CN101835061A - Wireless network tester and information detection processing method thereof - Google Patents
Wireless network tester and information detection processing method thereof Download PDFInfo
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- CN101835061A CN101835061A CN200910047416A CN200910047416A CN101835061A CN 101835061 A CN101835061 A CN 101835061A CN 200910047416 A CN200910047416 A CN 200910047416A CN 200910047416 A CN200910047416 A CN 200910047416A CN 101835061 A CN101835061 A CN 101835061A
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Abstract
The invention provides a WiFi wireless network tester, which comprises an embedded processor platform (10), a wireless AP interface (20), a record storage (40), a power supply (30), an expansion module (70) and a liquid crystal display (60). The WiFi wireless network tester is characterized in that: the embedded processor platform (10) comprises a microprocessor (11), an NOR FLASH memory (12), an SDRAM dynamic memory (13) and an NAND FLASH memory (14). The wireless network tester has excellent and strong performance, friendly user interface, simple operation, convenient use for constructors and can be widely applied to construction and on-site maintenance of the WiFi wireless network. By applying the wireless network tester, the construction period and construction and maintenance cost for the WiFi wireless network can be reduced.
Description
Technical field
The present invention relates to adopting wireless fidelity technology WiFi (Wireless Fidelity) network in a kind of field of wireless, what be specifically related to is a kind of wireless network tester and information detection processing method thereof.
Background technology
At present, wireless access technology mainly comprises 802.11,802.15,802.16 and 802.20 standards of IEEE, is respectively WLAN (wireless local area network) WLAN, Wireless Personal Network WPAN, bluetooth, wireless MAN WMAN etc.Wherein based on the WLAN (wireless local area network) access technology of the 802.11 agreements adopting wireless fidelity technology WiFi (Wireless Fidelity) that is otherwise known as.
First version of WiFi is published in 1997, has wherein defined medium access access control layer (MAC layer) and physical layer.Physical layer has defined 2 kinds of wireless frequency modulation modes on the ISM band that is operated in 2.4GHz and a kind of mode of infrared transmission, and overall data transmission rate is designed to 2Mbit/s.Communication between 2 equipment can the free directly mode of (ad hoc) be carried out, and also can carry out under the coordination of base station BS (Base Station) or accessing points AP (Access Point).Increase by 2 additional version: 802.11a in 1999 and defined the physical layer that message transmission rate on the 5GHz ISM band can reach 54Mbit/s; 802.11b defined on the ISM band of 2.4GHz but message transmission rate up to the physical layer of 11Mbit/s.2.4GHz ISM band for overwhelming majority of countries is general in the world, so 802.11b has obtained the most widely using.Industrial quarters had been set up WiFi alliance in 1999, endeavoured to solve the production and the equipment compatibility problem of the product that meets 802.11 standards.802.11 the formulation situation of the standard and the standard of replenishing is as follows: 802.11, primary standard (2Mbit/s is operated in 2.4GHz); 802.11a physical layer is replenished (54Mbit/s is operated in 5GHz); 802.11b physical layer is replenished (11Mbit/s is operated in 2.4GHz); 802.11c, meet media access control layer (MAC) bridge joint (MAC Layer Bridging) of 802.1D; 802.11d, the adjustment of being done according to various countries' radio regulation; 802.11e, to the support of grade of service QoS (QualityofService); 802.11f, the interconnectivity of base station (Interoperability); 802.11g physical layer is replenished (54Mbit/s is operated in 2.4GHz); 802.11h, the adjustment of wireless coverage radius, indoor (indoor) and outdoor (outdoor) channel (5GHz frequency range); 802.11i, the replenishing of safety and authentication (Authentification) aspect; 802.11n, import multiple input and output (MIMO) technology, be the extension version of 802.11a basically.
The advantage that the WiFi technology is outstanding is: wider local area network (LAN) coverage, covering radius can reach about 100 meters; Transmission speed is fast, can reach 11mbps (802.11b) or 54mbps (802.11a), is fit to the business of high speed data transfer; Need not connect up, can not be subjected to the restriction of wiring condition, therefore be fit to very much mobile office user's needs; Healthy and safe, the transmitting power of IEEE802.11 regulation can not surpass 100 milliwatts, between about 60～70 milliwatts of actual emission power, and about 200 milliwatts of the transmitting power of mobile phone～1 watt.
