CN102905296B - Method and equipment for WLAN (Wireless Local Area Network) test analysis - Google Patents
Method and equipment for WLAN (Wireless Local Area Network) test analysis Download PDFInfo
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- CN102905296B CN102905296B CN201210410758.3A CN201210410758A CN102905296B CN 102905296 B CN102905296 B CN 102905296B CN 201210410758 A CN201210410758 A CN 201210410758A CN 102905296 B CN102905296 B CN 102905296B
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Abstract
The invention provides a method and equipment for WLAN (Wireless Local Area Network) test analysis. The equipment comprises a power supply conversion unit, a WIFI (Wireless Fidelity) module unit, a central processing unit, a real-time clock unit, a storage unit, a POE (Power over Ethernet) interface unit, a USB (Universal Serial Bus) interface unit and a local serial port unit, wherein the WIFI module unit and the central processing unit are connected through the USB interface; the real-time clock unit is connected with the central processing unit through an I2C (Inter-Integrated Circuit) bus; the storage unit is connected with the central processing unit through a parallel bus; the POE unit is used for supplying power to internet accesses and transmitting data; the USB interface unit can be used to expand a large-capacity storage for capture storage of WLAN data; the local serial port unit is used for software download, debugging and parameter configuration; and a WLAN network test result or an analysis report is uploaded to a server platform through a wired network port or a WLAN, and a server analyzes and displays test result information. The method and equipment disclosed by the invention have the beneficial effects of monitoring and optimizing WLAN quality, timely finding out problems in WLAN signal coverage, improving WLAN signal quality and reducing user complaints.
Description
Technical field
The present invention relates to the monitoring of wlan network covering quality, detection and analysis field, is mainly a kind of wlan network method for testing and analyzing and equipment.
Background technology
Along with domestic 3G network application is progressively universal, data user's scale goes from strength to strength in recent years, and operator has experienced the bandwidth pressure that huge data traffic is brought to 3G network.And development WLAN is the effective way of the unloading 3G of operator data flow.Along with a large amount of increase of the construction of operator's wlan network, the terminal user of wlan network is more and more.But due to wlan network construction and user's surge, the quality of wlan network can not be ensured reliably, and Mobile Network Operator is more and more paid attention to wlan network user's satisfaction.Because WLAN covers the failure problems of AP etc., wlan network degradation or unavailable, attendant can not find again and advanced processing in time, even causes the phenomenon of customer complaint.
Use wlan network method for testing and analyzing, energy Real-Time Monitoring covers the function of on-the-spot AP, the network index that monitoring WLAN covers, analog subscriber is experienced, once occur that wlan network is abnormal, can analyzing failure cause, and test and analysis result are reported to network management center's platform, can find in time and safeguard processing, ensure WLAN signal covering quality, improve user satisfaction.Wlan network test analysis equipment is arranged on wlan network AP and covers scene, by test and analysis to AP and WLAN overlay network, can evaluate wlan network quality.And the assessment report to wlan network and test result are arrived to network management center's platform by LAN mouth or WLAN wireless network transmissions.Wlan network occurs abnormal time, can report timely notice to network management center's platform.
Summary of the invention
Object of the present invention is just in order to overcome the deficiency of above-mentioned technology, and a kind of wlan network method for testing and analyzing and equipment are provided, for monitoring and the optimization of the quality of wlan network.Find in time WLAN signal covering problem, improve wlan network signal quality, reduce customer complaint.
The present invention solves the technical scheme that its technical problem adopts: this wlan network test analysis equipment, comprises power conversion unit, WIFI modular unit (containing antenna), CPU (CPU), real-time clock unit (RTC), memory cell, POE interface unit, usb interface unit and local serial ports unit composition; Wherein WIFI modular unit is connected by USB interface with CPU; Real-time clock unit is connected with CPU by I2C bus; Memory cell is connected with CPU by parallel bus; POE unit is for network interface power supply and transmission data; Usb interface unit can be expanded mass storage, for wlan network data packet capturing storage; Local serial ports unit is for software download, debugging and parameter configuration.
