CN102333334A - Mobile network quality automatic monitoring system and method for GSM and 3G - Google Patents
Mobile network quality automatic monitoring system and method for GSM and 3G Download PDFInfo
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- CN102333334A CN102333334A CN201110255905A CN201110255905A CN102333334A CN 102333334 A CN102333334 A CN 102333334A CN 201110255905 A CN201110255905 A CN 201110255905A CN 201110255905 A CN201110255905 A CN 201110255905A CN 102333334 A CN102333334 A CN 102333334A
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Abstract
The invention discloses a mobile network quality automatic monitoring system and a method for the GSM (Global System for Mobile Communications) and the 3G (The 3rd Generation Telecommunication). The system comprises a background server and more than one automatic detecting terminal based on ARM (Advanced RISC Machines) embedded; and the background server is connected with all the automatic detecting terminals based on ARM embedded. The monitoring method comprises the following steps of: automatically obtaining various network quality parameters of a wireless network access module in the GSM/TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) network, executing service test to acquire service quality parameters related to voice telephone traffic, and transmitting the acquired parameters to the background server through a TCP/IP protocol of the GPRS/TD (General Packet Radio Service/Time Division) wireless network when the system is idle so as to analyze and evaluate every parameter of the network quality. The background server processes and stores the network quality parameters returned back by the automatic detecting terminals, which is convenient for managers to access data, and analyze network conditions and solve problems in time.
Description
Technical field
The present invention relates to mobile communication quality testing field, be specifically related to realization and method for supervising to mobile network's quality automatic checkout system of GSM, 3G.
Background technology
Along with the development of China's mobile communication technology, improve network quality, improve the telecommunication service ability, be the inevitable requirement that China mobile communication carrier faces jointly.For maintaining network well moves, O&M department must adopt new technological means, increases work efficiency.Mobile network's operation conditions can show through different aspects, mainly can be divided into quality of wireless network index and user satisfaction two aspects.Usually we have following four kinds of means: operation maintenance center, signaling instrument, drive test, subscriber complaint on the spot.From actual effect, at present most widely used is operation maintenance center and drive test on the spot.
The conventional method of drive test is that the professional test engineer carries drive test instrument (notebook computer adds testing mobile phone and adds GPS), and vehicle, driver's cooperation will be arranged simultaneously at present.Test imports the backstage analysis software with test file after accomplishing, and carries out analyzing and processing, and this way is difficult to guarantee a large amount of careful long-term tests, and the contingency of single test is big, sometimes does test and has certain blindness.And the human cost of traditional road measuring method, equipment cost is all very high, is a very big daily expenditure of network optimization department of operator.
Summary of the invention
The objective of the invention is to overcome the problem that existing driver test system exists; Mobile network's quality automatic monitoring system and method to GSM and 3G are proposed; The starting point of whole system is to realize the automation of drive test for network optimization; Adopt unattended mode, leave the work of finding network problem for terminal and system accomplishes, the attendant then can be absorbed in and deals with problems.Automatically sense terminals integrates testing equipment and the survey of MCU main control module; Mode through AT command set is sent request to mobile network's AM access module; Make professional tests such as its voice, data according to order request completion network; At last test result is sent to the data in server storehouse through mobile Internet, for supervisor of construction's phase-split network problem to carry out the network optimization.System is from user's angle, and ground with low cost obtains drive test data in a large number and assesses network operation situation, have use manpower and material resources sparingly, real-time, remarkable advantage such as test specification is wide, the time is long, the image data amount is big.Concrete technical scheme of the present invention is following.
Mobile network's quality automatic checkout system to GSM, 3G of the present invention comprises background server and more than one based on the Embedded automatic sense terminals of ARM; Insert the Internet and connect background server through GPRS based on the Embedded automatic sense terminals of ARM, realize the function of automatic service testing, wireless signal measurement, gathering geographic position information; Background server connects based on the Embedded automatic sense terminals of ARM through mobile Internet and all, realize to sense terminals issue the testing order, to test result collect, collective analysis and being stored in the database.
