CN101217770A - An automatic evaluating and analyzing device and method for mobile communication network quality - Google Patents

Abstract

The invention belongs to the field of mobile communication, which provides a wireless base station network quality monitoring and automatic evaluation analysis device and a realization method which are used for different application scenarios of the mobile communication network. The invention can simulate the behaviours of subscribers by a wireless preamble which can be controlled in real-time, automatically measures and stores plenty of wireless testing data, and uniformly updates all data to a background control center which achieves automatic and concentrative analysis and pre-alarm of the index defects to the data. The invention realizes continuous monitoring to the wireless network with large range, effectively achieves objective evaluation to the network operation quality, greatly reduces the daily measurement cost of the network, effectively evaluates the project construction at the same time, and objectively reflects the improvement of the network quality after the project is newly built. The system also provides the monitoring analysis and pre-alarm function of the network operation quality and various analysis reports can be output to the maintenance optimization personnel according to the requirement of the user.

Description

The automatic analysis and assessment device and method of a kind of mobile communication network quality

Technical field

The invention belongs to moving communicating field, the automatic analysis and assessment technology of particularly a kind of mobile base station communication network quality.

Background technology

Along with networking reaches its maturity perfectly, after the basic covering of network and capacity problem progressively solved, the center of gravity of the network optimization was progressively shifted to and is improved network quality, and this just must have a monitoring and evaluation accurately to the actual performance of the network operation.Present traditional network element performance monitoring system is comparatively simple, fixing because the complexity of wireless environment, a certain network element normally can not react the impression of user truly to network quality.Lack the assessment that the speech quality that speech quality especially is perceived as standard with the user is carried out the magnanimity test and science is provided in traditional in addition road measuring device, and the test data information amount that the artificial fixed test method of tradition obtains is limited, test data randomness is bigger simultaneously, contingency is stronger relatively, each test point needs a professional test engineer at least in addition, personnel's working strength is big, personnel's inefficiency.

In order to solve the above-mentioned variety of problems of mentioning, strengthen the ability of monitoring, maintenance line, the needs that adapt to the development of network quality evaluating system, the task of top priority is a kind of small area network measuring, assessment and the warning system that can finish wireline inspection, environmental data collection, line quality assessment in real time, automatically of exploitation, this system should be able to finish network monitoring, the quality evaluation in the public's facility of hotel, hotel, airport, residential block or the like, and the magnanimity test data is collected and low-cost a large amount of equipments that can guarantee it.

Summary of the invention

The problem to be solved in the present invention is: the wireless front end modelling customer behavior that realization can be controlled in real time, automatically measure and store a large amount of wireless test data, and all uniform datas are uploaded to backstage control centre, by backstage control centre data are carried out automatic centralized Analysis and the index defective is carried out early warning, thereby realize large-scale continuous monitoring, significantly reduce the daily measurement cost of network wireless network.

In order to address the above problem, the invention provides a kind of wireless base station network quality monitoring and automatic analysis and assessment device and implementation method that is applied under the mobile communications network different application scene, main application scenarios comprises: realize the network performance evaluation to VIP base station and VIP client's date of execution perseverance, realization is to the network performance evaluation of key area (airport) date of execution perseverance, the network quality environment that realization is implemented emphasis to the customer complaint close quarters is assessed automatically, be implemented in the specific region, at special network element equipment (indoor distributed system/repeater), the automatic monitoring of enforcement network element performance and realization are to newly-built, evaluation work automation after the dilatation base station planning validity.

The automatic analysis and assessment device of mobile communication network quality, it is characterized in that: this device comprises automatic test front end MTU module, the background processing module and the automatic evaluation system background application console module of test front end, described automatic test front end MTU module is used for the magnanimity of quality of wireless network data under the various scenes collects, and realizes different application scenarioss by the different threshold values of MTU are provided with task; The background processing module of described test front end comprises access server, database/application server and voice MOS evaluating server, mainly finishes access-in management, data acquisition and the automatic speech assessment of respectively testing front end, generates corresponding M OS value automatically; Described automatic evaluation system background application console module, comprise interface server and database/WEB server, interface server is used for and tests the access of background processing module, automatic tracking system, network optimization support platform of front end etc., database/WEB server is used for the mass data of test front-end collection is carried out aftertreatment and analysis, and exporting the form of various personalizations by customer requirements, the user can be in the setting of the customization of carrying out test assignment under the various application scenarioss on the platform, test front-end control and various early-warning parameterses.