Described test analysis equipment is by wired network interface or WLAN wireless network, wlan network test result or the analysis report platform of uploading onto the server, server is resolved test result information and is shown, as occurs abnormal conditions, produces alarm notification webmaster personnel.
Described POE interface unit comprises netting twine POE power pack and internet transmission of virtual laboratory, POE power pack is made up of J1, U2, D1, D2, U1, Q1, Q2, T1, T2 and peripheral resistance capacitance thereof, and J1 is that RJ45 interface, U2 are the incoming end of network transformer composition netting twine and power supply; Input POE power supply is input to U1 through rectifier bridge D1, D2, and U1 is highly integrated PD power interface control chip, band PWM output interface, and monitoring POE input voltage is also adjusted PWM output; Q1, Q2 are NMOS pipe, and T1, T2 are POE transformer, and composition DC-DC translation function parts are converted to POE input voltage the DC5V that device systems needs; Internet transmission of virtual laboratory is made up of J1, U2, Y1, U5, and J1 and U2 are network cable input, and Y1 is active crystal oscillator, and U5 is 10/100 network PHY interface, is connected to the RMII bus of CPU.
Described WIFI modular unit is made up of J5, U6 and some resistance capacitances, and J5 is wireless WIFI network interface card module, is connected to CPU by USB interface; U6 is the switching device of USB interface power supply of controlling, when EN pin is while being high, and switch conduction, USB supplies power to WIFI modular unit, can normally work, when EN pin is low, switch closure, the USB power-off of WIFI modular unit, does not work.
Described real-time clock unit is made up of U26 real-time timepiece chip PCF8563, diode D22, diode D23, Y4 resonant crystal and some electric capacity, wherein Y4 provides clock accurately for U26, D9 and D10 have been used for the switching of main power source and button cell power supply, while having made electricity, being U26 power supply by main power source, is U26 power supply by button cell when power down.
This wlan network method for testing and analyzing of the present invention, the testing procedure of the method is as follows:
1), the CPU on test analysis equipment is by controlling the AP state of the local network coverage in WIFI modular unit scanning place, acquisition relevant parameter: Essid, Bssid, Channel, Signal level, Noise and Bit Rates;
2), the reception server instruction of test analysis equipment or timing be to specifying the AP of MAC Address to carry out performance test, comprising: portal authentication test, ping test, FTP test, HTTP download test, DHCP test and EMAIL test;
3), test analysis device statistics analytical test result, test result and analysis report are reported to server;
4), server is added up AP test result, and abnormal network data relevant AP is listed in to alarm item;
5), server is transmitted to Network Management and Maintenance personnel by note or EMIAL warning information;
6), test analysis equipment regularly or by server instruction arranges the simulation AP of operator focus, connects the user's who comes up quantity and analyzes the type of user terminal on connecting during adding up this, is reported to server;
7), server nominative testing analytical equipment opening network packet capturing pattern, test analysis control WIFI modular unit, captures all packets that comprises 802.11 frames in wlan network, data upload is to server, analysis user behavior or Network Search fault.
1), equipment AP state and the performance of specifying MAC by controlling WIFI module testing the effect that the present invention is useful is:; 2), the teletransmission in real time of test result and analysis report is to service platform; 3), can designated equipment dry run business AP focus, the monitoring data that access terminal, analysis user behavior; 4), the multiple customer rs sites of equipment simulating link simultaneously cover AP, AP focus is carried out to pressure test.