In above-mentioned mobile network's quality automatic checkout system to GSM, 3G; Background server is connected through computer internet (Internet) with PC browser administration end and with Browser/Server (B/S) architecture arrangement, realizes that the supervisor of construction uses browser that mobile network's quality condition is monitored on PC; Background server is connected through mobile Internet with the cell phone managing client, realizes that the system manager monitors the mobile network on the cell phone software client.
In the above-mentioned mobile communication network quality automatic checkout system, comprise power module, MCU main control module, extension storage module, encoding and decoding speech module, mobile network (GSM/TD-SCDMA) AM access module, GPS locating module based on the embedded automatic sense terminals of ARM to GSM, 3G; Power module is divided into analog power and digital power two parts, and for the embedded automatic sense terminals of vehicle-mounted ARM provides stable power, power module is each module for power supply through power circuit; The MCU main control module is responsible for controlling the Collaboration of each functional module; Be connected with audio coding decoding module, mobile network's AM access module, GPS locating module through Uart or SPI serial ports; The MCU main control module obtains the quality testing data of mobile network's AM access module; Obtain the geographical location information of GPS locating module, the data flow of control audio encoding and decoding realizes the data local cache; The extension storage module is connected with the MCU main control module through the SPI serial ports; The storage main control module is collected mobile network's quality parameter information; With the recording file that the speech business testing is carried out on the backstage, play the standard audio file that is used for PESQ speech quality evaluation algorithm computation assessment speech channel quality to the backstage; Mobile network's AM access module is connected with the MCU main control module through the Uart serial ports, is used to obtain current location mobile network mass parameter and carries out the mobile service testing; The encoding and decoding speech module is connected with main control module through the SPI serial ports, is used for the voice testing module playing standard voice to background server, and the downlink voice signal in the testing process is carried out digitized sampling; The GPS locating module is connected with main control module through the Uart serial ports, and the realization sense terminals is obtained with the geo-localisation information of the longitude and latitude in the car moving process, magnetic declination, speed, deflection.The integrated ICP/IP protocol of mobile network's AM access module can connect through TCP and send testing data such as the mobile network signals mass number that collects and the cutting off rate during the testing, carrier/interface ratio to the backstage.
In the above-mentioned mobile communication network quality automatic checkout system to GSM, 3G; The MCU main control module adopts STM32103RBT master cpu chip; Different control commands according to receiving background server are dispatched each module; Control encoding and decoding speech module is carried out relevant treatment to received pronunciation; AT commands for controlling mobile network AM access module through network quality is gathered detects and the geo-location data through the packet acquisition quality that obtains the GPS locating module, and control mobile network AM access module is passed through GPRS network regularly to background server loopback quality testing data; Adopt the SD card controller as expanding memory, detect data and GPS positional information through received pronunciation, the network quality of digitized sampling with storage.
In the above-mentioned mobile communication network quality automatic checkout system to GSM, 3G, background server comprises backstage main control module, voice testing module, data processing module, quality analysis result queries module and database; The backstage main control module is set up TCP through the Internet with vehicle-mounted sense terminals and is connected, and issues testing order, the detection data of receiving terminal loopback to sense terminals; Voice testing module is to specifying sense terminals to carry out audio call, and to the received pronunciation of sense terminals played pre-recorded, and the voice signal of receiving terminal playback deposits database in; Data processing module is through being connected with database server; Read the received pronunciation that sense terminals returns and carry out voice quality analysis from database with the PESQ algorithm; Read the network signal quality parameter mobile network's quality is carried out statistics and analysis, and deposit analysis result in database; Quality analysis result queries module is a Web server, and the java application Servlet of server accepts the request of webpage, the quality analysis result in the reading database, and the electronic chart webpage on client browser graphically shows.
In the above-mentioned mobile communication network quality automatic checkout system to GSM, 3G; Said database adopts oracle database, the network signal of crossing from the detection data of each sense terminals and through background process that the storage backstage is received and the result of quality of service analysis.
The monitoring method that is directed against mobile network's quality automatic checkout system of GSM and 3G of the present invention comprises the steps:
(1) automatically sense terminals is arranged on the target vehicle (on public vehicles such as bus, taxi and mobile employee's the private vehicle); Behind the automobile starting; Automatic sense terminals power supply Auto Power On; Set up TCP through GPRS/TD network and background server and be connected, and send the heartbeat packet that comprises essential informations such as geographical position, translational speed, local signal intensity, the error rate, show that automatic sense terminals is online according to the frequency of setting.
