sweep generator drive test data information of acquisition is corresponding is as follows:
The main information of the 3G sweep generator drive test extracted is as follows:
In superincumbent data, pccpch C/I represents PCCPCH(broadcast channel) the C/I(carrier/interface ratio of signal), pccpchRSCP represents PCCPCH(broadcast channel) and the RSCP(Received signal strength code channel power of signal), GPS information represents longitude and latitude.
Cell information is as follows:
CELL_ID UARFCN CPI Longitude Latitude
2079 10104 86 114.28 30.6162
47497 10120 123 114.202 30.5764
32717 10120 123 114.217 30.5742
47977 10120 123 114.272 30.5951
2019 10120 70 114.268 30.5736
In superincumbent data, the implication of each row is as follows: CELL_ID: cell number (for unique identification community), UARFCN: frequency, CPI: scrambler, Longitude: longitude, Latitude: latitude.
After carrying out cell localization to above sweep generator drive test data, the sweep generator drive test data information respective cell relation of acquisition is as follows:
Scene analysis is carried out to above-mentioned data, obtains the fragment of 3G sweep generator drive test point, as follows:
CELL_ID is the fragment 1 of 2079:
CELL_ID is the fragment 2 of 47977:
20100808_132356_942 47977 -5.500 -81.300 N:30.51909667,E:114.3867308
20100808_132401_632 47977 -3.500 -79.400 N:30.51910900,E:114.3867250
20100808_132407_082 47977 -4.000 -74.800 N:30.51910867,E:114.3867168
20100808_132408_444 47977 0.000 -77.000 N:30.51910533,E:114.3867093
20100808_132413_930 47977 -1.200 -80.100 N:30.51911417,E:114.3867037
CELL_ID is the fragment 3 of 2019:
20100808_132359_613 2019 3.200 -79.900 N:30.51910200,E:114.3867283
20100808_132404_402 2019 4.900 -74.700 N:30.51910917,E:114.3867207
20100808_132409_819 2019 7.700 -75.000 N:30.51910617,E:114.3867043
The distance threshold that supposing the system is arranged is 1000m, and field intensity thresholding is respectively--90dB, and according to these 3 fragments, carry out traversal respectively compare 2G sweep generator drive test point, field intensity value is greater than-90 and distance is as follows in threshold range 2G sweep generator drive test point data:
CELL_ID is the 2G drive test point corresponding to 3G community of 2079:
TIMESTAMP BCCH BSIC RXLEVEL C/I community CI LAC
20100808_132352_781 552 54 -60.481 14.892 12012 28968
20100808_132357_921 552 54 -60.028 13.850 12012 28968
20100808_132358_953 552 54 -62.947 15.168 12012 28968
20100808_132401_109 552 54 -59.268 15.140 12012 28968
20100808_132403_062 552 54 -60.428 16.256 12012 28968
20100808_132352_781 76 37 -69.601 12.709 19001 28929
20100808_132357_921 76 37 -70.422 15.071 19001 28929
20100808_132358_953 76 37 -71.762 13.548 19001 28929
20100808_132401_109 76 37 -74.938 13.519 19001 28929
20100808_132403_062 76 37 -75.172 13.859 19001 28929
20100808_132406_156 76 37 -79.436 15.986 19001 28929
20100808_132409_234 76 37 -72.757 12.525 19001 28929
20100808_132411_281 76 37 -74.957 16.335 19001 28929
CELL_ID is the 2G drive test point corresponding to 3G community of 47977:
TIMESTAMP BCCH BSIC RXLEVEL C/I community CI LAC
20100808_132352_781 76 37 -69.601 12.709 19001 28929
20100808_132357_921 76 37 -70.422 15.071 19001 28929
20100808_132358_953 76 37 -71.762 13.548 19001 28929
20100808_132401_109 76 37 -74.938 13.519 19001 28929
20100808_132403_062 76 37 -75.172 13.859 19001 28929
20100808_132406_156 76 37 -79.436 15.986 19001 28929
20100808_132409_234 76 37 -72.757 12.525 19001 28929
20100808_132411_281 76 37 -74.957 16.335 19001 28929
20100808_132358_953 85 47 -85.867 16.514 15351 28928
20100808_132406_156 85 47 -87.159 15.109 15351 28928
CELL_ID is the 2G drive test point corresponding to 3G community of 2019:
TIMESTAMP BCCH BSIC RXLEVEL C/I community CI LAC
20100808_132358_953 85 47 -85.867 16.514 15351 28928
20100808_132406_156 85 47 -87.159 15.109 15351 28928
20100808_132406_156 88 62 -86.871 14.550 12161 28968
20100808_132409_234 88 62 -89.278 14.243 12161 28968
20100808_132411_281 88 62 -88.223 15.922 12161 28968
By above-mentioned data can obtain CELL_ID be the 3G community of 2079 2G advise adjacent area be CI 12012(LAC 28968) and CI 19001(LAC 28929), CELL_ID is that the 2G of the 3G community of 47977 advises that adjacent area is CI 19001(LAC 28929) and CI 15351(LAC 28928), CELL_ID is that the 2G of the 3G community of 2019 advises that adjacent area is CI 15351(LAC 28928) and CI 12161(LAC 28968).
