CN1731746A - WLAN RF index automatic test system - Google Patents
WLAN RF index automatic test system Download PDFInfo
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- CN1731746A CN1731746A CN 200510028908 CN200510028908A CN1731746A CN 1731746 A CN1731746 A CN 1731746A CN 200510028908 CN200510028908 CN 200510028908 CN 200510028908 A CN200510028908 A CN 200510028908A CN 1731746 A CN1731746 A CN 1731746A
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Abstract
This invention relates to a system for auto-testing wireless LAN RF index, belonging to auto-controlling technology field, which adopts WLAN test equipment as flat form, comprising frequency spectrograph E4445A, signal source E4438C, danamometer E4416A, signalyzerE8408A and programmable fader 11713A and so on, using IEEE488 bus and its communication protocol via software programming to actualize auto-test of WLAN RF unit. The software is composed of a basic driving block, a bar-code scanning block, a power-testing block, a waveform testing and analyzing block, a minimum sensitivity testing block, a throughput testing block and a database-generating block. The invention use present testing equipment to actualize the auto-testing of wireless LAN RF unit function, and judges the test and improves service efficiency of the system and productivity in batch.
Description
Technical field
The invention belongs to the automatic control technology field, be specifically related to a kind of Auto-Test System of wireless lan (wlan) radio-frequency (RF) index.It is that WLAN testing equipment with Agilent (Aglient) company is a platform, these testers comprise: frequency spectrograph: the E4445A signal source: the E4438C power meter: the E4416A signal analyzer: E8408A programmable attenuator: 11713A etc., use IEEE488 bus and communication protocol thereof to realize the test automation of WLAN radio frequency unit by software programming.
Background technology
Generally, in the WLAN (wireless local area network) production process,, need use corresponding instrument to be connected respectively, by the guidance panel button, test, and manually read test result then, make corresponding conclusion with equipment under test at each test event.Because radio frequency testing equipment is relatively expensive, and owing to do not realize test automation, cause radio frequency testing to become a thing quite loaded down with trivial details and with high costs in the production process.Form effective test result data storehouse and analyze out of reach especially automatically.
Summary of the invention
The objective of the invention is to propose a kind of novel, easy to operate, can improve the service efficiency of this test macro greatly, improve the Auto-Test System of the WLAN RF index of mass production capabilities simultaneously greatly.
The framework of WLAN RF index automatic test system proposed by the invention as shown in Figure 1, it (can be the WLAN network interface card by main control computer 1, RS232 serial port adapter 2, equipment under test 3, module, access point even Wireless ADSL), composition such as Agilent E8408 signal analyzer 4, Agilent E4438 signal source 5, Agilent E4404 spectrum analyzer 6, the E4418 of Hewlett-Packard power meter 7, general barcode scanner 8; Wherein, IEEE488 bus adapter and driver thereof are installed on the main control computer 1, and the IEEE488 bus cable by standard is connected with testers such as Agilent E8408 signal analyzer 4, Agilent E4438 signal source 5, Agilent E4404 spectrum analyzer 6, the E4418 of Hewlett-Packard power meter 7 are parallel respectively, and each instrument disposes different addresses respectively and is convenient to host addressing; Main control computer 1 is connected with the RS232 adapter by serial port DB-9 simultaneously.And and then be connected with the serial port of tested machine. operate in main program on main control computer operation and the read test data by total each tester of line traffic control of IEEE488 and compare to analyze and form and judge; Main control computer 1 is is also read and write the related register of equipment under test 3 by serial ports, controls its operating state; Main control computer 1 is gone back the control strip code scanner simultaneously and is read corresponding product bar code, is convenient to form corresponding relational database.