(2) background server is set according to the management strategy of project management system, obtain the heartbeat packet of automatic sense terminals after, set up the slip condition database at terminal, judge that the terminal begins to move after, carry out the test assignment of management strategy definition.
(3) background server sends the control command of test beginning to automatic sense terminals, carries out alternately with the main control module at terminal, and the frequency of test report and test file and tactful is submitted in management automatically to.
(4) automatically the sense terminals managing software module take over, scheduling tests equipment, after carrying out test and preparing, send test SBR response packet to the backstage.
(5) background server carries out audio call through voice system to sense terminals, and sense terminals receives audio call automatically, and main control module sends command adapted thereto automatically, connects speech channel.
(6) the background server received pronunciation file that reads in the voice system admission in advance carries out playback to sense terminals; Automatically sense terminals is picked up voice call through the encoding and decoding speech module; Compacting generates the voice recording file, is stored in the expansion memory module.
(7) sense terminals sends to backstage with recording file with heartbeat packet through the GPRS/TD network when the spare time automatically.
(8) backstage receives the recording file of automatic sense terminals transmission, and data processing module is carried out PESQ speech quality evaluation algorithm, calculates the speech business quality evaluation value of automatic road measuring when accepting the voice testing in certain specific geographical position.
(9) sense terminals is set according to the voice testing of main control module automatically, carries out the voice testing to background server with certain frequency.Automatically sense terminals is through the received pronunciation file of encoding and decoding speech module played pre-recorded.
(10) voice system of background server is recorded the voice in the speech channel, and data processing module is carried out PESQ speech quality evaluation algorithm, calculates the speech business quality evaluation value of automatic road measuring when initiating the voice testing in certain specific geographical position.
(11) automatic sense terminals according to the frequency that main control module is set, is gathered mobile network signals and corresponding latitude and longitude information, and is packaged into the packet of set form, is stored in the extension storage module.
(12) background server is set according to the management strategy of project management system, through the GPRS/TD network automatic sense terminals is issued request of data with certain frequency, the mobile network's quality information that requires automatic sense terminals to upload to collect in certain period.
(13) background server is through data processing module, and received pronunciation, mobile network signals quality and gps data that automatic sense terminals is sent back to carry out analyzing and processing, and deposit database in.
In above-mentioned mobile network's quality automatic testing method to GSM and 3G; When sense terminals moves with car; Deposit the GPS information and the signal quality parameter of timing acquiring position in the local memory of expanding with the log document form, and return the data of log file to the backstage at a distance from a period of time.
In above-mentioned mobile network's quality automatic testing method to GSM and 3G, timing automatic control or manually control background server and issue the testing order to each vehicle-mounted front-end, the testing of execution voice.
Compare with conventional art, the present invention has following advantage and beneficial effect:
(1) automatically sense terminals is obtained drive test data in large quantities through technical scheme with low cost and is assessed network operation situation, have use manpower and material resources sparingly, real-time, remarkable advantage such as test specification is wide, the time is long, the image data amount is big.
(2) from the angle of user's perception mobile network's QoS directly being assessed, reflected the quality of the actual use of user business service, is the improvement that existing system is assessed based on the network element index indirectly.
(3) daily test is accomplished whole testing process with supermatic mode, need not artificial the participation basically, is to needing a large amount of artificial improvement of participating in the existing system test process.
(4) the present invention can carry out round-the-clock follow-on test, is the improvement that can only test at special time existing system.
(5) the present invention can carry out the test of big area coverage, comprises specific road section (long-distance car, bus), and highway section (taxi) etc. is the improvement that can only cover a small amount of location to existing system at random.
(6) test terminal of the present invention is cheap, has only one 1/tens to several percent of existing road measuring device price, therefore can large scale deployment, and be to existing system because testing equipment is expensive, the improvement that can only dispose very limited testing equipment.
(7) the present invention tests full-automation, installs simply, also can any influence not arranged to vehicle during test.The test terminal can be installed in (like bus, taxi) on the public vehicles on a large scale, can carry out network test with abundant integrating society resource, is can only utilize the vehicle resources of operator oneself to accomplish the improvement of test job to existing drive test means.