In like manner, obtain different system adjacent cell according to mobile phone drive test data, the suggestion of comprehensive frequency sweep different system adjacent cell and the different system adjacent cell suggestion of mobile phone drive test, export the different system adjacent cell summary report of the whole network.
A kind of method utilizing sweep generator and testing mobile phone drive test data Conjoint Analysis situation of mobile network that the present invention proposes, Conjoint Analysis can be carried out to sweep generator drive test data and mobile phone drive test data, the abnormity point in client perception is analyzed on the one hand from the drive test data of testing mobile phone, real wireless network environment is analyzed in conjunction with in sweep generator drive test data, carry out the depth analysis of problem and problem hidden danger and accurately locate, on the other hand, utilize two class data analysis, analyze abnormal problem point hotspots, the problem that gives top priority to what is the most important and key area, deeply excavate hidden network danger, export more accurate Optimizing Suggestions.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (5)
1. utilize a method for sweep generator and testing mobile phone Conjoint Analysis situation of mobile network, it is characterized in that, the method comprises:
1) sweep generator drive test data and testing mobile phone drive test data is imported;
2) respectively preliminary treatment is carried out to sweep generator drive test data and mobile phone drive test data;
3) mobile network's scene is analyzed;
4) Conjoint Analysis is carried out to sweep generator drive test data and testing mobile phone drive test data, export the different system adjacent cell summary report of the whole network;
5) analysis result and Optimizing Suggestions is exported;
In described step 3), according to sweep generator Drive Test Data Analysis sweep generator scene, homologous ray adjacent area, different system adjacent cell, according to mobile phone Drive Test Data Analysis mobile phone drive test scene, different system adjacent cell;
Described step 4) specifically comprises:
A1) abnormal scene analysis, according to anomalous event, the problem scenes of mobile phone drive test, coupling sweep generator data depth is analyzed, orientation problem reason or the hidden danger that searches problem;
B1) Important Problems regional analysis, according to sweep generator drive test data and all kinds of problem scenes of testing mobile phone Drive Test Data Analysis, problem analysis overlap-add region, the key area of reflection existing problems and problem hidden danger;
C1) different system recommendations configuration report, the 2G being divided into 3G community corresponding advises adjacent area, referred to as T2G adjacent area, the 3G corresponding with 2G cell advises adjacent area, referred to as G2T adjacent area, for T2G adjacent area, in scene analysis, analyze according to the 3G Zhu Fu community of the measuring point that satisfies the need and can obtain 3G community drive test point fragment, then the 2G drive test point within the scope of distance threshold is searched, if the field intensity of 2G drive test point is greater than the field intensity thresholding of Operation system setting, then main Serving cell corresponding for this 2G drive test point is joined candidate and advise adjacent area queue, and then judge to select T2G adjacent area by adjacent area distance threshold, for G2T adjacent area, traversal reverse process is carried out in the T2G adjacent area upper step obtained, and according to the G2T distance threshold of Operation system setting, filters out the community being less than thresholding, just can obtain G2T adjacent area,
D1) different system comparison report, adjacent area obtained in the previous step suggestion report is compared with the different system adjacent cell of existing network, remove the adjacent area of coincidence, emphasis identifies in suggestion report to be had and the adjacent area that do not have in the different system adjacent cell of existing network, and result exports and is different system comparison report.