In wireless network construction and maintenance process, can run into many problems.Whether have basic transmission conditions (as whether co-channel interference or the like is arranged) such as, the space that needs clearly will to dispose wireless network; How to dispose AP and could make that coverage is the most comprehensive, laser propagation effect is best, reduces investment outlay most; Whether the AP that disposes covers well, and non-blind area is arranged; Whether the wireless network operation is normal, has or not security threat, or the like.Wireless network tester can carry out Measurement and analysis to surrounding space, and the problem above solving is carried out the construction and the maintenance of wireless network well.
Summary of the invention
The object of the invention provides a kind of WiFi wireless network tester, and good and powerful performance is arranged, and user interface close friend is simple to operate, and the convenient construction personnel use, and construction, the maintenance that can be widely used in the WiFi wireless network are on-the-spot.Use this wireless network tester, can reduce building time, construction and the maintenance cost of WiFi wireless network.
In order to achieve the above object, technical scheme of the present invention is:
A kind of wireless network tester, comprise embedded processor platform (10), wireless aps interface (20), record storage (40), power supply (30), expansion module (70) and liquid crystal display screen (60), wherein, described embedded processor platform (10) comprises microprocessor (11), NOR FLASH memory (12), SDRAM dynamic memory (13) and NAND FLASH memory (14);
The I/O pin of described microprocessor (11) respectively with described NOR FLASH memory (12), SDRAM dynamic memory (13) links to each other with NAND FLASH memory (14);
Wireless aps interface (20) is connected with wireless network detection module (15) on the embedded processor platform (10);
Record storage (40) is connected with data processing module (50) with wireless network detection module (15) respectively.
Above-mentioned wireless network tester, wherein, described expansion module (70) is connected the computing of auxiliary data processing module with data processing module (50).
Above-mentioned wireless network tester, wherein, described expansion module (70) is an external memory, data processing module is with in the direct output valve external memory of deal with data.
Above-mentioned wireless network tester, wherein, described expansion module (70) is one to have the external memory of process software, and the data result in the data processing module is further handled.
Above-mentioned wireless network tester, wherein, described power supply (30) is connected on the described embedded processor platform (10), and power supply is opened by switch control, and wireless network detection module (15) is opened operation after the platform charging.
Above-mentioned wireless network tester wherein, only comprises NOR FLASH memory (12), and one or both in SDRAM dynamic memory (13) and the NAND FLASH memory (14) are connected with the I/O stitch of microprocessor, make designs simplification.
A kind of input processing method that is used for wireless network tester comprises the steps:
Above-mentioned input processing method, wherein, the link information that writes down in the wireless connections in the step 130 comprises: performance index such as the corresponding connection speed of respective wireless interface, retransmission rate, packet loss, and note the SNR signal to noise ratio, and the available bandwidth interval.
Above-mentioned input processing method, wherein, input processing method according to claim 7, it is characterized in that, the AP of different frequency is detected in a underrange simultaneously, and corresponding AP label identified, to show that different AP interfaces is at specifying informations such as wireless network signal strength that the test point position was provided, connection states.
Above-mentioned input processing method, wherein, whether described determining step for measuring, will no longer be measured the AP interface of having measured with definite concrete AP interface of measuring by calling the information in the corresponding record storage.
The present invention makes it compared with prior art owing to adopt above technical scheme, has the following advantages and good effect:
Support various modes, can scan all 802.11 frequency ranges, comprise all passages in 2.4GHz and the 5GHz frequency range, and with patterned form demonstration, from these charts, can check configuration whether rationally, the SNR signal to noise ratio is what, how many utilizable bandwidth has and reach other relevant issues, carries out effective interference analysis, safety analysis.Its major function is as follows:
(1) identification signal coverage and blind spot;
(2) RF in the identified region disturbs and noise;
(3) identify customer end random zone;
(4) performance index such as the connection speed of detection end user reality, retransmission rate, packet loss;
(5) check SNR signal to noise ratio, utilizable bandwidth;
(6) security threat detects.
Description of drawings
Fig. 1 is the workflow diagram of wireless network tester of the present invention;
Fig. 2 is the structural representation of wireless network tester of the present invention.
Embodiment
This WiFi wireless network tester has good and powerful performance, and user interface close friend is simple to operate, and the convenient construction personnel use, and construction, the maintenance that can be widely used in the WiFi wireless network are on-the-spot.Use this wireless network tester, can reduce building time, construction and the maintenance cost of WiFi wireless network.