Description of drawings
Fig. 1 is the network connection layout of mobile network's quality automatic checkout system in the execution mode.
Fig. 2 is the system framework figure of background server in the execution mode
Fig. 3 is the system framework figure of automatic sense terminals in the execution mode
Fig. 4 is an automatic sense terminals workflow diagram in the execution mode.
Fig. 5 is the main control module program flow diagram of background server in the execution mode.
Fig. 6 is a background server workflow diagram in the execution mode.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described, but the scope that the present invention requires to protect is not limited to the scope that embodiment explains.
To mobile network's quality automatic monitoring system of GSM and 3G, mainly form by background server, automatic sense terminals and administrative client.With reference to figure 1 is network connection layout of the present invention.
(1) background server 10: the background server cluster of mobile network's quality automatic checkout system; Be responsible for to collect from each automatic sense terminals and send the information and date of returning, the line data library storage of going forward side by side, quality evaluation computing; Carry out the traffic testing through voice testing module 19 and automatic sense terminals; Provide intelligent through quality analysis result queries module 111 for the engineering staff, integrated monitoring management detects strategy and specifies platform.
(2) automatic sense terminals main frame 11: being installed on the public vehicles (bus or taxi), is the automation sense terminals carrier of mobile network's quality automatic checkout system.Be responsible for each item mobile network's mass parameter of collection vehicle geographic location; Initiate, accept voice testing task, mutual with background server, in good time with the network quality parameters that collects; The voice recording file uploads to the backstage through mobile Internet, further handles.
(3) the GSM/TD-SCDMA mobile Internet 12: background server carries out the network carrier that the transfer of data and instruction transmits with automatic sense terminals; Automatically sense terminals can be used GPRS, EDGE or TD-SCDMA network; Has than higher transmission speed the transfer of data requirement of compliance with system.
(4) the Internet network 13: background server be connected based on the browser administration front end of B/S framework TCP/IP through the Internet, for the supervisor of construction provides convenient, do the way to manage of effect.
(7) gps satellite microwave communication 14:GPS module 16 is obtained the communications carrier of geographical location information to the GPS communication satellite.
(8) the GPS position location satellite 15: native system uses the GPS of USA Civil Navigation Aids System, obtains geographical location information through the GPS module of automatic sense terminals.
(9) the office terminal mobile phone 16: likewise, also can make things convenient for the engineering staff to carry out round-the-clock real-time monitoring inserting use and management platform on the mobile phone of mobile Internet.
(10) the PC browser 17: the engineering staff can manage automatic checkout system through the computer that inserts Internet.Management system based on the B/S framework makes the engineering staff in conjunction with generalized information system, understand mobile network's quality information of guarded region various places in real time, intuitively through the automatic administration page that generates of the browser browing system of computer.
Described background server is made up of backstage main control module, voice testing module, data processing module, quality analysis result queries module, database etc., and reference diagram Fig. 2 is the composition frame diagram of background server.
(1) the backstage main control module 20: main control module is the overall scheduler of system; It is responsible for CONFIG.SYS and loads; The scheduling of flow scheduling and call treatment is carried out in the management of operation flow file base voice resource simultaneously, also is responsible for carrying out in network layer the monitoring of TCP/IP serve port; And explain and use the communication bag that webmaster sends over, call the corresponding business flow process then and accomplish command adapted thereto.
(2) voice testing module 21: form by sound card industry control version; Accept the instruction of backstage main control module; Carry out the voice testing with each automatic sense terminals; Control for foundation, maintenance and the release of accomplishing basic call provides controlled function, comprises call treatment, connects control, intelligent call triggering, resource control etc. based on the calling of PSTN.Voice testing module is supported the call control signalling agreement of multiple communication network, comprises the artificial line signaling, ISDN PRI, and isdn signaling, Signaling System Number 7s etc. also will provide future such as IP-based VOIP telephone signaling (like SIP) etc.
(3) data processing module 22: the speech analysis service system, monitor the recording of the recording that voice testing platform and automatic road measuring upload in real time, and survey the result; Behind the testing End of Tape, it obtains recording file between in real time, call PESQ phonetic algorithm storehouse then; Import the original playback file of voice testing platform and, obtain the voice quality MOS value of a PESQ assessment, then with speech analysis and the relevant parameter of testing with reference to recording file; Like the time, termination number etc. are written in the database.For subsequent treatment.