The automatic analysis and assessment method of mobile communication network quality, it is characterized in that: this method realizes according to the following steps:

Step 1, client submit test assignment to, and the client submits a kind of in following five types of test assignments to: assessment test in back in before the engineering construction, important scenes test assignment, VIP client's test assignment, special network element test, complain the compact district to test;

Step 2, the test assignment that the client is submitted to are handed down to the background processing module that the test terminal server is promptly tested front end;

The test assignment that step 3, test terminal server are submitted the client to is converted to the test terminal instruction of standard, issue various test assignments and promptly test front end MTU module automatically to the test terminal, these test assignments comprise: call completing rate test, handover success rate test, cutting off rate test, speech quality analysis and assessment, GPRS test analysis, sweep check analysis, SMS test analysis, TA test analysis, coverage condition test analysis;

Step 4, be unit, test data is analyzed with the test event;

Step 5, for engineering construction assessment test, contrast three test event data, draw engineering construction simultaneously and assess profit message favourable, for common routine test, then generate the early warning of being correlated with according to the early warning value that the user is provided with;

After step 6, the corresponding early warning of generation, system perhaps notifies the relevant treatment personnel early warning information by mail or by note or by automatic tracking system according to user's setting.

By the present invention, can effectively strengthen network running quality is carried out objective evaluation, the true operation conditions of network quality is experienced, assessed to angle with the user, simultaneously engineering construction assessed effectively, objectively responds behind the new construction network quality and improve situation.System also provides the monitoring analysis and the warning function of network running quality simultaneously, can export various analytical statements according to customer demand and offer the maintenance optimization personnel.The major advantage of native system is as follows:

1, monitoring network service quality in real-time objective ground is come the monitoring network service quality from user perspective, makes network quality more press close to client perception, keeps the network quality leading position;

2, make up customer-oriented active network monitoring service, find network problem or fault in the very first time, change to active network optimization pattern from the passive-type network optimization, in real time, active is found and is dealt with problems, before pinpointing the problems, the user deals with problems, avoid customer complaint, increase customer satisfaction degree;

3, according to user optimization, safeguard actual demand, various test assignments are set flexibly, be applicable to network quality monitoring and analysis and evaluation under the various different scenes, carrying out targetedly that graduation is safeguarded and the optimization and the service guarantees of key area;

4, can after in before the engineering construction, assess, increase investment returns, adapt to network optimization work under the new situation and solve extension to planning construction and maintenance, plan from the site, run through engineering opening, stable operation test three phases, form complete base station quality evaluation data, reduce the difficulty that the later stage network optimization is adjusted;

5, powerful network frequency sweep function and the automatic evaluation function of voice, can carry out wireless environment frequency sweep function to the monitoring point according to user's request, in time find the various interference sources that network may exist, the automatic evaluation function of support voice objectively responds real call voice quality;

6, promote the requirement of innovation ability, improve the network support level.Have powerful network running quality monitoring and warning function, can various early warning threshold values be set flexibly according to user's actual needs, the timely early warning of network running quality.

Description of drawings

Fig. 1 is apparatus of the present invention structure chart;

Fig. 2 is the inventive method flow chart;

Fig. 3 is the embodiment of the invention one hardware structure diagram;

Fig. 4 is the embodiment of the invention one system construction drawing;

Fig. 5 is the embodiment of the invention one a functional hierarchy structure chart.

Embodiment

Below by accompanying drawing, technical scheme of the present invention is described in further detail.

Fig. 1 is apparatus of the present invention structure chart, the present invention includes automatic test front end MTU module, the magnanimity that is used for quality of wireless network data under the various scenes is collected, by being provided with task, the different threshold values of MTU realize different application scenarioss, the background processing module of test front end, comprise access server, database/application server and voice MOS evaluating server, mainly finish access-in management, data acquisition and the automatic speech assessment of respectively testing front end, generate corresponding M OS value automatically.Automatic evaluation system background application console module, this part comprises interface server and database/WEB server, interface server is used for and tests the access of front end backstage, automatic tracking system, network optimization support platform etc., database/WEB server is used for the mass data of test front-end collection is carried out aftertreatment and analysis, and exporting the form of various personalizations by customer requirements, the user can be in the setting of the customization of carrying out test assignment under the various application scenarioss on the platform, test front-end control and various early-warning parameterses.