Software of the present invention is overall to be constituted as shown in Figure 2, mainly (comprising: the RS232 drive software by bottom layer driving software, the IEEE488 drive software, barcode scanner drive software and other relevant PC drive softwares etc.), operating system (application software of the present invention runs on the Windows operating system of standard), each application software (comprises the bar code scan application software, the sensitivity test application software, the power test application software, the waveform analysis application software, the testing throughput application software, database generates application software etc.) and formation such as user interface, maintenance/upgrading or transplanting are convenient in each module hierarchical block design.The soft ware autonomous programming of various application software modules for being correlated with at the present invention, remainder is the Windows operating system of standard or the driver that related standards equipment carries.
Among the present invention, the testing software that runs on main control computer can directly carry out commands for controlling to each tester, replace the panel button operation, can the read test data replace manually reading by the IEEE488 bus simultaneously, and according to the specification thresholding formation judgement of importing, the result informs the tester intuitively with the form of PASS/FAIL. each test event has satisfied the basic demand of WLAN (wireless local area network) production test event basically.
Among the present invention, adopt incorporate design, the tester that it is separate with all, programmable attenuator and equipment under test are set up into an organic Auto-Test System, by software programming each separate test event is organized in the Auto-Test System simultaneously, can under situation about switching, finishes the automatic test of all items without any need for artificial hardware.
Function of the present invention mainly contains: sensitivity minimization test and judgement; The maximum power test is judged with index; Testing throughput and judgement; Transmitted waveform is analyzed and is judged (mainly judging the level difference of main lobe and secondary lobe); Bar code scan is also set up the correspondence database of bar code and test result and conclusion automatically; The PASS/FAIL of demonstration directly perceived gives the operator.
Description of drawings
Fig. 1 constitutes block diagram for system.
Fig. 2 is that the software of system is formed diagram.
Fig. 3 is a software overall flow block diagram.
Fig. 4 is the sensitivity minimization test flow chart.
Fig. 5 is the maximum transmission power test flow chart.
Fig. 6 is the waveform analysis test flow chart.
Fig. 7 is the testing throughput flow chart.
Number in the figure: 1 is main control computer, and 2 is the RS232 Serial Adaptation Unit, and 3 is equipment under test, 4 is Agilent E8408 signal analyzer, and 5 is Agilent E4438 signal source, and 6 is Agilent E4404 spectrum analyzer, 7 is the E4418 of Hewlett-Packard power meter, and 8 is general barcode scanner.
Embodiment
Application software of the present invention comprises that bar code scanning application software, sensitivity test application software, power test application software, waveform analysis application software, testing throughput application software and database generate application software etc.These application software run on the Windows operating system of standard.Fig. 3 is a software overall flow block diagram.Its workflow is: after the installation of finishing tester and tested machine, directly carry out basic data initialization and carry out the bar code scanning task, overall software as incident, communicates each test assignment and dispatched by operating system between each related software module with the form of message transmission.In test process, each module is followed similar process, mainly branch into the operation (transmission and the test data that comprise Text Command) of instrument and the operation (be mainly by the RS232 interface and carry out register manipulation) of equipment under test, finish test result obtain and being provided with of equipment under test after, program enters the consistency operation stage, mainly test data and specification value are compared (specification value can be imported by operating personnel) in this stage, and formation is judged, by the generation of database generation module and bar code and date (system time of corresponding with service device) corresponding relational database, software needs the judged result (PASS or FAIL) of form demonstration intuitively in addition.
Fig. 4 to Fig. 7 has shown the workflow of each main modular.Fig. 4 is the sensitivity minimization test flow chart, the groundwork flow process of sensitivity minimization is that the continuous control signal of server source 5 constantly reduces transmitting power, analyze tested machine simultaneously and accept the integrality of data, till data were made mistakes, the transmission power level weighting fixed loss of record this moment just can obtain the sensitivity of accepting of equipment under test.Fig. 5 is the maximum transmission power test flow chart, and its process is simpler relatively, and server is provided with the related register of equipment under test 3, thereby the test data that reads instrument 7 simultaneously obtains maximum transmission power.Fig. 6 is the waveform analysis test flow chart, server is constantly revised the value of tested machine register, reads the level difference of the main lobe of instrument 6 and secondary lobe simultaneously and compares with specification value, by 1/2 approximatioss, constantly adjust, up to satisfy that specification value requires or overtime till.Fig. 7 has provided the testing process of throughput, and this flow process is relatively simple, because the testing throughput program is a relatively independent program module, main program directly calls and gets final product.