(4) quality analysis result queries module 23: be the management platform that the supervisor of construction carries out the inquiry of mobile network's mass parameter based on the B/S framework.
(5) database 24: be responsible for the relevant mobile network's mass parameter data of geographical location information that the automatic sense terminals of storage is uploaded, the PESQ speech quality evaluation result of data processing module supplies main control module to call at any time.
Automatic sense terminals of the present invention is made up of MCU main control module, encoding and decoding speech module, mobile network's AM access module etc., is the composition frame diagram of automatic sense terminals with reference to figure 3.
(1) the MCU main control module 30: collect automatic sense terminals position mobile network's mass parameter through GSM/TD mobile network AM access module 15, receive the geographical location information that GPS module 16 is sent; Be connected with background server through AM access module, regularly send the heartbeat packet that comprises geographical location information and mobile network's mass parameter to the backstage; Accept the task trigger command on backstage, carry out the testing task and record and playback through 13 pairs of voice speech channel of encoding and decoding speech module; Packets of information and the voice document gathered are stored in the received pronunciation 14.
(2) the encoding and decoding speech module 31: link to each other with MCU main control module 11 through the SPI interface; Receive and carry out speech play when instruction audio data stream is converted in the audio input end that voice signal is played to mobile network's AM access module 15; When receiving the voice recording instruction; With the speech signal coding of audio output is the mp3 form, passes to main control module through the SPI interface and handles.
(3) received pronunciation 32: link to each other with MCU main control module 11 through the SPI interface as memory carrier with SD, be used to store main control module and pass the data of coming.
(4) GSM/TD-SCDMA mobile network AM access module 33: adopt the DTM6211 module; Function comprises obtaining of information such as movable signal quality, base station IDs; Inserting the GPRS/TD mobile Internet is connected with the backstage; Voice testing module 19 through voice speech channel and background server is dialled words each other, during the spare time, each item information and file that main control module collects is thought background transfer at the terminal.
(5) the GPS module 16: link to each other with main control module 34 through serial ports, be responsible for gathering the geographical location information that detects the place automatically.
In the automatic sense terminals of the present invention, the MCU main control module adopts the ARM architecture chip STM32103V8T based on the CortexM3 kernel, has abundant Peripheral Interface, comprises USART interface, USB interface, IIC interface, SPI interface etc.The software adopted embedded type C language is realized, is moved automatic mobile network's AM access module communication, GPS module communication, parameter acquiring, voice testing, background communication supervisor task.
In the described automatic sense terminals, the encoding and decoding speech module adopts the VS1003MP3 codec chip to constitute, and chip comprises MP3 hardware compression module and the corresponding circuit module of voice playing.
In the described automatic sense terminals, expand memory module and form, adopt the file system of FAT16, can carry out file access flexibly, search management by the SD card that adopts the SPI interface to connect.
In the described automatic monitoring system; The voice testing module of background server adopts the design of software and hardware integration; Adopt the industrial computer and the voice plate card that meet industrial standard to form the comprehensive telephone network interface and the basic platform of Digital Signal Processing on the hardware, adopt modular design to form integrated voice applied business platform flexibly on the software.Its major function is the phonetic dialing strategy of formulating according in advance; Initiating the voice testing to sense terminals calls out; After terminal responds; To terminal plays digitize voice file (PCM A leads form), the sound to the terminal loopback carries out digitalized audio record (PCM A leads form) simultaneously, and recording file is preserved.
The main control module of described background server is the overall scheduler of system, adopts the design of pure software, carries out TCP through TCP Socket with sense terminals and communicates by letter, and it is issued control command; Through api interface and voice testing module communication, carry out the scheduling of voice testing call treatment.It is responsible for CONFIG.SYS and loads; Carry out the scheduling of flow scheduling and call treatment simultaneously; Also be responsible for carrying out the monitoring of TCP/IP serve port, call the work such as quality testing Data Acquisition and analysis that corresponding business flow process uniform dispatching voice testing module, data analysis module are carried out sense terminals then in network layer.