As shown in Figure 2, for the inventive method flow chart, comprise the steps:

Step 1, client submit test assignment to, and the client submits a kind of in following five types of test assignments to: assessment test in back in before the engineering construction, important scenes test assignment, VIP client's test assignment, special network element test, complain the compact district to test;

Step 2, the test assignment that the client is submitted to are handed down to the background processing module that the test terminal server is promptly tested front end;

The test assignment that step 3, test terminal server are submitted the client to is converted to the test terminal instruction of standard, issue various test assignments and promptly test front end MTU module automatically to the test terminal, these test assignments comprise: call completing rate test, handover success rate test, cutting off rate test, speech quality analysis and assessment, GPRS test analysis, sweep check analysis, SMS test analysis, TA test analysis, coverage condition test analysis;

Step 4, be unit, test data is analyzed with the test event;

Step 5, for engineering construction assessment test, contrast three test event data, draw engineering construction simultaneously and assess profit message favourable, for common routine test, then generate the early warning of being correlated with according to the early warning value that the user is provided with;

After step 6, the corresponding early warning of generation, system perhaps notifies the relevant treatment personnel early warning information by mail or by note or by automatic tracking system according to user's setting.

As shown in Figure 3, for the embodiment of the invention one hardware structure diagram, test data is reported on the testing server through note by the MTU test terminal in the present embodiment, application server and database server all adopt enterprise-level server.In implementation process, need to consider to avoid Single Point of Faliure, can also serve extending transversely in case of necessity.In order to realize high availability, form cluster between the two-server, realize being equipped with mutually, when a station server broke down, application or database automatically switched on the other station server.

As shown in Figure 4, be the embodiment of the invention one system construction drawing, the basic thought of service-oriented analysis of adopting in the present embodiment and design (SOAD) is as main layout strategy, adopt service-oriented flow and method top down analysis operation flow to call the division of service on the one hand, adopt the bottom-up definite component assembly of object-oriented method that the level of service is provided on the other hand, finally determine the whole system framework by the dual mode combination.

The present invention can be mapped as flow services, information service, interactive service, application service etc. according to the design concept of service-centric.Adopt the automatic extractive technique of information object modeling technique, especially information model, need during SOA is used to exchange, transmit, change, merge, the information of processing such as decomposition is abstract comes out to form information model.On the basis of information pattern, adopt XML Casting technology, realized that information model is to information object and realize the automatic conversion of carrier, the centralized management and the run mode support of information object, simplified greatly information processing work, reduced the coupling of business information and business processing logic simultaneously, fundamentally avoid the modification and the debugging of the former application program that the change owing to swap data brings, be convenient to the flexible change of operation flow.

As shown in Figure 5, be the embodiment of the invention one functional hierarchy structure chart, system is divided into test front end management, test event management, test event analysis, real time data monitoring, scrnario testing early warning, test data statistics, engineering construction efficiency assessment, eight modules of interface function, and concrete function is as shown in the table:

Function		Retouch and tell
			The test front tube	The MTU location	The user can scheme on the basis at GIS, selects, locatees MTU, for subsequent operation
The calibration of MTU geographical position	The user selects certain MTU, and system navigates to the nearest GIS point of location information of MTU place automatically, and relevant building and road information near showing, if when the user thinks that present GIS positional information is incorrect, can issue the Gis position

Reason		Information request is returned relevant up-to-date GIS positional information simultaneously to MTU, if MTU does not have return information, then allows the user position of calibration MTU on map by hand
			MTU information GIS represents	Show that on the GIS map MTU location drawing is marked with and MTU relevant information diagram
	The MTU essential information is provided with	The user can scheme on the basis at GIS, specifies MTU and its essential information is made amendment;
			The management of MTU arrangement	The user can scheme on the basis at GIS, specifies MTU and its essential information is made amendment
	The MTU equipment replacement	The user changes the SIM card of MTU, also can change whole M TU equipment, and then new MTU is reinitialized
			The MTU threshold condition is provided with	Check selected MTU threshold condition, be provided with and upgrade existing MTU threshold condition or increase new threshold condition.
	The MTU Long-distance Control	By the selected MTU of user, system provides specifying the long-range direct control of MTU.
			The test event management	The test event management	Newly-built, check, change test event
The test event data management	The function that provides the user to inquire about, download, delete relevant CQT test data, frequency sweep data and MOS test data, MOS voice document etc. of test event by test event
		The MTU test assignment is provided with		Check selected MTU test assignment, be provided with and upgrade existing MTU test assignment or increase new test assignment.
The test module management	System defines the different test assignments of each MTU to select the test template mode; Test template provides.
		Test event is analyzed		The call completing rate test analysis	Call completing rate is one of most important index of reflection network quality, and network coverage situation, network capacity is limited and problem such as air interference all can impact the call completing rate of system.
The handover success rate test analysis	Handover success rate is one of important indicator of weighing a network coverage situation quality, is the important indicator of examination mobile network performance of handoffs.Handover success rate reduces, and will directly cause the increase of call drop.
			Cutting off rate is analyzed	Cutting off rate is the important indicator of reflection network quality quality, also is the important indicator that the user directly experiences the speech quality quality.In the communication process as occur