Further the present invention is described in detail below in conjunction with the drawings and specific embodiments.
At first, the concrete operations flow process of wireless network tester of the present invention is described, as shown in Figure 1, comprises step:
In addition, whether described determining step can, will no longer be measured the AP interface of having measured for measuring with definite concrete AP interface of measuring by calling the information in the corresponding record storage.
Further, in conjunction with the application note of the inventive method in WiFi wireless network tester table
On the other hand, in the understanding scope of the those of ordinary skill in the technology of the present invention field, the foregoing description can carry out following improvement and variation, comprising:
1) in specific embodiments described in the invention, employing be that the SDRAM dynamic memory links to each other with NAND FLASH memory with the I/O stitch and the NOR FLASH memory of microprocessor.Adopt the three to make up the mode of utilization, in fact, also can only adopt wherein two kinds or a kind of data processing method as required, to save cost and further to simplify wireless network tester equipment of the present invention.
2) in specific embodiments described in the invention, what adopt is the mode that detects by domain scanning according to frequency separation, yet according to actual conditions, also can be in a reasonable range, carry out synchronous detecting one time, the AP of different frequency is detected in a underrange simultaneously, and corresponding AP label is identified, to show that different AP interfaces is at specifying informations such as wireless network signal strength that the test point position was provided, connection states.
3) result's the way of output can have multiple mode, except showing on display interfaces, can also output to file, as in the external memory in the expansion module etc.
Secondly, structure of the present invention is described, as shown in Figure 2,
WiFi wireless network tester of the present invention is mainly by embedded processor platform 10, wireless network test interface 20, and power supply 30, selftest module 70, USB control chip 40 constitutes.Wherein:
Embedded processor platform 10 is core components of the present invention, it is by microprocessor 11, stores the NOR FLASH memory 12, of realizing wireless network measuring ability software and provide the SDRAM dynamic memory 13 in software dynamic operation space and the NAND FLASH memory 14 of storage wireless network test data to constitute; The I/O pin of microprocessor respectively with the linking to each other of above-mentioned three memories, constitute wireless network detection module 15, thereby realize wireless network performance and safety test function.
Wireless aps interface 20 respectively with embedded processor platform 10 in wireless network detection module 15 be connected with wireless network card, be responsible for the test wireless network, and the wireless network card response data that receives be back to flush bonding processor.
Power supply 30 is mainly whole device working power is provided, and the present invention adopts built-in high-octane clang battery and external adapter dual mode to provide power supply for whole device.
Record storage 40 is connected with data processing module 50 with wireless network detection module 15 respectively, is responsible for carrying out data record and cooperates follow-up calculation process, and the data after the processing are sent to memory 12,13,14 via arithmetic unit.
Expansion module 70 is connected with data processing module 50, and expansion module is generally external memory, can be used for result and directly exports in the external storage.In addition, also can deposit data processor in the expansion module, form specific output result to help data processing module 50.
Power supply 30 is connected on the embedded processor platform 10, and power supply is opened by switch control, and spider lines detection module (15) is opened operation after the platform charging.
The present invention also comprises the liquid crystal display screen 60 that is used to show test results, and liquid crystal display screen 60 is display devices of a kind of embodiment of the present invention, in order to show test results and to carry out parameter configuration.
Concrete function of the present invention comprises:
(1) signal fault
Be different from cable network, the performance of wireless network can be affected with the change in location and the environmental change of AP and client.When a client roams into the very weak place of RF signal, the blind area that may cause wireless network.Influence can be brought to some application in these blind areas, and for example the VoIP based on wireless network uses.So concerning the diagnosis of RF signal fault, just like wiring test and diagnosis in cable network, be the quality and the performance evaluation technology of physical layer.
When the user runs into the wireless connections fault, technical staff's use test instrument can successfully be logined wireless network from client location, and problem may be in the configuration or the authority of client device so.If tester can not be connected to server, problem may be aspect the physical layer of wireless network.In addition, not having that enough bandwidth, request queue are overtime, conflict is disturbed etc. also may be the root of fault.
The technical staff uses the wireless network tester can measure signal intensity and the performance of AP from abort situation scanning wireless network environment.Under Passive Mode, the wireless network card of tester receives only signal, does not send data.If the RF quality can meet the demands, the keeper can login wireless network with client mode and tests so, for example logins test, PING and testing throughput.And, judge the interference source of WiFi network and the type of interference.