The data analysis module of described background server adopts the PESQ algorithm of ITU standard to realize the received pronunciation quality analysis.Behind the testing End of Tape; It will obtain recording file from voice testing module; Call PESQ phonetic algorithm storehouse then, the original playback file of voice testing module and the recording file of terminal loopback gained are handled, obtain the voice quality MOS value of a PESQ assessment; With speech analysis and the relevant parameter of testing, be written in the database then like time, termination number and latitude and longitude information etc.
The quality analysis result queries module of described background server is the Web Server that adopts Tomcat+JSP+JavaBean design, through the JDBC accessing database, inquires about and obtain the required quality analysis result's of user data; Through the request of JSP page response web page user, network signal and business quality data are graphically shown; Google Map through Ajax technology and employing opening API realizes accurate and dynamic map display function.Different with use GIS client in the past as display module; The present invention is based on the quality analysis result queries module of BS framework; More innovation technically; Utilize the Google Map of opening API to make map shows, saved the input of self manufacture map, and make the monitoring personnel of network signal and quality of service can very simply realize mobile office.
Automatically the workflow of sense terminals is as shown in Figure 4, mainly may further comprise the steps:
(1) testing vehicle starts, and system powers on automatically and brings into operation 40.
(2) automatic sense terminals each several part module auto-initiation 41: initialization comprises main control module, network access module, encoding and decoding speech module, storage expansion module, and initialization procedure is accomplished by main control module.
(3) automatic sense terminals is automatically to backstage timed sending heartbeat packet 42: main control module carries out cycling according to the heartbeat packet time interval of setting; Each heartbeat packet just reads storage at interval and expands nearest information that comprises mobile network's quality information and geographical location information in the module; The information package of collecting is sent a heartbeat packet that comprises these information to the backstage; Expression drive test terminal is online, and operate as normal, and the basic network information is provided.
(4) sense terminals is passed through serial ports Interrupt Process background request 43 automatically: if the test service request is submitted on the backstage to; Automatically sense terminals gets into voice testing subprogram, and the incoming call AT that receives of corresponding network AM access module instructs perhaps Control Network AM access module that background server is specified the speech channel testing.
(5) the Information Monitoring time judges 44 automatically: if there is not background request; So automatically, survey the terminal and will when being spaced apart 20 seconds, collect the mobile network's mass parameter and the GPS geographical location information of geographic location; Be packaged into the Log file, be recorded in storage and expand in the module.
(6) network parameter 45 is obtained in the AT instruction: main control module is the network access module of core through the AT commands for controlling with DTM6211, obtains network quality parameters.
(7) the GPS agreement is obtained longitude and latitude parameter 46: main control module reads the packet that the GPS module is sent through serial ports, obtains geographical longitude and latitude.
(8) generate Log file 47: main control module becomes the Log file with the information package of collecting.
(9) SD agreement record Log file 48: main control module is expanded module stores with the Log file in the SD card through storage.
(10) the main control module calls network access module 49: main control module is controlled network access module through the AT instruction, sends and voice testing corresponding instruction subclass.
(11) encoding and decoding speech module play-/ record standard audio file 410:VS1003 is that the standard audio file that the encoding and decoding speech module of core is play through the network access module voice speech channel the backstage is recorded, and perhaps the backstage is play to be stored in the standard audio that storage expands in the module and to supply the backstage recording.
(12) the temporary module records audio file 411 of storage holder: main control module is sent to storage with the audio frequency of recording and expands module, is recorded in the SD card.
(13) GPRS/TD is to backstage transfer audio files 412: in system when not busy, network access module through GPRS or TD data communication mode transfer of data to the backstage.
(14) the SD agreement reads Log file 413: beyond the time of 20S eartbeat interval, if there is not the business need on backstage, main control module reads the Log file that is stored in the SD card
(15) GPRS/TD is to background transfer Log file 414: sense terminals will be to background transfer Log file and voice recording file automatically.