Claims (2)
1, a kind of WLAN RF index automatic test system is characterized in that it is made up of main control computer (1), RS232 serial port adapter (2), equipment under test (3), Agilent E8408 signal analyzer (4), Agilent E4438 signal source (5), Agilent E4404 spectrum analyzer (6), the E4418 of Hewlett-Packard power meter (7), general barcode scanner (8) etc.; Wherein, main control computer (1) is gone up IEEE488 bus adapter and driver thereof is installed, and the IEEE488 bus cable by standard walks abreast with Agilent E8408 signal analyzer (4), Agilent E4438 signal source (5), Agilent E4404 spectrum analyzer (6), the E4418 of Hewlett-Packard power meter (7) tester of etc.ing respectively and is connected, and each instrument disposes different addresses respectively and is convenient to host addressing; Main control computer 1 is connected with RS232 adapter (2) by serial port DB-9 simultaneously, and and then be connected with the serial port of tested machine; Operating in main program on the main control computer (1) operation and the read test data by total each tester of line traffic control of IEEE488 compares to analyze and form and judges; Main control computer (1) is is also read and write the related register of equipment under test (3) by serial ports, controls its operating state; Main control computer (1) is gone back control strip code scanner (8) simultaneously and is read corresponding product bar code, is convenient to form corresponding relational database.
2, WLAN RF index automatic test system according to claim 1, it is characterized in that systems soft ware is by bottom layer driving software, operating system, formations such as each application software and user interface, each module hierarchical block design, be convenient to maintenance/upgrading or transplanting: wherein, bottom layer driving software comprises the RS232 drive software, the IEEE488 drive software, the barcode scanner drive software with and relevant PC drive software, application software comprises the bar code scanning drive software, the sensitivity test application software, the power test application software, the waveform analysis application software, hold to tell measuring examination application software and database generation application software, application software runs on the Windows operating system of standard.
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1866800B (en) * | 2006-03-22 | 2010-04-14 | 华为技术有限公司 | Method for carrying out test on transmitter index and test system |
CN101184006B (en) * | 2007-12-07 | 2010-08-25 | 深圳国人通信有限公司 | Test method and system for WLAN equipment index |
CN101852832A (en) * | 2010-04-22 | 2010-10-06 | 芯通科技(成都)有限公司 | Flexibly-extendable automatic testing system platform suitable for testing radio frequency module product |
CN101119168B (en) * | 2007-09-21 | 2010-12-08 | 深圳市虹远通信有限责任公司 | Automatic testing method and system of TDSCDMA integrated module to digital interface |
CN101930397A (en) * | 2010-04-22 | 2010-12-29 | 芯通科技(成都)有限公司 | Implementation method of radio frequency module power amplification universal debugging interface |
CN102034071A (en) * | 2009-09-25 | 2011-04-27 | 神基科技股份有限公司 | Automatic test system and automatic test method for testing bar code identification device |
CN101630157B (en) * | 2009-09-04 | 2011-07-20 | 南京钢铁股份有限公司 | Method for positioning material piling and taking machines of coking coal yard and system thereof |
CN102281561A (en) * | 2010-06-11 | 2011-12-14 | 中兴通讯股份有限公司 | Wireless local area network card testing device and method |