(2) safety test
Wireless network is dynamic, after deployment is finished, sometimes because of artificial mistake, brings some undelegated equipment into because of increasing wireless network access coverage sometimes.Many times, because wireless network is that access service is provided in three dimensions, undelegated AP may connect to come in.In addition, also may be because design mistake causes this result.
From the angle of safety, according to prediction, 70% malicious attack meeting is that the security breaches that the error configurations by AP or client causes cause.The wireless test instrument can help the configuration of technical staff's periodical audit AP and client, checks whether these configurations meet corporate security policy.
In WLAN, even AP or website fail to carry out suitable safety measure, whole network all can meet with risk.In addition, in order to protect whole enterprise, it is necessary setting several different security strategies.Wireless network tester can allow the technical staff according to the situation of wireless network, selects desirable safety measure and monitors.The agreement of supporting comprises:
·WEP ·EAP-FAST ·TKIP ·L2TP?VPN ·TTLS
·Fortress ·LEAP ·WPA ·802.11i ·SSH?V?PN
·TLS ·Cranite ·PEAP ·PPTP?VPN ·802.1x
·IPSEC?VPN
If the WPA network is selected by enterprise, PEAP is a kind of effective authorization so, and the keeper need confirm that all AP are configured to PEAP.
The present invention has good and powerful performance, and user interface close friend is simple to operate, and the convenient construction personnel use, and construction, the maintenance that can be widely used in the WiFi wireless network are on-the-spot.Use this wireless network tester, can reduce building time, construction and the maintenance cost of WiFi wireless network.
Claims (10)
1. wireless network tester, comprise embedded processor platform (10), wireless aps interface (20), record storage (40), power supply (30), expansion module (70) and liquid crystal display screen (60), it is characterized in that, described embedded processor platform (10) comprises microprocessor (11), NOR FLASH memory (12), SDRAM dynamic memory (13) and NAND FLASH memory (14);
The I/O pin of described microprocessor (11) respectively with described NOR FLASH memory (12), SDRAM dynamic memory (13) links to each other with NAND FLASH memory (14);
Wireless aps interface (20) is connected with wireless network detection module (15) on the embedded processor platform (10);
Record storage (40) is connected with data processing module (50) with wireless network detection module (15) respectively.
2. wireless network tester according to claim 1 is characterized in that, described expansion module (70) is connected the computing of auxiliary data processing module with data processing module (50).
3. wireless network tester according to claim 2 is characterized in that, described expansion module (70) is an external memory, and data processing module is with in the direct output valve external memory of deal with data.
4. wireless network tester according to claim 2 is characterized in that, described expansion module (70) is one to have the external memory of process software, and the data result in the data processing module is further handled.
5. wireless network tester according to claim 1 is characterized in that, described power supply (30) is connected on the described embedded processor platform (10), and power supply is opened by switch control, and wireless network detection module (15) is opened operation after the platform charging.
6. wireless network tester according to claim 1, it is characterized in that, only comprise NORFLASH memory (12), one or both in SDRAM dynamic memory (13) and the NAND FLASH memory (14) are connected with the I/O stitch of microprocessor, make designs simplification.
7. an input processing method that is used for wireless network tester is characterized in that, comprises the steps:
Step 110, beginning: behind the instrument internal electric power starting, the wireless network detection module promptly begins preheating, operation;
Step 120, inquiry wireless aps interface: by the radio detection module searches usable interface in the wireless network test interface around, and relevant interface message is back to the detection module of wireless network tester, and further is sent to processing module;
Step 130, wireless connections: after confirming available interface message, be connected, note link information according to actual connection situation simultaneously and be stored in the wireless network tester with this wave point;
Step 140, data processing: the data according to record in the step 130 are further calculated and are analyzed, and draw a diagram, and treated data are deposited in the storage medium;
Step 150, the information that combination is obtained: integrate by the information that will be stored in the medium, obtain the comprehensive information of an interface;
Step 160, output result:, show by LCDs output with the result after the combined treatment;
Step 170 is judged frequency: after result's output, judge whether frequency separation that institute is surveyed has satisfied the peak frequency interval, as also have undeterminate frequency separation, then return the beginning step and proceed detection; As measuring all frequency separations, then finish.
Step 180, finish: stop the test side running, but still recording reservation data and treatment progress.