Brief description of the drawings
Fig. 1 is wlan network method for testing and analyzing schematic diagram of the present invention;
Fig. 2 is this kind wlan network test analysis equipment principle block diagram;
Fig. 3 is wlan network test analysis equipment POE interface unit schematic diagram of the present invention;
Fig. 4 is wlan network test analysis device power supply (DPS) converting unit schematic diagram of the present invention;
Fig. 5 is wlan network test analysis equipment WIFI module principle figure of the present invention;
Fig. 6 is wlan network test analysis equipment CPU electrical schematic diagram of the present invention;
Fig. 7 is wlan network test analysis device storage of the present invention unit electrical schematic diagram;
Fig. 8 is wlan network test analysis equipment real-time clock of the present invention (RTC) unit electrical schematic diagram;
Fig. 9 is the local serial port power schematic diagram of wlan network test analysis equipment of the present invention;
Figure 10 is the usb interface unit block diagram of wlan network test analysis equipment of the present invention;
Reference numeral: POE interface unit 1, power conversion unit 2, WIFI modular unit 3, CPU 4, memory cell 5, real-time clock unit 6, local serial ports unit 7, usb interface unit 8.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and for example, the present invention is further elaborated.Should be appreciated that described herein giving an example only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is a kind of wlan network method for testing and analyzing schematic diagram of invention; The method is drawn together wlan network monitoring equipment and server, and equipment and server are by LAN(cable network) or WLAN wireless network communicate.
Monitoring of equipment, test, analysis wlan network covering quality, send to server platform by lan network or WLAN wireless network test and analysis result.Server presents test analysis form, in the time having network data alarm, informs Network Management and Maintenance personnel by note or EMAIL.
Equipment composition frame chart as shown in Figure 2, is mainly made up of POE interface unit unit 1, power conversion unit 2, WIFI modular unit (containing antenna) 3, CPU (CPU) 4, memory cell 5, real-time clock (RTC) unit 6, local serial ports 7, usb interface unit 8; Wherein POE interface unit provides RJ45 interface, as wired lan port communications, and provides power supply by netting twine to equipment; WIFI module 3 is connected by USB interface with CPU 4, mainly monitors WLAN wireless network state and test WLAN wireless network performance; Memory cell 5 is connected with CPU 4 by parallel bus mode; Real-time clock unit 6 is connected with CPU 4 by I2C bus, for equipment provides real-time time accurately; Local serial ports 8 is downloaded and debugging for software; USB interface is for large data disk expansion, and storage wlan network packet capturing data, analyze network failure and user behavior.
Fig. 3 is POE interface unit electrical schematic diagram.POE interface unit mainly comprises netting twine POE power pack and internet transmission of virtual laboratory.POE power pack is mainly made up of assemblies such as J1, U2, D1, D2, U1, Q1, Q2, T1, T2 and peripheral relevant capacitance-resistances thereof.J1 is that RJ45 interface, U2 are the incoming end of network transformer composition netting twine and power supply; Input POE power supply is input to U1 through rectifier bridge D1, D2, and U1 is highly integrated PD power interface control chip, band PWM output interface, and monitoring POE input voltage, and adjust PWM output; Q1, Q2 are NMOS pipe, and T1, T2 are POE transformer, and they and associated component composition DC-DC translation function parts thereof, be converted to POE input voltage the DC5V that device systems needs.Internet transmission of virtual laboratory is mainly made up of J1, U2, Y1, U5, and J1 and U2 are network cable input, and Y1 is active crystal oscillator, and U5 is 10/100 network PHY interface, is connected to the RMII bus of CPU element, realizes cable network data communication.
Fig. 4 is power conversion unit electrical schematic diagram.U2(SPX1117-3.3), U3(SPX1117-1.8), C5(10uF/10V), C6(10uF/10V), C7(0.1uF/50V), C8(10uF/10V) composition, U2(SPX1117-3.3) the 5V power supply of POE power subsystem output is converted into 3.3V power supply, U3(SPX1117-1.8) 3.3V power supply is converted into 1.8V power supply.5V is device systems power supply, and 3.3V power supply and 1.8V power supply are powered to CPU (CPU).C5(10uF/10V), C6(10uF/10V), C7(0.1uF/50V), C8(10uF/10V) play power filter effect, U2(SPX1117-3.3), U3(SPX1117-1.8) output voltage more stable, ripple is less.
Fig. 5 is WIFI modular unit schematic diagram.Wireless WIFI modular unit is mainly made up of J5, U6 and some resistance capacitances.J5 is wireless WIFI network interface card module, is connected to CPU control unit by USB interface; U6 is the switching device of the USB interface power supply of control, when EN pin (CPU control unit control pin) is while being high, switch conduction, USB supplies power to WIFI module, can normally work, when EN pin (CPU control unit control pin) is low, switch closure, WIFI module USB power-off, does not work.