CN103164311A (en) * | 2011-12-16 | 2013-06-19 | 环旭电子股份有限公司 | Method for automatically testing communication function of object to be tested |
CN103217653A (en) * | 2013-03-28 | 2013-07-24 | 深圳市安众电气有限公司 | Aging device for radio frequency power supply of laser |
CN103488543A (en) * | 2012-06-07 | 2014-01-01 | 亚旭电脑股份有限公司 | Verification Test System |
CN104394544A (en) * | 2014-12-19 | 2015-03-04 | 上海斐讯数据通信技术有限公司 | Automatic radio frequency test method for WiFi (Wireless Fidelity) product |
CN113014334A (en) * | 2020-11-03 | 2021-06-22 | 利尔达科技集团股份有限公司 | Test system and test method of UWB positioning module |
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2005
- 2005-08-18 CN CN200510028908A patent/CN100596079C/en not_active Expired - Fee Related
Cited By (19)
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CN1866800B (en) * | 2006-03-22 | 2010-04-14 | 华为技术有限公司 | Method for carrying out test on transmitter index and test system |
CN101119168B (en) * | 2007-09-21 | 2010-12-08 | 深圳市虹远通信有限责任公司 | Automatic testing method and system of TDSCDMA integrated module to digital interface |
CN101184006B (en) * | 2007-12-07 | 2010-08-25 | 深圳国人通信有限公司 | Test method and system for WLAN equipment index |
CN101630157B (en) * | 2009-09-04 | 2011-07-20 | 南京钢铁股份有限公司 | Method for positioning material piling and taking machines of coking coal yard and system thereof |
CN102034071B (en) * | 2009-09-25 | 2014-07-09 | 神基科技股份有限公司 | Automatic test system and automatic test method for testing bar code identification device |
CN102034071A (en) * | 2009-09-25 | 2011-04-27 | 神基科技股份有限公司 | Automatic test system and automatic test method for testing bar code identification device |
CN101930397B (en) * | 2010-04-22 | 2012-07-25 | 成都芯通科技股份有限公司 | Implementation method of radio frequency module power amplification universal debugging interface |
CN101930397A (en) * | 2010-04-22 | 2010-12-29 | 芯通科技(成都)有限公司 | Implementation method of radio frequency module power amplification universal debugging interface |
CN101852832B (en) * | 2010-04-22 | 2013-02-27 | 成都芯通科技股份有限公司 | Flexibly-extendable automatic testing system platform suitable for testing radio frequency module product |
CN101852832A (en) * | 2010-04-22 | 2010-10-06 | 芯通科技(成都)有限公司 | Flexibly-extendable automatic testing system platform suitable for testing radio frequency module product |
CN102281561A (en) * | 2010-06-11 | 2011-12-14 | 中兴通讯股份有限公司 | Wireless local area network card testing device and method |
CN102281561B (en) * | 2010-06-11 | 2016-08-03 | 中兴通讯股份有限公司 | A kind of wireless network card testing device and method of testing |
CN103164311A (en) * | 2011-12-16 | 2013-06-19 | 环旭电子股份有限公司 | Method for automatically testing communication function of object to be tested |
CN103164311B (en) * | 2011-12-16 | 2015-04-29 | 环旭电子股份有限公司 | Method for automatically testing communication function of object to be tested |
CN103488543A (en) * | 2012-06-07 | 2014-01-01 | 亚旭电脑股份有限公司 | Verification Test System |
CN103217653A (en) * | 2013-03-28 | 2013-07-24 | 深圳市安众电气有限公司 | Aging device for radio frequency power supply of laser |
CN104394544A (en) * | 2014-12-19 | 2015-03-04 | 上海斐讯数据通信技术有限公司 | Automatic radio frequency test method for WiFi (Wireless Fidelity) product |
CN113014334A (en) * | 2020-11-03 | 2021-06-22 | 利尔达科技集团股份有限公司 | Test system and test method of UWB positioning module |
CN113014334B (en) * | 2020-11-03 | 2022-08-12 | 利尔达科技集团股份有限公司 | Test system and test method of UWB positioning module |
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