The workflow of background server is as shown in Figure 5, mainly may further comprise the steps:
(1) the backstage main control module is set up TCP with the test terminal and is linked 50;
(2) the backstage main control module issues testing order 51 to the terminal;
(3) sense terminals is done the test preparation and is replied 52 to the backstage;
(4) main control module receives that the terminal testing begins to reply, and control voice testing module is carried out audio call 53;
(5) voice testing module is to the terminal plays tested speech, and the voice that the terminal is returned are recorded 54;
(6) air time initiatively finishes to converse 55 to back voice testing module;
(7) master control module controls voice testing module sends the received pronunciation data to data analysis module 56;
(8) data analysis module adopts the PESQ algorithm that the speech data that the testing module generates is carried out voice quality analysis 57;
(9) sense terminals is regularly collected mobile network signals quality and gps data 58;
(10) sense terminals is returned the data of collecting 59 through the TCP connection to the backstage;
(11) the backstage main control module obtains the data of collecting at the terminal 510 through the TCP connection;
(12) data analysis module obtains the terminal gathered data and handles 511 from main control module;
(13) data analysis module the voice quality analysis result and the network quality after handling and gps data store in the database 512 into;
The workflow of monitoring management platform is as shown in Figure 6, mainly may further comprise the steps:
(1) client transmission user name and password land to the background server request, and successful rear platform returns the test terminal and measurement circuit information is given client 61;
(2) client is sent monitoring request in real time 62 to platform;
Send to client 63 when (3) background server is incited somebody to action in fact after receiving the data that the test terminal is passed back and passing through platform processes;
(4) client is carried out visual presentation 64 with it after receiving real time data in GIS;
(5) client is sent historical test data query requests 65 to platform;
(6) return test data after background server is inquired about and carry out visual presentation 66 to client;
(7) client is sent historical test data statistical report form request 67 to platform;
(8) return statistical report form after background server is inquired about and give client 68.
Claims (8)
1. to mobile network's quality automatic monitoring system of GSM and 3G, it is characterized in that comprising background server and more than one based on the Embedded automatic sense terminals of ARM; Insert the Internet and connect background server through GPRS based on the Embedded automatic sense terminals of ARM, realize the function of automatic service testing, wireless signal measurement, gathering geographic position information; Background server connects based on the Embedded automatic sense terminals of ARM through mobile Internet and all, realize to sense terminals issue the testing order, to test result collect, collective analysis and being stored in the database.
2. 1 described mobile network's quality automatic monitoring system as requested is characterized in that comprising power module, MCU main control module, extension storage module, encoding and decoding speech module, mobile network's AM access module, GPS locating module based on the embedded automatic sense terminals of ARM; Power module is divided into analog power and digital power two parts, and for the embedded automatic sense terminals of vehicle-mounted ARM provides stable power, power module is each module for power supply through power circuit; The MCU main control module is responsible for controlling the Collaboration of each functional module; Be connected with audio coding decoding module, mobile network's AM access module, GPS locating module through Uart or SPI serial ports; The MCU main control module obtains the quality testing data of mobile network's AM access module; Obtain the geographical location information of GPS locating module, the data flow of control audio encoding and decoding realizes the data local cache; The extension storage module is connected with the MCU main control module through the SPI serial ports; The storage main control module is collected mobile network's quality parameter information; With the recording file that the speech business testing is carried out on the backstage, play the standard audio file that is used for PESQ speech quality evaluation algorithm computation assessment speech channel quality to the backstage; Mobile network's AM access module is connected with the MCU main control module through the Uart serial ports, is used to obtain current location mobile network mass parameter and carries out the mobile service testing; The encoding and decoding speech module is connected with main control module through the SPI serial ports, is used for the voice testing module playing standard voice to background server, and the downlink voice signal in the testing process is carried out digitized sampling; The GPS locating module is connected with main control module through the Uart serial ports, and the realization sense terminals is obtained with the geo-localisation information of the longitude and latitude in the car moving process, magnetic declination, speed, deflection.
3. 2 described mobile network's quality automatic monitoring systems as requested; It is characterized in that the MCU main control module adopts STM32103RBT master cpu chip; Different control commands according to receiving background server are dispatched each module; Control encoding and decoding speech module is carried out relevant treatment to received pronunciation; AT commands for controlling mobile network AM access module through network quality is gathered detects and the geo-location data through the packet acquisition quality that obtains the GPS locating module, and control mobile network AM access module is passed through GPRS network regularly to background server loopback quality testing data; Adopt the SD card controller as expanding memory, detect data and GPS positional information through received pronunciation, the network quality of digitized sampling with storage.