		Among Disconnect and the Channel Release arbitrary, then count a subnormal release.When two message all do not occur and when transferring idle pulley to by dedicated mode, count call drop one time.
			The speech quality analysis and assessment	Voice quality is the index of reflection Internet phone-calling quality, also be the important indicator that the user directly experiences the speech quality quality, the quality of network coverage quality, the network operation, network operation factor such as whether be interfered all can directly affect the quality of voice.The evaluation process of voice quality can be carried out simultaneously in conjunction with the call completing rate test process
	The GPRS test analysis	GPRS availability verification test suggestion adopts test GPRS attach, FTP, PDP to carry out testing authentication
			Sweep check is analyzed	The existence of disturbing can directly have influence on speech quality, comprises phenomenons such as disconnected words, call drop.Disturb and mainly be divided into two classes: disturb in the net with net is outer and disturb.Disturb in the net and be meant area covered or frequency plan defective.Net outer interference and then come from the interference that external network and miscellaneous equipment bring existing network
	The SMS test analysis	Whether the note test is used for service for checking credentials cell SMS function normal, terminal can be extracted short message centre number from foreground control centre automatically, send out 3 notes to the assigned number test, and record note transmission situation, if there is the failure of transmission should carry out early warning
			The TA test analysis	TA is in order to compensate aerial propagation delay time, and the maximum occurrences of the Timing Advance TA of portable terminal on wave point is 63, and the every increase by 1 of TA means that the distance that mobile phone leaves the base station increases about 550 meters.If TA value that terminal records big (greater than 4) and Rxquality value are fine, should think that the sub-district crosses covering (at the urban district situation)
	The coverage condition test analysis	Covering is the important indicator of concentrated expression network quality, also is one of our important indicator of being concerned about most.Covering is this factor that effectively guarantees the normal operation of network, and the quality of covering will produce directly influence to other network operation index
			Real time data	The monitoring of GIS real time data	The user can monitor all MTU hardware device alarm statuses and the test alert status in its administration in the GIS interface
The tabulation of hardware alarm in real time monitoring	The user can check that the active user administers and have the MTU tabulation and the warning information thereof of hardware alarm by the Web interface

Monitoring	Real-time testing early warning tabulation monitoring	The user can check the current MTU information list that has the test data early warning by the Web interface
			The scrnario testing early warning	The common scenarios early warning	The user customizable early warning.The user is configurable, the corresponding scene early warning of modification
Roaming border and the disappearance early warning of adjacent sub-district	By in the neighbouring province district or adjacent area install GSM mobile termination be set, periodically obtain current LAC and CI number, and in conjunction with roaming ticket LAC comparison, timely relevant management maintenance personnel of notice when adjacency provinces and regions and regional LAC change with CI, upgrade roaming abutting subdistrict table, reduce wrong roam charge situation.Minimizing because of roaming adjacent area disappearance cause can't trans-regional switching so that the situation of call drop take place
		The daily performance network early warning of VIP base station and VIP client		At the VIP contextual model, the user has relatively high expectations to speech quality, to index sensitivities such as call completing rate, cutting off rates.Under the VIP contextual model, primary is in time pinpoint the problems and in time handle problems under this contextual model mainly whether good for use to find the function that covering problem and checking provide
The early warning of customer complaint close quarters network quality	Checking should be monitored to corresponding detailed programs according to user's concrete complaint content in the customer complaint zone, and general more complaint is the relevant issues of wireless networks such as the network coverage is bad, speech quality difference.The probability that the customer complaint compact district generally can monitor the network quality problem is bigger, and directly early warning then can produce too much early warning information, is unfavorable for the location of problem
		Specific region, the early warning of special network element equipment performance		Be primarily aimed at specific regions such as indoor distributed system, elevator covering, and the function of monitoring repeater equipment; Whether signal strength obvious bigger variation takes place in the main monitoring overlay area, and with judgment device operate as normal whether, in addition, whether whether it is close with the normal storage value also should to monitor the TA value, change to judge the repeater signal source.
The test data statistics	MTU service data statistics				Add up the service data of single front end, comprise running status, performed task dispatching
		The warning information statistics	Provide the user to check the function of ALM information
	CQT test data statistics			The function that provides the user that the CQT data that MTU tested are added up is presented at the test data statistical information on the user interface with form
		MOS test data statistics	The function that provides the user that the MOS data of MOS voice evaluating server are added up is presented at test data information on the user interface with form