Fig. 6 is CPU electrical schematic diagram.CPU is mainly by U11(master cpu AT91SAM9260-CU), Y1(resonant crystal 18.432MHZ), Y2(CPU kernel clock crystal 32.768KHZ), U25(reset chip MCP1316T-29), J5(JTAG emulator interface) form.Wherein Y1, Y2 provide operation clock for U11, and U12 provides power-on reset signal and watchdog reset signal for U6.
Fig. 7 is memory cell electrical schematic diagram.Memory cell is mainly made up of U16, U17, U18, J10 and relevant capacitance-resistance thereof.Memory cell adopts simple EEPROM(EEPROM (Electrically Erasable Programmable Read Only Memo)), DATA FLASH and NAND FLASH composition.J10, for expansion SD card socket, if system memory space is inadequate, can take SD card extension storage space.U16(NANDFLASH) communicate by letter by parallel bus with the CPU in CPU; U17(DATA FLASH) communicate by letter by spi bus with the CPU in CPU; U18(EEPROM) CPU and in CPU is by I2C bus communication.
Fig. 8 is RTC unit electrical schematic diagram.RTC unit is mainly by U26(real-time timepiece chip PCF8563), D22(general-purpose diode), D23(general-purpose diode), Y4(resonant crystal) and some electric capacity form.Wherein Y4 provides clock accurately for U26, and D9 and D10 complete the switching of main power source and button cell power supply, while having made electricity, is U26 power supply by main power source, when power down, is U26 power supply by button cell, and temporal information is not lost in the time of system power failure.
Fig. 9 is local serial port power schematic diagram.Local serial ports is mainly by U19(level transferring chip MAX3232), J14, J18 and some electric capacity forms.Wherein U19 is 3.3V TTL(transistor-transistor logic level) signal converts RS232 level to.
Figure 10 is USB interface electrical schematic diagram.USB interface is mainly made up of J12, J13 and some electric capacity.Wherein J12 is USBHOST, for the derivation of local test data; J13 is USB DEVICE, for the upgrading of CPU bottom boot.
The operation principle of a kind of wlan network method for testing and analyzing of the present invention is described below in conjunction with Fig. 1 ~ Figure 10:
1), the CPU on equipment is by controlling the AP state of the local network coverage in WIFI module scanning place, acquisition relevant parameter: Essid, Bssid, Channel, Signal level, Noise, Bit Rates; ;
2), the instruction of equipment receiving platform or timing be to specifying the AP of MAC Address to carry out performance test, comprising: portal authentication test, ping test, FTP test, HTTP download test, DHCP test, EMMIL test etc.;
3), device statistics analytical test result, test result and analysis report are reported to network management platform;
4), the result of network management platform statistical test AP, and abnormal network data (as high in packet loss, authentication success rate is low, FTP speed of download is low etc.) relevant AP is listed in to alarm item;
5), network management platform is transmitted to Network Management and Maintenance personnel by note or EMIAL the fault warning information of relevant AP;
6), equipment regularly or by platform instruction arranges the simulation AP of operator focus, during adding up this, connect the user's who comes up quantity and analyze the type of user terminal on connecting, be reported to network management platform, understand user as operator dynamic, strengthen the foundation that wlan network is built;
7), network management platform designated equipment opening network packet capturing pattern, equipment control WIFI module, captures all packets that comprises 802.11 frames in wlan network, data upload is to network management center, analysis user behavior or Network Search fault.
The above is to be only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvement and modification, these improvement and modification also should be considered as protection scope of the present invention.