2. utilize the method for sweep generator and testing mobile phone Conjoint Analysis situation of mobile network as claimed in claim 1, it is characterized in that, in described step 1), the sweep generator LOG data of the compatible different manufacturers of energy, import Single document or import multiple drive test file simultaneously.
3. utilize the method for sweep generator and testing mobile phone Conjoint Analysis situation of mobile network as claimed in claim 1, it is characterized in that, described drive test data comprises Measuring Time, measurement point longitude and latitude, signal frequency point, field intensity.
4. utilize the method for sweep generator and testing mobile phone Conjoint Analysis situation of mobile network as claimed in claim 1, it is characterized in that, described preliminary treatment comprises following steps:
A) cell localization, orients corresponding cell number according to the signal CI in drive test data, frequency, signal scrambling code;
B) temporal clustering, the data clusters of the measurement point of Measuring Time identical in drive test data together;
C) data filtering, travels through drive test data respectively, is less than the data deletion that the signal of specifying continues thresholding certain cell signal duration;
D) curve, travels through drive test data respectively, by a community continuous signal and the duration data that are greater than assign thresholds carry out matching, then the data after matching is replaced original measurement data.
5. utilize the method for sweep generator and testing mobile phone Conjoint Analysis situation of mobile network as claimed in claim 1, it is characterized in that, in described step 5), present scene and neighboring BS relationship with GIS, and EXCEL mode output report, instruct network optimization personnel to carry out the network optimization.
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| CN104394546A (en) * | 2014-10-31 | 2015-03-04 | 上海邮电设计咨询研究院有限公司 | Drive test data processing method for long term evolution (LTE) network post evaluation |
| CN107241749A (en) * | 2016-03-28 | 2017-10-10 | 中国移动通信有限公司研究院 | A kind of network optimized approach and device |
| CN107580296B (en) * | 2017-08-31 | 2020-04-28 | 北京尼克耐特计算机科技有限责任公司 | Method for carrying out LTE frequency sweep and parameter extraction by using mobile phone |
| CN112533226A (en) * | 2019-09-17 | 2021-03-19 | 中移(成都)信息通信科技有限公司 | Test information acquisition method, device and system and computer storage medium |
| CN113068200B (en) * | 2020-01-02 | 2022-11-04 | 中国移动通信集团设计院有限公司 | Method and device for detecting 5G network fault |
| CN113950092B (en) * | 2020-06-30 | 2022-06-17 | 荣耀终端有限公司 | Data acquisition method and system |
| CN114095854B (en) * | 2020-07-30 | 2023-08-04 | 中国移动通信集团广东有限公司 | Indoor network interference source positioning method based on MDT data and electronic equipment |
| CN111935631A (en) * | 2020-08-10 | 2020-11-13 | 上海应用技术大学 | Network quality testing system and method for rail transit vehicle-mounted wireless system |
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| CN101296470A (en) * | 2008-06-23 | 2008-10-29 | 北京民享科技有限责任公司 | Wireless network overlapping road detecting software supporting TD-SCDMA |
| CN101998411A (en) * | 2010-12-10 | 2011-03-30 | 上海百林通信软件有限公司 | Sweep frequency and propagation model coverage prediction-based frequency optimization method |
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| CN101296470A (en) * | 2008-06-23 | 2008-10-29 | 北京民享科技有限责任公司 | Wireless network overlapping road detecting software supporting TD-SCDMA |
| CN101998411A (en) * | 2010-12-10 | 2011-03-30 | 上海百林通信软件有限公司 | Sweep frequency and propagation model coverage prediction-based frequency optimization method |
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