8. input processing method according to claim 7, it is characterized in that, the link information that writes down in the wireless connections in the step 130 comprises: performance index such as the corresponding connection speed of respective wireless interface, retransmission rate, packet loss, and note the SNR signal to noise ratio, and the available bandwidth interval.
9. input processing method according to claim 7, it is characterized in that, the AP of different frequency is detected in a underrange simultaneously, and corresponding AP label identified, to show that different AP interfaces is at specifying informations such as wireless network signal strength that the test point position was provided, connection states.
10. input processing method according to claim 7, it is characterized in that, whether described determining step for measuring, will no longer be measured the AP interface of having measured with definite concrete AP interface of measuring by calling the information in the corresponding record storage.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102026348A (en) * | 2010-12-23 | 2011-04-20 | Tcl集团股份有限公司 | Power management method and device for portable 3G wireless internet device |
| CN102547830A (en) * | 2011-12-31 | 2012-07-04 | 三维通信股份有限公司 | Multimode network road tester based on ARM (Advanced RISC Machines) Cortex-A8 processor |
| CN104579852A (en) * | 2015-01-30 | 2015-04-29 | 国家电网公司 | Detector, detecting system and WiFi (wireless fidelity) network MAC (media access control) layer detecting method |
| CN106034053A (en) * | 2015-03-17 | 2016-10-19 | 上海共联通信信息发展有限公司 | Gateway overhauling apparatus supporting multiple transmission modes |
| CN106162713A (en) * | 2015-04-16 | 2016-11-23 | 上海共联通信信息发展有限公司 | A kind of long-distance service test device of wireless aps |
| CN107509214A (en) * | 2017-08-30 | 2017-12-22 | 深圳鲲鹏无限科技有限公司 | A kind of more radio frequency link wireless routers and method for diagnosing faults |
| CN108112032A (en) * | 2018-02-27 | 2018-06-01 | 四川斐讯信息技术有限公司 | A kind of display methods and wireless router of wireless performance parameter |
| CN108174404A (en) * | 2017-12-14 | 2018-06-15 | 无锡路通视信网络股份有限公司 | A kind of ethernet test equipment and method |
| CN110896549A (en) * | 2020-01-02 | 2020-03-20 | 深圳市高德信通信股份有限公司 | Wireless network equipment connection test system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102026348A (en) * | 2010-12-23 | 2011-04-20 | Tcl集团股份有限公司 | Power management method and device for portable 3G wireless internet device |
| CN102026348B (en) * | 2010-12-23 | 2013-07-24 | Tcl集团股份有限公司 | Power management method and device for portable 3G wireless internet device |
| CN102547830A (en) * | 2011-12-31 | 2012-07-04 | 三维通信股份有限公司 | Multimode network road tester based on ARM (Advanced RISC Machines) Cortex-A8 processor |
| CN104579852A (en) * | 2015-01-30 | 2015-04-29 | 国家电网公司 | Detector, detecting system and WiFi (wireless fidelity) network MAC (media access control) layer detecting method |
| CN104579852B (en) * | 2015-01-30 | 2018-06-05 | 国家电网公司 | A kind of detector, detecting system and WiFi network MAC layer detection method |
| CN106034053A (en) * | 2015-03-17 | 2016-10-19 | 上海共联通信信息发展有限公司 | Gateway overhauling apparatus supporting multiple transmission modes |
| CN106162713A (en) * | 2015-04-16 | 2016-11-23 | 上海共联通信信息发展有限公司 | A kind of long-distance service test device of wireless aps |
| CN107509214A (en) * | 2017-08-30 | 2017-12-22 | 深圳鲲鹏无限科技有限公司 | A kind of more radio frequency link wireless routers and method for diagnosing faults |
| CN107509214B (en) * | 2017-08-30 | 2021-04-20 | 深圳鲲鹏无限科技有限公司 | Multi-radio-frequency link wireless router and fault diagnosis method |
| CN108174404A (en) * | 2017-12-14 | 2018-06-15 | 无锡路通视信网络股份有限公司 | A kind of ethernet test equipment and method |
| CN108112032A (en) * | 2018-02-27 | 2018-06-01 | 四川斐讯信息技术有限公司 | A kind of display methods and wireless router of wireless performance parameter |
| CN110896549A (en) * | 2020-01-02 | 2020-03-20 | 深圳市高德信通信股份有限公司 | Wireless network equipment connection test system |
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Application publication date: 20100915 |