Claims (5)
1. a wlan network test analysis equipment, is characterized in that, comprises power conversion unit, WIFI modular unit, CPU, real-time clock unit, memory cell, POE interface unit, usb interface unit and local serial ports unit composition; Wherein WIFI modular unit is connected by USB interface with CPU; Real-time clock unit is connected with CPU by I2C bus; Memory cell is connected with CPU by parallel bus; POE interface unit is for network interface power supply and transmission data; Usb interface unit can be expanded mass storage, for wlan network data packet capturing storage; Local serial ports unit is for software download, debugging and parameter configuration; Described POE interface unit comprises netting twine POE power pack and internet transmission of virtual laboratory, POE power pack is made up of J1, U2, D1, D2, U1, Q1, Q2, T1, T2 and peripheral resistance capacitance thereof, and J1 is that RJ45 interface, U2 are the incoming end of network transformer composition netting twine and power supply; Input POE power supply is input to U1 through rectifier bridge D1, D2, and U1 is highly integrated PD power interface control chip, band PWM output interface, and monitoring POE input voltage is also adjusted PWM output; Q1, Q2 are NMOS pipe, and T1, T2 are POE transformer, and composition DC-DC translation function parts are converted to POE input voltage the DC5V that device systems needs; Internet transmission of virtual laboratory is made up of J1, U2, Y1, U5, and J1 and U2 are network cable input, and Y1 is active crystal oscillator, and U5 is 10/100 network PHY interface, is connected to the RMII bus of CPU.
2. wlan network test analysis equipment according to claim 1, it is characterized in that: described test analysis equipment is by wired network interface or WLAN wireless network, wlan network test result or analysis report are uploaded onto the server, test result information is resolved and show.
3. wlan network test analysis equipment according to claim 1, is characterized in that: described WIFI modular unit is made up of J5, U6 and some resistance capacitances, J5 is wireless WIFI network interface card module, is connected to CPU by USB interface; U6 is the switching device of USB interface power supply of controlling, when EN pin is while being high, and switch conduction, USB supplies power to WIFI modular unit, can normally work, when EN pin is low, switch closure, the USB power-off of WIFI modular unit, does not work.
4. wlan network test analysis equipment according to claim 1, it is characterized in that: described real-time clock unit is made up of U26 real-time timepiece chip PCF8563, diode D22, diode D23, Y4 resonant crystal and some electric capacity, wherein Y4 provides clock accurately for U26, D9 and D10 have been used for the switching of main power source and button cell power supply, while having made electricity, being U26 power supply by main power source, is U26 power supply by button cell when power down.
5. an analytical method that adopts wlan network test analysis equipment as claimed in claim 1, is characterized in that: the testing procedure of the method is as follows:
1), the CPU on test analysis equipment is by controlling the AP state of the local network coverage in WIFI modular unit scanning place, acquisition relevant parameter: Essid, Bssid, Channel, Signal level, Noise and Bit Rates;
2), the reception server instruction of test analysis equipment or timing be to specifying the AP of MAC Address to carry out performance test, comprising: portal authentication test, ping test, FTP test, HTTP download test, DHCP test and EMAIL test;
3), test analysis device statistics analytical test result, test result and analysis report are reported to server;
4), server is added up AP test result, and abnormal network data relevant AP is listed in to alarm item;
5), server is transmitted to Network Management and Maintenance personnel by note or EMIAL warning information;
6), test analysis equipment regularly or by server instruction arranges the simulation AP of operator focus, connects the user's who comes up quantity and analyzes the type of user terminal on connecting during adding up this, is reported to server;
7), server nominative testing analytical equipment opening network packet capturing pattern, test analysis control WIFI modular unit, captures all packets that comprises 802.11 frames in wlan network, data upload is to server, analysis user behavior or Network Search fault.
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| CN104113856B (en) * | 2014-07-24 | 2017-09-29 | 工业和信息化部通信计量中心 | Suitable for the equipment performance test system and method for testing of wlan network |
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| CN109951858B (en) * | 2017-12-21 | 2022-07-08 | 深圳Tcl新技术有限公司 | Network optimization method based on WIFI communication, intelligent terminal and storage medium |
| CN108419256B (en) * | 2018-03-16 | 2020-12-15 | 四川长虹电器股份有限公司 | Wifi test optimization system and method |
| CN109688603B (en) * | 2018-03-30 | 2021-03-23 | 新华三技术有限公司 | Network diagnosis method, device and machine readable storage medium |
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