	The conversion of MOS voice document	The interface that provides the PCM file conversion to become the wav formatted file makes the mos voice document can carry out playback on webpage
			The frequency sweep data analysis	Providing the user that the frequency sweep data are analyzed checks
	The engineering construction efficiency assessment	Engineering addressing data are prepared			Appoint point of point in the GIS interface, system finds out the correlated performance data and presents to the user from the network optimization platform, prepare for the engineering addressing for the user
The new construction evaluation item			Before engineering construction, by the test data of the test front-end collection disposed, for the engineering addressing provides reference data.
		The management of engineering assessment data		Test data before, during and after the engineering construction is managed
The engineering assessment data is analyzed			The engineering assessment test data that the engineering construction evaluation item of appointment is obtained is analyzed, drawn engineering construction efficiency assessment conclusion (good, general, poor).
		Interface function		The test data receiving interface	System obtains each MTU test data from CQT testing hardware system in real time, and MTU state information, configuration information, uses for system test data real-time analysis module.
The MTU control interface	System sends remote control commands by the MTU control interface to MTU.
			The tracing system data-interface	Native system provides WebService interface, calls for automatic tracking system, assists its tracking problem root.
Network optimization platform data interface	System every day from the network optimization support platform upgrade sub-district, base station reference information, other are such as sub-district neighboring BS information network optimization data
			Engineering construction flow data interface	System extracts correlation engineering construction project information from the engineering construction flow process, and presents in the GIS interface
Alarm forwarding capability interface	System provides the alarm forwarding capability, mainly be to call tracing system WebService, when system discovery has early warning value above user's predetermined threshold, system generates alarm to tracing system, and the form of this alarm satisfies the call format in " instruction of customer complaint automatic tracking system note and feedback content explanation-v0.31 ".
			The Short Message Service Gateway interface	Provide Neusoft's Short Message Service Gateway relevant configuration parameter information: gateway server address, gateway port number, gateway user name, gateway authentication password, finish the note sending function

	The mailing system interface	Outgoing mail server is provided, and the user name corresponding password, e-mail transmitting function finished
			The Portal integrated interface	Subfunction in all menus put all requirements can with the Portal system integration, pad name and corresponding URL are provided, and automatically judge the user name password that reads among the cookie, realize unified login, the single-point authentication.

Claims (2)

1. automatic analysis and assessment device of mobile communication network quality, it is characterized in that: this device comprises automatic test front end MTU module, the background processing module and the automatic evaluation system background application console module of test front end, described automatic test front end MTU module is used for the magnanimity of quality of wireless network data under the various scenes collects, and the data of collecting is passed to the background processing module of described test front end; The background processing module of described test front end comprises access server, database/application server and voice MOS evaluating server, mainly finishes access-in management, data acquisition and the automatic speech assessment of respectively testing front end, generates corresponding M OS value automatically; Described automatic evaluation system background application console module, comprise interface server and database/WEB server, interface server is used for and tests the access of background processing module, automatic tracking system, network optimization support platform of front end etc., database/WEB server is used for the mass data of test front-end collection is carried out aftertreatment and analysis, and exporting the form of various personalizations by customer requirements, the user can be in the setting of the customization of carrying out test assignment under the various application scenarioss on the platform, test front-end control and various early-warning parameterses.

2. automatic analysis and assessment method of mobile communication network quality, it is characterized in that: this method realizes according to the following steps:

Step 1, client submit test assignment to, and the client submits a kind of in following five types of test assignments to: assessment test in back in before the engineering construction, important scenes test assignment, VIP client's test assignment, special network element test, complain the compact district to test;

Step 2, the test assignment that the client is submitted to are handed down to the background processing module that the test terminal server is promptly tested front end;

The test assignment that step 3, test terminal server are submitted the client to is converted to the test terminal instruction of standard, issue various test assignments and promptly test front end MTU module automatically to the test terminal, these test assignments comprise: call completing rate test, handover success rate test, cutting off rate test, speech quality analysis and assessment, GPRS test analysis, sweep check analysis, SMS test analysis, TA test analysis, coverage condition test analysis;

Step 4, be unit, test data is analyzed with the test event;

Step 5, for engineering construction assessment test, contrast three test event data, draw engineering construction simultaneously and assess profit message favourable, for common routine test, then generate the early warning of being correlated with according to the early warning value that the user is provided with;

After step 6, the corresponding early warning of generation, system perhaps notifies the relevant treatment personnel early warning information by mail or by note or by automatic tracking system according to user's setting.

Images