4. 1 described mobile network's quality automatic monitoring system as requested is characterized in that background server comprises backstage main control module, voice testing module, data processing module, quality analysis result queries module and database; The backstage main control module is set up TCP through the Internet with vehicle-mounted sense terminals and is connected, and issues testing order, the detection data of receiving terminal loopback to sense terminals; Voice testing module is to specifying sense terminals to carry out audio call, and to the received pronunciation of sense terminals played pre-recorded, and the voice signal of receiving terminal playback deposits database in; Data processing module is through being connected with database server; Read the received pronunciation that sense terminals returns and carry out voice quality analysis from database with the PESQ algorithm; Read the network signal quality parameter mobile network's quality is carried out statistics and analysis, and deposit analysis result in database; Quality analysis result queries module is a Web server, and the java application Servlet of server accepts the request of webpage, the quality analysis result in the reading database, and the electronic chart webpage on client browser graphically shows.
5. 1 described mobile network's quality automatic monitoring system as requested; It is characterized in that said database adopts oracle database, the network signal of crossing from the detection data of each sense terminals and through background process that the storage backstage is received and the result of quality of service analysis.
6. to mobile network's quality automatic monitoring method of GSM and 3G, its characteristic comprises as follows:
(1) sense terminals is arranged on the target vehicle automatically; Behind the automobile starting; Automatically sense terminals energising Auto Power On is set up TCP through GPRS/TD network and background server and is connected, and sends heartbeat packet according to the frequency of setting; Heartbeat packet comprises the information of mobile network's quality information and geographical location information, is used to show that automatic sense terminals is online;
(2) after background server obtains the heartbeat packet of automatic sense terminals, set up the slip condition database at terminal, test assignment is carried out after beginning to move in the judgement terminal;
(3) background server sends the control command of test beginning to automatic sense terminals, carries out alternately with the MCU main control module at terminal, and the frequency of test report and test file and tactful is submitted in management automatically to;
(4) sense terminals scheduling mobile network AM access module is automatically sent test SBR response packet to the backstage;
(5) background server carries out audio call through voice testing module to automatic sense terminals, and sense terminals receives audio call automatically, and the MCU main control module is connected speech channel;
(6) the background server received pronunciation file that reads in the voice system admission in advance carries out playback to sense terminals; Automatically sense terminals is picked up, is compressed voice call through the encoding and decoding speech module; Generate the voice recording file, be stored in the expansion memory module;
(7) sense terminals sends to background server with recording file with the log file through the GPRS/TD network when the spare time automatically;
(8) background server receives the recording file of automatic sense terminals transmission, and data processing module is carried out PESQ speech quality evaluation algorithm, calculates the speech business quality evaluation value of automatic sense terminals when a geographical position reception voice testing;
(9) sense terminals is set according to the voice testing of main control module automatically, carries out the voice testing to background server with the frequency of setting; Automatically sense terminals is through the received pronunciation file of encoding and decoding speech module played pre-recorded;
(10) voice system of background server is recorded the voice in the speech channel, and data processing module is carried out PESQ speech quality evaluation algorithm, calculates the speech business quality evaluation value when initiating the voice testing in corresponding geographical position;
(11) automatic sense terminals according to the frequency that main control module is set, is gathered mobile network signals and corresponding latitude and longitude information, and is packaged into the log file of set form, is stored in storage and expands module;
(12) background server requires automatic sense terminals to upload and sets mobile network's quality information of collecting in the period according to through the GPRS/TD network automatic sense terminals being issued request of data with the frequency of setting;
(13) background server is through data processing module, and received pronunciation, mobile network signals quality and gps data that automatic sense terminals is sent back to carry out analyzing and processing, and deposit database in.
7. 7 described mobile network's quality automatic testing methods as requested to GSM and 3G; It is characterized in that; When sense terminals moves with car; Deposit the GPS information and the signal quality parameter of timing acquiring position in the local memory of expanding with the log document form, and return the data of log file to the backstage at a distance from a period of time.
8. 8 described mobile network's quality automatic testing methods to GSM and 3G as requested is characterized in that, timing automatic control or manually control background server and issue the testing order to each vehicle-mounted front-end, the testing of execution voice.
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